• 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:
    An in situ method of detoxifying a hazardous waste impoundment that contains randomly distributed hazardous waste without contaminating the ambient atmosphere which includes: moving a confined space defining shroud to a first station on the impoundement; forming a zone (A) of agitating particled waste below shroud (X); heating zone (A) to transform volatile toxic compounds into toxic vapors that flow upwardly into shroud (X) together with free toxic gases; withdrawing a toxic stream from shroud (X); removing toxic components from the toxic stream and recycling the resulting air back to zone (A); sensing the identity of the toxic components remaining in zone (A); discharging an oxidizing agent into zone (A) to substantially water insolubilize toxic metal salts and that tends to transform toxic organic compounds remaining in zone (A) to volatile toxic waste; discharging a dewatering agent into zone (A) to render the contents thereof substantially water impermeable; and repeating the method at a second adjacent station.
    公开号:SU1722214A3
    申请号:SU874202814
    申请日:1987-04-24
    公开日:1992-03-23
    发明作者:Манчак Фрэнк (Младший)
    申请人:Фрэнк Манчак - младший (US)；
    IPC主号:
    专利说明:

    The invention relates to the disposal of hazardous toxic wastes and can be used to disinfect the wastes at their disposal sites.
    Most of the known hazardous waste sites are old, and the definition of the type of toxic components and their location at the disposal site is often incomplete or non-existent.
    In addition, as a result of the aging of landfills, an unknown location of such solid objects as, for example, barrels, jerry cans and cisterns can become. In such landfills, toxic organic compounds can react with each other over time to form toxic gaseous compounds, and this causes very unpleasant odors as they are
    s
    under pressure, gas begins to be released from the landfill.
    Such toxic waste disposal sites are dangerous to human health, as their upper layers become dry and dusty under the influence of sunlight, as a result of which particles can be transported through the air due to the wind. Such airborne particles are especially dangerous if the landfill contains radioactive material and radon gas is released. In addition, toxic compounds can leach over landfill sites over time and can pollute groundwater levels. Such a danger to human health is created when hazardous toxic waste is dumped directly on the ground.
    Various means have been proposed to solve this problem, however, they are not satisfactory from the point of view of ensuring safety for human health, require excavation and delivery of hazardous waste, and in addition, some time is required to neutralize waste disposal sites by cultivating the earth using microorganisms.
    The impact of downward insulating walls around the periphery of a landfill site made of concrete or bentonite is known, but since concrete or bentonite is mixed with untreated soil, there is no certainty that voids do not form in the walls
    Excavation and haulage are unsatisfactory measures in the sense that it leads to mechanical movement at the landfill with subsequent release of dust and toxic gases into the surrounding atmosphere, as well as transferring toxic material from one site to another without waste treatment, as a result risk of leakage of toxic materials during transport. In addition, excavation may result in the release of toxic gases from the landfill site and the pollution of the atmosphere.
    There is a known method for the disposal of hazardous toxic waste that can be located on the ground or under the ground, which involves placing the required part of the waste in a confined space, permuting and shredding the waste and introducing a dehydrating agent into the stirred part to convert it into a solid permeable to water. ,
    however, the mixing is stopped before conversion.
    The method is carried out using a device that contains a cutting tool for mixing the desired part of the waste, a pump for feeding the treating current agents from the reservoir to the nozzles, injecting the treating agents into the desired part for its processing, a cap whose lower edge is in contact with the desired part and means for mixing the device from place to place.
    The purpose of the invention is to create a method for treating and disposing of hazardous toxic waste on site, randomly scattered throughout the geographical area and differing in both the content of toxic components in them and their concentration, as well as the depth at which they are located below the ground surface, this treatment does not pollute the surrounding atmosphere.
    The method for disposing of waste does not create a hazard when transporting toxic material on the highway and is especially effective in processing waste disposal sites containing radioactive material in order to reduce the release of radon.
    The method is flexible in use, allowing the entire waste disposal site to be disposed of, a barrier wall erected around it or a shirt running down and under the waste disposal site.
    The apparatus for carrying out the process can be moved and the disposal site for hazardous waste is disposed of by treating the waste on site in a continuous series of sites.
    A waste disposal device is used to verify and confirm the identity and quantity of toxic components randomly distributed at the hazardous waste disposal site at selected sites, and prior to actual disposal of the waste disposal site using the proposed waste treatment method.
    The device, during disposal of a hazardous waste disposal site at one of its sites, can determine the type and amount of toxic components in the next site that needs to be disposed of, as well as determine the identity and quantity of any toxic components left in the site that has already been treated.
    The method of on-site waste disposal is carried out as follows.
    At the disposal site, hazardous waste, including soil, is mixed by rotating the tool and moving it down through the waste burial sites to form a zone of turbulent mass. Steam is introduced in the form of pressure jets that are fed to the particles, reducing their size.
    The outgoing steam streams heat the zone and tend to force free toxic gases out of it, which pass upward into a limited space. The heat from the steam jets heats the zone to such an extent that toxic organic compounds that volatilize at the temperature of the steam used pass upward into the confined cavity in the form of toxic vapors.
    Air, steam, toxic vapors and toxic gases from a confined space are removed at a sufficiently rapid rate to maintain a vacuum and release air, steam, toxic gases and vapors as a toxic stream.
    The resulting air stream, free from toxic components, recycles back into the zone, trying to force free toxic gases out of it.
    The composition of the toxic components is determined.
    If the sensing device indicates that such compounds with an unpleasant odor are present, such as certain organic substances, hydrogen sulfide, sulfur dioxide, water soluble salts of toxic metals or toxic organic compounds that do not evaporate at the temperature of the steam used, then the oxidizing agent, For example, potassium permanganate is introduced into the zone.
    The oxidizing agent converts hydrogen sulfide and sulfur dioxide into elemental sulfur, hydrogen and oxygen and reacts with a large part of the water-soluble toxic metal salts to form practically water-insoluble compounds. The oxidizing agent tends to convert long chain hydrocarbons, which do not volatilize at the temperature of the steam used, into short chain hydrocarbons, which volatilize at the vapor temperature and pass upward into a limited space as toxic fumes.
    When the sensing agent indicates that the zone has been rendered harmless to a predetermined degree, a dehydrating agent is introduced. The material mixed with the dewatering agent hardens into a water-impermeable mass, but before it is granulated to form granules of a given shape that can be transported to the desired waste disposal site without pollution of the surrounding atmosphere or landscape if they are not properly spilled.
    You can heat the desired part of the waste, if it contains clay, using a plasma torch to convert it to a glassy mass.
    It is possible to use alkali as a dewatering agent for fixing the soil, and it is supplied to the zone in an amount sufficient not only to transform the zone into a mass not permeable to water, but also to raise the pH value of the water in the bulk waste material and soil to
    of the above transformation, to a level at which the water-soluble salts of toxic metals precipitate as water-insoluble compounds, and the unconverted water-soluble salts of toxic metals
    remain surrounded by a water-impermeable mass from which they are not leached in a toxic amount.
    A dehydrating agent is one that ion exchanges
    between the clay in the soil and the agent with the material in the zone, turned into a solid, dense water-insoluble mass.
    Stirring is stopped until such transformation is complete. Soluble in
    water salts of toxic metals that have not passed into practically water-insoluble compounds, long-chain hydrocarbons that do not volatilize at the temperature of the steam used, and radioactive compounds emitting radon remain surrounded by a mass impermeable to water, and they do not leach for an extended period of time. The water impermeable mass is sufficiently dense and little or no radon escapes from it, since radon migration proceeds too slowly through the mass, which turns into a solid radioactive element before it reaches the outer surface of the mass.
    Toxic gases and toxic fumes can be removed by cooling the toxic stream for condensation, at least
    as part of it and removing the rest by passing a toxic stream through activated carbon, heating the toxic stream and passing it through a catalyst containing a thermal oxidizer to convert toxic components into non-toxic compounds, or by directing a toxic stream through a plasma furnace to convert toxic components into non-toxic compounds.
    When on-site treatment of toxic waste after removal from the zone of toxic organic compounds that volatilize at the temperature of the steam used, microorganisms of the type that are already present at the waste disposal site or that are genetically derived for biological waste treatment are introduced into the zone.
    After some time, the microorganisms are cleaned in the area in which they were placed. After implantation of microorganisms in the zone, it is necessary to replenish their nutrient medium periodically.
    Due to the random distribution of hazardous wastes at their disposal site, it is recommended to identify toxic components in the zone at the next second position, when waste disposal works are already in progress at the first position. It is also recommended to check that the zone has been treated and that the required amount of toxic components has been removed from it.
    Figure 1 presents a schematic of the proposed device; figure 2 - the same, with a refrigerator.
    A device for the disposal of hazardous waste contains a cap 1 forming an organic cavity, and a cutting tool installed in this cap in the form of a vertically moving rotary cutter 2 with a mechanical drive.
    The pipe 3 passes from the upper inner part of the cap 1 to the inlet of the blower 4.
    Tubes 5 for supplying steam and liquid are connected to a turboprop 6 that goes to boiler 7. Engine 8 provides power to the device and releases the waste heat, which is preferably recovered by heat exchanger 9 and is used in boiler 7 to convert water into steam.
    A number of liquid reagent storage tanks 10 have discharge lines.
    11 passing from the inlet into the mixer
    12. The exhaust pipes 11 are equipped with distribution valves 13. A high-pressure pump 14 with a power drive has an inlet opening connected to a pipeline 15 having a distribution 16 and a shut-off 17 valves to be released from the mixer 12. The water supply tank 18 has a pipeline 19 extending from it to the pipeline 15. The pipeline 19 for water has a distribution 20 and shut-off 21 valves. The pump 14 has a pipe 22 extending from its outlet, which is connected to the steam supply lines 5,
    as well as with the pipeline 23. The flow of liquid through the pipeline 23 to the pipeline 24 and the nozzles 25 is controlled by a valve 26. The pipeline 22 is provided with a shut-off valve 27.
    The tank 28 for storing dry powder reagents is connected by pipe 29 to an inlet of a feeder 30 for discharging powder reagents from it through pipe 31 when compressed air is supplied to the feeder through pipe 32 passing to the convex hole of the air compressor 33. Pipe 31 connects to hoses 5 gam 34.
    Pipeline 3 extends from the top of the cap 1 to the inlet of blower 4 with a power drive, and the outlet of blower 4 is connected by a conduit 35 to the inlet of the device 36, which may be a plasma furnace or a thermal oxidizing device operating on catalysts.
    5Kolpak 1 mounted on the movable frame 37.
    A valve 38 is installed on the steam supply pipe 6. The pipe 6 is connected to the steam discharge nozzles 39.
    0 Analyzing device 40 determines the type and amount of toxic compounds present in the zone of ground material.
    Dry powdered reagents from
    5, the choanena container 28 may be supplied to zone A through the second nozzles 41.
    The device 36 is made in the form of a plasma furnace or converter for catalytic thermal conversion and has
    0 pipe 42. Connected to a normally closed pressure reducing valve 43, from which pipe 44 passes to a hollow tank 45 containing activated carbon. Outlet 46
    5 passes from the internal cavity of the container 45
    and communicates with the atmosphere. While creating
    overpressure in pipeline 42
    valve 43 opens, reducing pressure.
    The pipe 47 passes to the device
    0 48 to remove hydrogen chloride and chlorine, which can be made in the form of a tower filled with powdered iron or magnesium, or a tower in which the incoming stream of gases is flushed with water for
    5 removing hydrogen chloride and chlorine from it.
    Gases from device 48, which are free of hydrogen chloride, pass through conduit 49 to hoses 34 and then down through tubular drill rods 50 to be released back to zone A through second nozzles 41.
    Analyzing device 40 allows a sample of a toxic stream to be taken in to enter device 36, and after processing, the stream is discharged from device 48. Analyzing device 40 includes organic 51 and inorganic 52 analyzers and a recorder 53. Organic analyzer 51 has two inlets 54 and 55 and the inorganic analyzer 52 has two inlets 56 and 57. Pipe 58 is connected to the inlet of a combined device 59 from a pump and a refrigerator that cools the hot gases and releases cold gases into the pipe the wire 60, which is connected to the pipe 6. By closing the valves 61 and 62, cold gas samples are sent to an organic 51 and inorganic 52 analyzers, which determine that the gases entering from the device 48 are free of reactive components.
    Pipeline 63 is connected to pipe 35 and diverges into two pipes 64 and 65 connected to valves 66 and 67, which, when the inlets 54 and 55 connected to the water supply pipeline 63 are closed, allow the type of inorganic toxic components to be determined processing of toxic flow in the device 36. The analyzing device 40 also contains the device 68, which shows the pH value, the redox potential and the temperature of the processed material in the zone A inside the cap 1 through the pipes 69.
    Due to the control valve 70 in the pipe 31, the air leaving the device 48 to remove hydrogen chloride through the pipe 49 and 34 into zone A cannot pass to the feeder 30. The air flow to the refrigerating device 59 is controlled by means of the valve 71 in the pipe 58.
    In operation, the device is moved to the disposal site for hazardous waste, and the frame 37 is lowered, pressing the lower edge of the cap 1 to the upper surface of the waste disposal site. The incisors turn and move over, forming a vertically passing zone A of granulated material of hazardous waste that mixes with the ground, while the incisors continue to move and move in the longitudinal direction in the zone, keeping the powder material in a state of agitation. Water jets under pressure can be supplied to the mixed particles from nozzles 24 and 25, and compressed steam jets from nozzles 39. The jets of vapor are fed to the particles of hazardous waste, trying to reduce their size. Jets of water under
    high pressure form a turbulent mass in the upper part of zone A. The action of jets of steam and water under the action, as well as mixing of particles leads to the movement of any free toxic gas in the zone in the upward direction into the organic cavity inside the cap 1. The jets of steam heat zone A, and toxic the organic compounds that volatilize at the temperature of the vapor used are converted into toxic vapors, which also pass upward in zone A to the confined cavity of cap 1.
    Blower 4 runs continuously
    5 remove a toxic stream that includes air, steam, toxic gases and toxic vapors from the organic cavity, and at a sufficiently fast rate to maintain a vacuum in the confined cavity, thus eliminating the possibility of toxic vapors or gases escaping from cap 1 and, therefore, loading knowledge of the atmosphere. To achieve such a vacuum, it is necessary that the volume of the toxic stream removed from the organic cavity exceed the volume of flows recycled back to the limited cavity. For this, a tower cooler 72 is provided, which has an inlet 73 and an outlet
    0 74 channels. A valve 75 is installed in the pipe 49. A pipe 76 passes from the pipe 49 upwards from the valve 75 to the inlet channel 73, and into the pipe 77 connects the outlet channel 74 to the pipe 49 down
    5 from valve 75. Valve 78 is installed in line 76. When valve 75 is closed and valve 78 is opened, the tower cooler 72 condenses the steam in the flow through zone 49 to zone A.
    0 The recirculated flow has a smaller volume than the volume of the toxic flow removed from the cap 1, with the blower 4 as a result, a vacuum is maintained in the cap. The toxic stream under pressure is released from the blower 4 and in the device 36 it is released from the toxic components and then directed through the device 48, with hydrogen chloride or chlorine removed from it, after which the stream circulates back to
    0 zone A to displace remaining toxic gases and vapors up into the organic cavity of cap 1.
    Determination of the type and amount of toxic components in the Ive toxic zone
    5 flow is achieved using an analyzing device 40. When device 40 shows that toxic hydrocarbons are present in zone A, which do not volatilize at the temperature of the steam used, or compounds that form an unpleasant odor are present, such as hydrogen sulfide, sulfur dioxide, mercaptans chlorinated hydrocarbons, the pump 14 is then activated to supply the appropriate liquid oxidizing agent to zone A. It has been found that an aqueous solution of potassium permanganate is satisfactory for this purpose, since it not only eliminates undesirable odors, but also reacts with toxic long chain hydrocarbons that do not volatilize at the temperature of the steam used, to convert a large part of them into short chain hydrocarbons, which volatilize and pass upwards toxic fumes into the confined cavity of cap 1.
    If device 40 shows the presence of water soluble toxic metal salts in zone A, then a feeder 30 is activated to feed dry reagent down through tubular drill rods 50, pipes and second nozzles 41 into zone A. By the time such material is supplied, in most cases particles toxic waste and soil are already transformed into a fluid pasty mass due to their mixing, as well as to the action of steam and water. When powdered material, such as calcium oxide, is added in an amount sufficient to raise the pH of the material in zone A to 11, the soluble salts of most toxic metals are precipitated as practically water-insoluble compounds.
    After the analyzing device 40 indicates that zone A has been defused to a predetermined level, the feeder 30 is activated to supply a dehydrating agent to zone A, for example, a mixture of fly ash and Portland cement. This mixture ion exchanges with the clay present in Zone A, and the material in the zone turns into a solid, impermeable to water mass of considerable density. Prior to such a transformation, incisors 2 are removed from zone A. If radioactive material is present in zone A, little or no radon gas is released from the treated zone. The material in the treated zone is sufficiently dense, so before radon comes out of it, it will turn into solid radioactive material. This material, as well as toxic hydrocarbons, which are not removed from Zone A, and the water-soluble salts of toxic metals, unconverted practically into water-insoluble compounds, remain surrounded in the converted material, impermeable to water, in Zone A, and they are not leached out.
    After the disposal is completed at the first position, the device is moved to a successive row of second positions, where the described method is repeated.
    The cooling device 79 has a sufficiently low temperature, so that steam is condensed into water. Cooling units 80 and 81 have low enough temperatures to condense toxic organic vapors in a liquid. The vapor condensate and the condensed toxic organic liquids flow by gravity through the piping system 82 to the tank 83 for receiving residues. Drain pipe 84 passes to the bioreactor 85 and to the device 86 for catalytic thermal oxidation, and the flow to these devices is regulated by valves 87 and 88, Gases leaving the bioreactor 85 and the thermal oxidation device 86 are passed into the organic cavity of the bell 1. In the pipe 89 installed check valve 90,
    The stream exits device 91 for reheating through conduit 92, and it flows into device 93 containing activated carbon to absorb toxic gases. The effluent from device 93 passes through conduit 94, which, when the normally closed safety valve 95 is open, discharges the flow into the surrounding atmosphere. When valve 95 is in its normal closed position, steam flows through conduit 96 back to the inlet of air compressor 33. Compressed steam from compressor 33 passes through conduit 97 to heater inlet tube 98, and then heated steam under pressure passes from heater 98 through conduit 99 into pipe 49 for subsequent release into the confined cavity of cap 1 through nozzles 41. Heat is supplied to heater 98 from steam that passes through pipe 100 connected to pipe 6. Due to the described recycling of toxic the flow back into the organic cavity as a neutralized air flow toxic contaminants are not released into the surrounding atmosphere during decontamination zone A.
    The conduit 32 is also connected to the inlet of the feeder 30 for dry materials, by means of opening the valve 101 it is possible to actuate the feeder. The bypass pipeline 102 extends from conduit 92 from a point located upstream from valve 103 in the latter, to conduit 96, upstream from pinhole valve 104 in the latter, Pipeline 102 has a valve 105, which, when
    open, allows flow to pass from the device to re-heat 91 back into the confined cavity of cap 1 without passing through device 93.
    Piping 106 and 107, equipped with instruments, and pipelines 108c, using valves 109-111, allow identification of the type and amount of toxic components of the toxic stream after its initial cooling in the cooling device 79, and then it passes through the device 91 to reheat.
    Electrical signals are sent through conductors 112 to a recorder.
    Activated carbon, which is used, is transferred through a suitable conduit 113 to a thermal oxidation unit 86, in which it is heated to a sufficiently high temperature to restore it, and then the regenerated activated carbon is discharged to the appropriate container 114 through conduit 115, and the remainder is transferred through the pipeline 116 into the container 117. After completion of the neutralization in place of zone A in the first area, the device is moved to another area to repeat the operation.
    Vitrification of zone A can be used if it consists of sand or clay. Such silication is achieved through the use of plasma torches. After grinding zone A by means of incisors 2, the incisors move upwards, the material under them is melted by the plasma arc, and then the molten material is cooled to a vitrified, insoluble in water, solid mass. If hazardous waste in Zone A does not contain enough sand or clay to vitrify, then sand, clay or other vitrified material is added through square drill rods 50 through an air stream during the molding of hazardous waste to the particles.
    Prior to the implementation of the method, the disposal site for hazardous waste is subjected to radar scanning for the detection of tanks, canisters, barrels and other solid objects. The locations of these items are marked on the grid carriages for the hazardous waste landfill. Also, prior to the disposal of hazardous waste at the disposal site, exploratory wells are drilled to determine the toxic components present and the depth of their disposal so that the way the waste can be treated on site for processing certain toxic components.
    权利要求:
    Claims (20)
    [1]
    1. The method of disposal of hazardous toxic waste, which may be located on the ground or underground,
    including placing the required part of the waste in a confined space, mixing and entering into the mixed part of the waste a dehydrating agent for fixing and converting them into solid
    0 a mass that is not permeable to water, and the mixing is stopped before conversion, characterized in that, in order to increase efficiency, superheated water is injected into the stirred part of 5% vapor, a mixture consisting of air, steam, toxic vapors and toxic gases , is diverted from this confined space above the desired part of the waste at a rate sufficient to maintain
    0 negative pressure in this confined space, the toxic waste stream is freed from toxic components and steam and recycled to the required part, the composition of the toxic components in the required part is determined, an oxidizing agent is introduced into this required part in the presence of unpleasantly smelling organic substances in it or toxic metal salts to convert the unpleasant-smelling substance into an odorless substance and the main part of the water-soluble toxic metal salts are essentially soluble in water. compound, dehydrating agent administered to the desired portion after
    5, it is determined that the required part is neutralized to the required degree in order to convert the required part into a water-insoluble mass, from which toxic organic substances and
    0 water-soluble salts of toxic metals that have not been converted to water-insoluble compounds will not be leached.
    [2]
    2. A method according to claim 1, characterized in that the required portion of toxic waste, into which the dewatering agent is introduced, is granulated to form a plurality of granules before carrying out the conversion.
    0
    [3]
    3. The method according to claim 1, characterized in that the treated required part containing clay is additionally heated using a plasma torch to convert it into a vitreous mass.
    [4]
    5 4. The method according to claim 1, wherein the dewatering agent is alkali and is introduced into the desired part in (an amount not only sufficient to convert this desired part into a waterproof mass, but also sufficient to raise the pH of the water in the waste before being converted to the extent that water-soluble salts of toxic metals are precipitated as water-insoluble compounds, and those water-soluble salts of toxic metals that have not precipitated are enveloped in this waterproof mass.
    [5]
    5. The method according to claim 1 is also distinguished by the fact that when toxic waste contains radon-emitting radioactive substance, the dehydrating agent is introduced in an amount sufficient to convert the required part into a solid waterproof mass of such density that during the migration of radon in it is converted into a solid radioactive isotope and does not escape into the surrounding atmosphere, and the radioactive isotope remains in the impermeable mass.
    [6]
    6. The method according to claim 1, characterized in that when the waste is mixed with the ground, the soil includes a significant amount of clay containing sodium, and the dewatering agent for fixing the soil contains calcium, which enters into ion exchange with the sodium in the clay to transform the fluid into from the hydrophilic state to a hydrophobic solid mass not permeable to water.
    [7]
    7. A method according to claim 1, characterized in that the dewatering agent for fixing the soil comprises dry clay containing a sodium and calcium-containing compound, which when wetted with loose material in the material and in the soil, exchanges ionic sodium and calcium, and is mentioned the zone is converted from a hydrophilic state to a hydrophobic solid state to a hydrophobic solid state impervious to water,
    [8]
    8. Method pop. 1, characterized in that the oxidizing agent is potassium permanganate.
    [9]
    9. A method according to claim 1, characterized in that the toxic waste stream is periodically cooled to a temperature that ensures the release of steam from this toxic stream in the form of condensate, and toxic gases and vapors in the form of toxic liquids.
