CN206904985U - A kind of domestic garbage gasification CIU - Google Patents

A kind of domestic garbage gasification CIU Download PDF

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Publication number
CN206904985U
CN206904985U CN201720349165.9U CN201720349165U CN206904985U CN 206904985 U CN206904985 U CN 206904985U CN 201720349165 U CN201720349165 U CN 201720349165U CN 206904985 U CN206904985 U CN 206904985U
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China
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air
heat
firing chamber
domestic garbage
incinerator
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CN201720349165.9U
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辛涛
侯忠明
姚凯
王文杰
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Institute Of Architectural Engineering Logistics Support Department Of Central Military Commission
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Institute Of Architectural Engineering Logistics Support Department Of Central Military Commission
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Abstract

The utility model provides a kind of domestic garbage gasification CIU, it includes incinerator, dual firing chamber, heat-exchanger rig, exhaust gas processing device and electric control system, wherein, incinerator sets First air air inlet system, and First air air inlet system includes primary air fan, heat exchanger and primary air intake pipe road;First air enters incinerator after the preheating of flue gas.Incinerator is connected with dual firing chamber, dual firing chamber is connected with heat-exchanger rig, heat-exchanger rig is connected with heat exchanger, and heat exchanger is connected with exhaust gas processing device, and electric control system electrically connects with incinerator, dual firing chamber, heat-exchanger rig, First air air inlet system and exhaust gas processing device respectively.A kind of domestic garbage gasification CIU provided by the utility model so that pre-warmed First air enters a combustion room, maintains the stabilization in the indoor temperature field of a combustion and improves the stability of a combustion room pyrolytic incineration.

Description

A kind of domestic garbage gasification CIU
Technical field
The utility model belongs to Consideration of MSW Incineration Technology field, is related to a kind of domestic garbage gasification CIU.
Background technology
Incineration of Household Refuse mainly has the technology types such as mechanical grate furnace, vulcanization pool furnace, pyrolysis gasification furnace, raw Maximization incinerator technology maturation used in incineration treatment of garbage living, to solve the problems, such as that treatment of urban garbage has played important work With.
However, small-sized consumer waste incineration system is because garbage treatment quantity is small, relatively large-scale consumer waste incineration system rubbish Rubbish pyrolytic incineration generation total amount of heat is less, and system operating temperature control is more difficult, the control of particularly one combustion room pyrolytic incineration temperature. Unstable, automaticity is low, site work environment is poor, discharge is difficult in the presence of burning for the compact apparatus of consumer waste incineration processing The problem of technology of grade up to standard so that the processing of the consumer waste incineration in small town and remote villages and small towns lacks effective means.
Utility model content
The defects of in order to overcome above-mentioned prior art to exist, the purpose of this utility model are to provide a kind of house refuse gas Change CIU so that pre-warmed First air enters a combustion room, maintains the stabilization in the indoor temperature field of a combustion and improves a combustion The stability of room pyrolytic incineration, ensure that incinerator outside wall temperature is up to standard and heat effective recycling, and automation is provided Operation level.
The utility model is to be achieved through the following technical solutions:
A kind of domestic garbage gasification CIU, it includes incinerator, dual firing chamber, heat-exchanger rig, vent gas treatment dress Put and electric control system, wherein,
Also include First air air inlet system, First air air inlet system includes primary air fan, heat exchanger and First air air intake Pipeline;The heat exchanger has exhaust gases passes and air duct, and the both ends of exhaust gases passes connect the flue gas of heat-exchanger rig respectively Outlet and the smoke inlet of exhaust gas processing device;One end connection primary air fan of air duct, other end connection First air air intake Pipeline;The other end connection incinerator in primary air intake pipe road;Incinerator includes a combustion room;One combustion outside is set Water-cooling jacket, it injects cooling water into chuck by circulating pump;
Incinerator is connected with dual firing chamber, and dual firing chamber is connected with heat-exchanger rig, and heat-exchanger rig is connected with heat exchanger, heat Exchanger is connected with exhaust gas processing device, electric control system respectively with incinerator, dual firing chamber, heat-exchanger rig, First air Air inlet system and exhaust gas processing device electrical connection.
