Nuclear power plant trash holding device

Abstract

The invention discloses a nuclear power plant trash holding device which is installed on a water inlet channel and comprises a rotary filter screen assembly, a flow guide baffle, a collecting channel and a suction platform. According to the trash holding device for the nuclear power plant, sundries in the water inlet channel can be intercepted through the rotary filter screen assembly, the rotary filter screen assembly washes the sundries into the collecting channel through the water flow self-cleaning capacity and the filter screen rotating capacity, and the trash cleaning device is arranged in the collecting channel to automatically clean the sundries. And the suction device is further arranged and can be used for sucking sundries, an operator can concentrate, load and carry away the sucked and fished sundries ashore, and meanwhile, a flow guide baffle is further arranged to intercept floating hard garbage so as to prevent the floating hard garbage from scratching the rotary filter screen assembly.

Description

Technical Field

[0001] The present invention relates to the field of pollution interception in nuclear power plants, and in particular to a pollution interception device in nuclear power plants. Background Art

[0002] In recent years, with the commissioning of many domestic coastal nuclear power plants, incidents of pollution control nets being blocked by pollutants such as aquatic plants, garbage, and marine organisms have occurred in the operating nuclear power units. External incidents of water intake blockage leading to safe and stable operation of the units have occurred from time to time, and cold source safety has gradually become a highly concerned issue.

[0003] The pollution interception net at the water intake is the first line of defense for water intake safety. In order to ensure the water intake safety of nuclear power units, it is very necessary to add pollution interception facilities to the open water intake channel of nuclear power plants. Currently, nuclear power plants often use the method of "net bag interception + manual offshore fishing boat transfer and cleaning" to protect the cold source system. This method is seriously affected by the weather. During the period of superimposed marine organism outbreaks, manual transfer and cleaning by fishing boats cannot be effectively implemented, which directly affects the safe operation of nuclear power plants. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a pollution interception device for a nuclear power plant.

[0005] The technical solution adopted by the present invention to solve the technical problem is: construct a nuclear power plant pollution interception device, which is installed on the water inlet channel and includes a rotating filter assembly, a guide baffle, a collection channel and a suction platform;

[0006] The collecting channel is installed in the water inlet channel, the rotating filter assembly is used to intercept the debris in the water inlet channel, and is used to drain the debris in the water inlet channel to the collecting channel, and a cleaning device is provided on the collecting channel;

[0007] The guide baffle is installed in the water inlet channel and is located in front of the rotating filter assembly, and the guide baffle is used to intercept floating hard garbage;

[0008] The suction platform is arranged on the first bank of the water inlet channel, the suction platform is arranged corresponding to the collection channel, and a suction device is arranged on the suction platform.

[0009] In some embodiments, the nuclear power plant pollution interception device also includes a net cleaning and loading and unloading platform, which is located on the second bank of the water inlet channel and is used to repair and clean the rotating filter assembly.

[0010] In some embodiments, the net cleaning and loading and unloading platform is provided with a first debris loading and unloading lane.

[0011] In some embodiments, a second debris loading and unloading lane is provided on the suction platform.

[0012] In some embodiments, the rotating filter assembly includes a filter body, an upper cable and a lower cable, and the upper cable and the lower cable are separately installed at the top and the bottom of the filter body.

[0013] In some embodiments, the upper cable and the lower cable are connected to the filter body via a cable grip.

[0014] In some embodiments, the nuclear power plant pollution interception device further comprises a support assembly, wherein the support assembly comprises a plurality of structural piles, the bottom of the structural piles being connected to the bottom foundation of the water inlet channel, and the top of the structural piles being protruding from the water surface of the water inlet channel;

[0015] The filter body and the guide baffle are both connected to the structural pile.

[0016] In some embodiments, the plurality of structural piles are arranged at equal intervals.

[0017] In some embodiments, the nuclear power plant pollution interception device further includes a blocking member, which is installed in the water inlet channel, and two ends of the blocking member are respectively connected to one of the structural piles and the collecting channel.

[0018] In some embodiments, the cleaning device is a chain cleaning machine.

