CN106678822A - Household refuse direct heating oxygen-deficient gasification kiln - Google Patents

Household refuse direct heating oxygen-deficient gasification kiln Download PDF

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Publication number
CN106678822A
CN106678822A CN201710050355.5A CN201710050355A CN106678822A CN 106678822 A CN106678822 A CN 106678822A CN 201710050355 A CN201710050355 A CN 201710050355A CN 106678822 A CN106678822 A CN 106678822A
Authority
CN
China
Prior art keywords
kiln body
kiln
heater
gasification
aerator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710050355.5A
Other languages
Chinese (zh)
Inventor
刘广湖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Wei Rong Environmental Protection Technology Co Ltd
Original Assignee
Guangxi Wei Rong Environmental Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Wei Rong Environmental Protection Technology Co Ltd filed Critical Guangxi Wei Rong Environmental Protection Technology Co Ltd
Priority to CN201710050355.5A priority Critical patent/CN106678822A/en
Publication of CN106678822A publication Critical patent/CN106678822A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0273Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using indirect heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/18Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a stack
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/46Recuperation of heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50Control or safety arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00Pretreatment
    • F23G2201/10Drying by heat
    • F23G2201/101Drying by heat using indirect heat transfer
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00Pretreatment
    • F23G2201/30Pyrolysing
    • F23G2201/303Burning pyrogases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00Combustion
    • F23G2202/10Combustion in two or more stages
    • F23G2202/102Combustion in two or more stages with supplementary heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00Supplementary heating arrangements
    • F23G2204/20Supplementary heating arrangements using electric energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00Supplementary heating arrangements
    • F23G2204/20Supplementary heating arrangements using electric energy
    • F23G2204/204Induction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • F23G2206/10Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00Control
    • F23G2207/10Arrangement of sensing devices
    • F23G2207/113Arrangement of sensing devices for oxidant supply flowrate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/10Intercepting solids by filters

Abstract

The invention discloses a household refuse direct heating oxygen-deficient gasification kiln which comprises a kiln body, a feeding opening, an S-shaped heating guide pipe, an exhaust pipe, a heater, an air blower, a thermodetector, an unloading opening and a carbon pool. The feeding opening is formed in the upper end of the kiln body; the heater is arranged at the lower end of the kiln body; the S-shaped heating guide pipe is arranged in the kiln body, the lower end of the S-shaped heating guide pipe is connected with the heater, and the top end of the S-shaped heating guide pipe is connected with the exhaust pipe; the S-shaped heating guide pipe is provided with an air hole A; the air blower is arranged below the heater; the thermodetector is arranged on the inner wall of the kiln body; the unloading opening is formed in the bottom of the kiln body; the carbon pool is arranged on the outer side of the kiln body and is connected with the unloading opening; the exhaust pipe is arranged at the top of the kiln body; and an exhaust valve is arranged on the exhaust pipe. After the household refuse direct heating oxygen-deficient gasification kiln is heated by the heater, smoke waste heat is recycled in a heat storage manner, the high-temperature smoke waste gas is recovered to the maximum degree, energy is sufficiently circulated and used, auxiliary fuel does not need to be added, and the energy-saving aim is achieved under the effect of oxygen-deficient burning.

Description

House refuse directly heats lean gasification kiln
Technical field
The invention belongs to technical field of domestic garbage treatment, directly heats lean gasification more particularly, to a kind of house refuse Kiln.
Background technology
The processing method of house refuse, is one of problem that instantly society relatively pays close attention to.Encircle a city from rural area to municipal refuse Phenomenon is increasingly serious.Country clearly proposes the garbage disposal principle of " innoxious, minimizing, resource ".
At present the processing method of house refuse has burning, landfill and bioanalysises etc. several.Bioanalysises are to enter house refuse Row fermentation process, complex process, equipment performance requires that higher and biodegradation condition is restricted.Landfill need to build big face Long-pending landfill yard, the later stage also needs to process percolate, and investment, maintenance cost are big but also deposit the secondary pollution risk of filtrate seepage. Waste incineration typically adopts fire grate type incinerator.The problem that the burning mode is present is:Efficiency of combustion is relatively low;Ash is discharged with fire grate Slag, incineration temperature is relatively low;Due to the difference that the species of relative refuse is different, water content is different and burning is adjusted, ignition temperature is Fluctuation, it is impossible to make rubbish burn completely;Relatively low incineration temperature is also easy to produce harmful gass, especially dioxin.
The content of the invention
The present invention is in order to overcome above-mentioned deficiency, there is provided a kind of simple structure, and incineration firing completely, can be with non-pollution discharge House refuse directly heats lean gasification kiln.
In order to realize foregoing invention purpose, technical scheme is as follows:
A kind of house refuse directly heats lean gasification kiln, including kiln body, charging aperture, snakelike confession heat pipe, exhaustor, heating Device, aerator, temperature measurer, discharge port and charcoal pond;The upper end of described kiln body is provided with charging aperture;Described heater is arranged at kiln The lower end of body;Described snakelike confession heat pipe is arranged in body of heater, and the lower end of snakelike confession heat pipe is connected with heater, snakelike confession The top of heat pipe is connected with exhaustor;Described snakelike confession heat pipe is provided with pore A;It is provided with below described heater Aerator;The inwall of described kiln body is provided with temperature measurer;The discharge port is arranged at kiln body bottom;Described charcoal pond is arranged at The outside of kiln body, is connected with discharge port;Described exhaustor is located at the top of kiln body;Described exhaustor is provided with air bleeding valve.
Above-described house refuse directly heats lean gasification kiln, is additionally provided with accumulation of heat circulation pipe;Described accumulation of heat circulation One end of pipe is connected with the top of snakelike confession heat pipe, and the other end is connected with the air inlet of aerator;Described accumulation of heat circulation pipe It is provided with pore B;Described accumulation of heat circulation pipe is provided with filter screen with the air inlet for being connected aerator.
Used as further improvement, above-described aerator is provided with air flow sensor.According to kiln Invivo oxyger-supply ratio Setting value, control aerator air inflow.
Used as further improvement, above-described heater is electromagnetic induction heater or Globar heating element.
Used as further improvement, above-described kiln body bottom is provided with isolation workplace;Described heater and aerator It is arranged in isolation workplace;Shutter is additionally provided with described isolation workplace;Described shutter be installed on aerator with Between heater.Isolation workplace can carry out effectively heat-insulated to heater and aerator, extend its service life;Shutter can To control the size of air quantity.
Preferably, it is provided with slope above above-described isolation workplace;The relatively low one end in described slope is located at unloads Material mouth side.
Used as further improvement, the bottom of above-described kiln body is ramped shaped;The bottom of described kiln body it is relatively low one End is located at discharge port side.
As further improvement, at above-described discharge port gate is provided with.
As further improvement, above above-described charcoal pond spray thrower is provided with.Spray thrower can be accelerated in charcoal pond Breeze accelerate cooling.
Used as further improvement, the top of above-described kiln body is additionally provided with automatic discharge opening.Set on automatic discharge opening There is air flow sensor, according to the oxygen supply ratio of setting, a small amount of waste gas produced when kiln body is worked can be through automatic aerofluxuss Mouth is discharged.
During work, charging aperture of the house refuse from the top of kiln body is entered, and the heat that heater is produced is in aerator and snakelike For distributing in kiln body interior circulation in the presence of heat pipe, as the height of kiln body is different, different temperature ranges are generated, lived Rubbish is sequentially completed during decline and is dried, is carbonized, and defines combustible and fuel gas;Air is supplied from kiln body bottom Enter, after mixing with partial fume, reduce mixed gas oxygen concentration, further improving fuel gas temperature makes it exceed itself Self-ignition point temperature, carries out oxygen deprivation gasification, and combustion and accumulation of heat, and the heat for producing flue gas using burning accelerates the dried carbon of house refuse Change process, when kiln body reaches the temperature of setting, heater is automatically stopped work, and kiln body is entered according to the program of setting oxygen supply ratio Row oxygen supply, exhaust work, while forming high-temperature gasification burning accumulation of heat;Formed in kiln body using the heat that itself is produced in kiln body Dual firing chamber, proceeds oxygen deprivation gasification, and combustion;Last garbage carbon draws off from discharge port, aerofluxuss of a small amount of gas from the top of kiln body Bank of tubes goes out.
Relative to prior art, the present invention has the advantage that and has the beneficial effect that:
1st, the present invention is after heater is heated, then will be disappeared in flue gas heat recovery, with kiln body with heat storage type Changing the garbage carbon and fuel gas of carbonization carries out oxygen deprivation gasification, and combustion, under the superposition of the self heat of kiln temperature, realizes The second-time burning of rubbish simultaneously produces a large amount of heat energy, and high-temperature flue gas waste heat is reclaimed to greatest extent, and enable is measured with fully circulation profit With, it is not necessary to add auxiliary fuel, the purpose of energy-conservation has been reached in the presence of combustion with meagre oxygen.
2nd, the present invention carries out high-temperature flue gas injection by the pore B on the pore A and accumulation of heat circulation pipe of snakelike confession heat pipe, Form high velocity smoke air-flow and oxygenation Air Entrainment Modelling of Flow with Recirculation so that the second-time burning of rubbish is oxygen deprivation gasification, and combustion, is burnt Fully, NO is fundamentally inhibitedxGeneration;The fuel gas that rubbish digestion is produced burns completely, and the thermal efficiency is high.
3rd, the present invention keeps being set in 1100 DEG C -1400 DEG C in kiln body under the collective effect of heater and temperature measurer Constant temperature degree, fundamentally inhibits the generation of dioxin, has reached free of contamination effect.
3rd, the accumulation of heat circulation pipe that the present invention is provided with can make full use of the high-temperature flue gas in kiln, when kiln temperature reaches setting The work of heater can be stopped during value, the heat that effectively utilizes combustion with meagre oxygen is collected improves energy utilization rate;In accumulation of heat circulation Pipe is provided with filter screen, can filter to being circulated the flue gas for utilizing into aerator, it is to avoid a small amount of particulate matter in flue gas Impact to aerator.
4th, the isolation workplace that the present invention is provided with effective protection heater and aerator, can improve the use longevity of equipment Life;The shutter being provided with can adapt to different operating modes with the air force of effective control aerator.
5th, the present invention is provided with spray thrower on charcoal pond, accelerates the cooling removal process of garbage carbon, facilitates secondary operations profit With.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
1- kiln bodies, 2- temperature measurers, 3- slopes, 4- isolation workplaces, 5- aerators, 6- filter screens, 7- discharge ports, 8- charcoals pond, 9- spray throwers, 10- heaters, 11- Serpentiss type conduits, 12- pore A, 13- accumulation of heat circulation pipes, 14- pore B, 15- charging apertures, 16- Exhaustor, 17- air bleeding valves, 18- automatic discharge openings, 19- air flow sensor.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention will be further described.
Embodiment 1:
A kind of house refuse directly heats lean gasification kiln, including kiln body 1, charging aperture 15, snakelike confession heat pipe 11, exhaustor 16th, heater 10, aerator 5, temperature measurer 2, discharge port 7 and charcoal pond 8.The upper end of kiln body 1 is provided with charging aperture 15, and heater 10 sets The lower end of kiln body 1 is placed in, snakelike confession heat pipe 11 is arranged in body of heater, lower end and the heater 10 of snakelike confession heat pipe 11 connect Connect, the top of snakelike confession heat pipe 11 is connected with exhaustor 16.Snakelike confession heat pipe 11 is provided with pore A12, heater 10 Lower section is provided with aerator 5.Described heater 10 is electromagnetic induction heater.Aerator 5 is provided with air flow sensor 19, According to the setting value of kiln Invivo oxyger-supply ratio, air flow sensor coordinates the air inflow of the Valve controlling aerator on aerator. The inwall of kiln body 1 is provided with temperature measurer 2.Discharge port 7 is arranged at the bottom of kiln body 1, and at discharge port 7 gate is provided with.Described charcoal pond 8 The outside of kiln body 1 is arranged at, is connected with discharge port 7.The top in charcoal pond 8 is provided with spray thrower 9.Described exhaustor 16 is located at kiln body 1 top, exhaustor 16 is provided with air bleeding valve 17.The top of kiln body 1 is additionally provided with automatic discharge opening 18.Set on automatic discharge opening There is air flow sensor, according to the oxygen supply ratio of setting, a small amount of waste gas produced when kiln body is worked can be through automatic aerofluxuss Mouth is discharged.The bottom of kiln body 1 is ramped shaped;One end that the bottom of described kiln body 1 is relatively low is located at the side of discharge port 7.
During work, house refuse is entered from the charging aperture 15 at the top of kiln body 1, and the heat that heater is produced is in the He of aerator 5 Distribute in kiln body interior circulation in the presence of snakelike confession heat pipe 11, as the height of kiln body 1 is different, generate different humidity provinces Between, house refuse is sequentially completed during decline and is dried, is carbonized, and defines combustible and fuel gas;Air is from kiln body 1 Bottom feeds, and after mixing with partial fume, reduces mixed gas oxygen concentration, and further improving fuel gas temperature surpasses it Itself self-ignition point temperature is crossed, oxygen deprivation gasification, and combustion is carried out, the heat for producing flue gas using burning accelerates the dried carbon of house refuse Change process, when kiln body 1 reaches the temperature of setting, heater 10 is automatically stopped work, journey of the kiln body according to setting oxygen supply ratio Sequence carries out oxygen supply, exhaust work, while forming high-temperature gasification burning;Using the interior heat for itself the producing shape in kiln body of kiln body 1 Into dual firing chamber, proceed oxygen deprivation gasification, and combustion;Last garbage carbon draws off from discharge port 7, and a small amount of gas is from the top of kiln body Exhaustor 16 is discharged.
Embodiment 2:
A kind of house refuse directly heats lean gasification kiln, including kiln body 1, charging aperture 15, snakelike confession heat pipe 11, exhaustor 16th, heater 10, aerator 5, temperature measurer 2, discharge port 7 and charcoal pond 8.The upper end of kiln body 1 is provided with charging aperture 15, the bottom of kiln body 1 It is provided with isolation workplace 4.Heater 10 is arranged at the lower end of kiln body 1, and snakelike confession heat pipe 11 is arranged in body of heater, snakelike heat supply The lower end of conduit 11 is connected with heater 10, and the top of snakelike confession heat pipe 11 is connected with exhaustor 16.Snakelike confession heat pipe 11 Pore A12 is provided with, the lower section of heater 10 is provided with aerator 5.Described heater 10 and aerator 5 is arranged at isolation work Between in 4;Shutter is additionally provided with described isolation workplace 4;Described shutter be installed on aerator 5 and heater 10 it Between, shutter can control the size of air quantity.
Described heater 10 is Globar heating element.Aerator 5 is provided with air flow sensor 19, according to kiln body The setting value of interior oxygen supply ratio, air flow sensor coordinates the air inflow of the Valve controlling aerator on aerator.Kiln body 1 it is interior Wall is provided with temperature measurer 2.Discharge port 7 is arranged at the bottom of kiln body 1, and at discharge port 7 gate is provided with.The top of isolation workplace 4 sets There is slope 3;The relatively low one end in described slope 3 is located at the side of discharge port 7.Described charcoal pond 8 is arranged at the outside of kiln body 1, with Discharge port 7 connects.The top in charcoal pond 8 is provided with spray thrower 9.Described exhaustor 16 sets located at the top of kiln body 1 on exhaustor 16 There is air bleeding valve 17.The top of kiln body 1 is additionally provided with automatic discharge opening 18.Air flow sensor, root are provided with automatic discharge opening According to the oxygen supply ratio of setting, a small amount of waste gas produced when kiln body is worked can be discharged through automatic discharge opening.
The house refuse directly heats lean gasification kiln and is additionally provided with accumulation of heat circulation pipe 13;The one of described accumulation of heat circulation pipe 13 End is connected with the upper end of snakelike confession heat pipe 11, and the other end is connected with the air inlet of aerator 5;On described accumulation of heat circulation pipe 13 It is provided with pore B14;High-temperature flue gas injection is carried out by the pore B on the pore A and accumulation of heat circulation pipe of snakelike confession heat pipe, is formed High velocity smoke air-flow and oxygenation Air Entrainment Modelling of Flow with Recirculation so that the second-time burning of rubbish is oxygen deprivation gasification, and combustion, burning is abundant, Fundamentally inhibit NOxGeneration;The fuel gas that rubbish digestion is produced burns completely, and the thermal efficiency is high.Accumulation of heat circulation pipe 13 with The air inlet of connection aerator 5 is provided with filter screen 6, can filter to being circulated the flue gas for utilizing into aerator, it is to avoid Impact of a small amount of particulate matter in flue gas to aerator.
During work, house refuse is entered from the charging aperture 15 at the top of kiln body 1, and the heat that heater 10 is produced is in aerator 5 With distribute in kiln body interior circulation in the presence of snakelike confession heat pipe 11, as the height of kiln body is different, generate different temperature Interval, house refuse is sequentially completed during decline and is dried, is carbonized, and defines combustible and fuel gas;Air is from kiln Body bottom feeds, and after mixing with partial fume, reduces mixed gas oxygen concentration, and further improving fuel gas temperature makes it More than itself self-ignition point temperature, oxygen deprivation gasification, and combustion and accumulation of heat are carried out, the heat for producing flue gas using burning accelerates house refuse Be dried carbonisation, when kiln body 1 reaches the temperature of setting, heater 10 is automatically stopped work, and kiln body 1 is according to setting oxygen supply The program of ratio carries out oxygen supply, exhaust work, while forming high-temperature gasification burning accumulation of heat;Using the heat that itself is produced in kiln body 1 Amount forms dual firing chamber in kiln body, proceeds oxygen deprivation gasification, and combustion;Last garbage carbon draws off from discharge port 7, a small amount of gas Exhaustor 16 from the top of kiln body is discharged.

Claims (10)

1. a kind of house refuse directly heats lean gasification kiln, it is characterised in that:Including kiln body(1), charging aperture(15), snakelike confession Heat pipe(11), exhaustor(16), heater(10), aerator(5), temperature measurer(2), discharge port(7)With charcoal pond(8);It is described Kiln body(1)Upper end be provided with charging aperture(15);Described heater(10)It is arranged at kiln body(1)Lower end;Described is snakelike For heat pipe(11)It is arranged in body of heater, snakelike confession heat pipe(11)Lower end and heater(10)Connection, snakelike confession heat pipe (11)Top and exhaustor(16)Connection;Described snakelike confession heat pipe(11)It is provided with pore A(12);Described heater (10)Lower section be provided with aerator(5);Described kiln body(1)Inwall be provided with temperature measurer(2);The discharge port(7)Arrange In kiln body(1)Bottom;Described charcoal pond(8)It is arranged at kiln body(1)Outside, with discharge port(7)Connection;Described exhaustor (16)Located at kiln body(1)Top;Described exhaustor(16)It is provided with air bleeding valve(17).
2. house refuse according to claim 1 directly heats lean gasification kiln, it is characterised in that:It is additionally provided with accumulation of heat circulation Pipe(13);Described accumulation of heat circulation pipe(13)One end and snakelike confession heat pipe(11)Upper end connection, the other end and aerator (5)Air inlet connection;Described accumulation of heat circulation pipe(13)It is provided with pore B(14);Described accumulation of heat circulation pipe(13)With company Connect aerator(5)Air inlet be provided with filter screen(6).
3. lean gasification kiln is directly heated according to the arbitrary described house refuse of claim 1 or 2, it is characterised in that:Described Aerator(5)It is provided with air flow sensor(19).
4. house refuse according to claim 1 directly heats lean gasification kiln, it is characterised in that:Described heater (10)For electromagnetic induction heater or Globar heating element.
5. house refuse according to claim 1 directly heats lean gasification kiln, it is characterised in that:Described kiln body(1) Bottom is provided with isolation workplace(4);Described heater(10)And aerator(5)It is arranged at isolation workplace(4)It is interior;Described Isolation workplace(4)Inside it is additionally provided with shutter;Described shutter is installed on aerator(5)With heater(10)Between.
6. house refuse according to claim 5 directly heats lean gasification kiln, it is characterised in that:Described isolation work Between(4)Top be provided with slope(3);Described slope(3)Relatively low one end is located at discharge port(7)Side.
7. house refuse according to claim 1 directly heats lean gasification kiln, it is characterised in that:Described kiln body(1) Bottom be ramped shaped;Described kiln body(1)The relatively low one end in bottom be located at discharge port(7)Side.
8. house refuse according to claim 1 directly heats lean gasification kiln, it is characterised in that:Described discharge port (7)Place is provided with gate.
9. house refuse according to claim 1 directly heats lean gasification kiln, it is characterised in that:Described charcoal pond(8) Top be provided with spray thrower(9).
10. house refuse according to claim 1 directly heats lean gasification kiln, it is characterised in that:Described kiln body(1) Top be additionally provided with automatic discharge opening(18).
CN201710050355.5A 2017-01-23 2017-01-23 Household refuse direct heating oxygen-deficient gasification kiln Pending CN106678822A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111594842A (en) * 2020-05-27 2020-08-28 嘉兴学院 Tower structure for burning paste waste

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Application publication date: 20170517