CN218644547U

CN218644547U - Nuclear power dedicated nuclear island main pump seal cartridge

Info

Publication number: CN218644547U
Application number: CN202223209011.XU
Authority: CN
Inventors: 齐有为
Original assignee: Qinghe Tongxing Energy Equipment Co ltd
Current assignee: Qinghe Tongxing Energy Equipment Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-17
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to a filter core technical field just discloses a dedicated nuclear island main pump seal filter core of nuclear power, including shell subassembly, the inside of shell subassembly is provided with the inner shell, the upper end of inner shell is provided with the feed liquor takeover, the lower extreme of inner shell is provided with out the liquid takeover, the inner shell upper end is located that the outside one side of feed liquor takeover is provided with and is used for washing the flowing back subassembly that washes of waste liquid exhaust, the inner shell lower extreme is located out the outside one side of liquid takeover and is provided with the feed liquor subassembly that washes that is used for the flush fluid to get into, the internally mounted of inner shell has seal filter core. The outer shell of the sealing filter element is additionally provided with a back washing structure, so that the sealing filter element is more convenient to clean.

Description

Nuclear power dedicated nuclear island main pump seal cartridge

Technical Field

The utility model relates to a filter core technical field specifically is a dedicated nuclear island main pump seal filter core of nuclear power.

Background

The nuclear main pump is a pump for driving coolant to circulate in an RCP (reactor coolant system) system in a nuclear island primary circuit system. The main pump is positioned at the heart of the nuclear island and used for pumping hot water into the evaporator to convert heat energy, and is the key point for controlling water circulation in nuclear power operation.

The filtration of nuclear main pump relies on the filter core, and the filter core is the terminology of filtration purification performance, and in order to purify the simple and convenient device of the resource of former fluid and separation of resource, the filter core mainly used filters trades such as oil filtration, air filtration, water filtration now.

The nuclear main pump sealing filter element is brought into self inside storage by the filter object when filtering, can cause the jam when bringing in debris more, under the normal conditions, just change new filter core in order to satisfy filterable demand behind the filter core jam, nevertheless, frequent renew filter core has improved the filtration cost, provides a dedicated nuclear island main pump sealing filter element of nuclear power for this reason.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a dedicated nuclear island main pump seal cartridge of nuclear power to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dedicated nuclear island main pump seal cartridge of nuclear power, includes shell subassembly, the inside of shell subassembly is provided with the inner shell, the upper end of inner shell is provided with the feed liquor and takes over, the lower extreme of inner shell is provided with out the liquid takeover, the inner shell upper end is located one side that the feed liquor was taken over outside and is provided with and is used for washing the discharged fluid subassembly of washing of waste liquid discharge, the inner shell lower extreme is located one side that the liquid takeover outside was provided with and is used for washing the feed liquor subassembly that washes that the flush fluid got into, the internally mounted of inner shell has seal cartridge.

Preferably, the flushing liquid inlet assembly comprises a second water guide ring arranged outside the liquid outlet connecting pipe, a plurality of second water guide pipes uniformly distributed along an annular shape are arranged at the upper end inside the second water guide ring, and the second water guide pipes penetrate through and extend to the inside of the liquid outlet connecting pipe.

Preferably, a water inlet pipe is installed at one side of the lower end of the second water guide ring, the water inlet pipe penetrates through and extends to the outside of the shell assembly, and a second ball valve is installed at one end of the outside of the water inlet pipe.

Preferably, wash flowing back subassembly is including installing in the outside first aqueduct ring of feed liquor takeover, a plurality of first aqueducts along annular evenly distributed are installed to the inside lower extreme of first aqueduct ring, and first aqueduct runs through and extends to the inside of feed liquor takeover.

Preferably, a drain pipe is installed at one side of the upper end of the first water guide ring, the drain pipe penetrates through and extends to the outside of the shell assembly, and a first ball valve is installed at one end of the outside of the drain pipe.

Preferably, the housing assembly comprises a housing body, a top cover is fixedly mounted at the upper end of the housing body, and a bottom cover is fixedly mounted at the lower end of the housing body.

(III) advantageous effects

Compared with the prior art, the utility model provides a dedicated nuclear island main pump seal cartridge of nuclear power possesses following beneficial effect:

1. the valve blocking connection at the liquid outlet connecting pipe and the liquid inlet connecting pipe is closed, then a water source is connected into the water inlet pipe, the second ball valve and the first ball valve are opened, the water source is pressurized, water flow is guided into the second water guide pipe through the second water guide ring, the second water guide pipe performs back flushing on the inside of the inner shell from bottom to top, and the water flow penetrates through the sealing filter element and then enters the first water guide ring from the first water guide pipe at the top and then is discharged from the water discharge pipe, so that the cleaning of the sealing filter element is more convenient, the problem that the cleaning of the filter element after the existing sealing filter element is blocked in the background technology is solved, the frequent replacement is not needed, and the cost is reduced;

2. during filtering, liquid enters the inner shell from the liquid inlet connecting pipe, passes through the sealed filter element to be filtered, and then is discharged out of the inner shell from the liquid outlet connecting pipe, so that filtering is performed.

Drawings

FIG. 1 is a perspective view of the whole structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the outer casing of the present invention;

fig. 3 is a cross-sectional view of the inner and outer shell structures of the present invention.

In the figure: 1. a housing assembly; 2. liquid inlet connecting pipe; 3. a liquid outlet connecting pipe; 4. an inner shell; 5. flushing and draining the liquid assembly; 6. a flushing liquid inlet component; 7. sealing the filter element;

101. an outer housing; 102. a top cover; 103. a bottom cover;

501. a first water guide ring; 502. a first water conduit; 503. a drain pipe; 504. a first ball valve;

601. a second water guide ring; 602. a second water conduit; 603. a water inlet pipe; 604. a second ball valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme, a dedicated nuclear island main pump seal cartridge of nuclear power, please refer to fig. 1, fig. 2 and fig. 3, including shell subassembly 1, the inside of shell subassembly 1 is provided with inner shell 4, the upper end of inner shell 4 is provided with feed liquor takeover 2, the lower extreme of inner shell 4 is provided with out liquid takeover 3, the 4 upper ends of inner shell are located that feed liquor takeover 2 outside one side is provided with and is used for washing waste liquid exhaust washes flowing back subassembly 5, the 4 lower extremes of inner shell are located that one side that 3 outside were taken over to play liquid is provided with the washing feed liquor subassembly 6 that is used for the flush fluid to get into, the internally mounted of inner shell 4 has seal cartridge 7, the pressurized water source is discharged from washing flowing back subassembly 5 after getting into seal cartridge 7 recoil through washing feed liquor subassembly 6, it is more convenient to this clearance that makes seal cartridge 7.

Further, wash feed liquor subassembly 6 including installing in the outside second water guide ring 601 that goes out liquid takeover 3, a plurality of along annular evenly distributed's second aqueduct 602 are installed to the inside upper end of second water guide ring 601, and second aqueduct 602 runs through and extends to the inside that goes out liquid takeover 3, and the second aqueduct 602 that the annular distributes makes the entering of rivers more even, and the scope of washing is wider.

Further, a water inlet pipe 603 is installed at one side of the lower end of the second water guide ring 601, the water inlet pipe 603 penetrates and extends to the outside of the housing assembly 1, a second ball valve 604 is installed at one end of the outside of the water inlet pipe 603, and the second ball valve 604 is used for preventing the filtered liquid from flowing out from the water inlet pipe 603.

Further, wash flowing back subassembly 5 including installing in the outside first water guide ring 501 of liquid inlet takeover 2, a plurality of first aqueducts 502 along annular evenly distributed are installed to the inside lower extreme of first water guide ring 501, and first aqueduct 502 runs through and extends to the inside of liquid inlet takeover 2, and the first aqueduct 502 of annular distribution makes the entering of rivers more even, and the scope of washing is wider.