    [10]
    10. The method according to claim 9, wherein sampling a stream of toxic waste to determine the composition of toxic components in the stream, when the stream is subjected to first cooling to a low temperature and last cooling to a low temperature to determine the desired degree of decontamination and after cooling to the last low temperature stream treated with activated carbon.
    [11]
    11. The method according to claim 9, characterized in that the resulting from the stream of toxic
    waste vapor condensate and toxic liquids are taken to a closed container and the toxic components from this container are subjected to bacterial treatment to make them non-toxic.
    0
    [12]
    12. The method according to claim 9, from the fact that the condensate of steam and toxic liquids formed from the stream of toxic waste are taken into a closed container and heated in a plasma furnace to make
    5 they are non-toxic.
    [13]
    13. A device for the disposal of hazardous toxic waste that can be located on the ground or under the ground containing a cutting tool for transferring the required part of the waste, a pump for feeding treatment fluid agents from the reservoir to the nozzles, injection treatment agents into the desired portion for processing it, a cap whose edge
    5 comes into contact with the desired part, forming a limited space located above the desired part, and means for moving the device from place to place, characterized in that, in order to
    0 to increase efficiency, it contains a boiler connected to nozzles for injecting steam under pressure into the required part, a blower connected to the inside of the hood for removing air, steam, toxic fumes and toxic gases from a part of this confined space, a disinfection device, connected to the outlet of the blower, the pipeline connecting
    0 exit disinfection device with a steam inlet free of toxic components back to the required part, analyzing device connected to the air outlet of the walker to determine the composition of toxic components in the required part, first oxidizer storage tank that is connected to the nozzles through the pump connected to the analyzing device for
    0 controlling the outlet of the oxidizer inlet tank to the required part, the second storage tank for the dehydrating agent, which is connected to the nozzles through a feeder connected to the analyzer
    5 with a device for controlling the exit from the second tank to admit the drying agent to the desired part.
    [14]
    14. The device according to claim 13, wherein the means for moving from place to place includes a movable vertical frame on which is mounted with a movable cap so that its lower edge is installed in sealed contact with the waste layer at the desired location on it, and the engine connected to the cutting tool to rotate the cutting tool and move it longitudinally under the hood.
    [15]
    15. The device according to claim 13, wherein the disinfection device is made in the form of a plasma arc furnace.
    [16]
    16. A device according to claim 13, characterized in that the disinfection device has a refrigerator and an activated carbon container.
    [17]
    17. The device according to claim 16, further comprising a pipeline connected to a refrigerator through which the condensed liquid flows, which may contain a toxic substance, and a bioreactor for
    converting a toxic substance flowing in it into non-toxic components.
    [18]
    18. Pop-up device 16, characterized in that the plasma arc furnace is connected to an activated carbon container for regeneration of the used activated carbon supplied to it.
    [19]
    19. A device according to claim 13, characterized in that it further comprises a reservoir and a connecting conduit for injecting water into the required part of the waste for converting the latter into a mass of desired consistency.
    [20]
    20. The device according to claim 13, wherein the decontamination device comprises a catalytic thermal oxidation reactor, a reactive gas removal device and a condenser
    a pair, the catalytic thermal oxidizer converting toxic vapors and toxic gases to non-toxic compounds.
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    同族专利:
    公开号 | 公开日
    GB2191186A|1987-12-09|
    GB2191186B|1989-11-01|
    GB8708900D0|1987-05-20|
    EP0235249A4|1990-12-27|
    EP0235249B1|1992-12-23|
    NL8620328A|1987-08-03|
    MC1814A1|1988-03-18|
    CA1294112C|1992-01-14|
    JPS63500677A|1988-03-10|
    DE3690446T1|1987-12-10|
    AU583656B2|1989-05-04|
    OA08757A|1989-03-31|
    WO1987001312A1|1987-03-12|
    AU6228386A|1987-03-24|
    US4844807A|1989-07-04|
    EP0235249A1|1987-09-09|
    MY100720A|1991-01-31|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
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