CN206918628U - A kind of crude oil storage tank gas concentration unit - Google Patents
A kind of crude oil storage tank gas concentration unit Download PDFInfo
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- CN206918628U CN206918628U CN201720449213.1U CN201720449213U CN206918628U CN 206918628 U CN206918628 U CN 206918628U CN 201720449213 U CN201720449213 U CN 201720449213U CN 206918628 U CN206918628 U CN 206918628U
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- Prior art keywords
- valve
- gas
- storage tank
- compressor
- crude oil
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Abstract
The utility model provides a kind of crude oil storage tank gas concentration unit, including gas buffer tank, compressor, holding vessel, stop valve, safety valve, hand-operated valve, tapping valve, manually valve is connected the gas buffer tank with compressor, compressor connects holding vessel by pipeline, the gas buffer tank sets tapping valve respectively with storage pot bottom, manually valve connects between the gas buffer tank and stop valve, and the safety valve set at the top of the hand-operated valve and holding vessel set at the top of the gas buffer tank is in parallel.The utility model knot makes full use of the pressure energy of volatilization gas and temperature energy in storage tank, the valuable gas that recovery storage tank evaporates, compress and be stored in fixed storage tank, deliver to treatment plant and concentrate purification and recycling process, it can apply in the station such as oil field ground multi-purpose station, tank farm, oil depot, reduce the environmental pollution that gaseous volatilization is brought, reduce security risk, valuable gas is reclaimed simultaneously, is economized on resources.
Description
Technical field
It the utility model is related to crude oil production, technical field of transportation, and in particular to defeated in oilfield surface engineering Crude Oil collection
During, reclaimed for the light-component gas volatilized in crude oil storage tank, store a kind of crude oil storage tank gas used
Retracting device.
Background technology
During the collection of crude oil is defeated, without the crude oil of the stable processing of crude oil, containing substantial amounts of light-component gas, such as
The compositions such as CH4, C2H6, C3H8, during the preliminary working of crude oil, these light components can be evaporate into gaseous form in storage tank
In air, amount of gas is volatilized very according to visible document in the prior art and the data of oil field offer, crude oil
Huge, equivalent to the 10%~20% of year exploitation total amount, these gases do not take way of recycling to handle, and only pass through crude oil storage tank
Breather valve is discharged into air, causes the waste of the energy.
Research shows：Gaseous volatilization during crude storage is specially mainly due to from storage tank loss through breathing：Work as original
When oil tank stores liquid, liquid level is raised, and breather pipe of the volatilization gas through tank top in tank is discharged into air, in storage tank
Gas can change with day-night change, during daytime, temperature rise, the fluid temperature in storage tank is with rise, tolerance of volatilizing
Increase, gaseous pressure rise, oil gas will be discharged into air in tank.Repeatedly surveyed according to relevant data, gasoline is due to entering
Loss through breathing rate caused by liquid is about 0.8~1.4kg/ (t ﹒ times), and the proportion of goods damageds of crude oil are about 0.6~1.0kg/ (t ﹒ times).I
The gasoline of state's northern area due to caused by difference variation year the proportion of goods damageds be about 0.70%, southern area is about 0.79%；So
After substantial amounts of crude oil gas is emitted into air, serious environmental pollution can be also caused.And the main component of these gases is
The flammable explosive gas such as CH4, C2H6, C3H8, explosive mixed gas can be formed after being mixed with air, run into spark, electrostatic and
High temperature heat source just has the danger of blast at any time.The gas volatilized also has larger toxicity, makes one to feel dizzy difficult after suction
By being constituted a threat to the health of the mankind.
Therefore, in order to reduce the waste of Gas Energy Source and reduce pollution to environment, it is necessary to which crude oil is evaporated
Gas is reclaimed and utilized.
Utility model content
For the drawbacks described above and problem of prior art, technical problem to be solved in the utility model is to provide a kind of original
Oil tank gas concentration unit, its object is to reduce environmental pollution and the potential safety hazard that oil gas volatilization is brought, while recovery has
The gas of value.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of crude oil storage tank gas concentration unit, including gas buffer tank, compressor, holding vessel, stop valve, safety valve,
Hand-operated valve, tapping valve, manually valve is connected the gas buffer tank with compressor, and compressor connects holding vessel by pipeline,
The gas buffer tank sets tapping valve respectively with storage pot bottom, manually valve between the gas buffer tank and stop valve
Connection, the safety valve that the hand-operated valve and holding vessel top that the gas buffer tank top is set are set are in parallel.
In above-mentioned technical proposal, the compressor is the multistage compressor with cooling medium.
In above-mentioned technical proposal, the stop valve is the ball valve of gas-powered, the ball valve of electromagnetic drive and liquid driven
Ball valve.
In above-mentioned technical proposal, the stop valve connects crude oil storage tank.
The utility model is simple in construction, low manufacture cost, makes full use of the pressure energy and temperature of volatilization gas in storage tank
Can, the valuable gas that recovery storage tank evaporates, compress and be stored in fixed storage tank, deliver to treatment plant and concentrate purification
With the process of recycling, it can apply in the station such as oil field ground multi-purpose station, tank farm, oil depot, reduce the ring that gaseous volatilization is brought
Border is polluted, and reduces security risk, while reclaims valuable gas, is economized on resources.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model embodiment 1.
Fig. 3 is the structural representation of the utility model embodiment 2.
Wherein, 1：Gas buffer tank, 2：Compressor, 3：Holding vessel, 4：Stop valve, 5：Safety valve, 6：Hand-operated valve, 7：Discharge opeing
Valve, 8：Petroleum tank, 9：Blowdown system, 10：Crude oil storage tank gas concentration unit, 11：Pipeline.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described,
Obviously, described embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on this practicality
Embodiment in new, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of the utility model protection.
According to Fig. 1, as a kind of crude oil storage tank gas concentration unit shown in embodiment, including gas buffer tank,
Compressor, holding vessel, stop valve, safety valve, hand-operated valve, tapping valve, manually valve connects the gas buffer tank with compressor
Connect, compressor connects holding vessel by pipeline, and the gas buffer tank sets tapping valve, the gas respectively with storage pot bottom
Manually valve connects between buffer tank and stop valve, and stop valve is located adjacent to gas buffer tank position, and stop valve drives for gas
The ball valve of dynamic ball valve, the ball valve of electromagnetic drive and liquid driven.
The safety valve access emptying system in parallel set at the top of the hand-operated valve and holding vessel set at the top of the gas buffer tank
System.
In implementation process, by crude oil storage tank top drilling, hand-operated valve is installed, hand-operated valve fills with the recovery of crude oil storage tank gas
The stop valve connection put, crude oil storage tank gas concentration unit cache to the gas that crude oil storage tank volatilizes, compress and store
In fixed storage tank, the holding vessel of gas recovery, the blowdown system of safety guarantee is set, ensures whole crude oil storage tank gas recovery
The safe operation of device, such as part that system respectively forms, stop valve, safety valve and manually-operated gate etc. are connected by pipeline.
Stop valve is ball valve, the ball valve of electromagnetic drive and the ball valve of liquid driven of gas-powered.
Gas compressor can be single-screw, double-screw type and three screw compressors, and centrifugal single-stage compressor is more
Compressor of the level with cooling medium, gas compressor carry control system, can be that single device in-site installation or skid are moved
Assembling mode.
According to Fig. 2, the present embodiment provides a kind of crude oil storage tank gas recovery embodiment, including two tool 2000m3 crude oil
Storage tank, two tool 20m3 gas buffer tanks, a compressor, a tool 40m3 holding vessels, blowdown system, two stop valves, safety
Valve, hand-operated valve and tapping valve.
Manually valve is attached for crude oil storage tank and stop valve, and stop valve end is divided into two branch pipe(tube)s, wherein one
By-pass line connects by hand-operated valve with gas buffer tank, and another branch pipe(tube) connects by hand-operated valve with buffer tank, carries out normal
When gas reclaims, using the flow of the using and the reserved.Gas buffer tank exports respectively manually valve and multistage with refrigerating function
Compressor connects, and compressor air-discharging amount is 12Nm3/min, and pressure of inspiration(Pi) is normal pressure, pressure at expulsion 2.2MPa (A).After compression
Gas is reclaimed by tube storage in holding vessel, setting safety valve prevents pressure for the pressure in protective pot at the top of holding vessel
It is excessive, holding vessel safety is influenceed, the hand-operated valve of safety valve and gas buffer tank, which is connected in parallel, imports blowdown system, according to calculating
Two recyclable 40 DEG C per hour of tool 2000m3 crude oil storage tanks, pressure 2.4MPa (A), 33m3 gas.
According to Fig. 3, the present embodiment provides a kind of crude oil storage tank gas recovery embodiment, including 1 tool 2000m3 crude oil
Storage tank, a tool 20m3 gas buffer tanks, a compressor, a tool 40m3 holding vessels, blowdown system, a stop valve, safety valve,
Hand-operated valve and tapping valve composition, the gas recovery system include a plurality of pipeline connecting device and valve successively.Gas buffer tank, pressure
Contracting machine, holding vessel stop valve use skid-mounted type Installation Modes, mobile flexible management.
The hand-operated valve that crude oil storage tank and stop valve pass through is attached, and stop valve passes through DN100, PN16 hand-operated valves and gas
Buffer tank connects, and is provided with drain at the top of gas buffer tank, manually valve connects drain with blowdown system.Gas caches
Manually valve connects tank with the multistage compressor with refrigerating function, and compressor air-discharging amount is 8.3Nm3/min, and pressure of inspiration(Pi) is
Normal pressure, pressure at expulsion 1.1MPa (A).Recovery gas after compression, in holding vessel, sets peace by tube storage at the top of holding vessel
Full valve prevents that pressure is excessive, influences the hand-operated valve of holding vessel safety, safety valve and gas buffer tank for the pressure in protective pot
It is connected in parallel and imports blowdown system, has recyclable 40 DEG C per hour of 1000m3 crude oil storage tanks, pressure 1.1MPa according to calculating one
(A), 31.54m3 gas.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be described with power
The protection domain that profit requires is defined.
Claims (4)
- A kind of 1. crude oil storage tank gas concentration unit, it is characterised in that：Including gas buffer tank, compressor, holding vessel, cut-out Valve, safety valve, hand-operated valve, tapping valve, manually valve is connected the gas buffer tank with compressor, and compressor is connected by pipeline Holding vessel is connect, the gas buffer tank sets tapping valve respectively with storage pot bottom, between the gas buffer tank and stop valve Manually valve connects, and the safety valve set at the top of the hand-operated valve and holding vessel set at the top of the gas buffer tank is in parallel.
- A kind of 2. crude oil storage tank gas concentration unit according to claim 1, it is characterised in that：The stop valve connection is former Oil tank.
- A kind of 3. crude oil storage tank gas concentration unit according to claim 1 or 2, it is characterised in that：The compressor is The multistage compressor with cooling medium.
- A kind of 4. crude oil storage tank gas concentration unit according to claim 3, it is characterised in that：The stop valve is gas The ball valve of the ball valve of driving, the ball valve of electromagnetic drive and liquid driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449213.1U CN206918628U (en) | 2017-04-26 | 2017-04-26 | A kind of crude oil storage tank gas concentration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449213.1U CN206918628U (en) | 2017-04-26 | 2017-04-26 | A kind of crude oil storage tank gas concentration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206918628U true CN206918628U (en) | 2018-01-23 |
Family
ID=61306227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720449213.1U Expired - Fee Related CN206918628U (en) | 2017-04-26 | 2017-04-26 | A kind of crude oil storage tank gas concentration unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN206918628U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989268A (en) * | 2017-04-26 | 2017-07-28 | 陕西宇阳石油科技工程有限公司 | A kind of crude oil storage tank gas concentration unit |
| CN108692184A (en) * | 2018-05-03 | 2018-10-23 | 马义涛 | Compression gas storage method automatically controls volatility chemical products gas recovery techniques |
| CN108843967A (en) * | 2018-06-23 | 2018-11-20 | 邓建凯 | A kind of natural gas extraction gas storage device |
| CN114199059A (en) * | 2021-12-06 | 2022-03-18 | 中国电力工程顾问集团中南电力设计院有限公司 | Pressure self-balancing type high-temperature hot water heat storage system and operation method thereof |
-
2017
- 2017-04-26 CN CN201720449213.1U patent/CN206918628U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989268A (en) * | 2017-04-26 | 2017-07-28 | 陕西宇阳石油科技工程有限公司 | A kind of crude oil storage tank gas concentration unit |
| CN108692184A (en) * | 2018-05-03 | 2018-10-23 | 马义涛 | Compression gas storage method automatically controls volatility chemical products gas recovery techniques |
| CN108843967A (en) * | 2018-06-23 | 2018-11-20 | 邓建凯 | A kind of natural gas extraction gas storage device |
| CN114199059A (en) * | 2021-12-06 | 2022-03-18 | 中国电力工程顾问集团中南电力设计院有限公司 | Pressure self-balancing type high-temperature hot water heat storage system and operation method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20200426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |