CN219941944U - Sewage blocking device and system for circulating water pool water absorbing well of oxygen generating station - Google Patents

Abstract

The utility model discloses a sewage blocking device and a sewage blocking system of a circulating water tank and a sewage absorbing well of an oxygen generating station, wherein the sewage blocking device of the circulating water tank and the sewage absorbing well of the oxygen generating station comprises the following components: the supporting retaining wall is arranged between the circulating water tank and the water absorbing well, and the height of the supporting retaining wall is matched with the depth of the circulating water tank; the number of the supporting retaining walls is multiple, and the supporting retaining walls are arranged at intervals along the first direction; the limiting assembly is arranged between two adjacent supporting retaining walls; in a second direction perpendicular to the first direction, the limiting component at each position at least comprises two groups; the dirt blocking grating is installed between the two supporting retaining walls through being matched with the limiting component, and the immersion depth of the dirt blocking grating is larger than that of the circulating water pool. The sewage blocking device for the water absorbing well of the circulating water tank of the oxygen generating station can effectively prevent impurities brought by the circulating water tank and the cooling tower from entering the water absorbing well, can change the sewage blocking grid device on line, and can effectively recycle all water.

Description

Sewage blocking device and system for circulating water pool water absorbing well of oxygen generating station

Technical Field

The utility model relates to the technical field of circulating sewage blocking, in particular to a sewage blocking device and a sewage blocking system for a circulating water tank and a sewage suction well of an oxygen generating station.

Background

The circulating cooling water of the oxygen generating station is clean circulating water, and has higher requirement on water quality cleanliness. The process flow of the circulating cooling water of the oxygen production station is as follows: the circulating water pump absorbs water from the water absorbing well, the water is pressurized by the circulating water pump and then is sent to the oxygen production process equipment, the water temperature is increased after heat exchange of the process equipment, the water with residual pressure returns to the cooling tower for cooling, and the cooled water falls back to the circulating water pool for recycling.

Except that circulating water pond and cooling tower link in the system oxygen station recirculated cooling water system be the open, other are the closed, consequently only have outside impurity entering circulating water system in circulating water pond and cooling tower link, for example: filler fragments generated by the cooling tower body, massive impurities and floccules in the water pool entering the external environment, and the like.

In the prior art, a dirt blocking grid device is generally arranged between a circulating water tank at the lower part of a cooling tower and a water suction well of a circulating water pump, and is used for ensuring the cleanness of water quality in the water suction well, avoiding the suction of massive impurities by the circulating water pump, enabling the water pump to normally operate, prolonging the service life of the water pump, reducing the equipment cost and the labor intensity and ensuring the normal production.

The prior art discloses an overflow type circulating water system filtering device, wherein a partition wall is arranged in a water tank, and a filter screen is arranged between the top of the partition wall and the top of the circulating water tank.

However, the above-described filtering device has the following problems: the water cooled by the cooling tower is completely returned to the circulating water tank, and the water in the circulating water tank overflows from the top of the partition wall and enters the water absorbing well to participate in the circulation of the water supply system, so that the water below the height of the partition wall in the circulating water tank cannot be used for a long time. If the effective circulating water quantity of the circulating water supply system is ensured, the size of the water tank is increased, so that the investment is increased; of course, a large amount of static water in the circulating water pool still cannot participate in the circulating water supply system, and water resources are wasted.

Therefore, it is necessary to provide a sewage blocking device for a circulating water tank and a sewage suction well of an oxygen generating station, which solves at least one of the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the embodiment of the utility model provides the sewage blocking device and the sewage blocking system for the circulating water tank and the water absorbing well of the oxygen generating station, which can effectively avoid the impurities brought by the circulating water tank and the cooling tower from entering the water absorbing well and solve the problem that the circulating water pump is easy to cause accidents.

In addition, the sewage blocking grid device and the sewage blocking grid system of the circulating water pool sewage suction well of the oxygen generating station provided by the embodiment of the utility model can be replaced on line, the production is not affected by insufficient water supply, and all water can be effectively recycled.

