Efficient cleaning device for boiler heating surface of thermal power plant

By designing boiler cleaning components and heating surface cleaning components on the boiler heating surface, combined with water injection and sewage discharge components, the problems of limited cleaning and poor drainage were solved, achieving efficient cleaning and improved safety of the heating surface.

CN223622887UActive Publication Date: 2025-12-02NANJIANG ENERGY (GROUP) CO LTD XINJIANG POWER GENERATION BRANCH
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Patent Information

Application Number
CN202423262694.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-02
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing boiler heating surface cleaning devices have problems with limited cleaning and poor drainage, which may lead to accidents during boiler use.

Method used

A high-efficiency cleaning device for the heating surface of a boiler in a thermal power plant was designed, including a boiler cleaning component, a heating surface cleaning component, a water injection component, and a sewage discharge component. These components are used to rinse the heating surface and scrape off the deposits on the inner wall, respectively, and to transport and collect the cleaning fluid and waste liquid through connecting pipes and a pump system.

Benefits of technology

It enables efficient cleaning of the heating surface and timely discharge of wastewater, preventing boiler accidents and improving the safety and cleaning efficiency of boiler operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient cleaning device for a boiler heating surface of a thermal power plant. The boiler cleaning assembly is assembled on the fixing plate and used for flushing a heated surface; the heating surface cleaning assembly is assembled on the fixed plate and is used for scraping the inner wall of the heating surface; according to the device, the boiler cleaning assembly and the heating surface cleaning assembly are assembled on the fixing plate and are used for flushing the heating surface and scraping inner wall sediments respectively. A cleaning water tank in the water injection assembly is connected with a cleaning water pump through a first connecting pipe, and the cleaning water pump provides cleaning liquid for the boiler cleaning assembly through a connecting hose. Meanwhile, a sewage tank in the sewage discharging assembly is connected with a sewage pump through a second connecting pipe, the sewage pump conveys waste liquid to a filter through a second connecting hose, and finally the waste liquid is collected in the sewage tank, so that internal sewage is discharged, and accidents are prevented.
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Description

Technical Field

[0001] This utility model relates to the field of thermal power plant technology, and more specifically, to a high-efficiency cleaning device for the heating surface of a boiler in a thermal power plant. Background Technology

[0002] Thermal power plants are facilities that use the heat generated from burning fossil fuels such as coal, natural gas, or oil to heat water, producing steam that drives turbines, which in turn drive generators to produce electricity. They play an important role in the global electricity supply, but they are also a concern due to the greenhouse gases and pollutants emitted from their combustion.

[0003] A search revealed an existing patent (publication number: CN215032010U) that discloses a cleaning device for boiler heating surfaces. The device includes a water tank, an outlet pipe on one side of the water tank, a valve at the upper end of the outlet pipe, a transport pipe at one end of the outlet pipe, a spray pipe at one end of the transport pipe, a spray hole at the lower end of the spray pipe, a support ring on one side of the spray pipe, a support column inside the support ring, a fixing block on one side of the support ring, a drive motor at the upper end of the support column, a drive shaft at the lower end of the drive motor, a cleaning rod on one side of the drive shaft, and a cleaning block at one end of the cleaning rod. This utility model provides a cleaning device for boiler heating surfaces, which facilitates fixing the cleaning device to the boiler, makes cleaning the boiler heating surfaces easier, allows for the removal of impurities from the boiler heating surfaces using a cleaning block, and facilitates the rinsing away of fine impurities from the boiler heating surfaces using water flow.

[0004] The scraping equipment described above can only clean part of the heated surface, and because it is difficult for the boiler to drain from the bottom, some wastewater is difficult to discharge during the cleaning process, which may lead to accidents when the boiler is in use. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, this utility model provides a high-efficiency cleaning device for the heating surface of boilers in thermal power plants, so as to solve the problems of limited cleaning of scraping equipment, poor drainage, or boiler accidents.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a high-efficiency cleaning device for the heating surface of a boiler in a thermal power plant, comprising: a fixed plate; a boiler cleaning assembly mounted on the fixed plate, the boiler cleaning assembly being used to rinse the heating surface; a heating surface cleaning assembly mounted on the fixed plate, the heating surface cleaning assembly being used to scrape the inner wall of the heating surface; a water injection assembly mounted on one side of the boiler cleaning assembly, the water injection assembly being used to provide cleaning fluid to the boiler cleaning assembly; and a wastewater discharge assembly mounted on the fixed plate, the wastewater discharge assembly being used to collect the waste liquid generated by the boiler cleaning assembly.

[0007] Preferably, the boiler cleaning assembly includes: a fixing member fixedly installed at the bottom of the fixing plate, a rotating rod movably sleeved on the fixing member, a sleeve fixedly sleeved on the fixing member, a connecting rope fixedly connected to the sleeve, and a connecting member fixedly installed at the bottom of the connecting rope.

[0008] Preferably, the boiler cleaning assembly further includes: a connecting ring fixedly installed at the bottom of the connector, a spray head fixedly installed on the outer surface of the connecting ring, a motor fixedly installed on one side of the fixing member, and a drive shaft of the motor fixedly connected to one end of the rotating rod.

[0009] Preferably, the heated surface cleaning assembly includes: a second motor fixedly installed on the top of the fixed plate, a threaded rod fixedly installed on the drive end of the second motor, a limit rod fixedly installed on the bottom of the fixed plate, a cleaning ring movably sleeved on the outer surface of the threaded rod and the limit rod, a connecting plate fixedly installed on the bottom of the limit rod, and the bottom of the threaded rod movably installed on the connecting plate.

[0010] Preferably, the water injection assembly includes: a cleaning water tank disposed on one side of the fixed plate, a connecting pipe fixedly installed on the top of the cleaning water tank, a cleaning water pump fixedly installed at one end of the connecting pipe, a connecting hose fixedly installed on the top of the cleaning water pump, and one end of the connecting hose.

[0011] Preferably, the sewage discharge assembly includes: a sewage tank assembled on one side of the fixed plate, a connecting pipe II fixedly installed on the top of the sewage tank, a sewage pump fixedly installed at one end of the connecting pipe II, a connecting hose II fixedly installed on the top of the sewage pump, a filter fixedly installed at one end of the connecting hose II, and the connecting hose II movably sleeved on the fixed plate.

[0012] Preferably, the fixing component, rotating rod, sleeve, connecting rope, connector, and motor are provided in two sets, and the two sets of fixing components, rotating rod, sleeve, connecting rope, connector, and motor are symmetrically arranged at the bottom of the fixing plate.

[0013] Preferably, the spray head is provided in multiple sets, and the multiple sets of spray heads are installed at equal intervals on the outer surface of the connecting ring.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention utilizes a boiler cleaning assembly and a heating surface cleaning assembly mounted on a fixed plate, used for rinsing the heating surface and scraping off deposits from the inner wall, respectively. The cleaning water tank in the water injection assembly is connected to a cleaning water pump via a connecting pipe, and the cleaning water pump supplies cleaning fluid to the boiler cleaning assembly via a connecting hose. Simultaneously, the wastewater tank in the sewage discharge assembly is connected to a wastewater pump via a connecting pipe, and the wastewater pump transports wastewater to a filter via a connecting hose. Finally, the wastewater is collected in the wastewater tank, thus achieving the discharge of internal wastewater and preventing accidents. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the boiler cleaning component structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the heated surface cleaning assembly of this utility model;

[0019] Figure 4 This is a schematic diagram of the water injection component structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the sewage discharge component structure of this utility model.

[0021] [Figure Labels]

[0022] 1. Fixing plate; 2. Boiler cleaning assembly; 3. Heating surface cleaning assembly; 4. Water injection assembly; 5. Sewage discharge assembly; 201. Fixing component; 202. Rotating rod; 203. Sleeve; 204. Connecting rope; 205. Connecting component; 206. Connecting ring; 207. Spray head; 208. Motor 1; 301. Motor 2; 302. Threaded rod; 303. Limiting rod; 304. Cleaning ring; 305. Connecting plate; 401. Cleaning water tank; 402. Connecting pipe 1; 403. Cleaning water pump; 404. Connecting hose 1; 501. Sewage tank; 502. Connecting pipe 2; 503. Sewage pump; 504. Connecting hose 2; 505. Filter. Detailed Implementation

[0023] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0024] Example 1

[0025] A preferred embodiment of the high-efficiency cleaning device for boiler heating surfaces in thermal power plants provided by this utility model is, for example... Figures 1 to 5 As shown: It includes: a fixing plate 1; a boiler cleaning assembly 2 mounted on the fixing plate 1, which is used to rinse the heated surface; a heated surface cleaning assembly 3 mounted on the fixing plate 1, which is used to scrape the inner wall of the heated surface; a water injection assembly 4 mounted on one side of the boiler cleaning assembly 2, which is used to provide cleaning fluid to the boiler cleaning assembly 2; and a sewage discharge assembly 5 mounted on the fixing plate 1, which is used to collect the waste liquid generated by the boiler cleaning assembly 2.

[0026] In this embodiment, the boiler cleaning assembly 2 includes: a fixing member 201 fixedly installed at the bottom of the fixing plate 1, a rotating rod 202 movably sleeved on the fixing member 201, a sleeve 203 fixedly sleeved on the fixing member 201, a connecting rope 204 fixedly connected to the sleeve 203, and a connecting member 205 fixedly installed at the bottom of the connecting rope 204.

[0027] In this embodiment, the boiler cleaning assembly 2 further includes: a connecting ring 206 fixedly installed at the bottom of the connector 205, a spray head 207 fixedly installed on the outer surface of the connecting ring 206, and a motor 208 fixedly installed on one side of the fixing member 201, the drive shaft of the motor 208 being fixedly connected to one end of the rotating rod 202.

[0028] In this embodiment, the heated surface cleaning assembly 3 includes: a second motor 301 fixedly installed on the top of the fixed plate 1, a threaded rod 302 fixedly installed on the drive end of the second motor 301, a limit rod 303 fixedly installed on the bottom of the fixed plate 1, a cleaning ring 304 movably sleeved on the outer surface of the threaded rod 302 and the limit rod 303, a connecting plate 305 fixedly installed on the bottom of the limit rod 303, and the bottom of the threaded rod 302 movably installed on the connecting plate 305.

[0029] When using the high-efficiency cleaning device for the heating surfaces of boilers in thermal power plants, the boiler cleaning assembly 2 and the heating surface cleaning assembly 3 are first fixed to the fixing plate 1. The boiler cleaning assembly 2 is connected to the spray head 207 via the connecting rope 204 and the connector 205. The rotating rod 202 is driven by the motor 208 to perform the cleaning action and rinse the heating surface. At the same time, the heating surface cleaning assembly 3 is driven by the threaded rod 302 by the motor 301, which causes the cleaning ring 304 to move on the limiting rod 303 to scrape off the deposits on the inner wall of the heating surface.

[0030] Example 2

[0031] Based on Embodiment 1, a preferred embodiment of the high-efficiency cleaning device for boiler heating surfaces in thermal power plants provided by this utility model is as follows: Figures 1 to 5 As shown: The water injection assembly 4 includes: a cleaning water tank 401 disposed on one side of the fixed plate 1, a connecting pipe 402 fixedly installed on the top of the cleaning water tank 401, a cleaning water pump 403 fixedly installed at one end of the connecting pipe 402, a connecting hose 404 fixedly installed on the top of the cleaning water pump 403, and one end of the connecting hose 404.

[0032] In this embodiment, the sewage discharge assembly 5 includes: a sewage tank 501 assembled on one side of the fixed plate 1, a connecting pipe 502 fixedly installed on the top of the sewage tank 501, a sewage pump 503 fixedly installed at one end of the connecting pipe 502, a connecting hose 504 fixedly installed on the top of the sewage pump 503, a filter 505 fixedly installed at one end of the connecting hose 504, and the connecting hose 504 is movably sleeved on the fixed plate 1.

[0033] The aforementioned device first consists of a boiler cleaning assembly 2 and a heating surface cleaning assembly 3 mounted on a fixed plate 1, used for rinsing the heating surface and scraping off deposits from the inner wall, respectively. The cleaning water tank 401 in the water injection assembly 4 is connected to a cleaning water pump 403 via a connecting pipe 402. The cleaning water pump 403 supplies cleaning fluid to the boiler cleaning assembly 2 via a connecting hose 404. Simultaneously, the wastewater tank 501 in the sewage discharge assembly 5 is connected to a wastewater pump 503 via a connecting pipe 502. The wastewater pump 503 transports wastewater to a filter 505 via a connecting hose 504. Finally, the wastewater is collected in the wastewater tank 501, thus achieving the discharge of internal wastewater and preventing accidents.

[0034] In this embodiment, two sets of fasteners 201, rotating rods 202, sleeves 203, connecting ropes 204, connectors 205, and motors 208 are provided, and the two sets of fasteners 201, rotating rods 202, sleeves 203, connecting ropes 204, connectors 205, and motors 208 are symmetrically arranged at the bottom of the fixing plate 1.

[0035] In this embodiment, multiple sets of spray heads 207 are provided, and the multiple sets of spray heads 207 are equidistantly installed on the outer surface of the connecting ring 206.

[0036] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0037] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0038] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-efficiency cleaning device for the heating surface of a boiler in a thermal power plant, characterized in that, include: Fixing plate (1); A boiler cleaning assembly (2) is mounted on the fixed plate (1) and is used to rinse the heated surface. A heated surface cleaning assembly (3) is mounted on the fixed plate (1), the heated surface cleaning assembly (3) being used to scrape the inner wall of the heated surface; A water injection assembly (4) is installed on one side of the boiler cleaning assembly (2), the water injection assembly (4) being used to provide cleaning fluid to the boiler cleaning assembly (2); A sewage discharge assembly (5) is mounted on the fixed plate (1) for collecting waste liquid generated by the boiler cleaning assembly (2).

2. The high-efficiency cleaning device for the heating surface of a thermal power plant boiler according to claim 1, characterized in that, The boiler cleaning assembly (2) includes: A fixing member (201) is fixedly installed at the bottom of the fixing plate (1). A rotating rod (202) is movably sleeved on the fixing member (201). A sleeve (203) is fixedly sleeved on the fixing member (201). A connecting rope (204) is fixedly connected to the sleeve (203). A connecting member (205) is fixedly installed at the bottom of the connecting rope (204).

3. The high-efficiency cleaning device for the heating surface of a thermal power plant boiler according to claim 2, characterized in that, The boiler cleaning assembly (2) also includes: A connecting ring (206) is fixedly installed at the bottom of the connector (205). A spray head (207) is fixedly installed on the outer surface of the connecting ring (206). A motor (208) is fixedly installed on one side of the fixing member (201). The drive shaft of the motor (208) is fixedly connected to one end of the rotating rod (202).

4. The high-efficiency cleaning device for the heating surface of a thermal power plant boiler according to claim 3, characterized in that, The heated surface cleaning assembly (3) includes: A second motor (301) is fixedly installed on the top of the fixed plate (1). A threaded rod (302) is fixedly installed on the drive end of the second motor (301). A limit rod (303) is fixedly installed on the bottom of the fixed plate (1). A cleaning ring (304) is movably sleeved on the outer surface of the threaded rod (302) and the limit rod (303). A connecting plate (305) is fixedly installed on the bottom of the limit rod (303). The bottom of the threaded rod (302) is movably installed on the connecting plate (305).

5. The high-efficiency cleaning device for the heating surface of a thermal power plant boiler according to claim 4, characterized in that, The water injection component (4) includes: A cleaning water tank (401) is provided on one side of the fixed plate (1). A connecting pipe (402) is fixedly installed on the top of the cleaning water tank (401). A cleaning water pump (403) is fixedly installed at one end of the connecting pipe (402). A connecting hose (404) is fixedly installed on the top of the cleaning water pump (403). One end of the connecting hose (404) is...

6. The high-efficiency cleaning device for the heating surface of a thermal power plant boiler according to claim 5, characterized in that, The sewage discharge assembly (5) includes: A sewage tank (501) is assembled on one side of the fixed plate (1). A connecting pipe (502) is fixedly installed on the top of the sewage tank (501). A sewage pump (503) is fixedly installed at one end of the connecting pipe (502). A connecting hose (504) is fixedly installed on the top of the sewage pump (503). A filter (505) is fixedly installed at one end of the connecting hose (504). The connecting hose (504) is movably sleeved on the fixed plate (1).

7. The high-efficiency cleaning device for the heating surface of a thermal power plant boiler according to claim 2, characterized in that, The fixing component (201), rotating rod (202), sleeve (203), connecting rope (204), connector (205), and motor (208) are provided in two sets. The two sets of fixing components (201), rotating rod (202), sleeve (203), connecting rope (204), connector (205), and motor (208) are symmetrically arranged at the bottom of the fixing plate (1).

8. The high-efficiency cleaning device for the heating surface of a thermal power plant boiler according to claim 3, characterized in that, The spray head (207) is provided in multiple sets, and the multiple sets of spray heads (207) are installed at equal intervals on the outer surface of the connecting ring (206).

Citation Information

Patent Citations

  • Cleaning device for boiler heating surface

    CN215032010U