CN114458961B - Low-temperature combustible gas safe discharge device - Google Patents
Low-temperature combustible gas safe discharge device Download PDFInfo
- Publication number
- CN114458961B CN114458961B CN202210381908.6A CN202210381908A CN114458961B CN 114458961 B CN114458961 B CN 114458961B CN 202210381908 A CN202210381908 A CN 202210381908A CN 114458961 B CN114458961 B CN 114458961B
- Authority
- CN
- China
- Prior art keywords
- gas
- low
- temperature
- discharge
- pipe
- 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.)
- Active
Links
Images
Classifications
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/96—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by specially adapted arrangements for testing or measuring
-
- 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
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/12—Arrangements for supervising or controlling working operations for injecting a composition into the line
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a low-temperature combustible gas safe discharge device, comprising: the discharge pipe is used for discharging low-temperature combustible gas at high altitude; a gas output device which is communicated with the discharge pipe and outputs protective gas; and the heating device is arranged on a pipeline communicated between the discharge pipe and the gas output device. On one hand, the device enables the heated protective gas to generate heat exchange with the low-temperature combustible gas, so that the low-temperature combustible gas is heated to the normal temperature or even higher preset temperature, can be separated from the air density, and can be rapidly diffused; on the other hand protective gas has formed the gas lid of constituteing by protective gas in the delivery pipe, covers and has stopped low temperature combustible gas and the contact of external atmospheric, waits to discharge and continues to carry out the abundant heat transfer of in-process after, combustible gas obtains enough heat and discharges from the delivery pipe top opening again after density diminishes, has guaranteed to discharge the security.
Description
Technical Field
The invention relates to the field of environmental simulation tests of liquid rocket engines and space vehicles, in particular to a low-temperature combustible gas safe discharge device.
Background
Reusable rockets are an important direction in the development of launch technology, and many from an economic standpoint, and therefore liquid oxy-methane engines, such as the bird engines of SpaseX, usa, are often used for such rockets. The liquid oxygen-methane engine inevitably discharges a large amount of liquid methane and low-temperature methane gas in the test and launching processes, compared with the mature industrial application field, the probability of failure risks of the rocket engine in the test process is much higher, and once the failure occurs, a large amount of methane needs to be discharged urgently. The density of the methane gas at the triple point under the atmosphere was 1.7946kg/m 3 38% higher than the air density. In addition, in the field of spacecraft environment simulation tests, in order to simulate a space cold and black environment, a low-temperature heat sink needs to be arranged in a vacuum chamber, and liquid hydrogen is sometimes selected as a working medium of the low-temperature heat sink. In the test process, plume ignited by the space engine with the total temperature reaching 3000K can be directly sprayed on the surface of the liquid hydrogen heat sink, so that the internal pressure of the liquid hydrogen heat sink is increased, and local liquid hydrogen is gasified. The hydrogen density at this time was 1.3142kg/m 3 It is also much denser than air and produces a large amount of gas instantaneously, sometimes up to 200L/s. When the low-temperature combustible gas is discharged in a test field, the test field is mainly treated in a high-altitude discharge mode due to the characteristics of randomness and intermittence. However, because these low temperature flammable gases are denser than air or become more dense than air as they absorb heat during discharge, these gases in the test field tend to accumulate around the discharge pipe outlet after they are discharged from the discharge pipe, where combustion, or even greater risk, can occur if an ignition source is present.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the low-temperature combustible gas is easy to accumulate at the discharge port to cause danger when being discharged in the prior art, thereby providing a high-safety low-temperature combustible gas discharge device.
In order to solve the above technical problem, the present application provides a low temperature combustible gas safety discharging equipment, includes:
the discharge pipe is used for discharging low-temperature combustible gas at high altitude;
the gas output device is communicated with the discharge pipe and outputs protective gas;
and the heating device is arranged on a pipeline communicated between the discharge pipe and the gas output device.
Optionally, the discharge tube comprises:
an inner tube for delivery of the cryogenic combustible gas;
the outer pipe is sleeved outside the inner pipe and is communicated with the gas output device;
the outer pipe and the inner pipe are spaced, and the outlet of the outer pipe is higher than the outlet of the inner pipe; the outer pipe is communicated with the gas output device at a position lower than the outlet of the inner pipe.
Optionally, the top end of the outer tube is of a sealing structure, and a discharge hole is formed in the side wall of the top end of the outer tube.
Optionally, the number of drainage holes is several; the diameter of the discharge hole is within 1 mm.
Optionally, the pressure of the gas in the top end of the outer tube is above atmospheric pressure.
Optionally, a pressure sensor is arranged at the top end of the outer pipe, a regulating valve is arranged at the outlet of the gas output device, and the pressure sensor is in signal connection with the regulating valve.
Optionally, the heating device comprises:
the heat exchange tube is communicated between the outer tube and the gas output device;
the heat storage metal is coated outside the heat exchange tube;
the electric heating pipe is arranged in the heat storage metal.
Optionally, a temperature sensor is arranged at the top end of the outer pipe, a regulating valve is arranged at the outlet of the gas output device, and the temperature sensor is in signal connection with the regulating valve.
Optionally, the gas output device is a gas cylinder.
Optionally, nitrogen is stored in the cylinder.
By adopting the technical scheme, the invention has the following technical effects:
1. according to the low-temperature combustible gas safe discharge device provided by the invention, the high-temperature protective gas is added into the low-temperature combustible gas, so that on one hand, the heated protective gas and the low-temperature combustible gas generate heat exchange, the low-temperature combustible gas is heated to a normal temperature or even a higher preset temperature, and the difference between the low-temperature combustible gas and the air density can be separated and rapidly diffused; on the other hand, when a large amount of low-temperature combustible gas is discharged, the low-temperature combustible gas can be accumulated below the discharge pipe due to low temperature and high density, but the protective gas with high temperature has relatively low density, so that a gas cover consisting of the protective gas is formed above the discharge pipe to cover and prevent the low-temperature combustible gas from contacting with the outside atmosphere, and after the low-temperature combustible gas is discharged and fully exchanges heat in the process, the combustible gas obtains enough heat and is discharged from the top opening of the discharge pipe after the density is reduced, thereby ensuring the discharge safety.
2. According to the low-temperature combustible gas safe discharge device provided by the invention, the discharge pipe of the low-temperature combustible gas safe discharge device enables the low-temperature combustible gas and the high-temperature protective gas to generate convection through the structure corresponding to the inner pipe and the outer pipe, so that the heat exchange efficiency is enhanced, the low-temperature combustible gas can be rapidly heated, and the accumulation of the combustible gas is effectively reduced.
3. According to the low-temperature combustible gas safe discharge device provided by the invention, the pipe orifice of the discharge pipe is sealed to form a blind pipe, and the side wall at the top end of the discharge pipe is provided with the discharge hole.
4. The low-temperature combustible gas safety discharge device provided by the invention has the advantages that the number of the discharge holes is a plurality; the diameter of the vent hole is within 1 mm. Such a discharge orifice can function as a flame arrester and a muffler. In addition, because the aperture of the discharge hole is small, the discharge pipe with a semi-closed structure is formed, the discharge pipe can effectively prevent outside air from entering the discharge pipe, the contact between combustible gas and oxygen is prevented, the formation of combustible mixture with air when the temperature of low-temperature combustible gas is not fully raised is avoided, and the discharge safety is ensured.
5. The low-temperature combustible gas safety discharge device provided by the invention has the advantages that the air pressure in the top end of the discharge pipe is higher than the atmospheric pressure, so that the capability of preventing external air from entering the discharge pipe is further enhanced, and the discharge safety is improved.
6. The invention provides a low-temperature combustible gas safe discharge device, wherein a pressure sensor is arranged at the position of a discharge port, and the opening of an adjusting valve can be dynamically adjusted by using the pressure value of the pressure sensor to realize that the air pressure at the inner side of a discharge hole is higher than the external atmospheric pressure. The arrangement can also keep the pressure in the discharge pipe at a level slightly higher than the external air pressure, thus reducing the consumption of protective gas and avoiding waste caused by excessive protective gas output by the gas output device.
7. The low-temperature combustible gas safe discharge device provided by the invention adopts a heat storage heating mode, and can use an electric heating pipe with smaller power to continuously heat the heat storage metal, wherein the heating temperature can reach 200 ℃. By utilizing the high-temperature heat stored for a long time, the protective gas can generate a large amount of high-temperature gas in a short time when the heat exchange is carried out through the heat exchange tube and the heat storage metal. Not only meets the demand of instantaneous high heat, but also reduces the overall energy consumption of the device.
8. The safe discharging device for the low-temperature combustible gas, provided by the invention, is provided with a feedback adjusting mechanism for the discharging temperature, so that whether the discharging temperature of the low-temperature combustible gas reaches the standard or not can be monitored at any time, and the flow of the protective gas can be adjusted in time; but also the device has higher adaptability.
9. The low-temperature combustible gas safe discharge device provided by the invention has the advantages that the protective gas is stored in the form of the gas storage cylinder, the structure is simple, the manufacturing cost of the filling gas is low, and the transportation is convenient, so that the maintenance and use cost of the device is favorably reduced, and the large-scale popularization is facilitated. And different numbers of gas storage cylinders can be connected in parallel according to the expected maximum discharge amount, and the gas storage cylinder has modularization convenience and high adaptability which is easy to adjust.
10. The low-temperature combustible gas safe discharge device provided by the invention uses nitrogen as protective gas, so that the maintenance cost is low, and the device is not like carbon dioxide which is easy to cause greenhouse effect, therefore, the low-cost and environment-friendly characteristics are realized, and the maintenance and use cost of the device is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Description of the reference numerals:
1-gas storage cylinder, 2-pressure reducing valve, 3-electromagnetic valve, 4-regulating valve, 5-heat insulating layer, 6-electric heating tube, 7-heat exchanging tube, 8-heat storage metal, 9-inner tube, 10-outer tube, 11-discharge hole, 12-pressure sensor and 13-temperature sensor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment provides a low-temperature combustible gas safe discharge device.
In one embodiment, it comprises a discharge pipe, a gas output device and a heating device. The discharge pipe is used for high-altitude discharge of low-temperature combustible gas. The gas output device is used for outputting protective gas and is communicated with the discharge pipe. The heating device is arranged on a pipeline which is communicated between the discharge pipe and the gas output device. The protective gas is a gas that does not undergo a combustion reaction with the low-temperature combustible gas and is not combustible by itself, and is, for example, an inert gas, nitrogen gas, or the like, or a mixture of various non-combustible gases. The gas output device can adopt a gas storage device for storing protective gas, and can also adopt a device for generating protective gas through chemical reaction.
When the device of the embodiment discharges low-temperature combustible gas, heated protective gas is mixed into the discharged gas, on one hand, the heated protective gas and the low-temperature combustible gas generate heat exchange, so that the low-temperature combustible gas is heated to normal temperature or even higher preset temperature, and can be separated from air density to be rapidly diffused; on the other hand, when a large amount of low-temperature combustible gas is discharged, the low-temperature combustible gas can be accumulated below the discharge pipe due to low temperature and high density, but the protective gas with high temperature has relatively low density, so that a gas cover consisting of the protective gas is formed above the discharge pipe to cover and prevent the low-temperature combustible gas from contacting with the outside atmosphere, and after the low-temperature combustible gas is discharged and fully exchanges heat in the process, the combustible gas obtains enough heat and is discharged from the top opening of the discharge pipe after the density is reduced, thereby ensuring the discharge safety.
In a preferred embodiment based on the above embodiment, as shown in fig. 1, the gas output device is a gas cylinder 1. The gas is stored in the form of a gas storage cylinder 1, and is a mass production mode in the industrial field. The gas storage bottle 1 has the characteristics of simple structure, low manufacturing cost of gas filling and convenience in transportation, so that the maintenance and use cost of the device is reduced, and the gas storage bottle is convenient to popularize in a large range. And different numbers of gas cylinders 1 can be connected in parallel according to the expected maximum discharge amount, and the gas cylinder has modularization convenience and high adaptability which is easy to adjust.
Based on the above embodiments, in a preferred embodiment, nitrogen is stored in the gas cylinder 1, i.e. nitrogen is used as the protective gas. The nitrogen is used as a non-combustible gas with high content in the atmosphere, and compared with rare gas, the nitrogen has low production cost and does not easily cause greenhouse effect like carbon dioxide, so the nitrogen has the characteristics of low price and environmental protection, and the maintenance and use cost of the device is greatly reduced.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 1, the discharge pipe includes: the device comprises an inner pipe 10 for discharging and conveying the low-temperature combustible gas and an outer pipe 9 which is sleeved outside the inner pipe 10 and communicated with the gas output device. A gap is reserved between the outer pipe 9 and the inner pipe 10, and the outlet at the top end of the outer pipe 9 is higher than the outlet at the top end of the inner pipe 10; the outer tube 9 is communicated with the gas output device at a position lower than the top outlet of the inner tube 10.
After the low-temperature combustible gas is discharged from the top of the inner pipe 10, the low-temperature combustible gas flows to the bottom of the outer pipe 9 due to low temperature and high density, and the high-temperature protective gas flowing out from the bottom of the outer pipe 9 flows upwards due to low density, so that convection is generated between the high-temperature protective gas and the high-temperature protective gas, the heat exchange efficiency is enhanced, the low-temperature combustible gas can be rapidly heated, and the accumulation of the combustible gas is effectively reduced.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 1, the top end of the outer tube 9 is a sealed structure, i.e. the nozzle is sealed to form a blind tube, and the side wall of the top end of the outer tube 9 is provided with a discharge hole 11. This kind of structure makes outer tube 9 can avoid the rainwater to get into when the rainy day, prevents that the whereabouts of raindrop from going to destroy convection heat transfer and the formation of protection gas lid.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 1, the number of the discharge holes 11 is several; the diameter of the discharge hole 11 is within 1 mm. Such a discharge hole 11 can function as a flame arrester and a muffler. In addition, the aperture of the discharge holes 11 is small, so that the outer pipe 9 becomes a semi-closed discharge pipe, the semi-closed structure can effectively prevent outside air from entering the discharge pipe, prevent combustible gas from contacting oxygen, avoid low-temperature combustible gas from forming combustible mixture with air when the temperature of the combustible gas is not fully raised, and ensure the discharge safety.
Based on the above embodiment, in a preferred embodiment, because of the semi-closed structure, the outer tube 9 has a certain pressure maintaining capability, and by controlling the flow rate and pressure of the exhaust gas, the pressure in the top end of the outer tube 9 can be made higher than the atmospheric pressure, so that the capability of the exhaust tube for preventing outside air from entering the exhaust tube is further enhanced, and the exhaust safety is improved.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 1, a pressure sensor 12 is provided at the top end of the outer tube 9, the regulating valve 4 is provided at the outlet of the gas output device, and the pressure sensor 12 is in signal connection with the regulating valve 4. Because the gas discharged by the device comprises relatively stable output protective gas and intermittent combustible gas with variable discharge amount, the pressure in the outer pipe 9 is a dynamic change value all the time, and the pressure sensor 12 is arranged at the position of the discharge port, and the pressure value can be used for dynamically adjusting the opening of the regulating valve 4 to realize that the air pressure at the inner side of the discharge hole 11 is higher than the external atmospheric pressure. The arrangement can also keep the pressure in the outer tube 9 at a level slightly higher than the external air pressure, so that the consumption of protective gas can be reduced, and the waste caused by excessive protective gas output by the gas output device can be avoided.
Of course, in addition to the regulating valve 4, auxiliary components such as a pressure reducing valve 2 and a solenoid valve 3 may be provided at the outlet of the gas output device to perform functions such as output pressure adjustment and gas source opening and closing.
In a preferred embodiment based on the above embodiment, as shown in fig. 1, the heating device includes: a heat exchange pipe 7, a heat accumulation metal 8 and an electric heating pipe 6. The heat exchange tube 7 is communicated between the outer tube 9 and the gas output device. The heat storage metal 8 is coated outside the heat exchange pipe 7. The electric heating tube 6 is disposed inside the heat accumulating metal 8. In order to reduce the heat dissipation of the heat storage metal 8 after heating, the heat storage metal 8 may be covered with an insulating layer 5.
Considering that the low-temperature combustible gas is intermittently discharged, the heating quantity required instantly is very large sometimes, the gas is difficult to be fully heated in the discharge peak by adopting a direct heating mode, and the energy waste is easily caused in the discontinuous period. The device adopts a heat storage heating mode, and can continuously heat the heat storage metal 8 by using the electric heating pipe 6 with smaller power, and the heating temperature can reach 200 ℃. By using the high-temperature heat stored for a long time, the protective gas can generate a large amount of high-temperature gas in a short time when heat is exchanged between the heat exchange tube 7 and the heat storage metal 8. Not only meets the demand of instantaneous high heat, but also reduces the overall energy consumption of the device.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 1, a temperature sensor 13 is provided at the top end of the outer tube 9, the regulating valve 4 is provided at the outlet of the gas output device, and the temperature sensor 13 is in signal connection with the regulating valve 4. By setting a feedback regulation mechanism for the discharge temperature, whether the discharge temperature of the low-temperature combustible gas reaches the standard or not can be monitored at any time, so that the flow of the protective gas can be adjusted in time; the device has high adaptability, for example, for hydrogen, the density of the device can be separated from that of air when the temperature reaches above 0 ℃, and for methane, the dissipation effect is good when the temperature reaches above 100 ℃. Therefore, after the temperature feedback mechanism is arranged, specific control temperature can be set for different exhaust gases, so that the device can be suitable for different operation occasions.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (4)
1. A safe discharge device for low-temperature combustible gas, which is characterized by comprising:
the discharge pipe is used for discharging low-temperature combustible gas at high altitude; the low-temperature combustible gas is hydrogen;
a gas output device which is communicated with the discharge pipe and outputs protective gas;
the heating device is arranged on a pipeline communicated between the discharge pipe and the gas output device;
the discharge pipe includes:
an inner tube (10) for the delivery of said cryogenic combustible gas;
the outer pipe (9) is sleeved outside the inner pipe (10) and is communicated with the gas output device;
a space is arranged between the outer pipe (9) and the inner pipe (10), and the outlet of the outer pipe (9) is higher than the outlet of the inner pipe (10); the position where the outer pipe (9) is communicated with the gas output device is lower than the outlet of the inner pipe (10);
the top end of the outer pipe (9) is of a sealing structure, and the side wall of the top end of the outer pipe (9) is provided with a discharge hole (11);
the number of the discharge holes (11) is several; the diameter of the discharge hole (11) is within 1 mm;
the pressure in the top end of the outer tube (9) is higher than the atmospheric pressure;
a pressure sensor (12) is arranged at the top end of the outer pipe (9), a regulating valve (4) is arranged at the outlet of the gas output device, and the pressure sensor (12) is in signal connection with the regulating valve (4);
and a temperature sensor (13) is arranged at the top end of the outer pipe (9), and the temperature sensor (13) is in signal connection with the regulating valve (4).
2. The safe discharging device of claim 1, wherein the heating device comprises:
the heat exchange tube (7) is communicated between the outer tube (9) and the gas output device;
the heat storage metal (8) is coated outside the heat exchange tube (7);
the electric heating pipe (6) is arranged in the heat storage metal (8).
3. The safe discharging device for low-temperature combustible gas according to claim 1, characterized in that the gas output device is a gas storage cylinder (1).
4. A safe discharge device for combustible gas at low temperature as claimed in claim 3, wherein the gas bomb (1) stores nitrogen gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381908.6A CN114458961B (en) | 2022-04-13 | 2022-04-13 | Low-temperature combustible gas safe discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381908.6A CN114458961B (en) | 2022-04-13 | 2022-04-13 | Low-temperature combustible gas safe discharge device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114458961A CN114458961A (en) | 2022-05-10 |
| CN114458961B true CN114458961B (en) | 2022-08-19 |
Family
ID=81418689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210381908.6A Active CN114458961B (en) | 2022-04-13 | 2022-04-13 | Low-temperature combustible gas safe discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114458961B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311729Y (en) * | 1997-09-08 | 1999-03-24 | 中国科学院广州能源研究所 | Electric heating phase-changing heat accumulator |
| JP3686257B2 (en) * | 1998-06-04 | 2005-08-24 | 三菱重工業株式会社 | Vent stack safety device |
| CN102818821B (en) * | 2012-08-24 | 2015-04-08 | 中煤科工集团重庆研究院有限公司 | Combustible gas explosion feature experiment system in ultralow temperature environment |
| US9188285B2 (en) * | 2012-12-24 | 2015-11-17 | General Electric Company | Systems and methods for oxidation of boil-off gas |
| CN104389648B (en) * | 2014-09-18 | 2016-02-24 | 同济大学 | A kind of double-source dynamic system and controlling method thereof |
| CN206018258U (en) * | 2016-08-18 | 2017-03-15 | 中燃宏远工程建设有限公司 | For BOG condensate recovery systems outside the LNG storage tank of LNG gas stations |
| CN106541816B (en) * | 2016-10-14 | 2019-03-29 | 石家庄新华能源环保科技股份有限公司 | A kind of hydrogen powered vehicle |
| CN106595759B (en) * | 2016-12-07 | 2019-02-01 | 上海宇航系统工程研究所 | A kind of cryogenic propellant storing technology ground system test |
| CN106956873A (en) * | 2017-04-18 | 2017-07-18 | 山东隆泰石油装备有限公司 | Oil storage tank explosion-proof flame resistant device |
| CN208751057U (en) * | 2018-07-27 | 2019-04-16 | 广济药业（孟州）有限公司 | A kind of air heating apparatus |
| CN109714845B (en) * | 2018-12-26 | 2021-07-13 | 中国航天空气动力技术研究院 | Induction type air heating method, device and application |
| CN112550779B (en) * | 2020-11-27 | 2022-04-12 | 中国运载火箭技术研究院 | Ground integration test device and method for low-temperature propellant thermodynamic exhaust system |
-
2022
- 2022-04-13 CN CN202210381908.6A patent/CN114458961B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114458961A (en) | 2022-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106741984B (en) | A kind of system and its working method of catalytic reforming inerting aircraft fuel tank | |
| TWI692900B (en) | Fire protection device for solid battery | |
| CN103939895B (en) | Fuel feed-vaporization-pressure regulation-full premix combustion system and comprise temperature difference electricity generation device and the method for this system | |
| US6666034B1 (en) | Hydrogen storage and transportation system | |
| WO2022116908A1 (en) | High-energy lithium battery and large energy storage system comprising same | |
| CN101189475A (en) | Catalytic combustors keeping contained medium warm in response to hydrostatic valve | |
| CN108045587B (en) | Waste heat recovery system of oxygen consumption type inerting fuel tank based on thermoelectric generation technology | |
| CN112349937A (en) | Distributed energy system of methanol hydrogen production coupled fuel cell and operation method | |
| CN112038528B (en) | Battery box | |
| CN108033027A (en) | A kind of green inerting fuel tank afterheat utilizing system | |
| WO2022116910A1 (en) | High-energy lithium battery and large energy storage system comprising lithium batteries | |
| CN112610892B (en) | High-hydrogen-content natural gas pipeline station safety discharge system and method | |
| CN114458961B (en) | Low-temperature combustible gas safe discharge device | |
| CN211789233U (en) | Safe exhaust device for battery pack | |
| CN108482688A (en) | Waste-heat recovery device in a kind of aircraft fuel-tank inert gas system | |
| CN109237470B (en) | Cylindrical porous jet type miniature liquid burner and combustion method thereof | |
| CN207965700U (en) | The device of waste-heat power generation in a kind of fuel-tank inert gas system using aircraft | |
| CN108163215A (en) | A kind of oxygen consumption type inerting fuel tank residual neat recovering system | |
| CN207956080U (en) | A kind of green inerting fuel tank afterheat utilizing system | |
| CN203501169U (en) | Fuel oil supply-vaporization-pressure regulation-full premixing combustion system and temperature-difference power generation device comprising same | |
| CN214625273U (en) | Power battery package casing, power battery package thermal runaway exhaust structure and car | |
| CN108170190A (en) | The device of waste-heat power generation in a kind of fuel-tank inert gas system using aircraft | |
| US20110303313A1 (en) | HCDS-ICs-wf-wh Single Stage Hydrogen Compression & Delivery System for Internal Combustion Engines Utilizing Working Fluid and Waste Heat Recovery | |
| CN207956081U (en) | Oxygen consumption type inerting fuel tank Waste Heat Recovery System based on thermoelectric generation | |
| CN211650278U (en) | High-power surface burner for treating high-concentration organic waste gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |