CN115337705A - Filtering device of constant-temperature drain valve - Google Patents
Filtering device of constant-temperature drain valve Download PDFInfo
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- CN115337705A CN115337705A CN202211259273.9A CN202211259273A CN115337705A CN 115337705 A CN115337705 A CN 115337705A CN 202211259273 A CN202211259273 A CN 202211259273A CN 115337705 A CN115337705 A CN 115337705A
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- trap
- filter
- water outlet
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- 238000001914 filtration Methods 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 129
- 238000009833 condensation Methods 0.000 claims description 42
- 230000005494 condensation Effects 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 40
- 239000012535 impurity Substances 0.000 claims description 31
- 238000004140 cleaning Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 23
- 229920000742 Cotton Polymers 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 108091006146 Channels Proteins 0.000 description 96
- 239000002245 particle Substances 0.000 description 9
- 238000005457 optimization Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a filtering device of a constant-temperature drain valve. The invention belongs to the technical field of filter devices; the constant-temperature drain valve comprises a drain valve shell and a drain valve cover body, wherein a primary filtering device is arranged in an air inlet channel of the constant-temperature drain valve, and a secondary filtering device is arranged in a drain channel of the constant-temperature drain valve; the invention well solves the problems that the positions of the drainage channel and the air inlet channel are easy to block and the maintenance amount is large.
Description
Technical Field
The invention belongs to the technical field of filtering devices, and particularly relates to a filtering device of a constant-temperature drain valve.
Background
The steam trap is also called constant temperature trap because the trap has the function of stopping steam and draining water, and can make the steam heating equipment uniformly heat and keep a constant temperature state.
The air inlet channel and the water outlet channel in the existing bell-type drain valve are easily blocked by water vapor and impurities in water, and the maintenance amount is large.
Therefore, the filter device of the constant-temperature drain valve is provided, the primary filter device is arranged in the air inlet channel inside the filter device, and the secondary filter device is arranged in the drainage channel to solve the problems that the positions of the drainage channel and the air inlet channel are easy to block and the maintenance amount is large.
Disclosure of Invention
The invention aims to solve the problems and provide a special filtering device for the constant-temperature steam trap, which has a simple structure and a reasonable design.
The invention realizes the purpose through the following technical scheme:
a filtering device of a constant-temperature drain valve comprises a drain valve shell and a drain valve cover body, wherein a primary filtering device is arranged in an air inlet channel of the constant-temperature drain valve, a secondary filtering device is arranged in a drainage channel of the constant-temperature drain valve, the primary filtering device comprises a rotating ring which is rotatably arranged in the air inlet channel, the rotating ring is of a cylindrical structure, blades are fixedly arranged on the inner wall of the rotating ring, a plurality of groups of blades are arranged on the blades, the blades are distributed at equal angles along the inner wall of the rotating ring, an elastic filtering component is arranged below the rotating ring, the elastic filtering component comprises a metal filter screen and a spring which is fixedly arranged on the bottom surface of the metal filter screen, a stress ball is fixedly arranged on the upper surface of the metal filter screen, the stress ball is provided with a plurality of groups, the stress balls are distributed at equal angles along the outer edge position of the upper surface of the metal filter screen, a force application ball is fixedly arranged on the lower surface of the rotating ring, the force application ball corresponds to the stress ball, the bottom of the spring is fixedly connected with the structure of the inner wall of the air inlet channel, when water vapor enters the air inlet channel, the blade is used for driving the rotating ring to rotate, and the metal filter screen to shake impurities falling down;
the second grade filter equipment is including filtering the ball, it is spherical shell structure to filter the ball, is provided with the filtration pore of the inside and outside intercommunication of multiunit on the filter ball, and spherical shell structure's inner wall upper berth is equipped with the filtration cotton layer, filter the ball and rotate and set up in drainage channel's the position of intaking, and the impurity is filtered to filtration pore and filtration cotton layer on the filter ball when water gets into drainage channel, and the filter ball that promotes when water gets into drainage channel through filtration pore and filtration cotton layer on the filter ball rotates, filters the ball and rotates and will filter the impurity on the ball and strike off through drainage channel's inner wall structure.
As a further optimization scheme of the invention, one side of the drain valve shell and one side of the drain valve cover body, which are close to each other, are respectively and integrally provided with a lower connecting disc and an upper connecting disc, the lower connecting disc and the upper connecting disc are butted and fixed through screws, the lower connecting disc and the upper connecting disc are kept sealed, and a condensation cavity is formed inside the drain valve shell and the drain valve cover body.
As a further optimization scheme of the invention, one side of the condensation chamber is provided with an external air inlet channel which is of an L-shaped channel structure, one section of the L-shaped channel structure is arranged in an internal layer structure of the drain valve cover body, the other section of the L-shaped channel structure is arranged in an internal layer structure of the drain valve shell, the inner wall above the condensation chamber is provided with an internal air inlet channel communicated with the upper end of the L-shaped channel structure, and the side surface of the drain valve shell is provided with an air inlet communicated with the lower end of the L-shaped channel structure.
As a further optimized scheme of the invention, the middle section of the external air inlet channel is provided with a rotating groove for the rotating ring to be rotatably installed, and the lower end of the spring is fixedly welded on the bottom surface of the rotating groove.
As a further optimization scheme of the invention, one side of the drain valve cover body is provided with a first cleaning port communicated with the interior of the external air inlet channel, and the first cleaning port is connected with a first sealing plug in a threaded fit manner.
As a further optimization scheme of the invention, a cylindrical sleeve is arranged in the internal air inlet channel, the outer ring of the cylindrical sleeve is connected in the internal air inlet channel in a threaded fit manner, an intermediate air channel is arranged at the central position of the cylindrical sleeve, and the intermediate air channel is communicated between the internal air inlet channel and the condensation chamber.
As a further optimization scheme of the invention, a bell-shaped cover body is arranged in the condensation chamber, an exhaust hole communicated with the inside and the outside of the cover body is formed in one side of the upper surface of the cover body, a bimetal spring piece is arranged on the inner wall of the top of the cover body, the bimetal spring piece is of a V-shaped structure, one end of the V-shaped structure is fixedly welded on the inner wall of the top of the cover body, a rubber sealing gasket is fixedly bonded to the other end of the V-shaped structure, and the rubber sealing gasket is movably attached to and seals the lower end of the exhaust hole.
As a further optimization scheme of the invention, a fixed plate is fixedly welded in the middle of the upper surface of the cover body, an arc-shaped hanging plate is integrally arranged at the upper end of the fixed plate, an upper positioning plate is fixedly connected to the inner wall of the top of the condensation cavity through screws, the lower end of the upper positioning plate is rotatably connected with a movable plate through a rotating rod, a hanging hole is formed in one end, away from the rotating rod, of the movable plate, the arc-shaped hanging plate is hung in the hanging hole, and a hemispherical bulge used for plugging the lower end of the middle gas channel is fixedly arranged on the upper surface of the movable plate.
As a further optimization scheme of the invention, an external water outlet channel is arranged in an internal layer structure of the drain valve shell positioned at the diagonal position of the external air inlet channel, a water outlet communicated with the upper end of the external water outlet channel is arranged on the side surface of the drain valve shell, a second cleaning port communicated with the lower end of the external water outlet channel is arranged on the other side of the drain valve shell, a second sealing plug is connected in the second cleaning port in a threaded fit manner, a cylindrical filter screen is clamped on the second sealing plug and attached to the inner wall of the external water outlet channel, an internal water outlet pipe is integrally arranged in the middle of the bottom surface of the condensation chamber, an internal water outlet channel is arranged in the internal water outlet pipe, the upper end of the internal water outlet channel is communicated with the inside of the condensation chamber, the lower end of the internal water outlet channel is communicated with the inside of the external water outlet channel, the cylindrical filter screen corresponds to the position where the internal water outlet channel is communicated with the external water outlet channel, the air inlet and the water outlet are equal in height, the second cleaning port is distributed below the air inlet and is close to the lower end of the drain valve shell, and an embedding groove for embedding a filter ball to be movably embedded in the upper end of the internal water outlet pipe.
As a further optimization scheme of the invention, a third cleaning port communicated with the interior of the lower end of the condensation chamber is arranged on the side surface of the drain valve shell, and a third sealing plug is connected in the third cleaning port in a threaded fit mode.
The invention has the beneficial effects that:
1. the invention well solves the problems that the positions of the drainage channel and the air inlet channel are easy to block and the maintenance amount is large.
