CN215335778U - Cold volume recovery unit of liquefied natural gas mill - Google Patents
Cold volume recovery unit of liquefied natural gas mill Download PDFInfo
- Publication number
- CN215335778U CN215335778U CN202121209302.1U CN202121209302U CN215335778U CN 215335778 U CN215335778 U CN 215335778U CN 202121209302 U CN202121209302 U CN 202121209302U CN 215335778 U CN215335778 U CN 215335778U
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- China
- Prior art keywords
- natural gas
- box
- liquefied natural
- heat exchange
- gasification heat
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- 238000011084 recovery Methods 0.000 title claims abstract description 33
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 30
- 238000002309 gasification Methods 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003345 natural gas Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000013011 mating Effects 0.000 abstract description 2
- 241000220317 Rosa Species 0.000 description 9
- 238000001914 filtration Methods 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The utility model discloses a cold energy recovery device for a liquefied natural gas factory, which comprises a base, wherein a gasification heat exchange box and an air cooling box are respectively and fixedly installed on the upper surface of the base, a gasifier is arranged inside the gasification heat exchange box, a natural gas liquid inlet pipe is embedded in the side surface of the gasification heat exchange box, the input end of the gasifier is communicated with the natural gas liquid inlet pipe, a filter box is fixedly installed on the upper surface of the gasification heat exchange box, a placing hole is formed in the side surface of the filter box, a filter screen plate is inserted into the inner wall of the placing hole, and a cover plate is arranged on the side surface of the filter screen plate. This cold volume recovery unit of liquefied natural gas mill, through the mating reaction of gasification heat transfer case and air-cooling case, can utilize the endothermic characteristic of liquefied natural gas gasification to carry out the heat absorption cooling with gasification heat transfer case normal water, then pass through the exhaust pipe discharge with the cold volume that produces in the air-cooling case through the fan to realize liquefied natural gas's cold volume recycle, whole process integration degree is high, and the environmental protection is pollution-free, realizes the effect of energy saving.
Description
Technical Field
The utility model relates to the technical field of cold energy recovery, in particular to a cold energy recovery device for a liquefied natural gas factory.
Background
Liquefied natural gas, the main component of which is methane, is generally recognized as the cleanest fossil energy on earth, and is colorless, tasteless, nontoxic and noncorrosive.
In the transportation or application process of liquefied natural gas, liquid natural gas is generally required to be converted into gaseous natural gas, a large amount of cold energy is generated in the conversion process, and the large amount of cold energy is released into air to be not reasonably recycled, so that the loss and waste of the cold energy are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cold energy recovery device for a liquefied natural gas factory, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a cold energy recovery device for a liquefied natural gas factory comprises a base, wherein a gasification heat exchange box and an air cooling box are respectively and fixedly arranged on the upper surface of the base, a gasifier is arranged inside the gasification heat exchange box, and the side of the gasification heat exchange box is embedded with a natural gas liquid inlet pipe, the input end of the gasifier is communicated with the natural gas liquid inlet pipe, the upper surface of the gasification heat exchange box is fixedly provided with a filter box, the side of the filter box is provided with a placing hole, the inner wall of the placing hole is inserted with a filter screen plate, the side of the filter screen plate is provided with a cover plate, the surface of the cover plate is provided with a sealing gasket, the cover plate is fixedly connected with the surface of the filter box through a fixing bolt, the output end of the gasifier is communicated with the interior of the filter box through an air duct, the inner wall of the air cooling box is fixedly provided with a fan, and the inner wall of the air cooling box is embedded with a cold energy recovery pipe, and the two ends of the cold energy recovery pipe are communicated with the inside of the gasification heat exchange box.
Preferably, the upper surface of the air cooling box is fixedly provided with a circulating water pump, and the input end and the output end of the circulating water pump are fixedly connected with a cold energy recovery pipe.
Preferably, the surface of the cold energy recovery pipe is wound with cooling fins, and the right side of the air cooling box is embedded with an exhaust pipe.
Preferably, an air inlet is formed in the left side of the air cooling box, and a dust screen is arranged on the inner wall of the air inlet.
Preferably, the inner wall of the filter box is fixedly connected with a fixed inserting block, and the surface of the fixed inserting block is provided with a slot matched with the filter screen plate.
Preferably, a water inlet pipe is embedded in the surface of the gasification heat exchange box, and an exhaust pipe is embedded in the upper surface of the filter box.
Advantageous effects
The utility model provides a cold energy recovery device for a liquefied natural gas factory, which has the following beneficial effects:
1. this cold volume recovery unit of liquefied natural gas mill, through the mating reaction of gasification heat transfer case and air-cooling case, can utilize the endothermic characteristic of liquefied natural gas gasification to carry out the heat absorption cooling with gasification heat transfer case normal water, then pass through the exhaust pipe discharge with the cold volume that produces in the air-cooling case through the fan to realize liquefied natural gas's cold volume recycle, whole process integration degree is high, and the environmental protection is pollution-free, realizes the effect of energy saving.
2. This cold volume recovery unit of liquefied natural gas mill through setting up the rose box, can carry out filtration treatment to the liquefied natural gas after the gasification, and crosses the filter plate and be convenient for install and dismantle, makes things convenient for the staff to maintain and clear up crossing the filter plate, has improved the practicality of device.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the internal structure of the filtration tank of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1 gasification heat exchange box, 2 air cooling box, 3 gasifier, 4 natural gas feed pipe, 5 rose box, 6 filter plate, 7 cover plate, 8 sealing gasket, 9 fan, 10 cold recovery pipe, 11 circulating water pump, 12 exhaust pipe, 13 dust screen, 14 inlet pipe, 15 blast pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a cold volume recovery unit of liquefied natural gas mill, the on-line screen storage device comprises a base, the upper surface of base fixed mounting respectively has gasification heat transfer case 1 and forced air cooling case 2, the surface of gasification heat transfer case 1 inlays and is equipped with inlet tube 14, the inside of gasification heat transfer case 1 is provided with vaporizer 3, and the side of gasification heat transfer case 1 inlays and is equipped with natural gas feed liquor pipe 4, the input and the natural gas feed liquor pipe 4 of vaporizer 3 are linked together, the last fixed surface of gasification heat transfer case 1 installs rose box 5, the upper surface of rose box 5 inlays and is equipped with blast pipe 15.
The hole of placing has been seted up to the side of rose box 5, the inner wall of placing the hole is pegged graft and is had filter plate 6, the fixed inserted block of inner wall fixedly connected with of rose box 5, the surface of fixed inserted block is seted up with filter plate 6 assorted slot, filter plate 6's side is provided with apron 7, the surface of apron 7 is provided with sealed pad 8, sealed pad 8 is used for sealed gap of placing between hole and the filter plate 6, and apron 7 is connected through fixing bolt and rose box 5's fixed surface, the output of gasifier 3 is linked together through the inside of air duct and rose box 5, the inner wall fixed mounting of forced air cooling case 2 has fan 9.
Through setting up rose box 5, can carry out filtration treatment to the liquefied natural gas after the gasification, and filter plate 6 and be convenient for install and dismantle, make things convenient for the staff to maintain and clear up filter plate 6, improved the practicality of device.
The air inlet has been seted up on air-cooled case 2 left side, and the inner wall of air inlet is provided with dust screen 13, and the position of dust screen 13 is corresponding with fan 9, and the inner wall of air-cooled case 2 inlays and establishes and install cold volume recovery pipe 10, and the both ends of cold volume recovery pipe 10 all are linked together with the inside of gasification heat transfer case 1.
The upper surface fixed mounting of forced air cooling case 2 has circulating water pump 11, and circulating water pump 11's input and output all with cold volume recovery tube 10 fixed connection, the surface winding of cold volume recovery tube 10 is provided with the fin, and the right side of forced air cooling case 2 inlays to establish installs exhaust pipe 12.
Through the cooperation of gasification heat transfer case 1 and air-cooled box 2, can utilize the endothermic characteristic of liquefied natural gas gasification to carry out the heat absorption cooling with gasification heat transfer case 1 normal water, then discharge through exhaust pipe 12 with the cold volume that produces in the air-cooled box 2 through fan 9 to realize liquefied natural gas's cold volume recycle, whole process integration degree is high, and the environmental protection is pollution-free, realizes the effect of energy saving.
The working principle is as follows: firstly, the gasification heat exchange box 1 is filled with water through a water inlet pipe 14, then liquefied natural gas is input into a gasifier 3 in the gasification heat exchange box 1 through a natural gas inlet pipe 4, the heat of the water in the gasification heat exchange box 1 is absorbed in the gasification process of the gasifier 3, then the cold water is input into the air cooling box 2 by utilizing a circulating water pump 11 and a cold recovery pipe 10, the cold energy recycling pipe 10 is exhausted by the fan 9, so that the cold energy in the air cooling box 2 is exhausted by the exhaust pipe 12, thereby realizing the recovery and utilization of the cold energy of the natural gas, the whole process has high integration degree, environmental protection and no pollution, realizes the effect of saving energy, and by arranging the filter box 5, can carry out filtration treatment to the liquefied natural gas after the gasification, and filter screen plate 6 and be convenient for install and dismantle, make things convenient for the staff to maintain and clear up filter screen plate 6, improve the practicality of device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cold volume recovery unit of liquefied natural gas factory, includes the base, its characterized in that: the upper surface of the base is respectively and fixedly provided with a gasification heat exchange box (1) and an air cooling box (2), the inside of the gasification heat exchange box (1) is provided with a gasifier (3), the side surface of the gasification heat exchange box (1) is embedded with a natural gas liquid inlet pipe (4), the input end of the gasifier (3) is communicated with the natural gas liquid inlet pipe (4), the upper surface of the gasification heat exchange box (1) is fixedly provided with a filter box (5), the side surface of the filter box (5) is provided with a placing hole, the inner wall of the placing hole is inserted with a filter screen plate (6), the side surface of the filter screen plate (6) is provided with a cover plate (7), the surface of the cover plate (7) is provided with a sealing gasket (8), the cover plate (7) is fixedly connected with the surface of the filter box (5) through a fixing bolt, the output end of the gasifier (3) is communicated with the inside of the filter box (5) through an air duct, the inner wall of the air cooling box (2) is fixedly provided with a fan (9), and the inner wall of the air cooling box (2) is embedded with a cold energy recovery pipe (10), and the two ends of the cold energy recovery pipe (10) are communicated with the inside of the gasification heat exchange box (1).
2. The cold energy recovery device of the liquefied natural gas factory according to claim 1, wherein: and the upper surface of the air cooling box (2) is fixedly provided with a circulating water pump (11), and the input end and the output end of the circulating water pump (11) are fixedly connected with a cold quantity recovery pipe (10).
3. The cold energy recovery device of the liquefied natural gas factory according to claim 1, wherein: the surface winding of cold volume recovery tube (10) is provided with the fin, the right side of forced air cooling case (2) is inlayed and is established and install exhaust pipe (12).
4. The cold energy recovery device of the liquefied natural gas factory according to claim 1, wherein: an air inlet is formed in the left side of the air cooling box (2), and a dust screen (13) is arranged on the inner wall of the air inlet.
5. The cold energy recovery device of the liquefied natural gas factory according to claim 1, wherein: the inner wall of the filter box (5) is fixedly connected with a fixed insert block, and the surface of the fixed insert block is provided with a slot matched with the filter screen plate (6).
6. The cold energy recovery device of the liquefied natural gas factory according to claim 1, wherein: the gasification heat exchange box is characterized in that a water inlet pipe (14) is embedded in the surface of the gasification heat exchange box (1), and an exhaust pipe (15) is embedded in the upper surface of the filter box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121209302.1U CN215335778U (en) | 2021-06-01 | 2021-06-01 | Cold volume recovery unit of liquefied natural gas mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121209302.1U CN215335778U (en) | 2021-06-01 | 2021-06-01 | Cold volume recovery unit of liquefied natural gas mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215335778U true CN215335778U (en) | 2021-12-28 |
Family
ID=79549919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121209302.1U Expired - Fee Related CN215335778U (en) | 2021-06-01 | 2021-06-01 | Cold volume recovery unit of liquefied natural gas mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215335778U (en) |
-
2021
- 2021-06-01 CN CN202121209302.1U patent/CN215335778U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |