CN111380048A - Feeding mechanism in biomass particle combustion furnace - Google Patents

Abstract

The invention provides a feeding mechanism in a biomass particle combustion furnace, and belongs to the technical field of biomass energy utilization. The feeding mechanism in the biomass particle combustion furnace is characterized in that a feeding hole is formed in one side of the box body, a feeding plate is fixed at the position of the feeding hole and comprises a fixing frame, a first flat plate, a second flat plate, a feeding funnel and a pushing plate, the first flat plate is fixed on the fixing frame, one end of the first flat plate is fixedly connected with the feeding plate, the other end of the first flat plate is connected with the second flat plate, the pushing plate is arranged on the first flat plate, and the pushing plate is connected with a first push rod motor which is driven by the pushing plate.

Description

Feeding mechanism in biomass particle combustion furnace

The invention belongs to the application date: 2018-12-27, application number: 201811616709.9, patent name: a divisional application of a feeding mechanism in a biomass particle combustion furnace.

Technical Field

The invention belongs to the technical field of biomass energy utilization, and particularly relates to a feeding mechanism in a biomass particle combustion furnace.

Background

The rapid development of economy is not free from energy sources, and the problem of shortage of traditional fossil energy petroleum, natural gas and coal is increasingly serious. The biomass energy is used as the fourth energy source, and becomes an energy source with larger development potential in new energy sources by the characteristics of renewability, zero carbon emission and the like. Bamboo scraps, wood chips, bagasse and the like which are usually discarded in the processing process can be used as raw materials of biomass granular fuel, and are further pressed to form a high-efficiency carbon source.

However, the biomass particles are formed by drying and extruding fine plant powder, and can absorb water and be damped if being stored improperly, and the damped biomass particles can generate a large amount of dense smoke in the combustion process, are easy to burn inexhaustibly and waste a lot.

According to the traditional feeding mechanism in the biomass particle combustion furnace, the raw materials are pushed in by adopting screw extrusion in the feeding process, the raw materials are fed by the method, and the raw materials are expanded and loosened after being wetted and can be bonded together in the screw extrusion pushing process to become blocks, so that incomplete combustion is caused.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a feeding mechanism in a biomass particle combustion furnace, and solves the problem that when a wet raw material is fed, the wet raw material is easily extruded into a block, so that incomplete combustion is caused.

The purpose of the invention can be realized by the following technical scheme:

a feeding mechanism in a biomass particle combustion furnace comprises a box body, wherein a partition plate is fixed in the box body and divides the box body into a combustion chamber for combusting raw materials and a recovery chamber for recovering ash after combustion, and the feeding mechanism is characterized in that a feeding hole is formed in one side of the box body, a feeding plate is fixed at the feeding hole, the feeding mechanism comprises a fixing frame, a first flat plate, a second flat plate, a feeding funnel and a pushing plate, the first flat plate is fixed on the fixing frame, one end of the first flat plate is fixedly connected with the feeding plate, the other end of the first flat plate is connected with the second flat plate, the pushing plate is arranged on the first flat plate, the pushing plate is connected with a first pushing rod motor with a pushing force of the pushing plate, a plurality of baffle plates are fixed on the second flat plate, a material channel is formed between adjacent baffle plates, the feeding funnel is arranged on the fixing frame, and the, the material pipes correspond to the material channels one by one, and extend into the material channels; and a dredging mechanism for placing materials to block is arranged on the second flat plate.

The working principle of the mechanism is as follows: put into feed hopper with the raw materials in, the raw materials flows from feed hopper's material pipe, enters into the material and says, and at this moment, the raw materials is separated into and is arranged neatly side by side, and the raw materials enters into on dull and stereotyped one, then carries out the pay-off through the scraping wings, sends into the raw materials on the feed plate in proper order.

The mechanism can simply and efficiently arrange the raw materials in order, and is convenient for conveying the raw materials.

In the present invention, reference is made to biomass particles.

In the feeding mechanism in the biomass particle combustion furnace, the dredging mechanism comprises a fixed rod, a plurality of fixed plates are fixed on the fixed rod, the fixed plates correspond to the baffle plates one to one, and the fixed plates are connected with a push rod motor II with the fixed plates moving back and forth. The fixed plate can be combed into vertical state with the horizontally raw materials originally, can dredge the raw materials that block up simultaneously, prevents the card in the material is said.

In the feeding mechanism of the biomass particle combustion furnace, the lower end of the material pipe is parallel to the material channel. The raw material is in a horizontal state as much as possible when entering the material channel.

In the feeding mechanism of the biomass particle combustion furnace, a plurality of conveying rollers are further arranged above the feeding plate I. The raw materials are prevented from being extruded and stacked together under the action of the material pushing plate.

In the feeding mechanism of the biomass particle combustion furnace, a plurality of vibrators I are fixed on the feeding hopper. The first vibrator can prevent raw materials from being blocked when the feeding hopper feeds the raw materials.

In the feeding mechanism in the biomass particle combustion furnace, the second flat plate is obliquely fixed on the fixing frame, and a plurality of second vibrators are fixed on the second flat plate. The raw materials can move downwards along the second flat plate, and the second vibrator can enable the raw materials to move downwards more smoothly to prevent blockage.

Compared with the prior art, the invention has the following advantages:

put into feed hopper with the raw materials in, the raw materials flows from feed hopper's material pipe, enters into the material and says, and at this moment, the raw materials is separated into and is arranged neatly side by side, and the raw materials enters into on dull and stereotyped one, then carries out the pay-off through the scraping wings, sends into the raw materials on the feed plate in proper order. The feeding mechanism can simply and efficiently arrange the raw materials in order, and the raw materials are conveniently conveyed.

Drawings

FIG. 1 is a schematic of the present invention.

FIG. 2 is a schematic view of the material receiving and storing mechanism of the present invention.

Fig. 3 is a perspective view of the material receiving and storing mechanism of the present invention.

FIG. 4 is a schematic view of the ring frame of the present invention.

FIG. 5 is a schematic view of the material receiving and storing mechanism of the present invention.

Fig. 6 is a schematic view of the feed mechanism of the present invention.

Figure 7 is a schematic view of a feed hopper in the present invention.

In the figure, 1, a box body; 2. a partition plate; 3. a combustion chamber; 4. a recovery chamber; 5. filtering the combustion net; 6. discharging a fire tube; 7. a feed inlet; 8. a feeding plate; 8a, a concave groove; 9. an annular frame; 9a, an installation section; 10. rotating the bracket; 11. a storage plate; 11a, placing grooves; 12. a feeding ring; 13. rotating the ring block; 14. a track; 15. a first motor; 16. a first gear; 17. a second gear; 18. a third gear; 19. a rack; 20. a slide cylinder; 21. a first protective shell; 22. a second protective shell; 23. a chamber; 24. a limiting block; 25. a second motor; 26. a fourth gear; 27. a fifth gear; 28. a recovery tank; 29. driving a motor; 30. a closing plate; 31. a fixed mount; 32. a first flat plate; 33. a second flat plate; 34. a feed hopper; 34a, a material pipe; 35. a material pushing plate; 36. a push rod motor I; 37. a baffle plate; 38. a material channel; 39. a fixing plate; 40. a push rod motor II; 41. fixing the rod; 42. and (4) a conveying roller.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 7, a feeding mechanism in a biomass particle combustion furnace comprises a box body 1, and is characterized in that a partition plate 2 is fixed in the box body 1, the partition plate 2 divides the box body 1 into a combustion chamber 3 for combusting raw materials and a recovery chamber 4 for recovering ash after combustion, a through hole is formed in the partition plate, a filtering combustion net 5 is fixed at the lower part of the partition plate, a fire outlet pipe 6 is fixed at the top of the box body 1, a material receiving and storing mechanism for receiving and storing raw materials is arranged in the combustion chamber 3, a feeding port 7 is formed in one side of the box body 1, a feeding plate 8 is fixed at the feeding port 7, one end of the feeding plate 8 is connected with the material receiving and storing mechanism, the other end of the feeding plate 8 is connected with a feeding mechanism capable of feeding materials, and a sealing mechanism for sealing the; the feeding mechanism comprises a fixing frame 31, a first flat plate 32, a second flat plate 33, a feeding hopper 34 and a material pushing plate 35, wherein the first flat plate 32 is fixed on the fixing frame 31, one end of the first flat plate 32 is fixedly connected with the feeding plate 8, the other end of the first flat plate 32 is connected with the second flat plate 33, the material pushing plate 35 is arranged on the first flat plate 32, the material pushing plate 35 is connected with a first push rod motor 36 with the pushing of the material pushing plate, a plurality of baffle plates 37 are fixed on the second flat plate 33, a material channel 38 is formed between every two adjacent baffle plates 37, the feeding hopper 34 is arranged on the fixing frame 31, a plurality of material pipes 34a are arranged at the lower part of the feeding hopper 34, the material pipes 34a correspond to the; the second flat plate 33 is provided with a dredging mechanism for placing materials to be blocked.

The working principle of the mechanism is as follows: the raw materials are put into the feeding funnel 34, flow out of a material pipe 34a of the feeding funnel 34 and enter the material channel 38, at the moment, the raw materials are separated into a plurality of groups and are arranged orderly, the raw materials enter the first flat plate 32, then are fed through the material pushing plate 35, and are sequentially fed into the feeding plate 8.

The mechanism can simply and efficiently arrange the raw materials in order, and is convenient for conveying the raw materials.

The invention can dry the moist biomass particles and then burn the moist biomass particles, thereby utilizing the heat generated by burning, improving the utilization rate of the heat, and simultaneously avoiding the generation of a large amount of black smoke and environmental pollution during burning. The sealing mechanism can seal after the material receiving and storing mechanism is filled with the raw materials, and heat loss from the feed inlet 7 is prevented. The feeding mechanism can automatically and uniformly feed materials.

In the present invention, reference is made to biomass particles.

Specifically, an ignition device is fixed in the case 1. The ignition device is used for igniting the biomass particles placed for the first time.

Specifically, the feed plate 8 has a plurality of parallel equidistant concave troughs 8a thereon. When entering the feeding plate 8, the biomass particles enter the concave grooves 8a in the feeding plate 8 in sequence, and the wet raw material is prevented from directly rolling into the combustion chamber 3.

Specifically, the material receiving and storing mechanism comprises an annular frame 9, a plurality of rotating supports 10, a plurality of storing plates 11, a feeding ring 12, a rotating ring block 13 and a track 14, wherein the track 14 is fixed on the partition plate 2, the track 14 is annular, an annular sliding groove is formed in the track 14, the rotating ring block 13 is arranged in the sliding groove, the rotating ring block 13 can rotate in the sliding groove, and the rotating ring block 13 is connected with a driving mechanism with the rotation of the rotating ring block 13; the annular frame 9 is fixed on the rotary ring block 13 through a support rod, a plurality of mounting sections 9a are equidistantly arranged on the annular frame 9, the mounting sections 9a are straight pipes, the rotary support 10 is rotatably arranged on the mounting sections 9a, the storage plate 11 is fixed on the rotary support 10, and the storage plate 11 is provided with a placing groove 11a for storing raw materials; the feeding ring 12 is disposed below the storage plate 11, the feeding ring 12 is used to turn the storage plate 11 inward, and the feeding ring 12 is connected to a lifting mechanism with which it is lifted upward or downward.

The working principle of the mechanism is as follows: after biomass particles enter one of the storage plates 11, the driving mechanism is started, the rotating ring block 13 is driven to rotate, then new biomass particle raw materials are put into the storage plates 11 for placing the raw materials, the circulation is performed repeatedly until the raw materials on the storage plates 11 are all filled, at the moment, the raw materials in the combustion chamber 3 are combusted, a large amount of heat is generated, a small part of the heat is dissipated in the combustion chamber 3, the raw materials on the storage plates 11 are dried, after the drying, the lifting mechanism is directly started, the feeding ring 12 moves upwards, the feeding ring 12 abuts against the storage plates 11, the storage plates 11 are turned inwards, the raw materials on the storage plates 11 enter the filtering combustion net 5 and are combusted, and at the moment, new wet raw materials are fed onto the storage plates 11 to be dried. This mechanism can utilize the heat in the combustion chamber 3 to dry, prevents that the raw materials humidity from leading to producing a large amount of dense smoke, polluted environment.

This mechanism can be with raw materials temporary storage, then throw into again after the raw materials is dried and burn, and the heat that the stoving required is lost when burning has almost no influence to upper portion flame injection position, has also reduced the requirement to the raw materials mode of keeping simultaneously, the cost is reduced.

Specifically, the driving mechanism comprises a first motor 15, a first gear 16, a second gear 17, a third gear 18, a rack 19 and a sliding barrel 20, the sliding barrel 20 is fixed on the partition board 2, the lower end of the rack 19 penetrates into the sliding barrel 20, the rack 19 can vertically lift in the sliding barrel 20, the upper end of the rack 19 is fixedly connected to the annular frame 9, teeth are arranged on two sides of the rack 19, the first gear 16 and the second gear 17 are rotatably arranged in the box body 1, the rack 19 is simultaneously meshed with the first gear 16 and the second gear 17, the first motor 15 is fixed in the box body 1, the third gear 18 is coaxially fixed on an output shaft of the first motor 15, the third gear 18 is meshed with the first gear 16, and the third gear 18 is meshed with the second gear 17. The first motor 15 drives the third gear 18 to rotate, the third gear 18 simultaneously drives the first gear 16 and the second gear 17 to start rotating, the first gear 16 and the second gear 17 drive the rack 19 to ascend and descend, and the first gear 16 and the second gear 17 simultaneously drive the rack 19 to keep ascending and descending stability. The lower slide 20 ensures that the gear does not deviate from the track 14.

Specifically, a first protective shell 21 and a second protective shell 22 are fixed outside the first motor 15, a closed cavity 23 is formed between the first protective shell 21 and the second protective shell 22, and the cavity 23 is filled with cooling liquid. The first motor 15 is located in the combustion chamber 3, has high temperature, and is protected by the first protective shell 21 and the second protective shell 22, and the cooling liquid filled between the first protective shell 21 and the second protective shell 22 reduces the temperature of the first motor 15, and effectively prolongs the service life of the first motor 15.

Specifically, a plurality of limiting blocks 24 are fixed on the annular frame 9, and the limiting blocks 24 can support and limit the rotating bracket 10. The limit block 24 can limit the position of the rotating bracket 10 on the annular frame 9, and the storage plate on the rotating bracket 10 can keep water when not receiving the action of external force.

Specifically, a plurality of balls are arranged in the sliding groove. The setting of ball can make things convenient for the rotation of rotating ring piece 13, prevents to block, and the width of rotating ring piece 13 is less than the width of annular spout, prevents to block in the annular spout after the heating process, rotating ring piece 13 inflation to lead to rotating ring piece 13 can not rotate.

Specifically, the lifting mechanism comprises a second motor 25, a gear four 26 and a gear five 27, wherein the gear four 26 is coaxially fixed on the rotating ring block 13, the second motor 25 is fixed on the partition board 2, an output shaft of the second motor 25 is vertically upward, the gear five 27 is coaxially fixed on an output shaft of the second motor 25, and the gear five 27 is meshed with the gear four 26. The second motor 25 drives the gear five 27 to rotate, the gear five 27 drives the gear four 26 to rotate, and the gear four 26 drives the rotating ring block 13 to rotate.

Specifically, a box door is arranged on the box body 1, a recovery tank 28 is arranged at the bottom of the box body 1, and a blower is fixedly arranged on the wall of the box body 1. The recovery tank 28 is used for recovering the burnt hair ash, and the air blower can increase air for the burnt biomass particles. The air speed of the blower can be varied to control the burn rate.

Specifically, the closing mechanism comprises a driving motor 29 and a closing plate 30, the driving motor 29 is fixed on the box body 1, an output shaft of the driving motor 29 is vertically downward, the closing plate 30 is fixed on the output shaft of the driving motor 29, and the closing plate 30 can be lifted upwards or descended downwards. When feeding is needed, the motor 29 is driven to drive the closing plate 30 to be opened, and after the feeding is finished, the closing plate 30 is closed, so that excessive heat loss is prevented.

Specifically, the dredging mechanism comprises a fixing rod 41, a plurality of fixing plates 39 are fixed on the fixing rod 41, the fixing plates 39 correspond to the baffles 37 one by one, and the fixing plates 39 are connected with a second push rod motor 40 which moves back and forth with the second push rod motor. The fixed plate 39 can comb the raw material which is originally horizontal into a vertical state, and can dredge the blocked raw material to prevent the blocking in the material channel 38.

Specifically, the lower end of the material pipe 34a is parallel to the material channel 38. So that the raw material is as horizontal as possible when entering the material channel 38.

Specifically, a plurality of conveying rollers 42 are arranged above the feeding plate 8. The raw materials are prevented from being extruded and stacked together under the action of the material pushing plate 35.

Specifically, the feed hopper 34 is fixed with a plurality of vibrators one. The first vibrator prevents the raw material from being clogged while the feed hopper 34 is feeding.

Specifically, the second flat plate 33 is obliquely fixed on the fixing frame 31, and a plurality of second vibrators are fixed on the second flat plate 33. The raw material can move downwards along the second flat plate 33, and the second vibrator can enable the raw material to move downwards more smoothly to prevent blockage.

The working principle of the invention is as follows: the biomass particles are fed through the feeding mechanism, the raw materials are put into the feeding hopper 34, the raw materials flow out of the material pipe 34a of the feeding hopper 34 and enter the material channel 38, at the moment, the raw materials are separated into a plurality of groups and are arranged orderly, the raw materials enter the first flat plate 32, then the raw materials are fed through the material pushing plate 35, and the raw materials are sequentially fed into the feeding plate 8. Then the biomass particles enter the material receiving and storing mechanism in sequence, after the biomass particles enter one of the storing plates 11, the driving mechanism is started to drive the rotating ring block 13 to rotate, then new biomass particle raw materials are put into the storing plates 11 for placing the raw materials, the circulation is carried out repeatedly until the raw materials on the storing plates 11 are all fully stored, at the moment, the raw materials in the combustion chamber 3 are combusted to generate a large amount of heat, a small part of the heat is dissipated in the combustion chamber 3, the raw materials on the storing plates 11 are dried, after the drying, the lifting mechanism is directly started to enable the feeding ring 12 to move upwards, the feeding ring 12 supports against the storing plates 11, the storing plates 11 are turned inwards, the raw materials on the storing plates 11 enter the filtering combustion net 5 and then are combusted, at the moment, new wet raw materials are sent to the storing plates 11 to be dried, at the moment, the raw materials are dried, can not produce dense smoke, be fixed with a pipeline by supreme grow gradually down on the filtration burning net 5 in the combustion chamber 3, the living beings granule is when getting into filtration burning net 5, and the raw materials can pile up at the middle part, prevents flame diffusion, will be located marginal living beings granule and burn.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (5)

1. A feeding mechanism in a biomass particle combustion furnace comprises a box body, wherein a partition plate is fixed in the box body and divides the box body into a combustion chamber for combusting raw materials and a recovery chamber for recovering ash after combustion, and the feeding mechanism is characterized in that a feeding hole is formed in one side of the box body, a feeding plate is fixed at the feeding hole, the feeding mechanism comprises a fixing frame, a first flat plate, a second flat plate, a feeding funnel and a pushing plate, the first flat plate is fixed on the fixing frame, one end of the first flat plate is fixedly connected with the feeding plate, the other end of the first flat plate is connected with the second flat plate, the pushing plate is arranged on the first flat plate, the pushing plate is connected with a first pushing rod motor with a pushing force of the pushing plate, a plurality of baffle plates are fixed on the second flat plate, a material channel is formed between adjacent baffle plates, the feeding funnel is arranged on the fixing frame, and the, the material pipes correspond to the material channels one by one, and extend into the material channels; the second flat plate is provided with a dredging mechanism for placing materials to be blocked, the dredging mechanism comprises a fixed rod, a plurality of fixed plates are fixed on the fixed rod and correspond to the baffle plates one to one, and the fixed plates are connected with a second push rod motor which is provided with the second push rod motor to move back and forth.

2. The feeding mechanism of claim 1, wherein the lower end of the feeding pipe is parallel to the material channel.

3. The feeding mechanism of claim 1, wherein a plurality of conveying rollers are further disposed above the feeding plate.

4. The feeding mechanism of claim 1, wherein the feeding hopper is fixed with a plurality of vibrators.

5. The feeding mechanism of claim 1, wherein the second plate is obliquely fixed on the fixing frame, and the second plate is fixed with a plurality of second vibrators.

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