CN106635173A - Biomass gasification furnace with efficient combustion - Google Patents
Biomass gasification furnace with efficient combustion Download PDFInfo
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- CN106635173A CN106635173A CN201611019227.6A CN201611019227A CN106635173A CN 106635173 A CN106635173 A CN 106635173A CN 201611019227 A CN201611019227 A CN 201611019227A CN 106635173 A CN106635173 A CN 106635173A
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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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/485—Entrained flow gasifiers
-
- 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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
- C10J3/506—Fuel charging devices for entrained flow gasifiers
-
- 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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/52—Ash-removing devices
- C10J3/526—Ash-removing devices for entrained flow gasifiers
-
- 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
- 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
- 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
-
- 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
-
- 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
- C10J2300/12—Heating the gasifier
- C10J2300/1207—Heating the gasifier using pyrolysis gas as fuel
-
- 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
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention relates to a biomass gasification furnace with efficient combustion, comprising a furnace body, a heating combustion system, a feed system and a tail gas circulation system, wherein the furnace body is provided with an inner combustion chamber, the heating combustion system is arranged in the inner combustion chamber, the feed system is arranged at the top of the furnace body, and the tail gas circulation system is connected between the furnace body and the feed system; when the biomass gasification furnace works, biomass materials are firstly fed into the feed system, then enter the inner combustion chamber by the feed system, are heated by the heating combustion system in the inner combustion chamber for oxygen debt combustion, and then are gasified into biomass gas, and finally the biomass gas is discharged from the furnace body for storage or direct combustion utilization.
Description
Technical field
Of the invention and a kind of gasification furnace, particularly relate to it is a kind of can be by the gasification furnace of gasification of biomass.
Background technology
It is well known that biomass refer to the various organisms produced by photosynthesis using big gas and water, soil etc.,
I.e. all lived organic substances that can be grown are commonly referred to as biomass.It includes plant, animal and microorganism.Broad sense is general
Read：Biomass include the discarded object of all of plant, microorganism and the animal with plant, microorganism as food and its production.
Representational biomass such as crops, agricultural waste material, timber, timber waste and animal wastes.Narrow sense concept：It is biological
Matter is primarily referred to as the lignocellulosics such as the stalk in agriculture and forestry production process in addition to grain, fruit, trees, farming industry
The materials such as fowl and animal excrement and discarded object during leftover bits and pieces, agriculture and forestry organic waste material and Animal husbandry production.Its feature is mainly：Can be again
Natural disposition, low stain and widely distributed property.
Biomass include the organic matter that plant is generated by photosynthesis（Such as plant, animal and its excreta）, rubbish and
A few big class such as organic wastewater.The energy sources of biomass is in the sun, so biomass energy is one kind of solar energy.Biomass are
The topmost absorber of solar energy and holder, biomass can accumulate solar energy by photosynthesis, be stored in
In machine thing.Biomass are the materials being most widely present on the earth, and it includes all animals, plant and microorganism and is had by these
Many organic matters of living matter derivation, excretion and metabolism.Various biomass all have certain energy.With biomass as carrier,
The energy produced by biomass is biomass energy.Biomass energy is one kind that solar energy is stored in biology in chemical energy form
Form of energy, directly or indirectly from the photosynthesis of plant.
The characteristics of biomass have above-mentioned many but it is constrained to the substantial amounts of life of backwardness of current biomass treatment apparatus technology
Raw material of substance is often dropped or is wasted by the method for simple combustion, such as, current most agricultural stalk is all
It is to be disposed by way of simple combustion, not only waste of resource can produce very big danger to this processing mode to environment simultaneously
Evil.And not high production efficiency, processing mode backwardness, thermal efficiency conversion are there is some biomass treatment apparatus for occurring at present more
The low shortcomings of rate.
The content of the invention
The present invention provides a kind of efficient burning biomass gasifying furnace, and it can efficiently be gasified biomass material,
And then turn waste into wealth while preventing the phenomenon of atmosphere pollution, and this is exactly for the main object of the present invention.
The technical solution adopted in the present invention is：A kind of efficient burning biomass gasifying furnace, including body of heater, heating burning system
System, feed system and exhaust gas circulation system, wherein, the body of heater has a combustion cavity, and the heating fuel system is arranged on this
In combustion cavity, the feed system is arranged on the body of heater top, and the exhaust gas circulation system is connected to the body of heater and the feed system
Between, the biomass gasifying furnace when work, put into first in the feed system, is then entered by this by biomass material
Material system is entered in the combustion cavity, and the biomass material is owed in the combustion cavity by the heating fuel system heating
The biomass material is gasified as biomass gas after oxygen burning, and finally, the biomass gas are discharged from the body of heater and carried out
Storage is utilized by directly burning.
The heating fuel system includes fire grate and internal gas flow circulation pipe unit, wherein, the fire grate is erected at the burning
Intracavity bottom, the fire grate includes some heating tubes, and some heating tubes are arranged parallel to each other, between any two heating tube
A whereabouts mouth is formed, in each heating tube disrance sleeve is arranged with, the fire grate also scrapes charcoal system including stirring, the stirring
Charcoal system is scraped including drive part and moving head part, the moving head part is connected with the drive part, the drive part
The moving head part is driven to carry out action, the moving head part includes some stirring action frames, each stirring action frame bottom
Portion is all connected with coke scraping ring, and the coke scraping ring is set in correspondingly on the disrance sleeve, and the coke scraping ring can be along this
Charcoal action is back and forth scraped in the direction of disrance sleeve, and each stirring action frame includes upright tilting trestle and horizontal stirring
Body, wherein, the coke scraping ring is connected to the upright tilting trestle bottom, the horizontal stirring body be connected to any two coke scraping ring it
Between, also, the horizontal stirring body is arranged on correspondingly in the whereabouts mouth.
When work, the biomass material is entered in the combustion cavity, and is piled up above some heating tubes
Carry out oxygen debt burning, at the same time, the stirring scrape charcoal system interval time rating after action once, when the stirring scrapes charcoal system
When action, the coke scraping ring is back and forth scraped charcoal action to remove immediately on the disrance sleeve along the direction of the disrance sleeve
Carbon deposit, the stirring action frame and the coke scraping ring synchronization action synchronous with this, and by the upright tilting trestle in the heating tube
Fang Jinhang stirring actions, the biomass material above the heating tube is stirred enables the biomass material and air
It is fully contacted and is fully burnt, also can makes to complete to fall the whereabouts under tailings burning and can not being burned in addition
In mouthful, meanwhile, the horizontal stirring body is synchronized with the movement with the upright tilting trestle, and is stirred in the whereabouts mouth by the horizontal stirring body
Tailings further fall the combustion cavity bottom down, to carry out removing for tailings.
The drive part includes driver and actuating strut, the actuating strut be connected to the driver and the moving head part it
Between, some convex thorns are convexly equipped with the outer surface of the actuating strut.The coke scraping ring includes outer ring body and some inner ring blocks, wherein, should
Outer ring body is connected on the stirring action frame, and between the outer ring body and each inner ring block spring is both provided with, and the spring will
The inner ring block is pressed on the disrance sleeve surface and carries out carbon removal action.
The internal gas flow circulation pipe unit is arranged in the combustion cavity and positioned at the fire grate top, the combustion cavity bag
Biomass combustion chamber and air chamber are included, wherein, the biomass combustion chamber is located at the body of heater lower section, and the air chamber is located at the body of heater
Top, the biomass material is piled up and is burnt in the biomass combustion chamber, and the internal gas flow circulation pipe unit includes some
Circulation pipe, each circulation pipe includes air inlet and gas outlet, and the air inlet and the gas outlet are separately positioned on this
The upper and lower ends of circulation pipe, meanwhile, the air inlet is in the biomass combustion chamber, and the gas outlet is in the air chamber.
When work, piled up due to the biomass material and burnt in the biomass combustion chamber, so the life
The temperature in substance combustion chamber is in the biomass combustion chamber higher than the temperature in the air chamber because of the air inlet, and is somebody's turn to do
Gas outlet is in the air chamber, it is possible to stack effect is formed, by the circulation pipe by the biomass combustion chamber
Gas is constantly drawn in the air chamber, and this moment, the gas pressure increase of the air chamber makes the gas in the air chamber in the combustion
Burn in inner chamber from the air chamber to biomass combustion cavity direction flowing, so move in circles, to improve the combustion cavity in gas
Body circulation efficiency, improves efficiency of combustion.
The circulation pipe is plugged in the biomass material above the fire grate, meanwhile, the air inlet is positioned at the life
In raw material of substance, so, the biomass gas formed in the biomass material can be by the circulation pipe by the biomass fuel
Burn chamber to enter in the air chamber.
The air inlet and the gas outlet are all disposed within the circulation pipe side pipe wall, and the upper and lower ends head of the circulation pipe is complete
Closing, the air inlet is angling hole, and the angling hole has entrance and outlet, and the entrance is arranged on the outer surface of the circulation pipe
On, the outlet is arranged on the inner surface of the circulation pipe, and the position of the outlet is higher than the position of the entrance, in addition, in the circulation
Some catch are convexly equipped with the side pipe wall of pipe, each catch is correspondingly arranged at the top of the gas outlet, the catch
The biomass material is prevented from first blocks the gas outlet, meanwhile, when feeding intake, in the biomass material from top to bottom
When putting in the combustion cavity, the biomass material can be broken up by the catch so as to burn more abundant.
The inner surface of the air inlet is helical form inner face, and it is prevented from first the biomass material and blocks the air inlet,
In addition, it can also flow velocity of the lift gas in the air inlet.
The feed system includes material feeding box, the first action door, the second action door and exhaust tube, wherein, the charging case and bag
Feeding mouth, discharging opening and material chamber are included, the feeding mouth and the discharging opening are separately positioned on the upper and lower ends in the material chamber, the material chamber
It is connected with the combustion cavity and positioned at the surface of the combustion cavity, the first action door is arranged at the feeding mouth, this
Two action doors are arranged on the discharge outlet, and the exhaust tube is connected on the side wall of the material feeding box, and on the exhaust tube exhausting is provided with
Machine.
The feed system is carried out in accordance with the following steps when work, and first, the first action door is opened and makes the material chamber
Connect with external environment condition, now, operator is placed to the biomass material in the material chamber by the feeding mouth, this moment, the life
Raw material of substance is placed on the second action door top, and then, the first action door is closed makes the material chamber isolate with external environment condition, should
Air exhauster action carries out being evacuated makes the atmospheric pressure value in the material chamber reach rated value, controls the air in the combustion cavity with this and contains
Amount, enables the oxygen debt burning in the combustion cavity to carry out in predefined conditions, and then, the second action door is opened and makes the material chamber
Connect with the combustion cavity, now, the biomass material is dropped in the combustion cavity by the discharging opening, at the same time, the combustion
Burn the cognition of the biogas in inner chamber to enter in the material chamber by the discharging opening, this moment, closing the second action door makes the material
Chamber isolates with the combustion cavity, and the air exhauster action carries out pumping makes biomass gas reenter by the exhaust gas circulation system
To in the combustion cavity, afterwards, then open the first action door and carry out the action that feeds intake again, so move in circles, ensure should
Oxygen debt burning in combustion cavity ensure that tail gas zero-emission while can carrying out in predefined conditions, so as to prevent to big
The pollution of gas.
Gate slot is provided with the material feeding box, respectively activity is plugged in the gate slot for the first action door and the second action door
In, the first action door and the second action door afterbody are connected respectively by connecting rod with motor.
The exhaust gas circulation system is circulation pipe, and the circulation pipe includes that pumping pipe connected pipe, combustion chamber connecting tube, air chamber connect
Adapter and supervisor, wherein, the pumping pipe connected pipe is connected between the supervisor and the exhaust tube, combustion chamber connecting tube connection
Between the supervisor and the biomass combustion chamber, the air chamber connecting tube is connected between the supervisor and the air chamber, the charging
The gas in gas and the biomass combustion chamber in case can be entered in the air chamber by the circulation pipe, to reach tail gas
The effect of circulation.
Beneficial effects of the present invention are：The fire grate of the present invention integrates the function of carbon removal and stirring, prior art
Fire grate only includes some heating tubes, and clearly, its surface must after work a period of time for such heating tube for its shortcoming
A large amount of carbon deposits can be so produced, if not processing carbon deposit necessarily occurs the problems such as efficiency of heating surface reduction, and carbon deposit is processed
Have to carry out blowing out, so have a strong impact on production efficiency, in addition biomass material of the prior art is all to be deposited in heating
The burning of pipe top, and this combustion system can not only make burning cmpletely while the tailings that burns often also is stacked on
Heating tube top, and then occur that deslagging is inconvenient, the problems such as efficiency of combustion is reduced, the fire grate collection carbon removal of the present invention with turn over
The function of material can completely avoid the generation of the problems referred to above in one.It is of the invention when work in addition, due to the biomass
Raw material is piled up and is burnt in the biomass combustion chamber, so the temperature in the biomass combustion chamber is higher than the temperature in the air chamber
Degree, the and because air inlet is in the biomass combustion chamber, and the gas outlet is in the air chamber, it is possible to shape
Into stack effect, the gas in the biomass combustion chamber is constantly drawn in the air chamber by the circulation pipe, this moment, the gas
The gas pressure increase in chamber makes the gas in the air chamber in the combustion cavity from the air chamber to the biomass combustion chamber side
To flowing, so move in circles, to improve the combustion cavity in gas cycle efficieny, improve efficiency of combustion.
It should be noted that biomass combustion furnace of the prior art its feeding part is all designed for unenclosed construction, when entering
Material is partially opened when carrying out feeding intake action, and its burning furnace chamber is directly connected with external environment condition, this moment, in burning furnace chamber
Remaining biogas cognition is leaking directly in environment, in turn results in atmosphere pollution, and by the feed system of the present invention
Tail gas can be realized without leakage zero-emission.
Description of the drawings
Fig. 1 is the structural representation of biomass gasifying furnace of the present invention.
Fig. 2 is the dimensional decomposition structure diagram of biomass gasifying furnace of the present invention.
Fig. 3 is the structural representation that stirring of the present invention scrapes charcoal system.
Fig. 4 is the structural representation of circulation pipe of the present invention.
Specific embodiment
As shown in Figures 1 to 4, a kind of efficient burning biomass gasifying furnace, including body of heater 10, heating fuel system 20, charging
System 30 and exhaust gas circulation system 40, wherein, the body of heater 10 has a combustion cavity 11.
The heating fuel system 20 is arranged in the combustion cavity 11, and the feed system 30 is arranged on the top of body of heater 10,
The exhaust gas circulation system 40 is connected between the body of heater 10 and the feed system 30.
When work, biomass material A puts into first in the feed system 30 biomass gasifying furnace 100, and
Entered in the combustion cavity 11 by the feed system 30 afterwards, biomass material A is heated in the combustion cavity 11 by this
The heating of combustion system 20 carries out biomass material A after oxygen debt burning and is gasified as biomass gas, finally, the biogas
Body is discharged from the body of heater 10 and is stored or utilized by directly burning.
The heating fuel system 20 includes fire grate 50 and internal gas flow circulation pipe unit 60, wherein, the fire grate 50 sets up
In the bottom of combustion cavity 11.
The fire grate 50 includes some heating tubes 51, and some heating tubes 51 are arranged parallel to each other, in any two heating
A whereabouts mouth 52 is formed between pipe 51.
Disrance sleeve 53 is arranged with each heating tube 51.
The fire grate 50 also scrapes charcoal system 54 including stirring.
The stirring scrapes charcoal system 54 including drive part 55 and moving head part 56.
The moving head part 56 is connected with the drive part 55, and the drive part 55 drives the moving head part 56 to carry out
Action.
The moving head part 56 includes some stirring action frames 57, and each bottom of stirring action frame 57 is connected with scrapes
Carbon ring 58.
The coke scraping ring 58 is set in correspondingly on the disrance sleeve 53, and the coke scraping ring 58 can be along the isolation
Back and forth scraped charcoal action in the direction of sleeve pipe 53.
Each stirring action frame 57 includes upright tilting trestle 571 and laterally stirring body 572.
Wherein, the coke scraping ring 58 is connected to the bottom of upright tilting trestle 571, and the horizontal stirring body 572 is connected to any two
Between the individual coke scraping ring 58, also, the horizontal stirring body 572 is arranged on correspondingly in the whereabouts mouth 52.
The fire grate 50 of the present invention integrates the function of carbon removal and stirring, and the fire grate of prior art only includes some adding
Heat pipe, clearly, such heating tube will necessarily produce a large amount of carbon deposits in its surface to its shortcoming after work a period of time, such as
Fruit does not process carbon deposit and the problems such as efficiency of heating surface reduction necessarily occurs, and to process carbon deposit and have to carry out blowing out, so
Production efficiency is had a strong impact on, in addition biomass material of the prior art is all deposited in the burning of heating tube top, and this
Combustion system can not only make burning, and cmpletely simultaneously burning tailings is often also stacked on heating tube top, and then occurs
Deslagging is inconvenient, the problems such as efficiency of combustion reduction, and the fire grate 50 of the present invention collects carbon removal with the function of stirring in a physical efficiency
The generation of the problems referred to above is enough avoided completely, is described in detail below.
The present invention work when, biomass material A is entered in the combustion cavity 11, and pile up it is some should plus
The top of heat pipe 51 carries out oxygen debt burning, at the same time, the stirring scrape charcoal system 54 after the time rating of interval action once, when this
When stirring scrapes charcoal 54 action of system, the coke scraping ring 58 is back and forth scraped charcoal action with i.e. along the direction of the disrance sleeve 53
When remove carbon deposit on the disrance sleeve 53, the stirring action frame 57 and coke scraping ring 58 synchronization action synchronous with this, and by
The upright tilting trestle 571 carries out stirring action in the top of heating tube 51, enables the biomass material A of the top of heating tube 51
Enough being stirred enables biomass material A to be fully contacted with air fully to be burnt, also can make to complete what is burnt in addition
And fall under the tailings that can not be burned in the whereabouts mouth 52, meanwhile, the horizontal stirring body 572 and the upright tilting trestle
571 are synchronized with the movement, and stir the tailings in the whereabouts mouth 52 by the horizontal stirring body 572 and further fall the combustion cavity down
11 bottoms, to carry out removing for tailings.
When concrete real, the drive part 55 includes driver 551 and actuating strut 552, and the actuating strut 552 connects
Between the driver 551 and the moving head part 56.
Some convex thorns are convexly equipped with the outer surface of the actuating strut 552, by the convex thorn stirring can be made to scrape charcoal system 54
It is more thorough that the stirring action for being carried out is carried out.
When concrete real, the driver 551 can be motor, cylinder etc..
When concrete real, the coke scraping ring 58 includes outer ring body 581 and some inner ring blocks 582, wherein, the outer ring body
581 are connected on the stirring action frame 57, and between the outer ring body 581 and each inner ring block 582 spring 583 is both provided with,
The inner ring block 582 is pressed on the surface of disrance sleeve 53 and carries out carbon removal action by the spring 583.
The internal gas flow circulation pipe unit 60 is arranged in the combustion cavity 11 and positioned at the top of fire grate 50.
The combustion cavity 11 includes biomass combustion chamber 111 and air chamber 112, wherein, 111, the biomass combustion chamber
In the lower section of body of heater 10, the air chamber 112 is located at the top of body of heater 10.
Biomass material A piles up and is burnt in the biomass combustion chamber 111.
The internal gas flow circulation pipe unit 60 includes some circulation pipes 61.
Each circulation pipe 61 includes air inlet 62 and 63 points of gas outlet 63, the air inlet 62 and the gas outlet
It is not arranged on the upper and lower ends of the circulation pipe 61.Meanwhile, the air inlet 62 is in the biomass combustion chamber 111, and the outlet
Mouth 63 is in the air chamber 112.
When work, burnt in the biomass combustion chamber 111 because biomass material A piles up, so
The temperature in the biomass combustion chamber 111 is higher than the temperature in the air chamber 112, and because the air inlet 62 is in the biomass fuel
In burning chamber 111, and the gas outlet 63 is in the air chamber 112, it is possible to stack effect is formed, by the circulation pipe 61
Gas in the biomass combustion chamber 111 is constantly drawn in the air chamber 112, this moment, the gas pressure of the air chamber 112
Increase makes the gas in the air chamber 112 in the combustion cavity 11 from the air chamber 112 to the direction of biomass combustion chamber 111
Flowing, so move in circles, to improve the combustion cavity 11 in gas cycle efficieny, improve efficiency of combustion.
The circulation pipe 61 is plugged in the biomass material A of the top of fire grate 50, meanwhile, the air inlet 62 is position
In biomass material A, so, in biomass material A formed biomass gas can by the circulation pipe 61 by
The biomass combustion chamber 111 is entered in the air chamber 112.
When being embodied as, the air inlet 62 and the gas outlet 63 are all disposed within the side pipe wall of circulation pipe 61,
The upper and lower ends head of the circulation pipe 61 is completely enclosed.
The air inlet 62 is angling hole, and the angling hole has entrance and outlet, and the entrance is arranged on the circulation pipe 61
On outer surface, the outlet is arranged on the inner surface of the circulation pipe 61.The position of the outlet is higher than the position of the entrance, in addition,
Some catch 64 are convexly equipped with the side pipe wall of the circulation pipe 61, each catch 64 is correspondingly arranged at the gas outlet
63 top.
The catch 64 is prevented from first biomass material A and blocks the gas outlet 63, meanwhile, when feeding intake,
When biomass material A is put into from top to bottom in the combustion cavity 11, can be former by the biomass by the catch 64
Material A is broken up so as to burn more abundant.
When being embodied as, the inner surface of the air inlet 62 is helical form inner face, and it is prevented from first the biology
Matter raw material A blocks the air inlet 62, in addition, it can also flow velocity of the lift gas in the air inlet 62.
In addition, sidewall channels 65 are offered on the side pipe wall of the circulation pipe 61, when the air inlet 62 and the gas outlet 63
When generation stopping state, the action of air inlet and outlet is carried out so as to reduce the failure of integral product by the sidewall channels 65
Rate.
The feed system 30 includes material feeding box 31, the first action door 32, the second action door 33 and exhaust tube 34, wherein,
The material feeding box 31 includes feeding mouth 311, discharging opening 312 and material chamber 313.
The feeding mouth 311 and the discharging opening 312 are separately positioned on the upper and lower ends in the material chamber 313.
The material chamber 313 is connected and positioned at the surface of the combustion cavity 11 with the combustion cavity 11.
The first action door 32 is arranged at the feeding mouth 311, and the second action door 33 is arranged at the discharging opening 312.
The exhaust tube 34 is connected on the side wall of the material feeding box 31, and on the exhaust tube 34 air exhauster 341 is provided with.
Biomass combustion furnace of the prior art its feeding part is all designed for unenclosed construction, when feeding part open into
Row feed intake action when, its burning furnace chamber directly connect with external environment condition, this moment, burn furnace chamber in remnants biomass
Gas can be leaking directly in environment, in turn result in atmosphere pollution, and can realize tail by the feed system 30 of the present invention
Gas zero, so as to the situation for preventing atmosphere pollution occur, is described in detail below.
The feed system 30 is carried out in accordance with the following steps when work, and first, the first action door 32 is opened and makes this
Material chamber 313 connects with external environment condition, and now, biomass material A is placed to the material chamber by operator by the feeding mouth 311
In 313, this moment, biomass material A is placed on the top of the second action door 33, and then, the first action door 32 is closed and makes this
Material chamber 313 isolates with external environment condition, and the action of air exhauster 341 carries out being evacuated makes the atmospheric pressure value in the material chamber 313 reach rated value,
Air content in the combustion cavity 11 is controlled with this, the oxygen debt burning in the combustion cavity 11 is entered in predefined conditions
OK.
Then, the second action door 33 is opened makes the material chamber 313 connect with the combustion cavity 11, and now, the biomass are former
Material A is dropped in the combustion cavity 11 by the discharging opening 312, and at the same time, the biogas in the combustion cavity 11 are known from experience logical
Cross the discharging opening 312 to enter in the material chamber 313.
This moment, closing the second action door 33 makes the material chamber 313 isolate with the combustion cavity 11, the action of air exhauster 341
Carrying out pumping makes biomass gas re-enter in the combustion cavity 11 by the exhaust gas circulation system 40.
Afterwards, then open the first action door 32 and carry out the action that feeds intake again, so move in circles, ensureing in the burning
Oxygen debt burning in chamber 11 ensure that tail gas zero-emission while can carrying out in predefined conditions, so as to strict atmospheric of shutting out
Pollution.
When being embodied as, on the material feeding box 31 gate slot 35 is provided with, the first action door 32 and this second move
Respectively activity is plugged in the gate slot 35 to make door 33, and by this kind of structure preferable sealing effectiveness can be reached.
The first action door 32 and the afterbody of the second action door 33 are connected respectively by connecting rod with motor 36.
The exhaust gas circulation system 40 is circulation pipe 41.
The circulation pipe 41 includes pumping pipe connected pipe 411, combustion chamber connecting tube 412, air chamber connecting tube 413 and supervisor
414.Wherein, the pumping pipe connected pipe 411 is connected between the supervisor 414 and the exhaust tube 34.
The combustion chamber connecting tube 412 is connected between the supervisor 414 and the biomass combustion chamber 111.
The air chamber connecting tube 413 is connected between the supervisor 414 and the air chamber 112.
The gas in gas and the biomass combustion chamber 111 in the material feeding box 31 can be entered by the circulation pipe 41
In the air chamber 112, to reach the effect of circulation of tail gas.
Claims (9)
1. a kind of efficient burning biomass gasifying furnace, it is characterised in that：Including body of heater, heating fuel system, feed system and
Exhaust gas circulation system, wherein, the body of heater has a combustion cavity, and the heating fuel system is arranged in the combustion cavity, and this enters
Material system is arranged on the body of heater top, and the exhaust gas circulation system is connected between the body of heater and the feed system, the biogas
Change stove when work, biomass material is put into first in the feed system, then enters into this by the feed system
In combustion cavity, the biomass material carries out the life after oxygen debt burning in the combustion cavity by the heating fuel system heating
Raw material of substance is gasified as biomass gas, and finally, the biomass gas are discharged from the body of heater and stored or direct
Burning is utilized,
The heating fuel system includes fire grate and internal gas flow circulation pipe unit, wherein, the fire grate is erected at the combustion cavity
Bottom, the fire grate includes some heating tubes, and some heating tubes are arranged parallel to each other, and is formed between any two heating tube
One whereabouts mouth, in each heating tube disrance sleeve is arranged with, and the fire grate also scrapes charcoal system including stirring, and the stirring scrapes charcoal
System includes drive part and moving head part, and the moving head part is connected with the drive part, and the drive part drives
The moving head part carries out action, and the moving head part includes some stirring action frames, each stirring action frame bottom
Coke scraping ring is connected with, the coke scraping ring is set in correspondingly on the disrance sleeve, and the coke scraping ring can be along the isolation
Charcoal action is back and forth scraped in the direction of sleeve pipe, and each stirring action frame includes upright tilting trestle and horizontal stirring body,
Wherein, the coke scraping ring is connected to the upright tilting trestle bottom, and the horizontal stirring body is connected between any two coke scraping ring, and
And, the horizontal stirring body is arranged on correspondingly in the whereabouts mouth,
When work, the biomass material is entered in the combustion cavity, and is piled up and carried out above some heating tubes
Oxygen debt burning, at the same time, the stirring scrape charcoal system interval time rating after action once, when the stirring scrapes charcoal system acting
When, the coke scraping ring is back and forth scraped charcoal action to remove the product on the disrance sleeve immediately along the direction of the disrance sleeve
Charcoal, the stirring action frame and the coke scraping ring synchronization action synchronous with this, and enter above the heating tube by the upright tilting trestle
Row stirring action, the biomass material above the heating tube is stirred enables the biomass material abundant with air
Contact is fully burnt, and also can make to complete to fall the whereabouts mouth under tailings burning and can not being burned in addition
In, meanwhile, the horizontal stirring body is synchronized with the movement with the upright tilting trestle, and is stirred in the whereabouts mouth by the horizontal stirring body
Tailings further falls down the combustion cavity bottom, to carry out removing for tailings.
2. a kind of efficient burning biomass gasifying furnace as claimed in claim 1, it is characterised in that：The drive part includes driving
Device and actuating strut, the actuating strut is connected between the driver and the moving head part, projection on the outer surface of the actuating strut
There are some convex thorns.
3. a kind of efficient burning biomass gasifying furnace as claimed in claim 1, it is characterised in that：The coke scraping ring includes outer ring body
And some inner ring blocks, wherein, the outer ring body is connected on the stirring action frame, between the outer ring body and each inner ring block
Spring is both provided with, the inner ring block is pressed on the disrance sleeve surface and carries out carbon removal action by the spring.
4. a kind of efficient burning biomass gasifying furnace as claimed in claim 1, it is characterised in that：The internal gas flow circulation pipe list
Unit is arranged in the combustion cavity and positioned at the fire grate top, and the combustion cavity includes biomass combustion chamber and air chamber,
Wherein, the biomass combustion chamber is located at the body of heater lower section, and the air chamber is located at the body of heater top, and the biomass material is piled up at this
Biomass combustion is burnt in chamber, and the internal gas flow circulation pipe unit includes some circulation pipes, and each circulation pipe is wrapped
Air inlet and gas outlet are included, the air inlet and the gas outlet are separately positioned on the upper and lower ends of the circulation pipe, meanwhile, this enters
Gas port is in the biomass combustion chamber, and the gas outlet is in the air chamber,
When work, piled up due to the biomass material and burnt in the biomass combustion chamber, so the biomass
The temperature of combustion chamber is in the biomass combustion chamber higher than the temperature in the air chamber because of the air inlet, and the outlet
Mouthful it is in the air chamber, it is possible to form stack effect, by the circulation pipe by the gas in the biomass combustion chamber
In being constantly drawn into the air chamber, this moment, the increase of the gas pressure of the air chamber makes the gas in the air chamber in the burning
From the air chamber to biomass combustion cavity direction flowing in chamber, so move in circles, to improve the combustion cavity in gas follow
Ring efficiency, improves efficiency of combustion,
The circulation pipe is plugged in the biomass material above the fire grate, meanwhile, the air inlet is to be located at the biomass
In raw material, so, the biomass gas formed in the biomass material can be by the circulation pipe by the biomass combustion chamber
In entering into the air chamber.
5. a kind of efficient burning biomass gasifying furnace as claimed in claim 4, it is characterised in that：The air inlet and the outlet
Mouth is all disposed within the circulation pipe side pipe wall, and the upper and lower ends head of the circulation pipe is completely enclosed, and the air inlet is angling hole, and this inclines
Inclined hole has entrance and outlet, and the entrance is arranged on the outer surface of the circulation pipe, and the outlet is arranged on the interior of the circulation pipe
On surface, the position of the outlet is higher than the position of the entrance, in addition, some catch are convexly equipped with the side pipe wall of the circulation pipe,
Each catch is correspondingly arranged at the top of the gas outlet,
The catch is prevented from first the biomass material and blocks the gas outlet, meanwhile, it is former in the biomass when feeding intake
When material is put into from top to bottom in the combustion cavity, the biomass material can be broken up by the catch so as to burn more
For abundant.
6. a kind of efficient burning biomass gasifying furnace as claimed in claim 5, it is characterised in that：The inner surface of the air inlet is
Helical form inner face, it is prevented from first the biomass material and blocks the air inlet, in addition, its can also lift gas enter at this
Flow velocity in gas port, in addition, offering sidewall channels on the side pipe wall of the circulation pipe.
7. a kind of efficient burning biomass gasifying furnace as claimed in claim 1, it is characterised in that：The feed system includes charging
Case, the first action door, the second action door and exhaust tube, wherein, the material feeding box includes feeding mouth, discharging opening and material chamber, should
Feeding mouth and the discharging opening are separately positioned on the upper and lower ends in the material chamber, and the material chamber is connected and positioned at this with the combustion cavity
The surface of combustion cavity, the first action door is arranged at the feeding mouth, and the second action door is arranged on the discharge outlet, should
Exhaust tube is connected on the side wall of the material feeding box, and on the exhaust tube air exhauster is provided with,
The feed system is carried out in accordance with the following steps when work, first, the first action door open make the material chamber with it is outer
Portion's environmental communication, now, operator is placed to the biomass material in the material chamber by the feeding mouth, this moment, the biomass
Raw material is placed on the second action door top, and then, the first action door is closed makes the material chamber isolate with external environment condition, the exhausting
It is motor-driven carry out being evacuated make the atmospheric pressure value in the material chamber reach rated value, the air content in the combustion cavity is controlled with this, make
Oxygen debt burning in the combustion cavity can be carried out in predefined conditions,
Then, the second action door is opened makes the material chamber connect with the combustion cavity, and now, the biomass material is by the discharging opening
In dropping into the combustion cavity, at the same time, the biogas cognition in the combustion cavity enters into the material by the discharging opening
In chamber, this moment, closing the second action door makes the material chamber isolate with the combustion cavity, and the air exhauster action carries out pumping and makes biology
Matter gas is re-entered in the combustion cavity by the exhaust gas circulation system,
Afterwards, then open the first action door and carry out the action that feeds intake again, so move in circles, in the combustion cavity is ensured
Oxygen debt burning ensure that tail gas zero-emission while can carrying out in predefined conditions, so as to the pollution of strict atmospheric of shutting out.
8. a kind of efficient burning biomass gasifying furnace as claimed in claim 7, it is characterised in that：Door is provided with the material feeding box
Respectively activity is plugged in the gate slot for groove, the first action door and the second action door, the first action door and this second
Action door afterbody is connected respectively by connecting rod with motor.
9. a kind of efficient burning biomass gasifying furnace as claimed in claim 4, it is characterised in that：The exhaust gas circulation system is to follow
Endless tube, the circulation pipe includes pumping pipe connected pipe, combustion chamber connecting tube, air chamber connecting tube and supervisor, wherein, the exhaust tube
Connecting tube is connected between the supervisor and the exhaust tube, the combustion chamber connecting tube be connected to the supervisor and the biomass combustion chamber it
Between, the air chamber connecting tube is connected between the supervisor and the air chamber, the gas and the biomass combustion in the material feeding box
Gas in chamber can be entered in the air chamber by the circulation pipe, to reach the effect of circulation of tail gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611019227.6A CN106635173A (en) | 2016-11-21 | 2016-11-21 | Biomass gasification furnace with efficient combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611019227.6A CN106635173A (en) | 2016-11-21 | 2016-11-21 | Biomass gasification furnace with efficient combustion |
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| CN106635173A true CN106635173A (en) | 2017-05-10 |
Family
ID=58808891
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611019227.6A Pending CN106635173A (en) | 2016-11-21 | 2016-11-21 | Biomass gasification furnace with efficient combustion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130416A (en) * | 2017-12-25 | 2018-06-08 | 郑旦 | The processing unit of neodymium iron boron superfine powder waste material |
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