CN203322282U - Chlor-alkali used stop valve sealed by pneumatic corrugated pipe - Google Patents
Chlor-alkali used stop valve sealed by pneumatic corrugated pipe Download PDFInfo
- Publication number
- CN203322282U CN203322282U CN2013203540360U CN201320354036U CN203322282U CN 203322282 U CN203322282 U CN 203322282U CN 2013203540360 U CN2013203540360 U CN 2013203540360U CN 201320354036 U CN201320354036 U CN 201320354036U CN 203322282 U CN203322282 U CN 203322282U
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- China
- Prior art keywords
- valve
- corrugated pipe
- cap
- stop
- valve body
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- 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 - Fee Related
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Abstract
The utility model relates to the technical field of stop valves, particularly to a chlor-alkali used stop valve sealed by a pneumatic corrugated pipe. The stop valve comprises a valve body, a valve seat arranged in an inner cavity of the valve body, a valve clack arranged at the upper part of the valve seat, a valve rod connected with the valve clack, and a corrugated pipe sleeved at the lower part of the valve rod, wherein the bottom of the corrugated pipe is sleeved with a guide sleeve; a lower valve cap is arranged on the valve body; first gaskets are arranged between the lower valve cap and the valve body; an upper valve cap is arranged at the upper part of the lower valve cap; a filling material slot is formed between the upper valve cap and the lower valve cap; second gaskets are arranged between the upper valve cap and the filling material slot; a film type air cylinder is arranged at the upper part of the upper valve cap through a bracket. According to the stop valve provided by the utility model, better leakproofness is achieved as a double-seal manner of the corrugated pipe and filling materials is adopted, and the stop valve has the characteristics of compact structure, less pressure drop damage, large flux, wide adjustable range and excellent sealing effect. Therefore, the stop valve is widely applied to an automatic control system of rare special media which are highly toxic, .highly corrosive, radioactive and the like.
Description
Technical field
The utility model relates to the cut-off valve technical field, is specifically related to chlor-alkali sealed by pneumatic corrugated pipe cut-off valve.
Background technique
At present, the chlor-alkali special valve is poisonous, the harmful and mobile parts of strong corrosive medium of indispensable control in chemical industry alkali chemical industry enterprises chemical industry equipment and pipeline, mainly by manually-operable, completes.In recent years, the chemical industry for making chlorine and alkali development is swift and violent, and existing chlor-alkali valve performance characteristics can not meet the development need of chemical industry intellectuality, digitizing, networking.The chlor-alkali special valve is carried out to intelligent telecontrol becomes valve manufacturing enterprise research direction from now on, to adapt to the needs of chemical industry for making chlorine and alkali intellectuality, network management.
Summary of the invention
The purpose of this utility model be to provide a kind of compact structure, pressure drop damage little, flow is large, adjustable extent is wide, good sealing effect, the better chlor-alkali of safety reliability sealed by pneumatic corrugated pipe cut-off valve.
In order to solve the existing problem of background technique, the utility model is by the following technical solutions: chlor-alkali sealed by pneumatic corrugated pipe cut-off valve, comprise valve body, be located at the valve seat of described body cavity, be located at the flap of described valve seat top, the valve rod be connected with described flap, be socketed on the bellows of described stem lower portion, the bottom socket guide pin bushing of described bellows, described valve body is provided with bottom flange, be provided with the first pad between described bottom flange and valve body, the top of described bottom flange is provided with bonnet, be provided with packing groove between described bonnet and bottom flange, be provided with the second pad between described bonnet and packing groove, the top of described bonnet is provided with the diaphragm type cylinder by support, the coupling rod of described diaphragm type cylinder is fixedly connected with the top of valve rod.
The utlity model has following beneficial effect: chlor-alkali described in the utility model sealed by pneumatic corrugated pipe cut-off valve, wherein, bottom flange adopts wave duct line sealing configuration, can thoroughly eliminate the possibility of processing medium from the stem movement gap to external leakage, this is one of distinguishing feature of bellow sealed valve, due to the deformability of bellows element own and distinguished ageing resistance, this cut-off valve valve has overcome the weakness such as the aging and temperature difference sensitivity of filler that packing sealing valve exists usually fully.Secondly, adopt bonnet to adopt packing seal structure, whole cut-off valve adopts double seal, and safety reliability is better.In addition, the utlity model has compact structure, little, the characteristics such as flow is large, adjustable extent is wide, good sealing effect of pressure drop damage, therefore, this cut-off valve is at severe toxicity, and severe corrosive, be used widely in the automatic control system of the rare special media such as radioactivity.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
As shown in Figure 1, chlor-alkali sealed by pneumatic corrugated pipe cut-off valve, comprise valve body 1, be located at the valve seat 2 of described valve body 1 inner chamber, be located at the flap 3 of described valve seat 2 tops, the valve rod 4 be connected with described flap 3, be socketed on the bellows 5 of described valve rod 4 bottoms, the bottom socket guide pin bushing 6 of described bellows 5, described valve body 1 is provided with bottom flange 7, be provided with the first pad 8 between described bottom flange 7 and valve body 1, the top of described bottom flange 7 is provided with bonnet 9, be provided with packing groove 10 between described bonnet 9 and bottom flange 7, be provided with the second pad 11 between described bonnet 9 and packing groove 10, the top of described bonnet 9 is provided with diaphragm type cylinder 13 by support 12, the coupling rod of described diaphragm type cylinder 13 is fixedly connected with the top of valve rod 4.In the present embodiment, adopt bellows and filler double seal, safety reliability is better, in addition, and after the sealing cut-off valve is mixed valve positioner, make pneumatic valve there is the function of controlling throttling, it both can be for execute-in-place, again can remote-controlled operation, both can singlely control, again can centralized control, be convenient to valve and realize automation; The sealing cut-off valve is in the sealing pair damage, and not needing, with changing whole equipment, only needs with changing the spool position, convenient and simple, cost-saving; The sealing cut-off valve adopts the telecontrol means to realize the opening and closing of valve, has saved manpower, has guaranteed safety, development from chemical industry, the Remote control valve goalkeeper becomes the main device of pipe control, and in 10 years of future, the Remote control valve goalkeeper all replaces manually-operated gate.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of claim scope of the present utility model.
Claims (1)
1. chlor-alkali sealed by pneumatic corrugated pipe cut-off valve, it is characterized in that, comprise valve body (1), be located at the valve seat (2) of described valve body (1) inner chamber, be located at the flap (3) of described valve seat (2) top, the valve rod (4) be connected with described flap (3), be socketed on the bellows (5) of described valve rod (4) bottom, the bottom socket guide pin bushing (6) of described bellows (5), described valve body (1) is provided with bottom flange (7), be provided with the first pad (8) between described bottom flange (7) and valve body (1), the top of described bottom flange (7) is provided with bonnet (9), be provided with packing groove (10) between described bonnet (9) and bottom flange (7), be provided with the second pad (11) between described bonnet (9) and packing groove (10), the top of described bonnet (9) is provided with diaphragm type cylinder (13) by support (12), the coupling rod of described diaphragm type cylinder (13) is fixedly connected with the top of valve rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203540360U CN203322282U (en) | 2013-06-20 | 2013-06-20 | Chlor-alkali used stop valve sealed by pneumatic corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203540360U CN203322282U (en) | 2013-06-20 | 2013-06-20 | Chlor-alkali used stop valve sealed by pneumatic corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322282U true CN203322282U (en) | 2013-12-04 |
Family
ID=49661634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203540360U Expired - Fee Related CN203322282U (en) | 2013-06-20 | 2013-06-20 | Chlor-alkali used stop valve sealed by pneumatic corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405902A (en) * | 2014-11-26 | 2015-03-11 | 浙江纽顿流体控制有限公司 | Valve special for chlorine |
-
2013
- 2013-06-20 CN CN2013203540360U patent/CN203322282U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405902A (en) * | 2014-11-26 | 2015-03-11 | 浙江纽顿流体控制有限公司 | Valve special for chlorine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160620 |