CN219796873U - Automatic liquid discharge device of relief valve bleeder - Google Patents
Automatic liquid discharge device of relief valve bleeder Download PDFInfo
- Publication number
- CN219796873U CN219796873U CN202321221828.0U CN202321221828U CN219796873U CN 219796873 U CN219796873 U CN 219796873U CN 202321221828 U CN202321221828 U CN 202321221828U CN 219796873 U CN219796873 U CN 219796873U
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- Prior art keywords
- pipe
- permeation
- cavity
- condensed water
- relief valve
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- 239000007788 liquid Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000008595 infiltration Effects 0.000 claims description 27
- 238000001764 infiltration Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 22
- 239000000919 ceramic Substances 0.000 claims description 16
- 238000007599 discharging Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model relates to the technical field of steam safety valves, in particular to an automatic liquid discharging device of a relief pipe of a safety valve, which comprises a first liquid discharging pipe, a U-shaped pipe, a second liquid discharging pipe, a condensed water conveying pipe and a permeation device, wherein the permeation device comprises a permeation shell, a permeation cavity formed by surrounding the inner side wall of the permeation shell and a permeable concrete layer arranged in the permeation cavity; the U-shaped pipe is communicated with the condensed water conveying pipe through the permeation cavity; the first drain pipe is communicated with the second drain pipe through a U-shaped pipe. The utility model can prolong the service life of the safety valve and reduce the potential safety hazard of the safety valve. The permeable concrete layer can not only filter impurities in the condensed water and reduce impurities or harmful substances in the condensed water discharged by the condensed water conveying pipe, but also block steam flowing into the permeable cavity from the U-shaped pipe, so that the steam is prevented from being directly discharged through the condensed water conveying pipe, and the safety of the utility model in the use process is improved.
Description
Technical Field
The utility model relates to the technical field of steam safety valves, in particular to an automatic liquid draining device of a relief pipe of a safety valve.
Background
The safety valve is used as a common safety accessory and is commonly used in pressure-bearing special equipment and is often arranged on a boiler, a pressure pipeline and a pressure container. When the equipment is in overpressure operation, the safety valve is immediately opened to play a role in emergency pressure relief, so that reliable operation of the safety valve is very important for safe operation of the equipment. The safety valve is generally vertically arranged at the top of the equipment, a pipeline is led out from an outlet of the safety valve, a discharge medium is led out of a room or is located at a high position, the orifice of the discharge pipe is generally higher than the position of the safety valve, when the discharge medium is water vapor, the water vapor is often condensed in the discharge process, the condensed water can flow back to the outlet of the safety valve under the action of gravity and gather at the outlet of the safety valve, the gathered condensed water can cause corrosion of a safety valve body and a valve core device of the safety valve, in addition, impurity concentration in water often causes damage to the contact surface of the valve body, and the safety valve is accelerated to fail. The safety valve is the last defense line of pressure equipment, and once the safety valve fails, huge hidden danger is caused for the safety of special equipment. Once the device is over-pressurized, the safety valve cannot play a role in pressure relief, and the device can be possibly caused to explode due to the over-pressure even more.
Disclosed in patent application number CN202122404913.8, entitled heat supply pipe condensate collection and discharge structure: the middle part of the U-shaped pipeline is connected with a drain pipe for discharging condensed water, the lower end of the drain pipe is connected with the condensed water collector, and a pressure reducing valve is arranged between the U-shaped pipeline and the condensed water collector; the condensate water collector comprises a tank body and a water collecting pipe which is arranged in the tank body and connected with the drain pipe, the water collecting pipe extends to the bottom of the inner cavity of the tank body, an overflow port with the height higher than the outlet of the water collecting pipe is arranged in the middle of the tank body, a pressure relief valve is connected to the upper side of the tank body, and the height of the hydraulic valve is higher than that of the overflow port. The condensate water collector in the patent application has complex structure and high production cost, and lacks a filtering mechanism for filtering condensate water, and discharged condensate water contains impurities or harmful substances and pollutes the environment.
In addition, some existing condensate water collecting and discharging structures have the problems that the condensate water is required to be manually discharged or the condensate water is not discharged cleanly, the automation degree of the condensate water collecting and discharging structure is low, and the condensate water discharging efficiency of the condensate water collecting and discharging structure is low. Thus, the drawbacks are quite apparent and there is a need to provide a solution.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide an automatic liquid draining device of a relief valve relief pipe.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the automatic liquid draining device of the relief valve drain pipe comprises a first liquid draining pipe, a U-shaped pipe, a second liquid draining pipe, a condensed water conveying pipe and a penetrating device, wherein the penetrating device comprises a penetrating shell, a penetrating cavity formed by surrounding the inner side wall of the penetrating shell and a permeable concrete layer arranged in the penetrating cavity; the U-shaped pipe is communicated with the condensed water conveying pipe through the permeation cavity; the first drain pipe is communicated with the second drain pipe through a U-shaped pipe.
Further, the first drain pipe, the U-shaped pipe and the second drain pipe are integrally constructed.
Further, the infiltration device also comprises a porous ceramic layer arranged in the infiltration cavity, and the porous ceramic layer is positioned below the permeable concrete layer.
Further, the infiltration device further comprises a first sealing ring arranged in the infiltration cavity, and the first sealing ring is used for sealing a gap between the inner side wall of the infiltration cavity and the permeable concrete layer.
Further, the infiltration device further comprises a second sealing ring arranged in the infiltration cavity, and the second sealing ring is used for sealing a gap between the inner side wall of the infiltration cavity and the porous ceramic layer.
Further, the automatic liquid draining device of the relief valve relief pipe further comprises a connecting piece arranged at one end, far away from the U-shaped pipe, of the first liquid draining pipe and a connecting hole arranged on the connecting piece.
Further, in the vertical direction, the lowest point of the U-shaped pipe is communicated with the permeation cavity.
The utility model has the beneficial effects that: the utility model can prolong the service life of the safety valve and reduce the potential safety hazard of the safety valve. The permeable concrete layer can not only perform preliminary filtration on impurities or harmful substances in the condensed water and reduce the impurities or the harmful substances in the condensed water discharged by the condensed water conveying pipe, so that the utility model is more environment-friendly, but also can block steam flowing into the permeable cavity from the U-shaped pipe, thereby avoiding the problem of potential safety hazard caused by the direct discharge of the steam through the condensed water conveying pipe and improving the safety of the utility model in the use process.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Reference numerals illustrate:
1. a first liquid discharge pipe; 2. a second liquid discharge pipe; 3. a U-shaped tube; 4. a condensed water delivery pipe; 5. a permeation device; 6. a permeable shell; 7. a permeate chamber; 8. a water permeable concrete layer; 9. a porous ceramic layer; 10. a first seal ring; 11. a second seal ring; 12. a connecting piece; 13. and a connection hole.
Detailed Description
The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.
As shown in fig. 1 to 2, the automatic drainage device of the relief valve drainage pipe provided by the utility model comprises a first drainage pipe 1, a U-shaped pipe 3, a second drainage pipe 2, a condensed water conveying pipe 4 and a permeation device 5, wherein the permeation device 5 comprises a permeation shell 6, a permeation cavity 7 formed by surrounding the inner side wall of the permeation shell 6 and a permeable concrete layer 8 arranged in the permeation cavity 7; the U-shaped pipe 3 is communicated with the condensate water conveying pipe 4 through a permeation cavity 7; the first drain 1 communicates with the second drain 2 via a U-pipe 3.
Specifically, the first liquid discharge pipe 1, the U-shaped pipe 3 and the second liquid discharge pipe 2 are of an integral structure; in the actual installation process, one end of the first liquid discharge pipe 1 is communicated with the safety valve, the other end of the first liquid discharge pipe 1 is communicated with one end of the U-shaped pipe 3, the other end of the U-shaped pipe 3 is communicated with one end of the second liquid discharge pipe 2, the other end of the second liquid discharge pipe 2 is communicated with the external discharge pipe, the first liquid discharge pipe 1 and the second liquid discharge pipe 2 are installed parallel to the horizontal plane, and the penetrating device 5 is installed below the U-shaped pipe 3. In the actual use process, high-temperature and high-pressure steam is conveyed into the first liquid discharge pipe 1 after passing through the safety valve, flows through the U-shaped pipe 3 and the second liquid discharge pipe 2 in sequence, and is finally discharged through the external discharge pipe. The steam is easy to form the comdenstion water in the outside bleeder, and the comdenstion water in the outside bleeder flows back to in the second fluid-discharge tube 2 under the effect of gravity, and the comdenstion water in the second fluid-discharge tube 2 can flow into in the U-shaped pipe 3, and the comdenstion water that is located in the U-shaped pipe 3 carries to the infiltration intracavity 7 under the effect of gravity, and the comdenstion water in the infiltration intracavity 7 is discharged from comdenstion water conveyer pipe 4 after passing through the concrete layer 8 that permeates water to effectively avoid the comdenstion water to flow back to the relief valve in, thereby improved the life of relief valve and reduced the potential safety hazard. The permeable concrete layer 8 can be made of the existing porous concrete or sand-free concrete, has excellent heat dissipation and water permeability, condensed water can quickly pass through the permeable concrete layer 8 and be discharged through the condensed water conveying pipe 4, and the permeable concrete layer 8 can not only preliminarily filter impurities or harmful substances in condensed water, so that the impurities or harmful substances in the condensed water discharged by the condensed water conveying pipe 4 are reduced, the utility model is more environment-friendly, the permeable concrete layer 8 can also block steam flowing into the permeable cavity 7 from the U-shaped pipe 3, the problem of potential safety hazards caused by the fact that the steam is directly discharged through the condensed water conveying pipe 4 is avoided, and the safety of the utility model in the use process is improved.
Further, the infiltration device 5 further comprises a porous ceramic layer 9 disposed in the infiltration chamber 7, and the porous ceramic layer 9 is located below the permeable concrete layer 8.
In the actual use process, the condensed water in the infiltration cavity 7 sequentially flows through the permeable concrete layer 8 and the porous ceramic layer 9 and is discharged through the condensed water conveying pipe 4. The porous ceramic layer 9 can be made of the existing porous ceramic, has the advantages of high temperature resistance, corrosion resistance, high porosity, good biological and chemical compatibility and the like, and further guides and filters the flowing condensed water through the porous ceramic layer 9, so that the discharge and purification efficiency of the condensed water are further improved.
Further, the infiltration device 5 further comprises a first sealing ring 10 arranged in the infiltration cavity 7, and the first sealing ring 10 is used for sealing a gap between the inner side wall of the infiltration cavity 7 and the permeable concrete layer 8.
Specifically, the infiltration device 5 further includes a second sealing ring 11 disposed in the infiltration chamber 7, where the second sealing ring 11 is used to seal a gap between the inner sidewall of the infiltration chamber 7 and the porous ceramic layer 9. The first sealing ring 10, the permeable concrete layer 8, the porous ceramic layer 9 and the second sealing ring 11 are sequentially arranged from top to bottom. In the actual use process, the first sealing ring 10 and the second sealing ring 11 are additionally arranged, so that condensed water or steam in the permeable cavity 7 can be effectively prevented from flowing out to the condensed water conveying pipe 4 from a gap between the permeable cavity 7 and the permeable concrete layer 8 or a gap between the permeable cavity 7 and the porous ceramic layer 9, and the sealing effect and the filtering effect of the condensed water are improved.
Further, the automatic liquid draining device of the relief valve discharging pipe further comprises a connecting piece 12 arranged at one end of the first liquid draining pipe 1 far away from the U-shaped pipe 3 and a connecting hole 13 arranged on the connecting piece 12.
In the actual use process, the locking piece (screw, bolt or screw) is sequentially inserted into the connecting hole 13 and the shell of the safety valve, so that the safety valve is connected and locked with the connecting piece 12. The connecting piece 12 has a simple structure, and the safety valve is convenient to connect with the first liquid discharge pipe 1.
Further, in the vertical direction, the lowest point of the U-shaped tube 3 communicates with the permeate chamber 7.
In the actual use process, the lowest point of the U-shaped pipe 3 is communicated with the permeation cavity 7, so that condensed water in the U-shaped pipe 3 is conveniently and completely discharged into the permeation cavity 7, and the discharging efficiency of the condensed water is improved.
All technical features in the embodiment can be freely combined according to actual needs.
The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.
Claims (7)
1. An automatic drain device of relief valve bleeder, its characterized in that: the device comprises a first liquid discharge pipe (1), a U-shaped pipe (3), a second liquid discharge pipe (2), a condensed water conveying pipe (4) and a permeation device (5), wherein the permeation device (5) comprises a permeation shell (6), a permeation cavity (7) formed by surrounding the inner side wall of the permeation shell (6) and a permeable concrete layer (8) arranged in the permeation cavity (7); the U-shaped pipe (3) is communicated with the condensed water conveying pipe (4) through the permeation cavity (7); the first liquid discharge pipe (1) is communicated with the second liquid discharge pipe (2) through a U-shaped pipe (3).
2. The automatic drain device of a relief valve drain according to claim 1, wherein: the first liquid discharge pipe (1), the U-shaped pipe (3) and the second liquid discharge pipe (2) are of an integrated structure.
3. The automatic drain device of a relief valve drain according to claim 1, wherein: the infiltration device (5) further comprises a porous ceramic layer (9) arranged in the infiltration cavity (7), and the porous ceramic layer (9) is positioned below the permeable concrete layer (8).
4. A relief valve bleed line automatic drain as defined in claim 3, wherein: the infiltration device (5) further comprises a first sealing ring (10) arranged in the infiltration cavity (7), and the first sealing ring (10) is used for sealing a gap between the inner side wall of the infiltration cavity (7) and the permeable concrete layer (8).
5. The automatic drain device for relief valve drain according to claim 4, wherein: the infiltration device (5) further comprises a second sealing ring (11) arranged in the infiltration cavity (7), and the second sealing ring (11) is used for sealing a gap between the inner side wall of the infiltration cavity (7) and the porous ceramic layer (9).
6. An automatic drain device for a relief valve drain according to any one of claims 1-5, wherein: the automatic liquid draining device of the relief valve relief pipe further comprises a connecting piece (12) arranged at one end, far away from the U-shaped pipe (3), of the first liquid draining pipe (1) and a connecting hole (13) arranged on the connecting piece (12).
7. An automatic drain device for a relief valve drain according to any one of claims 1-5, wherein: the lowest point of the U-shaped pipe (3) is communicated with the permeation cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321221828.0U CN219796873U (en) | 2023-05-18 | 2023-05-18 | Automatic liquid discharge device of relief valve bleeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321221828.0U CN219796873U (en) | 2023-05-18 | 2023-05-18 | Automatic liquid discharge device of relief valve bleeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796873U true CN219796873U (en) | 2023-10-03 |
Family
ID=88184904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321221828.0U Active CN219796873U (en) | 2023-05-18 | 2023-05-18 | Automatic liquid discharge device of relief valve bleeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796873U (en) |
-
2023
- 2023-05-18 CN CN202321221828.0U patent/CN219796873U/en active Active
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