CN109307151B - High-pressure gas cylinder filling gas cooling device - Google Patents
High-pressure gas cylinder filling gas cooling device Download PDFInfo
- Publication number
- CN109307151B CN109307151B CN201811340922.1A CN201811340922A CN109307151B CN 109307151 B CN109307151 B CN 109307151B CN 201811340922 A CN201811340922 A CN 201811340922A CN 109307151 B CN109307151 B CN 109307151B
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- Prior art keywords
- air
- gas
- sealing flange
- end sealing
- temperature
- 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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- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 102
- 238000007789 sealing Methods 0.000 claims abstract description 69
- 239000000112 cooling gas Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
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
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- 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
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the technical field of high-pressure gas filling, in particular to a device for cooling high-pressure gas to be filled. A high-pressure gas cylinder filling gas cooling device has the technical scheme that: front end sealing flanges and rear end sealing flanges are respectively arranged at the front end and the rear end of the shell; a cooling gas outlet is formed in the side wall of the shell close to the front end sealing flange, and a cooling gas inlet is formed in the side wall of the shell close to the rear end sealing flange; the two ends of the fin spiral tube are respectively provided with a high-temperature gas inlet tube and a gas outlet tube; the fin spiral tube is arranged in the shell, the high-temperature gas inlet tube extends outwards from the front end sealing flange, and the gas outlet tube extends outwards from the rear end sealing flange; sealing treatment is carried out between the high-temperature gas inlet pipe and the front sealing flange, and between the gas outlet pipe and the rear sealing flange. The invention can cool down the high-temperature air pressurized by the air-driven booster pump in the ship fire-fighting inflation station, so that the filled air bottle can be immediately put into use.
Description
Technical Field
The invention relates to the technical field of high-pressure gas filling, in particular to a device for cooling high-pressure gas to be filled.
Background
The fire-fighting breathing gas cylinders used on the ship can be repeatedly filled and reused, so that the filling time is saved, the fire-fighting efficiency is guaranteed, the high-pressure gas filling device (fire-fighting gas filling station) is often used for repeatedly filling the gas cylinders, but a large amount of heat is generated in the pressurizing and gas filling process, and the heat comprises heat generated when carbon monoxide and carbon dioxide in a gas source are filtered, heat generated when the booster pump works, and the like. Because the air in the air cylinder is required to be directly used as a breathing air source when firefighters fight fire, the firefighting breathing air cylinder is immediately put into use after the on-site filling is finished in most emergency situations, and therefore, a set of compact, light, efficient and miniaturized air cooling device is required to be designed at the tail end of the air pressurizing system and used for reducing the temperature of the air source, so that the filled air cylinder can be immediately put into use, and an important guarantee is provided for firefighters to smoothly finish the fire-extinguishing rescue task.
Disclosure of Invention
The purpose of the invention is that: in order to enable the filled gas cylinder to be immediately put into use, a high-pressure gas cylinder filling gas cooling device is provided.
The technical scheme of the invention is as follows: a high pressure cylinder charge gas cooling device comprising: a housing and a fin coil;
front end sealing flanges and rear end sealing flanges are respectively arranged at the front end and the rear end of the shell; a cooling gas outlet is formed in the side wall of the shell at the end of the front end sealing flange, and a cooling gas inlet is formed in the side wall of the shell at the end of the rear end sealing flange;
the two ends of the fin spiral tube are respectively provided with a high-temperature gas inlet tube and a gas outlet tube; the fin spiral tube is arranged in the shell, the high-temperature gas inlet tube extends outwards from the front end sealing flange, and the gas outlet tube extends outwards from the rear end sealing flange; sealing treatment is carried out between the high-temperature gas inlet pipe and the front sealing flange, and between the gas outlet pipe and the rear sealing flange.
In the pressurizing and charging process, high-temperature and high-pressure gas is introduced into the fin spiral tube from the high-temperature gas inlet pipe, cooling gas is introduced into the cavity in the shell from the cooling gas inlet to cool the gas in the fin spiral tube, and the flowing mode of the high-temperature gas and the cooling gas is reverse flow.
Furthermore, the low-pressure air source is divided into two paths, one path is pressurized by the air-driven booster pump and then is converted into high-temperature high-pressure air, the high-temperature high-pressure air is introduced into the high-temperature air inlet pipe, the high-temperature high-pressure air is cooled by the cooling device and then is converted into normal-temperature high-pressure air, the inflating assembly connected with the air outlet pipe can be directly inflated, and the inflated expiratory air bottle can be immediately put into use; the other path of low-pressure gas source is used as the driving gas of the gas-driven booster pump, the driving gas is discharged and converted into low-temperature waste gas after acting through the gas-driven booster pump according to the Joule-Thomson effect, the ideal cooling gas is obtained, the low-temperature waste gas is introduced into the cooling gas inlet to cool the high-temperature high-pressure gas in the fin spiral tube, and then the high-temperature high-pressure gas is discharged outwards through the cooling gas outlet without adding an additional cooling source.
Further, in order to reduce noise sources on the ship, an exhaust muffler is provided at the cooling gas outlet.
Further, the cooling device is detachable integrally: the front end sealing flange and the rear end sealing flange are respectively connected with the front end and the rear end of the shell through threads; the high-temperature gas inlet pipe and the gas outlet pipe extend outwards from the centers of the front end sealing flange and the rear end sealing flange respectively, sealing rings are installed at the center grooves of the front end sealing flange and the rear end sealing flange, and the sealing rings are tightly pressed by utilizing compression nuts to form a sealing structure, so that cooling gas is prevented from leaking to the outside of the cooling device along the high-temperature gas inlet pipe and the gas outlet pipe, and the cooling effect is influenced.
Further, in order to enhance the heat exchange performance of the high-temperature gas in the fin spiral tube and the cooling gas outside the tube and improve the cooling efficiency of the high-temperature gas, the fin spiral tube is made of a high-heat-conductivity material such as copper; the shell, the front end sealing flange and the rear end sealing flange are made of low heat conduction materials, such as steel, and the purpose of the shell is to reduce the heat exchange performance between cooling gas in the shell and natural air outside the shell so as to avoid the temperature rise of the cooling air in the shell due to external heat exchange.
Furthermore, in order to increase the contact area between the high-temperature gas and the cooling gas in a limited volume and achieve an excellent heat transfer effect, the cooling device is light, efficient and miniaturized, and the spiral tube of the fins consists of a spiral base tube and fins distributed on the outer wall of the spiral base tube at equal intervals. The fin spiral tube and the high-temperature gas inlet tube and the gas outlet tube can be connected in a welding and expansion mode.
The beneficial effects are that:
(1) The invention can cool down the high-temperature air pressurized by the air-driven booster pump in the ship fire-fighting inflation station, so that the filled air bottle can be immediately put into use.
(2) The invention has small volume, high efficiency and simple use, and is suitable for the conditions of limited space of ships, complex environment and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the air path of the cooling device of example 1;
FIG. 3 is a partial cross-sectional view of the middle-fin spiral tube of example 2;
fig. 4 is a schematic air path diagram of the cooling device of embodiment 3.
Wherein: 1-high temperature gas inlet pipe, 2-front end sealing flange, 3-shell, 4-fin spiral pipe, 5-cooling gas inlet, 6-back end sealing flange, 7-compression nut, 8-gas outlet pipe, 9-sealing ring, 10-cooling gas outlet, 11-exhaust silencer, 12-low pressure gas source, 13-gas drive booster pump, 13.1-high temperature and high pressure gas, 13.2-low temperature waste gas and 15-inflation component.
Detailed Description
Example 1:
in this embodiment, a device for cooling a gas filled in a high-pressure gas cylinder of a ship is provided, referring to fig. 1, including: a housing 3 and a fin coil 4;
the shell 3 is a cylindrical shell, and front end sealing flanges 2 and rear end sealing flanges 6 are respectively arranged at the front end and the rear end of the shell 3; a cooling gas outlet 10 is arranged at the side wall of the cylinder shell 3 close to the front end sealing flange 2, and a cooling gas inlet 5 is arranged at the side wall of the cylinder shell 3 close to the rear end sealing flange 6; the flowing mode of the high-temperature gas and the cooling gas is reverse flowing, so that the average temperature difference between the high-temperature gas and the cooling gas is increased, and the heat transfer efficiency of the cooling device is further improved;
the two ends of the fin spiral tube 4 are respectively provided with a high-temperature gas inlet tube 1 and a gas outlet tube 8; the fin spiral tube 4 is arranged in the cylindrical shell 3, the high-temperature gas inlet tube 1 extends outwards from the front end sealing flange 2, and the gas outlet tube 8 extends outwards from the rear end sealing flange 6; sealing treatment is carried out between the high-temperature gas inlet pipe 1 and the front end sealing flange 2, and between the gas outlet pipe 8 and the rear end sealing flange 6.
The working principle is shown in figure 2: the cooling gas is introduced into the cylinder shell 3 from the cooling gas inlet 5, the low-pressure gas source 12 is pressurized by the gas drive booster pump 13 and then converted into high-temperature high-pressure gas, the high-temperature high-pressure gas is introduced into the fin spiral pipe 4 through the high-temperature gas inlet pipe 1, the cooling gas in the cylinder shell 3 cools the high-temperature high-pressure gas in the fin spiral pipe 4, the cooling gas is converted into normal-temperature high-pressure gas after cooling, the normal-temperature high-pressure gas can be directly used for inflating an inflating assembly 15 (namely a high-pressure gas cylinder) connected with the gas outlet pipe 8, and the inflated expiratory gas cylinder can be immediately put into use. While the cooling gas is discharged from the cooling gas outlet 10, ensuring that the cooling gas can circulate inside the cylindrical housing 3.
Further, in order to reduce noise sources on the ship, an exhaust muffler 11 is provided at the cooling gas outlet 10.
Further, for convenient later maintenance and cleaning, the cooling device is detachable as a whole: the front end sealing flange 2 and the rear end sealing flange 6 are respectively connected with the front end and the rear end of the cylinder shell 3 through threads; the high-temperature gas inlet pipe 1 and the gas outlet pipe 8 respectively extend outwards from the centers of the front end sealing flange 2 and the rear end sealing flange 6, the sealing rings 9 are installed at the central grooves of the front end sealing flange 2 and the rear end sealing flange 6, and the sealing rings 9 are tightly pressed by the compression nuts 7 to form a sealing structure, so that cooling gas is prevented from leaking to the outside of the cooling device along the high-temperature gas inlet pipe 1 and the gas outlet pipe 8, and the cooling effect is influenced.
Furthermore, in order to enhance the heat exchange performance of the high-temperature gas in the fin spiral tube 4 and the cooling gas outside the tube and improve the cooling efficiency of the high-temperature gas, the fin spiral tube 4 adopts a high heat conduction material,in this example, T2 red copper (coefficient of thermal conductivity λ=380W/m) 2 DEG C); while the cylinder housing 3, the front end-closure flange 2, the rear end-closure flange 6 are made of a material with low thermal conductivity, such as steel (thermal conductivity λ=45W/m 2 At c), with the aim of reducing the heat exchange performance between the cooling gas inside the cylindrical housing 3 and the natural air outside the housing, so as to avoid the temperature of the cooling air inside the housing from rising due to the external heat exchange.
