CN203146952U - Suspended liquid-sealed fire-retardant breathing dual-purpose valve - Google Patents
Suspended liquid-sealed fire-retardant breathing dual-purpose valve Download PDFInfo
- Publication number
- CN203146952U CN203146952U CN 201220754351 CN201220754351U CN203146952U CN 203146952 U CN203146952 U CN 203146952U CN 201220754351 CN201220754351 CN 201220754351 CN 201220754351 U CN201220754351 U CN 201220754351U CN 203146952 U CN203146952 U CN 203146952U
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- valve
- valve body
- storage box
- oil tank
- fluid
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- Expired - Fee Related
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
A suspended liquid-sealed fire-retardant breathing dual-purpose valve is mainly used for facilities for reducing volatilization of oil in an oil tank and preventing the oil tank from safety accidents such as shrinkage and explosion. Since gases flowing into and out of the oil tank all pass a 'liquid column', direct exchange between inner high-temperature gas and outer high-temperature gas of the oil tank can be avoided, and the valve has a fire-retardant function. The valve is mainly composed of a valve body, a liquid storage tank and sealing liquid. Since a mechanical valve needing to move is not provided, upper jamming is avoided, and tank shrinkage and explosion can be prevented effectively; and the valve is simple in structure and convenient to operate and maintain, and is a satisfactory substitute for an existing oil tank breathing valve and a fire barrier. The valve is suspended on a gas outlet pipeline of the oil tank, and can be mounted on the top of the oil tank or moved to the ground to be mounted through the pipeline; and multiple oil tanks can share one breathing valve.
Description
Technical field
The utility model relates to the device of a kind of exhalation of tank and back-fire relief.
Background technique
Oil storage tank must arrange inhalation valve.Do not establish pneumostome or pneumostome is too small as oil tank, when oil plant advances jar, quick-fried jar of phenomenon can occur; When oil plant goes out jar, flat jar of phenomenon can occur, thereby cause scrapping of oil tank.Establish a normal opening as oil tank, the oil in the oil tank can be diffused in the air and go, thereby causes the loss of oil plant.
Disclosed utility model patent " the back-fire relief dual purpose valve is breathed in the fluid-tight " (patent No.: ZL201120311702.3) use elements such as valve seat, valve gap, sealing fluid, realized breathing and the back-fire relief function of oil tank.It with traditional spring or gravity type (as the patent No. is: the patent of invention of ZL92106510.8 tank valves) compare, need not move the machinery valve of (unlatching), avoided the generation of the sticking connection of valve, jam phenomenon, improved reliability.But " the back-fire relief dual purpose valve is breathed in fluid-tight " has the following disadvantages: A: must be arranged on the top of oil tank, during operating maintenance, must climb up tank deck, cause inconvenience; B: sealed liquid cell is located at the ingress of oil tank, and the liquid in groove is more to be, easily causes the liquid for fluid-tight to flow in the oil tank, thereby the quality that influences oil in the oil tank degenerates; C: because " fluid-tight breathe back-fire relief dual purpose valve " is located at the top of oil tank, inconvenient heavy wool jar shares an inhalation valve; D: liquid storage tank is arranged on the valve seat, is inconvenient to change sealing fluid, is inconvenient to clean liquid storage tank; E: liquid storage tank is arranged on the valve seat, the liquid storage finite volume, and causing needs frequent (when humidity of the air is hanged down) or discharging (when humidity of the air is high) sealing fluid of replenishing.
Summary of the invention
The main purpose of the utility model design is: overcomes the said apparatus deficiency, designs a kind of convenient maintenance, stop sealing fluid and flow into the generation of oil tank phenomenon, and can heavy wool jar exhalation of tank and back-fire relief dual purpose valve that share, safe and reliable.
For realizing purpose of the present invention, technical solution adopted in the utility model is:
The back-fire relief dual purpose valve is breathed in the hanging fluid-tight, includes valve body, protective housing, sealing fluid, storage box, fixedly ear, attachment bolt and coupling nut; Described valve body is a cylinder, and the upper end is provided with flange, conveniently connects with oil storage tank deck pneumostome flange bolt; The lower end of valve body extend in the sealing fluid in the storage box; The valve body upper end is provided with the protective housing that prevents rainwater intrusion storage box outward near flange; Described protective housing is a circular trough, is fixedly mounted on the valve body, and is provided with two circular holes symmetrically on its cylinder cutting plane; Described storage box is a cylinder groove, near on the cylndrical surface of notch side, is installed with two ears, and is provided with a through hole at each ear; Described valve body and storage box by the protective housing that sets firmly on the valve body through hole and storage box on through hole on two ears setting firmly, be integral by Bolt Connection.
The back-fire relief dual purpose valve is breathed in the hanging fluid-tight, and described sealing fluid can be calcium chloride solution, ethylene glycol solution or the lower liquid of transformer wet goods solidifying point, and in sealing fluid, can add coloured pigment, with the liquid level in the obvious indication storage box.
The back-fire relief dual purpose valve is breathed in the hanging fluid-tight, and the through hole downside of described fixedly ear is provided with the notch that prevents the bolt rotation.When the need maintenance, when cleaning inhalation valve, when rotating the nut on the bolt that connects valve body and storage box, bolt can not rotate with nut.
The back-fire relief dual purpose valve is breathed in the hanging fluid-tight, and described valve body, protective housing, storage box all can be used glass, transparent or semitransparent plastic production, can conveniently observe the liquid level that the back-fire relief dual purpose valve is breathed in the hanging fluid-tight.
Effect and course of action are:
When the valve internal pressure raises (as: oil tank oil-feed), sealing fluid in the valve body just is pressed towards (valve body outer cylinder side) in the storage box, rising along with pressure, sealing fluid liquid level in the valve body progressively reduces, when its liquid level is lower than valve body lower end, gas in the oil tank just through after the sealing fluid in the storage box, is discharged in the atmosphere and goes.
When the valve internal pressure reduces (as: oil tank is fuel-displaced), sealing fluid in the storage box just is attracted in the valve body inboard, reduction along with pressure, sealing fluid liquid level in the storage box progressively reduces, when its liquid level was lower than valve body lower end, the outer gas of oil tank just entered sealing fluid in the storage box, enters in the oil tank from sealing fluid.
By adjusting the position that connects storage box and the upper cap nut of valve body attachment bolt, can adjust the degree of depth that valve body inserts sealing fluid, thereby adjust the pressure reduction of breathing.Sealing fluid in storage box by adjusting the position of its nut, rises storage box more after a little while, also can satisfy on the technology breathing the requirement of pressure reduction; Same reason when the sealing fluid in the storage box increases, by transferring storage box, also can satisfy on the technology breathing the requirement of pressure reduction.So, can reduce the number of times that charges and discharge sealing fluid.
During by valve, all need to pass one section seal fluid because of the gas of (oil tank inside and outside) inside and outside the valve, high-temperature combustion gas in this way, behind this section liquid, temperature can reduce rapidly, has played the effect of back-fire relief.
Because entering the gas of oil tank, all to pass through one section " water column ", thereby dust in air is drawn in the water, got the effect that purifies air.
Breathe the back-fire relief dual purpose valve because of the hanging fluid-tight and be lifted on the pneumostome piping flange of oil tank, can pass through pipe laying threeway or four-way, the pneumostome of a plurality of oil tanks is guided to together, concentrate " breathing " by an inhalation valve.
Description of drawings:
The main structure sectional view that Fig. 1 implements for the utility model, and its liquid level is shown in air-breathing position;
The side structure sectional view that Fig. 2 implements for the utility model, and its liquid level is shown in the position of expiration;
The main structure sectional view that Fig. 3 implements for the utility model, and its liquid level is shown in, and inside and outside gas pressure equates, storage box is adjusted the position, position at the liquid level height.
Embodiment:
As shown in Figure 1, described hanging fluid-tight breathe the back-fire relief dual purpose valve valve body, protective housing, storage box and on the ear set up adopt transparent or semitransparent plastic production.But the protective housing on valve body and the valve body and flange single injection-molded, but storage box and on also single injection-molded of ear.Valve body and storage box are integral by Bolt Connection, and in storage box, charge into sealing fluid, just constituted a complete hanging fluid-tight and breathed the back-fire relief dual purpose valve.
| Weight (calcium chloride/water) % | 5 | 10 | 15 | 20 | 25 | 30 |
| Solidifying point ℃ | -2.44 | -5.98 | -10.96 | -18.6 | -29.9 | -48 |
Claims (4)
1. the back-fire relief dual purpose valve is breathed in the hanging fluid-tight, includes valve body (1), protective housing (3), sealing fluid (7), storage box (6), fixedly ear (5), attachment bolt (2) and coupling nut 3; It is characterized in that: described valve body (1) is a cylinder, and the upper end is provided with flange, can make things convenient for the flange bolt of oil storage tank deck pneumostome to connect; The lower end of valve body (1) extend in the sealing fluid (7) in the storage box (6); Valve body (1) upper end is provided with outward near flange and prevents that rainwater from invading the protective housing (4) in the storage box (6); Described protective housing (4) is a circular trough, is fixedly mounted on the valve body, and is provided with two circular holes symmetrically on its cylinder cutting plane; Described storage box (6) is a cylinder groove, near on the cylndrical surface of notch side, is installed with two ears, and is provided with a through hole at each ear; Described valve body (1) is connected into one with storage box (6) by bolt (2).
2. the back-fire relief dual purpose valve is breathed in hanging fluid-tight according to claim 1, and it is characterized in that: described sealing fluid (7) can be calcium chloride solution, ethylene glycol solution or the lower liquid of transformer oil paracoagulation point.
3. the back-fire relief dual purpose valve is breathed in hanging fluid-tight according to claim 1, it is characterized in that: the through hole downside of described fixedly ear (5) is provided with the notch that prevents bolt (2) rotation.
4. the back-fire relief dual purpose valve is breathed in hanging fluid-tight according to claim 1, and it is characterized in that: described valve body (1), protective housing (3), storage box (6) all can be used glass, transparent or semitransparent plastic production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754351 CN203146952U (en) | 2012-12-13 | 2012-12-13 | Suspended liquid-sealed fire-retardant breathing dual-purpose valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754351 CN203146952U (en) | 2012-12-13 | 2012-12-13 | Suspended liquid-sealed fire-retardant breathing dual-purpose valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146952U true CN203146952U (en) | 2013-08-21 |
Family
ID=48974476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220754351 Expired - Fee Related CN203146952U (en) | 2012-12-13 | 2012-12-13 | Suspended liquid-sealed fire-retardant breathing dual-purpose valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220016A (en) * | 2019-07-03 | 2019-09-10 | 白刚 | Oil storage tank deadweight safety valve glycol water sealing fluid |
-
2012
- 2012-12-13 CN CN 201220754351 patent/CN203146952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220016A (en) * | 2019-07-03 | 2019-09-10 | 白刚 | Oil storage tank deadweight safety valve glycol water sealing fluid |
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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: 20130821 Termination date: 20131213 |