CN205913968U - Vapor recovery system equipment - Google Patents
Vapor recovery system equipment Download PDFInfo
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- CN205913968U CN205913968U CN201620583707.4U CN201620583707U CN205913968U CN 205913968 U CN205913968 U CN 205913968U CN 201620583707 U CN201620583707 U CN 201620583707U CN 205913968 U CN205913968 U CN 205913968U
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Abstract
The utility model relates to a vapor recovery system equipment, including absorption tower, compressor, fuel feed pump, adsorption tower and dump pump, the compressor is connected to the air inlet on absorption tower, supply oil pump connection to arrive the inlet on absorption tower, it arrives to return oil pump connection the oil liquid outlet on absorption tower, the adsorption tower is connected to the gas outlet on absorption tower. The utility model provides a vapor recovery system equipment pressurizes to the oil gas elder generation of collecting, and then successively handles through absorbing, adsorb technology, makes absorption and adsorption material's effect better to can use absorption and adsorption material still less when handling with equivalent oil gas, reduce the volume of equipment, and can guarantee the treatment effect. And the fuel feed pump provides the energy consumption that can reduce equipment that sets up of encircling liquid and second pipeline for the compressor, practices thrift the plant operation and becomes.
Description
Technical field
This utility model is related to the correlative technology field of petroleum vapor recovery, particularly a kind of oil-gas recovery device.
Background technology
Existing petroleum vapor recovery technique is mainly using absorption+absorption technique, condensation+absorbing process, three kinds of film+absorption technique
Technique, after process, the emission effect of oil gas is capable of 5g/m3NMHC value (Standard 25g/m3).
With the day by day raising of environmental protection standard, area has required the non-methane hydrocarbon emission of gas recovery system for oil to reach individually
To less than 120mg/m3, if the discharge of milligram level will be realized in the handling process of current main flow, need adsorbent throwing is significantly increased
Enter and can put into.Such as absorption+absorption technique needs to increase activated carbon loadings, increases vacuum pump, increases absorbent circulation
Measure and to realize the discharge of milligram level, energy consumption is 3 times of original system；Condensation+absorbing process, needs to increase condensation unit load, activity
Charcoal loadings, energy consumption is 4 times of original system；Film+absorption technique needs to increase absorbing process, stroke film+absorption+absorption in rear end
Flow process.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of oil-gas recovery device, of the prior art to solve
Technical problem.
This utility model provides a kind of oil-gas recovery device, including absorption tower, compressor, oil feed pump, adsorption tower and oil return
Pump, described compressor is connected to the air inlet on described absorption tower, and described oil feed pump is connected to the inlet on described absorption tower, described
Scavenge oil pump is connected to the fluid outlet on described absorption tower, and described adsorption tower is connected to the gas outlet on described absorption tower.
Preferably, described absorption tower includes uptake zone and collecting region, being provided with filler in described uptake zone.
Preferably, described filler is regular stainless steel helices.
Preferably, described compressor is liquid rotary compressor, and described oil feed pump provides ring liquid for described compressor.
Preferably, described adsorption tower includes the first adsorption zone, the second adsorption zone and demarcation strip, and described demarcation strip is arranged on institute
State between the first adsorption zone and the second adsorption zone, described first adsorption zone and in the second adsorption zone load different adsorbing materials.
Preferably, the air vent of described adsorption tower is provided with air relief valve.
Preferably, the desorption mouth of described adsorption tower connects vacuum pump, and described vacuum pump is connected with described compressor.
Preferably, it is additionally provided with the second pipeline between described adsorption tower desorption mouth and described compressor.
Preferably, described adsorption tower is provided with least two.
The oil-gas recovery device that this utility model provides first pressurizes to the oil gas collected, and then successively passes through to inhale again
Receive, absorbing process is processed, make the effect of absorption and adsorbing material more preferably, such that it is able to make when processing the oil gas of isodose
With less absorption and adsorbing material, reduce the volume of equipment, and ensure that treatment effect.And, oil feed pump is to compressor
The setting of offer ring liquid and the second pipeline can reduce the energy consumption of equipment, and the use saving equipment becomes.
Brief description
By the description to this utility model embodiment referring to the drawings, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings:
The structural representation of the oil-gas recovery device that Fig. 1 provides for this utility model.
Specific embodiment
It is more fully described various embodiment of the present utility model hereinafter with reference to accompanying drawing.In various figures, identical
Element to be represented using same or similar reference.For the sake of clarity, the various pieces in accompanying drawing are not drawn to paint
System.
The oil-gas recovery device that this utility model provides includes absorption tower 1, compressor 2, oil feed pump 3, adsorption tower and oil return
Pump 7, described absorption tower 1 includes uptake zone 11 and collecting region 12, and described uptake zone 11 is located at the vertical direction of described collecting region 12
On top, and described uptake zone 11 connected with collecting region 12.Described uptake zone 11 sets on the side wall of described collecting region 12
It is equipped with air inlet, the end away from described collecting region 12 is provided with inlet and gas outlet, and described uptake zone 11 is internally provided with
Filler, described filler is arranged on the position between described air inlet and inlet it is preferable that described filler is filled out for regular rustless steel
Material.Described collecting region 12 is provided with fluid outlet.
Described compressor 2 entrance is connected with Oil-gas source, and described compressor 2 outlet is connected with described absorption tower 1 air inlet,
Oil gas is sent into described absorption tower 1 it is preferable that described compressor 2 compresses for pendular ring after oil gas is compressed by described compressor 2
Machine.Described oil feed pump 3 entrance is connected with absorbent source, and described oil feed pump 3 outlet is connected with the inlet on described absorption tower 1,
Described oil feed pump 3 be used for providing absorbent into described absorption tower 1 it is preferable that described absorbent be gasoline, diesel oil or similar oil
The liquid hydrocarbon of gas component is derived from owner tank field as absorbent, absorbent.Further, described oil feed pump 3 is same
When for described compressor 2 provide ring liquid, simplify the overall structure of equipment.Described adsorption tower is connected with the gas outlet on described absorption tower
Connect, unabsorbed oil gas is adsorbed, reclaim oil gas further.The liquid outlet of described adsorption tower and the collection on absorption tower 1
The liquid outlet in area 12 is connected with described scavenge oil pump 7, by described scavenge oil pump 7, the fluid reclaiming is sent into client tank field.
Described adsorption tower designs for double tower, including the first adsorption tower 4 and the second adsorption tower 5, described first adsorption tower 4 and
It is preferable that alt time is 20 minutes, that is, described first adsorption tower 4 adsorption time is 20 minutes for two adsorption tower 5 alternation,
Then described second adsorption tower 5 is adsorbed, and meanwhile, described first adsorption tower 4 is parsed, such alternation.At other
In preferred embodiment, described adsorption tower also can arrange more than two, can determine the quantity of adsorption tower according to process oil gas two.
Described first adsorption tower 4 includes the first adsorption zone 41, the second adsorption zone 42 and demarcation strip 43, and described demarcation strip 43 is
Sieve plate with holes is it is preferable that aperture is 3mm.Adsorbing material is loaded, preferably in described first adsorption zone 41 and the second adsorption zone 42
Different types of adsorbing material, further, described first is loaded in ground, described first adsorption zone 41 and the second adsorption zone 42
Adsorbing material in adsorption zone 41 is molecular sieve, and the adsorbing material in described second adsorption zone 42 is activated carbon.Described first
The top of adsorption tower 4 is provided with air vent, bottom is provided with air inlet and desorption mouth, and is provided with valve in each seam
Door, is additionally provided with air relief valve 8 in described exhaust ports, controls described first adsorption tower 4 interior in absorption by described air relief valve 8
The pressure in portion.
Described second adsorption tower 5 structure is identical with described first adsorption tower 4, described second adsorption tower 5 and the first adsorption tower 4
Air inlet be connected to the gas outlet on described absorption tower 1, the desorption mouth of described second adsorption tower 5 and the first adsorption tower 4 is all connected with
To the entrance of described compressor 2, the oil gas after desorbing is further continued for carrying out adsorption treatment.Described second adsorption tower 5 and the first absorption
The air vent of tower 4 is all connected to described air relief valve 8, enters air by the gas of described air relief valve 8.
In order that desorption effect more preferably, is provided with vacuum pump 6 between the desorption mouth of described adsorption tower and described compressor 2,
The two ends of described vacuum pump 6 are provided with valve, when needing desorbing, open the valve at described vacuum pump 6 two ends, described vacuum pump
6 give offer vacuum environment inside described adsorption tower, make desorbing more thorough.Preferably, described vacuum pump 6 selects dry type screw vacuum
Pump or sliding vane rotary vacuum pump.
Preferably, it is additionally provided with the second pipeline, described second pipe between the desorption mouth of described adsorption tower and described compressor 2
It is provided with valve on road 9, when described adsorption tower carries out desorption operations and starts, have certain pressure in described adsorption tower, can close
Close the valve that described vacuum pump 6 two ends valve is opened on described second pipeline 9, desorbing oil gas is transmitted by described second pipeline 9.
When described absorption tower pressure interior force is reduced to normal pressure, closes the valve on described second pipeline 9, open described vacuum pump 6 two ends
Valve carry out vacuum desorption, so both can ensure that desorption effect, had the run time that can reduce institute's vacuum pump 6.
The oil-gas recovery method that this utility model provides is:
In absorption tower and adsorption tower after being pressurizeed to oil gas using the above-mentioned oil-gas recovery device that this utility model provides
Inner high voltage absorbs, and to obtain more preferable assimilation effect, concrete grammar is as follows:
Oil gas after collection initially enters described compressor 2, and the oil-air pressure after the pressurization of described compressor 2 is 0.2-
0.3mpa, the oil gas after pressurization enters the uptake zone 11 on described absorption tower 1.Meanwhile, described oil feed pump 3 is to described absorption tower 1
Input absorbent in uptake zone 11, and, described oil feed pump 3 is returned described compressor 2 and is provided ring liquid.In described uptake zone 11
Interior, high-pressure oil gas rise, and absorbent declines, and make oil gas and absorbent in described uptake zone 11 inner absorbent and oil gas counter current contacting
Contact as much as possible, to strengthen assimilation effect.Institute is fallen into after absorbent through described uptake zone 11 and absorption part oil gas
State in collecting region 12, then client tank field is pumped into by described scavenge oil pump 7.
The oil gas not being completely absorbed in described absorption tower 1 enters in the first adsorption tower 4, now, described first adsorption tower 4
Air inlet and the valve of air vent open, the valve closing of desorption mouth, the inlet valve closing of described second adsorption tower 5.
Adjust the aperture of described air relief valve 8, make the pressure in described first adsorption tower 4 be 0.2-0.3mpa, described first adsorption tower 4
Carry out adsorbing work, the gas after the absorption of described first adsorption tower 4 can be directly discharged into air.Described first adsorption tower 4 adsorbs
After the time of one end, close air inlet and the burp valve of described first adsorption tower 4, meanwhile, open described second adsorption tower 5
Air inlet and burp valve, close its desorption mouth valve, and adjust described air relief valve 8 and make pressure in described second adsorption tower 5
For 0.2-0.3mpa, described second adsorption tower 5 starts to adsorb work.Open the desorption mouth valve of described first adsorption tower 4, now
In described first adsorption tower 4, pressure is still 0.2-0.3mpa, first opens the valve on described second pipeline 9, and closes described true
The valve at empty pump 6 two ends, carries out oil gas desorbing in described first adsorption tower 4, and pressure is gradually lowered, the oil gas desorbing
The arrival end entering described compressor 2 carries out adsorption treatment again.When the pressure in described first adsorption tower 4 recovers to normal pressure
When, close the valve on described second pipeline 9, open the valve at described vacuum pump 6 two ends meanwhile, open described vacuum pump 6 and enter
Row vacuum desorption, stops desorbing when the vacuum in described first adsorption tower 4 reaches 96kpa.Then described second adsorption tower 5
Stop absorption and start desorbing, described first adsorption tower 4 is adsorbed again, such alternation.Preferably, described first absorption
The absorption of tower 4 and the second adsorption tower 5 and desorption process are 20 minutes.
The oil-gas recovery device that this utility model provides and method are first pressurizeed to the oil gas collected, then successively logical again
Cross absorption and sorption technique to be processed, make the effect of absorption and adsorbing material more preferably, such that it is able in the oil gas processing isodose
When using less absorption and adsorbing material, reduce the volume of equipment, and ensure that treatment effect.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
It is last that it is noted that obvious, above-described embodiment is only intended to clearly illustrate this utility model example,
And the not restriction to embodiment.For those of ordinary skill in the field, also may be used on the basis of the above description
To make other changes in different forms.There is no need to be exhaustive to all of embodiment.And thus
The obvious change amplified out or change among still in protection domain of the present utility model.
Claims (9)
1. a kind of oil-gas recovery device is it is characterised in that include absorption tower, compressor, oil feed pump, adsorption tower and scavenge oil pump, institute
State the air inlet that compressor is connected to described absorption tower, described oil feed pump is connected to the inlet on described absorption tower, described oil return
Pump is connected to the fluid outlet on described absorption tower, and described adsorption tower is connected to the gas outlet on described absorption tower.
2. oil-gas recovery device according to claim 1 is it is characterised in that described absorption tower includes uptake zone and collection
Area, is provided with filler in described uptake zone.
3. oil-gas recovery device according to claim 2 is it is characterised in that described filler is regular stainless steel helices.
4. oil-gas recovery device according to claim 1 is it is characterised in that described compressor is liquid rotary compressor, described
Oil feed pump provides ring liquid for described compressor.
5. oil-gas recovery device according to claim 1 it is characterised in that described adsorption tower include the first adsorption zone,
Two adsorption zones and demarcation strip, described demarcation strip is arranged between described first adsorption zone and the second adsorption zone, described first absorption
Area and the different adsorbing materials of filling in the second adsorption zone.
6. oil-gas recovery device according to claim 1 is it is characterised in that the air vent of described adsorption tower is provided with decompression
Valve.
7. oil-gas recovery device according to claim 6 is it is characterised in that the desorption mouth of described adsorption tower connects vacuum
Pump, described vacuum pump is connected with described compressor.
8. oil-gas recovery device according to claim 7 is it is characterised in that described adsorption tower desorption mouth and described compressor
Between be additionally provided with the second pipeline.
9. oil-gas recovery device according to claim 8 is it is characterised in that described adsorption tower is provided with least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620583707.4U CN205913968U (en) | 2016-06-15 | 2016-06-15 | Vapor recovery system equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620583707.4U CN205913968U (en) | 2016-06-15 | 2016-06-15 | Vapor recovery system equipment |
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| Publication Number | Publication Date |
|---|---|
| CN205913968U true CN205913968U (en) | 2017-02-01 |
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| CN201620583707.4U Active CN205913968U (en) | 2016-06-15 | 2016-06-15 | Vapor recovery system equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879570A (en) * | 2016-06-15 | 2016-08-24 | 海湾环境科技（北京）股份有限公司 | Oil gas recycling device and method |
-
2016
- 2016-06-15 CN CN201620583707.4U patent/CN205913968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879570A (en) * | 2016-06-15 | 2016-08-24 | 海湾环境科技（北京）股份有限公司 | Oil gas recycling device and method |
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