CN104295893A - Safe low-temperature liquid conveying and storage tank - Google Patents
Safe low-temperature liquid conveying and storage tank Download PDFInfo
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- CN104295893A CN104295893A CN201410557612.0A CN201410557612A CN104295893A CN 104295893 A CN104295893 A CN 104295893A CN 201410557612 A CN201410557612 A CN 201410557612A CN 104295893 A CN104295893 A CN 104295893A
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Abstract
The invention discloses a safe low-temperature liquid conveying and storage tank. Safety valves (SV1 and SV2), a pressurization pipeline safety valve (SV3) and a liquid-phase pipeline safety valve (SV4) as well as a pressurization emergency cut-off valve (EV1), a gas-phase emergency cut-off valve (EV3) and a liquid-phase emergency cut-off valve (EV2) jointly form double protection for the conveying and storage tank. Moreover, the pressurization emergency cut-off valve (EV1), the gas-phase emergency cut-off valve (EV3) and the liquid-phase emergency cut-off valve (EV2) are all connected with an emergency cut-off control valve (AV) so as to realize the common control of the cut-off valves, enhance the safety performance and facilitate operation management.
Description
Technical field
The invention belongs to cryogenic liquid tank technical field, particularly relate to a kind of cryogenic liquide possessing multiple protection measure and transport basin safely.
Background technique
Cryogenic liquide generally refers to the liquid gas under atmospheric pressure with less than-100 DEG C boiling points, so cryogenic liquide has the characteristic of lower boiling point, larger expansibility, stronger hygroscopicity, Strong oxdiative, basin is made to there is the potential risks such as explosive, leakage, superpressure, blast, so the Security of cryogenic liquid tank in transport and conveying gas process more and more receives the concern of people.Current transport basin is only provided with simple safety protection device; thoroughly cannot stop the danger situation occurred in the process of gas transmission and transport; and; most of safety protection valve system does not carry out unifying to control; and only have one control valve, often occur because staff's misoperation and improper operation cause the generation of danger situation.
Summary of the invention
The invention provides a kind of cryogenic liquide and transport basin safely; simple safety protection device is only provided with to solve transport basin at present; and most of safety protection valve system does not carry out unifying to control; and only have one control valve, thus thoroughly cannot stop the technical problem of the danger situation occurred in the process of gas transmission and transport.
Technological scheme: a kind of cryogenic liquide transports basin safely, the top of described transport basin is provided with gas phase pipeline and top water influent pipeline, described transport tank bottom is provided with bottom fluid pipeline, wherein, described gas phase pipeline is communicated with gas phase mouth through gas phase pipeline diffusion valve by two safety valves be set up in parallel, and described bottom fluid pipeline is connected with liquid entrance through liquid phase pipeline diffusion valve by liquid phase pipeline safety valve; Described gas phase pipeline is also communicated with described gas phase mouth through gas valve by gas phase Emergeny Cutoff Valves, and described bottom fluid pipeline is also connected with described liquid entrance through bottom liquid valve by liquid phase Emergeny Cutoff Valves; Described gas phase Emergeny Cutoff Valves is all connected with emergency cut-off control gear with described liquid phase Emergeny Cutoff Valves.
Further, described transport tank bottom is also provided with pressure piping, described pressure piping is communicated with pressurized machine mouth through pressure piping diffusion valve by pressure piping safety valve, and described pressure piping is also connected with described pressurized machine mouth through pressure charging valve by supercharging Emergeny Cutoff Valves.For pressurized machine provides duplicate protection.
Further, described supercharging Emergeny Cutoff Valves is connected with described emergency cut-off control gear by same pipeline with described gas phase Emergeny Cutoff Valves, described liquid phase Emergeny Cutoff Valves.Use unified cut-off valve with described gas phase mouth and liquid entrance, while possessing duplicate protection, improve Security, convenient operation.
Further, described gas phase pipeline is also connected with relief opening through flame trap by equipment atmospheric valve.
Further, the pipeline between described equipment atmospheric valve and described flame trap also arranges draining branch road, and described draining branch road is connected with drain opening through drain valve.
Wherein, described top water influent pipeline is connected with described liquid entrance with top liquid feed valve through low temperature safety check successively.
Further, the top of described transport basin is also provided with overflow passage, and described overflow passage is connected with flow-off through relief valve.
The beneficial effect that the present invention brings: safety valve, pipeline safety valve; and Emergeny Cutoff Valves forms the duplicate protection of transport basin; and each Emergeny Cutoff Valves unification is controlled by emergency cut-off control valve; efficiently avoid the danger situation occurred in gas transmission and transportation process; improve the Safety performance of transport basin; be convenient to unified management and operation, save production cost.
Accompanying drawing explanation
Fig. 1 is the pipeline schematic flow sheet that a kind of cryogenic liquide of the present invention transports basin safely.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further detailed.
In some illustrative embodiments, as shown in Figure 1, provide a kind of cryogenic liquide to transport basin safely, the top of described transport basin is provided with gas phase pipeline B and top water influent pipeline A2, and described transport tank bottom is provided with bottom fluid pipeline A1.
Wherein, described gas phase pipeline B is by three-way valve V8, be connected with gas phase mouth through gas phase pipeline diffusion valve V11 after safety valve SV1, SV2 of being set up in parallel with two are communicated with, described gas phase pipeline B is also communicated with described gas phase mouth through gas valve V5 by gas phase Emergeny Cutoff Valves EV3.
Wherein, described bottom fluid pipeline A1 is connected with liquid phase pipeline safety valve SV4, described liquid phase pipeline safety valve SV4 is connected with liquid entrance by liquid phase pipeline diffusion valve V10, and described bottom fluid pipeline A1 is also connected with described liquid entrance through bottom liquid valve V2 by liquid phase Emergeny Cutoff Valves EV2.
Thus, described safety valve SV1, SV2, liquid phase pipeline safety valve SV4, and described gas phase Emergeny Cutoff Valves EV3 and liquid phase Emergeny Cutoff Valves EV2 forms the duplicate protection of described transport basin jointly.Further, described gas phase Emergeny Cutoff Valves EV3 is all connected with emergency cut-off control gear AV with described liquid phase Emergeny Cutoff Valves EV2, achieves the same control of cut-off valve, improves Safety performance, and convenient operation manages.
In some illustrative embodiments, as shown in Figure 1, described transport tank bottom is also provided with pressure piping F, after described pressure piping F is connected with pressure piping safety valve SV3, communicated with pressurized machine mouth by pressure piping diffusion valve V9, further, described pressure piping F is also connected with described pressurized machine mouth through pressure charging valve V1 by supercharging Emergeny Cutoff Valves EV1.Described pressure piping safety valve SV3 and supercharging Emergeny Cutoff Valves EV1 provides duplicate protection for described pressure piping F.
In some illustrative embodiments, as shown in Figure 1, described gas phase Emergeny Cutoff Valves EV3, liquid phase Emergeny Cutoff Valves EV2 and supercharging Emergeny Cutoff Valves EV1 are undertaken unifying to control by emergency cut-off control gear AV by same pipeline.Improve Safety performance, convenient operation manages.
In some illustrative embodiments, as shown in Figure 1, described gas phase pipeline B is also connected with relief opening by equipment atmospheric valve V6, is also provided with flame trap FA between described equipment atmospheric valve V6 and relief opening, increases Safety performance.Further, the pipeline between described equipment atmospheric valve V6 and described flame trap FA separates and is provided with draining branch road, and described draining branch road is connected with drain opening through drain valve V12.
In some illustrative embodiments, as shown in Figure 1, described top water influent pipeline A2 is connected with described liquid entrance with top liquid feed valve V4 through low temperature safety check V3 successively, forms liquid-phase loop.
In some illustrative embodiments, as shown in Figure 1, the top of described transport basin is also provided with overflow passage C, and described overflow passage C is connected with flow-off through relief valve V7, to tackle the generation of overflow situation.
Above-described embodiment is the present invention's preferably mode of execution; but embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present invention and principle under the change made; modify; substitute, combination, simplify; all should be the substitute mode of equivalence, all should be included in protection scope of the present invention.
Claims (7)
1. cryogenic liquide transports a basin safely, and the top of described transport basin is provided with gas phase pipeline and top water influent pipeline, and described transport tank bottom is provided with bottom fluid pipeline, it is characterized in that,
Described gas phase pipeline is communicated with gas phase mouth through gas phase pipeline diffusion valve by two safety valves be set up in parallel, and described bottom fluid pipeline is connected with liquid entrance through liquid phase pipeline diffusion valve by liquid phase pipeline safety valve;
Described gas phase pipeline is also communicated with described gas phase mouth through gas valve by gas phase Emergeny Cutoff Valves, and described bottom fluid pipeline is also connected with described liquid entrance through bottom liquid valve by liquid phase Emergeny Cutoff Valves;
Described gas phase Emergeny Cutoff Valves is all connected with emergency cut-off control gear with described liquid phase Emergeny Cutoff Valves.
2. a kind of cryogenic liquide according to claim 1 transports basin safely, it is characterized in that, described transport tank bottom is also provided with pressure piping, described pressure piping is communicated with pressurized machine mouth through pressure piping diffusion valve by pressure piping safety valve, and described pressure piping is also connected with described pressurized machine mouth through pressure charging valve by supercharging Emergeny Cutoff Valves.
3. a kind of cryogenic liquide according to claim 2 transports basin safely, it is characterized in that, described supercharging Emergeny Cutoff Valves is connected with described emergency cut-off control gear by same pipeline with described gas phase Emergeny Cutoff Valves, described liquid phase Emergeny Cutoff Valves.
4. a kind of cryogenic liquide according to claim 1 transports basin safely, it is characterized in that, described gas phase pipeline is also connected with relief opening through flame trap by equipment atmospheric valve.
5. a kind of cryogenic liquide according to claim 4 transports basin safely, it is characterized in that, the pipeline between described equipment atmospheric valve and described flame trap also arranges draining branch road, and described draining branch road is connected with drain opening through drain valve.
6. a kind of cryogenic liquide according to claim 1 transports basin safely, it is characterized in that, described top water influent pipeline is connected with described liquid entrance with top liquid feed valve through low temperature safety check successively.
7. a kind of cryogenic liquide according to claim 1 transports basin safely, it is characterized in that, the top of described transport basin is also provided with overflow passage, and described overflow passage is connected with flow-off through relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557612.0A CN104295893B (en) | 2014-10-20 | 2014-10-20 | A kind of cryogenic liquid transports basin safely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557612.0A CN104295893B (en) | 2014-10-20 | 2014-10-20 | A kind of cryogenic liquid transports basin safely |
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| Publication Number | Publication Date |
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| CN104295893A true CN104295893A (en) | 2015-01-21 |
| CN104295893B CN104295893B (en) | 2016-07-06 |
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| CN201410557612.0A Expired - Fee Related CN104295893B (en) | 2014-10-20 | 2014-10-20 | A kind of cryogenic liquid transports basin safely |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464904A (en) * | 2023-06-12 | 2023-07-21 | 浙江大学 | Vehicle-mounted liquid hydrogen heat-insulating storage container and liquid hydrogen filling method thereof |
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| JP4038647B2 (en) * | 2001-06-15 | 2008-01-30 | 矢崎総業株式会社 | Liquefied gas supply device |
| CN101520128A (en) * | 2009-03-24 | 2009-09-02 | 罗东晓 | Movable type method and device for supplying liquid phase natural gas and gas phase natural gas |
| CN203477883U (en) * | 2013-05-31 | 2014-03-12 | 北京航科发动机控制系统科技有限公司 | Distributed gas supply device |
| CN203656568U (en) * | 2013-12-13 | 2014-06-18 | 青岛捷能高新技术有限责任公司 | LNG (Liquefied Natural Gas) loading system for automobile |
| CN203656565U (en) * | 2013-12-02 | 2014-06-18 | 青岛捷能高新技术有限责任公司 | Pump-free LNG (Liquefied Natural Gas) filling system |
| CN104019359A (en) * | 2014-06-09 | 2014-09-03 | 山东交通学院 | Protection device of fuel gas system of LNG single-fuel ship |
| CN204127665U (en) * | 2014-10-20 | 2015-01-28 | 江苏鸿昌特种车辆有限公司 | A kind of cryogenic liquide transports basin safely |
-
2014
- 2014-10-20 CN CN201410557612.0A patent/CN104295893B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4038647B2 (en) * | 2001-06-15 | 2008-01-30 | 矢崎総業株式会社 | Liquefied gas supply device |
| CN101520128A (en) * | 2009-03-24 | 2009-09-02 | 罗东晓 | Movable type method and device for supplying liquid phase natural gas and gas phase natural gas |
| CN203477883U (en) * | 2013-05-31 | 2014-03-12 | 北京航科发动机控制系统科技有限公司 | Distributed gas supply device |
| CN203656565U (en) * | 2013-12-02 | 2014-06-18 | 青岛捷能高新技术有限责任公司 | Pump-free LNG (Liquefied Natural Gas) filling system |
| CN203656568U (en) * | 2013-12-13 | 2014-06-18 | 青岛捷能高新技术有限责任公司 | LNG (Liquefied Natural Gas) loading system for automobile |
| CN104019359A (en) * | 2014-06-09 | 2014-09-03 | 山东交通学院 | Protection device of fuel gas system of LNG single-fuel ship |
| CN204127665U (en) * | 2014-10-20 | 2015-01-28 | 江苏鸿昌特种车辆有限公司 | A kind of cryogenic liquide transports basin safely |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464904A (en) * | 2023-06-12 | 2023-07-21 | 浙江大学 | Vehicle-mounted liquid hydrogen heat-insulating storage container and liquid hydrogen filling method thereof |
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| Publication number | Publication date |
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| CN104295893B (en) | 2016-07-06 |
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