Further, a drain pipe 503 is installed at one side of the upper end of the first water guide ring 501, the drain pipe 503 penetrates and extends to the outside of the housing assembly 1, a first ball valve 504 is installed at one end of the outside of the drain pipe 503, and the first ball valve 504 prevents the liquid to be filtered from flowing out of the drain pipe 503.

Further, referring to fig. 1, 2 and 3, the housing assembly 1 includes a housing body 101, a top cover 102 is fixedly mounted on an upper end of the housing body 101, and a bottom cover 103 is fixedly mounted on a lower end of the housing body 101.

The working principle of the device is as follows: the liquid inlet connecting pipe 2 and the liquid outlet connecting pipe 3 are installed in a nuclear island main pump, when the liquid is filtered, liquid enters the inner shell 4 from the liquid inlet connecting pipe 2 and passes through the sealed filter element 7 to be filtered, and then is discharged out of the inner shell 4 from the liquid outlet connecting pipe 3, so that the filtering is carried out, when the sealed filter element 7 is blocked or needs to be cleaned regularly, the valve blocking connection between the liquid outlet connecting pipe 3 and the liquid inlet connecting pipe 2 is closed, then the water source inlet water inlet pipe 603 is used for opening the second ball valve 604 and the first ball valve 504 and pressurizing the water source, water flow is guided into the second water guide pipe 602 through the second water guide ring 601, the second water guide pipe 602 carries out back flushing on the inside of the inner shell 4 from bottom to top, and the water flow enters the first water guide ring 501 from the first water guide pipe 502 at the top after passing through the sealed filter element 7 and then is discharged from the water discharge pipe 503, so that the cleaning of the sealed filter element 7 is more convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a dedicated nuclear island main pump seal filter core of nuclear power which characterized in that: including shell subassembly (1), the inside of shell subassembly (1) is provided with inner shell (4), the upper end of inner shell (4) is provided with feed liquor takeover (2), the lower extreme of inner shell (4) is provided with out liquid takeover (3), the one side that inner shell (4) upper end is located feed liquor takeover (2) outside is provided with and is used for washing waste liquid exhaust washes flowing back subassembly (5), one side that inner shell (4) lower extreme is located out liquid takeover (3) outside is provided with and is used for washing liquid feed liquor subassembly (6) that wash that the flush fluid got into, the internally mounted of inner shell (4) has sealed filter core (7).

2. The nuclear island main pump sealing filter element special for nuclear power as claimed in claim 1, characterized in that: wash feed liquor subassembly (6) including installing in going out liquid takeover (3) outside second water guide ring (601), a plurality of second aqueducts (602) along annular evenly distributed are installed to the inside upper end of second water guide ring (601), and second aqueduct (602) run through and extend to the inside of going out liquid takeover (3).

3. The nuclear power dedicated nuclear island main pump sealing filter element according to claim 2, characterized in that: a water inlet pipe (603) is installed on one side of the lower end of the second water guide ring (601), the water inlet pipe (603) penetrates through and extends to the outside of the shell assembly (1), and a second ball valve (604) is installed at one end of the outside of the water inlet pipe (603).

4. The nuclear power dedicated nuclear island main pump sealing filter element according to claim 3, characterized in that: wash flowing back subassembly (5) including installing in the outside first water guide ring (501) of feed liquor takeover (2), a plurality of first aqueducts (502) along annular evenly distributed are installed to the inside lower extreme of first water guide ring (501), and first aqueduct (502) run through and extend to the inside of feed liquor takeover (2).

5. The nuclear power dedicated nuclear island main pump sealing filter element according to claim 4, characterized in that: a drain pipe (503) is installed on one side of the upper end of the first water guide ring (501), the drain pipe (503) penetrates through and extends to the outside of the shell assembly (1), and a first ball valve (504) is installed at one end of the outside of the drain pipe (503).

6. The nuclear power dedicated nuclear island main pump sealing filter element according to claim 5, characterized in that: the shell assembly (1) comprises a shell body (101), a top cover (102) is fixedly mounted at the upper end of the shell body (101), and a bottom cover (103) is fixedly mounted at the lower end of the shell body (101).