CN219473630U - A thermal power plant boiler descaling device - Google Patents

Abstract

The utility model discloses a boiler scale removal device of a thermal power plant, which relates to a boiler scale removal device of a thermal power plant, and is provided with a cleaning mechanism and a central rotating tube, wherein the central rotating tube extends out of the boiler and is transmitted to the central rotating tube from the outside to drive the central rotating tube to rotate, the cleaning mechanism contacts scale on the inner wall of the boiler and is driven by the central rotating tube to move relative to the inner wall of the boiler, and the cleaning mechanism cleans the scale on the inner wall of the boiler in the relative movement process of the cleaning mechanism relative to the inner wall of the boiler, so that the function of mechanically cleaning the scale on the inner wall of the boiler is realized; the telescopic connecting mechanism is arranged between the central rotating tube and the cleaning mechanism and used for driving the cleaning mechanism to move in the radial direction of the central rotating tube so that the cleaning mechanism contacts or breaks away from the inner wall of the boiler, the deformation effect in space is realized, and the cleaning mechanism is convenient to extend into the boiler.

Description

A thermal power plant boiler descaling device

technical field

The invention relates to the technical field of power plant equipment maintenance, in particular to a thermal power plant boiler descaling device.

Background technique

During the operation of a thermal power plant, the boiler plays a very important role. The steam generated by the heat energy released during the fuel combustion process is used by the boiler body and some auxiliary equipment to drive the steam turbine to generate electricity. The boiler is easy to generate electricity during use. If the scale formed in the boiler is too thick, it will reduce the efficiency of the boiler, and if it is serious, it will cause the boiler tube to burst and cause a boiler accident. Therefore, the scale of the boiler needs to be removed regularly.

In order to avoid the above problems, it is necessary to clean the scale inside the boiler. The conventional cleaning method is manual cleaning. Due to the shape and size of the boiler, manual cleaning is time-consuming and labor-intensive. Therefore, there is an urgent need for a It is a device to replace manual cleaning of boiler scale.

Contents of the invention

The object of the present invention is to provide a system capable of automatically adjusting the profile of plasterboards.

So the present invention discloses a boiler descaling device for a thermal power plant, comprising:

center rotating tube;

The cleaning mechanism contacts the inner wall of the boiler and cleans the inner wall of the boiler during the relative movement with the inner wall of the boiler;

The telescopic connection mechanism is arranged between the central rotating tube and the cleaning mechanism, and can expand and contract along the radial direction of the central rotating tube, so that the cleaning mechanism contacts or separates from the inner wall of the boiler.

In some embodiments of the present application, in order to be able to hang and wipe off the scale on the inner wall of the boiler, the specific structure of the cleaning mechanism is disclosed. The cleaning mechanism includes a horizontal plate, and a scraper is provided on the side of the horizontal plate , the scraper is used to scrape the scale on the inner wall of the boiler.

In some embodiments of the present application, in order to further improve the cleaning effect on the inner wall of the boiler, the cleaning mechanism is improved, and the side of the horizontal plate is also provided with bristle segments.

In some embodiments of the present application, in order to enable the telescopic connection mechanism to attach to or separate from the inner wall of the boiler, the specific structure of the telescopic connection mechanism is disclosed, and the telescopic connection mechanism includes:

A limit slideway, the limit slideway is arranged on the side of the horizontal plate;

a threaded rod, the threaded rod is arranged in the central rotating tube;

A pair of threaded pipes, the threaded pipes are sleeved on the side of the threaded rod, and the inner threads of the two threaded pipes are opposite to each other;

A bracket, the bracket includes a pair of mutually rotatably connected poles, one end of the two poles is hinged with a sliding block, the sliding block is slidably connected in the limit slideway, and the other ends of the two poles are respectively hinged for different threaded pipes.

In some embodiments of the present application, in order to stabilize the descaling operation of the device on the inner wall of the boiler, a support frame is also included, and the support frame includes several support plates, and fixed bearings are arranged on the sides of the support plates, and the fixed bearings are sleeved Turn the tube side on the center.

In some embodiments of the present application, in order to drive the cleaning mechanism to clean the inner wall of the boiler, the side of the support plate is provided with a motor, the output shaft of the motor is sleeved with a motor pulley, and the side of the central rotating tube A rotating pipe pulley is sleeved, and the motor pulley and the rotating pipe pulley are linked with each other through a synchronous belt.

In some embodiments of the present application, in order to make the threaded rod and the central rotating tube coaxially connected together, the end of the threaded rod is connected with a stabilizing plate, and the end of the central rotating tube corresponds to the A rotating shell is set at the position of the stabilizing disc, the stabilizing disc is located in the rotating shell, a connecting rod is arranged on the side of the stabilizing disc, and the other end of the connecting rod is connected with a rotating hand wheel.

A thermal power plant boiler descaling device disclosed in this application is used in the descaling work of the inner wall of the boiler, and has the following advantages:

1. The application has a cleaning mechanism and a central rotating tube. The central rotating tube protrudes from the inside of the boiler, and the power is transmitted to the central rotating tube from the outside to make the central rotating tube rotate. The cleaning mechanism contacts the scale on the inner wall of the boiler and is driven by the central rotating tube. Relative to the movement of the inner wall of the boiler, the cleaning mechanism cleans the scale on the inner wall of the boiler during the relative movement of the cleaning mechanism to the inner wall of the boiler, realizing the function of mechanized cleaning the scale on the inner wall of the boiler.

2. There is a telescopic connection mechanism between the central rotating tube and the cleaning mechanism, which is used to drive the cleaning mechanism to move in the radial direction of the central rotating tube, so that the cleaning mechanism contacts or separates from the inner wall of the boiler, realizing the spatial deformation effect , to facilitate the cleaning mechanism into the interior of the boiler.

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is the structural representation of a kind of thermal power plant boiler descaling device in the embodiment of the present application;

Fig. 2 is the enlarged schematic diagram of place A in Fig. 1;

Fig. 3 is a schematic diagram of the structure at the horizontal plate in the embodiment of the present application.

reference sign

1. Center rotating tube; 2. Horizontal plate; 3. Scraper; 4. Bristle section; 5. Limit slide; 6. Threaded rod; 7. Threaded pipe; Support plate; 11, fixed bearing; 12, motor; 13, rotating hand wheel; 14, rotating pipe pulley; 15, synchronous belt; 16, stable plate; 17, rotating shell; 18, connecting rod; 19, boiler.

Detailed ways

The technical solutions of the present invention will be further described below through the accompanying drawings and embodiments.

The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and should not be construed as limiting the protection scope of the present invention. , those skilled in the art can make some non-essential improvements and adjustments based on the contents of the present invention described below. In the present invention, unless otherwise clearly specified and limited, the technical terms used in the present application shall have the usual meanings understood by those skilled in the present invention. The terms "connected", "connected", "fixed" and "installed" should be understood in a broad sense, which can be fixed connection, detachable connection, or integrated; it can be directly connected or indirectly connected through an intermediary; it can be A mechanical connection may also be an electrical connection. Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations. Unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Moreover, the first feature being "on" or "above" or "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or it just means that the first feature is higher in level than the second feature. "Below" or "beneath" or "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature. Relational terms such as first, second, etc. are used only to distinguish one entity or operation from another and do not necessarily require or imply any such actual relationship or relationship between these entities or operations. order. It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

Example:

Therefore, the present invention discloses a boiler descaling device in a thermal power plant, which includes a central rotating tube 1, a cleaning mechanism and a telescopic connection mechanism.

The cleaning mechanism contacts the inner wall of the boiler 19, and cleans the inner wall of the boiler 19 during the relative movement with the inner wall of the boiler 19; the telescopic connection mechanism is arranged between the central rotating tube 1 and the cleaning mechanism, and It can expand and contract along the radial direction of the central rotating tube 1 , so that the cleaning mechanism contacts or separates from the inner wall of the boiler 19 .

In the application process, the descaling device is inserted into the boiler 19, and the extended part includes the cleaning mechanism, the central rotating tube 1 and the telescopic connection mechanism. After being inserted, the telescopic connection mechanism is driven to expand so that all The cleaning mechanism is close to the inner wall of the boiler 19, and then the central rotating tube 1 is rotated by an external force. During this process, the cleaning mechanism moves relative to the inner wall of the boiler 19, and cleans the scale on the inner wall of the lower boiler 19.

In some embodiments of the present application, in order to be able to hang and wipe off the scale on the inner wall of the boiler 19, the specific structure of the cleaning mechanism is disclosed. The cleaning mechanism includes a horizontal plate 2, and the side of the horizontal plate 2 is set There is a scraper 3 for scraping the scale on the inner wall of the boiler 19 .

In some embodiments of the present application, in order to further improve the cleaning effect on the inner wall of the boiler 19, the cleaning mechanism is improved, and the side of the horizontal plate 2 is also provided with a bristle segment 4, and the scale on the inner wall of the boiler 19 is removed. After the scraper 3 is scraped, the adhesion between most of the scale and the inner wall of the boiler 19 will decrease. At this time, after being cleaned by the bristle end, the scale remaining on the inner wall of the boiler 19 will be effectively cleaned.

In some embodiments of the present application, the specific structure of the telescopic connection mechanism is disclosed in order to enable the telescopic connection mechanism to fit the inner wall of the boiler 19 or break away from the inner wall of the boiler 19. The telescopic connection mechanism includes a limit A slideway 5, a threaded rod 6, a stack of threaded pipes 7 and a support.

The limiting slideway 5 is arranged on the side of the horizontal plate 2; the threaded rod 6 is arranged in the central rotating pipe 1; a pair of threaded pipes 7, and the threaded pipe 7 is sleeved on the threaded rod 6 side parts, and the threads on the inside of the two threaded pipes 7 are opposite to each other; the bracket includes a pair of struts 8 that are rotatably connected to each other, and one end of the two struts 8 is hinged with a sliding block 9, and the sliding block 9 slides Connected in the limiting slideway 5, the other ends of the two struts 8 are respectively hinged to different threaded pipes 7.

In some embodiments of the present application, in order to stabilize the descaling operation of the device on the inner wall of the boiler 19, a support frame is also included. The support frame includes several support plates 10, and fixed bearings 11 are arranged on the sides of the support plates 10. The fixed bearing 11 is sleeved on the side of the central rotating tube 1 .

In some embodiments of the present application, in order to drive the cleaning mechanism to clean the inner wall of the boiler 19, the side of the support plate 10 is provided with a motor 12, the output shaft of the motor 12 is sleeved with a motor pulley, and the center rotates A rotating pipe pulley 14 is sheathed on the side of the pipe 1 , and the motor pulley and the rotating pipe pulley 14 are linked with each other through a synchronous belt 15 .

In some embodiments of the present application, in order to make the threaded rod 6 and the central rotating tube 1 coaxially connected together, the end of the threaded rod 6 is connected with a stabilizing plate 16, and the central rotating tube 1 A rotating shell 17 is arranged at the end corresponding to the position of the stabilizing disc 16, the stabilizing disc 16 is located in the rotating shell 17, and the side of the stabilizing disc 16 is also provided with a connecting rod 18, the other of the connecting rod 18 One end is connected with rotating handwheel 13.

A thermal power plant boiler 19 descaling device disclosed in the application is used in the descaling work of the inner wall of the boiler 19, and has the following advantages:

1. The application has a cleaning mechanism and a central rotating tube. The central rotating tube protrudes from the inside of the boiler, and the power is transmitted to the central rotating tube from the outside to make the central rotating tube rotate. The cleaning mechanism contacts the scale on the inner wall of the boiler and is driven by the central rotating tube. Relative to the movement of the inner wall of the boiler, the cleaning mechanism cleans the scale on the inner wall of the boiler during the relative movement of the cleaning mechanism to the inner wall of the boiler, realizing the function of mechanized cleaning the scale on the inner wall of the boiler.

2. There is a telescopic connection mechanism between the central rotating tube and the cleaning mechanism, which is used to drive the cleaning mechanism to move in the radial direction of the central rotating tube, so that the cleaning mechanism contacts or separates from the inner wall of the boiler, realizing the spatial deformation effect , to facilitate the cleaning mechanism into the interior of the boiler.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: it still Modifications or equivalent replacements can be made to the technical solutions of the present invention, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. A thermal power plant boiler descaling device, characterized in that it comprises: center rotating tube; The cleaning mechanism contacts the inner wall of the boiler and cleans the inner wall of the boiler during the relative movement with the inner wall of the boiler; The telescopic connection mechanism is arranged between the central rotating tube and the cleaning mechanism, and can expand and contract along the radial direction of the central rotating tube, so that the cleaning mechanism contacts or separates from the inner wall of the boiler. 2. A thermal power plant boiler descaling device according to claim 1, characterized in that, the cleaning mechanism comprises a horizontal plate, the side of the horizontal plate is provided with a scraper, and the scraper is used for scraping Scale on the inner wall of the boiler. 3. A thermal power plant boiler descaling device according to claim 2, characterized in that a bristle segment is also provided on the side of the horizontal plate. 4. A thermal power plant boiler descaling device according to claim 2, wherein the telescopic connection mechanism comprises: A limit slideway, the limit slideway is arranged on the side of the horizontal plate; a threaded rod, the threaded rod is arranged in the central rotating tube; A pair of threaded pipes, the threaded pipes are sleeved on the side of the threaded rod, and the inner threads of the two threaded pipes are opposite to each other; A bracket, the bracket includes a pair of mutually rotatably connected poles, one end of the two poles is hinged with a sliding block, the sliding block is slidably connected in the limit slideway, and the other ends of the two poles are respectively hinged for different threaded pipes. 5. A thermal power plant boiler descaling device according to claim 4, characterized in that it also includes a support frame, the support frame includes several support plates, fixed bearings are arranged on the sides of the support plates, and the fixed bearings It is sleeved on the side of the central rotating tube. 6. A thermal power plant boiler descaling device according to claim 5, wherein a motor is provided on the side of the support plate, the output shaft of the motor is sleeved with a motor pulley, and the central rotating tube A rotating tube pulley is sleeved on the side of the motor, and the motor pulley and the rotating tube pulley are linked with each other through a synchronous belt. 7. A thermal power plant boiler descaling device according to claim 6, characterized in that, the end of the threaded rod is connected with a stabilizing plate, and the end of the central rotating tube is set corresponding to the position of the stabilizing plate The rotating housing, the stabilizing disc is located in the rotating housing, the side of the stabilizing disc is further provided with a connecting rod, and the other end of the connecting rod is connected with a rotating hand wheel.