CN105423120B - A kind of long-tube trailer and its emergency shutoff device - Google Patents
A kind of long-tube trailer and its emergency shutoff device Download PDFInfo
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- CN105423120B CN105423120B CN201410485640.6A CN201410485640A CN105423120B CN 105423120 B CN105423120 B CN 105423120B CN 201410485640 A CN201410485640 A CN 201410485640A CN 105423120 B CN105423120 B CN 105423120B
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- cutting
- gas
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- 241000009298 Trigla lyra Species 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000007423 decrease Effects 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 63
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 13
- 229910000743 fusible alloy Inorganic materials 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 239000002775 capsule Substances 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000010992 reflux Methods 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000001535 kindling effect Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Abstract
A kind of long-tube trailer and its emergency shutoff device, long-tube trailer include tube skid and walking mechanism, are equipped with external pipeline on tube skid；Emergency shutoff device includes air accumulator, stop valve, at least one cutting control valve and cutting control piper；The non-flammable compressive gas of certain pressure is filled in air accumulator, cutting control piper is connected to air accumulator；Cutting control valve is installed on cutting control piper, and stop valve is connected to cutting control piper, stop valve connection control external pipeline；When cutting control valve is both turned on, cutting control piper inflation, then stop valve, which is pressurized, is connected external pipeline；In the case where cutting off control piper inflated condition, cutting control valve is controlled be vented outwards after, cutting control piper gas pressure decline, then the stop valve return cuts off the external pipeline.It is the gas that adds high pressure when needing to be connected external pipeline, so in case of emergency emergency cut-off can be carried out by pressure release.
Description
Technical field
The present invention relates to transport gas long-tube trailer pipeline control technology more particularly to it is a kind of can be in emergency situations
Manually or automatically cut off the long-tube trailer and its emergency shutoff device of external pipeline.
Background technique
Currently, long-tube trailer has been widely applied, it is mainly used for loading the high pressure compressed gas such as natural gas, hydrogen, helium.
Long-tube trailer is generally made of tube skid and walking mechanism.Tube skid is made of more big volume gas cylinder, and in front and back end
Qian Cang and rear storehouse is respectively set.Safety relief device is generally only arranged in the general installation pipeline in storehouse and external connection mouth, preceding storehouse afterwards.
Pipeline structure is usually that sub-bottle valve is arranged in each gas cylinder end, and setting summarizes valve and external connection after being summarized with pipeline
Mouthful, general not set emergency shutoff device.In this way, the long-tube trailer of the media such as some hydrogen, natural gas, if main line meets with
To impact damage or fire etc., it will cause gas a lot of leakage and form the danger such as explosion.
Summary of the invention
Main problem to be solved by this invention is: the problem of existing long-tube trailer pipe-line system safety deficiency.
The invention solves peripheral issue be, in the case of fire, control piper cutting device can give birth to failure, no
It can normal controlled problem.
The technical scheme adopted by the invention is that: a kind of emergency shutoff device of long-tube trailer, the long-tube trailer are provided
Including tube skid and walking mechanism, external pipeline is installed on the tube skid；The emergency shutoff device includes gas storage
Tank, stop valve, at least one cutting control valve and cutting control piper；The not combustion gas of certain pressure is filled in the air accumulator
Body, the cutting control piper are connected to the air accumulator；The cutting control valve is installed on the cutting control piper, institute
It states stop valve to be connected to the cutting control piper, the stop valve connection controls the external pipeline；When the cutting controls
When valve is both turned on, the cutting control piper inflation, then the stop valve, which is pressurized, is connected the external pipeline；It is controlled in the cutting
Under the inflated condition of tubulation road, the cutting control valve is controlled be vented outwards after, cutting control piper gas pressure decline, then
The stop valve return cuts off the external pipeline.
It is connected to according to above-mentioned design, between the cutting control piper and the stop valve by a fusible pipe or institute
Stating cutting control piper is fusible pipe.When kindling, fusible pipe can melt first, so that gas in cutting control piper be unloaded
Out, gas stop valve is automatically closed.
According to above-mentioned design, the cutting control piper is connected to an external gas source pipeline by a check valve, using described
External gas source pipeline described in check valve is only capable of supplying to the cutting control piper, the external gas source pipeline and the stop valve
Between pipeline on also have at least one cutting control valve.Extraneous gas can be utilized in air accumulator when gas pressure deficiency
The conducting of external pipeline is carried out, unloads operation normally fill.Meanwhile still there is manually or automatically urgent under this situation
Cutting function.Improve the applicability of emergency shutoff device.
