CN110030495A - A kind of liquid oxygen entrucking security system - Google Patents
A kind of liquid oxygen entrucking security system Download PDFInfo
- Publication number
- CN110030495A CN110030495A CN201910328965.6A CN201910328965A CN110030495A CN 110030495 A CN110030495 A CN 110030495A CN 201910328965 A CN201910328965 A CN 201910328965A CN 110030495 A CN110030495 A CN 110030495A
- Authority
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- Prior art keywords
- valve
- liquid oxygen
- shut
- oxygen
- entrucking
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- 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
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/082—Pipe-line systems for liquids or viscous products for cold fluids, e.g. liquefied 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses a kind of liquid oxygen entrucking security systems, including liquid oxygen pump, the first shut-off valve, the first oxygen therapy pipeline, quick action emergency valve, live emergency button and control system, the outlet first of liquid oxygen pump cures by oxygen therapy pipeline, connection can be connected in the outlet of first oxygen therapy pipeline with the entrance to loading liquid oxygen tank car, and the first shut-off valve is mounted on the first oxygen therapy pipeline；Quick action emergency valve is located between the outlet of liquid oxygen pump and the entrance of the first shut-off valve；Live emergency button and control system are used to control liquid oxygen pump and quick action emergency valve power on/off simultaneously.If being abnormal, liquid oxygen pump can be controlled by live emergency button and quick action emergency valve powers off simultaneously, liquid oxygen is avoided to leak.If operator is farther out from live emergency button, the operator at remote console can control liquid oxygen pump and quick action emergency valve simultaneously by control system while power off, liquid oxygen is avoided to leak after having notice.
Description
Technical field
The present invention relates to liquid oxygen entrucking technical fields, more particularly, to a kind of liquid oxygen entrucking security system.
Background technique
Currently, fill of liquid oxygen process flow are as follows: liquid oxygen enters to liquid oxygen pump intake by liquid oxygen storage tank, and liquid oxygen pump exit is set
It is equipped with on-site manual stop valve, once encounter abnormal liquefied oxygen tank vehicle or liquefied oxygen tank vehicle and exception at liquid oxygen pipeline interface, it will
It causes a large amount of liquid oxygen to leak, if operator is farther out from on-site manual stop valve, closes on-site manual in operator and cut
This period of time of disconnected valve, liquid oxygen pump still pump out liquid oxygen, cause liquid oxygen a lot of leakage.If liquid oxygen pump is to on-site manual
This section of liquid oxygen pipeline of stop valve is abnormal, and liquid oxygen pump still pumps out liquid oxygen, causes liquid oxygen a lot of leakage.
Therefore, the outer discharge of liquid oxygen is that those skilled in the art's technology urgently to be resolved is asked during how reducing fill of liquid oxygen
Topic.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of liquid oxygen entrucking security system, during reducing fill of liquid oxygen
The outer discharge of liquid oxygen.
To achieve the goals above, the present invention provides following schemes:
A kind of liquid oxygen entrucking security system, including liquid oxygen pump, the first shut-off valve and the first oxygen therapy pipeline, the liquid oxygen pump
The outlet of first oxygen therapy pipeline described in outlet, the first oxygen therapy pipeline can be connected with the entrance to loading liquid oxygen tank car
Connection, first shut-off valve are mounted on the first oxygen therapy pipeline, and the liquid oxygen entrucking security system further includes promptly cutting
Disconnected valve, live emergency button and control system；
The quick action emergency valve is mounted on the first oxygen therapy pipeline, and the quick action emergency valve is located at the liquid oxygen pump
Outlet and first shut-off valve entrance between, and when the quick action emergency valve obtains electric, the quick action emergency valve conducting,
When quick action emergency valve power-off, the quick action emergency valve is disconnected；
The scene emergency button is for controlling the liquid oxygen pump and the quick action emergency valve power on/off simultaneously；
The control system is mounted at remote console, for remotely controlling the same of liquid oxygen pump and the quick action emergency valve
When power on/off.
In a specific embodiment, the liquid oxygen entrucking security system further includes instrument wind shut-off valve；
When the quick action emergency valve is in energized state, the instrument wind shut-off valve is for controlling the quick action emergency valve
On-off.
In another specific embodiment, the liquid oxygen entrucking security system further includes the first blow valve；
One end of first blow valve be mounted on it is described first oxygen therapy pipeline on, and the entrance of first blow valve with
The outlet of the liquid oxygen pump is connected.
In another specific embodiment, the liquid oxygen entrucking security system further includes third shut-off valve；
The third shut-off valve is mounted on the first oxygen therapy pipeline, and the entrance of the third shut-off valve and the liquid
The outlet of oxygen pump is connected, and the outlet of the third shut-off valve is connected with the entrance of the quick action emergency valve.
In another specific embodiment, the liquid oxygen entrucking security system further includes the 4th shut-off valve and safety
Valve；
4th shut-off valve is mounted on the first oxygen therapy pipeline, and the entrance of the 4th shut-off valve and the liquid
The outlet of oxygen pump is connected；
The outlet guide of the entrance of the safety valve and the 4th shut-off valve, which leads to, to be connect.
In another specific embodiment, the liquid oxygen entrucking security system further includes fast interface；
The fast interface be mounted on it is described first oxygen therapy pipeline outlet end, and the fast interface be used for it is described to
Load the entrance connection of liquefied oxygen tank vehicle.
In another specific embodiment, the liquid oxygen entrucking security system further includes liquid oxygen storage tank, the second oxygen therapy
Pipeline and the 5th shut-off valve；
It is connected between the liquid oxygen storage tank and the liquid oxygen pump by the second oxygen therapy pipeline, the 5th shut-off valve peace
On the second oxygen therapy pipeline.
In another specific embodiment, the liquid oxygen entrucking security system further includes the 6th shut-off valve；
6th shut-off valve is mounted on the second oxygen therapy pipeline, and is located at the liquid oxygen storage tank and described 5th section
Only between valve.
In another specific embodiment, the liquid oxygen entrucking security system further includes the second blow valve；
One end of second blow valve be mounted on it is described second oxygen therapy pipeline on, and the entrance of second blow valve with
The entrance of the liquid oxygen pump is connected.
Each embodiment according to the present invention can according to need any combination, resulting embodiment party after these combinations
Case is also a part of the specific embodiment of the invention within the scope of the present invention.
It can be seen from the above technical scheme that liquid oxygen entrucking security system provided by the invention, in use, the first cut-off
Valve is opened, liquid oxygen pump startup, and liquid oxygen is transported to along the first oxygen therapy pipeline in loading liquid oxygen tank car.If liquefied oxygen tank vehicle occurs
Abnormal or the first oxygen therapy pipeline is abnormal at abnormal perhaps liquefied oxygen tank vehicle and liquid oxygen pipeline interface, can be opened by scene emergency
It closes control liquid oxygen pump and quick action emergency valve powers off simultaneously, liquid oxygen is avoided to leak.If operator is farther out from live emergency button, far
Operator at journey station can control liquid oxygen pump simultaneously by control system and quick action emergency valve is same after having notice
When power off, avoid liquid oxygen from leaking.Present invention reduces discharges outside liquid oxygen during fill of liquid oxygen.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of liquid oxygen entrucking security system provided by the invention.
Wherein, in Fig. 1:
Liquid oxygen pump 1, the first shut-off valve 2, first oxygen therapy pipeline 3, quick action emergency valve 4, live emergency button 5, control system
6, instrument wind shut-off valve 7, the first blow valve 8, third shut-off valve 9, the 4th shut-off valve 10, safety valve 11, fast interface 12, liquid oxygen
Storage tank 13, second cures by oxygen therapy pipeline 14, the 5th shut-off valve 15, the 6th shut-off valve 16, the second blow valve 17.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art better understand technical solution of the present invention
Applying mode, the present invention is described in further detail.
Embodiment one
Referring to Fig. 1, providing a kind of liquid oxygen entrucking security system for the present invention, wherein liquid oxygen entrucking security system includes
Liquid oxygen pump 1, the first shut-off valve 2, first oxygen therapy pipeline 3, quick action emergency valve 4, live emergency button 5 and control system 6.
The outlet first of liquid oxygen pump 1 cures by oxygen therapy pipeline 3, the outlet of the first oxygen therapy pipeline 3 can with to loading liquid oxygen slot
Connection is connected in the entrance of vehicle, and the first shut-off valve 2 is mounted on the first oxygen therapy pipeline 3, i.e. the entrance and liquid oxygen pump of the first shut-off valve 2
1 outlet conducting, the outlet of the first shut-off valve 2 can be connected with the entrance to loading liquid oxygen tank car.
Quick action emergency valve 4 is mounted on the first oxygen therapy pipeline 3, and quick action emergency valve 4 is located at the outlet and first of liquid oxygen pump 1
Between the entrance of shut-off valve 2, i.e., the entrance of quick action emergency valve 4 is connected with the outlet of liquid oxygen pump 1, the outlet of quick action emergency valve 4 with
The entrance of first shut-off valve 2 is connected.
Quick action emergency valve 4 only has standard-sized sheet and closes two kinds of working conditions entirely, obtains electric controlled, power loss is closed entirely, that is, works as emergency cut-off
When valve 4 obtains electric, quick action emergency valve 4 is connected, and when quick action emergency valve 4 powers off, quick action emergency valve 4 is disconnected.
At the scene, live emergency button 5 is electrically connected with liquid oxygen pump 1 and quick action emergency valve 4 respectively for the live setting of emergency button 5
It connects, live emergency button 5 is for controlling liquid oxygen pump 1 and quick action emergency valve 4 while being powered or powering off.
Control system 6 is mounted at remote console, and control system 6 connects with liquid oxygen pump 1 and 4 signal of quick action emergency valve respectively
It connects, is powered or powers off while control system 6 is for remotely controlling liquid oxygen pump 1 and quick action emergency valve 4.
Control system 6 is specially DCS control system.
Liquid oxygen entrucking security system provided by the invention, in use, the first shut-off valve 2 is opened, liquid oxygen pump 1 starts, by liquid
Oxygen is transported to along the first oxygen therapy pipeline 3 in loading liquid oxygen tank car.If abnormal liquefied oxygen tank vehicle or liquefied oxygen tank vehicle and liquid occurs
Oxygen pipeline interface is abnormal or the first oxygen therapy pipeline 3 is abnormal, and liquid oxygen pump 1 and urgent can be controlled by live emergency button 5
Stop valve 4 powers off simultaneously, and liquid oxygen is avoided to leak.If operator is farther out from live emergency button 5, the operation at remote console
Personnel can control liquid oxygen pump 1 and quick action emergency valve 4 simultaneously by control system 6 while power off, avoid liquid after having notice
Oxygen leaks.Present invention reduces discharges outside liquid oxygen during fill of liquid oxygen.
Embodiment two
It is provided in another embodiment in the present invention, the liquid in liquid oxygen entrucking security system and embodiment one in the present embodiment
Oxygen entrucking security system is similar, just repeats no more to something in common, only introduces difference.
It further include instrument wind shut-off valve 7 the invention particularly discloses liquid oxygen entrucking security system in the present embodiment.When urgent
When stop valve 4 is in energized state, instrument wind shut-off valve 7 is used to control the on-off of quick action emergency valve 4.Specifically, it is cut when promptly
Disconnected valve 4 be in electric slave mode when, the switch of quick action emergency valve 4 is controlled by the instrument wind of instrument wind shut-off valve 7, interior behaviour is logical
The remote console that DCS control system is crossed in master control room is manipulated.
It further, further include the first blow valve 8 the invention discloses liquid oxygen entrucking security system, the first blow valve 8
One end is mounted on the first oxygen therapy pipeline 3, and the entrance of the first blow valve 8 is connected with the outlet of liquid oxygen pump 1.In use, liquid oxygen
Pumped out through liquid oxygen pump 1, along the first oxygen therapy pipeline 3 until detected at the first blow valve 8 steam after the first blow valve 8 closed
It closes, completes the pre-cooling work of the first oxygen therapy pipeline 3 and entire liquid oxygen entrucking security system.
It further, further include third shut-off valve 9 the invention discloses liquid oxygen entrucking security system, third shut-off valve 9 is pacified
On the first oxygen therapy pipeline 3, and the entrance of third shut-off valve 9 is connected with the outlet of liquid oxygen pump 1, the outlet of third shut-off valve 9
It is connected with the entrance of quick action emergency valve 4.Third shut-off valve 9 is convenient for realizing the tune of the speed of liquid oxygen output by adjusting its aperture
It is whole.
It further, further include the 4th shut-off valve 10 and safety valve 11 the invention discloses liquid oxygen entrucking security system.
4th shut-off valve 10 is mounted on the first oxygen therapy pipeline 3, and the outlet of the entrance of the 4th shut-off valve 10 and liquid oxygen pump 1
The outlet guide of conducting, the entrance of safety valve 11 and the 4th shut-off valve 10, which leads to, to be connect.Safety valve 11 plays a security protection,
Pressure is excessive caused by avoiding the liquid oxygen in the first oxygen therapy pipeline 3 excessive causes danger, and extra liquid oxygen can be discharged in time.
It further, further include fast interface 12 the invention discloses liquid oxygen entrucking security system, fast interface 12 is installed
In the outlet end of the first oxygen therapy pipeline 3, and fast interface 12 with the entrance to loading liquid oxygen tank car for connecting.Fast interface 12
Use liquid oxygen entrucking security system connect with fast implementing to loading liquid oxygen tank car.
It further, further include that liquid oxygen storage tank 13, second cures by oxygen therapy pipeline 14 the invention discloses liquid oxygen entrucking security system
With the 5th shut-off valve 15.
It is connected between liquid oxygen storage tank 13 and liquid oxygen pump 1 by the second oxygen therapy pipeline 14, the 5th shut-off valve 15 is mounted on second
It cures by oxygen therapy on pipeline 14, for controlling the on-off between liquid oxygen storage tank 13 and liquid oxygen pump 1.Liquid oxygen storage tank 13 is for storing liquid oxygen.Tool
Body, liquid oxygen storage tank 13 is horizontal liquid oxygen storage tank 13, and the number of horizontal liquid oxygen storage tank 13 is two, volume 100m3。
It further, further include the 6th shut-off valve 16, the 6th shut-off valve 16 the invention discloses liquid oxygen entrucking security system
It is mounted on the second oxygen therapy pipeline 14, and between liquid oxygen storage tank 13 and the 5th shut-off valve 15, further increases liquid oxygen storage
Leakproofness between tank 13 and liquid oxygen pump 1.
It further, further include the second blow valve 17, the second blow valve 17 the invention discloses liquid oxygen entrucking security system
One end be mounted on the second oxygen therapy pipeline 14, and the entrance of the second blow valve 17 is connected with the entrance of liquid oxygen pump 1.
Liquid oxygen entrucking security system disclosed by the invention is in use, in use, open the 5th shut-off valve 15, the 6th shut-off valve
16, the second blow valve 17 and the first blow valve 8, when the liquid oxygen in liquid oxygen storage tank 13 enters liquid oxygen by the second oxygen therapy pipeline 14
1 is pumped, detects at the second blow valve 17 and closes the second blow valve 17 after steaming.Liquid oxygen continuation is flowed backward, straight through liquid oxygen pump 1
It detects to the first blow valve 8 and closes the first blow valve 8 after steaming, at this point, work is pre-chilled in entire liquid oxygen entrucking security system
It completes.Then, the 5th shut-off valve 15 and the 6th shut-off valve 16 are opened.It is then turned on liquid oxygen pump 1, is pressurizeed through liquid oxygen pump 1
It sends outside to loading liquid oxygen tank car, completes liquid oxygen by liquid oxygen storage tank 13 to the conveying to loading liquid oxygen tank car.
When abnormal leakage occurs for scene, not only interior behaviour personnel can be exported liquid oxygen pump 1 by DCS control system tight
Anxious stop valve 4 closes entirely.Entrucking care provider again may be by the quick action emergency valve 4 that live emergency button 5 exports liquid oxygen pump 1
Quan Guan.In this way, DCS control system and live emergency button 5 constitute the dual fail-safe of liquid oxygen entrucking process.
The present invention interlocks liquid oxygen pump 1 and the setting of quick action emergency valve 4: only when quick action emergency valve 4 it is electric controlled after, it is just fair
Perhaps liquid oxygen pump 1 starts, and when quick action emergency valve 4 is in power failure state, outer behaviour personnel can not start liquid oxygen pump 1.Meanwhile when urgent
4 power loss Quan Guanhou of stop valve, liquid oxygen pump 1 have a power failure automatically.
" first " in the present invention, " second " etc. are to be distinguished in description, without others particular meanings.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and inventive features phase
Consistent widest scope.
