CN206746252U - Device for recovering oil and gas based on secondary absorption - Google Patents
Device for recovering oil and gas based on secondary absorption Download PDFInfo
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- CN206746252U CN206746252U CN201720385581.4U CN201720385581U CN206746252U CN 206746252 U CN206746252 U CN 206746252U CN 201720385581 U CN201720385581 U CN 201720385581U CN 206746252 U CN206746252 U CN 206746252U
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Abstract
The utility model provides a kind of device for recovering oil and gas based on secondary absorption, including adsorption tanks, absorption tower, vavuum pump, scavenge oil pump, crude oil storage tank, oil feed pump；The absorption tower is connected including first to fifth port, the crude oil storage tank by the oil feed pump on crude oil fuel feeding line with first port；The vavuum pump is connected with the 3rd port, oil feed pump on the crude oil fuel feeding line is connected by vavuum pump with the 4th port, the fifth port is connected by scavenge oil pump with the crude oil storage tank on the crude oil oil drive back thread, and the second port is connected by pending oil gas air inlet Trunk Line with adsorption tanks；The utility model newly increases an adsorption tanks on the basis of the absorption absorption technique of routine so that oil gas secondary exhaust gas enters adsorption tanks, forms secondary absorption technique, can more effectively catch oil gas molecule, exhaust outlet gas concentration is further reduced.
Description
Technical field
It the utility model is related to device for recovering oil and gas, more particularly to a kind of device for recovering oil and gas based on secondary absorption.
Background technology
Petroleum vapor recovery is energy saving and environment friendly new and high technology, with Investigation of Petroleum Vapor Recovery Technology reclaim oil product in accumulating, loaded and unloaded
The oil gas discharged in journey, atmosphere pollution caused by preventing oil gas volatilization, eliminates safe hidden trouble, by improving the utilization to the energy
Rate, reduce economic loss, so as to obtain considerable benefit return.At present common method have absorption method, absorption process, condensation method and
Membrane separation process.
Generally, absorption method is to utilize the absorption of the adsorbent to oil gas/air gaseous mixture such as activated carbon, zeolite or activated fibre
The size of power, realize the separation of oil gas and air.Oil gas is adsorbed in adsorbent table by the adsorbents such as activated carbon, oil-gas component
Face, is then desorbed by decompression desorption or steam again, and the oil gas of enrichment is drawn into oil tank with vavuum pump or liquefied with other method；
And the adsorbent such as activated carbon is very small to the absorption affinity of air, tail gas not to be adsorbed is through emission by exhaust pipe.
Conventional oil gas absorption absorption technique, is to use two adsorption tanks, switches over absorption and desorption.But with right
Emission request it is tightened up, the conventional method can not sometimes meet tightened up emission request.
Therefore, it is necessary to one kind can effectively catch paint molecule, make that floss hole gas concentration further reduces based on two
The device for recovering oil and gas of level absorption.
Utility model content
The purpose of this utility model is that paint molecule can effectively be caught by providing one kind, make floss hole gas concentration enter one
The device for recovering oil and gas based on secondary absorption reduced is walked, the device includes adsorption tanks, absorption tower, vavuum pump, scavenge oil pump, crude oil
Storage tank；The absorption tower includes first to fifth port, the crude oil storage tank by the oil feed pump on crude oil fuel feeding line with it is described
The first port connection on absorption tower；The vavuum pump is connected with the 3rd port on the absorption tower, on the crude oil fuel feeding line
Oil feed pump is connected by vavuum pump with the 4th port on the absorption tower, and the fifth port on the absorption tower passes through scavenge oil pump and institute
The crude oil storage tank connection on crude oil oil drive back thread is stated, the second port on the absorption tower passes through pending oil gas air inlet Trunk Line and suction
Attached tank connection；The adsorption tanks comprise at least 3.
Preferably, the adsorption tanks include the first adsorption tanks, the second adsorption tanks and the 3rd adsorption tanks.
Preferably, each adsorption tanks include air inlet, exhaust outlet and desorption mouth respectively, wherein the air inlet and desorption mouth
Positioned at the bottom of the adsorption tanks, the exhaust outlet is located at the top of the adsorption tanks.
Preferably, the air inlet of each adsorption tanks also includes one-level air inlet, secondary inlet mouth；The exhaust of each adsorption tanks
Mouth also includes one-level exhaust outlet, secondary exhaust, the one-level exhaust outlet of first adsorption tanks and the two of the second adsorption tanks grading
Gas port is connected, and the one-level exhaust outlet of second adsorption tanks is connected with the secondary inlet mouth of the 3rd adsorption tanks, the 3rd absorption
The one-level air inlet of tank is connected with the secondary inlet mouth of first adsorption tanks.
Preferably, the secondary exhaust of each adsorption tanks is connected with end floss hole.
Preferably, in the one-level inlet port of the adsorption tanks, one-level exhaust port side, secondary inlet mouth end, secondary exhaust
Conciliate aspiration port and the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve are set respectively in mouth end；
Preferably, the first port on the absorption tower, second port are located at the top on absorption tower, and the 3rd of the absorption tower the
Port, the 4th port are located at the bottom on absorption tower, and the fifth port on the absorption tower is located at the bottom on absorption tower.
Preferably, the end floss hole is additionally provided with air-introduced machine, and for making up blast deficiency, oil gas is by carbon twice
Tank, carbon bed resistance ratios common process can be bigger.
Preferably, the secondary exhaust of each adsorption tanks is connected with the air-introduced machine 8 of end floss hole.
Preferably, the adsorption tanks comprise at least 3.
Preferably, the oil feed pump is used to provide the cooling oil needed for vavuum pump.
The utility model provides a kind of device for recovering oil and gas based on secondary absorption, and its advantage is：In routine
On the basis of adsorbing absorption technique, an adsorption tanks are newly increased so that oil gas secondary exhaust gas enters adsorption tanks, forms secondary absorption
Technique, oil gas molecule can be more effectively caught, exhaust outlet gas concentration is further reduced, it is more strict so as to meet
Emission request, meanwhile, the adsorption tanks that newly-increased adsorption tanks can be previously used for adsorption-desorption switch over absorption and desorption, can
Further improve the efficiency that absorption absorbs.
It should be appreciated that foregoing description substantially and follow-up description in detail are exemplary illustration and explanation, should not
As the limitation to the claimed content of the utility model.
Brief description of the drawings
With reference to the accompanying drawing enclosed, the more purposes of the utility model, function and advantage will pass through the utility model embodiment party
The described below of formula is illustrated, wherein：
Fig. 1 shows the structural representation of device for recovering oil and gas of the utility model based on secondary absorption.
Embodiment
By reference to one exemplary embodiment, the purpose of this utility model and function and for realizing these purposes and function
Method will be illustrated.However, the utility model is not limited to one exemplary embodiment as disclosed below；Can be by not
It is realized with form.The essence of specification is only to aid in various equivalent modifications Integrated Understanding the utility model
Detail.
Hereinafter, embodiment of the present utility model will be described with reference to the drawings.In the accompanying drawings, identical reference represents
Same or similar part, or same or like step.
The utility model, which provides one kind, can effectively catch paint molecule, the base for making floss hole gas concentration further reduce
In the device for recovering oil and gas of secondary absorption, the device includes adsorption tanks, absorption tower 1, vavuum pump 4, scavenge oil pump 3, crude oil storage tank, confession
Oil pump 2, the absorption tower 1 include first to fifth port, the crude oil storage tank by the oil feed pump 2 on crude oil fuel feeding line C with
The first port 101 on the absorption tower 1 connects；The vavuum pump 4 is connected with the 3rd port 103 on the absorption tower 1, the original
Oil feed pump 2 on oily fuel feeding line C is connected by vavuum pump 4 with the 4th port 104 on the absorption tower 1, and the of the absorption tower 1
Five ports 105 are connected by scavenge oil pump 3 with the crude oil storage tank on the crude oil oil drive back thread B, the second port on the absorption tower 1
102 are connected by pending oil gas air inlet Trunk Line A with adsorption tanks.
In a preferred embodiment, the adsorption tanks include the first adsorption tanks 5, the second adsorption tanks 6 and the 3rd adsorption tanks 7.
The oil feed pump is used to provide the cooling oil needed for vavuum pump.
Each adsorption tanks include air inlet, exhaust outlet and desorption mouth respectively, wherein the air inlet and desorption mouth are located at institute
The bottom of adsorption tanks is stated, the exhaust outlet is located at the top of the adsorption tanks.
Referring to Fig. 1, the air inlet of each adsorption tanks also includes one-level air inlet, secondary inlet mouth；The row of each adsorption tanks
Gas port also includes one-level exhaust outlet, secondary exhaust, and the two of the one-level exhaust outlet of first adsorption tanks 5 and the second adsorption tanks 6
Level air inlet connection, the one-level exhaust outlet of second adsorption tanks 6 is connected with the secondary inlet mouth of the 3rd adsorption tanks 7, and described the
The one-level air inlet of three adsorption tanks 7 is connected with 5 secondary inlet mouths of first adsorption tanks.
The end floss hole is additionally provided with air-introduced machine 8, and for making up blast deficiency, oil gas is by canister twice, carbon bed
Resistance ratios common process can be bigger.
The secondary exhaust of each adsorption tanks is connected with the air-introduced machine 8 of end floss hole.
In a preferred embodiment, it is the structure of device for recovering oil and gas of the utility model based on secondary absorption as shown in Figure 1
Schematic diagram, wherein, A represents pending oil gas air inlet Trunk Line；B represents crude oil oil drive back thread；C represents crude oil fuel feeding line；Described
One adsorption tanks 5, the second adsorption tanks 6, the 3rd adsorption tanks 7 are desorbed and adsorbed in turn, and two of which adsorption tanks carry out one respectively
Level absorption and secondary absorption, another adsorption tanks are desorbed.
When first adsorption tanks 5, the second adsorption tanks 6, the 3rd adsorption tanks 7 can set absorption according to the specific concentration of project
Between, after adsorbing certain time, switch over, after the former primary adsorption tank switching for playing primary attachment effect, primary adsorption is changed into
Desorption state, it is changed into primary adsorption after absorbing the former secondary absorption tank switching of a small amount of oil gas, is originally intended to the adsorption tanks switching of desorption
After be changed into secondary absorption, as finally discharged guarantee.
In one embodiment, specifically workflow is：During normal operation, the first adsorption tanks 5 carry out primary adsorption, the
Two adsorption tanks 6 carry out secondary absorption, and the 3rd adsorption tanks 7 are in desorption state.Now, the first to the 5th valve of the first adsorption tanks 5
Men Zhong, the first valve 501 are opened, and the second valve 502 is opened, and the 3rd valve 503 closes, and the 4th valve 504 closes, and the 5th valve 505 closes；Together
To manage, in the first to the 5th valve of the second adsorption tanks 6, the first valve 601 is closed, and the second valve 602 is closed, and the 3rd valve 603 is opened, the
Four valves 604 are opened, and the 5th valve 605 closes；Oil gas now moves towards：Oil gas -501 of pending oil gas air inlet Trunk Line -
(secondary absorption)-604 of first the-502-603-the second adsorption tanks of adsorption tanks 5 (primary adsorption) 6-discharge.In the process,
Most of oil gas is adsorbed by the first adsorption tanks 5, and a small amount of oil gas enters the second adsorption tanks 6, further absorption, dense so as to reduce discharge
Degree.
And in the first to the 5th valve of the 3rd adsorption tanks 7 in desorption state, the first valve 701 closes, the second valve
702 are closed, and the 3rd valve 703 is closed, and the 4th valve 704 is closed, and the 5th valve 705 is opened；Oil gas moves towards：Vavuum pump 4 adsorbs to the 3rd
Activated carbon in tank 7 carries out vacuum desorption, and the oil gas desorbed is entered under absorption tower 1 by the 3rd port 103 on absorption tower 1
Portion, absorbed using the crude oil provided on crude oil fuel feeding line C；Crude oil after absorption is returned to by the scavenge oil pump 3 on crude oil oil drive back thread B
Crude oil storage tank, fixed gas and vaporizing oil-gas enter pending oil gas air inlet Trunk Line A from the second port 102 on absorption tower 1, then enter
Enter adsorption tanks to be adsorbed.
The utility model provides a kind of device for recovering oil and gas based on secondary absorption, in the base of the absorption absorption technique of routine
On plinth, an adsorption tanks are newly increased so that oil gas secondary exhaust gas enters adsorption tanks, forms secondary absorption technique, can be more effective
Seizure oil gas molecule, exhaust outlet gas concentration is further reduced, so as to meet more strict emission request, together
When, the adsorption tanks that newly-increased adsorption tanks can be previously used for adsorption-desorption switch over absorption and desorption, can further improve suction
The efficiency of attached absorption.
With reference to the explanation of the present utility model disclosed here and practice, other embodiment of the present utility model is for this area
Technical staff will be readily apparent and understand.Illustrate and embodiment be to be considered only as it is exemplary, it is of the present utility model really
Scope and spirit are defined in the claims.
Claims (9)
1. a kind of device for recovering oil and gas based on secondary absorption, the device includes adsorption tanks, absorption tower, vavuum pump, scavenge oil pump, original
Oil tank, oil feed pump, it is characterised in that：The absorption tower is supplied including first to fifth port, the crude oil storage tank by crude oil
Oil feed pump on oily line is connected with the first port on the absorption tower；The vavuum pump and the 3rd port on the absorption tower connect
Connect, the oil feed pump on the crude oil fuel feeding line is connected by vavuum pump with the 4th port on the absorption tower, the absorption tower
Fifth port is connected by scavenge oil pump with the crude oil storage tank on the crude oil oil drive back thread, and the second port on the absorption tower is by treating
Processing oil gas air inlet Trunk Line is connected with adsorption tanks；The adsorption tanks comprise at least 3.
2. device for recovering oil and gas according to claim 1, it is characterised in that the adsorption tanks include the first adsorption tanks, the
Two adsorption tanks and the 3rd adsorption tanks.
3. device for recovering oil and gas according to claim 1 or 2, it is characterised in that each adsorption tanks respectively include air inlet,
Exhaust outlet and desorption mouth, wherein the air inlet and desorption mouth are located at the bottom of the adsorption tanks, the exhaust outlet is positioned at described
The top of adsorption tanks.
4. device for recovering oil and gas according to claim 3, it is characterised in that the air inlet of each adsorption tanks also includes one-level
Air inlet, secondary inlet mouth；The exhaust outlet of each adsorption tanks also includes one-level exhaust outlet, secondary exhaust, the first adsorption tanks
One-level exhaust outlet is connected with the secondary inlet mouth of the second adsorption tanks, the one-level exhaust outlet and the 3rd adsorption tanks of second adsorption tanks
The connection of secondary inlet mouth, the one-level air inlet of the 3rd adsorption tanks is connected with the secondary inlet mouth of first adsorption tanks.
5. device for recovering oil and gas according to claim 4, it is characterised in that the secondary exhaust of each adsorption tanks is equal
It is connected with end floss hole.
6. device for recovering oil and gas according to claim 4, it is characterised in that one-level inlet port in the adsorption tanks,
One-level exhaust port side, secondary inlet mouth end, secondary exhaust end conciliate aspiration port and set the first valve, the second valve, the respectively
Three valves, the 4th valve and the 5th valve.
7. device for recovering oil and gas according to claim 1, it is characterised in that the first port on the absorption tower, the second end
Mouth is located at the top on absorption tower, and the 3rd port, the 4th port on the absorption tower are located at the bottom on absorption tower, the absorption tower
Fifth port is located at the bottom on absorption tower.
8. device for recovering oil and gas according to claim 5, it is characterised in that the end floss hole is additionally provided with air inducing
Machine.
9. device for recovering oil and gas according to claim 5, it is characterised in that the secondary exhaust of each adsorption tanks is equal
It is connected with the air-introduced machine of end floss hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720385581.4U CN206746252U (en) | 2017-04-13 | 2017-04-13 | Device for recovering oil and gas based on secondary absorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720385581.4U CN206746252U (en) | 2017-04-13 | 2017-04-13 | Device for recovering oil and gas based on secondary absorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206746252U true CN206746252U (en) | 2017-12-15 |
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ID=60613955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720385581.4U Active CN206746252U (en) | 2017-04-13 | 2017-04-13 | Device for recovering oil and gas based on secondary absorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206746252U (en) |
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2017
- 2017-04-13 CN CN201720385581.4U patent/CN206746252U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210127 Address after: 100081 2803-1, 24 / F, building 1, courtyard B 12, Zhongguancun South Street, Haidian District, Beijing Patentee after: ECOTEC ECO-TEC ASIA (BEIJING) Co.,Ltd. Patentee after: JIANGSU AEROSPACE HEWLETT ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 100081 Block B 1305, No. 18, South Street, Zhongguancun, Haidian District, Beijing Patentee before: ECOTEC ECO-TEC ASIA (BEIJING) Co.,Ltd. |
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| TR01 | Transfer of patent right |