CN210764299U - Tertiary oil gas recovery system - Google Patents
Tertiary oil gas recovery system Download PDFInfo
- Publication number
- CN210764299U CN210764299U CN201920975421.4U CN201920975421U CN210764299U CN 210764299 U CN210764299 U CN 210764299U CN 201920975421 U CN201920975421 U CN 201920975421U CN 210764299 U CN210764299 U CN 210764299U
- Authority
- CN
- China
- Prior art keywords
- carbon adsorption
- insulation
- freezing
- electromagnetic valve
- tank
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a cubic vapor recovery system, including oil tank and refrigerating system, the top pipeline department of oil tank installs gas flowmeter, and gas flowmeter's top is provided with pressure sensor, refrigerating system installs in the top opposite side of oil tank, and refrigerating system's right side below pipeline department is fixed with the bypass valve, the vacuum pump is installed to refrigerating system's top, and installs first active carbon adsorption jar in the top of vacuum pump, the second active carbon adsorption jar is installed to one side of first active carbon adsorption jar. This cubic oil gas recovery system is provided with refrigerating system, and wherein cold-stored insulation can and cold-stored evaporimeter, freezing insulation can and freezing evaporimeter set up and can make vapor and the petrol in the oil gas that gets into in cold-stored insulation can and the freezing insulation can carry out further low temperature freezing after preliminary condensation, are convenient for carry out the condensation of oil gas and retrieve, improve resource utilization.
Description
Technical Field
The utility model relates to a gas station's oil gas desorption retrieves technical field, specifically is a cubic vapor recovery system.
Background
In the process of using at the filling station, can volatilize and produce oil gas, because the volatile oil gas direct discharge of filling station has the pollution to the atmosphere, does not accord with national standard, consequently need utilize to reach national emission standard after the active carbon adsorption desorption. With the increasing of fuel sales in China, the increasing of pollution control force and the increasing of pollution control standard of governments, the oil-gas pollution and safety problems of gas stations begin to be emphasized, so that various oil-gas recovery systems are widely applied to the gas stations.
Present gas recovery system of filling station only adopts the active carbon adsorption jar to adsorb, the desorption, active carbon adsorption's pressure is big, will frequently change the active carbon, and do not do the preliminary treatment to the vapor in the oil gas, it is not good to lead to later stage condensation oil gas effect, also do not change the frost device, the problem of the frost of can't solving, lead to vapor to frost in the evaporimeter, it makes the refrigeration efficiency of evaporimeter more and more low to accumulate in the sun, it is more and more poor to the liquefaction effect of petrol, it is little to lead to the proportion of retrieving petrol, the power consumption is high, economic benefits is poor, for this, we propose a cubic oil gas recovery system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cubic oil gas recovery system, only adopt the activated carbon adsorption jar to adsorb with the current oil gas recovery system of filling station who proposes in solving above-mentioned background art, the desorption, activated carbon adsorption's pressure is big, frequently change the active carbon, and do not do the preliminary treatment to the vapor in the oil gas, it is not good to lead to later stage condensation oil gas effect, also do not change the white device, can't solve the problem of changing the frost, lead to the vapor frost in the evaporimeter, long-term moon is accumulated and is makeed the refrigeration efficiency of evaporimeter more and more low, liquefaction effect to petrol is more and more poor, the proportion that leads to retrieving petrol is little, the power consumption is high, the poor problem of economic benefits.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cubic vapor recovery system, includes oil tank and refrigerating system, gas flowmeter is installed to the top pipeline department of oil tank, and gas flowmeter's top is provided with pressure sensor, refrigerating system installs in the top opposite side of oil tank, and refrigerating system's right side below pipeline department is fixed with the bypass valve, the vacuum pump is installed to refrigerating system's top, and the top of vacuum pump installs first active carbon adsorption jar, second active carbon adsorption jar is installed to one side of first active carbon adsorption jar, and the exit of first active carbon adsorption jar and second active carbon adsorption jar all is provided with normally closed solenoid valve subassembly, the top pipeline department of second active carbon adsorption jar installs gas concentration meter.
Preferably, refrigerating system is including compressor, pressure controller, condenser, condensation fan, drier-filter and throttling arrangement, and compressor's downside installs pressure controller, compressor's top is connected with the condenser, and one side of condenser installs the condensation fan, drier-filter is installed to one side of condensation fan, and one side connection of drier-filter is fixed with throttling arrangement.
Preferably, refrigerating system is still including freezing insulation can, freezing evaporimeter, cold-stored insulation can, cold-stored evaporimeter, explosion-proof electric heater unit and vapour and liquid separator, freezing insulation can sets up in one side of throttling arrangement, and the internally mounted of freezing insulation can has freezing evaporimeter, cold-stored insulation can sets up in one side of freezing insulation can, and the internally mounted of cold-stored insulation can has cold-stored evaporimeter, explosion-proof electric heater unit is all installed to the inside of freezing insulation can and cold-stored insulation can, and one side of cold-stored insulation can is provided with vapour and liquid separator.
Preferably, the internal spaces of the freezing and refrigerating insulation boxes are equal, and the freezing and refrigerating insulation boxes are communicated with the inside of the oil tank through pipelines.
Preferably, the normally closed solenoid valve subassembly is including first solenoid valve, second solenoid valve, third solenoid valve, fourth solenoid valve, fifth solenoid valve and sixth solenoid valve, first solenoid valve is installed to one side that the exit of vacuum pump is close to first active carbon adsorption jar, and one side that the exit of vacuum pump is close to second active carbon adsorption jar installs the second solenoid valve, the third solenoid valve is installed in one side that the exit of freezing insulation can is close to first active carbon adsorption jar, the fourth solenoid valve is installed to one side that the exit of freezing insulation can is close to second active carbon adsorption jar, fifth solenoid valve is installed in the exit of first active carbon adsorption jar, sixth solenoid valve is installed in the exit of second active carbon adsorption jar.
Compared with the prior art, the beneficial effects of the utility model are that: the tertiary oil gas recovery system is provided with a refrigerating system, wherein the arrangement of the cold storage insulation box and the cold storage evaporator, and the arrangement of the freezing insulation box and the freezing evaporator can enable water vapor and gasoline in oil gas entering the cold storage insulation box and the freezing insulation box to be subjected to further low-temperature freezing after being primarily condensed, so that the condensation recovery of the oil gas is facilitated, and the resource utilization rate is improved;
the refrigeration compressor is convenient for compressing a refrigerant into high-temperature and high-pressure gas to enter the condenser, the pressure controller can realize high-pressure and low-pressure protection, most of oil gas can be condensed and recovered by matching with other components in a refrigeration system, the economic benefit is realized, the energy consumption is low, the energy-saving purpose is favorably realized, the oil gas can be effectively pretreated in the early stage, the adsorption pressure of activated carbon is greatly reduced, and the service lives of the activated carbon and the vacuum pump are prolonged;
the setting of normally closed solenoid valve subassembly is convenient for use first active carbon adsorption jar, second active carbon adsorption jar in a flexible way for first active carbon adsorption jar and second active carbon adsorption jar can one adsorb, and another desorbs, and the gas concentration meter can detect the oil gas concentration after adsorbing the desorption, thereby reaches national emission standard after the active carbon adsorption in making the combustion gas, reduces the pollution.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic structural diagram of the refrigeration system of the present invention.
In the figure: 1. an oil tank; 2. a refrigeration system; 201. a refrigeration compressor; 202. a pressure controller; 203. a condenser; 204. a condensing fan; 205. drying the filter; 206. a throttling device; 207. freezing the incubator; 208. a refrigeration evaporator; 209. refrigerating the incubator; 210. a refrigerated evaporator; 211. an explosion-proof electric heating device; 212. a gas-liquid separator; 3. a bypass valve; 4. A gas flow meter; 5. a pressure sensor; 6. a vacuum pump; 7. a first activated carbon adsorption tank; 8. A second activated carbon adsorption tank; 9. a normally closed solenoid valve assembly; 901. a first solenoid valve; 902. a second solenoid valve; 903. a third electromagnetic valve; 904. a fourth solenoid valve; 905. a fifth solenoid valve; 906. a sixth electromagnetic valve; 10. a gas concentration meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a tertiary oil gas recovery system comprises an oil tank 1, a refrigeration system 2, a refrigeration compressor 201, a pressure controller 202, a condenser 203, a condensation fan 204, a drying filter 205, a throttling device 206, a freezing insulation box 207, a freezing evaporator 208, a refrigerating insulation box 209, a refrigerating evaporator 210, an explosion-proof electric heating device 211, a gas-liquid separator 212, a bypass valve 3, a gas flowmeter 4, a pressure sensor 5, a vacuum pump 6, a first activated carbon adsorption tank 7, a second activated carbon adsorption tank 8, a normally closed electromagnetic valve assembly 9, a first electromagnetic valve 901, a second electromagnetic valve 902, a third electromagnetic valve 903, a fourth electromagnetic valve 904, a fifth electromagnetic valve 905, a sixth electromagnetic valve 906 and a gas concentration meter 10, wherein the gas flowmeter 4 is installed at a pipeline above the oil tank 1, and the pressure sensor 5 is arranged above the gas flowmeter 4;
the refrigeration system 2 is arranged on the other side above the oil tank 1, a bypass valve 3 is fixed at a pipeline at the lower right side of the refrigeration system 2, the refrigeration system 2 comprises a refrigeration compressor 201, a pressure controller 202, a condenser 203, a condensing fan 204, a drying filter 205 and a throttling device 206, the pressure controller 202 is arranged on the lower side of the refrigeration compressor 201, the condenser 203 is connected to the upper side of the refrigeration compressor 201, the condensing fan 204 is arranged on one side of the condenser 203, the drying filter 205 is arranged on one side of the condensing fan 204, and the throttling device 206 is fixedly connected to one side of the drying filter 205;
the refrigerating system 2 further comprises a freezing insulation box 207, a freezing evaporator 208, a refrigerating insulation box 209, a refrigerating evaporator 210, an explosion-proof electric heating device 211 and a gas-liquid separator 212, the freezing insulation box 207 is arranged on one side of the throttling device 206, the freezing evaporator 208 is arranged inside the freezing insulation box 207, the refrigerating insulation box 209 is arranged on one side of the freezing insulation box 207, the refrigerating evaporator 210 is arranged inside the refrigerating insulation box 209, the explosion-proof electric heating device 211 is arranged inside the freezing insulation box 207 and the refrigerating insulation box 209, the gas-liquid separator 212 is arranged on one side of the refrigerating insulation box 209, the internal spaces of the freezing insulation box 207 and the refrigerating insulation box 209 are equal, the freezing insulation box 207 and the refrigerating insulation box 209 are communicated with the inside of the oil tank 1 through pipelines, and the freezing insulation box 207 and the refrigerating insulation box 209 are convenient for low-temperature compression of oil, thereby realizing the condensation and recovery of oil gas and improving the resource utilization rate;
a vacuum pump 6 is arranged above the refrigerating system 2, a first activated carbon adsorption tank 7 is arranged above the vacuum pump 6, a second activated carbon adsorption tank 8 is arranged on one side of the first activated carbon adsorption tank 7, normally closed solenoid valve assemblies 9 are arranged at the outlets of the first activated carbon adsorption tank 7 and the second activated carbon adsorption tank 8, each normally closed solenoid valve assembly 9 comprises a first solenoid valve 901, a second solenoid valve 902, a third solenoid valve 903, a fourth solenoid valve 904, a fifth solenoid valve 905 and a sixth solenoid valve 906, the first solenoid valve 901 is arranged at one side of the outlet of the vacuum pump 6 close to the first activated carbon adsorption tank 7, the second solenoid valve 902 is arranged at one side of the outlet of the vacuum pump 6 close to the second activated carbon adsorption tank 8, the third solenoid valve 903 is arranged at one side of the outlet of the freezing insulation box 207 close to the first activated carbon adsorption tank 7, the fourth solenoid valve 904 is arranged at one side of the outlet of the freezing insulation box 207 close to the second activated carbon adsorption tank 8, a fifth electromagnetic valve 905 is installed at the outlet of the first activated carbon adsorption tank 7, a sixth electromagnetic valve 906 is installed at the outlet of the second activated carbon adsorption tank 8, and a gas concentration meter 10 is installed at the upper pipeline of the second activated carbon adsorption tank 8.
The working principle is as follows: for such a tertiary oil gas recovery system, firstly, oil gas in an oil tank 1 enters a refrigeration insulation box 209 through a gas flowmeter 4, water vapor and a small part of gasoline in the oil gas are condensed in the refrigeration insulation box 209 and then enter a freezing insulation box 207 to condense most of gasoline molecules, condensed liquid water and gasoline return to the oil tank 1 through an oil return pipeline, and the gasoline molecules which are not completely condensed enter a first activated carbon adsorption tank 7 and a second activated carbon adsorption tank 8 to be adsorbed and desorbed;
in this process, when the pressure sensor 5 detects that the pressure gauge pressure is greater than the set value and the temperature sensor detects that the temperature in the refrigeration and insulation box 209 is lower than-44 ℃ (data is merely an example for illustrating the principle), the conditions of the above temperature and pressure are simultaneously met, the adsorption system is started, one of the first activated carbon adsorption tank 7 and the second activated carbon adsorption tank 8 adsorbs the temperature, the other one desorbs, for example, when the first activated carbon adsorption tank 7 adsorbs the temperature, the first electromagnetic valve 901, the third electromagnetic valve 903 and the fifth electromagnetic valve 905 are opened, the second electromagnetic valve 902, the fourth electromagnetic valve 904 and the sixth electromagnetic valve 906 are closed, the oil gas enters the first activated carbon adsorption tank 7 through the third electromagnetic valve 903 for adsorption, enters the atmosphere through the fifth electromagnetic valve 905 and the gas concentration meter 10, at this time, the vacuum pump 6 is started to create negative pressure for the second activated carbon adsorption tank 8, oil gas molecules are separated from the active carbon under the action of negative pressure, and the separated oil gas molecules are sent back to the oil tank 1 by the vacuum pump 6;
refrigerant is compressed into high-temperature and high-pressure gas in a refrigeration compressor 201 and enters a condenser 203, a condensing fan 204 cools the condenser 203, the refrigerant is condensed into low-temperature and high-pressure liquid in the condenser 203 and enters a drying filter 205, the liquid is dried and filtered and then enters a throttling device 206 (a capillary tube or an expansion valve and the like), the refrigerant is subjected to diffusion expansion in a refrigeration evaporator 210 and a refrigeration evaporator 208 to absorb and take away heat in a refrigeration insulation box 209 and the refrigeration insulation box 207, the refrigerant enters a gas-liquid separator 212, the unevaporated liquid refrigerant is left in the refrigerant, the gaseous refrigerant returns to the refrigeration compressor 201, a pressure controller 202 can realize high-pressure and low-pressure protection, and when the exhaust pressure of the compressor is greater than a certain numerical value or the return pressure of the compressor is lower than a certain numerical value, the equipment stops working as long;
after the defrosting process is started, the bypass valve 3 reverses the high-temperature and high-pressure refrigerant, the refrigerant entering the condenser 203 is stopped, the high-temperature and high-pressure refrigerant directly enters the refrigeration evaporator 210 and the freezing evaporator 208, the frost of the evaporators can be removed in a short time, and then the refrigerant returns to the refrigeration compressor 201 through the gas-liquid separator 212, the defrosting process of the refrigeration heat-preservation box 209 and the freezing heat-preservation box 207 can be realized by adopting the explosion-proof electric heating device 211, and only one of the two schemes is selected in practical application, so that the using process of the whole tertiary oil-gas recovery system is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a cubic oil gas recovery system, includes oil tank (1) and refrigerating system (2), its characterized in that: gas flowmeter (4) are installed to the top pipeline department of oil tank (1), and the top of gas flowmeter (4) is provided with pressure sensor (5), refrigerating system (2) are installed in the top opposite side of oil tank (1), and the right side below pipeline department of refrigerating system (2) is fixed with bypass valve (3), vacuum pump (6) are installed to the top of refrigerating system (2), and first active carbon adsorption jar (7) are installed to the top of vacuum pump (6), second active carbon adsorption jar (8) are installed to one side of first active carbon adsorption jar (7), and the exit of first active carbon adsorption jar (7) and second active carbon adsorption jar (8) all is provided with normally closed solenoid valve subassembly (9), gaseous concentration meter (10) are installed to the top pipeline department of second active carbon adsorption jar (8).
2. The tertiary oil and gas recovery system of claim 1, wherein: refrigerating system (2) is including compressor (201), pressure controller (202), condenser (203), condensation fan (204), drier-filter (205) and throttling arrangement (206), and compressor (201)'s downside is installed pressure controller (202), compressor (201)'s top is connected with condenser (203), and condenser fan (204) are installed to one side of condenser (203), drier-filter (205) are installed to one side of condensation fan (204), and one side connection of drier-filter (205) is fixed with throttling arrangement (206).
3. The tertiary oil and gas recovery system of claim 1, wherein: refrigerating system (2) are still including freezing insulation can (207), freezing evaporimeter (208), cold-stored insulation can (209), cold-stored evaporimeter (210), explosion-proof electric heater unit (211) and vapour and liquid separator (212), freezing insulation can (207) set up in one side of throttling arrangement (206), and the internally mounted of freezing insulation can (207) has freezing evaporimeter (208), cold-stored insulation can (209) set up in one side of freezing insulation can (207), and the internally mounted of cold-stored insulation can (209) has cold-stored evaporimeter (210), explosion-proof electric heater unit (211) are all installed to the inside of freezing insulation can (207) and cold-stored insulation can (209), and one side of cold-stored insulation can (209) is provided with vapour and liquid separator (212).
4. A tertiary oil and gas recovery system according to claim 3, characterized in that: the internal spaces of the freezing insulation box (207) and the refrigerating insulation box (209) are equal, and the freezing insulation box (207) and the refrigerating insulation box (209) are communicated with the inside of the oil tank (1) through pipelines.
5. The tertiary oil and gas recovery system of claim 1, wherein: the normally closed electromagnetic valve component (9) comprises a first electromagnetic valve (901), a second electromagnetic valve (902), a third electromagnetic valve (903), a fourth electromagnetic valve (904), a fifth electromagnetic valve (905) and a sixth electromagnetic valve (906), wherein the first electromagnetic valve (901) is installed on one side, close to the first activated carbon adsorption tank (7), of the outlet of the vacuum pump (6), the second electromagnetic valve (902) is installed on one side, close to the second activated carbon adsorption tank (8), of the outlet of the vacuum pump (6), the third electromagnetic valve (903) is installed on one side, close to the first activated carbon adsorption tank (7), of the outlet of the freezing insulation tank (207), the fourth electromagnetic valve (904) is installed on one side, close to the second activated carbon adsorption tank (8), of the outlet of the freezing insulation tank (207), the fifth electromagnetic valve (905) is installed on the outlet of the first activated carbon adsorption tank (7), and a sixth electromagnetic valve (906) is installed at the outlet of the second activated carbon adsorption tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920975421.4U CN210764299U (en) | 2019-06-26 | 2019-06-26 | Tertiary oil gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920975421.4U CN210764299U (en) | 2019-06-26 | 2019-06-26 | Tertiary oil gas recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210764299U true CN210764299U (en) | 2020-06-16 |
Family
ID=71037014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920975421.4U Active CN210764299U (en) | 2019-06-26 | 2019-06-26 | Tertiary oil gas recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210764299U (en) |
-
2019
- 2019-06-26 CN CN201920975421.4U patent/CN210764299U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108211648B (en) | Heat recovery type condensation and temperature and pressure swing adsorption combined process oil gas recovery device | |
| CN103394267B (en) | A kind of device for recovering oil and gas in conjunction with condensation and absorption | |
| CN102141322A (en) | Absorption-mechanical compression coupling refrigeration and cold accumulation system | |
| CN102911703A (en) | Oil-gas recovery method | |
| CN110171796A (en) | A kind of gas recovery system for oil three times | |
| CN102921269A (en) | Oil gas recycling device | |
| CN104826446A (en) | Adsorption recycling device and method for acrylonitrile gas | |
| CN210764299U (en) | Tertiary oil gas recovery system | |
| CN201735206U (en) | Cooling and absorbing oil gas recovery device | |
| CN212818960U (en) | Three-stage cascade condensation cold energy recycling and adsorption combined type oil gas recovery device | |
| CN106669355B (en) | Integrated oil gas recovery device based on image identification defrosting technology | |
| CN204219994U (en) | The cold storage absorption process oil-gas recovery processing device of absorption-low temperature | |
| CN210952001U (en) | Refrigerating system for oil gas liquefaction treatment | |
| CN208395104U (en) | A kind of condensation adsorption formula device for recovering oil and gas | |
| CN202909604U (en) | Oil vapor recovery device | |
| CN105783329A (en) | Solar energy absorption refrigeration and adsorption refrigeration combination refrigeration system | |
| CN103353207B (en) | Device for purifying methane liquid from purified landfill gas | |
| CN104826447A (en) | Device and method for recycling acrylonitrile gas | |
| CN204723980U (en) | A kind of retracting device of acrylonitrile gas | |
| CN212320120U (en) | Oil gas recovery condensing unit | |
| CN211871871U (en) | Fixed aviation kerosene oil gas recovery system | |
| CN110470084A (en) | A kind of refrigeration system of oil gas liquefaction processing | |
| CN105617814A (en) | Low-energy organic exhaust gas purification and recovery device and method | |
| CN204656288U (en) | The condensation of wood-based plate manufacturing adds absorption type formaldehyde retracting device | |
| CN204752562U (en) | Trifluoropropene recovery unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211028 Address after: 266000 first floor, building 1, West, No. 1178, zhaizishan Road, Huangdao District, Qingdao, Shandong Patentee after: Qingdao langyuan environmental protection equipment Co.,Ltd. Address before: 266000 household 702, unit 1, building 130, Taihangshan Road, Huangdao District, Qingdao, Shandong Patentee before: Wang Shangyu |
|
| TR01 | Transfer of patent right |