Cleaning equipment and pressure vessel top cover C ring groove cleaning device thereof

Abstract

The utility model discloses a cleaning device and a pressure vessel top cover C-ring groove cleaning device thereof, the pressure vessel top cover C-ring groove cleaning device comprises a cleaning fluid collecting box, a cleaning fluid collecting box, a cleaning fluid collecting box, a cleaning fluid collecting box cover, a cleaning fluid collecting box cover, a cleaning fluid collecting box cover, a cleaning fluid collecting box cover and a cleaning fluid collecting box cover, and the cleaning fluid collecting box is internally provided with a guide rail and a tooth row; the tooth row extends in the length direction of the cleaning liquid collecting box, and the tooth row and the guide rail are arranged at intervals. The cleaning assembly comprises a mounting frame, a cavity for storing cleaning liquid is formed in the mounting frame, and a plurality of nozzles are arranged on the cavity; the mounting frame is mounted on the guide rail, a first driving part is arranged on the mounting frame, a gear is arranged at the driving end of the first driving part, and the gear is meshed with the tooth row. By applying the cleaning equipment and the pressure vessel top cover C ring groove cleaning device thereof, the working intensity and the exposure dose of field operators can be reduced. And the cleaning liquid collecting box can collect used cleaning liquid, so that splashing of the cleaning liquid in the cleaning process can be prevented, and recycling of the cleaning liquid can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear power, in particular to a cleaning device and a cleaning device for a C-ring groove on a top cover of a pressure vessel. Background Art

[0002] After a certain operation cycle, the nuclear power plant needs to replace the O-ring inside the reactor pressure vessel top cover. Before replacing the new O-ring, the C-ring groove of the pressure vessel top cover needs to be cleaned. The traditional cleaning method is manual wiping. During the entire work process, the maintenance personnel need to squat for a long time and be in a high-irradiation environment. They will be exposed to a large radiation dose and have the risk of body contamination. Therefore, it is necessary to develop a set of C-ring groove automatic cleaning and inspection equipment for on-site work. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a cleaning device and a pressure vessel top cover C-ring groove cleaning device thereof.

[0004] The technical solution adopted by the utility model to solve the technical problem is: construct a pressure vessel top cover C ring groove cleaning device, comprising:

[0005] A cleaning liquid collection box, wherein a guide rail and a tooth row are arranged in the cleaning liquid collection box, wherein the guide rail is extended along the length direction of the cleaning liquid collection box; the tooth row is extended along the length direction of the cleaning liquid collection box, and the tooth row is spaced apart from the guide rail;

[0006] A cleaning component, the cleaning component includes a mounting frame, the mounting frame is provided with a cavity for storing cleaning liquid, the cavity is provided with a plurality of nozzles; the mounting frame is installed on the guide rail, and the mounting frame is provided with a first driving member, the driving end of the first driving member is provided with a gear, and the gear is meshed with the gear row.

[0007] In some embodiments, a plurality of guide wheels are provided at the bottom of the mounting frame.

[0008] In some embodiments, limit position sensors are respectively provided at both ends of the inner wall surface in the length direction of the cleaning liquid collection box.

[0009] In some embodiments, the pressure vessel top cover C-ring groove cleaning device further includes two lifting assemblies, and the two lifting assemblies are respectively connected to the outer side surfaces of the cleaning liquid collection box.

[0010] In some embodiments, each jacking assembly includes a connecting plate and a second driving member;

[0011] The connecting plate is fixedly connected to the outer side surface of the cleaning liquid collecting box, and the push rod of the second driving member is connected to the connecting plate.

[0012] The present application also constructs a cleaning device, including a mobile frame, on which the pressure vessel top cover C-ring groove cleaning device described in any one of the above embodiments is provided;

[0013] The movable frame is also provided with a filter water tank, which is connected to the cleaning liquid collection tank via a first pipeline, and is connected to the cavity via a second pipeline, and a driving pump is provided on the second pipeline.

[0014] In some embodiments, a filter bag installation barrel is provided in the filter water tank, the first pipeline is connected to the inner cavity of the filter bag installation barrel, the space of the filter water tank except the filter bag installation barrel is the post-filtration space, and the post-filtration space is connected to the second pipeline.

[0015] In some embodiments, a heater and a temperature sensor are provided in the post-filtration space.

[0016] In some embodiments, the mobile rack is further provided with a wiping component;

[0017] The wiping assembly comprises a bracket and a cleaning member arranged on the bracket.

[0018] In some embodiments, the mobile frame is also provided with a pan / tilt camera and / or a binocular camera.

[0019] The implementation of the utility model has the following beneficial effects: the use of the cleaning equipment and the pressure vessel top cover C ring groove cleaning device can reduce the work intensity and radiation dose of on-site operators. The cleaning liquid collection box can collect the used cleaning liquid, which can prevent the splashing of the cleaning liquid during the cleaning process and realize the recycling of the cleaning liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show certain embodiments of the utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:

[0021] Figure 1 It is a structural schematic diagram of a C-ring groove of a pressure vessel top cover in the related art;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the cleaning device in some embodiments of the utility model;

[0023] Figure 3 is a side view of a cleaning device in some embodiments of the utility model;

[0024] Figure 4 is a top view of a cleaning device in some embodiments of the utility model;

[0025] Figure 5 It is a structural schematic diagram of a pressure vessel top cover C-ring groove cleaning device in some embodiments of the utility model;

[0026] Figure 6 is a top view of a pressure vessel top cover C-ring groove cleaning device in some embodiments of the utility model;

[0027] Figure 7 It is a partial structural schematic diagram of a pressure vessel top cover C-ring groove cleaning device in some embodiments of the utility model;

[0028] Figure 8 It is a partial structural schematic diagram of the filtered water tank in some embodiments of the utility model. DETAILED DESCRIPTION

[0029] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation methods of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings, are constructed and operated in a specific direction, and are only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation to the present invention.

[0030] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected", "fixed", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0031] In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. 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. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details that hinder the description of the present invention.

[0032] See also Figures 2 to 4 The utility model shows a cleaning device, the overall structure of which is roughly arc-shaped, so as to facilitate cleaning of the C-ring groove 100 of the top cover of the pressure vessel.

[0033] The cleaning equipment may include a mobile frame 20, on which a pressure vessel top cover C-ring groove cleaning device 10 is provided; the mobile frame 20 is also provided with a filter water tank 30, which is connected to a cleaning liquid collection tank 11 via a first pipeline 31, and the filter water tank 30 is connected to a cavity 132 via a second pipeline 32, and a drive pump 33 is provided on the second pipeline 32, and the drive pump 33 may be a DC brushless diaphragm pump.

[0034] See also Figure 3 In some embodiments, the mobile frame 20 may be a multi-layer frame structure, and a plurality of mobile wheels 21 may be provided at the bottom thereof for easy walking, and the mobile wheels 21 may be driven by a motor 22. Preferably, the mobile wheels 21 are Forma wheels.

[0035] See also Figures 5 to 7 In some embodiments, the pressure vessel top cover C-ring groove cleaning device 10 comprises:

[0036] The cleaning liquid collecting box 11 has a guide rail 111 and a tooth row 12 therein. The guide rail 111 extends along the length direction of the cleaning liquid collecting box 11 ; the tooth row 12 extends along the length direction of the cleaning liquid collecting box 11 , and the tooth row 12 is spaced apart from the guide rail 111 .

[0037] The cleaning liquid collecting box 11 has an opening, and the peripheral edge (upper edge) of the cleaning liquid collecting box 11 on one side of the opening may be provided with a C-ring groove 100 (see FIG. Figure 1) and a circle of sealing strips are attached along the upper end of the cleaning liquid collection box 11. During the cleaning process, the upper sealing strip of the cleaning liquid collection box 11 fits with the C-ring groove 100 on the top cover of the pressure vessel, which can effectively prevent the splashing of the cleaning liquid during the cleaning process. The length direction of the cleaning liquid collection box 11 can be the same as the moving direction of the cleaning liquid collection box 11. The guide rail 111 is an arc-shaped rod with a circular cross-section in the length direction. It is installed at the lower end of the cleaning liquid collection box 11. The center of the arc of the guide rail 111 and the center of the arc of the cleaning liquid collection box 11 coincide with the center of the top cover of the pressure vessel. The tooth row 12 can be arranged on the inner wall of the cleaning liquid collection box 11 and is arranged opposite to the guide rail 111. The tooth row 12 can also be an arc-shaped tooth row. In some embodiments, the tooth row 12 can also be defined as a rack.

[0038] The pressure vessel top cover C-ring groove cleaning device 10 also includes a cleaning assembly 13, which includes a mounting frame 131, on which a cavity 132 for storing cleaning liquid is provided, and on which a plurality of nozzles 133 are provided; the mounting frame 131 is installed on the guide rail 111, and a first driving member 134 is provided on the mounting frame 131, and a gear 135 is provided at the driving end of the first driving member 134, and the gear 135 is meshed with the gear row 12, and the first driving member 134 drives the gear 135 to move back and forth along the length direction of the gear row 12, and then adjusts the position of the nozzle 133 and the like. The first driving member 134 can be a driving motor, such as a servo driving motor, which has a forward and reverse function. The nozzle 133 can be set to one, two or any other number, and the nozzle 133 can be a high-pressure nozzle.

[0039] In some embodiments, the bottom of the mounting frame 131 is provided with a plurality of guide wheels 136, and the inner bottom wall of the cleaning liquid collection box 11 may be provided with a wear-resistant plate, and the guide wheels 136 may move on the wear-resistant plate. Of course, the wear-resistant plate may not be provided. The guide wheels 136 may be provided with one, two, three, four or any other number, preferably four guide wheels 136. The guide wheels 136 may enable the cleaning assembly 13 to move smoothly along the guide rail 111.

[0040] In some embodiments, the two ends of the inner wall surface of the cleaning liquid collection box 11 in the length direction are respectively provided with limit position sensors 14. The limit position sensors 14 can be waterproof micro switches or microwave sensors. It can be understood that the limit position sensors 14 are installed on the inner walls at both ends of the cleaning liquid collection box 11 to monitor and protect the moving cleaning component 13 to prevent it from continuing to move and colliding with the inner wall of the cleaning liquid collection box 11 after reaching the limit position.

[0041] like Figure 5As shown, in some embodiments, the pressure vessel top cover C-ring groove cleaning device 10 also includes two jacking assemblies 15, and the two jacking assemblies 15 are respectively connected to the outer side surfaces of the cleaning liquid collecting box 11, such as being arranged on the outer peripheral surfaces on both sides of the length direction of the cleaning liquid collecting box 11, and connected to the cleaning liquid collecting box 11, and the jacking assemblies 15 are mainly used to adjust the position of the cleaning liquid collecting box 11 so that it fits in or is separated from the pressure vessel top cover C-ring groove 100.

[0042] In some embodiments, each lifting assembly 15 includes a connecting plate 151 and a second driving member 152. The connecting plate 151 is fixedly connected to the outer side of the cleaning liquid collection box 11, and the push rod of the second driving member 152 is connected to the connecting plate 151. Furthermore, each lifting assembly 15 may also include a guide rod 153, which is passed through the connecting plate 151 to play a guiding role. Two guide rods 153 may be provided, and the two guide rods 153 are arranged in parallel and spaced apart, which can make the movement of the connecting plate 151 more stable. The parts of the two guide rods 153 located on the connecting plate 151 can be connected to a fixed plate 154. The second driving member 152 can be an electric actuator, and the model can be ley16AC-30.

[0043] Combination Figures 2 to 4 , Figure 8 In some embodiments, a filter bag installation barrel 34 is provided in the filter water tank 30, and the first pipeline 31 is connected to the inner cavity of the filter bag installation barrel 34. The space of the filter water tank 30 except the filter bag installation barrel 34 is the post-filtration space, and the post-filtration space is connected to the second pipeline 32.

[0044] like Figure 8 As shown, a heater 35 and a temperature sensor 36 are provided in the post-filtration space.

[0045] Among them, the cleaning liquid in the cleaning liquid collection box 11 enters the filter bag installation barrel 34 through the first pipeline 31, enters the post-filtration space through the filter bag installation barrel 34 after filtration, and then enters the cavity 132 through the second pipeline 32. The cavity 132 can also be defined as a water chamber. The side wall of the cleaning liquid collection box 11 can be pre-installed with a connecting pipe section or a joint to facilitate the installation and connection of the second pipeline 31.

[0046] like Figure 2 As shown, in some embodiments, the mobile frame 20 is further provided with a wiping assembly 40; the wiping assembly 40 includes a bracket 41 and a cleaning member 42 disposed on the bracket 41. The bracket 41 may be a telescopic bracket, which can be adjusted manually or by a driving device (such as a motor, a hydraulic cylinder or a pneumatic cylinder, etc.), and the cleaning member 42 may include a cleaning wipe or a cleaning cloth. The wiping assembly 40 may be provided in one or more portions, and may be provided on at least one side of the length direction of the cleaning liquid collection box 11.

[0047] like Figure 2 As shown, in some embodiments, a pan / tilt camera 50 and / or a binocular camera 60 is also provided on the mobile frame 20 to facilitate detection of movement information of the cleaning equipment and the cleaning condition of the C-ring groove 100 of the pressure vessel top cover.

[0048] like Figure 2 As shown, in some embodiments, a power supply device 70 may also be provided on the mobile frame 20, and the power supply device 70 is used to supply power to electrical devices, such as supplying power to the driving pump 33, the gimbal camera 50 and / or the binocular camera 60, etc.

[0049] The cleaning equipment is used as follows:

[0050] 1) The push rod of the second driving member 152 drives the cleaning liquid collecting box 11 to move upward, so that the sealing strip at its upper end fits well with the C-ring groove 100 of the top cover of the pressure vessel.

