CN205065278U - Middle medium vaporizer - Google Patents
Middle medium vaporizer Download PDFInfo
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- CN205065278U CN205065278U CN201520720698.4U CN201520720698U CN205065278U CN 205065278 U CN205065278 U CN 205065278U CN 201520720698 U CN201520720698 U CN 201520720698U CN 205065278 U CN205065278 U CN 205065278U
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- intermediate medium
- cold fluid
- heat exchange
- heat exchanging
- bobbin carriage
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Abstract
The utility model provides a middle medium vaporizer, includes middle dielectric heater, cold flow literary style spinning disk atomiser, cold flow body thermoregulator, the heat exchanger tube bundles upper portion that middle dielectric heater's heat exchange tube group becomes is equipped with the gas -liquid separation part, the lower part of the heat exchange tube of cold flow literary style spinning disk atomiser is equipped with condensate collection device. The utility model discloses installed condensate collection device and gas -liquid separation part in main heat transfer structure, the medium gas -liquid is effectively separated in the middle of making, has reduced liquid and has smugglied secretly, makes the abundant and middle medium vapour contact heat exchange of heat exchange tube of cold flow literary style spinning disk atomiser, has improved heat exchange efficiency.
Description
Technical field
The utility model relates to chemical industry, oil, gas in natural gas treatment process device, particularly relates to the intermediate medium gasifier that a kind of gasifying process being applicable to LNG Liquefied natural gas (LNG) uses.
Background technique
LNG Liquefied natural gas grows at top speed, and becomes the whole world and increases one of the swiftest and the most violent energy industry.From the natural gas development situation of China, natural gas resource is limited, and gas production is far smaller than demand, and insufficiency of supply-demand is increasing.China is accelerating the construction of LNG receiving station.In the gasifying supplier of rock gas, LNG needs gasification to return to normal temperature state ability outwards air feed, and therefore, the heat exchange vaporizer for LNG gasification is the visual plant of air supply system.The development of the LNG vaporization equipment of high efficiency, low cost produces significance by the Fast Construction of China LNG project.
The intermediate medium gasifier of present operation, the bobbin carriage part of its cold fluid vaporizer is outside at total cylindrical shell, and cold fluid flow is large, and flow velocity is fast, causes heat exchanging tube easily to vibrate; And effectively do not dredge the structure of gaseous state intermediate medium and the liquid intermediate medium flow direction in total cylindrical shell, thus there is the not high problem of heat exchange efficiency in the heat exchanging tube of cold fluid heater.
Model utility content
The utility model provides a kind of intermediate medium gasifier, with the problem that the heat exchange efficiency solving the existence of existing equipment for gasification tooling is not high.
For solving above-mentioned Problems existing, the technological scheme that the utility model adopts is as follows:
A kind of intermediate medium gasifier, comprises intermediate medium heater, cold fluid vaporizer, cold fluid thermoregulator, and the heat exchanger pipe bundle top of the heat exchanging tube composition of described intermediate medium heater is provided with gas-liquid separate component; The bottom of the heat exchanging tube of described cold fluid vaporizer is provided with condensed fluid collection device.
The bottom of the heat exchanging tube of described cold fluid vaporizer is provided with vibration proof combined support; This vibration proof combined support by cross-brace, vertical supporting and longitudinal bracing three part form; The cylindrical shell of this cross-brace and described intermediate medium gasifier is affixed, and in the cylindrical shell that vertical supporting two ends are secured to described intermediate medium gasifier respectively and cross-brace, combines the left and right providing exchange heat pipe, upper and lower restraining force; Described longitudinal bracing symmetry is secured to the central authorities of cross-brace, installs slideway as tube bank.
The bobbin carriage of described intermediate medium heater is semicylindrical body structure.
Low-pressure vessel flange is installed at the shell-side cylinder place of described cold fluid vaporizer.
The total bobbin carriage of the bobbin carriage of described cold fluid thermoregulator, the cylindrical shell of described intermediate medium gasifier and described cold fluid thermoregulator is eccentric cone shell structure.
1. the utility model has installed condensed fluid collection device and gas-liquid separate component in main heat exchange structure, intermediate medium gas-liquid is effectively separated, decrease liquid entrainment, the heat exchanging tube making cold fluid vaporizer fully and intermediate medium steam contact heat-exchanging, improves heat exchange efficiency.
2. the utility model has installed integral supporting structure in main heat exchange structure, efficiently solves cold fluid vaporizer tube bundle vibration phenomenon in use.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the sectional view of main heat exchange structure of the present utility model;
Fig. 3 is the schematic diagram of vibration proof combined support of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
See Fig. 1,2,3, a kind of intermediate medium gasifier, this vaporizer is actually the assemblying body of three multi-form heat exchangers, and its structure mainly comprises: intermediate medium heater, cold fluid vaporizer, cold fluid thermoregulator.Described intermediate medium heater E1 and cold fluid vaporizer E2 has cylindrical shell 5, in this cylindrical shell 5, fill intermediate medium; The heat exchanging tube 3 of intermediate medium heater E1 described in the complete submergence of intermediate medium; Described cylindrical shell 5 one end is communicated with by total bobbin carriage 17 with the housing 19 of described cold fluid thermoregulator E3, and the other end of cylindrical shell 5 is the bobbin carriage 1 of intermediate medium heater E1 and the bobbin carriage 10 of cold fluid vaporizer E2; This bobbin carriage 10 is communicated with by the housing 19 of pipeline 16 with cold fluid thermoregulator E3; The other end of the housing 19 of described cold fluid thermoregulator E3 is bobbin carriage 24, and the port of this bobbin carriage 24 is thermal fluid inlet 25, and hot fluid outlet ports 26 is arranged on the bobbin carriage 1 of intermediate medium heater E1; On the bobbin carriage 10 that cold fluid enters, outlet 8,22 is separately positioned on cold fluid vaporizer E2, the housing 19 of cold fluid thermoregulator E3.
Intermediate medium heater and cold fluid vaporizer have cylindrical shell 5, constitute the main heat exchange structure of this equipment.Intermediate medium is filled in total cylindrical shell 5, the heat exchanging tube 3 of intermediate medium complete submergence intermediate medium heater, become gas by the evaporation of the hot fluid heats of heat exchanging tube 3 inside in the course of the work, intermediate medium gas arrives total cylindrical shell 5 top by gas-liquid separate component 6 after gas-liquid separation.The installation of gas-liquid separate component 6 has effectively been separated the drop carried secretly in intermediate medium steam, decreases the attachment of drop on heat exchanging tube 13, improves the heat exchange efficiency of heat exchanging tube 13.
Cold fluid enters the tube side of cold fluid vaporizer by the cold fluid inlet 8 of bobbin carriage 10, when flowing through heat exchanging tube 13, is gasified by intermediate medium steam heated.Intermediate medium condensation is flowed back to total cylindrical shell 5 bottom and is become steam by the hot fluid heats of heat exchanging tube 3 inside again, and so circulation is more than.Because condensed fluid by gas-liquid separate component 6, will will increase intermediate medium steam and take guttiferous probability like this when flowing back to total cylindrical shell 5 bottom, institute thinks this probability of reduction, arranges condensate recovery device 27 in the bottom of heat exchanging tube 13.Cold fluid after cold fluid gasification enters in cold fluid thermoregulator housing 19 through pipeline 16, by the hot fluid in heat exchanging tube 20 continue to be heated to temperature required after, flow out via cold fluid outlet 22.This completes the gasification of cold fluid.
Hot fluid first enters in cold fluid thermoregulator bobbin carriage 24 by thermal fluid inlet 25, again by heat exchanging tube 20, with the cold fluid after the gasification of heating heat exchanging tube 20 outside, then total bobbin carriage 17 is flowed into, enter heat exchanging tube 3 again and heat intermediate medium, intermediate medium is evaporated, and the bobbin carriage 1 finally flowing into intermediate medium heater flows out through hot fluid outlet ports 26.This completes the heating process of hot fluid, in whole process, hot fluid is without phase transformation.
Described intermediate medium heater E1 is fixed tube sheet heat exchanger, and its inside is provided with dunnage 4.The heat exchanging tube 3 of intermediate medium heater and front fixed tube sheet 2, rear fixed tube sheet 7 adopt intensity weldering to stick on expanded joint and connect.The top of front fixed tube sheet 2 is large opening, and bottom is tube sheet row holes, is connected with bobbin carriage 1 by welded flange.The top of rear fixed tube sheet 7 is blind plate, and bottom is tube sheet row holes, and the double flange that does of rear fixed tube sheet 7 is connected with bobbin carriage.The top of the heat exchanging tube of intermediate medium heater is provided with gas-liquid separate component 6, as silk screen etc., and can by the large molecule drop separation of carrying in intermediate medium steam out by silk screen.The bobbin carriage 1 of described intermediate medium heater is semicylindrical body structure, and this structure takes full advantage of equipment end space, reduces equipment size.
Described cold fluid vaporizer E2 is U-shaped heat exchange of heat pipe, and its inside is provided with dunnage 14.The heat exchanging tube 13 of cold fluid vaporizer and tube sheet 11 adopt intensity weldering to stick on expanded joint and connect.Tube sheet 11 and bobbin carriage 10 adopt welded structure.The bottom of the heat exchanging tube 13 of cold fluid vaporizer is provided with vibration proof combined support 15(with reference to Fig. 2,3) and condensed fluid collection device 27.This combined support 15 is made up of cross-brace 15-1, vertical supporting 15-2 and longitudinal bracing 15-3 tri-part, cross-brace 15-1 is welded on total cylindrical shell 5, vertical supporting 15-2 has two, be welded on respectively on total cylindrical shell 5 and cross-brace 15-1, combine the left and right that exchange heat pipe 13 is provided, upper and lower restraining force; Longitudinal bracing 15-3 to be symmetrically welded in cross-brace 15-1 in the heart, longitudinal bracing 15-3 is minimum in the central spot of cross-brace 15-1, the gradual change of backward both sides raise, form the slideway of similar groove, one is used as tube bank installs slideway, plays the effect preventing from vibrating simultaneously.Owing to supporting shakiness during effective solution equipment runs, the tube bundle vibration problem brought, this vibration proof combined support manufacture is simultaneously simple.Described condensed fluid collection device 27 is formed by 2 sheet metal rollings, and for close to 1/4 toroidal, the external diameter of this circle and heat exchanging tube 13 is suitable, condensed fluid collection device 27 is positioned at the both sides of the longitudinal bracing 15-3 of the bottom of heat exchanging tube 13, its two ends are welded on vertical supporting 15-2 and cross-brace 15-1 respectively, its effect is the liquid intermediate medium collecting to get off from condensation heat exchanging tube 13, prevent liquid intermediate medium large size from dropping onto on gas-liquid separate component 6, secondary droplets is formed when gaseous state intermediate medium rises, effectively reduce when condensed fluid refluxes like this and the area of contact of the intermediate medium steam of rising, improve the lower flow area that condensed fluid collection device described in heat exchange efficiency reduces condensed fluid, thus increase the upper flow area of intermediate medium steam, effectively can improve the heat exchange efficiency of cold fluid vaporizer.At shell-side cylinder place, low-pressure vessel flange 12 is set, avoid the sealing difficulty, the complex structure and other problems that high pressure vessel flange are set in the position of the higher tube sheet 11 of pressure and bring, thus enhance reliability and the Security of equipment, facilitate the Maintenance and Repair of exchange heat pipe 13 simultaneously.
Described cold fluid thermoregulator E3 is fixed tube sheet heat exchanger, and its inside is provided with deflection plate 21.Cold fluid thermoregulator heat exchanging tube 20 and front fixed tube sheet 18, rear fixed tube sheet 23 adopt intensity weldering to stick on expanded joint and connect.The double flange that does of front fixed tube sheet 18 has bobbin carriage 17 to connect together, and the double flange that does of rear fixed tube sheet 23 is connected with bobbin carriage 24.
Bobbin carriage 24, the total bobbin carriage 17 of described cold fluid thermoregulator E3 are eccentric cone shell structure, and this structure is conducive to whole outflows of fluid.
The utility model will select boiling point between cold fluid and hot fluid, and fusing point is lower than the material of cooling fluid temperature, and when this device is used for the gasification of LNG Liquefied natural gas, cold fluid is LNG Liquefied natural gas, and hot fluid is seawater, and intermediate medium adopts propane.This device make use of the physical property of propane cleverly, effectively prevents ice formation issues during the direct heats liquefied natural gas of seawater.
Each parts of the present utility model are all dismountable design, convenient on-the-spot maintenance conditions.
Claims (5)
1. an intermediate medium gasifier, comprise intermediate medium heater, cold fluid vaporizer, cold fluid thermoregulator, it is characterized in that: the heat exchanger pipe bundle top that the heat exchanging tube (3) of described intermediate medium heater (E1) forms is provided with gas-liquid separate component (6); The bottom of the heat exchanging tube (13) of described cold fluid vaporizer (E2) is provided with condensed fluid collection device (27).
2. a kind of intermediate medium gasifier according to claim 1, is characterized in that: the bottom of the heat exchanging tube (13) of described cold fluid vaporizer is provided with vibration proof combined support (15); This vibration proof combined support (15) is made up of cross-brace (15-1), vertical supporting (15-2) and longitudinal bracing (15-3) three part; This cross-brace (15-1) is affixed with the cylindrical shell (5) of described intermediate medium gasifier, and in the cylindrical shell (5) that vertical supporting (15-2) two ends are secured to described intermediate medium gasifier respectively and cross-brace (15-1), combine the left and right that exchange heat pipe (13) is provided, upper and lower restraining force; Described longitudinal bracing (15-3) symmetry is secured to the central authorities of cross-brace (15-1), installs slideway as tube bank.
3. a kind of intermediate medium gasifier according to claim 1, is characterized in that: the bobbin carriage (1) of described intermediate medium heater (E1) is semicylindrical body structure.
4. a kind of intermediate medium gasifier according to claim 1, is characterized in that: low-pressure vessel flange (12) is installed at the shell-side cylinder place of described cold fluid vaporizer (E2).
5. a kind of intermediate medium gasifier according to claim 1, is characterized in that: the total bobbin carriage (17) of the bobbin carriage (24) of described cold fluid thermoregulator (E3), the cylindrical shell (5) of described intermediate medium gasifier and described cold fluid thermoregulator (E3) is eccentric cone shell structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520720698.4U CN205065278U (en) | 2015-09-17 | 2015-09-17 | Middle medium vaporizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520720698.4U CN205065278U (en) | 2015-09-17 | 2015-09-17 | Middle medium vaporizer |
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| Publication Number | Publication Date |
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| CN205065278U true CN205065278U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520720698.4U Active CN205065278U (en) | 2015-09-17 | 2015-09-17 | Middle medium vaporizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870938A (en) * | 2017-03-09 | 2017-06-20 | 中国石油大学(华东) | A kind of fin-tube type intermediate medium gasifier |
| CN110382347A (en) * | 2017-03-06 | 2019-10-25 | 株式会社神户制钢所 | Marine floating type facility |
-
2015
- 2015-09-17 CN CN201520720698.4U patent/CN205065278U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110382347A (en) * | 2017-03-06 | 2019-10-25 | 株式会社神户制钢所 | Marine floating type facility |
| CN106870938A (en) * | 2017-03-09 | 2017-06-20 | 中国石油大学(华东) | A kind of fin-tube type intermediate medium gasifier |
| CN106870938B (en) * | 2017-03-09 | 2019-12-10 | 中国石油大学(华东) | Tube-fin type intermediate medium gasifier |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Shangwen Inventor after: Zhou Shaobin Inventor after: Li Jinbo Inventor after: Yang Wenguang Inventor after: Xie Tengteng Inventor after: Lv Tiantian Inventor after: He Wentao Inventor after: Lu Delong Inventor after: Xun Jiao Inventor before: Zhang Shangwen Inventor before: Zhou Shaobin Inventor before: Li Jinbo Inventor before: Yang Wenguang Inventor before: Xie Tengteng Inventor before: Lv Tiantian Inventor before: He Wentao Inventor before: Lu Delong Inventor before: Xun Jiao |
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| COR | Change of bibliographic data |