CN216335383U - Feeding device for biomass power generation - Google Patents
Feeding device for biomass power generation Download PDFInfo
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- CN216335383U CN216335383U CN202122782313.5U CN202122782313U CN216335383U CN 216335383 U CN216335383 U CN 216335383U CN 202122782313 U CN202122782313 U CN 202122782313U CN 216335383 U CN216335383 U CN 216335383U
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- negative pressure
- sealing
- material guide
- storage bin
- pressure box
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Abstract
The utility model discloses a feeding device for biomass power generation, which comprises a storage bin and at least 2 material guide pipes, wherein the bottom of the storage bin is connected with a left material guide screw group and a right material guide screw group which are symmetrically arranged, the left material guide screw group and the right material guide screw group are both connected with a plurality of screw rod conveyors connected with the material guide pipes, the left material guide screw group and the right material guide screw group both comprise a plurality of rotating shafts and power motors, one end of each rotating shaft penetrates through the side wall of the storage bin and is connected with the power motors, and spiral blades are arranged on the rotating shafts; the feeding device for biomass power generation is simple in structure, convenient and practical, scattered fuel is recycled through the material guiding negative pressure chamber, and meanwhile the sealing plate is opened to guide the fuel collected by the material guiding negative pressure chamber into the storage bin, so that the difficulty of manually collecting the scattered fuel is reduced.
Description
Technical Field
The utility model belongs to the technical field of feeding, and particularly relates to a feeding device for biomass power generation.
Background
The biomass power generation technology is a renewable energy project which is mainly developed and constructed in recent years in China, biomass resources are various and comprise crop straws, rice husks, forestry wastes, crop seed shells and the like, and the development of a biomass power plant makes important contributions to energy conservation and emission reduction, comprehensive utilization of resources, construction of new socialist countryside and adjustment of a power supply structure; at present, most of CFB boiler stokehole feeding systems in the biomass power generation technology are provided with stokehole bins, the bins are large and small, a primary or secondary screw conveyor is arranged below the bins, and then the screw conveyor conveys fuel to a hearth for combustion. Adopt stokehold feed bin, through belt conveyor or fork truck with straw package leading-in feed bin in, and can appear scattered straw or rice husk in transportation process, this kind of fuel that scatters is difficult to the clearance very much, can cause very big dust during the clearance moreover, the leading-in feed bin of fuel also can cause very big dust simultaneously for staff operational environment is very abominable.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a feeding device for biomass power generation, which is simple in structure, convenient and practical, and can recycle scattered fuel through a material guiding negative pressure chamber, and meanwhile, a sealing plate is opened to guide the fuel collected by the material guiding negative pressure chamber into a storage bin, so that the difficulty of manually collecting the scattered fuel is reduced.
A feeding device for biomass power generation comprises a storage bin and at least 2 material guide pipes, wherein the bottom of the storage bin is connected with a left material guide screw group and a right material guide screw group which are symmetrically arranged, the left material guide screw group and the right material guide screw group are respectively connected with a plurality of screw conveyors connected with the material guide pipes, the left material guide screw group and the right material guide screw group respectively comprise a plurality of rotating shafts and power motors, one end of each rotating shaft penetrates through the side wall of the storage bin and is connected with the power motors, and spiral blades are arranged on the rotating shafts; the feed bin one side is provided with guide negative pressure chamber, be provided with filter equipment on the guide negative pressure chamber, guide negative pressure chamber is including closing plate and guide oblique fill and the negative pressure case that link together, guide oblique fill and feed bin intercommunication, be provided with between guide oblique fill and the negative pressure case and bear the flitch, bear and seted up the blanking hole on the flitch, closing plate one side articulates on guide oblique fill inner wall, the closing plate is mutually supported with bearing the flitch, be provided with sealed hydro-cylinder on the guide oblique fill, sealed hydro-cylinder power pole is in the same place with the closing plate articulates, the seal groove has been seted up on the closing plate, be provided with the sealing washer in the seal groove, negative pressure case one side is provided with the absorption mouth, be connected with the flexible rubber tube of dust absorption on the absorption mouth.
Preferably, the filtering device comprises a negative dust suction pressure box and a vacuum dust suction fan which are communicated with the negative pressure box, one side of the negative dust suction pressure box, which is far away from the negative pressure box, is provided with a negative pressure port and a plurality of adjusting oil cylinders, a partition plate and a plurality of adjusting sealing covers are arranged in the negative dust suction pressure box, the partition plate is connected with a plurality of steel mesh cylinders, the steel mesh cylinders are sleeved with filter bags, power rods of the adjusting oil cylinders penetrate through the side wall of the negative dust suction pressure box and are connected with the adjusting sealing covers, the adjusting sealing covers are connected with telescopic air pipes, the storage bins are connected with air compressors, the air compressors are connected with connecting pipes, one ends of the connecting pipes penetrate through the side wall of the negative dust suction pressure box and are communicated with the telescopic air pipes, and pulse valves are arranged on the connecting pipes; the negative pressure port is connected with a vacuum dust suction fan.
Preferably, the sealing washer is including the retainer plate and the sealed clamping ring that link together, the retainer plate sets up in the seal groove, air guide hole has been seted up in the sealed clamping ring, set up the venthole of a plurality of and air guide hole intercommunication on the sealed clamping ring, set up the connecting hole with the air guide hole intercommunication on the retainer plate, connecting hole one end is connected with the trachea, the trachea is connected with the connecting pipe, be provided with the pulse valve on the trachea.
Preferably, a dust raising port communicated with the storage bin is formed in one side of the negative pressure box, and a pulling and inserting sealing plate is arranged on the dust raising port.
Preferably, the storage bin is provided with stairs.
Preferably, a plurality of spiral blades are arranged on the rotating shaft at equal intervals.
Preferably, an inserting plate is arranged between the adsorption port and the dust collection telescopic rubber tube.
Has the advantages that:
(1) the feeding device for biomass power generation is simple in structure, convenient and practical, scattered fuel is recycled through the material guiding negative pressure chamber, and meanwhile the sealing plate is opened to guide the fuel collected by the material guiding negative pressure chamber into the storage bin, so that the difficulty of manually collecting the scattered fuel is reduced.
(2) According to the feeding device for biomass power generation, the filtering device generates negative pressure and filters dust, the air compressor and the pulse valve are matched to clean the dust from the filter bag, so that the dust is guided into the storage bin and is burnt together with fuel, the filter bag replacement times are reduced, and the dust does not need to be cleaned.
Drawings
FIG. 1 is a schematic view of a feed device;
FIG. 2 is a schematic view of the structure of the filter device;
FIG. 3 is a schematic structural view of a seal ring;
1-a storage bin, 2-a material guiding negative pressure chamber, 21-a material guiding inclined hopper, 22-a negative pressure box, 23-a bearing plate, 24-a sealing plate, 25-a sealing oil cylinder, 26-an adsorption port, 27-a fixing ring, 28-a sealing pressing ring, 29-an air outlet, 210-a connecting hole, 211-an air guide hole, 3-a filtering device, 31-a negative dust suction pressure box, 32-a steel mesh cylinder, 33-a partition plate, 34-a negative pressure port, 35-an adjusting sealing cover, 36-an adjusting oil cylinder, 37-a telescopic air pipe, 38-an air compressor, 39-a connecting pipe, 310-a pulse valve, 4-a left material guiding screw rod group, 5-a right material guiding screw rod group, 6-a screw rod conveyor, 7-a material guiding pipe, 8-a rotating shaft and 9-a power motor, 10-helical leaf.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3; a feeding device for biomass power generation comprises a storage bin 1 and at least 2 material guide pipes 7, wherein the bottom of the storage bin 1 is connected with a left material guide screw group 4 and a right material guide screw group 5 which are symmetrically arranged, the left material guide screw group 4 and the right material guide screw group 5 are both connected with a plurality of screw conveyors 6 connected with the material guide pipes 7, the left material guide screw group 4 and the right material guide screw group 5 both comprise a plurality of rotating shafts 8 and power motors 9, one end of each rotating shaft 8 penetrates through the side wall of the storage bin 1 and is connected with the power motor 9, and spiral blades 10 are arranged on the rotating shafts 8; a material guiding negative pressure chamber 2 is arranged on one side of the storage bin 1, a filtering device 3 is arranged on the material guiding negative pressure chamber 2, the material guiding negative pressure chamber 2 comprises a sealing plate 24, a material guiding oblique bucket 21 and a negative pressure box 22 which are connected together, the material guiding oblique bucket 21 is communicated with the storage bin 1, a bearing material plate 23 is arranged between the material guiding oblique bucket 21 and the negative pressure box 22, a blanking hole is formed in the bearing material plate 23, one side of the sealing plate 24 is hinged to the inner wall of the material guiding oblique bucket 21, the sealing plate 24 is matched with the bearing material plate 23, a sealing oil cylinder 25 is arranged on the material guiding oblique bucket 21, a power rod of the sealing oil cylinder 25 is hinged to the sealing plate 24, a sealing groove is formed in the sealing plate 24, a sealing ring is arranged in the sealing groove, an adsorption port 26 is arranged on one side of the negative pressure box 22, and a dust collection telescopic rubber pipe is connected to the adsorption port 26; the filtering device 3 comprises a negative dust suction pressure box 31 and a vacuum dust suction fan, wherein the negative dust suction pressure box 31 is communicated with the negative pressure box 22, one side, far away from the negative pressure box 22, of the negative dust suction pressure box 31 is provided with a negative pressure port 34 and a plurality of adjusting oil cylinders 36, a partition plate 33 and a plurality of adjusting sealing covers 35 are arranged in the negative dust suction pressure box 31, the partition plate 33 is connected with a plurality of steel mesh cylinders 32, the steel mesh cylinders 32 are sleeved with filter bags, power rods of the adjusting oil cylinders 36 penetrate through the side wall of the negative dust suction pressure box 31 to be connected with the adjusting sealing covers 35, the adjusting sealing covers 35 are connected with telescopic air pipes 37, the storage bin 1 is connected with an air compressor 38, the air compressor 38 is connected with a connecting pipe 39, one end of the connecting pipe 39 penetrates through the side wall of the negative dust suction pressure box 31 to be communicated with the telescopic air pipes 37, and the connecting pipe 39 is provided with a pulse valve 310; the negative pressure port 34 is connected with a vacuum dust collection fan; the sealing ring comprises a fixing ring 27 and a sealing pressing ring 28 which are connected together, the fixing ring 27 is arranged in a sealing groove, an air guide hole 211 is formed in the sealing pressing ring 28, a plurality of air outlet holes 29 communicated with the air guide hole 211 are formed in the sealing pressing ring 28, a connecting hole 210 communicated with the air guide hole 211 is formed in the fixing ring 27, one end of the connecting hole 210 is connected with an air pipe, the air pipe is connected with a connecting pipe 39, and a pulse valve 310 is arranged on the air pipe; a dust raising port communicated with the bin 1 is formed in one side of the negative pressure box 22, and a drawing and inserting sealing plate is arranged on the dust raising port; the storage bin 1 is provided with a stair; a plurality of spiral blades 10 are arranged on the rotating shaft 8 at equal intervals; an inserting plate is arranged between the adsorption port 26 and the dust absorption telescopic rubber tube.
Conveying fuel into a storage bin 1 through a forklift or a belt conveyor, introducing the fuel into a screw conveyor 6 through a left material guiding screw group 4 and a right material guiding screw group 5, introducing the fuel into a material guiding pipe 7 through the screw conveyor 6, and introducing the fuel into a furnace front screw conveyor through the material guiding pipe 7; the vacuum dust collection fan generates negative pressure, air in the negative pressure box 22 sequentially passes through the negative dust collection pressure box 31, the filter bag and the steel mesh cylinder 32 and enters the negative pressure port 34, the partition plate 33 is communicated with the steel mesh cylinder 32, so that the air passes through the partition plate 33 through the steel mesh cylinder 32 and enters the negative pressure port 34 to be led out, a negative pressure state is formed in the negative pressure box 22, after powder adsorbed by the dust collection telescopic rubber tube enters the negative pressure box 22, the sucked dust and the air enter the negative dust collection pressure box 31 together, the dust can be filtered by the filter bag, the sealing plate 24 is driven by the sealing oil cylinder 25 to rotate, so that the sealing plate 24 is separated from the bearing plate 23, the material in the negative pressure box 22 falls into the material guide inclined hopper 21 through the material guide inclined hopper 21 and is led into the storage bin 1 through the material guide inclined hopper 21; the sealing oil cylinder 25 drives the sealing plate 24 to rotate, the pulse valve 310 on the air pipe is opened before the sealing plate 24 is tightly attached to the bearing material plate 23, so that high-pressure air generated by the air compressor 38 is led into the air pipe through the connecting pipe 39, the high-pressure air is led into the air guide hole 211 through the connecting hole 210 and is led out through the air outlet hole 29, fuel falling on the sealing ring is blown off, the fuel is prevented from being attached to the sealing ring to influence the sealing performance of the sealing ring, the gap between the sealing plate 24 and the bearing material plate 23 is reduced through the sealing ring, and the sealing performance of the negative pressure box 22 is guaranteed; when the sealing plate 24 is opened, the adjusting oil cylinder 36 drives the adjusting sealing cover 35 to be in contact with the partition plate 33, the adjusting sealing cover 35 covers one end of the steel mesh cylinder 32, negative pressure generated by the negative pressure port 34 is cut off, when the pulse valve 310 is opened, pulse high-pressure gas is generated through the opening and closing functions of the pulse valve 310, the high-pressure gas in the connecting pipe 39 is led into the telescopic gas pipe 37, the high-pressure gas is led into the adjusting sealing cover 35 through the telescopic gas pipe 37, the high-pressure gas enters the steel mesh cylinder 32 and acts on the filter bag to clean dust attached to the filter bag, and the cleaned dust falls into the negative pressure box 22 and is led out together with fuel in the negative pressure box; the dust raised in the storage bin 1 is absorbed into the material guiding negative pressure chamber 2 through the dust raising port, so that the dust raised after fuel is introduced into the storage bin 1 is reduced, and the dust raising port is plugged by the drawing and inserting sealing plate arranged on the dust raising port, so that the suction force of the dust collection telescopic rubber pipe is increased; an inserting plate is arranged between the adsorption port 26 and the dust collection telescopic rubber tube, so that the suction force is cut off through the inserting plate under the condition that the dust collection telescopic rubber tube is not used, and the suction force of the dust raising port is increased; through set up a plurality of spiral leaves 10 on pivot 8 for spiral leaf 10 can not lead to the stall because of the resistance is too big when exporting the fuel in feed bin 1, reaches the effect of intermittent type nature guide.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the utility model, without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a feeder for biomass power generation which characterized in that: the material conveying device comprises a storage bin (1) and at least 2 material guiding pipes (7), wherein the bottom of the storage bin (1) is connected with a left material guiding screw group (4) and a right material guiding screw group (5) which are symmetrically arranged, the left material guiding screw group (4) and the right material guiding screw group (5) are respectively connected with a plurality of screw rod conveyors (6) connected with the material guiding pipes (7), the left material guiding screw group (4) and the right material guiding screw group (5) respectively comprise a plurality of rotating shafts (8) and power motors (9), one ends of the rotating shafts (8) penetrate through the side wall of the storage bin (1) and are connected with the power motors (9), and spiral blades (10) are arranged on the rotating shafts (8); the material guide device is characterized in that a material guide negative pressure chamber (2) is arranged on one side of the storage bin (1), a filtering device (3) is arranged on the material guide negative pressure chamber (2), the material guide negative pressure chamber (2) comprises a sealing plate (24) and a material guide inclined hopper (21) and a negative pressure box (22) which are connected together, the material guide inclined hopper (21) is communicated with the storage bin (1), a bearing material plate (23) is arranged between the material guide inclined hopper (21) and the negative pressure box (22), a blanking hole is formed in the bearing material plate (23), one side of the sealing plate (24) is hinged to the inner wall of the material guide inclined hopper (21), the sealing plate (24) is matched with the bearing material plate (23), a sealing oil cylinder (25) is arranged on the material guide inclined hopper (21), a power rod of the sealing oil cylinder (25) is hinged to the sealing plate (24), a sealing groove is formed in the sealing plate (24), and a sealing ring is arranged in the sealing groove, one side of the negative pressure box (22) is provided with an adsorption port (26), and the adsorption port (26) is connected with a dust absorption telescopic rubber tube.
2. A feeding device for biomass power generation according to claim 1, characterized in that: the filter device (3) comprises a negative dust suction pressure box (31) communicated with a negative pressure box (22) and a vacuum dust suction fan, one side of the negative dust suction pressure box (31) far away from the negative pressure box (22) is provided with a negative pressure port (34) and a plurality of adjusting oil cylinders (36), a partition board (33) and a plurality of adjusting sealing covers (35) are arranged in the negative dust suction pressure box (31), the partition board (33) is connected with a plurality of steel net cylinders (32), the steel net cylinders (32) are sleeved with filter bags, power rods of the adjusting oil cylinders (36) penetrate through the side wall of the negative dust suction pressure box (31) and are connected with the adjusting sealing covers (35), the adjusting sealing covers (35) are connected with telescopic air pipes (37), the stock bin (1) is connected with an air compressor (38), the air compressor (38) is connected with connecting pipes (39), one end of the connecting pipes (39) penetrates through the side wall of the negative dust suction pressure box (31) and is communicated with the telescopic air pipes (37), a pulse valve (310) is arranged on the connecting pipe (39); the negative pressure port (34) is connected with a vacuum dust suction fan.
3. A feeding device for biomass power generation according to claim 2, characterized in that: the sealing washer is including linking retainer plate (27) together and sealed clamping ring (28), retainer plate (27) set up in the seal groove, air guide hole (211) have been seted up in sealed clamping ring (28), venthole (29) of a plurality of and air guide hole (211) intercommunication have been seted up on sealed clamping ring (28), set up connecting hole (210) with air guide hole (211) intercommunication on retainer plate (27), connecting hole (210) one end is connected with the trachea, the trachea is connected with connecting pipe (39), be provided with pulse valve (310) on the trachea.
4. A feeding device for biomass power generation according to claim 3, characterized in that: and a dust raising port communicated with the storage bin (1) is formed in one side of the negative pressure box (22), and a pulling and inserting sealing plate is arranged on the dust raising port.
5. A feeding device for biomass power generation according to claim 4, characterized in that: the storage bin (1) is provided with a stair.
6. A feeding device for biomass power generation according to claim 1 or 5, characterized in that: the rotating shaft (8) is provided with a plurality of spiral blades (10) at equal intervals.
7. A feeding device for biomass power generation according to claim 6, characterized in that: an inserting plate is arranged between the adsorption port (26) and the dust absorption telescopic rubber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122782313.5U CN216335383U (en) | 2021-11-15 | 2021-11-15 | Feeding device for biomass power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122782313.5U CN216335383U (en) | 2021-11-15 | 2021-11-15 | Feeding device for biomass power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216335383U true CN216335383U (en) | 2022-04-19 |
Family
ID=81148405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122782313.5U Active CN216335383U (en) | 2021-11-15 | 2021-11-15 | Feeding device for biomass power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216335383U (en) |
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2021
- 2021-11-15 CN CN202122782313.5U patent/CN216335383U/en active Active
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