CN108048136A - A kind of biogas generating means - Google Patents

A kind of biogas generating means Download PDF

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Publication number
CN108048136A
CN108048136A CN201810082582.0A CN201810082582A CN108048136A CN 108048136 A CN108048136 A CN 108048136A CN 201810082582 A CN201810082582 A CN 201810082582A CN 108048136 A CN108048136 A CN 108048136A
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CN
China
Prior art keywords
furnace body
furnace
generating means
biogas
gas
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CN201810082582.0A
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Chinese (zh)
Inventor
黄伟
冯言刚
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Individual
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Individual
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Priority to CN201810082582.0A priority Critical patent/CN108048136A/en
Publication of CN108048136A publication Critical patent/CN108048136A/en
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/58Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
    • C10J3/60Processes
    • C10J3/64Processes with decomposition of the distillation products
    • C10J3/66Processes with decomposition of the distillation products by introducing them into the gasification zone
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02Fixed-bed gasification of lump fuel
    • C10J3/20Apparatus; Plants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02Fixed-bed gasification of lump fuel
    • C10J3/20Apparatus; Plants
    • C10J3/34Grates; Mechanical ash-removing devices
    • C10J3/40Movable grates
    • C10J3/42Rotary grates
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • C10J3/723Controlling or regulating the gasification process
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • C10J3/74Construction of shells or jackets
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • C10J3/82Gas withdrawal means
    • C10J3/84Gas withdrawal means with means for removing dust or tar from the gas
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/09Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913Carbonaceous raw material
    • C10J2300/0916Biomass
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/16Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603Integration of gasification processes with another plant or parts within the plant with gas treatment
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/16Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C10J2300/1615Stripping
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/16Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1625Integration of gasification processes with another plant or parts within the plant with solids treatment

Abstract

The invention discloses a kind of biogas generating means, including feed device, gasification furnace, slag-draining device, it is characterized in that:The gasification furnace includes furnace body, bottom of furnace body is provided with slag-drip opening, slag-draining device is provided on slag-drip opening, furnace body lower end is provided with fire grate, fire grate upper end is divided into reduction zone, charring layer, destructive distillation layer from bottom to top, feed inlet is provided at the top of furnace body, feed inlet coordinates with feed device is sent into biomass fuel into furnace body, air supply duct and gas outlet are provided in furnace body, air supply duct end and gas outlet are connected with furnace body inner cavity, the junction of air supply duct and furnace chamber is arranged on charring layer side, and the junction of gas outlet and furnace chamber is arranged on reduction zone side.The biogas generating means can preferably reduce the amount of the tar contained in the biogas of generation.

Description

A kind of biogas generating means
Technical field
The present invention relates to gasification of biomass field, more particularly to a kind of biogas generating means.
Background technology
Biomass fuel is cheap as a kind of regenerative resource, and general agricultural crop straw, bamboo and wood chip etc. belong to In biomass fuel, biomass energy has the advantages that recyclability, volatile matter content are high, sulfur content is low etc., in the industrial production It is applied more and more widely, but directly burning-used biologic mass fuel can generate substantial amounts of flue dust, dust pollutes air, it is existing Solution be to solve the problems, such as this by the way that biomass is converted into biogas by biomass gasification device.
Existing gasification of biomass mainly realized by gasification furnace, existing biomass gasifying furnace generally using bottom into The mode of outlet carries out at the top of wind, by from gasification furnace side or its top feed when gasifying to biomass, biomass into It can by the generation of the processes such as biomass drying, biomass cracking, reduction reaction, oxidation reaction in gasification furnace after entering to gasification furnace The biogas of combustion.Biogas is discharged after generating from the gas outlet of top of gasification furnace, while remains in the residue in gasification furnace From gasification furnace bottom discharge.A certain amount of ash content and tar can be generated while generating biogas using existing gasification furnace, Ash content and tar can be also fed in gas outlet and pipeline connected to it with biogas.Meeting after tar temperature reduces It liquefies, the tar meeting mixed dust after liquefaction is sticked in gas outlet and pipeline, causes line clogging.
The content of the invention
It, can be compared in view of the deficiencies of the prior art, the present invention intends to provide a kind of biogas generating means Overcome above-mentioned technical problem well.