[0051] 2) Start the first driving member 134 to return the mounting frame 131 to the initial position (the forward direction of the cleaning device is the front end, and the initial position may be the rear end limit position of the cleaning assembly 13 in the cleaning liquid collection box 11);

[0052] 3) Turn on the driving pump 33, and the nozzle 133 sprays high-pressure water;

[0053] 4) The cleaning assembly 13 moves forward from the initial position at a certain speed under the drive of the first driving member 134 to the front end limit position and then stops. The cleaning liquid waste water generated during the cleaning process is recovered into the filter water tank 30 through the first pipeline 31 at the bottom of the cleaning liquid collection tank 11;

[0054] 5) Turn off the driving pump 33, start the second driving member 152, and the push rod of the second driving member 152 drives the cleaning liquid collection box 11 to move downward;

[0055] 6) The cleaning device moves forward and reaches the next uncleaned area;

[0056] 7) Repeat this cycle until the C-ring groove 100 area of ​​the pressure vessel top cover is completely cleaned.

[0057] The use of the cleaning equipment and the pressure vessel top cover C-ring groove cleaning device 10 can reduce the work intensity and radiation dose of on-site operators. The cleaning liquid collection box 11 can collect the used cleaning liquid, which can prevent the cleaning liquid from splashing during the cleaning process and realize the recycling of the cleaning liquid.

[0058] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the utility model. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the utility model, the above-mentioned technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

Claims

1. A pressure vessel top cover C ring groove cleaning device, characterized in that: include: A cleaning liquid collection box (11), wherein a guide rail (111) and a tooth row (12) are provided in the cleaning liquid collection box (11), wherein the guide rail (111) is extended along the length direction of the cleaning liquid collection box (11); the tooth row (12) is extended along the length direction of the cleaning liquid collection box (11), and the tooth row (12) and the guide rail (111) are spaced apart. A cleaning component (13), the cleaning component (13) comprising a mounting frame (131), the mounting frame (131) being provided with a cavity (132) for storing cleaning liquid, the cavity (132) being provided with a plurality of nozzles (133); the mounting frame (131) being mounted on the guide rail (111), and the mounting frame (131) being provided with a first driving member (134), the driving end of the first driving member (134) being provided with a gear (135), the gear (135) being meshed with the gear row (12).

2. The pressure vessel top cover C-ring groove cleaning device according to claim 1, characterized in that: A plurality of guide wheels (136) are provided at the bottom of the mounting frame (131).

3. The pressure vessel top cover C-ring groove cleaning device according to claim 1, characterized in that: Limit position sensors (14) are respectively provided at both ends of the inner wall surface in the length direction of the cleaning liquid collection box (11).

4. The pressure vessel top cover C-ring groove cleaning device according to claim 1, characterized in that: The pressure vessel top cover C-ring groove cleaning device further comprises two lifting assemblies (15), and the two lifting assemblies (15) are respectively connected to the outer side surfaces of the cleaning liquid collection box (11).

5. The pressure vessel top cover C-ring groove cleaning device according to claim 1, characterized in that: Each lifting assembly (15) comprises a connecting plate (151) and a second driving member (152); The connecting plate (151) is fixedly connected to the outer side surface of the cleaning liquid collection box (11), and the push rod of the second driving member (152) is connected to the connecting plate (151).

6. A cleaning device, characterized in that: It comprises a movable frame (20), on which the pressure vessel top cover C-ring groove cleaning device according to any one of claims 1 to 5 is provided; The movable frame (20) is also provided with a filter water tank (30), the filter water tank (30) is connected to the cleaning liquid collection tank (11) via a first pipeline (31), the filter water tank (30) is connected to the cavity (132) via a second pipeline (32), and a driving pump (33) is provided on the second pipeline (32).

7. The cleaning device according to claim 6, characterized in that: A filter bag installation barrel (34) is provided in the filter water tank (30), the first pipeline (31) is connected to the inner cavity of the filter bag installation barrel (34), and the space of the filter water tank (30) other than the filter bag installation barrel (34) is a post-filtration space, which is connected to the second pipeline (32).

8. The cleaning device according to claim 7, characterized in that: A heater (35) and a temperature sensor (36) are provided in the post-filtration space.

9. The cleaning device according to claim 6, characterized in that: The movable frame (20) is also provided with a wiping assembly (40); The wiping assembly (40) comprises a bracket (41) and a cleaning member (42) arranged on the bracket (41).

10. The cleaning device according to claim 6, characterized in that: The mobile frame (20) is also provided with a pan / tilt camera (50) and / or a binocular camera (60).

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