Preferably, heat exchanger will be heated to 200 DEG C or so needed for First air.
Preferably, double roller charger is set above a combustion room, loading channel is set above double roller charger;Below one combustion room Rotary fire grate is set, dirt-excluding bucket is set below rotary fire grate.
It is further preferred that primary air intake pipe road is connected to rotary fire grate bottom.
It is further preferred that dirt-excluding bucket has elevating function, edge sets sealing ring.
It is further preferred that a combustion room sets emergent evacuation mouth.
It is further preferred that double roller charger is jacket type double roller charger, it is injected by circulating pump into chuck follows Ring cooling water.
Preferably, the inside of dual firing chamber is piled up using refractory material and refractory brick;Dual firing chamber top sets secondary confession respectively Air port and upper pipeline connection port, upper pipeline connection port are connected with incinerator;Dual firing chamber bottom sets ash disposal mouth with respectively Pipeline connection port, lower pipeline connection port are connected with heat-exchanger rig;
Dual firing chamber also sets up overfire air fan, the air outlet connecting secondary air feed mouth of overfire air fan.
It is further preferred that the time that flue gas rests on dual firing chamber is more than 2 seconds, temperature is higher than 850 DEG C, makes having in flue gas Malicious composition decomposes completely.
It is further preferred that being connected between dual firing chamber and incinerator by the connecting pipe that gasifies, gasify connecting pipe Inside is piled up by refractory material, and outer wrap has heat-preservation cotton and covering.
Preferably, heat-exchanger rig is waste heat boiler;The lower end of waste heat boiler sets gas approach, and is connected with dual firing chamber; The upper end of waste heat boiler sets exhanst gas outlet, and is connected with the exhaust gases passes of heat exchanger.It is further preferred that waste heat boiler is used In the temperature for reducing dual firing chamber's outlet high-temperature flue gas, 850 flue gases above Celsius are down to 300 DEG C or so.
Preferably, what exhaust gas processing device included being sequentially connected removes acid tower, sack cleaner, air-introduced machine and chimney;Deacidification The smoke inlet of tower and the exhanst gas outlet of heat-exchanger rig connect.
It is further preferred that except acid tower is provided with lye tank and pumping system, pumping system alkali lye is atomized and on toward Lower penetrating removes acid tower.
It is further preferred that electric control system control under, alkali lye straying quatity by pumping system according to flue-gas temperature from Dynamic adjustment, the water for ensureing to spray into alkali lye is gasified totally enters next link with flue gas, except acid tower outlet temperature is controlled at 200 DEG C Left and right.
It is further preferred that sack cleaner is double dust collection device integrated deduster in parallel, can automatically switch;Baker and Use side deduster when opening heater stage, use opposite side deduster during domestic garbage gasification CIU normal operation.
It is further preferred that air-introduced machine is chuck water cooling air-introduced machine.
Preferably, electric control system is made up of PLC robot control system(RCS)s and manual alternate operating system, including two contain display The computer of device, a set of CPU CPU;DI modules, DO modules, AI modules, AO modules are configured on demand and become frequency modulation Speed variator.Software operating platform uses the full Chinese operating systems of WINDOWS.NET.By to be arranged on it is corresponding on relevant position Detector connection, can be achieved to detect and simultaneously show a combustion room flue-gas temperature, dual firing chamber's upper temp, dual firing chamber's middle portion temperature, pot Stove inlet temperature, deacidification spray tower inlet temperature, sack cleaner inlet temperature, air-introduced machine inlet temperature, a combustion room furnace bottom pressure Power, a combustion room combustion chamber draft, sack cleaner inlet outlet pressure differential, boiler drum water level, CO contents, O2Content etc..By with phase Answer the control unit on part to connect, control double roller charger charging rate, air inducing unit frequency, revolving burner discharge can be realized Slag, deduster switch, except acid tower spray alkali lye amount, primary air fan flow, overfire air fan flow etc..
Compared with prior art, the utility model has technique effect beneficial below:
A kind of domestic garbage gasification CIU provided by the utility model, electric control system respectively with gasification burning Stove, dual firing chamber, heat-exchanger rig, exhaust gas processing device and the electrical connection of First air air inlet system, First air air inlet system is by First air Machine, heat exchanger and primary air intake pipe road composition, heat exchanger are provided with exhaust gases passes and air duct.The First air of the system Pass through the heating of exhaust gas processing device in a heat exchanger, into incinerator, avoiding the entrance of cold air causes to gasify The big ups and downs of temperature field in furnace and the unstability of incineration firing are burned, and realize the recovery of heat, improve heat Utilization ratio.One combustion outside sets water-cooling jacket, and it injects cooling water into chuck by circulating pump.The side of water-cooling jacket one Face ensures that a combustion outdoor wall temperature reaches standard requirement, meanwhile, caused hot water recoverable.Using life of the present utility model Refuse burning system living, day processing quantity of refuse adjustable extent is big, can big model by adjusting an air output and rubbish addition The day output of regulation rubbish is enclosed, makes the adaptability of system stronger.Meanwhile the system automation degree is high, simple to operate, effectively Reduce intensity of workers.
Further, loading channel is arranged on above a combustion room, and dirt-excluding bucket is arranged on below a combustion room, and rubbish fires room from one Top enters incinerator, and the lime-ash of after-flame leaves incinerator from below, simple to operate and steady effectively by gravity It is fixed.The double roller charger addition house refuse uniform and stable to a combustion room, house refuse enter a combustion room pyrolytic gasification, and generation can Combustion gas body and burnable granule, it is sent into by First air air inlet system and preheats later air, oxygen is provided for pyrolytic gasification, is lived Refuse pyrolysis gasification completes generation after-flame lime-ash and enters dirt-excluding bucket by rotary fire grate deslagging.
Further, primary air intake pipe road is connected to rotary fire grate bottom.In this way, First air is by by the clinker in fire grate Further heating, the heat of clinker is reclaimed and has further improved the stability of incinerator work;On the other hand, once Wind realizes cooling to clinker so that slag temperature reduces, and is easy to it to enter dirt-excluding bucket.
Further, dirt-excluding bucket has elevating function, and edge sets sealing ring.In this way, dirt-excluding bucket and one can be caused to fire The slag notch connection sealing of room, meet the seal request of a combustion room.
Further, a combustion room sets emergent evacuation mouth, solves the potential safety hazard that a combustion room detonation is brought.
Further, double roller charger is jacket type double roller charger, and it is cold that it injects into chuck circulation by circulating pump But water.On the one hand chuck ensures that double roller charger outside wall temperature reaches standard requirement, meanwhile, caused hot water recoverable, And the temperature of double roller charger in itself can also be effectively reduced.
Further, the inside of dual firing chamber is piled up using refractory material and refractory brick;This can ensure that dual firing chamber's tolerance is high Temperature and stable operation;Ash disposal mouth is easy to the cleaning of the dust attached in dual firing chamber.Air is sent into dual firing chamber by overfire air fan, is two Fire the oxygen supply of room high-temp combustion.
Further, connected between dual firing chamber and incinerator by the connecting pipe that gasifies, inside the connecting pipe that gasifies Piled up by refractory material, outer wrap has heat-preservation cotton and covering.Refractory material inside gasification connecting pipe can be with resistance to height Temperature, improve the life-span of gasification connecting pipe;On the one hand outside heat-preservation cotton and covering can reduce the outer of gasification connecting pipe Portion's temperature, it on the other hand can prevent scattering and disappearing for heat.
Further, heat-exchanger rig is waste heat boiler;Waste heat boiler efficiently can produce steam using the heat of flue gas, Realize the conversion and utilization of energy.
