• 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 consists of a system (21) for the continuous treatment of products, such as waste, by thermal input comprising: - a treatment chamber (210) for products, - a device (211) for thermal input by generators microwaves (211a), arranged with respect to said enclosure (210) so that the microwaves are contained in said enclosure (210), - a transport device (212) moving floor, resting on the bottom of the enclosure (210), adapted to transport a layer of products (D) from their entry into the chamber until they exit the enclosure, - a device (2135) for confining the products and vapors that emerge, internal to said enclosure.
    公开号:FR3024039A1
    申请号:FR1457081
    申请日:2014-07-22
    公开日:2016-01-29
    发明作者:Gauthier Hurlin；Sebastien Corneillie
    申请人:Amb SA；
    IPC主号:
    专利说明:

    [0001] [001] The invention relates to a system for continuously processing products by thermal input. Such a system finds a particular, non-limiting application in a facility for hygienization or decontamination of waste. [002] Hygiene is understood to mean reducing to acceptable levels the concentrations of pathogens in the waste. For this purpose, the waste is maintained in a temperature range greater than or equal to 70 ° C, which is typically between 70 ° C and 75 ° C. [003] By decontaminating is meant the destruction of pathogens in infectious waste such as medical waste. For this purpose, the waste is maintained in a temperature range greater than or equal to 100 ° C, typically between 100 ° C and 110 ° C. [004] It is known from the state of the art microwave waste treatment facilities, operating continuously, allowing their decontamination. Conventionally this type of continuous treatment plant comprises a first system for shredding waste, in the form of aggregates sufficiently small in terms of legislation, a second heating system rapidly raising the aggregates to a temperature of about 100 ° C for decontamination, and a third system now, for a sufficient time, the aggregates at a temperature close to but higher than that they reached in the second system, so as to ensure the decontamination of waste. [005] Document FR 2,646,083 thus describes a medical waste decontamination installation corresponding to the general description set out in the preceding paragraph, in which the second heating system implements an increase in the temperature of the waste by microwaves in the enclosure of a conduit receiving the screw of a conveyor device, the carrier device ensuring the movement of the waste between the first system and the third system. [6] In order to ensure the penetration of microwaves into the carrier device, it is necessary to limit the diameter of the conduit forming the enclosure of the device to about ten centimeters. This small diameter causes frequent blockages of the screw 5 in the conduit, which leads to operating difficulties and productivity losses. [7] The present applicant has sought to solve this problem by proposing an installation (document FR 2.982.510) implementing a microwave treatment 10 in an enclosure surrounding a vibrating conveyor. Such a solution has the disadvantage of requiring, in order to confine the vapors and the microwaves in the enclosure, the presence of a dynamic seal between a fixed upper part and a movable lower part forming the treatment enclosure. In practice, the implementation of such a dynamic seal is complex and expensive. [8] The object of the present invention is to overcome the aforementioned drawbacks by proposing a microwave treatment system, of simplified design and insensitive to the blocking phenomenon. [009] Other objectives and advantages will become apparent from the following description which is given for information only and which is not intended to limit it. [10] Such a system will find a particular, non-limiting application as the second system and / or third system of a product processing facility, the general architecture of which is described in paragraph [004]. [11] Also the invention relates first of all to a system for the continuous treatment of products by thermal input comprising: - a product treatment chamber, - a thermal input device by microwave generators, arranged by relative to said enclosure so that the microwaves are contained in said enclosure, 3024039 3 - a moving floor transport device, resting on the bottom of the enclosure, adapted to ensure the transport of a layer of products from their entry into the chamber until they exit the enclosure, - a device for confining the products and vapors that emerge therefrom, internal to said enclosure. [012] According to optional features of the invention, taken alone or in combination: - said product containment device and vapors that emerges comprises a containment plate, internal to said enclosure, intended to press the product layer, mobile with respect to a fixed part of the installation; the confinement plate is disposed in said chamber between, on the one hand, the microwave generators of said microwave heat supply device and, on the other hand, the product layer, said confinement plate being in a chamber; microwave permeable material such as polytetrafluoroethylene; - said containment plate is suspended from a fixed part of the installation by a system of rockers; the moving floor transport device is formed of a set of slats consisting of at least three subassemblies, said slats being arranged in parallel, as well as a system for sequentially controlling the slats in a reciprocating motion, and if necessary the system comprises a heating device of the assembly of laths so as to constitute a movable floor heating. [13] According to another alternative, the device for confining the products and the vapors which emanate therefrom comprises a conveyor belt, internal to said enclosure, said conveyor belt comprising a flexible band, guided by rotary guide cylinders, said flexible strip being intended to press the layer of products. [14] Preferably, the conveyor belt is disposed in said chamber between, on the one hand, the microwave generators of said microwave heat supply device and, on the other hand, the product layer, said strip flexible being intended for 3024039 4 to be traversed by microwaves and being made of a material permeable to microwaves such as silicone. [015] The invention also relates to a continuous product treatment plant 5 comprising, in series: a first shredding system or even a mixture of products, a second system for continuously processing products by heat input for the temperature rise of the products, - a third system for maintaining the temperature of the products. [16] According to the invention, the second system or the third system consists essentially of a continuous product processing system according to the invention. Optionally, the second system and the third system are each constituted essentially by a system according to the invention. [17] The invention will be better understood on reading the following description accompanied by the appended drawings in which: FIG. 1 is a view of an installation according to the invention according to a first embodiment, comprising a system according to the invention as the second system for raising the temperature products, the third system for maintaining the temperature products comprising a worm-type transport device. FIG. 2 is a view of an installation according to the invention, according to a second embodiment, comprising a system according to the invention as a second system for raising the products in temperature and another system according to the invention. as a third system for maintaining the products in temperature, - Figure 3 is a view of an installation according to the invention, according to a third embodiment, comprising a system according to the invention as a second system for raising the temperature products. and a third system for maintaining the products in temperature, FIG. 4 is a view, in a vertical section, of a system according to the invention, FIGS. 5a to 5e illustrate the various steps of a advancement cycle of the moving floor transport device, - Figure 6 is a detail view, of section, of three consecutive slats of a moving floor that can be implemented according to the invent FIG. 7 is a view of an installation according to FIG. 3 in which the suspended containment plate type containment device is replaced by a treadmill type containment device. [018] Also the invention relates to a system for continuously treating products by thermal input comprising: - a treatment chamber 210; 220; 320 of products, - a device 211; 221; 321 thermal input by microwave generators 211a; 221a; 321a, arranged with respect to said enclosure 210; 220; 320 so that the microwaves are contained in said enclosure, - a transport device 212; 222; 322 moving floor, resting on the bottom of the enclosure 210; 220; 320, adapted to ensure the transport of a product layer D from their entry into the enclosure and until they exit the enclosure, - a device 213; 223; 323 of product containment and vapors that emerge, internal to said enclosure. [19] The treatment chamber is defined between a bottom 210a; 220a; 320a, a cover 210b; 220b; 320b, and side walls connecting the bottom 210a; 220a; 320a to the lid 210b; 220b; 320b. The bottom wall, the lid wall and the side walls are made of a microwave impermeable material to contain the microwaves within the enclosure. [20] Preferably, the bottom 210a; 220a; 320a, the lid 210b; 220b; 320b and the side walls form a tunnel, in particular of rectangular section, extending from the entrance of the products in the chamber until they exit the enclosure. [021] The device 211; 221; 321 heat input comprises at least one microwave generator 211a; 221a; 321a. These microwave generators are located outside enclosure 210; 220; 320, and preferably above the lid 210b; 220b; 320b. For this purpose, the wall of the lid has, in the right generators, local areas permeable to microwaves. [022] The transport device 212; 222; 322 moving floor, resting on the bottom of the enclosure 210; 220; 320, is able to ensure the transport of a layer of products D, from their entry into the enclosure to their output. Such a transport device, known as such of the state of the art, conventionally comprises a set of slats arranged in parallel and forming said floor, and a system 10 for controlling slats in a reciprocating movement [023] The slat assembly of such a floor is typically formed of at least three subsets of slats, respectively labeled 212a; 212b; 212c and each comprising at least N laths, N being a positive integer. The N slats of each subassembly can be moved together independently of the N slats of the other subsets. Each slat of a subset is separated from the neighbor of the same subset by at least two slats each belonging to one of the other subsets. [024] The advancement cycle implemented by the control system for a moving floor comprising, by way of example, three sub-sets of slats, as well as its various steps are illustrated in Figures 5a to 5e. [025] In Figure 5a, the slats of the three subassemblies 212a, 212b and 212c are aligned. The control system actuates, in a first step, the slats of the subassembly 212a, at the recoil, to the position shown in FIG. 51), while the slats of the other two subassemblies 212b and 212c remain fixed. In this action, the materials resting on the floor do not move, the slats of the subassembly 212a sliding under the products. [026] The control system actuates, in a second step, the slats of the subassembly 212b at the recoil up to the position illustrated in FIG. 5c while the slats of the two other subsets 212a and 212c remain fixed. In this action, the products resting on the floor do not move, the slats of the subassembly 212b sliding under the products. [027] The control system actuates, in a third step, the slats of the subset 212c at the recoil up to the position shown in Figure 5d while the slats of the two other subsets 212a and 212b remain fixed. In this action, again, the products resting on the floor do not move, the slats of the subassembly 212c sliding under the products. [28] Finally, in a fourth step, all of the slats of the various sub-assemblies 212a, 212b, 212c are actuated simultaneously in advance, causing the products to advance one step. The cycle thus described in four steps is repeated to advance the waste step by step. [29] The adjacent movable battens, belonging to each subset of slats 212a, 212b, 212c of the moving floor, may not be joined as shown in FIG. 6, but instead be spaced apart from each other. another according to a configuration known as such of the state of the art of moving floors. In particular, guide elements 212d, fixed, lower, U-section, can ensure the translation of the slats belonging to each subassembly 212a, 212b, 212c themselves inverted U-section and positioned on horseback on the ends of two guide elements 212d juxtaposed, via a joint 212e. Such a moving floor configuration also provides a good seal to the liquid. [30] The device 213; 223; 323 of product containment and vapors that emerges is internal to said enclosure 210; 220; 320 and is permeable to microwaves. It is disposed between the product layer D and the microwave generators 211a; 221a; 321a. The function of this device is to locally contain the products and vapors 30 which emerge, in a reduced volume of said enclosure. [31] Such a device 213; 223; 323 confinement advantageously improves the thermal performance in the treatment chamber, limiting the heat loss between the product layer and the atmosphere in the chamber. Such a containment device makes it possible to raise the products to a higher temperature or at the very least to increase the energy efficiency of the system. [32] According to one embodiment, the containment device comprises a containment plate 213a; 323a, internal to said enclosure 210; 320 which is intended to rest on the top of the product layer D. This confinement plate is impervious to vapors, but is made of a material permeable to microwaves (ie polytetrafluoroethylene: PTFE), so as to be traversed by these latest. This containment plate 213a; 323a is preferably substantially parallel to the moving floor and is preferably movable relative to a fixed part of the installation via suspension means such as rockers 213b; 323b. [33] As seen in FIG. 5, this plate 213a; 323a extends in width from one side wall to the other side wall of the enclosure, and in length, near the entrance of the products in the enclosure and to near their exit from the enclosure . The product layer D, as well as the vapors which emerge therefrom, are then contained in the confinement device between the floor and the underside of the containment plate 213a; 323a and the side wall sections extending between the containment plate and the floor. [34] The means for suspending the containment plate 213a; 323a to said fixed portion may be pendulums 213b; 323b or equivalent mechanisms, passive, allowing the containment plate to rest under its own weight on the layer of products D, while allowing its lifting during the advancement of products, under the action of the moving floor. By pressing the top of the product layer preferably under the action of its own weight, the containment plate advantageously allows to maintain a uniform thickness of the product layer. [35] Alternatively, and according to an embodiment illustrated in FIG. 7, the product containment device 223 and the vapors which emerge therefrom comprise a treadmill, internal to said enclosure 220, said treadmill comprising a flexible band 223a, guided by guide cylinders 223b, rotating, said flexible band 223a being intended to press on the top of the product layer D. The conveyor belt is disposed in said enclosure 220 between on the one hand the generators microwaves 221a of said thermal input device 221 by microwave generators and secondly the product layer D, said flexible strip 223a being intended to be traversed by the microwaves and being made of a permeable material microwaves such as silicone. [36] The function of this conveyor belt is to confine the products and vapors in a defined volume between the conveyor belt, and the sections of the side walls between the carpet and the moving floor. The rotationally free guiding rollers 223b enable the flexible web 223a to advance, under the action of the product layer D, at each advance caused by the moving floor and so as not to impede the progression of the products. [37] According to one embodiment, the system may allow additional thermal input by the moving floor which can be heated directly by any known means, especially resistive [38] The invention also relates to a plant 1; 2; 3; 4 of continuous waste treatment comprising, in series: 25 - a first shredding system 10 or even a mixture of products, and - a second system 21; 22 of continuous treatment of products by thermal contribution, for the temperature rise of the waste, - a third system 31; 32; 33 for maintaining the temperature of the products. [039] According to the invention, the second or third system essentially consists of a continuous product processing system according to the invention. Optionally the second system and the third system are each constituted by such a system according to the invention. [40] The first system 10 may comprise a hopper, followed by means for shredding the products into aggregates, or even means for mixing the aggregates. The second system 21; 22 consists essentially of a system according to the invention. [41] the entrance of the treatment enclosure 210; 220 of the second system 21; 22 may be fed by one or more screw conveyors, so as to form a layer of products, in the enclosure 210; 220, in particular between the confinement plate 213a and the moving floor transport device 212, as illustrated in FIGS. 1 to 3, or alternatively between the flexible belt 223a of the conveyor belt and the moving floor transport device 222 such that Figure 42. [42] The moving floor control system allows the product layer to move from their entry into the enclosure until they exit the enclosure from which the products are routed. preferably by gravity, to the entrance of the third system 31; 32; 33 intended to maintain the temperature of the waste. [43] In the treatment chamber 210; 220 of the second system, the temperature of the products is rapidly raised by the microwaves, or even by an additional thermal input from the moving floor. In the case of a treatment for decontaminating waste at risk of infection, the second system makes it possible to raise the temperature of the waste above 100 ° C., of the order of 100 ° C. for example between 100 ° C. and 110 ° C. ° C. In the case of hygienization of waste, the second system makes it possible to raise the waste temperature above 70 ° C, for example between 70 ° C and 75 ° C. [044] The third system 31; 32; 33 for maintaining the temperature of the products allows maintenance at a temperature close to but higher than that of the products leaving the second system, for example more than 5 ° C. 3024039 11 [45] This third system can have different forms. According to a first embodiment, particularly illustrated in FIG. 1, this third system may comprise a heated tank 311, inside which a worm 312 rotates, which moves the products in this third system 31. The worm 312 is driven by the motor 313. [46] According to a second embodiment, particularly illustrated in FIG. 2, the third system may consist essentially of a system according to the invention, comprising: treatment chamber 320, formed between a cover 320b, a bottom 320a and side walls, a device 321 for thermal input by microwave generators 321a, the generators being arranged outside the enclosure, above the lid 320b so that the microwaves are contained in said enclosure, - a transport device 322 moving floor, resting on the bottom of the enclosure 320, adapted to ensure the transport of a layer of products D from their entry into the chamber until they exit the enclosure, - a product confinement device 323 and vapors which emerge therefrom, internal to said enclosure, comprising a containment plate 323a, mobile, supported on the products and suspended relative to a fixed part of the installation, by a system of rockers such as 323b. [047] According to a third embodiment, particularly illustrated in FIG. 3 or again in FIG. 7, the third system 33 comprises an enclosure 330 formed between a cover 330b, a bottom 330a, and side walls forming a tunnel, and a moving floor 332 resting on the bottom 330a. In this enclosure, the products are maintained in temperature by heating the walls, for example by means of a resistive heating. Of course, other embodiments could have been envisaged by those skilled in the art without it is also beyond the scope of the invention defined by the claims below.
