CN205837686U - Petroleum storage tank respiratory system - Google Patents
Petroleum storage tank respiratory system Download PDFInfo
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- CN205837686U CN205837686U CN201620758057.2U CN201620758057U CN205837686U CN 205837686 U CN205837686 U CN 205837686U CN 201620758057 U CN201620758057 U CN 201620758057U CN 205837686 U CN205837686 U CN 205837686U
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- interface
- storage tank
- gas
- respiratory system
- nitrogen
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Abstract
The open petroleum storage tank respiratory system of this utility model, including the breather valve being positioned at tank top, described breather valve connects a Y connection, described Y connection includes the main body of cylindrical shape, the sidewall of described main body is provided with oil gas interface and nitrogen interface, and described oil gas interface connects device for recovering oil and gas, and described nitrogen interface connects nitrogen supplying tank, it is additionally provided with rotary seal closure plate in Y connection, connects oil gas interface or nitrogen interface in order to switch breather valve.Major advantage of the present utility model is: is provided with device for recovering oil and gas and can reclaim the oil gas of storage tank volatilization, it is to avoid pollutes environment；It is provided with nitrogen supplying tank and noble gas can be provided when tank inner pressure is relatively low, it is to avoid oil gas or air in device for recovering oil and gas enter storage tank and cause tank inside corrosion aggravation.
Description
Technical field
This utility model relates to gas of oil storage tank exhaust system, in particular to storage tank respiratory system.
Background technology
For reducing Loss of Oil Evaporation, reducing the pollution to environment, people began to research before half a century and visit
Rope reduces the measure of Loss of Oil Evaporation, as " CN202244894U " discloses a kind of oil vapor breathing loss recovery device, utilizes
Air bag is connected with pressure-and-vacuum release valve, constitutes closed system with oil tank, and the oil gas of breather valve exhalation can enter in air bag, it is possible to
Oil vapour is avoided to enter air, and when being less than the threshold pression that breather valve can bear in oil tank, the oil vapour quilt in air bag
Suck in oil tank.Although it can be avoided that oil gas is directly discharged in environment pollute, but oil gas is sucked back to meeting in oil tank
Cause level fluctuation in tank, cause liquid level to be formed about chemical attack or electrochemical corrosion, add that gas concentration increases, add especially
Acute corrosion, totally unfavorable to storage tank maintenance.
Utility model content
This utility model aims to provide petroleum storage tank respiratory system, to solve storage tank inside and outside air pressure balance problem, and prevents
The phenomenon of the gas aggravation tank inside corrosion entering storage tank occurs.
Petroleum storage tank respiratory system, including being positioned at the breather valve of tank top, described breather valve connects a Y connection, institute
Stating Y connection and include the main body of cylindrical shape, described main body wall is provided with oil gas interface and nitrogen interface, described oil gas interface
Connecting device for recovering oil and gas, described nitrogen interface connects nitrogen supplying tank, is additionally provided with rotary seal closure plate, in order to cut in Y connection
Change breather valve and connect oil gas interface or nitrogen interface.
Further, described Y connection is additionally provided with atmosphere interface, and atmosphere interface is provided with normal closed gate.
Further, described oil gas interface, nitrogen interface, atmosphere connection port are positioned at sustained height, and three is each other
Distance equal, described rotary seal closure plate can block two interfaces simultaneously.
Further, the main body inner wall of described Y connection is provided with proximity switch, and oil gas interface and nitrogen interface it
Between, midpoint between oil gas interface and atmosphere interface, between nitrogen interface and atmosphere interface be equipped with described connecing
Nearly switch.
Further, the middle part of described rotary seal closure plate is embedded with the metal detection body mated with described proximity switch.
Further, described rotary seal closure plate is connected with center rotational shaft by connecting rod, and described center rotational shaft and a motor are even
Connect.
Further, it is provided with pressure of storage tank sensor in described breather valve.
Further, described proximity switch, pressure of storage tank sensor, motor are all connected with a control system.
Further, described device for recovering oil and gas be provided with big recycling can, the air pump being connected on described big recycling can and
Air bag, air bag and described oil gas orifice, described air pump can be on the gas pump in air bag to big recycling can, in making air bag
Air pressure keeps being equal to atmospheric pressure.
Further, in described air bag, it is provided with gasbag pressure sensor, and gasbag pressure sensor and described control system
Connect.
The utility model has the advantage of: be provided with device for recovering oil and gas and can reclaim the oil gas of storage tank volatilization, it is to avoid pollute ring
Border；It is provided with nitrogen supplying tank and noble gas can be provided when tank inner pressure is relatively low, it is to avoid the oil gas in device for recovering oil and gas
Or air enters storage tank and causes tank inside corrosion aggravation；Being provided with atmosphere interface can be at nitrogen device as safety measures
Time malfunctioning with device for recovering oil and gas, storage tank inner and outer air pressure is uneven；It is provided with pressure of storage tank sensor, it is possible to perception storage tank needs row
Oil gas needs for inhaling nitrogen, makes motor drive rotary seal closure plate to rotate, and additionally proximity switch can detect rotary seal closure plate and is
No being rotated in place blocks two interfaces simultaneously, it is to avoid gas system is the most sternly upset in closure.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is overall plan structure schematic diagram of the present utility model；
Fig. 2 is Y connection plan structure schematic diagram of the present utility model.
Detailed description of the invention
In order to solve storage tank discharge oil vapour pollution air, air enters storage tank and increases the weight of the problems such as tank inside corrosion, this reality
With novel offer petroleum storage tank respiratory system.
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is carried out clearly and completely
Describe, it is clear that described is only a part of embodiment of this utility model rather than whole embodiments.Based on this practicality
Embodiment in novel, it is every other that those of ordinary skill in the art are obtained on the premise of not making creative work
Embodiment, broadly falls into the scope of this utility model protection.
As shown in Figure 1-2, petroleum storage tank respiratory system, including being positioned at the breather valve at storage tank 1 top, described breather valve connects
One Y connection 5, described Y connection 5 includes the main body of cylindrical shape, and described main body wall is provided with oil gas interface 6 and nitrogen connects
Mouth 8, described oil gas interface 6 connects device for recovering oil and gas, and described nitrogen interface 8 connects nitrogen supplying tank 10, in Y connection also
It is provided with rotary seal closure plate 52, connects oil gas interface 6 or nitrogen interface 8 in order to switch breather valve.
Described Y connection 5 is additionally provided with atmosphere interface 9, and atmosphere interface is provided with normal closed gate.
Described oil gas interface 6, nitrogen interface 8, atmosphere connection port 9 be positioned at same level height, and three is each other
Apart from equal, described rotary seal closure plate 52 can block two interfaces simultaneously.
The main body inner wall of described Y connection 5 is provided with between proximity switch, and oil gas interface 6 and nitrogen interface 8, oil gas
Midpoint between interface 6 and atmosphere interface 9, between nitrogen interface 8 and atmosphere interface 9 is equipped with described close to opening
Close.
The middle part of described rotary seal closure plate 52 is embedded with the metal detection body mated with described proximity switch.
Described rotary seal closure plate 52 is connected with center rotational shaft 51 by connecting rod, and described center rotational shaft 51 is connected with a motor.
It is provided with pressure of storage tank sensor in described breather valve 5.
Described proximity switch, pressure of storage tank sensor, motor are all connected with a control system.
Described device for recovering oil and gas is provided with big recycling can, the air pump 4 being connected on described big recycling can 3 and air bag 2, gas
Capsule 2 connects with described oil gas interface 6, and described air pump 4 can be on the gas pump in air bag 2 to big recycling can 3, in making air bag 2
Air pressure keeps being equal to atmospheric pressure.
It is provided with gasbag pressure sensor in described air bag 2, and gasbag pressure sensor is connected with described control system.
According to the air pressure signal of tank pressure sensor collection, control system judges that storage tank 1 internal pressure is the most excessive, when
When pressure is excessive, control system sends instruction makes motor drive rotary seal closure plate 52 to rotate, and blocks nitrogen interface 8 and air connects
Connecting mouth 9, connect device for recovering oil and gas, unnecessary oil gas drains in air bag 2 from breather valve, when gasbag pressure sensor transmission
Pressure data exceed control system set numerical value, air pump 4 work in oil gas pump to big recycling can 3；When tank pressure passes
The air pressure signal that sensor is collected shows that when being storage tank 1 internal pressure subatmospheric power, control system sends instruction makes motor drive
Dynamic rotary seal closure plate rotates, and blocks oil gas interface 6 and atmosphere interface 9, and nitrogen is filled with storage tank 1 from nitrogen supplying tank
In, noble gas dilution gas concentration, will not aggravate storage tank 1 internal corrosion.After motor stops, if rotary seal closure plate 52 can not revolve
Forwarding position to, metal detection body can not be in the induction range of proximity switch, and control system can be reported to the police, and makes staff learn exception
Situation, overhauls obstacle in time.Normal closed gate on atmosphere interface 9 is normally closed, if system occurs abnormal, can open normally close valve
Door, makes breather valve eupnea.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to
Assert that of the present utility model being embodied as is confined to these explanations.Ordinary skill for this utility model art
For personnel, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should regard
For belonging to protection domain of the present utility model.
Claims (10)
1. petroleum storage tank respiratory system, it is characterised in that include the breather valve being positioned at tank top, described breather valve connects one point
Fork-join head, described Y connection includes the main body of cylindrical shape, and the sidewall of described main body is provided with oil gas interface and nitrogen interface, institute
Stating oil gas interface and connect device for recovering oil and gas, described nitrogen interface connects nitrogen supplying tank, is additionally provided with rotary seal in Y connection
Closure plate, connects oil gas interface or nitrogen interface in order to switch breather valve.
2. petroleum storage tank respiratory system as claimed in claim 1, it is characterised in that described Y connection is additionally provided with atmosphere and connects
Mouthful, atmosphere interface is provided with normal closed gate.
3. petroleum storage tank respiratory system as claimed in claim 2, it is characterised in that described oil gas interface, nitrogen interface, air are even
Port is positioned at sustained height, and the distance that three is each other is equal, and described rotary seal closure plate can block two interfaces simultaneously.
4. petroleum storage tank respiratory system as claimed in claim 3, it is characterised in that the main body inner wall of described Y connection is provided with
Between proximity switch, and oil gas interface and nitrogen interface, between oil gas interface and atmosphere interface, nitrogen interface and air even
Connect the midpoint between mouth and be equipped with described proximity switch.
5. petroleum storage tank respiratory system as claimed in claim 4, it is characterised in that the middle part of described rotary seal closure plate is embedded with and institute
State the metal detection body of proximity switch coupling.
6. petroleum storage tank respiratory system as claimed in claim 5, it is characterised in that described rotary seal closure plate is by connecting rod and central authorities
Rotating shaft connects, and described center rotational shaft and a motor connect.
7. petroleum storage tank respiratory system as claimed in claim 6, it is characterised in that be provided with pressure of storage tank sensing in described breather valve
Device.
8. as claimed in claim 7 petroleum storage tank respiratory system, it is characterised in that described proximity switch, pressure of storage tank sensor,
Motor is all connected with a control system.
9. petroleum storage tank respiratory system as claimed in claim 8, it is characterised in that described device for recovering oil and gas is provided with big recovery
Tank, the air pump being connected on described big recycling can and air bag, air bag and described oil gas orifice, described air pump can be gas
Gas pump in capsule, on big recycling can, makes air bag internal gas pressure keep being equal to atmospheric pressure.
10. petroleum storage tank respiratory system as claimed in claim 9, it is characterised in that be provided with gasbag pressure sensing in described air bag
Device, and gasbag pressure sensor is connected with described control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758057.2U CN205837686U (en) | 2016-07-15 | 2016-07-15 | Petroleum storage tank respiratory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758057.2U CN205837686U (en) | 2016-07-15 | 2016-07-15 | Petroleum storage tank respiratory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205837686U true CN205837686U (en) | 2016-12-28 |
Family
ID=57624265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620758057.2U Active CN205837686U (en) | 2016-07-15 | 2016-07-15 | Petroleum storage tank respiratory system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205837686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612873A (en) * | 2018-06-07 | 2018-10-02 | 于丰源 | Safe passive water saving fixtures |
| CN112141554A (en) * | 2020-09-14 | 2020-12-29 | 中核核电运行管理有限公司 | Special plugging device of large-scale storage tank breather valve |
-
2016
- 2016-07-15 CN CN201620758057.2U patent/CN205837686U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612873A (en) * | 2018-06-07 | 2018-10-02 | 于丰源 | Safe passive water saving fixtures |
| CN112141554A (en) * | 2020-09-14 | 2020-12-29 | 中核核电运行管理有限公司 | Special plugging device of large-scale storage tank breather valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |