Soot blowing device of biomass grate-fired boiler

Abstract

The utility model discloses a biomass grate-fired boiler soot blower, and particularly relates to the technical field of boiler soot blowing, which comprises a moving seat, a soot collecting box arranged on the surface of the moving seat, a kinetic energy box arranged on one side of the soot collecting box, a mounting box rotatably connected to one side of the kinetic energy box, an adjusting component arranged inside the mounting box, and a lifting platform connected to the bottom of the kinetic energy box. The lifting table is arranged on the surface of the moving seat, a fan is arranged at the bottom of the lifting table, the output end of the fan is connected with the dust collecting box, the input end of the fan is connected with a connecting pipe, and one end of the connecting pipe is connected with a dust blowing assembly. By arranging the first U-shaped soot blowing pipe and the second U-shaped soot blowing pipe, the boiler soot blowing device can adapt to boiler inner diameters of different sizes, the adaptability of the boiler soot blowing device is improved, the boiler soot blowing device is driven by the hydraulic rod to move in cooperation to achieve the function of moving back and forth, ash on the surface of the boiler is scraped away through the scraper, dead-corner-free collection of the ash in the boiler is achieved, and the cleaning efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler soot blowing, and more specifically, to a soot blowing device for a biomass layer-fired boiler. Background Art

[0002] At present, in the steam industry, it is necessary to heat the boiler to produce steam, and the heat of the boiler requires the burning of fuels such as coal, which will produce a large amount of smoke and dust. Over time, dust is easily accumulated in the flue of the boiler, causing blockage. If these dusts are not removed in time, it will not only reduce the thermal conductivity of the boiler, but also affect the work quality. This requires the use of a soot blowing device, but the existing soot blowing device will generate a large amount of dust during the production process of the boiler, and these dusts are directly discharged without treatment, which will pollute the environment.

[0003] After searching, the Chinese patent with publication number CN213101356U discloses a sootblowing device for a biomass layer-fired boiler. The structure sets up a purification device, and the fan blades rotate at high speed to introduce the dust in the boiler into the purification box. The liquid in the water tank is pumped to the nozzle and sprayed out from the nozzle, thereby purifying the dust in the gas and avoiding environmental pollution.

[0004] However, in actual use, since the structure fixes the sootblowing horn to the boiler port via a flange, and then introduces the dust in the boiler into the purification box for centralized treatment via a fan, the sootblowing horn has a certain limitation in its sootblowing range due to its connection with the boiler port, resulting in reduced sootblowing effect at locations far away from the sootblowing horn during the sootblowing process. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a sootblowing device for a biomass layer-fired boiler to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sootblowing device for a biomass layer fired boiler, comprising a movable seat, an ash collecting box is arranged on the surface of the movable seat, a kinetic energy box is arranged on one side of the ash collecting box, a mounting box is rotatably connected to one side of the kinetic energy box, an adjusting component is arranged inside the mounting box, a lifting platform is connected to the bottom of the kinetic energy box, the lifting platform is arranged on the surface of the movable seat, a fan is arranged at the bottom of the lifting platform, the output end of the fan is connected to the ash collecting box, the input end of the fan is connected to a connecting pipe, one end of the connecting pipe is connected to a sootblowing component, the above-mentioned technical solution is adopted to increase the sootblowing range.

[0007] Preferably, the adjustment component includes two cross bars rotatably arranged inside the installation box, one of the cross bars is provided with threads in opposite directions on the outside, and one end passes through the installation box to be provided with a motor and is connected to its output end, two connecting blocks are symmetrically sleeved on the outside of the two cross bars, a second fixed block is commonly connected between every two connecting blocks, and a hydraulic rod is fixedly sleeved on the inside of the two second fixed blocks; the sootblowing assembly includes a first fixed block fixedly arranged at the output end of the hydraulic rod, one of the first fixed blocks is connected to the second sootblowing U-shaped tube on the outside, and the other first fixed block is connected to the first sootblowing U-shaped tube on the outside, the first sootblowing U-shaped tube is sleeved inside the second sootblowing U-shaped tube and is slidably connected to the second sootblowing U-shaped tube; the second sootblowing U-shaped tube is connected to the outer end of the connecting tube, and a plurality of sootblowing ports are provided on the surfaces of the first sootblowing U-shaped tube and the second sootblowing U-shaped tube. The above technical scheme is adopted to facilitate the adjustment of the first sootblowing U-shaped tube and the second sootblowing U-shaped tube to telescopically adapt to boilers of different sizes, thereby improving the sootblowing effect.

[0008] Preferably, a plurality of scrapers are provided on the outer sides of the first sootblowing U-shaped tube and the second sootblowing U-shaped tube, and the above technical solution is adopted to improve the sootblowing efficiency.

