CN203098986U - Anti-corrosion high-temperature spring full-lift type safety valve - Google Patents
Anti-corrosion high-temperature spring full-lift type safety valve Download PDFInfo
- Publication number
- CN203098986U CN203098986U CN 201320025598 CN201320025598U CN203098986U CN 203098986 U CN203098986 U CN 203098986U CN 201320025598 CN201320025598 CN 201320025598 CN 201320025598 U CN201320025598 U CN 201320025598U CN 203098986 U CN203098986 U CN 203098986U
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- Prior art keywords
- valve
- spring
- bonnet
- valve seat
- corrosion
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- Expired - Fee Related
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- 238000005260 corrosion Methods 0.000 title abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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Abstract
The utility model discloses an anti-corrosion high-temperature spring full-lift type safety valve which comprises a valve body, a lower valve cover, an upper valve cover and a valve bonnet, wherein the valve body, the lower valve cover, the upper valve cover and the valve bonnet are connected from bottom to top in sequence. A valve seat is arranged at the lower end of the valve body, a recoil disc is arranged in the valve body, and a T-shaped guiding disc is installed on the periphery of the recoil disc in a sleeved mode. A corrugated pipe made of anti-corrosion material is sleeved on the outer wall of the T-shaped guiding disc, the lower end of the corrugated pipe is connected on the recoil disc, a valve clack corresponding to the valve seat is installed at the lower end of the recoil disc, and a valve rod is connected with the upper end of the recoil disc. The upper end of the valve rod penetrates through the lower valve cover and stretches into the upper valve cover, two spring seats are installed on the valve rod in a sleeved mode, a compression spring is connected between the two spring bases, a rotatable sealing ring matched with the valve clack is sleeved on the end face of the upper end of the valve seat, and the valve clack abuts against the sealing ring at the upper end of the valve seat through pressure of the compression spring to form sealing. The anti-corrosion high-temperature spring full-lift type safety valve is simple and reasonable in structure, the phenomenon that a sealing face is damaged due to rotation of the valve clack is effectively prevented, anti-corrosion performance of the safety valve is improved, service life is prolonged, and normal use of the safety valve is ensured.
Description
Technical field
The utility model relates to a kind of safety valve, is specially a kind of corrosion-proof type high temperature spring Fall lift safety valve.
Background technique
Direct spring loaded safety valve refer to rely on spring elastic pressure and with Sealing lockings such as the valve of valve or plungers, in case the high pressure that produces after the pressure anomaly of pressurized container will overcome the spring pressure of safety valve, so blocking device is backed down, formed a pressure release passage, high pressure is released.Direct spring loaded safety valve is mainly used in pressurized boiler, container, pipeline, to guarantee that pressurized system normally moves.The high temperature spring Fall lift safety valve does not contact with medium because its spring mechanism directly is in the atmosphere, therefore has resistance to high temperature preferably.In the using process of existing high temperature spring Fall lift safety valve, sometimes need cracking pressure is adjusted, and when being rotated adjusting, flap is driven to rotate, and then cause sealing surface impaired easily, and decay resistance is not good, is subjected to dielectric corrosion easily and influences the using effect of safety valve.
The model utility content
The purpose of this utility model provides a kind of corrosion-proof type high temperature spring Fall lift safety valve, when cracking pressure being rotated adjusting, flap is driven to rotate to solve high temperature spring Fall lift safety valve traditional in the prior art, and then cause sealing surface impaired easily, and decay resistance is not good, is subjected to dielectric corrosion easily and influences the problem of safety valve using effect.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of corrosion-proof type high temperature spring Fall lift safety valve, comprise the valve body that links to each other successively from bottom to top, bottom flange, bonnet and bonnet, it is characterized in that: described bonnet one side is provided with uncovered, described valve body lower end is provided with valve seat, be provided with the Disc holder that periphery is set with T type positioning disk in the valve body, described T type positioning disk outer wall is with the bellows that resistant material is made, described bellows lower end is connected on the Disc holder, described Disc holder lower end is equipped with and the corresponding flap of valve seat, the upper end is connected with valve rod, bottom flange is passed in described valve rod upper end, and stretch in the bonnet, be set with on the described valve rod lay respectively in the bonnet on, the spring seat of lower end, between described two spring seats pressure spring is installed, described valve seat upper end end face is with the rotating seal ring that matches with flap, and described flap is pushed against on the seal ring of valve seat upper end by the pressure of pressure spring and forms sealing.
Described a kind of corrosion-proof type high temperature spring Fall lift safety valve, it is characterized in that: described valve seat, flap, Disc holder and seal ring all adopt titanium alloy to make.
The beneficial effects of the utility model are:
The utility model is simple and reasonable, easy to use, the rotating seal ring design that employing matches with flap in the end face setting of valve seat upper end, make safety valve when carrying out the cracking pressure adjustment, rotate that then seal ring also and then rotates if flap is followed valve rod, prevented effectively owing to flap rotates the generation that causes the sealing surface damaged phenomenon, employing is provided with corrosion resistant bellows design at T type positioning disk outer wall, has promoted decay resistance effectively, has guaranteed the normal use of safety valve.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of corrosion-proof type high temperature spring Fall lift safety valve, comprise the valve body 1 that links to each other successively from bottom to top, bottom flange 2, bonnet 3 and bonnet 4, bonnet 3 one sides are provided with uncovered, valve body 1 lower end is provided with valve seat 5, be provided with the Disc holder 7 that periphery is set with T type positioning disk 6 in the valve body 1, T type positioning disk 6 outer walls are with the bellows 8 that resistant material is made, bellows 8 lower ends are connected on the Disc holder 7, Disc holder 7 lower ends are equipped with and valve seat 5 corresponding flaps 9, the upper end is connected with valve rod 10, bottom flange 2 is passed in valve rod 10 upper ends, and stretch in the bonnet 3, be set with on the valve rod 10 lay respectively in the bonnet 3 on, the spring seat 11 of lower end, between two spring seats 11 pressure spring 12 is installed, valve seat 5 upper end end faces are with the rotating seal ring 13 that matches with flap 9, and flap 9 is pushed against on the seal ring 13 of valve seat 5 upper ends by the pressure of pressure spring 12 and forms sealing.
Claims (2)
1. corrosion-proof type high temperature spring Fall lift safety valve, comprise the valve body that links to each other successively from bottom to top, bottom flange, bonnet and bonnet, it is characterized in that: described bonnet one side is provided with uncovered, described valve body lower end is provided with valve seat, be provided with the Disc holder that periphery is set with T type positioning disk in the valve body, described T type positioning disk outer wall is with the bellows that resistant material is made, described bellows lower end is connected on the Disc holder, described Disc holder lower end is equipped with and the corresponding flap of valve seat, the upper end is connected with valve rod, bottom flange is passed in described valve rod upper end, and stretch in the bonnet, be set with on the described valve rod lay respectively in the bonnet on, the spring seat of lower end, between described two spring seats pressure spring is installed, described valve seat upper end end face is with the rotating seal ring that matches with flap, and described flap is pushed against on the seal ring of valve seat upper end by the pressure of pressure spring and forms sealing.
2. a kind of corrosion-proof type high temperature spring Fall lift safety valve according to claim 1, it is characterized in that: described valve seat, flap, Disc holder and seal ring all adopt titanium alloy to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320025598 CN203098986U (en) | 2013-01-17 | 2013-01-17 | Anti-corrosion high-temperature spring full-lift type safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320025598 CN203098986U (en) | 2013-01-17 | 2013-01-17 | Anti-corrosion high-temperature spring full-lift type safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098986U true CN203098986U (en) | 2013-07-31 |
Family
ID=48850391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320025598 Expired - Fee Related CN203098986U (en) | 2013-01-17 | 2013-01-17 | Anti-corrosion high-temperature spring full-lift type safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203098986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202170A (en) * | 2017-07-07 | 2017-09-26 | 浙江天和阀门有限公司 | A kind of processing method of spring Fluorine-lined safety valve and its flap component and flap component |
-
2013
- 2013-01-17 CN CN 201320025598 patent/CN203098986U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202170A (en) * | 2017-07-07 | 2017-09-26 | 浙江天和阀门有限公司 | A kind of processing method of spring Fluorine-lined safety valve and its flap component and flap component |
| CN107202170B (en) * | 2017-07-07 | 2023-06-23 | 浙江天和阀门有限公司 | Processing method of valve clack assembly of spring type fluorine-lined safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160117 |
|
| EXPY | Termination of patent right or utility model |