CN203998932U - Secondary oil gas reclaims on-line monitoring control apparatus - Google Patents
Secondary oil gas reclaims on-line monitoring control apparatus Download PDFInfo
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- CN203998932U CN203998932U CN201420397124.3U CN201420397124U CN203998932U CN 203998932 U CN203998932 U CN 203998932U CN 201420397124 U CN201420397124 U CN 201420397124U CN 203998932 U CN203998932 U CN 203998932U
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Abstract
The utility model relates to a kind of secondary oil gas and reclaims on-line monitoring control apparatus, mainly solves and in prior art, invests high, functional strong, the poor problem of system stability.The utility model is by adopting a kind of secondary oil gas to reclaim on-line monitoring control apparatus, wherein said device comprises at least one oil gas flow counter, at least one control cock, at least one pressure transformer, at least one data trap, at least one monitoring equipment and data transmission network, oil gas flow counter, control cock, pressure transformer is connected with data trap, data trap and data transmission network carry out communication transfer, the technical scheme that monitoring equipment and data transmission network carry out communication transfer has solved the problems referred to above preferably, can be used for secondary oil gas reclaims in on-line monitoring adjusting.
Description
Technical field
The utility model relates to a kind of secondary oil gas and reclaims on-line monitoring control apparatus.
Background technology
In recent years, the situation of China's atmospheric contamination is on the rise, in order effectively to control petrol service station organic gas to airborne release in daily production process, country put into effect GB20952 < < petrol service station atmosphere pollutants emission standards > > in 2007.According to this standard-required, the petrol service station of the most of completed region of the city of China has progressively carried out oil gas and has reclaimed transformation.For the implementation result that guarantees that secondary oil gas reclaims, the petrol service station of part developed area has been installed electronic type gas liquid ratio conditioning equipment and secondary oil gas is recovered in line monitoring system.
CN201310488264.1 relates to a kind of petrol service station secondary oil gas and is recovered in line monitoring system, mainly solves the problem large, cost is high, construction and installation are complicated that takes up room in prior art.The present invention is by adopting a kind of petrol service station secondary oil gas to be recovered in line monitoring system, comprise at least one gas flow counter, at least one pressure transformer, at least one data trap and at least one embedded monitoring machine, gas flow counter is serially connected in the return line of oil gas recovery nozzle, the return-air house steward that pressure transformer is connected on fuel charger goes up or is arranged on the freeing pipe of oil tank, data trap is arranged on every fuel charger inside, and it is indoor that embedded monitoring machine is arranged on petrol service station.
In the principle of work and power, electronic type gas liquid ratio conditioning equipment and secondary oil gas are recovered in line monitoring system more coincidence part, installs simultaneously and can increase the cost of investment that secondary oil gas reclaims, and causes the wasting of resources.
The utility model has solved this problem targetedly.
Utility model content
Technical problem to be solved in the utility model is in prior art, to invest high, functional not strong, the poor problem of system stability, provides a kind of new secondary oil gas to reclaim on-line monitoring control apparatus.This installs for secondary oil gas and reclaims on-line monitoring adjusting, has advantages of that investment is low, functional by force, system stability is good.
For addressing the above problem, the technical solution adopted in the utility model is as follows: a kind of secondary oil gas reclaims on-line monitoring control apparatus, it is characterized in that described device comprises at least one oil gas flow counter, at least one control cock, at least one pressure transformer, at least one data trap, at least one monitoring equipment and data transmission network, oil gas flow counter, control cock, pressure transformer are connected with data trap, and data trap and data transmission network carry out communication transfer; Described oil gas flow counter is serially connected in the return line of oil gas recovery nozzle, by described pressure transformer, be connected on the return-air house steward of the nearest fuel charger of oil tank or be arranged on the freeing pipe of oil tank, described data trap is arranged on fuel charger inside, and monitoring equipment and data transmission network carry out communication transfer.
In technique scheme, preferably, described pressure transformer is one, is installed on the return-air house steward of the nearest fuel charger inside of petrol storage tank.
In technique scheme, preferably, it is indoor that described monitoring equipment is arranged on petrol service station.
In technique scheme, preferably, data transmission network comprises wireless module.
In technique scheme, preferably, described data trap is connected with fuel charger oiling pulse signal-line.
In technique scheme, preferably, described control cock is installed between gas circuit copper pipe that gas-oil separation joint draws and oil gas recovery pump the position near oil gas recovery pump entrance.
The utility model, when practical application, considers that the inner installing space of fuel charger is limited and save cost of investment, can every two rifles be installed by a set of oil gas flow counter.Like this, when two rifles refuel simultaneously, using the ratio of the return-air total amount of two-way and oiling total amount as average gas liquid ratio.Micro-pressure transmitter each petrol service station is only installed one.The oil gas flow that the utility model is selected is counted high precision volume type gas flow counter, Roots type flowmeter.Pressure transformer adopts high precision integral type micro-pressure sensor, and measurement range is-5～+ 5kPa, normalized current output.Control cock is installed between gas circuit copper pipe that gas-oil separation joint draws and oil gas recovery pump near the position of oil gas recovery pump entrance, and control valve opening can accurately be controlled by the size of current of input coil.
Data trap of the present utility model is independent research, this collector has 4 tunnels oiling pulse input channels, 4 road gas flow pulse input channels, 2 road micro-pressure sensor input channels, 4 road control cock delivery channels, 4 road relay output end mouths, 1 road wireless data transceiving port and 1 tunnel 485 data transmit-receive ports, can compatible at most four rifle fuel chargers.As shown in Figure 2, the central controller of data trap is the ARM microprocessor of STM32F series to data trap structure, and gas flow impulse singla and the traffic pulse that refuels are directly inputted the counting unit of arm processor after level conversion and photoelectricity isolation.Micro-pressure transmitter is output as 4～20mA electric current, uses high precision standard resistance to be converted to input after voltage signal the A and D converter of arm processor to process.Acting as while finding system exception of relay output end mouth, is forced shutdown the power supply of this road binders rifle.The aperture mode of control cock is current signal, in order accurately to control aperture, adopts the mode of PWM (Pulse Width Modulation) to control.Arm processor generates the PWM ripple of particular duty cycle by built-in timer, after signal condition, input control valve is controlled its aperture.Because generally have the existence of a plurality of collectors in same petrol service station, so indicate its address with a toggle switch.Because a lot of petrol service stations are reserved communication cable for oil gas reclaims on-line monitoring control system when building, thus Data Acquisition Design two kinds of data transfer modes.For the petrol station that has pre-testing cable, 485 modes of employing are carried out data transmission.For the petrol station that there is no pre-testing cable, be the inconvenience of avoiding cable construction to bring, adopt wireless mode to carry out data transmission.The wireless module that the utility model is selected is based on up-to-date high-performance radio-frequency chip SI4432, and embeds high-speed microprocessor, and maximum rate reaches as high as the wireless module of 100kpbs, and working frequency range is 433MHz open frequency band.Collector deposit data is set in the built-in FLASH memory device of ARM microcontroller.Wireless module is connected by built-in serial ports with ARM microprocessor, can realize easily and reliably the transmitting-receiving of data.Because radio communication is communicated by letter and is semiduplex mode with 485, thus during normal communication using monitoring equipment as main frame, each collector is as slave, while only receiving the order of main frame, slave just can send data.Collector deposit data is set in the built-in FLASH memory device of ARM microcontroller.
The monitoring equipment that the utility model is selected is the industrial all-in-one based on Intel Atom series processors.Monitoring equipment prepackage Windows system, possesses touch-control interface, the .Net platform development of the upper computer of operation based on Microsoft.During normal work, monitoring equipment can periodically be inquired about the mode of operation of each collector, and data trap will return to current mode of operation and the data of storage inside.Monitoring equipment is received after data, is deposited in data bank, and realizes the functions such as further Drawing of Curve, data remote, Realtime Alerts.
The utility model is recovered in line monitoring system to electronic type gas liquid ratio control apparatus and oil gas and is optimized integration from hardware and function, forms to have concurrently to control and the oil gas recovery on-line monitoring control apparatus of regulatory function the cost of investment that can save petrol service station.At oil gas, reclaiming increase control and regulation function on on-Line Monitor Device basis only can increase a small amount of cost, has avoided original buying two covers to have the investment waste of repeat function system; Can promote the stability of control, reduce maintenance workload.Original electronic type gas liquid ratio conditioning equipment is the cost of reducing investment outlay, and only at timing signal, just can use gas flow counter, uses after a period of time, can inevitably occur that regulating error becomes large problem, product needed periodical maintenance; And device after integrating is equipped with gas flow counter, can effectively promote the stability that gas liquid ratio is controlled, avoided regular fine setting and demarcation, reduced the work capacity of product maintenance; Functional and ease for use that can improving product.Original oil gas is recovered in line monitoring system only can carry out Real-Time Monitoring to gas liquid ratio, just can only report to the police, and continuous alarm can cause forcing to stop once exceed standard, and affects the normal business of petrol service station; Increase after control and regulation function, once exceed standard, product can be adjusted gas liquid ratio by control and regulation valve opening makes it in normal range, so not only can effectively avoid the impact that operation brings on petrol service station because gas liquid ratio exceeds standard warning, and can ensure that gas liquid ratio is constantly in normal range, promote the efficiency that secondary oil gas reclaims, obtained good technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of device described in the utility model;
Fig. 2 is data trap structured flowchart.
Below by embodiment, the utility model is further elaborated, but is not limited only to the present embodiment.
The specific embodiment
[embodiment 1]
A kind of secondary oil gas reclaims on-line monitoring control apparatus, described apparatus structure as shown in Figure 1, comprise many oil gas flow counter, many control cocks, pressure transformer, many data traps, monitoring equipments and comprise the data transmission network of wireless module, oil gas flow counter, control cock, pressure transformer are connected with data trap, and data trap and data transmission network carry out communication transfer; Oil gas flow counter is serially connected in the return line of oil gas recovery nozzle, by pressure transformer, be connected on the return-air house steward of the nearest fuel charger of oil tank or be arranged on the freeing pipe of oil tank, data trap is arranged on fuel charger inside, and monitoring equipment and data transmission network carry out communication transfer.
The utility model in the specific implementation, is installed a data trap in the circuit box of every fuel charger inside in petrol service station.Gas flow counter is installed on the return-air copper pipe of fuel charger secondary oil gas recovery, before can being installed on vacuum pump or after pump, vertically installs.Control cock is installed between gas circuit copper pipe that gas-oil separation joint draws and oil gas recovery pump the position near oil gas recovery pump entrance.Pressure transformer is installed on the return-air house steward of the nearest fuel charger inside of petrol storage tank.Monitoring upper computer can be installed in petrol service station convenience store or switchgear building, has wired and wireless data communication mode.For the petrol station that has pre-testing cable, 485 modes of employing are carried out data transmission.For the petrol station that there is no pre-testing cable, be the inconvenience of avoiding cable construction to bring, adopt wireless mode to carry out data transmission.
The utility model, when normal work, calculates gas liquid ratio by the output signal of Real-time Collection gas flow counter and the oiling pulse output signals of fuel charger; By the Pressure Fluctuation Signal of Real-time Collection pressure transformer, come computing to obtain leakproofness and liquid resistance data; When system discovery oil gun gas liquid ratio exceeds the scope of national standard requirement, can drive control cock to change its aperture by PWM mode, until up to standard.In order to improve system control accuracy, collector is built-in multiple intelligent control algorithm.
The mode that monitoring equipment is inquired about by timing and data trap carry out communication, self-defining communications protocol that the two is built-in.At set intervals, monitoring equipment can send query statement to data trap, and data trap is received after query statement, to monitoring equipment return data bag, each data trap has different address bits, and monitoring equipment is distinguished different data traps by address bit.Monitoring equipment is received after data, is deposited in data bank, and realizes the functions such as further Drawing of Curve, data remote, Realtime Alerts.
Claims (6)
1. a secondary oil gas reclaims on-line monitoring control apparatus, it is characterized in that described device comprises at least one oil gas flow counter, at least one control cock, at least one pressure transformer, at least one data trap, at least one monitoring equipment and data transmission network, oil gas flow counter, control cock, pressure transformer are connected with data trap, and data trap and data transmission network carry out communication transfer; Described oil gas flow counter is serially connected in the return line of oil gas recovery nozzle, by described pressure transformer, be connected on the return-air house steward of the nearest fuel charger of oil tank or be arranged on the freeing pipe of oil tank, described data trap is arranged on fuel charger inside, and monitoring equipment and data transmission network carry out communication transfer.
2. secondary oil gas reclaims on-line monitoring control apparatus according to claim 1, it is characterized in that described pressure transformer is one, is installed on the return-air house steward of the nearest fuel charger inside of petrol storage tank.
3. secondary oil gas reclaims on-line monitoring control apparatus according to claim 1, it is characterized in that described monitoring equipment is arranged on petrol service station indoor.
4. secondary oil gas reclaims on-line monitoring control apparatus according to claim 1, it is characterized in that data transmission network comprises wireless module.
5. secondary oil gas reclaims on-line monitoring control apparatus according to claim 1, it is characterized in that described data trap and fuel charger oiling pulse signal-line are connected.
6. secondary oil gas reclaims on-line monitoring control apparatus according to claim 1, it is characterized in that described control cock is installed between gas circuit copper pipe that gas-oil separation joint draws and oil gas recovery pump the position near oil gas recovery pump entrance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420397124.3U CN203998932U (en) | 2014-07-17 | 2014-07-17 | Secondary oil gas reclaims on-line monitoring control apparatus |
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| CN201420397124.3U CN203998932U (en) | 2014-07-17 | 2014-07-17 | Secondary oil gas reclaims on-line monitoring control apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241508A (en) * | 2015-10-22 | 2016-01-13 | 中国石油化工股份有限公司 | Refueling machine performance test system |
| CN105480927A (en) * | 2015-12-17 | 2016-04-13 | 合肥创博信息科技有限公司 | Automatic monitoring device for oil gas recovery |
| CN109132992A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of electronic type gas liquid ratio adjusting dry standardizing device and method |
| CN110467145A (en) * | 2019-06-28 | 2019-11-19 | 北京远东仪表有限公司 | A kind of petroleum vapor recovery on-line monitoring system and monitoring method |
-
2014
- 2014-07-17 CN CN201420397124.3U patent/CN203998932U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241508A (en) * | 2015-10-22 | 2016-01-13 | 中国石油化工股份有限公司 | Refueling machine performance test system |
| CN105241508B (en) * | 2015-10-22 | 2017-12-01 | 中国石油化工股份有限公司 | A kind of tanker performance test system |
| CN105480927A (en) * | 2015-12-17 | 2016-04-13 | 合肥创博信息科技有限公司 | Automatic monitoring device for oil gas recovery |
| CN109132992A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of electronic type gas liquid ratio adjusting dry standardizing device and method |
| CN110467145A (en) * | 2019-06-28 | 2019-11-19 | 北京远东仪表有限公司 | A kind of petroleum vapor recovery on-line monitoring system and monitoring method |
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Effective date of registration: 20221116 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec Safety Engineering Research Institute Co.,Ltd. Address before: 100728 Chaoyang District, Beijing 22 Chaoyang men North Street, Chaoyang District, Beijing Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC Research Institute OF SAFETY ENGINEERING |