CN112126467A - Dry slag-discharging continuous feeding biomass gasification furnace - Google Patents

Dry slag-discharging continuous feeding biomass gasification furnace Download PDF

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Publication number
CN112126467A
CN112126467A CN202011085065.2A CN202011085065A CN112126467A CN 112126467 A CN112126467 A CN 112126467A CN 202011085065 A CN202011085065 A CN 202011085065A CN 112126467 A CN112126467 A CN 112126467A
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CN
China
Prior art keywords
slag
air distribution
water seal
furnace body
blanking pipe
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Pending
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CN202011085065.2A
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Chinese (zh)
Inventor
刘军
刘恒明
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Shandong Xinke Environmental Science Research Institute Co ltd
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Shandong Xinke Environmental Science Research Institute Co ltd
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Publication of CN112126467A publication Critical patent/CN112126467A/en
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/09—Mechanical details of gasifiers not otherwise provided for, e.g. sealing means
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/15—Details of feeding means
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a dry slag-discharging continuous feeding biomass gasification furnace, which mainly relates to the technical field of energy science; the slag-discharging furnace comprises a furnace body, wherein an air distribution disc is arranged in the furnace body, a slag storage chamber is arranged on the outer side of the bottom of the air distribution disc and fixedly connected with the furnace body, a plurality of slag discharging pipes are arranged at the bottom of the slag storage chamber, an upper plug board for sealing the slag discharging pipes is arranged at the upper parts of the slag discharging pipes, a lower plug board for sealing the slag discharging pipes is arranged at the lower parts of the slag discharging pipes, a blanking pipe is arranged at the top of the furnace body, a conical distributor is arranged on the lower side of the blanking pipe, a spiral sealing feeder is arranged at the top of the blanking pipe, and a buffer bin is arranged at the top of one end, away from the blanking pipe, of; the invention can realize continuous sealing feeding in the gasification process, can prevent the material layer in the furnace body from being fluffy, can effectively prevent partial burning and burnthrough, improves the gasification strength, can reduce water consumption, enlarges the utilization range of ash slag, and can prevent the air distribution plate from being overheated and burned.

Description

Dry slag-discharging continuous feeding biomass gasification furnace
Technical Field
The invention relates to the technical field of energy science, in particular to a dry-slagging continuous-feeding biomass gasification furnace.
Background
At present, the carriers selected by the mainstream biomass gasification technology in China are a circulating fluidized bed gasifier and an updraft type fixed bed gasifier, and because the unit density of biomass materials is low and the fluidity is poor, the materials in a biomass gasification device are fluffy, so that the existing biomass gasifier still has a series of problems when in use:
1) the existing circulating fluidized bed gasification furnace generally has the problems of low gasification intensity and low utilization rate of biomass gasification equipment, so that the operation difficulty and the maintenance cost are high, and in addition, the ash content in the produced gas of the circulating fluidized bed gasification furnace is large, so that the part is seriously abraded, and the large-scale popularization and use are not facilitated;
2) the feeding system of the existing updraft type fixed bed gasification furnace is poor in tightness, air leakage is large in the feeding and air supply processes, continuous feeding is difficult to achieve, the updraft type fixed bed gasification furnace is influenced by the structure of the updraft type fixed bed gasification furnace, blanking is not uniform when materials enter the furnace body, the phenomena of shed materials and slag bonding occur in the biomass gasification process, the gasification furnace is burnt and partially burnt when the materials cannot react uniformly in the furnace, the gasification process cannot be continuously and stably carried out, the heat load requirements of users are difficult to meet, and the updraft type fixed bed gasification furnace is not favorable for popularization and application of the biomass gasification technology.
3) The existing updraft type fixed bed gasification furnace adopts an integrated structure design of a slag discharging driving mechanism and an air distribution disc driving mechanism, and the slag discharging speed and the air distribution disc rotating speed cannot be independently and flexibly controlled, so that the contact between a gasification agent and a material is uneven, the local reaction is insufficient, the bridging and burning of the material in the device are easy to cause, the gasification strength is reduced, and the quality of the generated combustible gas is reduced;
4) the existing updraught fixed bed gasification furnace is influenced by the structure, materials at the periphery are not easy to react completely, so that the biomass gasification rate is reduced, and the energy consumption is increased;
5) most of the existing updraft fixed bed gasification furnaces adopt water seal sealing wet deslagging, the water consumption is high, and the ash slag is difficult to realize high-value utilization.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a dry-slagging continuous-feeding biomass gasification furnace which can realize continuous sealing feeding in a gasification process, can prevent a material layer in the furnace body from being fluffy, can effectively prevent partial burning and burnthrough, improves gasification strength, can reduce water consumption, expands the utilization range of ash residues, and can prevent an air distribution plate from being burnt by overheating.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a dry slag-discharging continuous feeding biomass gasification furnace comprises a furnace body, wherein an air distribution disc and an air disc driving device for driving the air distribution disc to rotate are arranged in the furnace body, a slag storage chamber is arranged on the outer side of the bottom of the air distribution disc and is fixedly connected with the furnace body, a plurality of slag discharging pipes are arranged at the bottom of the slag storage chamber, an upper plug board for sealing the slag discharging pipes is arranged at the upper parts of the slag discharging pipes, a lower plug board for sealing the slag discharging pipes is arranged at the lower parts of the slag discharging pipes, the upper plug board and the lower plug board are both in sliding connection with the slag discharging pipes, a blanking pipe is arranged at the top of the furnace body, a conical distributing device is arranged at the lower side of the blanking pipe, the conical distributing device is positioned in the furnace body and is provided with a height adjusting device for adjusting the height of the conical distributing device, a spiral sealing feeder is arranged at the top of the blanking pipe, a buffering bin is arranged at the top, the material conveying device is characterized in that a feeding cylinder with a closed bottom end is obliquely arranged on one side of the buffer bin, a hopper is arranged at the bottom end of the feeding cylinder, the top end of the feeding cylinder is communicated with the buffer bin, and a material conveying machine used for conveying materials from the hopper to the buffer bin is arranged in the feeding cylinder.
Preferably, a double-helix feeder is arranged at the bottom in the hopper.
Preferably, be equipped with the buffering feed cylinder between buffering feed bin and the sealed feeder of spiral, the upper portion of buffering feed cylinder is equipped with the star feeder, the downside of star feeder is equipped with the first picture peg that is used for sealing the buffering feed cylinder, first picture peg and buffering feed cylinder sliding connection.
Preferably, the blanking pipe is provided with a second inserting plate for closing the blanking pipe.
Preferably, the conical distributing device comprises a conical block arranged right below the blanking pipe, the maximum diameter of the conical block is larger than the inner diameter of the blanking pipe, a counterweight disc is arranged at the bottom of the conical block, and a plurality of distributing holes are formed in the counterweight disc.
Preferably, the furnace body comprises a cylinder body, a cylinder support fixed at the bottom of the cylinder body, and an air disc support for supporting an air disc, the air disc is rotatably connected with the air disc support, and the slag storage chamber is located in the cylinder support and fixedly connected with the cylinder body.
Preferably, the middle part of air distribution plate bottom is equipped with first water seal cover, be equipped with the air inlet section of thick bamboo in the first water seal cover, be equipped with the first annular water seal box that suits with first water seal cover on the outer wall of air inlet section of thick bamboo, the sediment chamber inboard is equipped with second annular water seal box, second annular water seal box and sediment chamber fixed connection, air distribution plate bottom is equipped with the second water seal cover that suits with second annular water seal box.
Preferably, the bottoms of the first annular water seal tank and the second annular water seal tank are both provided with slag discharge ports.
Preferably, the edge of the bottom of the air distribution plate is provided with a slag scraping plate.
Preferably, a plurality of secondary tuyeres are circumferentially arranged in the middle of the furnace body.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the air distribution plate and the slag storage chamber are separately designed, the air distribution plate is driven by the air distribution plate driving device to realize continuous rotation, and the rotation speed is adjusted according to the requirement, so that the air distribution is uniform, the slag bonding is effectively prevented, partial burning deflection and burning through can be effectively prevented, the disturbance of biomass in the furnace is enhanced, the reaction speed with air is accelerated, the gasification strength is improved, the air distribution plate can realize positive and negative rotation, and the slag breaking effect is good; the slag storage chamber adopts steam seal dry slag discharge, the slag discharge speed is adjustable and controllable, the thickness of an ash layer is convenient to control, the biomass reacts fully in the furnace, the air distribution plate is effectively protected, the overheating burning loss is prevented, the upper inserting plate and the lower inserting plate are kept in a closed state during use, the upper inserting plate is opened firstly during slag discharge, slag falls on the lower inserting plate, then the upper inserting plate is closed, the lower inserting plate is opened, and the slag discharge can be carried out on the premise of ensuring sealing; the feeding cylinder, the buffer bin and the spiral sealing feeder are all in a sealing design, so that continuous sealing feeding in the gasification process is realized; after the material gets into the stove, drive toper distributing device through high adjusting device and reciprocate, can realize automatic cloth, prevent that the bed of material is fluffy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a conical distributor;
FIG. 3 is a schematic view of the bottom structure of the furnace body.
The reference numbers in the drawings: 1. a furnace body; 2. an air distribution plate; 3. a wind disk drive; 4. a slag storage chamber; 5. a slag discharge pipe; 6. an upper plug board; 7. a lower plug board; 8. a blanking pipe; 9. a conical distributor; 10. a height adjustment device; 11. a screw seal feeder; 12. a buffer bin; 13. a feeding cylinder; 14. a hopper; 15. a material delivery machine; 16. a double screw feeder; 17. a buffer barrel; 18. a star-shaped feeder; 19. a first board insert; 20. a second board plug; 21. a conical block; 22. a weight plate; 23. a material distribution hole; 24. a barrel; 25. a cartridge holder; 26. a wind plate support; 27. a first water jacket; 28. an air inlet cylinder; 29. a first annular water-sealed tank; 30. a second annular water-sealed tank; 31. a second water jacket; 32. a slag discharge port; 33. a slag scraping plate; 34. a secondary tuyere; 35. a manhole.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): as shown in the attached drawings 1-3, the invention relates to a dry-slagging continuous-feeding biomass gasification furnace, which comprises a furnace body 1, wherein the furnace body 1 can be designed into a water jacket form, an air distribution plate 2 and an air plate driving device 3 for driving the air distribution plate 2 to rotate are arranged in the furnace body 1, a slag storage chamber 4 is arranged on the outer side of the bottom of the air distribution plate 2, the slag storage chamber 4 is an annular chamber with an open top, the slag storage chamber 4 is fixedly connected with the furnace body 1, preferably, the furnace body 1 comprises a cylinder 24, a cylinder bracket 25 fixed at the bottom of the cylinder 24 and an air plate bracket 26 for supporting the air distribution plate 2, the air distribution plate 2 is horizontally arranged at the top of the air plate bracket 26, a turntable bearing is arranged between the air distribution plate 2 and the air plate bracket 26, the air distribution plate 2 is rotatably connected with the air plate bracket 26 through the turntable bearing, the rotational stability of the air distribution plate 2 is ensured, the slag storage chamber 4 is arranged in the cylinder bracket 25, and the top of the outer side of the slag storage chamber 4 is fixedly connected with the outer wall of the cylinder 24. Further, the cylinder 24 is formed by combining an upper cylinder unit and a lower cylinder unit, so that the manufacturing cost can be reduced, and the transportation is facilitated. Preferably, the edge of the bottom of the air distribution plate 2 is provided with a slag scraping plate 33, so that ash at the top opening of the slag storage chamber 4 can be effectively removed in time, and slag is prevented from being formed at the top opening of the slag storage chamber 4. Preferably, in order to guarantee the leakproofness of air inlet structure of the air distribution plate, a first water seal sleeve 27 is welded in the middle of the bottom of the air distribution plate 2, an air inlet cylinder 28 is arranged in the first water seal sleeve 27, a gap is reserved between the inner wall of the first water seal sleeve 27 and the outer wall of the air inlet cylinder 28, a first annular water seal box 29 which is matched with the first water seal sleeve 27 is welded on the outer wall of the air inlet cylinder 28, the first water seal sleeve 27 is inserted into the first annular water seal box 29, the bottom end of the first water seal sleeve 27 is submerged in water in the first annular water seal box 29, and the leakproofness of the air inlet structure of the air distribution plate is guaranteed through water sealing. Further, in order to prevent the air leakage of the contact position between the slag storage chamber and the air distribution plate, the inner side of the slag storage chamber 4 is provided with a second annular water seal box 30, the bottom of the second annular water seal box 30 is provided with a support frame, the top end of the inner side of the slag storage chamber 4 is welded on the outer wall of the second annular water seal box 30, the bottom of the air distribution plate 2 is provided with a second water seal sleeve 31 adapted to the second annular water seal box 30, the second water seal sleeve 31 is inserted into the second annular water seal box 30, the water of the second annular water seal box 30 does not cover the bottom end of the second water seal sleeve 31, the water seal is utilized to ensure the sealing performance between the slag storage chamber and the air distribution plate, and the air leakage is prevented. Preferably, in order to avoid accumulation of ash in the first annular water seal box and the second annular water seal box, the bottoms of the first annular water seal box 29 and the second annular water seal box 30 are both provided with a slag discharge port 32, a plug in threaded connection with the slag discharge port 32 is arranged in the slag discharge port 32, and the ash precipitated in the first annular water seal box 29 and the second annular water seal box 30 can be discharged by opening the plug. The vertical welding in bottom of storing up slag chamber 4 has the scum pipe 5 of a plurality of and storing up slag chamber 4 intercommunication the upper portion of scum pipe 5 is equipped with the last picture peg 6 that is used for sealing scum pipe 5, the last jack that suits with last picture peg 6, scum pipe 5 lower part is equipped with the lower picture peg 7 that is used for sealing scum pipe 5, the lower jack that suits with lower picture peg 7, go up picture peg 6, lower picture peg 7 all with scum pipe 5 sliding connection, during the use, go up picture peg 6, lower picture peg 7 and keep the closed condition, during the row's sediment, open picture peg 6 earlier at first, the slag falls on lower picture peg 7, then closes picture peg 6, opens lower picture peg 7, can guarantee under sealed prerequisite, arrange the sediment, realizes the steam seal dry row sediment. Furthermore, a plurality of secondary air ports 34 are circumferentially arranged in the middle of the furnace body 1, so that the circumferential edge reaction of the furnace body 1 can be increased, and the overall gasification strength and the gasification rate are improved. The vertical welding in top of furnace body 1 has blanking pipe 8, and is preferred, be equipped with the second picture peg 20 that is used for sealing blanking pipe 8 on blanking pipe 8, with the jack that second picture peg 20 suits, utilize second picture peg 20 can seal blanking pipe 8, can avoid biomass material furnace body 1 gas leakage when the reaction in furnace body 1. The downside of blanking pipe 8 is equipped with conical distributing device 9, utilizes conical distributing device 9 can realize automatic cloth. Preferably, the conical distributor 9 is including setting up the toper piece 21 under the blanking pipe 8, the maximum diameter of toper piece 21 is greater than the internal diameter of blanking pipe 8, the bottom welding of toper piece 21 has the weight plate 22, be equipped with a plurality of cloth hole 23 on the weight plate 22, a plurality of cloth hole 23 uses the center of weight plate 22 to arrange as central annular array, and the material falls into furnace body 1 through cloth hole 23 in, realizes automatic even cloth, and when moving up the conical distributor 9, during the toper piece 21 inserted the blanking pipe 8, can seal the bottom of blanking pipe 8, can guarantee the leakproofness of furnace body 1. The conical distributing device 9 is positioned in the furnace body 1, the height adjusting device 10 used for adjusting the height of the conical distributing device 9 is arranged on the furnace body 1, and after materials enter the furnace body 1, the height adjusting device 10 drives the conical distributing device 9 to move downwards, so that a material layer can be compacted, and the material layer is prevented from being fluffy. The horizontal welding in top of blanking pipe 8 has spiral seal feeder 11, and blanking pipe 8 and spiral seal feeder 11's export intercommunication, the top welding of the one end that spiral seal feeder 11 kept away from blanking pipe 8 has buffer bin 12, and buffer bin 12 and spiral seal feeder 11's import intercommunication, spiral seal feeder 11 can extrude the material when carrying the material, can reduce the air in the material and carry. Further, be equipped with buffering feed cylinder 17 between buffer bin 12 and the spiral seal feeder 11, the upper portion of buffering feed cylinder 17 is equipped with star feeder 18, star feeder 18's downside is equipped with the first picture peg 19 that is used for sealing buffering feed cylinder 17, with the jack that first picture peg 19 adapted, first picture peg 19 and buffering feed cylinder 17 sliding connection utilize first picture peg 19 can seal buffering feed cylinder 17, can guarantee that biomass raw materials is reacted in furnace body 1, the leakproofness of furnace body 1, star feeder 18 can prevent that the material from piling up in the bottom of buffering feed bin 12, and star feeder 18 can extrude the material when stirring the material, reduces the carrying of air in the material. The lopsidedness of buffer bin 12 is equipped with bottom confined feed cylinder 13, the bottom of feed cylinder 13 is equipped with hopper 14, the top and the buffer bin 12 intercommunication of feed cylinder 13, be equipped with in the feed cylinder 13 and be used for carrying the material to the defeated material machine 15 of buffer bin 12 from hopper 14, it is further, double helix feeder 16 is installed to the bottom in the hopper 14, utilizes double helix feeder 16 to extrude biomass raw materials, can reduce the air and carry, and can prevent the putty.
According to the invention, the air distribution plate 2 and the slag storage chamber 4 are separately designed, the air distribution plate 2 is driven by the air distribution plate driving device 3 to realize continuous rotation, and the rotation speed is adjusted according to the requirement, so that the air distribution is uniform, the slag bonding is effectively prevented, partial burning deflection and burning through can be effectively prevented, the disturbance of biomass in the furnace is enhanced, the reaction speed with air is accelerated, the gasification strength is improved, the air distribution plate 2 can realize positive and negative rotation, and the slag breaking effect is good; the slag storage chamber 4 adopts steam seal dry slag discharge, the slag discharge speed is adjustable and controllable, the thickness of an ash layer is convenient to control, the biomass reacts fully in the furnace, and the air distribution plate is effectively protected to prevent overheating and burning loss; the feeding cylinder 13, the buffer bin 12 and the spiral sealing feeder 11 are all in a sealing design, and continuous sealing feeding in the gasification process is realized.

Claims (10)

1. The utility model provides a arrange sediment continuous feed biomass gasification stove futilely, includes furnace body (1), be equipped with air distribution plate (2), drive air distribution plate (2) rotatory wind dish drive arrangement (3) in furnace body (1), its characterized in that: the slag storage chamber (4) is arranged on the outer side of the bottom of the air distribution plate (2), the slag storage chamber (4) is fixedly connected with the furnace body (1), a plurality of slag discharge pipes (5) are arranged at the bottom of the slag storage chamber (4), an upper inserting plate (6) used for sealing the slag discharge pipes (5) is arranged on the upper portion of each slag discharge pipe (5), a lower inserting plate (7) used for sealing the slag discharge pipes (5) is arranged on the lower portion of each slag discharge pipe (5), the upper inserting plate (6) and the lower inserting plate (7) are both in sliding connection with the slag discharge pipes (5), a blanking pipe (8) is arranged at the top of the furnace body (1), a conical distributor (9) is arranged on the lower side of the blanking pipe (8), the conical distributor (9) is positioned in the furnace body (1) and is provided with a height adjusting device (10) used for adjusting the height of the conical distributor (9), and a spiral sealing feeder (11) is arranged at the top of the blanking pipe (8), the top of the one end of blanking pipe (8) is kept away from in spiral seal feeder (11) is equipped with buffer bin (12), the lopsidedness of buffer bin (12) is equipped with a bottom confined feeding section of thick bamboo (13), the bottom of a feeding section of thick bamboo (13) is equipped with hopper (14), the top and buffer bin (12) intercommunication of a feeding section of thick bamboo (13), be equipped with in a feeding section of thick bamboo (13) and be used for carrying the material to defeated material machine (15) of buffer bin (12) from hopper (14).
2. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 1, characterized in that: the bottom in the hopper (14) is provided with a double-helix feeder (16).
3. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 1, characterized in that: be equipped with between buffer bin (12) and the sealed feeder of spiral (11) buffering feed cylinder (17), the upper portion of buffering feed cylinder (17) is equipped with star feeder (18), the downside of star feeder (18) is equipped with first picture peg (19) that are used for sealing buffering feed cylinder (17), first picture peg (19) and buffering feed cylinder (17) sliding connection.
4. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 1, characterized in that: and a second inserting plate (20) for sealing the blanking pipe (8) is arranged on the blanking pipe (8).
5. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 1, characterized in that: toper distributing device (9) are including setting up toper piece (21) under blanking pipe (8), the maximum diameter of toper piece (21) is greater than the internal diameter of blanking pipe (8), the bottom of toper piece (21) is equipped with counterweight plate (22), be equipped with a plurality of cloth hole (23) on counterweight plate (22).
6. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 1, characterized in that: the furnace body (1) comprises a cylinder body (24), a cylinder body support (25) fixed at the bottom of the cylinder body (24) and an air distribution plate support (26) for supporting the air distribution plate (2), the air distribution plate (2) is rotatably connected with the air distribution plate support (26), and the slag storage chamber (4) is located in the cylinder body support (25) and is fixedly connected with the cylinder body (24).
7. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 1, characterized in that: the middle part of air distribution plate (2) bottom is equipped with first water seal cover (27), be equipped with an air inlet section of thick bamboo (28) in first water seal cover (27), be equipped with on the outer wall of an air inlet section of thick bamboo (28) first annular water seal box (29) that suits with first water seal cover (27), storage slag chamber (4) inboard is equipped with second annular water seal box (30), second annular water seal box (30) and storage slag chamber (4) fixed connection, air distribution plate (2) bottom is equipped with second water seal cover (31) that suits with second annular water seal box (30).
8. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 7, characterized in that: the bottoms of the first annular water seal tank (29) and the second annular water seal tank (30) are provided with slag discharge ports (32).
9. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 1, characterized in that: and a slag scraping plate (33) is arranged at the edge of the bottom of the air distribution plate (2).
10. The dry slag-discharging continuous-feeding biomass gasification furnace according to claim 1, characterized in that: and a plurality of secondary air ports (34) are circumferentially arranged in the middle of the furnace body (1).
CN202011085065.2A 2020-08-12 2020-10-12 Dry slag-discharging continuous feeding biomass gasification furnace Pending CN112126467A (en)

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CN2020108082471 2020-08-12

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN112856430A (en) * 2021-01-18 2021-05-28 江苏信科能源有限公司 Improved generation differential revolving bed living beings pyrolysis gasification burns burning furnace
CN112899028A (en) * 2021-01-18 2021-06-04 江苏信科能源有限公司 Improved biomass gasification furnace with dry slag discharge and continuous feeding functions

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CN206955956U (en) * 2017-06-29 2018-02-02 山东能源重装集团恒图科技有限公司 A kind of top-suction type biomass gasification furnace

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