CN101555947A - Gas cutting and water sealing device - Google Patents
Gas cutting and water sealing device Download PDFInfo
- Publication number
- CN101555947A CN101555947A CNA2008100495047A CN200810049504A CN101555947A CN 101555947 A CN101555947 A CN 101555947A CN A2008100495047 A CNA2008100495047 A CN A2008100495047A CN 200810049504 A CN200810049504 A CN 200810049504A CN 101555947 A CN101555947 A CN 101555947A
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- water
- valve
- shell body
- lower shell
- sealing device
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Abstract
The invention relates to a cutting and water sealing device for a pipeline, in particular to a cutting and water sealing device suitable for a gas pipeline, comprising an upper casing and a lower casing. The upper casing and the lower casing are internally provided with a water sealing cavity; the upper casing is connected with a bracket on which a valve drive device is arranged; the upper casing is connected with a water injection pipe and a dispersing pipe; the lower casing is internally provided with a shutter in which a kettle column and a pillar are arranged; the upper end of the kettle column is connected with a drive screw rod which is connected with the valve drive device; the shutter is provided with a sealing ring; a transverse beam is arranged below the pillar; and the lower casing is provided with a drain pipe; and the upper part of the water sealing cavity in the lower casing is provided with a guide rib. The invention can reduce the frication of the sealing ring and the valve body, thereby prolonging the service life of the sealing ring.
Description
Technical field
The present invention relates to a kind of cut-out and water seal arrangement of pipeline, relate in particular to a kind of cut-out water seal arrangement that is applicable to gas pipe line.
Background technique
At present, the pipeline shut-off means of conveying coal gas has butterfly valve to add water seal in the metallurgical production, butterfly valve is inserted plate valve, glasses valve etc.The patent No. that the applicant applied on October 13rd, 2000: 00232171.8 model utility discloses a kind of valve that is applicable to gas pipeline, a kind of valve can replace two valve kinds, it comprises valve body assembly, valve rod, the axe post that is connected with valve rod, the valve plate of suit on the axe post, the valve of this structure have solved other valves in opening-closing process, since the seal ring friction on valve body and the valve plate, and the tangential tearing of seal ring that takes place causes the sealing surface of valve plate damage to cause the situation of gas leakage.This model utility though can not make the seal ring tearing, still produces friction because the seal ring on the flashboard still contacts with valve body in opening-closing process, also can reduce the working life and the sealing effect of seal ring.
Summary of the invention
The purpose of this invention is to provide a kind of gas cutting and water sealing device, it can reduce the friction of seal ring and valve body, thereby improves the working life of seal ring, and gas cutting and water seal are united use, thereby the realization double seal has guaranteed that the absolute zero of valve export end coal gas is leaked.
For solving the problems of the technologies described above, the present invention includes: in upper shell and the lower shell body, upper shell and lower shell body is water-tight cavity, upper shell is connected with support, establishes valve actuator on the support, and upper shell connects water injecting pipe and exhaust stack, establish flashboard in the lower shell body, establish axe post and pillar in the flashboard, axe post upper end connects the driving screw mandrel, drives screw mandrel and is connected with valve actuator, establish seal ring on the flashboard, crossbeam is established in the pillar below, establishes waste pipe on the lower shell body, and the guiding rib is established on the water-tight cavity top in the lower shell body.
Valve actuator is the rising stem valve door drive.
Waste pipe is connected with base plate, and base plate is connected with lower shell body.
Drive on the screw mandrel and establish the double end trapezoidal thread.
The present invention is provided with the guiding rib in lower shell body, make seal ring on the flashboard when gas cutting and water sealing device opens and closes and the lower shell body of valve break away from, thereby reduced the friction of seal ring and valve body, improved the working life and the sealing effect of seal ring.Simultaneously, because valve actuator is the rising stem valve door drive, makes to drive on the leading screw can not attach the dirt that coal gas brings, and then influence the keying of gas cutting and water sealing device.And waste pipe is connected with lower shell body by base plate, is convenient to dirt is discharged in lower shell body.
Description of drawings
The plan view that Fig. 1 dissects for office of the present invention.
Fig. 2 is the right elevation of Fig. 1 biopsy cavity marker devices.
