CN105333186B - Using the novel explosion venting valve of automatic control system - Google Patents
Using the novel explosion venting valve of automatic control system Download PDFInfo
- Publication number
- CN105333186B CN105333186B CN201510688621.8A CN201510688621A CN105333186B CN 105333186 B CN105333186 B CN 105333186B CN 201510688621 A CN201510688621 A CN 201510688621A CN 105333186 B CN105333186 B CN 105333186B
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- China
- Prior art keywords
- venting
- explosion
- pressure
- sealing cover
- guide rod
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention provides a kind of explosion venting valves comprising valve body and the automatic pressure control system being arranged on valve body realize quantitative adjusting compaction pressure and automatic controlling and monitoring compaction pressure by automatic gauge control.The explosion venting valve is used repeatedly, and can automatically reset, the leakage for preventing venting of dust explosion after-explosion energy and pollutant by realizing automatically controlling for venting pressure, injures and pollute caused by effective reduction subsequent explosion.
Description
Technical field
The present invention relates to petrochemical industry safety and environmental protection technical fields more particularly to a kind of using the novel of automatic control system
Explosion venting valve.
Background technology
When explosion venting valve is used for system overpressure, rupture disk rupture, moment pressure release, valve deck resets under the effect of gravity after bouncing,
It is primarily adapted for use in the industries such as petrochemical industry.For explosion venting valve, leakproofness is particularly significant, otherwise, after first time venting of dust explosion, by close
Envelope property is not tight or cannot automatically reset and still result in explosion energy or pollutant enters air, can cause the explosion of second of bigger
And pollution；The compaction pressure of explosion venting valve generally accurately cannot be adjusted freely simultaneously, can sometimes cause the damage of equipment, therefore,
A kind of technical solution is needed to solve the above problems.
Invention content
The present invention provides a kind of novel explosion venting valve using automatic control system, by the automatic control for realizing venting pressure
System, is used repeatedly, and can automatically reset, the leakage for preventing venting of dust explosion after-explosion energy and pollutant, effective to reduce
It injures and pollutes caused by subsequent explosion.
In order to solve the above technical problems, the present invention provides a kind of explosion venting valve comprising valve body and be arranged on valve body from
Dynamic pressure control system realizes that quantitative adjusting compaction pressure and automatic controlling and monitoring compress pressure by automatic gauge control
Power.
The venting pressure control system includes venting pressure control device, hydraulic device, pressure sensor apparatus and lets out
Detonation pressure counter force control installs hydraulic device and pressure sensor apparatus, venting pressure control on the venting pressure control device
Device processed is connected with venting pressure switch board, and the front end sleeve of hydraulic device is on the guide rod of explosion venting valve.
Further, the explosion venting valve further includes spool, flange, sealing cover, sealing ring, pilot hole, guide rod, stop nut
And holddown spring；
The holddown spring for realizing explosion venting valve sealing cover reset；
The sealing ring is for preventing explosion energy and pollutant from revealing.
The flange is arranged in the body base, and the flange is connect with spool, and the spool top is provided with sealing
Lid, the sealing cover are provided with sealing ring with spool contact surface, pilot hole are provided on the sealing cover, is set on the pilot hole
It is equipped with and wears the guide rod for passing perpendicularly through pilot hole, stop nut, the sealing cover and stop nut are provided on the guide rod
Between be provided with holddown spring, the holddown spring passes through guide rod and upper and lower ends are fixed with stop nut and sealing cover and connected
It connects.
Further, the guide rod is fixedly connected with flange.
Further, the guide rod is provided with screw thread, and the stop nut can be moved up and down along screw thread.
Further, it is provided with pressure mark post on the sealing cover.
The present invention also provides application of above-mentioned explosion venting valve during petrochemical industry is kept the safety in production.
Beneficial effects of the present invention：
By realizing that venting pressure automatically controls, it is used repeatedly, and can automatically reset, it is quick-fried after venting of dust explosion for preventing
The leakage of fried energy and pollutant is injured and is polluted caused by effective reduction subsequent explosion.
Description of the drawings
Fig. 1-main the diagram of venting of dust explosion valve arrangement；
Fig. 2-explosion venting valve vertical view.
Specific implementation mode
The present invention provides a kind of explosion venting valve comprising valve body and the automatic pressure control system being arranged on valve body, by certainly
Dynamic pressure Force control system realizes quantitative adjusting compaction pressure and automatic controlling and monitoring compaction pressure.
The venting pressure control system includes venting pressure control device, hydraulic device, pressure sensor apparatus and lets out
Detonation pressure counter force control installs hydraulic device and pressure sensor apparatus, venting pressure control on the venting pressure control device
Device processed is connected with venting pressure switch board, and the front end sleeve of hydraulic device is on the guide rod of explosion venting valve.
Further, the explosion venting valve further includes spool, flange, sealing cover, sealing ring, pilot hole, guide rod, stop nut
And holddown spring；
The holddown spring for realizing explosion venting valve sealing cover reset；
The sealing ring is for preventing explosion energy and pollutant from revealing.
The flange is arranged in the body base, and the flange is connect with spool, and the spool top is provided with sealing
Lid, the sealing cover are provided with sealing ring with spool contact surface, pilot hole are provided on the sealing cover, is set on the pilot hole
It is equipped with and wears the guide rod for passing perpendicularly through pilot hole, stop nut, the sealing cover and stop nut are provided on the guide rod
Between be provided with holddown spring, the holddown spring passes through guide rod and upper and lower ends are fixed with stop nut and sealing cover and connected
It connects.
Further, the guide rod is fixedly connected with flange.
Further, the guide rod is provided with screw thread, and the stop nut can be moved up and down along screw thread.
Further, it is provided with pressure mark post on the sealing cover.
The present invention also provides application of above-mentioned explosion venting valve during petrochemical industry is kept the safety in production.
Below using embodiment and attached drawing come the embodiment that the present invention will be described in detail, how skill is applied to the present invention whereby
Art means solve technical problem, and the realization process for reaching technique effect can fully understand and implement.
As depicted in figs. 1 and 2, the present invention relates to a kind of novel explosion venting valve using automatic control system, including valve body 1,
1 bottom of the valve body is provided with flange 2, and the flange 2 is connect with spool 3, and 3 top of the spool is provided with sealing cover 4, described
Sealing cover 4 is provided with sealing ring 5 with 3 contact surface of spool, and pilot hole 6 is provided on the sealing cover 4, is set on the pilot hole 6
It is equipped with and wears the guide rod 7 for passing perpendicularly through pilot hole 6, stop nut 8, the sealing cover 4 and limit are provided on the guide rod 7
Holddown spring 9 is provided between nut 8, the holddown spring 9 is across guide rod 7 and upper and lower ends and stop nut 8 and sealing
Lid 4 is fixedly connected.
The guide rod 7 is fixedly connected with flange 2.
The guide rod 7 is provided with screw thread, and stop nut 8 can be moved up and down along screw thread.
Pressure mark post 10 is provided on the sealing cover 4.
It is provided with venting pressure control device 11 on the valve body 1, hydraulic pressure dress is provided on venting pressure control device 11
12 and pressure sensor 13 are set, venting pressure control device 11 is connect with venting pressure switch board 14,12 front end sleeve of hydraulic device
On guide rod 7.
In use, flange 2 is connect with explosion venting device, then adjustment compaction pressure as needed, when adjustment, rotary stopper
Nut 8, since guide rod 7 has screw thread, stop nut 8 can be rotated to be moved up and down along screw thread, sealing cover 4 and stop nut 8
Between be provided with holddown spring 9, holddown spring 9 passes through guide rod 7 and upper and lower ends are fixed with stop nut 8 and sealing cover 4 and connected
It connects, venting pressure control device 11 is provided on valve body 1, hydraulic device 12 and pressure are provided on venting pressure control device 11
Sensor 13, venting pressure control device 11 are connect with venting pressure switch board 14, and 12 front end sleeve of hydraulic device is in guide rod 7
On, the length of holddown spring 9 can be adjusted by hydraulic device 12, and so as to adjust venting pressure, pressure is provided on sealing cover 4
The length of mark post 10, holddown spring 9 corresponds to certain pressure, can intuitively find out from pressure mark post 10, while can be in venting of dust explosion
Remote control and long-range monitoring on pressure switch board 14, to the purpose realized quantitative adjusting compaction pressure He automatically controlled.
When venting of dust explosion action occurs, Opening pressure makes sealing cover up move, and to oppress holddown spring 9, compresses bullet
The compaction pressure of spring 9 increases suddenly, then pushes sealing cover 4 and is moved to 3 direction of spool, and venting of dust explosion finishes, and sealing cover 4 can compress
It is contacted again with spool 3 under the compaction pressure effect of spring 9, since the effect and setting of holddown spring 9 are in sealing cover 4 and spool
Under the sealing function of sealing ring 5 between 3 contact surfaces, the effect for resetting and preventing explosion energy and pollutant from revealing is realized.
All above-mentioned this intellectual properties of primarily implementation, there is no this new products of implementation of setting limitation other forms
And/or new method.Those skilled in the art will utilize this important information, the above modification, to realize similar execution feelings
Condition.But all modifications or transformation belong to the right of reservation based on new product of the present invention.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, according to the technical essence of the invention to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (5)
1. a kind of explosion venting valve, it is characterised in that：Including valve body and the venting pressure control system being arranged on valve body, pass through venting of dust explosion
Control pressurer system realizes quantitative adjusting compaction pressure and automatic controlling and monitoring compaction pressure；
The venting pressure control system includes venting pressure control device, hydraulic device, pressure sensor apparatus and venting of dust explosion pressure
Counter force control installs hydraulic device and pressure sensor apparatus, venting pressure control dress on the venting pressure control device
It sets and is connected with venting pressure switch board, the front end sleeve of hydraulic device is on the guide rod of explosion venting valve；
The explosion venting valve further includes spool, flange, sealing cover, sealing ring, pilot hole, guide rod, stop nut and holddown spring；
The holddown spring for realizing explosion venting valve sealing cover reset；
The sealing ring is for preventing explosion energy and pollutant from revealing；
The flange is arranged in the body base, and the flange is connect with spool, and the spool top is provided with sealing cover, institute
It states sealing cover and spool contact surface is provided with sealing ring, pilot hole is provided on the sealing cover, is provided on the pilot hole
The guide rod of pilot hole is passed perpendicularly through, stop nut is provided on the guide rod, is set between the sealing cover and stop nut
It is equipped with holddown spring, the holddown spring passes through guide rod and upper and lower ends are fixedly connected with stop nut and sealing cover.
2. explosion venting valve as described in claim 1, it is characterised in that：The guide rod is fixedly connected with flange.
3. explosion venting valve as claimed in claim 1 or 2, it is characterised in that：The guide rod is provided with screw thread, the stop nut
It can be moved up and down along screw thread.
4. explosion venting valve as claimed in claim 1 or 2, it is characterised in that：Pressure mark post is provided on the sealing cover.
5. application of Claims 1-4 any one of them explosion venting valve in petrochemical industry safety in production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510688621.8A CN105333186B (en) | 2015-10-21 | 2015-10-21 | Using the novel explosion venting valve of automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510688621.8A CN105333186B (en) | 2015-10-21 | 2015-10-21 | Using the novel explosion venting valve of automatic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105333186A CN105333186A (en) | 2016-02-17 |
| CN105333186B true CN105333186B (en) | 2018-08-21 |
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ID=55283885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510688621.8A Active CN105333186B (en) | 2015-10-21 | 2015-10-21 | Using the novel explosion venting valve of automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333186B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519031B (en) * | 2018-04-20 | 2023-07-21 | 南京航空航天大学 | Explosion venting structure with dual explosion venting functions |
| CN113958738B (en) * | 2021-10-13 | 2023-10-24 | 广东恒益数智科技有限公司 | Comprehensive pipe rack convenient for explosion venting of gas pipe and use method thereof |
| CN115059788B (en) * | 2022-08-18 | 2023-09-29 | 吴江天吴特种安全阀有限公司 | Emergency relief valve with high safety |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2642735Y (en) * | 2003-09-25 | 2004-09-22 | 朱耀平 | Leading and automatically operating type explosion-proof door |
| CN200996336Y (en) * | 2006-12-19 | 2007-12-26 | 胜利油田胜利动力机械有限公司 | Self-resetting explosion-proof gate |
| CN202613044U (en) * | 2012-05-23 | 2012-12-19 | 薛道成 | Automatic opening and closing type safe pressure relief explosion-proof device |
| CN102996872A (en) * | 2012-10-29 | 2013-03-27 | 南通原亚精密机械有限公司 | Explosion venting valve capable resetting automatically |
| CN104645535A (en) * | 2013-11-17 | 2015-05-27 | 盐城市瑞恒电力石化设备制造有限公司 | Intelligent fire-fighting pressure-release explosion relief valve |
| CN203906919U (en) * | 2014-04-30 | 2014-10-29 | 扬州琼花涂装工程技术有限公司 | An explosion venting valve |
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2015
- 2015-10-21 CN CN201510688621.8A patent/CN105333186B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105333186A (en) | 2016-02-17 |
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