CN107701916A - A kind of new LNG intermediate mediums type gasifier - Google Patents
A kind of new LNG intermediate mediums type gasifier Download PDFInfo
- Publication number
- CN107701916A CN107701916A CN201710805629.7A CN201710805629A CN107701916A CN 107701916 A CN107701916 A CN 107701916A CN 201710805629 A CN201710805629 A CN 201710805629A CN 107701916 A CN107701916 A CN 107701916A
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- housing
- lng
- intermediate medium
- heat exchanger
- tube
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a kind of new LNG intermediate mediums type gasifier, and its is compact-sized, space is small, heat exchange efficiency is high, stable and maintenance investment is small.It includes the first housing, second housing, first housing includes LNG gasification section and intermediate medium evaporator section, second housing is tube heater, its heating pipe built-in, the arrival end of the heating tube is seawater, the special-shaped bobbin carriage of port of export access of the heating tube enters water layer, the special-shaped bobbin carriage is provided between first housing and second housing, dividing plate is provided with the special-shaped bobbin carriage, cavity is divided into water-yielding stratum, enter water layer, it is described enter water layer, it is connected between water-yielding stratum by the both ends of some first heat exchanger tubes, the bulk end of every first heat exchanger tube is located at the interior intracavitary of the intermediate medium evaporator section of first housing, intermediate medium has been passed through in the shell side of the intermediate medium evaporator section, some second heat exchanger tubes are disposed with the LNG gasification section.
Description
Technical field
The present invention relates to the technical field of LNG intermediate medium type gasifiers, specially a kind of new LNG intermediate mediums type gas
Change device.
Background technology
Existing LNG intermediate mediums type vaporizer, its is complicated, space is big, and heat exchange efficiency is poor, operation troubles
Rate is high.And its maintenance investment is big, therefore it is badly in need of being improved existing LNG intermediate mediums type vaporizer.
The content of the invention
In view of the above-mentioned problems, the invention provides a kind of new LNG intermediate mediums type gasifier, its compact-sized, occupation of land
Space is small, heat exchange efficiency is high, stable and maintenance investment is small.
A kind of new LNG intermediate mediums type gasifier, it is characterised in that：It includes the first housing, the second housing, and described
One housing includes LNG gasification section and intermediate medium evaporator section, and second housing is tube heater, its heating pipe built-in, institute
The arrival end for stating heating tube is seawater, and the port of export of the heating tube accesses the water layer that enters of special-shaped bobbin carriage, first housing and
The special-shaped bobbin carriage is provided between second housing, dividing plate is provided with the special-shaped bobbin carriage, is divided into by cavity
Water layer, enter water layer, described to enter between water layer, water-yielding stratum by the both ends of some first heat exchanger tubes to be connected, every first heat exchange
The bulk end of pipe is located at the interior intracavitary of the intermediate medium evaporator section of first housing, in the shell side of the intermediate medium evaporator section
Intermediate medium has been passed through, some second heat exchanger tubes, the both ends point of every second heat exchanger tube are disposed with the LNG gasification section
The outlet of LNG intake sections, LNG gasification section is not communicated to, and the intermediate medium after gasification is used to heat in the second heat exchanger tube
LNG, the outlet of the LNG gasification section of first housing connect the shell side inlet of second housing by NG pipeline sections, and described the
The shell-side outlet of two housings exports for NG.
It is further characterized by：
The LNG gasification section is located at the first half of the first housing, and the intermediate medium evaporator section is located under the first housing
Half portion, intermediate medium is charged using U-tube formula heat exchange tube structure, first lower housing portion；
The second described housing is straight pipe type heater, and the heating tube is specially straight tube heating tube, the straight tube heating
Length direction arrangement of the pipe along the second housing；
First heat exchanger tube of the intermediate medium evaporator section is the first U heat exchange, and some first U heat exchanges use
Middle part and top both ends are to the irregular cloth form of tubes of lower recess；
The heat exchange pipeline section of first housing and the second housing set in the multiple positions in the axial direction of heat-exchanging tube bundle axially every
Plate, the axial dividing plate are specially semicircle dividing plate；
Axial baffle plate device in first housing, second shell body is alternately arranged form using upper and lower semicircle dividing plate；
In the cavity of described intermediate medium evaporator section, axially above dividing plate week is provided with close to the both sides of the first housing
To anti-dumping cover plate；
Described circumferential anti-dumping cover plate, which is provided with, certain tilts down angle；
Described the first housing and its internal axial dividing plate, circumferential anti-dumping cover plate is made of steel alloy；Described
Two housings and its internal axial dividing plate, LNG gasification section heat exchanger tube are made of stainless steel or mild steel；First heat exchange
The heating tube of pipe, the second heat exchanger tube and the second housing is made of pure titanium or titanium alloy；
One end of the remote special-shaped bobbin carriage of second housing is fixed with seawater inlet pipe, the entrance of the heating tube
End is communicated to the seawater inlet pipe after running through side wall corresponding to the second housing, and the outer end opening of the seawater inlet pipe is seawater
Entrance；
Lead between the corresponding outer wall of the corresponding outer wall of the intermediate medium evaporator section of first housing and second housing
Cross corresponding adpting flange and be fixed with the special-shaped bobbin carriage, the special-shaped bobbin carriage is vertically separated to form water outlet to dividing plate
Layer, enter water layer, the bottom of the water-yielding stratum is provided with seawer outlet；
The bottom of the housing of the intermediate medium evaporator section of first housing is provided with intermediate medium inlet and outlet, the centre
Medium inlet and outlet is squeezed into and extracted using circulating pump；
The outer side of the LNG gasification section of first housing is fixed with LNG input and output cavitys, and the LNG inputs are defeated
Go out cavity and LNG input cavities, NG output cavities are separated into by horizontal baffle, the second heat exchanger tube of the LNG gasification section is the 2nd U
Type heat exchanger tube, the both ends of any second U heat exchange are any described independently in LNG input cavities, NG output cavities
The main paragraph of second U heat exchange is located at the LNG gasification section.
After the present invention, compared with prior art, following beneficial effect is produced：
The intermediate medium evaporator section of 1 present invention uses middle part and top both ends to the irregular cloth form of tubes of lower recess,
Compared to traditional semicircle or arc cloth form of tubes, in the circumferential danger position of pipe row：It is obvious at middle part and top both ends
The harmfulness rocked is reduced, can be in the case where being not provided with circumferential dividing plate, the effective security for ensureing operation and stably
Property；Heat exchanger tube arrangement simultaneously is closer, compact-sized, reduces space；
The axial baffle plate device of 2 present invention is alternately arranged form using upper and lower semicircle dividing plate, compared to currently used
Regular arc-shaped partition, axially anti-effect rocking and support, and can were both equally served and have substantially changed heat transfer by force, and improved heat exchange effect
Rate, while material is saved, manufacture processing cost is reduced, is considered with more economic and practical；
The intermediate medium evaporator section of 3 present invention is circumferential only to be set with the circumferential anti-dumping being necessarily angled downward in housing both sides
Cover plate, form is arranged with reference to the pipe of the present invention, compared with traditional intermediate medium gasifier, circumferentially prevents rocking dividing plate without setting,
It equally can effectively avoid circumferentially rocking hidden danger so that pipe row's structure is compacter, and the scope of application is wider, strong adaptability；
The gasifier of 4 present invention is made of stainless steel or titanium alloy, has corrosion resistance strong, maintenance investment is small, makes
The characteristics of with long lifespan.
Brief description of the drawings
Fig. 1 is the front sectional view structural representation of the present invention；
Fig. 2 is Fig. 1 A-A to cross section structure diagram；
Fig. 3 is Fig. 1 B-B direction cross section structure diagram；
Title in figure corresponding to sequence number is as follows：
First housing 1, the second housing 2, LNG gasification section 3, intermediate medium evaporator section 4, heating tube 5, special-shaped bobbin carriage 6, water inlet
Layer 7, dividing plate 8, water-yielding stratum 9, the first heat exchanger tube 10, the second heat exchanger tube 11, NG pipeline sections 12, shell side inlet 13, NG outlet
14th, axial dividing plate 15, circumferential anti-dumping cover plate 16, seawater inlet pipe 17, adpting flange 18, seawer outlet 19, intermediate medium disengaging
Mouth 20, LNG input and output cavity 21, horizontal baffle 22, LNG input cavities 23, NG output cavities 24.
