CN203322283U - Chlor-alkali used adjusting valve with pneumatic corrugated pipe - Google Patents
Chlor-alkali used adjusting valve with pneumatic corrugated pipe Download PDFInfo
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- CN203322283U CN203322283U CN201320354038XU CN201320354038U CN203322283U CN 203322283 U CN203322283 U CN 203322283U CN 201320354038X U CN201320354038X U CN 201320354038XU CN 201320354038 U CN201320354038 U CN 201320354038U CN 203322283 U CN203322283 U CN 203322283U
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- sealing assembly
- valve body
- bellows
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Abstract
The utility model relates to the technical field of adjusting valves, particularly to a chlor-alkali used adjusting valve with a pneumatic corrugated pipe. The adjusting valve mainly comprises a valve body, a lower sealing assembly arranged at the upper part of the valve body, an upper sealing assembly arranged on the lower sealing assembly, and an adjusting mechanism arranged at the upper part of the upper sealing assembly, wherein the lower sealing assembly is sealed by a corrugated pipe, and the upper sealing assembly is sealed by filling materials, so that better safe reliability of the valve body is achieved as a double-seal structure is formed; further, the guiding area of a valve clack is large, so that the vibration resistance is excellent; a multi-spring type film actuating mechanism is arranged on the adjusting valve, so that the structure is compact and the output force is great. Therefore, the adjusting 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 modulating valve technical field, is specifically related to chlor-alkali pneumatic bellows modulating valve.
Background technique
In the automatic control of modern plant, modulating valve plays a very important role, and correct distribution and the control of the liquids and gases that flowing is depended in the production of these factories.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 is to provide that a kind of valve body structure is compact, droop loss is little, flow is large, adjustable extent is wide, good sealing effect, safe and reliable chlor-alkali pneumatic bellows modulating valve.
In order to solve the existing problem of background technique, the utility model is by the following technical solutions: chlor-alkali pneumatic bellows modulating valve comprises valve body, is located at the lower seal assembly of described valve body top, the controlling mechanism of being located at the upper black box of described lower seal assembly top and being located at described upper black box top.
Described valve body comprises cavity, is located at the interior valve seat of described cavity, is located at the flap in described valve seat and the valve rod of pegging graft described cavity and being connected with flap, and the bottom of described flap is tapered.
Described lower seal assembly comprises bottom flange and the bellows of pegging graft with described bottom flange, and described bellows-sheathed is connected on valve rod, and the outside, bottom of described bellows is provided with guide pin bushing.
Described upper black box comprise bonnet, with the interspersed guide rod of described bonnet, be provided with filler between described guide rod and bonnet, described guide rod is connected with valve rod.
Described controlling mechanism comprises the diaphragm type cylinder, supports the support of described diaphragm type cylinder, and the flexible rod of described diaphragm type cylinder is connected with guide rod.
Further, be provided with the first pad between described bonnet and bottom flange.
Further, be provided with the second pad between described bottom flange and cavity.
The utlity model has following beneficial effect: chlor-alkali described in the utility model pneumatic bellows modulating valve, mainly comprise valve body, be located at the lower seal assembly of valve body top, the controlling mechanism of being located at the upper black box of lower seal assembly and being located at the black box top, wherein, the lower seal assembly adopts sylphon seal, upper black box adopts packing seal, double sealing structure, make the safety reliability of valve body better; And flap guiding area is large, good anti-vibration, many springs of adapted diaphragm actuator, its compact structure, High power output, therefore, the utility model 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 pneumatic bellows modulating valve, comprise valve body, be located at the lower seal assembly of described valve body top, the controlling mechanism of being located at the upper black box of described lower seal assembly top and being located at described upper black box top.
Described valve body comprises cavity 1, is located at the interior valve seat 2 of described cavity 1, is located at the flap 3 in described valve seat 2 and the valve rod 4 of pegging graft described cavity 1 and being connected with flap 3, and the bottom of described flap 3 is tapered; The characteristics such as in the present embodiment, cavity is provided with inlet passage and outlet passage, and wherein, it is streamlined that inlet passage and outlet passage form S, has a droop loss little, and flow is large, and adjustable extent is wide.
Described lower seal assembly comprises bottom flange 5 and the bellows 6 of pegging graft with described bottom flange 5, and described bellows 6 is socketed on valve rod 4, and the outside, the bottom of described bellows 6 is provided with guide pin bushing 7; In the present embodiment, the lower seal assembly adopts corrugated tube sealing structure, can thoroughly eliminate the possibility of processing medium from the stem movement gap to external leakage.
Described upper black box comprise bonnet 8, with the interspersed guide rod 9 of described bonnet 8, be provided with filler 10 between described guide rod 9 and bonnet 8, described guide rod 9 is connected with valve rod 4; In the present embodiment, upper black box adopts packing seal structure, with the lower seal assembly, jointly adopts double sealing structure, further improves sealing effect, makes the safety reliability of its valve body better.
Described controlling mechanism comprises diaphragm type cylinder 11, supports the support 12 of described diaphragm type cylinder 11, and the flexible rod of described diaphragm type cylinder 11 is connected with guide rod 9; In the present embodiment, many springs of adapted diaphragm actuator, its compact structure, High power output.
Be provided with the first pad 13 between described bonnet 8 and bottom flange 5, be provided with the second pad 14 between described bottom flange 5 and cavity 1, design, make its compact structure like this, improves sealing effect.
After the utility model is mixed valve positioner, pneumatic valve is had control the function of throttling, it both can be for execute-in-place, again can remote-controlled operation, both can singlely control, and again can centralized control, be convenient to valve and realize automation; And, in the sealing pair damage, not needing, with changing whole equipment, only needs with changing the spool position, convenient and simple, cost-saving.
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 (3)
1. chlor-alkali pneumatic bellows modulating valve, is characterized in that, comprises valve body, is located at the lower seal assembly of described valve body top, the controlling mechanism of being located at the upper black box of described lower seal assembly top and being located at described upper black box top;
Described valve body comprises cavity (1), is located at the interior valve seat (2) of described cavity (1), is located at the flap (3) in described valve seat (2) and the valve rod (4) of pegging graft described cavity (1) and being connected with flap (3), and the bottom of described flap (3) is tapered;
Described lower seal assembly comprises bottom flange (5) and the bellows (6) of pegging graft with described bottom flange (5), and it is upper that described bellows (6) is socketed in valve rod (4), and the outside, bottom of described bellows (6) is provided with guide pin bushing (7);
Described upper black box comprise bonnet (8), with the interspersed guide rod (9) of described bonnet (8), be provided with filler (10) between described guide rod (9) and bonnet (8), described guide rod (9) is connected with valve rod (4);
Described controlling mechanism comprises diaphragm type cylinder (11), supports the support (12) of described diaphragm type cylinder (11), and the flexible rod of described diaphragm type cylinder (11) is connected with guide rod (9).
2. chlor-alkali according to claim 1 pneumatic bellows modulating valve, is characterized in that, between described bonnet (8) and bottom flange (5), is provided with the first pad (13).
3. chlor-alkali according to claim 1 pneumatic bellows modulating valve, is characterized in that, between described bottom flange (5) and cavity (1), is provided with the second pad (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320354038XU CN203322283U (en) | 2013-06-20 | 2013-06-20 | Chlor-alkali used adjusting valve with pneumatic corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320354038XU CN203322283U (en) | 2013-06-20 | 2013-06-20 | Chlor-alkali used adjusting valve with pneumatic corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322283U true CN203322283U (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320354038XU Expired - Fee Related CN203322283U (en) | 2013-06-20 | 2013-06-20 | Chlor-alkali used adjusting valve with pneumatic corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322283U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277526A (en) * | 2013-06-20 | 2013-09-04 | 江苏明江阀业有限公司 | Pneumatic bellows adjusting valve for chlor-alkali |
| CN105351536A (en) * | 2015-10-26 | 2016-02-24 | 无锡市圣科不锈钢气动自控阀门厂 | Pneumatic film adjusting valve |
| CN105443767A (en) * | 2014-08-06 | 2016-03-30 | 湖北泰和石化设备有限公司 | Deep refrigeration regulating valve with piston pressure self-sealing and positioning functions |
| CN110701320A (en) * | 2018-07-10 | 2020-01-17 | 奥塔玛株式会社 | Flow regulating stop valve for sanitation |
-
2013
- 2013-06-20 CN CN201320354038XU patent/CN203322283U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277526A (en) * | 2013-06-20 | 2013-09-04 | 江苏明江阀业有限公司 | Pneumatic bellows adjusting valve for chlor-alkali |
| CN105443767A (en) * | 2014-08-06 | 2016-03-30 | 湖北泰和石化设备有限公司 | Deep refrigeration regulating valve with piston pressure self-sealing and positioning functions |
| CN105443767B (en) * | 2014-08-06 | 2018-10-09 | 湖北泰和石化设备有限公司 | A kind of deep cooling regulating valve with piston pressure self sealss and positioning |
| CN105351536A (en) * | 2015-10-26 | 2016-02-24 | 无锡市圣科不锈钢气动自控阀门厂 | Pneumatic film adjusting valve |
| CN110701320A (en) * | 2018-07-10 | 2020-01-17 | 奥塔玛株式会社 | Flow regulating stop valve for sanitation |
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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 |