CN202812245U - Elastic gas sealing butterfly valve for waste heat power generation - Google Patents
Elastic gas sealing butterfly valve for waste heat power generation Download PDFInfo
- Publication number
- CN202812245U CN202812245U CN 201220498231 CN201220498231U CN202812245U CN 202812245 U CN202812245 U CN 202812245U CN 201220498231 CN201220498231 CN 201220498231 CN 201220498231 U CN201220498231 U CN 201220498231U CN 202812245 U CN202812245 U CN 202812245U
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- sealing
- valve
- elastic
- valve body
- butterfly valve
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- Expired - Fee Related
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Abstract
The utility model discloses an elastic gas sealing butterfly valve for waste heat power generation. The elastic gas sealing butterfly valve comprises a valve body, sealing shield rings, a valve plate, a joint bearing, elastic sealing strips and a gas sealing inflation port. The two sealing shield rings are arranged on the inner wall of the valve body at intervals. The valve plate is in a double layer structure. The elastic sealing strips are respectively arranged on the periphery of the valve plate. The gas sealing inflation port is arranged on a position between the sealing shield rings on the valve body. The joint bearing is installed on the valve body. The elastic sealing strips are preferably made of the metal elastic sealing strips. A reinforcing rib plate structure is arranged between two layers of the valve plate. On the basis of sealing of a double-way sealing layer, the elastic gas sealing structure of the elastic gas sealing butterfly valve achieves good sealing effects, the structure of the butterfly valve is simple, the structure of the valve plate is high in strength and little in wear, local maintenance can be carried out without a need of shut-down of all lines under normal operation of a system, cost is lowered, operation environment is safe, and environmental protection and good practicality are achieved.
Description
Technical field
The utility model relates to a kind of seal butterfly valve, is specifically related to cogeneration elasticity hermetic seal butterfly valve in a kind of cement, electric power, the metallurgical industry.
Background technique
At 550 ° below the C, seal request is high, the bore in flue and air channel large (common more than 1000mm) with the working medium temperature of seal butterfly valve in cogeneration in cement, electric power, metallurgical industry.General high-performance hard sealing valve cost is higher, and because operating temperature is high, can cause distortion to turn motionless; And adopt general soft sealing valve, seal ring to bear for a long time, working life is short; Adopt simple double valve plates elastic dual-sealing butterfly valve, only can satisfy seal request, in situation about not stopping production, carry out part maintenance or maintenance but can't reach, present domestic this suitable series products that lacks.
The model utility content
Goal of the invention: for the problem and shortage that above-mentioned prior art exists, the purpose of this utility model provide a kind of good sealing effect, simple in structure, valve board structure intensity high, wearing and tearing are little and the elasticity hermetic seal butterfly valve that need not stop production completely and can carry out modular repair.
Technological scheme: for achieving the above object, the technical solution adopted in the utility model is:
A kind of cogeneration comprises valve body, Sealing shield ring, valve plate, joint shaft bearing, elastic sealing strip, hermetic seal inflation inlet with elasticity hermetic seal butterfly valve; Described two seals back-up ring is disposed on the inwall of valve body, and valve plate is double layer construction, and elastic sealing strip is located at respectively the outer rim of valve plate; Described hermetic seal inflation inlet is arranged on the valve body on the position between the Sealing shield ring, and joint shaft bearing is installed on the described valve body.
Close when putting in place when butterfly valve, valve plate contacts with the two seals back-up ring respectively by two-layer elastic sealing strip, and makes elastic sealing strip produce resiliently deformable, forms the double sealing layer, thereby reaches good sealing effect.At this moment, the two seals back-up ring on Double-layer elastic Stamping Steel Ribbon, valve body and the valve body forms a relatively cavity of sealing, passes into clean air by the hermetic seal inflation inlet again, thereby realizes the elasticity hermetic seal.
Above-mentioned elasticity hermetic seal is comprised of the clean air that the two seals back-up ring on Double-layer elastic Stamping Steel Ribbon, valve body and the valve body on the valve plate, hermetic seal inflation inlet pass into; Clean air air pressure should be higher than flue gas air pressure 500Pa, intercepts the leakage of high temperature or harmful smoke by high air pressure, and reduces near the ambient temperature the valve, thereby safeguard and maintenance the part under the normal operation of the system that reaches.
For high temperature resistant, reduce wear, described elastic sealing strip is preferentially selected and is metal elastic-sealed.
As the improvement of optimizing, between valve plate two-layer, be provided with the reinforcement gusset, further improved the structural strength of valve plate.
Beneficial effect: compared with prior art, cogeneration of the present utility model on the basis of double sealing layer sealing, is taked the elasticity air-tight structure with elasticity hermetic seal butterfly valve, realized good sealing effect, it is simple in structure, valve board structure intensity high, wearing and tearing are little.Under the normal operation of system, need not stop production completely and just can carry out modular repair, can reduce to keep in repair the economic loss brought because stopping production completely, reduce cost; Simultaneously for the maintenance man provides comparatively safe operating environment, and guaranteed that harmful gas does not leak, and has realized environmental protection.Has good practicability.
Description of drawings
Fig. 1 is the structural representation that elasticity hermetic seal butterfly valve is used in cogeneration;
Fig. 2 is the sectional view that elasticity hermetic seal butterfly valve is used in cogeneration.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Should understand these embodiments only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
As depicted in figs. 1 and 2, cogeneration is further improved on single shaft double valve plates elastic dual-sealing butterfly valve basis with elasticity airtight sealing butterfly valve, comprises valve body 1, Sealing shield ring 2, valve plate 3, joint shaft bearing 4, elastic sealing strip 5 and sealing gland inflation inlet 6; Two seals back-up ring 2 is disposed on the inwall of valve body 1, and valve plate 3 is double layer construction, and elastic sealing strip 5 is located at respectively the outer rim of valve plate 1, and namely every layer of valve plate established elastic sealing strip one; Hermetic seal inflation inlet 6 is arranged on the valve body 1 on the position between the Sealing shield ring 2, and joint shaft bearing 4 is installed on the described valve body 1.
Close when putting in place when butterfly valve, valve plate contacts with the two seals back-up ring respectively by two-layer elastic sealing strip, and makes elastic sealing strip produce resiliently deformable, forms the double sealing layer, thereby reaches good sealing effect.At this moment, the two seals back-up ring on Double-layer elastic Stamping Steel Ribbon, valve body and the valve body forms a relatively cavity of sealing, passes into clean air by the hermetic seal inflation inlet again, thereby realizes the elasticity hermetic seal.
Above-mentioned elasticity hermetic seal is comprised of the clean air that the two seals back-up ring on Double-layer elastic Stamping Steel Ribbon, valve body and the valve body on the valve plate, hermetic seal inflation inlet pass into.Clean air air pressure should be higher than flue gas air pressure 500Pa, intercepts the leakage of high temperature or harmful smoke by high air pressure, and reduces near the ambient temperature the valve, thereby safeguard and maintenance the part under the normal operation of the system that reaches.Specifically, even cavity is not to seal fully, but because the clean seal gas pressure is higher than flue gas 500Pa, thereby having blocked leaking of harmful smoke, if the clean seal gas leak is arranged, can not work the mischief to the healthy of maintenance man, realized environmental protection.And the clean seal gas of normal temperature, also reduce the temperature that valve plate another side fume high-temperature is radiated maintenance face, thereby provide comparatively safe operating environment for the maintenance man.
For high temperature resistant, reduce wear, elastic sealing strip is preferentially selected and is metal elastic-sealed.
As the improvement of optimizing, between valve plate two-layer, be provided with the reinforcement gusset, strengthening gusset can by being welded on the valve plate, can further improve the structural strength of valve plate.
This cogeneration on the basis of double sealing layer sealing, is taked the elasticity air-tight structure with elasticity hermetic seal butterfly valve, has realized good sealing effect, and it is simple in structure, valve board structure intensity high, wearing and tearing are little; Under the normal operation of system, need not stop production completely and just can carry out modular repair, can reduce to keep in repair the economic loss brought because stopping production completely, reduce cost; Simultaneously for the maintenance man provides comparatively safe operating environment, and guaranteed that harmful gas does not leak, and has realized environmental protection; Has good practicability.
Claims (3)
1. a cogeneration is characterized in that: comprise valve body (1), Sealing shield ring (2), valve plate (3), joint shaft bearing (4), elastic sealing strip (5), hermetic seal inflation inlet (6) with elasticity hermetic seal butterfly valve; Described two seals back-up ring (2) is disposed on the inwall of valve body (1), and valve plate (3) is double layer construction, and elastic sealing strip (5) is located at respectively the outer rim of valve plate (3); Described hermetic seal inflation inlet (6) is arranged on the position between the Sealing shield ring (2) of valve body (1), and joint shaft bearing (4) is installed on the described valve body (1).
2. cogeneration according to claim 1 is with elasticity hermetic seal butterfly valve, and it is characterized in that: described elastic sealing strip (5) is metal elastic-sealed.
3. cogeneration according to claim 1 is characterized in that with elasticity hermetic seal butterfly valve: be provided with the stiffening rib plate structure between valve plate (3) two-layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220498231 CN202812245U (en) | 2012-09-27 | 2012-09-27 | Elastic gas sealing butterfly valve for waste heat power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220498231 CN202812245U (en) | 2012-09-27 | 2012-09-27 | Elastic gas sealing butterfly valve for waste heat power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812245U true CN202812245U (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220498231 Expired - Fee Related CN202812245U (en) | 2012-09-27 | 2012-09-27 | Elastic gas sealing butterfly valve for waste heat power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812245U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090256A (en) * | 2016-08-17 | 2016-11-09 | 上海开纯洁净室技术工程有限公司 | Floating type pressure reduction confined gas valve |
| CN107246481A (en) * | 2017-08-14 | 2017-10-13 | 维珂瑞（北京）环境科技有限公司 | A kind of non-maintaining hermetically sealed cut-out butterfly valve |
| CN107255171A (en) * | 2017-08-14 | 2017-10-17 | 维珂瑞（北京）环境科技有限公司 | A kind of non-maintaining hermetically sealed cut-out cover plate valve |
| CN107269858A (en) * | 2017-08-14 | 2017-10-20 | 维珂瑞（北京）环境科技有限公司 | A kind of double-deck compression soft seal cut-out butterfly valve |
| CN107339469A (en) * | 2017-08-14 | 2017-11-10 | 维珂瑞（北京）环境科技有限公司 | A kind of non-maintaining type multi-cavity type cuts off valve group |
-
2012
- 2012-09-27 CN CN 201220498231 patent/CN202812245U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090256A (en) * | 2016-08-17 | 2016-11-09 | 上海开纯洁净室技术工程有限公司 | Floating type pressure reduction confined gas valve |
| CN107246481A (en) * | 2017-08-14 | 2017-10-13 | 维珂瑞（北京）环境科技有限公司 | A kind of non-maintaining hermetically sealed cut-out butterfly valve |
| CN107255171A (en) * | 2017-08-14 | 2017-10-17 | 维珂瑞（北京）环境科技有限公司 | A kind of non-maintaining hermetically sealed cut-out cover plate valve |
| CN107269858A (en) * | 2017-08-14 | 2017-10-20 | 维珂瑞（北京）环境科技有限公司 | A kind of double-deck compression soft seal cut-out butterfly valve |
| CN107339469A (en) * | 2017-08-14 | 2017-11-10 | 维珂瑞（北京）环境科技有限公司 | A kind of non-maintaining type multi-cavity type cuts off valve group |
| CN107255171B (en) * | 2017-08-14 | 2023-09-05 | 维珂瑞（北京）环境科技有限公司 | Maintenance-free full-sealed cut-off cover plate valve |
| CN107269858B (en) * | 2017-08-14 | 2023-09-05 | 维珂瑞（北京）环境科技有限公司 | Double-layer compaction soft seal cut-off butterfly valve |
| CN107339469B (en) * | 2017-08-14 | 2023-09-05 | 维珂瑞（北京）环境科技有限公司 | Maintenance-free multi-cavity type cutoff valve group |
| CN107246481B (en) * | 2017-08-14 | 2023-09-05 | 维珂瑞（北京）环境科技有限公司 | Maintenance-free full-sealed cut-off butterfly 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: 20130320 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |