CN219804295U

CN219804295U - Nuclear grade main pump sealing water return filter special for nuclear power

Info

Publication number: CN219804295U
Application number: CN202321012768.1U
Authority: CN
Inventors: 杨正笛; 孟余兵; 童鹏; 张磊
Original assignee: Qinghe Tongxing Energy Equipment Co ltd
Current assignee: Qinghe Tongxing Energy Equipment Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-10
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a nuclear grade main pump sealing water return filter special for nuclear power, which comprises an outer shell, wherein fixed mounting blocks are fixedly mounted on two sides of the upper side of the right end of the outer shell, rubber buffer blocks are arranged at corners of the rear side of the inner part of the outer shell, a filter box is arranged on the inner side of the outer shell, a movable transverse plate is arranged on the upper side of the inner part of the filter box, a filter screen plate connected with the filter box is arranged at the lower end of the movable transverse plate, and a connecting assembly consists of a limiting bolt, a deflector rod and a reset spring; the sealing plate, its left side that sets up at the shell body, the right-hand member inboard of sealing plate is provided with rubber seal, the junction of sealing plate and shell body is provided with the reinforcement angle member. This nuclear power dedicated nuclear level main pump sealing water returns filter is favorable to carrying out stable connection installation, avoids producing when causing the use and rocks the problem that leads to droing, can dismantle the change as required, and has improved the practical effect of device.

Description

Nuclear grade main pump sealing water return filter special for nuclear power

Technical Field

The utility model relates to the technical field related to nuclear power, in particular to a nuclear grade main pump sealing water return filter special for nuclear power.

Background

The seal water return filter is a device for removing a small amount of solid particles carried away by the cooling water of the main seal pump of the nuclear grade main seal when passing through the main seal, and can protect the normal operation of the system, so that a filter is needed, for example:

the prior art scheme has the following defects: the utility model discloses a nuclear level main pump sealing water return filter is put forward to a nuclear power dedicated to be convenient for solve the problem that above-mentioned was put forward to be difficult to carry out stable connection installation, produces when easily causing the use and rocks and lead to droing, is inconvenient for dismantling the change as required, and the practical effect is not good.

Disclosure of Invention

The utility model aims to provide a nuclear grade main pump sealing water return filter special for nuclear power, which solves the problems that the prior art is inconvenient to stably connect and install, easy to shake and fall off during use, inconvenient to detach and replace according to the needs and poor in practical effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a nuclear level main pump sealing water return filter special for nuclear power, includes the shell body, the right-hand member upside both sides of shell body are all fixed mounting piece, and the inside rear side corner of shell body is provided with the rubber buffer block, the inboard of shell body is provided with the rose box, and the inside upside of rose box is provided with the activity diaphragm, the lower extreme of activity diaphragm is provided with the filter screen board that is connected with the rose box, and the outside of activity diaphragm is provided with the coupling assembling who is located the rose box, coupling assembling comprises spacing bolt, driving lever and reset spring;

the sealing plate, its left side that sets up at the shell body, the right-hand member inboard of sealing plate is provided with rubber seal, and the preformed hole groove has all been seted up to the upper and lower both ends inboard of sealing plate, the junction of sealing plate and shell body is provided with the reinforcement angle member, and the inboard of reinforcement angle member is provided with the regulation bolt to the outside of regulation bolt is provided with the rubber circle.

Preferably, the rubber buffer blocks are uniformly arranged on four corners on the right side of the inside of the filter box, the rubber buffer blocks are connected with the filter box in an adhering mode, and the filter box forms a clamping type sliding structure in the outer shell.

Preferably, the left side and the right side of the filter box are respectively provided with a second flow hole groove and a first flow hole groove, and the second flow hole groove and the first flow hole groove are uniformly formed in the outer side of the filter box.

Preferably, the movable cross plate is fixedly connected with the filter screen plate, and the filter screen plate forms a clamping sliding structure in the filter box.

Preferably, a limiting bolt is arranged at the joint of the movable cross plate and the filter box, a deflector rod is arranged at the upper end of the limiting bolt, and a reset spring positioned at the inner side of the filter box is arranged at the outer side of the limiting bolt.

Preferably, the limiting bolt is fixedly connected with the deflector rod, the limiting bolt is connected with the movable transverse plate in a clamping manner, and the limiting bolt forms an elastic telescopic structure in the filter box through the reset spring.

Preferably, the sealing plate is connected with the rubber sealing piece in an adhering mode, the sealing plate is connected with the outer shell in a clamping mode through the rubber sealing piece, and the right surface of the rubber sealing piece is in an adhering arrangement with the left surface of the filter box.

Preferably, the sealing plate and the outer shell are connected in a threaded manner through the adjusting bolt and the reserved hole groove, and the adjusting bolt is connected with the rubber ring in a sleeved manner.

Compared with the prior art, the utility model has the beneficial effects that: the nuclear grade main pump sealing water return filter special for nuclear power is favorable for stable connection and installation, avoids the problem of falling caused by shaking during use, can be detached and replaced according to the needs, and improves the practical effect of the device;

1. the fixed mounting blocks are arranged vertically symmetrically about the right-end central line of the outer shell, and the upper side and the lower side of the sealing plate arranged at the left end of the outer shell are provided with reserved hole grooves, so that the outer shell can be stably mounted on a fixed surface, the problem that the outer shell falls off due to shaking during use is avoided, and the connection stability of the device is effectively improved;

2. the sealing plate and the shell are connected in a threaded mode between the adjusting bolt and the preformed hole groove, and the adjusting bolt is connected with the rubber ring in a sleeved mode, so that the whole filter box can be slid and extracted when the sealing plate is opened, the consumable part can be conveniently detached and replaced, and the detachability of the device is effectively improved;

3. the setting is fixed connection between spacing bolt and the driving lever, and adopts the mode of block to be connected between spacing bolt and the activity diaphragm to spacing bolt constitutes elastic expansion structure through reset spring in the rose box, when both ends stir the driving lever about, can make spacing bolt and activity diaphragm separate, thereby dismantle the change to the filter screen board, avoid influencing the filter effect, effectually improved the practical effect of the device.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

fig. 4 is an enlarged view of the structure of fig. 3B according to the present utility model.

In the figure: 1. an outer housing; 2. fixing the mounting block; 3. a rubber buffer block; 4. a filter box; 5. a movable cross plate; 6. a filter screen plate; 7. a connection assembly; 701. a limit bolt; 702. a deflector rod; 703. a return spring; 8. a first flow-through-hole groove; 9. a second flow aperture slot; 10. a sealing plate; 11. a rubber seal; 12. reserving a hole groove; 13. reinforcing corner pieces; 14. an adjusting bolt; 15. a rubber ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a nuclear level main pump sealing water return filter special for nuclear power, including the right-hand member upside both sides of shell body 1 are all fixed mounting piece 2, and the inside rear side corner of shell body 1 is provided with rubber buffer block 3, the inboard of shell body 1 is provided with rose box 4, and the inside upside of rose box 4 is provided with movable diaphragm 5, the lower extreme of movable diaphragm 5 is provided with the filter screen board 6 that is connected with rose box 4, and the outside of movable diaphragm 5 is provided with coupling assembling 7 that is located the rose box 4, coupling assembling 7 comprises spacing bolt 701, driving lever 702 and reset spring 703;

the sealing plate 10 sets up in the left side of shell body 1, and the right-hand member inboard of sealing plate 10 is provided with rubber seal 11, and the preformed hole groove 12 has all been seted up to the upper and lower both ends inboard of sealing plate 10, and the junction of sealing plate 10 and shell body 1 is provided with consolidates corner fittings 13, and consolidates the inboard of corner fittings 13 and be provided with adjusting bolt 14 to the outside of adjusting bolt 14 is provided with rubber circle 15.

When the nuclear-grade main pump sealing water special for nuclear power is used for returning the filter, assembly of all parts is completed at first, specifically, as shown in fig. 1, 2 and 3, the fixed mounting block 2 is arranged symmetrically about the right end central line of the outer shell 1, preformed hole grooves 12 are formed in the upper side and the lower side of the sealing plate 10 arranged at the left end of the outer shell 1, the outer shell 1 can be stably mounted on a fixed surface, the problem that the sealing plate 10 and the outer shell 1 fall off due to shaking is avoided when in use, the sealing plate 10 and the outer shell 1 are connected with the preformed hole grooves 12 in a threaded mode, the adjusting bolt 14 is connected with the rubber ring 15 in a sleeving mode, the sealing plate 10 and the preformed hole grooves 12 are stably connected and mounted under the action of the reinforcing corner piece 13, shaking is avoided, the right surface of the matched rubber sealing piece 11 and the left surface of the filter box 4 are in a fitting mode, and sealing effect can be provided after closing.

