CN1290735A - Firewood gas and its producing method and device - Google Patents
Firewood gas and its producing method and device Download PDFInfo
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- CN1290735A CN1290735A CN 00133505 CN00133505A CN1290735A CN 1290735 A CN1290735 A CN 1290735A CN 00133505 CN00133505 CN 00133505 CN 00133505 A CN00133505 A CN 00133505A CN 1290735 A CN1290735 A CN 1290735A
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- gas
- firewood
- faggot
- gasification installation
- firewood gas
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Abstract
Inside the gasifier and under oxygen deficit condition, firewood is heated to separate out combustible volatile gas while its organic matters are made to crack and relieve combustible gas. In this way, solid firewood is converted into firewood gas, and this results in full combustion of firewood, full utilization of power resource and no environmental pollution.
Description
The present invention relates to the gas technology field, refer in particular to a kind of firewood gas and production method thereof and device.Provide a kind of and faggot can be converted into combustion gas, it is fully burnt, and reduce the faggot gasification installation of contaminate environment, and firewood gas and production method.
As everyone knows, along with the continuous improvement of expanding economy and life, the energy plays important effect in national economy, and in actual production and the life, exists the severe energy waste phenomenon.Particularly vast rural area mainly is to cook and warm oneself by burning faggot and coal.From a rural survey in 1996, find, totally 23,269 ten thousand tons of standard coals are amounted in the life in the countryside power consumption, wherein straw is 1,197 ten thousand tons, 8,299 ten thousand tons on bavin firewood, 10,099 ten thousand tons in coal, straw and bavin firewood total account for 40.8%, and coal accounts for 43.4%, other energy adds up to 15.8% as electricity, oil, coal gas, Sweet natural gas etc.Because the outmoded backwardness of structure of cooking stove, incomplete combustion causes a large amount of energy dissipations, and contaminate environment seriously.
The object of the present invention is to provide firewood gas and production method thereof, by being heated in gasification installation and under the oxygen condition, faggot generates firewood gas, and condensation cleaning is handled, produce firewood gas, make the abundant perfect combustion of faggot, overcome the drawback of prior art, reach and make full use of the energy and purpose free from environmental pollution.
Another object of the present invention is to provide a kind of gasification installation of producing firewood gas, it provides faggot to heat under oxygen condition and manufactures firewood gas, reaches purpose simple in structure and easy to use.
The object of the present invention is achieved like this: a kind of firewood gas, it is to heat faggot under the anoxybiotic condition in gasification installation, after faggot is heated, separate out flammable volatilization gas and inflammable gas is separated out in the organism cracking, handle through condensation cleaning, the solid faggot is converted into firewood gas free from environmental pollution.
A kind of production method of firewood gas, it is that faggot is put into gasification installation, heats under the anoxybiotic condition, utilize faggot to be heated after, separate out flammable volatilization gas and inflammable gas is separated out in the organism cracking, handle through condensation cleaning, produce firewood gas.It comprises firewood gas is imported in the condensation purifier, removes wherein obnoxious flavour and moisture, and temperature is reduced to below 75 ℃.It comprises that also the firewood gas with condensation cleaning imports in the gas cleaning device, further removes wherein obnoxious flavour and moisture.Gas cleaning device comprises that fly-ash separator, heat exchanger, thionizer, absorption tower and electricity pounce on burnt device.
A kind of gasification installation of producing firewood gas, it comprises body of heater, is provided with fire grate and ashcan in the bottom of body of heater, ashcan is provided with closed ash output hole, is provided with the wind hole on Hui Koumen, seals by screw on the wind hole; Be divided into oxidation zone, reduction zone, dry distillation area and drying zone in the burner hearth from the bottom to top successively, be provided with hot air intake, be provided with the outlet of charging opening and firewood gas at the top of drying zone, be provided with refractory insulating layer at the sidewall of burner hearth in the side of oxidation zone.
The gasification installation of producing firewood gas is included in the firewood gas outlet and connects and establish condensation purifier, and this condensation purifier comprises the combustion gas admission port, and it is communicated with the gas outlet of body of heater; Heat outlet is communicated with the hot air intake of the oxidation zone of body of heater; Gas blower blasts cold wind from the cold wind admission port; Combustion gas delivery port output refrigerative firewood gas enters combustion gas storage tank or gas-cooker for use; The bottom is provided with water discharge valve; The top is provided with the chimney of tool safety valve.
Produce the gasification installation of firewood gas, the combustion gas delivery port that it also is included in condensation purifier connects establishes gas cleaning device, and this gas cleaning device comprises that fly-ash separator, heat exchanger, thionizer, absorption tower and electricity pounce on burnt device.
Major advantage of the present invention is to have faggot perfect combustion, makes full use of the energy and effect free from environmental pollution.
Further specify below in conjunction with preferred embodiment and accompanying drawing.
Fig. 1 is a gasification installation organigram of the present invention.
Fig. 2 is a gas cleaning device synoptic diagram of the present invention.
Firewood gas of the present invention be in gasification installation and the condition of anoxic under heat faggot, utilize faggot to be subjected to After the heat, separate out flammable volatilization gas and organic cracking and separate out imflammable gas, the faggot of solid is converted into Combustion gas, thus overcome the defective of the incomplete combustion that direct burning faggot causes, reach take full advantage of the energy and The purpose of environmental contamination reduction.
As everyone knows, the main component in the faggot is combustible and moisture, and its combustible is mainly carbon and accounts for 49.5%, oxygen accounts for 43%, hydrogen accounts for 6.5%, also has nitrogen to account for 1% and a small amount of sulphur, phosphorus, potassium and trace element.
Wherein the carbon overwhelming majority is that form with hydrocarbon exists, in the process of heating flame, and big section Divide and separate out with the form of volatile matter, participate in burning, another fraction occurs with the form of fixed carbon.
Wherein hydrogen and oxygen all are flammable materials, exist with the form of carbohydrate, and is easy when heating flame Volatilization is very easily lighted and is caught fire, and the product after the burning is water, and during burning, waste gas occurs with the form of steam, The heat (emitting again heat during condensation) that produces when absorbing burning is so will produce certain impact to burning.
Wherein, nitrogen can not burn, and is debirs or formation nitrogen oxide gas in burning; Sulphur is combustible Matter generates sulfur dioxide or sulfur trioxide after the burning, and sulfuric acid or sulfurous acid, and it produces corrosion also to kitchen range Air is polluted, and is the material that is harmful to very much.
Phosphorus wherein, potassium are combustibles, and producing phosphorus pentoxide, phosphoric acid or phosphorous acid etc. after the phosphorus burning has Harmful substances; Generate potassium oxide after the potassium burning, enter in the ashes.
Wherein moisture content is the material that is harmful to very much, generates steam in burning, takes away a large amount of heats, falls Low furnace temperature, the impact burning, therefore, faggot must be as far as possible dry before adding gasification installation, can not fire Burn wet faggot.
Consult Fig. 1, the gasification installation that the present invention uses is made up of body of heater 1 and condensation purifier 3, and the bottom of body of heater 1 is provided with fire grate 12 and ashcan 11, and ashcan 11 is provided with closed ash output hole 111, during gasifier operation, the ash of ash output hole 111 mouthful 112 one-tenth closing conditions of door are provided with wind hole 113 on Hui Koumen 112, seal by screw 114 on the wind hole 113, when closing fire, remove screw 114,, do not extinguish to keep the combustionmaterial in the stove so that enter a spot of air.
Be divided into oxidation zone 21, reduction zone 22, dry distillation area 23 and drying zone 24 in the burner hearth 20 from the bottom to top successively, be provided with hot air intake 211 in the side of oxidation zone 21, to provide oxidation zone 21 incendiary an amount of oxygen, be provided with charging opening 241 and gas outlet 242 at the top of drying zone 24, sidewall at burner hearth 20 is provided with refractory insulating layer 201, prevents that heat scatters and disappears.
Condensation purifier 3 comprises combustion gas admission port 31, and it is communicated with the gas outlet 242 of body of heater 1; Heat outlet 32 is communicated with the hot air intake 211 of the oxidation zone 21 of body of heater 1; Gas blower 4 blasts cold wind from cold wind admission port 33 and forces moisture and tar the cooling firewood gas; Combustion gas delivery port 34 output refrigerative firewood gas enter combustion gas storage tank or gas-cooker for use; The bottom is provided with water discharge valve 35, is used for regularly getting rid of water coolant tar; The top is provided with the chimney 36 of tool safety valve, for discharging waste gas.By the experimental record of long period, the average working parameter of gasification installation of the present invention is as follows:
1, the faggot vaporization rate is 71%,
2, the faggot factor of created gase is 1.9-2.1m
3/ kg (under the standard pressure),
3, temperature out＜75 ℃ of cooling firewood gas,
4, the tar content＜30mg/m in the cooling firewood gas
3,
5, the calorific value of firewood gas is 3800-5500 kilocalorie/m
3
The working process of gasification installation of the present invention is:
At first faggot is added in the body of heater 1 of gasification installation, close charging opening 241, light oxidation zone 21, blast an amount of air, the oxidation zone 21 in the burner hearth is burnt under the anoxybiotic situation, the air capacity of adding is exceeded to light, and temperature is more than 1000 ℃; Its heat upwards transmits the faggot of supplying with reduction zone 22 and carries out reduction reaction, and its temperature is about more than 800 ℃, and the carbon dioxide reduction that generates in oxidation zone 21 becomes carbon monoxide, and generation faggot decomposes goes out inflammable gas; The high-temperature gas that burning produces upwards flows into dry distillation area 23, makes the faggot cracking go out inflammable gas and tar, and a part of carbon coking is a fixed carbon, and its temperature is about below 500 ℃; The high-temperature gas that burning produces continues upwards to flow into drying zone 24, and temperature descends, and makes upper strata faggot drying and dehydrating, forming water vapour mixes with firewood gas, derive from firewood gas outlet 242, enter condensation purifier 3 and further carry out purifying treatment, or be directly connected to the gas-cooker use.
Faggot in the burner hearth is along with burning and cracking constantly, and volume reduces gradually, lands downwards against the weight of self, until all becoming firewood gas; The ashes that burning simultaneously produces are fallen in the ashcan 11 by fire grate 12.
After whole gasifications finish, add the faggot raw material again, carry out the faggot gasification of a new round.The characteristics of this gasification installation are: hot blast is by the lower guide people, and firewood gas is derived by top, and firewood gas is derived direction and the faggot approach axis is reverse-flow, so needn't consume very macro-energy, start easily rapidly, contain pyrolyzate in the combustion gas, thermal value is higher, when the firewood gas of generation successively rises, is filtered by the faggot on upper strata, make in the firewood gas of outlet, ash is less, and the simple structure of this gasification installation, and is with low cost, easy to use, be fit to apply widely.
Consult Fig. 2, owing to from the firewood gas that condensation purifier 3 is derived, have impurity such as water coolant, tar, carbonic acid gas, nitrogen, sulfurous gas, ashes, influence the combustion efficacy of firewood gas and pollute environment, so for large-scale production, must carry out further purifying treatment, to improve the quality of firewood gas.
Gas cleaning device of the present invention comprises that fly-ash separator 5, heat exchanger 6, thionizer 7, absorption tower 8 and electricity pounce on burnt device 9, and the ash in its combustion gas can be removed by tornado dust collector 5; Its water vapour and tar can be removed by heat exchanger 6 condensations; Thionizer 7 is removed sulfide and phosphide; Carbonic acid gas, nitrogen, sulfurous gas etc. can be pounced on burnt device 9 by absorption tower 8 and electricity and remove, and make the higher firewood gas of quality.
Certainly, because the content of impurity such as the tar in the firewood gas of the present invention, carbonic acid gas, nitrogen, sulfurous gas, ashes is than the obnoxious flavour much less of the faggot that directly burns, therefore, small-sized firewood gas kitchen range as family's use, can not establish gas cleaning device, will directly import gas kitchen ranges through the firewood gas of condensation purifier and use; Or do not establish condensation purifier and gas cleaning device, direct body of heater with gasification installation is connected on the gas-cooker and uses, and makes small-sized firewood gas kitchen range, reaches to make the abundant perfect combustion of faggot, minimizing energy dissipation and purpose easy to use.The firewood gas kitchen range of this kind small inexpensive are highly suitable for vast rural area and use in outlying mountain area, have use value widely.
Claims (8)
1, a kind of firewood gas is characterized in that: it is to heat faggot under the anoxybiotic condition in gasification installation, after faggot is heated, separates out flammable volatilization gas and inflammable gas is separated out in the organism cracking, and the solid faggot is converted into firewood gas.
2, a kind of production method of firewood gas is characterized in that: it is that faggot is put into gasification installation, heats under the anoxybiotic condition, utilize faggot to be heated after, separate out flammable volatilization gas and inflammable gas is separated out in the organism cracking, produce firewood gas.
3, the production method of firewood gas as claimed in claim 2 is characterized in that: it comprises firewood gas is imported in the condensation purifier, removes wherein obnoxious flavour and moisture, and temperature is reduced to below 75 ℃.
4, the production method of firewood gas as claimed in claim 3 is characterized in that: it comprises that the firewood gas with condensation cleaning imports in the gas cleaning device, further removes wherein obnoxious flavour and moisture.
5, the production method of firewood gas as claimed in claim 4 is characterized in that: gas cleaning device comprises that fly-ash separator, heat exchanger, thionizer, absorption tower and electricity pounce on burnt device.
6, a kind of gasification installation of producing firewood gas, it is characterized in that: it comprises body of heater, is provided with fire grate and ashcan in the bottom of body of heater, ashcan is provided with closed ash output hole, is provided with the wind hole on Hui Koumen, seals by screw on the wind hole; Be divided into oxidation zone, reduction zone, dry distillation area and drying zone in the burner hearth from the bottom to top successively, be provided with hot air intake, be provided with the outlet of charging opening and firewood gas at the top of drying zone, be provided with refractory insulating layer at the sidewall of burner hearth in the side of oxidation zone.
7, the gasification installation of production firewood gas as claimed in claim 6 is characterized in that: it is included in firewood gas outlet and connects and establish condensation purifier, and this condensation purifier comprises the combustion gas admission port, and it is communicated with the gas outlet of body of heater; Heat outlet is communicated with the hot air intake of the oxidation zone of body of heater; Gas blower blasts cold wind from the cold wind admission port; Combustion gas delivery port output refrigerative firewood gas enters combustion gas storage tank or gas-cooker for use; The bottom is provided with water discharge valve; The top is provided with the chimney of tool safety valve.
8, the gasification installation of production firewood gas as claimed in claim 7, it is characterized in that: the combustion gas delivery port that it is included in condensation purifier connects establishes gas cleaning device, and this gas cleaning device comprises that fly-ash separator, heat exchanger, thionizer, absorption tower and electricity pounce on burnt device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00133505 CN1290735A (en) | 2000-11-06 | 2000-11-06 | Firewood gas and its producing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00133505 CN1290735A (en) | 2000-11-06 | 2000-11-06 | Firewood gas and its producing method and device |
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|---|---|
| CN1290735A true CN1290735A (en) | 2001-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00133505 Pending CN1290735A (en) | 2000-11-06 | 2000-11-06 | Firewood gas and its producing method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386786B (en) * | 2008-11-05 | 2011-12-28 | 攀枝花市农林科学研究院 | Carbon-hydrogen organic thermal cracking gasification method and gasification equipment |
| CN103614165A (en) * | 2013-11-27 | 2014-03-05 | 上海应用技术学院 | Step chain type biomass gasification furnace |
| US20140287470A1 (en) * | 2013-03-08 | 2014-09-25 | Xyleco, Inc. | Processing biomass and energy |
-
2000
- 2000-11-06 CN CN 00133505 patent/CN1290735A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386786B (en) * | 2008-11-05 | 2011-12-28 | 攀枝花市农林科学研究院 | Carbon-hydrogen organic thermal cracking gasification method and gasification equipment |
| US20140287470A1 (en) * | 2013-03-08 | 2014-09-25 | Xyleco, Inc. | Processing biomass and energy |
| CN103614165A (en) * | 2013-11-27 | 2014-03-05 | 上海应用技术学院 | Step chain type biomass gasification furnace |
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