Flue gas soot blower for low-temperature economizer
By designing an adjustable angle flue gas soot blowing device, using hollow motors and gas storage tanks to drive the jet head, the problem of difficult to clean up the ash at the bottom of the low-temperature economizer is solved, and efficient and comprehensive dust cleaning effect is achieved, reducing labor Operational workload and safety risks.
Patent Information
- Application Number
- CN202421077579.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The bottom of the low-temperature economizer is prone to accumulation of dust, and the angle of the existing blowing pipe cannot be adjusted, resulting in low cleaning efficiency and manual operation is time-consuming and unsafe.
Design a flue gas soot blowing device, including a loading box, air injection pipe and jet head, and drives the jet head to rotate with a hollow motor, combining the sliding structure of the support column and the bearing seat to achieve angle adjustment and full coverage of the jet head, through high The flow rate air sprays dust, and uses a gas storage tank and air compressor to provide high-pressure air.
It improves the efficiency and coverage of dust cleaning, reduces the workload of manual operations, enhances safety, and achieves a comprehensive ash removal effect.
Smart Images
Figure CN222297965U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of economizers, in particular to a flue gas soot blowing device for low-temperature economizers. Background Art
[0002] The bottom of the low-temperature economizer is prone to dust accumulation during use. Long-term dust accumulation will reduce the use effect of the economizer, so regular cleaning is necessary. At present, the method for cleaning the dust at the bottom of the low-temperature economizer is mostly to set a blowpipe that can move up and down in the economizer. This method is simple to operate, but the angle of the blowpipe cannot be adjusted, and the cleaning effect is poor. If a worker holds the blowpipe and extends it into the economizer for manual soot blowing, the angle can be adjusted, but the manual operation is labor-intensive and inefficient, and the workers cannot be in an environment with high smoke content for a long time. Therefore, how to effectively combine the adjustable blowing angle with the low-temperature economizer to improve the cleaning efficiency is a technical problem that technicians in this field need to solve urgently. Utility Model Content
[0003] The utility model aims to provide a flue gas soot blowing device for a low-temperature economizer to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flue gas soot blowing device for a low-temperature economizer, comprising a loading box, an air injection pipe and an air nozzle, the air injection pipe is located in the loading box, and a plurality of air delivery ports are provided on the air injection pipe, a hollow motor is provided between the air delivery port and the air nozzle, the hollow shaft of the hollow motor is rotatably matched with the air nozzle through a sealed bearing, the air nozzle is provided with mutually staggered perpendicular transverse airways and vertical airways, the outer end of the vertical airway and both ends of the transverse airway pass through the air nozzle, and the hollow shaft of the hollow motor is provided with an air inlet channel for connecting the air delivery port and the vertical airway.
[0005] The following improvements are made in the present application: a accommodating chamber is provided in the loading box, the gas injection pipe is placed in the accommodating chamber, a through groove is opened at a position on the inner wall of the accommodating chamber corresponding to the gas outlet, the upper end of the hollow motor is embedded in the through groove, and the lower end thereof extends outward through the through groove.
[0006] The following improvement is made in the solution of the present application: a protective tube is provided on the hollow motor located outside the through slot, and the lower end of the protective tube extends to the periphery of the jet head located above the transverse airway.
[0007] The following improvement is made in the solution of the present application: the flue gas soot blowing device also includes support columns and a receiving seat arranged on both sides of the loading box, and the lower end of the support column is slidably connected to the receiving seat.
[0008] The following improvement is made in the present application: a slide groove is provided on the receiving seat, a telescopic cylinder is provided in the receiving seat at one end of the slide groove, and the output end of the telescopic cylinder extends into the slide groove and is fixedly connected to the support column.
[0009] The following improvements are made in the present application: an air tank is embedded in a support column corresponding to the input end of the air injection pipe, the top of the air tank is connected to the air injection pipe, and a connecting pipe for connecting to an external air compressor is provided on the side of the air tank, and the connecting pipe extends outward through the support column.
[0010] Compared with the prior art, the utility model provides a flue gas soot blowing device for a low-temperature economizer, which has the following beneficial effects:
[0011] 1. The utility model is connected to an air compressor through a connecting pipe to compress the air and send it into an air storage tank, and then introduces the air into an injection pipe to pass through the air inlet channel and spray out from the horizontal air channel and the vertical air channel on the spray head. The high-speed air cooperates with the hollow motor to drive the spray head to rotate, so that the sprayed gas can fully contact the entire end surface in the bottom horizontal area, clean up the dead corners of dust accumulation, and effectively improve the dust removal effect.
[0012] 2. The utility model enables the nozzle to slide longitudinally along with the support column through the matching arrangement between the support column and the receiving seat, covering the entire bottom end surface and realizing all-round dust removal. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the connection between the gas injection pipe and the injection head;
[0015] Figure 3 It is a schematic diagram of the connection between the receiving seat and the supporting column.
[0016] In the figure: 1. loading box; 11. accommodating chamber; 12. through groove; 2. gas injection pipe; 21. gas delivery port; 3. nozzle; 31. horizontal airway; 32. vertical airway; 4. hollow motor; 41. air intake channel; 5. protective tube; 6. supporting column; 61. gas storage tank; 62. connecting pipe; 7. receiving seat; 71. slide groove; 72. telescopic cylinder. DETAILED DESCRIPTION
[0017] The technical scheme in the embodiment of the present invention will be described below in conjunction with the accompanying drawings in the embodiment of the present invention:
[0018] like Figure 1-3As shown, a flue gas soot blowing device for a low-temperature economizer is mainly composed of a loading box 1, an air injection pipe 2, an air jet 3, a hollow motor 4, a protective tube 5, a support column 6 and a receiving seat 7; wherein, a receiving chamber 11 is provided in the loading box 1, and the air injection pipe 2 is placed in the receiving chamber 11. A through groove 12 is opened at a position of the inner wall of the receiving chamber 11 corresponding to the air delivery port 21. The upper end of the hollow motor 4 is embedded in the through groove 12, and the lower end thereof passes through the through groove 12 and extends outward; the air injection pipe 2 is provided with two air delivery ports 21, and the hollow motor 4 is provided with a plurality of air delivery ports 21. The hollow shaft of the hollow motor 4 is rotatably matched with the nozzle head 3 through a sealed bearing. The nozzle head 3 is provided with a transverse airway 31 and a vertical airway 32 that are staggered and perpendicular to each other. The outer end of the vertical airway 32 and both ends of the transverse airway 31 pass through the nozzle head 3. The hollow shaft of the hollow motor 4 is provided with an air inlet channel 41 for connecting the air delivery port 21 and the vertical airway 32. A protective tube 5 is provided on the hollow motor 4 located outside the through groove 12, and the lower end of the protective tube 5 extends to the outer periphery of the nozzle head 3 above the transverse airway 31.
[0019] There are two support columns 6, which are respectively arranged on both sides of the loading box 1. The receiving seat 7 is located below the support column 6, and a slide groove 71 is opened on the receiving seat 7. A telescopic cylinder 72 is provided in the receiving seat 7 located at one end of the slide groove 711. The output end of the telescopic cylinder 72 extends into the slide groove 71 and is fixedly connected to the support column 6. At the same time, a support column 6 corresponding to the input end of the air injection pipe 2 is embedded with an air tank 61, the top of the air tank 61 is connected to the air injection pipe 2, and a connecting pipe 62 for connecting to an external air compressor is provided on the side of the air tank 61, and the connecting pipe 62 passes through the support column 6 and extends outward.
[0020] Working principle: The air is connected to the air compressor through the connecting pipe 62 to compress the air and send it into the air storage tank 61, and then introduced into the air injection pipe 2 through the air inlet channel 41 to be ejected from the horizontal air channel 31 and the vertical air channel 32 on the nozzle head 3. The high-flow air cooperates with the hollow motor 4 to drive the nozzle head 3 to rotate, so that the ejected gas can fully contact the entire end surface in the bottom horizontal area, clean up the dead corners of dust accumulation, and effectively improve the dust removal effect; through the coordinated setting between the support column 6 and the receiving seat 7, the nozzle head 3 can slide longitudinally with the support column 6 to cover the entire bottom end surface, thereby realizing all-round dust removal.
[0021] The above embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of 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.
Claims
1. A flue gas soot blowing device for a low-temperature economizer, characterized in that: The invention comprises a loading box (1), an air injection pipe (2) and an air jet head (3); the air injection pipe (2) is located in the loading box (1), and a plurality of air delivery ports (21) are provided on the air injection pipe (2); a hollow motor (4) is provided between the air delivery ports (21) and the air jet head (3); the hollow shaft of the hollow motor (4) is rotatably matched with the air jet head (3) via a sealing bearing; the air jet head (3) is provided with transverse air passages (31) and vertical air passages (32) which are staggered and perpendicular to each other; the outer ends of the vertical air passages (32) and the two ends of the transverse air passages (31) both pass through the air jet head (3); the hollow shaft of the hollow motor (4) is provided with an air inlet passage (41) for connecting the air delivery ports (21) and the vertical air passages (32).
2. A flue gas soot blowing device for a low-temperature economizer according to claim 1, characterized in that: The loading box (1) is provided with a receiving chamber (11), the gas injection pipe (2) is placed in the receiving chamber (11), a through groove (12) is provided at a position of the inner wall of the receiving chamber (11) corresponding to the gas delivery port (21), the upper end of the hollow motor (4) is embedded in the through groove (12), and the lower end thereof passes through the through groove (12) and extends outward.
3. A flue gas soot blowing device for a low-temperature economizer according to claim 2, characterized in that: A protective tube (5) is sleeved on the hollow motor (4) located outside the through groove (12), and the lower end of the protective tube (5) extends to the outer periphery of the spray head (3) located above the transverse airway (31).
4. The flue gas soot blowing device for a low-temperature economizer according to claim 1, characterized in that: The flue gas soot blowing device also includes support columns (6) and a receiving seat (7) arranged on both sides of the loading box (1), and the lower end of the support column (6) is slidably connected to the receiving seat (7).
5. A flue gas soot blowing device for a low-temperature economizer according to claim 4, characterized in that: The receiving seat (7) is provided with a slide groove (71), and a telescopic cylinder (72) is provided in the receiving seat (7) at one end of the slide groove (71), and the output end of the telescopic cylinder (72) extends into the slide groove (71) and is sleeved and fixed with the support column (6).
6. A flue gas soot blowing device for a low-temperature economizer according to claim 5, characterized in that: An air storage tank (61) is embedded in one of the support columns (6) corresponding to the input end of the air injection pipe (2). The top end of the air storage tank (61) is connected to the air injection pipe (2). A connecting pipe (62) for connecting to an external air compressor is provided on the side of the air storage tank (61). The connecting pipe (62) passes through the support column (6) and extends outward.