CN209960469U - Combustion system for cracking biomass solid fuel gas - Google Patents
Combustion system for cracking biomass solid fuel gas Download PDFInfo
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- CN209960469U CN209960469U CN201920683611.9U CN201920683611U CN209960469U CN 209960469 U CN209960469 U CN 209960469U CN 201920683611 U CN201920683611 U CN 201920683611U CN 209960469 U CN209960469 U CN 209960469U
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Abstract
The utility model relates to a combustion system for pyrolysis of biomass solid fuel gas. A combustion system for biomass solid fuel gas cracking is characterized by comprising a feeding device, a base, a furnace body, a rotary grate, a grate rotary driving device, a first fan and an ash discharger; the left side of the lower end part of the furnace body is provided with a feeding cylinder insertion hole, the right side of the upper end part of the furnace body is provided with a burner, and the right end of the burner is communicated with a combustion chamber arranged on the carbonization furnace; the lower end part in a combustion chamber of the furnace body is provided with a rotary grate, the support frame is provided with a plurality of axial tugs, and the rotary grate is placed on the plurality of axial tugs; the outer side wall of the upper part of the rotary grate is fixedly provided with an annular grate fluted disc which is meshed with a driving gear of the grate rotary driving device; a plurality of blast air nozzles are arranged on the rotary grate; an ash hole is arranged in the center of the rotary grate, an ash discharger is arranged in the ash hole, and the ash discharger is fixedly arranged on the base. The raw materials of the combustion system are uniformly and fully combusted.
Description
Technical Field
The utility model relates to a living beings solid gas preparation equipment, concretely relates to a combustion system for pyrolysis of living beings solid gas.
Background
The biomass fuel can not only solve the problem of air pollution caused by straw burning, but also can replace fossil energy. At present, two methods are mainly adopted for biomass fuel production. The first is a physical method: the components of the biomass cannot be changed, and the biomass is mostly briquettes (particles); the disadvantages are that: the heat medium is difficult to meet the use requirement of an industrial boiler, and the boiler is easy to coke and damage as the result of burning polluted air in the field. The second is to process and produce biomass gas or liquid fuel, but need special pipeline or special transport vechicle, just can transport the fuel for the user, even the gas transports for the user, but a lot of customers do not have the fire control safe in service condition yet, use cost is high, and the low price/performance ratio of biomass heat conversion efficiency is low on the one hand simultaneously, and the feasibility is poor.
In the existing combustion system (or called as combustion furnace) for cracking biomass solid fuel gas, a fire grate is fixed and has no blast port, the burning raw materials cannot be overturned, and the raw materials are burnt unevenly and insufficiently.
Disclosure of Invention
An object of the utility model is to provide a combustion system for pyrolysis of living beings solid gas, this combustion system's raw materials burning is even, the burning is abundant.
In order to achieve the purpose, the utility model adopts the technical proposal that: a combustion system for biomass solid fuel gas cracking is characterized by comprising a feeding device, a base, a furnace body, a rotary grate, a grate rotary driving device, a first fan and an ash discharger; the feeding device and the furnace body are respectively arranged on the base, and a discharge hole of the feeding device is communicated with a combustion cavity in the furnace body; the furnace body is cylindrical, the upper end of the furnace body is a closed end, the lower end of the furnace body is an open end, a water jacket and a refractory material layer are arranged in the furnace body, the refractory material layer is positioned on the inner side of the water jacket, and a combustion cavity is formed in the refractory material layer; the left side of the lower end part of the furnace body is provided with a feeding cylinder insertion hole, the right side of the upper end part of the furnace body is provided with a burner, the left end of the burner is communicated with the combustion cavity, and the right end of the burner is communicated with the combustion chamber; the upper end of the furnace body is provided with a cooling water outlet, the lower end of the furnace body is provided with a cooling water inlet, and the cooling water outlet and the cooling water inlet are respectively communicated with the water jacket; the lower end part in a combustion chamber of the furnace body is provided with a rotary grate, a plurality of axial tugs are arranged on a supporting frame, the supporting frame is fixedly arranged on a base, the rotary grate is placed on the plurality of axial tugs, a plurality of radial fixed wheels are arranged on the base along the circumference, and the plurality of radial fixed wheels are respectively contacted with the outer side wall of the lower part of the rotary grate; the outer side wall of the upper part of the rotary grate is fixedly provided with an annular grate fluted disc which is meshed with a driving gear of the grate rotary driving device; an air blowing cavity is arranged between the rotary grate and the support frame, a plurality of air blowing air nozzles are arranged on the rotary grate, an air blowing channel is arranged on the support frame, the upper end of the air blowing channel is communicated with the air blowing cavity, and the air blowing air nozzles are communicated with the air blowing cavity; the lower end of the blast channel is communicated with the output port of the first fan through a second air pipe; an ash hole is arranged in the center of the rotary grate, an ash discharger is arranged in the ash hole, and the ash discharger is fixedly arranged on the base.
The combustion system for biomass solid fuel gas cracking further comprises a second fan, a third air pipe and a rotary air pipe, wherein a plurality of rotary air pipes are arranged in the furnace body, rotary air outlets of the rotary air pipes are communicated with the combustion chamber, and the plurality of rotary air pipes are communicated with an output port of the second fan through the third air pipe.
And the tuyere is arranged at the position of the fire nozzle and is communicated with an output port of the second fan through a fire nozzle air distribution pipe.
The grate rotation driving device comprises a driving gear, a grate rotating motor and a speed reducer, the grate rotating motor and the speed reducer are respectively and fixedly installed on the base, an output shaft of the grate rotating motor is connected with an input end of the speed reducer, the driving gear is arranged on an output shaft of the speed reducer, and the driving gear is meshed with a grate fluted disc.
The feeding device comprises a feeding screw rod, a feeding screw blade, a storage bin, a feeding cylinder and a feeding motor; the feeding barrel and the feeding motor are respectively fixedly installed on the base, the feeding barrel is located on the left side of the furnace body, the feeding motor is located on the left side of the feeding barrel, the right end of the feeding barrel is a discharging port, the right end of the feeding barrel is fixed with the furnace body, and the discharging port of the feeding barrel is communicated with a combustion chamber in the furnace body; the left end of the feeding barrel is connected with the flange plate, the upper end of the left part of the feeding barrel is provided with a feeding hole, the bin is fixed on the feeding barrel, and the discharging hole of the bin is communicated with the feeding hole on the feeding barrel; the middle part and the right part of the feeding screw rod are positioned in the feeding cylinder, the left end of the feeding screw rod passes through a feeding screw rod through hole of the flange plate and then is positioned on the left side of the feeding cylinder, the left end part of the feeding screw rod is connected with the flange plate through a bearing, the left end of the feeding screw rod is connected with an output shaft of a feeding motor through a shaft coupling, a feeding helical blade is arranged on the feeding screw rod, and the feeding helical blade is positioned in the feeding cylinder.
The right end portion of the feeding barrel of the feeding device is provided with a plurality of air curtain outlets which are communicated with an output port of the first fan through a first air pipe respectively.
The ash discharger comprises a discharger body, a stirring sheet, an ash discharging screw rod and an ash discharging screw blade, wherein an ash discharging through hole is arranged in the discharger body, the discharger body is fixedly arranged on a support frame, the upper part of the ash discharging screw rod is positioned in the discharger body, the lower end part of the ash discharging screw rod is arranged on a base through a bearing, the lower part of the ash discharging screw rod is provided with a driven gear, the driven gear is meshed with a driving gear on an ash discharging motor, the ash discharging motor is fixedly arranged on the base, the ash discharging screw rod is fixedly provided with the ash discharging screw blade, the ash discharging screw blade is positioned in the ash discharging through hole of the discharger body, the upper end of the discharger body is fixedly provided with the stirring sheet, and; the support frame is provided with a water pipe, and the water outlet of the water pipe is positioned at the ash falling port.
The material pulling rod is arranged in the combustion chamber, a material pulling sheet is fixed on the material pulling rod, the outer end part of the material pulling rod penetrates through a material pulling rod hole of the furnace body and then is connected with an output shaft of a material pulling motor through a coupler, and the material pulling motor is installed on the furnace body or on the base.
The upper surface of the rotary grate is a cambered surface, and the middle part of the rotary grate is lower than the edge part.
The beneficial effects of the utility model reside in that:
1. a rotatable rotary grate is adopted and is connected with a grate rotation driving device; the rotary grate rotates to disturb the raw materials, and the raw materials are uniformly combusted. The rotary grate is provided with a plurality of air blowing nozzles, the combustible raw materials are placed on the rotary grate, and the air blown by the air blowing nozzles blows the raw materials to turn over, so that the raw materials are uniformly combusted (rotating and blowing are performed, oxygen is fully contacted, and the combustion is fully performed).