[0019] The implementation of the present invention has the following beneficial effects: the nuclear power plant pollution interception device can intercept the debris in the water inlet channel by using the rotating filter assembly, and the rotating filter assembly uses the self-cleaning ability of water flow and the rotating ability of the filter to flush the debris into the collection channel, and a pollution cleaning device is set in the collection channel to automatically clean the debris. A suction device is also provided for sucking the debris, and the operator can collect the suctioned and salvaged debris and load it onto a truck for transportation. At the same time, a guide baffle is also provided to intercept floating hard garbage to prevent the floating hard objects from scratching the rotating filter assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the present invention, the present invention 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 present invention and should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work. In the drawings:

[0021] Figure 1 is a schematic diagram of the overall structure of a nuclear power plant pollution interception device in some embodiments of the present invention;

[0022] Figure 2 is a schematic diagram of the arrangement of a rotary filter assembly in some embodiments of the present invention;

[0023] Figure 3 It is a schematic diagram of the arrangement of the support assembly in some embodiments of the present invention. DETAILED DESCRIPTION

[0024] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments 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 invention can be understood according to the specific circumstances.

[0026] See also Figures 1 to 3, is a nuclear power plant pollution interception device in some embodiments of the present invention, which is installed on the water inlet channel 5, in which marine organisms and floating objects flow, and the two sides of the water inlet channel 5 have a first bank 51 and a second bank 52. The nuclear power plant pollution interception device includes a rotary filter assembly 1, a guide baffle 2, a collection channel 3 and a suction platform 4. The collection channel 3 is installed in the water inlet channel 5, the rotary filter assembly 1 is used to intercept the debris in the water inlet channel 5, and is used to guide the debris in the water inlet channel 5 to the collection channel 3, and the collection channel 3 is provided with a pollution cleaning device 31, the guide baffle 2 is installed in the water inlet channel 5 and is located in front of the rotary filter assembly 1, and the guide baffle 2 is used to intercept floating hard garbage, and the suction platform 4 is arranged on the first bank 51 of the water inlet channel 5, and the suction platform 4 is arranged corresponding to the collection channel 3, and the suction platform 4 is provided with a suction device 41.

[0027] Specifically, the rotating filter assembly 1 can intercept the debris in the water inlet channel 5, and use the self-cleaning ability of the water flow and the rotating ability of the filter to flush the debris into the collection channel 3. One or two cleaning devices 31 can be set in the collection channel 3. When there are fewer debris, no manual intervention is required, and the debris in the collection channel 3 can be automatically cleaned and automatically transported to the suction platform 4 for centralized treatment. The debris can be marine organisms and garbage. The cleaning device 31 can be used for floating and suspended matter treatment, suitable for various complex water qualities, and can handle various coarse garbage, large areas of water and weeds. The cleaning device 31 is preferably a chain cleaning machine. The chain cleaning machine can efficiently clean the debris in the sewage pool through the design of chains and tracks to ensure the cleanliness of water quality and the sanitation of the environment.

[0028] In addition, the suction platform 4 is arranged corresponding to the collection channel 3, and the suction device 41 on the suction platform 4 can be used to suck the debris, and the operator can collect the debris sucked and salvaged ashore and load it for transportation. The guide baffle 2 is a metal baffle located near the water surface in front of the rotating filter assembly 1, and its function is to intercept floating hard garbage to prevent the floating hard objects from scratching the rotating filter assembly 1 behind.

[0029] It can be understood that the nuclear power plant pollution interception device can intercept the debris in the water inlet channel 5 by using the rotating filter assembly 1. The rotating filter assembly 1 uses the self-cleaning ability of water flow and the rotating ability of the filter to flush the debris into the collection channel 3. The cleaning device 31 is set in the collection channel 3 to automatically clean the debris. A suction device 41 is also provided to suck the debris. The operator can collect the suctioned and salvaged debris and load it onto a truck for transportation. At the same time, a guide baffle 2 is also provided to intercept floating hard garbage to prevent the floating hard objects from scratching the rotating filter assembly 1.

[0030] The pollution interception device of the nuclear power plant further comprises a net cleaning and loading and unloading platform 6, which is arranged on the second bank 52 of the water inlet channel 5, and is used to repair and clean the rotating filter assembly 1. The tail of the rotating filter assembly 1 rotates out of the water surface and reaches the net cleaning and loading and unloading platform 6, where the rotating filter assembly 1 can be cleaned and replaced, realizing the onshore operation of replacing, repairing and cleaning the rotating filter assembly 1.

[0031] In addition, the net cleaning and loading and unloading platform 6 is provided with a first debris loading and unloading lane 61 to facilitate the loading and unloading and transportation of debris on the net cleaning and loading and unloading platform 6. The suction platform 4 is provided with a second debris loading and unloading lane 42 to facilitate the loading and unloading and transportation of debris on the suction platform 4.

[0032] like Figure 2 As shown, the rotary filter assembly 1 includes a filter body 11, an upper cable and a lower cable, and the upper cable and the lower cable are separately installed at the top and the bottom of the filter body 11. The upper cable and the lower cable can simultaneously drive the filter body 11 to rotate, and the upper cable and the lower cable are connected to the filter body 11 through a cable gripper, which is equivalent to a hook and functions to ensure that the upper cable and the lower cable can be firmly connected to the filter body 11.

[0033] like Figure 2 and Figure 3 As shown, the pollution interception device of the nuclear power plant further includes a support assembly 7, which includes a plurality of structural piles 71, the bottom of the structural piles 71 is connected to the bottom channel foundation 53 of the water inlet channel 5, the top of the structural piles 71 protrudes from the water surface of the water inlet channel 5, and the filter body 11 and the guide baffle 2 are both connected to the structural piles 71. Preferably, the plurality of structural piles 71 are arranged at equal intervals. It can be understood that by using the plurality of structural piles 71 as the supporting members of the filter body 11 and the structural piles 71 as the fulcrum of the filter body 11, the entire rotary filter assembly 1 can be applied to the water inlet channel 5 with a wide width.

[0034] The nuclear power plant pollution interception device also includes a blocking member 8, which is installed in the water inlet channel 5, and the two ends of the blocking member 8 are respectively connected to one of the structural piles 71 and the collecting channel 3. The blocking member 8 is specifically used to block the debris between the structural pile 71 and the collecting channel 3 so that the debris can only flow to the collecting channel 3.

[0035] It can be understood that the above embodiments only express the preferred implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the present invention. Therefore, all equivalent changes and modifications made to the scope of the claims of the present invention should belong to the scope covered by the claims of the present invention.

Claims

1. A pollution interception device for a nuclear power plant, installed on a water inlet channel (5), characterized in that: It comprises a rotating filter assembly (1), a guide baffle (2), a collection channel (3) and a suction platform (4); The collecting channel (3) is installed in the water inlet channel (5), the rotating filter assembly (1) is used to intercept debris in the water inlet channel (5), and is used to guide the debris in the water inlet channel (5) into the collecting channel (3), and the collecting channel (3) is provided with a cleaning device (31); The guide baffle (2) is installed in the water inlet channel (5) and is located in front of the rotating filter assembly (1), and the guide baffle (2) is used to intercept floating hard garbage; The suction platform (4) is arranged on the first bank (51) of the water inlet channel (5), the suction platform (4) is arranged corresponding to the collection channel (3), and a suction device (41) is provided on the suction platform (4).

2. The nuclear power plant pollution interception device according to claim 1, characterized in that: The nuclear power plant pollution interception device also includes a net cleaning and loading and unloading platform (6), which is arranged on the second bank (52) of the water inlet channel (5), and is used to repair and clean the rotating filter assembly (1).

3. The nuclear power plant pollution interception device according to claim 2, characterized in that: The net cleaning and loading and unloading platform (6) is provided with a first debris loading and unloading lane (61).

4. The nuclear power plant pollution interception device according to claim 1, characterized in that: The suction platform (4) is provided with a second debris loading and unloading lane (42).

5. The nuclear power plant pollution interception device according to claim 1, characterized in that: The rotary filter assembly (1) comprises a filter body (11), an upper cable and a lower cable, wherein the upper cable and the lower cable are separately installed at the top and the bottom of the filter body (11).

6. The pollution interception device for a nuclear power plant according to claim 5, characterized in that: The upper cable and the lower cable are both connected to the filter body (11) via a cable grip.

7. The pollution interception device for a nuclear power plant according to claim 5, characterized in that: The nuclear power plant pollution interception device further comprises a support assembly (7), wherein the support assembly (7) comprises a plurality of structural piles (71), the bottom of the structural piles (71) being connected to the bottom channel foundation (53) of the water inlet channel (5), and the top of the structural piles (71) protruding above the water surface of the water inlet channel (5); The filter body (11) and the guide baffle (2) are both connected to the structural pile (71).

8. The pollution interception device for a nuclear power plant according to claim 7, characterized in that: The plurality of structural piles (71) are arranged at equal intervals.

9. The pollution interception device for a nuclear power plant according to claim 7, characterized in that: The nuclear power plant pollution interception device also includes a blocking member (8), which is installed in the water inlet channel (5), and the two ends of the blocking member (8) are respectively connected to one of the structural piles (71) and the collection channel (3).

10. The pollution interception device for a nuclear power plant according to claim 1, characterized in that: The cleaning device (31) is a chain-type cleaning machine.

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