CN205896250U - High -temperature hard -sealing fixing ball valve - Google Patents
High -temperature hard -sealing fixing ball valve Download PDFInfo
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- CN205896250U CN205896250U CN201620881148.5U CN201620881148U CN205896250U CN 205896250 U CN205896250 U CN 205896250U CN 201620881148 U CN201620881148 U CN 201620881148U CN 205896250 U CN205896250 U CN 205896250U
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Abstract
High -temperature hard -sealing fixing ball valve. Mainly solved present ball valve sealed fixed firmly work under high temperature for a long time, because high temperature expansion results in the switch moment of torsion to weigh and easy card is died, the problem of the relative normal atmospheric temperature valve of switch moment of torsion fold increase. The utility model provides a high -temperature hard -sealing fixing ball valve is equipped with sealed complex spheroid and disk seat in its valve body, be connected with the valve rod on the disk seat, still is equipped with V type sealing washer between disk seat circumference and the valve body, and V type sealing washer axial rear end still is equipped with combined seal ring, includes still that elasticity pushes away the circle, and elasticity pushes away ring one end to be passed through the elastic component and support with the valve body and press, and other end roof pressure is in the combined seal ring rear end. Move back the circle through elasticity and provide the expansion space of spare parts such as spheroid, disk seat with combined seal ring, guarantee the valve and do not pay a bill under high temperature working condition extremely to the effectual reduction valve operating moment of torsion of ability makes its nimble opening and close. As preferred, this combined seal ring can organize for the butterfly sealing washer, and the result of use is better.
Description
Technical field
This utility model is related to ball valve field and in particular to high-temperature hard.
Background technology
Constantly develop with industry, to ball valve especially high temperature, high pressure bad working environments ball valve demand increasing it is desirable to
Ball valve has wear-resisting, resistance to erosion, the performance such as high temperature resistant, corrosion-resistant.And although traditional whole-through diameter ball valve spheroid, valve seat are through heap
The technology such as weldering, spraying carry out Surface hardening treatment, but its service life, cost and performance etc. still can not meet to use to be wanted
Ask, but extensive in sector applications such as coal liquifaction, Coal Chemical Industry, oil, chemical industry, electric power, metallurgy.
With the development of the modernization of industry, various new technological processes continue to bring out, and oil, chemical industry, metallurgy, electric power etc. are led
While domain is in line with international standards, hard seal fixing ball valve is put forward higher requirement, that is, require hard seal fixing ball valve, 400
More than DEG C, the good sealing effectiveness of long-term holding.Existing hard seal fixing ball valve works for a long time at high temperature, due to high temperature
Expansion leads to switching torque heavy and easily stuck, and switching torque is multiplied relative to room temperature valve.
Utility model content
In order to overcome the shortcomings of background technology, this utility model provides high-temperature hard, mainly solves existing
Some hard seal fixing ball valves work for a long time at high temperature, because high-temperature expansion leads to switching torque weight and easily stuck, switch
The problem that moment of torsion is multiplied to room temperature valve.
This utility model be the technical scheme is that
High-temperature hard, including valve body, is provided with spheroid and the valve seat of sealing cooperation, described valve in described valve body
It is connected with valve rod on seat, be additionally provided with V-shaped sealing ring between the circumferential and described valve body of described valve seat, before described V-shaped sealing ring axial direction
Hold valve seat described in top pressure and axial rearward end is additionally provided with combined seal ring, also include elasticity and push away circle, described elasticity pushes away circle one end and passes through
Elastic component is compressed with described valve body, and other end top pressure is in described combined seal ring rear end.
Described combined seal ring includes adjacent the first sealing ring being provided with, the second sealing ring and the 3rd sealing ring, and described
Between one sealing ring and the second sealing ring, between the second sealing ring and the 3rd sealing ring, it is equipped with gap.
The valve gap being detachably connected is additionally provided with described valve body, between described valve gap and described valve rod, is provided with airtight and watertight padding,
Described valve gap is provided with the hard alloy layer for contacting with described airtight and watertight padding.
Described hard alloy layer is made up of stl alloy.
Described valve gap peripheral outer wall is also evenly equipped with some fin.
Described elastic component is spring.
It is additionally provided with disc spring between described V-shaped sealing ring and combined seal ring.
It is l shape that described elasticity pushes away circle cross section, and its upper end compresses described combined seal ring, and lower end compresses described valve seat.
The beneficial effects of the utility model are: this utility model provides high-temperature hard, is provided with its valve body
The spheroid of sealing cooperation and valve seat, valve seat are connected with valve rod, are additionally provided with V-shaped sealing ring, V-shaped is close between valve seat circumference and valve body
Seal axial rearward end is additionally provided with combined seal ring, also includes elasticity and pushes away circle, and elasticity is pushed away circle one end and compressed with valve body by elastic component,
Other end top pressure is in combined seal ring rear end.Circle is moved back by elasticity and combined seal ring provides the parts such as spheroid, valve seat
Expansion space is it is ensured that valve will not be swollen dead under worst hot case, and can effectively reduce valve operation moment of torsion so as to flexibly open
Close.
Brief description
Fig. 1 is the cross-sectional schematic of one embodiment of this utility model.
Fig. 2 is enlarged drawing at Fig. 1 a.
Fig. 3 is enlarged drawing at Fig. 1 b.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings: as illustrated, high-temperature hard, including
Valve body 1, is provided with spheroid 2 and the valve seat 3 of sealing cooperation, described valve seat 3 is connected with valve rod 4, described valve seat 3 in described valve body 1
It is additionally provided with V-shaped sealing ring 17, valve seat 3 and axle described in described V-shaped sealing ring 17 axial forward end top pressure between circumferential and described valve body 1
It is additionally provided with combined seal ring 22 to the back-end, also includes elasticity and push away circle 23, described elasticity pushes away circle 23 one end and passes through elastic component 24 and institute
State valve body 1 to compress, other end top pressure is in described combined seal ring 22 rear end.This utility model provides high-temperature hard sealing to fix ball
Valve, is provided with spheroid and the valve seat of sealing cooperation in its valve body, valve seat is connected with valve rod, is additionally provided between valve seat circumference and valve body
V-shaped sealing ring, V-shaped sealing ring axial rearward end is additionally provided with combined seal ring, also includes elasticity and pushes away circle, and elasticity pushes away circle one end and passes through bullet
Property part is compressed with valve body, and other end top pressure is in combined seal ring rear end.By elasticity move back circle and combined seal ring provide spheroid,
The expansion space of the parts such as valve seat is it is ensured that valve will not be swollen dead under worst hot case, and can effectively reduce valve operation
Moment of torsion is so as to flexible open and close.One combined seal ring as primary seal with together with V-shaped inclined-plane sealing ring as secondary seal, group
Close and have gap can carry out self-compensating, V-shaped inclined-plane sealing ring between sealing ring, can support to internal-and external diameter under pressure
Open, keep good sealing, two seals circle improves the sealing effectiveness of valve.Preferably, this combined seal ring can be
Butterfly sealing ring, using effect is more preferable.
In the present embodiment, as illustrated, described combined seal ring 22 include adjacent the first sealing ring 221 being provided with,
Two sealing rings 222 and the 3rd sealing ring 223, between described first sealing ring 221 and the second sealing ring 222, the second sealing ring 222
With the 3rd be equipped with gap between sealing ring 223.There is gap can carry out self-compensating between combined seal ring.
In the present embodiment, as illustrated, the valve gap 8 being detachably connected is additionally provided with described valve body 1, described valve gap 8 with
It is provided with airtight and watertight padding 81, described valve gap 8 is provided with the hard alloy for contacting with described airtight and watertight padding 81 between described valve rod 4
Layer 82.Valve rod contacts part, one layer of stl hard alloy of surface overlaying with filler in upper lid, and hardness is high, scratch resistance, prevents from switching
During the filled scratch of stem surface, cause seal failure.Upper lid is cylindrical to be provided with fin, can effectively reduce stuffing-box
The temperature of position, it is to avoid stuffing-box is chronically at the state of high temperature, extends the service life of filler.
In the present embodiment, as illustrated, described hard alloy layer is made up of stl alloy.
Stl (stellite alloys), Si Tailite alloy, there is high dimensional stability, very high wear-resisting,
Anti-corrosion, antioxidation and curing capacity, because high thermohardening makes alloy have high wear resistance below 870 DEG C.
In the present embodiment, as illustrated, described valve gap 8 peripheral outer wall is also evenly equipped with some fin 83.Increase radiating
Ability, can effectively reduce temperature, it is to avoid stuffing-box is chronically at the state of high temperature, extend the service life of filler.
In the present embodiment, as illustrated, described elastic component 24 is spring.May be otherwise using other elastic components,
Such as disc spring etc., spring is easy to assemble, and cost is relatively low.
In the present embodiment, as illustrated, being additionally provided with disc spring 20 between described V-shaped sealing ring 17 and combined seal ring 22.
Increase regulating effect, using convenient.
