CN206552213U - A kind of harbour ship-to-shore interface safety device - Google Patents
A kind of harbour ship-to-shore interface safety device Download PDFInfo
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- CN206552213U CN206552213U CN201720099555.5U CN201720099555U CN206552213U CN 206552213 U CN206552213 U CN 206552213U CN 201720099555 U CN201720099555 U CN 201720099555U CN 206552213 U CN206552213 U CN 206552213U
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Abstract
The utility model discloses a kind of harbour ship-to-shore interface safety device, it is adapted to the ship-to-shore handing-over of device for recovering oil and gas or VOCs controlling devices when various coastal, inland terminal depot oil carriers, chemicals loading and unloading.It is on the sledge chassis of an entirety, it is integrated with insulating flange, pressure transmitter, thief hatch, oil gas cutting system, filter, the first spark arrester, pressure/vacuum bleed-off system, fills a series of devices of lazy/dilution system, temperature transmitter, blowdown system, blower fan, earthed system, differential pressure transmitter, instrument signal and interlock connection in device are integrated in a PLC control system, ensure ship when carrying out oil product, handling of chemicals operation, the safe and stable operation of gas recovery system for oil.The petroleum vapor recovery and VOCs that the present apparatus is applied to the handling such as coastal, inland navigation craft handling oil product, chemicals administer occasion.
Description
Technical field
The utility model belongs to petroleum vapor recovery and VOCs Treatment process field, more particularly to a kind of harbour ship-to-shore interface safety
Device.
Background technology
Oil product volatile oil gas in the link such as accumulating and handling, pollutes atmospheric environment, infringement people health, wastes
The energy.In consideration of it, China has progressively carried out petroleum vapor recovery in gas station, storage tank farm, petroleum refining enterprise etc. and VOCs is administered and gone
It is dynamic.China possesses ton above crude oil and about 190, product oil berth, crude oil and product oil year as world shipping big country
About 6.5 hundred million tons of handling capacity, the operation of harbour oil loading is annual to discharge about 6.5 ten thousand tons of oil gas to air, is oil gas and VOCs weight
Want emission source.But it is limited by the reason, harbour petroleum vapor recovery work such as domestic oil gas and VOCs controls idea, harbour itself specific condition
Make slow progress always.
2015 year traffic Department of Transportation issue《Crude oil finished product wharf petroleum vapor recovery action scheme》, China's harbour petroleum vapor recovery enters
Enter Rapid development stage.Harbour petroleum vapor recovery is a systematic engineering of business, and the harbour device for recovering oil and gas of complete set should at least be wrapped
Include petroleum vapor recovery gas phase arm（Flexible pipe）, ship-to-shore docking security module（DSS）, pipe-line system, device for recovering oil and gas
（VRU）And control system（DCS）.After beaching, by the external interface of petroleum vapor recovery on oil tanker and harbour gas phase arm（Flexible pipe）
It is connected, security module is docked through ship-to-shore（DSS）Enter harbour gas gathering manifold afterwards, most at last oil-gas transportation to device for recovering oil and gas
（VRU）Reclaimed.
In harbour gas recovery system for oil, connection between ship and bank system（Interface/delivery system）It is at connection ship and petroleum vapor recovery
Manage device, ensure ship and the critical system of terminal facilities safety.During actually construction and use, segment terminal is directly sharp
Ship is connected with oil gas collecting device with pipeline and flange, required safety guarantee facility is not provided with, so that petroleum vapor recovery
There is potential security risk.Nansha build the built device for recovering oil and gas on the ground such as great waves, Dongguan, Guangdong just as harbour ship-to-shore interface not
It is safe, lack of standardization, cause device to disable or do not check and accept.
The ship-to-shore interface system of harbour petroleum vapor recovery refers to, in tanker loading or unloading operation, oil gas be collected from cargo hold
Or VOCs, to the ship of harbour device for recovering oil and gas and the coupling part of bank station, it is mainly included installed in bank station wharf apron
Gas phase arm（Flexible pipe）With ship-to-shore interface safety device.
Because ship-to-shore interface system is related to ship and two aspects of bank station, therefore it is related to safe practice and must also included
Ship and two aspects of bank station, be respectively：1. the cabin gas on oil carrier（Ballasting gas）Safety and cabin oil gas collection pipeline
And the safe practice of modular connection；2. the gas transmission arm of wharf apron（Flexible pipe）With the safe practice of ship-to-shore interface safety device.Its
In terms of principal risk source also includes oil carrier and in terms of harbour.In terms of oil carrier：Cabin gas（Ballasting gas）Oxygen content is exceeded, ship
Fire explosion, ship drift, charge of oil overflow into aqueous slag inclusion of gas pipeline, oil gas etc..In terms of harbour：Explosion-proof ability,
Electrostatic conduction, thunder-lightning, block not thoroughly, power-off do not block, with oil transportation do not link, anti-misoperation poor performance, lack flash hider,
Exhaust gas pipe height not enough, with shipboard operation gets in touch with not smooth etc..
The potential safety hazard of harbour petroleum vapor recovery process, can mainly be attributed to：
1）Superpressure and negative pressure.Most of oil tankers the design pressure scope that cargo tank structure is born be typically 3.45~
13.79kPa, in order to be damaged Ship Structure, inert gas keeps small normal pressure in cabin.
2）Air is invaded.Under normal charge of oil operational circumstances, exhaust can be passed through oil gas by being remained in oil cargo tank
The normal pressure that system is discharged.During using gas recovery system for oil loading operation, if pressure declines and reduces atmospheric pressure in cargo tank,
Air may enter oil cargo tank by the hatch board do not closed tight, pipeline flange, valve, gasket seal or other leakages.
3）Fire or blast.In the operating process equipped with gas recovery system for oil, the oil gas of oil cargo tank can be directly entered place
Device is managed, the plant equipment of processing unit is again there may be spark, if often there is spark, occurs the possibility of fire or blast
Property there is.
Utility model content
For above-mentioned technical problem, the utility model proposes a kind of harbour ship-to-shore interface safety device, it can be widely applied to
Oil carrier and chemical tanker are loaded, unloading when petroleum vapor recovery ship-to-shore handing-over, meet it is various under the conditions of safety operation requirement.
In order to realize above-mentioned technical purpose, the utility model uses following concrete technical scheme：
A kind of harbour ship-to-shore interface safety device, the safety device includes main pipeline, is arranged on the main pipeline
Control system and following mechanism：
Manual isolation valve, to be arranged in the form of flange or welding on the pipeline after insulating flange, for failure or urgent
In the case of hand off oil-gas transportation；
Pressure transmitter and site pressure table, are sequentially arranged on the pipeline after manual isolation valve, defeated for Indication of Oil-Gas
Pressurization pressure；
Sampling valve, on the pipeline after site pressure table, is adopted for the pipeline gas sample during oil-gas transportation
Collection；
Filter, on the pipeline after automatic stop valve, for filtering out mechanical admixture present in oil gas, filter
Front and rear setting pressure difference monitoring point, installs differential pressure transmitter；
First spark arrester, on the pipeline after filter, during for preventing fire or explosion danger, flame
Spread；
Pressure vacuum bleed-off system, on the first vertical branch of main pipeline after the first spark arrester, the first vertical branch
Pipe is welded on main pipeline, hand valve is set on the first vertical branch, pressure vacuum valve is installed on the first vertical branch top, for defeated
Emergency blow-down or tonifying Qi when passing through journey superpressure or being spent less than specified vacuum；
Oxygen content monitoring system, including oxygen conten analyser and fill lazy/dilution system, it is described to fill lazy/dilution system and install
After pressure vacuum bleed-off system on the vertical branch of main pipeline second, the second vertical branch is welded on main pipeline, and second is vertical
First switch valve, gas flowmeter and snap joint are set on branch pipe；Oxygen conten analyser, installed in filling after lazy/dilution system
Main pipeline on, for the oxygen content in analyzing oil and gas；
Temperature transmitter and scene temperature table, it is defeated for Indication of Oil-Gas on the main pipeline after oxygen conten analyser
Temperature when sending；
Emergency blow-down system, installed on the vertical branch of main pipeline the 3rd, the 3rd vertical branch is welded after scene temperature table
On main pipeline, second switch valve, the second spark arrester, rainhat are set on the 3rd vertical branch；
Automatic stop valve, on the pipeline after sampling valve；
Liquid bleed-off system, the duct bottom after emergency blow-down system is one the with manually-operated gate the 4th vertical
Branch pipe, liquid closed collection system is drained into for will enter the liquid condensed before blower fan；
Blower fan, on the pipeline after liquid bleed-off system, pipeline is connected with fans entrance, in ship
Oil gas pressure-increasing unit is to device for recovering oil and gas；
Check-valves, on fan outlet pipeline, for preventing oil gas is returned from device for recovering oil and gas from leaping up to oil carrier；
The control system, respectively with pressure transmitter, differential pressure transmitter, gas flowmeter, oxygen conten analyser, temperature
Transmitter, first switch valve, second switch valve, automatic stop valve and air-blower control connection；
Apparatus above integral skid mounting is loaded on a steel framework bearing, and steel framework bearing is provided with electrostatic grounding system
System, underground is imported by issuable electrostatic in device.
Pipe support support is provided with the steel framework bearing, for supporting pipeline and relevant device, the installation of instrument, paving
If.
The filter is basket filter.
The control system is PLC control system.
A kind of beneficial effect of harbour ship-to-shore interface safety device of the utility model is：
Be integrated with a sledge chassis insulating flange, device for pressure measurement, thief hatch, oil gas cutting system,
Filter, spark arrester, pressure/vacuum bleed-off system, fill lazy/dilution system, temperature transmitter, blowdown system, blower fan, ground connection system
Instrument signal and interlock connection in a series of devices such as system, differential pressure transmitter, device are integrated in a PLC control system,
Form modular ship-to-shore interface security system.
In view of device for recovering oil and gas failure that may be present, to ensure smooth effective progress of ship-loading operation, make oil gas
There is an effective floss hole, also for when preventing the frequent take-off of pressure vacuum valve or not reaching pressure vacuum valve take-off condition
Artificial emptying, therefore emergency blow-down system is set.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model harbour ship-to-shore interface safety device；
Fig. 2 is the utility model PLC control system；
Wherein, 1- insulating flanges, 2- manual isolation valves, 3- pressure transmitters, 4- site pressures table, 5- sampling valves, 6- mistakes
Filter, 7- differential pressure transmitters, the spark arresters of 8- first, 9- hands valve, 10- pressure vacuums valve, 11- first switches valve, 12- gas flows
Meter, 13- gases fast joint, 14- oxygen conten analysers, 15- temperature transmitters, 16- scene temperatures table, 17- second switches valve,
The spark arresters of 18- second, 19- rainhats, 20- automatic stop valves, 21- bleeder valves, 22- blower fans, 23- check-valves, 24- pipe supports, 25-
Sledge chassis, 26- earthed systems, 27-PLC control systems.
Embodiment
With reference to Figure of description and specific embodiment to a kind of harbour ship-to-shore interface safety device of the utility model
Technical scheme is described in further detail.
The gas transmission arm that the utility model is connected with oil carrier is connected by insulating flange with ship-to-shore interface safety device, ship-to-shore circle
Face safety device integral arrangement insulating flange 1, manual isolation valve 2, pressure transmitter 3, site pressure table 4, is adopted as shown in figure -1
Sample valve 5, filter 6, differential pressure transmitter 7, the first spark arrester 8, hand valve 9, pressure vacuum valve 10, first switch valve 11, gas stream
Gauge 12, gas fast joint 13, oxygen conten analyser 14, temperature transmitter 15, scene temperature table 16, second switch valve 17,
Two spark arresters 18, rainhat 19, automatic stop valve 20, bleeder valve 21, blower fan 22, check-valves 23, pipe support 24, sledge chassis 25, connect
Ground system 26, PLC control system 27.
In operation, insulating flange 1 reclaims arm oil-gas pipeline with harbour gas phase or petroleum vapor recovery metal hose special is connected, oil
Gas is through oil-gas pipeline/metal hose, into ship-to-shore interface safety device, and the pipeline by the gradient not less than 2 ‰ sequentially passes through hand
Dynamic isolating valve 2, automatic stop valve 20, filter 6, the first spark arrester 8, blower fan 22 and check-valves 23 enter gas-liquid separator.
Manual isolation valve 2 blocks oil in time when being used for harbour or ship generation fire or blast dangerous situation with automatic stop valve 20
Gas path, prevents tissue disaster from expanding.
Pressure transmitter 3 and site pressure table 4 are set between manual isolation valve 2 and automatic stop valve 20, to monitor
Oil-air pressure, prevents that pressure is too high or too low in cabin in operation process.The signal of pressure transmitter 3 enters PLC control system, PLC
Set-up of control system highest and minimum pressure limit value, when pressure exceeds given pressure limit in oil carrier cabin（Or less than predetermined
Pressure requirements）When, pressure signal triggering PLC interlockings send superpressure to device operator（Decompression）Sound and light alarm, and by interlocking journey
Sequence provides a specified signal with orderly close-down bank pump and the oil gas automatic stop valve of desired Remote operation.
Sampling valve 5, analysis and detection for oil-gas component are set between manual isolation valve 2 and automatic stop valve 20.
Filter 6 is set gradually after automatic stop valve 20, for filtering out mechanical admixture that may be present in oil gas, machine is prevented
Tool impurity enters spark arrester, influences spark arrester Fire resistances.
The pressure point of differential pressure transmitter 7 is set before and after filter 6, for measuring gas differential pressure before and after filter 6.Filter 6
Front and rear setting pressure difference monitoring point, installs differential pressure transmitter 7, the signal of differential pressure transmitter 7 enters PLC control system, can set pressure difference most
Ceiling value, when pressure difference reaches highest limit value, automatic stop valve 20 is closed automatically, and blower fan 22 stops, and manual-lock is isolated manually
Valve 2, is cleared up the filter core of filter 6, it is ensured that the normal work of filter 6.
First spark arrester 8 blocks what is burnt or explode to spread for occurring burning or explosion time.
Pressure vacuum bleed-off system, the main pipeline after the first spark arrester are set on the pipeline after the first spark arrester 8
On first vertical branch, normally opened hand valve and pressure vacuum valve are installed on the first vertical branch, cabin superpressure in operation process is prevented
Or less than vacuum requirement.
Set on pipeline after pressure vacuum bleed-off system and fill lazy/dilution system, after pressure vacuum bleed-off system
On the vertical branch of main pipeline second, the second vertical branch is welded on main pipeline, set on the second vertical branch first switch valve,
Gas flowmeter and snap joint, before oil-gas transportation, topping up or diluent gas into cabin, it is ensured that oil gas is dense
Degree is not in explosion limit.
Fill it is lazy/fill on the main line after carrier gas system branch pipe and oxygen conten analyser be installed, oxygen conten analyser is examined automatically
Survey oil gas in oxygen content, when oxygen content be in explosion limit in the range of when, fill it is lazy/fill dilution system switch valve opening, start
Cabin is carried out to fill lazy dilution, the gas poured is generally nitrogen or inert gas, and oxygen conten analyser data are with filling lazy/dilution
Flow system flow meter is interlocked, for calculating the amount of inert gas that need to be poured.First switch valve is automatic switch valve, and system is controlled by PLC
System control is opened or closed.
Temperature transmitter and scene temperature table are set after oxygen conten analyser, for monitoring the oil gas temperature for collecting defeated.Oxygen contains
Amount analyzer signal enters PLC control system, and PLC control system sets oxygen upper concentration value, when oxygen concentration is higher than the upper limit
During concentration value, PLC sends instruction, and automatic stop valve 20 is closed automatically, and blower fan 22 stops, and first filled on lazy/dilution system opens
Close valve 11 to open, start to carry out nitrogen to cabin or inert gas is filling, dilution oxygen concentration, when oxygen concentration is dense less than the upper limit
During angle value, fill lazy/dilution system first switch valve 11 and close.
The temperature transmitter 15 and scene temperature table 16, on the main pipeline after oxygen conten analyser, for referring to
Show temperature during oil-gas transportation；The signal of temperature transmitter 15 enters PLC control system, and temperature sets a threshold limit value, more than maximum
Limit alarm, start interlock.
Emergency blow-down system is set after site pressure table, and emergency blow-down system is arranged on the bye-pass on main line, propped up
Second switch valve and the second spark arrester are provided with pipeline, there is rainhat on delivery pipe top.When triggering dump condition, the
Two switch valves 17 are opened, and oil gas is from the discharger of second switch valve 17 in urgent blowdown system.Second switch valve 17 is automatic
Switch valve, is opened or closed by PLC control system control.
Set after emergency blow-down system and a liquid bleeding device is set before blower fan, blower fan, be the 3rd with bleeder valve
Vertical branch, liquid closed collection system is drained into for will enter the liquid condensed before blower fan.
Further, fan outlet sets check-valves, prevents oil gas is returned from leaping up.
The automatic stop valve 20, on the pipeline after sampling valve 5, in case of emergency automatically cutting off oil gas
Conveying.Automatic stop valve 20 is fire safe type, can be manually operated, indicates or designs with visual valve job site situation on the spot
Into the job site situation for being easy to judge by handle or stem position valve, send valve in PLC control system and close instruction
Shi Hou, valve should be able to be closed in 10s；If signal out of hand, valve is closed automatically.
Whole device is by pipe support integrated installation on steel sledge chassis, and steel sledge sets static grounding system on chassis,
Issuable electrostatic in device is imported into underground.
As shown in Fig. 2 remote transfer signal all in PLC control system integrated system in the utility model, switch valve are opened
Off status and logical interlock.
Wherein, pressure sensor 3, differential pressure transmitter 7, fill lazy/dilution system switch valve 11, gas flowmeter 12, oxygen and contain
Measure analyzer 14, temperature transmitter 15, emergency blow-down system switching valve 17, automatic stop valve 20, blower fan 22 various types of signal it is equal
It is connected with PLC control system 27.
The course of work of the utility model PLC control system is：
1）When the oxygen content of oxygen conten analyser 14 is exceeded, automatic stop valve 20 is closed automatically, and blower fan 22 stops, and fills lazy/dilute
First switch valve 11 on release system is opened, and starts that cabin is carried out to fill lazy, dilution；
2）When temperature transmitter 15 indicates temperature exceeding standard, automatic stop valve 20 is closed automatically, and blower fan 22 stops, emergency blow-down
Second switch valve 17 in system is opened；
3）When pressure transmitter 3 indicates that pressure is exceeded, automatic stop valve 20 is closed automatically, and blower fan 22 stops, emergency blow-down
Second switch valve 17 in system is opened；
4）During start, automatic stop valve 20 and blower fan 22 are opened successively；
5）During shutdown, blower fan 22 and automatic stop valve 20 are closed successively；
6）During 7 superpressure of differential pressure transmitter, automatic stop valve 20 is closed, and blower fan 22 is closed, manual-lock manual isolation valve 2,
Change or the cleaning filter core of filter 6；
7）When receiving the signal that other are specified, automatic stop valve 20 is closed, and blower fan 22 is closed.
Claims (4)
1. a kind of harbour ship-to-shore interface safety device, the safety device includes main pipeline, the control being arranged on the main pipeline
System processed and following mechanism：
Manual isolation valve, to be arranged in the form of flange or welding on the pipeline after insulating flange, for failure or emergency
Lower hand off oil-gas transportation；
Pressure transmitter and site pressure table, are sequentially arranged on the pipeline after manual isolation valve, for Indication of Oil-Gas delivery pressure
Power；
Sampling valve, on the pipeline after site pressure table, for the pipeline gas sample collection during oil-gas transportation；
Filter, on the pipeline after automatic stop valve, for filtering out mechanical admixture present in oil gas, filter before and after
Pressure difference monitoring point is set, differential pressure transmitter is installed；
First spark arrester, on the pipeline after filter, during for preventing fire or explosion danger, flame it is climing
Prolong；
Pressure vacuum bleed-off system, on the first vertical branch of main pipeline after the first spark arrester, the weldering of the first vertical branch
It is connected on main pipeline, hand valve is set on the first vertical branch, and pressure vacuum valve is installed on the first vertical branch top, for conveying
Journey superpressure or emergency blow-down or tonifying Qi when being spent less than specified vacuum；
Oxygen content monitoring system, including oxygen conten analyser and fill lazy/dilution system, it is described to fill lazy/dilution system and be arranged on pressure
After power vacuum relief system on the vertical branch of main pipeline second, the second vertical branch is welded on main pipeline, the second vertical branch
Upper setting first switch valve, gas flowmeter and snap joint；Oxygen conten analyser, installed in the master filled after lazy/dilution system
On pipeline, for the oxygen content in analyzing oil and gas；
Temperature transmitter and scene temperature table, on the main pipeline after oxygen conten analyser, when being conveyed for Indication of Oil-Gas
Temperature；
Emergency blow-down system, installed on the vertical branch of main pipeline the 3rd, the 3rd vertical branch is welded on master after scene temperature table
On pipeline, second switch valve, the second spark arrester, rainhat are set on the 3rd vertical branch；
Automatic stop valve, on the pipeline after sampling valve；
Liquid bleed-off system, the duct bottom after emergency blow-down system is the 4th vertical branch for carrying manually-operated gate,
Liquid closed collection system is drained into for the liquid condensed before blower fan will to be entered；
Blower fan, on the pipeline after liquid bleed-off system, pipeline is connected with fans entrance, for oil gas in ship
Pressure-increasing unit is to device for recovering oil and gas；
Check-valves, on fan outlet pipeline, for preventing oil gas is returned from device for recovering oil and gas from leaping up to oil carrier；
The control system, respectively with pressure transmitter, differential pressure transmitter, gas flowmeter, oxygen conten analyser, temperature pick-up
Device, first switch valve, second switch valve, automatic stop valve and air-blower control connection；
Apparatus above integral skid mounting is loaded on a steel framework bearing, and steel framework bearing is provided with static grounding system, will
Issuable electrostatic imports underground in device.
2. harbour ship-to-shore interface safety device according to claim 1, it is characterised in that set on the steel framework bearing
Pipe support support is equipped with, for supporting pipeline and relevant device, the installation of instrument, laying.
3. harbour ship-to-shore interface safety device according to claim 1, it is characterised in that the filter is basket filtering
Device.
4. harbour ship-to-shore interface safety device according to claim 1, it is characterised in that the control system is controlled for PLC
System processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099555.5U CN206552213U (en) | 2017-01-23 | 2017-01-23 | A kind of harbour ship-to-shore interface safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099555.5U CN206552213U (en) | 2017-01-23 | 2017-01-23 | A kind of harbour ship-to-shore interface safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206552213U true CN206552213U (en) | 2017-10-13 |
Family
ID=60009999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720099555.5U Withdrawn - After Issue CN206552213U (en) | 2017-01-23 | 2017-01-23 | A kind of harbour ship-to-shore interface safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206552213U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106628011A (en) * | 2017-01-23 | 2017-05-10 | 江苏金门能源装备有限公司 | Safety device for interface of ship and shore on wharf |
| CN115095794A (en) * | 2022-07-21 | 2022-09-23 | 中国人民解放军陆军勤务学院 | Intelligent terminal oil support system for wharf oil depot |
-
2017
- 2017-01-23 CN CN201720099555.5U patent/CN206552213U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106628011A (en) * | 2017-01-23 | 2017-05-10 | 江苏金门能源装备有限公司 | Safety device for interface of ship and shore on wharf |
| CN106628011B (en) * | 2017-01-23 | 2019-02-15 | 江苏金门能源装备有限公司 | A kind of harbour ship-to-shore interface safety device |
| CN115095794A (en) * | 2022-07-21 | 2022-09-23 | 中国人民解放军陆军勤务学院 | Intelligent terminal oil support system for wharf oil depot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171013 Effective date of abandoning: 20190215 |
|
| AV01 | Patent right actively abandoned |