Method for purging steam pipeline of thermal power plant

Abstract

The invention provides a purging method for a steam pipeline of a thermal power plant, and relates to the technical field of steam pipeline cleaning. The front side and the rear side of the air pipe are each provided with a set of water pipes, the water pipes and the air pipe penetrate through the outer fixing sleeve, the outer fixing sleeve is arranged at a front end opening of the thermal power plant steam pipeline in a sleeving mode, and the front portions of the water pipes and the air pipe extend into the thermal power plant steam pipeline. A plurality of groups of water flow spraying heads are arranged on the water pipe; the water pipe is sleeved with a plurality of sets of inner fixing sleeves, and the ultrasonic decontamination vibration generator is just in contact with the inner side wall of the steam pipeline of the thermal power plant. According to the device, large-area vibration decontamination is conveniently conducted on the inner wall of the pipeline through ultrasonic waves, then high-pressure airflow is used for removing stains with high adhesion on the inner wall of the pipeline, then cleaning water is sprayed to the pipe wall, the inner wall of the pipeline is blown and washed more cleanly, and use is convenient and trouble-saving.

Description

Technical Field

[0001] The invention relates to the technical field of steam pipeline cleaning, and in particular to a steam pipeline cleaning device for a thermal power plant. Background Art

[0002] After long-term use, the steam pipe of a power station boiler will have accumulated scale and impurities inside the pipe. In order to prevent the internal impurities from affecting the normal use of the pipe, the inside of the pipe needs to be cleaned. In the prior art (publication number CN213396743U), the specification of a power station boiler steam pipe cleaning device mentions that "the auxiliary structure includes a fixed plate for fixing the pipe body, a fixed plate is provided on the side of the support plate on one side of the top of the base, and the fixed plate is fixed to the output end of the first motor on the side close to the support plate, and the output end of the first motor is connected to the support plate through a bearing, and a first switch is provided at the bottom of the support plate, and a clamp is provided inside the fixed plate located at the top part of the pipe body." However, the prior art uses a brush to rotate and scrub the steam pipe, and the brush is easily covered with stains, resulting in continuous use. The brush affects the cleanliness of the inner wall of the steam pipe behind it, and it is not convenient and troublesome to use. Summary of the invention

[0003] In order to overcome the defects of the prior art, a method for blowing and cleaning the steam pipeline of a thermal power plant is provided to solve the problem that the prior art uses a brush to rotate and brush the steam pipeline, the brush is easily covered with stains on the surface, resulting in inability to continue to use, affecting the cleanliness of the inner wall of the subsequent steam pipeline, and is not convenient to use.

[0004] In order to achieve the above-mentioned purpose, a method for blowing and cleaning the steam pipeline of a thermal power plant is provided. First, ultrasonic waves are used to vibrate and clean the inner wall of the pipeline over a large area, and then high-pressure airflow is used to clean the stains with strong adhesion to the inner wall of the pipeline. After that, clean water is sprayed on the pipe wall. Under the action of high-pressure emission gas of an air pump, gas can be ejected through an air jet nozzle to perform high-pressure blowing to clean the stains that are attached to the inner side of the steam pipeline of the thermal power plant and are not easy to fall off.

[0005] A purge device for a steam pipeline of a thermal power plant comprises a water pipe, an external fixing sleeve and an air pipe; a group of water pipes are arranged on both the front and rear sides of the air pipe, and both the water pipe and the air pipe are arranged through the external fixing sleeve, the external fixing sleeve is sleeved at the front end of the steam pipeline of the thermal power plant, and the front parts of the water pipe and the air pipe extend into the steam pipeline of the thermal power plant.

[0006] Furthermore, the water pipe is provided with a plurality of water jet heads, and the water jet heads are of a detachable structure, and a water pump is installed at the rear of the water pipe.

[0007] Furthermore, multiple groups of internal fixed sleeves are arranged on the water pipe, and multiple groups of support frames are arranged on both sides of the upper side of the outer ring surface of the internal fixed sleeve, and the other end of the support frame is fixed to the lower side of the ultrasonic decontamination vibration generator, and the ultrasonic decontamination vibration generator is in contact with the inner wall of the steam pipeline of the thermal power plant.

[0008] Furthermore, a through hole is opened in the middle of the external fixing sleeve, and the air pipe and the water pipe pass through the through hole, and a handle is arranged in the middle of the external fixing sleeve.

[0009] Furthermore, an outer sleeve is provided at the front of the outer fixed sleeve, and the outer sleeve is sleeved on the outside of the front port of the steam pipeline of the thermal power plant, and an inner sealing sleeve is provided on the inner side of the outer sleeve, and the inner sealing sleeve is sleeved on the inner side of the front port of the steam pipeline of the thermal power plant, and the inner sealing sleeve is made of rubber, and the outer fixed sleeve and the steam pipeline of the thermal power plant are split and connected.

[0010] Furthermore, an air pump is installed at the rear of the air pipe, and a plurality of groups of air nozzles are arranged on the air pipe, and the air nozzles are separately connected to the air pipe.

[0011] The beneficial effects of the present invention are: 1. The present invention facilitates the use of an ultrasonic cleaning vibration generator on a water pipe to vibrate and clean stains attached to the inner wall of a steam pipeline in a thermal power plant, thereby conveniently vibrating the stains off, and is helpful for cleaning a large area of ​​stains on the inner wall of a steam pipeline in a thermal power plant.

[0012] 2. The setting of the external fixing sleeve of the present invention can, on the one hand, firmly bind the water pipe and the air pipe before they enter the steam pipeline of the thermal power plant to keep them stable; on the other hand, the outer sleeve and the inner sealing sleeve at the front of the external fixing sleeve can safely seal the front end of the steam pipeline of the thermal power plant, which is safe and convenient to use.

[0013] 3. The present invention mainly utilizes an air pipe to extend into the steam pipeline of a thermal power plant. Under the action of the high-pressure emission gas of an air pump, gas can be ejected through an air nozzle so as to perform high-pressure blowing to remove the stains attached to the inner side of the steam pipeline of the thermal power plant that are not easy to fall off.

[0014] The present invention can effectively solve the problem that the prior art uses a brush to rotate and scrub the steam pipe, the brush is easily covered with stains on the surface, resulting in continuous use, affecting the cleanliness of the inner wall of the subsequent steam pipe, and is inconvenient to use. The present invention conveniently uses ultrasound to perform large-area vibration decontamination on the inner wall of the pipe, and then uses high-pressure airflow to remove stains with strong adhesion to the inner wall of the pipe, and then sprays the pipe wall with clean water to blow and clean the inner wall of the pipe more cleanly, which is convenient and saves trouble. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of an embodiment of the present invention; Figure 2 is a cross-sectional schematic diagram of an embodiment of the present invention; Figure 3 It is a schematic diagram of the structure of a fixing sleeve according to an embodiment of the present invention; Figure 4 It is a schematic diagram of the cross-sectional arrangement of the structure of the water pipe and the air pipe according to an embodiment of the present invention.

[0016] In the figure: 1, water pipe; 10, water pump; 11, water jet head; 12, inner fixing sleeve; 13, support frame; 14, ultrasonic decontamination vibration generator; 2, outer fixing sleeve; 20, through hole; 21, handle; 22, outer sleeve; 23, inner sealing sleeve; 3, steam pipeline of thermal power plant; 4, air pipe; 40, air pump; 41, air nozzle. Implementation

[0017] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the present invention. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the present invention can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.

[0018] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0019] Figure 1 is a front view schematic diagram of an embodiment of the present invention, Figure 2 is a cross-sectional schematic diagram of an embodiment of the present invention, Figure 3 Schematic diagram of the fixed sleeve structure of an embodiment of the present invention and Figure 4 It is a schematic diagram of the cross-sectional arrangement of the structure of the water pipe and the air pipe according to an embodiment of the present invention.

[0020] The method of blowing and cleaning the steam pipeline of a thermal power plant first uses ultrasonic waves to vibrate and clean the inner wall of the pipeline over a large area, then uses high-pressure airflow to remove stains that are more adherent to the inner wall of the pipeline, and then sprays the pipe wall with clean water. Under the action of the high-pressure emission gas of the air pump, gas can be ejected through the jet nozzle to perform high-pressure blowing to remove the stains that are attached to the inner side of the steam pipeline of the thermal power plant and are not easy to fall off.

[0021] Reference Figures 1 to 4As shown, the present invention provides a purge device for a steam pipeline of a thermal power plant, comprising a water pipe 1, an external fixing sleeve 2 and an air pipe 4; a group of water pipes 1 are arranged on both the front and rear sides of the air pipe 4, and the water pipes 1 and the air pipes 4 are both arranged through the external fixing sleeve 2, the external fixing sleeve 2 is sleeved at the front end of the steam pipeline 3 of the thermal power plant, and the front parts of the water pipes 1 and the air pipes 4 extend into the steam pipeline 3 of the thermal power plant.

[0022] In this embodiment, a plurality of water jet heads 11 are provided on the water pipe 1, and the water jet heads 11 are of a detachable structure, and a water pump 10 is installed at the rear of the water pipe 1; a plurality of inner fixed sleeves 12 are sleeved on the water pipe 1, and a plurality of support frames 13 are provided on both sides of the upper side of the outer ring surface of the inner fixed sleeve 12, and the other end of the support frame 13 is fixed to the lower side of the ultrasonic decontamination vibration generator 14, and the ultrasonic decontamination vibration generator 14 is just in contact with the inner wall of the steam pipeline 3 of the thermal power plant.

[0023] As a preferred embodiment, the present invention facilitates the vibration cleaning of stains attached to the inner wall of the steam pipeline 3 of the thermal power plant through the ultrasonic cleaning vibration generator 14 on the water pipe 1, which facilitates the vibration of the stains to fall off, and helps to clean and remove large areas of stains on the inner wall of the steam pipeline 3 of the thermal power plant.

[0024] In this embodiment, a through hole 20 is opened in the middle of the outer fixing sleeve 2, and the air pipe 4 and the water pipe 1 pass through the through hole 20, and a handle 21 is provided in the middle of the outer fixing sleeve 2; an outer sleeve 22 is provided at the front of the outer fixing sleeve 2, and the outer sleeve 22 is sleeved on the outside of the front port of the steam pipeline 3 of the thermal power plant, and an inner sealing sleeve 23 is provided on the inner side of the outer sleeve 22, and the inner sealing sleeve 23 is sleeved on the inner side of the front port of the steam pipeline 3 of the thermal power plant, and the inner sealing sleeve 23 is made of rubber, and the outer fixing sleeve 2 and the steam pipeline 3 of the thermal power plant are split and connected.

[0025] As a preferred embodiment, the setting of the external fixing sleeve 2 of the present invention can, on the one hand, firmly bind the water pipe 1 and the air pipe 4 before they enter the steam pipeline 3 of the thermal power plant to keep them stable; on the other hand, the outer sleeve 22 and the inner sealing sleeve 23 at the front of the external fixing sleeve 2 can safely seal the front end of the steam pipeline 3 of the thermal power plant, which is safe and convenient to use.

[0026] In this embodiment, an air pump 40 is installed at the rear of the air pipe 4, and a plurality of groups of air nozzles 41 are arranged on the air pipe 4, and the air nozzles 41 are separately connected to the air pipe 4.

[0027] As a preferred embodiment, the present invention mainly utilizes an air pipe 4 to extend into the steam pipeline 3 of a thermal power plant. Under the action of the high-pressure emission gas of an air pump 40, gas can be ejected through an air nozzle 41 to perform high-pressure blowing to remove the stains that are attached to the inner side of the steam pipeline 3 of the thermal power plant and are not easy to fall off.

[0028] The above embodiments are used to illustrate the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A method for purging steam pipelines in a thermal power plant, characterized in that: First, ultrasonic waves are used to vibrate and clean the inner wall of the pipe over a large area, and then high-pressure airflow is used to remove stains that adhere to the inner wall of the pipe. After that, clean water is sprayed on the pipe wall. Under the action of the high-pressure emission gas of the air pump, gas can be ejected through the jet nozzle to perform high-pressure blowing to remove the stains that are attached to the inner side of the steam pipeline of the thermal power plant and are not easy to fall off.

2. The device used in the method for purging steam pipelines in a thermal power plant according to claim 1 is characterized in that: It comprises a water pipe (1), an external fixing sleeve (2) and an air pipe (4); a group of water pipes (1) are arranged on both the front and rear sides of the air pipe (4), and the water pipes (1) and the air pipe (4) are both arranged through the external fixing sleeve (2); the external fixing sleeve (2) is sleeved at the front end of the steam pipeline (3) of the thermal power plant, and the front parts of the water pipe (1) and the air pipe (4) extend into the steam pipeline (3) of the thermal power plant; the high-pressure reducing air pipe extends into the steam pipeline of the thermal power plant;.

3. A steam pipeline purging device for a thermal power plant according to claim 2, characterized in that: The water pipe (1) is provided with a plurality of groups of water jet heads (11), and the water jet heads (11) are of a detachable structure. A water pump (10) is installed at the rear of the water pipe (1).

4. A steam pipeline purging device for a thermal power plant according to claim 3, characterized in that: The water pipe (1) is sleeved with a plurality of sets of inner fixing sleeves (12), and a plurality of sets of support frames (13) are provided on both sides of the upper side of the outer annular surface of the inner fixing sleeve (12), and the other end of the support frame (13) is fixed to the lower side of the ultrasonic decontamination vibration generator (14), and the ultrasonic decontamination vibration generator (14) is in contact with the inner side wall of the steam pipeline (3) of the thermal power plant.

5. A steam pipeline purging device for a thermal power plant according to claim 4, characterized in that: A through hole (20) is provided in the middle of the outer fixing sleeve (2), and the air pipe (4) and the water pipe (1) pass through the through hole (20), and a handle (21) is provided in the middle of the outer fixing sleeve (2).

6. A steam pipeline purging device for a thermal power plant according to claim 5, characterized in that: An outer sleeve (22) is provided at the front of the outer fixed sleeve (2), and the outer sleeve (22) is sleeved on the outside of the front port of the steam pipeline (3) of the thermal power plant, and an inner sealing sleeve (23) is provided on the inside of the outer sleeve (22), and the inner sealing sleeve (23) is sleeved on the inside of the front port of the steam pipeline (3) of the thermal power plant, and the inner sealing sleeve (23) is made of rubber, and the outer fixed sleeve (2) and the steam pipeline (3) of the thermal power plant are detachably connected.

7. A steam pipeline purging device for a thermal power plant according to claim 6, characterized in that: An air pump (40) is installed at the rear of the air pipe (4), and a plurality of groups of air nozzles (41) are arranged on the air pipe (4), and the air nozzles (41) are separately connected to the air pipe (4).

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