The specific technical scheme of the embodiment of the utility model is as follows:

an oxygen generation station circulating water pond water absorbing well trash rack device, oxygen generation station circulating water pond water absorbing well trash rack device includes: the supporting retaining wall is arranged between the circulating water tank and the water absorbing well, and the height of the supporting retaining wall is matched with the depth of the circulating water tank; the number of the supporting retaining walls is multiple, and the supporting retaining walls are arranged at intervals along the first direction; the limiting assembly is arranged between two adjacent supporting retaining walls; in a second direction perpendicular to the first direction, the limit assembly at each location comprises at least two sets; the dirt blocking grids are installed between the two supporting retaining walls in a matched mode with the limiting assemblies, and the immersion depth of the dirt blocking grids is larger than that of the circulating water pool.

In a preferred embodiment, the spacing assembly comprises: the sewage blocking grating is guided along the height direction through the pre-buried guide rail and the grating bottom groove, and the bottom of the sewage blocking grating is positioned in the grating bottom groove after the sewage blocking grating is installed in place.

In a preferred embodiment, the dirt blocking grille comprises: the grid assembly comprises a frame and a grid assembly arranged on the frame, wherein the frame comprises a bottom frame matched with a grid bottom groove, a top frame opposite to the bottom frame, and a side frame arranged between the bottom frame and the top frame and used for being matched with the embedded guide rail.

In a preferred embodiment, the mesh assembly comprises: the support net is used for providing supporting force for the work net, is used for fixing the work net with the support net is in a plurality of horizontal layering and vertical layering on the frame, the work net with the support net sets gradually along the second direction.

In a preferred embodiment, the sewage blocking device of the circulating water tank and the sewage absorbing well of the oxygen generating station further comprises: the crane beam assembly is electrically controlled to promote the facility, be provided with rings on the top frame, electrically controlled promotion facility installs on the crane beam assembly and can pass through rings drive block dirty grid and remove.

In a preferred embodiment, the crane beam assembly comprises: the crane comprises a crane beam body, a crane beam upright post and a crane beam bracket; the crane beam upright extends lengthwise along a height direction and has opposite bottom and top ends; the bottom end of the crane beam upright post is fixed on the supporting baffle wall; the crane beam bracket is arranged near the top end of the crane beam upright post and is used for installing the crane beam body; the crane beam body is used for installing the electric control lifting facility, and is installed on the crane beam bracket.

In a preferred embodiment, the crane beam assembly further comprises: and a crane Liang Dangban, wherein the crane Liang Dangban is disposed at least at one end of the crane beam body.

In a preferred embodiment, the top frame has a height greater than the highest level of the circulating water reservoir.

The sewage blocking system of the circulating water tank sewage suction well of the oxygen generating station comprises any one of the sewage blocking devices of the circulating water tank sewage suction well of the oxygen generating station.

In a preferred embodiment, the sewage blocking system of the circulating water tank and the sewage absorbing well of the oxygen generating station further comprises: the device comprises a circulating water tank, a water absorbing well, a cooling tower, a circulating water pump and oxygen production process equipment, wherein a tank top platform is arranged on the water absorbing well and is used for sealing the water absorbing well.

The technical scheme of the utility model has the following remarkable beneficial effects:

the utility model relates to an oxygen generating station circulating water tank water absorbing well and a circulating water tank, which are arranged between: the supporting retaining wall, the limiting component and the dirt blocking grille block and filter sundries in the circulating water pool, an electric control lifting facility is arranged to regularly lift the dirt blocking grille, sundries on the dirt blocking grille are cleaned, and meanwhile, the other dirt blocking grille continues to work. The whole device has simple structure and complete functions, can clean the dirt blocking grating on line, ensures normal production operation, is simple to operate, and effectively utilizes all circulating water.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments in combination with or instead of the features of the other embodiments.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.

FIG. 1 is a schematic diagram of a sewage blocking system of a circulating water tank and a sewage suction well of an oxygen generating station according to an embodiment of the utility model;

fig. 2 is a schematic structural view of a sewage blocking device of a circulating water tank and a sewage suction well of an oxygen generating station in the bottom of the circulating water tank according to the embodiment of the utility model;

fig. 3 is a schematic structural view of a sewage blocking device of a circulating water tank and a sewage suction well of an oxygen generating station in the top position of the circulating water tank according to the embodiment of the utility model;

fig. 4 is a schematic structural view of a sewage blocking grid in a sewage blocking device of a circulating water tank and a sewage absorbing well of an oxygen generating station according to an embodiment of the utility model;

FIG. 5 is a cross-sectional view of a crane beam assembly A-A in the sewage disposal device of the circulating water pool suction well of the oxygen generation station provided in the embodiment of the utility model in FIG. 3;

fig. 6 is a cross-sectional view of a crane beam assembly B-B in the sewage disposal device of the circulating water tank and the sewage suction well in the oxygen generation station according to the embodiment of the present utility model.

The reference numerals of the utility model:

1. a circulating water tank;

11. supporting the retaining wall; 12. a grid bottom groove; 13. a guide rail;

2. a suction well; 21. a pool top platform;

3. a cooling tower;

4. a dirt blocking grille; 41. a working network; 42. a support net; 43. a hanging ring; 44. a transverse pressing bar; 45. a support frame; 46. a frame; 47. a longitudinal pressing strip;

5. an electric hoist;

6. a crane beam body; 61. crane beam upright post; 62. a crane beam support; 63. a crane Liang Dangban;

7. a circulating water pump;

8. oxygen production process equipment;

x, a first direction; y, second direction; z, height direction.

Detailed Description

The technical solution of the present utility model will be described in detail below with reference to the attached drawings and specific embodiments, it should be understood that these embodiments are only for illustrating the present utility model and not for limiting the scope of the present utility model, and various modifications of equivalent forms of the present utility model will fall within the scope of the appended claims after reading the present utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The embodiment of the utility model provides a sewage blocking device for a water absorbing well of a circulating water tank of an oxygen generating station, which can effectively prevent impurities brought by the circulating water tank and a cooling tower from entering the water absorbing well and solves the problem that an accident is easy to occur to a circulating water pump.

In addition, the sewage blocking grid device of the sewage suction well of the circulating water tank of the oxygen generating station provided by the embodiment of the utility model can be replaced on line, the production is not affected by insufficient water supply, and all water can be effectively recycled.

Referring to fig. 1 to 6, in an embodiment of the present utility model, a trash device for a circulating water tank suction well of an oxygen generating station is provided, where the trash device for a circulating water tank suction well of an oxygen generating station may include: a supporting retaining wall 11, wherein the supporting retaining wall 11 is arranged between the circulating water tank 1 and the water absorbing well 2, and the height of the supporting retaining wall 11 is matched with the depth of the circulating water tank 1; the number of the supporting retaining walls 11 is a plurality, and the plurality of supporting retaining walls 11 are arranged at intervals along the first direction X; the limiting assembly is arranged between two adjacent supporting retaining walls 11; in a second direction Y perpendicular to the first direction X, the limit assembly of each position comprises at least two groups; the trash rack 4 is installed between the two supporting retaining walls 11 by being matched with the limiting assembly, and the water immersion depth of the trash rack 4 is larger than that of the circulating water tank 1.

Referring to fig. 2 and 3 in combination, in this embodiment, the trash device for a circulating water tank and a suction well of an oxygen generating station may mainly include: the retaining wall 11, the limiting component, at least two groups of dirt blocking grids 4 and the like are supported.

The present utility model will be described in detail below with reference to specific drawings and embodiments.

The supporting retaining wall 11 is arranged between the circulating water tank 1 and the water absorbing well 2 and is mainly used for providing support and installation positions for the dirt blocking grid 4. The height of the supporting retaining wall 11 is matched with the depth of the circulating water pool 1. Specifically, the height of the supporting retaining wall 11 is consistent with the depth of the circulating water pool 1. The number of the supporting retaining walls 11 is plural, and the supporting retaining walls 11 are arranged at intervals along the first direction X.

The limiting component is arranged between two adjacent supporting retaining walls 11; in a second direction Y perpendicular to the first direction X, the spacing assembly at each location includes at least two sets.

Specifically, the limiting assembly may include: the sewage blocking grating 4 is guided along the height direction Z by the pre-buried guide rail 13 and the grating bottom groove 12, and the bottom of the sewage blocking grating 4 is positioned in the grating bottom groove 12 after the sewage blocking grating 4 is installed in place.

For example, when the limiting assemblies are two groups, the pre-buried guide rails 13 and the grid bottom grooves 12 between the two adjacent supporting retaining walls 11 are also two groups, one group of limiting assemblies can be used for being matched with the dirt blocking grid 4, and the other group of limiting assemblies is used for standby.

The dirt blocking grating 4 is installed between the two supporting retaining walls 11 in a matched mode with the limiting assembly, the immersion depth of the dirt blocking grating 4 is larger than that of the circulating water tank 1, and the water in the circulating water tank 1 can be fully and effectively utilized.

When the dirt blocking grating 4 works, the bottom of the dirt blocking grating falls into the grating bottom groove 12, and the top of the dirt blocking grating 4 is higher than the highest liquid level of the circulating water pool 1. The dirt blocking grating 4 is arranged in the pre-buried guide rail 13 and the grating bottom groove 12, so that massive impurities can be effectively intercepted.

Referring to fig. 4 in combination, in particular, the dirt blocking grille 4 may include: a frame 46 and a grid assembly disposed on the frame 46. Wherein, the frame 46 comprises a bottom frame for being matched with the grid bottom groove 12, a top frame opposite to the bottom frame, and a side frame arranged between the bottom frame and the top frame and used for being matched with the embedded guide rail 13. The height of the top frame is larger than the highest liquid level of the circulating water pool 1.

The grid assembly may include: the support device comprises a working net 41 and a support net 42 for providing a support force for the working net 41, and a plurality of transverse pressing strips 44 and longitudinal pressing strips 47 for fixing the working net 41 and the support net 42 on a frame 46, wherein the working net 41 and the support net 42 are sequentially arranged along the second direction Y.

The grid assembly comprises a working grid 41 positioned in the middle layer, wherein the working grid 41 is used as a main filter screen, and is fixed by a supporting grid 42, a frame 46, a supporting frame 45, a transverse pressing bar 44 and a longitudinal pressing bar 47 positioned on two sides of the working grid 41.

Referring to fig. 5 and 6 in combination, in one embodiment, the trash rack of the circulating water tank and the water suction well of the oxygen generating station may further include: the crane beam assembly is electrically controlled to promote the facility, be provided with rings 43 on the top frame, electrically controlled promotion facility installs on the crane beam assembly and can pass through rings 43 drive block dirty grid 4 removes.

Through set up rings 43 on the top frame, utilize this rings 43 can carry and hang trash rack 4, be convenient for to trash rack 4 change, clearance.

In one embodiment, the crane beam assembly may include: a crane beam body 6, a crane beam column 61 and a crane beam bracket 62. The crane beam column 61 extends lengthwise along the height direction Z, having opposite bottom and top ends; the bottom ends of the crane beam columns 61 are fixed on the supporting retaining wall 11; the crane beam bracket 62 is installed near the top end of the crane beam upright 61 and is used for installing the crane beam body 6; the crane beam body 6 is used for installing the electric control lifting facility, and the crane beam body 6 is installed on the crane beam bracket 62.

In addition, the crane beam assembly may further include: and a crane Liang Dangban 63, wherein the crane Liang Dangban 63 is disposed at least at one end of the crane beam body 6.

In this embodiment, the electrically controlled lifting device is used to cooperate with the hanging ring 43 to provide driving force for lifting the dirt blocking grating 4. Specifically, the electric control lifting device may be an electric hoist 5. Of course, the electrically controlled lifting device may take other forms, and the utility model is not limited in detail herein.

For example, when the electric control lifting facility is the electric hoist 5, the electric hoist 5 lifts the dirt blocking grating 4 or places the dirt blocking grating 4 at a corresponding working position, a crane beam column 61, a crane beam bracket 62, a crane beam, a crane Liang Dangban and the like are arranged at the supporting retaining wall 11, the crane beam extends to a maintenance area outside a water pool, and a protection crane Liang Dangban is arranged at the crane beam end, so that safe and effective work of the electric hoist 5 is ensured.

In the whole, the sewage blocking device of the circulating water tank sewage suction well of the oxygen generating station can ensure that circulating water entering the sewage suction well 2 is clean, can change and clean the sewage blocking grid 4 on line, is convenient for operators to operate, and can obtain the maximum recycling effect of the circulating water.

By arranging the supporting retaining wall 11 between the circulating water tank 1 and the water absorbing well 2 and arranging the dirt blocking grids 4 at intervals of the supporting retaining wall 11, the quantity of the dirt blocking grids 4 is confirmed through calculation of circulating water quantity (the utility model is not particularly limited here), and the water quantity in the water absorbing well 2 is ensured to meet the water supply quantity of the circulating water pump 7.

