CN110171796A - A kind of gas recovery system for oil three times - Google Patents
A kind of gas recovery system for oil three times Download PDFInfo
- Publication number
- CN110171796A CN110171796A CN201910563759.3A CN201910563759A CN110171796A CN 110171796 A CN110171796 A CN 110171796A CN 201910563759 A CN201910563759 A CN 201910563759A CN 110171796 A CN110171796 A CN 110171796A
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- CN
- China
- Prior art keywords
- solenoid valve
- oil
- gas
- absorbent charcoal
- charcoal adsorption
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/36—Arrangements of flow- or pressure-control valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
- B67D7/54—Filling nozzles with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/56—Arrangements of flow-indicators, e.g. transparent compartments, windows, rotary vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/80—Arrangements of heating or cooling devices for liquids to be transferred
Abstract
The invention discloses a kind of gas recovery system for oil three times, including oil tank and refrigeration system, gas flowmeter is installed at the top pipeline of the oil tank, and pressure sensor is provided with above gas flowmeter, the refrigeration system is installed on the top other side of oil tank, and by-passing valve is fixed at the lower right pipeline of refrigeration system, vacuum pump is installed above the refrigeration system, and the first absorbent charcoal adsorption tank is installed above vacuum pump, the side of first absorbent charcoal adsorption tank is equipped with the second absorbent charcoal adsorption tank.Gas recovery system for oil is provided with refrigeration system three times for this, wherein the setting of cold storage insulation box and refrigeration evaporator, freezing incubator and refrigerating evaporator enables to the vapor and gasoline that enter cold storage insulation box and freeze in the oil gas in incubator to carry out further cryogenic freezing after preliminary condensation, it is convenient for the condensing recovery of oil gas, improves resource utilization.
Description
Technical field
The present invention relates to gas station oil gas, and recovery technology field is desorbed, specially a kind of gas recovery system for oil three times.
Background technique
In gas station during use, it can volatilize and generate oil gas, since the oil gas direct emission of gas station's volatilization is to big
Gas has pollution, does not meet national standard, it is therefore desirable to reach national emission standard after being desorbed using activated carbon adsorption.With China
Fuel oil sales volume is constantly soaring and government's pollution treatment puts more effort and pollution treatment standard upgrading, and gas station oil gas pollution and safety are asked
Topic starts to be taken seriously, therefore all kinds of gas recovery system for oil are widely used in gas station.
Existing oil gas recovery system of gas station carries out adsorption and desorption only with absorbent charcoal adsorption tank, activated carbon adsorption
Pressure is big, frequently to replace active carbon, and does not pre-process to the water vapour in oil gas, leads to later period condensed oil-gas effect not
It is good, it also without defrosting device, can not solve the problems, such as defrost, lead to water vapour frosting in evaporator, accumulate over a long period so that steaming
The refrigerating efficiency for sending out device is lower and lower, worse and worse to the liquefaction effect of gasoline, causes the ratio for recycling gasoline small, and energy consumption is high,
Deficiency in economic performance, for this purpose, it is proposed that a kind of gas recovery system for oil three times.
Summary of the invention
It is mentioned above in the background art existing to solve the purpose of the present invention is to provide a kind of gas recovery system for oil three times
Some oil gas recovery system of gas station carry out adsorption and desorption only with absorbent charcoal adsorption tank, and the pressure of activated carbon adsorption is big, frequency
Numerous replacement active carbon, and the water vapour in oil gas is not pre-processed, cause later period condensed oil-gas ineffective, does not also change
White device can not solve the problems, such as defrost, lead to water vapour frosting in evaporator, accumulate over a long period so that the refrigeration of evaporator is imitated
Rate is lower and lower, worse and worse to the liquefaction effect of gasoline, causes the ratio for recycling gasoline small, energy consumption is high, deficiency in economic performance
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of gas recovery system for oil three times, including oil tank and
Refrigeration system is equipped with gas flowmeter at the top pipeline of the oil tank, and pressure biography is provided with above gas flowmeter
Sensor, the refrigeration system is installed on the top other side of oil tank, and is fixed with by-passing valve at the lower right pipeline of refrigeration system,
Vacuum pump is installed above the refrigeration system, and the first absorbent charcoal adsorption tank is installed above vacuum pump, described first
The side of absorbent charcoal adsorption tank is equipped with the second absorbent charcoal adsorption tank, and the first absorbent charcoal adsorption tank and the second absorbent charcoal adsorption tank
Exit be provided with normally closed solenoid valve component, gas concentration is installed at the top pipeline of second absorbent charcoal adsorption tank
Meter.
Preferably, the refrigeration system include refrigeration compressor, it is pressure controller, condenser, condensation fan, dried
Filter and throttling set, and pressure controller is installed on the downside of refrigeration compressor, it is connected with above the refrigeration compressor
Condenser, and the side of condenser is equipped with condensation fan, the side of the condensation fan is equipped with device for drying and filtering, and dry
The side of filter is fixedly connected with throttling set.
Preferably, the refrigeration system further includes having freezing incubator, refrigerating evaporator, cold storage insulation box, refrigeration evaporation
Device, explosion-proof electric heating apparatus and gas-liquid separator, the freezing incubator is set to the side of throttling set, and freezes incubator
Inside refrigerating evaporator is installed, the cold storage insulation box is set to the side of freezing incubator, and cold storage insulation box is interior
Portion is equipped with refrigeration evaporator, and the inside of the freezing incubator and cold storage insulation box is mounted on explosion-proof electric heating apparatus, and
The side of cold storage insulation box is provided with gas-liquid separator.
Preferably, the inner space of the freezing incubator and cold storage insulation box is equal, and freezes incubator and refrigeration guarantor
Incubator passes through pipeline and is connected with the inside of oil tank.
Preferably, the normally closed solenoid valve component includes the first solenoid valve, second solenoid valve, third solenoid valve, the 4th
Pacify close to the side of the first absorbent charcoal adsorption tank in the exit of solenoid valve, the 5th solenoid valve and the 6th solenoid valve, the vacuum pump
Equipped with the first solenoid valve, and the exit of vacuum pump is equipped with second solenoid valve close to the side of the second absorbent charcoal adsorption tank, institute
The exit for stating freezing incubator is equipped with third solenoid valve close to the side of the first absorbent charcoal adsorption tank, and freezes incubator
Exit is equipped with the 4th solenoid valve, the exit of first absorbent charcoal adsorption tank close to the side of the second absorbent charcoal adsorption tank
5th solenoid valve is installed, the exit of second absorbent charcoal adsorption tank is equipped with the 6th solenoid valve.
Compared with prior art, the beneficial effects of the present invention are: this gas recovery system for oil is provided with refrigeration system three times,
The setting of middle cold storage insulation box and refrigeration evaporator, freezing incubator and refrigerating evaporator enable to enter cold storage insulation box and
The vapor and gasoline freezed in the oil gas in incubator carries out further cryogenic freezing after preliminary condensation, is convenient for oil
The condensing recovery of gas improves resource utilization;
Refrigeration compressor is convenient for the gas that refrigerant is compressed into high temperature and pressure entering condenser, and pressure controller is able to achieve high-low pressure
Protection cooperates the use of other component in refrigeration system that can recycle most of oil gas condensation, realizes economic benefit, and energy
It consumes low, is advantageously implemented energy-efficient purpose, additionally it is possible to pretreatment early period effectively be carried out to oil gas, substantially reduce the suction of active carbon
Enclosure pressure, so that the service life of active carbon and vacuum pump extends;
The setting of normally closed solenoid valve component uses the first absorbent charcoal adsorption tank, the second absorbent charcoal adsorption tank convenient for flexible, so that the
One absorbent charcoal adsorption tank and the second absorbent charcoal adsorption tank can one adsorbed, another is desorbed, gas concentration meter energy
It is enough that gas concentration after adsorption/desorption is detected, so that reaching national row after activated carbon adsorption in the gas of discharge
Standard is put, pollution is reduced.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the present invention;
Fig. 2 is inventive refrigeration system structural schematic diagram.
In figure: 1, oil tank;2, refrigeration system;201, refrigeration compressor;202, pressure controller;203, condenser;204,
Condensation fan;205, device for drying and filtering;206, throttling set;207, incubator is freezed;208, refrigerating evaporator;209, refrigeration is protected
Incubator;210, refrigeration evaporator;211, explosion-proof electric heating apparatus;212, gas-liquid separator;3, by-passing valve;4, gas flowmeter;
5, pressure sensor;6, vacuum pump;7, the first absorbent charcoal adsorption tank;8, the second absorbent charcoal adsorption tank;9, normally closed solenoid valve component;
901, the first solenoid valve;902, second solenoid valve;903, third solenoid valve;904, the 4th solenoid valve;905, the 5th solenoid valve;
906, the 6th solenoid valve;10, gas concentration meter.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of gas recovery system for oil three times, including oil tank 1, system
Cooling system 2, refrigeration compressor 201, pressure controller 202, condenser 203, condensation fan 204, device for drying and filtering 205, throttling
Device 206, freezing incubator 207, refrigerating evaporator 208, cold storage insulation box 209, refrigeration evaporator 210, explosion-proof electric heating dress
Set 211, gas-liquid separator 212, by-passing valve 3, gas flowmeter 4, pressure sensor 5, vacuum pump 6, the first absorbent charcoal adsorption tank
7, the second absorbent charcoal adsorption tank 8, normally closed solenoid valve component 9, the first solenoid valve 901, second solenoid valve 902, third solenoid valve
903, the 4th solenoid valve 904, the 5th solenoid valve 905, the 6th solenoid valve 906 and gas concentration meter 10, at the top pipeline of oil tank 1
Gas flowmeter 4 is installed, and the top of gas flowmeter 4 is provided with pressure sensor 5;
Refrigeration system 2 is installed on the top other side of oil tank 1, and by-passing valve 3 is fixed at the lower right pipeline of refrigeration system 2,
Refrigeration system 2 includes refrigeration compressor 201, pressure controller 202, condenser 203, condensation fan 204, device for drying and filtering
205 and throttling set 206, and the downside of refrigeration compressor 201 is equipped with pressure controller 202, the top of refrigeration compressor 201
It is connected with condenser 203, and the side of condenser 203 is equipped with condensation fan 204, the side of condensation fan 204 is equipped with dry
Dry filter 205, and the side of device for drying and filtering 205 is fixedly connected with throttling set 206;
Refrigeration system 2 further include have freezing incubator 207, refrigerating evaporator 208, cold storage insulation box 209, refrigeration evaporator 210,
Explosion-proof electric heating apparatus 211 and gas-liquid separator 212, freezing incubator 207 are set to the side of throttling set 206, and freeze
The inside of incubator 207 is equipped with refrigerating evaporator 208, and cold storage insulation box 209 is set to the side of freezing incubator 207, and
The inside of cold storage insulation box 209 is equipped with refrigeration evaporator 210, and the inside for freezing incubator 207 and cold storage insulation box 209 is pacified
Side equipped with explosion-proof electric heating apparatus 211, and cold storage insulation box 209 is provided with gas-liquid separator 212, freezes incubator 207
It is equal with the inner space of cold storage insulation box 209, and incubator 207 and cold storage insulation box 209 are freezed by pipeline and oil tank 1
Inside be connected, freeze incubator 207 and cold storage insulation box 209 and be convenient for oil gas progress low temperature compression oil tank 1 inside, from
And realize the condensing recovery of oil gas, improve resource utilization;
The top of refrigeration system 2 is equipped with vacuum pump 6, and the top of vacuum pump 6 is equipped with the first absorbent charcoal adsorption tank 7, and first
The side of absorbent charcoal adsorption tank 7 is equipped with the second absorbent charcoal adsorption tank 8, and the first absorbent charcoal adsorption tank 7 and the second active carbon are inhaled
The exit of attached tank 8 is provided with normally closed solenoid valve component 9, and normally closed solenoid valve component 9 includes the first solenoid valve 901, second
Solenoid valve 902, third solenoid valve 903, the 4th solenoid valve 904, the 5th solenoid valve 905 and the 6th solenoid valve 906, vacuum pump 6
Exit is equipped with the first solenoid valve 901 close to the side of the first absorbent charcoal adsorption tank 7, and the exit of vacuum pump 6 is close to
The side of two absorbent charcoal adsorption tanks 8 is equipped with second solenoid valve 902, freezes the exit of incubator 207 close to the first active carbon
The side of adsorption tanks 7 is equipped with third solenoid valve 903, and freezes the exit of incubator 207 close to the second absorbent charcoal adsorption tank 8
Side the 4th solenoid valve 904 is installed, the exit of the first absorbent charcoal adsorption tank 7 is equipped with the 5th solenoid valve 905, and second is living
The exit of property charcoal adsorption tanks 8 is equipped with the 6th solenoid valve 906, is equipped with gas at the top pipeline of the second absorbent charcoal adsorption tank 8
Bulk concentration meter 10.
Working principle: make the oil gas in oil tank 1 through gas flowmeter 4 first this kind of gas recovery system for oil three times
Into in cold storage insulation box 209, in cold storage insulation box 209 by oil gas vapor and small part gasoline condensation subsequently into
It freezes in incubator 207, most petrol molecule is condensed, condensed liquid water and gasoline return to oil by oil return line
In tank 1, the petrol molecule of non-total condensation, which enters in the first absorbent charcoal adsorption tank 7 and the second absorbent charcoal adsorption tank 8, to be adsorbed
And desorption;
In this course, when pressure sensor 5 detects that pressure gauge pressure is greater than setting numerical value and temperature sensor detection is cold
When hiding the temperature in incubator 209 lower than -44 DEG C (data are just to principle of specification citing), while meeting temperatures above and pressure
The condition of power, adsorption system starting, the first absorbent charcoal adsorption tank 7 and the second absorbent charcoal adsorption tank 8 one of them absorption, in addition one
It is a to be desorbed, such as when the absorption of the first absorbent charcoal adsorption tank 7, the first solenoid valve 901, third solenoid valve 903 and the 5th solenoid valve
905 is open-minded, and second solenoid valve 902, the 4th solenoid valve 904 and the 6th solenoid valve 906 are closed, oil gas through third solenoid valve 903 into
Enter the first absorbent charcoal adsorption tank 7 to be adsorbed, atmosphere is entered by the 5th solenoid valve 905 and gas concentration meter 10, at this point, vacuum
6 starting of pump, creates negative pressure for the second absorbent charcoal adsorption tank 8, so that oil gas is under the action of negative pressure by oil gas molecule and active carbon
Separation, vacuum pump 6 send back to the oil gas molecule separated in oil tank 1;
The gas that refrigerant is compressed into high temperature and pressure in refrigeration compressor 201 enters condenser 203, and condensation fan 204 is to cold
Condenser 203 is cooling, and the liquid that refrigerant is condensed into cryogenic high pressure in condenser 203 enters device for drying and filtering 205, dry filter it
Enter throttling set 206(capillary or expansion valve etc. afterwards), refrigerant expands in refrigeration evaporator 210 and refrigerating evaporator 208
Compression swelling absorbs and takes away cold storage insulation box 209 and freezes the heat in incubator 207, and refrigerant enters gas-liquid separator 212
Afterwards, unevaporated liquid refrigerants is left in them, and gaseous coolant is back in refrigeration compressor 201, and pressure controller 202 is able to achieve
High-low pressure protection, when the pressure at expulsion of compressor is greater than certain numerical value or back pressure lower than certain numerical value, as long as meeting it
As soon as equipment stops working, refrigeration compressor 201 is protected with this;
And after the starting of defrost process, by-passing valve 3 commutates the refrigerant of high temperature and pressure, and the refrigerant into condenser 203 ends, high
The refrigerant of warm high pressure is directly entered refrigeration evaporator 210 and refrigerating evaporator 208, in a short time can be by the knot of evaporator
Frost melts, and then returns to refrigeration compressor 201 through gas-liquid separator 212, can also be realized using explosion-proof electric heating apparatus 211
The defrost process of cold storage insulation box 209 and freezing incubator 207, and both scheme practical applications are only selected first, like this
Complete the use process of entire gas recovery system for oil three times.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of gas recovery system for oil, including oil tank (1) and refrigeration system (2) three times, it is characterised in that: the oil tank (1)
It is equipped at the pipeline of top gas flowmeter (4), and is provided with pressure sensor (5), the system above gas flowmeter (4)
Cooling system (2) is installed on the top other side of oil tank (1), and is fixed with by-passing valve at the lower right pipeline of refrigeration system (2)
(3), it is equipped with vacuum pump (6) above the refrigeration system (2), and the suction of the first active carbon is installed above vacuum pump (6)
The side of attached tank (7), first absorbent charcoal adsorption tank (7) is equipped with the second absorbent charcoal adsorption tank (8), and the first active carbon is inhaled
The exit of attached tank (7) and the second absorbent charcoal adsorption tank (8) is provided with normally closed solenoid valve component (9), second active carbon
Gas concentration meter (10) are installed at the top pipeline of adsorption tanks (8).
2. a kind of gas recovery system for oil three times according to claim 1, it is characterised in that: the refrigeration system (2) includes
Have refrigeration compressor (201), pressure controller (202), condenser (203), condensation fan (204), device for drying and filtering (205) and
Throttling set (206), and pressure controller (202), the refrigeration compressor are installed on the downside of refrigeration compressor (201)
(201) it is connected with above condenser (203), and the side of condenser (203) is equipped with condensation fan (204), the condensation
The side of blower (204) is equipped with device for drying and filtering (205), and the side of device for drying and filtering (205) is fixedly connected with throttling dress
Set (206).
3. a kind of gas recovery system for oil three times according to claim 1, it is characterised in that: the refrigeration system (2) is also wrapped
Freezing incubator (207), refrigerating evaporator (208), cold storage insulation box (209), refrigeration evaporator (210), anti-explosion electric has been included to add
Thermal (211) and gas-liquid separator (212), freezing incubator (207) are set to the side of throttling set (206), and
The inside of freezing incubator (207) is equipped with refrigerating evaporator (208), and the cold storage insulation box (209) is set to freezing heat preservation
The side of case (207), and the inside of cold storage insulation box (209) is equipped with refrigeration evaporator (210), the freezing incubator
(207) it is mounted on explosion-proof electric heating apparatus (211) with the inside of cold storage insulation box (209), and the one of cold storage insulation box (209)
Side is provided with gas-liquid separator (212).
4. a kind of gas recovery system for oil three times according to claim 3, it is characterised in that: the freezing incubator (207)
It is equal with the inner space of cold storage insulation box (209), and freezing incubator (207) and cold storage insulation box (209) pass through pipeline
It is connected with the inside of oil tank (1).
5. a kind of gas recovery system for oil three times according to claim 1, it is characterised in that: the normally closed solenoid valve component
It (9) include the first solenoid valve (901), second solenoid valve (902), third solenoid valve (903), the 4th solenoid valve (904), the 5th
Solenoid valve (905) and the 6th solenoid valve (906), the exit of the vacuum pump (6) is close to the one of the first absorbent charcoal adsorption tank (7)
Side is equipped with the first solenoid valve (901), and the exit of vacuum pump (6) is installed close to the side of the second absorbent charcoal adsorption tank (8)
Have second solenoid valve (902), the exit of freezing incubator (207) is pacified close to the side of the first absorbent charcoal adsorption tank (7)
Equipped with third solenoid valve (903), and the exit for freezing incubator (207) is pacified close to the side of the second absorbent charcoal adsorption tank (8)
Equipped with the 4th solenoid valve (904), the exit of first absorbent charcoal adsorption tank (7) is equipped with the 5th solenoid valve (905), described
The exit of second absorbent charcoal adsorption tank (8) is equipped with the 6th solenoid valve (906).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910563759.3A CN110171796A (en) | 2019-06-26 | 2019-06-26 | A kind of gas recovery system for oil three times |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910563759.3A CN110171796A (en) | 2019-06-26 | 2019-06-26 | A kind of gas recovery system for oil three times |
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Publication Number | Publication Date |
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CN110171796A true CN110171796A (en) | 2019-08-27 |
Family
ID=67699120
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CN201910563759.3A Withdrawn CN110171796A (en) | 2019-06-26 | 2019-06-26 | A kind of gas recovery system for oil three times |
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CN (1) | CN110171796A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110470084A (en) * | 2019-09-25 | 2019-11-19 | 青岛朗源环保设备有限公司 | A kind of refrigeration system of oil gas liquefaction processing |
CN110902181A (en) * | 2019-11-14 | 2020-03-24 | 山东鑫福测控技术有限公司 | Oil gas recovery system of storage tank and control method thereof |
CN113929049A (en) * | 2021-10-21 | 2022-01-14 | 中船动力研究院有限公司 | Lubricating oil or fuel oil heating system utilizing waste heat of diesel engine exhaust gas |
-
2019
- 2019-06-26 CN CN201910563759.3A patent/CN110171796A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110470084A (en) * | 2019-09-25 | 2019-11-19 | 青岛朗源环保设备有限公司 | A kind of refrigeration system of oil gas liquefaction processing |
CN110902181A (en) * | 2019-11-14 | 2020-03-24 | 山东鑫福测控技术有限公司 | Oil gas recovery system of storage tank and control method thereof |
CN113929049A (en) * | 2021-10-21 | 2022-01-14 | 中船动力研究院有限公司 | Lubricating oil or fuel oil heating system utilizing waste heat of diesel engine exhaust gas |
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Application publication date: 20190827 |