CN220151976U - High temperature resistant type filtering pressure reducing valve - Google Patents
High temperature resistant type filtering pressure reducing valve Download PDFInfo
- Publication number
- CN220151976U CN220151976U CN202321333331.8U CN202321333331U CN220151976U CN 220151976 U CN220151976 U CN 220151976U CN 202321333331 U CN202321333331 U CN 202321333331U CN 220151976 U CN220151976 U CN 220151976U
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- valve rod
- pipeline
- valve
- notch
- pressure reducing
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- 238000001914 filtration Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000000110 cooling liquid Substances 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 3
- 238000001816 cooling Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a high temperature resistant type filtering pressure reducing valve, which is characterized by comprising a valve body, a water inlet, a water outlet, an end cover and a baffle plate, wherein a cavity is arranged between the end cover and the baffle plate; a hand wheel is arranged on the end cover, and is connected with a spring and a valve rod below the end cover and used for controlling the pressure of the pressure reducing valve; two filter screens with different meshes are arranged at the water inlet; the utility model has the effects of cooling devices such as the spring, the valve rod, the sealing ring and the like in the pressure reducing valve and filtering impurities in fluid.
Description
Technical Field
The utility model relates to a pressure reducing valve, in particular to a high-temperature-resistant filtering pressure reducing valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by adjusting and automatically keeps the outlet pressure stable by depending on the energy of a medium, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area, so that different pressure losses are caused, and the aim of reducing pressure is achieved.
In the prior art, the pressure reducing valve applied to high-temperature fluid still has the problem that continuous high temperature can cause the influence to spring, valve rod, sealing washer in the valve, including pressure reducing valve rod receives continuous pressure, high temperature, can have deformation and lead to opening difficult problem, in addition, high temperature is also very big to spring force, sealing washer's life-span influence, thereby make prior art pressure reducing valve, need periodic maintenance and change internal assembly, in order to ensure pressure reducing valve's normal work, and maintenance generally need stop production flow go on, also lead to the influence to the production, increased cost expenditure.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a high-temperature-resistant type filtering pressure reducing valve which has the function of radiating and cooling a valve rod, a sealing ring and a spring inside the pressure reducing valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature resistant formula filtration relief pressure valve, includes valve body, water inlet, delivery port, its characterized in that: an end cover is arranged on the upper end face of the valve body, and a spring is arranged below the end cover; a hand wheel is arranged at the top end of the end cover, the lower end of the hand wheel is fixedly connected with a valve rod in the valve body, the valve rod comprises an upper valve rod section and a lower valve rod section, a hollow pipe is arranged in the middle of the valve rod, and the hollow pipe is connected with the upper section and the lower section of the valve rod; the spring is sleeved on the valve rod, a baffle is arranged at the bottom end of the spring, a cavity is arranged between the baffle and the end cover, cooling liquid is arranged in the cavity, a pipeline A is arranged on the end cover, a pipeline B is arranged on the side face of the cavity, a cooling water tank is arranged between the pipeline A and the pipeline B, and a water pump is arranged in the cooling water tank and connected with the pipeline B.
The utility model is further provided with: the water inlet is provided with a filter box at the back, the filter box is provided with a notch A and a notch B, the notch A is provided with a small-mesh filter screen A, the notch B is provided with a large-mesh filter screen B, the notch A is arranged at the upstream of the fluid flow direction of the notch, the small-mesh filter screen A and the large-mesh filter screen B respectively extend into a water inlet pipeline from the notch A and the notch B, the filter box is arranged at the water inlet, and the notch A and the notch B are positioned in the filter box.
The utility model is further provided with: the surface of the spring is subjected to oxidation treatment and is coated with a rust-proof material, and an anti-corrosion additive is added into the cooling liquid.
The utility model is further provided with: the upper end and the lower end of the spring are fixed on the valve rod.
The utility model is further provided with: and a heat dissipation system is arranged in the cooling water tank.
The utility model is further provided with: the pipeline A is a cooling liquid outlet pipeline, and the pipeline B is a cooling liquid inlet pipeline.
The utility model is further provided with: the valve rod is sealed with the end cover through a movable sealing ring, and the valve rod is sealed with the baffle through a movable sealing ring.
In summary, the utility model has the following beneficial effects:
compared with the prior art, the utility model has the advantages that the cavity for containing cooling liquid is added on the valve body, the cooling liquid conveying pipeline is arranged, the cooling liquid pumped from the cavity of the valve body can be cooled and radiated by the cooling water tank connected with the cooling liquid pipeline, and then the cooling liquid is conveyed back to the cavity to absorb heat and cool the internal components; the valve rod, the spring, the sealing ring and other components in the valve body can perform good heat dissipation circulation, the service life of the pressure reducing valve is prolonged, the cost for maintaining the valve is reduced, and the production cost for replacing the valve is also reduced.
Drawings
FIG. 1 is a schematic diagram of a main pipe of a pressure reducing valve of the present embodiment;
FIG. 2 is a front cross-sectional view of the pressure reducing valve of the present embodiment;
fig. 3 is an enlarged schematic view of the structure of fig. 2A according to this embodiment.
Reference numerals: 1. a valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a filter box; 6. a notch B; 8. a large-mesh filter screen B; 9. an end cap; 10. a hand wheel; 11. a valve stem; 11A, upper section of valve rod; 11B, the lower section of the valve rod; 12. a spring; 13. a baffle; 16. a cooling liquid; 17. a hollow tube; 19. a pipeline A; 20. a pipeline B; 21. a cooling water tank; 22. and (3) a water pump.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment discloses high temperature resistant formula filtration relief pressure valve, as shown in fig. 1-3, including valve body 1, water inlet 2, delivery port 3, valve body 1 up end is provided with end cover 9, be provided with spring 12 below end cover 9, spring 12 surface is through oxidation treatment and scribble rust-resistant material, reduces its risk of being corroded, increases life; the top end of the end cover 9 is provided with a hand wheel 10, the lower end of the hand wheel 10 is fixedly connected with a valve rod 11 in the valve body 1, the valve rod 11 is divided into a valve rod upper section 11A, a valve rod lower section 11B, threads are arranged on the surface of the valve rod lower section 11A, the hand wheel is combined with the end cover 9 to play a role in regulating pressure, a hollow tube 17 is arranged between the valve rod upper section 11A and the valve rod lower section 11B in a sliding manner, the purpose is that if the valve rod 11 is integrated, a spring 12 cannot play an effective role in regulating pressure, and the spring 12 is sleeved on the valve rod 11 to ensure that the spring 12 cannot deform left and right in the stressing process so as to influence the elasticity and the service life of the pressure reducing valve; the upper end and the lower end of the spring 12 are fixed on the valve rod 11, and when the regulating and rotating hand wheel 10 or a valve core in the valve body 1 receives pressure from fluid, the spring 12 can change elastic potential energy due to stress so as to play a role in regulating or reducing pressure; the bottom of the lower valve rod section 11B is provided with a baffle 13, a cavity is arranged between the baffle 13 and the end cover 9, cooling liquid 16 is arranged in the cavity, the baffle 13 seals the fluid channel in the valve body 1 from the cavity, the lower valve rod section 11B passes through the baffle 13 and is also sealed by a movable sealing ring, and the leakage of the fluid and the cooling liquid 16 is avoided; the cooling liquid 16 is added with anti-corrosion additives, such as alcohol, glycerol, glycol and the like, so as to ensure that the components flowing through the valve body 1, the spring 12 and the like are not corroded; the end cover 9 is provided with a pipeline A19, the side surface of the cavity is provided with a pipeline B20, a cooling water tank 21 is arranged between the pipeline A19 and the pipeline B20, a water pump 22 is arranged in the cooling water tank 21, the water pump 22 is connected with the pipeline B20, the pipeline 19 is a cooling liquid outlet pipeline in the cavity, and the pipeline 20 is a liquid inlet pipeline.
The water inlet 2 is provided with a filter box 4, the filter box 4 is provided with a notch A and a notch B6, the notch A is provided with a small-mesh filter screen A, the notch B6 is provided with a large-mesh filter screen B8, the notch A is in front of the notch B6, the small-mesh filter screen A and the large-mesh filter screen B8 respectively extend into a water inlet pipeline from the notch A and the notch B6, the water inlet 2 is provided with the filter box 4, and the notch A and the notch B6 are positioned in the filter box 4; the design of the two filter screens can enable the filter effect of the pressure reducing valve to be more effective, the small-mesh filter screen A filters impurities with larger volume before the large-mesh filter screen B8, so that the rear large-mesh filter screen B8 only filters impurities with small volume, and the influence of flow velocity even the blockage of a pipeline caused by accumulation of all impurities to one filter screen is avoided; and two filter screens can be respectively pulled out from the notch A notch B6, so that the filter screens can be conveniently cleaned and maintained, and the filter screens can be cleaned only by pulling out from the notch.