The water in the circulating water tank 1 can only enter the water absorbing well 2 through the sewage blocking grating 4, the bottom of the sewage blocking grating 4 falls into the grating bottom groove 12, the immersion depth of the sewage blocking grating 4 is consistent with the water depth in the circulating water tank 1, and the water in the circulating water tank 1 can be fully and effectively utilized.

The side walls supporting the retaining walls 11 are embedded with guide rails 13 at intervals, the positions of the guide rails 13 are provided with grid bottom grooves 12 on the bottom plate of the pool, two groups of guide rails 13 are embedded with each other at each interval for standby, and during normal operation, the guide rails 13 are placed into one group of dirt blocking grids 4, and the dirt blocking grids 4 fall into the grid bottom grooves 12. When the cleaning is needed, the dirt blocking grating 4 lifted by the electric hoist 5 is placed at the corresponding empty guide rail 13 and falls into the grating bottom groove 12, then the dirt blocking grating 4 to be cleaned is lifted by the electric hoist 5, and is sent to a maintenance area along a crane beam for cleaning, so that the dirt blocking grating 4 can be replaced and cleaned on line.

The supporting retaining wall 11 and the dirt blocking grid 4 can effectively filter out massive impurities brought in by the cooling tower 3 and the opening of the circulating water tank 1. The water in the circulating water tank 1 can only enter the water absorbing well 2 through the sewage blocking grating 4, the bottom of the sewage blocking grating 4 falls into the grating bottom groove 12, the top is higher than the water level of the circulating water tank 1, the water in the circulating water tank 1 can be fully and effectively utilized, and the water supply safety of the system of the circulating water tank 1 of the oxygen generating station is ensured.

The sewage blocking grating 4 placed in the deep water is influenced by water pressure in addition to its own weight, resulting in a heavy sewage blocking grating 4. When the dirt blocking grating 4 is replaced, the electric hoist 5 is adopted, the electric hoist 5 lifts the dirt blocking grating 4 or places the dirt blocking grating 4 at a corresponding working position, then the electric hoist 5 lifts the dirt blocking grating 4 to be cleaned, and after the electric hoist is lifted to a certain height, the electric hoist conveys the water pool outside maintenance area to put down the dirt blocking grating 4, and an operator cleans the dirt blocking grating 4.

The crane beam end is provided with a protection crane Liang Dangban 63 to prevent the crane from running to the overhauling area to cause derailment accidents. The crane beam, crane beam column 61, crane beam bracket 62, crane Liang Dangban 63, etc. cooperate to ensure effective operation of the electric hoist 5.

The utility model relates to a device for preventing and filtering impurities in a circulating water tank, which is characterized in that a supporting retaining wall 11, a limiting component and a sewage blocking grid 4 are arranged between a circulating water tank water absorbing well 2 and a circulating water tank 1 of an oxygen generating station, impurities in the circulating water tank 1 are blocked and filtered, an electric control lifting facility is arranged, the sewage blocking grid 4 is lifted regularly, impurities on the sewage blocking grid 4 are cleaned, and the other sewage blocking grid 4 continues to work. The whole device has simple structure and complete functions, can clean the dirt blocking grating 4 on line, ensures normal production operation, is simple to operate, and effectively utilizes all circulating water.

The utility model also provides a sewage blocking system of the circulating water tank sewage absorbing well of the oxygen generating station based on the sewage blocking device of the circulating water tank sewage absorbing well of the oxygen generating station provided by the embodiment, the sewage blocking system of the circulating water tank sewage absorbing well of the oxygen generating station comprises the sewage blocking device of the circulating water tank sewage absorbing well of the oxygen generating station,

the sewage blocking device of the circulating water tank sewage suction well of the oxygen generating station can achieve the technical effects achieved by the implementation mode of the sewage blocking device of the circulating water tank sewage suction well of the oxygen generating station, and the utility model is not repeated herein with reference to the detailed description of the implementation mode.

As shown in fig. 1, the sewage blocking system of the circulating water tank sewage suction well of the oxygen generating station may further include: the device comprises a circulating water tank 1, a water absorbing well 2, a cooling tower 3, a circulating water pump 7 and oxygen production process equipment 8, wherein a tank top platform 21 is arranged on the water absorbing well 2 and is used for sealing the water absorbing well 2.

In this embodiment, a closed cover plate, i.e., a pool top platform 21, is provided on the suction well 2, so that the suction well 2 can be closed, and impurities do not enter the suction well 2 in this step.

A connecting pipeline is arranged between the water absorbing well 2 and the cooling tower 3, and the circulating water pump 7 and the oxygen production process equipment 8 are arranged on the connecting pipeline.

The circulating water pump 7 absorbs water from the water absorbing well 2, the water is pressurized by the circulating water pump 7 and then is sent to the oxygen production process equipment 8, the water temperature is increased after heat exchange by the process equipment, the water with residual pressure returns to the cooling tower 3 for cooling, and the cooled water falls back to the circulating water tank 1 for recycling.

It should be noted that, in the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and to distinguish between similar objects, and there is no order of preference between them, nor should they be construed as indicating or implying relative importance. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing embodiments in the present specification are all described in a progressive manner, and the same and similar parts of the embodiments are mutually referred to, and each embodiment is mainly described in a different manner from other embodiments.

The foregoing is merely a few embodiments of the present utility model, and the embodiments disclosed in the present utility model are merely examples which are used for the convenience of understanding the present utility model and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail of the embodiments without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the appended claims.

Claims (10)

1. The utility model provides a system oxygen station circulating water pond water absorption well trash device which characterized in that, system oxygen station circulating water pond water absorption well trash device includes:

the supporting retaining wall is arranged between the circulating water tank and the water absorbing well, and the height of the supporting retaining wall is matched with the depth of the circulating water tank;

the number of the supporting retaining walls is multiple, and the supporting retaining walls are arranged at intervals along the first direction;

the limiting assembly is arranged between two adjacent supporting retaining walls; in a second direction perpendicular to the first direction, the limit assembly at each location comprises at least two sets;

the dirt blocking grids are installed between the two supporting retaining walls in a matched mode with the limiting assemblies, and the immersion depth of the dirt blocking grids is larger than that of the circulating water pool.

2. The oxygen generating station circulating water pond suction well trash rack of claim 1, wherein the spacing assembly comprises: the sewage blocking grating is guided along the height direction through the pre-buried guide rail and the grating bottom groove, and the bottom of the sewage blocking grating is positioned in the grating bottom groove after the sewage blocking grating is installed in place.

3. The oxygen generating station circulating water pond suction well trash rack of claim 2, wherein the trash rack comprises: the grid assembly comprises a frame and a grid assembly arranged on the frame, wherein the frame comprises a bottom frame matched with a grid bottom groove, a top frame opposite to the bottom frame, and a side frame arranged between the bottom frame and the top frame and used for being matched with the embedded guide rail.

4. A station circulation tank suction well trash rack apparatus according to claim 3, wherein the grid assembly comprises: the support net is used for providing supporting force for the work net, is used for fixing the work net with the support net is in a plurality of horizontal layering and vertical layering on the frame, the work net with the support net sets gradually along the second direction.

5. The oxygen generating station circulating water pond suction well trash rack of claim 3, further comprising: the crane beam assembly is electrically controlled to promote the facility, be provided with rings on the top frame, electrically controlled promotion facility installs on the crane beam assembly and can pass through rings drive block dirty grid and remove.

6. The oxygen generating station circulating water pond suction well trash rack of claim 5, wherein the crane beam assembly comprises: the crane comprises a crane beam body, a crane beam upright post and a crane beam bracket;

the crane beam upright extends lengthwise along a height direction and has opposite bottom and top ends; the bottom end of the crane beam upright post is fixed on the supporting baffle wall;

the crane beam bracket is arranged near the top end of the crane beam upright post and is used for installing the crane beam body;

the crane beam body is used for installing the electric control lifting facility, and is installed on the crane beam bracket.

7. The oxygen generating station circulating water pond suction well trash rack of claim 6, wherein the crane beam assembly further comprises: and a crane Liang Dangban, wherein the crane Liang Dangban is disposed at least at one end of the crane beam body.

8. A station circulation tank suction well trash rack according to claim 3, wherein the top frame is greater than the highest level of the circulation tank.

9. An oxygen generating station circulating water tank sewage blocking system, which is characterized by comprising the oxygen generating station circulating water tank sewage blocking device according to any one of claims 1 to 8.

10. The oxygen generating station circulating water pond sewage suction well system of claim 9, further comprising: the device comprises a circulating water tank, a water absorbing well, a cooling tower, a circulating water pump and oxygen production process equipment, wherein a tank top platform is arranged on the water absorbing well and is used for sealing the water absorbing well.