CN208980323U - A kind of device for recovering oil and gas reducing environmental pollution - Google Patents
A kind of device for recovering oil and gas reducing environmental pollution Download PDFInfo
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- CN208980323U CN208980323U CN201822053603.4U CN201822053603U CN208980323U CN 208980323 U CN208980323 U CN 208980323U CN 201822053603 U CN201822053603 U CN 201822053603U CN 208980323 U CN208980323 U CN 208980323U
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Abstract
The utility model relates to a kind of device for recovering oil and gas for reducing environmental pollution, belong to environmental protection and field of energy-saving technology, solve the problems, such as that existing apparatus cannot effectively recycle oil gas, cause environmental pollution.The device for recovering oil and gas of the utility model includes oil tank, flows condensate trap, the first absorber and the second absorber, vacuum pump, gas-liquid mixed absorber and fire arrester that are serially connected；Oil tank exhaust outlet, the fire arrester and the stream condensate trap are sequentially connected, and the oil gas flowmeter, the oil gas temperature transmitter for monitoring oil gas temperature and the oil-air pressure transmitter for monitoring the oil tank internal pressure for monitoring oil gas instantaneous flow and oil gas total flow are equipped between the fire arrester and the stream condensate trap.The utility model realizes the high efficiente callback to volatile oil gas, can be effectively reduced environmental pollution and the consumption of the energy.
Description
Technical field
The utility model relates to environmental protection and field of energy-saving technology more particularly to a kind of oil gas for reducing environmental pollution to return
Receiving apparatus.
Background technique
Today's society is fast-developing, also increasing to the demand of the energy, and demand of the society to the energy has been increased to
One important strategic height, while center, by beautiful China, unprecedented politics height is mentioned in environmental protection.
Vapour/diesel oil is a kind of light-end products of highly volatile, all can volatile oil in storage, handling, transport, retail sales process
Gas.The breathing discharge outlet of Underearth oil tanks can generate a large amount of oil gas and be dispersed into atmosphere especially in fuel charger refueling process, and volatilization dissipates
The oil gas in atmosphere is escaped to, not only causes the waste of the energy, but also pollute environment, more seriously, there is also kindlings to occur
The potential danger of calamity explosion accident.
With the development of society, Environmental protection is put forward higher requirements, standard of all trades and professions to exhaust emissions
It is higher and higher.Some do not set device for recovering oil and gas for the gas station in the current whole nation, even if some have device for recovering oil and gas, but due to accounting for
The reasons such as ground area, operation energy consumption, treatment effeciency, treatment effect is undesirable, is not able to satisfy the requirement of Environmental protection.
Utility model content
In view of above-mentioned analysis, the utility model is intended to provide a kind of device for recovering oil and gas for reducing environmental pollution, to
Solve the problems, such as that existing apparatus cannot effectively recycle oil gas, cause environmental pollution.
The purpose of this utility model is mainly achieved through the following technical solutions:
The utility model provide it is a kind of reduce environmental pollution device for recovering oil and gas, including oil tank, flow condensate trap, phase
Mutual concatenated first absorber and the second absorber, vacuum pump, gas-liquid mixed absorber and fire arrester；
Oil tank exhaust outlet, the fire arrester and the stream condensate trap are sequentially connected, and the fire arrester and the stream are solidifying
The oil gas flowmeter for monitoring oil gas instantaneous flow and oil gas total flow, the oil for monitoring oil gas temperature are equipped between liquid device
Gas temperature transmitter and oil-air pressure transmitter for monitoring the oil tank internal pressure.
On the basis of above scheme, the utility model has also done following improvement:
Further, the oil gas temperature transmitter and described flow between condensate trap are equipped with for reducing the cold of oil gas temperature
But unit.
It further, further include gas concentration on-Line Monitor Device, the gas concentration on-Line Monitor Device is set to discharge outlet
Place, for gas concentration of the row of monitoring into environment.
Further, when the gas concentration on-Line Monitor Device monitors the exceeded setting value of gas concentration, petroleum vapor recovery
Device starts that absorber is desorbed.
Further, first absorber and described flow between condensate trap, vacuum pump are respectively equipped with the first, second control
Valve；Third control valve is equipped between the outlet of second absorber and the gas concentration on-Line Monitor Device.
Further, the exit of first absorber is equipped with the 4th control valve, the vacuum pump and second absorption
The bypass arranged side by side with first absorber is equipped between device, the bypass is equipped with the 5th control valve.
Further, the entrance of the first absorber and the stream condensate trap outlet connect, vacuum pump gas outlet, gas-liquid mixed
Absorber and oil tank gas returning port are sequentially connected.