When the pressure reducing valve is particularly used, the pressure reducing valve is connected to the pipeline through the flanges at two ends, the water pump 22 in the cooling box 21 is opened, the cooling liquid 16 in the cooling box 21 is pumped into the pipeline B20 to be conveyed into the cavity, meanwhile, the cooling liquid 16 in the cavity enters the pipeline A19 under the action of pressure and enters the cooling box 21 to be cooled, the cooling liquid 16 inlet pipeline of the cavity is arranged at the bottom of the cavity, and the liquid outlet is arranged on the end cover 9, so that the cooling liquid 16 can fully circulate in the cavity, the cooling efficiency is higher, the effect is better, the cooling effect is better, and the service life of the pressure reducing valve is prolonged, and the maintenance cost is reduced. The required pressure can be adjusted by rotating the hand wheel 10 above the end cap 9, the spring 12 spring force increasing when the hand wheel 10 is rotated such that the valve stem 11 is directed downwards.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a high temperature resistant formula filtration relief pressure valve, includes valve body (1), water inlet (2), delivery port (3), its characterized in that: an end cover (9) is arranged on the upper end surface of the valve body (1), and a spring (12) is arranged below the end cover (9); a hand wheel (10) is arranged at the top end of the end cover (9), the lower end of the hand wheel (10) is fixedly connected with a valve rod (11) in the valve body (1), the valve rod (11) comprises an upper valve rod section (11A) and a lower valve rod section (11B), a hollow pipe (17) is arranged in the middle of the valve rod (11), and the hollow pipe (17) is connected with the upper valve rod section (11A) and the lower valve rod section (11B); the spring (12) is sleeved on the valve rod (11), and a baffle (13) is arranged at the lower section (11B) of the valve rod; be provided with the cavity between baffle (13) and end cover (9), be provided with coolant liquid (16) in the cavity, be provided with pipeline A (19) on end cover (9), the cavity side is provided with pipeline B (20), be provided with coolant tank (21) between pipeline A (19) and pipeline B (20), be provided with water pump (22) in coolant tank (21), water pump (22) are connected with pipeline B (20).
2. The high temperature resistant filter pressure reducing valve as set forth in claim 1, wherein: notch A (5) and notch B (6) are arranged at the water inlet (2), a small-mesh filter screen A is arranged at the notch A (5), a large-mesh filter screen B (8) is arranged at the notch B (6), the small-mesh filter screen A and the large-mesh filter screen B (8) respectively extend into a water inlet pipeline from the notch A (5) and the notch B (6), a filter box (4) is arranged at the water inlet (2), and the notch A (5) and the notch B (6) are located in the filter box (4).
3. The high temperature resistant filter pressure reducing valve as set forth in claim 1, wherein: the upper end and the lower end of the spring (12) are fixed on the valve rod (11).
4. The high temperature resistant filter pressure reducing valve as set forth in claim 1, wherein: the surface of the spring (12) is subjected to oxidation treatment and is coated with a rust-proof material, and an anti-corrosion additive is added into the cooling liquid (16).
5. The high temperature resistant filter pressure reducing valve as set forth in claim 1, wherein: the valve rod (11) is sealed with the end cover (9) through a movable sealing ring, and the valve rod (11) is sealed with the baffle (13) through a movable sealing ring.
6. The high temperature resistant filter pressure reducing valve as set forth in claim 1, wherein: and a heat dissipation system is arranged in the cooling water tank (21).
7. The high temperature resistant filter pressure reducing valve as set forth in claim 1, wherein: the pipeline A (19) is a cooling water outlet pipeline, and the pipeline B (20) is a cooling water inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321333331.8U CN220151976U (en) | 2023-05-29 | 2023-05-29 | High temperature resistant type filtering pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321333331.8U CN220151976U (en) | 2023-05-29 | 2023-05-29 | High temperature resistant type filtering pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151976U true CN220151976U (en) | 2023-12-08 |
Family
ID=89021511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321333331.8U Active CN220151976U (en) | 2023-05-29 | 2023-05-29 | High temperature resistant type filtering pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151976U (en) |
-
2023
- 2023-05-29 CN CN202321333331.8U patent/CN220151976U/en active Active
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