Claims (9)
1. a kind of liquid oxygen entrucking security system, including liquid oxygen pump (1), the first shut-off valve (2) and the first oxygen therapy pipeline (3), described
Described in the outlet of liquid oxygen pump (1) first oxygen therapy pipeline (3), it is described first oxygen therapy pipeline (3) outlet can with wait load
Connection is connected in the entrance of liquefied oxygen tank vehicle, and first shut-off valve (2) is mounted in first oxygen therapy pipeline (3), and feature exists
In the liquid oxygen entrucking security system further includes quick action emergency valve (4), live emergency button (5) and control system (6)；
The quick action emergency valve (4) is mounted in first oxygen therapy pipeline (3), and the quick action emergency valve (4) is positioned at described
It is described between the outlet of liquid oxygen pump (1) and the entrance of first shut-off valve (2), and when the quick action emergency valve (4) obtain electric
Quick action emergency valve (4) conducting, when the quick action emergency valve (4) power-off, the quick action emergency valve (4) is disconnected；
The scene emergency button (5) is for controlling the liquid oxygen pump (1) and the quick action emergency valve (4) power on/off simultaneously；
The control system (6) is mounted at remote console, for remotely controlling liquid oxygen pump (1) and the quick action emergency valve
(4) power on/off while.
2. liquid oxygen entrucking security system according to claim 1, which is characterized in that further include instrument wind shut-off valve (7)；
When the quick action emergency valve (4) is in energized state, the instrument wind shut-off valve (7) is for controlling the emergency cut-off
The on-off of valve (4).
3. liquid oxygen entrucking security system according to claim 1, which is characterized in that further include the first blow valve (8)；
One end of first blow valve (8) is mounted in first oxygen therapy pipeline (3), and first blow valve (8)
Entrance is connected with the outlet of the liquid oxygen pump (1).
4. liquid oxygen entrucking security system according to claim 3, which is characterized in that further include third shut-off valve (9)；
The third shut-off valve (9) be mounted on it is described first oxygen therapy pipeline (3) on, and the entrance of the third shut-off valve (9) with
The outlet of the liquid oxygen pump (1) is connected, and the outlet of the third shut-off valve (9) is connected with the entrance of the quick action emergency valve (4).
5. liquid oxygen entrucking security system according to claim 4, which is characterized in that further include the 4th shut-off valve (10) and peace
Full valve (11)；
4th shut-off valve (10) is mounted in first oxygen therapy pipeline (3), and the entrance of the 4th shut-off valve (10)
It is connected with the outlet of the liquid oxygen pump (1)；
The entrance of the safety valve (11) and the outlet guide of the 4th shut-off valve (10), which lead to, to be connect.
6. liquid oxygen entrucking security system according to claim 1, which is characterized in that further include fast interface (12)；
The fast interface (12) is mounted on the outlet end of first oxygen therapy pipeline (3), and the fast interface (12) is used for
It is connect with the entrance to loading liquid oxygen tank car.
7. liquid oxygen entrucking security system described in any one of -6 according to claim 1, which is characterized in that further include liquid oxygen storage
Tank (13), the second oxygen therapy pipeline (14) and the 5th shut-off valve (15)；
It is connected between the liquid oxygen storage tank (13) and the liquid oxygen pump (1) by second oxygen therapy pipeline (14), the described 5th
Shut-off valve (15) is mounted in second oxygen therapy pipeline (14).
8. liquid oxygen entrucking security system according to claim 7, which is characterized in that further include the 6th shut-off valve (16)；
6th shut-off valve (16) is mounted in second oxygen therapy pipeline (14), and is located at the liquid oxygen storage tank (13) and institute
It states between the 5th shut-off valve (15).
9. liquid oxygen entrucking security system according to claim 7, which is characterized in that further include the second blow valve (17)；
One end of second blow valve (17) is mounted in second oxygen therapy pipeline (14), and second blow valve (17)
Entrance be connected with the entrance of the liquid oxygen pump (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328965.6A CN110030495A (en) | 2019-04-23 | 2019-04-23 | A kind of liquid oxygen entrucking security system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328965.6A CN110030495A (en) | 2019-04-23 | 2019-04-23 | A kind of liquid oxygen entrucking security system |
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| Publication Number | Publication Date |
|---|---|
| CN110030495A true CN110030495A (en) | 2019-07-19 |
Family
ID=67239831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910328965.6A Pending CN110030495A (en) | 2019-04-23 | 2019-04-23 | A kind of liquid oxygen entrucking security system |
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| CN (1) | CN110030495A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649231A (en) * | 2020-06-02 | 2020-09-11 | 扬州秦风气体有限公司 | Liquid vehicle filling system for air separation system |
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| CN2750169Y (en) * | 2004-10-26 | 2006-01-04 | 杨小强 | Liquefied petroleum gas loading platform remote safety control apparatus |
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Application publication date: 20190719 |