CN105864799A - Pyrolysis incineration waste heat recycling device - Google Patents
Pyrolysis incineration waste heat recycling device Download PDFInfo
- Publication number
- CN105864799A CN105864799A CN201610364698.4A CN201610364698A CN105864799A CN 105864799 A CN105864799 A CN 105864799A CN 201610364698 A CN201610364698 A CN 201610364698A CN 105864799 A CN105864799 A CN 105864799A
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- CN
- China
- Prior art keywords
- waste heat
- steam
- flue gas
- heat boiler
- recovery device
- 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.)
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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
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention provides a pyrolysis incineration waste heat recycling device. The device comprises a pyrolysis furnace, a secondary combustion chamber, a waste heat boiler, a steam distribution cylinder, a flue gas purifying device, an induced draught fan, a chimney and steam users. Solid waste is subjected to anaerobic pyrolysis in the pyrolysis furnace to generate combustible gas, and the combustible gas enters the secondary combustion chamber to be combusted; high-temperature flue gas generated during combustion enters the waste heat boiler to generate steam; the steam generated by the waste heat boiler enters the steam distributing cylinder to be divided into multiple strands of steam for the different steam users to use; and cooled flue gas discharged by the waste heat boiler enters the flue gas purifying device, and the purified flue gas enters the chimney through the induced draught fan and is discharged into the atmosphere. By means of the pyrolysis furnace and the secondary combustion chamber in the device, various forms of dangerous waste can be treated effectively, in addition, flue gas serves as a heat source and generates steam in the waste heat boiler, generated steam can be recycled, and environment pollution is reduced while energy is recycled.
Description
Technical field
The present invention relates to field of Environment Protection, particularly relate to a kind of pyrolytic incineration waste heat recovery device.
Background technology
Along with the fast development of China's economy, the prosperity of industry agricultural production and popularizing of medical system, create substantial amounts of doctor
Treat the solid waste such as refuse, hazardous waste, house refuse, organic-biological matter, mud, environment is caused serious pollution.
Pyrolytic incineration is that the solid waste of a kind of cleaning is innoxious, minimizing processes Technology.Solid waste is at pyrolysis oven
In, under anoxia even anoxic condition, pyrolysis produces imflammable gas, and these imflammable gas enter dual firing chamber and sufficient secondary
Combustion air mixed combustion.The pollutant such as the flue dust of this technique generation, oxynitride are few.
Refuse is potential resource.In incineration of waste disposal system, the recycling of flue gas heat is the most particularly significant.In order to make
Flue gas heat utilizes and maximizes, and does not cause the waste of the energy, it is desirable to select suitable waste heat utilization equipment, and cohesive process needs
Thermal source is provided.
Therefore, a kind of pyrolytic incineration waste heat recovery device is needed badly.
Summary of the invention
For problem above, the present invention proposes a kind of pyrolytic incineration waste heat recovery device, including: pyrolysis oven, dual firing chamber,
Waste heat boiler, gas-distributing cylinder, smoke eliminator, air-introduced machine, chimney and steam user, solid waste is in described pyrolysis oven
Anaerobic pyrolysis produces imflammable gas, and described imflammable gas enters the burning of described dual firing chamber；The produced flue gas of burning enters institute
State waste heat boiler and produce steam；Steam produced by waste heat boiler enters gas-distributing cylinder, if being divided into carried interest steam, by different steam
User uses.Flue gas after the cooling that described waste heat boiler is discharged enters described smoke eliminator, and the flue gas after purification is through described
Air-introduced machine enters chimney, and is discharged in air.
Preferably, described pyrolysis oven is single pyrolysis oven or multiple pyrolysis oven.
Preferably, described pyrolysis oven is fixed or kiln type or fluidized bed type pyrolysis oven.
Preferably, described pyrolysis oven includes continuous feeding device or intermittent feeder.
Preferably, the charging of described feed arrangement is for including clinical waste, hazardous waste, house refuse, organic-biological matter, dirt
Mud is at interior solid waste.
Preferably, described waste heat boiler uses radiant type full film type wall waste heat boiler.
Preferably, described user includes flue gas heater, air heater, condenser, and boiler feed, deacidification adsorbent add
Hot device and heating equipment.
Preferably, multiple secondary wind air inlet is set in described dual firing chamber, and is evenly distributed on the surrounding of described dual firing chamber.
Preferably, described secondary wind is heated by described air heater.
Preferably, described pyrolytic incineration heat recovery also includes that water supply system, described water supply system include demineralized water treatment device, soft
Water tank, soft water water pump, oxygen-eliminating device and boiler feed pump.
In the had the beneficial effect that present invention of the present invention, pyrolysis oven and dual firing chamber can effectively process
The hazardous waste of various forms, adaptable, simple to operate, safe and reliable, stable.System proposed by the invention
With flue gas as thermal source, producing steam in waste heat boiler, the steam of generation is used for heating secondary wind, heating soft water deoxygenation, adding
Heat smoke temperature and other steam user, unnecessary recycling of condensed steam utilizes, and reaches to comprehensively utilize fume afterheat, reclaim profit
By the purpose of the energy, decrease environmental pollution simultaneously, improve the economic benefit of enterprise.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the pyrolytic incineration waste heat recovery device of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.Following example are not limitation of the present invention.Without departing substantially from sending out
Under the spirit and scope of bright design, those skilled in the art it is conceivable that change and advantage be all included in the present invention.
Fig. 1 is the schematic diagram of an embodiment of the pyrolytic incineration waste heat recovery device of the present invention.As it is shown in figure 1, this
Bright pyrolytic incineration waste heat recycling system includes two pyrolysis ovens 1, dual firing chamber 2, waste heat boiler 3, gas-distributing cylinder 4, flue gas
Device and the steam users such as purifier 5, air-introduced machine 6, chimney 7.
Wherein, pyrolysis oven 1 can be fixed or kiln type or fluidized bed type pyrolysis oven.In other embodiments, pyrolysis oven 1 is also
Can be single pyrolysis oven or the multiple pyrolysis ovens more than 2.Pyrolysis oven 1 also includes feed arrangement 13, and it can be continuous feed
Device or intermittent feeder 13.The charging of feed arrangement 13 includes clinical waste, hazardous waste, house refuse, You Jisheng
Material, mud are at interior solid waste.
Wherein, solid waste anaerobic pyrolysis in pyrolysis oven 1 produces imflammable gas, and described imflammable gas enters dual firing chamber 2
Burning.The produced flue gas of burning enters waste heat boiler 3 and produces steam.Waste heat boiler 3 uses radiant type full film type wall waste heat pot
Stove.Steam produced by waste heat boiler 3 enters gas-distributing cylinder 4, if being divided into carried interest steam, different steam users uses.As
Shown in figure, steam user includes flue gas heater 8, air heater 9, condenser 10, boiler feed 11, deacidification absorption
Agent heater 12 and heating (not shown) etc..
Next the pyrolytic incineration waste heat recovery process of the present invention is discussed in detail.Solid waste is disposably added by feed arrangement 13
After pyrolysis oven 1, close charging aperture, open and regulate the blower fan 14 of pyrolysis oven 1, then open burner (not shown) ignition furnace
Interior refuse.Solid waste, under the effect of burner, is pyrolyzed in the environment of anoxia, discharges imflammable gas.
Imflammable gas is entered in dual firing chamber 2 by flue.In dual firing chamber 2, imflammable gas continues under rational secondary air distribution
Burning, flue gas incineration temperature >=1100 DEG C, gas residence time >=2s, the high-temperature flue gas after burning enters waste heat pot by flue
In stove 3.
Waste heat boiler 3 includes water-cooling wall and drum (not shown).High-temperature flue gas in waste heat boiler 3 with the soft water in water-cooling wall
Carrying out heat exchange, temperature is down to 550 DEG C of discharge waste heat boilers 3 and enters in smoke eliminator 5.In water-cooling wall, water heats up and produces
The steam of certain pressure, steam carries out steam-water separation by drum, and the steam after separation is distributed by gas-distributing cylinder 4 again to be used to each
Vapour point carries out heat energy utilization.
The flue-gas temperature of smoke eliminator 5 outlet is about 70 DEG C, and flue gas rises to 120 DEG C through flue gas heater 8 temperature after heating,
Under the effect of air-introduced machine 6, enter chimney 7, and then enter in air.
Air is delivered in air heater 9 by overfire air fan, and air and steam carry out heat exchange, and temperature rises to 50～150 DEG C,
It is then sent in dual firing chamber 2.Multiple secondary wind air inlet is set in dual firing chamber 2, and is evenly distributed on the surrounding of dual firing chamber 2,
The mode using tangent line to send into, makes secondary wind mix evenly with flue gas, beneficially burns completely in stove.
Present invention additionally comprises water supply system, waste heat boiler 3 is supplied water.The water supply system of waste heat boiler 3 is by demineralized water treatment device
31, the composition such as soft water water tank 32, soft water water pump 33, oxygen-eliminating device 11, boiler feed pump 34.Tap water is through demineralized water treatment device 31
Entering soft water water tank 32 after process to store, soft water is delivered to oxygen-eliminating device 11 under the effect of soft water water pump 33；Oxygen-eliminating device 11 leads to
Entering steam heating, remove the oxygen in water, water temperature is appreciated 104 DEG C, then is delivered in the drum of waste heat boiler by boiler feed pump 34.
The vapour system of waste heat boiler 3 is made up of gas-distributing cylinder 4 and gas utilization unit.The steam that waste heat boiler 3 produces is delivered to by drum
Gas-distributing cylinder 4, then distributed to each vapour point by gas-distributing cylinder 4.Wherein a road steam is delivered to air heater 9, is used for heating secondary
Wind, air themperature is risen to 50～150 DEG C by 20 DEG C；One road steam is delivered to flue gas heater 8, after being used for heating wet scrubbing
Flue gas, flue-gas temperature is risen to 120 DEG C by 70 DEG C；One road steam is delivered to oxygen-eliminating device 11, is used for heating soft water and removes the oxygen in water
Gas；One road steam is delivered to on-site user；Unnecessary steam is delivered to condenser 10 and cools down.Become cold after steam utilization
Solidifying water, recycles in being delivered to oxygen-eliminating device 11.
The pyrolysis oven 1 of the present invention and dual firing chamber 2 can process clinical waste, hazardous waste, house refuse, organic-biological matter, dirt
The solid waste of mud etc..Waste heat boiler 3 have employed radiant type full film type wall waste heat boiler, with normally used heat pipe-type waste heat pot
Stove compare have be difficult to tie ash slagging scorification, be not easily blocked, the advantage such as corrosion resistance is good.
Obviously, those of ordinary skill in the art it should be appreciated that above embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, to the change of embodiment described above,
Modification all will fall in the range of claims of the present invention.
Claims (10)
1. a pyrolytic incineration waste heat recovery device, it is characterised in that including: pyrolysis oven, dual firing chamber, waste heat boiler,
Gas-distributing cylinder, smoke eliminator, air-introduced machine, chimney and steam user, solid waste anaerobic pyrolysis in described pyrolysis oven produces
Raw imflammable gas, described imflammable gas enters the burning of described dual firing chamber；The produced high-temperature flue gas of burning enters described waste heat
Boiler produces steam；Steam produced by described waste heat boiler enters described gas-distributing cylinder, if being divided into carried interest steam, by different steamings
Vapour user uses；Flue gas after the cooling that described waste heat boiler is discharged enters described smoke eliminator, and the flue gas after purification is through institute
State air-introduced machine and enter chimney, and be discharged in air.
Pyrolytic incineration waste heat recovery device the most according to claim 1, it is characterised in that described pyrolysis oven is single
Individual pyrolysis oven or multiple pyrolysis oven.
Pyrolytic incineration waste heat recovery device the most according to claim 2, it is characterised in that described pyrolysis oven is solid
Fixed pattern or kiln type or fluidized bed type pyrolysis oven.
Pyrolytic incineration waste heat recovery device the most according to claim 3, it is characterised in that described pyrolysis oven includes
Continuous feeding device or intermittent feeder.
Pyrolytic incineration waste heat recovery device the most according to claim 4, it is characterised in that described feed arrangement
Charging is the solid waste including clinical waste, hazardous waste, house refuse, organic-biological matter, mud.
Pyrolytic incineration waste heat recovery device the most according to claim 5, it is characterised in that described waste heat boiler is adopted
With radiant type full film type wall waste heat boiler.
Pyrolytic incineration waste heat recovery device the most according to claim 6, it is characterised in that described user includes cigarette
Hot-air heater, air heater, condenser, boiler feed, deacidification adsorbent heater and heating equipment.
Pyrolytic incineration waste heat recovery device the most according to claim 7, it is characterised in that set in described dual firing chamber
Put multiple secondary wind air inlet, and be evenly distributed on the surrounding of described dual firing chamber.
Pyrolytic incineration waste heat recovery device the most according to claim 8, it is characterised in that described secondary wind is by institute
State air heater to heat.
Pyrolytic incineration waste heat recovery device the most according to claim 9, it is characterised in that more than described pyrolytic incineration
Pick up the heat also include water supply system, described water supply system include demineralized water treatment device, soft water water tank, soft water water pump, oxygen-eliminating device and
Boiler feed pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364698.4A CN105864799A (en) | 2016-05-27 | 2016-05-27 | Pyrolysis incineration waste heat recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610364698.4A CN105864799A (en) | 2016-05-27 | 2016-05-27 | Pyrolysis incineration waste heat recycling device |
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| Publication Number | Publication Date |
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| CN105864799A true CN105864799A (en) | 2016-08-17 |
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| CN201610364698.4A Pending CN105864799A (en) | 2016-05-27 | 2016-05-27 | Pyrolysis incineration waste heat recycling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401744A (en) * | 2017-08-06 | 2017-11-28 | 无锡绿麦环保科技有限公司 | Solid waste incineration disposal system and its technique |
| CN107631308A (en) * | 2017-10-30 | 2018-01-26 | 北京航化节能环保技术有限公司 | A kind of system and method for high temperature incineration method processing acrylic nitrile waste water |
| CN108787708A (en) * | 2018-06-14 | 2018-11-13 | 方碧水 | A kind of domestic garbage disposer |
| CN110963661A (en) * | 2019-08-15 | 2020-04-07 | 广州沼能环保科技有限责任公司 | Sludge pyrolysis system |
| CN112280578A (en) * | 2020-09-29 | 2021-01-29 | 浙江长三角聚农科技开发有限公司 | Waste-free resource recycling process and system based on biomass pyrolysis carbonization |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401744A (en) * | 2017-08-06 | 2017-11-28 | 无锡绿麦环保科技有限公司 | Solid waste incineration disposal system and its technique |
| CN107631308A (en) * | 2017-10-30 | 2018-01-26 | 北京航化节能环保技术有限公司 | A kind of system and method for high temperature incineration method processing acrylic nitrile waste water |
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| CN110963661A (en) * | 2019-08-15 | 2020-04-07 | 广州沼能环保科技有限责任公司 | Sludge pyrolysis system |
| CN112280578A (en) * | 2020-09-29 | 2021-01-29 | 浙江长三角聚农科技开发有限公司 | Waste-free resource recycling process and system based on biomass pyrolysis carbonization |
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Application publication date: 20160817 |
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