CN105733730A - Biomass micron carbonized power high-temperature combustion method - Google Patents
Biomass micron carbonized power high-temperature combustion method Download PDFInfo
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- CN105733730A CN105733730A CN201610078848.5A CN201610078848A CN105733730A CN 105733730 A CN105733730 A CN 105733730A CN 201610078848 A CN201610078848 A CN 201610078848A CN 105733730 A CN105733730 A CN 105733730A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/447—Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/002—Fluidised bed combustion apparatus for pulverulent solid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
- F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/02—Combustion or pyrolysis
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/28—Cutting, disintegrating, shredding or grinding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention relates to a biomass micron carbonized power high-temperature combustion method.Many incombustible ingredients are included in fuel gas components, the combustion temperature is low, the heat working value is low, and the technical requirement of production and living fuel cannot be met.The biomass micron carbonized power high-temperature combustion method comprises the following steps that firstly, carbonization is carried out, wherein biomass is mildly carbonized with an external heating type mild carbonizing technology, the carbonizing temperature ranges from 350 DEG C to 390 DEG C, and pyroligneous and tar ingredients in the biomass are distilled out; secondly, micron processing is carried out, wherein the carbonized biomass is subjected to micron processing, and biomass micron carbon powder fuel is generated; thirdly, mixing is carried out, wherein the biomass micron carbon powder fuel generated through micron processing and air are mixed to form carbon powder cloud; fourthly, the cloud is sprayed, wherein the carbon powder cloud formed through mixing is sprayed into a combustion chamber and a hearth.The biomass micron carbonized power high-temperature combustion method is applied to biomass high-temperature combustion.
Description
Technical field:
The present invention relates to a kind of biomass micron carbonized powder method for high temp. combustion.
Background technology:
For a long time, biomass, because of relatively low 600～800 DEG C of direct ignition temperature, can only be used as cooking or the heating in rural area.Before more than 100 year, American has invented biomass molding fuel, its ignition temperature is at about 1000 DEG C, although Europe, Japan, China have done a lot of trials in this regard, but shaped fuel is also well popularized in industrial aspect and applies, its main cause is exactly the demand that can not meet industry operating mode high temperature.After the mankind enter the industrial revolution, industrial temperature is more and more higher.Such as lime calcining temperature is at about 1200 DEG C；Architectural pottery firing temperature is at about 1300 DEG C；And cement industry firing temperature is more than 1400 DEG C；Blast furnace cupola well is near tuyere area temperature 1700～2000 DEG C, bottom temperature 1450～1500 DEG C；Copper metallurgy end flue temperature 1500 DEG C～1550 DEG C, stove tail temperature 1250 DEG C～1300 DEG C；And in the large-scale thermal power system that boiler is core, fuel combustion temperature requirement is more than 1500 DEG C.It can be seen that modern industry needs fuel combustion temperature mostly more than 1200 DEG C.
World energy sources develops into today, and the mankind obtain the method for heat energy and remain hydrocarbon combustion and dominate.Fossil energy and biomass energy both belong to hydrocarbon fuel, and its chemical composition is very close, and the fuel carbon hydrogen content such as coal, oil, natural gas is up to 70%～95%, and its calorific value is typically in 5000～8000 kilocalories/kg, is high-grade fuel；The carbohydrate content of biomass is below 50%, mean calorie is approximately the 2/3 of coal, and its calorific value is typically in 3600～4600 kilocalories/kg, and energy density is lower than coal, and volume energy density only has the 1/7 of coal, biomass energy is classified as within low-rank fuel by people for a long time.
Up to now, directly burning can reach 1200 DEG C of high temperature above and cheap fuel for once property fossil energy.Such as hydrocarbon fuels such as coal, oil, natural gass, it is that the mankind carry out ore deposit and adopt and the fuel that obtains；The biomass fuel of same hydrocarbon family is the renewable sources of energy year after year, and its stock number exceeds well over fossil energy, and biomass are more than ten times of worldwide energy total amount consumed every year at the quantity of energy of grown worldwide, and resource is very extensive；But, biomass are few because of its carbohydrate content, and direct ignition temperature is relatively low, it is impossible to enter the main battle ground of energy burning, be ostracised all the time outside the gate of industrial fuel, abandoned or marginalisation by big industry.For thousands of years, the dominance of the energy is monopolized by fossil energy always, and biomass fuel is always up " vanquished foe " of fossil energy.The industrial revolution is over more than 200 year, biomass energy technology is being resisted with fossil energy always, also in development and progress, the route of its research and development such as biomass moulding carbonization technology, biomass gasification technology, biomass gas carbon co-production technology, biomass marsh gas technology etc..And the various energy products of biomass that these routes are researched and developed, quality, cost with in production scale compared with fossil energy, still have a long way to go, the old problem perplexed over more than 200 year is not still well solved.
As everybody knows, combustion gas is easy to use, cleaning, it it is the mark of the modernization energy, combustion gas can be divided into high heating value combustion gas, medium calorific value gas and fuel gas with low heat value by calorific value, natural gas is typical high heating value combustion gas, calorific value is at 8000 kilocalories/Nm3, and methane content up to 95%, is mainly suitable for the commercial production for the special high temperature of industrial chemicals and heating-up temperature and the high application places of environmental requirement.Coal gas is typical medium calorific value gas, and calorific value, at 2400 kilocalories/more than Nm3, is mainly used as gas, industrial combustion gas and industrial generation for a long time.2400 kilocalories/Nm3 is industrial combustion gas and the most basic calorific value of gas, is the watershed of combustion gas commercial value, and fuel gases calorific value is lower than 2400 kilocalories/Nm3, then show that in Gas Components, non-combustible composition is many, ignition temperature is low, and thermal technology is worth low, it is impossible to meet the technology requirement produced with life fuel.
Gasification of biomass originates from 150 years front Germany, through the effort of several generations, does not also produce gratifying effect so far.The method concluding China and foreign countries' gasification of biomass, is broadly divided into two big classes:
The first kind be China and foreign countries commonly used be the method following coal gasification, i.e. internal heat type gasification process, it be biomass at vaporizer and air imperfect combustion, directly heat biomass so as to gasify.This method efficiency of heating surface is high, but a large amount of nitrogen that the air that needs of internal combustion is brought into, water down the hydrocarbon concentration of combustion gas, therefore the calorific value of combustion gas is low, only 1200～1400 kilocalories/Nm3, does not reach the quality requirements of commercial natural gas, and this is fatal shortcoming.Owing to combustion gas quality is low, purposes is little, even civilian, the temperature of combustion gas cannot guarantee that, particularly in the winter time, fiery hypodynamic phenomenon is obvious especially.Meanwhile, the gasification efficiency of this method is only less than 70%, and all the other are the tar and residual carbon that are difficult by, and fuel gas reforming rate is low, wastes the energy.Substantial amounts of tar and waste water, contaminated environment can be produced in gas cleaning process simultaneously.Although it has been carried out improvement for many years by China and foreign countries, but internal heat type evaporating method eventually cannot popularization and application because of the defect of self.
Equations of The Second Kind is gas carbon co-production, and it is to adopt traditional combustion method to the indirect heating and gasifying of the biomass in carbonization tank in timber or straw.Owing to traditional combustion of wood temperature is low, only about 700～900 DEG C, the biomass in carbonization tank can only be heated to about 600 DEG C, and temperature is low, and aerogenesis is few.The advantage of this method is that biomass are heated indirectly gasification when air-isolation, it does not have the interference of nitrogen, and combustion gas is pure, and calorific value is high, is typically in 3500 kilocalories/about Nm3, it is adaptable to cooking and industrial combustion gas.This illustrates only to the indirect heating and gasifying of biomass, and guarantee biological fuel gas has high calorific value and practical commercial value.Adopting indirect heating biological matter to gasify, actively thermal source is best more than 1000 degree, and the high-temperature heating energy the past more than 1000 degree can only adopt coal, combustion gas and fuel oil, electrical heating etc. to have pollution and high cost method, should not take.People are but without the high-temperature fuel developing a kind of low cost so far, this just for a long time the whole world can not solve the key point of gasification of biomass problem.The present invention can provide the cheap energy method that biomass high-temperature gasifies, and provides technical guarantee for biomass external-heat high-temperature heating.
On the other hand, the biomass moulding carbon that carbonization technique produces, i.e. full carbonized carbonaceous or be called degree of depth carbonized carbonaceous, it is to adopt timber or lignifying raw material through imperfect combustion, or the pyrolysis when completely cutting off air, the dark brown remained or black porosu solid fuel, general heating amount is in 7000 ~ 8000 kcal/kg.Ancient Chinese has been grasped timber at first and has been formed by a firing the advanced technology of charcoal, and the fire energy high temperature quality of wood has been performed to paramount boundary, the another outstanding energy invention after this Ye Shiji China gunpowder invention.In China's Shang dynasty, people are the leading world with products such as molding Linesless charcoal smelting bronze, cast iron and firing ceramics just.Form by a firing charcoal, the characteristic according to raw material, in production process carbonization temperature up to 600 DEG C～900 DEG C, because its molding carbon complex manufacturing, efficient energy conversion only have about 60%, cost is high, the unfavorable popularization energy being widely used as big industry.
It is understood that, eco-energy is the direction of future source of energy development, eco-energy follows " Carbon cycle is theoretical ", namely the CO2 in air is synthesized Hydrocarbon by green plants growth course, " carbon sequestration tells oxygen ", namely create the hydrocarbon energy and material resources, also reduce the greenhouse gases in air, and provide the oxygen needed for animals and plants life.This theory is that people cause proposition on the basis of ecological environment heavy damage and experience and lessons at summary last 100 years energy development in recent years.It emphasizes must have " ecological property, recyclability and spatter property " three features as the replacer of following fossil energy.Biomass energy is an ecological regenerative resource, and the biomass energy of annual growth is worldwide energy total amount consumed ten times (700,000,000 tons of straws that China produces every year and 200,000,000 tons of forest trimmings), and resource is inexhaustible.
Under the dual-pressure of current energy source and environment, the cleaning deep processing new forms of energy of biomass should remove to bear the heavy burden comprehensively substituting fossil energy, progressively removes to take over coal, oil and natural gas in the task of the energy and Material Field.For this, solving the high-quality of biomass deep processing new forms of energy, high efficiency, low cost and spatter property is world today's energy and the science and technology of environmental area reality the most.Such as, in 4,000,000,000 tons of coals that China consumes every year, having 2,000,000,000 tons for large-sized station boiler, 1,200,000,000 tons are used for mediumand smallscale industrial boilers, and 800,000,000 tons for including industrial solid fuel and the raw material of ironmaking, cement and Coal Chemical Industry.If the present invention puts it over, it is possible to alleviate rapidly in a short time or effect a radical cure haze；In the long run, it is possible to capture the commanding elevation of following low carbon-based industry and low-carbon economy and biomass energy revolution, repartitioning one time, world fossil energy general layout, meaning is very great.
Summary of the invention:
It is an object of the invention to provide a kind of biomass micron carbonized powder method for high temp. combustion.
Above-mentioned purpose is realized by following technical scheme:
A kind of biomass micron carbonized powder method for high temp. combustion, the method comprises the steps:
(1) carbonization: adopting the lightly-carbonized technique of external-heat to be undertaken lightly-carbonized by biomass, carburizing temperature is 350 ~ 390 DEG C, distillates the wood vinegar in biomass and tar ingredients；
(2) micronized processing: the biomass after carbonization carry out micronized processing, generates biomass micron carbon dust fuel；
(3) mixing: the biomass micron carbon dust fuel that micronized processing generates is mixed to form carbon dust cloud with air；
(4) spray cloud: the carbon dust cloud being mixed to form is sprayed onto in combustor, burner hearth or combustor or burner.
Described biomass micron carbonized powder method for high temp. combustion, described lightly-carbonized technique, for carry out being crushed into micro-powder carbon fuel by lightly-carbonized for cleaning product Highefficientpulverizer, namely obtains a kind of low cost and can form the biomass micron carbon dust of high-temp combustion.
Described biomass micron carbonized powder method for high temp. combustion, the mixing ratio of described air and carbon micron fuel is 3.8 ~ 5.5L:1kg, carbon dust cloud is injected directly into pre-heated combustor or burner hearth by the blast of high pressure positive blower, form the flame of high speed rotating or the flame of candle flame shape shape, remove heating boiler, smelting furnace, calcining kiln or promote heat engine work.
The described combustor used by biomass micron carbonized powder method for high temp. combustion, its composition includes: combustion chamber shell, the inside of described combustion chamber shell has combustor, one end of described combustor has combustor door, the other end of described combustor has flame jet, and described combustion chamber shell has charging aperture, note air port.
The described combustor used by biomass micron carbonized powder method for high temp. combustion, its composition includes: burning casing, the inside of described combustion chamber shell has burner inner liner, described burner inner liner one end has flame jet, the described burner inner liner other end is connected with charging aperture, having air inlet on described burner inner liner, described flame jet is connected with burning casing one end, and the described combustor other end has air intake.
The described burner used by biomass micron carbonized powder method for high temp. combustion, its composition includes: burner casing, burner casing, described burner casing one end is provided with flame jet, described flame jet is connected with charging aperture, clean wind inlet respectively, and described clean wind inlet regulates device with eddy current wind tunable arrangement, Whirl deposite tank respectively and is connected.
Beneficial effects of the present invention:
The present invention encourages the fluffy biological material that stores and transport of being difficult to by after lightly-carbonized, being very easily broken into a micron carbon fuel, and the nearly tens times of volume reductions of volume, natural packing mass density can reach 350kg/m3, fundamentally changes the characteristic of straw not easily accumulating.
The lightly-carbonized micron fuel of biomass of the present invention quantitatively provides from hopper, and form carbon dust cloud with air, liquid flash calciner is to combustor or burner hearth, become a kind of can the high-grade fluid fuel of accurate quantification and controlled temperature combustion close to fuel oil and combustion gas, easily realize automatically controlling reinforced and ignition temperature, the same with combustion gas easy to use as fuel oil.
The present invention can realize the demand of various industrial high temperature: lime calcining temperature is at about 1200 DEG C；The firing temperature of architectural pottery is mostly at about 1300 DEG C；And cement industry temperature firing temperature is more than 1400 DEG C；Blast furnace crucibe is near tuyere area temperature 1700～2000 DEG C, bottom temperature 1450～1500 DEG C；Copper metallurgy end flue temperature 1500 DEG C～1550 DEG C, stove tail temperature 1250 DEG C～1300 DEG C；And with boiler for the thermal power generation system of core, the ignition temperature of fuel requires more than 1500 DEG C.
The lightly-carbonized micron fuel of biomass of the present invention seals conveying with air fluidization in proportion, gaseous combustion, carbon zero-emission, without tar and wood vinegar, nitrogen oxides is low, and without white carbon black cleaning burning, inorganic matter ash is through high temperature melting, the few ash of tail gas, has people to be referred to as solid gas or solid-state diesel fuel for this.
Invention has got around the high cost route of molding carbon or concentrated biomass carbon content, but walk to improve biomass energy rate of release to provide ignition temperature scientific method, this fuel ratio coal cost is slightly higher, but efficiency of combustion improves more than 30% than coal, and cost is all lower than natural gas and coke cost.
The present invention lightly-carbonized micron fuel cost accounting is as follows: 1.5 tons of straws can produce 1 ton of biological carbon, 29 KWhs/ton of carbon of power consumption (29 yuan/ton of carbon of power consumption), carburizing temperature 370 ~ 390 DEG C, produce 15 tons of carbon dusts daily and need 4 workman's (27 yuan/ton of carbon dusts, work every day 10 hours), it is processed into 22.75 yuan/ton of carbon dusts of micron order carbon dust cost and (produces 2 tons of micrometer carbon powder power consumption 55KW per hour, produce 20 tons of micrometer carbon powder daily and need 4 workmans, work every day 10 hours), consider that equipment depreciation and biomass straw add heat loss, the processing charges less than 150 yuan/ton at the lightly-carbonized micrometer carbon powder end of biomass per ton.This fuel cost is different and different from local straw acquisition cost.The lightly-carbonized micro-powder heating scale of different biomass:
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of combustor of the present invention.
Accompanying drawing 2 is the structural representation of combustor of the present invention.
Accompanying drawing 3 is the structural representation of burner of the present invention.
Detailed description of the invention:
Embodiment 1:
A kind of biomass micron carbonized powder method for high temp. combustion, the method comprises the steps:
(1) carbonization: adopting the lightly-carbonized technique of external-heat to be undertaken lightly-carbonized by biomass, carburizing temperature is 350 ~ 390 DEG C, distillates the wood vinegar in biomass and tar ingredients；
(2) micronized processing: the biomass after carbonization carry out micronized processing, generates biomass micron carbon dust fuel；
(3) mixing: the biomass micron carbon dust fuel that micronized processing generates is mixed to form carbon dust cloud with air；
(4) spray cloud: the carbon dust cloud being mixed to form is sprayed onto in combustor, burner hearth or combustor or burner.
Embodiment 2:
Biomass micron carbonized powder method for high temp. combustion according to embodiment 1, described lightly-carbonized technique, for carry out being crushed into micro-powder carbon fuel by lightly-carbonized for cleaning product Highefficientpulverizer, namely obtains a kind of low cost and can form the biomass micron carbon dust of high-temp combustion.
Embodiment 3:
Biomass micron carbonized powder method for high temp. combustion according to embodiment 1 or 2, the mixing ratio of described air and carbon micron fuel is 3.8 ~ 5.5L:1kg, carbon dust cloud is injected directly into pre-heated combustor or burner hearth by the blast of high pressure positive blower, form the flame of high speed rotating or the flame of candle flame shape shape, remove heating boiler, smelting furnace, calcining kiln or promote heat engine work.
Embodiment 4:
A kind of combustor used by biomass micron carbonized powder method for high temp. combustion as described in one of embodiment 1-3, its composition includes: combustion chamber shell 1, the inside of described combustion chamber shell has combustor 2, one end of described combustor has combustor door 3, the other end of described combustor has flame jet 4, and described combustion chamber shell has charging aperture 5, note air port 6.
Embodiment 5:
A kind of combustor used by biomass micron carbonized powder method for high temp. combustion as described in one of embodiment 1-3, its composition includes: burning casing 7, the inside of described combustion chamber shell has burner inner liner 8, described burner inner liner one end has flame jet 9, the described burner inner liner other end is connected with charging aperture 10, having air inlet 11 on described burner inner liner, described flame jet is connected with burning casing one end, and the described combustor other end has air intake 12.
Implement: 6:
A kind of burner used by biomass micron carbonized powder method for high temp. combustion as described in one of embodiment 1-3, its composition includes: burner casing 13, described burner casing one end is provided with flame jet 14, described flame jet is connected with charging aperture 15, clean wind inlet 16 respectively, and described clean wind inlet regulates device 18 with eddy current wind tunable arrangement 17, Whirl deposite tank respectively and is connected.
Claims (6)
1. a biomass micron carbonized powder method for high temp. combustion, is characterized in that: the method comprises the steps:
(1) carbonization: adopting the lightly-carbonized technique of external-heat to be undertaken lightly-carbonized by biomass, carburizing temperature is 350 ~ 390 DEG C, distillates the wood vinegar in biomass and tar ingredients；
(2) micronized processing: the biomass after carbonization carry out micronized processing, generates biomass micron carbon dust fuel；
(3) mixing: the biomass micron carbon dust fuel that micronized processing generates is mixed to form carbon dust cloud with air；
(4) spray cloud: the carbon dust cloud being mixed to form is sprayed onto in combustor, burner hearth or combustor or burner.
2. biomass micron carbonized powder method for high temp. combustion according to claim 1, it is characterized in that: described lightly-carbonized technique, for carry out being crushed into micro-powder carbon fuel by lightly-carbonized for cleaning product Highefficientpulverizer, namely obtains a kind of low cost and can form the biomass micron carbon dust of high-temp combustion.
3. biomass micron carbonized powder method for high temp. combustion according to claim 1 and 2, it is characterized in that: the mixing ratio of described air and carbon micron fuel is 3.8 ~ 5.5L:1kg, carbon dust cloud is injected directly into pre-heated combustor or burner hearth by the blast of high pressure positive blower, form the flame of high speed rotating or the flame of candle flame shape shape, remove heating boiler, smelting furnace, calcining kiln or promote heat engine work.
4. the combustor used by biomass micron carbonized powder method for high temp. combustion as described in one of claim 1-3, its composition includes: combustion chamber shell, it is characterized in that: the inside of described combustion chamber shell has combustor, one end of described combustor has combustor door, the other end of described combustor has flame jet, and described combustion chamber shell has charging aperture, note air port.
5. the combustor used by biomass micron carbonized powder method for high temp. combustion as described in one of claim 1-3, its composition includes: burning casing, it is characterized in that: the inside of described combustion chamber shell has burner inner liner, described burner inner liner one end has flame jet, the described burner inner liner other end is connected with charging aperture, having air inlet on described burner inner liner, described flame jet is connected with burning casing one end, and the described combustor other end has air intake.
6. the burner used by biomass micron carbonized powder method for high temp. combustion as described in one of claim 1-3, its composition includes: burner casing, it is characterized in that: burner casing, described burner casing one end is provided with flame jet, described flame jet is connected with charging aperture, clean wind inlet respectively, and described clean wind inlet regulates device with eddy current wind tunable arrangement, Whirl deposite tank respectively and is connected.
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Cited By (6)
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| CN106905989A (en) * | 2017-04-18 | 2017-06-30 | 青岛冠宝林活性炭有限公司 | A kind of biomass micro mist clean fuel |
| CN109135786A (en) * | 2018-10-31 | 2019-01-04 | 阔阳（湖北）环保节能科技有限公司 | Biomass solid combustion gas carbonization system |
| CN109266372A (en) * | 2018-10-31 | 2019-01-25 | 阔阳（湖北）环保节能科技有限公司 | Biomass solid combustion gas preparation system |
| CN109321263A (en) * | 2018-10-31 | 2019-02-12 | 阔阳（湖北）环保节能科技有限公司 | The preparation process of biomass solid combustion gas |
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