CN209286983U - A kind of improved VOC recovery system - Google Patents
A kind of improved VOC recovery system Download PDFInfo
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- CN209286983U CN209286983U CN201822055351.9U CN201822055351U CN209286983U CN 209286983 U CN209286983 U CN 209286983U CN 201822055351 U CN201822055351 U CN 201822055351U CN 209286983 U CN209286983 U CN 209286983U
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- voc
- absorbing column
- oil
- reclaimer
- refrigeration machine
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Abstract
The utility model relates to a kind of improved VOC recovery systems, it belongs to VOC recycling field, storage tank, VOC reclaimer, refrigeration machine and absorbing column including storing oil gas, storage tank connects VOC reclaimer by oil gas inlet duct, the gaseous phase outlet of VOC reclaimer connects absorbing column, and refrigeration machine, which is connected, exchanges heat to absorbing column into absorbing column.The utility model can effectively improve VOC recovery efficiency, reduce exhaust gas discharge, and structure is simple, safety and environmental protection, and cleaning efficiency is high.
Description
Technical field
The utility model relates to a kind of process flow systems of improvement VOC recycling, belong to VOC recycling field.
Background technique
Due to carrying out attention of the China to environmental protection this year, VOC recvery facility has been current all trades and professions the one of research
A field.VOC is volatile organic gases compound, is atmosphere pollution relatively conventional and generally existing in atmosphere, if not
By handling direct outlet, it will generate harm to environment and human body, and violate national environmental protection regulation.Existing recovery method
Efficiency is lower and cost recovery is high, has limitation.Therefore it needs a kind of process flow for improving VOC recovery efficiency to realize to improve
The energy consumption of recovery efficiency saving oil-gas recovery device.
Summary of the invention
In view of defect existing for prior art scheme, the utility model provides improved petroleum vapor recovery process facility, in day
It can use remaining cooling capacity under normal oil-gas recovery device job state and recovery column exchange heat and reach preliminary precooling effect, also not
It is recycled with the big oil gas of original concentration is re-circulated to equipment entrance, to achieve the purpose that safety and environmental protection.
In order to achieve the above objectives, the technology employed by the present utility model is a kind of improved VOC recovery system, packet
Storage tank, VOC reclaimer, refrigeration machine and the absorbing column of storage oil gas are included, storage tank connects VOC recycling by oil gas inlet duct and sets
Standby, the gaseous phase outlet of VOC reclaimer connects absorbing column, and refrigeration machine, which is connected, exchanges heat to absorbing column into absorbing column.
Further, the VOC reclaimer include compressor, drainer, refrigeration machine, lime set tank, membrane separation plant and
Emptying device is adsorbed, storage tank is sequentially connected drainer, film point by pipeline by oil gas inlet duct connect compressor, compressor
From equipment and absorption emptying device, the liquid-phase outlet of drainer connects lime set tank, the gas of membrane separation plant and absorption emptying device
Mutually outlet is connected to absorbing column, and refrigeration machine is connected into drainer and exchanges heat to absorbing column.
Further, the lime set tank connects absorbing column.
Further, oil product is set below the absorbing column, be disposed with from bottom to top above oil product the first disperser,
Sieve plate and the second disperser, the first disperser connect high-content oil gas gas phase inlet duct, and the second disperser connects oil tank condensation
Liquid liquid pipe.The larger oil gas of oil content is come into full contact with cold oil by disperser and the laggard mistake of sieve plate, the pre- cold oil of oil gas and oil
Product fusion, which reduces in oil gas, oil content, achievees the purpose that improve oil removal efficiency.
Further, the absorbing column is connected to oil gas inlet duct by pipeline.
Further, the membrane separation plant will ensure the pressure difference of 3~10barg.
Further, to be that oil gas enters in compressor enter improved VOC recovery system recovery method after overcompression
Into drainer, drainer by the cooling capacity of refrigeration machine by part oil gas condensation into lime set tank, remaining oil gas passes through film point
It carries out separation from equipment and send the gas after separation to absorption emptying device to be prepared into acceptable gas emptying, in UF membrane and suction
Attached emptying device recycles a part of high concentrations of gas and enters in absorbing column, and absorbing column passes through exchanging oil product and gas into one
Step absorbs the oil gas of high concentration, and refrigeration machine residue cooling capacity exchanges heat with absorbing column on absorbing column.
The utility model has the following beneficial effects: the utility model can effectively improve VOC recovery efficiency, exhaust gas row is reduced
Out, structure is simple, safety and environmental protection, and cleaning efficiency is high.
Detailed description of the invention
Fig. 1 is utility model diagram,
Fig. 2 is absorbing column schematic diagram,
In figure: 1. compressors；2. drainer；3. refrigeration machine；4. absorbing column；5. lime set tank；6. membrane separation plant；7. inhaling
Attached emptying device；8. storage tank；9. oil gas inlet duct, the 10, first disperser, 11, sieve plate, the 12, second disperser, 13,
High-content oil gas gas phase inlet duct, 14, oil tank condensate liquid liquid pipe, 15, gaseous phase outlet general pipeline, 16, condensate outlet pipe
Road, 17, oil product.
Specific embodiment
In order to be more clear the structure and function of the utility model, with reference to the accompanying drawings and detailed description to this reality
It is described further with novel.
A kind of improved VOC recovery system, storage tank 8, VOC reclaimer, refrigeration machine 3 and absorbing column including storing oil gas
4, storage tank 8 connects VOC reclaimer by oil gas inlet duct 9, and the gaseous phase outlet of VOC reclaimer connects absorbing column 4, refrigeration
Machine 3, which is connected, exchanges heat to absorbing column 4 into absorbing column 4.The refrigeration machine return tank is entered in absorbing column and is carried out to absorbing column
Heat exchange reaches the preliminary condensation effect of oil gas.
Further, the VOC reclaimer includes that compressor 1, drainer 2, refrigeration machine 3, lime set tank 5, UF membrane are set
Standby 6 are sequentially connected by 9 connect compressor 1 of oil gas inlet duct, compressor 1 by pipeline with absorption emptying device 7, storage tank 8
Drainer 2, membrane separation plant 6 and absorption emptying device 7, the liquid-phase outlet of drainer 2 connect lime set tank 5,6 He of membrane separation plant
The gaseous phase outlet of absorption emptying device 7 is connected to absorbing column 4, and refrigeration machine 3 is connected into drainer 2 and exchanges heat to absorbing column 4, i.e.,
The outlet of absorbing column 4 is sequentially connected after refrigeration machine 3 and drainer 2 by pipeline connects back to 4 entrance of absorbing column, forms a circuit.
Further, the lime set tank 5 connects absorbing column 4.
Further, oil product is set below the absorbing column 4, is disposed with the first disperser from bottom to top above oil product
10, sieve plate 11 and the second disperser 12, the first disperser 10 are connected to UF membrane by high-content oil gas gas phase inlet duct 13
The gaseous phase outlet general pipeline 15 of equipment 6 and absorption emptying device 7, the second disperser are connected to by oil tank condensate liquid liquid pipe 14
The condensate outlet pipeline 16 of lime set tank 5, absorbing column lower section are provided with the flowline of connection oil tank.The larger oil gas of oil content and cold oil
It is come into full contact with by disperser and the laggard mistake of sieve plate, the pre- cold oil of oil gas, which merges to reduce in oil gas with oil product, oil content, reaches
Improve the purpose of oil removal efficiency.
Further, the absorbing column 4 is connected to oil gas inlet duct 9 by pipeline.
Further, the membrane separation plant 6 will ensure the pressure difference of 3~10barg.
Oil gas, which enters in compressor 1, to be entered after overcompression into drainer 2, and drainer 2 passes through the cooling capacity of refrigeration machine 3
It is remaining to be separated containing a small amount of oil gas by membrane separation plant 6 by oil gas condensation a large amount of in oil gas into lime set tank 5
And the gas after separation is sent to absorption emptying device 7 and is prepared into acceptable gas emptying.It is set in membrane separation plant 6 and absorption emptying
Standby 7, which can recycle the higher gas of a part of concentration, enters in absorbing column 4, absorbing column 4 by by oil product and gas exchange come
Reach the biggish oil gas of further absorption strength, carries out the remaining cooling capacity of refrigeration machine 3 and absorbing column 4 to exchange heat this on absorbing column 4
Sample, which further reduces, absorbs column temperature to reach oil product condensation effect increasing petroleum vapor recovery efficiency.
Listed above is only the most preferred embodiment of the utility model.Obviously, the utility model is not limited to above embodiments,
It is acceptable that there are many deformations.Those skilled in the art directly can export or associate from content disclosed by the utility model
All deformations, be considered as the protection scope of the utility model.
Claims (5)
1. a kind of improved VOC recovery system, it is characterised in that: storage tank, VOC reclaimer, refrigeration machine including storing oil gas
And absorbing column, storage tank connect VOC reclaimer by oil gas inlet duct, the gaseous phase outlet of VOC reclaimer connects absorbing column,
Refrigeration machine, which is connected, exchanges heat to absorbing column into absorbing column.
2. a kind of improved VOC recovery system according to claim 1, it is characterised in that: the VOC reclaimer includes
Compressor, drainer, refrigeration machine, lime set tank, membrane separation plant and absorption emptying device, storage tank are connected by oil gas inlet duct
Compressor, compressor are sequentially connected drainer, membrane separation plant and absorption emptying device, the liquid-phase outlet of drainer by pipeline
Lime set tank is connected, membrane separation plant and the gaseous phase outlet for adsorbing emptying device are connected to absorbing column, and refrigeration machine is connected into drainer simultaneously
It exchanges heat to absorbing column.
3. a kind of improved VOC recovery system according to claim 2, it is characterised in that: the lime set tank connection absorbs
Column.
4. a kind of improved VOC recovery system according to claim 1 or 2 or 3, it is characterised in that: under the absorbing column
Side's setting oil product, oil product top are disposed with the first disperser, sieve plate and the second disperser from bottom to top, and the first disperser connects
High-content oil gas gas phase inlet duct is connect, the second disperser connects oil tank condensate liquid liquid pipe.
5. a kind of improved VOC recovery system according to claim 2, it is characterised in that: the membrane separation plant is true
Protect the pressure difference of 3~10barg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822055351.9U CN209286983U (en) | 2018-12-08 | 2018-12-08 | A kind of improved VOC recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822055351.9U CN209286983U (en) | 2018-12-08 | 2018-12-08 | A kind of improved VOC recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209286983U true CN209286983U (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822055351.9U Active CN209286983U (en) | 2018-12-08 | 2018-12-08 | A kind of improved VOC recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331612A (en) * | 2018-12-08 | 2019-02-15 | 大连福佳·大化石油化工有限公司 | Improved VOC recovery system and its recovery method |
-
2018
- 2018-12-08 CN CN201822055351.9U patent/CN209286983U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331612A (en) * | 2018-12-08 | 2019-02-15 | 大连福佳·大化石油化工有限公司 | Improved VOC recovery system and its recovery method |
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