• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a device with an optimized floor plan for avoiding dust in a dust-free room comprising a non-dust-free environment, at least one airlock for persons, each airlock meeting the requirements for a class of dust-free room according to the EU GGMP directive, at least one dust-free room, where each dust-free room meets the requirements for a dust-free room class according to the EU GGMP directive, an airlock with an entrance to a dust-free room and the dust-free room meets the same requirements for a dust-free room class according to comply with the EU GGMP directive.
    公开号:BE1027783B1
    申请号:E20195849
    申请日:2019-11-29
    公开日:2021-06-22
    发明作者:Peter Scheyltjens
    申请人:Advipro Bvba；
    IPC主号:
    专利说明:

    INSTALLATION WITH AN OPTIMIZED GROUND PLAN FOR THE AVOIDING DUST IN A DUST-FREE SPACE
    TECHNICAL FIELD The invention relates to a device with an optimized floor plan for avoiding dust in a dust-free space.
    STATE OF THE ART Dust-free areas, such as dust-free laboratories and dust-free production units, are available in different variants and are adapted to customer requirements and individually designed.
    The associated systems can be assembled separately. Dust-free laboratories and dust-free production units are mainly used in the fields of pharmaceutical industry, medical technology, biotechnology, semiconductor industry, automotive industry and microtechnology.
    In dust-free laboratories and dust-free production units, controlled purity is the highest priority. Legal requirements determine the cleanliness of dust-free areas. These requirements are described in, for example, the ISO 14644-1 standard and the EU GGMP guideline, where the ISO standard describes the maximum allowable number of particles. The EU GGMP guideline regulates the permitted number of bacteria. To ensure sufficient purity, conditions in a dust-free environment must be constantly controlled.
    Controlling the conditions in a dust-free environment involves an extensive technical installation that consumes a lot of energy. Minor negligence when entering the dust-free area can lead to deviations from the legal requirements, resulting in loss of production, for example. The moment at which people enter the dust-free area or when goods are transported in and out of the dust-free area is critical because at that time dust from a non-dust-free environment can be introduced into the dust-free area, temporarily exceeding the requirements in the standard or guideline. be exceeded.
    The present invention aims to find at least a solution to some of the above-mentioned problems.
    SUMMARY OF THE INVENTION To this end, the invention provides an apparatus according to claim 1. The invention is based on an optimized ground plan for the apparatus. The device comprises a suitable sequence of airlocks, dust-free rooms and transfer boxes. An essential advantage of the invention is that the succession of airlocks, dust-free rooms and transfer cabinets greatly reduces the possible contamination by particles and/or bacteria, so that the risk that a dust-free room does not meet the legal requirements is substantially reduced. Because an airlock with an entrance to a dust-free room and the dust-free room meet the same requirements for a class of dust-free room according to the EU GGMP directive, when a person has access to the dust-free room, air can only be air between the airlock and the dust-free room exchanged that meet the same requirements with regard to contamination by particles and/or bacteria, which is advantageous in order to greatly reduce the risk of exceeding the legal requirements in the dust-free area. Loss of production can thus be avoided. A specific preferred form concerns a device according to claim 2. Because a dust-free room is only accessible to persons via at least two airlocks from another dust-free room or from a non-dust-free environment, most particles and /or bacteria are introduced into a first airlock. Only then can a person pass to the next airlock, and finally enter the dust-free area. The amount of particles and/or bacteria migrating to the dust-free area and the risk of exceeding the legal requirements for the dust-free area is greatly reduced. An additional advantage is that fewer particles and/or bacteria are introduced into the actual dust-free rooms, so that an air treatment system in a dust-free room can be set more energy-efficiently and filter installations in a dust-free room require less maintenance.
    The invention makes it possible to obtain a dust-free space with a reduced introduction of dust and/or bacteria that meets the legal requirements. The invention also makes it possible to make an air treatment system for a dust-free room more energy-efficient and to reduce the required maintenance of a filter installation for a dust-free room. Preferred forms of the device are set forth in claims 2 to 12.
    DESCRIPTION OF THE FIGURES Figure 1 shows a ground plan of an apparatus according to an embodiment of the present invention.
