CN207501152U - A kind of integrated form pyrolytic gasification cooperates with combustible gas high-temperature process house refuse system - Google Patents

A kind of integrated form pyrolytic gasification cooperates with combustible gas high-temperature process house refuse system Download PDF

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CN207501152U
CN207501152U CN201721504119.8U CN201721504119U CN207501152U CN 207501152 U CN207501152 U CN 207501152U CN 201721504119 U CN201721504119 U CN 201721504119U CN 207501152 U CN207501152 U CN 207501152U
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gas
fuel
gasification furnace
combustible gas
fuel burning
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雷鸣
付芳蓉
刘树生
胡春凤
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Hunan Mountain Environmental Science And Technology Co Ltd
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Hunan Mountain Environmental Science And Technology Co Ltd
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Abstract

The utility model discloses a kind of integrated form pyrolytic gasifications to cooperate with combustible gas high-temperature process house refuse system, belong to technical field of waste treatment, it includes garbage feeding system, combustible gas circulating collection system, pyrolysis gasification furnace, fuel gas magnetizing assembly, gas fuel burning chamber and Secondary Air heating muff.The present invention integrates pyrolysis gasification furnace and gas fuel burning chamber, the high-temperature flue gas generated using gas fuel burning chamber heats pyrolysis gasification furnace, the residents in rural community that calorific value is low, moisture is high can be handled, by carrying out high-intensity magnetic field magnetization treatment to fuel gas, fuel gas is made to be easier to burn in gas fuel burning intracavitary, and the noxious material contained in the fuel gas of pyrolytic gasification generation can be removed.

Description

A kind of integrated form pyrolytic gasification cooperates with combustible gas high-temperature process house refuse system
Technical field
The utility model is related to technical field of waste treatment, specially a kind of integrated form pyrolytic gasification collaboration combustible gas high temperature Handle house refuse system.
Background technology
With the fast development of China's rural economy, rural garbage pollution problem becomes increasingly conspicuous, the urban life with concentration Rubbish compares, and rural garbage has the characteristics that dispersion, a small amount of, by burn, fill etc. centralized collections, processing mode expense compared with Height is especially difficult to realize in rural area underdeveloped.And refuse pyrolysis gasification technology is not only to the volume reduction of rubbish, decrement It is with obvious effects, and pyrolysis gasification furnace treatment scale is easy to control, and operational management is convenient, therefore small-scale pyrolytic gasification in recent years Stove is widely used in China part mountain area, Hills.But present small-sized pyrolysis gasification furnace technical merit it is low, Under-capitalization, flue gas purification system are single, often with the discharge of the extremely toxic substances such as high concentration bioxin in flue gas.It is more important , the pyrolysis gasification furnace treatment scale that is used due to rural area is small, garbage constitution is variable, moisture content is high, calorific value is low, Common pyrolysis gasification furnace difficulty is applicable in, and running temperature difficulty reaches design requirement, is often occurred in operation exception, shut-down (breakdown) mainteance, flue gas The serious problems such as Pollutant emission concentration severe overweight.Do not achieve the purpose that not only to handle rubbish, it is also possible to cause more tight The secondary pollution of weight.
There are mainly two types of the domestic garbage pyrolysis gasification ovens being currently, there are, a kind of pyrolysis gasification furnace for being provided with dual firing chamber (referred to as:Dual chamber pyrolysis gasification furnace), another is without dual firing chamber's (abbreviation:Single chamber pyrolysis gasification furnace).For dual chamber pyrolytic gasification Stove, since the scale that rural area is built is smaller, general 2-30 ton days, refuse thermal value is low, and moisture is high, therefore is pyrolyzed The fuel gas that gasification generates is difficult to maintain the normal combustion of dual firing chamber, requires supplementation with fuel, otherwise will generate a large amount of Dioxin emission, this will significantly increase garbage disposal cost, be difficult to promote the use of in rural area.And for single chamber pyrolytic gasification Stove, due to generating a large amount of tar in refuse pyrolysis gasification, during gas cleaning, tar condensing generates burn into and blocks up Fill in flue the problems such as in addition flue gas purification system is made to paralyse, it is difficult to run, contain in tar
A large amount of toxic components, such as heavy metal, bioxin, operator is in contact with it for a long time may also can influence body and be good for Health.Although tar has very high calorific value, but it is used, but since pyrolysis gasification furnace treatment scale is small, tar total output It is low, it is difficult to concentrate and carry out recycling, and in rural area, due to difficult standardized management, the storage and transport of tar are equal There are larger security risk, therefore the tar processing that single chamber pyrolysis gasification furnace generates is that the maximum that the current type of furnace faces is asked Topic, thus it is proposed that a kind of integrated form pyrolytic gasification collaboration combustible gas high-temperature process house refuse system is used to solve above-mentioned ask Topic.
Utility model content
The purpose of this utility model is to provide a kind of integrated form pyrolytic gasifications to cooperate with combustible gas high-temperature process house refuse System not only adapts to the processing of rural area low heat value, high-moisture percentage refuse, and passes through fuel gas magnetizing assembly, height The modes such as warm secondary air combustion-supporting under conditions of supplement auxiliary fuel is not needed to, make gas fuel burning room stablize burning, temperature Degree reaches 850 DEG C or more, can thoroughly remove the substances such as tar removing, CO, bioxin, the flue gas of discharge is made to be reached after simply purifying Mark discharge.
To achieve the above object, the utility model provides following technical solution:A kind of integrated form pyrolytic gasification collaboration is flammable Gas high-temperature process house refuse system, including garbage feeding system, combustible gas circulating collection system, pyrolysis gasification furnace, combustible gas Body magnetizing assembly, gas fuel burning chamber and Secondary Air heating muff, the garbage feeding system and pyrolysis gasification furnace top phase Connection, the pyrolysis gasification furnace bottom end are equipped with gas fuel burning chamber, and the drying layer in the pyrolysis gasification furnace is communicated with combustible gas The input end of circulating collection system, the combustible gas circulating collection system are equipped with the second wind turbine, collect what pyrolytic gasification generated Fuel gas passes through fuel gas magnetizing assembly through piping stream, after subsequently entering gas fuel burning chamber and being heated at high temperature Air carries out oxygen-enriched high-temp combustion, and the outlet port of the gas fuel burning chamber is communicated with flue, the flue External ear muff is equipped with Secondary Air heating muff, and the inlet port of the Secondary Air heating muff is equipped with third wind turbine, and secondary The outlet port connection secondary combustion-supporting air of hot-air jacket pipe sprays into the inlet end in hole, and the secondary combustion-supporting air sprays into hole and is located at On gas fuel burning chamber, which is equipped with slag notch, and the outlet port of the flue is equipped with the One wind turbine;
The garbage feeding system is mainly made of spiral garbage conveyor, and the pyrolysis gasification furnace is mainly pyrolyzed by upper end Gasify furnace cavity and the gas fuel burning chamber composition of lower end, by high temperature resistant, corrosion-resistant, stainless steel outside pyrolysis gasification furnace Material package, laid inside highiy refractory brick, the fuel gas magnetizing assembly are mainly used for magnetizing fuel gas, install At fuel gas nozzle outer end 20-40cm, the Secondary Air heating muff is mainly using high-temperature flue gas waste heat to air It is heated.
Preferably, the garbage feeding system is fed using air-tight manner, prevents fuel gas during charging from leaking.
Preferably, the gas fuel burning chamber ensures fuel gas in combustion chamber by controlling gas flow rate, amount of oxygen Interior high-temp combustion, burn more than residence time 3s.
Preferably, the combustible gas circulating collection system uses corrosion-resistant, heat-resisting material, and sets pipeline in pipe bent position Valve is dredged, which sets the collection conduit of different radicals, the collecting pipe according to treatment scale size Be covered with combustible gas collecting hole on road, fuel gas be collected, collection conduit is arranged on drying layer, when operation ensure on receive Rubbish layer thickness is at least 5cm on collection pipeline.
Preferably, the fuel gas magnetizing assembly uses high temperature resistant alnico magnets, and heat safe temperature is not less than 500 DEG C, magnetic field intensity is in 0.3-0.5T.
Preferably, the heat energy that the gas fuel burning chamber is generated in the bottom of pyrolysis gasification furnace, gas fuel burning Enough heat is provided for pyrolysis gasification furnace.
Preferably, the Secondary Air heating mantle air in tube is after the heating of gas fuel burning chamber high-temperature flue gas, temperature It is 60-100 DEG C, the abundant burning of combustible gas in gas fuel burning chamber can be promoted.
Compared with prior art, the beneficial effects of the utility model are:
1st, pyrolysis gasification furnace and gas fuel burning room are made to integrate by the present invention, are produced using gas fuel burning room Raw high-temperature flue gas heats pyrolysis gasification furnace, can handle the residents in rural community that calorific value is low, moisture is high;
2nd, the present invention carries out high-intensity magnetic field magnetization treatment to fuel gas, and fuel gas is made to be easier in gas fuel burning room It inside burns, the noxious material contained in the fuel gas of pyrolytic gasification production can be removed;
3rd, the unique gas fuel burning room design of the present invention, even if to small-scale stove, dual firing chamber also can be normally steady Fixed burning, ensures the decomposition of the toxic organic compound to fuel gas Zhong bioxin;
4th, the present invention heats Secondary Air using the high-temperature flue gas of gas fuel burning room outlet, therefore reduces air Secondary Air is passed directly into the influence of gas fuel burning room, improves the stability of gas fuel burning Indoor Combustion;
5th, the present invention is compact-sized, and investment operating cost is low, and garbage disposal cost is approximately the 1/2 of large-scale incinerator, simultaneously It solves in conventional pyrolysis gasification kiln gas containing problems such as a large amount of CO, tar, bioxin.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure:1 garbage feeding system, 2 combustible gas circulating collection systems, 3 pyrolysis gasification furnaces, 4 flues, 5 first wind Machine, 6 second wind turbines, 7 fuel gas magnetizing assemblys, 8 gas fuel burning chambers, 9 fuel gas nozzles, the spray of 10 secondary combustion-supporting air Enter hole, 11 slag notches, 12 gas fuel burning chamber gas vents, 13 system bases, 14 Secondary Air heating muffs, 15 third wind turbines, 16 heating muff gas outlets.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution:A kind of integrated form pyrolytic gasification cooperates with combustible gas high temperature House refuse system is handled, including garbage feeding system 1, combustible gas circulating collection system 2, pyrolysis gasification furnace 3, fuel gas magnetic 7, gas fuel burning chamber 8 and Secondary Air heating muff 14 are put in makeup, and garbage feeding system 1 is connected with 3 top of pyrolysis gasification furnace It connects, garbage feeding system 1 is fed using air-tight manner, prevents fuel gas during charging from leaking.
3 bottom end of pyrolysis gasification furnace is equipped with gas fuel burning chamber 8, and the drying layer in the pyrolysis gasification furnace 3 is communicated with flammable The input end of gas circulating collection system 2, combustible gas circulating collection system 2 are equipped with the second wind turbine 6, collect what pyrolytic gasification generated Fuel gas passes through fuel gas magnetizing assembly 7 through piping stream, after subsequently entering gas fuel burning chamber 8 and being heated at high temperature Air carry out oxygen-enriched high-temp combustion, gas fuel burning chamber 8 ensures that fuel gas exists by controlling gas flow rate, amount of oxygen High-temp combustion in combustion chamber, burn more than residence time 3s, and combustible gas circulating collection system 2 uses corrosion-resistant, heat-resisting material, And pipe-dredging valve is set in pipe bent position, which sets different radicals according to treatment scale size Collection conduit, be covered with combustible gas collecting hole in the collection conduit, fuel gas be collected, collection conduit is arranged on dry Dry layer ensures that rubbish layer thickness is at least 5cm in upper collection conduit during operation.
For gas fuel burning chamber 8 in the bottom of pyrolysis gasification furnace 3, the heat that gas fuel burning generates can be pyrolysis gas Change stove 3 and heat is provided, pyrolytic gasification processing is carried out to rubbish, becomes low heat value, the house refuse of high-moisture percentage.
The outlet port of gas fuel burning chamber 8 is communicated with flue 4, and 4 outside ear muff of flue is equipped with secondary Hot-air jacket pipe 14, the inlet port of Secondary Air heating muff 14 be equipped with third wind turbine 15, and Secondary Air heating muff 14 goes out The inlet end that gas port end heating muff gas outlet 16 sprays into hole 10 with connecting secondary combustion-supporting air connects, and secondary combustion-supporting air sprays into Hole 10 is located on gas fuel burning chamber 8, which is equipped with slag notch 11, the gas outlet of flue 4 End is equipped with the first wind turbine 5.
Fuel gas magnetizing assembly 7 uses high temperature resistant alnico magnets, and heat safe temperature is not less than 500 DEG C, and magnetic field is strong Degree is in 0.3-0.5T.
Garbage feeding system 1 is mainly made of spiral garbage conveyor, and pyrolysis gasification furnace 3 is mainly by upper end pyrolysis gasification furnace Cavity and the gas fuel burning chamber 8 of lower end form, by high temperature resistant, corrosion-resistant, stainless steel material packet outside pyrolysis gasification furnace 3 It wraps up in, laid inside highiy refractory brick, fuel gas magnetizing assembly 7 is mainly used for magnetizing fuel gas, mounted on distance At 9 outer end 20-40cm of fuel gas nozzle, Secondary Air heating muff 14 mainly adds air using high-temperature flue gas waste heat Heat, air is after the heating of 8 high-temperature flue gas of gas fuel burning chamber in Secondary Air heating muff 14, and temperature is 60-100 DEG C, energy Promote the abundant burning of combustible gas in gas fuel burning chamber 8.
Rubbish can give drying layer, pyrolytic layer, be reduced into, oxide layer, combustible gas from top to bottom in pyrolysis gasification furnace 3 Body is mounted on drying layer top, according to the size for the treatment of scale, can set different collecting pipes, under the drive of the second wind turbine 6, The fuel gas generated to reduction zone, pyrolytic layer is collected, due to containing a large amount of fuel gas, tar droplet in fuel gas Deng, therefore in combustible gas collecting pipeline, installation fuel gas magnetizing assembly 7 carries out fuel gas high-intensity magnetic field magnetization, makes Tar droplet cohesive force reduces, reduces the activation energy of organic molecule burning, it is made easily to be combined in combustion chamber with oxygen, complete Into abundant burning.
In gas fuel burning chamber 8, the fuel gas and the secondary high-temperature air that are magnetized carry out being sufficiently mixed burning, temperature Degree is more than 2.0s more than 850 DEG C, gas residence time, can thoroughly be further oxidized to the CO of pyrolytic gasification process middle and high concentration CO2 (2CO+O2=2CO2), while organic matter, the tar fog in fuel gas are dripped and are fully converted to the nothings such as CO2, NOx, H2O Harmful gas can also be removed containing the Toxics such as bioxin substance in hot conditions by thorough decompose in flue gas.
The present invention is in gas fuel burning chamber 8, using unique gas fuel burning gas vent 12, with reference to flue gas flow rate Control not only can guarantee that gas fuel burning fully burns, the residence time of burning is more than 3.0s, moreover it is possible to ensure gas fuel burning The high temperature of generation effectively heats rubbish in pyrolysis gasification furnace.
It is right by Secondary Air heating muff 14 after the tail gas that high-temperature process generates is from the outflow of gas fuel burning chamber 8 Auxiliary air is heated, and is improved the temperature that Secondary Air enters gas fuel burning chamber, is fired gas fuel burning intracavity gas It burns and stablizes.High-temperature flue gas more holds after Secondary Air heating muff 14 is cooled down during follow-up fume treatment simultaneously Easily.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of integrated form pyrolytic gasification cooperates with combustible gas high-temperature process house refuse system, it is characterised in that:Including rubbish into Material system (1), combustible gas circulating collection system (2), pyrolysis gasification furnace (3), fuel gas magnetizing assembly (7), fuel gas combustion Chamber (8) and Secondary Air heating muff (14) are burnt, the garbage feeding system (1) is connected with pyrolysis gasification furnace (3) top, described Pyrolysis gasification furnace (3) bottom end is equipped with gas fuel burning chamber (8), and the drying layer in the pyrolysis gasification furnace (3) is communicated with combustible gas The input end of circulating collection system (2), the combustible gas circulating collection system (2) are equipped with the second wind turbine (6), collect pyrolysis gas Change the fuel gas generated, through piping stream by fuel gas magnetizing assembly (7), subsequently enter gas fuel burning chamber (8) Oxygen-enriched high-temp combustion is carried out with the air after high-temperature heating, the outlet port of the gas fuel burning chamber (8) is communicated with flue gas Pipeline (4), flue (4) outer cover are equipped with Secondary Air heating muff (14), the Secondary Air heating muff (14) Inlet port be equipped with third wind turbine (15), and the outlet port connection secondary combustion-supporting air of Secondary Air heating muff (14) sprays into The inlet end in hole (10), the secondary combustion-supporting air spray into hole (10) on gas fuel burning chamber (8), fuel gas combustion It burns chamber (8) bottom end and is equipped with slag notch (11), the outlet port of the flue (4) is equipped with the first wind turbine (5);
The garbage feeding system (1) is mainly made of spiral garbage conveyor, and the pyrolysis gasification furnace (3) is mainly by upper end heat Solution gasification furnace cavity and gas fuel burning chamber (8) composition of lower end, pyrolysis gasification furnace (3) it is external by high temperature resistant, it is corrosion-resistant, Stainless steel material wrap up, laid inside highiy refractory brick, the fuel gas magnetizing assembly (7) be mainly used for fuel gas into Row magnetization, mounted at fuel gas nozzle (9) outer end 20-40cm, the Secondary Air heating muff (14) mainly utilizes High-temperature flue gas waste heat heats air.
2. a kind of integrated form pyrolytic gasification collaboration combustible gas high-temperature process house refuse system according to claim 1, It is characterized in that:The garbage feeding system (1) is fed using air-tight manner, prevents fuel gas during charging from leaking.
3. a kind of integrated form pyrolytic gasification collaboration combustible gas high-temperature process house refuse system according to claim 1, It is characterized in that:The gas fuel burning chamber (8) ensures fuel gas in combustion chamber by controlling gas flow rate, amount of oxygen High-temp combustion, burn more than residence time 3s.
4. a kind of integrated form pyrolytic gasification collaboration combustible gas high-temperature process house refuse system according to claim 1, It is characterized in that:The combustible gas circulating collection system (2) uses corrosion-resistant, heat-resisting material, and is dredged in pipe bent position setting pipeline Port valve door, the combustible gas circulating collection system (2) set the collection conduit of different radicals, the collecting pipe according to treatment scale size Be covered with combustible gas collecting hole on road, fuel gas be collected, collection conduit is arranged on drying layer, when operation ensure on receive Rubbish layer thickness is at least 5cm on collection pipeline.
5. a kind of integrated form pyrolytic gasification collaboration combustible gas high-temperature process house refuse system according to claim 1, It is characterized in that:The fuel gas magnetizing assembly (7) is not less than 500 DEG C using high temperature resistant alnico magnets, heat safe temperature, Magnetic field intensity is in 0.3-0.5T.
6. a kind of integrated form pyrolytic gasification collaboration combustible gas high-temperature process house refuse system according to claim 1, It is characterized in that:The heat energy that the gas fuel burning chamber (8) generates in the bottom of pyrolysis gasification furnace (3), gas fuel burning Enough heat is provided for pyrolysis gasification furnace (3).
7. a kind of integrated form pyrolytic gasification collaboration combustible gas high-temperature process house refuse system according to claim 1, It is characterized in that:Air is after the heating of gas fuel burning chamber (8) high-temperature flue gas in the Secondary Air heating muff (14), temperature It is 60-100 DEG C, the abundant burning of combustible gas in gas fuel burning chamber (8) can be promoted.
CN201721504119.8U 2017-11-13 2017-11-13 A kind of integrated form pyrolytic gasification cooperates with combustible gas high-temperature process house refuse system Active CN207501152U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110653243A (en) * 2019-10-22 2020-01-07 上海治实合金科技有限公司 Polymer composite material regeneration treatment equipment and treatment method
CN112111301A (en) * 2020-09-23 2020-12-22 西安交通大学 Combined type partial circulation biomass gasification furnace and working method thereof
CN112391179A (en) * 2019-08-19 2021-02-23 上海能辉科技股份有限公司 Medium recirculation system for bidirectional full-mixing type garbage pyrolysis furnace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112391179A (en) * 2019-08-19 2021-02-23 上海能辉科技股份有限公司 Medium recirculation system for bidirectional full-mixing type garbage pyrolysis furnace
CN110653243A (en) * 2019-10-22 2020-01-07 上海治实合金科技有限公司 Polymer composite material regeneration treatment equipment and treatment method
CN112111301A (en) * 2020-09-23 2020-12-22 西安交通大学 Combined type partial circulation biomass gasification furnace and working method thereof

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