CN101914391A - Straw gasification furnace - Google Patents

Straw gasification furnace Download PDF

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Publication number
CN101914391A
CN101914391A CN2010102811760A CN201010281176A CN101914391A CN 101914391 A CN101914391 A CN 101914391A CN 2010102811760 A CN2010102811760 A CN 2010102811760A CN 201010281176 A CN201010281176 A CN 201010281176A CN 101914391 A CN101914391 A CN 101914391A
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CN
China
Prior art keywords
drum
type furnace
furnace rake
rake
stalk
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CN2010102811760A
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Chinese (zh)
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CN101914391B (en
Inventor
张英华
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张英华
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Priority to CN 201010281176 priority Critical patent/CN101914391B/en
Publication of CN101914391A publication Critical patent/CN101914391A/en
Application granted granted Critical
Publication of CN101914391B publication Critical patent/CN101914391B/en

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Abstract

The invention discloses a straw gasification furnace. When the straw gasification furnace is used, a hearth door is opened, and minced straw is put into a drum-type furnace rake; when half of the drum-type furnace rake is filled with the straw, the straw in the drum-type furnace rake is ignited. The hearth door is closed, the valve of a gas stove is opened, and smoke is discharged out of the gas stove. A blast blower is started, and air blown by the blast blower enters a stove ash chamber via a blast pipe through a heating and humidifying device so as to provide combustion-supporting air for burning straw in the drum-type furnace rake. A driver is started to drive the drum-type furnace rake to rotate so as to stir the burning straw in the drum-type furnace rake; with the help of the air blown by the blast blower, the straw in the drum-type furnace rake is completely burnt. The hearth door is opened, and a certain quantity of straw is added in the drum-type furnace rake. A cover is put into the drum-type furnace rake, and slides down to compact the straw. The hearth door is closed, and the gas stove is ignited when the straw in the drum-type furnace rake is smoldered. The invention can convert the straw into gas for farmers to use.

Description

Stalk gasifier
Technical field:
The present invention relates to a kind of stalk gasifier.
Background technology:
The various stalk gasifiers of online spending, this technology last century the eighties just occur; But some technical problem can't solve, so can't use this technology.The first, ignition problem, the straw burning in the stalk gasifier belongs to smoulders, and does not just have the burning of flare; And common and the easiest burning is the burning that flare is arranged, and wants to produce to smoulder: at first straw chopping will be placed on the stalk of chopping on the furnace rake then and burn; (for example: reduce the air quantity that gas blower blows out and control the combustionvelocity of stalk and the heat of generation, stalk is converted into by burning smoulders with the method for chemistry (method of promptly controlling straw burning speed reduces the heat that burning produces) straw burning is converted into to smoulder.), thereby produce combustion gas.This process is difficult to control, and draw an analogy: the 4th buildings of building and following resident family are directly supplied water by the running water pipe of Running-water Company.The 5th buildings and above resident family are supplied water by the roof pond, and tap water flows to the roof pond earlier, is flow in the 5th buildings and the man of above resident family by the pond again; The water in pond uses up, the hydraulic pressure of tap water inadequately can't be to the pond moisturizing, a water-butt have to be looked for by resident family, tap water is received in the water-butt by water tap with sebific duct then, the water in the water-butt is extracted in the roof pond (Running-water Company do not allow directly draw water with force (forcing) pump) with submersible pump.The water that flows to the water in the water-butt so and extract out in the water-butt is to be difficult to equilibrated, and it is too big that water tap is opened, and water overflows in water-butt, and it is too little that water tap is opened, and the water in the water-butt is evacuated.Have the online friend to reflect: stalk gasifier is put cooking stove burning after going out combustion gas, has used just not had fire a little while, and stalk gasifier is very boiling hot.Illustrate that fire has transferred burning in the stalk gasifier by smouldering, no longer produce combustion gas.The second, in the combustion gas of Chan Shenging tar is arranged, this problem can solve with physical method or chemical process.Physical method is that water cleans or filters, and can cause secondary pollution like this.Chemical process is that the combustion gas that contains tar is heated to more than 300 degree, allows tar decompose, and becomes inflammable gas.The tar that produces when three, stalk is smouldered makes the stalk caking in the stove or flows on the furnace rake.Therefore, there is the people to point out that stalk gasifier is one and stir-fries office before stewing in the Chinese Central Television (CCTV), can solves but people thirst for the difficult problem that stalk can gasify, thirst for gasifying stalk.
Summary of the invention:
The present invention uses the drum-type furnace rake to replace fixedly furnace rake, with physical method the stalk in the drum-type furnace rake is changed into by burning and to smoulder, with chemical process in the combustion gas with the drum-type furnace rake on the tar thermal degradation become inflammable gas, allow the stalk that is in the central position also smoulder, no longer allow stalk lump because of tar.Give combustion-supporting air heating humidification, the speed that stalk is smouldered in the index drum formula furnace rake, and then the temperature of control burner hearth.
Stalk gasifier of the present invention is made up of shell, burner hearth, ashes chamber, hearth door, ashes door, furnace rake, blast pipe, gas blower, smoke exhaust pipe, furnace temperature table, inlet temperature table and air intake psychrometric chart.Burner hearth is provided with hearth door.The ashes chamber is provided with the ashes door.Burner hearth communicates above the ashes chamber and with the ashes chamber.Smoke exhaust pipe picks out from the burner hearth top.Blast pipe inserts the ashes chamber.Described furnace rake is to be installed in the burner hearth before drum-type furnace rake, the drum-type furnace rake high back low dip, and drum-type furnace rake nose circle mouth and hearth door align.The internal layer of drum-type furnace rake is that metallic framework, skin are wire nettings.The drum-type furnace rake has lid, and the periphery of lid and front side also are that metallic framework, rear side also are wire nettings.The middle position of lid front side metallic framework has one perpendicular to lid planar annulus.The external diameter of lid is less than the internal diameter of drum-type furnace rake, so lid can move forward and backward in the drum-type furnace rake.The metallic framework front end of drum-type furnace rake and preceding brasses bearing are suitable, and the rotating shaft of drum-type furnace rake rear end is installed follower gear after passing the back brasses bearing of adorning on the burner hearth rear wall backward again; On the described stalk gasifier driving mechanism is housed, in the rotating shaft of driving mechanism driving toothed gear is housed; Driving toothed gear drives follower gear by chain and rotates and then drive the rotation of drum-type furnace rake.Described stalk gasifier has the warming and humidifying device.The warming and humidifying device is that the air outlet tube of described gas blower is received on the inlet of heating distribution air door, the inlet of heating coil is received heating and is distributed in the outlet of air door, the inlet of cold-air duct is received heating and is distributed in another outlet of air door, receive after the outlet of heating coil and the outlet of cold-air duct are joined on the inlet of humidification distribution air door, heating coil is contained in the top of drum-type furnace rake in the burner hearth.The inlet of humidification pipe is received humidification and is distributed in the outlet of air door, and the inlet of dry-air blast pipe is connected on humidification and distributes in another outlet of air door, and the outlet of the outlet of humidification pipe and dry-air blast pipe is received on the blast inlet of described blast pipe after joining.Water inlet and water discharge valve are housed on the humidification pipe, and the heated portion of hot-plate is contained on the inboard wall of burner hearth, afterbody wraps on the humidification pipe.Described driving mechanism can be manual energy storage driver.Described driving mechanism also can be a motor driver.