Further, the second fire arrester, the exhaust of discharge tube are equipped between the oil tank and the gas-liquid mixed absorber
Discharge outlet back-fire relief cap is equipped at mouthful.
Further, the piping filter of impurity screening is equipped between the vacuum pump and second control valve.
Further, the adsorbent material of the first, second absorber is zeolite nano material.
The utility model can at least realize one of following beneficial effect:
(1) 2 absorbers are only arranged in the device for recovering oil and gas, and the efficient process to oil gas can be realized, reduce equipment
Operation and maintenance cost.
(2) by the way that the position of valve is rationally arranged, and by the unlatching of control different location valve, closing, two are realized
The independent desorption of absorber is desorbed simultaneously.
(3) the utility model reduces the temperature of oil gas by setting cooling unit, and cooling unit is not necessarily to oil gas temperature
Degree is reduced to the degree of condensation, need to only be reduced to 30 DEG C or less and non-condensing temperature, can effectively improve oil gas adsorption efficiency with
Quality.
(4) it is realized by setting gas concentration on-Line Monitor Device when gas concentration is more than setting value, petroleum vapor recovery dress
It sets control absorber is desorbed, avoids the oil gas row Xiang great Qi for not meeting discharge standard.
(5) by selecting suitable adsorbent material, not only high-efficient to the suction of oil gas, desorption, desorption time is short, and has
Have and the adsorbent material recoverable that absorption property is reduced less, and replaced is used for a long time, does not generate secondary pollution.
(6) by the way that the first absorber and the second absorption to be arranged in series, can guarantee to adsorb oil gas twice, and lead to
It crosses and selects suitable adsorbent material, so that the treatment effeciency of the device for recovering oil and gas is improved to 99.9% or more, ensure that oil gas
Low concentration discharge, meet country to oil gas volatilization discharge higher standard environmental requirement.
(7) temperature into oil gas in device can be monitored in real time by the way that oil gas temperature transmitter is arranged, when oil gas temperature
Higher than absorber optimal adsorption temperature when, by cooling unit reduce oil gas temperature, to guarantee absorber to oil gas
Effectively absorption, and then improve adsorption efficiency.
(8) by setting oil-air pressure transmitter, the pressure in oil tank can be monitored in real time, prevent pressure is excessive from bringing peace
It is complete dangerous, it ensure that the safety of device for recovering oil and gas operation.
(9) by setting oil gas flowmeter, the oil gas total amount into absorber can be counted, according to the change of oil gas flow
Change, to reasonably switch the absorption and detachment status of the first, second absorber.
(10) by the first, second, third, fourth and fifth control valve of setting, and pass through the unlatching of control valve and pass
It closes, conveniently realizes the desorption to the first absorber, the second absorber, thus guarantee the adsorption capacity of the device for recovering oil and gas,
And then guarantee the low concentration discharge of oil gas.
(11) by setting fire arrester and discharge outlet back-fire relief cap, the safety of device for recovering oil and gas greatly improved, reduce
The risk of explosion and fire.
(12) vacuum pump is only arranged in the kinetic energy equipment of the utility model, and power is very low, realizes low power operation, with
The traditional handicrafts such as the biggish condensation/film of energy consumption are compared, and the device for recovering oil and gas fortune for reducing environmental pollution is considerably reduced
Row energy consumption.
(13) by using skid cabinet form, occupied area is small, and load is light, can be easily installed in the field of all kinds of gas stations
Ground, not by place and environmental restrictions, strong applicability.
It in the utility model, can also be combined with each other between above-mentioned each technical solution, to realize more preferably combination sides
Case.Other feature and advantage of the utility model will illustrate in the following description, also, certain advantages can be from specification
It becomes apparent, or is understood and implementing the utility model.The purpose of this utility model and other advantages can pass through
It is achieved and obtained in specifically noted content in bright book, claims.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitations of the present invention, entire
In attached drawing, identical reference symbol indicates identical component.
Fig. 1 is the schematic diagram of the device for recovering oil and gas of the utility model embodiment one；
Fig. 2 is the schematic diagram of the device for recovering oil and gas of the utility model embodiment two；
Fig. 3 is the schematic diagram of the utility model embodiment cooling unit.