According to above-mentioned design, the tube skid front and back end is respectively set to Qian Cang and rear storehouse, and the air accumulator is installed on
The preceding storehouse, the external pipeline are installed on the rear storehouse.The control gas source of emergency shutoff device is put in safe preceding storehouse, energy
Guarantee preferably to play a role under the various states of emergency shutoff device, the manual operator that can also facilitate emergency cut-off to act is remote
From danger, controllability is improved.
According to above-mentioned design, the external pipeline includes summarizing pipeline, main control valve and medium external interface, the gathering tube
Road is connected to each gas cylinder end, and the pipeline other end that summarizes is connected to the main control valve, and the main control valve is connected to medium external interface；
The stop valve is installed on the gathering tube road.Cutoff action is carried out before main control valve, guarantees cutoff action validity.
According to above-mentioned design, the cutting control piper corresponds to the walking mechanism friction of motion component and is equipped with easy fusion
Jin Sai.Dynamic friction component can be the tire of long-tube trailer, if causing fusible alloy to melt when long-tube trailer tyre catching fire, cutting
Gas in control piper is drawn off, so that stop valve is automatically closed.
According to above-mentioned design, the cutting control valve, which has, is located at the Qian Cang and at least one the cutting control of rear storehouse
Valve.
According to above-mentioned design, the air accumulator gas outlet is equipped with the control valve that control is switched on or switched off, before described
The cutting control valve in storehouse is two for being serially connected in the cutting control piper, the two cutting control valves are located at the preceding storehouse
Two outside.Manually or remotely can two sides Qian Cang from long-tube trailer far from rear storehouse realize.
According to above-mentioned design, it is also equipped with a check valve outside the air accumulator gas outlet, to prevent gas backstreaming.
According to above-mentioned design, the cutting control valve is two-bit triplet control valve manually and/or remotely, is all had
One exhaust outlet access.
According to above-mentioned design, the easy fusing alloy plug includes three-way piece and fusible alloy, the cutting control piper difference
It is connected on two main interface of three-way piece, is normally supplied gas by the access in the three-way piece；And by the three-way piece
Road fills the fusible alloy and is closed.
According to above-mentioned design, the easy fusing alloy plug further includes an interface, and the access of the interface is by the easy fusion
Gold closing, the interface removably close the bypass for being connected to the three-way piece.After fusible alloy is melt through, can directly it remove
It is changed to new interface.It can be convenient for timely, quickly replacement.
The present invention provides a kind of long-tube trailer, is equipped with foregoing emergency shutoff device.
The beneficial effect of the present invention compared with the existing technology is, increases emergency shutoff device in pipeline structure.Outside
It takes over road and installs pneumatic cut-off valve additional, gas source is different from the prior art from the air accumulator being loaded on long-tube trailer, control mode
Pressurization carry out the usual way of cutoff action, be the gas that adds high pressure when needing to be connected external pipeline, so urgent encountering
When situation, emergency cut-off can be carried out by pressure release.In this way, due to pressure release mode there are many kinds of, it can manually or remotely control
Pressure release processed can also be carried out automatically controlling by way of fusing automatically, even if without finding danger immediately, device can also be into
Row automatically controls, and in rear storehouse, kindling or tyre catching fire etc. in emergency circumstances, may be implemented the cutting of pipeline medium, prevent inflammable gas
Bigger danger caused by being unloaded outside a large amount of.
Detailed description of the invention
Fig. 1 is the pipeline structure schematic diagram of emergency shutoff device of the embodiment of the present invention.
Fig. 2 is the easy fusing alloy plug structural schematic diagram of emergency shutoff device of the embodiment of the present invention.
Wherein, 1. check valve, 2. check valves, 3. air accumulators, 4. cutting control valves, 5. cutting control valves, 6. connecting lines,
7. easy fusing alloy plug, 71 three-way pieces, 72 interfaces, 73 fusible alloys, 8. cutting control valves, 9. summarize pipeline, 10. fusible pipes,
11. stop valve, 12. main control valves, 13. medium external interfaces, 14. external gas source pipelines, 15. control valves.
Specific embodiment
The exemplary embodiments for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that this
Invention can have various variations in different embodiments, neither depart from the scope of the present invention, and it is therein explanation and
Diagram inherently is illustrated as being used, rather than to limit the present invention.