Example 2:
referring to fig. 3, in order to increase the contact area between the high-temperature gas and the cooling gas in a limited volume and achieve an excellent heat transfer effect based on the embodiment 1, the cooling device is made light, efficient and miniaturized, the spiral fin tube 4 is composed of a spiral base tube 41 and fins 42 distributed on the outer wall of the spiral base tube 41 at equal intervals, the base tube adopts a spiral shape to reduce the pressure drop loss of the high-pressure gas flowing in the tube, and rectangular fins 42 are arranged on the outer surface of the spiral base tube 41, so that the heat transfer area is increased and the overall heat dissipation performance is improved. The fin spiral tube 4 and the high-temperature gas inlet tube 1 and the gas outlet tube 8 can be connected by adopting welding, expansion joint and the like.
Example 3:
referring to fig. 4, on the basis of embodiment 1 or embodiment 2, the low-pressure air source 12 is further divided into two paths, one path is pressurized by the air-driven booster pump 13 and then is converted into high-temperature high-pressure air 13.1 to be introduced into the high-temperature air inlet pipe 1, the high-temperature high-pressure air 13.1 is cooled by the cooling device and then is converted into normal-temperature high-pressure air, the air-charging assembly 15 connected with the air outlet pipe 8 can be directly charged, and the inflated expiratory air bottle can be immediately put into use; the other path of low-pressure air source 12 is used as driving air of the air-driven booster pump 13, the air-driven booster pump 13 has a self-cooling function according to the Joule-Thomson effect, the driving air is discharged after acting through the air-driven booster pump 13 and converted into low-temperature waste air 13.2, namely ideal cooling air, the low-temperature waste air 13.2 is introduced into the cylinder shell 3 through the cooling air inlet 5 to cool the high-temperature high-pressure air in the fin spiral tube 4, and then the high-temperature high-pressure air is discharged outwards through the cooling air outlet 10 without adding an additional cooling source.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A high pressure gas cylinder charge gas cooling device comprising: a housing (3) and a fin spiral tube (4);
front end sealing flanges (2) and rear end sealing flanges (6) are respectively arranged at the front end and the rear end of the shell (3); a cooling gas outlet (10) is formed in the side wall of the shell (3) at the end of the front end sealing flange (2), and a cooling gas inlet (5) is formed in the side wall of the shell (3) at the end of the rear end sealing flange (6);
the two ends of the fin spiral tube (4) are respectively provided with a high-temperature gas inlet tube (1) and a gas outlet tube (8); the fin spiral tube (4) is arranged in the shell (3), the high-temperature gas inlet tube (1) extends outwards from the front end sealing flange (2), and the gas outlet tube (8) extends outwards from the rear end sealing flange (6); sealing treatment is carried out among the high-temperature gas inlet pipe (1) and the front sealing flange (2), and among the gas outlet pipe (8) and the rear sealing flange (6);
the low-pressure air source (12) is divided into two paths, wherein one path is pressurized by the air-driven booster pump (13) and then converted into high-temperature high-pressure air (13.1) to be introduced into the high-temperature air inlet pipe (1), cooled by the fin spiral pipe (4) and then converted into normal-temperature high-pressure air, and the normal-temperature high-pressure air is introduced into the air charging assembly (15) through the air outlet pipe (8);
the other path of the low-pressure air source (12) is used as driving air of the air-driven booster pump (13), the driving air is discharged through the air-driven booster pump (13) to be converted into low-temperature waste air (13.2) after acting, the low-temperature waste air is introduced into the shell (3) through the cooling air inlet (5), and the low-temperature waste air is discharged through the cooling air outlet (10) after having a cooling function;
the fin spiral tube (4) consists of a spiral base tube (41) and more than two fins (42) circumferentially distributed on the outer wall of the spiral base tube (41);
the fin spiral tube (4) is made of a high-heat-conductivity material, and the shell (3), the front end sealing flange (2) and the rear end sealing flange (6) are made of a low-heat-conductivity material.
2. The high-pressure gas cylinder charge gas cooling device according to claim 1, characterized in that an exhaust muffler (11) is provided at the cooling gas outlet (10).
3. The high-pressure gas cylinder filling gas cooling device according to claim 1, wherein the front end sealing flange (2) and the rear end sealing flange (6) are respectively connected with the front end and the rear end of the shell (3) through threads.
4. The high-pressure gas cylinder filling gas cooling device according to claim 1, wherein the high-temperature gas inlet pipe (1) and the gas outlet pipe (8) respectively extend outwards from the centers of the front end sealing flange (2) and the rear end sealing flange (6), a sealing ring (9) is installed at the center grooves of the front end sealing flange (2) and the rear end sealing flange (6), and the sealing ring (9) is compressed by a compression nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340922.1A CN109307151B (en) | 2018-11-12 | 2018-11-12 | High-pressure gas cylinder filling gas cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340922.1A CN109307151B (en) | 2018-11-12 | 2018-11-12 | High-pressure gas cylinder filling gas cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109307151A CN109307151A (en) | 2019-02-05 |
| CN109307151B true CN109307151B (en) | 2023-11-07 |
Family
ID=65221935
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811340922.1A Active CN109307151B (en) | 2018-11-12 | 2018-11-12 | High-pressure gas cylinder filling gas cooling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109307151B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030165B (en) * | 2021-03-09 | 2022-05-06 | 西安交通大学 | Rectangular experiment section for isothermal wall surface cooling experiment of high-temperature gas |
| CN113623534A (en) * | 2021-07-30 | 2021-11-09 | 正星氢电科技郑州有限公司 | Emergency hydrogen filling system and method |
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| JP2003240453A (en) * | 2002-02-08 | 2003-08-27 | Mitsubishi Heavy Ind Ltd | Heat exchanger |
| JP2006105464A (en) * | 2004-10-04 | 2006-04-20 | Toyota Motor Corp | Heat exchanger and heat exchanger system |
| CN102478365A (en) * | 2010-11-22 | 2012-05-30 | 中国北车集团大连机车研究所有限公司 | Heat radiator and cooling device |
| CN103511833A (en) * | 2013-09-17 | 2014-01-15 | 浙江大学 | Portable self-cooling high-pressure hydrogen pressurizing device and method |
| CN105157452A (en) * | 2015-08-26 | 2015-12-16 | 武汉钢铁(集团)公司 | Efficient heat exchanger for non-self-preheating gas burner type radiation pipe |
| CN105509514A (en) * | 2015-12-11 | 2016-04-20 | 江苏海事职业技术学院 | Fin tube type gas-liquid heat exchanger |
| CN106641697A (en) * | 2016-12-09 | 2017-05-10 | 中国科学院理化技术研究所 | Low-temperature liquid storage container with slit inner fin type heat exchanger and cold screen |
-
2018
- 2018-11-12 CN CN201811340922.1A patent/CN109307151B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE697394A (en) * | 1966-05-03 | 1967-10-02 | ||
| JPH05306844A (en) * | 1992-04-30 | 1993-11-19 | Daikin Ind Ltd | Heat exchanger for cryogenic refrigerator |
| JP2003240453A (en) * | 2002-02-08 | 2003-08-27 | Mitsubishi Heavy Ind Ltd | Heat exchanger |
| JP2006105464A (en) * | 2004-10-04 | 2006-04-20 | Toyota Motor Corp | Heat exchanger and heat exchanger system |
| CN102478365A (en) * | 2010-11-22 | 2012-05-30 | 中国北车集团大连机车研究所有限公司 | Heat radiator and cooling device |
| CN103511833A (en) * | 2013-09-17 | 2014-01-15 | 浙江大学 | Portable self-cooling high-pressure hydrogen pressurizing device and method |
| CN105157452A (en) * | 2015-08-26 | 2015-12-16 | 武汉钢铁(集团)公司 | Efficient heat exchanger for non-self-preheating gas burner type radiation pipe |
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| CN109307151A (en) | 2019-02-05 |
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