    DETAILED DESCRIPTION Unless otherwise defined, all terms used in the description of the invention, including technical and scientific terms, have the meaning as generally understood by those skilled in the art of the invention. For a better assessment of the description of the invention, the following terms are explicitly explained. “A”, “the” and “the” refer to both the singular and the plural in this document unless the context clearly dictates otherwise. For example, “a segment” means one or more than one segment. Citing numerical intervals through the endpoints includes all integers, fractions and/or real numbers between the endpoints, including these endpoints. In the context of this document, particles refer to small objects floating in space. EU GGMP in this document refers to the European Union Guideline to Good Manufacturing Practice.
    In a first aspect, the invention relates to a device with an optimized floor plan for avoiding dust in a dust-free space.
    According to a preferred embodiment, the device comprises a non-dust-free environment, at least one airlock for persons, where each airlock meets the requirements for a class of dust-free room according to the EU GGMP directive, at least one dust-free room, where each dust-free room meets the requirements for a dust-free room class according to the EU GGMP directive, where an airlock with an entrance to a dust-free room and the dust-free room meet the same requirements for a dust-free room class according to the EU GGMP directive.
    The non-dust-free environment includes areas next to at least one airlock for people and at least one dust-free area where goods, materials and/or people gather before moving to a dust-free room or after moving out of a dust-free room. The non-dust-free environment also includes an air-conditioning system for controlling the conditions in the at least one dust-free room and the at least one airlock for persons. The advantage of placing the air handling system in the non-dust-free environment is that the operation of the air handling system components or the maintenance or manipulation of the air handling system cannot cause additional particles in the air within the dust-free room and the airlock for persons .
    A first airlock for persons belongs to a dust-free environment, comprising the at least one airlock for persons and the at least one dust-free space. The first airlock is not a dust-free room and is not suitable for conducting experiments or for producing goods or products that must take place in a dust-free room. The first airlock is a first transition from the non-dust-free environment to a dust-free space. For this purpose, the first airlock comprises a first closable door to the non-dust-free environment. For this purpose, the first airlock comprises a second closable door to a dust-free space. A bench has been placed across the entire space between the first door and the second door. The bench is an indication to persons that the first airlock is a first transition from a non-dust-free environment to a dust-free area and that certain procedures must be observed. The first airlock is at a higher pressure relative to the non-dust-free environment. The first airlock is at a lower pressure compared to a dust-free room. The first airlock has an air supply for supplying fresh air. The first airlock has an air outlet for discharging air contaminated with particles and/or bacteria. The air supply has a higher flow rate than the exhaust air. As a result, a higher pressure can be created in the first airlock compared to the non-dust-free environment.
    Opening the door to the non-dust-free environment creates an airflow from the first airlock to the non-dust-free environment, reducing the number of particles and/or bacteria moving from the non-dust-free environment to the first airlock.
    5 migrates, reduces.
    Opening the door to the dust-free area creates an airflow from the dust-free area to the first airlock, which reduces the number of particles and/or bacteria migrating from the first airlock to the dust-free area.
    The first airlock is suitable for initially keeping particles and/or bacteria that migrate with people from the non-dust-free environment to a dust-free space within the first airlock and then to discharge the particles and/or bacteria through the air outlet.
    According to one embodiment, one or more second airlocks are accessible from the first airlock.
    For this purpose, the first airlock comprises one or more second closable doors to second airlocks.
    A bench has been placed across the entire space between the first door and all second doors.
    The first airlock is at a lower pressure compared to all second airlocks.
    Because several second airlocks are accessible from a first airlock, the space required for a device with more than two airlocks can be limited and the cost of the device is lower.
    According to one embodiment, the device comprises a plurality of first airlocks.
    This is advantageous to flexibly build a device according to the invention around, for example, a central non-dust-free environment or to avoid a single first airlock being a bottleneck for access to and from a dust-free space from a non-dust-free environment. surroundings.
    The at least one dust-free room belongs to the dust-free environment.
    The dust-free area is suitable for conducting experiments or for the production of goods or products that must take place in a dust-free area according to the EU GGMP guideline.
    The dust-free room has an air supply for the supply of fresh air.
    The dust-free room has an air outlet for the removal of polluted air.
    The air supply has a higher flow rate than the exhaust air.
    As a result, a higher pressure can be created in the dust-free space compared to the first airlock.
    Opening the door to the first airlock creates an airflow from the dust-free space to the first airlock, which reduces the number of particles and/or bacteria migrating from the first airlock to the dust-free space.
    The EU GGMP guideline describes 4 classes of dust-free areas. For each class it has been determined what the maximum allowable particles in one m3 of air is. A class D dust-free room corresponds to a room with a maximum of 29 300 particles greater than or equal to 5 µm per m3, with a maximum of 832 000 particles greater than or equal to 1 µm per m3 and with a maximum of 3 520 000 particles greater than or equal at 0.5 µm per m3. A class C dust-free room corresponds to a room with a maximum of 2 930 particles greater than or equal to 5 µm per m3, with a maximum of 83 200 particles greater than or equal to 1 µm per m3 and with a maximum of 352 000 particles greater than or equal to 0.5 µm per m3. A class B and class A dust-free room corresponds to a room with a maximum of 832 particles greater than or equal to 1 µm per m3, with a maximum of 3 520 particles greater than or equal to 0.5 µm per m3, with a maximum of 10 200 particles greater than or equal to equal to 0.3 µm per m3, with a maximum of 23 700 particles greater than or equal to 0.2 µm per m3 and with a maximum of 100,000 particles greater than or equal to
    0.1 µm per m3. It is advantageous that an airlock with an entrance to a dust-free room and the dust-free room meet the same requirements for a class of dust-free room according to the EU GGMP directive, because just opening the access of the airlock to the dust-free room does not exceed the limit. maximum allowable particles in one m3 of air as both the airlock and the dust-free area meet the same requirements. Particles must migrate from a non-dust-free environment or from another dust-free area with people to the airlock and the dust-free area. According to one embodiment, a dust-free room is only accessible to persons via at least two airlocks from another dust-free room or from the non-dust-free environment.
    The first airlock does not include access to a dust-free area, but only to one or more second airlocks. The second airlock for people is part of the dust-free environment. The second airlock is not a dust-free room and is not suitable for conducting experiments or for producing goods or products that must take place in a dust-free room. The second airlock is a second transition from the non-dust-free environment to a dust-free space. The second airlock comprises a first closable door to a first airlock. The second airlock comprises a second closable door to a dust-free room. A bench has been placed across the entire space between the first door and the second door. The bench is an indication to persons that the second airlock is a second transition from a non-dust-free environment to a dust-free area and that certain procedures must be observed. The second airlock is at a higher pressure relative to the first airlock. The second airlock is at a lower pressure relative to the dust-free space. The second airlock has an air supply for supplying fresh air. The second airlock has an air outlet for discharging polluted air. The air supply has a higher flow rate than the exhaust air. As a result, a higher pressure can be created in the second airlock relative to the first airlock. Opening the door to the first airlock creates an airflow from the second airlock to the first airlock, which reduces the number of particles and/or bacteria migrating from the first airlock to the second airlock. Opening the door to the dust-free room creates an airflow from the dust-free room to the second airlock, which reduces the number of particles and/or bacteria that migrate from the second airlock to the dust-free room. The second airlock is suitable for keeping particles and/or bacteria that migrate with people from the non-dust-free environment to a dust-free space in the second instance within the second airlock and to subsequently discharge the particles and/or bacteria through the air outlet.
    According to one embodiment, one or more third airlocks are accessible from a second airlock. For this purpose, the second airlock comprises one or more third closable doors to third airlocks. A bench is placed across the entire space between the first door on the one hand and the second door and one or more third doors on the other. The second airlock is at a lower pressure compared to all third airlocks. Opening a door to a third airlock creates an airflow from the third airlock to the second airlock, reducing the number of particles and/or bacteria migrating from the second airlock to the third airlock.
    Because one or more third airlocks are accessible from a second airlock, a device according to the invention can be built in a flexible manner, in which a dust-free space is insulated in a corner that is only accessible from the non-dust-free environment via the second airlock and third airlock. accessible.
    According to one embodiment, the device comprises several second airlocks.
    This is advantageous to avoid a single second airlock being a bottleneck for access to and from a dust-free room or group of dust-free rooms from a non-dust-free environment.
