CN202613044U - Automatic opening and closing type safe pressure relief explosion-proof device - Google Patents
Automatic opening and closing type safe pressure relief explosion-proof device Download PDFInfo
- Publication number
- CN202613044U CN202613044U CN 201220233966 CN201220233966U CN202613044U CN 202613044 U CN202613044 U CN 202613044U CN 201220233966 CN201220233966 CN 201220233966 CN 201220233966 U CN201220233966 U CN 201220233966U CN 202613044 U CN202613044 U CN 202613044U
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- short circuit
- flange short
- guide rod
- valve gap
- flange
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses an automatic opening and closing type safe pressure relief explosion-proof device, and belongs to the technical field of a safety protection device. The automatic opening and closing type safe relief explosion-proof device can effectively avoid accidents of equipment containing inflammable and explosive medium, equipment damage and fires. The technical scheme is that the automatic opening and closing safe pressure relief explosion-proof device comprises a valve cover, guide rods, a middle guide rod, a cross, a returning spring, a flange short-joint and a gas storage container. One end of the flange short-joint is fixed on the gas storage container through a flange, the opening portion of the other end of the flange short-joint is provided with a plurality of sealing grooves, a sealing ring is arranged inside the sealing groove in a corresponding mode, the valve cover presses the sealing plane of the flange short-joint, and the four guide rods are symmetrically arranged on the edge of the valve cover. The automatic opening and closing type safe pressure relief explosion-proof device can be widely applied to explosion-proof devices.
Description
Technical field
The utility model belongs to the Safeguard technical field from open-close type safety relief flameproof apparatus.
Background technique
All be provided with explosion proof door in existing colliery, thermal power plant, chemical plant, the totally enclosed type air cooling cooling tower system.And inflammable and explosive storage and speciality is the most special in numerous materials, if deal with the phenomenon of catching fire of very easily blasting improperly.
At present colliery, thermal power plant, chemical plant employed safety relief flameproof apparatus ubiquity sealing effect are poor, often misoperation, and Initiation Pressure such as can not regulate accurately at great knotty problem, has had a strong impact on production.
Patent announcement number is that 03269997 utility model patent is put forward a kind of guide's automatic open-close type explosion vent apparatus of arch.This explosion proof door uses the spring force effect of magnetic force adjustable between magnetic suction disc and the accessory sucker and return guide rod, piston-cylinder cylinder body etc., realizes the automatic unlatching and the closure of valve gap, and this model utility is opening when quick-fried; The valve gap opening speed that weight is extremely light is fast, and venting of dust explosion is thorough, and no secondary fires phenomenon; Valve gap self-return behind the venting of dust explosion; The cushioning balance effect resets accurately valve gap, and the guide who installs opens actuator and can carry out venting of dust explosion in advance, makes equipment safer.But the maximum shortcoming of this device is: sealing effect is poor, leaks seriously, adopts sealing together can not seal the explosion hazard gases of operation under the HTHP at all, has a strong impact on production and not environmental protection.Often report by mistake, sometimes normal operation is detonated suddenly down, brings sizable harm for production and attendant.
The model utility content
The utility model has overcome the deficiency that existing technology exists, and provides a kind of and can prevent effectively that the equipment that inflammable and explosive medium is housed from meeting accident, avoid device damage and fire from open-close type safety relief flameproof apparatus.
In order to solve the problems of the technologies described above; The technological scheme that the utility model adopts is: from open-close type safety relief flameproof apparatus; Comprise valve gap, guide rod, middle guide rod, cross, Returnning spring, flange short circuit and air container; One end of flange short circuit is fixed on the air container through flange, and the opening of the flange short circuit the other end has a plurality of seal grooves, and equal correspondence is equipped with seal ring in each seal groove; Valve gap is pressed on the sealing plane of flange short circuit, and the edge of valve gap is symmetrically arranged with four guide plates;
The pilot hole that four guide rods all pass corresponding guide plate is vertically fixed on the flange short circuit, and cross is fixed on the top of guide rod, and the middle position of said cross is equipped with the main sucker that the center has through hole, is fixed with permanent magnet on the main sucker;
Middle guide rod is vertically fixed on the center of valve gap, said in the middle of the termination of guide rod pass the back from the center of main sucker it be equipped with accessory sucker, said accessory sucker contacts with the surface of main sucker;
Returnning spring is installed between the main sucker and valve gap of middle guide rod.
Described accessory sucker is installed on the screw rod at middle guide rod top through transferring the power nut.
The cooperation place of said flange short circuit and valve gap is a cone match, has the seal groove that twice are equipped with first seal ring on the cooperation conical surface of flange short circuit, has the seal groove that second seal ring is installed together on the top plan of flange short circuit.
The cross section of said second seal ring is " Y " shape.。
The utility model compared with prior art has following beneficial effect.
1, when pretightening force that container inner pressure surpass to be set, the utility model can be opened pressure release rapidly, and self-cocking action, self-return when making it reach safe running state, have prevented that air from pouring in down a chimney, and have avoided the secondary detonation of system.
2, the utility model adopts conical surface two pass with the horizontal plane sealing technique; Good sealing effect had both solved explosion proof door leakiness problem, had overcome external some product sealing again and need give tight power; And the conflicting difficult problem of detonation pressure power accuracy is opened in influence, and durability is strong simultaneously.
3, the utility model have a power failure, stop the supple of gas or steam at all system and the state of cutting off the water under; All can keep normal working and auto-reset function; And the utility model has adopted spring and the magnetic force pretension combines, the magnetic pretightening force is adjustable mode; Make that to open detonation pressure power accurately adjustable, and it is reliable, safe and reliable to be active in one's movements.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further explanation.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the partial enlarged drawing of A among Fig. 1.
Fig. 3 is the partial enlarged drawing of B among Fig. 1.
Among the figure, 1 is that valve gap, 2 is that guide rod, 3 is that middle guide rod, 4 is that cross, 5 is that Returnning spring, 6 is that first seal ring, 7 is that flange short circuit, 8 is that air container, 9 is that main sucker, 10 is that permanent magnet, 11 is that accessory sucker, 12 is that guide plate, 13 is that accent power nut, 14 is second seal ring.
Embodiment
Like Fig. 1-shown in Figure 3; The utility model comprises valve gap 1, guide rod 2, middle guide rod 3, cross 4, Returnning spring 5, flange short circuit 7 and air container 8 from open-close type safety relief flameproof apparatus, and an end of flange short circuit 7 is fixed on the air container 8 through flange; The opening of flange short circuit 7 the other ends has a plurality of seal grooves; Equal correspondence is equipped with seal ring in each seal groove, and valve gap 1 is pressed on the sealing plane of flange short circuit 7, and the edge of valve gap 1 is symmetrically arranged with four guide plates 12;
The pilot hole that four guide rods 2 all pass corresponding guide plate 12 is vertically fixed on the flange short circuit 7; Cross 4 is fixed on the top of guide rod 2; The middle position of said cross 4 is equipped with the main sucker 9 that the center has through hole, is fixed with permanent magnet 10 on the main sucker 9;
Returnning spring 5 is installed between the main sucker 9 and valve gap 1 of middle guide rod 3.
Described accessory sucker 11 is installed on the screw rod at middle guide rod 3 tops through transferring power nut 13.
Said flange short circuit 7 is a cone match with the cooperation place of valve gap 1, has the seal groove that twice are equipped with first seal ring 6 on the cooperation conical surface of flange short circuit 7, has the seal groove that second seal ring 14 is installed together on the top plan of flange short circuit 7.
The cross section of said second seal ring 14 is " Y " shape.
In the utility model, valve gap 1 adopts rigidity ultralight cover plate technology, and reliable and stable, antifatigue, durability are high, and the life-span is long.
When pressure release is detonated; Accessory sucker 11 is along with valve gap 1, middle guide rod 3 compression reseting springs 5 detonate; Lean on the spring-back force of Returnning spring 5 and the magnetic force of permanent magnet 10 to come the return pretension when resetting; Realize the automatic unlatching and the closure of valve gap 1, entire mechanism becomes one, and prevents that effectively inflammable medium from causing device damage.
The utility model pressure release is opened when quick-fried, and valve gap 1 opening speed that weight is extremely light is fast, and venting of dust explosion is thorough, and no secondary fires phenomenon, valve gap 1 self-return behind the venting of dust explosion, and the cushioning balance effect resets accurately valve gap 1.
The working procedure of the utility model is: when air container 8 internal pressures reach the pretightening force of setting; Guide rod 3, upwards action of accessory sucker 11 in the middle of valve gap 1 drives, thorough venting of dust explosion is after release pressure makes it reach setting value; Under the effect of Returnning spring 5 spring-back forces; Realize valve gap 1 return, when arriving the return value, add magnetic force, make its pretightening force reach initial value.
The utility model venting of dust explosion speed is fast, and venting of dust explosion speed is 30～60 times of gravity type explosion proof door, and its moving element is less than 20kg/m
2, be superior among the USS United States Standard 68F/69F less than 25kg/m
2Requirement.
The utility model is widely used in the occasion that various sealings store material, and is universal better, satisfies in the various sealed storage processes.
The above only is the preferable case study on implementation of the utility model, is not that the utility model is done any pro forma restriction, anyly is familiar with the professional and technical personnel, all can on the basis that does not break away from the utility model, make various variations.
Claims (4)
1. from open-close type safety relief flameproof apparatus; Comprise valve gap (1), guide rod (2), middle guide rod (3), cross (4), Returnning spring (5), flange short circuit (7) and air container (8); It is characterized in that: an end of flange short circuit (7) is fixed on the air container (8) through flange; The opening of flange short circuit (7) the other end has a plurality of seal grooves; Equal correspondence is equipped with seal ring in each seal groove, and valve gap (1) is pressed on the sealing plane of flange short circuit (7), and the edge of valve gap (1) is symmetrically arranged with four guide plates (12);
The pilot hole that four guide rods (2) all pass corresponding guide plate (12) is vertically fixed on the flange short circuit (7); Cross (4) is fixed on the top of guide rod (2); The middle position of said cross (4) is equipped with the main sucker (9) that the center has through hole, is fixed with permanent magnet (10) on the main sucker (9);
Middle guide rod (3) is vertically fixed on the center of valve gap (1), said in the middle of the termination of guide rod (3) pass the back from the center of main sucker (9) it be equipped with accessory sucker (11), said accessory sucker (11) contacts with the surface of main sucker (9);
Returnning spring (5) is installed between the main sucker (9) and valve gap (1) of middle guide rod (3).
2. according to claim 1 from open-close type safety relief flameproof apparatus, it is characterized in that: described accessory sucker (11) is installed on the screw rod at middle guide rod (3) top through accent power nut (13).
3. according to claim 1 and 2 from open-close type safety relief flameproof apparatus; It is characterized in that: said flange short circuit (7) is a cone match with the cooperation place of valve gap (1); Have the seal groove that twice are equipped with first seal ring (6) on the cooperation conical surface of flange short circuit (7), have the seal groove that second seal ring (14) are installed together on the top plan of flange short circuit (7).
4. according to claim 3 from open-close type safety relief flameproof apparatus, it is characterized in that: the cross section of said second seal ring (14) is " Y " shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220233966 CN202613044U (en) | 2012-05-23 | 2012-05-23 | Automatic opening and closing type safe pressure relief explosion-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220233966 CN202613044U (en) | 2012-05-23 | 2012-05-23 | Automatic opening and closing type safe pressure relief explosion-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202613044U true CN202613044U (en) | 2012-12-19 |
Family
ID=47346742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220233966 Expired - Fee Related CN202613044U (en) | 2012-05-23 | 2012-05-23 | Automatic opening and closing type safe pressure relief explosion-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202613044U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390479A (en) * | 2014-10-20 | 2015-03-04 | 何本科 | Explosion protection device of smelting furnace |
| CN104676246A (en) * | 2015-02-05 | 2015-06-03 | 北京理工大学 | Superconducting automatic opening and closing type pressure releasing explosion-proof door |
| CN105333186A (en) * | 2015-10-21 | 2016-02-17 | 中国石油化工股份有限公司 | Novel explosion venting valve with automatic control system |
| CN105627083A (en) * | 2016-01-08 | 2016-06-01 | 长沙鹏跃五洋信息科技有限公司 | Anti-explosion high-pressure storage tank |
| CN105650470A (en) * | 2016-01-08 | 2016-06-08 | 长沙鹏跃五洋信息科技有限公司 | Anti-explosion pressure-relief device |
| CN106523751A (en) * | 2016-12-29 | 2017-03-22 | 哈尔滨金源伟业环保科技有限公司 | Explosion-proof device of oil field oily sludge treatment equipment |
| CN106763946A (en) * | 2016-12-05 | 2017-05-31 | 北京理工大学 | Extinguishing flame delay-self-closing pressure-relief explosion-proof door |
| CN107345587A (en) * | 2017-06-16 | 2017-11-14 | 锐驰恩科技（大连）有限公司 | It is a kind of to open and close explosion-proof decompression device certainly |
| CN107420606A (en) * | 2017-06-27 | 2017-12-01 | 中煤科工集团重庆研究院有限公司 | Reciprocating fire-retardant pressure relief device |
-
2012
- 2012-05-23 CN CN 201220233966 patent/CN202613044U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390479A (en) * | 2014-10-20 | 2015-03-04 | 何本科 | Explosion protection device of smelting furnace |
| CN104676246A (en) * | 2015-02-05 | 2015-06-03 | 北京理工大学 | Superconducting automatic opening and closing type pressure releasing explosion-proof door |
| CN105333186A (en) * | 2015-10-21 | 2016-02-17 | 中国石油化工股份有限公司 | Novel explosion venting valve with automatic control system |
| CN105627083A (en) * | 2016-01-08 | 2016-06-01 | 长沙鹏跃五洋信息科技有限公司 | Anti-explosion high-pressure storage tank |
| CN105650470A (en) * | 2016-01-08 | 2016-06-08 | 长沙鹏跃五洋信息科技有限公司 | Anti-explosion pressure-relief device |
| CN106763946A (en) * | 2016-12-05 | 2017-05-31 | 北京理工大学 | Extinguishing flame delay-self-closing pressure-relief explosion-proof door |
| CN106523751A (en) * | 2016-12-29 | 2017-03-22 | 哈尔滨金源伟业环保科技有限公司 | Explosion-proof device of oil field oily sludge treatment equipment |
| CN107345587A (en) * | 2017-06-16 | 2017-11-14 | 锐驰恩科技（大连）有限公司 | It is a kind of to open and close explosion-proof decompression device certainly |
| CN107420606A (en) * | 2017-06-27 | 2017-12-01 | 中煤科工集团重庆研究院有限公司 | Reciprocating fire-retardant pressure relief device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20140523 |