A ash removal device for biomass boiler

Abstract

The utility model provides an ash removal device for a biomass boiler, which relates to the technical field of auxiliary equipment for biomass boilers, including an ash removal box, a fan is installed on one side of the surface wall of the ash removal box, a corrugated plate is fastened to one side of the inner wall of the ash removal box, two first filter plates are fastened to one side of the inner wall of the ash removal box, an ash bin is slidably connected to the bottom side of the inner wall of the ash removal box, a working box is fastened to one side of the inner wall of the working box, a motor is installed on one side of the inner wall of the working box, a worm is installed on the output end of the motor, and under the action of the motor, the output end of the motor rotates to drive the worm to rotate, the rotation of the worm drives the worm wheel to rotate, and the rotation of the worm wheel drives the lead screw to move, thereby driving the scraper to scrape off the smoke on the first filter plate, so as to avoid dust clogging the first filter plate and affecting the working efficiency of the first filter plate, while improving the utilization rate of the first filter plate and reducing the working cost of the ash removal operation.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass boiler auxiliary equipment, in particular to a ash removal device for a biomass boiler. Background Art

[0002] A biomass boiler is a boiler system specially designed for burning biomass fuels. Biomass fuels refer to renewable energy sources derived from organisms, such as wood, agricultural waste (such as straw, corn stalks), wood chips, bagasse, municipal solid waste, etc. This type of boiler converts biomass fuels into thermal energy, which can be used to generate steam, hot water or direct heating, and then serve multiple fields such as industrial production, heating, and hot water supply. The structure of a biomass boiler may include a combustion chamber, a heat exchanger, an ash removal device, a deaerator, a water pump and other components to ensure safe and efficient heat conversion. They are usually designed to be vertical or horizontal to adapt to different spaces and installation requirements. Environmental standards are also taken into consideration when designing biomass boilers to ensure that flue gas emissions meet regulatory requirements.

[0003] However, the operation and maintenance costs of the existing biomass boiler ash removal device during ash removal operations are relatively high, mainly because the boiler will generate high-temperature smoke during operation, which will enter the ash removal device and affect the service life of the ash removal device, such as bags and filter elements. High temperature will affect the service life of such devices, and there is a risk of ignition. In addition, such devices need to be replaced frequently and are generally not cleaned. Reuse is not recommended, which increases the cost of ash removal operations. Therefore, it is necessary to propose a new ash removal device for biomass boilers. Utility Model Content

[0004] The utility model aims to solve the problem that high-temperature smoke and dust will be generated during the operation of the boiler, the high temperature affects the service life of the ash removal device, and the bags and filter elements and other devices cannot be reused, which increases the cost of ash removal. A ash removal device for a biomass boiler is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ash removal device for a biomass boiler, comprising an ash removal box, a fan is installed on one side of the surface wall of the ash removal box, a corrugated plate is fastened to one side of the inner wall of the ash removal box, two first filter plates are fastened to one side of the inner wall of the ash removal box, an ash bin is slidably connected to the bottom side of the inner wall of the ash removal box, a working box is fastened to one side of the surface wall of the ash removal box, a motor is installed on one side of the inner wall of the working box, a worm is installed on the output end of the motor, two worm wheels are meshedly connected to one side of the surface wall of the worm, a screw is threadedly connected to one side of the inner wall of the two worm wheels, and a scraper is fastened to one side of the surface wall of the screw.

[0006] Preferably, a box door is hinged on one side of the surface wall of the ash removal box, and a cooling box is fastened to one side of the surface wall of the ash removal box.

[0007] Preferably, one side of the surface wall of the cooling box is connected to an air inlet, and one side of the inner wall of the cooling box is fastened with two second filter plates.

[0008] Preferably, an air distribution plate is fastened to one side of the surface wall of the cooling box, and a water reservoir is fastened to the bottom side of the inner wall of the cooling box.

[0009] Preferably, a filter purifier is installed on one side of the surface wall of the water reservoir, and a water tank is installed on one side of the surface wall of the filter purifier.

[0010] Preferably, a water feeder is installed on one side of the top wall of the water tank, and four water feed pipes are installed on one side of the top wall of the water feeder.

[0011] Preferably, a sprinkler is installed on one side of the surface wall of the four water supply pipes.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, under the action of the motor, the output end of the motor rotates to drive the worm to rotate, the worm rotates to drive the worm wheel to rotate, the worm wheel rotates to drive the lead screw to move, and then drives the scraper to scrape off the smoke and dust on the first filter plate, so as to avoid dust clogging the first filter plate and affecting the working efficiency of the first filter plate, while improving the utilization rate of the first filter plate and reducing the working cost of the dust removal operation.

[0014] 2. In the utility model, the water inside the water tank is sent into the water delivery pipe under the action of the water feeder, and the liquid in the water delivery pipe is sprayed out under the action of the sprinkler, thereby cooling and removing the boiler smoke, protecting the service life of the dust removal device, and reducing the maintenance cost of the dust removal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a ash removal device for a biomass boiler;

[0016] Figure 2 The utility model provides a schematic top view of a three-dimensional structure of a ash removal device for a biomass boiler;

[0017] Figure 3 The utility model provides a schematic diagram of the internal cross-sectional structure of a working box of a ash removal device for a biomass boiler;

[0018] Figure 4 The utility model provides a schematic diagram of the internal cross-sectional structure of a ash removal device for a biomass boiler.

[0019] Legend: 1. Ash removal box; 2. Fan; 3. Ash bin; 4. Corrugated plate; 5. First filter plate; 6. Scraper; 7. Screw; 8. Working box; 9. Motor; 10. Worm gear; 11. Worm; 12. Cooling box; 13. Air inlet; 14. Water supply pipe; 15. Sprinkler; 16. Second filter plate; 17. Water reservoir; 18. Air distributor; 19. Filter purifier; 20. Water tank; 21. Water supply device; 22. Box door. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Example 1: Figure 1-Figure 4 As shown, the utility model provides a technical solution: a ash removal device for a biomass boiler, comprising an ash removal box 1, a fan 2 is installed on one side of the surface wall of the ash removal box 1, a corrugated plate 4 is fastened to one side of the inner wall of the ash removal box 1, two first filter plates 5 are fastened to one side of the inner wall of the ash removal box 1, an ash bin 3 is slidably connected to the bottom side of the inner wall of the ash removal box 1, a working box 8 is fastened to one side of the surface wall of the ash removal box 1, a motor 9 is installed on one side of the inner wall of the working box 8, a worm 11 is installed on the output end of the motor 9, two worm wheels 10 are meshingly connected to one side of the surface wall of the worm 11, screw rods 7 are threadedly connected to one side of the inner wall of the two worm wheels 10, a scraper 6 is fastened to one side of the surface wall of the screw rod 7, and a box door 22 is hinged on one side of the surface wall of the ash removal box 1.

[0023] In this embodiment, the user starts the fan 2 to bring the smoke from the inner wall of the boiler into the interior of the ash removal box 1. The smoke from the boiler is filtered under the action of the two first filter plates 5. At the same time, the diameter of the filter holes of the upper first filter plate 5 is smaller than the diameter of the filter holes on the lower first filter plate 5. The smoke is finely filtered again under the action of the corrugated plate 4. Then, the user starts the motor 9 installed in the working box 8. Under the action of the motor 9, the output end of the motor 9 rotates to drive the worm 11 to rotate, and the rotation of the worm 11 drives the two The worm gears 10 rotate, and the worm gears 10 are rotationally connected to the ash removal box 1 through bearings. The rotation of the two worm gears 10 drives a screw rod 7 to move respectively, and the movement of the screw rod 7 drives the scraper 6 to move. Under the action of the scraper 6, the smoke and dust on the first filter plate 5 is scraped off to avoid dust clogging the first filter plate 5 and affecting the working efficiency of the first filter plate 5. At the same time, the utilization rate of the first filter plate 5 is improved, and the working cost of the ash removal operation is reduced. The scraped smoke and dust particles fall into the interior of the ash bin 3, and the user opens the box door 22 and slides out the ash bin 3 to facilitate the user's handling.

[0024] Example 2: Figure 1-Figure 4 As shown, a cooling box 12 is fastened to one side of the surface wall of the dust removal box 1, an air inlet 13 is connected to one side of the surface wall of the cooling box 12, two second filter plates 16 are fastened to one side of the inner wall of the cooling box 12, an air distribution plate 18 is fastened to one side of the surface wall of the cooling box 12, a water reservoir 17 is fastened to the bottom side of the inner wall of the cooling box 12, a filter purifier 19 is installed on one side of the surface wall of the water reservoir 17, a water tank 20 is installed on one side of the surface wall of the filter purifier 19, a water feeder 21 is installed on one side of the top wall of the water tank 20, four water supply pipes 14 are installed on one side of the top wall of the water feeder 21, and a sprinkler 15 is installed on one side of the surface wall of the four water supply pipes 14.

[0025] In this embodiment, the user adds water to the inside of the water tank 20. Under the action of the water feeder 21, the water inside the water tank 20 is fed into the water feed pipe 14. Under the action of the sprinkler 15, the water is sprayed out to cool the smoke inside the cooling box 12. At the same time, water droplets absorb the smoke particles and can filter the smoke. The two second filter plates 16 filter the smoke particles. The sprayed water falls into the water reservoir 17. Under the action of the filter purifier 19, the waste water is purified and meets the use standard again, and then it is fed into the water tank 20. Under the action of the air distributor 18, the smoke is divided to improve the filtering efficiency of the first filter plate 5, and the smoke enters the cooling box 12 through the air inlet 13.

[0026] The working principle of this embodiment is as follows: when in use, first connect the power supply, the user starts the fan 2, the smoke enters the cooling box 12 through the air inlet 13, the user adds water to the inside of the water tank 20, and under the action of the water feeder 21, the water in the water tank 20 is fed into the water feed pipe 14, and under the action of the sprinkler 15, the water is sprayed out, thereby cooling the smoke inside the cooling box 12, and at the same time, the water droplets absorb the smoke particles, which can filter the smoke, and the sprayed water falls into the water reservoir 17, and under the action of the filter purifier 19, the waste water is purified and reaches the use standard again, and then it is sent to the inside of the water tank 20, through Under the action of the air distributor 18, the smoke is divided to improve the filtering efficiency of the first filter plate 5. Then, the boiler smoke is filtered under the action of the two first filter plates 5. The smoke is filtered again under the action of the corrugated plate 4. The user starts the motor 9. The output end of the motor 9 rotates to drive the worm 11 to rotate. The rotation of the worm 11 drives the two worm gears 10 to rotate. The rotation of the two worm gears 10 drives a screw rod 7 to move respectively. The movement of the screw rod 7 drives the scraper 6 to move. Under the action of the scraper 6, the smoke on the first filter plate 5 is scraped off, and the scraped smoke particles fall into the inside of the ash bin 3. Finally, the user opens the box door 22 and slides out the ash bin 3 for processing.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A ash removal device for a biomass boiler, characterized in that: The invention comprises a dust removal box (1), wherein a fan (2) is installed on one side of the surface wall of the dust removal box (1), a corrugated plate (4) is fastened to one side of the inner wall of the dust removal box (1), two first filter plates (5) are fastened to one side of the inner wall of the dust removal box (1), a dust bin (3) is slidably connected to the bottom side of the inner wall of the dust removal box (1), a working box (8) is fastened to one side of the surface wall of the dust removal box (1), a motor (9) is installed on one side of the inner wall of the working box (8), a worm (11) is installed at the output end of the motor (9), two worm wheels (10) are meshingly connected to one side of the surface wall of the worm (11), a screw rod (7) is threadedly connected to one side of the inner wall of the two worm wheels (10), and a scraper (6) is fastened to one side of the surface wall of the screw rod (7).

2. The ash removal device for a biomass boiler according to claim 1 is characterized in that: A box door (22) is hingedly connected to one side of the surface wall of the ash removal box (1), and a cooling box (12) is fastened to one side of the surface wall of the ash removal box (1).

3. The ash removal device for a biomass boiler according to claim 2 is characterized in that: One side of the surface wall of the cooling box (12) is connected to an air inlet (13), and one side of the inner wall of the cooling box (12) is fastened to two second filter plates (16).

4. The ash removal device for a biomass boiler according to claim 3 is characterized in that: An air distribution plate (18) is fastened to one side of the surface wall of the cooling box (12), and a water reservoir (17) is fastened to the bottom side of the inner wall of the cooling box (12).

5. The ash removal device for a biomass boiler according to claim 4, characterized in that: A filter purifier (19) is installed on one side of the surface wall of the water reservoir (17), and a water tank (20) is installed on one side of the surface wall of the filter purifier (19).

6. The ash removal device for a biomass boiler according to claim 5, characterized in that: A water feeder (21) is installed on one side of the top wall of the water tank (20), and four water feeder pipes (14) are installed on one side of the top wall of the water feeder (21).

7. The ash removal device for a biomass boiler according to claim 6, characterized in that: A sprinkler (15) is installed on one side of the surface wall of each of the four water supply pipes (14).

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