[0009] Preferably, a plurality of universal wheels are provided at the bottom of the movable base, and the above technical solution is adopted to facilitate the movement of the device.

[0010] Technical effects and advantages of the utility model:

[0011] 1. By arranging the first sootblowing U-shaped tube and the second sootblowing U-shaped tube, the first sootblowing U-shaped tube and the second sootblowing U-shaped tube are passed through the boiler port and enter the interior of the movable seat, and then the cross bar is driven to rotate by a motor, so that the second fixed block can move to both sides to adapt to the inner diameter of boilers of different sizes, thereby improving the adaptability of the device, and the first sootblowing U-shaped tube and the second sootblowing U-shaped tube are driven to move in parallel by a hydraulic rod, and the fan collects the ash inside the boiler through the sootblowing port and enters the interior of the connecting pipe and transmits it to the interior of the intermediate ash collecting box, thereby realizing the collection of ash inside the boiler without dead angles and improving the cleaning efficiency.

[0012] 2. By arranging scrapers on the surfaces of the first sootblowing U-shaped tube and the second sootblowing U-shaped tube, when sootblowing inside the boiler, the scrapers of the first sootblowing U-shaped tube and the second sootblowing U-shaped tube contact the inner wall of the boiler during movement to scrape off the ash, thereby effectively improving the sootblowing effect and increasing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the first sootblowing U-shaped tube and the second sootblowing U-shaped tube of the utility model.

[0015] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0016] Figure 4 This is a schematic diagram of the installation box structure of the utility model.

[0017] Figure 5 This is a schematic diagram of the hydraulic rod structure of the utility model.

[0018] The accompanying drawings are marked as follows: 1. movable seat; 2. fan; 3. connecting pipe; 4. lifting platform; 5. ash collecting box; 6. kinetic energy box; 7. installation box; 8. first soot blowing U-shaped tube; 9. second soot blowing U-shaped tube; 10. first fixed block; 11. hydraulic rod; 12. soot blowing port; 13. scraper; 14. motor; 15. second fixed block; 16. cross bar; 17. connecting block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] As attached Figure 1-5 The sootblowing device of a biomass layer-fired boiler shown in the figure comprises a movable seat 1, an ash collecting box 5 is arranged on the surface of the movable seat 1, a kinetic energy box 6 is arranged on one side of the ash collecting box 5, a mounting box 7 is rotatably connected to one side of the kinetic energy box 6, an adjusting component is arranged inside the mounting box 7, a lifting platform 4 is connected to the bottom of the kinetic energy box 6, the lifting platform 4 is arranged on the surface of the movable seat 1, a fan 2 is arranged at the bottom of the lifting platform 4, the output end of the fan 2 is connected to the ash collecting box 5, the input end of the fan 2 is connected to a connecting pipe 3, and one end of the connecting pipe 3 is connected to a sootblowing component; a plurality of universal wheels are arranged at the bottom of the movable seat 1, and the universal wheels are rotated by pushing the movable seat 1, so as to conveniently drive the device to move.

[0021] As attached Figure 1 , 45, the adjustment component includes two cross bars 16 rotatably arranged inside the installation box 7, one of the cross bars 16 is provided with threads in opposite directions on the outside, and one end passes through the installation box 7 to be provided with a motor 14 and is connected to its output end, two cross bars 16 are symmetrically sleeved with two connecting blocks 17 on the outside, a second fixed block 15 is commonly connected between every two connecting blocks 17, and a hydraulic rod 11 is fixedly sleeved inside the two second fixed blocks 15; the sootblowing component includes a first fixed block 10 fixedly arranged at the output end of the hydraulic rod 11, one of the first fixed blocks 10 is connected to the second sootblowing U-shaped tube 9 on the outside, and the other first fixed block 10 is connected to the first sootblowing U-shaped tube 8 on the outside, and the first sootblowing U-shaped tube 8 is set inside the second sootblowing U-shaped tube 9 and is slidably connected to the second sootblowing U-shaped tube 9; the second sootblowing U-shaped tube 9 is connected to the outer end of the connecting tube 3, and the surfaces of the first sootblowing U-shaped tube 8 and the second sootblowing U-shaped tube 9 are both provided with a plurality of sootblowing ports 12. The motor 14 is used to drive the cross bar 16 to rotate, and the second fixed block 15 is adjusted to move to both sides to adapt to the inner diameter of boilers of different sizes, thereby improving the adaptability of the device, and the hydraulic rod 11 is used to drive the first sootblowing U-shaped tube 8 and the second sootblowing U-shaped tube 9 to move in parallel. The fan 2 collects the ash inside the boiler through the sootblowing ports 12 and enters the inside of the connecting tube 3 and transmits it to the inside of the intermediate ash box 5, thereby realizing the collection of ash inside the boiler without dead angles and improving the cleaning efficiency.

[0022] As attached Figure 2-3 As shown, a plurality of scrapers 13 are arranged on the outer sides of the first sootblowing U-shaped tube 8 and the second sootblowing U-shaped tube 9. During the parallel movement of the first sootblowing U-shaped tube 8 and the second sootblowing U-shaped tube 9, the scrapers 13 arranged on the surface thereof scrape off the ash on the surface of the boiler, which can assist the first sootblowing U-shaped tube 8 and the second sootblowing U-shaped tube 9 to improve the sootblowing effect.

[0023] Working principle of the utility model: when the device is in use, first, the movable seat 1 is pushed to move to the boiler port, and then the first soot blowing U-shaped tube 8 and the second soot blowing U-shaped tube 9 are passed through the boiler port into the movable seat 1, and then the motor 14 is used to drive the cross bar 16 to rotate, so that the second fixed block 15 can move to both sides. When the second fixed block 15 moves, it drives the first soot blowing U-shaped tube 8 and the second soot blowing U-shaped tube 9 to move to both sides, so that the surfaces of the first soot blowing U-shaped tube 8 and the second soot blowing U-shaped tube 9 are in contact with the inner wall of the boiler, and at the same time, the scraper 13 is in contact with the inner wall of the boiler. Contact, then turn on the external power supply of the fan 2, and use the hydraulic rod 11 to drive the first sootblowing U-shaped tube 8 and the second sootblowing U-shaped tube 9 to move in parallel. During the parallel movement of the first sootblowing U-shaped tube 8 and the second sootblowing U-shaped tube 9, the scrapers 13 arranged on the surface scrape off the ash on the surface of the boiler, and the fan 2 collects the ash inside the boiler through the sootblowing port 12 into the inside of the connecting pipe 3 and transmits it to the inside of the intermediate ash collecting box 5, and can drive the first sootblowing U-shaped tube 8 and the second sootblowing U-shaped tube 9 to rotate by rotating the mounting box 7, thereby realizing the function of collecting ash without dead angles inside the boiler.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sootblowing device for a biomass layer-fired boiler, comprising a movable seat (1), characterized in that: The surface of the movable seat (1) is provided with an ash collecting box (5), one side of the ash collecting box (5) is provided with a kinetic energy box (6), one side of the kinetic energy box (6) is rotatably connected to a mounting box (7), an adjusting component is provided inside the mounting box (7), the bottom of the kinetic energy box (6) is connected to a lifting platform (4), the lifting platform (4) is provided on the surface of the movable seat (1), a fan (2) is provided at the bottom of the lifting platform (4), the output end of the fan (2) is connected to the ash collecting box (5), the input end of the fan (2) is connected to a connecting pipe (3), one end of the connecting pipe (3) is connected to a soot blowing component.

2. The sootblowing device for a biomass layer fired boiler according to claim 1 is characterized in that: The adjustment assembly comprises two cross bars (16) rotatably arranged inside the installation box (7), wherein one of the cross bars (16) is provided with threads in opposite directions on the outside, and one end of the cross bars (16) passes through the installation box (7) and is provided with a motor (14) and is connected to the output end thereof, and two connecting blocks (17) are symmetrically sleeved on the outside of the two cross bars (16), and a second fixed block (15) is commonly connected between every two connecting blocks (17), and a hydraulic rod (11) is fixedly sleeved inside the two second fixed blocks (15).

3. The sootblowing device for a biomass layer fired boiler according to claim 1 is characterized in that: The sootblowing assembly comprises a first fixed block (10) fixedly arranged at the output end of a hydraulic rod (11), wherein the outside of one of the first fixed blocks (10) is connected to a second sootblowing U-shaped tube (9), and the outside of another first fixed block (10) is connected to a first sootblowing U-shaped tube (8), and the first sootblowing U-shaped tube (8) is sleeved inside the second sootblowing U-shaped tube (9) and is slidably connected to the second sootblowing U-shaped tube (9).

4. The sootblowing device for a biomass layer fired boiler according to claim 3 is characterized in that: The second sootblowing U-shaped tube (9) is connected to the outer end of the connecting tube (3), and a plurality of sootblowing ports (12) are provided on the surfaces of the first sootblowing U-shaped tube (8) and the second sootblowing U-shaped tube (9).

5. The sootblowing device for a biomass layer fired boiler according to claim 3 is characterized in that: A plurality of scrapers (13) are arranged on the outer sides of the first sootblowing U-shaped tube (8) and the second sootblowing U-shaped tube (9).

6. The sootblowing device for a biomass layer fired boiler according to claim 1 is characterized in that: The bottom of the movable seat (1) is provided with a plurality of universal wheels.

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