CN211976888U - Dangerous waste treatment device using plasma technology - Google Patents
Dangerous waste treatment device using plasma technology Download PDFInfo
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- CN211976888U CN211976888U CN202020379041.7U CN202020379041U CN211976888U CN 211976888 U CN211976888 U CN 211976888U CN 202020379041 U CN202020379041 U CN 202020379041U CN 211976888 U CN211976888 U CN 211976888U
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Abstract
The utility model discloses a hazardous waste treatment device using plasma technology, which comprises a main reaction chamber, an auxiliary reaction chamber, a quencher, a spray tower and a drainage device; the main reaction chamber, the secondary reaction chamber, the quencher, the spray tower and the drainage equipment are communicated through gas guide pipes, and refractory linings are arranged on the inner walls of the gas guide pipes among the main reaction chamber, the secondary reaction chamber and the quencher; the plasma generator of the main reaction chamber is used for vaporizing solid hazardous wastes, and the plasma generator of the auxiliary reaction chamber is used for treating particulate matters and gas generated after the hazardous wastes are vaporized; the drainage equipment comprises a water washing box, and cooling water used by the main reaction chamber, the auxiliary reaction chamber and the quencher is circulated to the water washing box; the equipment has a good effect of treating hazardous wastes, and is convenient to clean and maintain.
Description
Technical Field
The utility model relates to an environmental protection field, especially a danger waste treatment device who uses plasma technique.
Background
According to the data of the State administration of statistics and OECD (optical electronic disc), the domestic garbage yield in China keeps about 5% increase in recent years, the garbage clearing and transporting amount reaches 2.28 hundred million tons in 2018, and the domestic garbage is the country which generates most garbage globally beyond the United states. At present, the garbage disposal method mainly comprises a landfill method and a burning method, the landfill method occupies a large amount of land resources although the cost is low, and the landfill method used by hazardous wastes can cause serious damage to soil. Although the incineration method has a good treatment effect, a large amount of harmful gas and particulate matters are generated in the incineration process, so that the environment is seriously polluted, the treatment requirement on hazardous wastes is high, and the cost is also high.
With the development of the plasma technology, the high temperature provided by the plasma technology has a good effect on hazardous waste treatment, and the treatment cost is relatively low; however, the existing equipment for treating hazardous wastes by using the plasma technology has the problems of incomplete hazardous waste treatment, low gas cooling speed or incapability of cooling to an ideal temperature so as to generate dioxin again, low equipment utilization rate, large occupied area and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an use danger waste treatment device of plasma technique.
The purpose of the utility model is realized through the following technical scheme:
a dangerous waste treatment device using a plasma technology comprises a main reaction chamber, a secondary reaction chamber, a quencher, a spray tower and a drainage device; the main reaction chamber, the secondary reaction chamber, the quencher, the spray tower and the drainage equipment are communicated through gas guide pipes, and refractory linings are arranged on the inner walls of the gas guide pipes among the main reaction chamber, the secondary reaction chamber and the quencher; the plasma generator of the main reaction chamber is used for vaporizing solid hazardous wastes, and the plasma generator of the auxiliary reaction chamber is used for treating particulate matters and gas generated after the hazardous wastes are vaporized; the drainage equipment comprises a water washing box, and cooling water used by the main reaction chamber, the auxiliary reaction chamber and the quencher is circulated to the water washing box.
Further, the main reaction chamber comprises a main reaction chamber body, a furnace cover, a furnace plug, a crucible and an ash deposition chamber; the furnace cover is fixedly connected with the top of the main reaction chamber main body, the furnace plug is fixedly connected with the bottom of the main reaction chamber, the crucible is positioned in the main reaction chamber main body, and the ash deposition chamber is positioned below the main reaction chamber main body and is fixedly connected with the main reaction chamber main body; the inner wall of the main reaction chamber body is provided with a refractory lining, and the outer wall of the main reaction chamber body is coated with a water cooling layer.
Further, the main reaction chamber body is provided with a main body side door and a first medium gas access port, the main body side door is provided with an observation window, and the crucible can be taken out of the main reaction chamber body through the main body side door; the furnace cover is provided with a first plasma generator access port.
Furthermore, the auxiliary reaction chamber comprises an auxiliary reaction chamber main body, an auxiliary reaction chamber cover and a slag discharge port, wherein an air inlet and an air outlet are respectively formed in two ends of the auxiliary reaction chamber main body, one side of the auxiliary reaction chamber main body without an outer wall is fixedly connected with the auxiliary reaction chamber cover, and the slag discharge port is positioned on the opposite surface of the auxiliary reaction chamber cover and is adjacent to the air outlet; the auxiliary reaction chamber main body and the auxiliary reaction chamber cover are made of metal materials, the inner walls of the auxiliary reaction chamber main body and the auxiliary reaction chamber cover are both provided with refractory linings, and the outer wall of the auxiliary reaction chamber main body is also provided with a water cooling pipe.
Further, a second plasma generator access port and a second medium gas access port are arranged on the side reaction chamber cover, and the second plasma generator is positioned on one side, close to the gas inlet, of the side reaction chamber cover; the inside of the main body of the secondary reaction chamber is also provided with a plurality of airflow baffle plates which are made of high-temperature resistant materials.
Further, the quencher comprises a quencher cover, a quencher main body and a quencher tail end, the quencher cover is fixedly connected to the upper end of the quencher main body, the quencher tail end is fixedly connected to the lower end of the quencher main body, the quencher main body comprises a water-cooling outer wall and a first partition plate and a second partition plate which are fixedly installed inside the water-cooling outer wall, the first partition plate and the second partition plate divide the interior of the quencher into an air inlet chamber, a condensation chamber and an air outlet chamber, and a plurality of heat exchange tubes are fixedly connected between the first partition plate and the second partition plate and enable the air inlet chamber and the air outlet chamber to be communicated; an air inlet interface communicated with the air inlet chamber is formed in the quencher main body; the quencher main body is also provided with a condensation chamber water inlet and a condensation chamber water outlet which are communicated with the condensation chamber, the condensation chamber water inlet is adjacent to the gas outlet chamber, and the condensation chamber water outlet is adjacent to the gas inlet chamber; and the tail end of the quencher is provided with an air outlet interface communicated with the air outlet chamber.
Further, a gas filtering layer is arranged on the top of the spray tower and consists of hollow spheres; the lower half part of the spray tower is an alkali liquor pool, a submersible pump is arranged in the alkali liquor pool, a water outlet of the submersible pump is externally connected with a water pipe, the tail end of the water pipe is connected with a spray head, the spray head is positioned below the gas filter layer, and the spray head comprises a plurality of spray heads; the shell, the water pipe and the spray head of the submersible pump are all made of anti-corrosion materials; and the air inlet of the spray tower is positioned between the spray head and the liquid level of the alkali liquor pool.
Furthermore, the drainage equipment also comprises a water ring pump, and the water ring pump is used for generating negative pressure, so that gas generated by the main reaction chamber sequentially passes through the secondary reaction chamber, the quencher and the spraying equipment and then enters the drainage equipment; and the gas outlet of the water ring pump is connected into the water washing tank through a pipeline, and the gas is discharged from the gas outlet of the water washing tank after being washed.
Furthermore, valves are arranged on the gas guide tubes between the quencher and the spray tower and between the spray tower and the drainage equipment, and a sampling port and a temperature measuring port are also arranged on the gas guide tube between the spray tower and the drainage equipment.
Further, the dangerous waste treatment device also comprises a water chiller, and the water chiller is used for cooling water in the water washing tank.
The utility model has the advantages of it is following:
1. the device comprises two reaction chambers with plasma generators, wherein a main reaction chamber is used for vaporizing solid hazardous wastes, a secondary reaction chamber provides stable high-temperature decomposition particulate matters and harmful substances in gas, the hazardous wastes are subjected to harmless treatment by two times of plasma treatment to achieve a better effect, and meanwhile, the type of medium gas is introduced into the secondary reaction chamber to control, so that when the hazardous wastes to be treated contain more combustible gas, combustible gas generated after the hazardous wastes are vaporized can be collected and reused, and when the hazardous wastes to be treated contain less combustible gas, a small amount of combustible gas can be combusted and treated, and the harmless gas is discharged;
2. the quencher is used as important equipment for preventing harmful substances such as dioxin and the like from being regenerated after combustion, the water flow of the quencher is from bottom to top and wraps a heat exchange pipe through which gas flows, the quencher has a good cooling effect, the gas temperature can be quickly lower than 200 ℃, and the quencher is convenient to clean due to the structural characteristics of a quencher cover;
3. the cooling water used by the main reaction chamber, the auxiliary reaction chamber and the quencher of the equipment is circulated into the water washing tank in the drainage equipment, and the whole equipment only uses one water washing tank, so that the occupied area is saved, and the equipment utilization rate can be improved.
Drawings
FIG. 1 is a schematic view showing the construction of the hazardous waste disposal apparatus;
FIG. 2 is a schematic view showing the structure of a main reaction chamber in the hazardous waste treatment apparatus;
FIG. 3 is a sectional view A-A of the main reaction chamber of the hazardous waste disposal apparatus;
FIG. 4 is a schematic structural view of a side reaction chamber in the hazardous waste treatment device;
FIG. 5 is a B-B sectional view of a side reaction chamber in the hazardous waste disposal apparatus;
FIG. 6 is a schematic view showing the construction of a quencher in the hazardous waste treatment apparatus;
in the figure, 100-main reaction chamber, 110-furnace cover, 120-main reaction chamber body, 121-water cooling layer, 122-main body side door, 123-first medium gas inlet, 124-observation window, 125-first plasma generator inlet, 130-furnace plug, 140-crucible, 150-ash chamber, 200-auxiliary reaction chamber, 210-auxiliary reaction chamber body, 211-water cooling pipe, 212-gas flow baffle plate, 220-auxiliary reaction chamber cover, 221-second plasma generator inlet, 222-second medium gas inlet, 230-slag outlet, 300-quencher, 310-quencher cover, 320-quencher body, 321-water cooling outer wall, 322-first clapboard, 323-second clapboard, 324-heat exchange pipe, 330-quencher tail end, 400-a spray tower, 410-a gas filtering layer, 411-hollow spheres, 420-an alkaline solution pool, 421-a water pipe, 422-a spray head, 500-a drainage device, 510-a water washing tank, 520-a water ring pump, 600-a refractory lining, 700-a plasma generator and 800-a valve.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will clearly describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The present embodiment provides a hazardous waste treatment apparatus using plasma technology, as shown in fig. 1, comprising a main reaction chamber 100, a secondary reaction chamber 200, a quencher 300, a spray tower 400 and a flow guiding device 500; the main reaction chamber 100, the secondary reaction chamber 200, the quencher 300, the spray tower 400 and the drainage equipment 500 are communicated through gas guide pipes, and the inner walls of the gas guide pipes among the main reaction chamber 100, the secondary reaction chamber 200 and the quencher 300 are provided with refractory linings 600; the main reaction chamber 100 and the side reaction chamber 200 are both provided with a plasma generator 700 and a water cooling device, the plasma generator 700 of the main reaction chamber 100 is used for vaporizing solid hazardous waste, and the plasma generator 700 of the side reaction chamber 200 is used for treating particulate matters and gas generated after the hazardous waste is vaporized; the flow guide apparatus 500 includes a water washing tank 510, and water in the water washing tank 510 is circulated as cooling water in the main reaction chamber 100, the sub-reaction chamber 200, and the quencher 300.
As shown in fig. 1 to 3, the main reaction chamber 100 includes a main reaction chamber 100 body, a furnace cover 110, a furnace plug 130, a crucible 140, and an ash chamber 150; the furnace cover 110 is fixedly connected with the top of the main reaction chamber 100 by bolts, the furnace plug 130 is fixedly connected with the bottom of the main reaction chamber 100 by hinges and industrial hasp lock, the crucible 140 is positioned in the main reaction chamber 100, and the ash chamber 150 is positioned below the main reaction chamber 100 and is fixedly connected with the main reaction chamber 100; the main reaction chamber 100 is provided with a refractory lining 600 on the inner wall thereof, and the main reaction chamber 100 is covered with a water-cooling layer 121 on the outer wall thereof.
The first plasma generator 700 is arranged on the furnace cover 110 and connected with the inlet 125, the furnace cover 110 is further provided with an explosion-proof port and a pressure measuring port, an explosion-proof sheet is further installed on the explosion-proof port, and when the pressure in the main reaction chamber 100 is larger than the maximum bearing pressure of the explosion-proof sheet, the explosion-proof sheet automatically explodes to release pressure, so that the safety of the main reaction chamber 100 is guaranteed.
The main reaction chamber 100 main body is provided with a main body side door 122, a first medium gas access port 123 and a material inlet interface, the first medium gas access port 123 is used for introducing medium gas required by the reaction, the material inlet interface is used for adding materials, the main body side door 122 is provided with an observation window 124, and the crucible 140 can be taken out from the main reaction chamber 100 main body through the main body side door 122; the main reaction chamber 100 can also be provided with a first support and/or a second support, wherein the first support and the second support are used for supporting the crucible 140, so that the crucible 140 is closer to the plasma generator 700; the crucible 140, the first support and the second support are made of light refractory materials and can be taken out easily through the main body side door 122; in addition, the main reaction chamber 100 is also provided with at least two temperature measuring ports and a steam interface, wherein the at least two temperature measuring ports are used for measuring the stability of the upper part and the lower part in the main reaction chamber 100, the steam interface is added with steam, and the steam is decomposed into oxygen and hydrogen at high temperature, so that hazardous wastes can be combusted and vaporized.
The furnace plug 130 comprises a furnace plug 130 main body and a furnace plug 130 main body base, the furnace plug 130 main body is made of refractory materials, one side of the furnace plug 130 main body base is connected with the bottom of the main body of the main reaction chamber 100 through a hinge, the opposite side of the furnace plug 130 main body base, which is provided with the hinge, and the bottom of the main body of the main reaction chamber 100 are provided with matched industrial hasp locks, and the industrial hasp locks are used for locking the furnace plug 130 main body base; the arrangement of the hinge and the industrial hasp lock enables the opening and closing of the furnace plug 130 to be more convenient, and the working efficiency can be improved.
The dust chamber 150 comprises a support frame and side doors, the side doors comprise two fans which are symmetrically distributed on two sides of the dust chamber 150, and the support frame is composed of each side of the dust chamber 150 and is used for supporting the dust chamber 150 and the main body of the main reaction chamber 100; the ash chamber 150 is hollow and has no cover plate on the top, the waste slag in the main reaction chamber 100 is partially poured out by taking out the crucible 140, and partially is discharged to the ash chamber 150 by opening the furnace plug 130 to make the main reaction chamber 100 and the ash chamber 150 communicate, and the waste slag in the ash chamber 150 is cleaned out from the side door.
As shown in fig. 1, 4 and 5, the secondary reaction chamber 200 comprises a main body of the secondary reaction chamber 200, a cover of the secondary reaction chamber 200 and a slag discharge port 230, wherein an air inlet and an air outlet are respectively arranged at two ends of the main body of the secondary reaction chamber 200, one side of the main body of the secondary reaction chamber 200 without an outer wall is fixedly connected with the cover of the secondary reaction chamber 200, and the slag discharge port 230 is positioned on the opposite surface of the cover of the secondary reaction chamber 200 and is adjacent to the air outlet; the main body of the side reaction chamber 200 and the cover of the side reaction chamber 200 are made of metal material, the inner walls of the main body of the side reaction chamber 200 and the cover of the side reaction chamber 200 are both provided with refractory linings 600, the outer wall of the main body of the side reaction chamber 200 is also provided with a water-cooling pipe 211, and the water-cooling pipe 211 is usually arranged on the outer wall of the main body of the side reaction chamber 200 by welding or winding.
A second plasma generator 700 access port 221 and a second medium gas access port 222 are arranged on the side reaction chamber 200 cover, and the second plasma generator 700 is positioned on one side of the side reaction chamber 200 cover, which is close to the air inlet; in addition, the cover of the secondary reaction chamber 200 is also provided with a plurality of temperature measuring ports and sampling ports, so that the temperature of the gas before and after the reaction can be measured and sampled; the cover of the secondary reaction chamber 200 is further provided with a gas inlet for introducing gas such as medium gas or water vapor.
The inside of the main body of the secondary reaction chamber 200 is further provided with a plurality of gas flow baffle plates 212, the gas flow baffle plates 212 are made of high temperature resistant materials, in the embodiment, the gas flow baffle plates 212 are provided with three blocks, which can ensure that the residence time of gas in the secondary reaction chamber 200 exceeds 2s, so that the reaction is more sufficient; the second three gas flow baffles 212 divide the interior of the main body of the secondary reaction chamber 200 into A, B, C, D four regions, wherein the B, C region may further contain a filler for improving the effect of harmless treatment, and the filler may be an adsorbate of harmful gas or a catalyst.
The slag discharge port 230 is composed of a plug and a sealing plate, the slag discharge port 230 can discharge waste slag and ash in the main body of the secondary reaction chamber 200, the sealing plate and the plug of the cover of the secondary reaction chamber 200 and the slag discharge port 230 are opened, then the ash, residue or waste filler in the main body of the secondary reaction chamber 200 is cleaned to the slag discharge port 230 to be discharged, the ash generated by reaction is very fine, and the main body of the secondary reaction chamber 200 is difficult to turn over, so that the ash, residue or waste filler is required to be completely removed, and the residue, ash and the like in the main body of the secondary reaction chamber 200 can be completely cleaned by sweeping the ash, residue or waste filler to the slag discharge port 230.
As shown in fig. 1 and 6, the quencher 300 comprises a quencher 300 cover, a quencher 300 main body and a quencher 300 tail end, wherein the quencher 300 cover is fixedly connected to the upper end of the quencher 300 main body, the quencher 300 tail end is fixedly connected to the lower end of the quencher 300 main body, the quencher 300 main body comprises a water-cooled outer wall 321 and a first partition 322 and a second partition 323 fixedly arranged inside the water-cooled outer wall 321, the first partition 322 and the second partition 323 divide the interior of the quencher 300 into an air inlet chamber, a condensation chamber and an air outlet chamber, and a plurality of heat exchange tubes 324 are fixedly connected between the first partition 322 and the second partition 323 and are communicated with the air inlet chamber and the air outlet chamber; an air inlet interface communicated with the air inlet chamber is formed on the main body of the quencher 300; the main body of the quencher 300 is also provided with a condensation chamber water inlet and a condensation chamber water outlet which are communicated with the condensation chamber, the condensation chamber water inlet is adjacent to the gas outlet chamber, and the condensation chamber water outlet is adjacent to the gas inlet chamber; the tail end of the quencher 300 is provided with an air outlet interface communicated with the air outlet chamber; wherein the number of heat exchange tubes 324 is 47 in one embodiment of the present application.
In an embodiment of the present application, a temperature measuring port, a gas sampling port and a liquid sampling port are further disposed at the tail end of the quencher 300, the temperature measuring port, the gas sampling port and the liquid sampling port are conducted to the gas outlet chamber, and the liquid sampling port is located at the bottom of the tail end of the quencher 300. The water-cooled outer wall 321 is also provided with an expansion joint, so that the thermal expansion of the water-cooled outer wall 321 under the action of high-heat gas can be relieved, and the axial load of the water-cooled outer wall 321 is reduced.
The upper end of quencher 300 main part still is provided with the fire-resistant end cap of upper cover that is used for sealed quencher 300 main part, and the fire-resistant end cap of upper cover includes fire-resistant end cap fixed plate and die-casting fire-resistant end cap on fire-resistant end cap fixed plate, and the one side that quencher 300 main part was kept away from to fire-resistant end cap fixed plate is provided with the handle. The fireproof plug is made of light heat-insulating fireproof materials, so that the temperature of gas in the gas inlet chamber can be isolated, and a fireproof plug fixing plate is protected. The fireproof plug of upper cover is detachably installed in the upper end of quencher 300 main part, sets up the handle and is convenient for take out the fireproof plug of upper cover. In one embodiment of the application, the refractory plug is made of polycrystalline silicon mullite, so that the refractory plug fixing plate can be effectively protected.
As shown in fig. 1, a gas filtering layer 410 is arranged on the top of the spray tower 400, and the gas filtering layer 410 is composed of hollow balls 411; the lower half part of the spray tower 400 is an alkali liquor pool 420, a submersible pump is arranged in the alkali liquor pool 420, a water outlet of the submersible pump is externally connected with a water pipe 421, the tail end of the water pipe 421 is connected with a spray head 422, the spray head 422 is positioned below the gas filter layer 410, and the spray head 422 comprises a plurality of spray heads; the shell of the submersible pump, the water pipe 421 and the spray head 422 are all made of anti-corrosion materials; the air inlet of the spray tower 400 is positioned between the spray head 422 and the liquid level of the alkali liquor pool 420. The spraying of the alkali liquor can enable toxic acidic components in the gas to further carry out harmless treatment on the gas, and the gas is filtered by a gas filtering layer 410 consisting of hollow spheres 411 before being discharged, so that the finally discharged gas is harmless to the environment and people.
As shown in fig. 1, the flow guiding device 500 further comprises a water ring pump 520, wherein the water ring pump 520 is used for generating negative pressure, so that the gas generated by the main reaction chamber 100 sequentially passes through the secondary reaction chamber 200, the quencher 300 and the spraying device and then enters the flow guiding device 500; the gas outlet of the water ring pump 520 is connected into the water washing tank 510 through a pipeline, and the gas is washed and then discharged from the gas outlet of the water washing tank 510.
As shown in fig. 1, the gas-guiding pipes between the quencher 300 and the spray tower 400 and between the spray tower 400 and the drainage device 500 are provided with valves for blocking the gas circulation and preventing the harmful gas from being discharged when a fault occurs, and the valves may be common valves such as ball valves and gate valves; still be provided with sample connection and temperature measurement mouth on the air duct between spray column 400 and the drainage equipment 500, sample connection and temperature measurement mouth here are used for gathering the gas temperature condition that gets into drainage equipment 500 and collect gaseous confession detection usefulness, and the testing result can demonstrate whether this processing apparatus's effect is showing, provides the reference for follow-up improvement.
In addition, the hazardous waste treatment device further comprises a water cooler, wherein the water cooler is used for cooling water in the water washing tank 510, so that the water in the water washing tank 510 is kept at 10-20 ℃.
Claims (10)
1. A dangerous waste treatment device using a plasma technology is characterized by comprising a main reaction chamber, an auxiliary reaction chamber, a quencher, a spray tower and a drainage device;
the main reaction chamber, the secondary reaction chamber, the quencher, the spray tower and the drainage equipment are communicated through gas guide pipes, and refractory linings are arranged on the inner walls of the gas guide pipes among the main reaction chamber, the secondary reaction chamber and the quencher;
the plasma generator of the main reaction chamber is used for vaporizing solid hazardous wastes, and the plasma generator of the auxiliary reaction chamber is used for treating particulate matters and gas generated after the hazardous wastes are vaporized;
the drainage equipment comprises a water washing box, and cooling water used by the main reaction chamber, the auxiliary reaction chamber and the quencher is circulated to the water washing box.
2. The hazardous waste disposal device of claim 1, wherein the main reaction chamber comprises a main reaction chamber body, a furnace cover, a furnace plug, a crucible and an ash chamber;
the furnace cover is fixedly connected with the top of the main reaction chamber main body, the furnace plug is fixedly connected with the bottom of the main reaction chamber, the crucible is positioned in the main reaction chamber main body, and the ash deposition chamber is positioned below the main reaction chamber main body and is fixedly connected with the main reaction chamber main body;
the inner wall of the main reaction chamber body is provided with a refractory lining, and the outer wall of the main reaction chamber body is coated with a water cooling layer.
3. The hazardous waste disposal device of claim 2, wherein the main reaction chamber body is provided with a main body side door, a first medium gas access port material inlet port, and a viewing window is provided on the main body side door, and the crucible can be taken out of the main reaction chamber body through the main body side door; the furnace cover is provided with a first plasma generator access port.
