CN201351116Y - Centralized oil and gas recovery unit - Google Patents
Centralized oil and gas recovery unit Download PDFInfo
- Publication number
- CN201351116Y CN201351116Y CNU2009200885404U CN200920088540U CN201351116Y CN 201351116 Y CN201351116 Y CN 201351116Y CN U2009200885404 U CNU2009200885404 U CN U2009200885404U CN 200920088540 U CN200920088540 U CN 200920088540U CN 201351116 Y CN201351116 Y CN 201351116Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
A centralized oil and gas recovery unit is characterized by comprising a rack (1), a vacuum pump (2) installed on the rack, a motor (3) installed on the rack, a pipe (4) connected with the vacuum pump, a pressure sensor (5) installed on the pipe, and a control unit (6). The recovery unit has the function of regulating vacuum pump rotating speed by variable frequency so that the pressure of an oil and gas recovery pipeline is maintained at a set value, thus achieving the purposes of meeting gas-liquid ratio of oil and gas recovery as well as saving energy. The recovery unit is designed in accordance with explosion-proof technical requirements, can be used in tank farms, gas stations and other dangerous places, and has the advantages of simple installation, safe and reliable performance, low noise and the like, thus being widely used in industries such as petroleum and chemical industry and the like for recycling oil and gas or other dangerous gases.
Description
Technical field
The utility model patent relates to a kind of equipment that oil gas reclaims, and relates to a kind of centralized device for recovering oil and gas specifically.
Background technology
Fewer and feweri along with non-renewable resources, the growing to even greater heights of oil price, the recycling of oil product becomes more and more important.Gasoline can produce a large amount of volatilizations in can, transportation, storage, hair oil process.Be discharged into the oil gas serious environment pollution not only in the atmosphere, and the physical and mental health that can endanger surrounding resident and pump attendant; The oil gas that gives off is the root that causes fire and blast; A large amount of oil gas volatilizations also can cause certain wasting of resources.
Oil gas is meant the gas of petrol vapour, lightweight oil gas and other organic chemical industry's products, particularly works as gasoline or lightweight oil in loading and unloading, sales process, and the oil gas loss is very big.In oil tank oiling process, discharge and injection rate volume gas about equally, add because oil reservoir moves the friction of generation, the evaporation that vibration causes, discharging gas flow increases by 10% than injecting oil volume approximately.For gasoline, concentration is roughly 20%～50%.During automobile fuel filler, the oil gas in the fuel tank and because the oil gas that gasoline is produced by vigorous stirring in the fuel tank when refueling can be arranged to atmosphere, the hydrocarbon concentration of discharge gas reaches 25%-50%.Summer, the gasoline evaporation capacity was big owing to the temperature height, and the respiratory system of gasoline tank also can be discharged a large amount of oil gas.
Data shows according to statistics, and the volatilizing loss of gasoline accounts for about 3 ‰ of annual operating capacity.For the petrol service station of year 10000 tons of operating capacities, annually lose about 30 tons gasoline because of oil gas volatilization.This is a no small numeral.
The pollutants that gasoline volatilization goes out has comprised multiple harmful materials such as benzene,toluene,xylene, ethylbenzene, and wherein the toxicity with benzene is the highest, and tested the testing of benzene proves carcinogen, can cause leukaemia, and can cause phenomenons such as gene mutation.
The oil gas of discharging can cause atmospheric contamination; Simultaneously, the oil gas of discharging works the mischief to safety in production.
Therefore how the process contaminated environment of petrol service station operation is controlled, prevented and treated, more and more be subjected to the attention of each country of the world.
In order to eliminate and prevent the harm of oil gas, oil gas is reclaimed people and many-sided exploration has been carried out in improvement work, and a lot of successful experience have been obtained in developed country and area, the U.S., European various countries, Japan etc., since the seventies just improvement.The oil gas of China reclaims and administers engineering and rises, and under this background, centralized device for recovering oil and gas arises at the historic moment just.
Summary of the invention
The purpose of the utility model patent provides a kind of centralized device for recovering oil and gas that is used for gas recovery system for oil.This centralized device for recovering oil and gas has installs simple, safe and reliable, stable performance, characteristics that noise is low, but the rotating speed of automatically regulating vacuum pump, and the pressure of keeping pipeline is in a setting value, thereby guarantees the gas liquid ratio of every nozzle and the purpose of saving the energy.
The purpose of the utility model patent can adopt following measure to realize:
Centralized device for recovering oil and gas of the present utility model comprises pipeline that frame, rack-mounted vacuum pump, rack-mounted motor link to each other with vacuum pump, is installed in pressure sensor and control setup on the pipeline.
Centralized device for recovering oil and gas of the present utility model maintains on the setting value line pressure by the rotating speed of automatically regulating vacuum pump, satisfies the purpose that oil gas reclaims gas liquid ratio and saves the energy thereby reach; Described control setup comprises fueling signal Acquisition Circuit I, line pressure sample circuit II, variable-frequency governor III, 485 interface circuit IV, electric motor starting control circuit V, micro controller system VI, power circuit VII, drives output circuit VIII, keyboard-display circuit IX; Wherein the mouth of fueling signal Acquisition Circuit I connects the respective input of micro controller system VI, the mouth of line pressure sample circuit II connects the input end of micro controller system VI, the input end of 485 interface circuit IV connects the mouth of micro controller system VI, the input end of the output termination variable-frequency governor III of 485 interface circuit IV, the input end of the output termination electric motor starting control circuit V of variable-frequency governor III, the input end that drives output circuit VIII connects the mouth of micro controller system VI, drive the input end of the output termination electric motor starting control circuit V of output circuit VIII, the mouth of keyboard-display circuit IX connects the input end of micro controller system VI.
Fueling signal Acquisition Circuit I of the present utility model adopts current sensor, does not have direct cable connection with fuel charger, not be used in the slicing ground, dangerous area of petrol service station, and the ditching cabling reduces oil gas and reclaims difficulty of construction, saving in material cost; The power lead of fuel charger Oil pump electrical machinery only need penetrate in the hole of current sensor, there is not direct electrical connection with fuel charger, during oiling, the power lead of Oil pump electrical machinery has electric current to pass through, current sensor can be sensed the existence of electric current, and induced signal uploaded fueling signal Acquisition Circuit I, I uploads micro controller system VI to induced signal by the fueling signal Acquisition Circuit, micro controller system VI judges the back and sends out startup command to driving output circuit VIII, by driving output circuit VIII drive motor start-up control circuit V, turn round by electric motor starting control circuit V starter motor again.The model of micro controller system VI is PIC18F6622, and the model of the integrated operational amplifier of line pressure sample circuit II is LM258.
Pressure sensor in the utility model is installed on the air inlet pipe of centralized device for recovering oil and gas, the air inlet pipe of centralized device for recovering oil and gas reclaims total muffler with petrol service station oil gas and links to each other, pressure sensor reflects the pressure of pipeline in real time, pressure sensor is uploaded to the pressure of pipeline the pressure signal Acquisition Circuit of control system, give micro controller system pressure signal by the pressure signal Acquisition Circuit, micro controller system compares pressure signal and the predefined value uploaded, and analyze the amplitude variation tendency of the pressure signal upload, according to corresponding algorithm, the make adjustment order of rotating speed, by 485 interface circuits, be handed down to variable-frequency governor, variable-frequency governor changes the size of frequency, by the electric motor starting control circuit, gives motor variable-frequency power sources.Rotating speed of motor can change with the change of the frequency of power supply, the change of motor speed can drive the vacuum pump change in rotational speed, keep the steady state value of oil gas recovery channel pressure by the vacuum pump change in rotational speed, the pressure in the flow velocity of oil gas recovery channel and the pipeline has definite corresponding relation.When more nozzle was opened oiling, the rotating speed of vacuum pump was just higher; When less nozzle was opened oiling, the rotating speed of vacuum pump was just lower; The pressure that could guarantee the oil gas recovery channel like this maintains on certain definite value, reclaims the gas liquid ratio requirement thereby satisfy oil gas, simultaneously, also reaches purpose of energy saving.
Description of drawings
Fig. 1 is a constructional drawing of the present utility model.
Among the figure: 1 is that frame, 2 is that vacuum pump, 3 is that motor, 4 is that pipeline, 5 is that pressure sensor, 6 control setups, 7 are cable.
Fig. 2 is a schematic block circuit diagram of the present utility model.
Fig. 3 is the schematic circuit diagram of micro controller system VI.
Fig. 4 is the schematic circuit diagram of keyboard-display circuit IX.
Fig. 5 is the schematic circuit diagram of line pressure sample circuit II.
Fig. 6 is the schematic circuit diagram of 485 interface circuit IV.
Fig. 7 is the schematic circuit diagram of fueling signal Acquisition Circuit I.
Fig. 8 is for driving the schematic circuit diagram of output circuit VIII.
The specific embodiment
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, centralized device for recovering oil and gas of the present utility model comprises pipeline that frame, rack-mounted vacuum pump, rack-mounted motor link to each other with vacuum pump, is installed in pressure sensor and control setup on the pipeline.
As Fig. 2---shown in Figure 8, centralized device for recovering oil and gas of the present utility model maintains on the steady state value line pressure by the rotating speed of automatically regulating vacuum pump, satisfies the purpose that oil gas reclaims gas liquid ratio and saves the energy thereby reach; Described control setup comprises fueling signal Acquisition Circuit I, line pressure sample circuit II, variable-frequency governor III, 485 interface circuit IV, electric motor starting control circuit V, micro controller system VI, power circuit VII, drives output circuit VIII; Wherein the mouth of fueling signal Acquisition Circuit I connects the respective input of micro controller system VI, the mouth of line pressure sample circuit II connects the input end of micro controller system VI, the input end of 485 interface circuit IV connects the mouth of micro controller system VI, the input end of the output termination variable-frequency governor III of 485 interface circuit IV, the input end of the output termination electric motor starting control circuit V of variable-frequency governor III, the input end that drives output circuit VIII connects the mouth of micro controller system VI, drive the input end of the output termination electric motor starting control circuit V of output circuit VIII, the mouth of keyboard-display circuit IX connects the input end of micro controller system VI.
Fueling signal Acquisition Circuit I of the present utility model adopts current sensor, does not have direct cable connection with fuel charger, not be used in the slicing ground, dangerous area of petrol service station, and the ditching cabling reduces oil gas and reclaims difficulty of construction, saving in material cost; The power lead of fuel charger Oil pump electrical machinery only need penetrate in the hole of current sensor, there is not direct electrical connection with fuel charger, during oiling, the power lead of Oil pump electrical machinery has electric current to pass through, current sensor can be sensed the existence of electric current, and induced signal uploaded fueling signal Acquisition Circuit I, I uploads micro controller system VI to induced signal by the fueling signal Acquisition Circuit, micro controller system VI judges the back and sends out startup command to driving output circuit VIII, by driving output circuit VIII drive motor start-up control circuit V, turn round by electric motor starting control circuit V starter motor again.The model of micro controller system VI is PIC18F6622, and the model of the integrated operational amplifier of line pressure sample circuit II is LM258.
Physical circuit principle of work of the present utility model is as follows:
That the micro controller system VI that adopts in the control setup of the present utility model is the high-grade micro controller system PIC18F6622 that U.S. Microchip produces, and it has 256K FALSH, 4K RAM, 1KE
2PROM, inner 3 16 TIMER, 3 PWM, 2 enhancement mode UART and SPI, 12 10 performance-oriented AD, its system clock is chosen as 11.0592MHz.This circuit adopts 3 * 2 keyboards and 6 highlighted LED charactrons as man machine interface, and input working parameter is preserved working parameter, shows real time data; Automatically gather external start signal with the high-speed light lotus root, gather the pressure of vacuum pump by inner AD, SCM program according to the working parameter of this pressure and input adopt respective algorithms calculate vacuum pump operating frequency, then by RS485 bus and variable-frequency governor communication, MODBUS agreement by standard is passed to variable-frequency governor to data, the startup of control variable-frequency governor allows the variable-frequency governor automatic frequency adjustment.
Claims (3)
1, a kind of centralized device for recovering oil and gas is characterized in that: it comprises pipeline (4) that frame (1), rack-mounted vacuum pump (2), rack-mounted motor (3) link to each other with vacuum pump, is installed in pressure sensor (5) and control setup (6) on the pipeline.
2, centralized device for recovering oil and gas according to claim 1, it is characterized in that: described control setup comprises fueling signal Acquisition Circuit I, line pressure sample circuit II, variable-frequency governor III, 485 interface circuit IV, electric motor starting control circuit V, micro controller system VI, power circuit VII, drives output circuit VIII, keyboard-display circuit IX; Wherein the mouth of fueling signal Acquisition Circuit I connects the respective input of micro controller system VI, the mouth of line pressure sample circuit II connects the input end of micro controller system VI, the input end of 485 interface circuit IV connects the mouth of micro controller system VI, the input end of the output termination variable-frequency governor III of 485 interface circuit IV, the input end of the output termination electric motor starting control circuit V of variable-frequency governor III, the input end that drives output circuit VIII connects the mouth of micro controller system VI, drive the input end of the output termination electric motor starting control circuit V of output circuit VIII, the mouth of keyboard-display circuit IX connects the input end of micro controller system VI, and power circuit VII provides power supply for total system.
3, centralized device for recovering oil and gas according to claim 2 is characterized in that: fueling signal Acquisition Circuit I adopts current sensor; The model of micro controller system VI is PIC18F6622, and the model of the integrated operational amplifier of line pressure sample circuit II is LM258.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200885404U CN201351116Y (en) | 2009-02-17 | 2009-02-17 | Centralized oil and gas recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200885404U CN201351116Y (en) | 2009-02-17 | 2009-02-17 | Centralized oil and gas recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201351116Y true CN201351116Y (en) | 2009-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200885404U Expired - Lifetime CN201351116Y (en) | 2009-02-17 | 2009-02-17 | Centralized oil and gas recovery unit |
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| CN (1) | CN201351116Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278310A (en) * | 2011-07-14 | 2011-12-14 | 温州市欧弗斯机械有限公司 | Intelligently-regulated vacuum system |
| CN110857677A (en) * | 2018-08-24 | 2020-03-03 | 燃料自动化站有限责任公司 | Mobile dispensing station with on-board fluid storage tank |
| CN114524403A (en) * | 2022-02-18 | 2022-05-24 | 华能新疆能源开发有限公司新能源东疆分公司 | Electric oiling tool for reduction gearbox |
-
2009
- 2009-02-17 CN CNU2009200885404U patent/CN201351116Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278310A (en) * | 2011-07-14 | 2011-12-14 | 温州市欧弗斯机械有限公司 | Intelligently-regulated vacuum system |
| CN110857677A (en) * | 2018-08-24 | 2020-03-03 | 燃料自动化站有限责任公司 | Mobile dispensing station with on-board fluid storage tank |
| CN114524403A (en) * | 2022-02-18 | 2022-05-24 | 华能新疆能源开发有限公司新能源东疆分公司 | Electric oiling tool for reduction gearbox |
| CN114524403B (en) * | 2022-02-18 | 2024-01-23 | 华能新疆能源开发有限公司新能源东疆分公司 | Electric oiling tool for reduction gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091125 |