CN206206999U - Open-frame type gasifier with efficient heat-exchanging pipe - Google Patents
Open-frame type gasifier with efficient heat-exchanging pipe Download PDFInfo
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- CN206206999U CN206206999U CN201620975122.7U CN201620975122U CN206206999U CN 206206999 U CN206206999 U CN 206206999U CN 201620975122 U CN201620975122 U CN 201620975122U CN 206206999 U CN206206999 U CN 206206999U
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Abstract
A kind of open-frame type gasifier with efficient heat-exchanging pipe, including some groups of template tube banks and seawater spraying system, it is characterized in that every group of template tube bank is rearranged by some efficient heat-exchanging pipes according to tabular, the two ends of all efficient heat-exchanging pipes connect with same discharge and same collector tube respectively in every group of tube bank, and the quantity of the efficient heat-exchanging pipe can be adjusted according to the heat exchange area needed under open-frame type gasifier difference operating mode.The gasification section of the utility model efficient heat-exchanging pipe uses three layers of sleeve structure, superheat section uses double-layer sleeve structure, the sandwich construction of inner sleeve and annular space is formed in heat exchanger tube, improve the efficiency of heat transfer, and manufacture installs simple, the manufacturing cost of open-frame type gasifier heat exchange inner casing tube is reduced.
Description
Technical field
The utility model is related to a kind of liquefied natural gas（LNG）Gasification installation, and in particular to one kind carry high efficient heat exchanging
The open-frame type gasifier of pipe.
Background technology
Gaseous natural gas（NG）It is changed into liquified natural gas after being cooled to -162 DEG C（LNG）, while volume-diminished is extremely
1/620, it is readily transported and stores, but cannot directly uses.Before using liquefied natural gas, it is necessary to first pass through LNG receiving stations
LNG gasification device is converted into gaseous natural gas（NG）, just can be for users to use.With Chinese LNG receiving stations Quantity and building
If scale is developed rapidly, the market demand of LNG gasification device also constantly expanding.
LNG gasification device is the key equipment in whole LNG supply chains.LNG receiving stations build by seashore mostly, and seawater is just
Into gasification LNG is most economical, most convenient thermal source, in addition, the temperature of seawater is more stable, and thermal capacity is big, so using seawater
As the open-frame type gasifier of thermal source just into the major gasification device of LNG receiving stations.Open-frame type gasifier is suitable for base load
The large-scale gasification supply system of type, up to more than 180t/h, amount of vaporization can be in the load range of 0-100% for gasification LNG abilities
Operation.
The elementary cell of open-frame type gasifier is heat exchanger tube, is typically made up of finned tube, inner sleeve, the part of plug-in part three,
Functionally it is generally divided into gasification section and bringing-up section.As the critical elements for realizing high efficient heat exchanging, inner sleeve pipe size precision prescribed
Height, finned tube is accurate with the installation requirement of inner sleeve, finned tube and plug-in part, and such as in use, plug-in part is on spiral
Position changes in the presence of the gas and liquid that rise, will directly affect the stability of open-frame type gasifier operation.
At present, the open-frame type gasifier for producing both at home and abroad, is equipped with interior inside the gasification section and bringing-up section of its heat exchanger tube
Plug-in unit, inner rib plate etc., it is such to design the manufacture difficulty and manufacturing cost that increased heat exchanger tube, and heat exchange efficiency is unstable.Cause
This, a kind of design more preferable open-frame type gasifier of simplified easy to install and heat transfer effect is extremely urgent with heat exchanger tube.
Utility model content
The purpose of this utility model is directed to above-mentioned existing liquefied natural gas gasifying heat pipe because structure design is unreasonable and easy
There is the problem of inner tube Influence of Displacement equipment safety operation, design a kind of open-frame type gasifier with efficient heat-exchanging pipe, it is to avoid
Heat exchanger tube internals deform the problem of displacement, influence heat transfer efficiency and equipment stable operation.
The technical solution of the utility model is：
A kind of open-frame type gasifier with efficient heat-exchanging pipe, including some groups of template tube banks and seawater spraying system, its
It is characterized in that every group of template tube bank is rearranged by some efficient heat-exchanging pipes according to tabular, all efficient heat-exchanging pipes in every group of tube bank
Two ends connected with same discharge and same collector tube respectively, the quantity of the efficient heat-exchanging pipe can be according to open-shelf
The heat exchange area that needs is adjusted under gasifier difference operating mode.
Liquefied natural gas（LNG）Gasifier includes bringing-up section, gasification section and the part of superheat section three with efficient heat-exchanging pipe；It is described
The inside pipe wall of bringing-up section is plum-shaped structure；The inside pipe wall of the gasification section is shiny surface or channel structure, described smooth
It is set with the gasification section pipe of face or channel structure in the gasification section inner tube of screw thread or bellows structure, the gasification section inner tube again
It is set with the gasification section inner tube again of distortion tubular construction；The inside pipe wall of the superheat section be shiny surface or channel structure, it is described smooth
The superheat section inner tube of bellows or node tubular construction is set with the superheat section pipe of face or channel structure.