    [0002] 3024039 13 NOMENCLATURE - 1, 2, 3, 4. Continuous product processing plant, - 10. First shredding or even product mixing system, - 21, 22. Second continuous heat treatment system 5 for raising the temperature of the products, - 31, 32, 33. Third system for maintaining the temperature of the products, - 210, 220, 320, 330 Product treatment chamber, - 211, 221, 321. Device for thermal input by microwave generators, 10 - 212, 222, 322, 332. Moving floor transport device, - 213, 223, 323. Product and vapor containment device, internal to the enclosure. - 311. Heated vessel, - 312. Auger, 15 - 313. Engine, - D. Waste layer - 210a, 220a, 320a, 330a. Background, - 210b, 220b, 320b, 330b. Cover, 20-211a, 221a, 321a. Microwave generators, - 212a. First subset of slats, - 212b. Second sub-assembly of slats, - 212c. Third subset of slats, - 212d. Guide elements for laths, U-section, 25 - 212e. Seals, - 213a, 323a. Containment plate, - 213b, 323b. Balance system, - 223a. Flexible belt of the conveyor belt, - 223b. Guiding rollers of the treadmill. 30
    权利要求:
    Claims (12)
    [0001]
    REVENDICATIONS1. System (21; 22; 32) for continuous treatment of products, such as waste, by thermal input comprising: - a treatment chamber (210; 220; 320) of products; - a device (211; 212; 321) microwave generator (211a; 221a; 321a) thermal delivery device arranged with respect to said enclosure (210; 220; 320) so that the microwaves are contained in said enclosure (210; 220; 320), - a transport device (212; 222; 322) by moving floor, resting on the bottom of the enclosure (210; 220; 320), adapted to transport a layer of products (D) from their entry into the chamber until they exit the enclosure, - a device (213; 223; 323) for confining the products and vapors that emerge therefrom, internal to said enclosure.
    [0002]
    2. System according to claim 1, wherein said device (213; 323) for confining the products and vapors which emerges therefrom comprises a confinement plate (213a; 323a), internal to said enclosure (210; 320), intended to press the product layer (D), movable relative to a fixed part of the system.
    [0003]
    3. System according to claim 2, wherein the confinement plate (213a; 323a) is disposed in said enclosure (210; 320) between on the one hand the microwave generators (211a; 321a) of said device (211; 321) and secondly the product layer (D), said confinement plate (213a; 323a) being intended to be traversed by the microwaves and being made of a material permeable to microwaves such as polytetrafluoroethylene.
    [0004]
    4. System according to claim 2 or 3, wherein said containment plate (213a; 323a) is suspended from the fixed part of the installation by a system of rockers (213b; 323b).
    [0005]
    5. The system of claim 1, wherein the device (223) for confining the products and vapors that emerges comprises a treadmill, internal to said enclosure (220), said treadmill comprising a flexible band (223a), guided by rotating guide rollers (223b), said flexible band (223a) being for pressing on the product layer (D). 5
    [0006]
    6. System according to claim 5, wherein the conveyor belt is disposed in said enclosure (220) between on the one hand the microwave generators (221a) of said device (221) thermal input by microwave generators and on the other hand the product layer (D), said flexible strip (223a) being intended to be traversed by the microwaves and being made of a material permeable to microwaves such as silicone.
    [0007]
    7. System according to one of claims 1 to 6, wherein the transport device (212; 222; 322) moving floor is formed of a set of slats consisting of at least three subassemblies (212a, 212b). 212c), said slats being arranged in parallel, as well as a sequential control system of the slats reciprocatingly
    [0008]
    8. System according to claim 7, comprising a heating device of the set of slats so as to constitute a movable floor heating. 20
    [0009]
    9. Installation (1; 2; 3; 4) of continuous treatment of products comprising, in series: - a first system (10) of shredding or mixing of products, - a second system (21; continuous product by thermal input for the temperature rise of the products, - a third system (31; 32; 33) for maintaining the temperature of the products, and wherein said second system consists essentially of a system according to the one of claims 1 to 8.
    [0010]
    10. Installation (1; 2; 3; 4) of continuous treatment of products comprising, in series: a first system (10) of shredding or mixing of products; a second system (21; 22) of treatment continuous products by thermal input for the temperature rise of the products, 3024039 16 - a third system (32) for maintaining the temperature of the products and wherein said third system consists essentially of a system according to one of the claims 1 to 8 5
    [0011]
    11. Use of a system according to one of claims 1 to 8 or an installation according to claim 9 or 10 for the hygienization of waste.
    [0012]
    12. Use of a system according to one of claims 1 to 8 or an installation according to claim 9 or 10 for the decontamination of infectious waste materials such as medical waste.
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    法律状态:
    2015-06-30| PLFP| Fee payment|Year of fee payment: 2 |
    2016-01-29| PLSC| Publication of the preliminary search report|Effective date: 20160129 |
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    优先权:
    申请号 | 申请日 | 专利标题
    FR1457081|2014-07-22|
    FR1457081A|FR3024039B1|2014-07-22|2014-07-22|SYSTEM FOR CONTINUOUS PROCESSING OF THERMALLY PRODUCED PRODUCTS|FR1457081A| FR3024039B1|2014-07-22|2014-07-22|SYSTEM FOR CONTINUOUS PROCESSING OF THERMALLY PRODUCED PRODUCTS|
    KR1020177004768A| KR20170039199A|2014-07-22|2015-07-16|System for the continuous treatment of products by thermal input|
    MYPI2017000088A| MY181581A|2014-07-22|2015-07-16|System for the continuous treatment of products by thermal input|
    CN201580042886.9A| CN107073530B|2014-07-22|2015-07-16|System for continuously treating products by heat input|
    EP15739560.9A| EP3171900B1|2014-07-22|2015-07-16|System for the continuous treatment of products by thermal input|
    ES15739560T| ES2803078T3|2014-07-22|2015-07-16|System of continuous treatment of products by thermal contribution|
    PCT/EP2015/066240| WO2016012334A1|2014-07-22|2015-07-16|System for the continuous treatment of products by thermal input|
    AU2015294082A| AU2015294082B2|2014-07-22|2015-07-16|System for the continuous treatment of products by thermal input|
    MX2017000982A| MX2017000982A|2014-07-22|2015-07-16|System for the continuous treatment of products by thermal input.|
    CA2954947A| CA2954947C|2014-07-22|2015-07-16|System for the continuous treatment of products by thermal input|
    RU2017105442A| RU2690525C2|2014-07-22|2015-07-16|System for continuous thermal treatment of substances|
    JP2017524098A| JP6602859B2|2014-07-22|2015-07-16|System for continuous processing of products with heat input|
    BR112017001176-0A| BR112017001176B1|2014-07-22|2015-07-16|system of continuous treatment of residues of products adhered by thermal supply for the sanitization of residues or the decontamination of residues with infectious risk, installation of continuous treatment of residues, use of a system and an installation|
    US15/327,574| US9943892B2|2014-07-22|2015-07-16|System for the continuous treatment of products by thermal input|
    IL250156A| IL250156A|2014-07-22|2017-01-17|System for the continuous treatment of products by thermal input|
    CONC2017/0000415A| CO2017000415A2|2014-07-22|2017-01-19|System of continuous treatment of products by thermal contribution|
    CL2017000155A| CL2017000155A1|2014-07-22|2017-01-20|Continuous product treatment system by thermal input|
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