2. The right-hand member portion of feed arrangement's feeding barrel is equipped with a plurality of air curtain exports, produces the air curtain at the right-hand member portion of feeding barrel, prevents the inside steam of combustion chamber outwards to run off.
3. A plurality of cyclone return air pipes are arranged in the furnace body, and cyclone return air is generated in the combustion cavity to accelerate combustion.
4. The tuyere is arranged at the fire nozzle, so that the oxygen for combustion is improved, and the combustion is more sufficient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is a schematic structural diagram of the material puller of the present invention.
In the figure: 1-base, 2-feeding screw rod, 3-first fan, 4-first air pipe, 5-second air pipe, 6-axial tug, 7-ash falling port, 8-ash discharging screw blade, 9-ash discharger, 10-blast channel, 11-radial fixed wheel, 12-grate fluted disc, 13-rotary grate, 14-rotary air pipe, 15-nozzle air distribution pipe, 16-nozzle, 17-water jacket, 18-refractory material layer, 19-cooling water outlet, 20-furnace body, 21-combustion chamber, 22-observation hole, 23-maintenance hole, 24-blast air nozzle, 25-blast chamber, 26-feeding screw blade, 27-material level meter, 28-storage bin, 29-wall vibrator, 30-feeding cylinder, 31-a feeding motor, 32-a cooling water inlet, 33-a cooling pipe, 34-a slag remover, 35-a driving gear (a multi-stage gear), 36-a grate rotating motor (a variable frequency motor), 37-a speed reducer (a helical gear speed reducer), 38-a third air pipe, 39-a cyclone outlet, 40-a second fan, 41-a stirring blade, 42-a device body, 43-an ash discharging spiral rod, 44-a supporting frame, 45-a material pulling motor, 46-a material pulling rod, 47-a material pulling piece, 48-a cooling air inlet and 49-water.
Detailed Description
For a better understanding of the present invention, the present invention will be further described with reference to the following embodiments, which are not intended to be limiting.
As shown in fig. 1-3, a combustion system for biomass solid gas cracking comprises a feeding device, a base 1, a furnace body 20, a rotary grate 13, a grate rotary driving device, a first fan 3 and an ash discharger 9; the feeding device and the furnace body 20 are respectively arranged on the base 1 (the feeding device is positioned on the left side of the furnace body 20; the left side is the left side and the right side is the right side in the figure 2), and a discharge hole of the feeding device is communicated with a combustion cavity 21 in the furnace body 20; the furnace body 20 is cylindrical, the upper end of the furnace body 20 is a closed end, the lower end of the furnace body 20 is an open end, a water jacket 17 and a refractory material layer 18 are arranged in the furnace body 20, the refractory material layer 18 is positioned on the inner side of the water jacket 17, and a combustion cavity 21 is arranged in the refractory material layer 18; a feeding cylinder insertion hole is formed in the left side of the lower end portion of the furnace body 20 (the feeding cylinder insertion hole is communicated with the combustion cavity 21), a burner 16 is arranged on the right side of the upper end portion of the furnace body 20, the left end of the burner 16 is communicated with the combustion cavity 21, and the right end of the burner 16 is communicated with a combustion chamber (the combustion chamber is communicated with a hot flue gas chamber arranged on a carbonization furnace (or called a biomass solid gas cracking furnace), a cracking gas inlet generated by the carbonization furnace is formed in the combustion chamber, and the hot flue gas chamber provides a heat source for the carbonization furnace); the upper end of the furnace body 20 is provided with a cooling water outlet 19, the lower end of the furnace body 20 is provided with a cooling water inlet 32, and the cooling water outlet 19 and the cooling water inlet 32 are respectively communicated with the water jacket 17 (the cooling water outlet 19 and the cooling water inlet 32 are respectively connected with a cooling water circulating system, and the cooling water circulating system provides a cooling water source, which is the prior art); the lower end in the combustion chamber 21 of the furnace body 20 is provided with a rotary grate 13 (the rotary grate 13 is not contacted with the furnace body 20, the rotary grate 13 can rotate), a plurality of axial tug wheels 6 (such as 3-30 axial tug wheels 6, or axial supporting wheels are also called) are arranged on a supporting frame, the embodiment adopts a plurality of axial tug wheels 6 arranged along the circumference, the supporting frame is fixedly arranged on a base 1, the rotary grate 13 is placed on the plurality of axial tug wheels 6 (namely, the rotary grate 13 can rotate), a plurality of radial fixed wheels 11 (such as 3-30 radial fixed wheels 11, which can limit the front-back and left-right swinging of the rotary grate 13) are arranged on the base 1 below the furnace body 20 along the circumference, and the plurality of radial fixed wheels 11 are respectively contacted with the outer side; an annular fire grate fluted disc 12 is fixedly arranged on the outer side wall of the upper part of the rotary fire grate 13, and the fire grate fluted disc 12 is meshed with a driving gear of a fire grate rotary driving device; an air blowing cavity 25 is arranged between the rotary grate 13 and the support frame 44, a plurality of air blowing air nozzles 24 (such as 3-30 air blowing nozzles) are arranged on the rotary grate 13, an air blowing channel (or called air blowing pipeline) 10 is arranged on the support frame 44, the upper end of the air blowing channel 10 is communicated with the air blowing cavity 25 (the upper end of the support frame 44 is not contacted with the rotary grate 13, the rotary grate 13 can rotate), and the air blowing air nozzles 24 are communicated with the air blowing cavity 25; the lower end of the blast channel 10 is communicated with the output port of the first fan 3 through a second air pipe 5 (the air generated by the first fan 3 enters the second air pipe 5, the blast channel 10, the blast cavity 25 and the blast tuyere 24, the combustible raw material is placed on the rotary grate 13, the air blown by the blast tuyere 24 blows the raw material to turn over, so that the raw material is uniformly combusted, the rotary grate 13 rotates to disturb the raw material, so that the raw material is uniformly combusted); an ash hole is arranged in the center of the rotary grate 13, an ash discharger 9 is arranged in the ash hole (the ash discharger 9 is not contacted with the rotary grate 13), and the ash discharger 9 is fixedly arranged on the base 1.
The combustion system for biomass solid fuel gas cracking further comprises a second fan 40, a third air pipe 38 and a cyclone air pipe 14, wherein a plurality of cyclone air pipes 14 (such as 3-10 cyclone air pipes, 3-10 cyclone air pipes are obliquely arranged on the same plane, as shown in fig. 3, the cyclone air pipes are arranged below the fire nozzle and the insertion hole of the feeding cylinder and above the rotary grate 13, cyclone air is generated in the combustion chamber to accelerate combustion), a cyclone air outlet 39 of the cyclone air pipe 14 is communicated with the combustion chamber 21, and the plurality of cyclone air pipes 14 are communicated with an output port of the second fan 40 through the third air pipe 38.
The burner department is equipped with the wind gap (the wind gap can adopt a plurality ofly, and this embodiment adopts 2), and the wind gap is linked together by the delivery outlet of burner air distribution pipe 15 with second fan 40 (burner department is equipped with the wind gap, improves the oxygen of burning, makes the burning more abundant).
The grate rotation driving device comprises a driving gear 35, a grate rotating motor (variable frequency motor) 36 and a speed reducer (helical gear speed reducer) 37, the grate rotating motor 36 and the speed reducer 37 are fixedly installed on the base 1 respectively, an output shaft of the grate rotating motor 36 is connected with an input end of the speed reducer 37, the driving gear 35 is arranged on an output shaft of the speed reducer 37, and the driving gear 35 is meshed with a grate fluted disc (or annular grate teeth) 12.
The furnace body 20 is further provided with an access hole 23, and glass is arranged at the access hole 23. The furnace body 20 is also provided with an observation hole 22, and glass is arranged at the observation hole 22; a cooling pipe 33 is provided at the observation hole 22, and the cooling pipe 33 cools the observation hole.
The feeding device (feeding combustion raw materials) comprises a feeding screw rod 2, a feeding helical blade 26, a storage bin 28, a feeding cylinder 30 and a feeding motor (variable-frequency speed reducing motor) 31; the feeding cylinder 30 and the feeding motor 31 are respectively fixedly installed on the base 1, the feeding cylinder 30 is located on the left side of the furnace body 20, the feeding motor 31 is located on the left side of the feeding cylinder 30, the right end of the feeding cylinder 30 is a discharge hole, the right end of the feeding cylinder 30 is fixed with the furnace body 20 (the right end of the feeding cylinder 30 is inserted into a feeding cylinder insertion hole of the furnace body 20), and the discharge hole of the feeding cylinder 30 is communicated with the combustion chamber 21 in the furnace body 20; the left end of the feeding cylinder 30 is connected with a flange (the middle part of the flange is provided with a feeding screw rod through hole), the upper end of the left part of the feeding cylinder 30 is provided with a feeding hole, the stock bin 28 is fixed on the feeding cylinder 30, and the discharging hole of the stock bin 28 is communicated with the feeding hole on the feeding cylinder 30; the middle part of feeding hob 2, the right part is located feeding barrel 30, the left end of feeding hob 2 passes and is located feeding barrel 30's left side behind the material hob through-hole of ring flange, the left end of feeding hob 2 links to each other (feeding hob 2 is rotatable) by bearing and ring flange, the left end of feeding hob 2 is linked to each other by the output shaft of shaft coupling and feeding motor (variable frequency speed reduction motor) 31, be equipped with feeding helical blade 26 on the feeding hob 2 (impel the raw materials right when rotatory), feeding helical blade 26 is located feeding barrel 30.
The right end portion of the feeding cylinder 30 of the feeding device is provided with a plurality of air curtain outlets (such as 2-5 air curtain outlets), and the air curtain outlets are respectively communicated with the output ports of the first fan 3 through the first air pipe 4 (an air curtain is generated at the right end portion of the feeding cylinder 30 to prevent hot air in the combustion chamber 21 from flowing outwards).
A level indicator 27 (to observe how much combustion material is in the bin) is mounted on the bin 28. The silo 28 is provided with a silo wall vibrator 29 (so that the burning raw materials in the silo can easily fall down).
The ash discharger 9 comprises a device body 42, a stirring sheet 41, an ash discharging spiral rod 43 and an ash discharging spiral blade 8, wherein an ash discharging through hole is arranged in the device body 42 { the device body 42 is a cylinder body (namely provided with the ash discharging through hole) }, the device body 42 is fixedly arranged on a support frame 44 (the support frame 44 is fixedly arranged on the base 1), the upper part of the ash discharging spiral rod 43 is positioned in the device body 42, the lower end part of the ash discharging spiral rod 43 is arranged on the base 1 through a bearing, the lower part of the ash discharging spiral rod 43 is provided with a driven gear, the driven gear is meshed with a driving gear on an ash discharging motor (can drive the ash discharging spiral rod 43 to rotate), the ash discharging motor is fixedly arranged on the base 1, the ash discharging spiral blade 8 is fixedly arranged on the ash discharging spiral rod 43, the ash discharging spiral blade 8 is positioned in the ash discharging through hole of the device body 42, the upper end of the device body 42, the support frame 44 is provided with a water pipe, the water outlet of the water pipe is positioned at the ash falling port 7 (the water outlet of the water pipe meets the ash falling at the lower end of the device body 42 and then becomes slag, the bucket belt of the slag remover 34 is positioned below the ash falling port 7, and the slag is conveyed away by the bucket belt).
The base 1 is provided with a slag remover 34, and a bucket belt of the slag remover 34 is positioned below the ash falling port 7.
The upper surface of the rotary grate 13 is a cambered surface, and the middle part is lower than the edge part (so that the material moves towards the middle).
As shown in fig. 4, the combustion system for biomass solid gas cracking further comprises a material pulling device, wherein the material pulling device comprises a material pulling rod 46, a material pulling sheet 47 and a material pulling motor 45; a material pulling rod 46 is arranged in the combustion cavity 21, a material pulling sheet 47 is fixed on the material pulling rod 46, the outer end part of the material pulling rod 46 penetrates through a material pulling rod hole of the furnace body 20 and then is connected with an output shaft of a material pulling motor 45 through a coupler (the material pulling rod 46 can rotate), and the material pulling motor 45 is installed on the furnace body 20 or the base 1. The outer end of the material drawing rod 46 is provided with a cooling air inlet 48, and the cooling air inlet 48 is connected with a cooling air source (used for cooling the material drawing rod 46). The material pulling rod of the material pulling device (the material pulling device comprises a material pulling rod 46, a material pulling sheet 47 and a material pulling motor 45) pulls out the raw materials, so that the raw materials are more uniform.
A hot flue gas chamber arranged on a carbonization furnace (or called biomass solid gas cracking furnace) is communicated with a combustion chamber of a combustion system (or called burner) for cracking the biomass solid gas { the hot flue gas generated by the combustion system enters the combustion chamber, then is mixed with pyrolysis gas generated by the carbonization furnace (the pyrolysis gas sent by a combustible smoke recovery pipe and a combustible smoke pipe, or called combustible flue gas) for combustion again, and the generated hot flue gas enters the hot flue gas chamber to provide a heat source for raw materials in the carbonization furnace (to heat the materials), and then passes through a waste heat recovery pipe; due to the utilization of the pyrolysis gas, the combustion of a combustion system is reduced; after the starting operation is carried out for a period of time, the heat source (entering a combustion chamber for combustion) is mostly lifted by utilizing the cracking gas. The inlet of the first fan 3 is communicated with a waste heat recovery pipe through a pipeline.
Claims (8)
1. A combustion system for biomass solid fuel gas cracking is characterized by comprising a feeding device, a base (1), a furnace body (20), a rotary grate (13), a grate rotary driving device, a first fan (3) and an ash discharger (9); the feeding device and the furnace body (20) are respectively arranged on the base (1), and a discharge hole of the feeding device is communicated with a combustion cavity (21) in the furnace body (20); the furnace body (20) is cylindrical, the upper end of the furnace body (20) is a closed end, the lower end of the furnace body (20) is an open end, a water jacket (17) and a refractory material layer (18) are arranged in the furnace body (20), the refractory material layer (18) is positioned on the inner side of the water jacket (17), and a combustion cavity (21) is arranged in the refractory material layer (18); a feeding cylinder insertion hole is formed in the left side of the lower end of the furnace body (20), a burner (16) is arranged on the right side of the upper end of the furnace body (20), the left end of the burner (16) is communicated with the combustion cavity (21), and the right end of the burner (16) is communicated with the combustion chamber; the upper end of the furnace body (20) is provided with a cooling water outlet (19), the lower end of the furnace body (20) is provided with a cooling water inlet (32), and the cooling water outlet (19) and the cooling water inlet (32) are respectively communicated with the water jacket (17); a rotary grate (13) is arranged at the inner lower end part of a combustion chamber (21) of the furnace body (20), a plurality of axial tugs (6) are arranged on a supporting frame, the supporting frame is fixedly arranged on a base (1), the rotary grate (13) is placed on the plurality of axial tugs (6), a plurality of radial fixed wheels (11) are arranged on the base (1) along the circumference, and the plurality of radial fixed wheels (11) are respectively contacted with the outer side wall of the lower part of the rotary grate (13); an annular grate fluted disc (12) is fixedly arranged on the outer side wall of the upper part of the rotary grate (13), and the grate fluted disc (12) is meshed with a driving gear of the grate rotary driving device; an air blowing cavity (25) is arranged between the rotary grate (13) and the support frame (44), a plurality of air blowing air nozzles (24) are arranged on the rotary grate (13), an air blowing channel (10) is arranged on the support frame (44), the upper end of the air blowing channel (10) is communicated with the air blowing cavity (25), and the air blowing air nozzles (24) are communicated with the air blowing cavity (25); the lower end of the blast channel (10) is communicated with the output port of the first fan (3) through a second air pipe (5); an ash hole is arranged in the center of the rotary grate (13), an ash discharger (9) is arranged in the ash hole, and the ash discharger (9) is fixedly arranged on the base (1).
2. The combustion system for biomass solid fuel gas cracking according to claim 1, characterized in that: the combustion system for biomass solid fuel gas cracking further comprises a second fan (40), a third air pipe (38) and a cyclone air pipe (14), a plurality of cyclone air pipes (14) are arranged in the furnace body (20), a cyclone air outlet (39) of the cyclone air pipe (14) is communicated with the combustion cavity (21), and the plurality of cyclone air pipes (14) are communicated with an output port of the second fan (40) through the third air pipe (38).
3. The combustion system for biomass solid fuel gas cracking according to claim 1, characterized in that: and an air port is arranged at the position of the fire nozzle (16), and the air port is communicated with an output port of the second fan (40) through a fire nozzle air distribution pipe (15).
4. The combustion system for biomass solid fuel gas cracking according to claim 1, characterized in that: the grate rotation driving device comprises a driving gear (35), a grate rotating motor (36) and a speed reducer (37), the grate rotating motor (36) and the speed reducer (37) are fixedly installed on the base (1) respectively, an output shaft of the grate rotating motor (36) is connected with an input end of the speed reducer (37), the driving gear (35) is arranged on an output shaft of the speed reducer (37), and the driving gear (35) is meshed with the grate fluted disc (12).
5. The combustion system for biomass solid fuel gas cracking according to claim 1, characterized in that: the feeding device comprises a feeding screw rod (2), a feeding screw blade (26), a storage bin (28), a feeding cylinder body (30) and a feeding motor (31); the feeding barrel (30) and the feeding motor (31) are fixedly mounted on the base (1) respectively, the feeding barrel (30) is located on the left side of the furnace body (20), the feeding motor (31) is located on the left side of the feeding barrel (30), the right end of the feeding barrel (30) is a discharge hole, the right end of the feeding barrel (30) is fixed with the furnace body (20), and the discharge hole of the feeding barrel (30) is communicated with a combustion chamber (21) in the furnace body (20); the left end of the feeding cylinder (30) is connected with the flange plate, the upper end of the left part of the feeding cylinder (30) is provided with a feeding hole, the bin (28) is fixed on the feeding cylinder (30), and the discharging hole of the bin (28) is communicated with the feeding hole on the feeding cylinder (30); the middle part of feeding hob (2), the right part is located feeding barrel (30), the left end of feeding hob (2) passes the left side that is located feeding barrel (30) behind the material hob through-hole of ring flange, the left end portion of feeding hob (2) is linked to each other with the ring flange by the bearing, the left end of feeding hob (2) is linked to each other by the output shaft of shaft coupling and feeding motor (31), be equipped with feeding helical blade (26) on feeding hob (2), feeding helical blade (26) are located feeding barrel (30).
6. The combustion system for biomass solid fuel gas cracking according to claim 1 or 5, characterized in that: the right end part of a feeding cylinder body (30) of the feeding device is provided with a plurality of air curtain outlets which are respectively communicated with an output port of a first fan (3) through a first air pipe (4).
7. The combustion system for biomass solid fuel gas cracking according to claim 1, characterized in that: the ash discharger (9) comprises a device body (42) and a stirring sheet (41), the ash discharging device comprises an ash discharging spiral rod (43) and an ash discharging spiral blade (8), wherein an ash discharging through hole is formed in a device body (42), the device body (42) is fixedly arranged on a support frame (44), the upper part of the ash discharging spiral rod (43) is positioned in the device body (42), the lower end part of the ash discharging spiral rod (43) is arranged on a base (1) through a bearing, the lower part of the ash discharging spiral rod (43) is provided with a driven gear, the driven gear is meshed with a driving gear on an ash discharging motor, the ash discharging motor is fixedly arranged on the base (1), the ash discharging spiral blade (8) is fixedly arranged on the ash discharging spiral rod (43), the ash discharging spiral blade (8) is positioned in the ash discharging through hole of the device body (42), the upper end of the device body (42) is fixedly provided with a stirring sheet (41), and an ash falling port (7) is formed in; a water pipe is arranged on the supporting frame (44), and the water outlet of the water pipe is positioned at the ash falling port (7).
8. The combustion system for biomass solid fuel gas cracking according to claim 1, characterized in that: the material pulling device is characterized in that a material pulling rod (46) is arranged in the combustion cavity (21), a material pulling sheet (47) is fixed on the material pulling rod (46), the outer end part of the material pulling rod (46) penetrates through a material pulling rod hole of the furnace body (20) and then is connected with an output shaft of a material pulling motor (45) through a coupler, and the material pulling motor (45) is installed on the furnace body (20) or the base (1).
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| CN201920683611.9U CN209960469U (en) | 2019-05-14 | 2019-05-14 | Combustion system for cracking biomass solid fuel gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110107883A (en) * | 2019-05-14 | 2019-08-09 | 阔阳（湖北）环保节能科技有限公司 | Combustion system for biomass solid combustion gas cracking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107883A (en) * | 2019-05-14 | 2019-08-09 | 阔阳（湖北）环保节能科技有限公司 | Combustion system for biomass solid combustion gas cracking |
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