Further, air-introduced machine is in negative inside domestic garbage gasification CIU end air inducing, guarantee whole system Pressure condition, prevent flue gas from being shed by device interior, at the same ensure flue gas according to one combustion room, dual firing chamber, heat-exchanger rig, except acid tower, Sack cleaner, air-introduced machine, the flow of chimney, completion processing, and finally discharge.
Further, except acid tower is provided with lye tank and pumping system, alkali lye is atomized and sprayed from top to bottom by pumping system Enter to remove acid tower.The acidic materials that can be effectively gone out except acid tower in flue gas, reduce the discharge of pollutant.
Further, sack cleaner is double dust collection device integrated deduster in parallel, can be automatically switched;Baker and open stove Use side deduster during the stage, use opposite side deduster during domestic garbage gasification CIU normal operation.So, not only Dust removing effects can significantly be improved, and the service life of deduster can be improved.Sack cleaner is used to filter in flue gas Solid particle, ensure the flue gas qualified discharge for entering air-introduced machine discharge.
Further, air-introduced machine is chuck water cooling air-introduced machine, in this way, the service life of air-introduced machine can be improved.
Further, electric control system includes PLC robot control system(RCS)s and manual alternate operating system, and it both can be normal The automatic operating of whole domestic garbage gasification CIU is realized under operation, can also be realized in an emergency situation or if necessary Control manually, safety coefficient are high.
Under the auxiliary of electric control system, refuse gasification CIU automaticity provided by the utility model is high, It is simple to operate, intensity of workers is effectively reduced, auto feed, automatic discharge, good airproof performance, whole system inside are negative Pressure operation, ensure no flying dust flue dust outflow, site work environment is good, and rubbish day output adjustable extent is big, passes through regulation one Secondary air output and rubbish addition can adjust the day output of rubbish on a large scale, make the adaptability of system stronger.
Brief description of the drawings
Fig. 1 is domestic garbage gasification CIU structural representation of the present utility model, and the schematic diagram does not show electric-controlled System processed.
Wherein:1 is loading channel;2 be double roller charger;3 be a combustion room;4 be gasification connecting pipe;5 be dual firing chamber;6 For heat exchanger;7 be primary air fan;8 be except acid tower;9 be sack cleaner;10 be chimney;11 be air-introduced machine;12 be waste heat pot Stove;13 be heat exchange connecting pipe;14 be primary air intake pipe road;15 be dirt-excluding bucket;16 be rotary fire grate;17 be overfire air fan.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
Shown in reference picture 1, domestic garbage gasification CIU provided by the utility model, including incinerator, two combustions Room 5, heat-exchanger rig, exhaust gas processing device and electric control system, wherein,
Also include First air air inlet system, First air air inlet system enters including primary air fan 7, heat exchanger 6 and First air Wind pipeline 14;The heat exchanger 6 has exhaust gases passes and air duct, and the both ends of exhaust gases passes connect heat-exchanger rig respectively The smoke inlet of exhanst gas outlet and exhaust gas processing device;One end connection primary air fan 7 of air duct, other end connection First air Intake stack 14;The other end connection incinerator in primary air intake pipe road 14;
Incinerator is connected with dual firing chamber 5, and dual firing chamber 5 is connected with heat-exchanger rig, and heat-exchanger rig connects with heat exchanger 6 Connect, heat exchanger 6 is connected with exhaust gas processing device, electric control system respectively with incinerator, dual firing chamber 5, heat-exchanger rig, First air air inlet system and exhaust gas processing device electrical connection.
Air is heated to 200 DEG C or so by preferably scheme, heat exchanger 6.
Domestic garbage gasification CIU provided by the utility model, its First air is in heat exchanger 6 by tail gas Heating, into incinerator, avoiding the entrance of cold air causes big ups and downs and the rubbish of gasification burning temperature field in furnace The unstability of burning, and the recovery of heat is realized, improve the utilization ratio of heat.
Wherein, in a kind of feasible implementation, incinerator includes a combustion room 3;The top of one combustion room 3 sets double roller Charger 2, the top of double roller charger 2 set loading channel 1;The lower section of one combustion room 3 sets rotary fire grate 16, the lower section of rotary fire grate 16 Dirt-excluding bucket 15 is set.Loading channel 1 is arranged on the top of a combustion room 3, and dirt-excluding bucket 15 is arranged on the lower section of a combustion room 3, and rubbish fires from one The top of room 3 enters incinerator, and ashes leave incinerator from below, simple to operate and stablize effectively by gravity. The addition house refuse uniform and stable to a combustion room 3 of double roller charger 2, house refuse enter a combustion pyrolytic gasification of room 3, and generation can Combustion gas body and burnable granule, it is sent into by First air air inlet system and preheats later air, oxygen is provided for pyrolytic gasification, is lived Refuse pyrolysis gasification completes generation after-flame lime-ash and enters dirt-excluding bucket 15 by the deslagging of rotary fire grate 16.
Wherein, in a kind of more specifically implementation of the possible implementation, primary air intake pipe road 14 is connected to The bottom of rotary fire grate 16.In this way, First air will further be heated by the clinker in fire grate, the heat of clinker and further has been reclaimed Improve the stability of incinerator work;On the other hand, First air realizes cooling to clinker so that slag temperature drops It is low, it is easy to it to enter dirt-excluding bucket 15.
Wherein, in a kind of more specifically implementation of the possible implementation, dirt-excluding bucket 15 has elevating function, side Edge sets sealing ring.In this way, dirt-excluding bucket 15 can be caused to be connected sealing with a slag notch for firing room 3, meet the sealing of a combustion room 3 It is required that.
Wherein, in a kind of more specifically implementation of the possible implementation, the outside of a combustion room 3 sets water cooling to press from both sides Set, it injects cooling water into chuck by circulating pump.On the one hand water-cooling jacket ensures that the outside wall temperature of a combustion room 3 reaches standard and wanted Ask, meanwhile, caused hot water recoverable.
Wherein, in a kind of more specifically implementation of the possible implementation, a combustion room 3 sets emergent evacuation mouth, Solves the potential safety hazard that a combustion room detonation is brought.
Wherein, in a kind of more specifically implementation of the possible implementation, double roller charger 2 is jacket type double roller Charger 2, it injects recirculated cooling water into chuck by circulating pump.On the one hand chuck ensures the outside wall temperature of double roller charger 2 Reach standard requirement, meanwhile, caused hot water recoverable, and double roller charger 2 temperature of itself can also be effectively reduced Degree.
Wherein, in a kind of feasible implementation, the inside of dual firing chamber 5 is piled up using refractory material and refractory brick;Two The combustion top of room 5 sets secondary air feed mouth and upper pipeline connection port respectively, and upper pipeline connection port is connected with incinerator;Dual firing chamber 5 bottoms set ash disposal mouth and lower pipeline connection port respectively, and lower pipeline connection port is connected by the connecting pipe 13 that exchanges heat with heat-exchanger rig Connect;
Dual firing chamber 5 also sets up overfire air fan 17, the air outlet connecting secondary air feed mouth of overfire air fan 17.Chuck is on the one hand true Protect the outside wall temperature of double roller charger 2 and reach standard requirement, meanwhile, caused hot water recoverable, and can also effectively drop The low temperature of of double roller charger 2 itself.
Preferably scheme, the time that flue gas rests on dual firing chamber 5 are more than 2 seconds, and temperature is higher than 850 DEG C, makes in flue gas Toxic component decompose completely.
Wherein, in a kind of more specifically implementation of the possible implementation, between dual firing chamber 5 and incinerator By gasifying, connecting pipe 4 connects, gasify connecting pipe 4 inside piled up by refractory material, outer wrap have heat-preservation cotton and Covering.Refractory material inside gasification connecting pipe 4 with high temperature resistant, can improve the life-span of gasification connecting pipe 4;Outside guarantor On the one hand warm cotton and covering can reduce the external temperature of gasification connecting pipe 4, on the other hand can prevent scattering and disappearing for heat.
Wherein, in a kind of feasible implementation, heat-exchanger rig is waste heat boiler 12;The lower end of waste heat boiler 12 is set Gas approach, and be connected with dual firing chamber 5;The upper end of waste heat boiler 12 sets exhanst gas outlet, and with the exhaust gases passes of heat exchanger 6 Connection.It is further preferred that waste heat boiler 12 is used to reduce the temperature that dual firing chamber 5 exports high-temperature flue gas, by more than 850 DEG C cigarettes Gas is down to 300 DEG C or so.
Wherein, in a kind of feasible implementation, exhaust gas processing device is including being sequentially connected except acid tower 8, cloth bag remove Dirt device 9, air-introduced machine 11 and chimney 10;Except the smoke inlet of acid tower 8 and the exhanst gas outlet of heat-exchanger rig connect.Air-introduced machine 11 is in life Refuse gasification CIU end air inducing living, ensure to be in negative pressure state inside whole system, prevent flue gas from being dissipated by device interior Go out, at the same ensure flue gas according to one combustion room 3, dual firing chamber 5, heat-exchanger rig, except acid tower 8, sack cleaner 9, air-introduced machine 11, chimney 10 flow, completion processing, and finally discharge.
Wherein, in a kind of more specifically implementation of the possible implementation, except acid tower 8 is provided with lye tank and pump System is sent, alkali lye is atomized and sprayed into from top to bottom by pumping system removes acid tower 8.
Preferably scheme, under electric control system control, alkali lye straying quatity is by pumping system according to flue-gas temperature Adjust automatically, the water for ensureing to spray into alkali lye is gasified totally enters next link with flue gas, except the control of the outlet temperature of acid tower 8 exists 200 DEG C or so.
Wherein, in a kind of more specifically implementation of the possible implementation, sack cleaner 9 be double dust collection device simultaneously The integrated deduster of connection, can automatically switch;Baker and use side deduster when opening heater stage, domestic garbage gasification, which burns, is Opposite side deduster is used during normal operation of uniting.So, it not only can significantly improve dust removing effects, and dedusting can be improved The service life of device.Sack cleaner 9 is used to filter solid particle in flue gas, ensures that the flue gas for entering the discharge of air-introduced machine 11 is up to standard Discharge.
Wherein, in a kind of more specifically implementation of the possible implementation, air-introduced machine 11 is chuck water cooling air inducing Machine.
Wherein, in a kind of feasible implementation, electric control system is by PLC robot control system(RCS)s and manual standby operation system System composition, including two the computer containing display, a set of CPU CPU;Configure on demand DI modules, DO modules, AI modules, AO modules and RHVC.Software operating platform uses the full Chinese operating systems of WINDOWS.NET.By with The corresponding detector connection being arranged on relevant position, it is achievable to detect and show the flue-gas temperature of a combustion room 3, in dual firing chamber 5 Portion's temperature, the middle portion temperature of dual firing chamber 5, boiler inlet temperature, deacidification spray tower inlet temperature, the inlet temperature of sack cleaner 9, draw The inlet temperature of blower fan 11, the combustion furnace bottom pressure of room 3, a combustion combustion chamber draft of room 3, the inlet outlet pressure differential of sack cleaner 9, boiler drum Water level, CO contents, O2Content etc..By being connected with the control unit on corresponding component, it can realize that control double roller charger 2 adds Material speed, the frequency of air-introduced machine 11, rotary fire grate 16 are slagged tap, deduster switches, except acid tower 8 sprays alkali lye amount, primary air fan flow, two Secondary flow of blower fan 17 etc..Electric control system includes PLC robot control system(RCS)s and manual alternate operating system, and it both can normally transported The automatic operating of whole domestic garbage gasification CIU is realized under row, hand can also be realized in an emergency situation or if necessary Dynamic control, safety coefficient are high.Those skilled in the art should know, the electric control system by detection unit, control unit and Execution unit forms, and detection unit includes the corresponding detector connection being arranged on relevant position, is such as arranged in a combustion room 3 Thermocouple etc., these detectors electrically connect with control unit and detection signal are transferred into control unit;Control unit includes Display is used to show detection signal and display control state, is easy to control operation;Control unit also includes processor unit, its Realize processing of data etc..The control unit that execution unit is included on corresponding component connects, such as speed regulator of primary air fan 7, These control units are connected and performed the control signal that control unit is sent with control unit.In this way, whole system realizes certainly Dynamic feedback and control.These detection units, execution unit and control unit and its annexation, connected mode etc. are conventional , operation software and program for control are also existing, can directly buy existing industrial controlling software or work journey Sequence directly uses.Although this electric control system need by program realize control, these all programs neither this The innovative point of utility model, it is not required that the utility model carries out new exploitation or improvement, and existing program can meet this reality With new demand.
The operation principle of domestic garbage gasification CIU provided by the utility model is that rubbish is above loading channel 1 Input, and added the rubbish in loading channel 1 incessantly according to the treating capacity continuous uniform of setting by double roller charger 2 One combustion room 3.Body of heater be divided into from top to bottom burner hearth, drying layer, pyrolytic layer, oxidizing fire layer, warm sludge layer, cold slag blanket, rotary fire grate, Bottom air compartment.From top to bottom slowly moved into the rubbish in stove, First air be sent into the air compartment of bottommost by primary air fan 7, Again from bottom to top enter oxidizing fire layer provide it is combustion-supporting generation high temperature after continuously rise to burner hearth, so with rubbish from top to bottom Form convection current.Just entered stove rubbish in its top-down movement, first by high temperature hot gas stream from bottom to top effect and It is brought rapidly up being dried and evaporates moisture, starts with substantial amounts of organic matter when further rising to more than 600 DEG C of temperature Decomposition gasification is into CO, H2、CmHnDeng combustible gas with rising high-temperature flue gas into secondary combustion chamber burn.With dry thermal cracking Carry out, the temperature of rubbish further raises, and remaining carbon residue enters work of the oxidizing fire layer in First air after organic matter thermal decomposition With lower vigorous combustion and substantial amounts of heat is released, now up to 1100 DEG C or so, these heats supply just to enter the temperature of the part again The rubbish of stove is in the heat needed for dry heating and thermal decomposition process.Under remaining hot-engine sludge ash continues after oxidizing fire Cooled down in shifting by air from bottom to top, the heat of institute's band is absorbed by air and makes air preheat, and the residue after cooling is rotating It is extruded and is broken into the dirt-excluding bucket 15 that block is discharged into below air compartment in the presence of fire grate 16.Caused by being pyrolyzed from a combustion room 3 Fuel gas enters dual firing chamber 5 by the gasification connecting pipe 4 at the top of body of heater, is mixed into the combustible component in the flue gas of dual firing chamber 5 Close overfire air fan 17 to supply oxygen, carry out oxygen-enriched high-temp combustion, for temperature control at 850 DEG C~1100 DEG C, gas residence time is more than 2 Second, ensure fuel gas after-flame.The high-temperature flue gas of dual firing chamber's discharge enters heat exchanger 6 and waste heat by the connecting pipe 13 that exchanges heat The fast cooling of boiler 12, ensure that bioxin secondary will not generate, heat is recycled caused by heat exchange.Thereafter flue gas enters Except acid tower 8, flue gas deacidification is carried out by spraying alkali lye mixing, sack cleaner 9 is entered back into and carries out dedusting, finally by air-introduced machine 11 Flue gas feeding chimney 10 is discharged.

Claims (10)

  1. A kind of 1. domestic garbage gasification CIU, it is characterised in that including be sequentially connected incinerator, dual firing chamber (5), Heat-exchanger rig, exhaust gas processing device;
    Also include First air air inlet system and electric control system;Electric control system respectively with incinerator, dual firing chamber (5), heat-exchanger rig, exhaust gas processing device and the electrical connection of First air air inlet system;
    First air air inlet system is made up of primary air fan (7), heat exchanger (6) and primary air intake pipe road (14);Heat exchanger (6) exhaust gases passes and air duct are provided with, the both ends of exhaust gases passes connect the exhanst gas outlet and vent gas treatment of heat-exchanger rig respectively The smoke inlet of device;One end connection primary air fan (7) of air duct, other end connection primary air intake pipe road (14);One The other end connection incinerator of secondary wind intake stack (14);Incinerator includes combustion room (3), and a combustion outside is set Water-cooling jacket, combustion room (3) inject cooling water into chuck by circulating pump.
  2. 2. domestic garbage gasification CIU as claimed in claim 1, it is characterised in that double roller is set above combustion room (3) Charger (2), double roller charger (2) top set loading channel (1);Rotary fire grate (16), rotation are set below one combustion room (3) Dirt-excluding bucket (15) is set below fire grate (16).
  3. 3. domestic garbage gasification CIU as claimed in claim 2, it is characterised in that combustion room (3) sets emergent evacuation Mouthful.
  4. 4. domestic garbage gasification CIU as claimed in claim 2, it is characterised in that primary air intake pipe road (14) connect To rotary fire grate (16) bottom;Dirt-excluding bucket (15) can lift, and edge sets sealing ring.
  5. 5. domestic garbage gasification CIU as claimed in claim 1, it is characterised in that the inside of dual firing chamber (5) is using resistance to Fiery material and refractory brick are piled up;Dual firing chamber (5) top sets secondary air feed mouth and upper pipeline connection port, upper pipeline connection port respectively It is connected with incinerator;Dual firing chamber (5) bottom sets ash disposal mouth and lower pipeline connection port, lower pipeline connection port and heat exchange respectively Device connects;
    Dual firing chamber (5) also sets up overfire air fan (17), the air outlet connecting secondary air feed mouth of overfire air fan (17).
  6. 6. domestic garbage gasification CIU as claimed in claim 5, it is characterised in that dual firing chamber (5) and incinerator Between connected by the connecting pipe that gasifies (4), is piled up inside gasification connecting pipe (4) by refractory material, outer wrap has Heat-preservation cotton and covering.
  7. 7. domestic garbage gasification CIU as claimed in claim 1, it is characterised in that heat-exchanger rig is waste heat boiler (12);The lower end of waste heat boiler (12) sets gas approach, and is connected with dual firing chamber (5);The upper end of waste heat boiler (12) is set Exhanst gas outlet, and be connected with the exhaust gases passes of heat exchanger (6).
  8. 8. domestic garbage gasification CIU as claimed in claim 1, it is characterised in that exhaust gas processing device includes connecting successively What is connect removes acid tower (8), sack cleaner (9), air-introduced machine (11) and chimney (10);Except the smoke inlet of acid tower (8) fills with heat exchange The exhanst gas outlet connection put.
  9. 9. domestic garbage gasification CIU as claimed in claim 8, it is characterised in that sack cleaner (9) is double dust collection Device integrated deduster in parallel, can automatically switch;Baker and side deduster is used when opening heater stage, domestic garbage gasification burns Opposite side deduster is used during burning system normal operation.
  10. 10. domestic garbage gasification CIU as claimed in claim 8, it is characterised in that air-introduced machine (11) is chuck water cooling Air-introduced machine.
CN201720349165.9U 2017-04-05 2017-04-05 A kind of domestic garbage gasification CIU Expired - Fee Related CN206904985U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109579025A (en) * 2018-11-27 2019-04-05 东北大学 A kind of industrial waste salt efficient fusion incinerator
WO2020113684A1 (en) * 2018-12-06 2020-06-11 舒小明 Vertical waste treatment furnace, and waste treatment system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109579025A (en) * 2018-11-27 2019-04-05 东北大学 A kind of industrial waste salt efficient fusion incinerator
WO2020113684A1 (en) * 2018-12-06 2020-06-11 舒小明 Vertical waste treatment furnace, and waste treatment system and method

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