CN206176390U - Domestic waste pyrolysis gasification treatment system - Google Patents
Domestic waste pyrolysis gasification treatment system Download PDFInfo
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- CN206176390U CN206176390U CN201621076919.XU CN201621076919U CN206176390U CN 206176390 U CN206176390 U CN 206176390U CN 201621076919 U CN201621076919 U CN 201621076919U CN 206176390 U CN206176390 U CN 206176390U
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- pyrolysis
- pyrolysis gasification
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- temperature
- gasification
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Abstract
The utility model discloses a domestic waste pyrolysis gasification treatment system, including the pyrolysis gasifier, upper portion is equipped with exhaust pipe and fume treatment equipment intercommunication in the pyrolysis gasifier, and fume treatment equipment is continuous with the draught fan, and the upper portion and the stove bottom of pyrolysis gasifier are linked together through pyrolysis trachea way, is equipped with power -driven air valve on the pyrolysis trachea is said, the pyrolysis trachea is said and is connected with the condenser, and condenser and gas tank connection, pyrolysis gasifier use the fuel for assisting driving heat source, and the pyrolysis gasification gas of production is main heat source. Utilize pyrolysis gasification system to handle domestic waste, rubbish subtracts that to hold the decrement obvious, the lime -ash stable performance, and the flue gas dioxin content of production is extremely low, further handles the flue gas again, realizes the innoxious of flue gas, has effectually avoided the environmental pollution that msw incineration brought. Two kinds of heats source combine together, have solved the difficult problem of outer hot type pyrolysis gasification of rubbish plus heat source, reduce the reliance to conventional energy such as coal or electricity, still can outwards supply with the economic benefits of combustible gas, add -on system.
Description
Technical field
This utility model belongs to solid combustible waste high temperature pyrolysis and gasification processing technology field, and in particular to one kind is with fuel oil
To aid in driving heat source, the efficient domestic garbage pyrolysis gasification process system of thermal source is wanted based on the pyrolysis gas activating QI of generation.
Background technology
Domestic waste is primarily referred to as the activity for providing service in the daily life of city or for city daily life
The solid waste of middle generation.The collection of domestic waste, transport and processing procedure can produce substantial amounts of harmful components, so as to
Air, soil, water source etc. are polluted, is one of great environmental problem that China and countries in the world face.At present, city life
The treatment technology of rubbish living mainly has landfill, compost, the big technology of thermal treatment three.Wherein main thermal treatment technology is divided into directly burns
Burn and two kinds of pyrolytic gasification.
Pyrolytic gasification is generally referred to as the material of carbon containing, such as coal, biomass and rubbish, in certain temperature and pressure
Under (pressurization or normal pressure), and gasifying medium, such as air, pure oxygen, hydrogen and water vapour, occur to be converted into after chemical reaction by
Small-molecule substance such as C0, C02,H2And CH4Deng the technology of the synthesis gas of gas composition.In past five or six ten years, pyrolysis gas
Melt to begin to be widely used in and coal, heavy oil, biomass and rubbish etc. are converted into into gasification gas based on oxygenous, for producing
Carbamide is fertilizer industry.And chemical industry and refine industry also from the sixties in 20th century and the eighties start to use pyrolysis gas respectively
Change technology.Between past recent two decades, pyrolytic gasification technology starts for power generating and heating industry, and starts more and more should
For the process of small-scale biomass and rubbish.Pyrolytic gasification technology is applied to the process of house refuse, and it has efficiently
Energy utilization rate and good environmental protection characteristic, the generation of bioxin is reduced from principle, while most heavy metal is in heat
Lime-ash is dissolved in during solution gasification, discharge capacity is reduced, the innoxious of rubbish, resource, recovery energy, the heat of rubbish is realized
Solution gasification technology is of increasing concern and payes attention to.
The pyrolytic gasification research to rubbish domestic at present mainly adopts internal heat type pyrolytic gasification, due to internal heat type pyrolytic gasification
During large quantity of air enter stove in, as waste incineration easily produce bioxin pollution.Meanwhile, contain in its pyrolysis combustion gas
Substantial amounts of nitrogen and carbon dioxide, its fuel gases calorific value is low, and the limitation for utilizing is big.Another aspect refuse pyrolysis are highly endothermic anti-
Should, need external heat source to heat rubbish, according to coal heating, secondary pollution is also easy to produce, and electricity and heated by gas are adopted,
It is relatively costly.So the external heat source of house refuse external-heat pyrolytic gasification becomes a difficult problem.
Utility model content
In order to solve the problems of the prior art, this utility model provides a kind of domestic garbage pyrolysis gasification process system,
Solve the problems, such as that domestic garbage pyrolysis gasification is seriously polluted in prior art, need external heat source high cost.
The technical solution of the utility model is：A kind of domestic garbage pyrolysis gasification process system, including pyrolysis gasification furnace, institute
State pyrolysis gasification furnace middle and upper part and be provided with smoke discharging pipe and connect with fume treatment auxiliary, fume treatment auxiliary is connected with air-introduced machine, heat
The top of solution gasification furnace is connected with furnace bottom by being pyrolyzed feed channel, and pyrolysis feed channel is provided with Electric air valve, is pyrolyzed feed channel
It is connected with condenser, condenser is connected with air accumulator.
The pyrolysis gasification furnace includes body of heater, and body of heater includes flue, furnace lining and stove outer covering, and body of heater top is provided with charging dress
Put, furnace interior both sides are provided with exhaust gases passes, bottom of furnace body is provided with ash exhauster；Measurement and control of temperature system is additionally provided with pyrolysis gasification furnace
System, including each temperature sensor, temperature display meter and automatic controller.
The feed arrangement is using spiral charging.
The ash exhauster is discharged lime-ash by the way of fire grate mechanical vibration.
The temperature control system has two sets, and a set of TT＆C system controls the temperature in stove, the temperature being arranged in the middle part of burner hearth
Degree sensor transmissions signal adjusts the start and stop of Electric air valve and combustor to automatic controller；Another set of TT＆C system control heat
Temperature in solution feed channel, temperature sensor is arranged in conduit entrance, pipeline middle part and pipeline exit；Two sets of observing and controlling
The temperature display meter of system is all concentrated on the control panel of pyrolysis oven.
The pyrolysis gasification furnace opens stove thermal source and auxiliary thermal source by the way of fuel Heating, and pyrolysis gasification furnace is stably transported
After row, its main heating source is the pyrolysis gas activating QI that pyrolytic gasification is produced.
Pyrolysis gasification furnace burner hearth middle part pyrolysis reaction region and bottom gasification reaction area by the way of helical screw agitator,
So that material thermally equivalent, the water isolated in oil water separator is transported to gasification zone as gasifying agent, and gasifying agent is by gasification
In the screw rod spirt stove of reaction zone.
The pyrolysis gas pipeline is equipped with heating wire, and in pyrolysis feed channel temperature sensor is disposed with, and controls heating wire
Heating start and stop.
The beneficial effects of the utility model are：
(1) pyrolysis gasification furnace of the present utility model carries out the structure design of uniqueness to being pyrolyzed feed channel and exhaust gases passes, produces
Raw pyrolysis gas activating QI can burn in furnace bottom, and the pyrolytic gasification for house refuse provides heat, while the high-temperature flue gas for producing
With heating furnace body, the efficiency of utilization of pyrolysis gasification furnace can be improve.The appropriate design of feed arrangement realizes continuous charging
The anaerobic environment in stove is ensure that simultaneously, improves the operational efficiency of pyrolysis gasification furnace.
(2) using pyrolytic gasification technical finesse house refuse, rubbish volume reduction decrement is obvious, lime-ash stable performance, generation
Flue gas dioxin content is extremely low, then to the further process of flue gas, realizes the innoxious of flue gas, effectively avoids waste incineration institute
The environmental pollution for bringing.
(3) temperature control system can make house refuse one with the temperature in monitor in real time stove and in pyrolysis feed channel
Abundant pyrolytic gasification at fixed temperature, while suppressing pyrolysis gas activating QI that generation tar is condensed in conveyance conduit.
Domestic garbage pyrolysis gasification process system of the present utility model, main heating source is the pyrolysis gas activating QI that burning is produced,
Auxiliary thermal source is fuel oil, and two kinds of thermals source combine, and solves rubbish external heating type heat and vents one's spleen the difficult problem of outside the pale of civilization heating source, is reduced to coal
Or the dependence of the conventional energy resource such as electricity, combustible gas can be also outwards supplied, increase the economic benefit of system, without oxygen in pyrolytic process
Participation, dioxin in flue gas class content of material is extremely low.Using water vapour as gasifying agent, do not contain in the combustion gas of generation and derive from
The nitrogen of air, fuel gases calorific value is high, and the fixed carbon that can be left behind with pyrolysis further reacts generation carbon monoxide and hydrogen
Gas, improves refuse pyrolysis rate of gasification.This technique can carry out stabilisation harmless treatment and recycling to rubbish, there is wide
Wealthy development prospect.
Description of the drawings
Fig. 1 this utility model domestic garbage pyrolysis processing system flow charts；
Wherein：1- pyrolysis gasification furnace 2- fume treatment auxiliary 3- air-introduced machine 4- condenser 5- air accumulators 6- charging dresses
Put 7- exhaust gases passes 8- pyrolysis feed channel 9- ash exhauster 10- flue 11- furnace lining 12- automatic controller 13- profits point
From device 14- screw rod 15- smoke discharging pipe 16- heating wire 17, the electronic wind of 19- temperature sensor 18- burner noz(zle)s 20,21-
Valve 22- combustors.
Specific embodiment
This utility model is described in detail below in conjunction with the accompanying drawings.
The technical program is applied to the harmless treatment of application of city life garbage, and pyrolysis gasification furnace opens stove thermal source and auxiliary thermal source
By the way of fuel Heating, after pyrolysis gasification furnace stable operation, its main heating source is the pyrolysis gas activating QI that burning is produced.Life
Rubbish enters pyrolysis gasification furnace by screening, after being dried, by the pyrolysis gas activating QI of the higher thermal value for producing by special pyrolysis
Gasification feed channel guides to furnace bottom, gasifies gas by combustion and pyrolysis and provides reaction institute calorific requirement for body of heater, and the high-temperature flue gas of generation exist
Heating is played a part of to body of heater by flue gas flow channel before discharging, is controlled by temperature control system (PID control) in run duration
In stove processed and pyrolysis feed channel temperature.
As shown in figure 1, the domestic garbage pyrolysis gasification process system of utility model mainly includes：Pyrolysis gasification furnace 1, flue gas
Processing equipment 2, air-introduced machine 3, condenser 4 and air accumulator 5.Wherein the main composition of pyrolysis gasification furnace 1 be body of heater, feed arrangement 6,
Exhaust gases passes 7, pyrolysis feed channel 8, ash exhauster 9, temperature control system.Body of heater includes flue 10, furnace lining 11, stove outer covering.Temperature
Degree TT＆C system mainly includes each temperature sensor, temperature display meter and automatic controller 12.With reference to Fig. 1 to the heat
Each critical piece of solution gasification furnace is illustrated：
To realize anaerobic environment in continuous charging and holding furnace, the feed arrangement 6 is fed using spiral, using charging
The compression of spiral makes house refuse that closely knit material plug is formed in charging, so as to play a part of sealing, it is ensured that anoxia in stove
Environment, and being continuously added due to house refuse, material plug is constantly formed and elapsed forward, so as to realize continuous feed.
Using pyrolysis reaction region and bottom gasified reverse in the middle part of unique structure design, burner hearth in this pyrolysis gasification furnace burner hearth
Area is answered by the way of helical screw agitator so that material thermally equivalent, the water isolated in oil water separator 13 is defeated as gasifying agent
Gasification zone is sent to, in the spirt stove of screw rod 14 that gasifying agent passes through gasification reaction area.
This pyrolysis gasification furnace is produced using unique exhaust gases passes design, pyrolysis gas activating QI after bottom of furnace body lights burning
High-temperature flue gas through exhaust gases passes 7, heat flue 10, then pyrolysis gasification furnace is discharged by smoke discharging pipe 15.
To ensure that the pyrolysis gas for producing do not produce or produce less the adhesions such as tar in course of conveying as far as possible, tar is given birth to
Heating wire 16 is installed additional into around key position pyrolysis feed channel 8, temperature sensor 17 is arranged in pipeline, control heating wire 16
Heating start and stop, remain that temperature is more than 300 DEG C in pipeline so that pyrolysis gas continuously continual can be transported to furnace bottom,
And then lighted by burner noz(zle) 18, heating furnace body.
The ash exhauster 9, is discharged lime-ash by the way of fire grate mechanical vibration.
The temperature control system has two sets：Temperature in a set of TT＆C system control stove, after stable operation, stove interior temperature
Degree requires more than 500 DEG C, and by being arranged in the temperature sensor 19 in the middle part of burner hearth and transmitting signals to automatic controller 12 electricity is adjusted
The start and stop of wind symptom valve 20, Electric air valve 21 and combustor 22, it is ensured that more than 500 DEG C of in-furnace temperature, in stable operation stage stove
The auto-control strategy of temperature is：When in-furnace temperature is less than 500 DEG C, the standard-sized sheet of Electric air valve 21 turns down opening for Electric air valve 20
Degree, increases the flow of reuse pyrolysis gas activating QI, after Electric air valve 20 is completely closed, is such as not met by temperature requirement, now
Combustor 22 is opened, using fuel oil auxiliary heating is carried out；When in-furnace temperature is higher than 500 DEG C, the aperture of big Electric air valve 20 is opened,
Reduce the flow of reuse pyrolysis gas activating QI.Temperature in another set of TT＆C system control pyrolysis feed channel, heating wire is close to pyrolysis
Feed channel 8, is uniformly wrapped in pipeline outside, is to ensure that everywhere temperature reaches more than 300 DEG C in pipeline, temperature sensor 17
Conduit entrance, pipeline middle part and pipeline exit are arranged in, have temperature at that heating wire 16 is opened less than 300 DEG C.
The temperature display meter of two sets of TT＆C systems is all concentrated on the control panel of pyrolysis oven.
With reference to Fig. 1 domestic garbage pyrolysis gasification process flow charts, preferred forms are illustrated.Pyrolysis gasification furnace opens stove rank
Section, house refuse, by automatic feeder or hand feed, is entered in stove, rubbish after screening, being dried from feed arrangement 6
After being added to the half of furnace volume, open combustor 22 and begin to warm up, sensed by the temperature sensor 19 being arranged in stove
In-furnace temperature, transmits signals to automatic controller 12, controls the start and stop of combustor 22, maintains in-furnace temperature more than 500 DEG C, opens
Heater stage, opens Electric air valve 20, closes Electric air valve 21, and the combustible gas calorific value that this stage produces is relatively low, and can burn heel row
Enter air；After pyrolytic gasification throughput tends towards stability, into stable operation stage, the standard-sized sheet of Electric air valve 21 is adjusted electronic
The aperture of air-valve 20, the pyrolysis gas activating QI of generation is transported to furnace bottom by pyrolysis feed channel 8, and by burner noz(zle) 18 pyrolysis is lighted
Gasification gas, heating furnace body, while the high-temperature flue gas for producing are risen by exhaust gases passes 7 along body of heater, and heating furnace body, smoke discharging pipe
Flue gas is discharged pyrolysis gasification furnace by 15, and flue gas enters fume treatment auxiliary 2 and further purifies, and eventually passes air-introduced machine 3 from chimney
Enter air.According to practical operation situation, unnecessary pyrolysis gas activating QI is entered after the condensation cleaning of condenser 4, is stored up into air accumulator 5
Deposit.Cinder after pyrolytic gasification is discharged by ash exhauster 9.Pyrolysis gasification furnace stable operation stage, combustion and pyrolysis
, used as the main heating source of body of heater, Oil-combustion combusting machine is used as auxiliary thermal source for gasification gas.
Herein by application example be specifically described a kind of structural principle of domestic garbage pyrolysis gasification oven, operational process with
And auto-control strategy, in actual applications, body of heater of the present utility model can be fixed, or movable type, body of heater
Can be cylinder type can also be polygonal etc., the size of body of heater determines according to garbage treatment quantity hourly, is embodied as
Mode and range of application can do corresponding change according to practical situation, and this specification content should not be construed as to of the present utility model
Limit.
Claims (8)
1. a kind of domestic garbage pyrolysis gasification process system, including pyrolysis gasification furnace, it is characterised in that in the pyrolysis gasification furnace
Top is provided with smoke discharging pipe and connects with fume treatment auxiliary, and fume treatment auxiliary is connected with air-introduced machine, the top of pyrolysis gasification furnace
It is connected by being pyrolyzed feed channel with furnace bottom, pyrolysis feed channel is provided with Electric air valve, and pyrolysis feed channel is connected with condenser, cold
Condenser is connected with air accumulator.
2. domestic garbage pyrolysis gasification process system according to claim 1, it is characterised in that the pyrolysis gasification furnace includes
Body of heater, body of heater includes flue, furnace lining and stove outer covering, and body of heater top is provided with feed arrangement, and furnace interior both sides are provided with exhaust gases passes,
Bottom of furnace body is provided with ash exhauster；Temperature control system is additionally provided with pyrolysis gasification furnace, including each temperature sensor, temperature show
Instrument and automatic controller.
3. domestic garbage pyrolysis gasification process system according to claim 2, it is characterised in that the feed arrangement adopts spiral shell
Rotating charging.
4. domestic garbage pyrolysis gasification process system according to claim 2, it is characterised in that the ash exhauster adopts stove
The mode of row's mechanical vibration discharges lime-ash.
5. domestic garbage pyrolysis gasification process system according to claim 2, it is characterised in that the temperature control system has
Two sets, the temperature in a set of TT＆C system control stove is arranged at the temperature sensor in the middle part of burner hearth and transmits signals to and automatically controls
Device adjusts the start and stop of Electric air valve and combustor；Temperature in another set of TT＆C system control pyrolysis feed channel, temperature sensing
Device is arranged in conduit entrance, pipeline middle part and pipeline exit；The temperature display meter of two sets of TT＆C systems is all concentrated
On the control panel of pyrolysis oven.
6. domestic garbage pyrolysis gasification process system according to claim 1, it is characterised in that the pyrolysis gasification furnace is opened
By the way of fuel Heating, after pyrolysis gasification furnace stable operation, its main heating source is pyrolytic gasification for stove thermal source and auxiliary thermal source
The pyrolysis gas activating QI of generation.
7. domestic garbage pyrolysis gasification process system according to claim 1, it is characterised in that the pyrolysis gasification furnace burner hearth
Middle part pyrolysis reaction region and bottom gasification reaction area are by the way of helical screw agitator so that material thermally equivalent, oil-water separation
The water isolated in device is transported to gasification zone as gasifying agent, in the screw rod spirt stove that gasifying agent passes through gasification reaction area.
8. domestic garbage pyrolysis gasification process system according to claim 1, it is characterised in that the pyrolysis gas pipeline
Equipped with heating wire, temperature sensor is disposed with pyrolysis feed channel, controls the heating start and stop of heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076919.XU CN206176390U (en) | 2016-09-23 | 2016-09-23 | Domestic waste pyrolysis gasification treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076919.XU CN206176390U (en) | 2016-09-23 | 2016-09-23 | Domestic waste pyrolysis gasification treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN206176390U true CN206176390U (en) | 2017-05-17 |
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ID=58676399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621076919.XU Expired - Fee Related CN206176390U (en) | 2016-09-23 | 2016-09-23 | Domestic waste pyrolysis gasification treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206176390U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338068A (en) * | 2016-09-23 | 2017-01-18 | 天津大学 | Household garbage pyrolysis and gasification processing system |
| CN110274243A (en) * | 2019-06-20 | 2019-09-24 | 徐州万佳机电设备制造有限公司 | One kind being used for energy conservation and environmental protection pyrolytic equipment for life refuse |
| CN112696682A (en) * | 2020-12-10 | 2021-04-23 | 西安交通大学 | Closed integrated medical waste gasification system and method |
-
2016
- 2016-09-23 CN CN201621076919.XU patent/CN206176390U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338068A (en) * | 2016-09-23 | 2017-01-18 | 天津大学 | Household garbage pyrolysis and gasification processing system |
| CN110274243A (en) * | 2019-06-20 | 2019-09-24 | 徐州万佳机电设备制造有限公司 | One kind being used for energy conservation and environmental protection pyrolytic equipment for life refuse |
| CN110274243B (en) * | 2019-06-20 | 2020-08-07 | 徐州万佳机电设备制造有限公司 | Energy-saving and environment-friendly household garbage pyrolysis equipment |
| CN112696682A (en) * | 2020-12-10 | 2021-04-23 | 西安交通大学 | Closed integrated medical waste gasification system and method |
| CN112696682B (en) * | 2020-12-10 | 2022-04-22 | 西安交通大学 | Closed integrated medical waste gasification system and method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20170923 |