CN201099499Y - Petroleum storage tank explosion-proof fire retardant respiring valve - Google Patents
Petroleum storage tank explosion-proof fire retardant respiring valve Download PDFInfo
- Publication number
- CN201099499Y CN201099499Y CNU2007200293046U CN200720029304U CN201099499Y CN 201099499 Y CN201099499 Y CN 201099499Y CN U2007200293046 U CNU2007200293046 U CN U2007200293046U CN 200720029304 U CN200720029304 U CN 200720029304U CN 201099499 Y CN201099499 Y CN 201099499Y
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- valve
- storage tank
- explosion fire
- retardant
- negative pressure
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Abstract
The utility model discloses an anti-explosion fireproof breather valve of oil tank, for preventing fire, ventilating, confirming safety and reducing evaporation consumption of oil product. The utility model comprises an anti-explosion fireproof device and a breather valve, wherein the breather valve comprises a shell, a positive pressure valve and a negative pressure valve, the positive pressure valve and negative pressure valve are mounted in the shell, the anti-explosion fireproof device is mounted at the top of the shell, the positive pressure valve is mounted at the upper end of the valve chamber, the negative pressure valve is mounted at the lower end of the valve chamber, the flow channel in the tank is communicated with a storage tank, while the air channel is communicated with outer space and the valve outlet is at the top of the breather valve. The utility model arranges the valve outlet at top, with compact and reasonable structure, easy production, simple installment and maintenance, low weight and low cost. The utility model uses special polygonal nut to realize fixation, thereby effectively preventing protective shell from theft, preventing accident and improving safety.
Description
Technical field:
The utility model relates to the back-fire relief ventilation safety equipment of petroleum storage tank, and particularly a kind of petroleum storage tank anti-explosion fire-retardant breather valve uses on petroleum storage tank, and back-fire relief ventilates, and guarantees the safety of petroleum storage tank, reduces oil product evaporating loss.
Background technology:
Anti-explosion fire-retardant device and breathing valve are the requisite safety fittings of petroleum storage tank, are used for the controlling tank internal pressure, stop extraneous flame to import into, guarantee the safety of storage tank, and reduce oil product evaporating loss.The application of existing petroleum storage tank anti-explosion fire-retardant device and breathing valve has following two kinds of situations: a kind of situation is to breathe the back back-fire relief earlier, and anti-explosion fire-retardant device and breathing valve have two kinds of structures, and a kind of is the branch body structure, and the anti-explosion fire-retardant device is installed on below the breathing valve.A kind of is integral structure, and anti-explosion fire-retardant device and breathing valve are an integral body, and the anti-explosion fire-retardant device is installed on breathing valve inside.These two kinds of structures all make cleaning, maintenance and the replacing of anti-explosion fire-retardant device very inconvenient, and flame can enter between anti-explosion fire-retardant device and the breathing valve, and safety hazard is increased.Another kind of situation is to breathe behind the first back-fire relief, and valve outlet port is in the anti-explosion fire-retardant breather valve side of valve body, and the anti-explosion fire-retardant device is installed in valve outlet port, overhauls, cleans more convenient.But because be integral structure, valve outlet port designs in side of valve body, and valve outlet port is less, has increased the resistance to flow of anti-explosion fire-retardant device greatly, and its throughput is the specified value of out of reach related standards often.And valve outlet port makes between malleation valve disc and the negative pressure valve disc distance excessive in the valve body side, in case jar internal pressure is excessive, the malleation valve disc breaks away from guide rod easily, can not normally reset, and breathing valve also can't be worked.At present, the breathing valve of petroleum storage tank is generally Casting Parts, and shell wall side is thicker, and valve body is relatively heavier; And valve is against corrosion bad, has had a strong impact on its service life.The top cover of breathing valve generally adopts the fast-assembling bolt to connect, so valve gap is easy to be stolen, if can not in time find in patrolling and examining, safety misadventure takes place easily then.
Summary of the invention:
The purpose of this utility model is to provide a kind of petroleum storage tank anti-explosion fire-retardant breather valve, makes its gas flow simple and direct, and the flame retardant bed area is big, and aeration resistance is little, and installation and maintenance are convenient, improves the safety of petroleum storage tank.
The purpose of this utility model is achieved in that a kind of petroleum storage tank anti-explosion fire-retardant breather valve comprises anti-explosion fire-retardant device and breathing valve, and breathing valve comprises housing, positive valve and negative pressure valve, and positive valve and negative pressure valve are installed in the housing.The anti-explosion fire-retardant device is installed on the top of housing, and positive valve is installed on the upper end of valve pocket, the lower end that negative pressure valve is installed in valve pocket; The jar inner flow passage is communicated with storage tank, the atmosphere runner is communicated with the outer atmosphere of valve, and valve outlet port is positioned at the top of breathing valve.
The utlity model has following useful effect: the utility model is as a whole with anti-explosion fire-retardant device and breathing valve design, use the polygonal nut of purpose made fastening, need to dismantle with special socket wrench, can prevent effectively that parts such as protective cover are stolen, avoid the generation of safety misadventure, improved the safety of petroleum storage tank.The utility model adopts the mode of operation of breathing behind the first back-fire relief, has cancelled side exit, and valve outlet port is placed the top, and resistance to flow is little, throughput is big.Adopt stainless steel, prolonged service life, in light weight, cost is low, and is rational in infrastructure, easy to manufacture.Because of the anti-explosion fire-retardant device is positioned at the top, installation and maintenance are convenient.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that A among Fig. 1 is to partial view.
Fig. 3 is the B-B cross-sectional view among Fig. 1.
Among the figure: butt flange 1, reducing takes over 2, following shrouding 3, valve disc guide holder 4, jar inner flow passage 5, valve pocket 6, housing 7, upper sealing plate 8, latch segment 9, anti-explosion fire-retardant device 10, protective cover core tube 11, valve outlet port 12, protective cover 13, tie bolt 14, mounting seat 15, polygonal nut 16, malleation valve disc guide pipe 17, malleation valve disc 18, malleation disc seat 19, malleation valve seat 20, atmosphere runner 21, lead static parts 22, negative pressure disc seat 23, negative pressure valve seat 24, negative pressure valve disc 25, negative pressure valve disc pilot bar 26, side seal board 27.
The specific embodiment:
Below in conjunction with embodiment the utility model is done further detailed description: as shown in Figure 1, a kind of petroleum storage tank anti-explosion fire-retardant breather valve, comprise anti-explosion fire-retardant device 10 and breathing valve, breathing valve comprises housing 7, positive valve and negative pressure valve, and positive valve and negative pressure valve are installed in the housing 7.Anti-explosion fire-retardant device 10 is installed on the top of housing 7, and upper end, the negative pressure valve that positive valve is installed on valve pocket 6 is installed in the lower end of valve pocket 6; Jar inner flow passage 5 is communicated with storage tank, atmosphere runner 21 is communicated with the outer atmosphere of valve, and valve outlet port 12 is positioned at the top of breathing valve.Anti-explosion fire-retardant device 10 comprises mounting seat 15, fixed part, anti-explosion fire-retardant mechanism, protective cover core tube 11 and protective cover 13, and mounting seat 15 is provided with pore, is welded in the top of housing 7.Anti-explosion fire-retardant mechanism is installed in the mounting seat 15, and protective cover core tube 11 and protective cover 13 are installed above successively, by tie bolt 14 protective cover 13 is connected with fixed part, and protective cover 13 is net structures.Fixed part comprises latch segment 9 and polygonal nut 16, and latch segment 9 bottoms are fluted, is welded in the shell wall outside of housing 7, and polygonal nut 16 cooperates with tie bolt 14.Polygonal nut 16 is meant polygon nuts such as triangle, five jiaos, heptangle, uses the socket wrench dismounting that cooperates with it, is used to prevent to steal the parts of this breathing valve, Figure 2 shows that the pentagon nut.Valve pocket 6 comprises upper sealing plate 8, following shrouding 3 and side seal board 27, and at the lateral opening of valve pocket 6, side seal board 27 separates valve pocket 6, sees Fig. 3.The lateral opening that on one side is valve pocket 6 is communicated with a jar inner flow passage 5, and another side is an atmosphere runner 21, is communicated with atmosphere outside the valve through the outer and the valve outlet port 12 of upper sealing plate 8, and is simple in structure, throughput is big.The bottom of housing 7 is that reducing is taken over 2 and is connected with butt flange 1.The diameter of anti-explosion fire-retardant mechanism makes the flame retardant bed area increase greater than the internal diameter of butt flange 1.Generally speaking, the diameter of anti-explosion fire-retardant mechanism should be the twice of butt flange 1 internal diameter.Positive valve comprises malleation valve disc 18, connects with housing 7 with leading static parts 22; Negative pressure valve comprises negative pressure valve disc 25, connects with valve pocket 6 with leading static parts 22.The line of centers of housing 7, anti-explosion fire-retardant device 10, valve pocket 6, positive valve and negative pressure valve is coaxial.Butt flange 1 of the present utility model is taken over 2 lower ends with reducing and is connected, and is used for this breathing valve is installed on tank top.Formed jar inner flow passage 5 and atmosphere runner 21 by housing 7, valve pocket 6, upper sealing plate 8, following shrouding 3 and side seal board 27, valve pocket 6 lateral openings communicate with a jar inner flow passage 5, and valve outlet port 12 is all passed through in air inlet of this breathing valve and exhaust.Malleation valve disc 18 cooperates the upper end that is installed on valve pocket 6 with malleation valve seat 20, installing malleation valve disc guide pipe 17 in the middle of the malleation valve disc 18; Negative pressure valve disc 25 cooperates the lower end that is installed on valve pocket 6 with negative pressure valve seat 24, and a negative pressure valve disc pilot bar 26 that runs through up and down is housed in the middle of the negative pressure valve disc 25; Negative pressure valve disc pilot bar 26 tops insert in the malleation valve disc guide pipe 17, and negative pressure valve disc pilot bar 26 bottoms insert in the valve disc guide holder 4; Negative pressure valve disc pilot bar 26 can slide in valve disc guide holder 4 and malleation valve disc guide pipe 17, forms sliding pair.The material of malleation valve seat 20, negative pressure valve seat 24, malleation disc seat 19, negative pressure disc seat 23 and malleation valve disc guide pipe 17 liner sealing members, negative pressure valve disc pilot bar 26 overcoats, valve disc guide holder 4 liner sealing members is polytetrafluoroethylenes, and the material of remaining part is all corrosion-resistant steel.
When the pressure in the petroleum storage tank during less than the storage tank external pressure, negative pressure valve disc 25 is opened, and air enters valve pocket 6 through anti-explosion fire-retardant device 10, atmosphere runner 21, flows in the storage tank through jar inner flow passage 5 then, up to the storage tank internal and external pressure balance, negative pressure valve disc 25 by gravitys are closed; When tank inner pressure during greater than the storage tank external pressure, malleation valve disc 18 is opened, and gas enters valve pocket 6 through a jar inner flow passage 5 in the storage tank, then by anti-explosion fire-retardant device 10, discharges through valve outlet port 12, and up to equilibrium of pressure, malleation valve disc 18 is closed.
If anti-explosion fire-retardant device 10 is not installed, the utility model has just become a kind of simple storage tank breathing valve, and weight will be littler also.Therefore, use has good prospects.
Claims (8)
1, a kind of petroleum storage tank anti-explosion fire-retardant breather valve, comprise anti-explosion fire-retardant device (10) and breathing valve, breathing valve comprises housing (7), positive valve and negative pressure valve, positive valve and negative pressure valve are installed in the housing (7), it is characterized in that anti-explosion fire-retardant device (10) is installed on the top of housing (7), upper end, the negative pressure valve that positive valve is installed on valve pocket (6) is installed in the lower end of valve pocket (6); Jar inner flow passage (5) is communicated with storage tank, atmosphere runner (21) is communicated with the outer atmosphere of valve, and valve outlet port (12) is positioned at the top of breathing valve.
2, a kind of petroleum storage tank anti-explosion fire-retardant breather valve according to claim 1, it is characterized in that anti-explosion fire-retardant device (10) comprises mounting seat (15), fixed part, anti-explosion fire-retardant mechanism, protective cover core tube (11) and protective cover (13), mounting seat (15) is provided with pore, is welded in the top of housing (7); Anti-explosion fire-retardant mechanism is installed in the mounting seat (15), and protective cover core tube (11) and protective cover (13) are installed above successively, by tie bolt (14) protective cover (13) is connected with fixed part.
3, a kind of petroleum storage tank anti-explosion fire-retardant breather valve according to claim 2, it is characterized in that fixed part comprises latch segment (9) and polygonal nut (16), latch segment (9) bottom is fluted, is welded in the shell wall outside of housing (7), and polygonal nut (16) cooperates with tie bolt (14).
4, a kind of petroleum storage tank anti-explosion fire-retardant breather valve according to claim 1, it is characterized in that valve pocket (6) comprises upper sealing plate (8), following shrouding (3) and side seal board (27), lateral opening in valve pocket (6), side seal board (27) separates valve pocket (6), the lateral opening that is valve pocket (6) on one side is communicated with a jar inner flow passage (5), another side is atmosphere runner (21), is communicated with atmosphere outside the valve through the outer and the valve outlet port (12) of upper sealing plate (8).
5, a kind of petroleum storage tank anti-explosion fire-retardant breather valve according to claim 1, the bottom that it is characterized in that housing (7) are that reducing is taken over (2), take over (2) by reducing and are connected with butt flange (1).
6, according to claim 2 or 5 described a kind of petroleum storage tank anti-explosion fire-retardant breather valves, it is characterized in that the internal diameter of the diameter of anti-explosion fire-retardant mechanism greater than butt flange (1).
7, a kind of petroleum storage tank anti-explosion fire-retardant breather valve according to claim 1 is characterized in that positive valve comprises malleation valve disc (18), and malleation valve disc (18) is connected with housing (7) with leading static parts (22); Negative pressure valve comprises negative pressure valve disc (25), and negative pressure valve disc (25) is connected with valve pocket (6) with leading static parts (22).
8, a kind of petroleum storage tank anti-explosion fire-retardant breather valve according to claim 1 is characterized in that the line of centers of housing (7), anti-explosion fire-retardant device (10), valve pocket (6), positive valve and negative pressure valve is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200293046U CN201099499Y (en) | 2007-10-12 | 2007-10-12 | Petroleum storage tank explosion-proof fire retardant respiring valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200293046U CN201099499Y (en) | 2007-10-12 | 2007-10-12 | Petroleum storage tank explosion-proof fire retardant respiring valve |
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| Publication Number | Publication Date |
|---|---|
| CN201099499Y true CN201099499Y (en) | 2008-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200293046U Expired - Fee Related CN201099499Y (en) | 2007-10-12 | 2007-10-12 | Petroleum storage tank explosion-proof fire retardant respiring valve |
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| CN (1) | CN201099499Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475079B (en) * | 2009-01-21 | 2011-06-08 | 陈岳荣 | Respiratory valve |
| CN101706014B (en) * | 2009-11-10 | 2011-08-10 | 吴江天龙电子机械设备有限公司 | Explosion-proof breather drain valve |
| CN102553108A (en) * | 2012-02-03 | 2012-07-11 | 无锡博睿奥克电气有限公司 | Orifice-plate spark particle obstructing device |
| CN102635715A (en) * | 2012-04-24 | 2012-08-15 | 中国石油天然气股份有限公司 | Hydraulic safety valve of antifreezing oil storage tank |
| RU2472998C2 (en) * | 2011-02-03 | 2013-01-20 | Олег Савельевич Кочетов | Safety hydraulic valve |
| RU2472999C2 (en) * | 2011-02-03 | 2013-01-20 | Олег Савельевич Кочетов | Fire protection valve |
| CN103791232A (en) * | 2012-10-31 | 2014-05-14 | 江苏新天宝机械有限公司 | Aseptic respirator |
| CN103994255A (en) * | 2014-05-21 | 2014-08-20 | 江苏沙洲阀门有限公司 | Marine respiration valve |
| CN106195374A (en) * | 2016-10-13 | 2016-12-07 | 江苏凯通船用阀门有限公司 | A kind of processing technology of naval vessel back-fire relief breathing unit |
| CN107998539A (en) * | 2017-11-30 | 2018-05-08 | 成都中寰流体控制设备股份有限公司 | A kind of fire retardant device and closed case back-fire relief method |
| WO2018211266A1 (en) * | 2017-05-16 | 2018-11-22 | Elmac Technologies Limited | Valve apparatus |
| CN111086759A (en) * | 2019-12-20 | 2020-05-01 | 天津森罗科技股份有限公司 | Rigid airtight enclosure device with pressure regulating function |
| CN112660634A (en) * | 2021-01-15 | 2021-04-16 | 上海洛挚科技有限公司 | Equipment that oil separation and fire prevention were stored |
| CN114427617A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Integrated burning-resistant breather valve device |
| CN114427618A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | All-weather burning-resistant breather valve device |
| CN116557771A (en) * | 2023-07-06 | 2023-08-08 | 苏州杜尔气体化工装备有限公司 | Ventilating flame-retardant explosion-proof device of LNG (liquefied Natural gas) normal-pressure storage tank |
-
2007
- 2007-10-12 CN CNU2007200293046U patent/CN201099499Y/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475079B (en) * | 2009-01-21 | 2011-06-08 | 陈岳荣 | Respiratory valve |
| CN101706014B (en) * | 2009-11-10 | 2011-08-10 | 吴江天龙电子机械设备有限公司 | Explosion-proof breather drain valve |
| RU2472998C2 (en) * | 2011-02-03 | 2013-01-20 | Олег Савельевич Кочетов | Safety hydraulic valve |
| RU2472999C2 (en) * | 2011-02-03 | 2013-01-20 | Олег Савельевич Кочетов | Fire protection valve |
| CN102553108A (en) * | 2012-02-03 | 2012-07-11 | 无锡博睿奥克电气有限公司 | Orifice-plate spark particle obstructing device |
| CN102635715A (en) * | 2012-04-24 | 2012-08-15 | 中国石油天然气股份有限公司 | Hydraulic safety valve of antifreezing oil storage tank |
| CN103791232A (en) * | 2012-10-31 | 2014-05-14 | 江苏新天宝机械有限公司 | Aseptic respirator |
| CN103791232B (en) * | 2012-10-31 | 2015-08-19 | 江苏新天宝机械有限公司 | A kind of aseptic resuscitation apparatus |
| CN103994255A (en) * | 2014-05-21 | 2014-08-20 | 江苏沙洲阀门有限公司 | Marine respiration valve |
| CN106195374A (en) * | 2016-10-13 | 2016-12-07 | 江苏凯通船用阀门有限公司 | A kind of processing technology of naval vessel back-fire relief breathing unit |
| CN106195374B (en) * | 2016-10-13 | 2018-09-18 | 江苏凯通船用阀门有限公司 | A kind of manufacture craft of naval vessel back-fire relief breathing unit |
| US11802626B2 (en) | 2017-05-16 | 2023-10-31 | Elmac Technologies Limited | Valve apparatus |
| WO2018211266A1 (en) * | 2017-05-16 | 2018-11-22 | Elmac Technologies Limited | Valve apparatus |
| CN107998539A (en) * | 2017-11-30 | 2018-05-08 | 成都中寰流体控制设备股份有限公司 | A kind of fire retardant device and closed case back-fire relief method |
| CN111086759A (en) * | 2019-12-20 | 2020-05-01 | 天津森罗科技股份有限公司 | Rigid airtight enclosure device with pressure regulating function |
| CN114427617A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Integrated burning-resistant breather valve device |
| CN114427618A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | All-weather burning-resistant breather valve device |
| CN112660634A (en) * | 2021-01-15 | 2021-04-16 | 上海洛挚科技有限公司 | Equipment that oil separation and fire prevention were stored |
| CN112660634B (en) * | 2021-01-15 | 2022-08-09 | 西安阿伯塔资环分析测试技术有限公司 | Equipment that oil separation and fire prevention were stored |
| CN116557771A (en) * | 2023-07-06 | 2023-08-08 | 苏州杜尔气体化工装备有限公司 | Ventilating flame-retardant explosion-proof device of LNG (liquefied Natural gas) normal-pressure storage tank |
| CN116557771B (en) * | 2023-07-06 | 2023-09-12 | 苏州杜尔气体化工装备有限公司 | Ventilating flame-retardant explosion-proof device of LNG (liquefied Natural gas) normal-pressure storage tank |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |