CN202610179U - Counter-flow and rotary type household garbage pyrolysis carbonization furnace system - Google Patents
Counter-flow and rotary type household garbage pyrolysis carbonization furnace system Download PDFInfo
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- CN202610179U CN202610179U CN 201220206497 CN201220206497U CN202610179U CN 202610179 U CN202610179 U CN 202610179U CN 201220206497 CN201220206497 CN 201220206497 CN 201220206497 U CN201220206497 U CN 201220206497U CN 202610179 U CN202610179 U CN 202610179U
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Abstract
The utility model relates to a counter-flow and rotary type household garbage pyrolysis carbonization furnace system. The counter-flow and rotary type household garbage pyrolysis carbonization furnace system is composed of a feeding device, a pyrolysis carbonization furnace body and a slag discharging spiral device, wherein the feeding device, the pyrolysis carbonization furnace body and the slag discharging spiral device are arranged in sequence and connected with one another. A gas-heat circulating device connected with the pyrolysis carbonization furnace body is used to achieve perfection, and used to control the temperature of the pyrolysis carbonization furnace body and garbage staying duration to achieve the purpose of treatment of household garbage and organic solid waste. The counter-flow and rotary type household garbage pyrolysis carbonization furnace system has the advantages that the household garbage and the organic solid waste can be effectively disposed, the problems of coking and material blocking do not exist, heat transferring effect and medium transferring effect are good, and treatment efficiency is high. In addition, under the condition of oxygen-free heating, the household garbage can be decomposed into combustible gas and carbon slag, and continuous operations comprising continuous feeding, continuous pyrolysis and continuous slag discharging can be achieved.
Description
Technical field
The utility model relates to field of solid waste treating technology, and particularly a kind of adverse current is turned round domestic garbage pyrolysis charring furnace system.
Background technology
China produces about 3.1 hundred million tons of domestic refuse per year according to statistics, and huge domestic refuse manifests the harm of environment day by day, and minimizing, innoxious, recycling treatment rubbish are the important topics of environment protection.
Consumer waste incineration is the important means of minimizing, harmless treatment; But the Dioxins that burning produces, heavy metal, sour gas etc. cause secondary environmental pollution easily; These hazardous and noxious substances must be built the complex processing facility and consumed treatment agents such as a large amount of lime, gac in removing smoke; The flying dust that flue gas processing simultaneously produces belongs to Hazardous wastes, must just can reach the safe disposal requirement through special processing, thereby makes that the incineration treatment of garbage investment is big, working cost is high.And domestic garbage pyrolysis is under the condition of anaerobic, to carry out; Avoided the condition that Dioxins, heavy metal oxide, sour gas generate; Thereby avoid environment is produced secondary pollution, the breeze through pyrolysis charring has light weight simultaneously, the space is many, specific surface area is big, can be used as biological carbon and uses.Research shows that refuse pyrolysis is minimizing, innoxious, resource utilization effective way.But make the domestic garbage pyrolysis carbonization reach practicality, must overcome coking in the furnace sealing poor performance, stove, heat-transfer effect is poor, carbonization is inhomogeneous not exclusively, pyrolytic tar blocking pipe and treatment system can not the continous-stable operations and problem such as investment working cost height.The utility model puts forth effort to solve these technical problems that present domestic garbage pyrolysis exists.
Summary of the invention
The purpose of the utility model is effectively to handle domestic refuse and organic solid castoff; Under the condition of heating anaerobic, garbage decomposition is become inflammable gas and breeze, and can realize continuously feeding, continuous pyrolysis, the domestic garbage pyrolysis charring furnace of the serialization operation of slagging tap continuously.
The purpose of the utility model realizes through following structure: it is made up of the feeding unit that is arranged in order and connects 1, pyrolysis charring furnace body 2, the spiral organ 3 of slagging tap;
Feeding unit 1 is made up of opening for feed 1-1, extrusion chamber 1-4, pusher 1-2, solid materials vacuum breaker 1-3; Described extrusion chamber 1-4 is the tubular passage; Opening for feed 1-1 connects on the sidewall of extrusion chamber the place ahead; Pusher 1-2 is positioned at the extrusion chamber 1-4 of opening for feed 1-1 below, and solid materials vacuum breaker 1-3 is located in the chamber of extrusion chamber 1-4 posterior segment;
Pyrolysis charring furnace body 2 comprises that major spiral whisking appliance 2-4, diameter that thermal decomposition coke oven inner sleeve 2-1, thermal decomposition coke oven outer sleeve 2-3, diameter are not more than thermal decomposition coke oven inner sleeve internal diameter are not more than the built-in trundle screen 2-5 of thermal decomposition coke oven inner sleeve internal diameter, minor spiral whisking appliance 2-6, drive unit 2-7; Described thermal decomposition coke oven inner sleeve is located at 2-3 in the thermal decomposition coke oven outer sleeve; Be provided with between the outer side wall of thermal decomposition coke oven outer sleeve 2-3 two ends and thermal decomposition coke oven inner sleeve 2-1 when thermal decomposition coke oven inner sleeve 2-1 is rotated and thermal decomposition coke oven outer sleeve 2-3 immobilized sealing-ring 2-8, and the gap between thermal decomposition coke oven inner sleeve 2-1 and the thermal decomposition coke oven outer sleeve 2-3 forms thermal decomposition coke oven and presss from both sides dead level 2-2; Thermal decomposition coke oven inner sleeve 2-1 extends at two ends outside the thermal decomposition coke oven outer sleeve 2-3; The output shaft of drive unit is connected in thermal decomposition coke oven inner sleeve 2-1 and drives thermal decomposition coke oven inner sleeve 2-1; The junction of extrusion chamber 1-4 and inner sleeve 2-1 front console is provided with material feeding box wear ring 2-9; Major spiral whisking appliance 2-4 is arranged at preceding half section of thermal decomposition coke oven inner sleeve 2-1 inner chamber; Minor spiral whisking appliance 2-6 is arranged at the second half section of thermal decomposition coke oven inner sleeve 2-1 inner chamber; Be provided with built-in trundle screen 2-5 between major spiral whisking appliance 2-4 and the minor spiral whisking appliance 2-6; On thermal decomposition coke oven outer sleeve 2-3, be provided with the combustion gas inlet and the exhanst gas outlet 12 that press from both sides dead level 2-2 UNICOM with thermal decomposition coke oven, on the material feeding box wear ring 2-9 that thermal decomposition coke oven inner sleeve 2-1 front end is provided with, also be provided with thermal decomposition coke oven inner sleeve 2-1 of UNICOM and extraneous pyrolysis gas outlet 4;
The spiral organ 3 of slagging tap is made up of spiral case 3-1, cooling water jecket 3-2, axle spiral 3-3, motor 3-4; The aft end face junction of the leading portion of spiral case 3-1 and thermal decomposition coke oven inner sleeve 2-1 is provided with feed box wear ring 2-10, and the housing top that spiral case extends into thermal decomposition coke oven inner sleeve part is provided with carbon inlet port 3-6; The outer side wall that spiral case 3-1 does not extend into thermal decomposition coke oven inner sleeve 2-1 part is provided with cooling water jecket 3-2; Cooling water jecket 3-2 outer side wall is respectively equipped with entrance of cooling water 3-7 and cooling water outlet 3-8, below spiral case 3-1 does not extend into thermal decomposition coke oven inner sleeve 2-1 latter end sidewall partly, also is provided with the carbon outleting port 3-9 with extraneous UNICOM; Axle spiral 3-3 two ends are connected in the forward and backward two ends of spiral case 3-1, and an axle spiral 3-3 is connected with motor 3-4 and is driven by motor 3-4.
It also comprises gas, thermocirculator; Gas, thermocirculator are by the first pyrolysis feed channel 13, pyrolysis gas blower fan 5, the second pyrolysis feed channel 14, pyrolysis gas incinerator 6, high-temperature flue gas pipeline 15, high-temperature flue gas variable valve; The first circulating flue gas pipeline 16, recirculation blower 7, the second circulating flue gas pipeline 17, circulating flue gas variable valve, circulating flue gas exhaust-valve 25; The first pyrolysis feed channel 13, pyrolysis gas blower fan 5, the second pyrolysis feed channel 14, pyrolysis gas incinerator 6, high-temperature flue gas pipeline 15 connect successively; The top of the first pyrolysis feed channel 13 connects pyrolysis gas outlet 4; The end of high-temperature flue gas pipeline 15 is connected with combustion gas inlet, and the high-temperature flue gas variable valve is arranged on the high-temperature flue gas pipeline 15; The first circulating flue gas pipeline 16, recirculation blower 7, the second circulating flue gas pipeline 17 connect successively; The top of the first circulating flue gas pipeline 16 is connected in exhanst gas outlet 12; The end of the second circulating flue gas pipeline 17 is connected in combustion gas inlet; The circulating flue gas variable valve is arranged on the second circulating flue gas pipeline 17; On the second circulating flue gas pipeline 17, also be provided with the second circulating flue gas pipeline branch pipe 28, arm is between recirculation blower 7 and circulating flue gas variable valve, and described circulating flue gas exhaust-valve 25 is positioned on the second circulating flue gas pipeline branch pipe 28.
The advantage of the utility model is that 1 can effectively handle domestic refuse and organic solid castoff; Under the condition of heating anaerobic, garbage decomposition is become inflammable gas and breeze; The 2 serialization operations that can realize continuously feeding, continuous pyrolysis, slag tap continuously, 3 native systems are with refuse pyrolysis charring furnace and the perfect refuse disposal systems of equipment composition such as pyrolysis gas incinerator, recirculation blower, air preheater, gas blower, pipeline valve.This system only needs the outside that thermal source is provided when starting, and when system normally moved, the pyrolysis gas firing of only using self did not need the external complement thermal source just can reach system self thermal equilibrium as thermal source.The pyrolysis gas that thermal decomposition coke oven is got rid of directly gets into the incinerator burning and produces 850-1100 ℃ high-temperature flue gas, prevents the pyrolysis air cooling back tar blocking pipe equipment of but lowering the temperature.Domestic refuse and organic solid castoff can be realized the processing target of minimizing, innoxious, resource utilization through this system handles.
Description of drawings
Fig. 1 is the structural representation of the utility model charring furnace part;
Fig. 2 is the utility model total system synoptic diagram;
Label declaration
1 feeding unit; The 1-1 opening for feed; The 1-2 pusher; 1-3 solid materials vacuum breaker; The 1-4 extrusion chamber; 2 pyrolysis charring furnace bodies; 2-1 thermal decomposition coke oven inner sleeve; 2-2 thermal decomposition coke oven folder dead level; 2-3 thermal decomposition coke oven outer sleeve; 2-4 major spiral whisking appliance; The built-in trundle screen of 2-5; 2-6 minor spiral whisking appliance; The 2-7 drive unit; The 2-8 sealing-ring; 2-9 material feeding box wear ring; 2-10 feed box wear ring; 3 spiral organs of slagging tap; The 3-1 spiral case; The 3-2 cooling water jecket; 3-3 axle spiral; The 3-4 motor; The 3-6 carbon inlet port; The 3-7 entrance of cooling water; The 3-8 cooling water outlet; The 3-9 carbon outleting port; 4 pyrolysis gas outlets; 5 pyrolysis gas blower fans; 6 pyrolysis gas incinerators; 7 recirculation blowers; 8 air preheaters; 9 gas blowers; 10 first combustion gas inlet; 11 second combustion gas inlet; 12 thermal decomposition coke oven exhanst gas outlets; 13 first pyrolysis feed channel; 14 second pyrolysis feed channel; 15 high-temperature flue gas pipelines; 16 first circulating flue gas pipelines; 17 second circulating flue gas pipelines; 18 foul smell suction tubes; 19 first hot foul smell pipes; 20 second hot foul smell pipes; 21 first high-temperature flue gas variable valve; 22 second high-temperature flue gas variable valve; 23 first circulating flue gas variable valve; 24 second circulating flue gas variable valve; 25 circulating flue gas exhaust-valves; 26 rubbish temporary storing bins; 27 suspension buckets; 28 second circulating flue gas pipeline branch pipe; 29 pyrolysis chambers; Carbonization chambers 30.
Embodiment
As shown in Figure 1: it is made up of the feeding unit that is arranged in order and connects 1, pyrolysis charring furnace body 2, the spiral organ 3 of slagging tap;
Feeding unit 1 is made up of opening for feed 1-1, extrusion chamber 1-4, pusher 1-2, solid materials vacuum breaker 1-3; Described extrusion chamber 1-4 is the tubular passage; Opening for feed 1-1 connects on the sidewall of extrusion chamber the place ahead; Pusher 1-2 is positioned at the extrusion chamber 1-4 of opening for feed 1-1 below, and solid materials vacuum breaker 1-3 is located in the chamber of extrusion chamber 1-4 posterior segment; In the use; Rubbish is through the solid materials vacuum breaker of feeding unit and the compression prograding of pusher; Make the waste layer compression compact and reduce air and bring pyrolysis oven into; Simultaneously rubbish is pushed thermal decomposition coke oven, and stop the pyrolysis gas in the stove outwards to be revealed, guarantee rubbish pyrolysis under oxygen free condition.
Pyrolysis charring furnace body 2 comprises that major spiral whisking appliance 2-4, diameter that thermal decomposition coke oven inner sleeve 2-1, thermal decomposition coke oven outer sleeve 2-3, diameter are not more than thermal decomposition coke oven inner sleeve internal diameter are not more than the built-in trundle screen 2-5 of thermal decomposition coke oven inner sleeve internal diameter, minor spiral whisking appliance 2-6, drive unit 2-7; Described thermal decomposition coke oven inner sleeve is located at 2-3 in the thermal decomposition coke oven outer sleeve; Be provided with between the outer side wall of thermal decomposition coke oven outer sleeve 2-3 two ends and thermal decomposition coke oven inner sleeve 2-1 when thermal decomposition coke oven inner sleeve 2-1 is rotated and thermal decomposition coke oven outer sleeve 2-3 immobilized sealing-ring 2-8, and the gap between thermal decomposition coke oven inner sleeve 2-1 and the thermal decomposition coke oven outer sleeve 2-3 forms thermal decomposition coke oven and presss from both sides dead level 2-2; Thermal decomposition coke oven inner sleeve 2-1 extends at two ends outside the thermal decomposition coke oven outer sleeve 2-3; The output shaft of drive unit is connected in thermal decomposition coke oven inner sleeve 2-1 and drives thermal decomposition coke oven inner sleeve 2-1; The junction of extrusion chamber 1-4 and inner sleeve 2-1 front console is provided with material feeding box wear ring 2-9; Major spiral whisking appliance 2-4 is arranged at preceding half section of thermal decomposition coke oven inner sleeve 2-1 inner chamber; Minor spiral whisking appliance 2-6 is arranged at the second half section of thermal decomposition coke oven inner sleeve 2-1 inner chamber; Be provided with built-in trundle screen 2-5 between major spiral whisking appliance 2-4 and the minor spiral whisking appliance 2-6; On thermal decomposition coke oven outer sleeve 2-3, be provided with the combustion gas inlet and the exhanst gas outlet 12 that press from both sides dead level 2-2 UNICOM with thermal decomposition coke oven, on the material feeding box wear ring 2-9 that thermal decomposition coke oven inner sleeve 2-1 front end is provided with, also be provided with thermal decomposition coke oven inner sleeve 2-1 of UNICOM and extraneous pyrolysis gas outlet 4;
In general, generally between 150-200mm, thermal decomposition coke oven folder dead level mainly is used as the heating exhaust gases passes to the thickness of thermal decomposition coke oven folder dead level.
In thermal decomposition coke oven; The rubbish of high-temperature flue gas in thermal decomposition coke oven folder dead level and thermal decomposition coke oven inner sleeve is made counter-current flow; The organic matter of domestic refuse is heated to 300-400 ℃ under anaerobic state, be broken down into inflammable gas and claim pyrolysis gas and breeze, and the high-temperature flue gas after inflammable gas burns is as the thermal source of refuse pyrolysis carbonization; Part heats flue gas in system's internal recycle utilization; System thermal reaches homeostasis, and the breeze that pyrolysis produces can be used as charcoal and sells outward, has realized domestic refuse minimizing, innoxious, recycling treatment requirement.
Built-in trundle screen is conical trundle screen, and conical trundle screen is positioned at apart from thermal decomposition coke oven inner sleeve 2-1, is 1/2～2/3 place of thermal decomposition coke oven total length apart from the distance of feed end.Conical trundle screen is divided into two Room with thermal decomposition coke oven, and the function of cup is the drying garbage pyrolysis, and back chamber function is the carbonization of refuse pyrolysis residue.
Major spiral whisking appliance and minor spiral whisking appliance can realize increasing mixing of materials effect in the pyrolysis oven, prevent coking in the refuse pyrolysis charring furnace, the intensifying heat transfer effect.
The spiral organ 3 of slagging tap is made up of spiral case 3-1, cooling water jecket 3-2, axle spiral 3-3, motor 3-4; The aft end face junction of the leading portion of spiral case 3-1 and thermal decomposition coke oven inner sleeve 2-1 is provided with feed box wear ring 2-10, and the housing top that spiral case 3-1 extends into thermal decomposition coke oven inner sleeve 2-1 part is provided with carbon inlet port 3-6; The outer side wall that spiral case 3-1 does not extend into thermal decomposition coke oven inner sleeve 2-1 part is provided with cooling water jecket 3-2; Cooling water jecket 3-2 outer side wall is respectively equipped with entrance of cooling water 3-7 and cooling water outlet 3-8, below spiral case 3-1 does not extend into thermal decomposition coke oven inner sleeve 2-1 latter end sidewall partly, also is provided with the carbon outleting port 3-9 with extraneous UNICOM; Axle spiral 3-3 two ends are connected in the forward and backward two ends of spiral case 3-1, and an axle spiral 3-3 is connected with motor 3-4 and is driven by motor 3-4.
For fear of early stage sanitary fill environment is impacted, the utility model also comprises rubbish temporary storing bin 26, rubbish temporary storing bin 26 is a sealed chamber, inside is provided with suspension bucket 27, the opening for feed 1-1 of feeding unit partly is arranged in the rubbish temporary storing bin 26.Both made things convenient for the conveying of rubbish, the gas leak that can avoid rubbish fermentation to produce again.
Combustion gas inlet is arranged in the below of thermal decomposition coke oven outer sleeve 2-3, back segment sidewall, and exhanst gas outlet is positioned at the top of thermal decomposition coke oven outer sleeve front end; The entrance of cooling water 3-7 of cooling water jecket outer side wall is positioned at the below of cooling water jecket 3-2 rear end sidewall, and cooling water outlet 3-8 is positioned at the top of cooling water jecket 3-2 front end side wall.Better in order to ensure cooling performance; It is stepped to make that simultaneously cooling temperature appears; General entrance of cooling water 3-7 is positioned at the below of cooling water jecket 3-2 rear end sidewall, and cooling water outlet 3-8 is positioned at the top of cooling water jecket 3-2 front end side wall, makes water coolant and high temperature breeze make countercurrent movement; To obtain bigger heat transfer temperature difference, improve the cooling performance of equipment.
Combustion gas inlet is divided into first combustion gas inlet 10 and second combustion gas inlet 11; Described first combustion gas inlet 10 is positioned at the terminal correspondence position of major spiral whisking appliance 2-4, and described second combustion gas inlet 11 is positioned at the terminal correspondence position of minor spiral whisking appliance 2-6.Because in the refuse treatment process, in the major spiral whisking appliance with the minor spiral whisking appliance in treatment temp different, so adopt better attemperation of the mode of supplying gas respectively.
As shown in Figure 2: in order to strengthen the utility model; Further reduce waste discharge; With resource rational utilization; The inflammable gas that the waste discharge here mainly is meant in the treating processes to be produced, the utility model also comprises gas, thermocirculator, gas, thermocirculator are by the first pyrolysis feed channel 13, pyrolysis gas blower fan 5, the second pyrolysis feed channel 14, pyrolysis gas incinerator 6, high-temperature flue gas pipeline 15, high-temperature flue gas variable valve; The first circulating flue gas pipeline 16, recirculation blower 7, the second circulating flue gas pipeline 17, circulating flue gas variable valve, circulating flue gas exhaust-valve 25; The first pyrolysis feed channel 13, pyrolysis gas blower fan 5, the second pyrolysis feed channel 14, pyrolysis gas incinerator 6, high-temperature flue gas pipeline 15 connect successively; The top of the first pyrolysis feed channel 13 connects pyrolysis gas outlet 4; The end of high-temperature flue gas pipeline 15 is connected with combustion gas inlet, and the high-temperature flue gas variable valve is arranged on the high-temperature flue gas pipeline 15; The first circulating flue gas pipeline 16, recirculation blower 7, the second circulating flue gas pipeline 17 connect successively; The top of the first circulating flue gas pipeline 16 is connected in exhanst gas outlet 12; The end of the second circulating flue gas pipeline 17 is connected in combustion gas inlet; The circulating flue gas variable valve is arranged on the second circulating flue gas pipeline 17; On the second circulating flue gas pipeline 17, also be provided with the second circulating flue gas pipeline branch pipe 28, arm is between recirculation blower 7 and circulating flue gas variable valve, and described circulating flue gas exhaust-valve 25 is positioned on the second circulating flue gas pipeline branch pipe 28.
In front on the basis of pipeline; Also comprise the hot foul smell pipe of foul smell suction tube 18, air preheater 8, first 19, gas blower 9, the second hot foul smell pipe 20; The hot foul smell pipe of described foul smell suction tube 18, air preheater 8, first 19, gas blower 9, the second hot foul smell pipe 20 connect successively; Foul smell suction tube 18 tops are connected in the rubbish temporary storing bin, and second hot foul smell pipe 20 ends are connected in pyrolysis gas incinerator 6, and air preheater 8 is connected with the second circulating flue gas pipeline branch pipe 28.
During above-mentioned pipeline distributes; The high-temperature flue gas variable valve is divided into the first high-temperature flue gas variable valve 21 and the second high-temperature flue gas variable valve 22; Described circulating flue gas variable valve is divided into the first circulating flue gas variable valve 23 and the second circulating flue gas variable valve 24; High-temperature flue gas pipeline 15 is connected in first combustion gas inlet 10 and second combustion gas inlet 11 simultaneously; The first high-temperature flue gas variable valve, 21 corresponding first combustion gas inlet, 10, the second high-temperature flue gas variable valve, 22 corresponding second combustion gas inlet 11; The second circulating flue gas pipeline 17 is connected in first combustion gas inlet 10 and second combustion gas inlet 11 simultaneously; The first circulating flue gas variable valve, 23 corresponding first combustion gas inlet, 10, the second circulating flue gas variable valve, 24 corresponding second combustion gas inlet 11.
The utility model operating method and principle of work are following:
Screen out inorganics and the domestic refuse after fragmentation, magnetic separation and it is sent into the opening for feed 1-1 of feeding unit 1 with grabbing bucket; Under the combined action of hydraulic pressure pusher 1-2 and solid materials vacuum breaker 1-3, rubbish is compressed and pushes thermal decomposition coke oven inner core 2-1, under the pyrolysis oven inner core rotatablely moves drive; Dry thermal cracking limit, rubbish limit moves to built-in trundle screen 2-5 to caudal directions; Pyrolytic rubbish sieves through trundle screen, and the little rubbish of particle diameter gets into the carbonization chamber through sieve aperture, returns the pyrolysis chamber more than the big 50mm of particle diameter; Breeze through carbonization is exported by the spiral 3 of slagging tap, and after cooling, stores for sale.
The pyrolysis gas that the pyrolysis carbonization produces is discharged from pyrolysis gas outlet 4; Cause pyrolysis gas blower fan 5 through the first pyrolysis feed channel 13; Deliver to 6 burnings of pyrolysis gas incinerator through pressurization back by the second pyrolysis feed channel 14, the high-temperature flue gas of generation is regulated through high-temperature flue gas pipeline 15 and the first high-temperature flue gas variable valve 23, the second high-temperature flue gas variable valve 24 and is merged the entering thermal decomposition coke oven with circulating flue gas behind the flows and press from both sides dead level.High-temperature flue gas is discharged from thermal decomposition coke oven exhanst gas outlet 12 through the cooling back of conducting heat; Cause recirculation blower 7 through the first circulating flue gas pipeline 16, after pressurization rear section flue gas is regulated flows through the second circulating flue gas pipeline 17 and the first circulating flue gas variable valve 23, the second circulating flue gas variable valve 24, mixes and deliver to respectively that first thermal decomposition coke oven heats gas approach 10 and second thermal decomposition coke oven heats gas approach 11 with high-temperature flue gas.The part waste heat flue gas of discharging from recirculation blower after air preheater 8 heat exchange by the pipeline high altitude discharge.
Pyrolysis gas burns required air and extracts out from the rubbish storehouse through the first foul smell suction channel 20, after air preheater 8 heating, delivers to gas blower 9 through the second hot foul smell pipe 21 again, after the gas blower pressurization, delivers to pyrolysis gas incinerator and pyrolysis gas mixed burning.
The unloading phase of refuse pyrolysis charring furnace system, replace pyrolysis gas in pyrolysis gas incinerator internal combustion, produce high-temperature flue gas and be used for the thermal decomposition coke oven heating with liquefied gas or solar oil, treat that pyrolysis gas produces q.s after, close liquefied gas, change pyrolysis gas over to and burn.
The application system of this pyrolysis carbonization charring furnace is in the refuse treatment process; Can adopt continuously feeding, continuous pyrolysis, slag tap continuously, thermal decomposition coke oven furnace body inner housing tube is cut apart former and later two chambers of formation by built-in trundle screen and is respectively pyrolysis chamber 29 and carbonization chamber 30, and the temperature of pyrolysis chamber 29 is controlled at 300-350 ℃; Residence time of 29 is 20～30 minutes to rubbish in the pyrolysis chamber; Carbonization chamber 30 temperature are controlled at 400-450 ℃, and rubbish is 15～25 minutes in the residence time of carbonization chamber 30, and pyrolysis gas incinerator smoke temperature is controlled at 850-1000 ℃; Get into the piece footpath≤250mm of pyrolysis charring furnace body rubbish, water ratio≤30%.Rubbish needn't be strict broken, the system thermal homeostasis.
When adverse current revolution thermal decomposition coke oven rotates; Rubbish moves to 2/3 trundle screen from burner to the stove tail and sieves; Pyrolytic bulk rubbish does not return pyrolysis chamber's continuation pyrolysis, and the less pyrolyzate of particle diameter gets into the carbonization chamber, makes rubbish obtain even carbonization in the carbonization chamber.In adverse current revolution thermal decomposition coke oven, unpowered large and small spiral stirrer spiral is set; Large and small spiral stirrer is done driven rotation when thermal decomposition coke oven rotates, and stirs the pyrolysis charring product, makes the material thermally equivalent; Prevent the furnace wall high-temperature coking, strengthen the heat-transfer effect of stove.
Adopt the application system of this thermal decomposition coke oven.High-temperature gas that the pyrolysis gas firing produces and heating flue gas are done recycle, have promoted system's heat utilization efficiency greatly, and the heat that the pyrolysis gas firing produces satisfies system thermal consumption, realizes the heat energy homeostasis, and remaining breeze can be used as charcoal and sells outward.
This thermal decomposition coke oven and application system thereof adopt low temperature pyrogenation, high temperature cabonization, continuously feeding, continuous pyrolysis, slag tap and the homeostatic Technology of heat energy continuously, and single stove daily handling ability is a 30-200 ton rubbish.Can satisfy the requirement of different treatment scale.
Claims (8)
1. an adverse current is turned round domestic garbage pyrolysis charring furnace system, it is characterized in that: it is made up of the feeding unit that is arranged in order and connect (1), pyrolysis charring furnace body (2), the spiral organ of slagging tap (3);
Feeding unit (1) is made up of opening for feed (1-1), extrusion chamber (1-4), pusher (1-2), solid materials vacuum breaker (1-3); Described extrusion chamber (1-4) is the tubular passage; Opening for feed (1-1) connects on the sidewall of extrusion chamber the place ahead; Pusher (1-2) is positioned at the extrusion chamber (1-4) of opening for feed (1-1) below, and solid materials vacuum breaker (1-3) is located in the chamber of extrusion chamber (1-4) posterior segment;
Pyrolysis charring furnace body (2) comprises that major spiral whisking appliance (2-4), diameter that thermal decomposition coke oven inner sleeve (2-1), thermal decomposition coke oven outer sleeve (2-3), diameter are not more than thermal decomposition coke oven inner sleeve internal diameter are not more than the built-in trundle screen of thermal decomposition coke oven inner sleeve internal diameter (2-5), minor spiral whisking appliance (2-6), drive unit (2-7); Described thermal decomposition coke oven inner sleeve is located in the thermal decomposition coke oven outer sleeve (2-3); Be provided with between the outer side wall of thermal decomposition coke oven outer sleeve (2-3) two ends and thermal decomposition coke oven inner sleeve (2-1) when thermal decomposition coke oven inner sleeve (2-1) is rotated and thermal decomposition coke oven outer sleeve (2-3) immobilized sealing-ring (2-8), and the gap between thermal decomposition coke oven inner sleeve (2-1) and the thermal decomposition coke oven outer sleeve (2-3) forms thermal decomposition coke oven and presss from both sides dead level (2-2); Extend outside the thermal decomposition coke oven outer sleeve (2-3) at thermal decomposition coke oven inner sleeve (2-1) two ends; The output shaft of drive unit is connected in thermal decomposition coke oven inner sleeve (2-1) and drives thermal decomposition coke oven inner sleeve (2-1); Extrusion chamber (1-4) is provided with material feeding box wear ring (2-9) with the junction of inner sleeve (2-1) front console; Major spiral whisking appliance (2-4) is arranged at preceding half section of thermal decomposition coke oven inner sleeve (2-1) inner chamber; Minor spiral whisking appliance (2-6) is arranged at the second half section of thermal decomposition coke oven inner sleeve (2-1) inner chamber; Be provided with built-in trundle screen (2-5) between major spiral whisking appliance (2-4) and the minor spiral whisking appliance (2-6); On thermal decomposition coke oven outer sleeve (2-3), be provided with combustion gas inlet and exhanst gas outlet (12) with thermal decomposition coke oven folder dead level (2-2) UNICOM; On the material feeding box wear ring (2-9) that thermal decomposition coke oven inner sleeve (2-1) front end is provided with, also be provided with UNICOM's thermal decomposition coke oven inner sleeve (2-1) and extraneous pyrolysis gas outlet (4);
The spiral organ (3) of slagging tap is made up of spiral case (3-1), cooling water jecket (3-2), axle spiral (3-3), motor (3-4); The aft end face junction of the leading portion of spiral case (3-1) and thermal decomposition coke oven inner sleeve (2-1) is provided with feed box wear ring (2-10), and the housing top that spiral case (3-1) extends into thermal decomposition coke oven inner sleeve (2-1) part is provided with carbon inlet port (3-6); The outer side wall that spiral case (3-1) does not extend into thermal decomposition coke oven inner sleeve (2-1) part is provided with cooling water jecket (3-2); Cooling water jecket (3-2) outer side wall is respectively equipped with entrance of cooling water (3-7) and cooling water outlet (3-8), below spiral case (3-1) does not extend into thermal decomposition coke oven inner sleeve (2-1) latter end sidewall partly, also is provided with the carbon outleting port (3-9) with extraneous UNICOM; Axle spiral (3-3) two ends are connected in the forward and backward two ends of spiral case (3-1), and an axle spiral (3-3) is connected with motor (3-4) and is driven by motor (3-4).
2. adverse current according to claim 1 is turned round domestic garbage pyrolysis charring furnace system; It is characterized in that: it also comprises rubbish temporary storing bin (26); Rubbish temporary storing bin (26) is a sealed chamber; Inside is provided with suspension bucket (27), and the opening for feed of feeding unit (1-1) part is arranged in the rubbish temporary storing bin (26).
3. adverse current according to claim 1 is turned round domestic garbage pyrolysis charring furnace system; It is characterized in that: described combustion gas inlet is arranged in the below of thermal decomposition coke oven outer sleeve (2-3), back segment sidewall, and exhanst gas outlet is positioned at the top of thermal decomposition coke oven outer sleeve front end; The entrance of cooling water of cooling water jecket outer side wall (3-7) is positioned at the below of cooling water jecket (3-2) rear end sidewall, and cooling water outlet (3-8) is positioned at the top of cooling water jecket (3-2) front end side wall.
4. adverse current according to claim 1 is turned round domestic garbage pyrolysis charring furnace system; It is characterized in that: combustion gas inlet is divided into first combustion gas inlet (10) and second combustion gas inlet (11); Described first combustion gas inlet (10) is positioned at the terminal correspondence position of major spiral whisking appliance (2-4), and described second combustion gas inlet (11) is positioned at the terminal correspondence position of minor spiral whisking appliance (2-6).
5. adverse current according to claim 1 is turned round domestic garbage pyrolysis charring furnace system; It is characterized in that: it also comprises gas, thermocirculator; Gas, thermocirculator are by the first pyrolysis feed channel (13), pyrolysis gas blower fan (5), the second pyrolysis feed channel (14), pyrolysis gas incinerator (6), high-temperature flue gas pipeline (15), high-temperature flue gas variable valve; The first circulating flue gas pipeline (16), recirculation blower (7), the second circulating flue gas pipeline (17), circulating flue gas variable valve, circulating flue gas exhaust-valve (25); The first pyrolysis feed channel (13), pyrolysis gas blower fan (5), the second pyrolysis feed channel (14), pyrolysis gas incinerator (6), high-temperature flue gas pipeline (15) connect successively; The top of the first pyrolysis feed channel (13) connects pyrolysis gas outlet (4); The end of high-temperature flue gas pipeline (15) is connected with combustion gas inlet, and the high-temperature flue gas variable valve is arranged on the high-temperature flue gas pipeline (15); The first circulating flue gas pipeline (16), recirculation blower (7), the second circulating flue gas pipeline (17) connect successively; The top of the first circulating flue gas pipeline (16) is connected in exhanst gas outlet (12); The end of the second circulating flue gas pipeline (17) is connected in combustion gas inlet; The circulating flue gas variable valve is arranged on the second circulating flue gas pipeline (17); On the second circulating flue gas pipeline (17), also be provided with the second circulating flue gas pipeline branch pipe (28), arm is positioned between recirculation blower (7) and the circulating flue gas variable valve, and described circulating flue gas exhaust-valve (25) is positioned on the second circulating flue gas pipeline branch pipe (28).
6. adverse current according to claim 5 is turned round domestic garbage pyrolysis charring furnace system; It is characterized in that: it also comprises foul smell suction tube (18), air preheater (8), the first hot foul smell pipe (19), gas blower (9), the second hot foul smell pipe (20); Described foul smell suction tube (18), air preheater (8), the first hot foul smell pipe (19), gas blower (9), the second hot foul smell pipe (20) connect successively; Foul smell suction tube (18) top is connected in the rubbish temporary storing bin; Second hot foul smell pipe (20) end is connected in pyrolysis gas incinerator (6), and air preheater (8) is connected with the second circulating flue gas pipeline branch pipe (28).
7. adverse current according to claim 5 is turned round domestic garbage pyrolysis charring furnace system; It is characterized in that: described high-temperature flue gas variable valve is divided into the first high-temperature flue gas variable valve (21) and the second high-temperature flue gas variable valve (22); Described circulating flue gas variable valve is divided into the first circulating flue gas variable valve (23) and the second circulating flue gas variable valve (24); High-temperature flue gas pipeline (15) is connected in first combustion gas inlet (10) and second combustion gas inlet (11) simultaneously; First corresponding first combustion gas inlet of high-temperature flue gas variable valve (21) (10), second corresponding second combustion gas inlet of high-temperature flue gas variable valve (22) (11); The second circulating flue gas pipeline (17) is connected in first combustion gas inlet (10) and second combustion gas inlet (11) simultaneously; First corresponding first combustion gas inlet of circulating flue gas variable valve (23) (10), second corresponding second combustion gas inlet of circulating flue gas variable valve (24) (11).
8. adverse current according to claim 1 is turned round domestic garbage pyrolysis charring furnace system; It is characterized in that: described built-in trundle screen is conical trundle screen; And conical trundle screen is positioned at apart from thermal decomposition coke oven inner sleeve (2-1), is 1/2～2/3 place of thermal decomposition coke oven total length apart from the distance of feed end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206497 CN202610179U (en) | 2012-05-09 | 2012-05-09 | Counter-flow and rotary type household garbage pyrolysis carbonization furnace system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206497 CN202610179U (en) | 2012-05-09 | 2012-05-09 | Counter-flow and rotary type household garbage pyrolysis carbonization furnace system |
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| CN202610179U true CN202610179U (en) | 2012-12-19 |
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| CN 201220206497 Expired - Lifetime CN202610179U (en) | 2012-05-09 | 2012-05-09 | Counter-flow and rotary type household garbage pyrolysis carbonization furnace system |
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| CN102660306A (en) * | 2012-05-09 | 2012-09-12 | 李海明 | Reflux rotating household garbage pyrolysis carbonization furnace system and garbage disposal process |
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| CN102660306B (en) * | 2012-05-09 | 2013-12-04 | 李海明 | Reflux rotating household garbage pyrolysis carbonization furnace system and garbage disposal process |
| CN102660306A (en) * | 2012-05-09 | 2012-09-12 | 李海明 | Reflux rotating household garbage pyrolysis carbonization furnace system and garbage disposal process |
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| CN104566406B (en) * | 2014-12-04 | 2016-12-07 | 浙江理工大学 | A kind of incinerator of crop material |
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| WO2018040264A1 (en) * | 2016-08-31 | 2018-03-08 | 广东新生环保科技股份有限公司 | Organic polymer waste material treatment device |
| CN109420669A (en) * | 2017-09-05 | 2019-03-05 | 中国石油化学工业开发股份有限公司 | Method for recovering polluted soil containing mercury and dioxin and treatment equipment |
| CN107726336A (en) * | 2017-11-16 | 2018-02-23 | 华清绿景（北京）生态环境损害评估鉴定技术研究中心 | A kind of combustion gas rotary furnace biological organic matter annealing device |
| CN108559536A (en) * | 2018-03-14 | 2018-09-21 | 湖南省环境保护科学研究院(湖南省无公害生态经济研究所) | A kind of house refuse screening sterilizing low temperature pyrogenation combination unit |
| CN108559536B (en) * | 2018-03-14 | 2023-12-19 | 湖南省环境保护科学研究院(湖南省无公害生态经济研究所) | Household garbage screening, sterilizing and low-temperature pyrolysis combined device |
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