    The dust-free room is only accessible to people from the non-dust-free environment via at least two airlocks.
    A person who wants to move from the non-dust-free environment to the dust-free area does so through at least a first and a second airlock.
    This is advantageous because in the case of negligence but also with correctly followed procedures, most particles and/or bacteria will be introduced into a first airlock.
    These particles and/or bacteria will be predominantly kept within the first airlock and the particles and/or bacteria will then be discharged via the air outlet.
    A limited amount of the particles and/or bacteria can migrate from a first airlock to a second airlock.
    Again, the particles and/or bacteria will be predominantly kept within the second airlock and the particles and/or bacteria will then be discharged via the air outlet.
    The risk that sufficient particles and/or bacteria can migrate to a dust-free area so that the legal requirements for the dust-free area are no longer met is very limited, even in the event of negligence.
    Moreover, because fewer particles and/or bacteria are introduced into the actual dust-free rooms, it is possible to set up an air treatment system in a dust-free room more energy-efficiently and to maintain filter installations in a dust-free room less often.
    To reach a second dust-free room from a first dust-free room, this is also done via at least two airlocks.
    This provides similar benefits as when moving people from a non-dust-free environment to a dust-free area.
    This is because, for example, the first dust-free room meets the requirements for a dust-free room class according to the EUG GGMP directive, which are less strict than the requirements for a dust-free room class according to the EUG GGMP directive that the second dust-free room complies with. It is therefore possible that with persons sufficient particles and/or bacteria migrate from the first dust-free room to the second dust-free room so that the requirements for the class of dust-free room according to the EUG GGMP guideline of the second dust-free room are no longer met. Because the second dust-free room is only accessible from the first dust-free room via at least two airlocks, there is a risk that sufficient particles and/or bacteria can migrate from the first dust-free room to the second dust-free room so that the requirements for the class of dust-free area according to the EUG GGMP guideline of the second dust-free area is met, even in the case of negligence very severely limited. According to one embodiment, there is a route for persons from the non-dust-free environment to each airlock through a first airlock using one or more airlocks.
    This is advantageous because it is not necessary to provide two separate airlocks for every dust-free room. The first airlock is shared for all dust-free rooms, which reduces the space required and the cost of the installation. There is a route from the first airlock to each airlock that provides access to a dust-free area. This route passes through at least two airlocks. The route is linear or includes multiple branches with at least one airlock accessing multiple other airlocks. According to a further embodiment, starting from the non-dust-free environment, each subsequent airlock on the route for persons meets the same or stricter requirements of class of dust-free space according to the EU GGMP directive as a previous airlock. It is advantageous for each subsequent airlock on the route for persons to meet the same or stricter requirements of the dust-free room class according to the EU GGMP directive as a previous airlock, because in this way the airlocks that meet the stricter requirements of the dust-free room class according to the comply with the EU GGMP directive are furthest from the non-dust-free environment on the route. Preferably, these airlocks have access to dust-free rooms that also meet the stricter requirements of the dust-free room class according to the EU GGMP directive. This greatly reduces the risk of exceeding the legal requirements. In this way it is also possible to go from the least strict requirements of the dust-free room class according to the EU GGMP directive to the strictest requirements of the dust-free room class according to the EU GGMP directive in a number of steps, whereby fewer particles and/or bacteria are introduced into each subsequent airlock, so that an air treatment system for the airlocks and dust-free rooms can be set up in a more energy-friendly way and so that the maintenance of a filter system for the airlocks and dust-free rooms has to be planned less often.
    According to a further embodiment, the pressure, starting from the non-dust-free environment, is higher in each subsequent airlock on the passenger route than in a previous airlock. Because the pressure in a next airlock is higher than in the previous airlock, when the access between the next airlock and the previous airlock is opened, an airflow from the next airlock to the previous airlock will arise. As a result, fewer particles and/or bacteria migrate from the previous airlock to the next airlock. This is especially advantageous if each subsequent airlock meets the same or stricter requirements of dust-free room class according to the EU GGMP directive as a previous airlock.
    According to one embodiment, an airlock comprises at least two doors. For example, an airlock includes a door to a non-dust-free environment and a door to another airlock. For example, an airlock includes a door to another airlock and a dust-free area. For example, an airlock includes two doors to two other airlocks. An airlock can preferably not comprise two or more doors to two or more other dust-free rooms, so that a dust-free room is only accessible via at least two airlocks from another dust-free room. According to a further embodiment, an airlock comprises means that prevent more than one door from being opened. For example, the means may comprise mechanical or electronic locks and contacts. The contact is configured to detect if a door is open. If a first contact indicates that a first door is open, the remaining mechanical or electronic locks are locked so that no additional doors can be opened until the first contact indicates that the first door is closed.
    Because only one door can be opened, particles and/or bacteria that migrate with people to an airlock cannot immediately migrate to the next airlock or a dust-free room. The majority of the particles and/or bacteria are kept within the airlock and then discharged through the air outlet.
    According to one embodiment, the device comprises at least one transfer box for transferring goods between the non-dust-free environment and a dust-free space.
    The pass-through cabinet for goods is part of the dust-free environment. The pass-through cabinet is not a dust-free room and is not suitable for conducting experiments or for producing goods or products that must take place in a dust-free room. The pass-through cabinet is a transition for goods from the non-dust-free environment to a dust-free area and vice versa. The transfer box is placed in the dust-free room. The pass-through cabinet has at least one lockable door that can only be opened in the dust-free room. The transfer box has an air outlet for discharging polluted air. When opening the door of the transfer box, an airflow is created from the dust-free area to the non-dust-free environment, which reduces the number of particles and/or bacteria migrating from the non-dust-free environment to the dust-free area. The transfer box is suitable for limiting the number of particles and/or bacteria that migrate from a non-dust-free environment to a dust-free space and for discharging the particles and/or bacteria via the air outlet of the transfer box.
    According to one embodiment, the pass-through box comprises two doors.
    The pass-through cabinet has a first lockable door that can only be opened in a non-dust-free environment. The pass-through cabinet has a second lockable door that can only be opened in the dust-free room. The transfer box has an air outlet for discharging polluted air. Upon opening the first door of the transfer box, an airflow is created from the transfer box to the non-dust-free environment, which reduces the number of particles and/or bacteria migrating from the non-dust-free environment to the transfer box. When opening the second door of the transfer box to the dust-free space, an air flow is created from the dust-free space to the transfer box, which reduces the number of particles and/or bacteria migrating from the transfer box to the dust-free space. A pass-through cabinet comprising two doors is advantageous because goods cannot be moved from the non-dust-free environment to the dust-free area or vice versa in a single movement. Particles and/or bacteria that migrate with the goods are initially kept within the transfer box and discharged via the air outlet of the transfer box.
    According to a further embodiment, a pass-through box comprises means that prevent more than one door from being opened.
    For example, the means may comprise mechanical or electronic locks and contacts. The contact is configured to detect if a door of the relay box is open. If a first contact indicates that a first door is open, the remaining mechanical or electronic locks are locked so that no additional doors of the relay box can be opened until the first contact indicates that the first door is closed.
    Because only one door can be opened, particles and/or bacteria that migrate with goods to a transfer cabinet cannot immediately migrate to a dust-free area. The majority of the particles and/or bacteria are kept within the pass-through box and then discharged through the air outlet.
    According to one embodiment, the device comprises at least one transfer box for transferring goods between two dust-free spaces.
    The pass-through cabinet for goods is part of the dust-free environment. The pass-through cabinet is not a dust-free room and is not suitable for conducting experiments or for producing goods or products that must take place in a dust-free room. The transfer box is a transition for goods from a first dust-free space to a second dust-free space and vice versa. The transfer box is placed in a dust-free room. The transfer cabinet has at least one lockable door so that there is no continuous air flow between the two dust-free spaces that can entrain particles and/or bacteria. The transfer box has an air outlet for discharging polluted air. The transfer box is suitable for limiting the number of particles and/or bacteria that migrate from a non-dust-free environment to a dust-free space and for discharging the particles and/or bacteria via the air outlet of the transfer box.
    The transfer box preferably comprises two doors between two dust-free spaces. For example, a first dust-free room is at a lower pressure than a second dust-free room. The pass-through cabinet has a first lockable door that can only be opened in the second dust-free room. The pass-through cabinet has a second lockable door that can only be opened in the first dust-free room. Preferably, the first and second closable door cannot be opened simultaneously. Preferably, the pass-through box includes means for preventing more than one door from being opened. The transfer box has an air outlet for discharging polluted air. When the first door of the transfer box is opened, an air flow is created from the second dust-free space to the transfer box, which reduces the number of particles and/or bacteria migrating from the transfer box to the second dust-free space. When opening the second door of the transfer box to the first dust-free space, an air flow from the transfer box to the first dust-free space is created, which reduces the number of particles and/or bacteria migrating from the first dust-free space to the transfer box. The transfer box is suitable for initially holding particles and/or bacteria that migrate with goods from the first dust-free space to the second dust-free space within the transfer box and for subsequently discharging the particles and/or bacteria via the air discharge. According to a further embodiment, there is a route for goods from the non-dust-free environment to each dust-free space via a first dust-free space using one or more transfer boxes between dust-free spaces. This is advantageous because it is not necessary to provide a separate transfer box to the non-dust-free environment for every dust-free space. The pass-through box between a first dust-free space and the non-dust-free environment is shared for all dust-free spaces, so that the cost of the device is lower and there is more freedom in determining the floor plan of the device. There is a route from the first dust-free room to each dust-free room via one or more pass-through cabinets between dust-free rooms. The route is linear or includes several branches, whereby at least one dust-free room has access to several other dust-free rooms via pass-through boxes.
    According to a further embodiment, starting from the non-dust-free environment, each subsequent dust-free area on the route for goods meets the same or stricter requirements of the dust-free area class according to the EU GGMP directive as a previous dust-free area.
    It is advantageous for each subsequent dust-free area on the goods route to meet the same or stricter requirements of the dust-free area class according to the EU GGMP directive as a previous dust-free area, because in this way the dust-free areas that meet the stricter requirements of the class of dust-free area according to the EU GGMP guideline are furthest from the non-dust-free environment on the route. This greatly reduces the risk of exceeding the legal requirements. In this way it is also possible to go from the least strict requirements of the dust-free room class according to the EU GGMP directive to the strictest requirements of the dust-free room class according to the EU GGMP directive in a number of steps, whereby fewer particles and/or bacteria are introduced into each subsequent dust-free room via the pass-through cabinets, so that an air treatment system for dust-free rooms can be set up in a more energy-friendly manner and so that maintenance of a filter system for dust-free rooms has to be planned less often.
    According to a further embodiment, the pressure, starting from the non-dust-free environment, in each subsequent dust-free space on the goods route is higher than in a previous dust-free space.
    Because the pressure in a next dust-free room is higher than in the previous dust-free room, an air flow from the next dust-free room to the previous dust-free room will be created when a transfer box is opened between the next dust-free room and the previous dust-free room. As a result, fewer particles and/or bacteria migrate from the previous dust-free room to the next dust-free room. This is especially advantageous if each subsequent dust-free room meets the same or stricter requirements of the dust-free room class according to the EU GGMP directive as a previous dust-free room.
    The present invention will now be described in more detail with reference to a figure which is not limiting.
    FIGURE DESCRIPTION Figure 1 shows a ground plan of an apparatus according to an embodiment of the present invention.
    The device comprises a non-dust-free environment 1. An air treatment system is placed in the non-dust-free environment 1. In the non-dust-free environment, goods, materials and/or persons are collected before being moved to a dust-free area or after being moved from a dust-free area. A first airlock 2 can be entered from the non-dust-free environment 1 via a door 15. A dust-free environment starts from here. The first airlock 2 is at a higher pressure than the non-dust-free environment. The airlock 2 has a door 16 to a second airlock
    3. The airlock 2 is at a lower pressure than the second airlock 3. Between the door 15 and the door 16 is a bank 7 across the full width of the airlock 2. The second airlock 3 has a door 17 to a third airlock 4 and a door 19 to a first dust-free room 6. The second airlock 3 is at a lower pressure than the third airlock 4. The second airlock 3 is at a lower pressure than the first dust-free room 6. A bench 8 stands across the full width of the airlock 3 between the door 16 on the one hand and the doors 17 and 19 on the other. The third airlock 4 has a door 18 to a second dust-free space 5. Between the door 17 and the door 18 there is a bench 9 across the entire width of the airlock 4. The airlock 4 is at a lower pressure than the second dust-free room
    5. In the first dust-free space 6, between the non-dust-free environment 1 and the dust-free space 6 is a transfer box 13 for passing on goods. The first dust-free space 6 is at a higher pressure than the non-dust-free environment 1. In the first dust-free space 6, also between the dust-free space 6 and the second dust-free space 5 is a transfer box 14 for passing on goods. The first dust-free environment 6 is at a lower pressure than the second dust-free environment 5. The first airlock 2 meets the requirements for a class D dust-free room according to the EU GGMP guideline. The second airlock 3 and the first dust-free room 6 meet the requirements for a class C dust-free room according to the EU GGMP directive. The third airlock 4 and the second dust-free room 5 meet the requirements for a class B dust-free room according to the EU GGMP directive.
    There is a linear route for persons from the non-dust-free environment 1 to the third airlock 4 over the first airlock 2 and the second airlock 3.
    There is a linear route for persons from the non-dust-free environment 1 to the second dust-free space 5 over the first dust-free space 6 via the transfer boxes 13 and 16.
    权利要求:
    Claims (12)
    [1]
    A device with an optimized floor plan for avoiding dust in a dust-free area comprising - a non-dust-free environment; - at least one airlock for persons, each airlock meeting the requirements for a class of dust-free space according to the EU GGMP directive; - at least one dust-free room, where each dust-free room meets the requirements for a class of dust-free room according to the EU GGMP directive; characterized in that an airlock with an entrance to a dust-free room and the dust-free room meet the same requirements for a class of dust-free room according to the EU GGMP directive.
    [2]
    A device according to claim 1, characterized in that a dust-free room is accessible to persons only via at least two airlocks from another dust-free room or from the non-dust-free environment.
    [3]
    A device according to claim 1 or 2, characterized in that there is a route for persons from the non-dust-free environment to each airlock through a first airlock using one or more airlocks.
    [4]
    A device according to claim 3, characterized in that starting from the non-dust-free environment, each subsequent airlock on the route for persons meets the same or stricter requirements of class of dust-free space according to the EU GGMP directive as a previous airlock.
    [5]
    A device according to any one of the preceding claims 1-4, characterized in that an airlock comprises at least two doors.
    [6]
    A device according to claim 5, characterized in that an airlock comprises means preventing more than one door from being opened.
    [7]
    Device as claimed in any of the foregoing claims 1-6, characterized in that the device comprises at least one transfer box for transferring goods between the non-dust-free environment and a dust-free space.
    [8]
    8. Device as claimed in any of the foregoing claims 1-7, characterized in that a pass-through box comprises two doors.
    [9]
    A device according to claim 8, characterized in that a pass-through box comprises means that prevent more than one door from being opened.
    [10]
    A device according to any one of the preceding claims 1-9, characterized in that the device comprises at least one transfer box for passing goods between two dust-free spaces.
    [11]
    Apparatus according to claim 10, characterized in that there is a route for goods from the non-dust-free environment to each dust-free space via a first dust-free space by means of one or more transfer boxes between dust-free spaces.
    [12]
    Apparatus according to claim 11, characterized in that starting from the non-dust-free environment, each subsequent dust-free area on the goods route meets the same or stricter requirements of the dust-free area class according to the EU GGMP directive as a previous dust-free area.
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    同族专利:
    公开号 | 公开日
    BE1027783A1|2021-06-16|
    BE1027790B1|2021-06-23|
    NL2026879B1|2021-08-30|
    BE1027790A1|2021-06-16|
    NL2026880B1|2021-08-30|
    引用文献:
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    法律状态:
    2021-07-19| FG| Patent granted|Effective date: 20210622 |
    优先权:
    申请号 | 申请日 | 专利标题
    BE20195830A|BE1027790B1|2019-11-25|2019-11-25|DEVICE FOR MONITORING AND CONTROL OF A DUST-FREE SPACE|NL2026879A| NL2026879B1|2019-11-25|2020-11-12|FURNISHING WITH AN OPTIMIZED GROUND PLAN FOR DUST AVOIDANCE IN A DUST-FREE SPACE|
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