CN106016273B - Handle the plasma reaction system and its method of work of hazardous waste - Google Patents
Handle the plasma reaction system and its method of work of hazardous waste Download PDFInfo
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- CN106016273B CN106016273B CN201610344493.XA CN201610344493A CN106016273B CN 106016273 B CN106016273 B CN 106016273B CN 201610344493 A CN201610344493 A CN 201610344493A CN 106016273 B CN106016273 B CN 106016273B
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- Prior art keywords
- vaporizer
- hazardous waste
- air inlet
- reaction system
- pyrolysis chamber
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Classifications
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- 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
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- 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
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- 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
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- 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
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- 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
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
- Treating Waste Gases (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of plasma reaction system and its method of work for handling hazardous waste, including vaporizer, vaporizer bottom is provided with air inlet, and plasma fire cabinet is provided with above air inlet in vaporizer；Pyrolysis chamber is provided with above vaporizer, four axle disintegrating machines are provided with above pyrolysis chamber, pyrolysis chamber's side has the gas vent being connected with clean room's air inlet.The plasma reaction system of the processing hazardous waste realizes the control of full automation to course of reaction, handles the expense needed for hazardous waste and the time all greatly reduces, innoxious, minimizing and recycling are accomplished in realization.
Description
Technical field
The present invention relates to a kind of plasma reaction system and its method of work for handling hazardous waste.
Background technology
《According to hazardous waste disposal engineering fire protection technology》Defining current dangerous waste disposal method has：Security landfill, burn
Burn disposal and non-incineration disposal；These medical waste treatment facilities and dangerous waste disposal center of planning construction, disposing technique
Based on burning, non-incineration disposal and landfill comprehensive utilization supplemented by, medical wastes incineration using be pyrolyzed with Rotation error as
Recommend the type of furnace, dangerous waste incinerator is then proposed with Rotation error.
Therefore, incineration technology turns into domestic disposal hazardous waste over 10 years（Containing clinical waste）Main disposing technique.But
The problem of being waste incineration maximum is exactly dioxin contamination problem, and in recent years, this problem is increasingly by the public and each side
Concern.The problem of secondary pollution, bioxin/furans discharge beyond standards be present to be that public's sensitivity is asked in incinerator
Topic, public's resistance seek greatly a kind of non-secondary pollution and new hazardous waste treatment technology-electricity Wu bioxin/furan emissions very much
Arc plasma hazardous waste treatment technology.
The content of the invention
In view of this, it is an object of the invention to provide one kind to occupy little space, good in economic efficiency processing hazardous waste
Plasma reaction system and its method of work.
The present invention is realized using following scheme：A kind of plasma reaction system for handling hazardous waste, including vaporizer,
Vaporizer bottom is provided with air inlet, and plasma fire cabinet is provided with above air inlet in vaporizer；On vaporizer
Side is provided with pyrolysis chamber, and four axle disintegrating machines are provided with above pyrolysis chamber, and pyrolysis chamber's side has and clean room's air inlet phase
The gas vent of connection.
Further, be provided with the first opposite opened valve plate between the pyrolysis chamber and four axle disintegrating machines, the pyrolysis chamber with
It is provided with the second opposite opened valve plate between vaporizer, connection pyrolysis chamber and vaporizer is offered on the second opposite opened valve plate
Air-vent.
Further, vaporizer bottom is provided with slag notch, and clean room bottom is provided with reactant exit.
Further, connection air inlet and the serpentine channel of gas outlet are provided with the clean room, position in serpentine channel
Go out to be provided with plasma fire cabinet in air inlet；The clean room gas outlet is connected with blast pipe, and edge is vented on the blast pipe
Direction is disposed with chilling tower, extracting tower, active coke desulphurizing adsorption tower, air-introduced machine and chimney.
Further, exhaust branch pipe is connected to by the pipeline section on the blast pipe between clean room and chilling tower, it is described
Exhaust branch pipe outlet side is connected with high pressure positive blower air inlet, and high pressure positive blower air outlet is connected with plenum chamber, the plenum chamber warp
Air inlet pipe is connected with the air inlet of the vaporizer.
Further, the exhaust branch pipe inlet end is provided with filter, and exhaust branch pipe outlet side is also other to be connected to air benefit
Pipe is filled, regulating valve is provided with the air supplement pipe.
A kind of method of work for the plasma reaction system for handling hazardous waste, including a kind of processing danger as described above
The plasma reaction system of dangerous waste, and carry out according to the following steps：（1）By hazardous waste through four axle crusher in crushing to 30mm
~60mm；（2）Control the first opposite opened valve plate to open, it is broken after hazardous waste enter pyrolysis chamber, the is closed when reaching predetermined volumes
A pair of open type valve plates；（3）Heat is entered by the air-vent of the second opposite opened valve plate using the high-temperature gas of plasma gasification room
Solve the preliminary pyrolysis that room is carried out 2~3 minutes to broken rear hazardous waste；（4）The second opposite opened valve plate is opened, is made through preliminary pyrolysis
Hazardous waste enter vaporizer, using plasma fire cabinet produce more than 3000 DEG C of high-temperature gas make it is organic in hazardous waste
Thing gasifies, and inorganic matter changes into harmless waste residue；（4）In plasma bombardment when process gas caused by vaporizer enters clean room
Lower macromolecule or macromolecular substances total overall reaction change into simple substance composition or gas；（5）Gas is in clean room caused by reaction
Purification, and discharged after chilling tower, extracting tower, the processing of active coke desulphurizing adsorption tower.
Compared with prior art, the invention has the advantages that：
（1）Hot plasma has higher temperature and energy density, its thermal conversion efficiency 50% left side higher than burning process
The right side, the maximum heat flux of an oxygen-fuel flame is about 0.3 kW/cm2, and the heat flux of a direct current transferred arc
About 16.0 kW/cm2 can be reached.
（2）Gas volume required for maintaining plasma arcs is few more many than the incinerator by fuel combustion, for place
The material of the given quantity of reason, the gas volume needed for plasma system is only 10% or so of gas needed for fuel incinerator, this
Also imply that the exhaust treatment system for plasma system can greatly simplify.
（3）The energy supply of the system being capable of independent control, i.e. oxidisability, reduction with the concentration of oxygen in system
Property and inert gas environment are independently of the temperature of reactor, and this causes in high reproducibility or inert gas environment
Down there is high flux of energy to be possibly realized.
（4）Poisonous and harmful waste can be completely abolished, the volume and size of device are much smaller, can be to course of reaction
Full automation control, required expense and time is all less.
（5）Innoxious, minimizing and recycling are truly realized, gasification is completed under anaerobic condition, it is not necessary to oxygen
Participate in, and operate relatively easy, unharmful substance and pernicious gas generation.
For the objects, technical solutions and advantages of the present invention are more clearly understood, specific embodiment and phase will be passed through below
Accompanying drawing is closed, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is organigram of the embodiment of the present invention；
Fig. 2 is local structure schematic diagram of the embodiment of the present invention；
Label declaration in figure：1- vaporizers, 2- air inlets, 3- plasma fire cabinet, 4- pyrolysis chambers, the axle disintegrating machines of 5- tetra-,
6- clean rooms, 7- gas vents, the first opposite openeds of 8- valve plate, the second opposite openeds of 9- valve plate, 10- air-vents, 11- slag notches, 12-
Reactant exit, 13- serpentine channels, 14- blast pipes, 15- chillings tower, 16- extracting towers, 17- active coke desulphurizings adsorption tower, 18-
Air-introduced machine, 19- chimneys, 20- exhaust branch pipes, 21- high pressure positive blowers, 22- plenum chambers, 23- air inlet pipe, 24- filters, 25- air
Supplement pipe, 26- regulating valves.
Embodiment
As shown in Figure 1 and 2, a kind of plasma reaction system for handling hazardous waste, including vaporizer 1, the bottom of vaporizer 1
Portion is provided with air inlet 2, and plasma fire cabinet 3 is provided with above air inlet 2 in vaporizer 1；Set above vaporizer 1
Pyrolysis chamber 4 is equipped with, four axle disintegrating machines 5 are provided with above pyrolysis chamber 4, the side of pyrolysis chamber 4 has and the air inlet phase of clean room 6
The gas vent 7 of connection, the top of four axle disintegrating machines 5 are provided with hopper, and the fragment of four axle disintegrating machines 5 falls directly into pyrolysis chamber
In 4, fallen into after being pyrolyzed by pyrolysis chamber 4 in vaporizer 1, it is a kind of up to 5000 using being produced in vaporizer in gas ions fire cabinet 3
DEG C highly ionized high-temperature gas so that the organic matter in waste after broken can Efficient Conversion into synthesis gas（Predominantly
CO and H2）, and inorganic matter then becomes harmless lime-ash, waste completes the time of conversion 0.01 by plasma chemical reaction
~0.50 s, is swift in response；In top be gas in vaporizer, middle part is melten glass body, bottom be metal simple-substance/
Siliceous class slag.
In the present embodiment, the first opposite opened valve plate 8, the heat are provided between the axle disintegrating machine 5 of pyrolysis chamber 4 and four
The second opposite opened valve plate 9 is provided between solution room 4 and vaporizer, connection pyrolysis chamber 4 is offered on the second opposite opened valve plate 9
With the air-vent 10 of vaporizer 1, the first opposite opened valve plate 8 and the second opposite opened valve plate 9 drive folding, vaporizer by electric pushrod
High-temperature gas entered by air-vent 10 on the second opposite opened valve plate 9 in pyrolysis chamber hazardous solid waste after broken carried out
Heating, make moisture evaporation, the volatilization of low melting point composition.
In the present embodiment, the bottom of vaporizer 1 is provided with slag notch 11, and the bottom of clean room 6 is provided with reactant exit 12.
In the present embodiment, connection air inlet and the serpentine channel 13 of gas outlet are provided with the clean room 6, it is snakelike logical
Go out to be provided with plasma fire cabinet positioned at air inlet in road 13；The gas outlet of clean room 6 is connected with blast pipe 14, the exhaust
On pipe 14 chilling tower 15, extracting tower 16, active coke desulphurizing adsorption tower 17, air-introduced machine 18 and chimney are disposed with along discharge directions
19, the process gas of discharge is handled, macromolecule or macromolecular under plasma bombardment when process gas enters clean room
The chemical bond rupture of material is completely converted into the materials such as simple substance composition, oxygen, can completely abolish poisonous and harmful waste；Produce
Gas then discharged after indoor purifying is purified and after a series of processing.
In the present embodiment, it is connected to exhaust by the pipeline section on the blast pipe 14 between clean room 6 and chilling tower 15
Branch pipe 20, the outlet side of exhaust branch pipe 20 are connected with the air inlet of high pressure positive blower 21, the air outlet of high pressure positive blower 21 and plenum chamber 22
It is connected, the plenum chamber 22 is connected through air inlet pipe 23 with the air inlet 2 of the vaporizer.
In the present embodiment, the inlet end of exhaust branch pipe 20 is provided with filter 24, and exhaust branch pipe outlet side is also other to be connect
There is air to supplement pipe 25, regulating valve 26, the recovery section flue gas of exhaust branch pipe 20 and and air are provided with the air supplement pipe
Injected after mixing in vaporizer, provide the working gas needed for heating for vaporizer, select different types of working gas to make
Plasma system is operated in the environment of oxidation, reduction or inertia, and different working environments has different functions, such as oxygen
The property changed environment is commonly used to abolish organic hazardous waste；Reproducibility environment is usually used to extraction metal, and solidification contains a poisonous huge sum of money
The waste of category such as flying dust etc..
A kind of method of work for the plasma reaction system for handling hazardous waste, including a kind of processing danger as described above
The plasma reaction system of dangerous waste, and carry out according to the following steps：（1）By hazardous waste（HW02、HW03、HW04、HW11、
HW14~HW36 etc.）Through four axle crusher in crushing to 30mm ~ 60mm；（2）The first opposite opened valve plate is controlled to open, it is dangerous after crushing
Waste enters pyrolysis chamber, and the first opposite opened valve plate is closed when reaching predetermined volumes；（3）Utilize the High Temperature Gas of plasma gasification room
Body enters preliminary pyrolysis of the pyrolysis chamber to broken rear hazardous waste progress 2~3 minutes by the air-vent of the second opposite opened valve plate,
Make moisture evaporation, the volatilization of low melting point composition；（4）The second opposite opened valve plate is opened, the hazardous waste through being tentatively pyrolyzed is entered gas
Change room, more than 3000 DEG C of high-temperature gas is produced using plasma fire cabinet makes organic matter in hazardous waste gasify, and inorganic matter turns
It is melted into harmless waste residue（Vitreum and the metal simple-substance of melting/siliceous class slag）；（4）Process gas caused by vaporizer enters
Macromolecule or macromolecular substances total overall reaction change into simple substance composition or gas under plasma bombardment during clean room；Can be complete
The full poisonous and harmful waste abolished in process gas；（5）Gas caused by reaction purification indoor purifying, and through chilling tower,
Discharged after extracting tower, the processing of active coke desulphurizing adsorption tower.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (5)
- A kind of 1. method of work for the plasma reaction system for handling hazardous waste, it is characterised in that：It is dangerous useless including processing The plasma reaction system of thing, handling the plasma reaction system of hazardous waste includes vaporizer, and vaporizer bottom is set There is air inlet, plasma fire cabinet is provided with above air inlet in vaporizer；Pyrolysis chamber is provided with above vaporizer, Four axle disintegrating machines are provided with above pyrolysis chamber, pyrolysis chamber's side has the gas vent being connected with clean room's air inlet； The first opposite opened valve plate is provided between the pyrolysis chamber and four axle disintegrating machines, is provided between the pyrolysis chamber and vaporizer Two opposite opened valve plates, the air-vent of connection pyrolysis chamber and vaporizer is offered on the second opposite opened valve plate；The work side Method is carried out according to the following steps：（1）By hazardous waste through four axle crusher in crushing to 30mm ~ 60mm；（2）Control the first opposite opened valve Plate is opened, and broken rear hazardous waste enters pyrolysis chamber, and the first opposite opened valve plate is closed when reaching predetermined volumes；（3）Utilize etc. from The high-temperature gas of daughter vaporizer enters pyrolysis chamber by the air-vent of the second opposite opened valve plate and carries out 2 to broken rear hazardous waste The preliminary pyrolysis of~3 minutes；（4）The second opposite opened valve plate is opened, the hazardous waste through being tentatively pyrolyzed is entered vaporizer, is utilized The high-temperature gas that plasma fire cabinet produces more than 3000 DEG C makes organic matter in hazardous waste gasify, and inorganic matter changes into harmless useless Slag；（4）Macromolecule or macromolecular substances are whole under plasma bombardment when process gas caused by vaporizer enters clean room Reaction changes into simple substance composition or gas；（5）Gas caused by reaction is purifying indoor purifying, and through chilling tower, extracting tower, work Property the processing of Jiao's desulfurization adsorption tower after discharge.
- 2. the method for work of the plasma reaction system of processing hazardous waste according to claim 1, it is characterised in that： Vaporizer bottom is provided with slag notch, and clean room bottom is provided with reactant exit.
- 3. the method for work of the plasma reaction system of processing hazardous waste according to claim 1, it is characterised in that： Connection air inlet and the serpentine channel of gas outlet are provided with the clean room, goes out to be provided with positioned at air inlet in serpentine channel Gas ions fire cabinet；The clean room gas outlet is connected with blast pipe, and chilling is disposed with along discharge directions on the blast pipe Tower, extracting tower, active coke desulphurizing adsorption tower, air-introduced machine and chimney.
- 4. the method for work of the plasma reaction system of processing hazardous waste according to claim 3, it is characterised in that： Exhaust branch pipe, the exhaust branch pipe outlet side and height are connected to by pipeline section on the blast pipe between clean room and chilling tower Pressure fan air inlet connects, and high pressure positive blower air outlet is connected with plenum chamber, and the plenum chamber is through air inlet pipe and the vaporizer Air inlet be connected.
- 5. the method for work of the plasma reaction system of processing hazardous waste according to claim 4, it is characterised in that： The exhaust branch pipe inlet end is provided with filter, and exhaust branch pipe outlet side is also other to be connected to air supplement pipe, the air supplement Regulating valve is provided with pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344493.XA CN106016273B (en) | 2016-05-24 | 2016-05-24 | Handle the plasma reaction system and its method of work of hazardous waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344493.XA CN106016273B (en) | 2016-05-24 | 2016-05-24 | Handle the plasma reaction system and its method of work of hazardous waste |
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| CN106016273A CN106016273A (en) | 2016-10-12 |
| CN106016273B true CN106016273B (en) | 2018-02-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401786A (en) * | 2018-11-08 | 2019-03-01 | 山西普皓环保科技有限公司 | A kind of plasma device handling clinical waste |
| CN109827180A (en) * | 2019-03-28 | 2019-05-31 | 上海宝达环境科技有限公司 | A kind of waste cracking furnace double grate structure |
| CN110328214B (en) * | 2019-07-10 | 2022-03-08 | 中山大学 | Multistage plasma treatment method and system for ship solid waste |
| CN112980477A (en) * | 2021-02-05 | 2021-06-18 | 中科云越(北京)科技发展有限公司 | Biomass continuous high-efficiency thermal cracking gasification device of distributed thermal plasma torch |
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| WO2003018721A1 (en) * | 2001-08-22 | 2003-03-06 | Global Plasma Systems Group, Inc. | Plasma pyrolysis, gasification and vitrification of organic material |
| CN1646858A (en) * | 2002-02-18 | 2005-07-27 | E.E.R.环境能源(以色列)有限公司 | Recycling system for a waste processing plant |
| CN203628674U (en) * | 2013-07-08 | 2014-06-04 | 上海灿州环境工程有限公司 | Whole-set hazardous waste incinerator device |
| CN104896481A (en) * | 2015-06-11 | 2015-09-09 | 凯天环保科技股份有限公司 | Garbage incinerator and smoke gas purification plant for its application |
| CN104976622A (en) * | 2015-08-05 | 2015-10-14 | 中国东方电气集团有限公司 | Household garbage classified gasification system with rotary kiln gasification and plasma fusion capability |
| CN205782959U (en) * | 2016-05-24 | 2016-12-07 | 欧尔东（朝阳）环保设备有限公司 | A kind of plasma reaction system for processing hazardous waste |
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2016
- 2016-05-24 CN CN201610344493.XA patent/CN106016273B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003018721A1 (en) * | 2001-08-22 | 2003-03-06 | Global Plasma Systems Group, Inc. | Plasma pyrolysis, gasification and vitrification of organic material |
| CN1646858A (en) * | 2002-02-18 | 2005-07-27 | E.E.R.环境能源(以色列)有限公司 | Recycling system for a waste processing plant |
| CN203628674U (en) * | 2013-07-08 | 2014-06-04 | 上海灿州环境工程有限公司 | Whole-set hazardous waste incinerator device |
| CN104896481A (en) * | 2015-06-11 | 2015-09-09 | 凯天环保科技股份有限公司 | Garbage incinerator and smoke gas purification plant for its application |
| CN104976622A (en) * | 2015-08-05 | 2015-10-14 | 中国东方电气集团有限公司 | Household garbage classified gasification system with rotary kiln gasification and plasma fusion capability |
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| CN106016273A (en) | 2016-10-12 |
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