2. The constant-temperature drain valve comprises a drain valve shell and a drain valve cover body, wherein a primary filtering device is arranged in an air inlet channel of the constant-temperature drain valve, a secondary filtering device is arranged in a drain channel of the constant-temperature drain valve, the primary filtering device can be used for filtering large-particle impurities contained in water vapor, the secondary filtering device can be used for removing small-particle impurities contained in water, and the primary filtering device is combined with the secondary filtering device, so that the water quality discharged from the drain channel is clean, the water vapor can be directly utilized after being simply treated, and the flow force of the water vapor is reasonably utilized to realize better filtering effects on the water vapor and water.
3. When water vapor enters the air inlet channel, large particle impurities contained in the water vapor are filtered by the metal filter screen on the lower surface of the metal filter screen, the water vapor pushes the blades to drive the rotating ring to rotate, the force application ball is used for poking the force application ball in the rotating process of the rotating ring, the metal filter screen vibrates to shake off the impurities on the bottom surface of the metal filter screen, the throughput of the water vapor on the metal filter screen is kept, and the phenomenon that the metal filter screen is blocked by the impurities to reduce the passing efficiency of the water vapor is avoided.
4. When water in the drain valve shell is discharged from the drainage channel, the water passes through the filtering holes in the filtering ball and the filtering cotton layer and is filtered to remove small particle impurities, the filtering ball can rotate at the water inlet position of the drainage channel under the action of water pushing, so that the impurities on the filtering ball are scraped and fall to the bottom of the condensation chamber by utilizing the inner wall structure of the drainage channel, the filtering efficiency of the filtering ball and the filtering cotton layer on the water is kept, the impurities are not easy to block and enter the filtering holes, and the structural design is reasonable.
Drawings
FIG. 1 is a schematic view of a thermostatic trap according to the present invention;
FIG. 2 is a cross-sectional view of the thermostatic trap of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at C in FIG. 3 according to the present invention;
FIG. 5 is a top view of a metal screen according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
FIG. 7 is a schematic view of the upper structure of the cover of the present invention;
FIG. 8 is a bottom perspective view of the housing of the present invention;
FIG. 9 is a schematic view of a primary filter apparatus according to the present invention.
In the figure: 1. a drain valve housing; 2. a trap cover; 3. an air inlet; 4. a water outlet; 5. a lower connecting disc; 6. an upper connecting disc; 7. a first cleaning port; 8. a second cleaning port; 9. a second sealing plug; 10. a cylindrical filter screen; 11. a first sealing plug; 12. an internal intake passage; 13. a cylindrical sleeve; 14. a primary filtration device; 15. an external air intake passage; 16. a condensation chamber; 17. a cover body; 18. a third cleaning port; 19. a third sealing plug; 20. an internal water outlet pipe; 21. an internal water outlet channel; 22. a bimetal spring piece; 23. an exhaust hole; 24. a rubber gasket; 25. an external water outlet channel; 26. an arc-shaped hanging plate; 27. a fixing plate; 28. hanging holes; 29. a movable plate; 30. an intermediate gas channel; 31. an upper positioning plate; 32. rotating the rod; 33. a rotating ring; 34. a blade; 35. a metal screen; 36. a rotating groove; 37. a force-bearing ball; 38. a force application ball; 39. a spring; 40. embedding a groove; 41. filtering balls; 42. and (5) filtering the cotton layer.
Detailed Description
The present application will now be described in further detail with reference to the drawings, and it should be noted that the following detailed description is given for purposes of illustration only and should not be construed as limiting the scope of the present application, as these numerous insubstantial modifications and variations can be made by those skilled in the art based on the teachings of the present application.
