CN206032279U - Vault storage tank vapor recovery system device - Google Patents
Vault storage tank vapor recovery system device Download PDFInfo
- Publication number
- CN206032279U CN206032279U CN201620985999.4U CN201620985999U CN206032279U CN 206032279 U CN206032279 U CN 206032279U CN 201620985999 U CN201620985999 U CN 201620985999U CN 206032279 U CN206032279 U CN 206032279U
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- oil
- gas
- pipeline
- adsorption tanks
- storage tank
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Abstract
The utility model discloses a vault storage tank vapor recovery system device, including sampling probe, pressure sensor, draught fan, at least one adsorption tanks, vacuum pump, oil -gas separation jar and dump pump, sampling probe and vault storage tank level upper portion space intercommunication, sampling probe passes through the pipeline and is connected with the draught fan, the draught fan passes through the pipeline and is connected with adsorption tanks, adsorption tanks pass through pipeline and vacuum pump connection, the vacuum pump passes through the pipeline and is connected with the oil -gas separation jar, pipeline and vault storage tank level upper portion space intercommunication are passed through to the upper portion of oil -gas separation jar, dump pump and vault storage tank intercommunication are passed through to the lower part of oil -gas separation jar. The utility model discloses it is main to the respiratory problem of breathing vent, through automated inspection storage tank internal pressure, the breather valve takes the oil gas in the storage tank out before starting to reducing a jar internal pressure, effectively having avoided the breather valve to open the loss that causes, simultaneously, the oil gas of taking out reaches the vapor recovery system purpose in sending the storage tank back to after handling.
Description
Technical field
This utility model is related to a kind of Dome roof tank device for recovering oil and gas.
Background technology
Dome roof tank refers to tank deck for a kind of steel vessel that spherical crown shape, tank body are cylinder.Dome roof tank is simple to manufacture,
It is cheap, so at home and abroad many sector applications are the most extensive.
The oil product of static storage in oil storage tank, when pressure inside the tank is raised, when pressure reaches breather valve permissible value, oil vapour
Just loss is caused outside effusion tank.Contraction of gas in tank, oil gas condense, and pressure inside the tank declines, and allow very when pressure drops to breather valve
During null value, air is entered in tank, reduces the gas concentration of the gas compartment, is created conditions for oil gas evaporation after temperature rising again.
Utility model content
Goal of the invention of the present utility model is：Offer is a kind of can to take out the oil gas in storage tank before breather valve starts
Go out, to reduce pressure inside the tank, while the Dome roof tank device for recovering oil and gas recycled by the oil gas to extracting out.
What the technical solution of the utility model was realized in：A kind of Dome roof tank device for recovering oil and gas, it is characterised in that：
Including sampling probe, pressure transducer, air-introduced machine, at least one adsorption tanks, vacuum pump, catch pot and scavenge oil pump, institute
State sampling probe to be placed in Dome roof tank and connect with ullage space in Dome roof tank, the pressure transducer is used for monitoring
The pressure of ullage space in Dome roof tank, the sampling probe are connected with air-introduced machine by pipeline, and the air-introduced machine passes through
Pipeline is connected with adsorption tanks, and the adsorption tanks are connected with vacuum pump by pipeline, and the vacuum pump passes through pipeline and Oil-gas Separation
Tank connects, and the upper gas outlet of the catch pot is connected with ullage space in Dome roof tank by pipeline, described
The lower liquid outlet of catch pot is connected with Dome roof tank by scavenge oil pump.
Dome roof tank device for recovering oil and gas described in the utility model, which is arranged at the top discharge mouth of the adsorption tanks
The top discharge mouth for having oil gas sensor, the adsorption tanks is connected with air-introduced machine by pipeline, the air-introduced machine by pipeline with
The bottom air inlet connection of adsorption tanks, is integrally formed a closed circuit.
Dome roof tank device for recovering oil and gas described in the utility model, its described oil gas sensor is for the row to adsorption tanks
Put gas concentration at mouth to be monitored, the adsorption tanks are provided with multiple, when gas concentration meets or exceeds setting value, pass through
The oil-gas switch of extraction is adsorbed by valve to another adsorption tanks, and starts vacuum pump, and gas concentration is reached setting
Oil gas in the adsorption tanks of value is delivered to.
Dome roof tank device for recovering oil and gas described in the utility model, which works as pressure sensor monitoring in Dome roof tank
When pressure reaches the upper pressure limit value of setting, the air-introduced machine starts, and the upper pressure limit value of the setting is less than Dome roof tank top
The breathing valve opening pressure value that portion is provided with；When pressure of the pressure sensor monitoring in Dome roof tank is reached under the pressure of setting
During limit value, the air-introduced machine stops.
Problem of this utility model mainly for exhalation of tank, by automatic detection tank internal pressure, opens in breather valve
Before dynamic extracting the oil gas in storage tank out carries out molecular sieve adsorption, so as to reduce pressure inside the tank, effectively prevent breather valve and opens
The loss for causing is opened, meanwhile, the oil gas of extraction is being sent back in storage tank after treatment, so as to reach the mesh of petroleum vapor recovery again
's.This device adopts Miniaturization Design, equipment power dissipation to substantially reduce, it is to avoid larger hydrocarbon recovery system investment it is expensive, operation consumption
The big shortcoming of energy.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Labelling in figure：1 is sampling probe, and 2 is pressure transducer, and 3 is air-introduced machine, and 4 is adsorption tanks, and 5 is vacuum pump, and 6 are
Catch pot, 7 is scavenge oil pump, and 8 is Dome roof tank, and 9 is oil gas sensor.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
As shown in figure 1, a kind of Dome roof tank device for recovering oil and gas, including sampling probe 1, pressure transducer 2, air-introduced machine 3,
At least one adsorption tanks 4, vacuum pump 5, catch pot 6 and scavenge oil pump 7, the sampling probe 1 be placed in Dome roof tank 8 and
Connect with ullage space in Dome roof tank 8, the pressure transducer 2 is used for monitoring ullage space in Dome roof tank 8
Pressure, the sampling probe 1 is connected with air-introduced machine 3 by pipeline, and the air-introduced machine 3 is connected with adsorption tanks 4 by pipeline, institute
State adsorption tanks 4 to be connected with vacuum pump 5 by pipeline, the vacuum pump 5 is connected with catch pot 6 by pipeline, the oil gas
The upper gas outlet of knockout drum 6 is connected with ullage space in Dome roof tank 8 by pipeline, the catch pot 6
Lower liquid outlet is connected with Dome roof tank 8 by scavenge oil pump 7.
Wherein, it is when the pressure in pressure transducer 2 monitors Dome roof tank 8 reaches the upper pressure limit value of setting, described
Air-introduced machine 3 starts, and the upper pressure limit value of the setting is less than the breathing valve opening pressure value being provided with the top of Dome roof tank 8；When
When pressure transducer 2 monitors that the pressure in Dome roof tank 8 reaches the low pressure limit value of setting, the air-introduced machine 3 stops.
Oil gas sensor 9, the top discharge mouth of the adsorption tanks 4 is provided with the top discharge mouth of the adsorption tanks 4
Connected with air-introduced machine 3 by pipeline, the air-introduced machine 3 is connected with the bottom air inlet of adsorption tanks 4 by pipeline, is integrally formed one
Closed circuit, for being monitored to gas concentration at the floss hole of adsorption tanks 4, the adsorption tanks 4 set the oil gas sensor 9
Be equipped with it is multiple, when gas concentration meets or exceeds setting value, by valve by extract out oil-gas switch to another absorption
Tank 4 is adsorbed, and starts vacuum pump 5, gas concentration is reached the oil gas in the adsorption tanks 4 of setting value and delivers to catch pot
Oil-gas Separation is carried out in 6.
Operation principle of the present utility model is：
The pressure of pressure transducer real-time monitoring tank inside, raises oil temperature when daytime by sun heat radiation, cause on
Portion's space gases expansion and pasta evaporation aggravation, pressure inside the tank are increased, and pressure sensor monitoring pressure inside the tank reaches breathing
Valve opening pressure 70%（Can change）When, start to start air-introduced machine, the oil gas in tank is extracted in adsorption tanks, adsorb oil gas
Middle oil vapour, discharges after absorption, when tank inner pressure is less than breathing valve opening pressure 10%（Can change）When stop, air-introduced machine stops
Only work.Oil gas sensor is set in the floss hole of adsorption tanks, when the gas concentration of floss hole exceedes certain value, the suction is illustrated
Oil-gas switch is adsorbed to another adsorption tanks by valve transfer, is then started vacuum pump by attached tank saturation, right
The adsorption tanks of saturation carry out vacuum analysis, and resolution gas carry out Oil-gas Separation by catch pot, and gas is returned directly to storage tank
In, liquid is saved bit by bit in catch pot bottom, after liquid level reaches limit value, starts scavenge oil pump, fluid oil is returned storage
Tank, so that realize the effect of petroleum vapor recovery.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (4)
1. a kind of Dome roof tank device for recovering oil and gas, it is characterised in that：Including sampling probe（1）, pressure transducer（2）, air inducing
Machine（3）, at least one adsorption tanks（4）, vacuum pump（5）, catch pot（6）And scavenge oil pump（7）, the sampling probe（1）
It is placed in Dome roof tank（8）Interior and and Dome roof tank（8）Interior ullage space connection, the pressure transducer（2）For monitoring
Dome roof tank（8）The pressure of interior ullage space, the sampling probe（1）By pipeline and air-introduced machine（3）Connection, it is described to draw
Blower fan（3）By pipeline and adsorption tanks（4）Connection, the adsorption tanks（4）By pipeline and vacuum pump（5）Connection, the vacuum
Pump（5）By pipeline and catch pot（6）Connection, the catch pot（6）Upper gas outlet by pipeline and arch
Top storage tank（8）Interior ullage space connection, the catch pot（6）Lower liquid outlet pass through scavenge oil pump（7）With arch
Top storage tank（8）Connection.
2. Dome roof tank device for recovering oil and gas according to claim 1, it is characterised in that：In the adsorption tanks（4）Top
Oil gas sensor is provided with portion's floss hole（9）, the adsorption tanks（4）Top discharge mouth pass through pipeline and air-introduced machine（3）Even
It is logical, the air-introduced machine（3）By pipeline and adsorption tanks（4）Bottom air inlet connection, a closed circuit is integrally formed.
3. Dome roof tank device for recovering oil and gas according to claim 2, it is characterised in that：The oil gas sensor（9）With
In to adsorption tanks（4）Floss hole at gas concentration be monitored, the adsorption tanks（4）Be provided with it is multiple, when gas concentration reaches
To or exceed setting value when, by valve by extract out oil-gas switch to another adsorption tanks（4）Adsorbed, and started true
Empty pump（5）, gas concentration is reached into the adsorption tanks of setting value（4）Interior oil gas delivers to catch pot（6）Oil gas point is carried out inside
From.
4. the Dome roof tank device for recovering oil and gas according to claim 1,2 or 3, it is characterised in that：Work as pressure transducer（2）
Monitor Dome roof tank（8）When interior pressure reaches the upper pressure limit value of setting, the air-introduced machine（3）Start, the setting
Upper pressure limit value is less than Dome roof tank（8）The breathing valve opening pressure value that top is provided with；Work as pressure transducer（2）Monitor arch
Top storage tank（8）When interior pressure reaches the low pressure limit value of setting, the air-introduced machine（3）Stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620985999.4U CN206032279U (en) | 2016-08-30 | 2016-08-30 | Vault storage tank vapor recovery system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620985999.4U CN206032279U (en) | 2016-08-30 | 2016-08-30 | Vault storage tank vapor recovery system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206032279U true CN206032279U (en) | 2017-03-22 |
Family
ID=58304234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620985999.4U Active CN206032279U (en) | 2016-08-30 | 2016-08-30 | Vault storage tank vapor recovery system device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206032279U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108861179A (en) * | 2018-07-11 | 2018-11-23 | 杜利兵 | A kind of nitrogen-filled seal of volatility oil storage tank and refrigeration-type gas recovery system for oil and method |
| CN110562620A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | safe recovery system and recovery process for VOCs in heavy oil storage tank |
| CN112082088A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | System and method for recovering residual liquid in loading and unloading of liquefied hydrocarbon |
| CN112082086A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | Supercharged liquefied hydrocarbon loading and unloading residual liquid recovery system and method |
-
2016
- 2016-08-30 CN CN201620985999.4U patent/CN206032279U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562620A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | safe recovery system and recovery process for VOCs in heavy oil storage tank |
| CN110562620B (en) * | 2018-06-06 | 2021-10-12 | 中国石油化工股份有限公司 | Safe recovery system and recovery process for VOCs in heavy oil storage tank |
| CN108861179A (en) * | 2018-07-11 | 2018-11-23 | 杜利兵 | A kind of nitrogen-filled seal of volatility oil storage tank and refrigeration-type gas recovery system for oil and method |
| CN112082088A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | System and method for recovering residual liquid in loading and unloading of liquefied hydrocarbon |
| CN112082086A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | Supercharged liquefied hydrocarbon loading and unloading residual liquid recovery system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |