CN212178542U - Wharf oil gas safe conveying system - Google Patents
Wharf oil gas safe conveying system Download PDFInfo
- Publication number
- CN212178542U CN212178542U CN202020212531.8U CN202020212531U CN212178542U CN 212178542 U CN212178542 U CN 212178542U CN 202020212531 U CN202020212531 U CN 202020212531U CN 212178542 U CN212178542 U CN 212178542U
- Authority
- CN
- China
- Prior art keywords
- gas
- oil
- module
- ship
- safety
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
A wharf oil gas safe conveying system is composed of a ship bank safety module and an oil gas conveying module; the ship-shore safety module is placed at the front edge of a wharf berth and consists of an oil-gas pipeline facility, an auxiliary gas pipeline facility and a ship-shore safety module control system; the oil gas conveying module consists of a fan, an oil gas conveying safety facility, an oil gas conveying module monitoring instrument and an oil gas conveying module control system; the ship oil-gas interface is connected to the front end of an oil-gas pipeline facility of the ship bank safety module through a gas phase arm or a gas phase hose, the rear end of the oil-gas pipeline facility of the ship bank safety module is connected with a fan inlet pipeline of an oil-gas conveying module through a gas phase pipeline, and the oil-gas conveying module is connected with an oil-gas processing system through the gas phase pipeline; the ship-shore safety module can receive a loading or liquid level signal from a ship, the air intake control of oil gas is realized through the independent ship-shore safety module control system, the oil gas conveying module receives the signal from the ship-shore safety module, and the oil gas conveying control is realized through the independent control system or the control system shared by the oil gas treatment system.
Description
Technical Field
The utility model relates to an organic waste gas carries the field, especially a pier oil gas safety conveying system.
Background
In the oil loading and unloading process of wharfs, automobiles and trains, the organic components are as follows: crude oil, gasoline, diesel oil, aviation kerosene, triphenyl and other chemicals can volatilize into the atmosphere and participate in atmospheric chemical reaction, so that haze is frequently caused. For the high-concentration organic waste gas, oil gas treatment technology (such as oil gas recovery technology and oil gas destruction technology) is adopted to reduce the volatilization of oil gas components into the atmosphere, and great contribution is made to the control of VOCs in past practice.
However, in actual work, transportation from an oil gas volatilization point to an oil gas treatment system, particularly a wharf oil gas treatment system, faces a certain degree of potential safety hazard, such as a series of problems of oxygen-containing problem of oil gas, long-distance transportation problem of oil gas, safety interval, wharf integral layout limitation and the like, and leads to that part of the oil gas treatment system is still in an idle state for a long time and cannot be put into use even after being installed.
Reference to "MSC/Circ 585 International maritime organization letters: regarding the vapor emission control system standard "," chinese classification societies: cargo steam recovery and processing system inspection guidelines "," JTS 196-12-2017: the construction technical specification (trial) of wharf oil gas recovery facilities is adopted, and the design and construction of wharf oil gas treatment systems are gradually developed in domestic oil wharfs, and certain progress is made. For example, CN104406047B proposes a safety guarantee system for collecting volatile organic gases in the loading process of a terminal tanker, and CN106628011 proposes a terminal tanker interface safety device, and the above technical documents all propose solutions for collecting and transporting terminal oil and gas, but the above solutions are all integrated designs of directly integrating the safety separation function and the transportation function of oil and gas, which puts higher requirements on terminal space; meanwhile, the scheme adopts an inert gas dilution scheme to control the oxygen content of oil and gas, which requires a great amount of inert gas supplement in the practical use process, particularly for oil tankers which are not inerted or are not inerted ideally, and does not consider the type of a rear-end oil and gas treatment system, so that similar designs have great use limitation.
The utility model discloses the inerting of problem and different oil gas is mixed to the oil gas that the above-mentioned safety problem of carrying of solution of pertinence, pier are arranged.
Disclosure of Invention
The utility model provides a pier oil gas safety conveying system, its aim at realizes the gaseous safe transport of VOCs, solves the land used nervous scheduling problem of pier simultaneously.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a wharf oil gas safe conveying system is characterized by comprising a ship bank safety module and an oil gas conveying module; the ship-shore safety module is placed at the front edge of a wharf berth and consists of an oil-gas pipeline facility, an auxiliary gas pipeline facility and a ship-shore safety module control system; the oil gas conveying module consists of an oil gas conveying fan, an oil gas conveying safety facility and an oil gas conveying module monitoring instrument oil gas conveying module control system; the ship oil-gas interface is connected to the front end of an oil-gas pipeline facility of the ship bank safety module through a gas phase arm or a gas phase hose, the rear end of the oil-gas pipeline facility of the ship bank safety module is connected with a fan inlet pipeline of an oil-gas conveying module through a gas phase pipeline, and the oil-gas conveying module is connected with an oil-gas processing system through the gas phase pipeline; the ship-shore safety module receives a loading or liquid level signal from a ship, the air intake control of oil gas is realized through an independent ship-shore safety module control system, the oil gas conveying module receives the signal from the ship-shore safety module, and the oil gas conveying control is realized through an independent control system or a control system shared with an oil gas processing system; the auxiliary gas is hydrocarbon gas, N2, or CO 2.
The ship bank safety module is an integral prying block formed by the following devices:
the self-gas-phase arm or gas-phase hose interface of the oil-gas pipeline facility is formed by connecting an insulating flange, an oil-gas pipeline, a pressure monitoring instrument, a vacuum pressure relief valve, a manual valve, a quick cut-off safety valve, high-efficiency filtering equipment, an explosion-proof flame arrester, a component analyzer and a ship-shore safety module control system;
wherein the component analyzer is an oxygen content analyzer or a hydrocarbon analyzer;
wherein, the pressure monitoring instruments are two or three, and the monitoring signals are two to one or three to two;
the auxiliary gas pipeline facility is formed by connecting an auxiliary gas pipeline, a pressure regulating valve, an emergency cut-off valve and a flow regulating valve in sequence; the auxiliary gas pipeline facility is connected to the rear end of a flame arrester of the oil-gas pipeline and the front end of the component analyzer;
the ship and shore safety module control system is a local programmable logic control system, receives signals of ship liquid level and an oil filling valve simultaneously through monitoring signals of pressure, temperature, pressure difference, flow and component concentration of the ship and shore safety module, communicates with the oil gas conveying module or the oil gas processing system, receives remote control of the oil gas conveying module or the oil gas processing system, and achieves the control function of the ship and shore safety module through switching and adjusting of corresponding valves.
Preferably, when the oil gas treatment system is an oil gas recovery system and the ship is sufficiently inerted, no auxiliary gas pipeline facility is arranged.
When the component analyzer is an oxygen content analyzer, the auxiliary gas is N2 or CO 2; when the component analyzer is a hydrocarbon analyzer, the auxiliary gas is a hydrocarbon gas; the component analyzer is arranged at the rear end of the explosion-proof type flame arrester of the oil-gas pipeline facility. Wherein the hydrocarbon gas is natural gas, liquefied petroleum gas, etc.
The oil and gas delivery module is an integral prying block formed by the following devices:
the flame arrester, the gas-liquid separator, the flow monitoring instrument, the pressure monitoring instrument, the manual valve, the oil-gas conveying fan, the temperature monitoring instrument and the oil-gas conveying module are connected by a control system;
the oil gas conveying module control system is a programmable logic control system or a distributed control system, monitors pressure, temperature, differential pressure, flow and liquid level signals of the oil gas conveying module, communicates with the ship bank safety module and the terminal oil gas processing system, and realizes the control function of oil gas conveying by adjusting the oil gas conveying fan.
Optionally, when the oil and gas conveying module is placed at the front edge of the wharf, the control system of the ship-shore safety module and the control system of the oil and gas conveying module adopt a set of centralized control system.
Preferably, the oil gas and the auxiliary gas are monitored by a pressure monitoring instrument, a flow monitoring instrument and a temperature monitoring instrument; the liquid level monitoring of the gas-liquid separator is realized through a liquid level monitoring instrument; the monitoring of the high-efficiency filtering equipment and the explosion-proof type flame arrester internal part-containing equipment is realized through a pressure difference monitoring instrument.
Preferably, the high-efficiency filtering equipment is a precision filter, and the filtering precision is not lower than 50 um.
The oil and gas conveying module is placed in the land area at the front of the wharf or behind the wharf. Preferably, the oil and gas delivery module is arranged in the land area behind the wharf when the quay frontage space is limited.
Preferably, the oil and gas conveying module is arranged at a position close to the ship-shore safety module at the front edge of the wharf, and a flame arrester and a gas-liquid separator are not arranged at the inlet of a fan of the oil and gas conveying module.
Preferably, the oil gas conveying module is arranged in the area behind the wharf, and the oil gas conveying module control system and the oil gas treatment system are integrally controlled by adopting a unified control system.
Oil gas safety conveying system prevent that static design, explosion-proof design, system alarm point and action point set for engineering implementation details etc. and all strictly force the file according to state such as current technical standard, trade standard.
The utility model discloses following beneficial effect has:
(1) the oil gas conveying module is separated from the ship bank safety module and is placed in a non-wharf frontage area, so that the occupation of land of a wharf is greatly reduced;
(2) the problem of oil and gas treatment of the tanker which is not inerted or is not inerted ideally is considered, so that a large amount of inert gas is avoided being consumed, and the configuration requirement of wharf public works is reduced;
(3) when the oil gas treatment system is a destruction type process, the auxiliary gas is selected to be hydrocarbon gas instead of common inert gas, the existing matching engineering of the oil gas wharf is fully utilized, and the energy consumption of terminal oil gas treatment is greatly reduced.
Drawings
Fig. 1 is a structural connection diagram of a ship-shore safety module of a wharf oil-gas safety conveying system.
Fig. 2 is a structural connection diagram of a ship-shore safety module of the wharf oil-gas safety conveying system.
Fig. 3 is a structural connection diagram of an oil and gas conveying module of the wharf oil and gas safety conveying system.
Fig. 4 is a system diagram of a wharf oil and gas safe conveying system, wherein an oil and gas conveying module is placed in a land area.
Fig. 5 is a system diagram of a wharf oil and gas safe conveying system, wherein an oil and gas conveying module is placed at the front edge of a wharf.
The reference numbers in the drawings represent, respectively:
i represents a ship shore safety module, and II represents an oil and gas transmission module; III represents an oil and gas treatment system;
the device comprises an oil loading device 1, an oil pipeline loading control valve 2, a liquid level monitoring instrument 3, a gas phase arm or a gas phase hose 4, an insulating flange 5, a vacuum pressure relief valve 6, a manual valve 7, a quick cut-off safety valve 8, a high-efficiency filtering device 9, an explosion-proof flame arrester 10, an oil-gas pipeline 11, a flame arrester 12, a gas-liquid separator 13, an oil-gas conveying fan 14, a ship-shore safety module control system 18, an oil-gas conveying module control system 19, a signal conveying line 20, an auxiliary gas 21, a pressure regulating valve 22, an auxiliary gas cut-off valve 23, an auxiliary control valve 24, an on-site pressure monitoring instrument 31, a remote transmission type pressure monitoring instrument 32, a differential pressure monitoring instrument 33, a temperature monitoring instrument 34, a component analyzer 35 and a flow monitoring instrument 36.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, which are not intended as a limiting description of the invention.
Embodiment 1 provides a wharf oil and gas safe conveying system, and the embodiment is described with reference to fig. 1, 3 and 4.
FIG. 4 is a schematic diagram of the oil and gas safety transportation system and the oil and gas treatment system according to the present embodiment; the ship shore safety module I (attached figure 1) is placed on the front edge of a wharf, the oil and gas transmission module II (attached figure 3) is placed in a rear-end land area, is close to the oil and gas treatment system III, and shares the oil and gas transmission module control system 19 with the oil and gas treatment system. In this embodiment, the oil gas treatment system III is an oil gas recovery device.
Fig. 1 is a schematic structural diagram of a ship-shore safety module I.
The ship-shore safety module I is an integral prying block consisting of the following devices:
A. oil gas pipeline facility:
the interface of the self gas phase arm or the gas phase hose 4 is formed by connecting an insulating flange 5, an oil-gas pipeline, an on-site pressure monitoring instrument, a remote transmission type pressure monitoring instrument 32, a vacuum pressure relief valve 6, a manual valve 7, a quick cut-off safety valve 8, a high-efficiency filtering device 9, an explosion-proof type flame arrester 10, a component analyzer 35 and the like in sequence;
the quick cut-off safety valve 8 is an off-signal closing type valve, and when an abnormal condition occurs, the quick cut-off safety valve 8 is closed;
wherein, the high-efficiency filtering equipment 9 is a precision filter with the filtering precision of 50 um;
wherein the component analyzer 35 is an oxygen content analyzer;
the remote transmission type pressure monitoring instrument 32 configured at the inlet of the oil-gas pipeline is two pressure transmitters, and a monitoring signal is one to control the action of the quick cut-off safety valve 8;
wherein, the differential pressure monitoring instrument 33 respectively monitors the cleaning conditions of the high-efficiency filtering device 9 and the explosion-proof type flame arrester 10, when the filtering device is blocked, the corresponding device differential pressure monitoring exceeds a set value, and an alarm is given to prompt the replacement or cleaning of the filtering material.
B. Auxiliary gas pipeline facilities:
the auxiliary gas pipeline, the pressure regulating valve 22, the auxiliary gas shutoff valve 23, the auxiliary gas control valve 24 and the like are connected in sequence;
wherein the auxiliary gas is N2;
wherein, the monitoring of the N2 operation condition is realized through the flow monitoring instrument 36 and the remote transmission type pressure monitoring instrument 32;
the auxiliary gas pipeline is connected to the rear end of the flame arrester 10 of the oil-gas pipeline and the front end of the component analyzer 35.
C. Safety module monitoring system:
the ship-shore safety module control system 18 is an on-site programmable logic control system;
the ship-shore safety module control system receives signals of the ship liquid level monitoring instrument 3 and signals of the oil product pipeline loading control valve 2, communicates with the oil gas conveying module control system 19, and receives remote control of the oil gas conveying module control system 19.
The oil gas pipeline facility and auxiliary gas pipeline facility safety module monitoring system is integrated on a prying block.
FIG. 3 is a schematic structural diagram of an oil and gas delivery module II.
The oil gas conveying module II comprises the following devices to form an integral prying block:
the flame arrester 12, the gas-liquid separator 13, the flow monitoring instrument 36, the remote transmission type pressure monitoring instrument 32, the manual valve 7, the oil and gas conveying fan 14, the temperature monitoring instrument 34 and the like are connected in sequence;
the oil gas conveying fan 14 is a variable frequency fan, and the variable frequency control of the fan is realized through a remote transmission type pressure monitoring instrument 32 at the inlet of the fan;
wherein, the differential pressure monitoring instrument 33 monitors the cleaning condition of the flame arrester 12, when the equipment is blocked, the corresponding equipment differential pressure monitoring exceeds a set value, and gives an alarm to prompt the cleaning of the flame arrester; the liquid level monitoring instrument 3 monitors the condensation condition of the gas-liquid separator 13, and gives an alarm prompt to discharge liquid to the gas-liquid separator 13 when the liquid level of the separator reaches a set value.
The oil gas delivery module control system 19 is a programmable logic control system, the oil gas delivery module control system and the oil gas processing system adopt a unified control system to realize integrated control, and the oil gas delivery module control system 19 receives signals from the ship-shore safety interface control system 18.
The oil gas safe conveying system is developed according to the following technical scheme:
after shipment starts, the safety valve 8 is quickly cut off and opened, the oil-gas conveying fan 14 is opened, oil gas generated by shipment passes through the ship shore safety module I and the oil-gas conveying module II, and finally recovery of VOCs is realized in the oil-gas recovery system III;
when the component analyzer 35 monitors that the oxygen content in the oil gas rises to 8%, the auxiliary gas shutoff valve 23 is opened, the auxiliary control valve 24 controls N2 to enter, and the oxygen content in the oil gas is reduced to be lower than 8%;
when the ship-shore safety module I monitors abnormal signals such as temperature, pressure, differential pressure, flow, oxygen content, ship liquid level and the like, the auxiliary gas shutoff valve 23 and the quick shutoff safety valve 8 are closed. And the ship shore safety module control system 18 transmits an alarm signal to the oil gas transmission module control system 19 to control the oil gas transmission blower 14 to be closed, and the oil gas treatment system III is stopped.
On the contrary, when the oil gas delivery module control system 19 receives the alarm shutdown signal, the feedback signal is sent to the ship shore safety module control system 18, the auxiliary gas shutoff valve 23 and the quick shutoff safety valve 8 are closed.
The anti-static design, the anti-explosion design, the system alarm point, the action point setting and other engineering implementation details of the oil and gas safety conveying system in the embodiment are strictly in accordance with the existing national mandatory documents such as technical standards, industrial specifications and the like.
The parts not related to in the utility model are all the same with the prior art or can be realized by adopting the prior art.
FIG. 5 is a schematic diagram of the oil and gas safety transportation system and the oil and gas treatment system according to the present embodiment;
the ship shore safety module I (figure 2) and the oil and gas transmission module II (figure 3) are placed at the front edge of the wharf, and the oil and gas treatment system III is placed in the rear-end land area. In this embodiment, the oil gas treatment system III is an oil gas recovery device.
The present embodiment is different from embodiment 1 in that:
in this embodiment, the tanker received by the dock is fully inerted, and the auxiliary gas pipeline facility B used in embodiment 1 is eliminated;
in the embodiment, the oil-gas conveying module II is simultaneously placed at the position close to the ship-shore safety module I at the front edge of the wharf; both modules employ a unified ship-shore safety interface control system 18. The signal of the ship-shore safety interface control system 18 is transmitted to the oil gas recovery equipment control system at the rear side of the wharf through a signal transmission line.
The parts not mentioned in this example were carried out with reference to example 1; the parts not related to in the utility model are all the same with the prior art or can be realized by adopting the prior art.
Example 3 corresponds to the structure of example 1 with the following differences:
in this embodiment, the oil gas treatment system III is an oil gas destruction device;
in this embodiment, the auxiliary gas 21 is natural gas;
in this embodiment, the component analyzer 35 is a hydrocarbon analyzer;
in this embodiment, when the hydrocarbon analyzer 35 monitors that the combustible component of the oil-gas mixture is as low as 170% UFL/UEL, the auxiliary gas shutoff valve 23 is opened, and the auxiliary gas control valve 24 controls the natural gas to enter, so as to ensure that the hydrocarbon content in the oil-gas is not lower than 170% UFL/UEL.
The parts not mentioned in this example were carried out with reference to example 1; the parts not related to in the utility model are all the same with the prior art or can be realized by adopting the prior art.
The present invention provides a preferred embodiment, but not as a limiting description of the invention. The embodiment of the utility model is only right the utility model discloses a preferred embodiment's description, it is not right the utility model discloses a design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the engineering technical staff in the field is right the utility model discloses a various variants and improvements that technical scheme made all should fall into the protection scope.
Claims (10)
1. A wharf oil gas safe conveying system is characterized by comprising a ship bank safety module and an oil gas conveying module; the ship-shore safety module is placed at the front edge of a wharf berth and consists of an oil-gas pipeline facility, an auxiliary gas pipeline facility and a ship-shore safety module control system; the oil gas conveying module consists of an oil gas conveying fan, an oil gas conveying safety facility and an oil gas conveying module monitoring instrument oil gas conveying module control system; the ship oil-gas interface is connected to the front end of an oil-gas pipeline facility of the ship bank safety module through a gas phase arm or a gas phase hose, the rear end of the oil-gas pipeline facility of the ship bank safety module is connected with a fan inlet pipeline of an oil-gas conveying module through a gas phase pipeline, and the oil-gas conveying module is connected with an oil-gas processing system through the gas phase pipeline; the ship-shore safety module receives a loading or liquid level signal from a ship, the air intake control of oil gas is realized through an independent ship-shore safety module control system, the oil gas conveying module receives the signal from the ship-shore safety module, and the oil gas conveying control is realized through an independent control system or a control system shared with an oil gas processing system; the auxiliary gas is hydrocarbon gas, N2, or CO 2.
2. The wharf oil and gas safety transfer system of claim 1, wherein the shore safety module is a skid block integrated with:
the self-gas-phase arm or gas-phase hose interface of the oil-gas pipeline facility is formed by connecting an insulating flange, an oil-gas pipeline, a pressure monitoring instrument, a vacuum pressure relief valve, a manual valve, a quick cut-off safety valve, high-efficiency filtering equipment, an explosion-proof flame arrester, a component analyzer and a ship-shore safety module control system;
wherein the component analyzer is an oxygen content analyzer or a hydrocarbon analyzer;
wherein, the pressure monitoring instruments are two or three, and the monitoring signals are two to one or three to two;
the auxiliary gas pipeline facility is formed by connecting an auxiliary gas pipeline, a pressure regulating valve, an emergency cut-off valve and a flow regulating valve in sequence; the auxiliary gas pipeline facility is connected to the rear end of a flame arrester of the oil-gas pipeline and the front end of the component analyzer;
the ship and shore safety module control system is a local programmable logic control system, receives signals of ship liquid level and an oil filling valve simultaneously through monitoring signals of pressure, temperature, pressure difference, flow and component concentration of the ship and shore safety module, communicates with the oil gas conveying module or the oil gas processing system, receives remote control of the oil gas conveying module or the oil gas processing system, and achieves the control function of the ship and shore safety module through switching and adjusting of corresponding valves.
3. The wharf oil and gas safety transmission system of claim 2, wherein when the component analyzer is an oxygen content analyzer, the auxiliary gas is N2 or CO 2; when the component analyzer is a hydrocarbon analyzer, the auxiliary gas is a hydrocarbon gas; the component analyzer is arranged at the rear end of the explosion-proof type flame arrester of the oil-gas pipeline facility.
4. The wharf oil and gas safety transfer system of claim 1, wherein when the oil and gas processing system is an oil and gas recovery system and the vessel is sufficiently inerted, the ship and shore safety module is not provided with auxiliary gas piping facilities.
5. The wharf oil and gas safety transfer system of claim 1, wherein the oil and gas transfer module is a skid block comprising:
the flame arrester, the gas-liquid separator, the flow monitoring instrument, the pressure monitoring instrument, the manual valve, the oil-gas conveying fan, the temperature monitoring instrument and the oil-gas conveying module are connected by a control system;
the oil gas conveying module control system is a programmable logic control system or a distributed control system, monitors pressure, temperature, differential pressure, flow and liquid level signals of the oil gas conveying module, communicates with the ship bank safety module and the terminal oil gas processing system, and realizes the control function of oil gas conveying by adjusting the oil gas conveying fan.
6. The wharf oil and gas safety transmission system of claim 5, wherein the oil and gas transmission module is placed at the front of a wharf or in a land area behind the wharf.
7. The wharf oil and gas safe conveying system of claim 6, wherein the oil and gas conveying module is arranged in a region behind a wharf, and the oil and gas conveying module control system and the oil and gas processing system are integrally controlled by adopting a unified control system.
8. The wharf oil and gas safety transmission system of claim 6, wherein the oil and gas transmission module is placed at the front of a wharf, and the ship shore safety module and the oil and gas transmission module share one set of control system.
9. The wharf oil and gas safety conveying system of claim 1, wherein oil and gas and auxiliary gas are monitored by a pressure monitoring instrument, a flow monitoring instrument and a temperature monitoring instrument; the liquid level monitoring of the gas-liquid separator is realized through a liquid level monitoring instrument; the monitoring of the high-efficiency filtering equipment and the explosion-proof type flame arrester internal part-containing equipment is realized through a pressure difference monitoring instrument.
10. The wharf oil and gas safety conveying system of claim 5, wherein the oil and gas conveying module is arranged at a position close to the ship-shore safety module at the front edge of the wharf, and a flame arrester and a gas and liquid separator are not arranged at a fan inlet of the oil and gas conveying module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020212531.8U CN212178542U (en) | 2020-02-26 | 2020-02-26 | Wharf oil gas safe conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020212531.8U CN212178542U (en) | 2020-02-26 | 2020-02-26 | Wharf oil gas safe conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212178542U true CN212178542U (en) | 2020-12-18 |
Family
ID=73773543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020212531.8U Active CN212178542U (en) | 2020-02-26 | 2020-02-26 | Wharf oil gas safe conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212178542U (en) |
-
2020
- 2020-02-26 CN CN202020212531.8U patent/CN212178542U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5429159A (en) | Vapor recovery system for vehicle loading operation | |
| US5151111A (en) | Vapor recovery system for vehicle loading operation | |
| CN110160065B (en) | Method for system for safely collecting and discharging low-pressure gas from storage tank VOCs | |
| US6315000B1 (en) | Eductor system and method for vapor recovery | |
| CN113047996A (en) | Methanol fuel dual-fuel supply system | |
| CN202203454U (en) | Positive and negative pressure water seal safety system for isolating waste gas | |
| CN108328144B (en) | Oil gas recovery system of storage tank and nitrogen sealing process | |
| CN110143379B (en) | Safety device of low-pressure gas system for discharging VOCs (volatile organic compounds) from storage tank | |
| CN112503393B (en) | System for automatically storing and transporting dangerous liquid | |
| CN212178542U (en) | Wharf oil gas safe conveying system | |
| US9095784B2 (en) | Vapour recovery unit for steam assisted gravity drainage (SAGD) system | |
| CN113309983A (en) | Wharf oil gas safe conveying system | |
| KR102569821B1 (en) | Gaseous fuel supply system | |
| US20020139438A1 (en) | Fuel conduction system | |
| WO2023213146A1 (en) | High-risk waste liquid feeding combustion process | |
| WO2010075786A1 (en) | Membrane-isolated oil storage and transportation device | |
| JP2009061402A (en) | Pier facilities and hydrocarbon recovery system | |
| Rudd et al. | Measures to reduce emissions of VOCs during loading and unloading of ships in the EU | |
| CN206552213U (en) | A kind of harbour ship-to-shore interface safety device | |
| CN209848607U (en) | Non-condensable gas clearing device in hydrocarbon liquid tank car | |
| CN219955056U (en) | Hydrogen production station released gas centralized collection and pressure stabilization conveying system | |
| CN219526246U (en) | Three-time oil gas recovery system of gas station | |
| US20170233241A1 (en) | No Nox | |
| CN115264388B (en) | Device and method for continuously replacing natural gas with nitrogen | |
| CN217587085U (en) | System for effectively controlling oxygen content of storage and transportation oil gas recovery/treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |