CN203758351U - Turbolator for LNG open frame type gasifying device - Google Patents
Turbolator for LNG open frame type gasifying device Download PDFInfo
- Publication number
- CN203758351U CN203758351U CN201420026898.5U CN201420026898U CN203758351U CN 203758351 U CN203758351 U CN 203758351U CN 201420026898 U CN201420026898 U CN 201420026898U CN 203758351 U CN203758351 U CN 203758351U
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- China
- Prior art keywords
- turbolator
- fin
- lng
- central shaft
- frame type
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- 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.)
- Expired - Lifetime
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- 230000007704 transition Effects 0.000 claims abstract description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000012546 transfer Methods 0.000 abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 50
- 239000003345 natural gas Substances 0.000 description 6
- 238000002309 gasification Methods 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000003416 augmentation Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 230000005514 two-phase flow Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Abstract
The utility model provides a turbolator for an LNG open frame type gasifying device and relates to a turbolator. The turbolator comprises a turbolator body (1), wherein the turbolator body is an integral structure comprising a turbolator upper portion (6) and a turbolator lower portion (7). The turbolator upper portion is located at the upper portion of an inner pipe (3) of a gasifying device heat exchange pipe, the turbolator lower portion is inserted into the inner pipe, the turbolator upper portion and the turbolator lower portion form transition at the top of the inner pipe, a central shaft (8) is arranged at the center of the turbolator body, multiple rib pieces (9) are evenly, radially and outward distributed from the central shaft and spirally distributed with the axis of the central shaft as the center, the rib pieces and the central shaft form an integrated multiple-spiral-body structure, and the rib pieces of the turbolator lower portion are smaller than those of the turbolator upper portion in size. The turbolator lower portion is inserted into the inner pipe, heat transfer of the inner pipe portion is strengthened, the turbolator is provided with the rib pieces, protrusions are arranged on the surfaces of the rib pieces, and the heat exchange efficiency of the gasifying device is effectively improved.
Description
[technical field]
The utility model relates to a kind of turbolator, is specifically related to a kind of LNG open-frame type gasifier turbolator.
[background technology]
Natural gas is the main energy sources of following 50～100 years.Along with the development of economic society and scientific and technological progress, world energy sources consumption structure constantly develops to low carbonization.Natural gas is high-quality, efficient, the clean energy, and in world's energy consumption structure, the proportion of natural gas (NG, Natural Gas) has been brought up to rapidly current 24% from 10% of nineteen fifty, become the large energy in third place in the world.Because gaseous natural gas is after-162 DEG C of liquefaction, 620 times of left and right of volume-diminished, therefore for reducing costs, conventionally only transport and storing liquid natural gas (LNG, Liquefied Natural Gas), before use, LNG must be through gasifier gasification, finally become normal-temperature natural-gas, be transported to each user (comprise LNG power station, occupy domestic gas, chemical industry use gas etc.) with gaseous state by pipeline.
Liquified natural gas (LNG) gasifier is the key equipment in whole LNG supply chain, by carrying out heat exchange with the outer top-down seawater of heat exchanger tube, vaporization LNG also heats NG, makes the LNG of low temperature gasify and rise to normal temperature, and conventional gasifier is open-frame type gasifier at present.The elementary cell of open-frame type gasifier is heat exchanger tube, heat exchanger tube comprises finned tube, inner tube and turbolator, when the work of LNG open-frame type gasifier, LNG enters the annulus between inner tube and inner tube and finned tube from LNG pipe simultaneously, LNG in inner tube is spiral under the effect of turbolator, and the effect of turbolator is the turbulence level that improves medium in pipe.Application number is 201210401081.7, publication No. is the utility application that the name of CN 102889813 A is called high-efficient gasification device twin fin pipe combination heat exchange element, a kind of helical form turbulator rod structure is disclosed, this turbulator rod is in outer tube upper semisection and be undertaken on the top of inner tube, and in inner tube, there is no augmentation of heat transfer structure, the heat exchange efficiency of whole heat exchange element is low.
[summary of the invention]
In order to overcome the deficiency in background technology, the utility model discloses a kind of LNG open-frame type gasifier turbolator, the utility model comprises in turbolator part under part and turbolator, partial insertion inner tube inside under turbolator, the augmentation of heat transfer of tube portion in increasing, the outer seawater to make heat exchange of LNG in helicoidal structure thermoexcell and NG medium and heat exchanger tube, multiple fins are set and on the surface of fin, multiple projections are set, increase the turbulence level of medium in heat exchanger tube, effectively improved the heat exchange efficiency of gasifier.
For achieving the above object, the utility model adopts following technical scheme:
A kind of LNG open-frame type gasifier turbolator, comprise turbolator body, described turbolator body is set to comprise in turbolator under part and turbolator integrative-structure partly, in described turbolator, part is positioned at the top of the inner tube of gasifier heat exchanger tube, partial insertion inner tube inside under turbolator, in turbolator under part and turbolator partly in the transition of the top of inner tube, the center of described turbolator body is set to central shaft, from central shaft outwards with radial uniform multiple fins, described fin distributes in the shape of a spiral centered by the axial line of central shaft, described fin and central shaft shape all-in-one-piece spriochaeta polyspira structure, the part that described central shaft is connected with fin adopts arc transition, under described turbolator, the fin of part is less than the fin size of part in turbolator.
Described LNG open-frame type gasifier turbolator, described fin quantity is set to 1～8.
Described LNG open-frame type gasifier turbolator, arranges multiple projections on the surface of fin, and described projection is symmetric along fin, and described protruding quantity is set to 1～10, and height of projection is set to 5%～90% of fin thickness.
Described LNG open-frame type gasifier turbolator, the cross section of described projection is rectangle or waveform.
Described LNG open-frame type gasifier turbolator, material is aluminium alloy.
Owing to adopting technical scheme as above, the utlity model has following beneficial effect:
LNG open-frame type gasifier turbolator described in the utility model, comprise in turbolator part under part and turbolator, partial insertion inner tube inside under turbolator, the augmentation of heat transfer of tube portion in increasing, the outer seawater to make heat exchange of LNG in helicoidal structure thermoexcell and NG medium and heat exchanger tube, multiple fins are set and on the surface of fin, multiple projections are set, increase the turbulence level of medium in heat exchanger tube, effectively improved the heat exchange efficiency of gasifier.
[brief description of the drawings]
Fig. 1 is the structural representation of heat exchanger tube;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is that convex cross section of the present utility model is the cross-sectional structure schematic diagram of the turbolator of rectangle;
Fig. 4 is that convex cross section of the present utility model is the cross-sectional structure schematic diagram of corrugated turbolator;
In the drawings: 1, turbolator; 2, seawater; 3, inner tube; 4, finned tube; 5, annulus; 6, part in turbolator; 7, part under turbolator; 8, central shaft; 9, fin; 10, projection.
[detailed description of the invention]
Can explain in more detail the utility model by the following examples, open the purpose of this utility model is intended to protect all changes and improvements within the scope of the utility model, and the utility model is not limited to the following examples;
LNG open-frame type gasifier turbolator described in 1 ~ 4 by reference to the accompanying drawings, material is aluminium alloy, comprise turbolator 1 body, described turbolator 1 body is set to comprise in turbolator the integrative-structure of part 7 under part 6 and turbolator, in described turbolator, part 6 is positioned at the top of the inner tube 3 of gasifier heat exchanger tube, under turbolator, part 7 is inserted inner tube 3 inside, in turbolator under part 6 and turbolator part 7 in the transition of the top of inner tube 3, the center of described turbolator 1 body is set to central shaft 8, from central shaft 8 outwards with radial uniform multiple fins 9, described fin 9 distributes in the shape of a spiral centered by the axial line of central shaft 8, described fin 9 and central shaft 8 shape all-in-one-piece spriochaeta polyspira structures, the part that described central shaft 8 is connected with fin 9 adopts arc transition, under described turbolator, the fin 9 of part 7 is less than the fin of part in turbolator 69 sizes, described fin 9 quantity are set to 1～8, preferably, arrange multiple protruding 10 on the surface of fin 9, described protruding 10 are symmetric along fin 9, described protruding 10 quantity are set to 1～10, projection 10 is highly set to 5%～90% of fin 9 thickness, described protruding 10 cross section is rectangle or waveform.
Implement LNG open-frame type gasifier turbolator described in the utility model, in described turbolator, part 6 is positioned at the top of the inner tube 3 of gasifier heat exchanger tube, under turbolator, part 7 is inserted inner tube 3 inside, in turbolator under part 6 and turbolator part 7 in the transition of the top of inner tube 3, in turbolator, the part of the gasification zone 2 of the corresponding gasifier heat exchanger tube of part 6 adds inner tube 3, inner tube 3 and turbolator 1 assembly are inserted to finned tube 4 simultaneously and form heat exchanger tube, assembling forms gasifier heat exchange tube sheet, finally turn and be made into LNG gasifier, carry out heat transfer experiments, result shows, turbolator 1 makes medium spiral in heat exchanger tube, in addition the existence of local turbulent flow, greatly improve the heat exchange efficiency of gasifier, fin 9 centered by axial line in the shape of a spiral, with the common spriochaeta polyspira structure that forms of central shaft 8, preferably, there are multiple dimensionally-optimised projections 10 in fin 9 surface design, in LNG monophase field, heat exchanger tube lower end, LNG enters the annulus 5 between inner tube 3 and inner tube 3 and finned tube 4 from LNG pipe simultaneously, turbolator 1 exists and makes the rapid spiral of LNG, the local turbulent flow that forms, turbulence level increases, increase the stroke of unit height, promote heat exchange, in (LNG+NG) two phase flow region, increase the turbulence level of LNG and NG, make part NG gas enter LNG inside, increase the endotherm area of LNG, LNG is gasified rapidly, shorten two phase flow zone length, in NG monophase field, because volume after gas LNGization expands rapidly, NG rises rapidly, under helical structure and projection 10 impacts, the stroke of equal height increases greatly, make that NG is can be more efficient carries out heat exchange with finned tube 4 inwalls, the NG that temperature reaches requirement temperature enters into NG from the outlet of heat exchanger tube and manages, and gasification finishes, the existence of turbolator 1 has increased heat exchanger tube interior media turbulence level, improve the heat exchange of the outer seawater 2 of inner LNG and NG and heat exchanger tube, thereby improve the heat exchange efficiency of gasifier, fin 9 rat 10 structures make to form a large amount of part turbulent flows, further improve heat exchange, promote LNG gasification, the material of turbolator 1 adopts the aluminium alloy that the coefficient of heat transfer is high, processability is good, fin is uniform along axis, prepared by the convenient techniques such as extruding, drawing, torsion that adopt, reduced turbolator 1 internal flaw after moulding, LNG open-frame type gasifier turbolator described in the utility model, simple in structure, size, stable performance, be convenient to assemble with inner tube 3, finned tube 4.
Utility model does not describe part in detail for prior art.
The embodiment selecting in this article for open the purpose of this utility model, current think suitable, but will be appreciated that, the utility model is intended to comprise that all belong to all changes and the improvement of the embodiment within the scope of this design and the utility model.
Claims (5)
1. a LNG open-frame type gasifier turbolator, comprise turbolator (1) body, it is characterized in that: described turbolator (1) body is set to comprise in turbolator under part (6) and turbolator the partly integrative-structure of (7), in described turbolator, part (6) is positioned at the top of the inner tube (3) of gasifier heat exchanger tube, under turbolator, part (7) is inserted inner tube (3) inside, in turbolator under part (6) and turbolator partly (7) in the top transition of inner tube (3), the center of described turbolator (1) body is set to central shaft (8), from central shaft (8) outwards with radial uniform multiple fins (9), described fin (9) distributes in the shape of a spiral centered by the axial line of central shaft (8), described fin (9) and central shaft (8) shape all-in-one-piece spriochaeta polyspira structure, the part that described central shaft (8) is connected with fin (9) adopts arc transition, under described turbolator, the fin (9) of part (7) is less than fin (9) size of part (6) in turbolator.
2. LNG open-frame type gasifier turbolator according to claim 1, is characterized in that: described fin (9) quantity is set to 1～8.
3. LNG open-frame type gasifier turbolator according to claim 1, it is characterized in that: on the surface of fin (9), multiple projections (10) are set, described projection (10) is symmetric along fin (9), described projection (10) quantity is set to 1～10, and projection (10) is highly set to 5%～90% of fin (9) thickness.
4. LNG open-frame type gasifier turbolator according to claim 3, is characterized in that: the cross section of described projection (10) is rectangle or waveform.
5. LNG open-frame type gasifier turbolator according to claim 1, is characterized in that: material is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026898.5U CN203758351U (en) | 2014-01-16 | 2014-01-16 | Turbolator for LNG open frame type gasifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026898.5U CN203758351U (en) | 2014-01-16 | 2014-01-16 | Turbolator for LNG open frame type gasifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758351U true CN203758351U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420026898.5U Expired - Lifetime CN203758351U (en) | 2014-01-16 | 2014-01-16 | Turbolator for LNG open frame type gasifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203758351U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727831A (en) * | 2014-01-16 | 2014-04-16 | 中国船舶重工集团公司第七二五研究所 | Turbolator for LNG open-frame type gasifier |
| CN105020578A (en) * | 2015-07-14 | 2015-11-04 | 河南科技大学 | Circular type low-temperature liquid gasification device |
| CN106197083A (en) * | 2016-08-30 | 2016-12-07 | 中国海洋石油总公司 | A kind of open-frame type gasifier heat exchanger tube |
-
2014
- 2014-01-16 CN CN201420026898.5U patent/CN203758351U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727831A (en) * | 2014-01-16 | 2014-04-16 | 中国船舶重工集团公司第七二五研究所 | Turbolator for LNG open-frame type gasifier |
| CN103727831B (en) * | 2014-01-16 | 2016-01-27 | 中国船舶重工集团公司第七二五研究所 | A kind of Turbolator for LNG open-frame type gasifier |
| CN105020578A (en) * | 2015-07-14 | 2015-11-04 | 河南科技大学 | Circular type low-temperature liquid gasification device |
| CN105020578B (en) * | 2015-07-14 | 2017-07-28 | 河南科技大学 | A kind of circulating cryogenic liquid gasification installation |
| CN106197083A (en) * | 2016-08-30 | 2016-12-07 | 中国海洋石油总公司 | A kind of open-frame type gasifier heat exchanger tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |