CN211462088U - N used for evaporating LNG product2Novel evaporator - Google Patents
N used for evaporating LNG product2Novel evaporator Download PDFInfo
- Publication number
- CN211462088U CN211462088U CN201922214360.2U CN201922214360U CN211462088U CN 211462088 U CN211462088 U CN 211462088U CN 201922214360 U CN201922214360 U CN 201922214360U CN 211462088 U CN211462088 U CN 211462088U
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- China
- Prior art keywords
- channel
- lng
- liquid level
- level meter
- refrigerant
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- 238000001704 evaporation Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000003507 refrigerant Substances 0.000 claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims abstract description 5
- 230000008016 vaporization Effects 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 2
- 229930195733 hydrocarbon Natural products 0.000 abstract description 2
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 2
- 239000003949 liquefied natural gas Substances 0.000 description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000003345 natural gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- -1 i.e. Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- 239000002994 raw material Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a be arranged in evaporating LNG product N2The novel evaporator comprises a channel I, a channel II, an upper interface of a liquid level meter, a lower interface of the liquid level meter, a refrigerant inlet pipe, a refrigerant outlet pipe and an LNG outlet, wherein the refrigerant inlet pipe is connected with the channel II, the upper interface of the liquid level meter is connected with the channel I, the refrigerant outlet pipe is connected with the channel II, the LNG outlet is connected with the channel I, the lower interface of the liquid level meter is connected with the channel I, a steel-aluminum joint is arranged at the joint of the channel II and the channel I for transition, an aluminum plate-fin heat exchanger is arranged in the channel IIThe temperature of the channel II is between 10 and minus 90 ℃, and the working temperature of the channel II is between minus 110 and minus 90 ℃; through using the utility model discloses, nitrogen content is very low in the control LNG, has reduced gaseous evaporation in the transportation like this, has guaranteed the safety of LNG in the transportation, has also improved LNG's calorific value simultaneously, has improved the security that LNG stored, has also reduced the emission of hydrocarbon material because of LNG evaporates simultaneously to atmospheric pollution.
Description
Technical Field
The utility model relates to an evaporimeter, in particular to be arranged in evaporating LNG product N2The novel evaporator of (1).
Background
LNG, i.e., liquefied natural gas, is natural gas that is liquid at normal pressure obtained by purifying natural gas produced in a gas field and then liquefying the natural gas at a series of ultra-low temperatures, and is known as the cleanest fossil energy on earth. Typically, the liquefied natural gas is at normal atmospheric pressure, but is liquefied by cooling to about-163 degrees celsius. The LNG mainly contains methane, is colorless, tasteless, nontoxic and noncorrosive, has the volume about 1/625 of the same volume of gaseous natural gas, and has the mass only about 45 percent of the same volume of water; in the process of liquefying natural gas, because of different source places of raw material gas, the content of impurity nitrogen in the natural gas is suddenly high and suddenly low, so that the content of nitrogen in the LNG product is also continuously changed, the calorific value of the LNG product is reduced, and the insecurity of a tank car in the process of transporting the LNG is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem, provide a N is arranged in evaporating LNG product2The utility model discloses a novel evaporimeter, the utility model discloses the technical scheme who adopts is: n used for evaporating LNG product2The novel evaporimeter of, import pipe, cryogen outlet pipe and LNG export including passageway I, passageway II, level gauge device, cryogen, the level gauge device includes interface and level gauge lower clutch on the level gauge, cryogen imports the union coupling passageway II, the level gauge device install in the passageway I, interface connection on the level gauge passageway I, cryogen outlet pipe connection passageway II, the LNG exit linkage passageway I, interface connection under the level gauge passageway I.
Furthermore, the material of the channel I is S30408 stainless steel.
Further, the channel II is made of 3003 aluminum plates.
Furthermore, a steel-aluminum joint is arranged at the joint of the channel II and the channel I for transition.
Further, an aluminum plate-fin heat exchanger is arranged in the channel II.
Further, the channel I media are LNG and N2。
Further, the medium of the channel II is refrigerant.
Furthermore, the working temperature of the channel I is-160 ℃ to-110 ℃, and the operating pressure is 1.6 MPa.
Furthermore, the working temperature of the channel II is-110 ℃ to-90 ℃, and the operating pressure is 3.0 MPa.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through using the utility model discloses, nitrogen content is very low in the control LNG, has reduced gaseous evaporation like this in the transportation, has guaranteed the safety of LNG in the transportation, has also improved LNG's calorific value simultaneously.
2. Through the utility model discloses a control, nitrogen content is very low in the LNG, has improved the security that LNG stored, makes the LNG evaporation value at lower within range, has also reduced like this because of the emission of the hydrocarbon material that LNG evaporated to atmospheric pollution.
Drawings
In order to more clearly explain the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
FIG. 1 is an overall structure diagram of the present invention;
the corresponding device and equipment names are marked in the attached drawings:
in the figure, 1-channel I, 2-channel II, 3-liquid level meter upper interface, 4-liquid level meter lower interface, 5-refrigerant inlet pipe, 6-refrigerant outlet pipe and 7-LNG outlet.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
The core of the utility model is to provide a N is arranged in evaporating LNG product2The novel evaporator can solve the problem that nitrogen in LNG can not be removed smoothly.
FIG. 1 is the overall structure diagram of the present invention, as shown in FIG. 1, the present invention relates to a method for vaporizing LNG products2The novel evaporator comprises a channel I1, a channel II2, a liquid level meter device, a refrigerant inlet pipe 5, a refrigerant outlet pipe 6 and an LNG outlet 7, wherein the liquid level meter device comprises a liquid level meter upper interface 3 and a liquid level meter lower interface 4, the refrigerant inlet pipe 5 is connected with the channel II2, the liquid level meter device is installed in the channel I1, the liquid level meter upper interface 3 is connected with the channel I1, the refrigerant outlet pipe 6 is connected with the channel II2, the refrigerant outlet pipe 6 is connected with the channel II2, the LNG outlet 7 is connected with the channel I1, and the liquid level meter lower interface 4 is connected with the channel I1.
The channel I1 is made of S30408 stainless steel, the channel II2 is made of 3003 aluminum plate, a steel-aluminum joint is arranged at the joint of the channel II2 and the channel I1 for transition, an aluminum plate-fin heat exchanger is arranged in the channel II2, and the channel I1 media are LNG and N2The medium of the channel II2 is refrigerant, the working temperature of the channel I1 is-160 ℃ to-110 ℃, the operating pressure is 1.6MPa, the working temperature of the channel II2 is-110 ℃ to-90 ℃, and the operating pressure is 3.0 MPa.
The utility model discloses the theory of operation: LNG enters a channel I1 made of S30408 stainless steel, refrigerant enters a channel II2 made of 3003 aluminum plates from a refrigerant inlet pipe 5, an aluminum plate-fin heat exchanger is arranged in the channel II2, a steel-aluminum joint is arranged at the joint of the channel II2 and the channel I1 for transition, and the media of the channel I1 are LNG and N2The medium of the channel II2 is refrigerant, the working temperature of the channel I1 is-160 ℃ to-110 ℃, the operating pressure is 1.6MPa, the working temperature of the channel II2 is-110 ℃ to-90 ℃, and the operating pressure is 3.0 MPa.
The refrigerant in passage II2 is used as a heat source to heat the LNG continuously,n in such LNG2The refrigerant is evaporated and cooled after being used, the cooled refrigerant flows out from a refrigerant outlet pipe 6, a liquid level meter device is fixed in a channel I1 through a lower liquid level meter interface 4 and an upper liquid level meter interface 3, the liquid level meter device controls the LNG outflow quantity of an LNG outlet 7 through the height change of the liquid position, and the refrigerant quantity of a channel II2 is according to N in the LNG product in the LNG outlet 72The content level is manually increased and decreased.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains; it is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (9)
1. N used for evaporating LNG product2The novel evaporator comprises a channel I (1), a channel II (2), a liquid level meter device, a refrigerant inlet pipe (5), a refrigerant outlet pipe (6) and an LNG outlet (7), and is characterized in that the liquid level meter device comprises a liquid level meter upper interface (3) and a liquid level meter lower interface (4), the refrigerant inlet pipe (5) is connected with the channel II (2), the liquid level meter device is installed in the channel I (1), the liquid level meter upper interface (3) is connected with the channel I (1), the refrigerant outlet pipe (6) is connected with the channel II (2), the LNG outlet (7) is connected with the channel I (1), and the liquid level meter lower interface (4) is connected with the channel I (1).
2. Use according to claim 1 for vaporizing N in LNG products2The novel evaporator is characterized in that,the channel I (1) is made of S30408 stainless steel.
3. Use according to claim 1 for vaporizing N in LNG products2The novel evaporator is characterized in that the channel II (2) is made of 3003 aluminum plates.
4. Use according to claim 1 for vaporizing N in LNG products2The novel evaporator is characterized in that a steel-aluminum joint is arranged at the joint of the channel II (2) and the channel I (1) for transition.
5. Use according to claim 1 for vaporizing N in LNG products2The novel evaporator is characterized in that an aluminum plate-fin heat exchanger is arranged in the channel II (2).
6. Use according to claim 1 for vaporizing N in LNG products2The novel evaporator is characterized in that the medium of the channel I (1) is LNG and N2。
7. Use according to claim 1 for vaporizing N in LNG products2The novel evaporator is characterized in that the medium of the channel II (2) is refrigerant.
8. Use according to claim 1 for vaporizing N in LNG products2The novel evaporator is characterized in that the working temperature of the channel I (1) is-160 ℃ to-110 ℃, and the operating pressure is 1.6 MPa.
9. Use according to claim 1 for vaporizing N in LNG products2The novel evaporator is characterized in that the working temperature of the channel II (2) is between 110 ℃ below zero and 90 ℃ below zero, and the operating pressure is 3.0 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922214360.2U CN211462088U (en) | 2019-12-11 | 2019-12-11 | N used for evaporating LNG product2Novel evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922214360.2U CN211462088U (en) | 2019-12-11 | 2019-12-11 | N used for evaporating LNG product2Novel evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211462088U true CN211462088U (en) | 2020-09-11 |
Family
ID=72373650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922214360.2U Active CN211462088U (en) | 2019-12-11 | 2019-12-11 | N used for evaporating LNG product2Novel evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211462088U (en) |
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2019
- 2019-12-11 CN CN201922214360.2U patent/CN211462088U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of evaporator for evaporating N2in LNG products Effective date of registration: 20240103 Granted publication date: 20200911 Pledgee: Ningxia East Guarantee Co.,Ltd. Pledgor: Ningxia XINKEYUAN energy utilization Co.,Ltd. Registration number: Y2023640000050 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |