CN106765154A - It is a kind of that method of disposal is pyrolyzed based on the medical waste that microwave is quenched - Google Patents
It is a kind of that method of disposal is pyrolyzed based on the medical waste that microwave is quenched Download PDFInfo
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- CN106765154A CN106765154A CN201710054358.6A CN201710054358A CN106765154A CN 106765154 A CN106765154 A CN 106765154A CN 201710054358 A CN201710054358 A CN 201710054358A CN 106765154 A CN106765154 A CN 106765154A
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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
- F23G5/0273—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using indirect heating
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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
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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
- F23G5/10—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating electric
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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
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
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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
- F23G5/46—Recuperation of heat
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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
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/303—Burning pyrogases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/304—Burning pyrosolids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
- F23G2202/102—Combustion in two or more stages with supplementary heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/70—Combustion with application of specific energy
- F23G2202/701—Electrical fields
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/203—Microwave
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/20—Medical materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/00001—Exhaust gas recirculation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/50204—Waste pre-treatment by pyrolysis, gasification or cracking
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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
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
Abstract
The present invention is a kind of to be pyrolyzed method of disposal based on the medical waste that microwave is quenched, including rubbish feeding device, pyrolysis oven, microwave combustion furnace, exhaust gas cleaner and slag solid waste cleaning plant, carbon residue after rubbish is pyrolyzed in pyrolysis oven inhales ripple medium in entering microwave combustion furnace as strong, its pyrolysis gas that will be produced in pyrolysis oven that are rapidly heated is set fully to be burnt when through high temperature carbon residue layer, so as to thoroughly eliminate the toxic and harmfuls such as the dioxin in pyrolysis gas, infringement of the waste incineration to environment is reduced to a greater degree.Step is simple and convenient to operate, practical.
Description
Technical field
It is more particularly to a kind of that disposal is pyrolyzed based on the medical waste that microwave is quenched the invention belongs to treatment of!medical waste field
Method.
Background technology
At present, the quantity and harmfulness of domestic medical waste are continuously increased, and its treatment technology is mainly and traditional directly burns
Burning method.Although medical waste minimizing can be made to a certain extent, at party's oxygen-enriched combusting owned by France and burning flue dust tail gas
Reason amount is big, it is necessary to be equipped with perfect exhaust gas purification system.Thus result in initial cost it is excessive and during easily produce dioxin etc.
Poisonous and harmful substance pollutes environment, and the method can not meet current environmental requirement.In existing new treatment technology, heat
, because with producing, the harmful toxic matters such as dioxin are few, exhaust emissions amount is few, and residual residue amount is few, and processing cost is cheap for solution burning method
Etc. advantage, it is developed rapidly.But the pyrolysis gas of pyrolytic incineration generation need to stop time enough in combustion chamber and carry out
Fully burning, causes CIU very high to automatic control level requirement, and required space is larger, and these turn into pyrolytic incineration method
Inconvenience in actual applications.
The content of the invention
It is a kind of that method of disposal is pyrolyzed based on the medical waste that microwave is quenched in order to overcome above-mentioned deficiency, the medical rubbish of its treatment
Rubbish is thorough, simple and environmentally-friendly.Carbon residue after being pyrolyzed in pyrolysis oven by the use of medical waste inhales ripple medium in entering micro-wave oven as strong,
Its pyrolysis gas that will be produced in pyrolysis oven that are rapidly heated is set fully to be burnt when through high temperature carbon residue layer, so as to thoroughly eliminate pyrolysis
The toxic and harmfuls such as the dioxin in gas, reduce infringement of the waste incineration to environment to a greater degree, and equipment without compared with
Automatic control system high, take up room it is smaller.
To achieve these goals, the present invention is adopted the following technical scheme that：
It is a kind of that disposal plant is pyrolyzed based on the medical waste that microwave is quenched, including：Feed arrangement, pyrolysis installation, microwave combustion
Burn device, exhaust gas cleaner, slag solid waste cleaning plant, blower fan, air preheater；The feed arrangement, pyrolysis installation, microwave combustion
Burn device and slag solid waste cleaning plant is sequentially connected, being additionally provided with gas between the pyrolysis installation and microwave burning device follows
Endless tube road；The pyrolysis installation is also sequentially connected with air preheater, exhaust gas cleaner；When using, what the pyrolysis installation was produced
Pyrolysis gas and pyrolysis carbon residue respectively pass through during blower fan and material channel are input to microwave burning device, fully burn after, generation
High-temperature tail gas are back to pyrolysis installation, air preheater, exhaust gas cleaner successively；It is described to be pyrolyzed disposal plant Integral sealing and be in
Negative pressure state.
Be directed respectively into carbon residue and pyrolysis gas after pyrolysis in microwave burning device by the present invention, wherein, it is pyrolyzed carbon residue conduct
Strong suction ripple medium is inhaled ripple in reaction chamber and is rapidly heated, there is provided heat reaches ignition temperature to pyrolysis gas；Pyrolysis gas with
A certain amount of combustion-supporting gas mixing reaches inflammability limit, absorbs the heat of above-mentioned pyrolysis carbon residue release and burns, and maximizes consumption
While pyrolysis waste material, burning energy consumption is also significantly reduced.Test result indicate that：Refuse disposal installation of the invention is more existing
Pyrogenation incinerator, waste gas microwave combustion furnace are compared to energy consumption reduction by 20%~30%.
Heretofore described " microwave burning device " refer to：Heating using microwave can be carried out to material, gas is fired wherein
The device of burning.
Preferably, the feed arrangement is two-stage feeding warehouse.Controlled with internal negative pressure with the sealing state for ensureing pyrolysis oven
It is required that.
Preferably, the pyrolysis gas send into microwave combustion furnace top air inlet by check-valves by blower fan.
Preferably, the microwave burning bottom of device is provided with the high temperature plate for accepting pyrolysis carbon residue.
Preferably, the bore size of the high temperature plate meets the requirement for preventing microwave from leakage.
Preferably, the microwave burning bottom of device is provided with spiral discharge device.To ensure whole incinerator system
Sealing state controls to require with internal negative pressure, after solid residue burns till lime-ash in microwave combustion furnace, mainly by screw
Exclude, leaky portion is excluded by micro-wave oven bottom slag discharge.
Method of disposal is pyrolyzed based on the medical waste that microwave is quenched present invention also offers a kind of, including：
Medical waste after crushing is carried out into pyrolysis processing, pyrolysis gas and pyrolysis carbon residue is obtained；
Heating using microwave to 1200~1500 DEG C is carried out using pyrolysis carbon residue as strong ripple medium of inhaling, and is made residual through above-mentioned pyrolysis
The pyrolysis gas of charcoal fully burn with the mixed gas of air, collect tail gas；
After the tail gas of collection is carried out into UTILIZATION OF VESIDUAL HEAT IN, purification, exclusion.
By the use of carbon residue as the strong suction ripple medium in microwave combustion furnace is pyrolyzed, its source is mainly pyrolysis oven and enters the present invention
Carbon residue and adsorption cleaning tail gas activated carbon.
Present invention research finds：1kg medical wastes can produce 100L to 120L pyrolysis gas under 750 DEG C of pyrolysis temperature,
400g to 450g can be produced to be pyrolyzed carbon residue, wherein pyrolysis carbon residue is to inhale ripple in reaction chamber as strong suction ripple medium to be rapidly heated,
Heat is provided to pyrolysis gas, ignition temperature is reached, wherein 450g is pyrolyzed carbon residue as the suction about sustainable suction ripple of ripple medium
8min, period persistently produces substantial amounts of heat, and the pyrolysis gas of 120L is burnt completely only about needs 2min, is understood through conversion,
1kg carbon residues can process the pyrolysis gas of 1000L.Therefore the pyrolysis carbon residue produced by the medical waste of unit mass is enough to be supplied to
Heat needed for pyrolysis gas burning.
Preferably, the pyrolysis temperature is 700 DEG C~800 DEG C.
Preferably, in the microwave heating process, pyrolysis carbon residue and pyrolysis gas amount ratio are：0.8~1kg：1000~
1200L。
Preferably, in the mixed gas, pyrolysis gas are 3-8 with the volume ratio of air：2-7.It is empty in actual moving process
The consumption of gas meets the combustion requirements of pyrolysis gas.Those skilled in the art can carry out routine according to the combustion case of pyrolysis gas
Selection.
Preferably, the high-temperature tail gas are first sent into pyrolysis oven using rubbish, Ran Houzai in its waste heat pyrolysis oven by blower fan
Heating cold air in air inlet preheater, tail gas carries out two-stage UTILIZATION OF VESIDUAL HEAT IN.
Method of disposal is preferably pyrolyzed based on the medical waste that microwave is quenched present invention also offers a kind of, including rubbish enters
Material device, pyrolysis oven, microwave combustion furnace, exhaust gas cleaner and slag solid waste cleaning plant, whole system for pyrolyzing and burning are close
Close and in negative pressure state.After rubbish is crushed, by pyrolysis, the wherein shape of pyrolysis oven in two-stage sealing feeding warehouse feeding pyrolysis oven
Formula can be using the rotary furnace of current technology maturation.Pyrolysis gas by blower fan pump to micro-wave oven top air inlet, this pyrolysis gas with
Air mixed combustion after the preheating of another blower fan feeding, and fully burnt when it passes through high temperature carbon residue layer, thoroughly eliminate two
Dislike the toxic and harmfuls such as English.Then high-temperature tail gas feeding pyrolysis oven carries out UTILIZATION OF VESIDUAL HEAT IN with rubbish in pyrolysis oven, after cooling
Tail gas out, subsequently enters air preheater to heating cold air from pyrolysis oven, and last tail gas is processed by activated carbon and filled
Put rear discharge up to standard.
Operation principle of the invention is：After medical waste is crushed at blanking port, pyrolysis in feeding pyrolysis oven, wherein hot
The form for solving stove can be using the rotary furnace of current technology maturation.The pyrolysis gas produced in rotary furnace are pumped to microwave furnace roof by blower fan
Portion's air inlet, in the air mixed combustion that this pyrolysis gas is sent into another blower fan.Pyrolysis carbon residue drops down onto the height in microwave combustion furnace
Ripple medium is inhaled as strong on warm plate, heating carbon residue layer makes its temperature reach 1200~1500 DEG C, and the bore size of high temperature plate meets
Prevent the requirement of microwave from leakage.Pyrolysis mixed gas are fully burnt when through high temperature carbon residue layer, and thoroughly eliminating dioxin etc. has
Malicious pernicious gas, then high-temperature tail gas feeding pyrolysis oven carry out UTILIZATION OF VESIDUAL HEAT IN with rubbish in pyrolysis oven, the tail gas after cooling is from warm
In solution stove out, air preheater is subsequently entered to heating cold air, and last tail gas is after activated carbon treatment device is up to standard
Discharge.
Beneficial effects of the present invention
1st, medical waste is quenched using microwave depth；Realize treatment of!medical waste ground minimizing, innoxious, resource.
2nd, using under microwave action, carbon residue heat absorption and C-C discharge effects can form hot localised points temperature, improve combustion furnace
Interior energy density, makes in-furnace temperature reach 1500 DEG C, thoroughly eliminates the toxic and harmfuls such as dioxin；
3rd, high-temperature tail gas two-stage UTILIZATION OF VESIDUAL HEAT IN, more energy efficient environmental protection；
4th, pyrolysis oven and microwave combustion furnace combined running, simplify requirements for automatic control, reduction system floor space.
5th, apparatus of the present invention are simple, treatment effeciency is high, practical, it is easy to promote.
Brief description of the drawings
Fig. 1 is the structure chart that the medical waste being quenched based on microwave is pyrolyzed disposal plant.
Fig. 2 is the flow chart that the medical waste being quenched based on microwave is pyrolyzed method of disposal.
Wherein, 1 one-level feed arrangement, 2 one-level inlet valves, 3 two grades of feed arrangements, 4 two grades of inlet valves, 6. 5 pyrolysis ovens, heat
Solution furnace discharge valve, 7 pyrolysis oven air bleeding valves, 8 handles, 9 micro-wave ovens, 10 air preheaters, 11 device for recovering tail gas, 12 microwave heater exhausts
Valve, 13 micro-wave oven high temperature plates, 14 micro-wave oven discharging openings.
Specific embodiment
Feature of present invention and other correlated characteristics are described in further detail by the following examples, in order to the same industry
The understanding of technical staff：
Embodiment 1
Method of disposal, including rubbish feeding device, pyrolysis oven, microwave burning are pyrolyzed based on the medical waste that microwave is quenched
Stove, exhaust gas cleaner and slag solid waste cleaning plant, whole system for pyrolyzing and burning are closed and in negative pressure state.Medical rubbish
After rubbish is crushed at blanking port, pyrolysis in feeding pyrolysis oven, the wherein form of pyrolysis oven use the revolution of current technology maturation
Stove.In rotary furnace produce pyrolysis gas by blower fan pump to micro-wave oven top air inlet, then pyrolysis gas sent into another blower fan
Air mixed combustion.It is pyrolyzed on the high temperature plate that carbon residue is dropped down onto in microwave combustion furnace and inhales ripple medium as strong, heating carbon residue layer makes
Its temperature reaches 1200~1500 DEG C, and the bore size of high temperature plate meets the requirement for preventing microwave from leakage.Pyrolysis mixed gas exist
Fully burnt during through high temperature carbon residue layer, thoroughly eliminate the toxic and harmfuls such as dioxin.Then high-temperature tail gas are sent into by blower fan
UTILIZATION OF VESIDUAL HEAT IN is carried out in pyrolysis oven with rubbish in pyrolysis oven, the tail gas after cooling out, subsequently enters air pre- from pyrolysis oven
Hot device is used to heating cold air, and last tail gas is discharged after activated carbon treatment device is up to standard, and wherein activated carbon can be put into microwave
Regeneration cycle is used in heating chamber, the carbon residue in microwave combustion furnace fully burn into after lime-ash can from side spiral deslagging device and
Bottom ash dropping hopper is excluded.
Embodiment 2
It is a kind of that disposal plant is pyrolyzed based on the medical waste that microwave is quenched, including：Feed arrangement, pyrolysis installation, microwave combustion
Burn device, exhaust gas cleaner, slag solid waste cleaning plant, blower fan, air preheater；The feed arrangement, pyrolysis installation, microwave combustion
Burn device and slag solid waste cleaning plant is sequentially connected, being additionally provided with gas between the pyrolysis installation and microwave burning device follows
Endless tube road；The pyrolysis installation is also sequentially connected with air preheater, exhaust gas cleaner；When using, what the pyrolysis installation was produced
Pyrolysis gas and pyrolysis carbon residue respectively pass through during blower fan and material channel are input to microwave burning device, fully burn after, generation
High-temperature tail gas are back to pyrolysis installation, air preheater, exhaust gas cleaner successively；It is described to be pyrolyzed disposal plant Integral sealing and be in
Negative pressure state.
Because carbon residue inhales ripple intensification under microwave action, 1000 DEG C of temperature can be reached, add charcoal and charcoal under microwave action
Between electric discharge phenomena can occur, and produce localized hyperthermia, carbon residue temperature can further increase, and these heats cause that pyrolysis gas are quick
Catch fire, the heat of generation of catching fire makes pyrolysis gas fully burn again so that in-furnace temperature further increases.
Embodiment 3
It is a kind of that disposal plant is pyrolyzed based on the medical waste that microwave is quenched, including：Feed arrangement, pyrolysis installation, microwave combustion
Burn device, exhaust gas cleaner, slag solid waste cleaning plant, blower fan, air preheater；The feed arrangement, pyrolysis installation, microwave combustion
Burn device and slag solid waste cleaning plant is sequentially connected, being additionally provided with gas between the pyrolysis installation and microwave burning device follows
Endless tube road；The pyrolysis installation is also sequentially connected with air preheater, exhaust gas cleaner；When using, what the pyrolysis installation was produced
Pyrolysis gas and pyrolysis carbon residue respectively pass through during blower fan and material channel are input to microwave burning device, fully burn after, generation
High-temperature tail gas are back to pyrolysis installation, air preheater, exhaust gas cleaner successively；It is described to be pyrolyzed disposal plant Integral sealing and be in
Negative pressure state.
The feed arrangement is two-stage feeding warehouse.Control to require with internal negative pressure with the sealing state for ensureing pyrolysis oven.
Embodiment 4
It is a kind of that disposal plant is pyrolyzed based on the medical waste that microwave is quenched, including：Feed arrangement, pyrolysis installation, microwave combustion
Burn device, exhaust gas cleaner, slag solid waste cleaning plant, blower fan, air preheater；The feed arrangement, pyrolysis installation, microwave combustion
Burn device and slag solid waste cleaning plant is sequentially connected, being additionally provided with gas between the pyrolysis installation and microwave burning device follows
Endless tube road；The pyrolysis installation is also sequentially connected with air preheater, exhaust gas cleaner；When using, what the pyrolysis installation was produced
Pyrolysis gas and pyrolysis carbon residue respectively pass through during blower fan and material channel are input to microwave burning device, fully burn after, generation
High-temperature tail gas are back to pyrolysis installation, air preheater, exhaust gas cleaner successively；It is described to be pyrolyzed disposal plant Integral sealing and be in
Negative pressure state.
The pyrolysis gas are by check-valves by blower fan feeding microwave combustion furnace top air inlet.
Pyrolysis gas temperature from rotary kiln outlet is 700 DEG C to 800 DEG C, and pyrolysis gas enter in micro-wave oven by some pipes
Road, can produce temperature drop, reach the temperature of micro-wave oven, maintain essentially between 600 DEG C to 700 DEG C.
Embodiment 5
It is a kind of that disposal plant is pyrolyzed based on the medical waste that microwave is quenched, including：Feed arrangement, pyrolysis installation, microwave combustion
Burn device, exhaust gas cleaner, slag solid waste cleaning plant, blower fan, air preheater；The feed arrangement, pyrolysis installation, microwave combustion
Burn device and slag solid waste cleaning plant is sequentially connected, being additionally provided with gas between the pyrolysis installation and microwave burning device follows
Endless tube road；The pyrolysis installation is also sequentially connected with air preheater, exhaust gas cleaner；When using, what the pyrolysis installation was produced
Pyrolysis gas and pyrolysis carbon residue respectively pass through during blower fan and material channel are input to microwave burning device, fully burn after, generation
High-temperature tail gas are back to pyrolysis installation, air preheater, exhaust gas cleaner successively；It is described to be pyrolyzed disposal plant Integral sealing and be in
Negative pressure state.
The microwave burning bottom of device is provided with the high temperature plate for accepting pyrolysis carbon residue.
Embodiment 6
It is a kind of that disposal plant is pyrolyzed based on the medical waste that microwave is quenched, including：Feed arrangement, pyrolysis installation, microwave combustion
Burn device, exhaust gas cleaner, slag solid waste cleaning plant, blower fan, air preheater；The feed arrangement, pyrolysis installation, microwave combustion
Burn device and slag solid waste cleaning plant is sequentially connected, being additionally provided with gas between the pyrolysis installation and microwave burning device follows
Endless tube road；The pyrolysis installation is also sequentially connected with air preheater, exhaust gas cleaner；When using, what the pyrolysis installation was produced
Pyrolysis gas and pyrolysis carbon residue respectively pass through during blower fan and material channel are input to microwave burning device, fully burn after, generation
High-temperature tail gas are back to pyrolysis installation, air preheater, exhaust gas cleaner successively；It is described to be pyrolyzed disposal plant Integral sealing and be in
Negative pressure state.
The bore size of the high temperature plate meets the requirement for preventing microwave from leakage.
Embodiment 7
It is a kind of that disposal plant is pyrolyzed based on the medical waste that microwave is quenched, including：Feed arrangement, pyrolysis installation, microwave combustion
Burn device, exhaust gas cleaner, slag solid waste cleaning plant, blower fan, air preheater；The feed arrangement, pyrolysis installation, microwave combustion
Burn device and slag solid waste cleaning plant is sequentially connected, being additionally provided with gas between the pyrolysis installation and microwave burning device follows
Endless tube road；The pyrolysis installation is also sequentially connected with air preheater, exhaust gas cleaner；When using, what the pyrolysis installation was produced
Pyrolysis gas and pyrolysis carbon residue respectively pass through during blower fan and material channel are input to microwave burning device, fully burn after, generation
High-temperature tail gas are back to pyrolysis installation, air preheater, exhaust gas cleaner successively；It is described to be pyrolyzed disposal plant Integral sealing and be in
Negative pressure state.
The microwave burning bottom of device is provided with spiral discharge device.To ensure the sealing state of whole incinerator system
Control to require with internal negative pressure, after solid residue burns till lime-ash in microwave combustion furnace, mainly excluded by screw, seepage
Part excludes by micro-wave oven bottom slag discharge.
Embodiment 8
It is a kind of that method of disposal is pyrolyzed based on the medical waste that microwave is quenched, including：
Medical waste after crushing is carried out into pyrolysis processing, pyrolysis gas and pyrolysis carbon residue is obtained；
Heating using microwave to 1200~1500 DEG C is carried out using pyrolysis carbon residue as strong ripple medium of inhaling, and is made residual through above-mentioned pyrolysis
The pyrolysis gas of charcoal fully burn with the mixed gas of air, collect tail gas；
After the tail gas of collection is carried out into UTILIZATION OF VESIDUAL HEAT IN, purification, exclusion.The present invention by the use of carbon as microwave combustion furnace in it is strong
Ripple medium is inhaled, the activated carbon of its source carbon residue that predominantly pyrolysis oven is entered and adsorption cleaning tail gas.
Wherein, the pyrolysis temperature is 700 DEG C~800 DEG C.
In the microwave heating process, pyrolysis carbon residue and pyrolysis gas amount ratio are：0.8~1kg：1000~1200L.
In the mixed gas, pyrolysis gas are 3-8 with the volume ratio of air：2-7.
Embodiment 9
It is a kind of that method of disposal is pyrolyzed based on the medical waste that microwave is quenched, including：
Medical waste after crushing is carried out into pyrolysis processing, pyrolysis gas and pyrolysis carbon residue is obtained；
Heating using microwave to 1200~1500 DEG C is carried out using pyrolysis carbon residue as strong ripple medium of inhaling, and is made residual through above-mentioned pyrolysis
The pyrolysis gas of charcoal fully burn with the mixed gas of air, collect tail gas；
After the tail gas of collection is carried out into UTILIZATION OF VESIDUAL HEAT IN, purification, exclusion.The present invention by the use of carbon as microwave combustion furnace in it is strong
Ripple medium is inhaled, the activated carbon of its source carbon residue that predominantly pyrolysis oven is entered and adsorption cleaning tail gas.
Wherein, the pyrolysis temperature is 700 DEG C~800 DEG C.
In the microwave heating process, pyrolysis carbon residue and pyrolysis gas amount ratio are：0.8~1kg：1000~1200L.
In the mixed gas, pyrolysis gas are 3-8 with the volume ratio of air：2-7.
The high-temperature tail gas are first sent into pyrolysis oven using rubbish in its waste heat pyrolysis oven by blower fan, then enter back into air
Heating cold air in preheater, tail gas carries out two-stage UTILIZATION OF VESIDUAL HEAT IN.
Finally it should be noted that the foregoing is only the preferred embodiments of the present invention, this hair is not limited to
Bright, although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it is still
Technical scheme described in previous embodiment can be modified, or equivalent is carried out to which part.It is all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in protection scope of the present invention
Within.Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to the scope of the present invention
Limitation, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not required to
The various modifications or deformation made by paying creative work are still within protection scope of the present invention.
Claims (10)
1. it is a kind of that disposal plant is pyrolyzed based on the medical waste that microwave is quenched, including：Feed arrangement, pyrolysis installation, microwave burning
Device, exhaust gas cleaner, slag solid waste cleaning plant, blower fan, air preheater, it is characterised in that the feed arrangement, pyrolysis dress
Put, microwave burning device and slag solid waste cleaning plant are sequentially connected, also set between the pyrolysis installation and microwave burning device
It is equipped with gas recycling duct；The pyrolysis installation is also sequentially connected with air preheater, exhaust gas cleaner；When using, the pyrolysis
During the pyrolysis gas and pyrolysis carbon residue that device is produced are input to microwave burning device by blower fan and material channel respectively, fully burn
Afterwards, the high-temperature tail gas of generation are back to pyrolysis installation, air preheater, exhaust gas cleaner successively；The pyrolysis disposal plant is closed
And in negative pressure state.
2. device as claimed in claim 1, it is characterised in that the feed arrangement is two-stage feeding warehouse.
3. device as claimed in claim 1, it is characterised in that the pyrolysis gas send into microwave burning by check-valves by blower fan
Furnace roof portion air inlet.
4. device as claimed in claim 1, it is characterised in that the microwave burning bottom of device is provided with and be pyrolyzed for accepting
The high temperature plate of carbon residue.
5. device as claimed in claim 4, it is characterised in that the bore size of the high temperature plate meets prevents microwave from leakage
It is required that.
6. device as claimed in claim 1, it is characterised in that the microwave burning bottom of device is provided with spiral discharging dress
Put.
7. it is a kind of that method of disposal is pyrolyzed based on the medical waste that microwave is quenched, it is characterised in that including：
Medical waste after crushing is carried out into pyrolysis processing, pyrolysis gas and pyrolysis carbon residue is obtained；
Heating using microwave to 1200~1500 DEG C is carried out using pyrolysis carbon residue as strong ripple medium of inhaling, and is made through above-mentioned pyrolysis carbon residue
Pyrolysis gas fully burn with the mixed gas of air, collect tail gas；
After the tail gas of collection is carried out into UTILIZATION OF VESIDUAL HEAT IN, purification, exclusion.
8. method as claimed in claim 7, it is characterised in that the pyrolysis temperature is 700 DEG C~800 DEG C.
9. method as claimed in claim 7, it is characterised in that in the microwave heating process, pyrolysis carbon residue and pyrolysis gas are used
Measuring ratio is：0.8~1kg：1000~1200L；
Or in the mixed gas, pyrolysis gas are 3-8 with the volume ratio of air：2-7.
10. application of the device described in claim 1-6 in medical waste is processed.
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| CN106765154B (en) | 2019-03-19 |
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