CN206219523U - A kind of efficient burning biomass gasifying furnace - Google Patents

Abstract

The utility model is related to a kind of efficient burning biomass gasifying furnace, it includes body of heater, heating fuel system, feed system and exhaust gas circulation system, wherein, the body of heater has a combustion cavity, the heating fuel system is arranged in the combustion cavity, the feed system is arranged on body of heater top, the exhaust gas circulation system is connected between the body of heater and the feed system, the biomass gasifying furnace is when work, biomass material is put into the feed system first, then entered into the combustion cavity by the feed system, the biomass material oxygen debt burning is carried out by heating fuel system heating in the combustion cavity after the biomass material to be gasified be biomass gas, finally, the biomass gas are discharged from the body of heater and are stored or utilized by directly burning.

Description

A kind of efficient burning biomass gasifying furnace

Technical field

The utility model 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 in agriculture and forestry production process lignocellulosic, the farming industries such as stalk, the trees in addition to grain, fruit 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 Several major classes 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 that living matter derives from, drains and is metabolized.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 production efficiency not high, processing mode backwardness, thermal efficiency conversion are there is some biomass treatment apparatus for occurring at present more The low shortcomings of rate.

Utility model content

The utility model provides a kind of efficient burning biomass gasifying furnace, and biomass material can be carried out efficient gas by it Change, and then turn waste into wealth while preventing the phenomenon of atmosphere pollution, and it is main purpose of the present utility model that this is exactly.

The technical scheme that the utility model is used for：A kind of efficient burning biomass gasifying furnace, including body of heater, heating combustion Burning system, feed system and exhaust gas circulation system, wherein, the body of heater has a combustion cavity, and the heating fuel system is set In the combustion cavity, the feed system is arranged on body of heater top, and the exhaust gas circulation system is connected to the body of heater and the charging Between system, the biomass gasifying furnace when work, put into the feed system first, then passes through by biomass material The feed system is entered into the combustion cavity, the biomass material in the combustion cavity by the heating fuel system heat into It is biomass gas that the biomass material is gasified after burning that row is oxygen debt, and finally, the biomass gas are discharged from the body of heater Stored or 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, disrance sleeve is arranged with each heating tube, the fire grate also scrapes charcoal system including stirring, the stirring Scraping charcoal system includes drive part and moving head part, and the moving head part is connected with the drive part, the drive part The moving head part is driven to be acted, 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 on the disrance sleeve correspondingly, 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 in the whereabouts mouthful correspondingly.

When work, the biomass material is entered into the combustion cavity, and is piled up above some heating tubes Oxygen debt burning is carried out, at the same time, the stirring is scraped charcoal system and acted once after time rating is spaced, 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 stirrings are acted, and the biomass material above the heating tube is stirred enables the biomass material and air It is fully contacted and is fully burnt, can also makes to fall the whereabouts under tailings that is that completion is burnt and can not being burned in addition Mouthful in, meanwhile, the horizontal stirring body is synchronized with the movement with the upright tilting trestle, and by the horizontal stirring body stir the whereabouts mouth in Tailings further fall the combustion cavity bottom down, to carry out the removal of 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 spring is both provided between the outer ring body and each inner ring block, and the spring will The inner ring block is pressed on the disrance sleeve surface and carries out carbon removal action.

Internal gas flow circulation pipe unit is arranged in the combustion cavity and positioned at fire grate top, the combustion cavity bag Biomass combustion chamber and air chamber are included, wherein, the biomass combustion chamber is located at 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 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 into 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 and flowed from the air chamber to the biomass combustion cavity direction in inner chamber, so move in circles, to improve gas in the combustion cavity 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 Chamber is burnt to enter into 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 completely 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 a top for 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 into 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 the biomass material and blocks the air inlet first, 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, and 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 exhausting is provided with the exhaust tube 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 Connected with external environment condition, now, by the feeding mouth be placed in the material chamber biomass material by operator, this moment, the life Raw material of substance is placed on the second action door top, and then, the first action door is closed and the material chamber is isolated with external environment condition, should Air exhauster action be evacuated and the atmospheric pressure value in the material chamber is reached rated value, controls the air in the combustion cavity to contain with this 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 Connected with the combustion cavity, now, the biomass material is dropped into the combustion cavity by the discharging opening, at the same time, the combustion Burn the cognition of the biogas in inner chamber to be entered into the material chamber by the discharging opening, this moment, closing the second action door makes the material Chamber isolates with the combustion cavity, and air exhauster action carries out pumping makes biomass gas be reentered by the exhaust gas circulation system To in the combustion cavity, afterwards, then open this first action door carry out the action that feeds intake again, so move in circles, ensure this 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, activity is plugged in the gate slot respectively for the first action door and the second action door In, the first action door and the second action door afterbody are connected by connecting rod with motor respectively.

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.

The beneficial effects of the utility model are：The fire grate of the present utility model integrates the function of carbon removal and stirring, existing The fire grate for having technology only includes some heating tubes, and clearly, such heating tube is after a period of time that works for its shortcoming Its surface will necessarily produce a large amount of carbon deposits, if not processing carbon deposit necessarily occurs the problems such as efficiency of heating surface reduction, and want Treatment carbon deposit has to carry out blowing out, so has a strong impact on production efficiency, and biomass material of the prior art is all heap in addition What product was burnt above heating tube, and this combustion system can not only make burning cmpletely burn tailings simultaneously often Heating tube top is stacked on, and then deslagging inconvenience occurs, the problems, the stove of the present utility model such as efficiency of combustion reduction Arranging in a row carbon removal can completely avoid the generation of above mentioned problem with the function of stirring in one.Other the utility model work when Wait, piled up due to the biomass material and burnt in the biomass combustion chamber, so the temperature in the biomass combustion chamber is high Temperature in the air chamber, and because the air inlet is in the biomass combustion chamber, and the gas outlet is in the gas In chamber, it is possible to forming stack effect, the gas in the biomass combustion chamber is constantly drawn into the gas by the circulation pipe In body cavity, this moment, the gas pressure increase of the air chamber makes the gas in the air chamber in the combustion cavity by the air chamber Flowed to the biomass combustion cavity direction, so moved in circles, to improve gas circulation efficiency in the combustion cavity, improve burning Efficiency.

It is worth noting that biomass combustion furnace of the prior art its feeding part is all for unenclosed construction is designed, when entering Material is partially opened when feed 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 into environment, in turn results in atmosphere pollution, and by the charging of the present utility model System can realize tail gas zero-emission.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model biomass gasifying furnace.

Fig. 2 is the dimensional decomposition structure diagram of the utility model biomass gasifying furnace.

Fig. 3 is the structural representation that the utility model stirring scrapes charcoal system.

Fig. 4 is the structural representation of the utility model circulation pipe.

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 the feed system 30 biomass gasifying furnace 100 first, and Entered into the combustion cavity 11 by the feed system 30 afterwards, biomass material A is heated in the combustion cavity 11 by this It is biomass gas that the heating of combustion system 20 carry out biomass material A after oxygen debt burning to be gasified, 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 includes 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 driving moving head part 56 is carried 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 on the disrance sleeve 53 correspondingly, 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 horizontal 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 in whereabouts mouthful 52 correspondingly.

The fire grate 50 of the present utility model integrates the function of carbon removal and stirring, if the fire grate of prior art only includes Dry heating tube, clearly, such heating tube will necessarily produce a large amount of products in its surface to its shortcoming after a period of time that works Charcoal, if not processing carbon deposit necessarily occurs the problems such as efficiency of heating surface reduction, and will process carbon deposit and have to carry out blowing out, Production efficiency is so had a strong impact on, biomass material of the prior art is all deposited in the burning of heating tube top in addition, and This combustion system can not only make burning, and cmpletely burning tailings is often also stacked on heating tube top simultaneously, and then Generation deslagging is inconvenient, the problems such as efficiency of combustion reduction, the function of the fire grate 50 collection carbon removal of the present utility model and stirring The generation of above mentioned problem can be completely avoided in one, is described in detail below.

When work, biomass material A is entered into the combustion cavity 11 the utility model, and is piled up some The top of heating tube 51 carries out oxygen debt burning, and at the same time, the stirring is scraped charcoal system 54 and acted once after time rating is spaced, When the stirring scrapes charcoal system 54 to be acted, the coke scraping ring 58 is back and forth scraped charcoal and is acted along the direction of the disrance sleeve 53 It is synchronous with this to remove the carbon deposit on the disrance sleeve 53 immediately, the stirring action frame 57 and the synchronization action of coke scraping ring 58, and Stirring action is carried out in the top of heating tube 51 by the upright tilting trestle 571, makes the biomass of the top of heating tube 51 former Material A can be stirred to be enable biomass material A to be fully contacted with air fully to be burnt, also completion can in addition fired In falling whereabouts mouthful 52 under the burn and tailings that can not be burned, meanwhile, the horizontal stirring body 572 and the upright stirring Frame 571 is synchronized with the movement, and is further fallen in the burning down by the tailings in the horizontal agitation of stirring body 572 whereabouts mouthful 52 The bottom of chamber 11, to carry out the removal of tailings.

When specific real, the drive part 55 includes driver 551 and actuating strut 552, and the actuating strut 552 is connected 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 specific real, the driver 551 can be motor, cylinder etc..

When specific 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 spring 583 is both provided between the outer ring body 581 and each inner ring block 582, The inner ring block 582 is pressed on the surface of disrance sleeve 53 and carries out carbon removal action by the spring 583.

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.

Internal gas flow circulation pipe unit 60 includes some circulation pipes 61.

Each circulation pipe 61 includes 63 points of air inlet 62 and gas outlet 63, the air inlet 62 and the gas outlet The upper and lower ends of the circulation pipe 61 are not arranged on.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 into the air chamber 112, this moment, the gas pressure of the air chamber 112 Increase make 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 moves in circles, and to improve gas circulation efficiency in the combustion cavity 11, improves 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 into the air chamber 112.

When specific implementation, 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 biomass material A and blocks the gas outlet 63 first, meanwhile, when feeding intake, When biomass material A puts into the combustion cavity 11 from top to bottom, can be former by the biomass by the catch 64 Material A is broken up so as to burn more abundant.

When specific implementation, the inner surface of the air inlet 62 is helical form inner face, and it is prevented from the biology first 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, first action door 32, 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 air exhauster 341 is provided with the exhaust tube 34.

Biomass combustion furnace of the prior art its feeding part all for unenclosed construction is designed, when feeding part open into Row is fed intake when action, and its burning furnace chamber is directly connected with external environment condition, this moment, remaining biomass in burning furnace chamber Gas can be leaking directly into environment, in turn result in atmosphere pollution, and can be real by the feed system 30 of the present utility model Existing tail gas zero-emission, so as to the situation for preventing pollution air 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 is connected 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 air exhauster 341 action be evacuated and the atmospheric pressure value in the material chamber 313 is reached 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 and the material chamber 313 is connected with the combustion cavity 11, and now, the biomass are former Material A is dropped into the combustion cavity 11 by the discharging opening 312, and at the same time, the biogas in the combustion cavity 11 know from experience logical The discharging opening 312 is crossed to enter into the material chamber 313.

This moment, closing the second action door 33 makes the material chamber 313 isolate with the combustion cavity 11, and the air exhauster 341 is acted In carrying out pumping and biomass gas is re-entered into the combustion cavity 11 by the exhaust gas circulation system 40.

Afterwards, then open this first action door 32 carry out the action that feeds intake again, so move in circles, guarantee the burning in Oxygen debt burning in chamber 11 ensure that tail gas zero-emission while can carrying out in predefined conditions, so that strict atmospheric of shutting out Pollution.

Specific implementation when, be provided with gate slot 35 on the material feeding box 31, this first action door 32 and this second move Activity is plugged in the gate slot 35 respectively to make door 33, and preferable sealing effectiveness can be reached by this kind of structure.

The first action door 32 and the second action afterbody of door 33 are connected by connecting rod with motor 36 respectively.

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 body of heater top, and the exhaust gas circulation system is connected between the body of heater and the feed system,

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, disrance sleeve is arranged with each heating tube, 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 is acted, 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 on the disrance sleeve correspondingly, 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 in the whereabouts mouthful correspondingly.

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 are 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 It is both provided with 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 fire grate top, and the combustion cavity includes biomass combustion chamber and air chamber, Wherein, the biomass combustion chamber is located at body of heater lower section, and the air chamber is located at body of heater top, and the biomass material is piled up at this Biomass combustion is burnt in chamber, and 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.

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 a top for the gas outlet.

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.

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 air exhauster is provided with the exhaust tube.

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 Groove, this first action door and this second action door respectively activity be plugged in the gate slot, this first action door and this second Action door afterbody is connected by connecting rod with motor respectively.

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.