CN111536522A - Movable high-temperature plasma medical waste disposal shelter and disposal method - Google Patents
Movable high-temperature plasma medical waste disposal shelter and disposal method Download PDFInfo
- Publication number
- CN111536522A CN111536522A CN202010491515.1A CN202010491515A CN111536522A CN 111536522 A CN111536522 A CN 111536522A CN 202010491515 A CN202010491515 A CN 202010491515A CN 111536522 A CN111536522 A CN 111536522A
- Authority
- CN
- China
- Prior art keywords
- plasma
- shelter
- gasification melting
- medical waste
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000002381 Plasma Anatomy 0.000 title claims abstract description 82
- 239000002906 medical waste Substances 0.000 title claims abstract description 63
- 238000002844 melting Methods 0.000 claims abstract description 71
- 238000009272 plasma gasification Methods 0.000 claims abstract description 63
- 235000010599 Verbascum thapsus Nutrition 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 48
- 239000003546 flue gas Substances 0.000 claims description 48
- 238000010791 quenching Methods 0.000 claims description 30
- 230000000171 quenching Effects 0.000 claims description 30
- 238000002485 combustion reaction Methods 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 27
- 239000000428 dust Substances 0.000 claims description 22
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 20
- 239000003513 alkali Substances 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 15
- 238000004378 air conditioning Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 230000003750 conditioning Effects 0.000 claims 1
- 150000003384 small molecules Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 15
- 238000002309 gasification Methods 0.000 abstract description 15
- 239000002699 waste material Substances 0.000 abstract description 8
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 7
- 239000005416 organic matter Substances 0.000 abstract description 5
- 230000036632 reaction speed Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 9
- 239000002283 diesel fuel Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 230000001954 sterilising Effects 0.000 description 6
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000087 stabilizing Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000002829 reduced Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitrogen oxide Substances O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000004127 Vitreous Body Anatomy 0.000 description 2
- VTVVPPOHYJJIJR-UHFFFAOYSA-N carbon dioxide;hydrate Chemical compound O.O=C=O VTVVPPOHYJJIJR-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 201000009910 diseases by infectious agent Diseases 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000035943 smell Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002588 toxic Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 244000052616 bacterial pathogens Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drugs Drugs 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N furane Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 load Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052813 nitrogen oxide Inorganic materials 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
Abstract
A movable high-temperature plasma medical waste disposal shelter and a disposal method thereof comprise a shell, a material lifting module, a gasification melting module, a post-treatment module and a control module; the shell is divided into an equipment area and a control area, the material lifting module, the gasification melting module and the post-processing module are all arranged in the equipment area, the material lifting module, the gasification melting module and the post-processing module are sequentially connected, and the control module is arranged in the control area; compared with the prior disposal technology, the invention has high temperatureThe plasma gasification melting technology is characterized in that high-temperature high-speed plasma jet flow generated by a hundred kilowatt-level arc air plasma torch is utilized to form a high-temperature reducing atmosphere with the temperature of more than 1200 ℃ in a plasma gasification melting furnace, the reaction speed of waste is accelerated due to high energy density and high temperature in the furnace, and organic matters are quickly gasified and decomposed into CO and H2、CH4And the small molecular gas is independent of the existence of free radicals, so that the organic matter can be more effectively decomposed without generating dioxin.
Description
Technical Field
The invention belongs to the technical field of medical waste treatment, and particularly relates to a movable high-temperature plasma medical waste treatment shelter and a treatment method.
Background
At present, the yield of medical waste in China is continuously increased, and the medical waste belongs to dangerous waste and has extremely high infectivity and danger due to the characteristics of scattered distribution, small yield, complex components and the like. Increasingly stringent health regulations and public concern over infectious diseases make harmless, reduced disposal of medical waste more and more important.
For some special hospitals, such as infectious disease hospitals, the medical waste generated by the hospital is treated by being centrally transported to a medical waste treatment center, which poses a great threat to the life and health of personnel in the whole transportation process. Therefore, there is a need to develop a system for the on-site disposal of medical waste that is periodically transported to the site for disposal. Meanwhile, if public health events occur in a short period of time, the medical waste in the hospital is exponentially increased in a short period of time and exceeds the centralized processing capacity of local medical waste, and the epidemic medical waste disposal system with the moving capacity can greatly solve the problems.
Currently, there are few medical waste disposal system products with mobility, and the following main technical routes are adopted:
(1) high-temperature steaming sterilization technology
The technology is to sterilize bacteria, viruses and living matters in medical wastes by steaming the medical wastes at high temperature, and then to perform secondary treatment by other methods after the medical wastes become general wastes. Although the technology can achieve the aim of sterilization and inactivation, the medical waste has no decrement function, even the volume and the weight are further increased due to the addition of water in the cooking process, and secondary treatment is needed; meanwhile, the medical wastes can emit great odor during cooking, so that harm and discomfort are caused to surrounding people; meanwhile, a large amount of waste water is generated, and the waste water with medical drugs flows into the underground, so that serious secondary pollution is caused.
(2) Microwave sterilization technology
The technology is used for sterilizing medical wastes in a microwave mode, and similar to a high-temperature cooking sterilization technology, only the medical wastes can be sterilized, the reduction cannot be carried out, and secondary treatment is required. In addition, the microwave treatment system is limited by a small space of a mobile system, and the volume of a power supply for microwave treatment is limited to a certain extent, so that the power cannot be increased, the microwave penetration capacity of medical wastes with large volume is insufficient, and even the waste germs near the inside cannot be killed.
(3) Incineration technique
The incineration technology is a method for incinerating medical wastes by using an incineration device such as a rotary kiln and a diesel oil burner at present, has the advantages of reducing and sterilizing the medical wastes, and is improved compared with the two technologies. But the disadvantages are that the combustion temperature is low (generally below 1000 ℃), the treatment speed is slow, and a large amount of air is introduced in the combustion process, so that a large amount of harmful gases such as dioxin, furan, nitrogen oxides and the like can be generated, and the health of surrounding people is harmed; meanwhile, part of macromolecular inorganic substances can not react effectively, and a large amount of dense smoke and peculiar smell can be generated after the macromolecular inorganic substances are directly discharged, so that the normal life and production nearby are influenced.
Disclosure of Invention
The invention aims to provide a movable high-temperature plasma medical waste treatment shelter and a treatment method, which aim to solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a movable high-temperature plasma medical waste disposal shelter which comprises a shelter body and a disposal system, wherein the shelter body is a shelter body, a disposal area is arranged in the shelter body, and the disposal system is arranged in the disposal area of the shelter body;
the disposal system comprises a material lifting device, a plasma gasification melting furnace, an air arc plasma torch, a slag dragging device, a secondary combustion chamber section, an air compressor, a quenching deacidification tower, a dust remover, a hydroxyl generator and a chimney;
the material lifting device is arranged at a feed inlet of the plasma gasification melting furnace, and the plasma gasification melting furnace is used for carrying out plasma gasification decomposition treatment on the medical waste; the air arc plasma torch is arranged on the plasma gasification melting furnace and used for providing plasma jet; the air inlet of the air arc plasma torch is connected with the outlet of the air compressor;
the slag dragging device is arranged at a slag discharge port of the plasma gasification melting furnace, and a flue gas outlet of the plasma gasification melting furnace is connected with a flue gas inlet of the secondary combustion chamber section; the flue gas outlet of the second combustion chamber section is connected with the flue gas inlet of the quenching deacidification tower; an air inlet of the second combustion chamber section is connected with an outlet of the air compressor; the flue gas outlet of the quenching deacidification tower is connected with the flue gas inlet of the dust remover, the flue gas outlet of the dust remover is connected with the flue gas inlet of the hydroxyl generator, and the flue gas outlet of the hydroxyl generator is connected with the chimney.
Furthermore, the disposal system also comprises a water chilling unit and a cooling water tank; the cooling water tank comprises a first path of water inlet, a first path of water outlet, a second path of water inlet and a second path of water outlet, the first path of water outlet is connected with a cooling water inlet pipeline of the air arc plasma torch, and the first path of water inlet is connected with a water outlet pipeline of the air arc plasma torch; the second path of water inlet is connected with a cooling water outlet of the water chilling unit, and the second path of water outlet is connected with a water inlet of the water chilling unit.
Further, a control area is also arranged in the cabin body; the control area is an independent space and is provided with a heat-insulating wall surface; a control system is arranged in the control area;
the control system comprises a power distribution cabinet, a control console and a plasma torch power supply, wherein the power distribution cabinet is connected with an external power supply, the power distribution cabinet is respectively connected with the treatment system, the control cabinet, the control console and the plasma torch power supply, one end of the control cabinet is connected with the treatment system, the other end of the control cabinet is connected with the control console, and the plasma torch power supply is connected with the air arc plasma torch.
Further, the material lifting device adopts a material lifting machine.
Furthermore, the disposal system also comprises an induced draft fan, the induced draft fan is arranged between the hydroxyl generator and the chimney, one end of the induced draft fan is connected with the hydroxyl generator, and the other end of the induced draft fan is connected with the chimney; the quenching deacidification tower is connected with an alkali liquor storage tank, the alkali liquor storage tank is used for storing alkali liquor, and the outlet end of the alkali liquor storage tank is connected with the quenching deacidification tower.
Furthermore, the disposal system also comprises a burner and an oil storage tank, wherein an outlet of the burner is connected with a tail port of the plasma gasification melting furnace, and an oil outlet of the oil storage tank is connected with an oil inlet of the burner.
Further, a pressure stabilizing tank is arranged at the outlet of the air compressor.
Further, the system also comprises a control area air conditioning system which is used for improving and adjusting the air environment of the control area; the control area air conditioning system comprises an air conditioner internal unit and an air conditioner external unit, wherein the air conditioner internal unit is arranged in the control area, and the air conditioner external unit is arranged in the disposal area.
Further, the cabin body adopts a cuboid container.
The invention also provides a disposal method of the movable high-temperature plasma medical waste disposal shelter, which comprises the following steps:
1) the treatment shelter is transported to a place needing to be treated, after the outer vertical surface and the top surface of the shelter are removed, an external power supply cable, a water supply pipe and a water drainage pipe are connected, necessary detection is carried out, and preparation work is completed;
2) in the starting-up stage, an induced draft fan is opened to provide system aerodynamic force and a negative pressure environment;
3) the diesel oil burner provides heat energy to dry the plasma gasification furnace, and the temperature in the gasification furnace is raised to about 800 ℃;
4) starting an air arc plasma torch, raising the temperature in the plasma gasification melting furnace to over 1200 ℃, and completing preparation work before treatment;
5) the material lifting machine lifts and delivers the medical waste into a material inlet of the plasma gasification melting furnace;
6) the medical waste is reacted in the lower part of the plasma gasifying and melting furnace to gasify ① organic matter and decompose into CO and H2、CH4The small molecular gas moves upwards under the action of the induced draft fan, ② a little inorganic matter is melted at the bottom of the gasification melting furnace, and the plasma gas is discharged from a slag discharge portMelting and melting furnace;
7) the inorganic matter molten slurry is discharged out of the furnace from a slag discharge port and then enters a slag dragging device for water quenching recovery;
8)CO、H2、CH4the micromolecule gas enters the upper part and the second combustion chamber section of the plasma gasification melting furnace and is mixed and combusted with air generated by an air compressor to form water vapor and CO2Mainly flue gas with the temperature of about 1000 ℃;
9) flue gas enters a quenching deacidification tower, and alkali liquor is sprayed in from a spray head, so that two functions are realized: firstly, rapidly reducing the temperature of the flue gas from 1000 ℃ to 200 ℃ and avoiding a dioxin compounding interval; secondly, alkali liquor reacts with a small amount of acid gas to remove the acid gas;
10) the flue gas after quenching and deacidification enters a bag-type dust remover to remove dust mixed in the flue gas;
11) the flue gas after dust removal enters a hydroxyl generator to remove residual organic matters with a small amount of odor and nitric oxides;
12) and sending the tail gas into a chimney through a draught fan to discharge clean tail gas.
Compared with the prior art, the invention has the following technical effects:
compared with the prior art, the high-temperature plasma gasification melting technology utilizes high-temperature high-speed plasma jet generated by a hundred kilowatt-level arc air plasma torch to form a high-temperature reductive atmosphere with the temperature of more than 1200 ℃ in the plasma gasification melting furnace, the high energy density and the high temperature in the furnace accelerate the reaction speed of wastes, and the organic matters are quickly gasified and decomposed into CO and H2、CH4The micromolecular gas is independent of the existence of free radicals, so that organic matters can be more effectively decomposed without generating dioxin; meanwhile, the inorganic matter is melted into the vitreous body, no fly ash exists, secondary pollution is avoided, complete harmless treatment of toxic and harmful substances is realized, the organic matter destruction rate is up to more than 99.99 percent, and the method is a waste treatment technology which is recognized at present and has the most obvious volume reduction effect, the most thorough harmless effect and the highest resource degree. For the treatment of medical waste, advantages include:
(1) the volume reduction rate is ultrahigh, and can reach more than 95 percent for medical wastes;
(2) the medical waste can react quickly and the treatment speed is high due to the dual functions of high temperature and high activity;
(3) the large molecular organic matters are gasified into small molecular gas, and no dense smoke or peculiar smell is generated;
(4) thorough treatment and no pollution to air, water source and surrounding environment.
The movable high-temperature plasma medical waste disposal shelter is used as a medical waste disposal device which is suitable for daily use and emergency use, is finely designed and reasonably distributed, realizes the arrangement of all equipment, auxiliary devices, power devices and measurement and control devices of a high-temperature plasma medical waste disposal system in a container, and has the capacity of being loaded on a container vehicle or a large-scale medical ship. The method has the advantages of fully playing the characteristics of high speed, high volume reduction rate and zero pollution of medical waste treatment by the high-temperature plasma gasification melting technology, and realizing the mobile and on-site treatment capability.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is an external view of the present invention;
fig. 4 is a block diagram of a system configuration.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, the present invention provides a movable high temperature plasma medical waste disposal shelter, comprising a cabin body, a disposal system, a control system and a control area air conditioning system; the cabin body is a cuboid shelter, and an outer vertical plate and a top plate of the shelter are detachably connected; the treatment system is arranged in the treatment area of the cabin body, and the control system is arranged in the control area of the cabin body; the treatment system is used for carrying out harmless treatment on the medical waste, and the control system is connected with the treatment system and is used for monitoring and controlling the treatment system; the control area is an independent space and is provided with a heat-insulating wall; the control area air conditioning system is used for adjusting the air environment of the control area.
The disposal system comprises a material lifting device 1, a plasma gasification melting furnace 2, an air arc plasma torch 3, a burner 4, a slag dragging device 5, a secondary combustion chamber section 6, a quenching deacidification tower 7, an oil storage tank 8, a dust remover 9, a hydroxyl generator 10, a water chilling unit 11, an air compressor 12, a pressure stabilizing tank 13, a cooling water tank 14, an alkali liquor storage tank 15, an induced draft fan 16 and a chimney 17.
The plasma gasification melting furnace 2 is used for carrying out plasma gasification decomposition treatment on the medical waste, and the material lifting device 1 is arranged at a feed inlet of the plasma gasification melting furnace 2 and used for lifting the medical waste to be treated into the plasma gasification melting furnace 2; an air arc plasma torch 3 is arranged on the plasma gasification melting furnace 2 and used for providing plasma jet; the air inlet of the air arc plasma torch 3 is connected to an air compressor 12.
The slag dragging device 5 is arranged at a slag discharge hole of the plasma gasification melting furnace 2, a flue gas outlet of the plasma gasification melting furnace 2 is connected with a flue gas inlet of the secondary combustion chamber section 6, and the secondary combustion chamber section 6 is arranged, so that the space of an upper combustion area of the plasma gasification melting furnace is expanded, the processed materials and flue gas generated by gasification decomposition are fully combusted, and the structural size of the plasma gasification melting furnace is effectively reduced; a flue gas outlet of the second combustion chamber section 6 is connected with a flue gas inlet of the quenching deacidification tower 7, and an air inlet of the second combustion chamber section 6 is connected with an air compressor 12; the flue gas outlet of the quenching deacidification tower 7 is connected with the flue gas inlet of a dust remover 9, the flue gas outlet of the dust remover 9 is connected with the flue gas inlet of a hydroxyl generator 10, and the flue gas outlet of the hydroxyl generator 10 is connected with a chimney 17.
The air compressor 12 is used for providing air for the air arc plasma torch 3 and the second combustion chamber section 6, the outlet of the air compressor 26 is connected with the inlet of the surge tank 13, the surge tank 13 is used for stabilizing the pressure of the compressed air generated by the air compressor 12, the first outlet of the surge tank 13 is connected with the air inlet of the air arc plasma 22, and the second outlet of the surge tank 13 is connected with the air inlet of the second combustion chamber section 6.
The burner 4 is arranged on the plasma gasification melting furnace 2, the outlet of the burner 4 is connected with the tail end port of the plasma gasification melting furnace 2, and the burner 4 is used for providing low-energy-density heat for the initial stage of baking the plasma gasification melting furnace 2, or providing partial energy when the treatment capacity of the organic waste liquid to be treated is large or the heat value of the treated object is low, so that auxiliary energy supply to the plasma gasification melting furnace 2 is realized; an oil inlet of the combustor 4 is connected with an oil outlet of the oil storage tank 8, and the oil storage tank 8 is used for storing fuel oil.
The cooling water tank 14 is used for loading deionized water, and the cooling water tank 14 comprises a first path of water inlet, a first path of water outlet, a second path of water inlet and a second path of water outlet; the first water outlet is connected with a cooling water inlet pipeline of the air arc plasma torch 3, and the first water inlet is connected with a water outlet pipeline of the air arc plasma torch 3; the second path of water inlet is connected with a cooling water outlet of the water chilling unit 11, and the second path of water outlet is connected with a water inlet of the water chilling unit 11; the water chilling unit 11 is used for cooling the deionized water, reducing the temperature of the water after heat exchange to a proper temperature, and introducing cooling water into the air arc plasma torch for heat exchange through the cooling water tank 14, so that the air arc plasma torch 3 is ensured to keep a proper working temperature.
The alkali liquor storage tank 15 is used for storing alkali liquor, and the outlet end of the alkali liquor storage tank 15 is connected with the quenching deacidification tower 7.
The induced draft fan 16 is arranged between the hydroxyl generator 10 and the chimney 17, one end of the induced draft fan 16 is connected with the hydroxyl generator 10, and the other end of the induced draft fan is connected with the chimney 17.
The control system comprises a power distribution cabinet 19, a control cabinet 20, a plasma torch power supply 21 and a control console 22, the power distribution cabinet 19 is connected with an external power supply, the power distribution cabinet 19 is respectively connected with the treatment system, the control cabinet 20 and the control console 22, one end of the control cabinet 20 is connected with the treatment system, and the other end of the control cabinet 20 is connected with the control console 22; one end of the plasma torch power supply 21 is connected with the power distribution cabinet 19, the other end of the plasma torch power supply 21 is connected with the air arc plasma torch, and the plasma torch power supply 21 is used for converting electric energy output by the power distribution cabinet into an electric energy form required by the air arc plasma torch.
The control cabinet 20 is connected to each device and instrument in the treatment system, and is configured to control and monitor a treatment operation state of each device and instrument in the treatment system, and the console 22 is connected to the control cabinet 20 and is configured to manually observe the operation state and input an operation instruction to the control cabinet 20.
The control area air conditioning system comprises an air conditioner internal unit and an air conditioner external unit, wherein the air conditioner internal unit is arranged in the control area, and the air conditioner external unit is arranged in the disposal area and is used for improving and adjusting the air environment of the control area; the air conditioner internal unit is used for regulating and controlling the temperature and humidity of the control area, electrical equipment and personnel are ensured to be in a proper air environment, the air conditioner external unit is arranged on the outer side of the heat preservation wall surface of the control area, and the air conditioner external unit is arranged above the induced draft fan.
The invention also provides a disposal method of the movable high-temperature plasma medical waste disposal shelter, which comprises the following steps:
1) the treatment shelter is transported to a place needing to be treated, after the outer vertical surface and the top surface of the shelter are removed, an external power supply cable, a water supply pipe and a water drainage pipe are connected, necessary detection is carried out, and preparation work is completed;
2) in the starting-up stage, an induced draft fan is opened to provide system aerodynamic force and a negative pressure environment;
3) the diesel oil burner provides heat energy to dry the plasma gasification furnace, and the temperature in the gasification furnace is raised to about 800 ℃;
4) starting an air arc plasma torch, raising the temperature in the plasma gasification melting furnace to over 1200 ℃, and completing preparation work before treatment;
5) the material lifting machine lifts and delivers the medical waste into a material inlet of the plasma gasification melting furnace;
6) the medical waste is reacted in the lower part of the plasma gasifying and melting furnace to gasify ① organic matter and decompose into CO and H2、CH4② a small amount of inorganic matters are melted at the bottom of the gasification melting furnace and discharged out of the plasma gasification melting furnace through a slag discharge port;
7) the inorganic matter molten slurry is discharged out of the furnace from a slag discharge port and then enters a slag dragging device for water quenching recovery;
8)CO、H2、CH4the micromolecule gas enters the upper part and the second combustion chamber section of the plasma gasification melting furnace and is mixed and combusted with air generated by an air compressor to form water vapor and CO2Mainly flue gas with the temperature of about 1000 ℃;
9) flue gas enters a quenching deacidification tower, and alkali liquor is sprayed in from a spray head, so that two functions are realized: firstly, rapidly reducing the temperature of the flue gas from 1000 ℃ to 200 ℃ and avoiding a dioxin compounding interval; secondly, alkali liquor reacts with a small amount of acid gas to remove the acid gas;
10) the flue gas after quenching and deacidification enters a bag-type dust remover to remove dust mixed in the flue gas;
11) the flue gas after dust removal enters a hydroxyl generator to remove residual organic matters with a small amount of odor and nitric oxides;
12) and sending the tail gas into a chimney through a draught fan to discharge clean tail gas.
Examples
The embodiment provides a movable high-temperature plasma medical waste treatment shelter and a treatment method, wherein the movable high-temperature plasma medical waste treatment shelter comprises a shelter body, a material lifting module, a gasification melting module, an aftertreatment module and a control module; the cabin body is divided into an equipment area and a control area, the material lifting module, the gasification melting module and the post-processing module are all arranged in the equipment area, the material lifting module, the gasification melting module and the post-processing module are sequentially connected, and the control module is arranged in the control area;
the gasification melting module comprises a plasma gasification melting furnace, an air arc plasma torch, a burner and a secondary combustion chamber section; the air arc plasma torch is arranged on the plasma gasification melting furnace, the burner is connected with the plasma gasification melting furnace, the upper part of the plasma gasification melting furnace is connected with one end of the secondary combustion chamber section, and the other end of the secondary combustion chamber section is connected with the post-treatment module; the top of the plasma gasification melting furnace is provided with a feeding hole, and the feeding hole is connected with the material lifting module;
the post-treatment module comprises a quenching deacidification tower, a bag-type dust remover and a hydroxyl generator; the inlet of the quenching deacidification tower is connected with the second combustion chamber section, the outlet of the quenching deacidification tower is connected with a bag-type dust remover, and the bag-type dust remover is connected with a hydroxyl generator; the high-temperature plasma gasification melting technology utilizes hundred kilowattsHigh-temperature high-speed plasma jet generated by the plasma torch forms a high-temperature reducing atmosphere with the temperature of more than 1200 ℃ in the plasma gasification melting furnace, the reaction speed of the waste is accelerated due to the high energy density and high temperature in the furnace, and organic matters are quickly gasified and decomposed into CO and H2、CH4The micromolecular gas is independent of the existence of free radicals, so that organic matters can be more effectively decomposed without generating dioxin; meanwhile, the inorganic matter is melted into the vitreous body, no fly ash exists, secondary pollution is avoided, complete harmless treatment of toxic and harmful substances is realized, the organic matter destruction rate is up to more than 99.99 percent, and the method is a waste treatment technology which is recognized at present and has the most obvious volume reduction effect, the most thorough harmless effect and the highest resource degree.
The movable high-temperature plasma medical waste treatment shelter has higher treatment efficiency, higher volume reduction rate and zero pollution emission; the plasma treatment technology accepted in the field of solid hazardous waste treatment is miniaturized and specifically designed, and the originally large-volume system is arranged in a 40-inch high-box container (12000mm (length) × 2400mm (width) × 3000mm (height)), so that the system is convenient to move in a vehicle-mounted mode, a ship-mounted mode and the like.
The control module comprises a power distribution cabinet, a control cabinet, a plasma torch power supply and a control console; the plasma torch power supply is connected with the power distribution cabinet, the control cabinet is connected with the plasma torch power supply, the material lifting module, the gasification melting module and the post-processing module, and the control console is connected with the control cabinet.
The material lifting module is a material lifting machine, and the bottom of the plasma gasification melting furnace is provided with a slag dragging device.
The combustor is the diesel oil combustor, and the combustor is connected with the diesel oil storage tank, and the diesel oil storage tank setting is placed on the fixed steel overhead on the bottom plate in the casing between rapid cooling deacidification tower and the sack cleaner, and the diesel oil storage tank outside is provided with safe steel cage.
The air arc plasma torch is connected with a water chilling unit and a deionized water tank, and the water chilling unit provides cooling water for the air arc plasma torch; the deionized water tank stores deionized cooling water for the air arc plasma torch; the water chilling unit is arranged on the side surface of the material lifting module; the deionized water tank is arranged on the side surface of the quenching deacidification tower.
The air arc plasma torch and the second combustion chamber section are both connected with an air compressor, and the outlet of the air compressor is provided with a pressure stabilizing tank; the air compressor is arranged on the side surface of the plasma gasification melting furnace.
The quenching deacidification tower is connected with an alkali liquor storage tank; the hydroxyl generator is connected with an induced draft fan, and the induced draft fan is connected with a chimney; the lye storage box is arranged on the deionized water box; the chimney is arranged on the side surface of the bag-type dust collector.
The shell is a cuboid sealed shell.
The main process comprises the following steps:
(1) the treatment shelter is transported to a place needing to be treated, after the outer vertical surface and the top surface of the shelter are removed, an external power supply cable, a water supply pipe and a water drainage pipe are connected, necessary detection is carried out, and preparation work is completed;
(2) in the starting-up stage, an induced draft fan is opened to provide system aerodynamic force and a negative pressure environment;
(3) the diesel oil burner provides heat energy to dry the plasma gasification furnace, and the temperature in the gasification furnace is raised to about 800 ℃;
(4) starting an air arc plasma torch, raising the temperature in the plasma gasification melting furnace to over 1200 ℃, and completing preparation work before treatment;
(5) the material lifting machine lifts and delivers the medical waste into a material inlet of the plasma gasification melting furnace;
(6) the medical waste is reacted at the lower part of the plasma gasification melting furnace: gasifying and decomposing organic matters into CO, H2, CH4 and other small molecular gases, and moving the small molecular gases upwards under the action of a draught fan; secondly, a small amount of inorganic matters are melted at the bottom of the gasification melting furnace and discharged out of the plasma gasification melting furnace through a slag discharge port;
(7) the inorganic matter molten slurry is discharged out of the furnace from a slag discharge port and then enters a slag dragging device for water quenching recovery;
(8)CO、H2、CH4the micromolecule gas enters the upper part and the second combustion chamber section of the plasma gasification melting furnace and is mixed and combusted with air generated by an air compressor to form waterSteam and CO2Mainly flue gas with the temperature of about 1000 ℃;
(9) flue gas enters a quenching deacidification tower, and alkali liquor is sprayed in from a spray head, so that two functions are realized: firstly, rapidly reducing the temperature of the flue gas from 1000 ℃ to 200 ℃ and avoiding a dioxin compounding interval; secondly, alkali liquor reacts with a small amount of acid gas to remove the acid gas;
(10) the flue gas after quenching and deacidification enters a bag-type dust remover to remove dust mixed in the flue gas;
(11) the flue gas after dust removal enters a hydroxyl generator to remove residual organic matters with a small amount of odor and nitric oxides;
(12) and sending the tail gas into a chimney through a draught fan to discharge clean tail gas.
Claims (10)
1. A movable high-temperature plasma medical waste treatment shelter is characterized by comprising a shelter body and a treatment system, wherein the shelter body is a shelter body, a treatment area is arranged in the shelter body, and the treatment system is arranged in the treatment area of the shelter body;
the disposal system comprises a material lifting device (1), a plasma gasification melting furnace (2), an air arc plasma torch (3), a slag dragging device (5), a secondary combustion chamber section (6), a quenching deacidification tower (7), a dust remover (9), a hydroxyl generator (10), an air compressor (12) and a chimney (17);
the material lifting device (1) is arranged at a feed inlet of the plasma gasification melting furnace (2), and the plasma gasification melting furnace (2) is used for carrying out plasma gasification decomposition treatment on medical wastes; the air arc plasma torch (3) is arranged on the plasma gasification melting furnace (2) and is used for providing plasma jet; the air inlet of the air arc plasma torch (3) is connected with the outlet of the air compressor (12);
the slag dragging device (5) is arranged at a slag discharge port of the plasma gasification melting furnace (2), and a flue gas outlet of the plasma gasification melting furnace (2) is connected with a flue gas inlet of the secondary combustion chamber section (6); the flue gas outlet of the second combustion chamber section (6) is connected with the flue gas inlet of the quenching deacidification tower (7); an air inlet of the second combustion chamber section (6) is connected with an outlet of the air compressor (12); the flue gas outlet of the quenching deacidification tower (7) is connected with the flue gas inlet of the dust remover (9), the flue gas outlet of the dust remover (9) is connected with the flue gas inlet of the hydroxyl generator (10), and the flue gas outlet of the hydroxyl generator (10) is connected with the chimney (17).
2. A mobile high temperature plasma medical waste disposal shelter as claimed in claim 1 wherein the disposal system further comprises a water chiller (11) and a cooling water tank (14); the cooling water tank (14) comprises a first path of water inlet, a first path of water outlet, a second path of water inlet and a second path of water outlet, the first path of water outlet is connected with a cooling water inlet pipeline of the air arc plasma torch (3), and the first path of water inlet is connected with a water outlet pipeline of the air arc plasma torch (3); the second path of water inlet is connected with a cooling water outlet of the water chilling unit (11), and the second path of water outlet is connected with a water inlet of the water chilling unit (11).
3. The portable high temperature plasma medical waste disposal shelter of claim 1, wherein the shelter further comprises a control area; the control area is an independent space and is provided with a heat-insulating wall surface; a control system is arranged in the control area;
the control system comprises a power distribution cabinet (19), a control cabinet (20), a plasma torch power supply (21) and a control console (22), the power distribution cabinet (19) is connected with an external power supply, the power distribution cabinet (19) is respectively connected with the treatment system, the control cabinet (20), the plasma torch power supply (21) and the control console (22), one end of the control cabinet (20) is connected with the treatment system, and the other end of the control cabinet (20) is connected with the control console (22); one end of a plasma torch power supply (21) is connected with the air arc plasma torch (3), and the other end is connected with a power distribution cabinet (23).
4. A mobile high temperature plasma medical waste disposal shelter as claimed in claim 1 wherein the lifting means (1) is a lifter.
5. The movable high-temperature plasma medical waste treatment shelter of claim 1, wherein the treatment system further comprises an induced draft fan (16), the induced draft fan (16) is arranged between the hydroxyl generator (10) and the chimney (17), one end of the induced draft fan (16) is connected with the hydroxyl generator (10), and the other end is connected with the chimney (17); the quenching deacidification tower (7) is connected with an alkali liquor storage tank (15), the alkali liquor storage tank (15) is used for storing alkali liquor, and the outlet end of the alkali liquor storage tank (15) is connected with the quenching deacidification tower (7).
6. The movable high-temperature plasma medical waste treatment shelter as claimed in claim 1, wherein the treatment system further comprises a burner (4) and an oil storage tank (8), an outlet of the burner (4) is connected with a tail port of the plasma gasification melting furnace (2), and an oil outlet of the oil storage tank (8) is connected with an oil inlet of the burner (4).
7. A mobile high temperature plasma medical waste disposal shelter as claimed in claim 1 wherein the outlet of the air compressor (12) is provided with a surge tank (13).
8. The portable high temperature plasma medical waste disposal shelter of claim 1, further comprising a control area air conditioning system for improved conditioning of the air environment of the control area; the control area air conditioning system comprises an air conditioner internal unit and an air conditioner external unit, wherein the air conditioner internal unit is arranged in the control area, and the air conditioner external unit is arranged in the disposal area.
9. The portable high temperature plasma medical waste disposal shelter of claim 1, wherein the shelter is a cuboid container.
10. A method of high temperature plasma medical waste disposal using a mobile high temperature plasma medical waste disposal shelter as claimed in any one of claims 1 to 9, comprising the steps of:
starting the plasma gasification melting furnace to raise the temperature of the plasma gasification melting furnace to over 1200 ℃;
putting the medical waste to be treated into a plasma gasification melting furnace, and carrying out plasma gasification melting reactionObtaining inorganic matter molten slurry and small molecular gas; wherein the small molecule gas is CO or H2And CH4One or more of;
performing water quenching recovery on the inorganic matter molten slurry by adopting a slag dragging device;
the micromolecule gas passes through the second combustion chamber section to be combusted secondarily, so that high-temperature flue gas is obtained;
after the high-temperature flue gas is subjected to quenching deacidification treatment, dedusting treatment and denitrification treatment in sequence, clean tail gas is obtained and is discharged through a chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491515.1A CN111536522A (en) | 2020-06-02 | 2020-06-02 | Movable high-temperature plasma medical waste disposal shelter and disposal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491515.1A CN111536522A (en) | 2020-06-02 | 2020-06-02 | Movable high-temperature plasma medical waste disposal shelter and disposal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111536522A true CN111536522A (en) | 2020-08-14 |
Family
ID=71972481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010491515.1A Pending CN111536522A (en) | 2020-06-02 | 2020-06-02 | Movable high-temperature plasma medical waste disposal shelter and disposal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111536522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479941A (en) * | 2021-12-28 | 2022-05-13 | 宁波中能连通机械有限公司 | Medium-low temperature gasification equipment for treating carbon-containing solid waste |
-
2020
- 2020-06-02 CN CN202010491515.1A patent/CN111536522A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479941A (en) * | 2021-12-28 | 2022-05-13 | 宁波中能连通机械有限公司 | Medium-low temperature gasification equipment for treating carbon-containing solid waste |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103438461B (en) | A kind of integral type pyrolysis restoring system and waste disposal method | |
| CN102433139B (en) | Garbage cracking purification device and garbage cracking purification treatment process | |
| CN202141056U (en) | Integration system of hazardous waste burning and burning fly ash melting and solidification | |
| CN111006221A (en) | System and method for hazardous waste incineration | |
| CN111536522A (en) | Movable high-temperature plasma medical waste disposal shelter and disposal method | |
| CN111774410B (en) | Medical waste low temperature carbonization treatment system | |
| CN211952789U (en) | Distributed medical waste incineration treatment system | |
| CN213334395U (en) | Movable high-temperature plasma medical waste disposal shelter | |
| CN111536521A (en) | High-temperature plasma organism disposal shelter and disposal method | |
| CN201697133U (en) | Garbage incinerator | |
| JP2005127682A (en) | Induction heating type pyrolizing furnace | |
| RU88103U1 (en) | MOBILE WASTE PROCESSING PLANT | |
| CN104588399A (en) | Refuse disposal combined power generator | |
| CN212408672U (en) | High-temperature plasma organism treatment shelter | |
| CN210814727U (en) | Distributed household garbage low-temperature reduction harmless system | |
| CN111536534A (en) | High-temperature plasma organic waste liquid treatment shelter and treatment method | |
| CN113124411A (en) | Fluorine-containing hazardous waste treatment process | |
| CN202045124U (en) | Plasma medical solid waste in-situ disposal device | |
| CN202359072U (en) | Refuse cracking-purifying equipment | |
| CN212456861U (en) | Community case screening system based on harmless disposal of infectious waste | |
| CN110553273A (en) | Hazardous waste incineration double-dry-method flue gas treatment system and treatment method | |
| CN212987245U (en) | High-temperature plasma organic waste liquid disposal shelter | |
| RU102979U1 (en) | PLASMA INJECTOR | |
| CN214370217U (en) | Medical waste incineration treatment device capable of supplying hot water and purifying smoke | |
| CN214791158U (en) | Useless processing system of fluorine-containing danger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |