JP2008202652A - 液化天然ガスの気化器伝熱管 - Google Patents
液化天然ガスの気化器伝熱管 Download PDFInfo
- Publication number
- JP2008202652A JP2008202652A JP2007037384A JP2007037384A JP2008202652A JP 2008202652 A JP2008202652 A JP 2008202652A JP 2007037384 A JP2007037384 A JP 2007037384A JP 2007037384 A JP2007037384 A JP 2007037384A JP 2008202652 A JP2008202652 A JP 2008202652A
- Authority
- JP
- Japan
- Prior art keywords
- heat transfer
- transfer tube
- tube
- shape
- natural gas
- 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.)
- Granted
Links
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 60
- 230000002093 peripheral effect Effects 0.000 claims abstract description 22
- 239000006200 vaporizer Substances 0.000 claims description 31
- 230000005855 radiation Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000013535 sea water Substances 0.000 abstract description 15
- 230000035882 stress Effects 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 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
- 239000007921 spray Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910018137 Al-Zn Inorganic materials 0.000 description 1
- 229910018573 Al—Zn Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
- F28D3/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with tubular conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
- F28F1/16—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
【解決手段】本発明に係る液化天然ガスの気化器伝熱管は、上下にヘッダーを配置し、このヘッダー間に複数の伝熱管をカーテン状に配列したパネルを設置し、LNGがパネルを形成する伝熱管の下方から上方に向けて流通すると共に、伝熱管の表面に沿って海水を流下させ、伝熱管の内部を流通するLNGとの熱交換によって当該LNGを気化するように構成された液化天然ガスの気化器伝熱管において、伝熱管の下端部近傍部分における管内の周壁面を、円筒形に形成している。また、伝熱管は、管内の周壁面を波形フィン形状に形成し、伝熱管の下端部近傍部分における管内の周壁面を円筒形に形成している。
【選択図】図3
Description
1…波形フィン
2…円管部
3…放熱用フィン
11…伝熱管
12…パネル
13…上部ヘッダー
14…下部ヘッダー
14a…通孔
14b…環状凹部
15…パネルユニット
16…トラフ
17…集水ピット
Claims (7)
- 上下にヘッダーを配置し、このヘッダー間に複数の伝熱管をカーテン状に配列したパネルを設置し、LNGがパネルを形成する伝熱管の下方から上方に向けて流通すると共に、伝熱管の表面に沿って海水を流下させ、伝熱管の内部を流通するLNGとの熱交換によって当該LNGを気化するように構成された液化天然ガスの気化器伝熱管において、伝熱管の下端部近傍部分における管内の周壁面を、円筒形に形成したことを特徴とする液化天然ガスの気化器伝熱管。
- 伝熱管は、管内の周壁面を波形フィン形状に形成し、伝熱管の下端部近傍部分における管内の周壁面を円筒形に形成した請求項1に記載の液化天然ガスの気化器伝熱管。
- 伝熱管の管内における円筒形部分の上部は、波形フィン形状に次第に移行するものである請求項1または2に記載の液化天然ガスの気化器伝熱管。
- 伝熱管の管内における円筒形部分は、伝熱管の最下端部分から、伝熱管とヘッダーとの溶接部分までに形成されている請求項1乃至3のいずれかに記載の液化天然ガスの気化器伝熱管。
- 伝熱管の管内における円筒形部分が、波形フィン形状に次第に移行する部分は、伝熱管の外表面に形成された放熱用フィンの下方に位置している請求項1乃至4のいずれかに記載の液化天然ガスの気化器伝熱管。
- 伝熱管の管内における波形フィン形状は、谷部および山部が丸みを帯びた略星形である請求項1乃至5のいずれかに記載の液化天然ガスの気化器伝熱管。
- 伝熱管の管内における波形フィン形状は、谷部が円弧状もしくは平坦状で、山部が丸みを帯びた略花びら形である請求項1乃至5のいずれかに記載の液化天然ガスの気化器伝熱管。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007037384A JP4958578B2 (ja) | 2007-02-19 | 2007-02-19 | 液化天然ガスの気化器伝熱管 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2007037384A JP4958578B2 (ja) | 2007-02-19 | 2007-02-19 | 液化天然ガスの気化器伝熱管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008202652A true JP2008202652A (ja) | 2008-09-04 |
JP4958578B2 JP4958578B2 (ja) | 2012-06-20 |
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JP2007037384A Active JP4958578B2 (ja) | 2007-02-19 | 2007-02-19 | 液化天然ガスの気化器伝熱管 |
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JP (1) | JP4958578B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109186280A (zh) * | 2018-09-03 | 2019-01-11 | 邯郸市泰荣天然气销售有限公司 | 一种lng空温式气化器 |
USD865141S1 (en) * | 2015-05-21 | 2019-10-29 | Kobe Steet, Ltd. | Heat exchanger tube |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6169686U (ja) * | 1984-10-12 | 1986-05-13 | ||
JPS6184386U (ja) * | 1984-11-02 | 1986-06-03 | ||
JPS6239192U (ja) * | 1985-08-27 | 1987-03-09 | ||
JPH09222292A (ja) * | 1996-02-15 | 1997-08-26 | Mitsubishi Heavy Ind Ltd | 管寄せ装置 |
JPH09317996A (ja) * | 1996-05-27 | 1997-12-12 | Sumitomo Precision Prod Co Ltd | オープンラック型気化装置 |
JP2001255080A (ja) * | 2000-03-09 | 2001-09-21 | Sumitomo Precision Prod Co Ltd | オープンラック型気化器 |
JP2001280861A (ja) * | 2000-03-30 | 2001-10-10 | Tokyo Gas Co Ltd | 低温液化ガス用オープンラック式気化器 |
JP2004044978A (ja) * | 2002-07-15 | 2004-02-12 | Osaka Gas Engineering Co Ltd | 流体流通装置およびその製造方法、空温式液化ガス気化器およびその製造方法 |
JP2004044750A (ja) * | 2002-07-15 | 2004-02-12 | Osaka Gas Engineering Co Ltd | 空温式液化ガス気化器および蒸発ユニット |
-
2007
- 2007-02-19 JP JP2007037384A patent/JP4958578B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6169686U (ja) * | 1984-10-12 | 1986-05-13 | ||
JPS6184386U (ja) * | 1984-11-02 | 1986-06-03 | ||
JPS6239192U (ja) * | 1985-08-27 | 1987-03-09 | ||
JPH09222292A (ja) * | 1996-02-15 | 1997-08-26 | Mitsubishi Heavy Ind Ltd | 管寄せ装置 |
JPH09317996A (ja) * | 1996-05-27 | 1997-12-12 | Sumitomo Precision Prod Co Ltd | オープンラック型気化装置 |
JP2001255080A (ja) * | 2000-03-09 | 2001-09-21 | Sumitomo Precision Prod Co Ltd | オープンラック型気化器 |
JP2001280861A (ja) * | 2000-03-30 | 2001-10-10 | Tokyo Gas Co Ltd | 低温液化ガス用オープンラック式気化器 |
JP2004044978A (ja) * | 2002-07-15 | 2004-02-12 | Osaka Gas Engineering Co Ltd | 流体流通装置およびその製造方法、空温式液化ガス気化器およびその製造方法 |
JP2004044750A (ja) * | 2002-07-15 | 2004-02-12 | Osaka Gas Engineering Co Ltd | 空温式液化ガス気化器および蒸発ユニット |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD865141S1 (en) * | 2015-05-21 | 2019-10-29 | Kobe Steet, Ltd. | Heat exchanger tube |
CN109186280A (zh) * | 2018-09-03 | 2019-01-11 | 邯郸市泰荣天然气销售有限公司 | 一种lng空温式气化器 |
Also Published As
Publication number | Publication date |
---|---|
JP4958578B2 (ja) | 2012-06-20 |
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