阅读说明：本技术 一种自动出渣型生物质气化炉 (Automatic slag discharging type biomass gasification furnace ) 是由 梁清仁 于 2019-11-05 设计创作，主要内容包括：本发明提出了一种自动出渣型生物质气化炉,包括炉体和料斗,炉体的下料区设有下斜设置的导料炉墙,导料炉墙用于均匀分布燃料,导料炉墙下方设有推渣机构；气化区设有上斜设置的炉排底板,炉排底板下方设有底火点火器,推渣机构将导料炉墙中均匀布下的燃料在炉排底板由下往上推进；在炉排底板尾端上方的炉体上设有出气口,出气口连接喷火嘴；碎渣区设有位于炉排底板末端下方的碎渣机构和碎渣机构下的碎渣收集框,碎渣机构用于接收推渣机构推下的燃烧残渣,碎渣区底部设有水密封层,以防止可燃气体漏气。本发明通过新型喷火嘴、推渣机构和碎渣机构共同作用,实现高效工作,同时配合各种冷风或冷水冷却系统,有效延长了气化炉整体的使用寿命。(The invention provides an automatic slag-discharging type biomass gasification furnace, which comprises a furnace body and a hopper, wherein a blanking area of the furnace body is provided with a guide furnace wall which is obliquely arranged downwards, the guide furnace wall is used for uniformly distributing fuel, and a slag pushing mechanism is arranged below the guide furnace wall; the gasification zone is provided with a grate bottom plate which is obliquely arranged at the upper part, a primer igniter is arranged below the grate bottom plate, and the slag pushing mechanism pushes the fuel uniformly distributed in the guide furnace wall from bottom to top on the grate bottom plate; an air outlet is arranged on the furnace body above the tail end of the grate bottom plate and is connected with a flame nozzle; the slag crushing area is provided with a slag crushing mechanism positioned below the tail end of the bottom plate of the fire grate and a slag crushing collecting frame positioned below the slag crushing mechanism, the slag crushing mechanism is used for receiving combustion residues pushed by the slag pushing mechanism, and the bottom of the slag crushing area is provided with a water sealing layer to prevent combustible gas from leaking. The invention realizes high-efficiency work through the combined action of the novel flame nozzle, the slag pushing mechanism and the slag crushing mechanism, and effectively prolongs the service life of the whole gasifier by matching with various cold air or cold water cooling systems.)

1. The utility model provides an automatic slag type biomass gasification stove which characterized in that, includes furnace body (1) and locates hopper (2) on furnace body (1), including unloading district, gasification district, disintegrating slag district in furnace body (1), wherein:

the blanking area is provided with a guide furnace wall (3) which is obliquely arranged downwards, the guide furnace wall (3) is used for uniformly distributing the biomass fuel conveyed by the distribution hopper (2), and a slag pushing mechanism (5) is arranged below the guide furnace wall (3);

the gasification area is provided with a grate bottom plate (6) which is obliquely arranged upwards, a primer igniter (7) is arranged below the grate bottom plate (6), and the slag pushing mechanism (5) pushes fuel uniformly distributed on the guide furnace wall (3) upwards on the grate bottom plate; an air outlet is arranged on the furnace body (1) above the tail end of the grate bottom plate (6), the air outlet is connected with a flame spray nozzle (8), the combustible gas obtained by gasification is ignited automatically through the flame spray nozzle (8), and flame generated by combustion is sprayed out from the flame spray nozzle (8);

the slag crushing area is provided with a slag crushing mechanism (9) located below the tail end of the grate bottom plate (6) and a slag crushing collecting frame (10) located below the slag crushing mechanism (9), the slag crushing mechanism (9) is used for receiving combustion residues pushed by the slag pushing mechanism (5), and the bottom of the slag crushing area is provided with a water sealing layer (11).

2. The biomass gasification furnace according to claim 1, wherein a feeding mechanism (4) is arranged between the hopper (2) and the material guiding furnace wall (3), the feeding mechanism (4) comprises a feeding motor (401) and a feeding stranding cage (402) driven by the feeding motor (401), and the feeding stranding cage (402) is used for feeding the fuel in the hopper (2) to the material guiding furnace wall (3) to realize uniform distribution.

3. The biomass gasification furnace according to claim 1, wherein the slag pushing mechanism (5) comprises a slag pushing head (501), a slag pushing rod (502), a fixing frame (503) and a slag pushing motor (504), the slag pushing head (501) is arranged between the guide furnace wall (3) and the grate bottom plate (6), the bottom of the slag pushing head (501) is tightly attached to the grate bottom plate (6) and can slide on the grate bottom plate (6), the head end of the slag pushing rod (502) is connected with the slag pushing head (501), the tail end of the slag pushing rod (502) is connected with the slag pushing motor (504), and the fixing frame (503) is respectively connected with the guide furnace wall (3) and the grate bottom plate (6) and used for fixing the slag pushing motor (504).

4. The biomass gasification furnace according to claim 3, wherein the slag pushing motor (504) is a linear push rod motor, and a high temperature resistant pulley is arranged between the slag pushing head (501) and the grate bottom plate (6).

5. The biomass gasification furnace according to claim 1, wherein a plurality of gap leaks (601) are arranged on the grate bottom plate (6), and a dry slag cleaning opening (101) is arranged on the furnace wall (1).

6. The biomass gasification furnace according to claim 1, wherein the slag crushing mechanism (9) comprises two slag crushing wheels (901), two rolling plates (902) and a slag crushing motor (903), the two rolling plates (902) are respectively arranged at two sides of the slag crushing wheels (901) and are in contact with the slag crushing wheels (901), the slag crushing wheels (901) and the rolling plates (902) are mutually matched to form a V-shaped slag crushing area, the combustion residues are rolled and crushed, and the crushed combustion residues leak out from a gap between the slag crushing wheels (901) and the rolling plates (902) to enter the water sealing layer (11) and sink to the slag collecting frame (10); the slag crushing wheel (901) is of an internal hollow structure, wheel shafts at two ends of the slag crushing wheel (901) are respectively provided with a water inlet channel and a water outlet channel, the water inlet channel is connected with a cooling water inlet joint (906), the water outlet channel is connected with a cooling water outlet joint (907), in addition, the surface of the slag crushing wheel (901) is provided with a plurality of vertical slag crushing teeth (904), and a groove (905) matched with the slag crushing teeth (904) to pass through is arranged on the rolling plate (902).

7. The biomass gasification furnace according to claim 1, wherein the flame nozzle (8) comprises a mounting flange (801), an air inlet pipe (802), a bellows pipe (803), a flare pipe (804) and a combustion pipe (805), the mounting flange frame (801) is arranged on the furnace body (1) and sleeved at the inlet end of the air inlet pipe (802), the small-caliber end of the flare pipe (804) is connected with the outlet end of the air inlet pipe (802), the bellows pipe (803) is sleeved at the opening section of the air inlet pipe (802), the bellows pipe (803) is connected with an air distribution pipe (806), and a combustible gas igniter (809) is arranged at the connection position of the air distribution pipe (806) and the bellows pipe (803); the combustion pipe (805) is sleeved on the outlet section of the air inlet pipe (802), the large-caliber end of the horn pipe (804) is connected with the inner pipe wall of the combustion pipe (805), two ends of the air box pipe (803) are respectively connected with the mounting flange (801) and the combustion pipe (805) to form a sealing interval, in addition, the pipe wall of the outlet section of the air inlet pipe (802) is provided with air mixing holes (807), and the pipe wall of the horn pipe (804) is provided with air guide holes (808).

8. The biomass gasification furnace according to claim 1, wherein the primer igniter (7) is a diesel igniter.

9. The material gasification furnace according to claim 3, wherein a temperature monitor (102) is arranged on the furnace body (1) of the gasification zone, the temperature monitor (102) is connected with a PLC controller, and the PLC controller is connected with the primer igniter (7); the feeding motor (401) and the slag pushing motor (504) are also connected with the PLC.

10. The biomass gasification furnace according to claim 1, wherein the blanking area is provided with an air blower (12) below the slag pushing mechanism (5), the bottom of the furnace body (1) is provided with a high temperature resistant sliding wheel (13), and a water cooling system (14) consisting of water cooling pipes is arranged in the furnace top and the material guiding furnace wall (3) of the furnace body (1).

Technical Field

The invention relates to a gasification furnace, in particular to an automatic slag discharging type biomass gasification furnace.

Background

At present, more and more gasification furnaces adopting straw and other agricultural and forestry wastes and leftovers as fuels fully utilize renewable resources, save energy and meet the trend of developing and utilizing renewable new energy advocated at present.

Most of the existing gasification furnaces have the following defects:

1. the gasification furnace has the problems that due to the unreasonable structural design of the flame spray nozzle, the combustion of the gas is insufficient, the flame spray nozzle is not durable due to heat accumulation of the flame spray nozzle, the gasification combustion machine cannot automatically ignite, or an igniter is easy to damage;

2. the gasification furnace is not provided with an efficient automatic slag crusher, so that continuous production work cannot be realized, the furnace needs to be stopped for cleaning when the coke blocks left after combustion are too large, and the working efficiency is influenced;

3. a slag pushing mechanism of the gasification furnace needs to bear high temperature during working, is easy to deform and reduces the service life; the slag pusher is integrally pushed on the bottom plate of the fire grate, so that the bottom plate of the fire grate is easily abraded, and the pushing is labor-consuming.

4. The gasification furnace has no problems of automatic ignition when igniting the bottom fire and automatic ignition and ignition detection after gasification.

Disclosure of Invention

In view of the above, the invention provides an automatic slag-discharging biomass gasification furnace, which solves the problems that in the prior art, a gasification furnace fire nozzle is unreasonable in design, a slag crusher is low in efficiency, a slag pushing mechanism is easy to deform and clamp, and the like.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides an automatic go out sediment type biomass gasification stove, includes the furnace body and locates the hopper on the furnace body, including unloading district, gasification zone, disintegrating slag district in the furnace body, wherein:

the blanking area is provided with a guide furnace wall which is arranged obliquely downwards, the guide furnace wall is used for homogenizing the biomass fuel in the hopper so as to uniformly distribute the fuel, and a slag pushing mechanism is arranged below the guide furnace wall;

the gasification zone is provided with a grate bottom plate which is obliquely arranged at the upper part, a primer igniter is arranged below the grate bottom plate, and the slag pushing mechanism pushes the fuel uniformly distributed on the guide furnace wall to the upper part on the grate bottom plate; the furnace body above the tail end of the grate bottom plate is provided with a gas outlet which is connected with a flame spray nozzle, combustible gas obtained by gasification in the gasification area enters the flame spray nozzle through the gas outlet and is ignited and combusted automatically through the flame spray nozzle, and flame generated by combustion is sprayed out from the flame spray nozzle.

The slag crushing area is provided with a slag crushing mechanism positioned below the tail end of the bottom plate of the fire grate and a slag crushing collecting frame positioned below the slag crushing mechanism, the slag crushing mechanism is used for receiving combustion residues pushed by the slag pushing mechanism, and the bottom of the slag crushing area is provided with a water sealing layer to prevent combustible gases such as carbon monoxide and hydrogen from escaping.

Preferably, a feeding mechanism is arranged between the hopper and the material guide furnace wall, the feeding mechanism comprises a feeding motor and a feeding stranding cage driven by the feeding motor, and the feeding stranding cage is used for feeding fuel in the hopper to the material guide furnace wall to realize uniform distribution, so that the problem of local concentrated stacking of the gasification furnace is solved.

Preferably, the slag pushing mechanism comprises a slag pushing head, a slag pushing rod, a fixing frame and a slag pushing motor, the slag pushing head is arranged between the guide furnace wall and the grate bottom plate, the bottom of the slag pushing head is attached to the grate bottom plate and can slide on the grate bottom plate, the head end of the slag pushing rod is connected with the slag pushing head, the tail end of the slag pushing rod is connected with the slag pushing motor, and the fixing frame is respectively connected with the guide furnace wall and the grate bottom plate and used for fixing the slag pushing motor.

The slag pushing motor can be a linear push rod motor, and the linear reciprocating motion of the slag pushing rod is realized by using the driving principle of a worm gear and a worm; the high-temperature resistant pulley is arranged between the slag pushing head and the bottom plate of the grate, so that the problem that the bottom plate of the grate is abraded due to strong pushing when the slag pushing head pushes slag or the slag pushing rod needs to bear huge pushing force under large friction force to cause the slag pusher to deform and the slag pushing head to be clamped is solved; in addition, a plurality of gap leaks are arranged on the bottom plate of the fire grate and used for discharging fine dry slag, so that the pushing head can be pushed more smoothly, and a dry slag cleaning port is arranged on the furnace body to clean the falling fine dry slag.

Preferably, the slag crushing mechanism comprises two slag crushing wheels, a grinding plate and a slag crushing motor, the two grinding plates are respectively arranged on two sides of the slag crushing wheels and are in contact with the slag crushing wheels, the slag crushing wheels and the grinding plate are mutually matched to form a V-shaped slag crushing area, the combustion residues are ground, and the crushed combustion residues leak out from a gap between the slag crushing wheels and the grinding plate, enter the water sealing layer and sink to the slag crushing collecting frame; the disintegrating slag wheel is an internal hollow structure, the wheel shafts at the two ends of the disintegrating slag wheel are respectively provided with a water inlet channel and a water outlet channel, the water inlet channel is connected with a cooling water inlet joint, the water outlet channel is connected with a cooling water outlet joint, the cooling is realized through water cooling, a water circulation cooling structure is adopted, and the problem that the disintegrating slag wheel deforms or melts during long-time work is avoided. In addition, the disintegrating slag wheel be equipped with a plurality of vertically disintegrating slag teeth on the surface, rolling plate be equipped with on with the cooperation of disintegrating slag tooth passes through the groove, through disintegrating slag wheel and rolling plate and the cooperation of disintegrating slag tooth and groove, realize the efficient disintegrating slag purpose of large tracts of land.

Preferably, the flame nozzle comprises a mounting flange, an air inlet pipe, an air box pipe, a flare pipe and a combustion pipe, wherein the mounting flange is erected on the furnace body and sleeved at the inlet end of the air inlet pipe, the small-caliber end of the flare pipe is connected with the outlet end of the air inlet pipe, the air box pipe is sleeved at the opening section of the air inlet pipe, the air box pipe is connected with an air distribution pipe, and a combustible gas igniter is erected at the joint of the air distribution pipe and the air box pipe; the combustion pipe is sleeved on the outlet section of the air inlet pipe, the large-caliber end of the horn pipe is connected with the inner pipe wall of the combustion pipe, the two tail ends of the air box pipe are respectively connected with the mounting flange and the combustion pipe to form a sealed area, in addition, the pipe wall of the outlet section of the air inlet pipe is provided with air mixing holes, and the pipe wall of the horn pipe is provided with air guide holes. The produced combustible gas of gasifier enters into the bocca through the intake pipe, and the oxygen that gets into from the gas mixing hole afterwards mixes with combustible gas, and the siphon effect of rethread horn pipe attracts to the burner tube from the air guide hole, even also can realize normal burning under the condition of no draught fan. Fresh air is injected into the air box pipe from the air distribution pipe, the burner is cooled, oxygen is heated, the service life of the burner is prolonged, smooth combustion is facilitated, and gasification combustion efficiency is improved.

Preferably, the primer igniter is a diesel igniter, so that the problems of large primer smoke, difficult ignition and the like during ignition of the gasification furnace are solved; a temperature monitor is arranged on a furnace body of the gasification area, the temperature monitor is connected with a PLC (programmable logic controller), the PLC is connected with the primer igniter, the temperature monitor monitors the temperature after the primer igniter is ignited, if the temperature does not reach a preset temperature, the ignition failure is indicated, a user can ignite with a secondary ignition function, and if the secondary ignition failure occurs, the system is locked to prompt the state to be repaired to enter; when the temperature reaches the preset temperature after ignition, the ignition is successful, and then the work is normally carried out; the feeding motor and the slag pushing motor are also connected with the PLC, the rotating speed of the feeding motor is accelerated when the temperature monitor monitors that the gasification area reaches a drying condition, the feeding amount is increased, the slag pushing motor is started to push fuel to be pushed forwards when the temperature monitor monitors that the temperature of the gasification area reaches the gasification condition, the fuel is subjected to pyrolysis and anaerobic gasification in sequence in the process, the gasified combustion residue is pushed to the slag crushing mechanism, and combustible gas generated by gasification enters the flame jet nozzle for combustion.

Preferably, the blanking area is arranged below the slag pushing mechanism, an air blower is arranged below the slag pushing mechanism and used for providing oxygen for a drying section at the initial position of the bottom plate of the grate, the slag pushing mechanism is cooled by cold air, a high-temperature resistant sliding wheel is arranged at the bottom of the furnace body, and a water cooling system formed by water cooling pipes is inserted into the top of the furnace body and the wall of the material guiding furnace in a penetrating manner, so that the furnace body of the whole gasification furnace is cooled, and the service life of the whole gasification furnace is prolonged.

Compared with the prior art, the invention has the beneficial effects that:

(1) the combustion flame-throwing nozzle of the gasification furnace can ensure that combustible gas is uniformly and fully oxygenated for combustion when being conveyed to the flame-throwing nozzle; the flame nozzle has the functions of automatic ignition and automatic ignition detection, adopts the vortex flow guiding technology, can normally burn without a draught fan, and simultaneously can cool by inputting normal temperature air, thereby overcoming the problem that the flame nozzle is not durable due to accumulated heat of the flame nozzle;

(2) the water cooling system of the gasifier body: the cooling system cools the automatic slag crushing mechanism and each key heated part of the hearth;

(3) the efficient work is realized by arranging the slag crusher, and the problem that the machine needs to be stopped for cleaning when large coke blocks are encountered is solved; the V-shaped slag crushing area can well receive slag blocks pushed by the slag pusher, the stable operation of slag crushing is ensured, the turning of the slag crushing is realized by the rolling of the slag crushing wheel, and crushed coke blocks leak to the lower part of the slag crusher from a gap between the slag crushing wheel and the rolling plate;

(4) the high-temperature resistant pulley is arranged below the slag pushing head of the slag pushing mechanism, so that the problems of grate bottom plate abrasion caused by strong pushing and overload operation of a slag pushing rod under stress are solved; the bottom plate of the fire grate is provided with clearance leaks, so that accumulated ash can be conveniently discharged, and the pushing of the slag head is prevented from being difficult;

(5) the gas mixing hole and the gas guide hole arranged on the flame nozzle realize the full mixing of the gas, thereby overcoming the problem of insufficient combustion of the gasification burner; the temperature is reduced by the input normal temperature air, so that the problem that the fire nozzle is not durable due to heat accumulation of the fire nozzle is solved.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of a burner according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural view of a slag crushing mechanism according to a preferred embodiment of the present invention.

In the figure: 1-furnace body; 101-dry slag cleaning port; 102-a temperature monitor; 2-a hopper; 3-a material guiding furnace wall; 4-a feeding mechanism; 401-a feed motor; 402-feeding stranding cage; 5-a slag pushing mechanism; 501, pushing a slag head; 502-pushing the slag rod; 503-a holder; 504-slag pushing motor; 6-a grate bottom plate; 601-gap leakage; 7-primer igniter; 8-a flame nozzle; 801-mounting flange; 802-air inlet pipe; 803-bellows tube; 804-a flare; 805-a burner tube; 806-air distribution pipes; 807-air mixing holes; 808-air vents; 809-a combustible gas igniter; 9-a slag crushing mechanism; 901-a slag crushing wheel; 902-rolling plate; 903-a slag crushing motor; 904-teeth of disintegrating slag; 905-groove; 906-cooling water inlet joint; 907-cooling water outlet joint; 10-a disintegrating slag collecting frame; 11-a water-tight layer; 12-a blower; 13-high temperature resistant sliding wheel; 14-water cooling system.

Detailed Description

In order to make the present invention more clear and intuitive for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

A preferred embodiment of the present invention is shown in fig. 1-3.

The utility model provides an automatic go out sediment type biomass gasification stove, includes furnace body 1 and locates hopper 2 on the furnace body 1, including unloading district, gasification district, disintegrating slag district in the furnace body 1, wherein:

the blanking area is provided with a guide furnace wall 3 which is arranged obliquely downwards, the guide furnace wall 3 is used for receiving fuel in the hopper 2 and distributing the fuel evenly, feeding is realized between the guide furnace wall 3 and the hopper 2 through a feeding mechanism 4, the feeding mechanism comprises a feeding motor 401 and a feeding stranding cage 402 driven by the feeding motor 401, the feeding stranding cage 402 sends the fuel in the hopper 2 to the guide furnace wall 3 to realize blanking, and a slag pushing mechanism 5 which comprises a slag pushing head 501, a slag pushing rod 502, a fixing frame 503 and a slag pushing motor 504 is arranged below the guide furnace wall 3;

the gasification area is provided with a grate bottom plate 6 which is obliquely arranged at the upper part, a primer igniter 7 is arranged below the grate bottom plate 6, and the slag pushing mechanism 5 moves the fuel distributed in the material guiding furnace wall 3 from the lower part to the upper part of the grate bottom plate 6; an air outlet is arranged on the furnace body 1 above the tail end of the grate bottom plate 6 of the gasification area, the air outlet is connected with a flame nozzle 8, and flame generated by combustion of combustible gas obtained by ignition and gasification is sprayed out from the flame nozzle 8;

the disintegrating slag district is equipped with disintegrating slag mechanism 9 and disintegrating slag collection frame 10 under the disintegrating slag mechanism 9 that are located grate bottom plate 6 end below, and disintegrating slag mechanism 9 is used for receiving the burning residue that pushes away sediment mechanism 5 and pushes down, and disintegrating slag district bottom is equipped with water sealing layer 11, prevents combustible gas such as carbon monoxide, hydrogen and escapes.

Specifically, in the slag pushing mechanism 5, the slag pushing head 51 is arranged between the material guiding furnace wall 3 and the grate bottom plate 6, the bottom of the slag pushing head 501 is attached to the grate bottom plate 6 and can slide on the grate bottom plate 6, the head end of the slag pushing rod 502 is connected with the slag pushing head 501, the tail end of the slag pushing rod 502 is connected with the slag pushing motor 504, and the fixing frame 503 is respectively connected with the material guiding furnace wall 3 and the grate bottom plate 6 and used for fixing the slag pushing motor 504. The slag pushing motor 504 of the embodiment adopts a linear push rod motor, and realizes the linear reciprocating motion of the slag pushing rod by using the driving principle of a worm gear and a worm; a high-temperature resistant pulley (not shown) is arranged between the slag pushing head 501 and the grate bottom plate 6, so that the problems that the grate bottom plate 6 is abraded due to strong pushing when the slag pushing head 501 pushes slag and the service life is shortened due to the fact that the slag pushing rod 502 needs to bear huge pushing force under large friction force are solved; in addition, a plurality of gap leaks 601 are arranged on the grate bottom plate 6 and used for discharging fine dry slag, so that the slag pushing head 501 can be pushed more smoothly, and a dry slag cleaning port 101 is arranged on the furnace body 1 and used for cleaning the falling fine dry slag.

The slag crushing mechanism 9 comprises a slag crushing wheel 901, a rolling plate 902 and a slag crushing motor 903, wherein the two rolling plates 902 are respectively arranged on two sides of the slag crushing wheel 901 and are in contact with the slag crushing wheel 901, the slag crushing wheel 901 and the rolling plate 902 are mutually matched to form a V-shaped slag crushing area for rolling and grinding combustion residues, the crushed combustion residues leak into a water sealing layer 11 through a gap between the slag crushing wheel 901 and the rolling plate 902 and sink to a slag collecting frame 10, the slag crushing wheel 901 is of an internal hollow structure, wheel shafts at two ends of the slag crushing wheel 901 are respectively provided with a water inlet channel and a water outlet channel, the water inlet channel is connected with a cooling water inlet joint 906, and the water outlet channel is connected with a cooling water outlet joint 907; in addition, the surface of the slag crushing wheel 901 is provided with a plurality of vertical slag crushing teeth 904, the rolling plate 902 is provided with a groove 905 which is matched with the slag crushing teeth 904 for passing, and the purpose of large-area and high-efficiency slag crushing is achieved through the matching of the slag crushing wheel 901, the rolling plate 902 and the slag crushing teeth 904 and the groove 905.

The flame nozzle 8 comprises a mounting flange 801, an air inlet pipe 802, a bellows pipe 803, a flare pipe 804 and a combustion pipe 805, wherein the mounting flange 801 is erected on the furnace body 1 and sleeved at the inlet end of the air inlet pipe 802, the small-caliber end of the flare pipe 804 is connected with the outlet end of the air inlet pipe 802, the bellows pipe 803 is sleeved at the opening section of the air inlet pipe 802, the bellows pipe 803 is connected with an air distribution pipe 806, and a combustible gas igniter 809 is erected at the connection position of the air distribution pipe 806 and the bellows pipe 803; the combustion pipe 805 is sleeved on the outlet section of the air inlet pipe 802, the large-caliber end of the flare pipe 804 is connected with the inner pipe wall of the combustion pipe 805, the two tail ends of the air box pipe 803 are respectively connected with the mounting flange 801 and the combustion pipe 805 to form a sealed area, in addition, the pipe wall of the outlet section of the air inlet pipe 802 is provided with an air mixing hole 807, and the pipe wall of the flare pipe 804 is provided with an air guide hole 808. Combustible gas generated by the gasification furnace enters the flame projecting nozzle 8 through the gas inlet pipe 802, then oxygen entering from the gas mixing hole 807 is mixed with the combustible gas, and the oxygen is sucked to the combustion pipe 805 from the gas guide hole 808 through the siphon action of the flared pipe 804, so that flame projecting is realized. Fresh air is injected into the air box pipe 803 from the air distribution pipe 806, so that the burner is cooled and oxygen is heated, the service life of the burner is prolonged, smooth combustion is facilitated, and the gasification combustion efficiency is improved.

The primer igniter 7 is a diesel igniter; the temperature monitor 102 is arranged on the furnace body 1 of the gasification area, the temperature monitor 102 is connected with a PLC controller, the PLC controller is connected with the primer igniter 7, when the primer igniter 7 is ignited, the temperature monitor 102 monitors the temperature, if the temperature does not reach the preset temperature, the ignition failure is indicated, a user can perform ignition by a secondary ignition function, if the secondary ignition failure occurs, the system is locked, and the state to be repaired is prompted to enter; when the temperature reaches the preset temperature after ignition, the ignition is successful, and then the work is normally carried out; in this embodiment, the PLC controller may be an existing programmable controller on the market; the feeding motor 401 and the slag pushing motor 504 are also connected with the PLC, when the temperature monitor 102 monitors that the gasification area reaches the drying condition, the rotating speed of the feeding motor 401 is accelerated, the feeding amount is increased, when the temperature monitor 102 monitors that the temperature of the gasification area reaches the gasification condition, the slag pushing motor 504 is started to push fuel to be pushed forwards, the fuel is subjected to pyrolysis and anaerobic gasification in sequence in the process, the gasified combustion residues are pushed to the slag crushing mechanism 9, and the combustible gas generated by gasification enters the flame jet nozzle 8 to be combusted.

The lower part of the blanking area is positioned below the slag pushing mechanism 5, an air blower 12 is used for providing oxygen for the drying section at the initial position of the bottom plate of the fire grate, the slag pushing mechanism 5 is cooled by cold air, a high-temperature resistant and high-temperature resistant sliding wheel 13 is arranged at the bottom of the furnace body 1, and a water cooling system 14 formed by water cooling pipes is arranged in the top structure wall and the material guiding furnace wall 3 of the furnace body 1, so that the temperature of the whole gasification furnace is adjusted.

The gasifier of this embodiment through the combined action of bocca 8, push away sediment mechanism 5 and disintegrating slag mechanism 9 that have novel design, realizes high-efficient work, cooperates various cold wind or cold water cooling system simultaneously, realizes the control or the cooling to the gasifier temperature, has effectively prolonged the holistic life of gasifier.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.