Plant structure for testing electromagnetic valve of nuclear power station
By designing the plant structure for the solenoid valve test of the nuclear power plant with partition layout and air outlet system in the nuclear power plant, the problem of environmental impurities during the inspection process is solved, and the relatively clean environment in the clean area is achieved, which is suitable for the maintenance and identification experiment of solenoid valves.
Patent Information
- Application Number
- CN202420359392.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-26
AI Technical Summary
In nuclear power plants, during the inspection and testing of nuclear-level solenoid valves, due to the numerous tools and equipment, impurities in the environment may affect the detection results, and the lack of a special clean environment makes it difficult to carry out pollution-sensitive operations.
A factory structure for testing solenoid valve of nuclear power plant was designed, including the factory wall, suspended ceiling, first partition wall and second partition wall, forming an auxiliary area, a clean room area and a clean area, and air is realized through air outlet layout and isolation parts. to ensure that the environment of the clean area is relatively clean.
Through the partition arrangement and air outlet system, this structure effectively reduces impurities entering the clean area, ensures that the solenoid valve inspection and identification experimental environment is clean, suitable for pollution-sensitive operations, and improves the accuracy and safety of detection.
Smart Images
Figure CN222140851U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nuclear power, in particular to a plant structure for testing electromagnetic valves in a nuclear power plant. Background Art
[0002] Nuclear-grade solenoid valves are widely used in nuclear power plants. They need to be inspected before installation, or they may need to be disassembled and maintained later. In ordinary studios, due to the variety of tools and equipment, impurities in the environment may affect the detection and testing of nuclear-grade solenoid valves. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a plant structure for testing electromagnetic valves of a nuclear power plant.
[0004] The technical solution adopted by the utility model to solve the technical problem is as follows: construct a plant structure for testing the electromagnetic valve of a nuclear power plant, comprising a plant wall and a plant ceiling arranged on the plant wall, wherein a first partition wall and a second partition wall are arranged in the plant wall; the first partition wall is located between the plant wall and the second partition wall, and the height of the first partition wall and the second partition wall is less than the height of the plant wall; an isolation piece is arranged above the first partition wall and the second partition wall, and the periphery of the isolation piece is connected to the inner side wall of the plant wall; the isolation piece and the plant ceiling are arranged at intervals;
[0005] The inner space of the second partition wall forms a clean area, the space between the first partition wall and the second partition wall forms a clean room area, and the space between the plant wall and the first partition wall forms an auxiliary area;
[0006] The portion of the isolation member located in the clean area is provided with a plurality of first air outlets and a plurality of second air outlets arranged alternately, the portion of the isolation member located in the clean room area is provided with a plurality of third air outlets and a plurality of fourth air outlets arranged alternately, and the portion of the isolation member located in the auxiliary area is provided with a plurality of fifth air outlets and a plurality of sixth air outlets arranged alternately.
[0007] In some embodiments, the factory building wall includes a concrete body and a first glass magnesium board arranged on the outer periphery of the concrete body.
[0008] In some embodiments, the first partition wall and the second partition wall both include a core material, a steel plate disposed on the periphery of the core material, and a second glass magnesium plate disposed on the periphery of the steel plate.
[0009] In some embodiments, the core material comprises a flame retardant rock wool sandwich panel.
[0010] In some embodiments, the steel plate includes a non-combustible rock wool sandwich color steel plate.
[0011] In some embodiments, the factory ceiling includes a non-combustible rock wool sandwich color steel plate ceiling.
[0012] In some embodiments, the isolation element is a non-combustible rock wool sandwich color steel plate.
[0013] In some embodiments, the bottom surface of the nuclear power plant solenoid valve testing building structure is a polyurethane self-leveling layer.
[0014] In some embodiments, the factory building wall, the first partition wall and / or the second partition wall are provided with windows.
[0015] In some embodiments, the window is provided with tempered glass.
[0016] The implementation of the utility model has the following beneficial effects: the plant structure for testing the solenoid valves of a nuclear power plant can be used as a testing site for the solenoid valves of a nuclear power plant, and its space is divided from the outside to the inside into an auxiliary area, a clean room area, and a clean area. The clean area, as a dedicated testing area for the solenoid valves of a nuclear power plant, can ensure a relatively clean environment and avoid a lot of environmental impurities caused by a variety of related tools and equipment. The auxiliary area can be used as a storage area for auxiliary equipment or a clothing changing area for staff. Part of the work can be done in the auxiliary area first, which can also reduce the entry of impurities into the clean area. In addition, the clean area can control the particulate matter in the air at an appropriate level through ventilation, so that operations sensitive to pollution such as solenoid valve maintenance, grease coating, and identification experiments can be completed in the clean area. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] 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:
[0018] Figure 1 This is one of the structural schematic diagrams of a nuclear power plant electromagnetic valve testing plant structure in some embodiments of the utility model;
[0019] Figure 2 This is the second structural schematic diagram of a nuclear power plant electromagnetic valve testing plant structure in some embodiments of the utility model;
[0020] Figure 3 It is a three-dimensional structural schematic diagram of a nuclear power plant electromagnetic valve testing plant structure in some embodiments of the utility model;
[0021] Figure 4 It is a schematic diagram of the air outlet arrangement of a plant structure for testing electromagnetic valves in a nuclear power plant in some embodiments of the utility model;
[0022] Figure 5 It is a partial structural cross-sectional view of a factory wall in some embodiments of the utility model;
[0023] Figure 6 It is a partial structural sectional view of the first partition wall in some embodiments of the utility model. DETAILED DESCRIPTION
[0024] 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.
[0025] 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.
[0026] 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.
[0027] See also Figures 1 to 4 The utility model shows a plant structure for testing solenoid valves in a nuclear power plant, including a plant wall 10 and a plant ceiling 20 arranged on the plant wall 10, a first partition wall 30 and a second partition wall 40 are arranged in the plant wall 10; the first partition wall 30 is located between the plant wall 10 and the second partition wall 40, and the height of the first partition wall 30 and the second partition wall 40 is less than the height of the plant wall 10, an isolation member 50 is arranged above the first partition wall 30 and the second partition wall 40, and the periphery of the isolation member 50 is connected to the inner wall of the plant wall 10; the isolation member 50 is spaced apart from the plant ceiling 20.
[0028] The inner space of the second partition wall 40 forms a clean area A, the space between the first partition wall 30 and the second partition wall 40 forms a clean room area B, and the space between the plant wall 10 and the first partition wall 30 forms an auxiliary area C. The clean area A can be a solenoid valve detection area of a nuclear power plant.
[0029] The portion of the isolation member 50 located in the clean area A is provided with a plurality of first air vents 51 and a plurality of second air vents 52 arranged alternately, the portion of the isolation member 50 located in the clean room area B is provided with a plurality of third air vents 53 and a plurality of fourth air vents 54 arranged alternately, the portion of the isolation member 50 located in the auxiliary area C is provided with a plurality of fifth air vents 55 and a plurality of sixth air vents 56 arranged alternately, the first air vents 51, the second air vents 52, the third air vents 53, the fourth air vents 54, the fifth air vents 55 and the sixth air vents 56 can be connected to an external fresh air system through pipes, so as to achieve the cleanliness of the air in the clean area A, the clean room area B and the auxiliary area C. The air vents can have air inlets and air outlets, and different pipes are used to connect them to achieve ventilation.
[0030] For example, Figure 4 As shown, the number of the first air outlets 51 and the second air outlets 52 can be two, forming a two-row and two-column arrangement. The two first air outlets 51 can be arranged roughly diagonally, and the two second air outlets 52 can be arranged roughly diagonally, wherein, when the two first air outlets 51 are air inlets, the two second air outlets 52 are air outlets; when the two first air outlets 51 are air outlets, the two second air outlets 52 are air inlets.
[0031] The number of the third air outlet 53 and the fourth air outlet 54 can be three, and the three third air outlets 53 and the three fourth air outlets 54 are alternately arranged in a ring, wherein when the third air outlet 53 is an air inlet, the fourth air outlet 54 is an air outlet; when the third air outlet 53 is an air outlet, the fourth air outlet 54 is an air inlet.
[0032] The number of the fifth air outlet 55 and the sixth air outlet 56 can be four, and the four fifth air outlets 55 and the four sixth air outlets 56 are alternately arranged in a ring, wherein when the fifth air outlet 55 is an air inlet, the sixth air outlet 56 is an air outlet; when the fifth air outlet 55 is an air outlet, the sixth air outlet 56 is an air inlet.
[0033] In some embodiments, Figure 1 As shown, the factory wall 10, the first partition wall 30 and the second partition wall 40 can all be roughly in the shape of a U. The factory wall 10, the first partition wall 30 and the second partition wall 40 are interconnected from the outside to the inside, and the whole is like a "U"-shaped maze, which can be regarded as composed of three independent spaces nested and separated layers.
[0034] Continue reading Figure 1 The factory building wall 10 may include a first wall 11, a second wall 12, a third wall 13 and a fourth wall 14 connected end to end, the first partition wall 30 may include a fifth wall 21, a sixth wall 22, a seventh wall 23 and an eighth wall 24 connected end to end, and the second partition wall 40 may include a ninth wall 41, a tenth wall 42, an eleventh wall 43 and a twelfth wall 44 connected end to end, wherein the first wall 11, the fifth wall 21 and the ninth wall 41 are arranged in parallel and spaced apart, the second wall 12, the sixth wall 22 and the tenth wall 42 are arranged in parallel and spaced apart, the third wall 13, the seventh wall 23 and the eleventh wall 43 are arranged in parallel and spaced apart, and the fourth wall 14, the eighth wall 24 and the twelfth wall 44 are arranged in parallel and spaced apart.
[0035] Furthermore, the first wall 11 is provided with a first channel 111, the fifth wall 21 is provided with a second channel 211, and the ninth wall 41 is provided with a third channel 411. The first channel 111, the second channel 211, and the third channel 411 can be arranged relatively to form a logistics channel.
[0036] The second wall 12 is provided with a fourth passage 121 , the sixth wall 22 is provided with a fifth passage 221 , and the tenth wall 42 is provided with a sixth passage 421 . The fourth passage 121 , the fifth passage 221 , and the sixth passage 421 can be arranged relative to each other to form an emergency entrance and exit passage.
[0037] The second wall 12 is further provided with a seventh passage 122, the sixth wall 22 is further provided with an eighth passage 222, and the tenth wall 42 is further provided with a ninth passage 422. The seventh passage 122, the eighth passage 222, and the ninth passage 422 can be arranged relative to each other to form a passage for people to enter and exit. The number of the seventh passage 122, the eighth passage 222, and the ninth passage 422 can be one or two.
[0038] The third wall 13 is provided with a tenth channel 131, the seventh wall 23 is provided with an eleventh channel 231, and the eleventh wall 43 is provided with a twelfth channel 431. The tenth channel 131, the eleventh channel 231, and the twelfth channel 431 can be arranged relatively to form a product entry and exit channel.
[0039] The fourth wall 14 is provided with a thirteenth channel 141, the eighth wall 24 is provided with a fourteenth channel 241, and the twelfth wall 44 is provided with a fifteenth channel 441. The thirteenth channel 141, the fourteenth channel 241, and the fifteenth channel 441 can be arranged relatively to form a waste inlet and outlet channel.
[0040] Preferably, the passage on the factory wall 10 can adopt a double-opening translational electric sliding door, and the passage on the first partition wall 30 and the second partition wall 40 can adopt a 50 mm thick rock wool color steel plate door.
[0041] In some embodiments, Figure 5 As shown, the factory wall 10 includes a concrete body 10a and a first glass magnesium board 10b arranged on the periphery of the concrete body 10a. The thickness of the concrete body 10a can be greater than or equal to 50 mm. The thickness of the first glass magnesium board 10b can be greater than or equal to 5 mm. Of course, the factory wall 10 adopts a concrete wall + putty + glass magnesium board structure.
[0042] In some embodiments, the first partition wall 30 and the second partition wall 40 both include a core material, a steel plate disposed on the periphery of the core material, and a second glass magnesium plate disposed on the periphery of the steel plate. The core material may include a flame-retardant rock wool sandwich panel, and the steel plate may include a non-combustible rock wool sandwich color steel plate. Figure 6 As shown, taking the first partition wall 30 as an example, the first partition wall 30 includes a core material 30a, a steel plate 30b arranged on the periphery of the core material 30a, and a second glass magnesium plate 30c arranged on the periphery of the steel plate 30b. The core material 30a is a flame retardant rock wool sandwich panel (flame retardant rock wool sandwich), and the density of the core material 30a is not less than 130Kg / m 3 The sum of the thickness of the core material 30a and the steel plate 30b may be 50 mm. The thickness of the second glass magnesium plate 30c is approximately 5 mm.
[0043] In some embodiments, the factory ceiling 20 includes a non-combustible rock wool sandwich color steel plate ceiling. The factory ceiling 20 and the factory wall 10 can be chamfered with aluminum alloy (electrophoretic aluminum alloy profile) to avoid dust accumulation.
[0044] In some embodiments, the isolation member 50 is a non-combustible rock wool sandwich color steel plate, for example, a 50 mm thick non-combustible rock wool sandwich color steel plate ceiling can be used.
[0045] In some embodiments, the bottom surface of the nuclear power plant electromagnetic valve test plant structure is a polyurethane self-leveling layer 60. It can be understood that the ground of the nuclear power plant electromagnetic valve test plant structure is formed by at least 3mm polyurethane self-leveling to form a surface layer.
[0046] In some embodiments, the factory wall 10, the first partition wall 30 and / or the second partition wall 40 are provided with windows. Preferably, the windows are provided with tempered glass, for example, high-quality 5 mm thick tempered glass with double-layer glass plane design can be selected.
[0047] In some embodiments, the factory wall 10 and the factory ceiling 20 can be welded and fixed, and the factory wall 10, the first partition wall 30, the second partition wall 40 and the isolation member 50 can also be welded and fixed or fixed with bolts. Preferably, all joints and assembly gaps must be sealed with sealant, and the sealant should be full, smooth and not fall off.
[0048] In some embodiments, the clean area A, the clean room area B and the auxiliary area C may be provided with humidity sensors and / or temperature sensors.
[0049] In some embodiments, the middle of the clean area A is the process core area, which is the inspection and testing location for the solenoid valves of the nuclear power plant, and the inspection equipment can be installed in the process core area.
[0050] It can be understood that the plant structure for testing the solenoid valves of the nuclear power plant can be used as a testing site for the solenoid valves of the nuclear power plant. Its space is divided into auxiliary area C, clean room area B, and clean area A from outside to inside. The clean area A, as a dedicated testing area for the solenoid valves of the nuclear power plant, can ensure the relative cleanliness of the environment and avoid the environment being filled with impurities due to the variety of related tools and equipment. The auxiliary area C can be used as a storage area for auxiliary equipment or a clothing changing area for staff. Some operations can be carried out in the auxiliary area first, which can also reduce the entry of impurities into the clean area A. In addition, the clean area A can control the particulate matter in the air at an appropriate level through ventilation, so that pollution-sensitive operations such as solenoid valve maintenance, grease coating, and identification experiments can be completed in the clean area A.
[0051] Moreover, the entire flame retardancy and safety of the nuclear power plant solenoid valve testing plant structure are relatively high.
[0052] 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 plant structure for testing electromagnetic valves in a nuclear power plant, characterized in that: The invention comprises a factory wall (10) and a factory ceiling (20) arranged on the factory wall (10); a first partition wall (30) and a second partition wall (40) are arranged in the factory wall (10); the first partition wall (30) is located between the factory wall (10) and the second partition wall (40), and the height of the first partition wall (30) and the second partition wall (40) is less than the height of the factory wall (10); an isolation member (50) is arranged above the first partition wall (30) and the second partition wall (40), and the periphery of the isolation member (50) is connected to the inner side wall of the factory wall (10); the isolation member (50) and the factory ceiling (20) are arranged at a distance; The inner space of the second partition wall (40) forms a clean area (A), the space between the first partition wall (30) and the second partition wall (40) forms a clean room area (B), and the space between the factory wall (10) and the first partition wall (30) forms an auxiliary area (C); The portion of the isolation member (50) located in the clean area (A) is provided with a plurality of first air outlets (51) and a plurality of second air outlets (52) arranged alternately, the portion of the isolation member (50) located in the clean room area (B) is provided with a plurality of third air outlets (53) and a plurality of fourth air outlets (54) arranged alternately, and the portion of the isolation member (50) located in the auxiliary area (C) is provided with a plurality of fifth air outlets (55) and a plurality of sixth air outlets (56) arranged alternately.
2. The nuclear power plant electromagnetic valve testing plant structure according to claim 1, characterized in that: The factory building wall (10) comprises a concrete body and a first glass magnesium board arranged on the outer periphery of the concrete body.
3. The nuclear power plant electromagnetic valve testing plant structure according to claim 1, characterized in that: The first partition wall (30) and the second partition wall (40) both comprise a core material, a steel plate arranged on the periphery of the core material, and a second glass magnesium plate arranged on the periphery of the steel plate.
4. The nuclear power plant electromagnetic valve testing plant structure according to claim 3, characterized in that: The core material comprises a flame retardant rock wool sandwich panel.
5. The nuclear power plant electromagnetic valve testing plant structure according to claim 3, characterized in that: The steel plate comprises a non-combustible rock wool sandwich colored steel plate.
6. The nuclear power plant electromagnetic valve testing plant structure according to claim 1, characterized in that: The factory building ceiling (20) comprises a non-combustible rock wool sandwich colored steel plate ceiling.
7. The nuclear power plant electromagnetic valve testing plant structure according to claim 1, characterized in that: The isolation member (50) is a non-combustible rock wool sandwich colored steel plate.
8. The nuclear power plant electromagnetic valve testing plant structure according to claim 1, characterized in that: The bottom surface of the nuclear power plant solenoid valve testing plant structure is a polyurethane self-leveling layer.
9. The nuclear power plant electromagnetic valve testing plant structure according to claim 1, characterized in that: The factory building wall (10), the first partition wall (30) and / or the second partition wall (40) are provided with windows.
10. The nuclear power plant electromagnetic valve testing plant structure according to claim 9, characterized in that: The viewing window is provided with tempered glass.