In particular, as shown in fig. 1, fig. 3 and fig. 4, a limiting bolt 701 is fixedly connected with a deflector 702, the limiting bolt 701 is connected with the movable transverse plate 5 in a clamping manner, the limiting bolt 701 forms an elastic telescopic structure in the filtering box 4 through a reset spring 703, when the deflector 702 is stirred at the left end and the right end, the limiting bolt 701 and the movable transverse plate 5 can be separated, so that the filtering screen 6 is detached and replaced, the filtering effect is avoided, when liquid enters from the second flow hole groove 9 and is discharged from the first flow hole groove 8 after being filtered by the connecting component 7, the filtering box 4 can be fixedly limited in the outer shell 1 under the action of the rubber buffer block 3 and the rubber sealing piece 11, and shaking or displacement is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A nuclear grade main pump seal water return filter dedicated to nuclear power, comprising:

the filter comprises an outer shell body (1), wherein fixed mounting blocks (2) are fixedly mounted on two sides of the upper side of the right end of the outer shell body (1), rubber buffer blocks (3) are arranged at corners of the rear side of the inner part of the outer shell body (1), a filter box (4) is arranged on the inner side of the outer shell body (1), a movable transverse plate (5) is arranged on the upper side of the inner part of the filter box (4), a filter screen plate (6) connected with the filter box (4) is arranged at the lower end of the movable transverse plate (5), a connecting assembly (7) positioned in the filter box (4) is arranged on the outer side of the movable transverse plate (5), and the connecting assembly (7) consists of a limiting bolt (701), a deflector rod (702) and a reset spring (703);

the sealing plate (10), it sets up the left side at shell body (1), the right-hand member inboard of sealing plate (10) is provided with rubber seal (11), and preformed hole groove (12) have all been seted up to the upper and lower both ends inboard of sealing plate (10), the junction of sealing plate (10) and shell body (1) is provided with consolidates corner fittings (13), and consolidates the inboard of corner fittings (13) and be provided with adjusting bolt (14), and the outside of adjusting bolt (14) is provided with rubber circle (15).

2. The nuclear grade main pump seal water return filter dedicated for nuclear power of claim 1, wherein: the rubber buffer blocks (3) are uniformly arranged on four corners on the right side of the inside of the filter box (4), the rubber buffer blocks (3) are connected with the filter box (4) in an adhering mode, and the filter box (4) forms a clamping type sliding structure in the outer shell (1).

3. The nuclear grade main pump seal water return filter dedicated for nuclear power of claim 1, wherein: the left side and the right side of the filter box (4) are respectively provided with a second flow hole groove (9) and a first flow hole groove (8), and the second flow hole groove (9) and the first flow hole groove (8) are uniformly formed in the outer side of the filter box (4).

4. The nuclear grade main pump seal water return filter dedicated for nuclear power of claim 1, wherein: the movable transverse plate (5) is fixedly connected with the filter screen plate (6), and the filter screen plate (6) forms a clamping sliding structure in the filter box (4).

5. The nuclear grade main pump seal water return filter dedicated for nuclear power of claim 1, wherein: the movable cross plate (5) is provided with a limiting bolt (701) at the joint of the movable cross plate and the filter box (4), a deflector rod (702) is arranged at the upper end of the limiting bolt (701), and a reset spring (703) positioned at the inner side of the filter box (4) is arranged at the outer side of the limiting bolt (701).

6. The nuclear power-dedicated nuclear grade main pump seal water return filter of claim 5, wherein: the limiting bolt (701) is fixedly connected with the deflector rod (702), the limiting bolt (701) is connected with the movable transverse plate (5) in a clamping mode, and the limiting bolt (701) forms an elastic telescopic structure in the filter box (4) through the reset spring (703).

7. The nuclear grade main pump seal water return filter dedicated for nuclear power of claim 1, wherein: the sealing plate (10) is connected with the rubber sealing piece (11) in an adhering mode, the sealing plate (10) is connected with the outer shell (1) through the rubber sealing piece (11) in a clamping mode, and the right surface of the rubber sealing piece (11) is in an adhering arrangement with the left surface of the filter box (4).

8. The nuclear grade main pump seal water return filter dedicated for nuclear power of claim 1, wherein: the sealing plate (10) and the outer shell (1) are connected in a threaded mode between the adjusting bolt (14) and the reserved hole groove (12), and the adjusting bolt (14) is connected with the rubber ring (15) in a sleeved mode.