CN109654509A - A kind of corona treatment danger wastes device - Google Patents
A kind of corona treatment danger wastes device Download PDFInfo
- Publication number
- CN109654509A CN109654509A CN201910048715.7A CN201910048715A CN109654509A CN 109654509 A CN109654509 A CN 109654509A CN 201910048715 A CN201910048715 A CN 201910048715A CN 109654509 A CN109654509 A CN 109654509A
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- Prior art keywords
- plasma
- melting furnace
- outlet
- danger wastes
- corona treatment
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- 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.)
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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
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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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
- F23G5/08—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
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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
- F23G5/44—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
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of corona treatment danger wastes devices, including pretreatment system, plasma melting furnace system, smoke processing system, pretreatment system is connect with plasma melting furnace system, and plasma melting furnace system is connect with smoke processing system.The purpose of the present invention is to provide a kind of corona treatment danger wastes devices non-hazardous, increase-volume rate is low, treatment effeciency is high.
Description
Technical field
The present invention relates to Waste Disposal Technology field, in particular to a kind of corona treatment danger wastes device.
Background technique
The huge danger wastes yield of China, caused by processing market demand notch it is huge.2016 dangerous useless
Gurry yield is up to 4,4,500,000 tons, only 3,7,300,000 tons of actual treatment amount.It is illegally disposed in view of a large amount of hazardous wastes, it is real
The legal processes rate on border may be lower.It is seriously polluted due to hazardous waste bring and is potentially seriously affected, in industry prosperity
National Hazard waste has been known as " political waste ", and the public is very sensitive to hazardous waste problem, opposes in the area that oneself is lived
Dangerous waste disposal field is set up, in addition the disposal costs of hazardous waste are high, some companies strongly attempt to the undeveloped state of industry
Family and area transfer hazardous waste.
Currently, the major technique of processing danger wastes has: biological treatment, heat treatment and curing process.
Biological treatment: biological treatment is using organic matter degradable in microorganism decomposition solid waste, to reach nothing
Evilization or comprehensive utilization.Bioremediation includes Aerobic Process for Treatment, Anaerobic Treatment and amphimicrobian processing.Biological treatment process institute
Take time length, and treatment effeciency is not sufficiently stable.
Heat treatment: heat treatment is by high temperature and to change solid waste the Nomenclature Composition and Structure of Complexes, while reaching volume reduction, harmless
The purpose changed or comprehensively utilized.Its method includes incineration, pyrolysis, wet oxidation and roasting, sintering etc..Calorific value is higher or toxicity
Biggish waste using incineration treatment technology carry out harmless treatment, and recycle waste gas of incineration for comprehensively utilize with object/change at
Reason and worker's bathing, life etc. reduce the waste of processing cost and the energy.Common heat treatment technics is rotary kiln thermal treatment
Danger wastes technology, but its resolution low efficiency for handling PCB can generate the secondary pollutions such as bottom ash again.
Curing process: curing process is that waste is fixed or coated using curing substrate, to reduce its harm to environment,
It is a kind for the treatment of process relatively safe transported with disposal of wastes, is mainly used for harmful waste and radioactive waste, common consolidates
Change technology is cement solidification technology, and cement solidification technology increase-volume rate is higher, and volume is big more than the volume of former waste after solidification.Together
When, by taking incineration of refuse flyash as an example, by middle chloride ion influenced it is cured after building block in iron, copper, zinc plasma be easy leach
And cause pollutant exceeded.
Therefore, it is necessary to design a kind of hazardous waste disposal device non-hazardous, increase-volume rate is low, treatment effeciency is high.
Summary of the invention
The purpose of the present invention is to provide a kind of corona treatment danger wastes devices, to solve above-mentioned background technique
The biological treatment efficiency of middle proposition is low, curing process increase-volume rate is higher, is heat-treated the problem of being easy secondary pollution.
To achieve the above object, the invention provides the following technical scheme: a kind of corona treatment danger wastes device,
Including pretreatment system, plasma melting furnace system, smoke processing system, the pretreatment system and the plasma are molten
Melt furnace system connection, the plasma melting furnace system is connect with the smoke processing system.
Preferably, the pretreatment system includes raw material cabin, additive bin, screw conveyor, molding machine, Belt Conveying
Machine, the screw conveyor are sequentially arranged above with the raw material cabin, the additive bin, the output of the screw conveyor
End is connect with the import of the molding machine, and the belt conveyor is equipped with below the outlet of the molding machine.
Preferably, the plasma melting furnace system includes plasma melting furnace, plasma generator, described etc.
Around three plasma generators of distribution in gas ions melting furnace, the entrance of the plasma melting furnace is located at described
The lower section of belt conveyor output end.
Preferably, the smoke processing system includes dual firing chamber, heat exchanger, bag filter, air-introduced machine, desulfurizing tower, institute
State outlet and the inlet communication of the dual firing chamber of plasma melting furnace, the outlet of the dual firing chamber and the heat exchanger into
Mouthful connection, outlet and the inlet communication of the bag filter of the heat exchanger, the outlet of the bag filter with it is described
The inlet communication of air-introduced machine, the outlet of the air-introduced machine and the inlet communication of desulfurizing tower.
Preferably, the outlet of the heat exchanger also passes through bypass flue with the import of the air-introduced machine and is connected to.
Compared with prior art, the beneficial effects of the present invention are: a kind of corona treatment danger wastes of the invention
Device, including pretreatment system, plasma melting furnace system, smoke processing system, pretreatment system and plasma fusion
Furnace system connection, plasma melting furnace system are connect with smoke processing system.Since the waste residue amount being discharged through melting furnace is few,
Much smaller than the volume than former waste, the volume reduction of danger wastes is realized；The organic matters such as dioxin decompose at high temperature, nothing
Vitreum is generated after machine object slag water quenching, heavy metal is cured, and leaching rate is extremely low, can reach environmental protection standard requirement, realizes pair
For the harmless treatment of danger wastes；By the combination of pretreatment system, melting furnace system, the devices such as smoke processing system,
The quick processing to danger wastes is realized, the processing time of danger wastes is greatly shortened.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1- raw material cabin；2- additive bin；3- screw conveyor；4- molding machine；5- belt conveyor；6- plasma
Body melting furnace；7- plasma generator；8- dual firing chamber；9- heat exchanger；10- bypass flue；11- bag filter；12- air inducing
Machine；13- desulfurizing tower.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of corona treatment danger wastes device, including pretreatment system,
Plasma melting furnace system, smoke processing system, the pretreatment system are connect with the plasma melting furnace system, institute
Plasma melting furnace system is stated to connect with the smoke processing system.
Preferred technical solution is that the pretreatment system includes raw material cabin 1, additive bin 2, screw conveyor 3, molding
Machine 4, belt conveyor 5, the screw conveyor 3 is sequentially arranged above with the raw material cabin 1, the additive bin 2, described
The output end of screw conveyor 3 is connect with the import of the molding machine 4, is equipped with below the outlet of the molding machine 4 described
Belt conveyor 5.Raw material cabin 1 includes material stock, discharging and weighing-appliance, and discharge method is to let out under gravity, while Weighing control goes out
Expect speed and manually stops discharging process.Additive bin 2 is for adding special adhesive.Screw conveyor 3 is a kind of using electric
Machine drives spiral revolution, elapses material transferring to molding machine 4.Molding machine 4 uses roll type ball press, by the dangerous waste of certain mass
Raw material and auxiliary material are sent into closed blender and are sufficiently stirred, and add special adhesive, are granulated into and formulate shape ruler
Very little, mechanical strength shape.
Preferred technical solution is that the plasma melting furnace system includes plasma melting furnace 6, plasma hair
Device 7 is given birth to, three plasma generators 7 of distribution, the plasma melting furnace are surround in the plasma melting furnace 6
6 entrance is located at the lower section of 5 output end of belt conveyor.Plasma melting furnace 6 is using plasma generator 7 as heat
Three plasma generators 7 are sequentially arranged in plasma generator by source, and plasma generator is non-diverting for generating
Plasma jet uses air as Working medium gas, employs nitrogen as cathodic protection gas, the high, hot-fluid using its temperature
The high feature of density completes pyrolysis, the melting of danger wastes.Plasma is after solid-state, liquid and gaseous state by conduct
4th kind of state, when a kind of gas is heated to very high temperature, its characteristic is just changed, at about 2000 DEG C,
Gas molecule starts to decompose and become monatomic.At about 3000 DEG C, atom starts to lose the electronics of its some door, such gas
Body reforms into ionized state, and this ionized gas is referred to as gaseous plasma.Plasma has good electric conductivity
With very high enthalpy, plasma also releases a large amount of heat radiation simultaneously.
Preferred technical solution is that the smoke processing system includes dual firing chamber 8, heat exchanger 9, bag filter 11, draws
Blower 12, desulfurizing tower 13, the outlet of the plasma melting furnace 6 and the inlet communication of the dual firing chamber 8, the dual firing chamber 8
Outlet and the inlet communication of the heat exchanger 9, the outlet of the heat exchanger 9 and the inlet communication of the bag filter 11,
The outlet of the bag filter 11 and the inlet communication of the air-introduced machine 12, outlet and the desulfurizing tower 13 of the air-introduced machine 12
Inlet communication.It is thoroughly decomposed to make not burn substance, reaches emission request, it is combustion-supporting that dual firing chamber 8 is provided with burner, is configured with
Unique secondary air supply device to guarantee that flue gas comes into full contact with oxygen at high temperature, while guaranteeing flue gas in the stagnant of dual firing chamber
The time is stayed, and volume of air supply is adjusted according to the oxygen content of dual firing chamber's exiting flue gas.Temperature is controlled at 1200 DEG C in dual firing chamber, and
Ensure that the residence time is greater than 2s, decomposes flue gas sufficiently in furnace and burn, to reach higher resolution ratio.Meanwhile in flue gas
Large-sized dust falls into dual firing chamber bottom and completes primary dedusting.90% is greater than for the dust efficiency of dust collection of 40um partial size.In order to avoid
Ash-laden gas is directly entered heat exchanger, and big partial size dust is deposited in heat exchanger outer wall, resulted in blockage.In order to drop flue gas rapidly
Temperature, thus the generation once again for avoiding two evils from answering, heat exchanger 9 uses water cooling heat exchanger, cold after high-temperature flue gas is exchanged with water- to-water heat exchanger
Heat exchanger can make to be rapidly reduced to 160 DEG C from 1100 DEG C in flue-gas temperature very short time, into subsequent processing facility.Cloth bag removes
Dirt device 11 uses corrosion-resistant PPS membrane bag filter.Air-introduced machine 12 is to generate negative pressure by wheel rotation, and then from bag filter 11
Interior extraction flue gas.Desulfurizing tower 13 is the tower equipment for carrying out desulfurization process to flue gas using moisture film desulfurization and dedusting principle.
