CN103601146B - Gas station's secondary oil gas is recovered in line monitoring system - Google Patents
Gas station's secondary oil gas is recovered in line monitoring system Download PDFInfo
- Publication number
- CN103601146B CN103601146B CN201310488264.1A CN201310488264A CN103601146B CN 103601146 B CN103601146 B CN 103601146B CN 201310488264 A CN201310488264 A CN 201310488264A CN 103601146 B CN103601146 B CN 103601146B
- Authority
- CN
- China
- Prior art keywords
- gas
- acquisition unit
- data acquisition
- monitoring machine
- embedded monitoring
- 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
Abstract
The present invention relates to a kind of gas station secondary oil gas and be recovered in line monitoring system, mainly solve the problem big, that cost is high, construction and installation are complicated that takes up room in prior art.The present invention is recovered in line monitoring system by adopting a kind of gas station secondary oil gas, including at least one gas flowmeter, at least one pressure transmitter, at least one data acquisition unit and at least one embedded monitoring machine, gas flowmeter is serially connected in the return line of petroleum vapor recovery nozzle, pressure transmitter is connected on the return-air house steward of fuel charger and above or is arranged on the exhaustor of oil tank, data acquisition unit is arranged on inside every fuel charger, the technical scheme that embedded monitoring machine is arranged on gas station indoor solves the problems referred to above preferably, can be used for gas station's secondary oil gas to reclaim in on-line monitoring.
Description
Technical field
The present invention relates to a kind of gas station secondary oil gas and be recovered in line monitoring system.
Technical background
Along with improving constantly of China's level of economic development, environmental issue increasingly receives the concern of government and general public.In order to reduce and control gas station's discharge oil gas pollution to atmospheric environment, State Environmental Protection Administration issues and implements GB20952-2007 " gas station's atmosphere pollutants emission standards " for 2007, require that various places gas station must carry out secondary oil gas before 2015 and reclaim transformation, and sell the amount of gasoline gas station more than 8000 tons year and ozone concentration exceeds standard and sells the amount of gasoline gas station more than 5000 tons city year and should be arranged on line monitoring system.
Gas station's secondary oil gas reclaims and refers to the oil gas collection entrance sunken tankers that will produce when adding gasoline to automobile, it is exactly specifically, nozzle and sebific duct increase return-air duct, do auxiliary power with oil-gas recovery vacuum pump, the oil gas produced in automotive oil tank when refueling is collected in buried tank with 1.0～1.2 times of amounts adding oil volume.Guarantee that the Integral sealing of gas recovery system for oil and the ratio (gas liquid ratio) of return-air amount and volume read-out are the keys of secondary oil gas reclaiming system in 1.0～1.2 scopes.
CN201310073951.7 relates to a kind of oil-gas recovery method.The method includes: the mixing gas containing oil gas gathered in advance is cooled to subzero 26～subzero 35 degrees Celsius, obtains first liquid oil product；The first liquid oil product obtained is reclaimed.Oil-gas recovery method provided by the invention, utilizes the method for cooling condensation directly to separate from the mixing gas containing oil gas and obtains liquid oil and reclaimed by the liquid oil obtained.The method employing condensation at low temperature, certainty energy consumption is high, it is necessary to relevant cryogenic equipment, and take up room big, cost height, construction and installation complexity.
GB GB20952-2007 specifies, on-line monitoring system should be able to detect gas liquid ratio and gas recovery system for oil pressure, possesses and at least stores 1 annual data, long-distance transmissions and the warning function that exceeds standard.Current commercial petroleum vapor recovery on-Line Monitor Device is all external product, wherein has the Vaporix etc. of the ISD of INCONVRM, Veeder-Root of U.S. Franklin, Germany Fafnir, domestic still blank in this aspect.External product common problem is selling at exorbitant prices, and gas station has promoted the use of bigger difficulty at home.It addition, these products are required for laying too much cable between gas station's vestibule to indoor, for the gas station of not reserved enough cables, being arranged on line monitoring system needs construction of additionally breaking ground, thus increasing complexity and the cost of installation.
The present invention solves this problem targetedly.
Summary of the invention
The technical problem to be solved is the problem big, that cost is high, construction and installation are complicated that takes up room in prior art, it is provided that a kind of new gas station's secondary oil gas is recovered in line monitoring system.This system reclaims in on-line monitoring for gas station secondary oil gas, have take up room little, cost is low, the simple advantage of construction and installation.
For solving the problems referred to above, the technical solution used in the present invention is as follows: a kind of gas station secondary oil gas is recovered in line monitoring system, including at least one gas flowmeter, at least one pressure transmitter, at least one data acquisition unit and at least one embedded monitoring machine, gas flowmeter is serially connected in the return line of petroleum vapor recovery nozzle, pressure transmitter is connected on the return-air house steward of fuel charger and above or is arranged on the exhaustor of oil tank, data acquisition unit is arranged on inside every fuel charger, and embedded monitoring machine is arranged on indoor, gas station；Wherein: data acquisition unit is with ARM microcontroller for core, 1～4 road gas flowmeter input port, 1～4 tunnel oiling pulse input end mouth are connected with CPLD (CPLD) by light-coupled isolation, level switch module, and CPLD is connected with ARM microcontroller；1～2 tunnel analog quantity current input terminal mouth is connected to analog-digital converter by operational amplifier, and analog-digital converter is connected with ARM microcontroller；ARM microcontroller is connected with relay by light-coupled isolation, and relay and 1～4 way switch amount output port connect；ARM microcontroller is connected with RS485 transceiver, and RS485 transceiver is connected with RS485 COM1；ARM microcontroller picks out RS232 COM1, is connected with wireless communication module；Address toggle switch and Electrically Erasable Read Only Memory E2PROM are connected with ARM microcontroller；Embedded monitoring machine is equipped with embedded OS, color touch screen, mini-printer, alarm lamp, wireless communication module, wherein mini-printer is connected with the RS232 COM1 of embedded monitoring machine, alarm lamp is connected with the output switch parameter port of embedded monitoring machine, wireless communication module is connected with the RS232 COM1 of embedded monitoring machine, and embedded monitoring machine also includes at least 1 RS485 COM1 and at least 1 network interface.
In technique scheme, preferably, the in house software that described data acquisition unit is equipped with possesses following function: 1) data acquisition unit constantly gathers the oiling pulse signal of fuel charger, judge whether to start to refuel, once refueling then collection simultaneously, calculating oiling flow and oil gas flow, calculate after oiling terminates and obtain gas liquid ratio value, these gas liquid ratio data are sent to embedded monitoring machine and preserve；2) data acquisition unit periodically gathers the current signal of pressure transmitter, calculates the force value obtaining gas recovery system for oil, this pressure data is sent to embedded monitoring machine and preserves；3) analyze gas liquid ratio data, it may be judged whether abnormal, and turned off the electromagnetic valve that abnormal nozzle occurs by output switch parameter port output alarm signal, forbid continuing to refuel.
In technique scheme, it is preferable that described gas flow is calculated as Roots type flowmeter.
In technique scheme, preferably, described gas flowmeter is connected to the gas flowmeter input port of data acquisition unit, the oiling pulse signal of fuel charger is connected to the oiling pulse input end mouth of data acquisition unit, described pressure transmitter is connected to the analog quantity current input terminal mouth of data acquisition unit, the output switch parameter port of data acquisition unit is connected to the electromagnetic valve of nozzle by relay, the RS485 COM1 that the RS485 COM1 of data acquisition unit is connected to embedded monitoring machine by Shielded Twisted Pair communicates, or data acquisition unit uses the wireless communication module that the wireless communication module connected is connected with embedded monitoring machine to communicate.
In technique scheme, it is preferable that gas liquid ratio data and the pressure data that data acquisition unit collects constantly inquired about by described embedded monitoring machine, carry out storing, showing and alarm decision, according to the pressure data collected, it is possible to judge the seal of gas recovery system for oil.When finding gas recovery system for oil exception, embedded monitoring machine sends alarm signal and reminds gas station operator to take corresponding measure.Can be inquired about by embedded monitoring machine, process gas liquid ratio data and oil-filling data, and can be checked for supervisory and management department by network data transmission interface..
The present invention adopts the data acquisition unit being specifically designed to fuel charger on-line monitoring, gather obtain gas liquid ratio data and pressure data from gas flowmeter, pressure transmitter, transfer data to embedded monitoring machine carries out to store by a communications cable or by communication, analyze, report to the police, achieve the function of Standard, have take up room little, cost is low, the convenient advantage of construction and installation, achieves good technique effect.
Accompanying drawing explanation
Tu1Shi gas station secondary oil gas is recovered in the structured flowchart of line monitoring system；
Fig. 2 is data acquisition unit circuit structure block diagram；
Tu3Shi gas station secondary oil gas is recovered in the connection diagram of line monitoring system；
Fig. 4 is the software workflow figure of data acquisition unit.
The invention will be further elaborated by the examples below, but is not limited only to the present embodiment.
Detailed description of the invention
[embodiment 1]
As it is shown in figure 1, gas station's secondary oil gas is recovered in line monitoring system, including multiple stage gas flowmeter, pressure transmitter, multiple stage data acquisition unit and an embedded monitoring machine.Gas flow of the present invention is calculated as Roots type flowmeter.
Gas flowmeter is serially connected in the return line of petroleum vapor recovery nozzle, and every nozzle installs 1 gas flowmeter, or every two nozzles share 1 gas flowmeter；Pressure transmitter is upper or be arranged on the exhaustor of oil tank by being connected on return-air house steward from the nearest fuel charger of oil tank by threeway, and 1 pressure transmitter is installed by whole gas station；Data acquisition unit is arranged on inside fuel charger, and 1 data acquisition unit installed by every fuel charger, needs 1 data acquisition unit of extra many installations more than the fuel charger of 4 gasoline nozzles；Embedded monitoring machine is arranged on indoor, gas station, and 1 embedded monitoring machine is installed by whole gas station.
The circuit structure of data acquisition unit is as shown in Figure 2, data acquisition unit is with ARM microcontroller for core, gas flowmeter input port, the pulse input end mouth that refuels are connected with complex programmable logic device (CPLD) by light-coupled isolation, level switch module, CPLD carries out step-by-step counting, and count value is sent in ARM microcontroller by the control instruction receiving ARM microcontroller；Current input terminal mouth is connected to analog-digital converter by operational amplifier, and ARM microcontroller reads the digital quantity value after analog-digital converter conversion；On-off model is exported relay by light-coupled isolation by ARM microcontroller, and relay is connected with output switch parameter port；ARM microcontroller is connected with RS485 transceiver and carries out data communication, and RS485 transceiver is connected with RS485 COM1；ARM microcontroller picks out RS232 COM1, is connected with wireless communication module；Address toggle switch and Electrically Erasable Read Only Memory E2PROM are connected with ARM microcontroller, toggle switch provides the address of this data acquisition unit, E2PROM provides the provisional storage of gas liquid ratio data and pressure data, in case the loss of data in data acquisition unit.
Gas station's secondary oil gas is recovered in the connection of line monitoring system as shown in Figure 3, data acquisition unit includes 4 tunnels altogether and refuels pulse input end mouth, 4 road gas flowmeter input ports, 4 way switch amount output ports, 2 tunnel analog quantity current input terminal mouths and RS485 COM1 and address toggle switch.Embedded monitoring machine is equipped with embedded OS, color touch screen, mini-printer, alarm lamp, and includes at least 1 output switch parameter port, 2 RS232 COM1s, 1 network interface, 1 RS485 COM1.Gas flowmeter is connected to the gas flowmeter input port of data acquisition unit, and each data acquisition unit can connect at most 4 gas flowmeters；The oiling pulse signal of fuel charger is connected to the oiling pulse input end mouth of data acquisition unit, and each data acquisition unit can connect at most 4 tunnels oiling pulse signals；Pressure transmitter is connected to the analog quantity current input terminal mouth of data acquisition unit；The output switch parameter port of data acquisition unit is connected to the electromagnetic valve of nozzle by relay, and each data acquisition unit can connect at most the electromagnetic valve of 4 nozzles.Alarm lamp is connected to the output switch parameter port of embedded monitoring machine, and mini-printer is connected to a RS232 COM1 of embedded monitoring machine.
In the gas station having enough communications cables, the RS485 COM1 of embedded monitoring machine connects Shielded Twisted Pair as communication bus, the RS485 COM1 of all data acquisition units all mounts on the bus, now has only to lay a Shielded Twisted Pair between gas station's vestibule and indoor.In the gas station not having enough communications cables, adopting the mode of radio communication, the 2nd RS232 COM1 of embedded monitoring machine is connected with wireless communication module, and this wireless communication module communicates with the wireless communication module on data acquisition unit.The address toggle switch of each data acquisition unit is set as respective address value, and monitoring equipment distinguishes each data acquisition unit according to address.
The in house software that data acquisition unit is equipped with possesses following function: 1) data acquisition unit constantly gathers the oiling pulse signal of fuel charger, judge whether to start to refuel, once refueling then collection simultaneously, calculating oiling flow and oil gas flow, calculate after oiling terminates and obtain gas liquid ratio value, these gas liquid ratio data are sent to embedded monitoring machine and preserve；2) data acquisition unit periodically gathers the current signal of pressure transmitter, calculates the force value obtaining gas recovery system for oil, this pressure data is sent to embedded monitoring machine and preserves；3) analyze gas liquid ratio data, it may be judged whether abnormal, and turned off the electromagnetic valve that abnormal nozzle occurs by output switch parameter port output alarm signal, forbid continuing to refuel.Fig. 4 illustrates the software workflow figure of data acquisition unit.
Gas liquid ratio data and the pressure data that data acquisition unit collects constantly inquired about by embedded monitoring machine, carries out storing, showing and alarm decision, according to the pressure data collected, it is possible to judge the seal of gas recovery system for oil.When finding gas recovery system for oil exception, embedded monitoring machine sends alarm signal and reminds gas station operator to take corresponding measure.Can be inquired about by embedded monitoring machine, process gas liquid ratio data and oil-filling data, and can be checked for supervisory and management department by network data transmission interface.
Gas station's secondary oil gas of the present invention is recovered in line monitoring system and achieves the function of Standard, have simultaneously take up room little, cost is low, the convenient advantage of construction and installation.
Claims (2)
1. gas station's secondary oil gas is recovered in line monitoring system, including at least one gas flowmeter, at least one pressure transmitter, at least one data acquisition unit and at least one embedded monitoring machine, gas flowmeter is serially connected in the return line of petroleum vapor recovery nozzle, pressure transmitter is connected on the return-air house steward of fuel charger and above or is arranged on the exhaustor of oil tank, data acquisition unit is arranged on inside every fuel charger, and embedded monitoring machine is arranged on indoor, gas station；Wherein:
Data acquisition unit is with ARM microcontroller for core, 1～4 road gas flowmeter input port, 1～4 tunnel oiling pulse input end mouth are connected with CPLD by light-coupled isolation, level switch module, and CPLD is connected with ARM microcontroller；1～2 tunnel analog quantity current input terminal mouth is connected to analog-digital converter by operational amplifier, and analog-digital converter is connected with ARM microcontroller；ARM microcontroller is connected with relay by light-coupled isolation, and relay and 1～4 way switch amount output port connect；ARM microcontroller is connected with RS485 transceiver, and RS485 transceiver is connected with RS485 COM1；ARM microcontroller picks out RS232 COM1, is connected with wireless communication module；Address toggle switch and Electrically Erasable Read Only Memory E2PROM are connected with ARM microcontroller；
Embedded monitoring machine is equipped with embedded OS, color touch screen, mini-printer, alarm lamp, wireless communication module, wherein mini-printer is connected with the RS232 COM1 of embedded monitoring machine, alarm lamp is connected with the output switch parameter port of embedded monitoring machine, wireless communication module is connected with the RS232 COM1 of embedded monitoring machine, and embedded monitoring machine also includes at least 1 RS485 COM1 and at least 1 network interface；
The in house software that described data acquisition unit is equipped with possesses following function: 1) data acquisition unit constantly gathers the oiling pulse signal of fuel charger, judge whether to start to refuel, once refueling then collection simultaneously, calculating oiling flow and oil gas flow, calculate after oiling terminates and obtain gas liquid ratio value, these gas liquid ratio data are sent to embedded monitoring machine and preserve；2) data acquisition unit periodically gathers the current signal of pressure transmitter, calculates the force value obtaining gas recovery system for oil, this pressure data is sent to embedded monitoring machine and preserves；3) analyze gas liquid ratio data, it may be judged whether abnormal, and turned off the electromagnetic valve that abnormal nozzle occurs by output switch parameter port output alarm signal, forbid continuing to refuel；
Described gas flowmeter is connected to the gas flowmeter input port of data acquisition unit, the oiling pulse signal of fuel charger is connected to the oiling pulse input end mouth of data acquisition unit, described pressure transmitter is connected to the analog quantity current input terminal mouth of data acquisition unit, the output switch parameter port of data acquisition unit is connected to the electromagnetic valve of nozzle by relay, the RS485 COM1 that the RS485 COM1 of data acquisition unit is connected to embedded monitoring machine by Shielded Twisted Pair communicates, or data acquisition unit uses the wireless communication module that the wireless communication module connected is connected with embedded monitoring machine to communicate；
Gas liquid ratio data and the pressure data that data acquisition unit collects constantly inquired about by described embedded monitoring machine, carry out storing, showing and alarm decision, according to the pressure data collected, can interpolate that the seal of gas recovery system for oil, when finding gas recovery system for oil exception, embedded monitoring machine sends alarm signal and reminds gas station operator to take corresponding measure, can be inquired about by embedded monitoring machine, process gas liquid ratio data and oil-filling data, and can be checked for supervisory and management department by network data transmission interface.
2. gas station's secondary oil gas is recovered in line monitoring system according to claim 1, it is characterised in that described gas flow is calculated as Roots type flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488264.1A CN103601146B (en) | 2013-10-17 | 2013-10-17 | Gas station's secondary oil gas is recovered in line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488264.1A CN103601146B (en) | 2013-10-17 | 2013-10-17 | Gas station's secondary oil gas is recovered in line monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103601146A CN103601146A (en) | 2014-02-26 |
| CN103601146B true CN103601146B (en) | 2016-07-27 |
Family
ID=50119436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310488264.1A Active CN103601146B (en) | 2013-10-17 | 2013-10-17 | Gas station's secondary oil gas is recovered in line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103601146B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198133A (en) * | 2014-07-30 | 2014-12-10 | 广东工业大学 | Detection method for oil and gas recovery system of oil tank truck |
| CN104671176A (en) * | 2015-02-11 | 2015-06-03 | 中国石油化工股份有限公司 | On-line monitoring device for leakage of buried tank field of gas station |
| CN105084288B (en) * | 2015-08-13 | 2017-08-29 | 中国石油化工股份有限公司青岛安全工程研究院 | Gas station oil gas reclaims seal automatic monitoring method |
| CN105060232B (en) * | 2015-08-13 | 2018-05-08 | 中国石油化工股份有限公司 | Oil depot petroleum vapor recovery integrated monitoring |
| CN107082404A (en) * | 2017-05-12 | 2017-08-22 | 海湾环境科技（北京）股份有限公司 | Oil gas monitoring method and oil gas monitoring system |
| CN107697879B (en) * | 2017-09-27 | 2024-01-26 | 北京恒合信业技术股份有限公司 | Oil gas recovery on-line monitoring system of filling station |
| CN108383073A (en) * | 2018-03-19 | 2018-08-10 | 广东壹嘉电气科技有限公司 | A kind of Oil Monitoring System |
| CN114955973B (en) * | 2022-04-06 | 2024-04-19 | 广东品物信息技术有限公司 | Centralized oil gas recovery on-line monitoring method and system for gas station |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201458719U (en) * | 2009-04-29 | 2010-05-12 | 浙江长进机电有限公司 | Oil and gas recovery device of service station |
| CN202089758U (en) * | 2011-03-03 | 2011-12-28 | 中机生产力促进中心 | Gas station second-stage closed-loop type oil gas recycling system |
| CN202246026U (en) * | 2011-07-11 | 2012-05-30 | 中国石油化工股份有限公司 | Refueling and oil gas recovery system for gas station |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004224939A (en) * | 2003-01-24 | 2004-08-12 | Ishikawajima Harima Heavy Ind Co Ltd | Asphalt-separating facility |
| CN101691199B (en) * | 2009-11-03 | 2012-12-19 | 中国石油化工股份有限公司 | On-line monitoring system for oil gas recovery of gas station |
-
2013
- 2013-10-17 CN CN201310488264.1A patent/CN103601146B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201458719U (en) * | 2009-04-29 | 2010-05-12 | 浙江长进机电有限公司 | Oil and gas recovery device of service station |
| CN202089758U (en) * | 2011-03-03 | 2011-12-28 | 中机生产力促进中心 | Gas station second-stage closed-loop type oil gas recycling system |
| CN202246026U (en) * | 2011-07-11 | 2012-05-30 | 中国石油化工股份有限公司 | Refueling and oil gas recovery system for gas station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103601146A (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103601146B (en) | Gas station's secondary oil gas is recovered in line monitoring system | |
| CN103552970B (en) | The removable fast oiling system of a kind of Internet of things type | |
| CN203545664U (en) | Internet of things type movable fast fuel filling system | |
| CN206430867U (en) | A kind of gas station's seepage safety monitoring assembly | |
| CN102841293B (en) | Fault positioning system for 10kV power distribution network circuit | |
| CN103308830B (en) | Power cable partial discharge monitoring system | |
| CN209778292U (en) | High-sensitivity oil gas recovery on-line monitoring system | |
| CN207851142U (en) | A kind of acquisition of power information is long-range and local communication device | |
| CN101452598A (en) | Filling station monitoring system | |
| CN203813816U (en) | Architecture for remotely acquiring harbor mechanical operation parameters | |
| CN110875958A (en) | Intelligent control system for oil product transportation | |
| CN104456082A (en) | Digital crude oil transporting and metering integrated device of oil field united station and operation process thereof | |
| CN203275579U (en) | On-line monitoring system of power cable partial discharge | |
| CN105060232A (en) | Method for comprehensively monitoring recovery of oil gas in oil depot | |
| CN202141778U (en) | Line fault positioner used for 10kV power distribution network | |
| CN205537770U (en) | Underground piping monitor terminal | |
| CN203275578U (en) | Power cable partial discharge on-line monitoring system which is convenient to connect | |
| CN204536838U (en) | The remote failure supervisory system of fire engine water-pump | |
| CN209068192U (en) | Leak detection systems | |
| CN209607127U (en) | A kind of flowmeter wireless remote Transmission system for coal bed gas pipeline | |
| CN203159200U (en) | Automobile oil tank truck bottom filling sledge-type refueling device | |
| CN210348777U (en) | Wireless acquisition system for vehicle oil consumption | |
| CN209818046U (en) | Protection circuit of drilling machine hydraulic control system | |
| CN204442010U (en) | The control system in parallel operation power station | |
| CN204271718U (en) | Based on the electric automobile intelligence electricity applying system of Internet of Things |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160627 Address after: Three Shandong Province, Qingdao city Yanan road 266071 No. 218 Applicant after: SINOPEC Research Institute OF SAFETY ENGINEERING Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant before: CHINA PETROLEUM & CHEMICAL Corp. Applicant before: SINOPEC Research Institute OF SAFETY ENGINEERING |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221118 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: No.218, Yan'an Third Road, Shinan District, Qingdao, Shandong 266071 Patentee before: SINOPEC Research Institute OF SAFETY ENGINEERING Patentee before: CHINA PETROLEUM & CHEMICAL Corp. |