CN216079277U

CN216079277U - Filtering device for steam trap

Info

Publication number: CN216079277U
Application number: CN202122548507.9U
Authority: CN
Inventors: 林正鋐
Original assignee: Shanghai Guxi Energy Saving Technology Co ltd
Current assignee: Shanghai Guxi Energy Saving Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-18
Anticipated expiration: 2031-10-22

Abstract

The utility model belongs to the technical field of valve equipment, and particularly relates to a filtering device for a steam trap, which comprises a valve body, an upper cover plate and a valve body sealing cover, wherein the upper cover plate is fixedly connected to the top of the valve body, the left end of the valve body is fixedly connected with a first connecting pipeline, the left end of the first connecting pipeline is fixedly connected with a filtering box, the top of the filtering box is fixedly connected with the filtering box sealing cover through a bolt, a convex block is arranged inside the filtering box, a filtering core is arranged at the top of the convex block, the left side and the right side of the filtering core are respectively provided with a limiting connecting block, the filtering box sealing cover is fixedly connected with the limiting connecting blocks through bolts, the filtering box is arranged at the inlet of the valve body, and steam or condensed water is filtered before entering the valve body, so that the internal blockage of the steam trap is effectively prevented, and the problem that the connecting position of the pipeline and the inlet of the steam trap of the existing device is easily blocked due to the filtering of a filtering screen inside the steam trap is solved, the problem that the cleaning is carried out by frequently disassembling the device.

Description

Filtering device for steam trap

Technical Field

The utility model belongs to the technical field of valve equipment, and particularly relates to a filtering device for a steam trap.

Background

The steam trap (for short, trap) has the functions of automatically discharging non-condensable gas such as steam condensate and air in heating equipment or steam pipeline and preventing leakage of steam.

The steam trap has certain self-cleaning function when the steam extraction, but when the in-service use, the steam trap needs the connecting tube, and when pipeline and steam trap were being connected the combination, because the hookup location of pipeline and steam trap import was because the filtration of the inside filter screen of steam trap, easy jam, need often unpack apart and clear up, had brought inconvenience for the use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a filtering device for a steam trap, which is characterized in that a filtering box is arranged at the inlet of a valve body, steam or condensed water is filtered before entering the valve body, the internal blockage of the steam trap is effectively prevented, and the problem that the connecting position of a pipeline and the inlet of the steam trap of the conventional device needs to be frequently disassembled for cleaning due to the easy blockage of a filtering screen in the steam trap is solved.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a filtering device for a steam trap comprises a valve body, an upper cover plate and a valve body sealing cover, wherein the upper cover plate is fixedly connected to the top of the valve body, the left end of the valve body is fixedly connected with a first connecting pipeline, the left end of the first connecting pipeline is fixedly connected with a filtering box, the top of the filtering box is fixedly connected with a filtering box sealing cover through a bolt, a convex block is arranged inside the filtering box, a filter element is mounted at the top of the convex block, the left side and the right side of the filter element are respectively provided with a limit connecting block, the filtering box sealing cover is fixedly connected with the limit connecting blocks through bolts, the bottom of the first connecting pipeline is fixedly connected with an impurity collecting pipe, the impurity collecting pipe is arranged at the left side of the filtering box, the bottom of the impurity collecting pipe is in threaded connection with a bottom sealing cover, the valve body sealing cover is fixedly connected with the upper cover plate through bolts, and the right end of the valve body is fixedly connected with a sealing shell, the water draining valve is fixedly connected to the bottom of the sealing shell, a first filter screen is fixedly connected to the inside of the valve body, a water guiding pipe is arranged inside the first filter screen, a flexible metal sheet is fixedly connected to the first filter screen, and a valve core is fixedly connected to the flexible metal sheet.

Preferably, the right end of the valve body is fixedly connected with a second connecting pipeline, and the outer ends of the filter box and the second connecting pipeline are fixedly connected with a first flange and a second flange respectively.

Through adopting above-mentioned scheme, steam trap is through first flange, second flange joint steam conduit when the installation, and filter cartridge fixed connection is in steam trap's import front side.

Preferably, a floating ball is arranged inside the valve body, a second filter screen is fixedly connected inside the valve body and arranged above the floating ball, a floating ball supporting plate is arranged below the floating ball, and the floating ball supporting plate is fixedly connected to the inner wall of the valve body.

Through adopting above-mentioned scheme, the floater through setting up changes along with the inside liquid level of valve body, uses through the cooperation of second filter screen and floater, closes the second filter screen when the inside comdenstion water of valve body is more, prevents that the comdenstion water from flowing away along with steam, and the floater layer board is used for supporting the floater when the inside liquid level of valve body is lower.

Preferably, the impurity collecting pipe is provided with an observation window, a collecting hole is arranged in the impurity collecting pipe, and the collecting hole is of a structure with a narrow middle part and two wide ends.

Through adopting the above scheme, it is further, the upper end of collecting hole sets up to bowl form structure, the bottom at protruding piece is connected to its one side, the centre of collecting hole sets up to the narrower cylindrical of width, the bottom of collecting hole sets up to the back taper structure, when the unable impurity that is adsorbed by the filter core of part great granule from the left surface landing of protruding piece, can be very easy inside the impurity collecting pipe that falls through the collecting hole, hardly run out from collecting hole department simultaneously, the convenience can't be collected by the adsorbed impurity of filter core to great granule, be convenient for observe the inside condition of impurity collecting pipe through the observation window, clear up the impurity collecting pipe through opening the sealed lid in bottom when inside impurity is more, prevent to use first connecting pipe for a long time and block up and cause the unable use of trap.

Preferably, the top of the convex block is horizontally arranged, and the top of the convex block is provided with a groove matched with the size of the filter element.

Through adopting the above scheme, when the installation filter core, through placing the filter core bottom inside the recess, both sides carry on spacingly through spacing connecting block simultaneously, be convenient for fix the filter core in the inside position of filter cartridge, when needs renew cartridge, through unscrewing connecting bolt and pull down the sealed lid of filter cartridge, take off the filter core of renewal with old filter core, later with the sealed lid of filter cartridge fixed again can, need not remove whole steam trap from the pipeline and clear up, it is more convenient to use.

Preferably, the bottom of the valve body is hollow and hemispherical, the other end of the water guide pipe is communicated with a second connecting pipeline, and the bottom of the second connecting pipeline is communicated with a drain valve.

(III) advantageous effects

Compared with the prior art, the utility model provides a filtering device for a steam trap, which has the following beneficial effects:

when the installation filter core, through placing the filter core bottom inside the recess, both sides are spacing through spacing connecting block simultaneously, be convenient for fix the filter core in the inside position of filter cartridge, when needs renew cartridge, through unscrewing connecting bolt and pull down the sealed lid of filter cartridge, take off the filter core of renewal with old filter core, later with the sealed lid of filter cartridge fix again can, need not demolish whole steam type trap from the pipeline and clear up, it is more convenient to use, set up the filter cartridge through the import department at the valve body, filter before steam or comdenstion water get into the valve body, effectively prevent the inside jam of steam type trap, the hookup location of having solved current device pipeline and steam trap import is because the easy jam of the filtration of the inside filter screen of steam trap, need often unpack apart the problem of clearing up.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view of the filter cartridge of the present invention in replacement;

in the figure:

1. a valve body; 2. an upper cover plate; 3. a valve body sealing cover; 4. a first flange; 5. sealing the housing; 6. a second flange; 7. a first connecting pipe; 8. a second connecting pipe; 9. a drain valve; 10. a filter cartridge; 11. a filter box sealing cover; 12. a floating ball; 13. a floating ball supporting plate; 14. a water conduit; 15. a first filter screen; 16. a flexible metal sheet; 17. a raised block; 18. a filter element; 19. a limiting connecting block; 20. an impurity collecting pipe; 21. an observation window; 22. a bottom sealing cover; 23. and (4) collecting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

A filtering device for a steam trap comprises a valve body 1, an upper cover plate 2 and a valve body sealing cover 3, wherein the upper cover plate 2 is fixedly connected to the top of the valve body 1, the left end of the valve body 1 is fixedly connected with a first connecting pipeline 7, the left end of the first connecting pipeline 7 is fixedly connected with a filtering box 10, the top of the filtering box 10 is fixedly connected with a filtering box sealing cover 11 through a bolt, a convex block 17 is arranged inside the filtering box 10, a filtering core 18 is arranged at the top of the convex block 17, limiting connecting blocks 19 are arranged on the left side and the right side of the filtering core 18, the filtering box sealing cover 11 is fixedly connected with the limiting connecting blocks 19 through bolts, the valve body sealing cover 3 is fixedly connected with the upper cover plate 2 through a bolt, a sealing shell 5 is fixedly connected to the right end of the valve body 1, a drain valve 9 is fixedly connected to the bottom of the sealing shell 5, and a first filter screen 15 is fixedly connected inside the valve body 1, the water guide pipe 14 is arranged inside the first filter screen 15, the flexible metal sheet 16 is fixedly connected to the first filter screen 15, and the valve core is fixedly connected to the center of the top of the flexible metal sheet 16.

The right end of the valve body 1 is fixedly connected with a second connecting pipeline 8, and the outer ends of the filter box 10 and the second connecting pipeline 8 are fixedly connected with a first flange 4 and a second flange 6 respectively.

The inside floater 12 that is provided with of valve body 1, the inside fixedly connected with second filter screen of valve body 1, just the second filter screen sets up in floater 12 top.

And a floating ball supporting plate 13 is arranged below the floating ball 12, and the floating ball supporting plate 13 is fixedly connected to the inner wall of the valve body 1.

The top of the convex block 17 is horizontally arranged, and the top of the convex block 17 is provided with a groove matched with the size of the filter element 18.

The bottom of the valve body 1 is hollow and hemispherical, the other end of the water guide pipe 14 is communicated with the second connecting pipeline 8, and the bottom of the second connecting pipeline 8 is communicated with the drain valve 9.

Referring to fig. 1-4, upon installation of the cartridge, by placing the bottom of cartridge 18 within the recess, meanwhile, the two sides are limited by the limiting connecting blocks 19, so that the position of the filter element 18 in the filter box 10 can be conveniently fixed, when the filter element 18 needs to be replaced, the connecting bolt is screwed down to detach the filter box sealing cover 11, the old filter element is taken down to replace the new filter element, then the filter box sealing cover 11 is fixed again, the integral steam trap does not need to be detached from the pipeline for cleaning, the use is more convenient, the filter box 10 is arranged at the inlet of the valve body, filtering before steam or comdenstion water get into valve body 1, effectively preventing the inside jam of steam formula trap, solved the hookup location of current device pipeline and steam trap import because the filtration of the inside filter screen of steam trap is blockked up easily, need often unpack apart the problem of clearing up.

Example two

A filtering device for a steam trap comprises a valve body 1, an upper cover plate 2 and a valve body sealing cover 3, wherein the upper cover plate 2 is fixedly connected to the top of the valve body 1, the left end of the valve body 1 is fixedly connected with a first connecting pipeline 7, the left end of the first connecting pipeline 7 is fixedly connected with a filtering box 10, the top of the filtering box 10 is fixedly connected with a filtering box sealing cover 11 through a bolt, a convex block 17 is arranged inside the filtering box 10, a filtering core 18 is arranged at the top of the convex block 17, limiting connecting blocks 19 are arranged on the left side and the right side of the filtering core 18, an impurity collecting pipe 20 is fixedly connected to the bottom of the first connecting pipeline 7, the impurity collecting pipe 20 is arranged on the left side of the filtering box 10, a bottom sealing cover 22 is connected to the bottom of the impurity collecting pipe 20 through threads, the filtering box sealing cover 11 is fixedly connected with the limiting connecting blocks 19 through bolts, the valve body sealing cover 3 is fixedly connected with the upper cover plate 2 through bolts, 1 right-hand member fixedly connected with seal housing 5 of valve body, 5 bottom fixedly connected with drain valve 9 of seal housing, 1 inside fixedly connected with first filter screen 15 of valve body, the inside aqueduct 14 that is provided with of first filter screen 15, fixedly connected with flexible sheetmetal 16 on the first filter screen 15, fixedly connected with case on the flexible sheetmetal 16.

In the present embodiment, the transportation path of the steam or the condensed water is explained in detail.

Referring to fig. 1-4, steam or condensed water enters the filter box 10 from one side of the first flange 4, the convex block 17 is arranged inside the filter box 10, most of impurities which cannot be adsorbed by the filter element 18 are accumulated at the left end of the first connecting pipeline 7 due to the convex block 17 arranged upwards, the bottom sealing cover 22 can be opened to clean the impurity collecting pipe 20 after long-time use, an upwards conveying channel is formed inside the filter box 10, the filter element 18 is arranged in the middle of the conveying channel, the thickness of the filter element 18 is thicker, the filter element 18 has better filtering effect, most of impurities in the steam or condensed water can be filtered, then the steam or condensed water enters the valve body 1 from the first connecting pipeline 7 to be transported, the upper end of the collecting hole 23 is arranged in a bowl-shaped structure, one side of the collecting hole is connected to the bottom of the convex block 17, the middle of the collecting hole 23 is arranged in a cylindrical shape with a narrower width, the bottom of collecting hole 23 sets up to the back taper structure, when partly great granule can't be by the adsorbed impurity of filter core 18 from the left surface landing of protruding piece 17, can be very easy fall impurity collecting pipe 20 inside through collecting hole 23, hardly run out from collecting hole department simultaneously, the convenience can't be collected by the adsorbed impurity of filter core 18 to great granule, be convenient for observe the inside condition of impurity collecting pipe 20 through observation window 21, clear up impurity collecting pipe 20 through opening the sealed lid 22 in bottom when internal impurity is more, prevent to use for a long time that first connecting pipeline 7 blocks up and causes the trap to be unable to use.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steam formula is filter equipment for trap, includes valve body (1), upper cover plate (2), the sealed lid of valve body (3), its characterized in that: the upper cover plate (2) is fixedly connected to the top of the valve body (1), the left end of the valve body (1) is fixedly connected with a first connecting pipeline (7), the left end of the first connecting pipeline (7) is fixedly connected with a filter box (10), the top of the filter box (10) is fixedly connected with a filter box sealing cover (11) through a bolt, a convex block (17) is arranged inside the filter box (10), a filter element (18) is installed at the top of the convex block (17), limiting connecting blocks (19) are arranged on the left side and the right side of the filter element (18), the filter box sealing cover (11) is fixedly connected with the limiting connecting blocks (19) through bolts, an impurity collecting pipe (20) is fixedly connected to the bottom of the first connecting pipeline (7), the impurity collecting pipe (20) is arranged on the left side of the filter box (10), and a bottom sealing cover (22) is in threaded connection with the bottom of the impurity collecting pipe (20), the improved water-saving valve is characterized in that the upper cover plate (2) is connected with the sealing cover (3) of the valve body through a bolt fixedly, the sealing shell (5) is fixedly connected with the right end of the valve body (1), a drain valve (9) is fixedly connected with the bottom of the sealing shell (5), a first filter screen (15) is fixedly connected with the inside of the valve body (1), a water guide pipe (14) is arranged inside the first filter screen (15), a flexible metal sheet (16) is fixedly connected with the first filter screen (15), and a valve core is fixedly connected with the top center of the flexible metal sheet (16).

2. The filter device for a steam trap as set forth in claim 1, wherein: the valve body (1) right-hand member fixedly connected with second connecting tube (8), filter cartridge (10), second connecting tube (8) lean on outer one end fixedly connected with first flange (4), second flange (6) respectively.

3. The filter device for a steam trap as set forth in claim 1, wherein: the floating ball type water-saving valve is characterized in that a floating ball (12) is arranged inside the valve body (1), a second filter screen is fixedly connected inside the valve body (1) and arranged above the floating ball (12), a floating ball supporting plate (13) is arranged below the floating ball (12), and the floating ball supporting plate (13) is fixedly connected to the inner wall of the valve body (1).

4. The filter device for a steam trap as set forth in claim 3, wherein: the device is characterized in that an observation window (21) is arranged on the impurity collecting pipe (20), a collecting hole (23) is formed in the impurity collecting pipe (20), and the collecting hole (23) is of a structure with a narrow middle part and two wide ends.

5. The filter device for a steam trap as set forth in claim 1, wherein: the top of the convex block (17) is horizontally arranged, and the top of the convex block (17) is provided with a groove matched with the size of the filter element (18).

6. The filter device for a steam trap as set forth in claim 1, wherein: the bottom of the valve body (1) is hollow and hemispherical, the other end of the water guide pipe (14) is communicated with a second connecting pipeline (8), and the bottom of the second connecting pipeline (8) is communicated with a drain valve (9).