CN2881255Y - High speed ventilation valve for ship - Google Patents
High speed ventilation valve for ship Download PDFInfo
- Publication number
- CN2881255Y CN2881255Y CN 200620069124 CN200620069124U CN2881255Y CN 2881255 Y CN2881255 Y CN 2881255Y CN 200620069124 CN200620069124 CN 200620069124 CN 200620069124 U CN200620069124 U CN 200620069124U CN 2881255 Y CN2881255 Y CN 2881255Y
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- CN
- China
- Prior art keywords
- valve
- valve body
- pressure
- deflector
- diversion
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a high speed ventilation valve for ship, which mainly consists of a pressure valve, a vacuum valve and a fluid director (1); wherein, the pressure valve is formed by a diversion (3), a superior valve body (6) and an inferior valve body (12) through connection in series; a valve stem (2) is positioned inside of both the diversion and the cavity of the superior valve body with the top end extending out of the diversion and fixedly connected with the fluid director (1); inside the valve stem a magnetic regulating bar (4) is provided; a permanent-magnetic clamp (5), socketed on the valve stem and matching the magnetic regulating bar, is arranged in the cavity of the diversion (3); the inferior part of the valve stem is connected with a heavy block (7) and a valve disc (9); the valve disc, arranged on the valve seat (10) at the top of the inferior valve body (12), is in sealing condition and positioned in the valve cavity together with the valve stem. Through adopting the principle of combination of gravity valve and permanent magnetic attraction, the utility model has the advantages of steady valve open and close without hammering phenomenon, non-generation of fluid cargo hold backfire, reliable operation and biggest reduction of vapor loss during voyage, thereby being the most advanced high speed ventilation valve in the world at present.
Description
Technical field
The utility model relates to a kind of cargo tank pressure, specifically is used for cargo tank and petroleum product, rock gas, the storage tank of liquefied petroleum gas (LPG) and the high-speed ventilation valve of chemical industry equipment on oil, chemical product, liquefied petroleum gas (LPG), the liquified natural gas carrier (LNGC) oceangoing ship.
Background technique
High-speed ventilation valve peculiar to vessel is the special device of oil carrier, chemical tanker fire safety, its effect is each the cargo tank top that is contained in oil carrier, chemical tanker, be used for discharging transportation and storage process cause owing to temperature variation in the cargo tank pressure and vacuum, and the pressure and the vacuum that produce in loading and unloading goods and the ballast process middle deck, and can stop flame to enter in the cabin effectively.At present, what install on China's overwhelming majority cargo tank is a kind of common inhalation valve (also claiming vent valve), comprise pressure and vacuum valve, but no accelerating structure in the pressure valve valve pocket, there is not fire-resistant, the test requirements document of strile-bacing, in case catch fire around the valve body, then easily produce tempering or pinking takes place, and every cargo tank is by an inhalation valve job by public ventilative pipeline, if cargo tank blast, flame will cause that other cargo tank explodes continuously by public ventilative pipeline, causes heavy losses for crewman's life, national wealth.
The disclosed a kind of vent valve of Korea S, its structure are that gas promotes the lever on the valve rod, and valve port is opened.The shortcoming that exists is that the cracking pressure of valve can only be a scope, rather than an absolute value, and boats and ships meet stormy waves under sail or when jolting, valve is opened easily, causes the frequent release of gas, produces loss.
Summary of the invention
The purpose of this utility model provides a kind of high-speed ventilation valve that can stablize the valve opening and closing that adopts gravity to add magnetic force control, under any circumstance, the cabin internal pressure only reaches when setting cracking pressure, valve could be opened automatically, not only improve the quality of this valve, reduced the gas loss of lade simultaneously.
In order to achieve the above object, the utility model is achieved in that high-speed ventilation valve mainly comprises pressure valve, vacuum valve, fluid director, pressure valve is by deflector, upper valve body, following three grades of serial connections of valve body, one valve rod places in upper valve body and the deflector die cavity, deflector and fixedly connected fluid director are stretched out in its top, the magnetic force adjustable lever is housed in the valve rod, be provided with in the deflector die cavity and be placed on the valve rod and the permanent-magnetic clamp of corresponding magnetic force adjustable lever, stem lower portion connects pouring weight and valve disc, valve disc places down on the valve seat at valve body top and is sealing state, places in the valve pocket together with valve rod again.
The lower end mouth of described upper valve body inner chamber is a trapezoid shaped, and valve disc is presented down mobile status within it during valve opening.Eccentric cam on the following valve body and handle cooperate with the valve rod bottom realizes manually-operable.
When loading liquid goods and ballast, the pressure valve of high-speed ventilation valve is opened, with outlet velocity flammable liquid goods vapor/air mixture in the cargo tank is vertically upward sprayed greater than 30m/s, and in the high-altitude by atmospheric dilution, dissipation and can not be settled down to liquid goods deck, inflammable gas more can not strile-back and rest on valve port, has avoided may causing the danger of blast because of meeting fire; When unloading discharge opeing goods, the vacuum valve of high-speed ventilation valve is opened, and can replenish air safely in the cabin, to avoid producing excessive vacuum in the cabin; When ship's navigation, high-speed ventilation valve can be regulated the fluctuation that causes the cabin internal pressure owing to temperature variation automatically.
This high-speed ventilation valve adopts weight valve and permanent magnetism suction principle of combining, in valve rod, insert the magnetic force adjustable lever, in deflector, insert permanent-magnetic clamp, when valve is in closed condition, N inhales mutually with S magnetic field, make valve closed tightly, its closing pressure can also be transferred, when opening under the pressure that valve is being set, because the disengaging in magnetic field, the pressure that makes the unlatching of valve and proper functioning produce one about 30% falls, from and make the pressure because of pipeline of closing not of valve reduce and produce bump, stablize the opening and closing of valve, no hammering, can not produce the valve disc pulsation, fluid director ejects and falls steadily nature after rise, and drops to the evaporation loss in the voyage minimum.This high-speed ventilation valve is rational in infrastructure, and is reliable, and cost is low, efficient is high, is state-of-the-art in the world at present high-speed ventilation valve.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among Fig. 1, fluid director 1, valve rod 2, deflector 3, magnetic force adjustable lever 4, permanent-magnetic clamp 5, upper valve body 6, pouring weight 7, trapezoidal port 8, valve disc 9, valve seat 10, draining chews 11, following valve body 12, pressure valve operating grip 13, vacuum valve operating grip 14, vacuum valve body 15.
Embodiment
High-speed ventilation valve as shown in Figure 1 mainly comprises pressure valve, vacuum valve 15, fluid director 1, and vacuum valve 15 is connected in following valve body 12 1 sides of pressure valve.Pressure valve is by deflector 3, upper valve body 6, following 12 3 grades of serial connections of valve body.One valve rod 2 places in upper valve body 6 and deflector 3 die cavities, deflector and fixedly connected fluid director 1 are stretched out in its top, magnetic force adjustable lever 4 is housed in the valve rod 2, be provided with in deflector 3 die cavities and be placed on the valve rod and the permanent-magnetic clamp 5 of corresponding magnetic force adjustable lever 4, stem lower portion connects pouring weight 7 and valve disc 9, and valve body 12 central shafts are down inserted in valve rod 2 bottoms.Valve disc 9 places down on the valve seat 10 at valve body 12 tops, places in the valve pocket together with valve rod.The lower end mouth of upper valve body 6 inner chambers is a trapezoid shaped 8, and valve disc 9 moves up and down within it during unlatching, and and the opening and closing of 10 formation valves of valve seat.Eccentric cam on the following valve body 12 and handle 13 cooperate realization manually opened with valve rod 2 bottoms, the vacuum valve suction port is provided with two-layer flame screen.
Pressure valve vertically is installed on the cargo tank top, during cargo tank ballasting, the cabin internal pressure increases, when pressure reaches valve setpoint and opens numerical value, oil gas by valve body 12 down vertically upward with valve disc 9 jack-up, simultaneously with the valve rod 2 of valve disc disjunctor with fluid director 1 jack-up, magnetic force adjustable lever 4 separates with permanent-magnetic clamp 5, oil gas penetrates from deflector 3 oral areas and fluid director 1 gap location vertical up-spray through upper valve body 6, and as long as open, exit velocity is just greater than 30%m/s.At this moment, vacuum valve is in sealing state.When the cargo tank internal pressure is reduced to less than atmospheric pressure, and when reaching the vacuum valve cracking pressure, the vacuum valve valve will be opened automatically, and air enters under the pressure valve in the valve body and cargo tank, and this moment, pressure valve was in sealing state by gravity and suction.When pressure valve was worked, vacuum valve cut out, and two valve disjunctors are ganged up, and Each performs its own functions during work.In pressure valve when work,, valve disc is as pneumatic element, and unlatchings that raise along with the increase of oil-air pressure in the cargo tank reduces and falling is closed.Handle 13 on the following valve body 12 and eccentric cam cooperate the manually-operable that realizes pressure valve with valve rod 2 bottoms.Equally, vacuum valve also can be realized manually-operable by handle 14.6 end of upper valve body mouth is communicated with a draining and chews 11, makes the rainwater that infiltrates in the valve pocket chew discharge by draining.
Claims (2)
1, a kind of high-speed ventilation valve peculiar to vessel, mainly comprise pressure valve, vacuum valve, fluid director (1), it is characterized in that: pressure valve is by deflector (3), upper valve body (6), (12) three grades of serial connections of following valve body, one valve rod (2) places in deflector and the upper valve body die cavity, deflector and fixedly connected fluid director (1) are stretched out in its top, magnetic force adjustable lever (4) is housed in the valve rod, being provided with in deflector (3) die cavity is placed on the valve rod and the permanent-magnetic clamp of corresponding magnetic force adjustable lever (5), stem lower portion connects pouring weight (7) and valve disc (9), valve disc places down on the valve seat (10) at valve body (12) top and is sealing state, places in the valve pocket together with valve rod again.
2, high-speed ventilation valve peculiar to vessel according to claim 1 is characterized in that: the lower end mouth of described upper valve body inner chamber is a trapezoid shaped (8), and valve disc is presented down mobile status within it during valve opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620069124 CN2881255Y (en) | 2006-01-26 | 2006-01-26 | High speed ventilation valve for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620069124 CN2881255Y (en) | 2006-01-26 | 2006-01-26 | High speed ventilation valve for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2881255Y true CN2881255Y (en) | 2007-03-21 |
Family
ID=37881094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620069124 Expired - Fee Related CN2881255Y (en) | 2006-01-26 | 2006-01-26 | High speed ventilation valve for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2881255Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709002A (en) * | 2018-07-30 | 2018-10-26 | 乐清市阀门厂 | A kind of high-speed ventilation valve |
| CN109716001A (en) * | 2016-07-21 | 2019-05-03 | 文迪克公司 | Pressure relief valve |
| CN113586777A (en) * | 2021-07-02 | 2021-11-02 | 上海外高桥造船有限公司 | Vacuum breaking valve for condensate pipeline of marine air conditioner |
| CN114738527A (en) * | 2022-03-23 | 2022-07-12 | 中国舰船研究设计中心 | High-speed ventilation valve and ventilation system of jet fuel cabin for ship |
| CN115370802A (en) * | 2022-09-23 | 2022-11-22 | 广船国际有限公司 | Ventilation valve structure and ship |
-
2006
- 2006-01-26 CN CN 200620069124 patent/CN2881255Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716001A (en) * | 2016-07-21 | 2019-05-03 | 文迪克公司 | Pressure relief valve |
| EP3488132A4 (en) * | 2016-07-21 | 2019-08-14 | Ventiq AS | Pressure relief valve |
| CN109716001B (en) * | 2016-07-21 | 2021-02-05 | 文迪克公司 | Pressure relief valve |
| US10962127B2 (en) | 2016-07-21 | 2021-03-30 | Ventiq As | Pressure relief valve |
| JP7011849B2 (en) | 2016-07-21 | 2022-01-27 | ヴェンティク エーエス | Pressure relief valve |
| CN108709002A (en) * | 2018-07-30 | 2018-10-26 | 乐清市阀门厂 | A kind of high-speed ventilation valve |
| CN108709002B (en) * | 2018-07-30 | 2023-09-05 | 乐清市阀门厂 | High-speed breather valve |
| CN113586777A (en) * | 2021-07-02 | 2021-11-02 | 上海外高桥造船有限公司 | Vacuum breaking valve for condensate pipeline of marine air conditioner |
| CN113586777B (en) * | 2021-07-02 | 2023-05-26 | 上海外高桥造船有限公司 | Vacuum breaking valve for condensed water pipeline of marine air conditioner |
| CN114738527A (en) * | 2022-03-23 | 2022-07-12 | 中国舰船研究设计中心 | High-speed ventilation valve and ventilation system of jet fuel cabin for ship |
| CN115370802A (en) * | 2022-09-23 | 2022-11-22 | 广船国际有限公司 | Ventilation valve structure and ship |
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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: 20070321 Termination date: 20100228 |