Adopt the structure vapourizing furnace of this structure.During use, open water discharge valve earlier, close water discharge valve the row of the water in humidification pipe light; Hot-water flooding in from water-in toward the humidification pipe.Distribute heating air door to get to full heating gear and put, distribute humidification air door to get to the gear of closing the humidification pipe and put.Open hearth door, take out the lid of drum-type furnace rake, stalk is switched to certain-length and puts into the drum-type furnace rake; Deng the stalk that is put into the drum-type furnace rake half-full after, light the stalk in the drum-type furnace rake.Close hearth door, open the gas-cooker valve, allow flue gas discharge from gas-cooker.Start gas blower, the wind that gas blower bloats distributes air door, heating coil, humidification to distribute air door and dry-air blast pipe to enter blast pipe through heating, blows out from the ashes chamber, enters and supports straw burning in the drum-type furnace rake.Because it is half-full that the stalk in the drum-type furnace rake is only adorned, the flare of very high straw burning is arranged in the drum-type furnace rake, can not occur smouldering.Handle energy storage to motor driver is switched on or shaken manual energy storage driver rotates the drum-type furnace rake thereby the rotation of the driving toothed gear in the driving mechanism rotating shaft drives the follower gear rotation by chain; Along with the rotation of drum-type furnace rake, not having above the incendiary stalk translated in the drum-type furnace rake, that spent stalk is translated into is following, above do not have the incendiary stalk to light.Therefore the stalk in the drum-type furnace rake is all lighted.Open hearth door again, add the stalk that enough boils a meal inside; Then lid is put into the drum-type furnace rake, lid glides the stalk compacting.Shut hearth door, observe the situation that stalk is smouldered in the drum-type furnace rake by the devitrified glass on the hearth door.Check the furnace temperature table, the pointer adjustment heating according to inlet temperature table and air intake psychrometric chart simultaneously distributes air door and humidification to distribute the gear of air door, makes furnace temperature reach prescribed value.The point cooking stove burning, the valve of adjusting gas-cooker makes flame just right.
The present invention why can be rapidly changes the burning of stalk into and smoulders, and is because the present invention not have to use the chemistry of the existing stalk gasifier conversion method of lowering the temperature, and is to use the Physical temperature-lowering conversion method.Detailed process is as follows: during beginning, when I put stalk in the drum-type furnace rake, do not pile the drum-type furnace rake, only put half-full; Light the stalk in the drum-type furnace rake then.Because the flare of straw burning is far from the wire netting of top, the air-flow that the heat that flare discharges is risen except a part is taken away, some is used for heating fast burning and spent stalk, keeps the temperature of spent stalk being heated on the burning-point, making it to burn on the burning-point and fast incendiary stalk.Under a large amount of wind action that gas blower blows out and under the influence of drum-type furnace rake rotation, the stalk in the drum-type furnace rake burns more prosperous and more prosperous.
We know that the burning of combustiblematerials will possess two conditions: the one, combustion-supporting gas is arranged, and the 2nd, make the temperature of combustiblematerials reach burning-point.We observe the combustion case of following two kinds of materials, diesel oil and gasoline: take two little basins of metal, the inside is adorned diesel oil and gasoline respectively.Get two little paper, put into two little basins of metal after lighting respectively; Gasoline is lighted, and produces big fire; In the diesel oil basin, the very fast breath of the little paper of incendiary goes out.Reason is that the burning-point of gasoline is lower than diesel oil, and gasoline is volatile; After a part of gasoline gas that volatilizes was lighted, the heat of generation was easy to the evaporable gasoline gas of not lighted is heated to burning-point, is also lighted.The heat that incendiary gasoline gas produces heats, volatilizes more gasoline gas to liquid gasoline; Cause gasoline to burn more prosperous and more prosperous.And the heat that the little paper burning in the diesel oil basin produces is absorbed by diesel oil; Not only diesel oil is not heated to burning-point, on the contrary the temperature of little paper combustion parts is dropped to below the burning-point, causes the fire of little paper to extinguish.
We open hearth door, toward the interior stalk that adds some amount of drum-type furnace rake; Then lid is put into the drum-type furnace rake, the stalk in the lid downslide squeezing roll cartridge type furnace rake.The fervid stalk that drum-type furnace rake internal combustion is crossed can't burn away; Burn because the heat that its oxidizing reaction produces by stalk on every side or wire netting absorption, makes fervid stalk be warmed up to burning-point, can only be to smoulder.The heat that stalk is smouldered is along with the gas of heat is up walked, and the stalk of heating top makes the stalk of top also begin to smoulder.The wire netting above the heat heating that produces of smouldering of stalk topmost, when the inflammable gas that contains tar was worn the superheated wire netting, tar was heated and is decomposed into inflammable gas and makes full use of.Driver drives drum-type furnace rake slowly rotates, and the stalk of smouldering forwards to when following, and the stalk above the heat heating of generation makes top stalk also begin to smoulder.Forward the stalk of smouldering below to and produce ashes to drop to ashes from metal mesh opening indoor, no longer hinder the stalk in the drum-type furnace rake to ventilate.Because the rotation of drum-type furnace rake, the stalk at drum-type furnace rake center is also smouldered, and makes the stalk at center can be owing to tar lumps.In the drum-type furnace rake stalk smoulder the ashes that produce drop to ashes indoor after, the stalk volume in the drum-type furnace rake reduces.Lid is down sliding along the drum-type furnace rake that tilts and rotating, and the stalk compacting in the drum-type furnace rake, makes the stalk in the drum-type furnace rake continue to smoulder.
Gas blower is given combustion-supporting air heating by the warming and humidifying device, the interior stalk of rotary retort furnace with internal screw rake is smouldered speed up, and the temperature in the burner hearth raises; Give the combustion air humidification, the stalk speed of smouldering in the rotary retort furnace with internal screw rake is slowed down, the temperature in the burner hearth reduces.According to the amount of weather condition situation and required generation inflammable gas, regulate the speed that stalk is smouldered in the drum-type furnace rake.
Description of drawings:
Below in conjunction with the drawings and specific embodiments the present invention is done further concrete detailed explanation.
Fig. 1 is a schematic appearance of the present invention.
Fig. 2 is an A-A sectional view of the present invention.
Fig. 3 is a B-B sectional view of the present invention.
Fig. 4 is the view after the present invention removes bonnet.
Fig. 5 is the outside drawing of drum-type furnace rake of the present invention.
Fig. 6 is the schematic diagram of warming and humidifying device of the present invention.
Embodiment:
Fig. 1 is to shown in Figure 6, stalk gasifier of the present invention is made up of shell 1, burner hearth 2, ashes chamber 3, hearth door 4, ashes door 5, drum-type furnace rake 6, driving mechanism 10, blast pipe 14, smoke exhaust pipe 15, gas blower 16, warming and humidifying device, furnace temperature table 26, inlet temperature table 27 and air intake psychrometric chart 28.Burner hearth 2 communicates above ashes chamber 3 and with ashes chamber 3.Burner hearth 2 is provided with hearth door 4.Ashes chamber 3 is provided with ashes door 5.Smoke exhaust pipe 15 picks out from burner hearth 2 tops.Blast pipe 14 inserts ashes chamber 3.Be installed in the burner hearth 2 before the drum-type furnace rake 6, drum-type furnace rake 2 front end round mouths and hearth door 4 align high back low dip.The internal layer of drum-type furnace rake 2 is that metallic framework, skin are wire nettings.Drum-type furnace rake 6 has lid 7, and the periphery of lid 7 and front side also are that metallic framework, rear side also are wire nettings, and the middle position of lid 7 front side metallic frameworks has one perpendicular to lid 7 planar annulus; The external diameter of lid 7 can move forward and backward in drum-type furnace rake 6 less than the internal diameter so the lid 7 of drum-type furnace rake 6.The metallic framework front end of drum-type furnace rake 6 and preceding brasses bearing 8 are suitable, and the rotating shaft of drum-type furnace rake 6 rear ends is installed follower gear 12 after passing the back brasses bearing of adorning on burner hearth 2 rear walls 9 backward again; Driving toothed gear 11 is housed in the rotating shaft of driving mechanism 10; Driving toothed gear drives follower gear 12 by chain 13 and rotates and then drive 6 rotations of drum-type furnace rake.The air heating damping device is: the air outlet tube of gas blower 16 is received on the inlet of heating distribution air door 17, the inlet of heating coil 19 is received heating and is distributed in the outlet of air door 17, the inlet of cold-air duct 18 is received heating and is distributed in another outlet of air door 17, receives after the outlet of the outlet of heating coil 19 and cold-air duct 18 is joined on the inlet of humidification distribution air door 20.Heating coil 19 is contained in the top of drum-type furnace rake (6) in the burner hearth 2.The inlet of humidification pipe 21 is received humidification and is distributed in the outlet of air door 20, and the inlet of dry-air blast pipe 22 is connected on humidification and distributes in another outlet of air door 20, and the outlet of the outlet of humidification pipe 21 and dry-air blast pipe 22 is received on the blast inlet of blast pipe 14 after joining.Water inlet 23 and water discharge valve 24 are housed on the humidification pipe 21, and the heated portion of hot-plate 25 is contained on burner hearth 2 walls, afterbody wraps on the humidification pipe 21.Described driving mechanism 10 can be manual energy storage driver 10.Described driving mechanism 10 also can be a motor driver 10.
Adopt the structure vapourizing furnace of this structure.During use, open water discharge valve 24 earlier, close water discharge valve 24 the water of 21 li of humidification pipes row light; From water-in 23 toward 21 li hot-water floodings of humidification pipe, because hot water can evaporate a large amount of water vapour.Distribute heating air door 17 to get to full heating gear and put, distribute humidification air door 20 to get to the gear of closing humidification pipe 21 and put.What enter ashes chamber 3 like this is xeothermic combustion air.Open hearth door 4, put into drum-type furnace rake 6 after stalk is switched to certain-length; Deng the half-full back of the stalk that is put into drum-type furnace rake 6 (can allow stalk that the incendiary space is arranged like this), light the stalk in the drum-type furnace rake 6.Close hearth door 4, open the valve of gas-cooker 29, the flue gas that allows straw burning produce is discharged from gas-cooker 29.Start gas blower 16, the wind that gas blower 16 bloats distributes air door 17, heating coil 19, humidification to distribute air door 20 and dry-air blast pipe 22 to enter blast pipe 14 through heating, blows out from ashes chamber 3, combustion air is provided for the stalk in the drum-type furnace rake 6.Because it is half-full that the stalk in the drum-type furnace rake 6 is only adorned, the space of very high straw burning is arranged in the drum-type furnace rake 6, can not occur smouldering.Give motor driver 10 energisings or the handle energy storage of shaking manual energy storage driver 10, the driving toothed gear 11 in driving mechanism 10 rotating shafts rotates, thereby drive follower gear 12 rotations by chain 13 drum-type furnace rake 6 is rotated; Along with the rotation of drum-type furnace rake 6, not having above the incendiary stalk translated in the drum-type furnace rake 6, below spent stalk is translated into above do not have the incendiary stalk to light.Therefore the stalk in the drum-type furnace rake 6 is all lighted.Open hearth door 4 again, add the stalk that enough boils a meal inside; Then lid 7 is put into drum-type furnace rake 6, lid 7 downslide stalks push away and compacting inward.Lid 7 is to have filled stalk in the interior drum-type furnace rake 6; Stalk contacts with the outer layer metal net of drum-type furnace rake 6, no longer remains with the space of straw burning.Electric stalk can only be smouldered in the drum-type furnace rake 6.Shut hearth door 4, observe the situation that the stalk in the drum-type furnace rake 6 is smouldered by the devitrified glass on the hearth door 4.Check furnace temperature table 26, the pointer adjustment heating according to inlet temperature table 27 and air intake psychrometric chart 28 simultaneously distributes air door 17 and humidification to distribute the gear of air door 20, makes furnace temperature reach prescribed value.Point cooking stove burning 29, the valve of adjusting gas-cooker 29 makes flame just right.
The present invention why can be rapidly changes the burning of stalk into and smoulders, and is because the present invention have to use the used chemistry of the existing stalk gasifier conversion method of lowering the temperature, and is to use the Physical temperature-lowering conversion method.Detailed process is as follows: during beginning, I put stalk (do not pile drum-type furnace rake 6, only put half-full) for 6 li toward the drum-type furnace rake; Light the stalk of 6 li of drum-type furnace rakes then.Because the flare of straw burning is far from the wire netting of top, the air-flow that the heat that flare discharges is risen except a part is taken away, some is used for heating fast burning and spent stalk, keeps the temperature of spent stalk being heated on the burning-point, making it to burn on the burning-point and fast incendiary stalk.Under a large amount of wind action that gas blower 16 blows out and under the influence of drum-type furnace rake 6 rotations, the stalks in the drum-type furnace rake 6 burn more prosperous and more prosperous.
We open hearth door 4, toward the drum-type furnace rake 6 interior stalks that add some amount; Then lid 7 is pushed in the drum-type furnace rake 6 stalk in the squeezing roll cartridge type furnace rake 6.The fervid stalk that drum-type furnace rake 6 internal combustion are crossed can't burn away; Burn because the heat that its oxidizing reaction produces by stalk on every side or wire netting absorption, makes fervid stalk be warmed up to burning-point, can only be to smoulder.The heat that stalk is smouldered is along with hot gas is up walked, and the stalk of heating top makes the stalk of top also begin to smoulder.The wire netting above the heat heating that produces of smouldering of stalk topmost, when the inflammable gas that contains tar was worn the superheated wire netting, tar was heated and is decomposed into inflammable gas and makes full use of.Thereby driving mechanism 10 rotates by chain 13 follower gears 12 by driving toothed gear 11 and drives drum-type furnace rakes 6 and slowly rotate, and the stalk of smouldering forwards to when following, and the stalk above the heat heating of generation makes top stalk also begin to smoulder.Forward the stalk of smouldering below to and produce ashes to drop to ashes from metal mesh opening indoor, no longer hinder the stalks in the drum-type furnace rake 6 to ventilate.Because the rotation of drum-type furnace rake 6, the stalk at drum-type furnace rake 6 centers is also smouldered, and makes the stalk at center can be owing to tar lumps.The stalks ashes that the back produces of smouldering in the drum-type furnace rake 6, dropping to ashes from the downside metal mesh opening of drum-type furnace rake 6, indoor (mesh of wire netting can not be too big, otherwise stalk passes the rotation that mesh influences drum-type furnace rake 6; The outer mesh of metal can not be too little, otherwise can influence the removing of ashes), the stalk volume in the drum-type furnace rake 6 is reduced.Lid 7 is along the drum-type furnace rake 6 past glide (here the slickness of the metallic framework of the obliquity of the weight of lid 7, drum-type furnace rake 6 and drum-type furnace rake 6 all can influence the downslide of lid 7) that tilts and rotating, the stalk compacting in the drum-type furnace rake 6, make the stalk in the drum-type furnace rake 6 continue to smoulder.
The wind that gas blower 16 blows out can make rotary retort furnace with internal screw rake 6 interior stalks smoulder and speed up through the heating of warming and humidifying device, and the temperature in the burner hearth 2 raise; Humidification can make the stalk speed of smouldering in the rotary retort furnace with internal screw rake 6 slow down, and the temperature in the burner hearth 2 reduces.Wherein, heat and the humidity maximum of the combustion air of humidification, only heat the not humidity minimum of the combustion air of humidification.When the present invention uses little fire at gas-cooker 29, can stop gas blower.According to the amount of weather condition situation and required generation inflammable gas, regulate the speed that stalk is smouldered in the drum-type furnace rake 6.For example: Guangdong is damp and hot summer, and combustion air does not need humidification and heating; Winter is sombrely moist, direct heating could reduce the humidity of combustion air.Xinjiang is xeothermic summer, and so-called blazing fire and dry wood, caught in a passion will be to the combustion air humidification; Winter is dry and cold, be to the combustion air heating.Heating distributes air door 17 and humidification to distribute the structure of air door 20 identical, can be welded into Y-shaped with three strip metal square tubes; Two bifurcateds of top are outlets, and it is inlet that one of bottom erects.But on the interlacing line of two outlets, stretch out the tongue of a slice left-right rotation to inlet.Tongue is turned left and is sealed the outlet on the left side, opens wide the outlet on the right simultaneously; Tongue is turned right and is sealed the outlet on the right, opens wide the outlet on the left side simultaneously.
The present invention can cancel the preceding brasses bearing 8 of drum-type furnace rake 6, directly with long back brasses bearing 9.Between driving mechanism 10 of the present invention and the drum-type furnace rake 6, can be with belt transmission or direct geared transmission.If allow the present invention produce inflammable gas continuously, incessantly, can cancel the lid 7 of hearth door 4 and drum-type furnace rake 6, allow the spirane structure transfer roller carry stalk directly for drum-type furnace rake 6.

Claims (3)

1. stalk gasifier, by shell, burner hearth, the ashes chamber, hearth door, the ashes door, furnace rake, blast pipe, gas blower, smoke exhaust pipe, the furnace temperature table, inlet temperature table and air intake psychrometric chart are formed, burner hearth is established hearth door, the ashes door is established in the ashes chamber, burner hearth is above the ashes chamber, and communicate with the ashes chamber, smoke exhaust pipe picks out from the burner hearth top, blast pipe inserts the ashes chamber, it is characterized in that: described furnace rake is drum-type furnace rake (6), be installed in the described burner hearth (2) the preceding high back of drum-type furnace rake (6) low dip, drum-type furnace rake (6) front end round mouth and described hearth door align, the internal layer of drum-type furnace rake (6) is a metallic framework, skin is a wire netting, drum-type furnace rake (6) has lid (7), the periphery of lid (7) and front side also are metallic frameworks, rear side also is a wire netting, the middle position of lid (7) front side metallic framework has one perpendicular to lid (7) planar annulus, the external diameter of lid (7) is less than the internal diameter of drum-type furnace rake (6), therefore lid (7) can move forward and backward in drum-type furnace rake (6), the metallic framework front end of drum-type furnace rake (6) and preceding brasses bearing (8) are suitable, and the rotating shaft of drum-type furnace rake (6) rear end is passed the back brasses bearing of adorning on the described burner hearth rear wall (9) backward follower gear (12) is installed afterwards again; Driving mechanism (10) is housed on the described stalk gasifier, driving toothed gear (11) is housed in the rotating shaft of driving mechanism (10), driving toothed gear (11) drives follower gear (12) by chain (13) and rotates and then drive drum-type furnace rake (6) rotation; Described stalk gasifier has the warming and humidifying device, the warming and humidifying device is that the air outlet tube of described gas blower (16) is received on the inlet of heating distribution air door (17), the inlet of heating coil (19) is received heating and is distributed in the outlet of air door (17), the inlet of cold-air duct (18) is received heating and is distributed in another outlet of air door (17), receive after the outlet of the outlet of heating coil (19) and cold-air duct (18) is joined on the inlet of humidification distribution air door (20), described heating coil 19 is contained in the top of the drum-type furnace rake (6) in the described burner hearth (2); The inlet of humidification pipe (21) is received humidification and is distributed in the outlet of air door (20), the inlet of dry-air blast pipe (22) is connected on humidification and distributes in another outlet of air door (20), and the outlet of the outlet of humidification pipe (21) and dry-air blast pipe (22) is received on the blast inlet of described blast pipe (14) after joining; Described humidification pipe (21) has water-in (23) and water discharge valve (24), and the heated body of hot-plate (25) is contained on described burner hearth (2) inwall, and the afterbody of hot-plate (25) wraps on the humidification pipe (21).
2. according to the described stalk gasifier of claim 1, it is characterized in that: described driving mechanism (10) is manual energy storage driver (10).
3. according to the described stalk gasifier of claim 1, it is characterized in that: described driving mechanism (10) is a motor driver.
CN 201010281176 2010-09-01 2010-09-01 Straw gasification furnace CN101914391B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102876387A (en) * 2012-09-26 2013-01-16 张英华 Straw gasification furnace capable of continuously producing gas
CN104101211A (en) * 2014-07-29 2014-10-15 苏州新协力环保科技有限公司 Biomass smelting furnace

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