4. The hazardous waste disposal device of claim 1, wherein the secondary reaction chamber comprises a secondary reaction chamber main body, a secondary reaction chamber cover and a slag discharge port, wherein an air inlet and an air outlet are respectively arranged at two ends of the secondary reaction chamber main body, one side of the secondary reaction chamber main body without an outer wall is fixedly connected with the secondary reaction chamber cover, and the slag discharge port is positioned on the opposite surface of the secondary reaction chamber cover and is adjacent to the air outlet;
the auxiliary reaction chamber main body and the auxiliary reaction chamber cover are made of metal materials, the inner walls of the auxiliary reaction chamber main body and the auxiliary reaction chamber cover are both provided with refractory linings, and the outer wall of the auxiliary reaction chamber main body is also provided with a water cooling pipe.
5. The hazardous waste disposal device of claim 4, wherein the secondary reaction chamber cover is provided with a second plasma generator access port and a second medium gas access port, and the second plasma generator is positioned on one side of the secondary reaction chamber cover and close to the gas inlet; the inside of the main body of the secondary reaction chamber is also provided with a plurality of airflow baffle plates which are made of high-temperature resistant materials.
6. The hazardous waste disposal device of claim 1, wherein the quencher comprises a quencher cover fixedly connected to an upper end of the quencher body, a quencher tail end fixedly connected to a lower end of the quencher body, the quencher body comprises a water-cooled outer wall and first and second partition plates fixedly installed inside the water-cooled outer wall, the first and second partition plates divide the interior of the quencher into an inlet chamber, a condensing chamber and an outlet chamber, and a plurality of heat exchange tubes are fixedly connected between the first and second partition plates and conduct the inlet chamber and the outlet chamber;
an air inlet interface communicated with the air inlet chamber is formed in the quencher main body; the quencher main body is also provided with a condensation chamber water inlet and a condensation chamber water outlet which are communicated with the condensation chamber, the condensation chamber water inlet is adjacent to the gas outlet chamber, and the condensation chamber water outlet is adjacent to the gas inlet chamber; and the tail end of the quencher is provided with an air outlet interface communicated with the air outlet chamber.
7. The hazardous waste disposal device of claim 1, wherein a gas filtering layer is arranged on the top of the spray tower, and the gas filtering layer is composed of hollow spheres; the lower half part of the spray tower is an alkali liquor pool, a submersible pump is arranged in the alkali liquor pool, a water outlet of the submersible pump is externally connected with a water pipe, the tail end of the water pipe is connected with a spray head, the spray head is positioned below the gas filter layer, and the spray head comprises a plurality of spray heads;
the shell, the water pipe and the spray head of the submersible pump are all made of anti-corrosion materials; and the air inlet of the spray tower is positioned between the spray head and the liquid level of the alkali liquor pool.
8. The hazardous waste disposal device of claim 1, wherein the diversion apparatus further comprises a water ring pump for generating negative pressure, so that the gas generated by the main reaction chamber sequentially passes through the secondary reaction chamber, the quencher and the spraying apparatus and then enters the diversion apparatus; and the gas outlet of the water ring pump is connected into the water washing tank through a pipeline, and the gas is discharged from the gas outlet of the water washing tank after being washed.
9. The hazardous waste treatment device of claim 1, wherein the gas-guide tubes between the quencher and the spray tower and between the spray tower and the drainage equipment are provided with valves, and the gas-guide tube between the spray tower and the drainage equipment is provided with a sampling port and a temperature measuring port.
10. The hazardous waste disposal device of claim 1, further comprising a water chiller for cooling water in the wash tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379041.7U CN211976888U (en) | 2020-03-23 | 2020-03-23 | Dangerous waste treatment device using plasma technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379041.7U CN211976888U (en) | 2020-03-23 | 2020-03-23 | Dangerous waste treatment device using plasma technology |
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| Publication Number | Publication Date |
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| CN211976888U true CN211976888U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020379041.7U Active CN211976888U (en) | 2020-03-23 | 2020-03-23 | Dangerous waste treatment device using plasma technology |
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| CN (1) | CN211976888U (en) |
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