Appended drawing reference:
1- oil tank；2- entrance fire arrester；3- oil gas flowmeter；4- oil-air pressure transmitter；5- oil gas temperature transmitter；6-
Flow condensate trap；The first internally piloted valve of 7-；The second internally piloted valve of 8-；The first absorber of 9-；The second absorber of 10-；11- third automatic control
Valve；12- gas concentration on-Line Monitor Device；13- discharge outlet back-fire relief cap；14- discharge tube；15- piping filter；16- vacuum
Pump；17- gas-liquid mixed absorber；18- return-air fire arrester；19- return-air duct；20- exhaust pipe；21- skid cabinet；22-
Four internally piloted valves；The 5th internally piloted valve of 23-；28- oil gas entrance；29- oil gas vent；30- cooling medium entrance；31- cooling medium goes out
Mouthful；33- cooling unit.
Specific embodiment
Specifically describe the preferred embodiment of the utility model with reference to the accompanying drawing, wherein attached drawing constitutes the utility model
A part, and be used to illustrate the principles of the present invention together with the embodiments of the present invention is not intended to limit practical
Novel range.
It should be noted that vacuum pump, gas concentration on-Line Monitor Device, oil gas flow in the utility model embodiment
Meter, oil-air pressure transmitter, oil gas temperature transmitter, cooling unit and multiple control valves pass through cable and signal wire and controller
Connection, controller are used to receive signal, send instruction, realize the intelligent operation for the device for recovering oil and gas for reducing environmental pollution.
Embodiment one
One embodiment of the utility model discloses a kind of device for recovering oil and gas for reducing environmental pollution, such as Fig. 1 institute
Show, including oil tank 1, to flow condensate trap 6, the first absorber 9 for being serially connected and the second absorber 10, vacuum pump 16, gas-liquid mixed
Close absorber 17 and entrance fire arrester 2；
Oil tank exhaust outlet, entrance fire arrester 2 and stream condensate trap 6 are sequentially connected by exhaust pipe 20, entrance fire arrester 2
It flows between condensate trap 6 and is equipped with for monitoring the oil gas flowmeter 3 of oil gas instantaneous flow and oil gas total flow, for monitoring oil
The oil gas temperature transmitter 5 of temperature degree and oil-air pressure transmitter 4 for monitoring oil tank internal pressure.
Gas concentration in view of entering the first absorber 9 is higher than the second absorber 10, so, the first absorber 9 plays master
Suction-operated is wanted, therefore, the volume of the first absorber 9 is greater than the volume of the second absorber 10 in the present embodiment, is on the one hand conducive to
Quickly, oil gas is largely adsorbed, gas concentration is quickly reduced；On the other hand the load of the second absorber is reduced, it is ensured that oil gas reaches
Mark discharge；Third is that reducing cost.Illustratively, or the volume of the first absorber is identical as the second absorber.
The adsorption capacity of absorber and the gas concentration drained into environment are closely related, and in other words, gas concentration can be with
Reflect the adsorbed state of absorber.When gas concentration is exceeded, illustrate absorber adsorption saturation, needs to be desorbed；Work as gas concentration
It is up to standard, and when concentration stabilization, illustrate that the adsorption capacity of absorber is strong, without desorption.In order to understand the absorption of absorber in real time
Ability, the present embodiment are equipped with gas concentration on-Line Monitor Device in the discharge outlet of discharge tube 14, are discharged into environment for monitoring
In gas concentration, thus real-time monitoring discharge gas concentration, and then prejudge whether need that absorber is desorbed.
It should be noted that triggering petroleum vapor recovery when gas concentration on-Line Monitor Device monitors that gas concentration is exceeded
Device starts self-adjusting.Illustratively, device for recovering oil and gas self-adjusting function includes closing first, third internally piloted valve, opens the
Two internally piloted valves, open simultaneously vacuum pump, and the first absorber and the second absorber are desorbed.
For the ease of realizing absorption and the desorption of absorber, set between the first absorber of the present embodiment 9 and stream condensate trap 6
There is the first internally piloted valve 7, the second internally piloted valve 8 is equipped between vacuum pump 16；The outlet of second absorber 10 and gas concentration are online
Third internally piloted valve 11 is equipped between monitoring device 12.
When implementation, first, third internally piloted valve are opened, closes the second internally piloted valve, oil gas first adsorbs in the first absorber, not
The oil gas being adsorbed is adsorbed into the second absorber.When monitoring that gas concentration is exceeded, first, the closing of third internally piloted valve, the
Two internally piloted valves are opened, while opening vacuum pump, the first absorber and the second absorber desorption.
In view of stopping sometimes to environmental emission oil gas when absorber is desorbed, so will lead to 1 He of oil tank
Pressure increase in device for recovering oil and gas.Therefore, the device for recovering oil and gas of the present embodiment is equipped with oil-air pressure transmitter 4, is used for
Oil-air pressure changes in real-time monitoring pipeline.When oil-air pressure is greater than 1.5kPa in pipeline, then stop being desorbed, opens absorption valve
Door, adsorbs vaporizing oil-gas, improves the safety of device for recovering oil and gas, reduces the security risk of device operation.
In general, it is unstable, and oil gas instability of flow meeting that the flow of the oil gas of absorber is conveyed into from oil tank
The absorption property of absorber is seriously affected, therefore, the oil gas absorbing device of the present embodiment, which is equipped with, flows condensate trap 6.Entering the
Before one absorber 9 and the second absorber 10, oil gas is first flowing current stabilization in condensate trap 6, to guarantee to enter the first absorber
Oil gas flow with the second absorber is stable, and then guarantees good adsorption efficiency.In addition, stream condensate trap 6 there are also with
Lower two effects: first is that condensation aqueous vapor, improves the purity of the oil gas of recycling；Second is that condensation oil gas, reduces the load of absorber.
In actual production, generally by the control time come the absorption for realizing absorber and desorption alternately, but consider
Flow to oil gas is unstable, so switching the absorption of the first absorber and the second absorber by the control time merely
With desorption be alternately it is inaccurate, therefore, the present embodiment be equipped with oil gas flowmeter 3, be used to real-time monitoring pipeline in
The instantaneous flow of oil gas and accumulative total flow, thus switched by the flow of oil gas absorber absorption and desorption alternating into
Row.
Specifically, one oil gas flowmeter 3 of setting between condensate trap 6 can be flowed in entrance fire arrester 2 and.Pass through oil
The changes in flow rate of air-flow meter come prejudge absorber whether adsorption saturation, if need to be desorbed.
Although lower from gas concentration of 14 row of discharge tube into air, there is also explosion and fire risk, because
This, the present embodiment is in addition to being additionally provided with discharge in the exhaust ports of discharge tube 14 other than oil tank exhaust outlet is equipped with entrance fire arrester 2
Mouthful back-fire relief cap 13 is equipped with return-air fire arrester 18 on the return-air duct 19 at the gas returning port of oil tank, to further reduced quick-fried
Fried and fire risk.
Embodiment two
In view of the first absorber needs first to be desorbed for main absorber so the first absorber first reaches saturation, this
The second absorber of Shi Keneng still has adsorption capacity, without desorption, i.e. the time that the first absorber and the second absorber are desorbed
It is not synchronized, so, the present embodiment is equipped with the 4th internally piloted valve 22, while vacuum pump 16 and the in the exit of the first absorber
The bypass arranged side by side with the first absorber is equipped between two absorbers, bypass is equipped with the 5th internally piloted valve 23, as shown in Figure 2.Pass through
The independent desorption of the first, second absorber may be implemented in above-mentioned design, can also realize the two while be desorbed.
Specifically, first, the four, the 5th internally piloted valves are closed, the second internally piloted valve is opened, it is individually de- to the first absorber
It is attached；The first, second, third, fourth internally piloted valve is closed, the 5th internally piloted valve is opened, individually the second absorber is desorbed；Close the
One, third, the 5th internally piloted valve open the second, the 4th internally piloted valve, while the first absorber and the second absorber being desorbed.
Embodiment three
It is worth noting that, test discovery is unfavorable for the absorption of oil gas, adsorption effect is poor when oil gas temperature is higher than 30 DEG C.
Therefore, the oil gas adsorbent equipment of the present embodiment is additionally provided with oil gas temperature transmitter 5, and oil gas temperature transmitter 5 and stream is solidifying
The cooling unit 33 for reducing oil gas temperature is equipped between liquid device 6, the structural schematic diagram of cooling unit 33 is as shown in Figure 3.It is cold
But unit 33 includes cooling medium holding vessel, pump, oil gas entrance 28, oil gas vent 29, cooling medium entrance 30 and cooling medium
Outlet 31.When oil gas temperature is higher than 30 DEG C, cooling unit is controlled by controller and is passed through cooling medium to oil gas cooling, cold
But in unit, oil gas flows from the bottom up, and cooling medium flows from top to bottom, improves the cold and hot friendship of cooling medium and oil gas
Efficiency is changed, is conducive to for oil gas temperature being down to 30 DEG C hereinafter, reducing oil to guarantee that adsorbent material has good adsorption effect
Influence of the temperature to absorption property.
In view of inevitably there is impurity in oil gas, if impurity will also pass through vacuum pump and be returned without filtering
It receives, not only reduces the purity of recycled oil product, while service life of vacuum pump can also be impacted, therefore, the present embodiment
The piping filter 15 of impurity screening is equipped between vacuum pump 16 and the second internally piloted valve 8, to improve recycled oil product
Purity and improve service life of vacuum pump.
In order to increase the adsorption effect of absorber, the adsorbent material built in the absorber of the present embodiment is zeolite nanometer material
Material.This is because first is that zeolite nano material adsorption efficiency and desorption efficiency it is all very high, reach as high as 99.9%, drop significantly
Low concentration of emission and oil gas volatilization loss, meet environmental requirement of the country to oil gas volatilization discharge；Second is that zeolite nano adsorption
Material has the characteristics that absorption property, which is used for a long time, reduces few, reduction replacement frequency；Third is that the zeolite nano adsorption material of replacement
Recoverable, generation without secondary pollution.
In order to reduce occupied area, the device for recovering oil and gas of the present embodiment is installed in skid cabinet 21, has land occupation face
Product is small, and load is light, can be easily installed in the place of all kinds of gas stations, not by place and environmental restrictions, the characteristics of strong applicability.And
And the casing material of skid cabinet 21 is stainless steel, realizes the functions such as rain-proof, dust-proof, anti-corrosion.
It should be noted that the valve in the utility model embodiment can be internally piloted valve, or manually control
Valve.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (10)
1. it is a kind of reduce environmental pollution device for recovering oil and gas, which is characterized in that including oil tank, flow condensate trap, be serially connected
The first absorber and the second absorber, vacuum pump, gas-liquid mixed absorber and fire arrester；
Oil tank exhaust outlet, the fire arrester and the stream condensate trap are sequentially connected, the fire arrester and the stream condensate trap
Between be equipped with the oil gas flowmeter for monitoring oil gas instantaneous flow and oil gas total flow, the oil gas temperature for monitoring oil gas temperature
Spend transmitter and the oil-air pressure transmitter for monitoring the oil tank internal pressure.
2. the device for recovering oil and gas according to claim 1 for reducing environmental pollution, which is characterized in that the oil gas temperature becomes
Send the cooling unit being equipped between device and the stream condensate trap for reducing oil gas temperature.
3. the device for recovering oil and gas according to claim 1 or 2 for reducing environmental pollution, which is characterized in that further include oil gas
Concentration on-line monitoring device, the gas concentration on-Line Monitor Device is set at discharge outlet, for oil of the row of monitoring into environment
Gas concentration.
4. the device for recovering oil and gas according to claim 3 for reducing environmental pollution, which is characterized in that when the gas concentration
When on-Line Monitor Device monitors that gas concentration is more than setting value, device for recovering oil and gas starts that absorber is desorbed.
5. the device for recovering oil and gas according to claim 4 for reducing environmental pollution, which is characterized in that first absorber
The first, second control valve is respectively equipped with described flow between condensate trap, vacuum pump；The outlet of second absorber and described
Third control valve is equipped between gas concentration on-Line Monitor Device.
6. the device for recovering oil and gas according to claim 5 for reducing environmental pollution, which is characterized in that first absorber
Exit be equipped with the 4th control valve, between the vacuum pump and second absorber be equipped with first absorber it is arranged side by side
Bypass, the bypass be equipped with the 5th control valve.
7. the device for recovering oil and gas according to claim 1 for reducing environmental pollution, which is characterized in that the first absorber enters
Mouth is connected with the stream condensate trap outlet, and vacuum pump gas outlet, gas-liquid mixed absorber and oil tank gas returning port are sequentially connected.
8. the device for recovering oil and gas according to claim 1 for reducing environmental pollution, which is characterized in that the oil tank and described
The second fire arrester is equipped between gas-liquid mixed absorber, the exhaust ports of discharge tube are equipped with discharge outlet back-fire relief cap.
9. the device for recovering oil and gas according to claim 5 or 6 for reducing environmental pollution, which is characterized in that the vacuum pump
The piping filter of impurity screening is equipped between second control valve.
10. the device for recovering oil and gas according to claim 9 for reducing environmental pollution, which is characterized in that the first, second absorption
The adsorbent material of device is zeolite nano material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053603.4U CN208980323U (en) | 2018-12-07 | 2018-12-07 | A kind of device for recovering oil and gas reducing environmental pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053603.4U CN208980323U (en) | 2018-12-07 | 2018-12-07 | A kind of device for recovering oil and gas reducing environmental pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208980323U true CN208980323U (en) | 2019-06-14 |
Family
ID=66792023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053603.4U Active CN208980323U (en) | 2018-12-07 | 2018-12-07 | A kind of device for recovering oil and gas reducing environmental pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208980323U (en) |
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2018
- 2018-12-07 CN CN201822053603.4U patent/CN208980323U/en active Active
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