CN109386736A - The collection method of chemicals shipment process Volatile Gas - Google Patents
The collection method of chemicals shipment process Volatile Gas Download PDFInfo
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- CN109386736A CN109386736A CN201710674555.8A CN201710674555A CN109386736A CN 109386736 A CN109386736 A CN 109386736A CN 201710674555 A CN201710674555 A CN 201710674555A CN 109386736 A CN109386736 A CN 109386736A
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- volatile gas
- chemicals
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- collection
- pressure
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Classifications
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- 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
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention relates to a kind of collection method of chemicals shipment process Volatile Gas, mainly solve the problems, such as that chemicals shipment process Volatile Gas evaporates explosive and causes safety poor in the prior art.The present invention loads the collection method of process Volatile Gas onto ship by using a kind of chemicals, the collection of chemicals shipment process Volatile Gas is carried out using Volatile Gas collection device, the Volatile Gas collection device include the conveyance conduit of Volatile Gas, hose, quick vent valve, pressure transmitter, oxygen conten analyser, repid cut-off valve, filter, two-way detonation fire arrester, blower, recyclable device technical solution preferably solve the above problem, can be used in the collection of chemicals shipment Volatile Gas.
Description
Technical field
The present invention relates to a kind of collection methods of chemicals shipment process Volatile Gas, in particular for butyl acrylate and
The collection method of the Volatile Gas generated during MTBE shipment.
Background technique
Butyl acrylate is a kind of important organic synthesis intermediate, is industrially used widely.Sucking, it is oral or
It absorbs through skin to body nocuousness.Its steam or mist are to eyes, mucous membrane and the irritating effect of respiratory tract, in addition, butyl acrylate
It is inflammable, it meets open fire, high fever or is contacted with oxidant, there is the danger for causing combustion explosion, be easy autohemagglutination, polymerization reaction is with temperature
Rising and hurried aggravation.Butyl acrylate can generate a large amount of acrylic acid fourth in chemical company and terminal ship operation process
Ester gas phase.
MTBE (methyl tertiary butyl ether(MTBE)) is used as gasoline additive, improves octane number, and also isobutene is made in cleavable, is used as vapour
Oil additive has excellent anti-knock properties.MTBE steam or mist can cause eyes, mucous membrane and the irritating effect of the upper respiratory tract
Chemical pneumonia.In addition, MTBE belongs to inflammable and explosive chemicals.MTBE can be produced in chemical company and terminal ship operation process
Raw a large amount of MTBE gas phase.
There are two main classes for the processing method of these volatilization gas, and one kind is to generate shipment process by gas-liquid equilibrium line
Gas return to MTBE storage tank, one kind is by specific gas collection method, and the gas that shipment is generated is sent into rear end
MTBE recyclable device.
Summary of the invention
The technical problem to be solved by the present invention is to the problems that safety in the prior art is poor, provide a kind of new chemistry
The collection method of product shipment process Volatile Gas.This method has the advantages that safety is preferable.
To solve the above problems, The technical solution adopted by the invention is as follows: a kind of receipts of chemicals shipment process Volatile Gas
Set method carries out the collection of chemicals shipment process Volatile Gas, the Volatile Gas collection device packet using Volatile Gas collection device
Include the conveyance conduit of Volatile Gas, hose, quick vent valve, pressure transmitter, oxygen conten analyser, repid cut-off valve, filter,
Two-way detonation fire arrester, blower, recyclable device；According to the conveying direction of Volatile Gas, conveyance conduit successively with quick vent valve, pressure
Power transmitter, oxygen conten analyser, repid cut-off valve, filter, two-way detonation fire arrester, blower be connected, fan outlet with wave
Recyclable device of getting angry is connected；Quick vent valve is used to will volatilize gas dump when superpressure；Pressure transmitter is for measuring cabin
Pressure；Oxygen conten analyser is for measuring oxygen content in conveyance conduit；Quick action emergency valve is used to open or turns off Volatile Gas collection
System；Filter is used to remove the impurity particle in gas transmission process；Two-way detonation fire arrester is used under fire condition in time
By explosion barrier in side；Blower is for will volatilize gas boost and be delivered to rear end recyclable device.
In above-mentioned technical proposal, it is preferable that chemicals is butyl acrylate or MTBE.
In above-mentioned technical proposal, it is preferable that filter both ends connect differential pressure transmitter, and differential pressure transmitter is for predicting filtering
Device both ends pressure difference is to predict plugged filter risk.
In above-mentioned technical proposal, it is preferable that be equipped with temperature transmitter before and after two-way detonation fire arrester, temperature transmitter is used for
Measurement fire arrester temperature difference between the two ends meaning predicts risk of explosion.
In above-mentioned technical proposal, it is preferable that nitrogen interface is equipped on the conveyance conduit of Volatile Gas, for loading preceding Xiang Guandao onto ship
Interior filling nitrogen, avoids oxygen content exceeded.
In above-mentioned technical proposal, it is preferable that pressure transmitter quantity at least two side by side and is sequentially connected.
In above-mentioned technical proposal, it is preferable that oxygen conten analyser quantity at least two side by side and is sequentially connected.
In above-mentioned technical proposal, it is preferable that blower is flame-proof converter blower.
In above-mentioned technical proposal, it is preferable that be equipped with Hand-operated butterfly valve between hose and quick vent valve.
In above-mentioned technical proposal, it is preferable that quick vent valve is led to eminence by pipeline.
In above-mentioned technical proposal, it is preferable that carry out the specific steps of Volatile Gas collection are as follows: (1) in chemicals ship-loading operation
It before beginning, is will volatilize in letter shoot road first full of nitrogen, makes in pipeline oxygen content in 6-8% or less；(2) when confirmation has
After Volatile Gas collection condition, the conveyance conduit of Volatile Gas is opened, and chemicals loading operation starts, and shipment generation Volatile Gas, which enters, waves
It gets angry in conveyance conduit, the pressure signal of pressure transmitter measurement is sent into control system, when pressure reaches 3.0-4.5kPa or more,
When the pipeline oxygen content that oxygen conten analyser measures simultaneously is lower than 6-8%, repid cut-off valve is opened, and Volatile Gas is sent by pipeline
The recyclable device of rear end；(3) when the pressure that pressure transmitter measures is lower than the pipe that 2.0-3.0kPa or oxygen conten analyser measure
When road oxygen content is higher than 6-8%, repid cut-off valve is closed, and stops the conveying of Volatile Gas；(4) when filter both ends, pressure difference is greater than
When 1.0-1.3kPa, repid cut-off valve is closed, and Volatile Gas collection system is out of service；When two-way detonation fire arrester temperature difference between the two ends are big
When 120-150 DEG C, repid cut-off valve is closed, and system needs out of service.
This patent provides a kind of collection method of volatilization gas that chemicals generates during shipment, by Volatile Gas
It is equipped with some column instrument and equipment on body conveyance conduit, the volatilization gas that shipment generates can safely, effectively be sent into rear end
Recyclable device, can either guaranteeing volatiles, oxygen content etc. is normal during transportation, prevents cabin or danger is freeed in side on the bank
Dangerous propagation is cut off when dangerous in time, while gas can be will volatilize again and be effectively transported to rear end recyclable device.This patent is equipped with
All instrument and equipment be effective safety precautions: oxygen conten analyser and nitrogen interface can effectively prevent third
Oxygen content is exceeded during transportation for olefin(e) acid butyl ester gas；Quick action emergency valve can load ship or rear end third in butyl acrylate
Olefin(e) acid butyl ester gas concentration unit any end occurs quickly separating two systems under unusual service condition, prevents possible accident from expanding
Greatly；The configuration of temperature transmitter being capable of the possible fire hazard of effectively perceive；Differential pressure transmitter being capable of the possible resistance of effectively perceive
Fill in phenomenon；Two-way detonation fire arrester and filter are the effective safety measures for preventing fire from occurring or spreading；Quick vent valve
It can prevent cabin superpressure and build the pressure, achieve preferable technical effect.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for the invention.
In Fig. 1, the two-way detonation fire arrester 5- of 1- pressure transmitter 2- pressure transmitter 3- repid cut-off valve 4- is explosion-proof
The quick vent valve 8- hose 9- oxygen conten analyser 10- oxygen conten analyser 11- of frequency conversion fan 6- Hand-operated butterfly valve 7- is poor
Pressure transmitter 12- temperature transmitter 13- temperature transmitter 14- filter.
The present invention will be further described below by way of examples, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
A kind of collection method of chemicals shipment process Volatile Gas, as shown in Figure 1, starting in butyl acrylate ship-loading operation
Before, first nitrogen will be full of by a nitrogen pipeline and nitrogen interface in butyl acrylate pipeline, and by air discharge duct road,
Oxygen content in pipeline is set to reach 8% or less.Butyl acrylate loads the gathering line of ship and butyl acrylate collection conduit is led to
A hose 8 is crossed to be connected.After harbour side confirmation ship has the condition of butyl acrylate collection, Hand-operated butterfly valve 6 is opened manually,
Hereafter butyl acrylate loading operation starts.The butyl acrylate gas that shipment generates enters the collection conduit of butyl acrylate
In, two pressure transmitters 1,2 predict cabin pressure and signal are sent into control system PLC, when pressure reaches 4.5kPa (table
Pressure) more than, while when the pipeline oxygen content that measures of oxygen conten analyser 9,10 is lower than 8%, repid cut-off valve 3 is opened, acrylic acid
Butyl ester gas is sent into the butyl acrylate recyclable device of rear end by pipeline.When the pressure that pressure transmitter 1,2 measures is lower than
When the pipeline oxygen content that 3.0kPa (gauge pressure) or oxygen conten analyser measure is higher than 8%, repid cut-off valve 3 is closed, and stops propylene
The conveying of acid butyl ester gas.Filter 14 is used to convey the solid particle polluter removal in gas, prevents friction from generating spark
And lead to fire, and when differential pressure and when device 11 being sent to measure filter both ends pressure difference greater than 1.3kPa, 3 pipe end of repid cut-off valve,
System is out of service, and dismantles filter removal wherein tamper or replacement filter screen.Two-way detonation fire arrester 4 be used for its two
The flame of blocking propagation when holding any end that fire occurs is said when its both ends temperature transmitter 12,13 temperature difference are greater than 120 DEG C
Bright to have potential fire hazard, rapid cut-off valve 3 is closed, and system needs out of service.Quick vent valve 7 is gone ashore for emergency
The dump of cabin superpressure or while building the pressure urgent vacuum breaker, unloading pressure 14kPa, vacuum breaker pressure are -3.5kPa, gas row
Rate is put not less than 30m/s.
[embodiment 2]
A kind of collection method of chemicals shipment process Volatile Gas, as shown in Figure 1, before MTBE ship-loading operation starts, it is first
Nitrogen will be full of by first passing through a nitrogen pipeline and nitrogen interface in MTBE pipeline, and by air discharge duct road, make oxygen in pipeline
Content reaches 8% or less.The gathering line that MTBE loads ship is connected with MTBE collection conduit by a hose 8.Work as harbour
After side confirmation ship has the condition of MTBE collection, Hand-operated butterfly valve 6 is opened manually, and hereafter MTBE loading operation starts.Shipment produces
Raw MTBE gas enters in the collection conduit of MTBE, and two pressure transmitters 1,2 predict cabin pressure and are sent into signal and control
System PLC processed, when pressure reaches 4.5kPa (gauge pressure) or more, while the pipeline oxygen content that oxygen conten analyser 9,10 measures is lower than
When 8%, repid cut-off valve 3 is opened, and MTBE gas is sent into the MTBE recyclable device of rear end by pipeline.When pressure transmitter 1,2
When the pressure measured is higher than 8% lower than the pipeline oxygen content that 3.0kPa (gauge pressure) or oxygen conten analyser measure, repid cut-off valve 3
It closes, stops the conveying of MTBE gas.Filter 14 is used to convey the solid particle polluter removal in gas, prevents friction from producing
It lights a fire flower and leads to fire, when differential pressure and when device 11 being sent to measure filter both ends pressure difference greater than 1.3kPa, repid cut-off valve 3
Pipe end, system is out of service, and dismantles filter removal wherein tamper or replacement filter screen.Two-way detonation fire arrester 4 is used for
The flame of blocking propagation when fire occurs for its both ends any end, when its both ends temperature transmitter 12,13 temperature difference are greater than 120 DEG C
When, illustrate that there is potential fire hazard, rapid cut-off valve 3 is closed, and system needs out of service.Quick vent valve 7 is used for urgent feelings
The dump of condition Cabin superpressure or while building the pressure urgent vacuum breaker, unloading pressure 14kPa, vacuum breaker pressure are -3.5kPa,
Gas discharge flow rate is not less than 30m/s.
[embodiment 3]
A kind of collection method of chemicals shipment process Volatile Gas, as shown in Figure 1, starting in butyl acrylate ship-loading operation
Before, first nitrogen will be full of by a nitrogen pipeline and nitrogen interface in butyl acrylate pipeline, and by air discharge duct road,
Oxygen content in pipeline is set to reach 6% or less.Butyl acrylate loads the gathering line of ship and butyl acrylate collection conduit is led to
A hose 8 is crossed to be connected.After harbour side confirmation ship has the condition of butyl acrylate collection, Hand-operated butterfly valve 6 is opened manually,
Hereafter butyl acrylate loading operation starts.The butyl acrylate gas that shipment generates enters the collection conduit of butyl acrylate
In, two pressure transmitters 1,2 predict cabin pressure and signal are sent into control system PLC, when pressure reaches 3.5kPa (table
Pressure) more than, while when the pipeline oxygen content that measures of oxygen conten analyser 9,10 is lower than 6%, repid cut-off valve 3 is opened, acrylic acid
Butyl ester gas is sent into the butyl acrylate recyclable device of rear end by pipeline.When the pressure that pressure transmitter 1,2 measures is lower than
When the pipeline oxygen content that 2.0kPa (gauge pressure) or oxygen conten analyser measure is higher than 6%, repid cut-off valve 3 is closed, and stops propylene
The conveying of acid butyl ester gas.Filter 14 is used to convey the solid particle polluter removal in gas, prevents friction from generating spark
And lead to fire, and when differential pressure and when device 11 being sent to measure filter both ends pressure difference greater than 1.3kPa, 3 pipe end of repid cut-off valve,
System is out of service, and dismantles filter removal wherein tamper or replacement filter screen.Two-way detonation fire arrester 4 be used for its two
The flame of blocking propagation when holding any end that fire occurs is said when its both ends temperature transmitter 12,13 temperature difference are greater than 150 DEG C
Bright to have potential fire hazard, rapid cut-off valve 3 is closed, and system needs out of service.Quick vent valve 7 is gone ashore for emergency
The dump of cabin superpressure or while building the pressure urgent vacuum breaker, unloading pressure 11kPa, vacuum breaker pressure are -2.5kPa, gas row
Rate is put not less than 20m/s.
[embodiment 4]
A kind of collection method of chemicals shipment process Volatile Gas, as shown in Figure 1, before MTBE ship-loading operation starts, it is first
Nitrogen will be full of by first passing through a nitrogen pipeline and nitrogen interface in butyl acrylate pipeline, and by air discharge duct road, make pipe
Oxygen content reaches 6% or less in road.Butyl acrylate loads the gathering line of ship and butyl acrylate collection conduit passes through one
Root hose 8 is connected.After harbour side confirmation ship has the condition of butyl acrylate collection, Hand-operated butterfly valve 6 is opened manually, hereafter
Butyl acrylate loading operation starts.The butyl acrylate gas that shipment generates enters in the collection conduit of butyl acrylate, and two
A pressure transmitter 1,2 predicts cabin pressure and signal is sent into control system PLC, when pressure reach 3.5kPa (gauge pressure) with
On, while when the pipeline oxygen content that measures of oxygen conten analyser 9,10 is lower than 6%, repid cut-off valve 3 is opened, butyl acrylate gas
Body is sent into the butyl acrylate recyclable device of rear end by pipeline.When the pressure that pressure transmitter 1,2 measures is lower than 2.0kPa (table
Pressure) or the pipeline oxygen content that measures of oxygen conten analyser when being higher than 6%, repid cut-off valve 3 is closed, and butyl acrylate gas is stopped
Conveying.Filter 14 is used to convey the solid particle polluter removal in gas, prevents friction from generating spark and leading to fire
Occur, when differential pressure and when device 11 being sent to measure filter both ends pressure difference greater than 1.3kPa, 3 pipe end of repid cut-off valve, system stops fortune
Row, and dismantle filter removal wherein tamper or replacement filter screen.Two-way detonation fire arrester 4 is used in its both ends any end
The flame that blocking propagation when fire occurs illustrates to have potential when its both ends temperature transmitter 12,13 temperature difference are greater than 150 DEG C
Fire hazard, rapid cut-off valve 3 are closed, and system needs out of service.Quick vent valve 7 is for the tight of emergency Cabin superpressure
Urgent vacuum breaker when suddenly discharging or build the pressure, unloading pressure 11kPa, vacuum breaker pressure are -2.5kPa, and gas discharge flow rate is not low
In 20m/s.
This patent can be waved by being equipped with some column instrument and equipment on volatilization gas conveyance conduit by what shipment generated
Body of getting angry safely, effectively is sent into the recyclable device of rear end, and can either guaranteeing volatiles, oxygen content etc. is normal during transportation,
It prevents cabin or when danger is freeed in side on the bank cuts off dangerous propagation in time, while gas can be will volatilize again and be effectively transported to
Rear end recyclable device.This patent be equipped with all instrument and equipment be effective safety precautions: oxygen conten analyser and
Nitrogen interface, capable of effectively preventing butyl acrylate gas, oxygen content is exceeded during transportation；Quick action emergency valve can be third
Olefin(e) acid butyl ester loads ship or rear end butyl acrylate gas concentration unit any end occurs two systems under unusual service condition
It quickly separates, prevents possible fault spread；The configuration of temperature transmitter being capable of the possible fire hazard of effectively perceive；Differential pressure becomes
Send device being capable of the possible choking phenomenon of effectively perceive；Two-way detonation fire arrester and filter are to prevent fire from occurring or spreading
Effective safety measures；Can quick vent valve prevent cabin superpressure and build the pressure, and achieve preferable technical effect.
Claims (10)
1. a kind of collection method of chemicals shipment process Volatile Gas, carries out chemicals using Volatile Gas collection device and loads process onto ship
The collection of Volatile Gas, the Volatile Gas collection device include the conveyance conduit, hose, quick vent valve, pressure inverting of Volatile Gas
Device, oxygen conten analyser, repid cut-off valve, filter, two-way detonation fire arrester, blower, recyclable device；According to the defeated of Volatile Gas
Send direction, conveyance conduit successively with quick vent valve, pressure transmitter, oxygen conten analyser, repid cut-off valve, filter, double
It is connected to detonation fire arrester, blower, fan outlet is connected with volatilization gas recovering device；Quick vent valve is used to will volatilize when superpressure
Gas dump；Pressure transmitter is used for surveying vessel lock pressure power；Oxygen conten analyser is for measuring oxygen content in conveyance conduit；Tightly
Anxious stop valve is used to open or turns off Volatile Gas collection system；Filter is used to remove the impurity particle in gas transmission process；
Two-way detonation fire arrester is used under fire condition in time by explosion barrier in side；Blower is for will volatilize gas boost and convey
To rear end recyclable device.
2. the collection method of chemicals shipment process Volatile Gas according to claim 1, it is characterised in that chemicals is propylene
Acid butyl ester or MTBE.
3. the collection method of chemicals shipment process Volatile Gas according to claim 1, it is characterised in that filter both ends connect
Differential pressure transmitter is connect, differential pressure transmitter is for predicting filter both ends pressure difference to predict plugged filter risk.
4. the collection method of chemicals shipment process Volatile Gas according to claim 1, it is characterised in that two-way detonation back-fire relief
Temperature transmitter is equipped with before and after device, temperature transmitter predicts risk of explosion for measuring fire arrester temperature difference between the two ends meaning.
5. the collection method of chemicals shipment process Volatile Gas according to claim 1, it is characterised in that the conveying of Volatile Gas
It is equipped with nitrogen interface on pipeline, for filling nitrogen into pipeline before loading onto ship, avoids oxygen content exceeded.
6. the collection method of chemicals shipment process Volatile Gas according to claim 1, it is characterised in that pressure transmitter number
Amount at least two, side by side and is sequentially connected.
7. the collection method of chemicals shipment process Volatile Gas according to claim 1, it is characterised in that oxygen conten analyser
Quantity at least two side by side and is sequentially connected.
8. the collection method of chemicals shipment process Volatile Gas according to claim 1, it is characterised in that blower is explosion-proof change
Frequency blower.
9. according to claim 1 chemicals shipment process Volatile Gas collection method, it is characterised in that hose and quickly thoroughly
Hand-operated butterfly valve is equipped between air valve；Quick vent valve is led into eminence by pipeline.
10. the collection method of chemicals shipment process Volatile Gas according to claim 1, it is characterised in that carry out Volatile Gas receipts
The specific steps of collection are as follows: (1) before chemicals ship-loading operation starts, will volatilize in letter shoot road first full of nitrogen, make pipe
Oxygen content is in 6-8% or less in road；(2) after confirmation has Volatile Gas collection condition, the conveyance conduit of Volatile Gas is opened, chemistry
Product loading operation starts, and shipment generates Volatile Gas and enters in Volatile Gas conveyance conduit, and the pressure signal of pressure transmitter measurement is sent
Enter control system, when pressure reaches 3.0-4.5kPa or more, while the pipeline oxygen content that oxygen conten analyser measures is lower than 6-8%
When, repid cut-off valve is opened, and Volatile Gas is sent into the recyclable device of rear end by pipeline；(3) when the pressure that pressure transmitter measures
When being higher than 6-8% lower than the pipeline oxygen content that 2.0-3.0kPa or oxygen conten analyser measure, repid cut-off valve is closed, and stops waving
The conveying got angry；(4) when filter both ends pressure difference is greater than 1.0-1.3kPa, repid cut-off valve is closed, Volatile Gas collection system
It is out of service；When two-way detonation fire arrester temperature difference between the two ends are greater than 120-150 DEG C, repid cut-off valve is closed, and system need to stop transporting
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710674555.8A CN109386736A (en) | 2017-08-09 | 2017-08-09 | The collection method of chemicals shipment process Volatile Gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710674555.8A CN109386736A (en) | 2017-08-09 | 2017-08-09 | The collection method of chemicals shipment process Volatile Gas |
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| CN201710674555.8A Pending CN109386736A (en) | 2017-08-09 | 2017-08-09 | The collection method of chemicals shipment process Volatile Gas |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03503875A (en) * | 1989-02-10 | 1991-08-29 | ウアイル・ペーテル | A method and apparatus for treating internal substances in a gas space from a large-capacity container in the case of internal substances that pollute the environment. |
| CN202660242U (en) * | 2012-02-29 | 2013-01-09 | 上海至纯洁净系统科技股份有限公司 | Automatic supply system of organic solvent |
| CN105465602A (en) * | 2015-11-12 | 2016-04-06 | 中国石油化工股份有限公司 | Collection method for epoxy propane gas generated during ship-loading operation |
| CN106838605A (en) * | 2017-02-09 | 2017-06-13 | 中国海洋石油总公司 | A kind of process and device for LNG receiving stations BOG systems |
| CN106907570A (en) * | 2017-03-03 | 2017-06-30 | 中国寰球工程有限公司 | A kind of ship-to-ship movement system based on bank base liquefied natural gas receiving station |
-
2017
- 2017-08-09 CN CN201710674555.8A patent/CN109386736A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03503875A (en) * | 1989-02-10 | 1991-08-29 | ウアイル・ペーテル | A method and apparatus for treating internal substances in a gas space from a large-capacity container in the case of internal substances that pollute the environment. |
| CN202660242U (en) * | 2012-02-29 | 2013-01-09 | 上海至纯洁净系统科技股份有限公司 | Automatic supply system of organic solvent |
| CN105465602A (en) * | 2015-11-12 | 2016-04-06 | 中国石油化工股份有限公司 | Collection method for epoxy propane gas generated during ship-loading operation |
| CN106838605A (en) * | 2017-02-09 | 2017-06-13 | 中国海洋石油总公司 | A kind of process and device for LNG receiving stations BOG systems |
| CN106907570A (en) * | 2017-03-03 | 2017-06-30 | 中国寰球工程有限公司 | A kind of ship-to-ship movement system based on bank base liquefied natural gas receiving station |
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Application publication date: 20190226 |
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