CN205386392U - Oil gas recycling device - Google Patents
Oil gas recycling device Download PDFInfo
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- CN205386392U CN205386392U CN201620215515.8U CN201620215515U CN205386392U CN 205386392 U CN205386392 U CN 205386392U CN 201620215515 U CN201620215515 U CN 201620215515U CN 205386392 U CN205386392 U CN 205386392U
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- recovering oil
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Abstract
The utility model provides an oil gas recycling device, adsorption tanks are connected with the imbibition jar, are equipped with the pressure two -way valve between adsorption tanks and imbibition jar, be equipped with the breather pipe in the imbibition jar, be equipped with first passageway and second channel in the breather pipe, the upper end of first passageway and the upper portion of imbibition jar intercommunication, the lower extreme of first passageway is equipped with the check valve that admits air, the top of first passageway is equipped with the cover body, covers the outer wall fixed connection of body top and first passageway, and the bottom of the cover body is opened, and second channel upper end and cover body inner space feed through, and the second channel lower extreme feeds through with the container space, and the outer wall of second channel is equipped with flange. Be equipped with the pressure two -way valve through adopting between adsorption tanks and imbibition jar to the setting has twin -channel breather pipe, thereby makes whole oil gas recycling device's structure more compact, has reduced the pipeline, does not also have cross connection's of each other position, the handling ease.
Description
Technical field
The present invention relates to valve field, particularly a kind of device for recovering oil and gas.
Background technology
State Environmental Protection Administration issued GB20951-2007 " gasoline transport atmosphere pollutants emission standards " on June 22nd, 2007, and specified that Deadline the latest is on January 1st, 2012." atmosphere pollution " described in " gasoline transport atmosphere pollutants emission standards ", refers to " oil gas " that gasoline (containing crude oil) is discharged in air in transportation because of evaporation, i.e. light hydrocarbon composition therein.Light hydrocarbon enters and can produce photochemical pollution in air, to the discharge more than carbon dioxide of the extent of injury of environment, also can lose the energy simultaneously.It is reported that the loss that China 2005 causes because oil gas evaporation discharge in gasoline storage and transport process more than just up to 50 ten thousand tons accounts for the 0.8% of China's gasoline total quantity consumed then.
The gasoline (containing crude oil) evaporating loss in storage and transport process is divided into two classes, and a class is the loss produced by " extrusion " because of oil gas in cargo handling process, is commonly referred to as " big breathing loss "；Another kind of, it is because of the loss that the reasons such as variations in temperature cause exhaust of oil and produce in storage and transport process, is commonly referred to as " breathing loss ".For the control of " big breathing loss ", " gasoline transport atmosphere pollutants emission standards " there is clearly requiring and has specified.But the control to " breathing loss ", then only propose the requirement of " taking corresponding measure to reduce the exhaust of oil in transportation ", and this requirement is comparatively ambiguous, not clearly.Prior art adopts mechanical type breather valve, controls DeGrain, certain exhaust of oil amount can only be reduced, through measuring and calculating, the reduction rate of " breathing loss " is only 7.5%.
Chinese patent literature CN201116209Y describes a kind of pressure/vacuum with device for recovering oil and gas, by the absorption liquid arranged in valve body and adsorber, light hydrocarbon can be absorbed, play in the transportation of gasoline (containing crude oil) and control Air Pollutant Emission and reclaim the effect of oil gas.Its structure as shown in Figure 6, but there is multiple pipeline monitor place in this structure, difficulty of processing is big.And all parts to pass through the Flange joint up to 13 places from each other, installation and removal are also comparatively difficult.The volume of total is also bigger.
Summary of the invention
The technical problem to be solved is to provide a kind of device for recovering oil and gas, it is possible to make structure more compact, absorbs with recovering effect more preferably, and is easy to processing, mounts and dismounts also relatively simple.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of device for recovering oil and gas, adsorption tanks are connected with imbibition tank, are provided with pressure two-way valve between adsorption tanks and imbibition tank；
Being provided with breather in imbibition tank, be provided with first passage and second channel in breather, the upper end of first passage connects with the top of imbibition tank, and the lower end of first passage is provided with breather check valve；
The top of first passage is provided with cover body, and covering on top is fixing with the outer wall of first passage to be connected, and the bottom of cover body is open, and second channel upper end connects with cover body inner space, and second channel lower end connects with vessel space, and the outer wall of second channel is provided with adpting flange.
Adsorbent it is provided with in adsorption tanks.
Spark arrester and vent it is provided with at adsorption tanks top.
It is provided with absorption liquid in imbibition tank, absorbs liquid liquid level higher than edge under cover body, lower than the upper end of second channel.
The bottom sides edge of cover body is provided with and makes the equally distributed tooth of bubble.
The outer wall held on a second pass is additionally provided with the anti-cover that backflows.
The anti-middle part of cover of backflowing is tightly connected with the external stability of second channel, and the edge of the anti-cover that backflows is sagging.
The top of imbibition tank is provided with absorption liquid import pipe plug, and the bottom of imbibition tank is provided with absorption liquid outlet pipe plug.
In described pressure two-way valve, upper valve core is formed to seal with valve seat and coordinates, and is provided with the upper spring making upper valve core be pressed on valve seat at upper valve core；
Upper valve core is provided with through hole, and bottom spool is formed to seal with upper valve core and coordinates, and is provided with the lower spring making bottom spool be pressed on upper valve core at bottom spool；
The pressure of upper spring is more than the pressure of lower spring.
Being additionally provided with block cover outside upper valve core, block cover is provided with at least one through hole near the position of bottom.
A kind of device for recovering oil and gas provided by the invention, between adsorption tanks and imbibition tank, pressure two-way valve it is provided with by adopting, and it is provided with twin-channel breather, so that the structure of whole device for recovering oil and gas is more compact, decrease pipeline, also without the position connected that crosses one another, it is simple to processing.The position of flange assembling is also reduced to only 4 place, installation and removal simplicity.Due to the shortening of pipeline, decrease in pipeline because the pipe in non-return valve switches process damages, thus absorbing with recovering effect more preferably, effectively reducing the discharge capacity of oil gas, reducing the pollution to atmospheric environment, and saving the energy.Due to compact conformation, profile of the present utility model is also more aesthetically pleasing.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
The overall structure that Fig. 1 is the present invention partly cuts open schematic diagram.
Fig. 2 is the C-C cross-sectional schematic of Fig. 1.
Fig. 3 is the B direction view of Fig. 1.
Fig. 4 is the A direction view of Fig. 1.
Fig. 5 is the sectional structure schematic diagram of pressure two-way valve in the present invention.
Fig. 6 is the pressure/vacuum valve arrangement recorded in prior art.
In figure: imbibition tank 1, tourie bolt 2, nut 3, imbibition tank cover 4, adsorption tanks 5, trip bolt 6, spark arrester 7, pressure two-way valve 8, upper rail 81, upper bracket 82, upper spring 83, upper valve core 84, valve seat 85, bottom spool 86, lower spring 87, lower guideway 88, lower carriage 89, position-limit mechanism 80, ventilator 9, adsorption tanks bolt 10, absorb liquid import pipe plug 11, first passage 12, second channel 13, clamp nut 14, cover body 15, liquidometer 16, absorb liquid outlet pipe plug 17, absorb liquid liquid level 18, adpting flange 19, breather check valve 20, inlet valve seat 201, air inlet spool 202, air inlet spring 203, breather cheek valve 21, connect gusset 22, block cover 23, breather 24, the anti-cover 25 that backflows.
Detailed description of the invention
In Fig. 1 ~ 5, a kind of device for recovering oil and gas, adsorption tanks 5 are connected with imbibition tank 1, and adsorption tanks 5 are positioned at the top of imbibition tank 1, fixed be connected by flange and adsorption tanks bolt 10 between adsorption tanks 5 with imbibition tank 1.
Preferably, in adsorption tanks 5, it is provided with adsorbent.It is provided with spark arrester 7 and vent at adsorption tanks 5 top.Vent is provided with ventilator 9 above through trip bolt 6.Spark arrester 7 in this example, it is possible to avoid the flame of outside to enter in vessel space, for instance be used for filling the oil tank of the gasoline oil tank containing crude oil, storage tank farm and gas station.Spark arrester is the sieve plate of sandwich tape micropore.
Pressure two-way valve 8 it is provided with between adsorption tanks 5 and imbibition tank 1；Thus structure, in the position of pressure two-way valve 8, it is possible to realize the opposing traffic of gas under pressure.Such as discharge the oil gas through absorbing and after absorption, enter the fresh air of vessel space.
In preferred scheme such as Fig. 5, in described pressure two-way valve 8, upper valve core 84 is formed to seal with valve seat 85 and coordinates, and upper valve core 84 slides along upper rail 81, and upper rail 81 is fixedly mounted on upper bracket 82.
The upper spring 83 making upper valve core 84 be pressed on valve seat 85 it is provided with at upper valve core 84；
Upper valve core 84 is provided with mean for the through hole that gas passes through, and bottom spool 86 is formed to seal with upper valve core 84 and coordinates, and is provided with the lower spring 87 making bottom spool 86 be pressed on upper valve core 84 at bottom spool 86；Bottom spool 86 slides along lower guideway 88, and lower guideway 88 is fixedly mounted on lower carriage 89.It is mounted on position-limit mechanism 80, to control the aperture of spool at upper valve core 84 and bottom spool 86.Position-limit mechanism in this example adopts and catches bottom spool 86 and the steel wire rope of upper valve core 84 non-tight end.As shown in Figure 5.
The pressure of upper spring 83 is more than the pressure of lower spring 87.Thus structure, by default, keeps sealing state between upper valve core 84, bottom spool 86 and valve seat 85.Gas pressure above pressure two-way valve 8 is relatively big, and bottom spool 86 overcomes the pressure of lower spring 87, downward actuation, and depressurization between bottom spool 86 and upper valve core 84, supplied gas is passed through.Gas pressure below pressure two-way valve 8 is relatively big, and bottom spool 86 and upper valve core 84 overcome the upwards action of the pressure differential between lower spring 87 and upper spring 83 simultaneously, releases the sealing relationship between upper valve core 84 and valve seat 85, and supplied gas is passed through.Under most state, between upper valve core 84, bottom spool 86 and valve seat 85, keep sealing state.
In preferred scheme, being additionally provided with block cover 23 outside upper valve core 84, block cover 23 is provided with at least one through hole near the position of bottom.The block cover 23 arranged, owing to extending the path of oil gas, makes the adsorbent in adsorption tanks 5, for instance activated carbon, fully absorbs the light hydrocarbon in oil gas, thus playing better adsorption.
In Fig. 1, breather 24 it is provided with in imbibition tank 1, first passage 12 and second channel 13 it is provided with in breather 24, first passage 12 and second channel 13 in this example adopt concentrically ringed structure to arrange, it is provided with between first passage 12 with second channel 13 and multiple is connected gusset 22, for first passage 12 and second channel 13 are linked together, adopt not concentric structure, be also feasible.The upper end of first passage 12 connects with the top of imbibition tank 1, and the lower end of first passage 12 is provided with breather check valve 20；In Fig. 1, sealing and coordinate, be provided with air inlet spring 203 on air inlet spool 202 between air inlet spool 202 with inlet valve seat 201, breather check valve 20 can only air inlet, it is impossible to aerofluxus.
In Fig. 1, the top of first passage 12 is provided with cover body 15, cover body 15 top is fixing with the outer wall of first passage 12 to be connected, the bottom of cover body 15 is open, second channel 13 upper end connects with cover body 15 inner space, and second channel 13 lower end connects with vessel space, and the outer wall of second channel 13 is provided with adpting flange 19, adpting flange 19 is used for and vessel space, for instance oil tank connects.Thus structure, the structure making whole device for recovering oil and gas is more compact, is also more imbued with aesthetic feeling.
During use, when reasons such as oil tank endogenous cause of ill temperature risings during superpressure aerofluxus, breather check valve 20 is closed under the intrinsic pressure power effect of oil tank, and air inlet spool 202, under the effect of oil-air pressure and air inlet spring 203, is pressed on inlet valve seat 201.Pressure two-way valve 8 is opened, and bottom spool 86, under oil-air pressure effect, backs down upper valve core 84, and upper valve core 84 lifts off a seat 85.
Air with oil gas enters second channel 13, enter in the absorption liquid in imbibition tank 1 tank body along cover body 15, hydrocarbon components heavier in oil gas is absorbed by liquid absorption, remaining oil gas enters adsorption tanks 5 by pressure two-way valve 8, hydrocarbon components lighter in oil gas is tightly held by activated carbon again, and remaining gas up to standard then enters air by spark arrester, ventilator 7.
The position of flange assembling is 4 places, is followed successively by between vent and adsorption tanks 5 from top to bottom, between adsorption tanks 5 and imbibition tank 1, between tank body and the top cover of imbibition tank 1, between adpting flange 19 and the vessel space bottom imbibition tank 1.The assembling of less flange reduces the difficulty of installation.
When the reasons such as oil tank endogenous cause of ill temperature reduction form certain negative pressure, pressure two-way valve 8 is opened, and upper valve core 84 is pressed on valve seat 85, separates between bottom spool 86 with upper valve core 84.
Breather check valve 20 is opened, and air inlet spool 202 leaves inlet valve seat 201.Fresh air enters adsorption tanks 5 through ventilator, spark arrester, the Hydrocarbon being adsorbed on adsorbent such as activated carbon carries out desorbing, and makes air and the oil gas being desorbed together return in oil tank by the breather check valve 20 opened.
Top such as Fig. 3, imbibition tank 1 as shown in 4 is provided with absorption liquid import pipe plug 11, and the bottom of imbibition tank 1 is provided with absorption liquid outlet pipe plug 17.Thus structure, it is simple to change and absorb liquid, to reclaim the oil gas absorbed in liquid.
In Fig. 1, in imbibition tank 1, it is provided with absorption liquid, for instance ethanol absorbs liquid, absorbs liquid liquid level 18 higher than 15 times edges of cover body, lower than the upper end of second channel 13.
In preferred scheme such as Fig. 4, the outer wall at imbibition tank 1 is provided with liquidometer 16 for observing absorption liquid liquid level 18.Thus structure, it is to avoid absorb liquid and enter into breather 24, or do not have the effect of absorption.
As shown in fig. 1, the bottom sides edge of cover body 15 is provided with and makes the equally distributed tooth of bubble.Thus structure, bubble from the bottom sides of cover body 15 along by time, bubble passes through from the gap between tooth, and is divided into less bubble.To improve the effect absorbed.
Outer wall in second channel 13 upper end is additionally provided with the anti-cover 25 that backflows.Thus structure, it is to avoid absorb liquid and enter into breather 24, and then enter in vessel space.
The anti-middle part of cover 25 of backflowing is tightly connected with the external stability of second channel 13, and the edge of the anti-cover 25 that backflows is sagging.Thus structure, it is simple to install, and prevent backflowing effect more preferably.
The top of imbibition tank 1 is provided with absorption liquid import pipe plug 11, and the bottom of imbibition tank 1 is provided with absorption liquid outlet pipe plug 17.Thus structure, it is simple to add and discharge absorbs liquid.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the restriction for the present invention, and the embodiment in the application and the feature in embodiment be not when conflicting, it is possible to combination in any mutually.The technical scheme that protection scope of the present invention should be recorded with claim, is protection domain including the equivalents of technical characteristic in the technical scheme that claim is recorded.Namely equivalent replacement the within the scope of this is improved, also within protection scope of the present invention.
Claims (10)
1. a device for recovering oil and gas, is characterized in that: adsorption tanks (5) are connected with imbibition tank (1), is provided with pressure two-way valve (8) between adsorption tanks (5) and imbibition tank (1)；
Breather (24) it is provided with in imbibition tank (1), first passage (12) and second channel (13) it is provided with in breather (24), the upper end of first passage (12) connects with the top of imbibition tank (1), and the lower end of first passage (12) is provided with breather check valve (20)；
The top of first passage (12) is provided with cover body (15), cover body (15) top is fixing with the outer wall of first passage (12) to be connected, the bottom of cover body (15) is open, second channel (13) upper end connects with cover body (15) inner space, second channel (13) lower end connects with vessel space, and the outer wall of second channel (13) is provided with adpting flange (19).
2. a kind of device for recovering oil and gas according to claim 1, is characterized in that: be provided with adsorbent in adsorption tanks (5).
3. a kind of device for recovering oil and gas according to claim 1 and 2, is characterized in that: be provided with spark arrester (7) and vent at adsorption tanks (5) top.
4. a kind of device for recovering oil and gas according to claim 1, is characterized in that: be provided with absorption liquid in imbibition tank (1), absorbs liquid liquid level (18) higher than edge under cover body (15), lower than the upper end of second channel (13).
5. a kind of device for recovering oil and gas according to claim 1 or 4, is characterized in that: the bottom sides edge of cover body (15) is provided with and makes the equally distributed tooth of bubble.
6. a kind of device for recovering oil and gas according to claim 1, is characterized in that: the outer wall in second channel (13) upper end is additionally provided with the anti-cover (25) that backflows.
7. a kind of device for recovering oil and gas according to claim 6, is characterized in that: the anti-middle part of cover (25) of backflowing is tightly connected with the external stability of second channel (13), and the edge of the anti-cover (25) that backflows is sagging.
8. a kind of device for recovering oil and gas according to claim 1, is characterized in that: the top of imbibition tank (1) is provided with absorption liquid import pipe plug (11), and the bottom of imbibition tank (1) is provided with absorption liquid outlet pipe plug (17).
9. a kind of device for recovering oil and gas according to claim 1, it is characterized in that: in described pressure two-way valve (8), upper valve core (84) is formed to seal with valve seat (85) and coordinates, and is provided with the upper spring (83) making upper valve core (84) be pressed on valve seat (85) at upper valve core (84)；
Upper valve core (84) is provided with through hole, and bottom spool (86) is formed to seal with upper valve core (84) and coordinates, and is provided with the lower spring (87) making bottom spool (86) be pressed on upper valve core (84) at bottom spool (86)；
The pressure of upper spring (83) is more than the pressure of lower spring (87).
10. a kind of device for recovering oil and gas according to claim 9, is characterized in that: be additionally provided with block cover (23) outside upper valve core (84), and block cover (23) is provided with at least one through hole near the position of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620215515.8U CN205386392U (en) | 2016-03-21 | 2016-03-21 | Oil gas recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620215515.8U CN205386392U (en) | 2016-03-21 | 2016-03-21 | Oil gas recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205386392U true CN205386392U (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620215515.8U Withdrawn - After Issue CN205386392U (en) | 2016-03-21 | 2016-03-21 | Oil gas recycling device |
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| CN (1) | CN205386392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664658A (en) * | 2016-03-21 | 2016-06-15 | 长江大学 | Oil gas recovery device |
-
2016
- 2016-03-21 CN CN201620215515.8U patent/CN205386392U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664658A (en) * | 2016-03-21 | 2016-06-15 | 长江大学 | Oil gas recovery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160720 Effective date of abandoning: 20170517 |