CN105907425A - Biomass downdraft type gasification air and heat supply system - Google Patents
Biomass downdraft type gasification air and heat supply system Download PDFInfo
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- CN105907425A CN105907425A CN201610401626.2A CN201610401626A CN105907425A CN 105907425 A CN105907425 A CN 105907425A CN 201610401626 A CN201610401626 A CN 201610401626A CN 105907425 A CN105907425 A CN 105907425A
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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
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
- C10J3/30—Fuel charging devices
-
- 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
- C10J3/34—Grates; Mechanical ash-removing devices
-
- 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
- C10J3/723—Controlling or regulating the gasification process
-
- 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
- C10J3/725—Redox processes
-
- 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
- C10J3/74—Construction of shells or jackets
- C10J3/76—Water jackets; Steam boiler-jackets
-
- 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
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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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
- 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
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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
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
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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
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
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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
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention discloses a biomass downdraft type gasification air and heat supply system which comprises a gasification system, a heat supply system and a control system. The gasification system comprises a feeding system, a gasification reduction system, an ash discharge deslagging system and a dust removal cooling system. The heat supply system comprises a waste heat recycling hot water system and a cooling system. The feeding system, the gasification reduction system and the ash discharge deslagging system are sequentially connected from top to bottom. The dust removal cooling system is connected with the ash discharge deslagging system. The hot water system is arranged on the periphery of the gasification system and the dust removal cooling system. The cooling system is connected with the hot water system. The biomass downdraft type gasification air and heat supply system has the advantages that the complete gasification and heat supply system is formed, scientific planning is performed, and the clean and environment-friendly automatic air and heat supply system is formed. The sub devices are scientific and compact in structure, the automatic level is high, use is convenient, gas is produced efficiently, the outlet gas is clean and low in temperature, and energy conservation and environmental protection are achieved; the positive pushing effect is achieved for extended application of renewable biomass energy.
Description
Technical field
The present invention relates to a kind of kitchen range, fire particularly to a kind of gasification with the biomass material such as fuel wood and stalk as fuel
Burn cooking stove.
Background technology
China is large agricultural country, has the biomass energies such as sufficient fuel wood and stalk, in the exploitation of biomass energy
In, conventional mode is direct combustion or gasifying electricity generation, but, need when direct combustion uses often to add fuel wood to cooking stove, use not side
Just, gasifying electricity generation is limited to cost, and economic benefit is the best, and cannot large-scale promotion application.Tradition cooking stove is to fuel wood and stalk
Utilizing with a long history, tradition cooking stove is because using inconvenience, and utilization rate of heat value is low, and general only 15% to 20%, big to air pollution.?
Vast rural area is the most gradually abandoned, and the exploitation amount causing biomass energy is fewer and feweri, it is impossible to the most renewable in rural area
Fuel wood and stalk effectively utilize.
To this end, the living beings such as fuel wood and stalk carry out being gasificated into small-sized ash discharge dedusting system device and the use of combustible gas
The biomass gasification and gas-supply of this device arises at the historic moment with heating system, and people have invented the updraft type combustion gas of generation upwards inhaled
Cooking range capable of gasifying, but, there are some defects in the cooking range capable of gasifying of updraft type: (1) tar content is high, causes the cooking range capable of gasifying life-span short,
Just it is to increase filter, the problem that there will be again Maintenance Difficulty；(2) aerogenesis is unstable, and the gasification of living beings is difficult to control to, shadow significantly
Ring the popularization of cooking range capable of gasifying；(3) aerogenesis calorific value is on the low side, and gasification of biomass the most fully causes aerogenesis calorific value not reach daily making
With requiring.
To this end, inventor has invented filing date 2011.11.11, Patent No. CN201120444716.2, entitled
The gasification, and combustion cooking stove of " a kind of Household biomass fuel-efficient stove ".It includes Bunker, is provided with below Bunker with Bunker even
Logical gasification furnace core, the ash-falling chamber connected under gasification furnace core and with gasification furnace core, and be provided with in ash-falling chamber side and pass through conduit
The vigorous fire kitchen range of connection, wherein Bunker include the warehouse of upper and lower opening, feed bin lid on warehouse upper opening, at warehouse four
The air inlet pipe in week and smoke exhaust pipe, it is characterised in that aditus laryngis that described gasification furnace core includes connecting with Bunker lower opening,
The cincture build-up of air nozzle being provided with at the minimum position of aditus laryngis, and the gasification reactor chamber in the middle part of gasification furnace core；Described cincture
Build-up of air nozzle is arranged on aditus laryngis for tilting 45 degree, described cincture build-up of air nozzle side is additionally provided with to around poly-
The blower fan of collection air nozzle air inlet, is provided with the water tank of the waste heat utilizing gasification furnace core gasification reaction in gasification furnace core periphery, and
Being provided with spiral heat exchanger fin between water tank and gasification furnace core, described ash-falling chamber includes ash-pan；Set in described warehouse lower opening
Have and control fuel whereabouts and pieced together the combustion making fuel and gasification reactor chamber intercept the temperature reducing Bunker by two sectors
Feed bin door.But in the follow-up development of inventor, it has been found that there is many defects: single blower fan makes cooking stove general power be difficult to reach
To the requirement of life routine use；There are some defects in the structure design of gasification furnace core, causes gasification furnace core poor thermal insulation property, heat resistanceheat resistant
Swollen shrinkage poor performance, not exclusively, gasification furnace core internal temperature is not high enough, and tar can not fully occur cracking reaction, tar in gasification
Fail the defects such as whole removings, cause the biomass fuel aerogenesis such as fuel wood and stalk to stablize undesirable；Often have different during use
Thing, such as stone, iron nail, also the coking block of ashes, the aperture of fire grate does not passes through at all, and the time one is long, and gasification furnace is with regard to aerogenesis
Instability, lost efficacy the most completely；Actually used inconvenience, hinders its popularization and application.
To this end, technical scheme is improved by inventor, Application No. 201510072597.5, entitled " a kind of life
Gasification substance cooking stove " application for a patent for invention.Its main technical schemes is: Bunker top is respectively smoke evacuation room and material outlet increases
Pressure chamber；Feed bin lid it is provided with in the middle of material outlet pumping chamber；Be provided with exhaust gases passes between water tank and combustion chamber, gasification furnace core respectively with fuel
Storehouse connects with ash-falling chamber, is provided with band and trembles the infundibulate fire grate of apparatus for ash and mobile gate between gasification furnace core and ash-falling chamber；Gasification
Being provided with heat-insulation layer between the inside and outside wall of combustion chamber, the inwall of the gasification reactor chamber in gasification furnace core is the telescoping tube of retractable,
Above gasification reactor chamber, sidewall is provided with air nozzle, is provided with igniter in heat-insulation layer.Its advantage is: compact conformation, gasified reverse
Answering temperature to be up to 1200 degree, the liter startup temperature time is short, and igniting is convenient, and aerogenesis is efficient；Heating water tank can produce hot water, also will be mixed in
Tar in biological fuel gas is removed, and energy-conserving and environment-protective improve the service life of relevant utensil；Remove ashes or the coking of accumulation
Block is convenient and swift.But during subsequent use, it was found that when as industrial use, there is also some defects: (1) is entered
Material is not carried out automation, takies the most when industrial aspect, and labour cost is high；(2) combustion chamber ash discharge divides and can not realize
Automation, it is difficult to and industrial automation linking；(3) ash content, dust content height, inadequate clean environment firendly in gasification gas, be not suitable for work
Large-scale use in industry；(4) gasification reaction UTILIZATION OF VESIDUAL HEAT IN is abundant not, and the heat of high temperature in gasification gas does not make full use of.
Summary of the invention
For solving existing ash discharge dedusting system device and using the biomass gasification and gas-supply of this device to exist with heating system
Drawbacks described above, the present invention provides a kind of scientific structure, safety, aerogenesis is clean, operation and maintenance is convenient, automaticity is high, confession
Gas supplies and heating system for the living beings downdraft gasification that the energy conversion efficiency of hotsync, living beings is high.
For achieving the above object, the system scheme that the present invention takes is:
A kind of living beings downdraft gasification supply and heating system, including the gasification system that biomass fuel changes into combustible gas
System, the waste heat recovery during gasification system is produced the heating system of outward supplying heat, and coordinate gasification system and heat supply
The control system of system work；It is characterized in that:
Described gasification system includes that going back original system from trend gasification adds the feed system of biomass fuel, turns biomass fuel
Go back original system for changing the gasification of combustible gas, gasification is gone back the ash discharge slag-tapping system of the solid constituent discharge that original system produces, by gas
Change go back original system produce combustible gas be cleaned cooling dedusting cooling system；
Described heating system includes the hot-water heating system of the waste heat recovery during being produced by gasification system, and to outside heat supply
Cooling system；
Wherein, feed system, original system is gone back in gasification and ash discharge slag-tapping system is linked in sequence from top to bottom, dedusting cooling system and row
Ash slag-tapping system connects, and hot-water heating system is arranged at gasification system and the periphery of dedusting cooling system, cooling system and hot-water heating system
It is connected.
Further illustrating as such scheme, whole system forms a complete gasification and heating system, and science is united
Raise, expecting that gasification reduction produces combustion gas from biomass fuel, more all taking into account to the recovery of waste heat, forming clean environment firendly, a height
Imitate compact system.
Aforementioned gasification is gone back original system and is included gasification furnace core, supports the furnace body support of gasification furnace core, is located at gasification furnace core top
Material outlet, and for gasification furnace core provide air air blast.Living beings are converted into gasification gas combustion gas herein.
Aforementioned ash discharge slag-tapping system includes that infundibulate ash sieves, and is located at bottom infundibulate ash sieve and the movable fire grate opened,
It is located at the ash bucket below fire grate, the helix transporting device that the ashes in ash bucket are discharged, and drive infundibulate ash sieve to make
The eccentric screen apparatus for ash of horizontal screen ash action；Eccentric screen apparatus for ash includes supporting seat, eccentric wheel, power transmission shaft, sieve ash motor；Transmission
Axle is arranged on support seat by bearing, and power transmission shaft is driven rotation by sieving ash motor, and eccentric wheel is located at power transmission shaft upper end, described leakage
Bucket shape ash sieve has top edge to be circumferentially with several sieve ash seats uniform, the quantity phase of the quantity of power transmission shaft and eccentric wheel seat grey with sieve
With coupling, eccentric wheel is provided with the short axle of bias of deviation power transmission shaft axle center certain distance, and eccentric short axle is by bearing and sieve ash seat
Connect；Described fire grate is provided with the gear-linked system controlling fire grate folding, and gear-linked system is mainly by the left side being connected with fire grate
Gear and right gear, cylinder are constituted；Left gear and right gear intermesh linkage, and right gear is connected with cylinder；Described spiral transferring
Device is sent to include the blast tube communicated with ash bucket side, the conveying pipe being provided with elongate slot below blast tube, conveying
What pipe was middle is provided with screw conveyor shaft, and ash discharge motor；Screw conveyor shaft periphery is provided with the helical blade of ash-slag delivery, ash discharge
The end of screw conveyor shaft is located at by motor.Screw conveyor shaft is rotated by ash discharge motor, and helical blade produces axial force, can
Convenient and practical automatic business processing ashes, discharge it from ash bucket.Cylinder is controlled, it is possible to achieve automation by control system
Disposably bulk ashes or other block are cleared up away from infundibulate ash sieves.Shaken by bias, can be by infundibulate
Ash content in ash sieve is the most fully trembled down, prevents from blocking infundibulate ash sieve, affects gasification reaction.Helix transporting device can facilitate real
Use automatic business processing ashes, it is discharged from ash bucket；Fire grate can disposably by bulk ashes or other block from leakage
Bucket shape ash sieve is cleared up away.
Aforementioned feed system is that bucket type feeding apparatus hoisting, screw feeding device, chain bucket continuous feeding device or belt connect
Continuous feed arrangement.Automatic feed mode is versatile and flexible, selects flexibly because of needs.
Aforementioned dedusting cooling system includes two or more cyclone separator, the air inducing that cyclone separator is connected
Machine, and ash content settling tank；The outlet of cyclone separator bottom extend into ash content settling tank；Cyclone separator periphery sets
Having cooling water jacket, if temperature lowering water set is arranged over spraying mouth with whirlwind air inlet solid carbon dioxide in the same direction, water is sprayed mouth and is followed by water curtain
Ring water pump is connected with ash content settling tank.Automatically carry out purifying, lowering the temperature by the gasification gas that system produces herein.
Former hotter water system includes furnace water jacket and hot water conveying pipe；Furnace water jacket is matchingly around living beings downdraft gas
Change supply to arrange with the gasification furnace core of heating system and infundibulate ash sieve, hot water conveying pipe respectively with furnace water jacket and grey fractional precipitation
Pond is connected；The support seat of described eccentric screen apparatus for ash is arranged on furnace water jacket, constitutes for two-layer pipe in the middle of described power transmission shaft,
Forming two waterway channels, waterway channel communicates with the end supporting seat, is provided with the axle sleeve passed for power transmission shaft in furnace water jacket
Pipe, the upper and lower two ends of pipe spreader are provided with bearing；Pipe spreader bottom is provided with cooling jacket, be sequentially provided with in the middle of cooling jacket intake antrum and
Water chamber, intake antrum is provided with water inlet, and water chamber is provided with delivery port；Intake antrum and water chamber are provided with drive shaft seal even
Connect the rubber seal of separation.
Aforementioned control system includes PLC circuit control unit, and the frequency conversion control being electrically connected with PLC circuit control unit
System processed and signal feedback system；Wherein, frequency-changing control system includes air blast frequency converter, air inducing frequency converter, ash sieve frequency converter, row
Ash frequency converter；Air blast frequency converter is connected with air blast, and air inducing frequency converter is connected with air-introduced machine, and ash sieve frequency converter is with ash sieve motor even
Connecing, ash discharge frequency converter is connected with ash discharge motor.The work of each composition system is controlled, it is possible to achieve feed, tremble by control system
Ash, purification gasification gas, the full-automatic process of cooling hot water, save artificial, be suitable for industrial application.
Aforementioned signal reponse system includes cooling-water temperature sensor, hydraulic pressure sensor, gravity sensor and gasification temperature sensor；
Wherein, cooling-water temperature sensor and hydraulic pressure sensor are located in the furnace water jacket of hot-water heating system；Gravity sensor is located at gasification reduction
On the furnace body support of system；Gasification temperature being located at of sensor is gone back on the gasification furnace core of original system.Signal feedback system is by various
Sensor will control parameter feedback accordingly and return PLC circuit control unit, PLC circuit control unit carry out whole system certainly
Dynamicization controls.
Aforementioned gasification temperature sensor is thermocouple.
Aforementioned cooling system is and the extraneous cooling tower carrying out heat exchange, and cooling tower passes through hot water conveying pipe and hot-water heating system
It is connected.Hot water cools down in cooling tower, and the heat in hot water passes the heat supply of the system of realization, and the water after cooling returns again to
Recycle in system.
From the foregoing, it will be observed that the present invention mainly has the advantage that whole system forms a complete gasification and heating system, section
Learning and plan as a whole, expecting that gasification reduction produces combustion gas from biomass fuel, more all taking into account to the recovery of waste heat, the energy of living beings is changed
Efficiency is high, forms automation supply and the heating system of a clean environment firendly.Each sub-apparatus structure science and compact, space is abundant
Utilizing, fully realize the automation of links, automatization level is high, and easy to use, aerogenesis is efficient；Effectively by gasification gas
Ash content and dust are removed, and significantly reduce the pollution to environment, improve the service life of relevant utensil, energy-conserving and environment-protective；Clearly
Except ash content or the coking block of accumulation are convenient and swift；Work is actively promoted to expanding the application using reproducible biomass energy
With.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of the present invention.
Fig. 2 is signal feedback system and the power system architecture schematic diagram of Fig. 1.
Fig. 3 is gasification system and heating system structure schematic diagram, and the arrow in figure is gasification gas or the flow direction of water.
Fig. 4 is gasification system and the ash discharge slag-tapping system schematic top plan view of Fig. 3.
Fig. 5 is infundibulate ash sieve and the positional structure schematic diagram of eccentric screen apparatus for ash of Fig. 3.
Fig. 6 is the complete plan structure schematic diagram of Fig. 5.
Fig. 7 is the infundibulate ash sieve in Fig. 3 and the positional structure schematic diagram of fire grate.
Fig. 8 is the structural representation of the eccentric screen apparatus for ash of Fig. 5.
Fig. 9 is the structural representation of the dedusting cooling system of Fig. 3.
Drawing reference numeral illustrates: 01-gasification system, 02-heating system, 03-control system；
Original system, 2-feed system, 3-ash discharge slag-tapping system, 4-dedusting cooling system, 6-hot-water heating system, 7-are gone back in 1-gasification
Cooling system, 8-PLC circuit control unit, 9-frequency-changing control system, 10-signal feedback system；11-feed bin, 12-gasification furnace
Core, 13-furnace body support, 14-air blast；
31-eccentric screen apparatus for ash, 32-fire grate, 33-ash bucket, 34-helix transporting device, 35-infundibulate ash sieves；311-props up
Support seat, 312-power transmission shaft, 313-sieve ash motor, 314-sprocket wheel, 315-eccentric wheel, 316-sieve ash seat, the eccentric short axle of 317-,
318-bearing；3161-waterway channel, 3162-pipe spreader, 3163-cooling jacket, 3164-intake antrum, 3165-water chamber,
3166-water inlet, 3167-delivery port, 3168-rubber seal；321-left gear, 322-right gear, 323-cylinder； 341-
Blast tube, 342-carries pipe, 343-screw conveyor shaft, 344-helical blade, 345-ash discharge motor；
41-cyclone separator, 42-air-introduced machine, 43-ash content settling tank, 44-furnace water jacket, 45-hot water conveying pipe；411-
Cooling water jacket, 412-whirlwind air inlet, 413-water sprays mouth, 414-water curtain water circulating pump；
71-cooling tower, 72-gas consuming device, 73-discharge flue, 92-air inducing frequency converter, 93-ash sieve frequency converter, 94-ash discharge frequency conversion
Device, 95-cooling-water temperature sensor, 96-hydraulic pressure sensor, 97-gravity sensor, 98-gasification temperature sensor.
Detailed description of the invention
Below in conjunction with the accompanying drawings and preferred embodiment, the present invention and Advantageous Effects thereof are carried out the most specifically
Bright.
Seeing Fig. 1 ~ Fig. 9, living beings downdraft gasification supply and heating system 02 include changing into biomass fuel can
The gasification system 01 of combustion gas, the waste heat recovery during gasification system 01 is produced the heating system 02 of outward supplying heat, and
Coordinate gasification system 01 and the control system 03 of heating system 02 work；Gasification system 01 includes going back original system 1 from trend gasification
Add the feed system 2 of biomass fuel, original system 1 is gone back in the gasification of biomass fuel transferring to combustible gas, gasification is reduced
The ash discharge slag-tapping system 3 that the solid constituent that system 1 produces is discharged, goes back gasification the combustible gas that original system 1 produces and is cleaned fall
The dedusting cooling system 4 of temperature；Heating system 02 includes the hot-water heating system 6 of the waste heat recovery during being produced by gasification system 01,
And the cooling system 7 to outside heat supply；Wherein, feed system 2, gasification go back original system 1 and ash discharge slag-tapping system 3 from top to bottom
Being linked in sequence, dedusting cooling system 4 is connected with ash discharge slag-tapping system 3, and hot-water heating system 6 is arranged at gasification system 01 and dedusting cooling
The periphery of system 4, cooling system 7 is connected with hot-water heating system 6.
Seeing Fig. 2 ~ Fig. 3, gasification is gone back original system 1 and is included gasification furnace core 12, supports the furnace body support 13 of gasification furnace core 12, if
In the feed bin 11 mouthfuls on gasification furnace core 12 top, and provide the air blast 14 of air for gasification furnace core 12.
Seeing Fig. 2 ~ Fig. 4, ash discharge slag-tapping system 3 includes infundibulate ash sieve 35, is located at bottom infundibulate ash sieve 35 and can live
The dynamic fire grate 32 opened, is located at the ash bucket 33 below fire grate 32, the helix transporting device discharged by the ashes in ash bucket 33
34, and drive infundibulate ash sieve 35 to make the eccentric screen apparatus for ash 31 of horizontal screen ash action；Eccentric screen apparatus for ash 31 includes supporting
Seat 311, eccentric wheel 315, power transmission shaft 312, sieve ash motor 313；Power transmission shaft 312 is arranged on support seat 311 by bearing 318,
Power transmission shaft 312 is driven rotation, eccentric wheel 315 to be located at power transmission shaft 312 upper end by sieve ash motor 313, and described infundibulate ash sieve 35 has
Top edge is circumferentially with several sieve ash seats 316 uniform, the quantity of the quantity of power transmission shaft 312 and eccentric wheel 315 seat 316 grey with sieve
Identical match, eccentric wheel 315 is provided with the short axle of bias 317 of deviation power transmission shaft 312 axle center certain distance, and eccentric short axle 317 leads to
Cross bearing 318 to be connected with sieve ash seat 316；Described fire grate 32 is provided with the gear-linked system controlling fire grate 32 folding, gear-linked
System is mainly made up of the left gear 321 being connected with fire grate 32 and right gear 322, cylinder 323；Left gear 321 and right gear 322
Intermeshing linkage, right gear 322 is connected with cylinder 323；Described helix transporting device 34 includes communicating with ash bucket 33 side
Blast tube 341, the conveying pipe 342 being provided with elongate slot below blast tube 341, conveying pipe 342 in the middle of be provided with spiral shell
Rotation conveying axis 343, and ash discharge motor 345；Screw conveyor shaft 343 periphery is provided with the helical blade 344 of ash-slag delivery, ash discharge electricity
The end of screw conveyor shaft 343 is located at by machine 345.Power transmission shaft 312 is provided with sprocket wheel 314, by being connected by chain between sprocket wheel 314；
Can the synchronous interaction of practical each power transmission shaft 312, infundibulate ash sieve 35 trembles ash evenly.
Seeing Fig. 2, feed system 2 is bucket type feeding apparatus hoisting, screw feeding device, chain bucket continuous feeding device or skin
Band continuous feeding device.
Seeing Fig. 4 ~ Fig. 9, dedusting cooling system 4 includes two or more cyclone separator 41, cyclone separator
41 air-introduced machines 42 being connected, and ash content settling tank 43；The outlet of cyclone separator 41 bottom extend into ash fractional precipitation water
Case 43；Cyclone separator 41 periphery is provided with cooling water jacket 411, and cooling water jacket 411 is arranged over whirlwind air inlet 412 in the same direction
If solid carbon dioxide sprays mouth 413, water is sprayed mouth 413 and is connected with ash content settling tank 43 by water curtain water circulating pump 414.
Seeing Fig. 2 ~ Fig. 3, Fig. 9, hot-water heating system 6 includes furnace water jacket 44 and hot water conveying pipe 45342；Furnace water jacket 44
Supplying the gasification furnace core 12 with heating system 02 and infundibulate ash sieve 35 setting around living beings downdraft gasification with joining, hot water is defeated
Pipe 45 is sent to be connected with furnace water jacket 44 and ash fractional precipitation pond respectively；The support seat 311 of described eccentric screen apparatus for ash 31 is arranged on
On furnace water jacket 44, constitute for two-layer pipe in the middle of described power transmission shaft 312, form two waterway channels 3161, waterway channel 3161
Communicate with the end supporting seat 311, furnace water jacket 44 is provided with the pipe spreader 3162 passed for power transmission shaft 312, pipe spreader 3162
Two ends are provided with bearing 318 up and down；Pipe spreader 3162 bottom is provided with cooling jacket 3163, be sequentially provided with in the middle of cooling jacket 3163 into
Water cavity 3164 and water chamber 3165, intake antrum 3164 is provided with water inlet 3166, and water chamber 3165 is provided with delivery port 3167；Enter
Water cavity 3164 and water chamber 3165 are provided with and are tightly connected the rubber seal 3168 of separation with power transmission shaft 312.
Seeing Fig. 1, control system 03 includes PLC circuit control unit 8, and is electrically connected with PLC circuit control unit 8
Frequency-changing control system 903 and signal feedback system 10；Wherein, frequency-changing control system 903 includes that air blast frequency converter 91, air inducing become
Frequently device 92, ash sieve frequency converter 93, ash discharge frequency converter 94；Air blast frequency converter 91 is connected with air blast 14, air inducing frequency converter 92 with draw
Blower fan 42 connects, and ash sieve frequency converter 93 is connected with ash sieve motor, and ash discharge frequency converter 94 is connected with ash discharge motor 345.
Seeing Fig. 1 ~ Fig. 2, signal feedback system 10 includes cooling-water temperature sensor 95, hydraulic pressure sensor 96, gravity sensor 97
With gasification temperature sensor 98；Wherein, cooling-water temperature sensor 95 and hydraulic pressure sensor 96 are located at the furnace water jacket 44 of hot-water heating system 6
In；Gravity sensor 97 is located at gasification and is gone back on the furnace body support 13 of original system 1；Being located at of gasification temperature sensor 98 goes back original system
Gasification furnace core 12 on.Gasification temperature sensor 98 is thermocouple.
Cooling system 7 is to carry out the cooling tower 71 of heat exchange with the external world, and cooling tower 71 is by hot water conveying pipe 45 and hot water
System 6 is connected.
Living beings downdraft gasification supply as follows with the course of work of heating system 02: living beings downdraft gasification supply and
Biomass fuel, by feed system 2, is transported in feed bin 11 by heating system 02 automatically and continuously, and fuel leans in feed bin 11
Gravity drops to carry out in gasification furnace core 12 combustion gasification naturally, and air blast 14 sprays oxygen supply in gasification furnace core 12, then exists
In gasification furnace core 12 under the high velocity air oxygen supply of injection, the upper bit of gasification furnace core 12 forms the zoneofoxidation of high temperature, oxygen simultaneously
Change district is under conditions of quantitatively feeding oxidant, and oxidant runs out of substantially；Reaction produce gas under zoneofoxidation with high temperature
Carbon-coating carries out reduction reaction, thus generates biological mass combustable gas gas.Due under the absorption of pyrocarbon layer and catalytic action, at oxygen
The tar changing district and the generation of above cracking zone is decomposed totally in zoneofoxidation and reducing zone, and in the process, multiple chemistry is anti-
Should carry out simultaneously, particularly tar destruction is thoroughly formed gasification gas.The ash content constantly produced in redox reaction enters row
In ash slag-tapping system 3, little carbon granules and ash content, by crossing the aperture of infundibulate ash sieve 35, are fallen in ash bucket 33.In specific feelings
Under condition, the non-combustible impurity in ash content and fuel can lump, and is the most just processed by fire grate 32, and fire grate 32 can be because of the difference of operating mode
Setting to fire grate 32 and suitably open the cycle, when fire grate 32 is opened, the impurity of bulk and coking block drop in ash bucket 33,
Whole ash content and thick coking block are discharged outside body of heater by helix transporting device 34.In combustion gas through ash bucket 33 and blast tube 341
Time, part of ash dust can take in cyclone separator 41 along with the air-flow of gasification gas, and ash content dust falls again, and water sprays mouth
413 spray water in cyclone separator 41, form moisture film at cyclone separator 41 inwall, and dust and the carbon distribution of whereabouts are rushed by Water warfare
Brushing in ash content settling tank 43, last clean gasification gas combustion gas drains into external pipe to using gas end through air-introduced machine 42.
Book and specific embodiment do not constitute any restriction to the present invention according to the above description, the invention is not limited in
The detailed description of the invention that face is disclosed and described, some amendments and the deformation to the present invention, it should also the right falling into the present invention is wanted
In the protection domain asked.
Claims (9)
1. living beings downdraft gasification supply and a heating system, including the gasification system that biomass fuel changes into combustible gas
System, the waste heat recovery during gasification system is produced the heating system of outward supplying heat, and coordinate gasification system and heat supply
The control system of system work；It is characterized in that:
Described gasification system includes that going back original system from trend gasification adds the feed system of biomass fuel, turns biomass fuel
Go back original system for changing the gasification of combustible gas, gasification is gone back the ash discharge slag-tapping system of the solid constituent discharge that original system produces, by gas
Change go back original system produce combustible gas be cleaned cooling dedusting cooling system；
Described heating system includes the hot-water heating system of the waste heat recovery during being produced by gasification system, and to outside heat supply
Cooling system；
Wherein, feed system, original system is gone back in gasification and ash discharge slag-tapping system is linked in sequence from top to bottom, dedusting cooling system and row
Ash slag-tapping system connects, and hot-water heating system is arranged at gasification system and the periphery of dedusting cooling system, cooling system and hot-water heating system
It is connected.
2. living beings downdraft gasification supply as claimed in claim 1 and heating system, is characterized in that: described gasification reduction is
System includes gasification furnace core, supports the furnace body support of gasification furnace core, is located at the material outlet on gasification furnace core top, and is gasification furnace core
The air blast of air is provided.
3. living beings downdraft gasification supply as claimed in claim 2 and heating system, is characterized in that: described ash discharge goes out slag system
System includes that infundibulate ash sieves, and is located at bottom infundibulate ash sieve and the movable fire grate opened, is located at the ash bucket below fire grate, will
The helix transporting device that ashes in ash bucket are discharged, and drive infundibulate ash sieve to make the eccentric screen ash dress of horizontal screen ash action
Put；Eccentric screen apparatus for ash includes supporting seat, eccentric wheel, power transmission shaft, sieve ash motor；Power transmission shaft is arranged on support seat by bearing
On, power transmission shaft is driven rotation by sieving ash motor, and eccentric wheel is located at power transmission shaft upper end, and described infundibulate ash sieve has top edge circumference to set
Having several sieve ash seats uniform, the quantity identical match of the quantity of power transmission shaft and eccentric wheel seat grey with sieve, eccentric wheel is provided with partially
The short axle of bias with a certain distance from power transmission shaft axle center, eccentric short axle is connected with sieve ash seat by bearing；Described fire grate is provided with control
The gear-linked system of fire grate folding, gear-linked system is mainly made up of the left gear being connected with fire grate and right gear, cylinder；
Left gear and right gear intermesh linkage, and right gear is connected with cylinder；Described helix transporting device includes and ash bucket side
The blast tube communicated, the conveying pipe being provided with elongate slot below blast tube, what conveying pipe was middle is provided with screw conveyor shaft,
And ash discharge motor；Screw conveyor shaft periphery is provided with the helical blade of ash-slag delivery, and the end of screw conveyor shaft is located at by ash discharge motor
Portion.
4. living beings downdraft gasification supply as claimed in claim 3 and heating system, is characterized in that: described feed system is
Bucket type feeding apparatus hoisting, screw feeding device, chain bucket continuous feeding device or belt continuous feeding device.
5. living beings downdraft gasification supply as claimed in claim 4 and heating system, is characterized in that: described dedusting cooling is
System includes two or more cyclone separator, the air-introduced machine that cyclone separator is connected, and ash content settling tank；Whirlwind
The outlet of separator bottom extend into ash content settling tank；Cyclone separator periphery is provided with cooling water jacket, above temperature lowering water set
Spraying mouth if being provided with whirlwind air inlet solid carbon dioxide in the same direction, water sprays mouth by water curtain water circulating pump and ash content settling tank phase
Even.
6. living beings downdraft gasification supply as claimed in claim 5 and heating system, is characterized in that: described hot-water heating system bag
Include furnace water jacket and hot water conveying pipe；Furnace water jacket is matchingly around the gasification of living beings downdraft gasification supply with heating system
Combustion chamber and infundibulate ash sieve are arranged, and hot water conveying pipe is connected with furnace water jacket and ash fractional precipitation pond respectively；Described eccentric screen ash
The support seat of device is arranged on furnace water jacket, constitutes for two-layer pipe, form two waterway channels, water route in the middle of described power transmission shaft
Passage communicates with the end supporting seat, is provided with the pipe spreader passed for power transmission shaft in furnace water jacket, and the upper and lower two ends of pipe spreader are provided with
Bearing；Pipe spreader bottom is provided with cooling jacket, is sequentially provided with intake antrum and water chamber in the middle of cooling jacket, and intake antrum is provided with
Water inlet, water chamber is provided with delivery port；Intake antrum and water chamber are provided with and are connected the rubber seal separated with drive shaft seal.
7. living beings downdraft gasification supply as claimed in claim 6 and heating system, is characterized in that: described control system bag
Include PLC circuit control unit, and with the frequency-changing control system of PLC circuit control unit electrical connection and signal feedback system；
Wherein, frequency-changing control system includes air blast frequency converter, air inducing frequency converter, ash sieve frequency converter, ash discharge frequency converter；Air blast frequency converter with
Air blast connects, and air inducing frequency converter is connected with air-introduced machine, and ash sieve frequency converter is connected with ash sieve motor, ash discharge frequency converter and ash discharge electricity
Machine connects.
8. living beings downdraft gasification supply as claimed in claim 7 and heating system, is characterized in that: described signal feedback is
System includes cooling-water temperature sensor, hydraulic pressure sensor, gravity sensor and gasification temperature sensor；Wherein, cooling-water temperature sensor and hydraulic pressure
Sensor is located in the furnace water jacket of hot-water heating system；Gravity sensor is located at gasification and is gone back on the furnace body support of original system；Gasification temperature
Degree being located at of sensor is gone back on the gasification furnace core of original system.
9. living beings downdraft gasification supply as claimed in claim 8 and heating system, is characterized in that: described cooling system is
With the cooling tower that the external world carries out heat exchange, cooling tower is connected with hot-water heating system by hot water conveying pipe.
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| CN201610401626.2A CN105907425A (en) | 2016-06-11 | 2016-06-11 | Biomass downdraft type gasification air and heat supply system |
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| CN201610401626.2A CN105907425A (en) | 2016-06-11 | 2016-06-11 | Biomass downdraft type gasification air and heat supply system |
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| CN108186352A (en) * | 2018-02-09 | 2018-06-22 | 佛山市佛禅健康管理有限公司 | A kind of timing charcoal gunpowder stews |
| CN108283575A (en) * | 2018-02-09 | 2018-07-17 | 佛山市佛禅健康管理有限公司 | A kind of intelligence charcoal gunpowder pot |
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| CN110295065A (en) * | 2019-08-05 | 2019-10-01 | 青岛德瑞汇丰环保科技有限公司 | A kind of integrated downdraft Biomass Gasification And Power Generation System and method |
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