CN215336448U - Feeding device for biomass power generation - Google Patents
Feeding device for biomass power generation Download PDFInfo
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- CN215336448U CN215336448U CN202120664423.9U CN202120664423U CN215336448U CN 215336448 U CN215336448 U CN 215336448U CN 202120664423 U CN202120664423 U CN 202120664423U CN 215336448 U CN215336448 U CN 215336448U
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- conveying cylinder
- power generation
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- preheating cabinet
- biomass power
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Abstract
The utility model discloses a feed arrangement for biomass power generation, it relates to biomass power generation technical field. It contains the conveying cylinder, rotatory feed portion, the hopper, crushing mechanism, the preheating cabinet, be provided with the pay-off axle in the conveying cylinder, pay-off axle outer wall welded fastening helical blade, the pay-off axle is connected with the driving motor output shaft, connect rotatory feed portion on the conveying cylinder, the pivot is connected with the servo motor output shaft, form between two adjacent baffles and divide the chamber, crushing mechanism includes broken wheel, the fixed broken blade that sets up of broken wheel outer wall, the axis body is connected with crushing motor's output shaft, the conveying cylinder outside is equipped with the preheating cabinet, conveying cylinder passes through the gas pocket intercommunication with the preheating cabinet, the preheating cabinet passes through the waste heat input tube and is connected with furnace. After the technical scheme is adopted, the beneficial effects of the utility model are as follows: the biomass fuel feeding device has a crushing function, can ensure stable supply of biomass fuel, intermittently feeds materials, improves combustion efficiency, and improves economic benefits.
Description
Technical Field
The utility model relates to the technical field of biomass power generation, in particular to a feeding device for biomass power generation.
Background
With the increasing exhaustion of primary energy resources, the search for new renewable and environment-friendly energy resources to replace coal, petroleum, natural gas and the like becomes an important way for solving energy crisis and environmental problems, and in recent years, China builds and puts into production a plurality of biomass power plants which have the advantages of utilizing fuels with the characteristics of abundant reserves, low pollution, renewability and the like of wastes such as household garbage, soybean straws, cotton straws and the like. The biomass power generation process usually needs to adopt a feeding device to convey materials into a hearth for feeding, however, the structural design of the feeding device for biomass power generation in the prior art is not reasonable enough, biomass fuel is not crushed and cut, longer biomass fuel enters a material conveying cylinder, and the longer biomass fuel may be wound on a feeding shaft in the material conveying process to cause the feeding shaft to be jammed and even cause the device to be damaged, which affects the material conveying, secondly, waste heat generated in the hearth cannot be well utilized, the biomass fuel in the material conveying cylinder is not preheated, which causes the subsequent combustion efficiency to be lower, the economic benefit is poorer, and finally, the common feeding device adopts continuous feeding work for the hearth, which easily causes the biomass fuel in the hearth to be accumulated in a large amount, not only can the biomass fuel be insufficiently combusted, and the biomass fuel is wasted, and the combustion efficiency in the hearth is low, the practicability is poor, and the hearth is not suitable for being continuously popularized and used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings of the prior art, and provides a feeding device for biomass power generation, which has a crushing function, can ensure stable supply of biomass fuel, intermittently feeds the biomass fuel, improves the combustion efficiency, improves the economic benefit, has strong practicability, and is suitable for wide popularization and use.
In order to achieve the purpose, the utility model adopts the following technical scheme: it contains the conveying cylinder, rotatory feed portion, the hopper, broken mechanism, the preheating cabinet, be provided with the pay-off axle in the conveying cylinder, pay-off axle outer wall welded fastening helical blade, the pay-off axle is connected with the driving motor output shaft, connect rotatory feed portion on the conveying cylinder, the inside level of rotatory feed portion sets up the pivot, the pivot is connected with the servo motor output shaft, the fixed a plurality of baffles that set up of pivot outer wall, form between two adjacent baffles and divide the chamber, connect the hopper in the rotatory feed portion, the inside broken mechanism that sets up of hopper, broken mechanism includes broken wheel, broken wheel outer wall is fixed to set up broken blade, broken wheel is fixed to be set up on the axis body, and the axis body is connected with broken motor's output shaft, the conveying cylinder outside is equipped with the preheating cabinet, the conveying cylinder passes through the gas pocket intercommunication with the preheating cabinet, the preheating cabinet passes through waste heat input tube and is connected with furnace.
And a material guide slope is arranged at the joint of the hopper and the rotary feeding part.
The crushing wheels are arranged in two groups, and the rotating directions of the two groups of crushing wheels are opposite.
The baffle evenly distributed in the pivot outer wall, and the equidistance sets up between every baffle.
The top of the preheating box is fixedly connected with a calandria.
After adopting above-mentioned technical scheme, compare in prior art and have following beneficial effect:
1. the biomass fuel entering the hopper can be crushed and cut by the crushing mechanism, so that the feeding shaft can be well prevented from being wound by the long-strip biomass fuel to a certain extent, the stable supply of the fuel is ensured, and meanwhile, the device is protected from being damaged;
2. the preheating box, the waste heat input pipe, the air holes and the like are arranged, so that waste heat generated by combustion of the hearth can be fully utilized, the energy utilization rate is improved, the waste heat is utilized to preheat the biomass fuel conveyed in the conveying cylinder, the subsequent combustion efficiency can be improved, and the economic benefit can be improved;
3. through setting up rotatory feed portion, make the device have the advantage of intermittent type feed, prevent biomass fuel's in the furnace piling up, can guarantee on the one hand that biomass fuel burns fully, extravagant biomass fuel does not, and on the other hand can guarantee combustion efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the crushing mechanism 4 according to the present invention.
Description of reference numerals: the device comprises a material conveying cylinder 1, a material conveying shaft 11, a helical blade 111, a driving motor 12, a rotary feeding part 2, a rotating shaft 21, a partition plate 211, a sub-cavity 2111, a hopper 3, a material guiding slope 31, a crushing mechanism 4, a crushing wheel 41, a crushing blade 411, a shaft body 412, a crushing motor 4121, a preheating box 5, an air hole 51, a waste heat input pipe 52, a hearth 521 and a discharge pipe 53.
Detailed Description
Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: the device comprises a material conveying cylinder 1, a rotary feeding part 2, a hopper 3, a crushing mechanism 4 and a preheating box 5, wherein a feeding shaft 11 is arranged inside the material conveying cylinder 1, the outer wall of the feeding shaft 11 is welded and provided with a helical blade 111, the feeding shaft 11 is connected with an output shaft of a driving motor 12, the rotary feeding part 2 is fixedly arranged on the material conveying cylinder 1, a rotating shaft 21 is horizontally arranged inside the rotary feeding part 2, the rotating shaft 21 is connected with an output shaft of a servo motor (not shown in the figure), a plurality of partition plates 211 are fixedly arranged on the outer wall of the rotating shaft 21, a sub-cavity 2111 is formed between every two adjacent partition plates 211, the hopper 3 is arranged above the rotary feeding part 2, the crushing mechanism 4 is arranged inside the hopper 3, the crushing mechanism 4 comprises a crushing wheel 41, a crushing blade 411 is arranged on the outer wall of the crushing wheel 41, the crushing wheel 41 is fixedly arranged on a shaft body 412, and the shaft body 412 is connected with the output shaft body of the crushing motor 4121, the preheating box 5 is arranged outside the material conveying cylinder 1, the preheating box 5 is communicated with the material conveying cylinder 1 through an air hole 51, and the preheating box 5 is communicated with the hearth 521 through a waste heat input pipe 52.
And a material guide slope 31 is arranged at the joint of the hopper 3 and the rotary feeding part 2.
The crushing wheels 41 are arranged in two groups in total, and the rotation directions of the two groups of crushing wheels 41 are opposite.
The partition plates 211 are uniformly arranged on the outer wall of the rotating shaft 21, and each partition plate 211 is arranged at equal intervals.
The top of the preheating box 5 is provided with a calandria 53.
The working principle of the utility model is as follows: biomass fuel is put into a hopper, a motor connected with a crushing wheel arranged on the left side in a crushing mechanism drives the biomass fuel to rotate anticlockwise, a motor connected with a crushing wheel arranged on the right side drives the biomass fuel to rotate clockwise, when the biomass fuel passes through two groups of crushing wheels, a crushing blade is used for crushing and cutting the biomass fuel, a rotating shaft is driven by a servo motor connected with the rotating shaft to rotate intermittently, the crushed and refined biomass fuel is guided into sub-cavities through a guide slope, after the last sub-cavity is communicated with a conveying cylinder, the internal biomass fuel falls into the conveying cylinder, at the moment, the conveying shaft is driven by a driving motor to rotate, a helical blade rotates under the action of the rotating shaft, meanwhile, waste heat in a hearth is conveyed into a preheating box through a waste heat input pipe, the waste heat in the preheating box preheats the biomass fuel conveyed in the conveying cylinder through an air hole, and the preheated biomass fuel is finally conveyed into the hearth through a conveying outlet of the conveying cylinder, and the flue gas after the waste heat utilization is discharged to the next treatment process through the calandria.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A feed arrangement for biomass power generation characterized in that: it contains the conveying cylinder, rotatory feed portion, the hopper, broken mechanism, the preheating cabinet, be provided with the pay-off axle in the conveying cylinder, pay-off axle outer wall welded fastening helical blade, the pay-off axle is connected with the driving motor output shaft, connect rotatory feed portion on the conveying cylinder, the inside level of rotatory feed portion sets up the pivot, the pivot is connected with the servo motor output shaft, the fixed a plurality of baffles that set up of pivot outer wall, form between two adjacent baffles and divide the chamber, connect the hopper in the rotatory feed portion, the inside broken mechanism that sets up of hopper, broken mechanism includes broken wheel, broken wheel outer wall is fixed to set up broken blade, broken wheel is fixed to be set up on the axis body, and the axis body is connected with broken motor's output shaft, the conveying cylinder outside is equipped with the preheating cabinet, the conveying cylinder passes through the gas pocket intercommunication with the preheating cabinet, the preheating cabinet passes through waste heat input tube and is connected with furnace.
2. A feeding device for biomass power generation according to claim 1, characterized in that: and a material guide slope is arranged at the joint of the hopper and the rotary feeding part.
3. A feeding device for biomass power generation according to claim 1, characterized in that: the crushing wheels are arranged in two groups, and the rotating directions of the two groups of crushing wheels are opposite.
4. A feeding device for biomass power generation according to claim 1, characterized in that: the baffle evenly distributed in the pivot outer wall, and the equidistance sets up between every baffle.
5. A feeding device for biomass power generation according to claim 1, characterized in that: the top of the preheating box is fixedly connected with a calandria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664423.9U CN215336448U (en) | 2021-04-01 | 2021-04-01 | Feeding device for biomass power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664423.9U CN215336448U (en) | 2021-04-01 | 2021-04-01 | Feeding device for biomass power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215336448U true CN215336448U (en) | 2021-12-28 |
Family
ID=79592480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120664423.9U Active CN215336448U (en) | 2021-04-01 | 2021-04-01 | Feeding device for biomass power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215336448U (en) |
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2021
- 2021-04-01 CN CN202120664423.9U patent/CN215336448U/en active Active
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