CN202791349U - Oil gas recovery safety control system - Google Patents
Oil gas recovery safety control system Download PDFInfo
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- CN202791349U CN202791349U CN 201220411805 CN201220411805U CN202791349U CN 202791349 U CN202791349 U CN 202791349U CN 201220411805 CN201220411805 CN 201220411805 CN 201220411805 U CN201220411805 U CN 201220411805U CN 202791349 U CN202791349 U CN 202791349U
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Abstract
The utility model relates to an oil gas recovery safety control system, which comprises a controller, an oil gas inlet pipeline, a gas-liquid separator, a liquid level monitoring device, a pressure monitoring device, a temperature monitoring device and an explosion suppression device, wherein the gas-liquid separator is arranged on the oil gas inlet pipeline; the liquid level monitoring device, the pressure monitoring device, the temperature monitoring device and the explosion suppression device are connected with the controller respectively and are arranged on an oil gas delivery pipeline from an oil gas inlet end from front to back in sequence; a liquid level sensor is arranged in the liquid level monitoring device; a pressure sensor is arranged in the pressure monitoring device; a temperature sensor is arranged in the temperature monitoring device; and an explosion suppressor is arranged in the explosion suppression device. According to the oil gas recovery safety control system, monitoring is performed, an alarm is given timely and a control measure is taken respectively aiming at risks such as explosion, oil spill, overpressure and high temperature which easily occur in the oil gas recovery system, various safety accidents are effectively avoided, and further, the safety of equipment facilities of oil gas recovery and related oil product delivery and transportation ships, loading wharfs and the like is fully guaranteed.
Description
Technical field
The utility model relates to a kind of safety control system, relates in particular to a kind of oil gas and reclaims safety control system.
Background technique
At present, at crude oil, in the exploitation of product oil and the loading transportation process, substantially all produce with oil gas, the loss of these oil gas or burning mainly contain the impact of two aspects, cause on the one hand a large amount of light oil energy wastes, cause on the other hand environmental pollution, especially atmospheric pollution is had a strong impact on the healthy of correlated crowd, therefore, for avoiding energy waste and environmental pollution, the place that a lot of oil gas produce is provided with gas recovery system for oil, still, because the source of oil gas is different with mode of movement, the temperature that causes oil gas, pressure is different, thereby causes high temperature, the security incidents such as blast that high pressure and oil spilling cause occur.
Therefore, need that research and develop out can be to the technology of carrying out safety control in these oil gas callback course badly, reclaim and the safety of be correlated with oil product conveying and the installations and facilities such as ships that transport, loader wharf with effective guarantee oil gas.
In the prior art, patent of invention 201110031779.X discloses a kind of novel gas station oil gas recovery control system, comprises flow measurement impulser, controller, recovery motor, reclaims oil pump, gas flow regulating valve; The flow measurement impulser is connected with flow meter signal on the filling conduit, flow measurement impulser and controller, reclaim motor and be connected oil pump successively signal be connected; Described gas flow regulating valve is connected with oil tank with the recovery oil pump and is connected; Characteristics are that described gas station oil gas recovery control system also comprises the temperature transducer that is arranged on the filling conduit and the gas flow regulating valve control gear that is connected with temperature sensor signal; Described gas flow regulating valve control gear is connected with described gas flow regulating valve signal, the aperture of control gas flow regulating valve.This invention can realize the frequency conversion self adaptive control that oil gas reclaims, and still, only limits to use in the gas station, is not suitable for the ground such as harbour many in the oil gas kind and that yield is large and uses.
The model utility content
The purpose of this utility model is, problem for the prior art existence, provide a kind of oil gas to reclaim safety control system, realize safety control and management that oil gas reclaims, safety with relevant haulage device facilities such as effective assurance boats and ships, harbours, fully avoid peril to occur, reduce property loss and casualties.
The technological scheme that the utility model is dealt with problems is: a kind of oil gas reclaims safety control system, comprise controller and oil gas intake line, and the gas-liquid separator that arranges at described oil gas intake line, wherein, also comprise the level monitoring device that is connected with described controller respectively, pressure monitoring device, device for detecting temperature and explosion suppression device, described level monitoring device, pressure monitoring device, device for detecting temperature and explosion suppression device set gradually from front to back from the oil gas input end on transportation pipeline, be provided with liquid level sensor in the described level monitoring device, be provided with pressure transducer in the described pressure monitoring device, be provided with temperature transducer in the described device for detecting temperature, be provided with detonation seal in the described explosion suppression device.
Further, described level monitoring device is arranged on the described gas-liquid separator.
Preferably, also be provided with filter on transportation pipeline, described filter bits is between described gas-liquid separator and pressure monitoring device.
Preferably, on transportation pipeline, also be provided with the motor-operated control valve that is connected with controller; Also be provided with the first liquid level alarm and the second liquid level alarm that are connected with described liquid level sensor in the described level monitoring device; Described pressure monitoring device has two groups that can replace use, and every group of pressure monitoring device includes the first pressure alarm and the second pressure alarm that is connected with described pressure transducer; Described device for detecting temperature is connected with described explosion suppression device; Described temperature transducer has two groups, is respectively the first temperature transducer and the second temperature transducer; Described the first temperature transducer and the second temperature transducer are separately positioned on the front-end and back-end of described detonation seal; Described device for detecting temperature also comprises temperature alarm, and described temperature alarm is connected respectively with the second temperature transducer with described the first temperature transducer.
Preferably, on described oil gas intake line, be disposed with manual control cut-off valve in described detonation seal rear end, be used for pressure gauge, the safety valve of field observation system pressure, wherein, described safety valve is opened protective system safety during above authorized pressure automatically when system; Described manual control cut-off valve can be beneficial to when controller breaks down and cut off the oil gas intake line by manually controlling, thereby effectively avoid peril to occur, and ensures the gas recovery system for oil safe operation.
Further, described controller also is connected with the spilled oil monitoring device that arranges at the oil product delivery line, described spilled oil monitoring device can carry out oil product and overflow monitoring, described spilled oil monitoring device sends the cargo tank liquid level signal to controller, when oil product surpasses cargo tank restriction liquid level, controller sends signal, closes transportation pipeline.
Further, described controller is connected with described level monitoring device, pressure monitoring device, device for detecting temperature and explosion suppression device by control box, and described controller can receive and send by control box the signal of each monitoring device.
Further, also be provided with the 3rd pressure alarm that is connected with described pressure transducer in the pressure monitoring device, described the 3rd pressure alarm and the second pressure alarm, the first pressure alarm carry out respectively ultrahigh pressure warning, alarm for high voltage and low pressure alarming.
Further, described the first liquid level alarm and the second liquid level alarm carry out respectively high liquid level warning and superelevation liquid level warning.
Further, described the first liquid level alarm, the second liquid level alarm, the first pressure alarm, the second pressure alarm, the 3rd pressure alarm and temperature alarm all are arranged on the described control box.
Further, be provided with three groups of audible-visual annunciators at described control box, described three groups of audible-visual annunciators replace described the first liquid level alarm, the second liquid level alarm, the first pressure alarm, the second pressure alarm, the 3rd pressure alarm and temperature alarm, carry out acoustooptic alarm when receiving the temperature signal that liquid level signal that the related fluid level sensor transmits, pressure signal that pressure transducer transmits or temperature transducer transmit.
Further, described motor-operated control valve is the valve that butterfly valve etc. can in time be controlled transportation pipeline.
Controller is programmable logic controller (PLC) (Programmable Logic Controller, PLC) described in the utility model oil gas recovery safety control system.
Use the utility model oil gas and reclaim the controlling method that safety control system carries out oil gas recovery safety, comprise the steps:
(1) on transportation pipeline from oil gas to gas recovery system for oil that carry, sets gradually from front to back level monitoring device, pressure monitoring device, device for detecting temperature and explosion suppression device from the oil gas input end, described level monitoring device, pressure monitoring device, device for detecting temperature and explosion suppression device are connected with controller respectively, be provided with liquid level sensor in the described level monitoring device, be provided with pressure transducer in the described pressure monitoring device, be provided with temperature transducer in the described device for detecting temperature, be provided with detonation seal in the described explosion suppression device;
Whether (2) have oil product to overflow by the level monitoring device monitoring, overflow if any oil product, liquid level sensor, controller sends signal, closes transportation pipeline if sending to controller with the level monitoring signal;
(3) by the pressure of pressure monitoring device monitoring oil gas, when exceeding the setting range of pressure, pressure transducer sends to controller with the pressure monitoring signal, and controller sends signal, closes transportation pipeline;
(4) by the temperature of device for detecting temperature monitoring oil gas, when exceeding the setting range of temperature, temperature transducer sends to controller with the temperature monitoring signal, and controller sends signal, closes transportation pipeline;
(5) by the generation of explosion suppression device inhibition explosion phenomenon, when blasting, controller output signal starts detonation seal and stops the chain reaction of blasting.
Further, in step (1), also be provided with gas-liquid separator on the oil gas intake line, described level monitoring device is arranged on the described gas-liquid separator.
Further, in step (1), described controller also is connected with the spilled oil monitoring device that arranges at the oil product delivery line; In step (2), whether have oil product to overflow by spilled oil monitoring device and the common monitoring of level monitoring device, described spilled oil monitoring device, when oil product surpasses cargo tank restriction liquid level if sending the cargo tank liquid level signal to controller, controller sends signal, closes transportation pipeline.
Preferably, in step (1), also be provided with filter on transportation pipeline, described filter bits is between described gas-liquid separator and pressure monitoring device; In step (3), oil gas enters the monitoring that pressure monitoring device carries out oil-air pressure after described filter filters.
Further:
In step (1), also be provided with the first liquid level alarm and the second liquid level alarm that are connected with described liquid level sensor in the described level monitoring device; Described pressure monitoring device has two groups that can replace use, and every group of pressure monitoring device includes the first pressure alarm and the second pressure alarm that is connected with described pressure transducer; Described device for detecting temperature is connected with described explosion suppression device, described temperature transducer has two groups, be respectively the first temperature transducer and the second temperature transducer, described the first temperature transducer and the second temperature transducer are separately positioned on the front-end and back-end of described detonation seal; Described device for detecting temperature also comprises temperature alarm, and described temperature alarm is connected respectively with the second temperature transducer with described the first temperature transducer;
In step (1), on transportation pipeline, also be provided with the motor-operated control valve that is connected with controller;
In step (2), whether there is oil product to overflow by the level monitoring device monitoring, overflow if any oil product, when liquid level sensor sends to controller with the level monitoring signal, send to the first liquid level alarm or the second liquid level alarm is reported to the police, controller sends signal, closes transportation pipeline by described motor-operated control valve;
In step (3), pressure by pressure monitoring device monitoring oil gas, when exceeding the setting range of pressure, when pressure transducer sends to controller with the pressure monitoring signal, send to the first pressure alarm or the second pressure alarm is reported to the police, controller sends signal, closes transportation pipeline by described motor-operated control valve;
In step (4), temperature by device for detecting temperature monitoring oil gas, when exceeding the setting range of temperature, when the first temperature transducer and/or the second temperature transducer send to controller with the temperature monitoring signal, sending to temperature alarm reports to the police, controller sends signal, closes transportation pipeline by described motor-operated control valve.
Preferably, the pressure monitoring scope of described pressure transducer is-7.5Kpa is to+7.5Kpa, and the temperature monitoring scope of the first temperature transducer and the second temperature transducer is 95 ° below the C.
Preferably, in step (1), on described oil gas intake line, be disposed with manual control cut-off valve in described detonation seal rear end, be used for pressure gauge, the safety valve of field observation system pressure, wherein, described safety valve is opened protective system safety automatically when system surpasses authorized pressure; Described manual control cut-off valve can cut off the oil gas intake line by manually controlling, thereby effectively avoid peril to occur when controller breaks down, ensure the gas recovery system for oil safe operation.
Preferably, in step (1), described controller is connected with described level monitoring device, pressure monitoring device, device for detecting temperature and explosion suppression device by control box, and described controller receives and send the signal of each monitoring device by control box.
Further, in step (1), also be provided with the 3rd pressure alarm that is connected with described pressure transducer in the pressure monitoring device; In step (2), described the 3rd pressure alarm and the second pressure alarm, the first pressure alarm carry out respectively ultrahigh pressure warning, alarm for high voltage and low pressure alarming according to the pressure signal that pressure transducer transmits.
Further, in step (2), described the first liquid level alarm and the second liquid level alarm carry out respectively high liquid level warning and superelevation liquid level warning.
Further, in step (1), described the first liquid level alarm, the second liquid level alarm, the first pressure alarm, the second pressure alarm, the 3rd pressure alarm and temperature alarm all are arranged on the described control box.
Preferably, in step (1), be provided with three groups of audible-visual annunciators at described control box, described three groups of audible-visual annunciators replace described the first liquid level alarm, the second liquid level alarm, the first pressure alarm, the second pressure alarm, the 3rd pressure alarm and temperature alarm; In step (2), described three groups of audible-visual annunciators carry out acoustooptic alarm when receiving the liquid level signal of liquid level sensor transmission; In step (3), described three groups of audible-visual annunciators carry out acoustooptic alarm when receiving the pressure signal of pressure transducer transmission; In step (4), described three groups of audible-visual annunciators carry out acoustooptic alarm when receiving the temperature signal of temperature transducer transmission.
Controller is programmable logic controller (PLC) (Programmable Logic Controller, PLC) described in the controlling method of the utility model oil gas recovery safety.
Compared with prior art, the beneficial effects of the utility model are: system is new reasonable, simple operation is efficient, the blast that not only may exist for gas recovery system for oil, oil spilling, superpressure, the danger situations such as high temperature are provided with respectively corresponding monitoring device, and can report to the police timely to above-mentioned dangerous situation, control and corresponding management, simultaneously, manual on-the-spot setting of waiting also is provided, thereby realized the safety control to gas recovery system for oil, make the safe operation of gas recovery system for oil obtain abundant guarantee, effectively avoided high temperature, security incidents such as blast that high pressure and oil spilling cause occur, so effective guarantee oil gas reclaim and the oil product of being correlated with is carried and ships that transport, the safety of the installations and facilities such as loader wharf.
Description of drawings
Fig. 1 is the structural representation that the utility model oil gas reclaims safety control system among the embodiment 1;
Fig. 2 is the structural representation that the utility model oil gas reclaims safety control system among the embodiment 2.
Shown in the figure: the 1-controller; 2-oil gas intake line; The 3-gas-liquid separator; The 4-liquid level sensor; The 5-pressure transducer; 6-the first temperature transducer; The 7-detonation seal; The 8-filter; The 9-motor-operated control valve; 10-the second temperature transducer; 11-manually controls cut-off valve; The 12-pressure gauge; The 13-safety valve; The 14-control box; The 15-audible-visual annunciator; 16-oil gas input end.
Embodiment
Embodiment 1
As shown in Figure 1, the utility model oil gas reclaims safety control system, comprise controller 1, oil gas intake line 2, gas-liquid separator 3 in 2 settings of oil gas intake line, also comprise the level monitoring device that is connected with controller 1 respectively, pressure monitoring device, device for detecting temperature and explosion suppression device, described level monitoring device, pressure monitoring device, device for detecting temperature and explosion suppression device set gradually from front to back from oil gas input end 16 on transportation pipeline 2, be provided with liquid level sensor 4 in the described level monitoring device, be provided with pressure transducer 5 in the described pressure monitoring device, be provided with temperature transducer in the described device for detecting temperature, be provided with detonation seal 7 in the described explosion suppression device, wherein:
Described level monitoring device is arranged on the described gas-liquid separator 3;
Also be provided with filter 8 on transportation pipeline 2, filter 8 is between gas-liquid separator 3 and pressure monitoring device;
On transportation pipeline 2, also be provided with the motor-operated control valve 9 that is connected with controller 1;
Also be provided with the first liquid level alarm (not shown) and the second liquid level alarm (not shown) that are connected with liquid level sensor 4 in the described level monitoring device;
Described pressure monitoring device has two groups that can replace use, and every group of pressure monitoring device includes the first pressure alarm (not shown) and the second pressure alarm (not shown) that is connected with pressure transducer 5;
Described device for detecting temperature is connected with described explosion suppression device; Described temperature transducer has two groups, is respectively the first temperature transducer 6 and the second temperature transducer 10; The first temperature transducer 6 and the second temperature transducer 10 are separately positioned on the front-end and back-end of detonation seal 7; Described device for detecting temperature also comprises the temperature alarm (not shown), and described temperature alarm is connected respectively with the second temperature transducer 10 with the first temperature transducer 6;
On oil gas intake line 2, be disposed with manual control cut-off valve 11 in detonation seal 7 rear ends, be used for pressure gauge 12, the safety valve 13 of field observation system pressure.
In above-described embodiment:
Described controller 1 also is connected with the spilled oil monitoring device (not shown) that arranges at the oil product delivery line, described spilled oil monitoring device can carry out oil product and overflow monitoring, described spilled oil monitoring device sends the cargo tank liquid level signal to controller 1, when oil product surpasses cargo tank restriction liquid level, controller 1 sends signal, closes transportation pipeline 2;
The setting of level monitoring device is in time monitored the oil product content in the oil gas, and when effectively monitoring the oil gas input, also the facilities such as oil tanker for whole oil product carrying and conveying provide safety guarantee; Described the first liquid level alarm and the second liquid level alarm carry out high liquid level warning and superelevation liquid level warning to the oil product liquid level in the gas-liquid separator 3 respectively;
Can replace the setting of two groups of described pressure monitoring devices of use, for effective operation of safety control system provides guarantee; The first pressure alarm and the second pressure alarm are reported to the police to low pressure and high pressure respectively, and this kind setting is then provided convenience for the staff understands running situation;
Described the first temperature transducer 6 and the second temperature transducer 10 be in the setting of the front-end and back-end of detonation seal 7, to the dual monitoring of oil gas temperature, and the accident of effectively having avoided the oil gas excess Temperature to cause, thus fully guaranteed monitoring effect;
Described safety valve 13 is opened protective system safety automatically when system surpasses authorized pressure; Manually control cut-off valve 11 can be beneficial to when controller 1 breaks down and cut off oil gas intake line 2 by manually controlling, thereby effectively avoids peril to occur, and ensures the gas recovery system for oil safe operation;
Described filter 8 can filter out residual solid or the liquid substance that exists in the oil gas, thereby prevents that the devices such as pressure monitoring device that oil gas contacts subsequently, explosion suppression device from stopping up, and then fully ensures effective operation of each device;
Described motor-operated control valve 9 is electronic control butterfly valve, can in time open after the control signal that receives controller 1 or closure, thereby make in time disconnection or unimpeded of oil gas intake line 2.
The utility model oil gas is reclaimed the safety control that safety control system is applied to gas recovery system for oil, comprise the steps:
Whether (1) have oil product to overflow by spilled oil monitoring device and the common monitoring of level monitoring device, described spilled oil monitoring device, when oil product surpassed cargo tank restriction liquid level, controller 1 sent signal, closes transportation pipeline if sending the cargo tank liquid level signal to controller; Wherein, whether there is oil product to overflow by the level monitoring device monitoring, overflow if any oil product, when liquid level sensor 4 sends to controller 1 with the level monitoring signal, send to the first liquid level alarm or the second liquid level alarm is reported to the police, controller 1 sends signal, closes transportation pipeline 2 by motor-operated control valve 9; Then, the liquid discharge outlet of opening gas-liquid separator 3 lower ends discharges isolated liquid;
(2) oil gas enters the monitoring that pressure monitoring device carries out oil-air pressure after described filter 8 filters, pressure by pressure monitoring device monitoring oil gas, exceed the setting range-7.5Kpa of pressure ~+during 7.5Kpa, when pressure transducer 5 sends to controller with the pressure monitoring signal, send to the first pressure alarm or the second pressure alarm is reported to the police, controller 1 sends signal, closes transportation pipeline 2 by described motor-operated control valve 9;
(3) temperature by device for detecting temperature monitoring oil gas, when exceeding 95 ° of C of setting range of temperature, when the first temperature transducer 6 and/or the second temperature transducer 10 send to controller with the temperature monitoring signal, sending to temperature alarm reports to the police, controller 1 sends signal, closes transportation pipeline 2 by described motor-operated control valve 9.
(4) by the generation of explosion suppression device inhibition explosion phenomenon, when blasting, controller 1 output signal starts detonation seal 7 and stops the chain reaction of blasting.
Oil gas can be judged system pressure by field observation pressure gauge 12 by behind the described explosion suppression device, and safety valve 13 is opened automatically when system surpasses authorized pressure, thereby further protects the safety of gas recovery system for oil; When controller breaks down, cut off oil gas intake line 2 by manual control cut-off valve 11, thereby effectively avoid peril to occur, and then the safe operation of gas recovery system for oil is fully ensured.
In above-mentioned safety control process, effective combination of each device in each monitoring and control gear and the oil gas input system, make the danger situations such as blast that gas recovery system for oil may exist, oil spilling, superpressure, high temperature be monitored timely respectively, report to the police, control, realized the system optimization control to gas recovery system for oil safety, simultaneously, manually the setting of control cut-off valve 11 field devices such as grade makes the safe operation of gas recovery system for oil further obtain abundant guarantee; Whole safety control system has effectively avoided the security incidents such as blast that high temperature, high pressure and oil spilling cause to occur, effective guarantee oil gas reclaim and the safety of be correlated with oil product conveying and the installations and facilities such as ships that transport, loader wharf.
As shown in Figure 2, a kind of oil gas reclaims the setting of safety control system and distributes with embodiment 1, and different is:
Controller 1 is connected with described level monitoring device, pressure monitoring device, device for detecting temperature and explosion suppression device by control box 14, and controller 1 can receive and send by control box 14 signal of each monitoring device;
Also be provided with the 3rd pressure alarm (not shown) that is connected with pressure transducer 5 in the pressure monitoring device, described the 3rd pressure alarm and the second pressure alarm, the first pressure alarm carry out respectively ultrahigh pressure warning, alarm for high voltage and low pressure alarming;
Be provided with three groups of audible-visual annunciators 15 at control box 14, described three groups of audible-visual annunciators replace described the first liquid level alarm, the second liquid level alarm, the first pressure alarm, the second pressure alarm, the 3rd pressure alarm and temperature alarm, carry out acoustooptic alarm when receiving the temperature signal that liquid level signal that the related fluid level sensor transmits, pressure signal that pressure transducer transmits or temperature transducer transmit.
The utility model oil gas is reclaimed the safety control that safety control system is applied to gas recovery system for oil, and method and step are with embodiment 1, and different is:
In step (1), described three groups of audible-visual annunciators carry out acoustooptic alarm when receiving the liquid level signal of liquid level sensor transmission;
In step (2), described three groups of audible-visual annunciators carry out acoustooptic alarm when receiving the pressure signal of pressure transducer transmission;
In step (3), described three groups of audible-visual annunciators carry out acoustooptic alarm when receiving the temperature signal of temperature transducer transmission.
The utility model is not limited to above-mentioned mode of execution, those skilled in the art make to any apparent improvement of above-mentioned mode of execution or change, can not exceed the protection domain of design of the present utility model and claims.
Claims (4)
1. an oil gas reclaims safety control system, comprise controller and oil gas intake line, and the gas-liquid separator that arranges at described oil gas intake line, it is characterized in that: also comprise the level monitoring device that is connected with described controller respectively, pressure monitoring device, device for detecting temperature and explosion suppression device, described level monitoring device, pressure monitoring device, device for detecting temperature and explosion suppression device set gradually from front to back from the oil gas input end on transportation pipeline, be provided with liquid level sensor in the described level monitoring device, be provided with pressure transducer in the described pressure monitoring device, be provided with temperature transducer in the described device for detecting temperature, be provided with detonation seal in the described explosion suppression device.
2. oil gas according to claim 1 reclaims safety control system, and it is characterized in that: described level monitoring device is arranged on the described gas-liquid separator.
3. oil gas according to claim 2 reclaims safety control system, and it is characterized in that: also be provided with filter on transportation pipeline, described filter bits is between described gas-liquid separator and pressure monitoring device.
4. according to claim 1,2 or 3 described oil gas reclaim safety control systems, it is characterized in that:
On transportation pipeline, also be provided with the motor-operated control valve that is connected with controller;
Also be provided with the first liquid level alarm and the second liquid level alarm that are connected with described liquid level sensor in the described level monitoring device;
Described pressure monitoring device has two groups that can replace use, and every group of pressure monitoring device includes the first pressure alarm and the second pressure alarm that is connected with described pressure transducer;
Described device for detecting temperature is connected with described explosion suppression device; Described temperature transducer has two groups, is respectively the first temperature transducer and the second temperature transducer; Described the first temperature transducer and the second temperature transducer are separately positioned on the front-end and back-end of described detonation seal; Described device for detecting temperature also comprises temperature alarm, and described temperature alarm is connected respectively with the second temperature transducer with described the first temperature transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411805 CN202791349U (en) | 2012-08-17 | 2012-08-17 | Oil gas recovery safety control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411805 CN202791349U (en) | 2012-08-17 | 2012-08-17 | Oil gas recovery safety control system |
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| Publication Number | Publication Date |
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| CN202791349U true CN202791349U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220411805 Expired - Lifetime CN202791349U (en) | 2012-08-17 | 2012-08-17 | Oil gas recovery safety control system |
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| CN (1) | CN202791349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818120A (en) * | 2012-08-17 | 2012-12-12 | 海湾环境科技（北京）股份有限公司 | Oil gas recovery safety control system and control method of oil gas recovery safety control system |
| CN103527928A (en) * | 2013-10-25 | 2014-01-22 | 西南交通大学 | Multifunctional helium condensation circulation system |
-
2012
- 2012-08-17 CN CN 201220411805 patent/CN202791349U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818120A (en) * | 2012-08-17 | 2012-12-12 | 海湾环境科技（北京）股份有限公司 | Oil gas recovery safety control system and control method of oil gas recovery safety control system |
| CN103527928A (en) * | 2013-10-25 | 2014-01-22 | 西南交通大学 | Multifunctional helium condensation circulation system |
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| ASS | Succession or assignment of patent right |
Owner name: LANGFANG HAIWAN ENVIRONMENTAL PROTECTION TECHNOLOG Free format text: FORMER OWNER: BAY ENVIRONMENTAL TECHNOLOGY (BEIJING) CORP. Effective date: 20150127 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 100101 CHAOYANG, BEIJING TO: 065000 LANGFANG, HEBEI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150127 Address after: 065000 Langfang City, Hebei province Guangyang District Guangyang Industrial Zone No. eighteen North Road, No. eleven Road West (No. 14 Building) Patentee after: Langfang Gulf Environmental Protection Technology Co.,Ltd. Address before: 5018, room 100101, Beijing International Conference Center, 8 East Beichen Road, Beijing, Chaoyang District Patentee before: Bay Environmental Technology (Beijing) Corp. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220415 Address after: 013, 1f, building 91, No. 7, Jiuxianqiao North Road, Chaoyang District, Beijing 100101 Patentee after: BAY ENVIRONMENTAL TECHNOLOGY (BEIJING) Corp. Address before: 065000 north of No.18 Road, west of No.11 Road, Guangyang industrial cluster, Guangyang District, Langfang City, Hebei Province (No.14 factory building) Patentee before: Langfang Gulf Environmental Protection Technology Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130313 |