As shown in fig. 1 to 9, a filter device of a thermostatic trap includes a trap housing 1 and a trap cover 2, a first-stage filter device 14 is disposed in an air inlet channel of the thermostatic trap, a second-stage filter device is disposed in a water outlet channel of the thermostatic trap, the first-stage filter device 14 includes a rotating ring 33 rotatably disposed in the air inlet channel, the rotating ring 33 is in a cylindrical structure, blades 34 are fixedly disposed on an inner wall of the rotating ring 33, the blades 34 are provided with a plurality of sets, the plurality of sets of blades 34 are distributed along an inner wall of the rotating ring 33 at equal angles, an elastic filter assembly is disposed below the rotating ring 33, the elastic filter assembly includes a metal filter screen 35 and a spring 39 fixedly disposed on a bottom surface of the metal filter screen 35, a plurality of sets of stressed balls 37 are fixedly disposed on an upper surface of the metal filter screen 35, the plurality of sets of stressed balls 37 are distributed along an outer edge of the upper surface of the metal filter screen 35 at equal angles, a force application ball 38 is fixedly disposed on a lower surface of the rotating ring 33, the force application ball 38 corresponds to the stressed ball 37, a bottom of the spring 39 is fixedly connected to a structure of the inner wall of the air inlet channel, when water vapor enters the air inlet channel, the water vapor pushes the blade 34 to drive the rotating ring 33 to stir the metal filter screen 33, and the metal filter screen 35 to shake impurities to fall into the metal filter screen 35;
the secondary filter device comprises a filter ball 41, the filter ball 41 is of a spherical shell structure, a plurality of groups of filter holes communicated with the inside and the outside are formed in the filter ball 41, a filter cotton layer 42 is paved on the inner wall of the spherical shell structure, the filter ball 41 is rotatably arranged at the water inlet position of the drainage channel, impurities are filtered out through the filter holes in the filter ball 41 and the filter cotton layer 42 when water enters the drainage channel, the filter ball 41 is pushed to rotate when water enters the drainage channel through the filter holes in the filter ball 41 and the filter cotton layer 42, the filter ball 41 rotates, and the impurities on the filter ball 41 are scraped through the inner wall structure of the drainage channel.
The primary filtering device 14 can be used for filtering large-particle impurities contained in water vapor, the secondary filtering device can be used for removing small-particle impurities contained in the water, the primary filtering device 14 is combined with the secondary filtering device, so that the water discharged from the drainage channel is relatively clean, the water can be directly utilized after being simply treated, and the flow force of the water vapor is reasonably utilized to realize better filtering effects on the water vapor and the water.
Specifically, when water vapor enters the air inlet channel, large-particle impurities contained in the water vapor are filtered by the metal filter screen 35 on the lower surface of the metal filter screen, the water vapor pushes the blades 34 to drive the rotating ring 33 to rotate, the force application ball 38 is used for poking the force application ball 37 in the rotating process of the rotating ring 33, the metal filter screen 35 vibrates to shake off the impurities on the bottom surface of the metal filter screen 35, the throughput of the water vapor on the metal filter screen 35 is maintained, and the phenomenon that the metal filter screen 35 is blocked by the impurities to reduce the passing efficiency of the water vapor is avoided.
In practice, the outer ring of the rotating ring 33 is kept smooth, so that the rotating ring 33 can smoothly and unimpededly rotate in the air inlet channel, when the rotating ring 33 rotates, the force application balls 38 on the lower surface of the rotating ring 33 circularly stir the multiple groups of force application balls 37, so that the metal filter screen 35 descends, the spring 39 arranged at the bottom of the metal filter screen 35 applies a force upwards restoring the position of the metal filter screen 35, when water vapor passes through the spring, the blades 34 are used for driving the rotating ring 33 to rapidly rotate, so that the phenomenon of high-frequency vibration of the metal filter screen 35 is formed, on one hand, the water vapor is fully diffused when the metal filter screen 35 vibrates in high frequency, and on the other hand, large particle impurities adhered to the lower surface of the metal filter screen 35 can be vibrated; good flow force when getting into through vapor assists the abundant diffusion of vapor and keeps metal filter 35 to the filter effect of large granule impurity in the vapor, is convenient for clear up when opening 3 positions of air inlet draw out on the metal filter 35 by the impurity that shakes off.
Further, when water in the drain valve casing 1 was discharged from drainage channel, water was filtered the filtration pore on the filter ball 41 and was filtered cotton layer 42 by the small particle impurity of filtering, water pushing effect can make filter ball 41 rotate at drainage channel's the position of intaking, thereby utilize drainage channel's inner wall structure to strike off the bottom that falls at condensation chamber 16 with the impurity on the filter ball 41, thereby keep filtering ball 41 and the filtration efficiency of filtering cotton layer 42 to water, during impurity is difficult for blockking up the entering filtration pore, structural design is reasonable.
The invention well solves the problems that the positions of the drainage channel and the air inlet channel are easy to block and the maintenance amount is large.
The surface of the drain valve casing 1, which is close to the drain valve cover body 2, is integrally provided with a lower connecting disc 5 and an upper connecting disc 6 respectively, the lower connecting disc 5 and the upper connecting disc 6 are butted and fixed through screws, the lower connecting disc 5 and the upper connecting disc 6 are sealed, and a condensation cavity 16 is formed inside the drain valve casing 1 and the drain valve cover body 2.
Wherein, when the water vapor is fully diffused, the water vapor can be promoted to better contact with the wall body in the trap shell 1 and be condensed to form water.
One side of condensation cavity 16 is provided with outside inlet channel 15, outside inlet channel 15 is L shape access structure, one section of L shape access structure sets up in trap lid 2's internal layer structure, another section of L shape access structure sets up in trap valve casing 1's internal layer structure, the top inner wall of condensation cavity 16 is provided with the inside inlet channel 12 that communicates in L shape access structure upper end position, the side of trap valve casing 1 is provided with the air inlet 3 with L shape access structure's lower extreme intercommunication.
The middle section of the external air inlet passage 15 is provided with a rotating groove 36 for rotatably mounting the rotating ring 33, and the lower end of the spring 39 is fixedly welded on the bottom surface of the rotating groove 36.
In the invention, the diameter of the rotating groove 36 is larger than that of the external air inlet channel 15, the rotating ring 33 cannot be separated from the rotating groove 36 and enter the air inlet channel 15, the upper section of the rotating groove 36 is arranged on the drain valve cover body 2, the lower end of the rotating groove 36 is arranged on the drain valve shell body 1, and the primary filtering device 14 in the rotating groove 36 can be conveniently taken out for maintenance when the drain valve shell body 1 is separated from the drain valve cover body 2.
One side of the trap cover body 2 is provided with a first cleaning port 7 communicated with the inside of the external air inlet channel 15, and the first cleaning port 7 is connected with a first sealing plug 11 through thread matching.
When the first sealing plug 11 is opened, part of impurities remained in the upper end of the external air inlet passage 15 can be cleaned regularly.
A cylindrical sleeve 13 is arranged in the internal air inlet channel 12, the outer ring of the cylindrical sleeve 13 is connected in the internal air inlet channel 12 in a threaded fit manner, an intermediate air channel 30 is arranged at the center of the cylindrical sleeve 13, and the intermediate air channel 30 is communicated between the internal air inlet channel 12 and the condensation chamber 16; a bell-shaped cover body 17 is arranged in the condensation chamber 16, an exhaust hole 23 communicating the inside and the outside of the cover body 17 is formed in one side of the upper surface of the cover body 17, a bimetal spring piece 22 is arranged on the inner wall of the top of the cover body 17, the bimetal spring piece 22 is of a V-shaped structure, one end of the V-shaped structure is fixedly welded on the inner wall of the top of the cover body 17, a rubber sealing gasket 24 is fixedly bonded to the other end of the V-shaped structure, and the rubber sealing gasket 24 is movably attached to and sealed at the lower end of the exhaust hole 23; a fixed plate 27 is fixedly welded in the middle of the upper surface of the cover body 17, an arc-shaped hanging plate 26 is integrally arranged at the upper end of the fixed plate 27, an upper positioning plate 31 is fixedly connected to the inner wall of the top of the condensation chamber 16 through screws, the lower end of the upper positioning plate 31 is rotatably connected with a movable plate 29 through a rotating rod 32, a hanging hole 28 is formed in one end, away from the rotating rod 32, of the movable plate 29, the arc-shaped hanging plate 26 is hung in the hanging hole 28, and a hemispherical bulge used for plugging the lower end of the middle gas channel 30 is fixedly arranged on the upper surface of the movable plate 29.
An external water outlet channel 25 is arranged in an internal layer structure at the diagonal position of an external air inlet channel 15 on a drain valve shell 1, a water outlet 4 communicated with the upper end of the external water outlet channel 25 is arranged on the side surface of the drain valve shell 1, a second cleaning port 8 communicated with the lower end of the external water outlet channel 25 is arranged on the other side of the drain valve shell 1, a second sealing plug 9 is connected in the second cleaning port 8 in a threaded fit mode, a cylindrical filter screen 10 is clamped on the second sealing plug 9 and attached to the inner wall of the external water outlet channel 25, an internal water outlet pipe 20 is integrally arranged in the middle of the bottom surface of a condensation chamber 16, an internal water outlet channel 21 is arranged in the internal water outlet pipe 20, the upper end of the internal water outlet channel 21 is communicated with the inside of the condensation chamber 16, the lower end of the internal water outlet channel 21 is communicated with the inside of the external water outlet channel 25, the cylindrical filter screen 10 is communicated with the external water outlet channel 25 in the internal water outlet channel 21, the air inlet 3 is as high as the water outlet 4, the second cleaning port 8 is distributed below the air inlet 3 and is close to the lower end of the drain valve shell 1, and a groove 40 for the opening for the filter ball 41 to be movably embedded in is arranged on the upper end of the internal water outlet pipe 20.
The side surface of the drain valve shell 1 is provided with a third cleaning port 18 communicated with the interior of the lower end of the condensation chamber 16, and a third sealing plug 19 is connected in the third cleaning port 18 through threaded fit.
It should be noted that, when the third sealing plug 19 is opened, the filtering device dedicated to the thermostatic steam trap can clean part of impurities remaining at the bottom of the condensation chamber 16.
In use, a water vapor pipe (not shown in the figure) for discharging water vapor into the condensation chamber 16 is connected to an end of the air inlet 3, a water pipe (not shown in the figure) for discharging water vapor is connected to the water outlet 4, and an electromagnetic valve (not shown in the figure) is correspondingly arranged on the water pipe connected to the water outlet 4 to control the on-off of the water pipe.
When water in the water vapor pipeline enters from the air inlet 3, the water sequentially passes through the external air inlet channel 15, the primary filtering device 14 and the internal air inlet channel 12 and enters the intermediate air channel 30, the water vapor pushes the water to enter the interior of the condensation chamber 16 from the bottom of the intermediate air channel 30, when the water vapor enters the interior of the condensation chamber 16, the bimetal spring piece 22 is gradually heated, the bimetal spring piece 22 is heated and elastically deformed to push the rubber gasket 24 to be attached to the bottom of the exhaust hole 23 to seal the exhaust hole 23, at the moment, the upper end of the cover body 17 is sealed, when the water vapor condenses in the condensation chamber 16 to form water, the water submerges the bottom of the cover body 17, and a certain amount of air can not be discharged from the interior of the cover body 17; then, as the water increases, the cover body 17 is moved by the water to float upwards, after the cover body 17 floats to the limit height, the hemispherical bulge above the cover body 17 shields and seals the lower end of the intermediate gas passage 30 to seal the lower end of the intermediate gas passage 30, at this time, the water vapor cannot be discharged into the condensation chamber 16 continuously, the water and the residual water vapor in the condensation chamber 16 wait for condensation, after the water and the residual water vapor are condensed to a certain temperature, the bimetal spring piece 22 is restored to the original state, so that the rubber gasket 24 is removed from the lower end of the exhaust hole 23, the residual gas in the cover body 17 is rapidly discharged from the exhaust hole 23, the cover body 17 descends, the hemispherical bulge above the cover body 17 is removed from the lower end of the intermediate gas passage 30 when the cover body 17 descends, the water vapor can continuously enter the condensation chamber 16 to be condensed, when the water vapor enters the condensation chamber 16 again to be condensed, the electromagnetic valve on the water outlet 4 is opened, and the water in the condensation chamber 16 is discharged from the water outlet 4.
The drain valve housing 1, the drain valve cover body 2, the cover body 17, the structure for driving the cover body 17 to ascend and descend, the bimetallic spring piece 22 and the rubber gasket 24 are common structures of the existing bell-type drain valve, and are not described herein again.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a filter equipment of constant temperature trap, includes trap casing (1) and trap lid (2), its characterized in that, be provided with one-level filter equipment (14) in the inlet channel of constant temperature trap, be provided with second grade filter equipment in the drainage channel of constant temperature trap, one-level filter equipment (14) are including rotating swivel ring (33) that sets up in inlet channel, swivel ring (33) are cylindric structure, the fixed blade (34) that is provided with of inner wall department of swivel ring (33), blade (34) are provided with the multiunit, and multiunit blade (34) are angular distribution such as along the inner wall of swivel ring (33), the below of swivel ring (33) is provided with elastic filter assembly, and elastic filter assembly includes metal filter screen (35) and fixed spring (39) that set up in metal filter screen (35) bottom surface, the last fixed surface of metal filter screen (35) is provided with atress ball (37), atress ball (37) are provided with the multiunit, and multiunit atress ball (37) are angular distribution such as angle along the upper surface of metal filter screen (35), the fixed surface of swivel ring (33) is provided with the fixed surface application of force ball (38), the fixed surface of forcing ball (38) and the steam inlet channel (33) drive the steam inlet channel, intake steam inlet channel with intake ring (33) and the entrance to drive the inner wall (33) and the impeller, in the rotating process of the rotating ring (33), the force application ball (38) is used for stirring the force application ball (37) to enable the metal filter screen (35) to vibrate, so that impurities on the bottom surface of the metal filter screen (35) are vibrated off;
second grade filter equipment is including filtering ball (41), filter ball (41) are spherical shell structure, are provided with the filtration pore of the inside and outside intercommunication of multiunit on filter ball (41), and the inner wall upper berth of spherical shell structure is equipped with and filters cotton layer (42), filter ball (41) rotate and set up in drainage channel's the position of intaking, and filtration pore and the filtration cotton layer (42) on filter ball (41) are filtered impurity when water gets into drainage channel, and water promotes filter ball (41) and rotates when getting into drainage channel through filtration pore and the filtration cotton layer (42) on filter ball (41), and filter ball (41) rotate and the inner wall structure through drainage channel will filter the impurity on the ball (41) and strike off.
2. The filter assembly of a thermostatic trap as set forth in claim 1 wherein: the steam trap is characterized in that one surfaces, close to each other, of the steam trap shell (1) and the steam trap cover body (2) are respectively and integrally provided with a lower connecting disc (5) and an upper connecting disc (6), the lower connecting disc (5) and the upper connecting disc (6) are in butt joint and fixed through screws, the lower connecting disc (5) and the upper connecting disc (6) are kept sealed, and a condensation cavity (16) is formed inside the steam trap shell (1) and the steam trap cover body (2).
3. The filter assembly of a thermostatic trap as set forth in claim 2 wherein: one side of condensation chamber (16) is provided with outside inlet channel (15), outside inlet channel (15) are L shape access structure, and one section of L shape access structure sets up in the inside layer structure of trap lid (2), and another section of L shape access structure sets up in the inside layer structure of trap casing (1), the top inner wall of condensation chamber (16) is provided with inside inlet channel (12) that communicate in L shape access structure upper end position, the side of trap casing (1) is provided with air inlet (3) with the lower extreme intercommunication of L shape access structure.
4. The filter assembly of claim 3, wherein: the middle section of the external air inlet channel (15) is provided with a rotating groove (36) for the rotating ring (33) to rotate and install, and the lower end of the spring (39) is fixedly welded on the bottom surface of the rotating groove (36).
5. The filter apparatus of a thermostatic trap of claim 4, wherein: one side of the trap cover body (2) is provided with a first cleaning port (7) communicated with the inside of an external air inlet channel (15), and the first cleaning port (7) is connected with a first sealing plug (11) through thread matching.
6. The filter assembly of a thermostatic trap of claim 5, wherein: a cylindrical sleeve (13) is arranged in the internal air inlet channel (12), the outer ring of the cylindrical sleeve (13) is connected in the internal air inlet channel (12) in a threaded fit mode, an intermediate gas channel (30) is arranged at the center position of the cylindrical sleeve (13), and the intermediate gas channel (30) is communicated between the internal air inlet channel (12) and the condensation chamber (16).
7. The filter assembly of a thermostatic trap of claim 6, wherein: the novel solar energy condensation device is characterized in that a bell-shaped cover body (17) is arranged in the condensation chamber (16), exhaust holes (23) communicated with the inside and the outside of the cover body (17) are formed in one side of the upper surface of the cover body (17), a bimetallic spring piece (22) is arranged on the inner wall of the top of the cover body (17), the bimetallic spring piece (22) is of a V-shaped structure, one end of the V-shaped structure is fixedly welded on the inner wall of the top of the cover body (17), a rubber sealing gasket (24) is fixedly bonded to the other end of the V-shaped structure, and the rubber sealing gasket (24) is movably attached to and blocked at the lower end of the exhaust holes (23).
8. The filter apparatus of a thermostatic trap of claim 7, wherein: the fixed welding of the upper surface intermediate position of the cover body (17) has fixed plate (27), the upper end an organic whole of fixed plate (27) is provided with arc link plate (26), the top inner wall of condensation cavity (16) passes through screw fixedly connected with top locating plate (31), the lower extreme of top locating plate (31) is rotated through dwang (32) and is connected with fly leaf (29), the one end that dwang (32) were kept away from in fly leaf (29) is provided with hanging hole (28), arc link plate (26) are hung and are put in hanging hole (28), the last fixed surface of fly leaf (29) is provided with the hemisphere arch that is used for shutoff middle gas passage (30) lower extreme.
9. The filter apparatus of a thermostatic trap of claim 8, wherein: an external water outlet channel (25) is arranged in an internal layer structure which is positioned at the diagonal position of an external air inlet channel (15) on the drain valve shell (1), a water outlet (4) communicated with the upper end of the external water outlet channel (25) is arranged on the side surface of the drain valve shell (1), a second cleaning port (8) communicated with the lower end of the external water outlet channel (25) is arranged on the other side of the drain valve shell (1), a second sealing plug (9) is connected in the second cleaning port (8) in a matched manner through threads, a cylindrical filter screen (10) is clamped on the second sealing plug (9), the cylindrical filter screen (10) is attached to the inner wall of the external water outlet channel (25), an internal water outlet pipe (20) is integrally arranged in the middle position of the bottom surface of the condensation chamber (16), an internal water outlet channel (21) is arranged in the internal water outlet pipe (20), the upper end of the internal water outlet channel (21) is communicated with the inside of the condensation chamber (16), the lower end of the internal water outlet channel (21) is communicated with the inside of the external water outlet channel (25), the position of the cylindrical filter screen (10) is communicated with the water outlet channel (3) at the position of the external water outlet channel (3), and the position of the drain valve shell (3) is distributed at the position close to the lower end of the second cleaning port (8), an opening at the upper end of the internal water outlet pipe (20) is provided with an embedded groove (40) for movably embedding a filter ball (41).
10. The filter assembly of a thermostatic trap of claim 9, wherein: the side surface of the drain valve shell (1) is provided with a third cleaning port (18) communicated with the interior of the lower end of the condensation chamber (16), and a third sealing plug (19) is connected in the third cleaning port (18) in a threaded fit manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211259273.9A CN115337705B (en) | 2022-10-14 | 2022-10-14 | Filtering device of constant-temperature drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211259273.9A CN115337705B (en) | 2022-10-14 | 2022-10-14 | Filtering device of constant-temperature drain valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115337705A true CN115337705A (en) | 2022-11-15 |
| CN115337705B CN115337705B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211259273.9A Active CN115337705B (en) | 2022-10-14 | 2022-10-14 | Filtering device of constant-temperature drain valve |
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| Country | Link |
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| CN (1) | CN115337705B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971214A (en) * | 2017-12-13 | 2018-05-01 | 宁波市江北义盈工贸有限公司 | A kind of swinging type material screens cleaning device |
| CN211739142U (en) * | 2020-08-27 | 2020-10-23 | 大连经济技术开发区供热有限公司 | Boiler flue gas waste heat recovery device |
| CN216367969U (en) * | 2021-11-29 | 2022-04-26 | 南昌市宏顺实业有限公司 | Liquid sodium silicate energy-saving production device |
-
2022
- 2022-10-14 CN CN202211259273.9A patent/CN115337705B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971214A (en) * | 2017-12-13 | 2018-05-01 | 宁波市江北义盈工贸有限公司 | A kind of swinging type material screens cleaning device |
| CN211739142U (en) * | 2020-08-27 | 2020-10-23 | 大连经济技术开发区供热有限公司 | Boiler flue gas waste heat recovery device |
| CN216367969U (en) * | 2021-11-29 | 2022-04-26 | 南昌市宏顺实业有限公司 | Liquid sodium silicate energy-saving production device |
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| Publication number | Publication date |
|---|---|
| CN115337705B (en) | 2022-12-27 |
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