CN204004474U - A kind of heavy caliber double seals butterfly valve that can replace ball valve - Google Patents
A kind of heavy caliber double seals butterfly valve that can replace ball valve Download PDFInfo
- Publication number
- CN204004474U CN204004474U CN201420148544.8U CN201420148544U CN204004474U CN 204004474 U CN204004474 U CN 204004474U CN 201420148544 U CN201420148544 U CN 201420148544U CN 204004474 U CN204004474 U CN 204004474U
- Authority
- CN
- China
- Prior art keywords
- valve
- seal ring
- heavy caliber
- ring
- butterfly valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 230000002441 reversible effect Effects 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 241001061264 Astragalus Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model belongs to inlet valve field, high head heavy caliber water power plant, specifically discloses a kind of heavy caliber double seals butterfly valve that can replace ball valve, comprises valve body and valve; Described valve body two ends are provided with guide cylinder, are provided with can horizontally slip and cross section is the seal ring of inverted T shape or L-type in described guide cylinder, and described seal ring both sides connect external pressure medium; In described valve, seal ring is installed, described seal ring coordinates with described seal ring the sealing that realizes butterfly valve.The utility model adopts double sealing structure and pumped storage power station to adopt pump turbine bidirectional reversible unit to match, and sealing is reliable; Adopt external pressure medium to control the action of seal ring in opening-closing process, reduce wear, increase the service life; Adopt truss structure to promote butterfly valve rigidity, be applicable to high head, high pressure operating mode.
Description
Technical field
The utility model relates to inlet valve field, heavy caliber water power plant, specifically discloses a kind of heavy caliber double seals butterfly valve that can replace ball valve.
Background technique
At present, in inlet valve field, heavy caliber water power plant, floor space is large, Heavy Weight because volume causes greatly for ball valve, and to manufacturing equipment require high, cost is high, manufacture and application are restricted, and other alternative valve classes engender, especially with bigbore double seals butterfly valve, use the most extensive.
Pumped storage power station is different from conventional hydroturbine water intake valve to the requirement of inlet valve: 1, pumped storage unit inlet valve on-off times is many compared with conventional water turbine, and the sealing of valve is had to stricter requirement; 2, pumped storage power station adopts pump turbine bidirectional reversible unit, therefore need to realize two way sealed, and conventional butterfly valve is because its one-way sealing reason is difficult to be applied to pumped storage power station.
If adopt rubber air astragal or solid rubber seal ring form, due to easy aging, the bad mechanical property of rubber, hardness is low, the reason such as not wear-resisting can cause valve short working life, seal ring needs often to change, and maintenance expenses is high, can not finely meet user's usage requirement.Therefore providing a kind of large-diameter butterfly valve that can solve above-mentioned one or more technical problems to become needs badly.
Model utility content
The purpose of this utility model is to provide a kind of energy to substitute simple in structure, the long service life of ball valve, the heavy caliber double seals butterfly valve of low cost of manufacture.
To achieve these goals, the technical solution of the utility model is: a kind of heavy caliber double seals butterfly valve that can replace ball valve, comprises valve body and valve; Described valve body two ends are provided with guide cylinder, are provided with can horizontally slip and cross section is the seal ring of inverted T shape or L-type in described guide cylinder, and described seal ring both sides connect external pressure medium; In described valve, seal ring is installed, described seal ring coordinates with described seal ring the sealing that realizes butterfly valve.
Preferably: described seal ring is elastic metal sealing ring, and described valve is fixedly connected with trim ring, in the two junction, drives circular groove, and described elastic metal sealing ring is installed in described circular groove.
Preferably: upstream and downstream adopts symmetric double sealing configuration, thus there is the effect of two way sealed.
Preferably: on described seal ring, be arc surface or the conical surface with described seal ring junction plane.
Preferably: the sealing pair that described seal ring and seal ring form is that metal to metal or rubber are to Structural Hardware.
Preferably: between described valve body and described seal ring, be also provided with supporting ring, described external pressure medium be water system drive unit by the road, the MEDIA FLOW through hole that arranges in control valve, valve body and/or supporting ring acts on described seal ring.
beneficial effect
Owing to having adopted technique scheme, the utlity model has following advantage:
1, the elastic stainless steel seal ring opening-closing process on seal ring and valve does not rub, and can meet the requirement of valve frequent movement, increases the service life;
2, the hydrodynamic reciprocating sealing ring of upstream and downstream both sides can be realized the two way sealed of valve, adopts pump turbine bidirectional reversible unit to match with pumped storage power station, and sealing is reliable.
3, compare with ball valve, the utility model is simple in structure, volume is little, low cost of manufacture, floor space are little, can accomplish more heavy caliber, adopt truss structure can meet high head, high pressure usage requirement, be to replace ball valve to become the better selection of water turbine and pumped storage unit inlet valve simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of the utility model structural representation;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the partial enlarged drawing of the another kind of mode of execution of the utility model;
Fig. 4 is the structural representation of the utility model valve plate;
Wherein, 1, valve body, 2, valve, 3, bolt, 4, elastic stainless steel seal ring, 5, trim ring, 6, hydrodynamic reciprocating sealing ring, 7, containing the supporting ring of MEDIA FLOW through hole, 8, guide cylinder, 9, control valve, 10, pipeline, 11, water system drive unit.
