Automatic cleaning device in desulfurization system

Abstract

The utility model provides an automatic cleaning device in a desulfurization system, which relates to the field of cleaning devices and comprises a device main body, the device main body is mounted in a circulating pipeline on the outer side of a desulfurization tower and comprises a detection box, a meter is mounted on the upper side of the detection box, a cleaning part is arranged in the detection box, and the cleaning part is connected with the detection box. A filter part is arranged on the inner side of the cleaning part, a detection probe at the lower end of the measuring meter is inserted into the filter part, conveying pipes are connected to the two sides of the detection box, and a buffer assembly is arranged on the inner side of the detection box and fixed to the inlet ends of the conveying pipes. The automatic cleaning device solves the problems that a driving part of an existing automatic cleaning device of the desulfurizing tower is affected by slurry, and installation and measurement numerical observation are inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning devices, in particular to an automatic cleaning device in a desulfurization system. Background Art

[0002] At present, the pH meters commonly used in the wet flue gas desulfurization system of thermal power plants are mostly probe pipeline installation structures. Since the gypsum slurry contains chloride ions and has high viscosity, it will cause serious erosion and wear of the pH electrode. It is also very easy to scale and cause pipeline blockage, resulting in linear distortion of the slurry pH value, causing the desulfurization system to fail to operate normally. After searching, the prior art (publication number: CN211864026U) records "an automatic cleaning device for a pH meter box in a desulfurization tower, belonging to the technical field of automatic cleaning of a pH meter box in a desulfurization tower. The automatic cleaning device for a pH meter box in a desulfurization tower comprises a desulfurization tower, the inner wall of the desulfurization tower is fixedly connected with a fixed frame, a card plate is inserted inside the fixed frame, one side of the card plate is fixedly connected with a pH meter box, and the front and back of the pH meter box are fixedly connected with a filter screen; the utility model is configured by the coordination between the desulfurization tower, the pH meter box, the pH meter, the cleaning brush, the limit column, the support spring, the support rod and the servo motor, and the servo motor is started, and the rotation of the servo motor drives the cam to rotate, so that the support rod reciprocates downward, thereby controlling the cleaning brush to continuously clean the filter screen to prevent the filter screen from being blocked, and the operation is simple and convenient. Through the configuration of the filter screen, the filter screen can filter the slurry to ensure that the liquid entering the pH meter box is purer and the probability of scaling is reduced."

[0003] Although the automatic cleaning device for the pH meter box in the desulfurization tower in the prior art has achieved the goal of reducing the impact of slurry on the pH meter, there are still some shortcomings: the existing automatic cleaning device for the desulfurization tower requires the pH meter box to be installed inside the desulfurization tower, causing the servo motor to be affected by the spraying slurry, and it is not convenient to install and it is not convenient to observe the measured values. Utility Model Content

[0004] In order to overcome the defects of the prior art, an automatic cleaning device in a desulfurization system is provided to solve the problems of the existing desulfurization tower automatic cleaning device, such as the driving components being affected by the slurry, and the inconvenience in installation and measurement of numerical observation.

[0005] In order to achieve the above-mentioned purpose, an automatic cleaning device in a desulfurization system is provided, comprising: a device body, the device body is installed in a circulation pipeline outside the desulfurization tower, and the device body includes a detection box, and a measuring meter is installed on the upper side of the detection box, a cleaning piece is provided inside the detection box, and a filter is provided inside the cleaning piece, and a detection probe at the lower end of the measuring meter is inserted into the filter, the detection box is connected to delivery pipes on both sides, and a buffer assembly is provided on the inside of the detection box, and the buffer assembly is fixed to the inlet end of the delivery pipe.

[0006] Furthermore, a fixing rod is connected to the bottom of the detection box, and a motor is installed at the bottom of the detection box, and the output shaft end of the motor is connected to the lower end of the cleaning member.

[0007] Furthermore, the cleaning element is configured as a U-shaped frame structure with an opening facing upward, and steel wire bristles are provided on the inner side of the U-shaped frame, and the bristles are in contact with the outer wall of the filter element.

[0008] Furthermore, the filter element includes a filter cylinder, and the upper end of the filter cylinder is suspended and fixed inside the detection box through a connecting rod. At the same time, a plug hole is opened at the upper end of the filter cylinder, and a sealing ring is provided around the plug hole.

[0009] Furthermore, the buffer assembly includes a buffer plate, and a positioning rod is slidably penetrated through the upper and lower ends of the buffer plate, and one end of the positioning rod is fixed to the inner wall of the detection box, and the other end of the positioning rod is connected to the limit plate.

[0010] Furthermore, a through hole is provided inside the buffer plate, and the buffer plate is configured as a circular plate structure, and the buffer plate faces the connection port of the conveying pipe with the detection box.

[0011] Furthermore, a spring is provided on the inner end surface of the buffer plate, and the springs are respectively sleeved on the outer sides of the positioning rods, and the springs are located between the buffer plate and the limiting plate.

[0012] The beneficial effects of the utility model are:

[0013] 1. When in use, the circulating pump is used to extract the gypsum slurry in the slurry tank at the bottom of the desulfurization tower, and the gypsum slurry enters the detection box through the delivery pipe. The buffer plate, through-hole, positioning rod, spring and limit plate included in the internal buffer assembly are used to buffer the slurry entering the detection box to avoid a large impact force on the filter element, thereby playing an auxiliary protection effect on the filter element. Then, the filter cylinder, plug-in hole and sealing ring included in the filter element are used to protect the detection probe of the measuring meter, and then the pH value of the flowing slurry is detected by the measuring meter;

[0014] 2. The cleaning part is driven by a motor to rotate, so that the wire bristles on the inside of the cleaning part clean the outer surface of the filter cylinder, thereby achieving a cleaning effect. By installing the detection box in the pipeline outside the desulfurization tower, it is easy to install and observe the values, while avoiding the impact on the motor and extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the device body of an embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the buffer component of an embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the filter element according to an embodiment of the utility model.

[0019] In the figure: 1. Device body; 11. Detection box; 12. Measuring meter; 13. Cleaning part; 14. Delivery pipe; 15. Buffer assembly; 151. Buffer plate; 152. Through hole; 153. Positioning rod; 154. Spring; 155. Limiting plate; 16. Fixing rod; 17. Motor; 18. Filter element; 181. Filter cylinder; 182. Plug hole; 183. Sealing ring; 19. Connecting rod; 2. Desulfurization tower. DETAILED DESCRIPTION

[0020] Reference Figures 1 to 4 As shown, the utility model provides an automatic cleaning device in a desulfurization system, including: a device body 1, the device body 1 is installed in a circulation pipeline outside a desulfurization tower 2, and the device body 1 includes a detection box 11, and a measuring meter 12 is installed on the upper side of the detection box 11, a cleaning member 13 is provided inside the detection box 11, and a filter member 18 is provided inside the cleaning member 13, and a detection probe at the lower end of the measuring meter 12 is inserted into the filter member 18, delivery pipes 14 are connected to both sides of the detection box 11, and a buffer assembly 15 is provided inside the detection box 11, and the buffer assembly 15 is fixed to the inlet end of the delivery pipe 14.

[0021] Specifically, one end of the delivery pipe 14 exiting the detection box 11 is bent upward and connected to the spray system inside the desulfurization tower 2 .

[0022] Specifically, the measuring meter 12 is configured as a pH meter for measuring the acidity or alkalinity of the slurry.

[0023] Specifically, a circulation pump and a valve are provided in a section of the pipeline connecting the delivery pipe 14 and the desulfurization tower 2 .

[0024] like Figure 2and Figure 4 As shown, a fixing rod 16 is connected to the bottom of the detection box 11, and a motor 17 is installed at the bottom of the detection box 11, and the output shaft end of the motor 17 is connected to the lower end of the cleaning member 13, the cleaning member 13 is configured as a U-shaped frame structure with an opening facing upward, and steel wire bristles are provided on the inner side of the U-shaped frame, and the bristles are kept in contact with the outer wall of the filter member 18, the filter member 18 includes a filter cylinder 181, and the upper end of the filter cylinder 181 is suspended and fixed inside the detection box 11 by a connecting rod 19, and a plug hole 182 is opened at the upper end of the filter cylinder 181, and a sealing ring 183 is provided around the plug hole 182.

[0025] As a preferred embodiment, by providing a U-shaped cleaning member 13, good stability is achieved during rotation, and a fully enclosed cleaning method is formed for the filter element 18.

[0026] like Figure 2 and Figure 3 As shown, the buffer assembly 15 includes a buffer plate 151, and a positioning rod 153 is slidably passed through the upper and lower ends of the buffer plate 151, and one end of the positioning rod 153 is fixed to the inner wall of the detection box 11, and the other end of the positioning rod 153 is connected to the limiting plate 155. A through hole 152 is opened inside the buffer plate 151, and the buffer plate 151 is set as a circular plate structure, and the buffer plate 151 faces the connection port of the conveying pipe 14 with the detection box 11. A spring 154 is provided on the inner end surface of the buffer plate 151, and the springs 154 are respectively mounted on the outside of the positioning rod 153, and the spring 154 is located between the buffer plate 151 and the limiting plate 155.

[0027] As a preferred embodiment, by providing the buffer plate 151, the through hole 152 and the spring 154 included in the buffer assembly 15, a buffering effect is provided for the slurry entering the interior of the detection box 11, thereby preventing the impact force of the slurry from damaging the cleaning element 13 and the filter element 18.

[0028] When in use, a circulating pump is used to extract the gypsum slurry in the slurry tank at the bottom of the desulfurization tower, and the gypsum slurry enters the detection box through a delivery pipe. The internally arranged buffer assembly includes a buffer plate, a through hole, a positioning rod, a spring and a limit plate, so that the slurry entering the detection box is buffered to avoid a large impact force on the filter element, thereby playing an auxiliary protection effect on the filter element. Then, the filter element includes a filter cylinder, a plug-in hole and a sealing ring, so that the detection probe of the measuring meter is protected. Then, the pH value of the flowing slurry is detected by the measuring meter, and the cleaning element is driven to rotate by a motor so that the steel wire bristles on the inside of the cleaning element clean the outer surface of the filter cylinder, thereby achieving a cleaning effect.

[0029] The automatic cleaning device in the desulfurization system of the utility model can effectively solve the problems of the existing automatic cleaning device of the desulfurization tower that the driving components are affected by the slurry and it is inconvenient to install and measure numerical observation. It is realized on the basis of the technology of the automatic cleaning device in the existing desulfurization system, has the characteristics of easy installation and observation, and protects the internal driving motor from the influence of slurry and extends the service life.

Claims

1. An automatic cleaning device in a desulfurization system, comprising: The device body (1) is characterized in that: the device body (1) is installed in a circulation pipeline outside a desulfurization tower (2), and the device body (1) includes a detection box (11), and a measuring meter (12) is installed on the upper side of the detection box (11), a cleaning member (13) is provided inside the detection box (11), and a filter member (18) is provided inside the cleaning member (13), and a detection probe at the lower end of the measuring meter (12) is inserted into the filter member (18), the detection box (11) is connected to the two sides of the delivery pipe (14), and a buffer assembly (15) is provided inside the detection box (11), and the buffer assembly (15) is fixed to the inlet end of the delivery pipe (14).

2. The automatic cleaning device in a desulfurization system according to claim 1, characterized in that: The bottom of the detection box (11) is connected to a fixing rod (16), and a motor (17) is installed at the bottom of the detection box (11), and the output shaft end of the motor (17) is connected to the lower end of the cleaning member (13).

3. The automatic cleaning device in a desulfurization system according to claim 1, characterized in that: The cleaning element (13) is configured as a U-shaped frame structure with an opening facing upward, and steel wire bristles are provided on the inner side of the U-shaped frame, and the bristles are in contact with the outer wall of the filter element (18).

4. The automatic cleaning device in a desulfurization system according to claim 1, characterized in that: The filter element (18) comprises a filter cylinder (181), and the upper end of the filter cylinder (181) is suspended and fixed inside the detection box (11) via a connecting rod (19), and a plug hole (182) is provided at the upper end of the filter cylinder (181), and sealing rings (183) are provided around the plug hole (182).

5. The automatic cleaning device in a desulfurization system according to claim 1, characterized in that: The buffer assembly (15) comprises a buffer plate (151), and a positioning rod (153) is slidably penetrated through the upper and lower ends of the buffer plate (151), and one end of the positioning rod (153) is fixed to the inner wall of the detection box (11), and the other end of the positioning rod (153) is connected to a limiting plate (155).

6. The automatic cleaning device in a desulfurization system according to claim 5, characterized in that: A through hole (152) is provided inside the buffer plate (151), and the buffer plate (151) is configured as a circular plate structure, and the buffer plate (151) faces the connection port of the conveying pipe (14) with the detection box (11).

7. The automatic cleaning device in a desulfurization system according to claim 5, characterized in that: The inner end surface of the buffer plate (151) is provided with a spring (154), and the springs (154) are respectively sleeved on the outside of the positioning rods (153), and the springs (154) are located between the buffer plate (151) and the limiting plate (155).

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