Preferred technical solution is that the outlet of the heat exchanger 9 and the import of the air-introduced machine 12 also pass through bypass flue
10 connections, can be prevented by bypass flue 10 when bag filter blocks, flue gas can be entered from bypass flue 10 to be drawn
In blower 12, high pressure is prevented, leads to the generation of accident.
Working principle: pretreatment system is used to danger wastes adding auxiliary material and granulation, meets plasma melting furnace
Use condition, plasma melting furnace system will enter 6 body of plasma melting furnace by pretreated danger wastes
It is interior, molten condition is heated to by plasma generator 7, and be discharged by slag-drip opening and glassy solids particle, cigarette is made
Gas processing system is mainly by the flue gas after furnace body is heated at high temperature, through the cooling of heat exchanger 9, by 11 dedusting of bag filter, warp
The processes such as 13 desulfurization of desulfurizing tower are crossed, realize system flue gas qualified discharge.Since the waste residue amount being discharged through melting furnace is few, to be much smaller than
Than the volume of former waste, the volume reduction of danger wastes is realized；The organic matters such as dioxin decompose at high temperature, and inorganic matter is molten
Pulp water generates vitreum after quenching, heavy metal is cured, and leaching rate is extremely low, can reach environmental protection standard requirement, realizes to being dangerous
The harmless treatment of waste passes through the dresses such as pretreatment system, melting furnace system, plasma generator, smoke processing system
The combination set realizes the quick processing to danger wastes, greatly shortens the processing time of danger wastes.
In the description of the present invention, it is to be understood that, term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Although an embodiment of the invention has been described, for the ordinary skill in the art, it is possible to understand that
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where not departing from the principle and spirit of the invention,
The scope of the present invention is defined by the appended.
Claims (5)
1. a kind of corona treatment danger wastes device, it is characterised in that: including pretreatment system, plasma fusion
Furnace system, smoke processing system, the pretreatment system are connect with the plasma melting furnace system, and the plasma is molten
Melt furnace system to connect with the smoke processing system.
2. a kind of corona treatment danger wastes device according to claim 1, it is characterised in that: the pre- place
Reason system includes raw material cabin (1), additive bin (2), screw conveyor (3), molding machine (4), belt conveyor (5), the spiral shell
Rotation conveyer (3) is sequentially arranged above with the raw material cabin (1), the additive bin (2), the screw conveyor (3)
Output end is connect with the import of the molding machine (4), is equipped with the belt conveyor below the outlet of the molding machine (4)
(5).
3. a kind of corona treatment danger wastes device according to claim 2, it is characterised in that: it is described it is equal from
Daughter melting furnace system includes plasma melting furnace (6), plasma generator (7), and the plasma melting furnace (6) is interior
Around three plasma generators (7) of distribution, the entrance of the plasma melting furnace (6) is located at the Belt Conveying
The lower section of machine (5) output end.
4. a kind of corona treatment danger wastes device according to claim 3, it is characterised in that: the flue gas
Processing system includes dual firing chamber (8), heat exchanger (9), bag filter (11), air-introduced machine (12), desulfurizing tower (13), it is described it is equal from
The outlet of daughter melting furnace (6) and the inlet communication of the dual firing chamber (8), the outlet of the dual firing chamber (8) and the heat exchanger
(9) inlet communication, the outlet of the heat exchanger (9) and the inlet communication of the bag filter (11), the bag-type dust
The outlet of device (11) and the inlet communication of the air-introduced machine (12), the outlet of the air-introduced machine (12) and the import of desulfurizing tower (13)
Connection.
5. a kind of corona treatment danger wastes device according to claim 4, it is characterised in that: the heat exchange
The outlet of device (9) also passes through bypass flue (10) with the import of the air-introduced machine (12) and is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048715.7A CN109654509A (en) | 2019-01-18 | 2019-01-18 | A kind of corona treatment danger wastes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048715.7A CN109654509A (en) | 2019-01-18 | 2019-01-18 | A kind of corona treatment danger wastes device |
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| Publication Number | Publication Date |
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| CN109654509A true CN109654509A (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910048715.7A Pending CN109654509A (en) | 2019-01-18 | 2019-01-18 | A kind of corona treatment danger wastes device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714246A (en) * | 2021-08-03 | 2021-11-30 | 武汉武锅能源工程有限公司 | Waste incineration fly ash treatment system and method |
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