CN207148077U - Chemicals loads the collection device of Volatile Gas onto ship - Google Patents
Chemicals loads the collection device of Volatile Gas onto ship Download PDFInfo
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- CN207148077U CN207148077U CN201720988515.6U CN201720988515U CN207148077U CN 207148077 U CN207148077 U CN 207148077U CN 201720988515 U CN201720988515 U CN 201720988515U CN 207148077 U CN207148077 U CN 207148077U
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- volatile gas
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Abstract
A kind of collection device of chemicals shipment Volatile Gas is the utility model is related to, mainly solves the problems, such as that explosive caused by the volatilization of chemicals shipment Volatile Gas in the prior art, security are poor.The utility model loads the collection device of Volatile Gas onto ship by using a kind of chemicals, conveyance conduit, flexible pipe, quick vent valve, pressure transmitter including Volatile Gas, oxygen conten analyser, repid cut-off valve, filter, two-way detonation spark arrester, blower fan, the technical scheme of retracting device preferably solve above mentioned problem, in the collection available for chemicals shipment Volatile Gas.
Description
Technical field
The utility model is related to a kind of collection device of chemicals shipment Volatile Gas, in particular for butyl acrylate and
The collection method of caused Volatile Gas during MTBE shipments.
Background technology
Butyl acrylate is a kind of important organic synthesis intermediate, is industrially used widely.Suction, it is oral or
Absorbed through skin and body is harmful to.Its steam or mist have stimulation to eyes, mucous membrane and respiratory tract, in addition, butyl acrylate
It is inflammable, meet naked light, high fever or contacted with oxidant, have the danger for causing combustion explosion, easy autohemagglutination, polymerisation is with temperature
Rising and hurried aggravation.Butyl acrylate can produce substantial amounts of acrylic acid fourth in chemical enterprise 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, as vapour
Oil additive, there are excellent anti-knock properties.MTBE steams or mist have stimulation to eyes, mucous membrane and the upper respiratory tract, can cause
Chemical pneumonia.In addition, MTBE belongs to inflammable and explosive chemicals.MTBE can be produced in chemical enterprise and terminal ship operation process
Raw substantial amounts of MTBE gas phases.
The processing method of these volatilization gas mainly has two classes, and one kind is by gas-liquid equilibrium line, produces shipment process
Gas return to MTBE storage tanks, one kind is by specific gas collection method, and gas caused by shipment is sent into rear end
MTBE retracting devices.
Utility model content
Technical problem to be solved in the utility model is the problem of security is poor in the prior art, there is provided a kind of new
Chemicals loads the collection device of Volatile Gas onto ship.The device has the advantages of security is preferable.
To solve the above problems, the technical solution adopted in the utility model is as follows：A kind of receipts of chemicals shipment Volatile Gas
Acquisition means, the collection device of the Volatile Gas include conveyance conduit, flexible pipe, quick vent valve, pressure transmitter, the oxygen of Volatile Gas
Content analyzer, repid cut-off valve, filter, two-way detonation spark arrester, blower fan, retracting device；According to the conveying side of Volatile Gas
To, conveyance conduit successively with quick vent valve, pressure transmitter, oxygen conten analyser, repid cut-off valve, filter, two-way quick-fried
Hong spark arrester, blower fan are connected, and fan outlet is connected with volatilization gas recovering device；Filter both ends connect differential pressure transmitter, two-way
Detonation spark arrester is front and rear to be provided with temperature transmitter.
In above-mentioned technical proposal, it is preferable that be equipped with nitrogen interface on the conveyance conduit of Volatile Gas.
In above-mentioned technical proposal, it is preferable that pressure transmitter quantity at least two, side by side and be sequentially connected.
In above-mentioned technical proposal, it is preferable that oxygen conten analyser quantity at least two, side by side and be sequentially connected.
In above-mentioned technical proposal, it is preferable that Hand-operated butterfly valve is provided between flexible pipe and quick vent valve.
In above-mentioned technical proposal, it is preferable that quick vent valve is led into eminence by pipeline.
In this patent, concretely comprising the following steps for Volatile Gas collection is carried out：(1) before chemicals ship-loading operation starts, first will
Nitrogen is full of in Volatile Gas conveyance conduit, makes in pipeline oxygen content below 8%；(2) when confirmation possesses Volatile Gas collection condition
Afterwards, the conveyance conduit of Volatile Gas is opened, and chemicals loading operation starts, and shipment produces Volatile Gas and enters Volatile Gas conveyance conduit
In, the pressure signal of pressure transmitter measurement is sent into control system, when pressure reaches more than 4.5kPa, while oxygen conten analyser
When the pipeline oxygen content measured is less than 8%, repid cut-off valve is opened, and Volatile Gas is sent into the retracting device of rear end by pipeline；(3)
When the pressure that pressure transmitter measures is higher than 8% less than the pipeline oxygen content that 3.0kPa or oxygen conten analyser measure, quickly
Stop valve is closed, and stops the conveying of Volatile Gas；(4) when filter both ends pressure difference is more than 1.3kPa, repid cut-off valve is closed, and is waved
Collection system of getting angry is out of service；When the two-way detonation spark arrester both ends temperature difference is more than 120 DEG C, repid cut-off valve is closed, system
Need out of service.
This patent provides a kind of collection device of chemicals caused volatilization gas during shipment, by Volatile Gas
Some row instrument and equipment are equipped with body conveyance conduit, volatilization gas caused by shipment can safely, effectively be sent into rear end
Retracting device, the body oxygen content etc. in course of conveying that can either ensure to volatilize is normal, prevents cabin or danger is freeed in side on the bank
The dangerous propagation of cut-out in time when dangerous, while volatilization gas is enough effectively transported to rear end retracting device by and can.This patent is equipped with
All instrument and equipment be effective safety precautions：Oxygen conten analyser and nitrogen interface, it can effectively prevent third
Olefin(e) acid butyl ester gas oxygen content in course of conveying is exceeded；Quick action emergency valve can load ship or rear end third in butyl acrylate
Olefin(e) acid butyl ester gas concentration unit either 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 disaster hidden-trouble of effectively perceive；Differential pressure transmitter being capable of the possible resistance of effectively perceive
Fill in phenomenon；Two-way detonation spark arrester and filter are the effective safety measures for preventing fire from occurring or spreading；Quick vent valve
Cabin superpressure can be prevented and built the pressure, achieve preferable technique effect.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of device described in the utility model.
In Fig. 1, the two-way detonation spark arrester 5- of 1- pressure transmitter 2- pressure transmitter 3- repid cut-off valves 4- are explosion-proof
The quick vent valve 8- flexible pipes 9- oxygen conten analysers 10- oxygen conten analysers 11- of frequency conversion fan 6- Hand-operated butterfly valves 7- are poor
Pressure transmitter 12- temperature transmitter 13- temperature transmitter 14- filters.
The utility model is further elaborated below by embodiment, but is not limited only to the present embodiment.
Embodiment
【Embodiment 1】
A kind of collection device of chemicals shipment Volatile Gas, as shown in figure 1, before butyl acrylate ship-loading operation starts,
First nitrogen will be full of by a nitrogen pipeline and nitrogen interface in butyl acrylate pipeline, and by air discharge duct road, made
Oxygen content reaches less than 8% in pipeline.Butyl acrylate loads the gathering line of ship and butyl acrylate collection conduit passes through
A piece flexible pipe 8 is connected.After harbour side confirms that ship possesses the condition of butyl acrylate collection, the manual unlocking of Hand-operated butterfly valve 6, this
Butyl acrylate loading operation starts afterwards.Butyl acrylate gas caused by shipment enters in the collection conduit of butyl acrylate,
Two pressure transmitters 1,2 predict cabin pressure and signal are sent into control system PLC, when pressure reach 4.5kPa (gauge pressure) with
On, while when the pipeline oxygen content that measures of oxygen conten analyser 9,10 is less than 8%, repid cut-off valve 3 is opened, butyl acrylate gas
Body is sent into the butyl acrylate retracting device of rear end by pipeline.When the pressure that pressure transmitter 1,2 measures is less than 3.0kPa (tables
Pressure) or the pipeline oxygen content that measures of oxygen conten analyser when being higher than 8%, repid cut-off valve 3 is closed, and stops butyl acrylate gas
Conveying.Filter 14 is used to remove the solid particle polluter conveyed in gas, prevents friction from producing spark and causing fire
Occur, when differential pressure and when sending device 11 to measure filter both ends pressure difference to be more than 1.3kPa, the pipe end of repid cut-off valve 3, system stops transporting
OK, and take filter removal wherein tamper apart or change screen pack.Two-way detonation spark arrester 4 is used in its both ends either end
The flame of blocking propagation during fire occurs, when its both ends temperature transmitter 12,13 temperature difference are more than 120 DEG C, illustrates with potential
Fire hazard, rapid cut-off valve 3 are closed, and system needs out of service.Quick vent valve 7 is used for the tight of emergency Cabin superpressure
Urgent vacuum breaker when suddenly discharging or build the pressure.
【Embodiment 2】
A kind of collection device of chemicals shipment Volatile Gas, as shown in figure 1, before MTBE ship-loading operations start, it is logical first
Nitrogen will be full of by crossing a nitrogen pipeline and nitrogen interface in MTBE pipelines, and by air discharge duct road, make oxygen content in pipeline
Reach less than 8%.The gathering line that MTBE loads ship is connected with MTBE collection conduits by a flexible pipe 8.When harbour side is true
Recognize ship possess MTBE collection condition after, the manual unlocking of Hand-operated butterfly valve 6, hereafter MTBE loading operations start.Caused by shipment
MTBE gases enter in MTBE collection conduit, and two pressure transmitters 1,2 predict cabin pressure and signal is sent into control system
Unite PLC, and when pressure reaches more than 4.5kPa (gauge pressure), while the pipeline oxygen content that oxygen conten analyser 9,10 measures is less than 8%
When, repid cut-off valve 3 is opened, and MTBE gases are sent into the MTBE retracting devices of rear end by pipeline.When pressure transmitter 1,2 measures
The pipeline oxygen content that measures less than 3.0kPa (gauge pressure) or oxygen conten analyser of pressure when being higher than 8%, repid cut-off valve 3 closes
Close, stop the conveying of MTBE gases.Filter 14 is used to remove the solid particle polluter conveyed in gas, prevents friction from producing
Spark and cause fire, when differential pressure and when sending device 11 to measure filter both ends pressure difference to be more than 1.3kPa, repid cut-off valve 3 is managed
End, system is out of service, and takes filter apart and remove wherein tamper or change screen pack.Two-way detonation spark arrester 4 is used for
The flame of blocking propagation during fire occurs for its both ends either end, when its both ends temperature transmitter 12,13 temperature difference are more 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 urgent vacuum breaker when building the pressure.
Claims (6)
1. a kind of collection device of chemicals shipment Volatile Gas, it is characterised in that the collection device of the Volatile Gas includes volatilization
It is the conveyance conduit of gas, flexible pipe, quick vent valve, pressure transmitter, oxygen conten analyser, repid cut-off valve, filter, two-way quick-fried
Hong spark arrester, blower fan, retracting device；According to the conveying direction of Volatile Gas, conveyance conduit successively with quick vent valve, pressure inverting
Device, oxygen conten analyser, repid cut-off valve, filter, two-way detonation spark arrester, blower fan are connected, and fan outlet returns with Volatile Gas
Receiving apparatus is connected；Filter both ends connect differential pressure transmitter, and two-way detonation spark arrester is front and rear to be provided with temperature transmitter.
2. the collection device of chemicals shipment Volatile Gas according to claim 1, it is characterised in that the conveyance conduit of Volatile Gas
Upper outfit nitrogen interface.
3. the collection device of chemicals shipment Volatile Gas according to claim 1, it is characterised in that pressure transmitter quantity is extremely
It is less two, side by side and is sequentially connected.
4. the collection device of chemicals shipment Volatile Gas according to claim 1, it is characterised in that oxygen conten analyser quantity
At least two, side by side and it is sequentially connected.
5. the collection device of chemicals shipment Volatile Gas according to claim 1, it is characterised in that flexible pipe and quick vent valve
Between be provided with Hand-operated butterfly valve.
6. the collection device of chemicals shipment Volatile Gas according to claim 1, it is characterised in that will be quickly saturating by pipeline
Air valve leads to eminence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988515.6U CN207148077U (en) | 2017-08-09 | 2017-08-09 | Chemicals loads the collection device of Volatile Gas onto ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988515.6U CN207148077U (en) | 2017-08-09 | 2017-08-09 | Chemicals loads the collection device of Volatile Gas onto ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207148077U true CN207148077U (en) | 2018-03-27 |
Family
ID=61674706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720988515.6U Active CN207148077U (en) | 2017-08-09 | 2017-08-09 | Chemicals loads the collection device of Volatile Gas onto ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207148077U (en) |
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2017
- 2017-08-09 CN CN201720988515.6U patent/CN207148077U/en active Active
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