CN104633198A - Explosion-proof safety relief valve - Google Patents
Explosion-proof safety relief valve Download PDFInfo
- Publication number
- CN104633198A CN104633198A CN201510105301.5A CN201510105301A CN104633198A CN 104633198 A CN104633198 A CN 104633198A CN 201510105301 A CN201510105301 A CN 201510105301A CN 104633198 A CN104633198 A CN 104633198A
- Authority
- CN
- China
- Prior art keywords
- upper cover
- pressure relief
- relief opening
- cover plate
- valve seat
- 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.)
- Pending
Links
Classifications
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- 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
-
- 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
- F16K49/00—Means in or on valves for heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an explosion-proof safety relief valve, which comprises a valve seat with a pressure relief opening at the center, and an upper cover plate, wherein the valve seat is fixedly connected with the upper cover plate through a bolt and a nut, and an accommodating cavity is defined by the valve seat and the upper cover plate; a sealing plate capable of sealing the pressure relief opening is arranged in the accommodating cavity, and a positioning pin is arranged between the sealing plate and the upper cover plate; a spring sleeves the outer side of the positioning pin. The sealing plate is arranged at the pressure relief opening, and the spring applies pressure to the sealing plate, so that the pressure relief opening is sealed; when the pressure in an air inlet pipeline is increased to the opening pressure, the force applying effect of the spring on the sealing plate is reduced, so that a burned gas mixture is exhausted out of the pressure relief opening; meanwhile, by utilizing the cooling function of fire-extinguishing fins, the temperature of the burned gas is reduced to below the burning point, so that the fire-extinguishing function is realized, and the risk of explosion caused by open fire is avoided.
Description
Technical field
The present invention relates to technical field of engines, especially relate to a kind of anti-explosion safety Decompression valves.
Background technique
Development recent years of combustion gas explosive motor is very fast, and general combustion gas explosive motor mainly adopts air inlet pre-mixing concepts, so be filled with flammable mixed gas in air inlet pipeline, potential safety hazard is also very outstanding.Once there is air inlet pipeline gas leakage, tempering or other factors, flammable mixed gas is ignited, then even can blast by vigorous combustion in air inlet pipeline, the pressure in suction tude is caused sharply to raise, damage closure, air inlet pipeline, intercooler and pressurized machine etc., all may cause serious danger, even occur the accident of casualties.
Summary of the invention
Based on this, be necessary for the deficiencies in the prior art, a kind of anti-explosion safety Decompression valves of quick release pressure when there is the pressure jump that tempering, blast or other factors cause in combustion gas explosive motor air inlet pipeline is provided.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of anti-explosion safety Decompression valves, it comprises valve seat and upper cover plate that center is provided with pressure relief opening, described valve seat is fixedly connected with by bolts and nuts with upper cover plate, formation cavity volume is enclosed between described valve seat and upper cover plate, be provided with the sealing plate that pressure relief opening can be sealed in described cavity volume, be provided with locating stud between described sealing plate and upper cover plate, outside described locating stud, be arranged with spring.
Wherein in an embodiment, described spring side is installed on fire extinguishing fin, and described fire extinguishing fin is communicated with pressure relief opening.
Wherein in an embodiment, above described sealing plate, laminating is provided with pad, and described spring is arranged on above described pad.
Wherein in an embodiment, described spring is disc spring structure.
Wherein in an embodiment, described valve seat and upper cover plate are flat structure.
Wherein in an embodiment, described valve seat is provided with containing groove in all sides of pressure relief opening, holds and be provided with seal ring in described containing groove.
Wherein in an embodiment, described containing groove is dovetail groove structure.
In sum, anti-explosion safety Decompression valves of the present invention is by arranging sealing plate at pressure relief opening, coordinate spring to exert pressure to sealing plate pressure relief opening sealed, when pressure in air inlet pipeline is elevated to cracking pressure, spring reduce to sealing plate force effect, make to fire mixed gas and outwards drain from pressure relief opening; Utilize the cooling effect of fire extinguishing fin simultaneously, make the temperature of burnt gas be reduced to below burning-point, and then play fire extinguishing function, avoid producing naked light and the danger of blasting.
Accompanying drawing explanation
Fig. 1 is the structural representation of anti-explosion safety Decompression valves of the present invention;
Fig. 2 is the half sectional view of anti-explosion safety Decompression valves of the present invention.
Embodiment
For feature of the present invention, technological means and the specific purposes reached, function can be understood further, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
As depicted in figs. 1 and 2, anti-explosion safety Decompression valves of the present invention comprises valve seat 10 and the upper cover plate 20 that center is provided with pressure relief opening 11, and described valve seat 10 is fixedly connected with nut 13 by bolt 12 with upper cover plate 20, and described valve seat 10 and upper cover plate 20 are flat structure.
Enclose between described valve seat 10 and upper cover plate 20 and form cavity volume 14, the sealing plate 30 that pressure relief opening 11 can be sealed is provided with in described cavity volume 14, locating stud 40 is provided with between described sealing plate 30 and upper cover plate 20, spring 50 is arranged with outside described locating stud 40, elastic force is passed to sealing plate 30 by spring 50, makes it block pressure relief opening 11; Described locating stud 40 pairs of springs 50 carry out spacing, and to avoid product when having an effect, spring 50 is shifted the phenomenon causing anti-explosion safety Decompression valves malfunctioning.
Particularly, described spring 50 is disc spring structure, to ensure that spring 50 can not cause the situation that cannot reset because of overvoltage, and then maintain the stable of cracking pressure, meanwhile, adopt disc spring structure requisite space little, combinationally use conveniently, maintenance changes the outfit easily, and economy and security is high.
Described valve seat 10 is provided with containing groove in pressure relief opening 11 weeks sides, holds and be provided with seal ring 60 in described containing groove, to ensure that combustion gas can not be leaked; Particularly, described containing groove is dovetail groove structure, and to ensure the sealing of product when normally working, effectively prevent the present invention when opening pressure release, O RunddichtringO 60 is not blown out by pressurized gas and loses seal action.
Wherein in an embodiment, above described sealing plate 30, laminating is provided with pad, and described spring 50 is arranged on above described pad, by regulating described pad, carrys out the elastic force of Regulation spring 50, and then reaches the object regulating and preset pressure release power.
Wherein in an embodiment, described spring 50 side is installed on fire extinguishing fin 70, described fire extinguishing fin 70 is communicated with pressure relief opening 11, described fire extinguishing fin 70 is in order to carry out contacting and lowering the temperature to it with burnt gas, make its temperature drop to below burning-point, and then realize the fire extinguishing function to burnt gas.
When the present invention specifically uses in the air inlet pipeline of combustion gas explosive motor, if combustion gas explosive motor generation tempering fault, pressure in air inlet pipeline raises instantaneously, inflammable gas due to air inlet pipeline is the mixed gas of combustion gas and air, run into naked light to blast in the cavity volume 14 of sealing, when explosion pressure reaches the cracking pressure that product presets time, high pressure air knows from experience promotion butterfly spring upwards, decompression protection is carried out to the burnt gas of air inlet pipeline simultaneously, thus ensure the safety of unit equipment and personnel; In addition, the gas fired contacts with fire extinguishing fin 70 when outwards draining, and the heat that fire extinguishing fin 70 pairs of burnt gas produce dispels the heat, and makes the temperature of burnt gas drop to below burning-point, and then play fire extinguishing function, avoid producing naked light and the danger of blasting.
In sum, anti-explosion safety Decompression valves of the present invention is by arranging sealing plate 30 at pressure relief opening 11, coordinate spring 50 pairs of sealing plates 30 to exert pressure pressure relief opening 11 sealed, when pressure in air inlet pipeline is elevated to cracking pressure, spring 50 reduces the force effect to sealing plate 30, makes to fire mixed gas and outwards drains from pressure relief opening 11; Utilize the cooling effect of fire extinguishing fin 70 simultaneously, make the temperature of burnt gas be reduced to below burning-point, and then play fire extinguishing function, avoid producing naked light and the danger of blasting.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with claims.
Claims (7)
1. an anti-explosion safety Decompression valves, comprise valve seat (10) and upper cover plate (20) that center is provided with pressure relief opening (11), described valve seat (10) is fixedly connected with nut (13) by bolt (12) with upper cover plate (20), it is characterized in that: enclose between described valve seat (10) and upper cover plate (20) and form cavity volume (14), the sealing plate (30) that pressure relief opening (11) can be sealed is provided with in described cavity volume (14), locating stud (40) is provided with between described sealing plate (30) and upper cover plate (20), described locating stud (40) outside is arranged with spring (50).
2. anti-explosion safety Decompression valves according to claim 1, is characterized in that: described spring (50) side is installed on fire extinguishing fin (70), and described fire extinguishing fin (70) is communicated with pressure relief opening (11).
3. anti-explosion safety Decompression valves according to claim 1, is characterized in that: the laminating of described sealing plate (30) top is provided with pad, and described spring (50) is arranged on above described pad.
4. anti-explosion safety Decompression valves according to claim 1 and 2, is characterized in that: described spring (50) is disc spring structure.
5. anti-explosion safety Decompression valves according to claim 1 and 2, is characterized in that: described valve seat (10) and upper cover plate (20) are flat structure.
6. anti-explosion safety Decompression valves according to claim 1 and 2, is characterized in that: described valve seat (10) is provided with containing groove in pressure relief opening (11) all sides, holds and be provided with seal ring (60) in described containing groove.
7. anti-explosion safety Decompression valves according to claim 6, is characterized in that: described containing groove is dovetail groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105301.5A CN104633198A (en) | 2015-03-10 | 2015-03-10 | Explosion-proof safety relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105301.5A CN104633198A (en) | 2015-03-10 | 2015-03-10 | Explosion-proof safety relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104633198A true CN104633198A (en) | 2015-05-20 |
Family
ID=53212268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510105301.5A Pending CN104633198A (en) | 2015-03-10 | 2015-03-10 | Explosion-proof safety relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104633198A (en) |
-
2015
- 2015-03-10 CN CN201510105301.5A patent/CN104633198A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202613044U (en) | Automatic opening and closing type safe pressure relief explosion-proof device | |
| CN105609684A (en) | Inflaming retarding and explosion-proof device of lithium battery module | |
| CN207531202U (en) | A kind of electric appliance cabinet device for being equipped with air bag | |
| CN106455393A (en) | ''Three without'' explosion prevention method for explosion-proof cabinet of electric equipment | |
| CN204512564U (en) | Anti-explosion safety Decompression valves | |
| CN203572230U (en) | Heating furnace explosion door | |
| CN203967546U (en) | Explosion-proof type power distribution cabinet | |
| CN105521574A (en) | Explosion arrester for cave depot oil tank breathing pipeline | |
| CN104875900B (en) | The System and method for ignite in cabin is done for restraint device | |
| KR101158528B1 (en) | Explosion-proof high-voltage terminal box | |
| CN104633198A (en) | Explosion-proof safety relief valve | |
| CN104841076A (en) | Pipe end flame arrester | |
| CN104342525A (en) | Steel slag thermally stewing device with anti-explosion valve | |
| CN102330842B (en) | Valve rod sealing structure for cryogenic butterfly valve under ultralow temperature working condition | |
| CN207961656U (en) | A kind of anti-explosion gas pressure regulating box | |
| CN217784316U (en) | Pressure release device for oil-immersed power equipment | |
| CN203362318U (en) | Air inflow explosion-proof device of gas engine | |
| CN203326460U (en) | High-pressure sealing pressure relief device | |
| CN105588007A (en) | Temperature control safety explosion-proof lamp | |
| CN103670709A (en) | Explosion-proof valve of gas combustor | |
| CN201198787Y (en) | Explosion-proof valve | |
| CN202867957U (en) | Explosion door sucker device | |
| CN103296610A (en) | High-pressure sealing pressure relief device | |
| CN208332316U (en) | A kind of boiler and its explosion-protection equipment | |
| CN204699275U (en) | Pipe used in mine explosion suppressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150520 |