In the present embodiment, as illustrated, it is l shape that described elasticity pushes away circle 23 cross sections, it is close that its upper end compresses described combination
Seal 22, lower end compresses described valve seat 3.Can top pressure combined seal ring and valve seat simultaneously, expansion space is more preferably provided
Embodiment is not construed as to restriction of the present utility model, but any based on changing that spirit of the present utility model is made
Enter, all should be within protection domain of the present utility model.
Claims (8)
1. high-temperature hard, including valve body (1), is provided with spheroid (2) and the valve seat of sealing cooperation in described valve body (1)
(3), described valve seat (3) is connected with valve rod (4) it is characterised in that: between the circumferential and described valve body (1) of described valve seat (3) also
It is provided with V-shaped sealing ring (17), valve seat (3) described in described V-shaped sealing ring (17) axial forward end top pressure and axial rearward end is additionally provided with group
Close sealing ring (22), also include elasticity and push away circle (23), described elasticity pushes away circle (23) one end and passes through elastic component (24) and described valve body
(1) compress, other end top pressure is in described combined seal ring (22) rear end.
2. high-temperature hard according to claim 1 it is characterised in that: described combined seal ring (22) includes
Adjacent the first sealing ring (221) being provided with, the second sealing ring (222) and the 3rd sealing ring (223), described first sealing ring
(221), between and the second sealing ring (222), between the second sealing ring (222) and the 3rd sealing ring (223), it is equipped with gap.
3. high-temperature hard according to claim 1 it is characterised in that: being additionally provided with described valve body (1) can
The valve gap (8) that dismounting connects, is provided with airtight and watertight padding (81), on described valve gap (8) between described valve gap (8) and described valve rod (4)
It is provided with the hard alloy layer (82) for contacting with described airtight and watertight padding (81).
4. high-temperature hard according to claim 3 it is characterised in that: described hard alloy layer is closed by stl
Gold is made.
5. high-temperature hard according to claim 3 it is characterised in that: described valve gap (8) peripheral outer wall is also
It is evenly equipped with some fin (83).
6. high-temperature hard according to claim 1 it is characterised in that: described elastic component (24) be spring.
7. high-temperature hard according to claim 1 it is characterised in that: described V-shaped sealing ring (17) and group
Close and be additionally provided with disc spring (20) between sealing ring (22).
8. high-temperature hard according to claim 1 it is characterised in that: described elasticity pushes away circle (23) cross section
For l shape, its upper end compresses described combined seal ring (22), and lower end compresses described valve seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620881148.5U CN205896250U (en) | 2016-08-16 | 2016-08-16 | High -temperature hard -sealing fixing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620881148.5U CN205896250U (en) | 2016-08-16 | 2016-08-16 | High -temperature hard -sealing fixing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896250U true CN205896250U (en) | 2017-01-18 |
Family
ID=57780635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620881148.5U Active CN205896250U (en) | 2016-08-16 | 2016-08-16 | High -temperature hard -sealing fixing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205896250U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327589A (en) * | 2017-07-31 | 2017-11-07 | 昆山维萨阀门有限公司 | A kind of HTHP fixing ball valve |
| CN109723824A (en) * | 2019-02-28 | 2019-05-07 | 青岛伊克斯达智能装备有限公司 | A kind of low leakage rotary dynamic sealing device for waste and old rubber thermal cracking |
| CN111579337A (en) * | 2020-06-28 | 2020-08-25 | 西南石油大学 | High-temperature ultrahigh-pressure oil-gas fluid sample preparation device |
-
2016
- 2016-08-16 CN CN201620881148.5U patent/CN205896250U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327589A (en) * | 2017-07-31 | 2017-11-07 | 昆山维萨阀门有限公司 | A kind of HTHP fixing ball valve |
| CN109723824A (en) * | 2019-02-28 | 2019-05-07 | 青岛伊克斯达智能装备有限公司 | A kind of low leakage rotary dynamic sealing device for waste and old rubber thermal cracking |
| CN109723824B (en) * | 2019-02-28 | 2024-01-09 | 青岛伊克斯达智能装备有限公司 | Low-leakage rotary dynamic sealing device for thermal cracking of waste rubber and plastic |
| CN111579337A (en) * | 2020-06-28 | 2020-08-25 | 西南石油大学 | High-temperature ultrahigh-pressure oil-gas fluid sample preparation device |
| CN111579337B (en) * | 2020-06-28 | 2022-06-21 | 西南石油大学 | High-temperature ultrahigh-pressure oil-gas fluid sample preparation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325000 no.1921 Binhai 1st Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Founder Valve Group Co.,Ltd. Address before: Yongjia oubeizhen Wenzhou County of Zhejiang province 325102 city and village Patentee before: FANGZHENG VALVE GROUP Co.,Ltd. |
|
| CP03 | Change of name, title or address |