The present invention above-mentioned technical purpose technical scheme is that:A kind of biogas fills It puts, including feed device, gasification furnace, slag-draining device, it is characterized in that:The gasification furnace includes furnace body, and bottom of furnace body is provided with row Cinder notch is provided with slag-draining device on slag-drip opening, and furnace body lower end is provided with fire grate, and fire grate upper end is divided into reduction zone, charcoal from bottom to top To change layer, destructive distillation layer, feed inlet is provided at the top of furnace body, feed inlet coordinates with feed device is sent into biomass fuel into furnace body, Air supply duct and gas outlet are provided in furnace body, air supply duct end and gas outlet are connected with furnace body inner cavity, air supply duct with The junction of furnace chamber is arranged on charring layer side, and the junction of gas outlet and furnace chamber is arranged on reduction zone side.
Through the above technical solutions, gasification furnace is divided into reduction zone, charring layer from bottom to top in normal work inside furnace chamber With destructive distillation layer, the material when material is substituted in gasification furnace in reduction zone is arranged under the action of slag-draining device from slag-drip opening Go out, the biomass fuel after being carbonized at the same time in former charring layer enters reduction zone, and the biology in original destructive distillation layer fires Material is also entered in charring layer, while biomass fuel is transported to the feed inlet of top of gasification furnace and from feed inlet by feed device It puts into furnace body and is filled into destructive distillation layer.Due to the outlet of air supply duct be arranged on charring layer side and gas outlet and furnace chamber Junction is arranged on reduction zone side, so when the gasification furnace normal operation, extraneous air can be fed in charring layer, Charring layer is made to be in stably and controllable imperfect combustion state, due to furnace body top seal, the pressure on furnace chamber top can be higher than outer Boundary's air pressure, and furnace chamber lower part is in communication with the outside since reduction zone side is provided with gas outlet, air pressure is instead less than on furnace chamber at this Portion so the air-flow in furnace chamber can be to flowing at this, and passes through gas outlet and discharges furnace chamber.Air supply duct and gas outlet are so set The biomass in furnace chamber can be made to realize downdraft burning, so that the temperature highest of reduction zone.When extraneous air is by sending After wind pipeline enters charring layer, imperfect combustion occurs for the biomass fuel in charring layer, in the process biomass fuel It can carbonize and generate a certain amount of biogas.The heat that charring layer burning simultaneously generates can be transferred in destructive distillation layer, made The biomass fuel above charring layer is covered in be further dried, heat up under the action of heat.In the process in destructive distillation layer Biomass fuel in moisture become vapor, while the volatilizable ingredient such as tar in biomass fuel volatilizees.By Air-flow inside furnace chamber flows downward, so the gas that charring layer and destructive distillation layer generate can move downward and by reduction Layer.It is the biomass fuel after charing in reduction zone, main component is carbon and is in the combustion state of high temperature, works as charring layer The gas generated with destructive distillation layer can further react after reduction zone in reduction zone, wherein water vapour, carbon and dioxy Changing carbon etc. further reaction can generate water-gas, while tar also can further crack at this, generation molecular weight is smaller can Combustion gas body.The cigarette that charring layer burning generates in the process also further can be adsorbed and filtered, so that the life of output Substance gas is more clean.
Preferably, the exit of the slag-draining device other end is provided with bored charcoal room, is provided on bored charcoal room openable and closable Seal door.
Through the above technical solutions, the material of slag-draining device discharge can enter bored charcoal room, since slag-draining device is discharged It is the charcoal of combustion state, after the charcoal of combustion state enters bored charcoal room, the hatch door of bored charcoal room is closed, and makes to be in bored charcoal room Sealing state, in this case charcoal can taper off burning and cool down, formed activated carbon, so as to improve the economy of package unit Property.
Preferably, the air supply duct penetrates furnace body and by reduction zone side from furnace body lower end.
Through the above technical solutions, air supply duct penetrates furnace body from furnace body lower end and can make air-supply by reduction zone side Air in pipeline is heated, and is realized and is matched somebody with somebody oxygen to the hot wind of charring layer.Since the temperature in burner hearth is directly related to biomass The yield of gas, hot wind can be to avoid the reduction of charring layer temperature be caused, so that influencing with oxygen during oxygen is sent to charring layer The yield of biogas.
Preferably, the furnace body is cast, and furnace interior is preset with the interlayer of annular, and gas outlet is set simultaneously around interlayer It is connected with furnace chamber.
Through the above technical solutions, the setting of interlayer can make to enter a small amount of powder mixed in the biogas in interlayer Dirt and tar carry out second gasification, further remove tar removing and dust, the biogas for making generation is cleaner.
Preferably, the furnace body upper end is provided with gas pipeline, and gas pipeline is connected with interlayer, and the gas pipeline other end connects Gas washing cylinder is connected to, the liquid for gas washing is contained in gas washing cylinder, is provided with partition plate in the middle part of gas washing cylinder, liquid is submerged in partition plate lower end Face, gas pipeline end are connected with one side roof part of gas washing cylinder partition plate, and biogas is provided at the top of the gas washing cylinder partition plate other end Outlet.
Through the above technical solutions, the setting of gas washing cylinder can clean the biogas of generation, so as to further The substances such as the dust mixed in biogas are reduced, are polluted the environment after avoiding burning.The setting of gas washing cylinder can be with simultaneously Play the role of anti-backfire, avoiding biogas outlet, flame is entered along gas pipeline in gasification furnace when being tempered.
Preferably, the biogas outlet is connected with moisture separator.
Through the above technical solutions, the setting of aqueous vapor component force device can be dehydrated the biogas through over cleaning, It avoids mixing substantial amounts of aqueous vapor in the biogas after cleaning, biogas is caused to be not easy to light.
Preferably, the top of gasification furnace is provided with twice cylinder gate water seal door with together with from bottom to top.
Through the above technical solutions, the setting of twice cylinder gate water seal door with together with can preferably ensure in gasification furnace The in vivo biogas of stove and flue gas are not run out of at the top of furnace body when working machine feeds.When needing to be fed into furnace body, Water seal door is first opened, material is made to enter between first of cylinder gate and water seal door, is then shut off water seal door, is opened first Cylinder gate makes material enter first of cylinder gate and second between cylinder gate, is then shut off first of cylinder lock Door finally opens second cylinder gate, material is made to enter in furnace chamber.
Preferably, the furnace interior upper end is provided with temperature inductor, and temperature inductor is connected with controller, works as temperature When the temperature that inductor detects is more than setting value, controller control feed device feeding into furnace body.
Through the above technical solutions, the life of furnace interior can be ensured automatically to feeding in furnace body by controller The amount of biomass fuel ensures that the reaction in gasification furnace is normally carried out.
Preferably, it is fixed with vibrator on the gasification furnace outer wall.
Through the above technical solutions, the setting of vibrator can promote the deslagging of reduction zone, enable the material in reduction zone Enough fire grate is more moved smoothly through to drop on furnace body discharge port.
Preferably, it is provided with insulating layer on the outside of the furnace body.
Through the above technical solutions, the setting of insulating layer can improve the heat-insulating property of furnace body, the in vivo temperature of stove is improved, Same biomass fuel is enable to generate more biogas.
Description of the drawings
Fig. 1 is the overall structure diagram of embodiment;
Fig. 2 is the structure diagram inside gasification furnace;
Fig. 3 is the structure diagram of gas washing cylinder.
Reference numeral:1st, gasification furnace;2nd, spiral slag-discharging device;3rd, bored charcoal room;4th, gas washing cylinder;5th, cyclopneumatic separator;6th, blow Device;7th, elevator;8th, conveyance conduit;9th, feed pipe;10th, cylinder gate;11st, lighting-up tuyere;12nd, furnace body;13rd, insulating layer; 14th, destructive distillation layer;15th, charring layer;16th, reduction zone;17th, fire grate;18th, gas outlet;19th, air supply duct;110th, interlayer;111st, it is warm Degree passes root device;112nd, discharge port;113rd, feed inlet;115th, vibrator;116th, backplate;41st, partition plate;42nd, water.
Specific embodiment
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of biogas generating means, elevator 7, gasification furnace 1, gas washing including being used as feed device Cylinder 4 and the cyclopneumatic separator 5 as 42 air separation of water.1 top of gasification furnace is provided with feed inlet 113, rectifies on elevator 7 To feed inlet 113, in order to be sent into biomass fuel into gasification furnace 1.1 upper end of gasification furnace passes through air duct and gas washing cylinder 4 Connection, 4 opposite side of gas washing cylinder are connected by pipeline with cyclopneumatic separator 5.1 lower section of gasification furnace is additionally provided with as slag-draining device Spiral slag-discharging device 2, the spiral slag-draining device other end are provided with bored charcoal room 3, and bored 3 upper and lower ends of charcoal room are both provided with openable and closable cabin Door.
Elevator 7 includes frame body, hopper, and hopper is in frame body, motor is provided on frame body, is passed between motor and hopper Dynamic connection, when motor work by hopper to pulling at the top of frame body, the hopper overturning when hopper moves to frame body top, by hopper Interior biomass fuel is poured into furnace body 12.Elevator 7 can be used as recorded in Patent No. 201220662233.4 Bucket elevator 7.
As shown in Fig. 2, 12 upper end of furnace body is provided with feed pipe 9,9 top of feed pipe is in funnel-form, and feed pipe 9 is from bottom to top The water 42 with together with of twice cylinder gate 10 is provided with to seal up a door.Cylinder gate 10 include cylinder and gate, gate be slidably arranged in into In expects pipe 9, cylinder is fixed on 9 outside of feed pipe, and when the piston rod of cylinder stretches out, flashboard is pushed into inside feed pipe 9, is cut Disconnected feed pipe 9 when cylinder is shunk by flashboard pull-out feed pipe 9, enables material that can move smoothly through feed pipe 9.Gasification furnace 1 Including furnace body 12,12 top of furnace body is provided with feed inlet 113, and feed inlet 113 is connected with feed pipe 9, and 12 bottom of furnace body is provided with Discharge port 112, discharge port 112 are connected with the auger conveyor as slag-draining device.12 middle and lower part of furnace body is provided with fire grate 17, stove 17 upside of row is divided into reduction zone 16, charring layer 15 and destructive distillation layer 14, and the thickness of charring layer 15 is about 16 thickness of reduction zone One times.12 integral cast of furnace body forms, and leads in furnace body 12 equipped with air supply duct 19 and is preset with the interlayer 110 of annular.Ajutage Road 19 extends into furnace body 12 from 12 lower part of furnace body, and the outlet of air supply duct 19 is arranged on 15 side of charring layer and to charring layer 15 It carries out with oxygen, in the middle and upper part of charring layer 15, air supply duct 19 passes through reduction zone 16 in furnace wall in the exit of air supply duct 19 Side.Air supply duct 19, which is so set, can make the air in air supply duct 19 obtain the heating of reduction zone 16, make to enter charcoal The gas for changing layer 15 has higher temperature, and the function of oxygen is matched somebody with somebody so as to fulfill hot wind.It can be to avoid gasification furnace 1 with oxygen using hot wind The reduction of burner hearth internal temperature is caused due to the interior air being sent into air supply duct 19, since the yield of biogas is by stove The influence of bore temperature, relatively low fire box temperature can reduce the conversion ratio of biogas, can ensure furnace body with oxygen by hot wind While oxygen demand inside 12 fire box temperature is made to be in higher state.16 side of reduction zone is provided with connection interlayer 110 gas outlet 18, gas outlet 18 are arranged on 16 middle and lower part of reduction zone close to fire grate 17, and 12 top of furnace body is provided with and reduction zone The gas pipeline of 16 connections.When gasification furnace 1 works normally, the air-supply arrangement 6 in the outside of gasification furnace 1 is by air supply duct 19 to charcoal Change layer 15 to blow, so that charring layer 15 is in stably and controllable imperfect combustion state, be in the biology of charring layer 15 Matter fuel is gradually carbonized in the process.When biomass imperfect combustion, the macromolecular in biomass fuel can be sent out Raw cracking, so as to generate a certain amount of combustible gas;A certain amount of carbon monoxide can be generated during biomass fuel imperfect combustion;It is raw Volatile matter in biomass fuel is further volatilized.Simultaneously after original reduction zone 16 drops from fire grate 17, charring layer The biomass fuel that 15 lower ends have carbonized enters reduction zone 16, ensures the Flow of Goods and Materials inside furnace body 12.In charring layer 15 Biomass fuel imperfect combustion when the heat that generates can be communicated up, to be in