Embodiment
As shown in Figure 1, a kind of heavy caliber double seals butterfly valve that can replace ball valve, comprises valve body 1 and valve 2, and the both sides in described valve body 1 are provided with guide cylinder 8, as preferably, and can be in bilateral symmetry setting.It is the hydrodynamic reciprocating sealing ring 6 of inverted T shape or L-type that cross section is installed in described guide cylinder 8, and described hydrodynamic reciprocating sealing ring 6 can horizontally slip, in valve body 1 or supporting ring in 7 be provided with MEDIA FLOW through hole 7; In the ingress of described MEDIA FLOW through hole 7, be connected with pipeline 10, described pipeline 10 is provided with control valve 9 near one end of valve body; Described valve 2 is realized detachable connection with trim ring 5 with bolt 3, in the two junction, circular groove is set, and elastic stainless steel seal ring 4 is installed in described circular groove; Also comprise water system drive unit 11, described pipeline 10 is connected with described water system drive unit 11, and described control valve 9 is electrically connected to described water system drive unit 11, and described control valve also can be manually operated valve.
The partial enlarged drawing that Fig. 2 is is the conical surface with the surface of contact of described elastic stainless steel seal ring on described hydrodynamic reciprocating sealing ring.
The partial enlarged drawing that Fig. 3 is is arc surface with the surface of contact of described elastic stainless steel seal ring on described hydrodynamic reciprocating sealing ring.
By water system drive unit 11, control ducted pressure, utilize water pressure to drive hydrodynamic reciprocating sealing ring 6 to move left and right, hydrodynamic reciprocating sealing ring 6 contacts with the elastic stainless steel seal ring 4 being installed on valve 5, realizes sealing, if now 9 of closed control valves can be realized pressurize; Otherwise hydrodynamic reciprocating sealing ring 6 is to moving away from valve 5 directions, i.e. relief valve door sealing state.
Above a kind of heavy caliber double seals butterfly valve of ball valve that replaces provided by the utility model is described in detail, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (7)
1. the heavy caliber double seals butterfly valve that can replace ball valve, comprise valve body and valve, it is characterized in that: described valve body two ends are provided with guide cylinder, in described guide cylinder, be provided with and can horizontally slip and cross section is the seal ring of inverted T shape or L-type, described seal ring both sides connect external pressure medium; In described valve, seal ring is installed, described seal ring coordinates with described seal ring the sealing that realizes butterfly valve.
2. a kind of heavy caliber double seals butterfly valve that can replace ball valve according to claim 1, it is characterized in that: described seal ring is elastic metal sealing ring, described valve is fixedly connected with trim ring, in the two junction, drives circular groove, and described elastic metal sealing ring is installed in described circular groove.
3. a kind of heavy caliber double seals butterfly valve that can replace ball valve according to claim 1, is characterized in that: upstream and downstream adopts symmetric double sealing configuration, thereby has the effect of two way sealed.
4. a kind of heavy caliber double seals butterfly valve that can replace ball valve according to claim 1, is characterized in that: on described seal ring, be arc surface or the conical surface with described seal ring junction plane.
5. according to the arbitrary described a kind of heavy caliber double seals butterfly valve that can replace ball valve of claim 1-4, it is characterized in that: the sealing pair that described seal ring and seal ring form is that metal to metal or rubber are to Structural Hardware.
6. according to the arbitrary described a kind of heavy caliber double seals butterfly valve that can replace ball valve of claim 1-4, it is characterized in that: between described valve body and described seal ring, be also provided with supporting ring, described external pressure medium be water system drive unit by the road, the MEDIA FLOW through hole that arranges in control valve, valve body and/or supporting ring acts on described seal ring.
7. a kind of heavy caliber double seals butterfly valve that can replace ball valve according to claim 5, it is characterized in that: between described valve body and described seal ring, be also provided with supporting ring, described external pressure medium be water system drive unit by the road, the MEDIA FLOW through hole that arranges in control valve, valve body and/or supporting ring acts on described seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148544.8U CN204004474U (en) | 2014-03-31 | 2014-03-31 | A kind of heavy caliber double seals butterfly valve that can replace ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148544.8U CN204004474U (en) | 2014-03-31 | 2014-03-31 | A kind of heavy caliber double seals butterfly valve that can replace ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004474U true CN204004474U (en) | 2014-12-10 |
Family
ID=52044477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148544.8U Expired - Lifetime CN204004474U (en) | 2014-03-31 | 2014-03-31 | A kind of heavy caliber double seals butterfly valve that can replace ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799525A (en) * | 2018-09-10 | 2018-11-13 | 陕西博菲特流体控制装备制造有限公司 | Needle-like pressure reducing valve pressure reduction structure with double centering guide frames |
-
2014
- 2014-03-31 CN CN201420148544.8U patent/CN204004474U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799525A (en) * | 2018-09-10 | 2018-11-13 | 陕西博菲特流体控制装备制造有限公司 | Needle-like pressure reducing valve pressure reduction structure with double centering guide frames |
| CN108799525B (en) * | 2018-09-10 | 2024-02-23 | 陕西博菲特流体控制装备制造有限公司 | Needle type pressure reducing valve pressure reducing structure with double centering guide structures |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
|
| CX01 | Expiry of patent term |