CN106594748B - A kind of pyrolysis of solid waste and combustion system - Google Patents
A kind of pyrolysis of solid waste and combustion system Download PDFInfo
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- CN106594748B CN106594748B CN201710125240.8A CN201710125240A CN106594748B CN 106594748 B CN106594748 B CN 106594748B CN 201710125240 A CN201710125240 A CN 201710125240A CN 106594748 B CN106594748 B CN 106594748B
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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
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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
- F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
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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
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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
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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
- F23G2201/302—Treating 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
- 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
- F23G2201/80—Shredding
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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
- F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
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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
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
-
- 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
- F23J2215/30—Halogen; Compounds thereof
- F23J2215/301—Dioxins; Furans
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a kind of pyrolysis of solid waste and combustion systems, it is characterised in that pyrolysis air purifying apparatus first connects pyrolysis gas blower, then is pyrolyzed after air valve by connection and is connected with the pyrolysis air burner of boiler；The boiler is equipped with two-stage off-gas recovery and utilizes mouth: the first order is connected before the economizer of the primary outlet of boiler is arranged in the first pyrolysis air-introduced machine；The second level is arranged after economizer to be connected with the second pyrolysis air-introduced machine；First pyrolysis air-introduced machine is connected after the first pyrolysis control valve with pyrolysis main control valve；Second pyrolysis air-introduced machine is connected after the second pyrolysis control valve with pyrolysis main control valve.The joint for realizing solid waste pyrolysis and boiler combustion utilizes, solid waste is pyrolyzed the recycling that resource may be implemented, for pyrolytic technique with respect to power generation by waste combustion, solid waste reduction is significant, while can solve the toxic heavy metal contaminations problem such as " dioxin " and mercury, lead, cadmium.Can large-scale industrial application in Solid Waste Treatment and boiler combustion.
Description
Technical field
The present invention relates to refuse treatment plants, in particular to solid waste pyrolysis and combustion system.
Background technique
As process of modernization constantly accelerates, primary solid waste discharge capacity is growing day by day.At traditional solid waste
Reason method causes serious soil and atmosphere pollution, it is difficult to adapt to the demand of sustainable development.Solid waste is a kind of renewable money
Source, if it is possible to which effective resources integration can create huge economic benefit, and government department also increasingly payes attention at present
The recycling problem of solid waste resource.As urbanization process of industrialization is accelerated, following China's solid-waste treatment facility is built
If dynamics will be significantly increased.
Pyrolysismethod is added under anaerobic or anoxia condition to it using the thermal instability of organic matter in solid waste
Thermal distillation, make organic matter generate cracking, various new gases, liquid and solid are formed after condensing, therefrom extract fuel oil, can
The process of combustion gas.For pyrolytic technique with respect to power generation by waste combustion, solid waste reduction is significant, at the same can solve " dioxin " and
The toxic heavy metal contaminations problem such as mercury, lead, cadmium.The pyrolysis gas that pyrolysis generates is a kind of fuel gas.From pyrolysis plant (pyrolysis
Drum) in generate pyrolysis gas contain certain harmful substance, burning processing can be carried out, can use energy in this way, simultaneously will
Harmful substance is converted into the flue gas of complete oxidation.But the pyrolysis gas that solid waste pyrolysis oven generates now is typically only used for solid
Combustion chambers burn in waste pyrolysis device, extra pyrolysis gas are difficult to be utilized, this will cause the waste of energy.
Currently, energy resource structure of the China based on coal causes Air Pollutant Emission total amount high, atmosphere pollution is asked
Topic becomes clear day by day, and the especially groups of cities atmosphere pollution such as the Yangtze River Delta, Pearl River Delta and Beijing-tianjin-hebei Region presents apparent regional special
Sign, the pollution problem of NOx etc. is not effectively controlled, the type of acid rain also from sulfuric acid type to sulfuric acid and the compound conversion of nitric acid,
The regular appearance of haze weather that PM2.5 is severely exceeded.As it can be seen that boiler combustion factory is necessary using clean energy resource power generation, phase
To fire coal, gaseous fuel is more clean fuel, but is used for boiler combustion according to expensive natural gas, and enterprise will be difficult
In existence, it is therefore necessary to find cheap gaseous fuel and combustion system, can not only reduce boiler combustion cost, but also can be deep
Degree reduces pollutant.
Summary of the invention
The fuel gas that the technical problem to be solved by the present invention is to how make full use of pyrolysis to generate, substitution part are fired
Expect, on the whole energy saving purpose.
In order to solve the above-mentioned technical problem, the present invention devises a kind of pyrolysis of solid waste and combustion system, including charging
Storehouse 1, grinding device 2, drying machine 3, feeder 4, pyrolysis oven 5, pyrolysis air purifying apparatus 6, boiler 14, it is characterised in that pyrolysis gas
Purification device 6 first connects pyrolysis gas blower 22, then by being connected after connection pyrolysis air valve 7 with the pyrolysis air burner of boiler 14
It connects；The boiler 14 is equipped with two-stage off-gas recovery and utilizes mouth: the first order is arranged in front of the economizer of the primary outlet of boiler 14 and the
One pyrolysis air-introduced machine 19 is connected；The second level is arranged after economizer 27 to be connected with the second pyrolysis air-introduced machine 18；First pyrolysis air inducing
Machine 19 is connected after the first pyrolysis control valve 20 with pyrolysis main control valve 23；Second pyrolysis air-introduced machine 18 is by the second pyrolysis control
It is connected after valve 21 processed with pyrolysis main control valve 23.
The solid waste pyrolysis and combustion system, it is characterised in that the pyrolysis air burner is upper burner 11
He or lower burner 12 are equipped with upper control valve 8 between the pyrolysis air valve 7 and upper burner 11；The pyrolysis air valve
Lower control valve 9 is equipped between 7 and lower burner 12.
The solid waste pyrolysis and combustion system, it is characterised in that the pyrolysis air burner is equipped with burning simultaneously
When device 11 and lower burner 12；The top of lower burner 12 is arranged in the upper burner 11.
The solid waste pyrolysis and combustion system, it is characterised in that pyrolysis oven 5 is arranged in the smoke outlet of pyrolysis oven 5
Close to feed end, it is connected by smoke exhaust fan 26 with the final exhaust passage of system.
The solid waste pyrolysis and combustion system, it is characterised in that the province of the primary outlet of boiler 14 is arranged in the first order
Before coal device 27, it is connected after first passing through the first smoke duster 15 with the first pyrolysis air-introduced machine 19；The second level is arranged in economizer 27
Afterwards, it is connected after first passing through the second smoke duster 16 with the second pyrolysis air-introduced machine 18.
The solid waste pyrolysis and combustion system, it is characterised in that 13 upper position of main burner is equipped with again
Burner 10.
The solid waste pyrolysis and combustion system, it is characterised in that the pyrolysis air purifying apparatus 6 is dedusting dress
Set, desulfurization deamination apparatus and or tar-removing device.
Implement to utilize the invention has the following beneficial effects: the joint for realizing solid waste pyrolysis and boiler combustion, Gu
The recycling of resource may be implemented in body waste pyrolysis, and for pyrolytic technique with respect to power generation by waste combustion, solid waste reduction is significant,
It can solve the toxic heavy metal contaminations problem such as " dioxin " and mercury, lead, cadmium simultaneously.Can large-scale industrial application in solid waste
Processing and boiler combustion.
Detailed description of the invention
Fig. 1 is solid waste pyrolysis and combustion system composition block diagram.
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.
Fig. 1 is solid waste pyrolysis and combustion system composition block diagram, a kind of pyrolysis of solid waste and combustion system, including into
Feed bin 1, grinding device 2, drying machine 3, feeder 4, pyrolysis oven 5, pyrolysis air purifying apparatus 6 and boiler 14；Pyrolysis gas purification dress
It sets 6 and first connects pyrolysis gas blower 22, then be pyrolyzed after air valve 7 by connection and be connected with the pyrolysis air burner of boiler 14；Heat
Solution air burner includes upper burner 11 and lower burner 12, and upper control is equipped between the pyrolysis air valve 7 and upper burner 11
Valve 8 processed；Lower control valve 9 is equipped between the pyrolysis air valve 7 and lower burner 12；The upper burner 11 is arranged under
The top of burner 12.13 or more the position of main burner of boiler 14 is equipped with recombustion burner 10, it can be achieved that not to main burner
The aftercombustion of completely burned part.
Boiler 14 is equipped with two-stage off-gas recovery and utilizes mouth: the first order be arranged in front of the economizer 27 of the primary outlet of boiler 14 with
First pyrolysis air-introduced machine 19 is connected；The second level is arranged after economizer to be connected with the second pyrolysis air-introduced machine 18；First pyrolysis air inducing
Machine 19 is connected after the first pyrolysis control valve 20 with pyrolysis main control valve 23；Second pyrolysis air-introduced machine 18 is by the second pyrolysis control
It is connected after valve 21 processed with pyrolysis main control valve 23.It is adjustable by adjusting the first pyrolysis control valve 20 and the second pyrolysis control valve 21
The ratio of mixed gas realizes the temperature for adjusting the gas by pyrolysis main control valve 23, realizes and enter pyrolysis smoke temperature
Accurate control.
Need to be arranged when whether containing coal dust or other solid fuel ignitions according to reality needs user to select setting, if needed
It wants to increase by the first smoke duster 15 before the first pyrolysis air-introduced machine 19；Increase by the before the second pyrolysis air-introduced machine 18
Two smoke dusters 16.Finally row arrives final exhaust passage after air preheater 17 after two-stage off-gas recovery by two-stage.
Feeding warehouse 1 is used for store solids waste, and organic matter can be divided into two natural and artificial synthesized classes in solid waste.
Natural has rubber, timber, paper, protein, starch, cellulose, straw, waste oil and sludge etc..Artificial synthesized has modeling
Material, synthetic rubber, synthetic fibers etc.；Grinding device 2 is used to smash the solid waste of feed bin；Drying machine 3 is smashed for dry
Solid waste afterwards；Feeder 4 is used to send granular solid waste to pyrolysis oven, and feeder 4 is helical form feeder, institute
It states helical form feeder to include shaft and helical blade has been arranged in shaft, the rotation of helical blade is driven by control shaft
Turn, solid waste is sent to pyrolysis oven.
The pyrolysis gas that pyrolysis oven 5 generates is sent after being pyrolyzed air purifying apparatus 6 to the upper burner 11 of boiler 14 and lower combustion
Burner 12 is burnt；Burn in boiler 14 flue gas of generation of pyrolysis gas is removed by the first smoke duster 15 and the second flue gas
Dirt device 16, first carries out being mixed into pyrolysis oven 5 after being pyrolyzed air-introduced machine 19 and the first pyrolysis air-introduced machine 20, and is 5 heat of pyrolysis oven
Solution provides heat, is finally delivered to boiler back end ductwork again by smoke exhaust fan 26 and is purified, also can according to need and arranging
Drain tap 24 is added after cigarette blower 26.
Boiler 14 is vented one's spleen for the combustion heat, provides heat to pyrolysis oven.
Being pyrolyzed air purifying apparatus 9 is mainly dust-extraction unit, can also contain desulfurization dechlorination, tar-removing device.
Disclosed above is only an embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention
Made equivalent variations is sought, is still belonged to the scope covered by the invention.
Claims (7)
1. a kind of solid waste pyrolysis and combustion system, including feeding warehouse (1), grinding device (2), drying machine (3), feeder
(4), pyrolysis oven (5), pyrolysis air purifying apparatus (6), boiler (14), it is characterised in that first connection is hot for pyrolysis air purifying apparatus (6)
It vents one's spleen blower (22), then is connected afterwards with the pyrolysis air burner of boiler (14) by connection pyrolysis air valve (7)；The boiler
(14) be equipped with two-stage off-gas recovery and utilize mouth: the first order is arranged before the economizer (27) of the primary outlet of boiler (14) and the first heat
Air-introduced machine (19) are solved to be connected；Second level setting is connected with the second pyrolysis air-introduced machine (18) afterwards in economizer (27)；First pyrolysis is drawn
Blower (19) is connected after the first pyrolysis control valve (20) with pyrolysis main control valve (23)；Second pyrolysis air-introduced machine (18) is passed through
Second pyrolysis control valve (21) is connected with pyrolysis main control valve (23) afterwards, and pyrolysis main control valve (23) is connected with pyrolysis oven (5).
2. solid waste according to claim 1 pyrolysis and combustion system, it is characterised in that the pyrolysis air burner is
Upper burner (11) and or lower burner (12) are equipped with upper control valve between the pyrolysis air valve (7) and upper burner (11)
Door (8)；Lower control valve (9) are equipped between the pyrolysis air valve (7) and lower burner (12).
3. solid waste pyrolysis according to claim 2 and combustion system, it is characterised in that the pyrolysis air burner is same
When be equipped with upper burner (11) and lower burner (12) when；Top of upper burner (11) setting in lower burner (12).
4. solid waste pyrolysis according to claim 3 and combustion system, it is characterised in that the smoke outlet of pyrolysis oven (5) is set
The close feed end in pyrolysis oven (5) is set, is connected by smoke exhaust fan (26) with the final exhaust passage of system.
5. solid waste pyrolysis according to any one of claims 1 to 4 and combustion system, it is characterised in that the first order is set
It sets before the economizer (27) of the primary outlet of boiler (14), first passes through the first smoke duster (15) and be pyrolyzed air-introduced machine with first afterwards
(19) it is connected；The second level is arranged after economizer (27), first passes through the second smoke duster (16) and is pyrolyzed air-introduced machine with second afterwards
(18) it is connected.
6. solid waste pyrolysis according to claim 5 and combustion system, it is characterised in that the top of main burner (13)
The upper burner (11) of position is used as recombustion burner (10).
7. solid waste pyrolysis according to claim 6 and combustion system, it is characterised in that the pyrolysis gas purifies dress
Setting (6) is dust-extraction unit, desulfurization deamination apparatus or tar-removing device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710125240.8A CN106594748B (en) | 2017-03-03 | 2017-03-03 | A kind of pyrolysis of solid waste and combustion system |
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| CN201710125240.8A CN106594748B (en) | 2017-03-03 | 2017-03-03 | A kind of pyrolysis of solid waste and combustion system |
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| CN106594748A CN106594748A (en) | 2017-04-26 |
| CN106594748B true CN106594748B (en) | 2019-07-02 |
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| CN108151024A (en) * | 2017-12-22 | 2018-06-12 | 广东天源环境科技有限公司 | A kind of solid waste substance treating method and processing system |
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| JP3764578B2 (en) * | 1998-03-06 | 2006-04-12 | 株式会社タクマ | Waste carbonization pyrolysis melting combustion equipment |
| CN100470131C (en) * | 2006-06-28 | 2009-03-18 | 中国科学院工程热物理研究所 | City life refuse burning pretreatment method and apparatus for |
| CN101059243A (en) * | 2007-05-15 | 2007-10-24 | 东南大学 | Biomass fluid bed combustion device and combustion method |
| CN103629672A (en) * | 2013-11-13 | 2014-03-12 | 江苏和顺环保股份有限公司 | Incineration system of rotary kiln |
| CN204534599U (en) * | 2015-03-17 | 2015-08-05 | 东南大学 | A kind of oil-containing solids waste resource utilization device |
| CN105509059A (en) * | 2015-12-22 | 2016-04-20 | 北京神雾环境能源科技集团股份有限公司 | Power generation system and power generation method |
| CN205746866U (en) * | 2016-07-01 | 2016-11-30 | 国网山东省电力公司阳谷县供电公司 | A kind of ground kiln formula refuse gasification combustion power generation device |
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Effective date of registration: 20211115 Address after: 518048 2906, building C, Huangdu Plaza, No. 3008, Yitian Road, Huanggang community, Futian street, Futian District, Shenzhen, Guangdong Patentee after: Shenzhen Zhongyuan Environmental Technology Co., Ltd Address before: 518052 unit 03, 7 / F, building 1, Yongxin Times Square, No. 4078, Dongbin Road, Nanshan street, Nanshan District, Shenzhen, Guangdong Patentee before: Guangdong Tianyuan Environmental Technology Co., Ltd |