The heat exchange pipe outer wall is straight fins structure, and the fin height on the same section of heat exchanger tube is identical or differs.
The heat exchange pipe outer wall is helical fin structure, and the fin height on the same section of heat exchanger tube can be differed.
The heat exchange area of open-frame type gasifier can be adjusted in the range of 1 ㎡ -6000 ㎡.
Throttling hole nozzle is provided with the collector tube of described connection efficient heat-exchanging pipe, so that liquefaction is natural in every heat exchanger tube
The uniform flow of gas.
The throttling hole nozzle connected in the collector tube of efficient heat-exchanging pipe can make the flow of liquefied natural gas in every heat exchanger tube
Evening ratio is not less than 95%.
The utility model has the advantages that：
1. the outer wall of the utility model efficient heat-exchanging pipe is straight fins or helical fin, and fin height can differ,
Heat exchange area is increase effectively, uniform study of water film distribution is formd, the heat exchange between seawater and heat exchange pipe outer wall is enhanced.
2. the gasification section of the utility model efficient heat-exchanging pipe uses three layers of sleeve structure, superheat section to use bilayer sleeve knot
Structure, is formed the sandwich construction of inner sleeve and annular space in heat exchanger tube, improve the efficiency of heat transfer, and letter is installed in manufacture
It is single, reduce the manufacturing cost of open-frame type gasifier heat exchange inner casing tube.
3. interpolation fin is not provided with efficient heat-exchanging pipe, it is to avoid fin deforms the situation of displacement, it is ensured that equipment
Stable operation.
4. open-frame type gasifier of the present utility model can by adjusting the quantity of heat exchanger tube come the heat exchange area of adjusting device,
Enable a device to be applied to different live loads.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model efficient heat-exchanging pipe tabular comb.
Fig. 2 is the cross-sectional end view of the utility model efficient heat-exchanging pipe bringing-up section.
Fig. 3 is the cross-sectional end view that the utility model efficient heat-exchanging pipe gasification section inner tube is shiny surface.
Fig. 4 is the cross-sectional end view that the utility model efficient heat-exchanging pipe gasification section inner tube is channel structure.
Fig. 5 is the cross-sectional end view that the utility model efficient heat-exchanging pipe superheat section inner tube is shiny surface.
Fig. 6 is the cross-sectional end view that the utility model efficient heat-exchanging pipe superheat section inner tube is channel structure.
Fig. 7 be in Fig. 3 A-A to sectional view.
Fig. 8 is the sectional view of B-B direction in Fig. 5.
Fig. 9 is the utility model open-frame type gasifier template Pipe bundle structure schematic diagram.
In figure：1- efficient heat-exchanging pipes, 2- collector tubes, 3- discharges, 11- bringing-up sections, 12- gasification sections, 13- superheat sections,
121- gasification section inner tubes, 122- gasification sections inner tube, 131- superheat section inner tubes again.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment one.
As Figure 1-5, a kind of efficient heat-exchanging pipe for open-frame type gasifier, the outer wall of efficient heat-exchanging pipe 1 is straight fins
Structure, the fin height on same section be able to can also be differed with identical.1 point of the efficient heat-exchanging pipe is bringing-up section 11, gas
Change section 12, the part of superheat section 13 3；In the bringing-up section 11, the inwall of efficient heat-exchanging pipe 1 is quincunx fin structure, in pipe not
It is set with any inner tube；In the gasification section 12, the inwall of efficient heat-exchanging pipe 1 is shiny surface or channel structure, suit in pipe
There is gasification section inner tube 121, the gasification section inner tube 121 is screw thread tubular construction, and gasification section is also set with again in gasification section inner tube 121
Inner tube 122, inner tube 122 is distortion tubular construction to the gasification section again；In the superheat section 13, the inwall of efficient heat-exchanging pipe 1 is light
Sliding surface or channel structure, are set with superheat section inner tube 131 in pipe, the superheat section inner tube 131 is bellows structure.
Embodiment two.
A kind of efficient heat-exchanging pipe for open-frame type gasifier, be with the difference of embodiment one, outside efficient heat-exchanging pipe 1
Wall is helical fin structure, and the fin height on same section be able to can also be differed with identical.
Embodiment three
A kind of open-frame type gasifier, including some groups of template tube banks and seawater spraying system, every group of template tube bank is by some
Root efficient heat-exchanging pipe 1 is arranged according to tabular（Every heat exchanger tube is arranged in parallel）, every two ends of efficient heat-exchanging pipe 1 respectively with gas collection
Pipe 3 is connected with collector tube 2.When open-frame type gasifier works, seawater spraying is restrained outer surface by seawater spraying system in template
On, by the effect of gravity, seawater flows along the outer wall of efficient heat-exchanging pipe 1 from top to bottom, liquified natural gas（LNG）From liquid collecting
Flowed into one by one in pipe 2 in every efficient heat-exchanging pipe 1, the bottom-up flowing in pipe.Seawater transfers heat to liquid day hot gas
（LNG）, after it have passed through bringing-up section 11, gasification section 12, superheat section 13, final gasification is gaseous natural gas to LNG, and enters gas collection
Pipe 3, subsequently into user terminal.
The utility model can according to the quantity that heat exchanger tube is adjusted the need for open-frame type gasifier different operating load,
So as to adjust the heat exchange area of open-frame type gasifier, the adjusting range of heat exchange area is between 1 ㎡ -6000 ㎡.
The utility model open-frame type gasifier, throttling hole nozzle is provided with the collector tube 2 of its connection efficient heat-exchanging pipe, can be made
The uniform flow of LNG in every efficient heat-exchanging pipe, evening ratio is up to more than 95%.
The utility model is not directed to part can be realized with concrete structure, the material of inner tube etc. using prior art.
Claims (7)
1. a kind of open-frame type gasifier with efficient heat-exchanging pipe, including some groups of templates is restrained and seawater spraying system, and it is special
It is that every group of template tube bank is rearranged by some efficient heat-exchanging pipes according to tabular to levy, all efficient heat-exchanging pipes in every group of tube bank
Two ends connect with same discharge and same collector tube respectively, and the quantity of the efficient heat-exchanging pipe can be according to open-shelf gas
Change under device difference operating mode the heat exchange area that needs to be adjusted.
2. the open-frame type gasifier with efficient heat-exchanging pipe according to claim 1, it is characterized in that described liquefaction is natural
Gas gasifier includes bringing-up section, gasification section and the part of superheat section three with efficient heat-exchanging pipe；The inside pipe wall of the bringing-up section is plum blossom
Shape structure；The inside pipe wall of the gasification section is shiny surface or channel structure, in the gasification section of described shiny surface or channel structure
It is set with pipe in the gasification section inner tube of screw thread or bellows structure, the gasification section inner tube and is set with the gas of distortion tubular construction again
Change section inner tube again；The inside pipe wall of the superheat section is the superheat section of shiny surface or channel structure, the shiny surface or channel structure
The superheat section inner tube of bellows or node tubular construction is set with pipe.
3. the open-frame type gasifier with efficient heat-exchanging pipe according to claim 2, it is characterised in that heat exchange pipe outer wall is
Straight fins structure, the fin height on the same section of heat exchanger tube is identical or differs.
4. the open-frame type gasifier with efficient heat-exchanging pipe according to claim 2, it is characterised in that heat exchange pipe outer wall is
Helical fin structure, the fin height on the same section of heat exchanger tube can be differed.
5. open-frame type gasifier according to claim 1, it is characterised in that the heat exchange area of open-frame type gasifier can be 1
It is adjusted in the range of ㎡ -6000 ㎡.
6. open-frame type gasifier according to claim 1, it is characterised in that be provided with the collector tube of connection efficient heat-exchanging pipe
Throttling hole nozzle so that in every heat exchanger tube liquefied natural gas uniform flow.
7. open-frame type gasifier according to claim 1, it is characterised in that the section in the collector tube of connection efficient heat-exchanging pipe
Discharge orifice nozzle can make the uniform flow rate of liquefied natural gas in every heat exchanger tube be not less than 95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975122.7U CN206206999U (en) | 2016-08-26 | 2016-08-26 | Open-frame type gasifier with efficient heat-exchanging pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975122.7U CN206206999U (en) | 2016-08-26 | 2016-08-26 | Open-frame type gasifier with efficient heat-exchanging pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206999U true CN206206999U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620975122.7U Active CN206206999U (en) | 2016-08-26 | 2016-08-26 | Open-frame type gasifier with efficient heat-exchanging pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369272A (en) * | 2016-08-26 | 2017-02-01 | 江苏中圣压力容器装备制造有限公司 | Efficient heat exchange tube for LNG vaporizer and open rack vaporizer |
| CN110715573A (en) * | 2019-10-12 | 2020-01-21 | 上海交通大学 | Heat exchange tube suitable for LNG open rack vaporizer |
-
2016
- 2016-08-26 CN CN201620975122.7U patent/CN206206999U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369272A (en) * | 2016-08-26 | 2017-02-01 | 江苏中圣压力容器装备制造有限公司 | Efficient heat exchange tube for LNG vaporizer and open rack vaporizer |
| CN106369272B (en) * | 2016-08-26 | 2018-12-28 | 江苏中圣压力容器装备制造有限公司 | Liquefied natural gas (LNG) gasifier efficient heat-exchanging pipe and open-frame type gasifier |
| CN110715573A (en) * | 2019-10-12 | 2020-01-21 | 上海交通大学 | Heat exchange tube suitable for LNG open rack vaporizer |
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