Embodiment
A kind of new LNG intermediate mediums type gasifier, is shown in Fig. 1-Fig. 3：It includes the first housing 1, the second housing 2, and first
Housing 1 includes LNG gasification section 3 and intermediate medium evaporator section 4, and the second housing 2 is tube heater, its heating pipe built-in 5, is heated
The arrival end of pipe is seawater, and what the port of export of heating tube 5 accessed special-shaped bobbin carriage 6 enters water layer 7, the first housing 1 and the second housing 2 it
Between be provided with special-shaped bobbin carriage 6, be provided with dividing plate 8 in special-shaped bobbin carriage 6, cavity be divided into water-yielding stratum 9, enters water layer 7, enter water layer
7th, it is connected between water-yielding stratum 9 by the both ends of some first heat exchanger tubes 10, the bulk end of every first heat exchanger tube 10 is positioned at the
The interior intracavitary of the intermediate medium evaporator section 4 of one housing 1, intermediate medium, LNG gas have been passed through in the shell side of intermediate medium evaporator section 4
Change in section 3 and be disposed with some second heat exchanger tubes 11, the both ends of every second heat exchanger tube 11 are respectively communicated to LNG intake sections, LNG
The outlet of gasification section, the intermediate medium after gasification are used to heat the LNG in the second heat exchanger tube 11, the LNG gasification section of the first housing 1
3 outlet connects the shell side inlet 13 of the second housing 2 by NG pipeline sections 12, and the shell-side outlet of the second housing 2 is NG outlets 14.
LNG gasification section 3 is located at the first half of the first housing 1, and intermediate medium evaporator section 4 is located at the lower half of the first housing 1,
U-tube formula heat exchange tube structure is used, the bottom of the first housing 1 charges intermediate medium；
Second housing 2 is straight pipe type heater, and heating tube 5 is specially straight tube heating tube, and straight tube heating tube is along second shell
The length direction arrangement of body 2；
First heat exchanger tube 10 of intermediate medium evaporator section 4 is the first U heat exchange, and some first U heat exchanges use
Middle part and top both ends are to the irregular cloth form of tubes of lower recess, compared to traditional semicircle or arc cloth form of tubes,
The circumferential danger position of pipe row：The harmfulness rocked substantially is reduced at middle part and top both ends, circumference can be not provided with
In the case of dividing plate, the effective safety and stability for ensureing operation；Heat exchanger tube arrangement simultaneously is closer, compact-sized, subtracts
Small space；
The heat exchange pipeline section of first housing 1 and the second housing 2 sets axial dividing plate in the multiple positions in the axial direction of heat-exchanging tube bundle
15, axial dividing plate 15 is specially semicircle dividing plate, compared to currently used regular arc-shaped partition, has both equally been served axially anti-
Effect rock and support, and can substantially change by force heat transfer, improve heat exchange efficiency, while save material, reduce manufacture and are processed into
This, considers with more economic and practical；
Axial baffle plate device in first housing 1, the second housing 2 is alternately arranged form, phase using upper and lower semicircle dividing plate
Than in currently used regular arc-shaped partition, both equally having served axially anti-effect rocking and support, and can and substantially having changed by force
Heat transfer, heat exchange efficiency is improved, while save material, reduced manufacture processing cost, consider with more economic and practical；
Close to the both sides of the first housing provided with circumferential anti-in the cavity of intermediate medium evaporator section 4, axially above dividing plate
Feel like old friends at the first meeting plate 16；
Circumferential anti-dumping cover plate 16 be provided with it is certain tilt down angle, arrange form with reference to the pipe of the present invention, it is and traditional
Intermediate medium gasifier is compared, and circumferentially prevents rocking dividing plate without setting, and equally can effectively avoid circumferentially rocking hidden danger so that pipe is arranged
Structure is compacter, and the scope of application is wider, strong adaptability；
First housing 1 and its internal axial dividing plate 15, circumferential anti-dumping cover plate 16 are made of steel alloy；Second housing 1
And its internal axial dividing plate 15, the heat exchanger tube of LNG gasification section 3 are made of stainless steel or mild steel；First heat exchanger tube 10,
The heating tube 5 of two heat exchanger tubes 11 and the second housing is made of pure titanium or titanium alloy；
One end of the remote special-shaped bobbin carriage 6 of second housing 2 is fixed with seawater inlet pipe 17, and the arrival end of heating tube 5 runs through
Seawater inlet pipe 17 is communicated to after side wall corresponding to second housing 2, the outer end opening of seawater inlet pipe 17 is seawater inlet；
Pass through between the corresponding outer wall of the corresponding outer wall of the intermediate medium evaporator section 4 of first housing 1 and the second housing 2 correspondingly
Adpting flange 18 be fixed with special-shaped bobbin carriage 6, special-shaped bobbin carriage 6 is vertically separated to form water-yielding stratum 9 to dividing plate, enters water layer 7,
The bottom of water-yielding stratum 9 is provided with seawer outlet 19；
The bottom of the housing of the intermediate medium evaporator section 4 of first housing 1 is provided with intermediate medium inlet and outlet 20, intermediate medium
Inlet and outlet 20 are squeezed into and extracted using circulating pump；
The outer side of the LNG gasification section 3 of first housing 1 is fixed with LNG input and output cavity 21, LNG input and output chambers
Body 21 is separated into LNG input cavities 23, NG output cavities 24 by horizontal baffle 22, and the second heat exchanger tube 11 of LNG gasification section 3 is the
Two U heat exchanges, the both ends of any second U heat exchange are any independently in LNG input cavities 23, NG output cavities 24
The main paragraph of second U heat exchange is located in LNG gasification section 3.
Thermal source seawater, low temperature LNG walk tube side during operation, and intermediate medium, NG gases walk shell side.
LNG appeared in text is the abbreviation of liquefied natural gas；NG is the abbreviation of the natural gas of nature.
In specific embodiment, intermediate medium is specially propane, and its operation principle is as follows：
1st, seawater enters in the second shell section as initial gasifying medium, walks tube side；
2nd, propane enters shell side as intermediate medium from the first lower housing portion, enters first after the seawater gasification in tube side
Housing upper, and the LNG in tube side is gasified, propane itself condensation is fallen after rise to the first lower housing portion, is realized different up and down
Mutually circulate, propane inlet and outlet are unique, are squeezed into and extracted using circulating pump；
3rd, LNG enters the first housing upper tube journey, and turn to NG through propane flammable gas flows into second shell body shell journey into NG pipes, and passes through
Tube side seawater further heats output.
The specific embodiment of the present invention is described in detail above, but content is only the preferable implementation of the invention
Example, it is impossible to be considered as the practical range for limiting the invention.All impartial changes made according to the invention application range
Change and improvement etc., all should still be belonged within this patent covering scope.
Claims (10)
- A kind of 1. new LNG intermediate mediums type gasifier, it is characterised in that：It includes the first housing, the second housing, and described first Housing includes LNG gasification section and intermediate medium evaporator section, and second housing is tube heater, and its heating pipe built-in is described The arrival end of heating tube is seawater, and the special-shaped bobbin carriage of port of export access of the heating tube enters water layer, first housing and institute State and be provided with the special-shaped bobbin carriage between the second housing, be provided with dividing plate in the special-shaped bobbin carriage, cavity is divided into water outlet Layer, enter water layer, described to enter between water layer, water-yielding stratum by the both ends of some first heat exchanger tubes to be connected, every first heat exchanger tube Bulk end be located at first housing intermediate medium evaporator section interior intracavitary, lead in the shell side of the intermediate medium evaporator section Entering has intermediate medium, and some second heat exchanger tubes, the both ends difference of every second heat exchanger tube are disposed with the LNG gasification section The outlet of LNG intake sections, LNG gasification section is communicated to, the intermediate medium after gasification is used to heat the LNG in the second heat exchanger tube, The outlet of the LNG gasification section of first housing connects the shell side inlet of second housing, the second shell by NG pipeline sections The shell-side outlet of body exports for NG.
- A kind of 2. new LNG intermediate mediums type gasifier as claimed in claim 1, it is characterised in that：The LNG gasification section In the first half of the first housing, the intermediate medium evaporator section is located at the lower half of the first housing, using U-tube formula heat exchanger tube Structure, first lower housing portion charge intermediate medium.
- A kind of 3. new LNG intermediate mediums type gasifier as claimed in claim 1, it is characterised in that：The second described housing For straight pipe type heater, the heating tube is specially straight tube heating tube, length side of the straight tube heating tube along the second housing To arrangement.
- A kind of 4. new LNG intermediate mediums type gasifier as claimed in claim 2, it is characterised in that：The intermediate medium steams First heat exchanger tube of hair section is the first U heat exchange, and some first U heat exchanges use middle part and top both ends to recessed Sunken irregular cloth form of tubes.
- A kind of 5. new LNG intermediate mediums type gasifier as claimed in claim 1, it is characterised in that：First housing and The heat exchange pipeline section of second housing sets axial dividing plate in the multiple positions in the axial direction of heat-exchanging tube bundle, and the axial dividing plate is specially half Circular bulkheads.
- A kind of 6. new LNG intermediate mediums type gasifier as claimed in claim 5, it is characterised in that：First housing, Axial baffle plate device in two housings is alternately arranged form using upper and lower semicircle dividing plate.
- A kind of 7. new LNG intermediate mediums type gasifier as described in claim 5 or 6, it is characterised in that：Jie among described Both sides in the cavity of matter evaporator section, axially above dividing plate close to the first housing are provided with circumferential anti-dumping cover plate.
- A kind of 8. new LNG intermediate mediums type gasifier as claimed in claim 7, it is characterised in that：Described circumferential anti-dumping Cover plate, which is provided with, certain tilts down angle.
- A kind of 9. new LNG intermediate mediums type gasifier as claimed in claim 7, it is characterised in that：The first described housing And its internal axial dividing plate, circumferential anti-dumping cover plate are made of steel alloy；Described the second housing and its internal axial dividing plate, LNG gasification section heat exchanger tube is made of stainless steel or mild steel；First heat exchanger tube, the second heat exchanger tube and the second housing Heating tube be made of pure titanium or titanium alloy.
- A kind of 10. new LNG intermediate mediums type gasifier as claimed in claim 2, it is characterised in that：First housing The bottom of the housing of intermediate medium evaporator section is provided with intermediate medium inlet and outlet, and the intermediate medium inlet and outlet are beaten using circulating pump Enter and extract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805629.7A CN107701916A (en) | 2017-09-08 | 2017-09-08 | A kind of new LNG intermediate mediums type gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805629.7A CN107701916A (en) | 2017-09-08 | 2017-09-08 | A kind of new LNG intermediate mediums type gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107701916A true CN107701916A (en) | 2018-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710805629.7A Pending CN107701916A (en) | 2017-09-08 | 2017-09-08 | A kind of new LNG intermediate mediums type gasifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902672A (en) * | 2018-03-30 | 2020-11-06 | 株式会社神户制钢所 | Intermediate medium type gasifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202834735U (en) * | 2012-09-26 | 2013-03-27 | 江苏中圣高科技产业有限公司 | Middle fluid type vaporizer |
| CN103822092A (en) * | 2014-01-27 | 2014-05-28 | 中国船舶重工集团公司第七一一研究所 | Plate-shell type middle fluid type gasifier |
| CN105042326A (en) * | 2015-07-09 | 2015-11-11 | 江苏中圣高科技产业有限公司 | Compact intermediate fluid type gasifier |
| US20170097178A1 (en) * | 2015-10-05 | 2017-04-06 | Crowley Maritime Corporation | Lng gasification systems and methods |
| CN207634986U (en) * | 2017-09-08 | 2018-07-20 | 中船圣汇装备有限公司 | A kind of novel LNG intermediate mediums type gasifier |
-
2017
- 2017-09-08 CN CN201710805629.7A patent/CN107701916A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202834735U (en) * | 2012-09-26 | 2013-03-27 | 江苏中圣高科技产业有限公司 | Middle fluid type vaporizer |
| CN103822092A (en) * | 2014-01-27 | 2014-05-28 | 中国船舶重工集团公司第七一一研究所 | Plate-shell type middle fluid type gasifier |
| CN105042326A (en) * | 2015-07-09 | 2015-11-11 | 江苏中圣高科技产业有限公司 | Compact intermediate fluid type gasifier |
| US20170097178A1 (en) * | 2015-10-05 | 2017-04-06 | Crowley Maritime Corporation | Lng gasification systems and methods |
| CN207634986U (en) * | 2017-09-08 | 2018-07-20 | 中船圣汇装备有限公司 | A kind of novel LNG intermediate mediums type gasifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902672A (en) * | 2018-03-30 | 2020-11-06 | 株式会社神户制钢所 | Intermediate medium type gasifier |
| CN111902672B (en) * | 2018-03-30 | 2022-03-11 | 株式会社神户制钢所 | Intermediate medium type gasifier |
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Address after: 215632 No. 3 Linjiang Road, Jinggang Town, Zhangjiagang City, Suzhou, Jiangsu Applicant after: Suzhou Saint remittance Equipment Co., Ltd. Address before: 215632 No. 3 Linjiang Road, Jinggang Town, Zhangjiagang City, Suzhou, Jiangsu Applicant before: CSSC SHENGHUI EQUIPMENT CO., LTD. |