The present invention provides a kind of emergency shutoff device of long-tube trailer, and long-tube trailer includes tube skid and walking mechanism
(not shown) is equipped with external pipeline referring to Fig.1, on tube skid and (summarizes pipeline 9, main control valve including subsequent introduction
12 and medium external interface 13).Emergency shutoff device includes at least air accumulator 3, stop valve 11, cutting control in the embodiment of the present invention
Valve (control valve 4,5,8 can be turned off) processed and cutting control piper 6.
As seen from Figure 1, tube skid front and back end is respectively set to preceding storehouse q and rear storehouse h, and air accumulator 3 is installed on preceding storehouse
Q, external pipeline are installed on rear storehouse h.Cutting control valve, which has, is located at preceding storehouse q and rear storehouse h cutting control valve 4,5,8.It is located at
The cutting control valve 4,5 of preceding storehouse q is two for being serially connected in cutting control piper 6, is located at two outsides of preceding storehouse q.Cutting control
Valve 4,5,8 processed can be two-bit triplet control valve manually and/or remotely, all have an exhaust outlet access.
External pipeline includes summarizing pipeline 9, main control valve 12 and medium external interface 13, summarizes pipeline 9 and is connected to each gas cylinder end
Portion, summarizes 9 other end of pipeline connection main control valve 12, and main control valve 12 is connected to medium external interface 13.Stop valve 11 is preferably mounted in
Summarize on pipeline 9, can be multiple on each branch pipe, is also possible to one positioned at main pipe road.
The non-flammable compressive gas of certain pressure is filled in air accumulator 3, cutting control piper 6 is connected to air accumulator 3, and air accumulator goes out
Port is equipped with the control valve that control is switched on or switched off, and is also equipped with a check valve outside air accumulator gas outlet, to prevent gas from returning
Stream.Air accumulator 3 provides the power of pneumatic control for entire emergency shutoff device.Certain pressure can be filled with not in air accumulator 3
Combustion gas body.Non-flammable compressive gas refers to incombustible gas, so can be filled with the air, nitrogen or indifferent gas of certain pressure in air accumulator
Body etc..Gas pressure range is can be controlled between 0.5-1.2MPa.Air accumulator 3 can directly outsourcing nitrogen cylinder, Ke Yifang
Just it and quickly replaces.
Wherein, as shown in Figure 1, cutting control piper 6 is connected between air accumulator 3 and stop valve 11, for stop valve 11
There is provided pneumatic control power, it is herein pneumatic control valve that corresponding stop valve 11, which is the stop valve of a pneumatic control, be by
After operation handle on ball valve is removed, a pneumatic head is installed, pneumatic head connects the gas source of extraneous certain pressure to control ball valve
Opening and closing.It is installed on cutting control piper 6 with multiple cutting control valves 4,5,8, stop valve 11 and cutting control piper 6 connect
It is logical, the connection control external pipeline of stop valve 11.Cutting control valve 4,5,8 is both turned under normal circumstances, and cutting control piper 6 can be into
Row inflation, then external pipeline can be connected by pressure control in stop valve 11, at this moment can fill unloading operation.
And when facing a danger, after any one cutting control valve 4,5 or 8 being vented outwards, since cutting controls
The not no control pressure of gas of pipeline 6, then 11 return of stop valve, cuts off the connected state of external pipeline, pipeline structure phase
When in again added together ensure, prevent the leakage of gas.Need to fill unload operation when, the cutting control valve 4,5 or 8 that is vented outwards
Restore on state, then be charged to the nitrogen or compressed air of certain pressure into cutting control piper 6, stop valve 11 can be opened
External pipeline.The setting of stop valve 11, which will not influence normally to fill, unloads operation.
Here, cutting off between control piper 6 and stop valve 11 can be connected to by a fusible pipe 10, and fusible pipe 10 is located at
Afterwards in the control box of storehouse, fusible pipe 10 can be non-metallic material expects pipe, such as the pipe fitting of plastic tube or other non-refractories, can also
To be the hoses such as rubber tube or low-melting aluminum pipe etc..Alternatively, fusible pipe can also be selected to make entire cutting control piper 6
Make, in this way when any one encounters high temperature, stop valve 11 can cut off external pipeline at any time.
As shown in Figure 1, cutting control piper 6 can also be connected to an external gas source pipeline 14 by a check valve 1, using unidirectional
1 external gas source pipeline 14 of valve is only capable of supplying to cutting control piper 6, while will not release outward and cut off gas in control piper 6.
Also to have at least one cutting control valve on pipeline between external gas source pipeline 14 and stop valve 11 (is three in embodiment
It is a, be turned off respectively control valve 4,5,8), in order to which such case can still provide for automatic emergency cut-off.The embodiment of the present invention with
External gas source pipeline 14 can carry out the conducting of external pipeline using extraneous gas in air accumulator 3 when gas pressure deficiency, with
Normally fill and unloads operation.Meanwhile still with urgent cutting function manually or automatically under this situation.
It is mountable above the corresponding walking mechanism tire of cutting control piper 6 to have easy fusing alloy plug 7.Easy fusing alloy plug 7 is installed
Embodiment can be as shown in Fig. 2, a three-way piece 71 can be connected on cutting control piper 6, and cutting control piper 6 is connected to three
On 71 liang of main interfaces of parts, normally supplied gas by the access 711 in three-way piece 71, and another bypass of three-way piece 71 can be direct
It is closed by fusible alloy 73, it can also be as shown, being closed by an access by the closed interface 72 of fusible alloy 73, when easy
After fusion gold 73 is melt through, it can directly remove and be changed to new interface 72.It can be convenient for timely, quickly replacement.
71 ontology of three-way piece can be stainless steel or carbon steel material, and 73 ingredient of fusible alloy can refer to GB8337-1996 " gas cylinder
With easy fusing alloy plug " standard be lead, tin, cadmium, bismuth.Fusing point can be different and different with several alloy proportions.Fusible alloy 73 is not
The circulation of pipeline gas is not influenced when fusing, if fusing, forms channel, gas in control piper 6 is cut off and draws off.
Easy fusing alloy plug 7 is installed on the top position of long-tube trailer tire, and structure does not influence the flowing of gas usually.Such as
Fruit tire has phenomenon on fire, then fusible alloy melts, and the gas cut off in control piper 6 is drawn off, then stop valve 11 is closed.
With reference to Fig. 1, the mode of operation of emergency shutoff device is described as follows in the embodiment of the present invention, and stop valve 11 is dragged in long tube
Should be at closed state in vehicle driving process, can by pull cutting control valve 4,5,8 by connecting line 6 nitrogen (or
Compressed air) it lays down, so that stop valve 11 be closed.
When long-tube trailer fills and unloads operation, medium external interface 13 is connect with external hose, and equipment main control valve 12 is in and opens
State is opened, stop valve 11 is in the open state.Nitrogen or compressed air are provided by air accumulator 3 or external gas source pipeline 14.Outside
When connecing gas source, nitrogen (or compressed air) control valve 15 is opened.It cuts off and check valve 1 and 2 purpose of check valve is set in control piper 6
It is the adverse current for avoiding gas.
If fill unload operation when after storehouse h kindling or when other emergencies, rear storehouse h not accessible, then by pulling length
The two-position three-way valve (cutting control valve 4 or 5) at the both ends pipe trailer preceding storehouse q closes stop valve 11.To ensure that hydrogen (or its
Its inflammable gas) it will not largely leak and cause the bigger accident such as catch fire or explode.
Unless limited otherwise, term used herein is the normally understood meaning of those skilled in the art.Institute of the present invention
The embodiment of description is merely for exemplary purpose, and the protection scope being not intended to limit the invention, those skilled in the art can
Various other replacements, changes and improvements are made within the scope of the invention, thus, the present invention is not limited to the above embodiments, and
Only it is defined by the claims.
Claims (9)
1. a kind of emergency shutoff device of long-tube trailer, the long-tube trailer includes tube skid and walking mechanism, the packaging
External pipeline is installed in tube bank；It is characterized in that, the emergency shutoff device includes air accumulator, stop valve, at least one cuts
Disconnected control valve and cutting control piper；
The non-flammable compressive gas of certain pressure is filled in the air accumulator, the cutting control piper is connected to the air accumulator；
The cutting control valve is installed on the cutting control piper, and the stop valve is connected to the cutting control piper,
The stop valve connection controls the external pipeline；
When the cutting control valve is both turned on, the cutting control piper inflation, then the stop valve, which is pressurized, is connected outside described
Take over road；Under the cutting control piper inflated condition, the cutting control valve is controlled be vented outwards after, cutting control
The decline of pipeline gas pressure, then the stop valve return cuts off the external pipeline,
The tube skid front and back end is respectively set to Qian Cang and rear storehouse, and the air accumulator is installed on the preceding storehouse, described external
Pipeline is installed on the rear storehouse, and the cutting control valve, which has, is located at the Qian Cang and at least one the cutting control of rear storehouse
Valve；
The air accumulator is nitrogen cylinder, is connected between the cutting control piper and the stop valve by a fusible pipe, institute
State fusible pipe setting storehouse after described；
The cutting control piper is connected to an external gas source pipeline by a check valve；Using the check valve, the external gas
Source capsule road is only capable of supplying to the cutting control piper；It is also equipped with a check valve outside the air accumulator gas outlet, to prevent gas
Body reflux.
2. emergency shutoff device as described in claim 1, which is characterized in that the external gas source pipeline and the stop valve it
Between pipeline on also have at least one cutting control valve.
3. emergency shutoff device as described in claim 1, which is characterized in that the external pipeline includes summarizing pipeline, master control
Valve and medium external interface, described to summarize each gas cylinder end of pipeline connection, the pipeline other end that summarizes is connected to the main control valve,
The main control valve is connected to medium external interface；The stop valve is installed on the gathering tube road.
4. emergency shutoff device as described in claim 1, which is characterized in that the cutting control piper corresponds to the vehicle with walking machine
The friction of motion component of structure is equipped with easy fusing alloy plug.
5. emergency shutoff device as claimed in claim 4, which is characterized in that the easy fusing alloy plug includes three-way piece and meltable
Alloy, the cutting control piper are connected on two main interface of three-way piece, by the access in the three-way piece into
Row is normally supplied gas；And the three-way piece bypass fills the fusible alloy and is closed.
6. emergency shutoff device as claimed in claim 5, which is characterized in that the easy fusing alloy plug further includes an interface,
The access of the interface is closed by the fusible alloy, and the interface removably closes the bypass for being connected to the three-way piece.
7. emergency shutoff device as described in claim 1, which is characterized in that the air accumulator gas outlet is equipped with control and connects
Or the control valve disconnected, the cutting control valve positioned at the preceding storehouse are two for being serially connected in the cutting control piper, the two
Cutting control valve is located at two outsides in the preceding storehouse.
8. emergency shutoff device as claimed in claim 7, which is characterized in that the cutting control valve is manually and/or long-range
The two-bit triplet control valve of control all has an exhaust outlet access.
9. a kind of long-tube trailer is equipped with emergency shutoff device as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410485640.6A CN105423120B (en) | 2014-09-22 | 2014-09-22 | A kind of long-tube trailer and its emergency shutoff device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410485640.6A CN105423120B (en) | 2014-09-22 | 2014-09-22 | A kind of long-tube trailer and its emergency shutoff device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105423120A CN105423120A (en) | 2016-03-23 |
| CN105423120B true CN105423120B (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410485640.6A Active CN105423120B (en) | 2014-09-22 | 2014-09-22 | A kind of long-tube trailer and its emergency shutoff device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325398A (en) * | 1998-05-20 | 1999-11-26 | Tokin Corp | Safety device for gas cylinder |
| CN201764250U (en) * | 2010-05-16 | 2011-03-16 | 荆门宏图特种飞行器制造有限公司 | Liquefied gas semitrailer pneumatically-controlled safety operating mechanism |
| CN202046240U (en) * | 2011-05-19 | 2011-11-23 | 张家港中集圣达因低温装备有限公司 | Tank semi-trailer used for transporting low-temperature liquid |
| CN202946920U (en) * | 2012-09-04 | 2013-05-22 | 石家庄安瑞科气体机械有限公司 | Emergency switching-off system of liquefied natural gas tank container |
| CN203810044U (en) * | 2014-04-15 | 2014-09-03 | 上海市特种设备监督检验技术研究院 | Safety relief device for gas cylinder firing test |
-
2014
- 2014-09-22 CN CN201410485640.6A patent/CN105423120B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325398A (en) * | 1998-05-20 | 1999-11-26 | Tokin Corp | Safety device for gas cylinder |
| CN201764250U (en) * | 2010-05-16 | 2011-03-16 | 荆门宏图特种飞行器制造有限公司 | Liquefied gas semitrailer pneumatically-controlled safety operating mechanism |
| CN202046240U (en) * | 2011-05-19 | 2011-11-23 | 张家港中集圣达因低温装备有限公司 | Tank semi-trailer used for transporting low-temperature liquid |
| CN202946920U (en) * | 2012-09-04 | 2013-05-22 | 石家庄安瑞科气体机械有限公司 | Emergency switching-off system of liquefied natural gas tank container |
| CN203810044U (en) * | 2014-04-15 | 2014-09-03 | 上海市特种设备监督检验技术研究院 | Safety relief device for gas cylinder firing test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105423120A (en) | 2016-03-23 |
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