the biomass fuel above charring layer 15 into Row heating, so as to so that the water 42 contained in biomass fuel in 15 top destructive distillation layer 14 of charring layer divides evaporation to form water 42 Steam makes its aqueous 42 amount further decline and forms dry material, and imperfect combustion is carried out in order to which the later stage enters charring layer 15 And charing.Biomass fuel in destructive distillation layer 14 is while dry, wherein the part volatile matter being rich in can also volatilize, from And generate the substances such as gaseous tar.Due to 12 upper end closed of furnace body, and due to the effect of 12 inside heating power of furnace body, furnace body 12 The air pressure of upper end is higher, and the gas outlet 18 of 16 side of reduction zone is connected with interlayer 110, and interlayer 110 is further through gas pipeline It is in communication with the outside, so the part two that the fuel gas, gaseous state tar, 42 steam of water, flue dust and burning inside furnace body 12 generate Carbonoxide etc. can flow downward, so as to form downdraft burning.These gases can enter after reduction zone 16 is flowed down through In to the interlayer 110 of furnace body 12 and then flow up into again in gas pipeline.Since reduction zone 16 is imperfect combustion charcoal Biomass fuel after change, main component is for carbon and in red-hot combustion state, and the temperature of reduction zone 16 is compared with charring layer 15 temperature wants higher.When a series of chemistry can occur after reduction zone 16 for the gas that charring layer 15 and destructive distillation layer 14 generate Reaction, the fuel gas such as generation hydrogen, carbon monoxide, methane.Wherein when gaseous tar passes through reduction zone 16, in high temperature and It can be decomposed under the action of carbon monoxide, carbon with reproducibility, temperature after gas pipeline is entered so as to avoid tar Degree is reduced so as to liquefying, and is sticked in gas pipeline and is graded with ash and combines to form dirt and block gas pipeline.Flue dust simultaneously During by reduction zone 16, second gasification can occur under the action of high temperature.The ash content of flue dust including fuel, carbon granules, oil droplet and High-temperature split product etc., wherein carbon granules, oil droplet and high-temperature split product can be gasified, also when by reduction zone 16 by further Original shape is into combustible gas, and grey branch is reduced the charcoal absorption in layer 16, so as to ensure the cleaning of the biogas exported from gasification furnace 1 Degree reduces the particulate matter mixed in biogas.
12 bottom of furnace body is provided with discharge port 112, and discharge port 112 is connected with auger conveyor, the object in reduction zone 16 Material can be focused on after dropping from fire grate 17 on the discharge port 112 of 12 bottom of furnace body, and baffle, baffle are provided on discharge port 112 It being hinged on discharge port 112, baffle is opened during discharging, during normal work, flapper closure.When needs will be deposited in discharge port 112 On material discharge when, control baffle open, material is made to drop on auger conveyor, material is made to be sent along auger conveyor To the other end of auger conveyor.1 outside of gasification furnace is additionally provided with vibrator 115, and vibrator 115 can generate when working to shake It is dynamic, the material on reduction zone 16 is promoted to drop from fire grate 17, promotes the Flow of Goods and Materials inside furnace body 12.
The other end of auger conveyor is provided with bored charcoal room 3, and openable and closable sealing door, hatch door are provided on bored charcoal room 3 Quantity is two, and hatch door is respectively articulated with the both sides up and down for being arranged on bored charcoal room 3, when auger conveyor transports material to bored charcoal room During 3 one end, the hatch door of bored 3 upside of charcoal room is opened, enters material bored by the hatch door of bored 3 upside of charcoal room of the flat rotation of water 42 In charcoal room 3, upside hatch door is closed after material is entered in bored charcoal room 3, is made in bored charcoal room 3 in sealing state.Due to material For the carbon block of red-hot state, material can gradually extinguish to form activated carbon after the hatch door in bored charcoal room 3 is closed.When carbon block is put out completely The hatch door of 3 downside of the bored charcoal room of the flat rotation of water 42 is made into its opening after going out, the activated carbon in bored charcoal room 3 can be from bored 3 downside of charcoal room It drops out.The setting of bored charcoal room 3 can produce activated carbon while biogas is generated, compared with common biomass gasifying furnace 1 The way that directly clinker is discarded further improves economic benefit during device production, reduces the generation of the pollutants such as clinker more Add environmental protection.
As shown in figure 3, when the gas pipeline other end of 1 upper end of gasification furnace connection is connected with gas washing cylinder 4,4 memory of gas washing cylinder The water 42 cleaned to biogas is placed with, 4 middle part of gas washing cylinder is vertically arranged with partition plate 41, and 41 lower end of partition plate is stretched into Below 42 face of water, gas pipeline one end is connected with the top of 4 partition plate of gas washing cylinder, 41 one side, is passed through at the top of 4 opposite side of gas washing cylinder Pipeline is connected with the cyclopneumatic separator 5 as 42 air separation of water.When biogas enters gas washing cylinder 4 from conveyance conduit 8 Can be by the hydraulic pressure of the side to opposite side behind the upper end of one side, under the influence of air pressure, biogas can cross partition plate 41 from partition plate 41 The other end water 42 in across and into more than liquid level.Biogas realizes cleaning in the process.In addition gas washing cylinder 4 Setting can also play the role of preventing tempering, avoid flame along pipe backfire to 12 interlayer 110 of gas pipeline or furnace body It is interior.The setting of cyclopneumatic separator 5 can carry out dehydration 42 to the biogas after cleaning, and biogas is made to keep dry state. 5 lower end of cyclopneumatic separator is connected with 4 lower end of gas washing cylinder, so that the water 42 of abjection can be back in gas washing cylinder 4.
In addition, 12 outside of furnace body is additionally provided with insulating layer 13, the setting of insulating layer 13 can improve the heat preservation effect of furnace body 12 Fruit makes the heat in furnace body 12 be not easy to shed, and higher temperature can be kept inside such furnace body 12, is conducive to improve biomass Fuel is converted into biogas.The setting of insulating layer 13 can also play certain protective action simultaneously, keep away 12 outside temperature of face furnace body Spending height causes scald accident occurs during operating personnel's false touch.
Temperature sensor is additionally provided with inside furnace body 12,12 feed inlet of furnace body, 113 lower end is provided with the compound plate of taper, passes Sensor is arranged between compound plate and furnace body 12, and 12 outside of furnace body is provided with controller, and PLC can be used in actual production as control Device processed.Elevator 7, water 42 are sealed up a door, cylinder is controlled by the controller.Temperature sensor is arranged on 14 upside of destructive distillation layer, works as destructive distillation When material in layer 14 is reduced, the heat that charring layer 15 generates relatively easily is transferred to 14 upside of destructive distillation layer, makes destructive distillation layer 14 The temperature rise of upside, temperature sensor are arranged at this, the temperature at this can be detected while pass temperature signal Pass controller.Controller receives the signal that sensor passes come followed by setting value is compared, and when controller, judge should When the temperature at place is higher than setting value, controller control elevator 7 feeds into gasification furnace 1, during being fed Controller controls the closure door of water 42 to open successively, the closure door of water 42 is closed, first of cylinder gate 10 is opened, first of cylinder gate 10 Closing, second cylinder gate 10 is opened, second cylinder gate 10 is closed, so as to fulfill for the charging inside furnace chamber.
When the device is just started to work, a certain amount of biomass fuel is first packed into gasification furnace 1, then from furnace body 12 The lighting-up tuyere 11 of downside is lighted a fire, and the biomass fuel of 17 upside of fire grate is lighted, the biomass fuel in reduction zone 16 Lighting-up tuyere 11 is closed after carbonizing and burning, is then blown by air supply duct 19 to charring layer 15, at this time in charring layer 15 Biomass fuel can be rubescent under the action of air and carry out imperfect combustion, gasification furnace 1 starts to work normally since then, by life Biomass fuel is converted into biogas.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore:It is all according to The equivalence changes that structure, shape, the principle of the present invention is done, should all be covered by within protection scope of the present invention.

Claims (10)

1. a kind of biogas generating means, including feed device, gasification furnace, slag-draining device, it is characterized in that:The gasification furnace bag Furnace body is included, bottom of furnace body is provided with slag-drip opening, is provided with slag-draining device on slag-drip opening, and furnace body lower end is provided with fire grate, on fire grate End is divided into reduction zone, charring layer, destructive distillation layer from bottom to top, and feed inlet is provided at the top of furnace body, and feed inlet coordinates with feed device Biomass fuel is sent into furnace body, is provided with air supply duct and gas outlet in furnace body, air supply duct end and gas outlet with Furnace body inner cavity connects, and the junction of air supply duct and furnace chamber is arranged on charring layer side, the junction setting of gas outlet and furnace chamber In reduction zone side.
2. a kind of biogas generating means according to claim 1, it is characterized in that:The slag-draining device other end goes out Bored charcoal room is provided at mouthful, openable and closable sealing door is provided on bored charcoal room.
3. a kind of biogas generating means according to claim 1, it is characterized in that:The air supply duct is from furnace body lower end Penetrate furnace body and by reduction zone side.
4. a kind of biogas generating means according to claim 3, it is characterized in that:The furnace body is cast, furnace body Internal preset has the interlayer of annular, and gas outlet sets around interlayer and connected with furnace chamber.
5. a kind of biogas generating means according to claim 4, it is characterized in that:The furnace body upper end is provided with gas transmission Pipeline, gas pipeline are connected with interlayer, and the gas pipeline other end is connected with gas washing cylinder, and the liquid for gas washing is contained in gas washing cylinder Body, gas washing cylinder middle part are provided with partition plate, and liquid level is submerged in partition plate lower end, and gas pipeline end connects with one side roof part of gas washing cylinder partition plate It connects, biogas outlet is provided at the top of the gas washing cylinder partition plate other end.
6. a kind of biogas generating means according to claim 5, it is characterized in that:The biogas outlet is connected with Moisture separator.
7. a kind of biogas generating means according to claim 1, it is characterized in that:The top of gasification furnace is from bottom to top It is provided with twice cylinder gate water seal door with together with.
8. a kind of biogas generating means according to claim 1, it is characterized in that:The furnace interior upper end is provided with Temperature inductor, temperature inductor are connected with controller, when the temperature that temperature inductor detects is more than setting value, controller Control feed device feeding into furnace body.
9. a kind of biogas generating means according to claim 1, it is characterized in that:It is fixed on the gasification furnace outer wall Vibrator.
10. a kind of biogas generating means according to claim 1, it is characterized in that:Guarantor is provided on the outside of the furnace body Warm layer.
CN201810082582.0A 2018-01-19 2018-01-19 A kind of biogas generating means Pending CN108048136A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111690421A (en) * 2019-03-15 2020-09-22 招远市汇潮新能源科技有限公司 Material heat treatment method and system
CN112460582A (en) * 2020-11-03 2021-03-09 广东奥鑫新能源科技有限公司 Biomass gasification stove co-combustion system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202322753U (en) * 2011-11-20 2012-07-11 张忠成 Downdraft biomass fuel gasifier
CN103666567A (en) * 2012-09-20 2014-03-26 赵广健 Boiling type biomass gasification system
CN104087342A (en) * 2014-07-31 2014-10-08 邱云原 Biomass gasification furnace capable of decoking by utilizing furnace body sandwich structure
CN205061992U (en) * 2015-09-25 2016-03-02 湖北楚天生物质能源科技开发有限公司 Oxidation biomass gasification device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202322753U (en) * 2011-11-20 2012-07-11 张忠成 Downdraft biomass fuel gasifier
CN103666567A (en) * 2012-09-20 2014-03-26 赵广健 Boiling type biomass gasification system
CN104087342A (en) * 2014-07-31 2014-10-08 邱云原 Biomass gasification furnace capable of decoking by utilizing furnace body sandwich structure
CN205061992U (en) * 2015-09-25 2016-03-02 湖北楚天生物质能源科技开发有限公司 Oxidation biomass gasification device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111690421A (en) * 2019-03-15 2020-09-22 招远市汇潮新能源科技有限公司 Material heat treatment method and system
WO2020186621A1 (en) * 2019-03-15 2020-09-24 招远市汇潮新能源科技有限公司 Heat treatment method and system for materials
CN112460582A (en) * 2020-11-03 2021-03-09 广东奥鑫新能源科技有限公司 Biomass gasification stove co-combustion system

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Application publication date: 20180518