Fig. 3 is sectional view of the present invention and the valve pipeline schematic representation that is connected with water injecting pipe of the present invention, exhaust stack, waste pipe.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3 the present invention includes: interconnected upper shell 1 and lower shell body 2, and the cavity that forms in upper shell and the lower shell body is water-tight cavity 12, upper and lower casing forms by the steel casting, and links together by bolt.The top of upper shell is a connecting cylinder 16, connecting cylinder top welded flange 17.Flange center has through hole.Support 3 is the two ends welded flange, and the diameter of bottom has access panel greater than the steel cylinder of upper diameter on the steel cylinder wall of support bottom.The top of support connects rising stem valve door drive 4 by flange, and the bottom of support is connected with upper shell by flange.The rising stem valve door drive is to drive screw mandrel in the prior art to stretch out many revolutions Electric actuator outside the valve actuator.Valve actuator also can adopt the valve actuator of other types in the prior art.The through hole of flange center is passed in the upper end that drives screw mandrel 9, stretch out upper shell and be connected with the rising stem valve door drive, the lower end that the drives screw mandrel contiguous block 21 that is threaded, contiguous block welds with axe post 7, the top car that drives screw mandrel has the double end trapezoidal thread, and the bottom is a polished rod.The top of rising stem valve door drive connects guard shield 23, and is dustproof for driving screw mandrel.Drive the placed around asbestos packing 18 of screw mandrel in the connecting cylinder, the top of connecting cylinder links together the gland 19 of center drilling and the flange on the connecting cylinder by bolt.Drive screw mandrel and pass from the hole on the gland, the effect of gland is to prevent that asbestos packing breaks away from the driving screw mandrel when driving the screw mandrel rotation.The top welding water injecting pipe 5 and the exhaust stack 20 of upper shell.By water filling hole water filling in water-tight cavity of water injecting pipe, after fills with water in the water-tight cavity 12, make gas cutting and water seal synergy, realize that double seal has guaranteed the absolute zero leakage of valve export end coal gas.Exhaust stack is used for outside the gas discharge valve in the water-tight cavity.Seal ring 10 is established in the outside that the interior inboard of placing middle suit axe post 7 of two blocks of parallel flashboard 6, two shoe brake plates and pillar 8, two shoe brake plates of lower shell body is equipped with voussoir 22, the two shoe brake plates that cooperate with the axe post.Crossbeam 11 is established in the below of pillar, and when flashboard dropped to lowest part, the pillar of suit can push up crossbeam in the flashboard, plays spacing effect.Water-tight cavity top welding guiding rib 13 in the lower shell body, the guiding rib is at the forward and backward steel fin that is symmetrically welded of the sidewall on lower shell body top.The bottom of fin is domatic.Waste pipe 14 and base plate 15 welding, base plate is connected by bolt with lower shell body.
The present invention needs water injecting pipe is connected water injection valve 24 and nitrogen purge valve 25 by threeway before use, and valve 26 is diffused in the exhaust stack connection, and waste pipe connects drain valve 27.When unlatching is of the present invention, at first closing water injection valve opens and diffuses valve, open drain valve then and begin draining, close drain valve after water in the water-tight cavity discharged fully, then open nitrogen purge valve, air in the water-tight cavity is purged totally fully, close and diffuse valve and nitrogen purge valve, the Open valve drive unit makes to drive the screw mandrel rotation, and then drive the axe post segment distance that rises, before flashboard touches, behind the guiding rib of back symmetry, the flashboard of both sides is held the axe post tightly to the inside along the guiding rib, makes the sealing surface disengaging of seal ring and lower shell body on the flashboard, thereby reduced the invalid friction of sealing surface, prolonged the working life of seal ring, then driven screw mandrel and drive axe post continuation rising, moving double-flashboard of axe cornice and pillar rise, flashboard breaks away from runner fully, and valve is opened fully.Close when of the present invention, Open valve drive unit at first, make and drive the screw mandrel rotation, thereby drive the axe post, pillar, double-flashboard falls, when pillar touches crossbeam, double-flashboard falls to putting in place, valve rod and axe post continue to fall then, by axe post and voussoir effect, make double-flashboard in the horizontal direction left along the pillar upper-end surface, right two side shiftings are with the rubber seal on the two shoe brake plates and the sealing surface compact of lower shell body, thereby piped gas is cut off, open at last and diffuse valve and water injection valve, after water level reaches water seal height, close water injection valve, thereby realized that flashboard is to gas cutting and water seal double seal to the water-tight cavity water filling.Simultaneously, because the present invention has adopted the rising stem valve door drive, make to drive on the leading screw can not attach the dirt that coal gas brings, and then influence the keying of gas cutting and water sealing device.And waste pipe is connected with lower shell body by base plate, is convenient to dirt is discharged in housing.
Claims (4)
1. gas cutting and water sealing device, comprise upper shell (1) and lower shell body (2), in upper shell and the lower shell body is water-tight cavity (12), upper shell is connected with support (3), establish valve actuator on the support, upper shell connects water injecting pipe (5) and exhaust stack (20), establish flashboard (6) in the lower shell body, establish axe post (7) and pillar (8) in the flashboard, axe post upper end connects driving screw mandrel (9), drives screw mandrel and is connected with valve actuator, establish seal ring (10) on the flashboard, crossbeam (11) is established in the pillar below, establishes waste pipe (14) on the lower shell body, it is characterized in that: guiding rib (13) is established on the water-tight cavity top in the described lower shell body.
2. gas cutting and water sealing device according to claim 1 is characterized in that: described valve actuator is rising stem valve door drive (4).
3. gas cutting and water sealing device according to claim 1 and 2 is characterized in that: described waste pipe (14) is connected with base plate (15), and base plate is connected with lower shell body.
4. gas cutting and water sealing device according to claim 1 and 2 is characterized in that: establish the double end trapezoidal thread on the described driving screw mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100495047A CN101555947B (en) | 2008-04-07 | 2008-04-07 | Gas cutting and water sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100495047A CN101555947B (en) | 2008-04-07 | 2008-04-07 | Gas cutting and water sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101555947A true CN101555947A (en) | 2009-10-14 |
| CN101555947B CN101555947B (en) | 2012-01-18 |
Family
ID=41174175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100495047A Expired - Fee Related CN101555947B (en) | 2008-04-07 | 2008-04-07 | Gas cutting and water sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101555947B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207202A (en) * | 2011-05-18 | 2011-10-05 | 吉卫星 | Horizontal gas separation device |
| CN102606756A (en) * | 2012-02-28 | 2012-07-25 | 阳泉阀门股份有限公司 | Hydraulic self-driven double-gate disc gas gate valve |
| CN102606757A (en) * | 2012-02-28 | 2012-07-25 | 阳泉阀门股份有限公司 | Double-drive single-gate-disc gas gate valve |
| CN105179723A (en) * | 2015-06-15 | 2015-12-23 | 秦皇岛中青冶金阀门有限公司 | Air seal double-gate-disc brake valve |
| CN105257847A (en) * | 2015-11-25 | 2016-01-20 | 无锡山川环保机械有限公司 | Manual gate valve |
| CN113375332A (en) * | 2021-05-18 | 2021-09-10 | 青岛海尔空调器有限总公司 | A dismouting structure for air conditioner |
-
2008
- 2008-04-07 CN CN2008100495047A patent/CN101555947B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207202A (en) * | 2011-05-18 | 2011-10-05 | 吉卫星 | Horizontal gas separation device |
| CN102606756A (en) * | 2012-02-28 | 2012-07-25 | 阳泉阀门股份有限公司 | Hydraulic self-driven double-gate disc gas gate valve |
| CN102606757A (en) * | 2012-02-28 | 2012-07-25 | 阳泉阀门股份有限公司 | Double-drive single-gate-disc gas gate valve |
| CN102606757B (en) * | 2012-02-28 | 2015-01-07 | 阳泉阀门股份有限公司 | Double-drive single-gate-disc gas gate valve |
| CN102606756B (en) * | 2012-02-28 | 2015-01-07 | 阳泉阀门股份有限公司 | Hydraulic self-driven double-gate disc gas gate valve |
| CN105179723A (en) * | 2015-06-15 | 2015-12-23 | 秦皇岛中青冶金阀门有限公司 | Air seal double-gate-disc brake valve |
| CN105179723B (en) * | 2015-06-15 | 2017-12-26 | 秦皇岛中青冶金阀门有限公司 | A kind of sealing gland double-flashboard gate valve |
| CN105257847A (en) * | 2015-11-25 | 2016-01-20 | 无锡山川环保机械有限公司 | Manual gate valve |
| CN113375332A (en) * | 2021-05-18 | 2021-09-10 | 青岛海尔空调器有限总公司 | A dismouting structure for air conditioner |
| CN113375332B (en) * | 2021-05-18 | 2022-07-05 | 重庆海尔空调器有限公司 | A dismouting structure for air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101555947B (en) | 2012-01-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20120118 |