CN113309983A - Wharf oil gas safe conveying system - Google Patents

Wharf oil gas safe conveying system Download PDF

Info

Publication number
CN113309983A
CN113309983A CN202010119866.XA CN202010119866A CN113309983A CN 113309983 A CN113309983 A CN 113309983A CN 202010119866 A CN202010119866 A CN 202010119866A CN 113309983 A CN113309983 A CN 113309983A
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.)
Pending
Application number
CN202010119866.XA
Other languages
Chinese (zh)
Inventor
王海影
王园萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Potential Blue Technology Co ltd
Original Assignee
Beijing Potential Blue Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Potential Blue Technology Co ltd filed Critical Beijing Potential Blue Technology Co ltd
Priority to CN202010119866.XA priority Critical patent/CN113309983A/en
Publication of CN113309983A publication Critical patent/CN113309983A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/065—Arrangements for producing propulsion of gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/34—Hydrogen distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • 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, a safety module monitoring instrument and a safety module monitoring system; the oil gas conveying module consists of a fan, a safety facility, a conveying module monitoring instrument and a conveying module monitoring system; the ship oil-gas interface is connected to the front end of an oil-gas pipeline of the ship-shore safety module through a gas-phase arm or a gas-phase hose, the rear end of the oil-gas pipeline of the ship-shore 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 treatment facility through a gas-phase pipeline; the ship-shore safety module can receive a ship loading or liquid level signal from a ship, the air inlet control of oil gas is realized through an independent safety module control system, and the oil gas conveying module receives the signal from the ship-shore safety module to realize the conveying control of the oil gas.

Description

Wharf oil gas safe conveying system
Technical Field
The invention relates to the field of organic waste gas conveying, in particular to a wharf oil gas safe 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 device, particularly a wharf oil gas treatment device, 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 device 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 the oil gas recovery facility at the wharf, and the design and construction of wharf oil gas treatment facilities are gradually developed at 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 invention aims to solve the problems of oil and gas transportation safety, wharf arrangement and inerting and mixing of different oil and gas.
Disclosure of Invention
The invention provides a wharf oil gas safe conveying system, which aims to realize safe conveying of VOCs gas and solve the problems of shortage of land for wharfs and the like.
The technical scheme for solving the technical problems is 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, a safety module monitoring instrument and a safety module monitoring system; the oil gas conveying module consists of a fan, a safety facility, a conveying module monitoring instrument and a conveying module monitoring system; the ship oil-gas interface is connected to the front end of an oil-gas pipeline of the ship-shore safety module through a gas-phase arm or a gas-phase hose, the rear end of the oil-gas pipeline of the ship-shore 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 treatment facility through a gas-phase pipeline; the ship-shore safety module can receive a loading or liquid level signal from a ship, oil and gas intake control is realized through an independent safety module control system, the oil and gas conveying module receives the signal from the ship-shore safety module, and oil and gas conveying control is realized through an independent control system or a control system shared with an oil and gas processing device; the auxiliary gas is hydrocarbon gas such as natural gas, liquefied petroleum gas and the like or inert gas such as N2, CO2 and the like.
The ship bank safety module is an integral prying block formed by the following devices:
the self-gas phase loading and unloading arm interface of the oil and gas pipeline facility is formed by connecting an insulating flange, an oil and gas pipeline, a pressure monitoring instrument, a vacuum pressure unloading valve, a manual valve, a quick cut-off safety valve, high-efficiency filtering equipment, an explosion-proof flame arrester, a component analyzer and the like;
when the terminal oil gas treatment system is a recovery system, the component analyzer is an oxygen content analyzer; when the terminal oil gas treatment system is a destroying system, the component analyzer is an oxygen content analyzer or a hydrocarbon analyzer;
the pressure monitoring instruments arranged at the inlets of the oil and gas pipelines are two or three, and the monitoring signals are one or two;
the auxiliary gas pipeline facility is formed by connecting an auxiliary gas pipeline, a pressure regulating valve, an emergency cut-off valve, a flow regulating valve and the like in sequence; the auxiliary gas pipeline is connected to the rear end of a flame arrester of the oil-gas pipeline and the front end of the component analyzer;
the safety module monitoring system is an on-site programmable logic control system, the control system receives signals of a ship liquid level and an oil filling valve simultaneously by monitoring signals of pressure, temperature, differential pressure, flow, component concentration and the like of a ship bank safety module, communicates with an on-shore oil gas conveying or processing system, receives remote control of the on-shore control system, and realizes the control function of a ship bank safety interface by switching and adjusting corresponding valves.
Preferably, when the oil and gas treatment unit is a recovery system and the ship is sufficiently inerted, no auxiliary gas pipeline facility is provided.
Preferably, when the component analyzer is an oxygen content analyzer, the auxiliary gas is inert gas such as N2 or CO 2; when the component analyzer is a hydrocarbon analyzer, the auxiliary gas is hydrocarbon gas such as natural gas, liquefied petroleum gas and the like; the component analyzer is arranged at the rear end of the oil-gas pipeline flame arrester.
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 like are connected;
the oil gas conveying module monitoring system is a programmable logic control system or a distributed control system, the control system monitors signals of pressure, temperature, differential pressure, flow, liquid level and the like of the oil gas conveying module, meanwhile, the ship shore safety module and the terminal oil gas processing system are communicated, and the control function of oil gas conveying is realized through adjustment of an 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, a temperature monitoring instrument and the like; 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, the flame arrester and other equipment containing internals 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.
When the oil and gas delivery module is arranged at the position close to the ship-shore safety module at the front edge of the wharf, a fan inlet flame arrester and a gas-liquid separator of the oil and gas delivery module are unnecessary.
Optionally, when the oil gas conveying module is arranged in the region behind the wharf, the monitoring system of the oil gas conveying module and the oil gas processing system of the terminal adopt a unified control system to realize integrated control. .
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 safe conveying system are strictly in accordance with the existing national mandatory documents such as technical standards, industrial specifications and the like.
The invention has the following beneficial effects:
(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 terminal oil-gas treatment system is a destruction process, the auxiliary gas is selected to be hydrocarbon gas rather than 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 ship-shore safety module structure connection diagram of an oil-gas safety conveying system.
Fig. 2 is a ship-shore safety module structure connection diagram of the oil-gas safety conveying system.
FIG. 3 is a structural connection diagram of an oil and gas delivery module of the oil and gas safety delivery system.
Fig. 4 is a system diagram of an oil and gas safety delivery system, wherein an oil and gas delivery module is placed in a land area.
Fig. 5 is a system diagram of an 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 prying block, and II represents an oil and gas transmission module prying block; III represents a terminal oil gas treatment system;
1 is used for loading oil, 2 is used for loading a control valve of an oil pipeline, 3 is used for a cabin liquid level instrument, 4 is used for a gas phase arm, 5 is used for an insulating flange, 6 is used for a vacuum pressure discharge valve, 7, 15 and 16 are used for manual valves, 8 is used for a quick cut-off safety valve, 9 is used for high-efficiency filtering equipment, 10 is used for an explosion-proof flame arrester, 11 is used for an oil-gas conveying pipeline, 12 and 17 are used for flame arresters, 13 is used for a gas-liquid separator, 14 is used for an oil-gas conveying fan, 18 is used for a shore safety module control system, 19 is used for an oil-gas conveying module control system, 20 is used for a signal conveying line, 21 is used for auxiliary gas, 22 is used for a pressure regulating valve, 23 is used for an auxiliary gas cut-off valve, 24 is used for an auxiliary gas control valve, 39 and 41 are used for flow monitoring instruments, 31, 32 and 33, 40. the pressure monitoring instrument 43, the differential pressure monitoring instrument 34, 35 and 42, the temperature monitoring instrument 36, 37 and 44, the component analyzer 38 and the liquid level monitoring instrument 45.
Detailed Description
The invention is further described with reference to the accompanying drawings, which are not intended as a limitation on the invention.
Embodiment 1 provides a system for safely transporting oil and gas, 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 terminal oil and gas processing system according to the present embodiment;
the ship shore safety module I (attached figure 1) is placed at the front edge of a wharf, the oil and gas conveying module II (attached figure 3) is placed in a rear-end land area, is close to the terminal oil and gas processing system III, and shares the control system 19 with the terminal oil and gas processing system. In this embodiment, the terminal 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 loading and unloading arm 4 is formed by connecting an insulating flange 5, an oil-gas pipeline, pressure monitoring instruments 31, 32 and 33, a vacuum pressure relief valve 6, a manual valve 7, a quick cut-off safety valve 8, high-efficiency filtering equipment 9, an explosion-proof type flame arrester 10, a component analyzer 38 and the like in sequence;
wherein, the safety valve 8 is an off-signal closing type valve, and when an abnormal condition occurs, the safety valve 8 is closed;
wherein, the high-efficiency filtering equipment is a precision filter with the filtering precision of 50 um;
wherein the component analyzer 38 is an oxygen content analyzer;
the pressure monitoring instruments 32 and 33 arranged at the inlet of the oil-gas pipeline are two pressure transmitters, and a monitoring signal is one to control the action of quickly cutting off the safety valve 8;
wherein, the differential pressure monitoring instruments 34 and 35 respectively monitor 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 device is formed by connecting an auxiliary gas pipeline, a pressure regulating valve 22, an emergency cut-off valve 23, a flow regulating valve 24 and the like in sequence;
wherein the auxiliary gas is N2;
the monitoring of the N2 running condition is realized through the flow monitoring instrument 39 and the pressure monitoring instrument 40;
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 38.
C. Safety module monitoring system:
the monitoring system 18 is an in-situ programmable logic control system;
the control system receives signals of the ship liquid level 3 and the oil filling valve 2, communicates with the onshore oil and gas processing control system 19, and receives remote control of the onshore control system 19.
The oil-gas pipeline facility (1), the auxiliary gas pipeline facility (2) and the safety module monitoring system (3) are 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 41, the pressure monitoring instrument 43, the manual valves 15 and 16, the oil-gas conveying fan 14, the temperature monitoring instrument 44 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 pressure monitoring instrument 43 at the inlet of the fan;
wherein, the differential pressure monitoring instrument 42 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 45 monitors the condensation condition of the gas-liquid separator 13, and gives an alarm prompt to drain the gas-liquid separator 13 when the liquid level of the separator reaches a set value.
The monitoring system 19 of the oil gas conveying module is a programmable logic control system, the monitoring system of the oil gas conveying module and the oil gas processing system of the terminal adopt a unified control system to realize integrated control, and the control system 19 receives signals from the ship and 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 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 oxygen content analyzer 38 monitors that the oxygen content in the oil gas rises to 8%, the auxiliary gas shutoff valve 23 is opened, the auxiliary gas regulating 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 a control system 19 near the oil gas treatment system, so that the oil gas transmission blower 14 is controlled to be closed, and the oil gas recovery facility III at the terminal is stopped.
On the contrary, when the control system 19 receives the alarm stop signal, the feedback signal is sent to the ship shore safety module control system 18, and the auxiliary gas of the safety module closes the valve 23 and the quick cut-off safety valve 8.
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 referred to in the present invention are the same as or can be implemented using the prior art.
Embodiment 2 provides a system for safely transporting oil and gas, and the embodiment is described with reference to fig. 2, 3 and 5.
FIG. 5 is a schematic diagram of the oil and gas safety transportation system and the terminal oil and gas processing 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 a wharf, and the terminal oil and gas processing system III is placed in a rear-end land area. In this embodiment, the terminal 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 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 control system 18. The control system 18 signals are 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 referred to in the present invention are the same as or can be implemented using the prior art.
Embodiment 3 provides a system for safely transporting oil and gas, and the embodiment is described with reference to fig. 1, 3 and 4.
Example 3 is essentially identical to the structure of example 1, except for the following differences:
in this embodiment, the terminal 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 38 is a hydrocarbon content analyzer;
in this embodiment, when the hydrocarbon analyzer 38 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 regulating 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 referred to in the present invention are the same as or can be implemented using the prior art.
The present invention provides a preferred embodiment, but is not intended to be a limiting illustration of the invention. The embodiment of the present invention is described only for the preferred embodiment of the present invention, and not for the purpose of limiting the spirit and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.

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, a safety module monitoring instrument and a safety module monitoring system; the oil gas conveying module consists of a fan, a safety facility, a conveying module monitoring instrument and a conveying module monitoring system; the ship oil-gas interface is connected to the front end of an oil-gas pipeline of the ship-shore safety module through a gas-phase arm or a gas-phase hose, the rear end of the oil-gas pipeline of the ship-shore 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 treatment facility through a gas-phase pipeline; the ship shore safety module receives a ship loading or liquid level signal from a ship, realizes the air intake control of oil gas through an independent safety module control system, receives the signal from the ship shore safety module, and realizes the oil gas conveying control through an independent or shared control system with an oil gas processing device; the auxiliary gas is hydrocarbon gas such as natural gas, liquefied petroleum gas and the like or inert gas such as N2, CO2 and the like.
2. The wharf oil and gas safety transfer system of claim 1, wherein the shore safety module is a skid block integrated with:
(1) the self-gas phase loading and unloading arm interface of the oil and gas pipeline facility is formed by connecting an insulating flange, an oil and gas pipeline, a pressure monitoring instrument, a vacuum pressure unloading valve, a manual valve, a quick cut-off safety valve, high-efficiency filtering equipment, an explosion-proof flame arrester, a component analyzer and the like;
wherein the component analyzer is an oxygen content analyzer or a hydrocarbon analyzer;
the pressure monitoring instruments arranged at the inlets of the oil and gas pipelines are two or three, and the monitoring signals are two-out-of-one or three-out-of-two;
(2) the auxiliary gas pipeline facility is formed by connecting an auxiliary gas pipeline, a pressure regulating valve, an emergency cut-off valve, a flow regulating valve and the like in sequence; the auxiliary gas pipeline is connected to the rear end of a flame arrester of the oil-gas pipeline and the front end of the component analyzer;
(3) the safety module monitoring system is an on-site programmable logic control system, the control system receives signals of a ship liquid level and an oil filling valve simultaneously by monitoring signals of pressure, temperature, differential pressure, flow, component concentration and the like of a ship bank safety module, communicates with an on-shore oil gas conveying or processing system, receives remote control of the on-shore control system, and realizes the control function of a ship bank safety interface by switching and adjusting corresponding valves.
3. The wharf oil and gas safety conveying system of claim 2, wherein when the component analyzer is an oxygen content analyzer, the auxiliary gas is an inert gas such as N2 or CO 2; when the component analyzer is a hydrocarbon analyzer, the auxiliary gas is hydrocarbon gas such as natural gas, liquefied petroleum gas and the like; the component analyzer is arranged at the rear end of a flame arrester of the oil-gas pipeline.
4. The wharf oil and gas secure transportation system of claim 1, wherein the ship bank security module is not provided with auxiliary gas piping facilities when the oil and gas processing unit is a recovery system and the ship is sufficiently inerted.
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 like are connected;
the oil gas conveying module monitoring system is a programmable logic control system or a distributed control system, the control system monitors signals of pressure, temperature, differential pressure, flow, liquid level and the like of the oil gas conveying module, meanwhile, the control system is communicated with the ship bank safety module and the terminal oil gas processing system, and the control function of oil gas conveying is realized by adjusting an 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 safety transmission system of claim 6, wherein the oil and gas transmission module is arranged in a region behind a wharf, and a monitoring system of the oil and gas transmission module and an oil and gas processing system of a terminal are integrally controlled by a unified control system.
8. The wharf oil and gas safe delivery system of claim 6, wherein the ship shore safety module and the oil and gas delivery module are a centralized control system when the oil and gas delivery module is placed at the front of the wharf.
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, a temperature monitoring instrument and the like; 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, the flame arrester and other equipment containing internals is realized through a pressure difference monitoring instrument.
10. The wharf oil and gas safety transfer system of claim 1, wherein the oil and gas transfer module is disposed at a position near the ship shore safety module at the front of the wharf, and a fan inlet flame arrester and a gas and liquid separator of the oil and gas transfer module are not necessary.
CN202010119866.XA 2020-02-26 2020-02-26 Wharf oil gas safe conveying system Pending CN113309983A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010119866.XA CN113309983A (en) 2020-02-26 2020-02-26 Wharf oil gas safe conveying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010119866.XA CN113309983A (en) 2020-02-26 2020-02-26 Wharf oil gas safe conveying system

Publications (1)

Publication Number Publication Date
CN113309983A true CN113309983A (en) 2021-08-27

Family

ID=77369992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010119866.XA Pending CN113309983A (en) 2020-02-26 2020-02-26 Wharf oil gas safe conveying system

Country Status (1)

Country Link
CN (1) CN113309983A (en)

Similar Documents

Publication Publication Date Title
US5429159A (en) Vapor recovery system for vehicle loading operation
US5151111A (en) Vapor recovery system for vehicle loading operation
US6418957B1 (en) Eductor system and method for vapor recovery
CN110160065B (en) Method for system for safely collecting and discharging low-pressure gas from storage tank VOCs
CN106628721A (en) Device and method for collecting storage tank discharged gas
US9095784B2 (en) Vapour recovery unit for steam assisted gravity drainage (SAGD) system
CN110143379B (en) Safety device of low-pressure gas system for discharging VOCs (volatile organic compounds) from storage tank
CN108328144B (en) Oil gas recovery system of storage tank and nitrogen sealing process
CN104176262A (en) Pressure-maintaining oil tank of aircraft
CN106628011A (en) Safety device for interface of ship and shore on wharf
CN212178542U (en) Wharf oil gas safe conveying system
CN113309983A (en) Wharf oil gas safe conveying system
WO2023213146A1 (en) High-risk waste liquid feeding combustion process
WO2010075786A1 (en) Membrane-isolated oil storage and transportation device
CN206552213U (en) A kind of harbour ship-to-shore interface safety device
JP2009061402A (en) Pier facilities and hydrocarbon recovery system
CN111644015B (en) Oil gas recovery system for realizing nitrogen multiplexing
CN112811382A (en) Sealed oil discharge device of crude oil tank truck
CN101462631A (en) Film isolation type oil storage and transportation apparatus
US20170233241A1 (en) No Nox
CN219955056U (en) Hydrogen production station released gas centralized collection and pressure stabilization conveying system
CN219976147U (en) VOCs tail gas supercharging conveying system of constant pressure tank of intrinsically safe aromatic extraction device
CN212196918U (en) Atmospheric tank car buffer tank exhaust recovery system that unloads
CN112623536B (en) Interlocking method for controlling pressure of storage tank
CN115264388B (en) Device and method for continuously replacing natural gas with nitrogen

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination