CN213299610U - High-efficient LNG vaporization heat transfer device of multicavity room - Google Patents
High-efficient LNG vaporization heat transfer device of multicavity room Download PDFInfo
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- CN213299610U CN213299610U CN202021902068.6U CN202021902068U CN213299610U CN 213299610 U CN213299610 U CN 213299610U CN 202021902068 U CN202021902068 U CN 202021902068U CN 213299610 U CN213299610 U CN 213299610U
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Abstract
The utility model discloses a multi-cavity high-efficiency LNG vaporization heat exchange device, which comprises a box body, wherein the inner wall of the box body is connected with a baffle plate, and the baffle plate divides the interior of the box body into an upper heat exchange cavity and a lower liquid inlet cavity; the surface of one side of the liquid inlet cavity is connected with a liquid inlet, and the liquid inlet is connected with an LNG storage tank or an LNG tank car; the lower surface of the box body below the liquid inlet cavity is connected with a water tank, and the inner wall of the water tank is provided with an electric heater; the inner wall of the heat exchange cavity is connected with a plurality of vertical heat exchange plates, the heat exchange cavity is divided into a plurality of independent cavities by the heat exchange plates, and the top of each independent cavity is connected with an exhaust pipe; the top of the box body is provided with a natural gas main pipe, and the exhaust pipe is connected with the natural gas main pipe. The device solves the problems of small heat exchange contact surface and low vaporization efficiency of the existing vaporization device, and has the characteristics of large heat exchange contact surface and high vaporization efficiency.
Description
Technical Field
The utility model belongs to liquefied natural gas production facility field, concretely relates to high-efficient LNG vaporization heat transfer device of multicavity room.
Background
LNG (liquefied natural gas) is widely used in industrial and domestic fields because LNG is a cryogenic liquid at minus 162 degrees celsius, and a vaporizer is required to convert a liquid gas into a gaseous gas. At present, gasifiers widely used for cryogenic liquids, such as LN2, LO2, vaporization of LNG and the like, are basically divided into two main categories, one being an air temperature type and the other being a water bath type; the existing vaporizer has the problems of poor vaporization effect and low heat exchange efficiency, so that the multi-cavity high-efficiency LNG vaporization heat exchange device with good heat exchange effect is designed to solve the problems, and the vaporizer is very necessary.
Disclosure of Invention
The utility model aims to solve the technical problem that a high-efficient LNG vaporization heat transfer device of multicavity room is provided, it is little that the device has solved current vaporizing device heat transfer contact surface, and the problem that vaporization efficiency is low has that heat transfer contact surface is big, characteristics that vaporization efficiency is high.
In order to realize the above design, the utility model adopts the following technical scheme: a multi-cavity efficient LNG vaporization heat exchange device comprises a box body, wherein a partition plate is connected to the inner wall of the box body, and divides the interior of the box body into an upper heat exchange cavity and a lower liquid inlet cavity; the surface of one side of the liquid inlet cavity is connected with a liquid inlet, and the liquid inlet is connected with an LNG storage tank or an LNG tank car; the lower surface of the box body below the liquid inlet cavity is connected with a water tank, and the inner wall of the water tank is provided with an electric heater; the inner wall of the heat exchange cavity is connected with a plurality of vertical heat exchange plates, the heat exchange cavity is divided into a plurality of independent cavities by the heat exchange plates, and the top of each independent cavity is connected with an exhaust pipe; the top of the box body is provided with a natural gas main pipe, and the exhaust pipe is connected with the natural gas main pipe.
The partition plate is of a hollow structure; one end of the clapboard is connected with a conduit which penetrates through the upper surface and the lower surface and is communicated with the heat exchange cavity and the liquid inlet cavity; the other end of the clapboard is connected with two return pipes which run through the upper surface and the lower surface, the return pipes are communicated with the heat exchange cavity and the liquid inlet cavity, and the return pipes are connected with one-way valves with the flow directions from top to bottom.
The lower surface of the partition plate is connected with a water outlet pipe and a water return pipe; one end of the water outlet pipe and one end of the water return pipe are communicated with the hollow interior of the partition plate, and the other end of the water outlet pipe and the other end of the water return pipe penetrate through the lower surface of the box body and are communicated with the interior of the water tank.
The heat exchange plate comprises an outer plate and an inner plate, a first cavity is formed between the outer plate and the inner plate, the inner plate is of a hollow structure, a second cavity is formed inside the inner plate, the lower end of the first cavity is open and connected with the upper surface of the partition plate, and the first cavity is communicated with the inside of the hollow partition plate.
The lower part of the left side of the heat exchange plate is connected with a first overflow pipe, one end of the first overflow pipe is communicated with the outside of the partition plate, and the other end of the first overflow pipe is communicated with the second cavity.
And the upper part of the right side of the heat exchange plate is connected with a second overflow pipe, one end of the second overflow pipe is communicated with the outside of the partition plate, and the other end of the second overflow pipe is communicated with the second cavity.
The surface of one side of the box body is connected with an air pump, the air inlet end of the air pump is connected with a natural gas main pipe, and a regulating valve is arranged on a pipeline.
The other end of the air pump is connected with an air inlet pipe, and the air inlet pipe penetrates through the side surface of the box body and extends into the heat exchange cavity.
The air inlet pipe penetrates through the plurality of heat exchange plates; the surface of the air inlet pipe is connected with a plurality of nozzles.
The nozzle is of a hollow cylinder structure, and two ends of the nozzle are connected with the air inlet pipe; and a plurality of nozzles are arranged on the side surface of the nozzle.
A multi-cavity efficient LNG vaporization heat exchange device comprises a box body, wherein a partition plate is connected to the inner wall of the box body, and divides the interior of the box body into an upper heat exchange cavity and a lower liquid inlet cavity; the surface of one side of the liquid inlet cavity is connected with a liquid inlet, and the liquid inlet is connected with an LNG storage tank or an LNG tank car; the lower surface of the box body below the liquid inlet cavity is connected with a water tank, and the inner wall of the water tank is provided with an electric heater; the inner wall of the heat exchange cavity is connected with a plurality of vertical heat exchange plates, the heat exchange cavity is divided into a plurality of independent cavities by the heat exchange plates, and the top of each independent cavity is connected with an exhaust pipe; the top of the box body is provided with a natural gas main pipe, and the exhaust pipe is connected with the natural gas main pipe. The device solves the problems of small heat exchange contact surface and low vaporization efficiency of the existing vaporization device, and has the characteristics of large heat exchange contact surface and high vaporization efficiency.
In a preferred scheme, the partition plate is of a hollow structure; one end of the clapboard is connected with a conduit which penetrates through the upper surface and the lower surface and is communicated with the heat exchange cavity and the liquid inlet cavity; the other end of the clapboard is connected with two return pipes which run through the upper surface and the lower surface, the return pipes are communicated with the heat exchange cavity and the liquid inlet cavity, and the return pipes are connected with one-way valves with the flow directions from top to bottom. The structure is simple, and when the device is used, after the liquefied natural gas enters the liquid inlet cavity from the liquid inlet, the liquefied natural gas overflows from the liquid inlet cavity below to the heat exchange cavity through the guide pipe to exchange heat and vaporize; after the liquid natural gas is subjected to heat exchange vaporization through the heat exchange cavity, the incompletely vaporized liquid natural gas flows back to the liquid inlet cavity from the return pipe.
In a preferred scheme, the lower surface of the partition plate is connected with a water outlet pipe and a water return pipe; one end of the water outlet pipe and one end of the water return pipe are communicated with the hollow interior of the partition plate, and the other end of the water outlet pipe and the other end of the water return pipe penetrate through the lower surface of the box body and are communicated with the interior of the water tank. The structure is simple, and when the heat exchanger is used, the water tank, the partition plate and the heat exchange plate are filled with circulating water; circulating water in the water tank is heated through the electric heater, and hot water rises, and cold water after the heat transfer descends, and self-loopa flows in whole circulation water route, and the baffle heats the liquefied natural gas of downside from top to bottom simultaneously, cooperates with the heat transfer board, forms the huge heat exchange surface of area to greatly promoted the efficiency of heat transfer vaporization.
In a preferred scheme, the heat exchange plate comprises an outer plate and an inner plate, a first cavity is formed between the outer plate and the inner plate, the inner plate is of a hollow structure, a second cavity is formed inside the inner plate, the lower end of the first cavity is open and connected with the upper surface of the partition plate, and the first cavity is communicated with the inside of the hollow partition plate.
In a preferable scheme, the lower part of the left side of the heat exchange plate is connected with a first overflow pipe, one end of the first overflow pipe is communicated with the outside of the partition plate, and the other end of the first overflow pipe is communicated with the second cavity.
In a preferable scheme, the upper part of the right side of the heat exchange plate is connected with a second overflow pipe, one end of the second overflow pipe is communicated with the outside of the partition plate, and the other end of the second overflow pipe is communicated with the second cavity. The structure is simple, when in use, the first cavity is communicated with the interior of the lower partition plate to form a part of the circulating water path; after overflowing to the heat exchange cavity above from the guide pipe, the liquefied natural gas enters the second cavity from the first overflow pipe to exchange heat with hot water in the surrounding first cavity, and the vaporized natural gas and the incompletely vaporized liquefied natural gas overflow from the second overflow pipe and enter a subsequent heat exchange cavity to be further vaporized; the contact time of the liquefied natural gas and the heat exchange surface is prolonged, so that the vaporization efficiency is improved.
In the preferred scheme, the surface of one side of the box body is connected with an air pump, the air inlet end of the air pump is connected with a natural gas main pipe, and a regulating valve is arranged on a pipeline.
In a preferred scheme, the other end of the air pump is connected with an air inlet pipe, and the air inlet pipe penetrates through the side surface of the box body and extends into the heat exchange cavity.
In a preferred scheme, the air inlet pipe penetrates through a plurality of heat exchange plates; the surface of the air inlet pipe is connected with a plurality of nozzles.
In the preferred scheme, the nozzle is a hollow cylinder structure, and two ends of the nozzle are connected with the air inlet pipe; and a plurality of nozzles are arranged on the side surface of the nozzle. The structure is simple, and when the natural gas vaporizer is used, vaporized natural gas enters the natural gas main pipe through the exhaust pipe; a branch of the natural gas main pipe enters the box body through the air pump, and the liquid natural gas in the heat exchange cavity is stirred in an air injection mode, so that the heat exchange efficiency is improved, and the heat exchange time required by vaporization is shortened.
A multi-cavity efficient LNG vaporization heat exchange device comprises a box body, wherein a partition plate is connected to the inner wall of the box body, and divides the interior of the box body into an upper heat exchange cavity and a lower liquid inlet cavity; the surface of one side of the liquid inlet cavity is connected with a liquid inlet, and the liquid inlet is connected with an LNG storage tank or an LNG tank car; the lower surface of the box body below the liquid inlet cavity is connected with a water tank, and the inner wall of the water tank is provided with an electric heater; the inner wall of the heat exchange cavity is connected with a plurality of vertical heat exchange plates, the heat exchange cavity is divided into a plurality of independent cavities by the heat exchange plates, and the top of each independent cavity is connected with an exhaust pipe; the top of the box body is provided with a natural gas main pipe, and the exhaust pipe is connected with the natural gas main pipe. The device solves the problems of small heat exchange contact surface and low vaporization efficiency of the existing vaporization device, and has the characteristics of large heat exchange contact surface and high vaporization efficiency.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic structural diagram of the middle partition plate of the present invention.
Fig. 3 is a schematic structural view of the heat exchange plate of the present invention.
Fig. 4 is a schematic structural diagram of the nozzle of the present invention.
The reference numbers in the figures are: the natural gas heat exchanger comprises a box body 1, a heat exchange cavity 11, a liquid inlet cavity 12, a liquid inlet 13, a natural gas main pipe 14, an exhaust pipe 15, a partition plate 2, a guide pipe 21, a return pipe 22, a one-way valve 23, a water tank 3, a water outlet pipe 31, a water return pipe 32, a heat exchange plate 4, an outer plate 41, an inner plate 42, a first cavity 43, a second cavity 44, a first overflowing pipe 45, a second overflowing pipe 46, an electric heater 5, an air pump 6, an air inlet pipe 61, a nozzle 62 and a nozzle 63.
Detailed Description
As shown in fig. 1 to 4, a multi-chamber high-efficiency LNG vaporization heat exchange device comprises a box body 1, wherein a partition plate 2 is connected to the inner wall of the box body 1, and the partition plate 2 divides the interior of the box body 1 into an upper heat exchange chamber 11 and a lower liquid inlet chamber 12; a liquid inlet 13 is connected to the surface of one side of the liquid inlet cavity 12, and the liquid inlet 13 is connected with an LNG storage tank or an LNG tank car; the lower surface of the box body 1 below the liquid inlet cavity 12 is connected with a water tank 3, and the inner wall of the water tank 3 is provided with an electric heater 5; the inner wall of the heat exchange cavity 11 is connected with a plurality of vertical heat exchange plates 4, the heat exchange cavity 11 is divided into a plurality of independent cavities by the heat exchange plates 4, and the top of each independent cavity is connected with an exhaust pipe 15; the top of the box body 1 is provided with a natural gas main pipe 14, and an exhaust pipe 15 is connected with the natural gas main pipe 14. The device solves the problems of small heat exchange contact surface and low vaporization efficiency of the existing vaporization device, and has the characteristics of large heat exchange contact surface and high vaporization efficiency.
In a preferred scheme, the partition plate 2 is of a hollow structure; one end of the clapboard 2 is connected with a conduit 21 which penetrates through the upper surface and the lower surface, and the conduit 21 is communicated with the heat exchange cavity 11 and the liquid inlet cavity 12; the other end of the clapboard 2 is connected with a return pipe 22 which penetrates through the upper surface and the lower surface, the return pipe 22 is communicated with the heat exchange cavity 11 and the liquid inlet cavity 12, and the return pipe 22 is connected with a one-way valve 23 which flows from top to bottom. The structure is simple, when in use, after the liquefied natural gas enters the liquid inlet cavity 12 from the liquid inlet 13, the liquefied natural gas overflows from the liquid inlet cavity 12 below to the heat exchange cavity 11 through the conduit 21 to carry out heat exchange vaporization; after the heat exchange and vaporization of the heat exchange cavity 11, the incompletely vaporized liquefied natural gas flows back to the liquid inlet cavity 12 from the return pipe 22.
In the preferred scheme, the lower surface of the partition board 2 is connected with a water outlet pipe 31 and a water return pipe 32; one ends of the water outlet pipe 31 and the water return pipe 32 are communicated with the hollow inside of the partition board 2, and the other ends penetrate through the lower surface of the box body 1 to be communicated with the inside of the water tank 3. The structure is simple, and when the heat exchanger is used, the water tank 3, the partition plate 2 and the heat exchange plate 4 are filled with circulating water; circulating water in the water tank 3 heats through the electric heater 5, and hot water rises, and cold water after the heat transfer descends, and self-loopa flows in whole circulation water route, and baffle 2 heats the liquefied natural gas of downside from top to bottom simultaneously, with the cooperation of heat transfer board 4, forms the huge heat exchange surface of area to greatly promoted the efficiency of heat transfer vaporization.
In a preferred scheme, the heat exchange plate 4 comprises an outer plate 41 and an inner plate 42, a first cavity 43 is formed between the outer plate 41 and the inner plate 42, the inner plate 42 is of a hollow structure, a second cavity 44 is formed inside the inner plate, the lower end of the first cavity 43 is open and connected with the upper surface of the partition board 2, and the first cavity 43 is communicated with the inside of the hollow partition board 2.
In a preferred scheme, the lower part of the left side of the heat exchange plate 4 is connected with a first overflow pipe 45, one end of the first overflow pipe 45 is communicated with the outside of the partition plate 2, and the other end of the first overflow pipe is communicated with the second cavity 44.
In a preferred scheme, a second overflow pipe 46 is connected to the upper portion of the right side of the heat exchange plate 4, one end of the second overflow pipe 46 is communicated with the outside of the partition plate 2, and the other end is communicated with the second cavity 44. The structure is simple, when in use, the first cavity 43 is communicated with the inside of the lower clapboard 2 and becomes a part of the circulating water path; after overflowing from the conduit 21 to the heat exchange cavity 11 above, the liquefied natural gas enters the second cavity 44 from the first overflow pipe 45 to exchange heat with the hot water in the surrounding first cavity 43, and the vaporized natural gas and the incompletely vaporized liquefied natural gas overflow from the second overflow pipe 46 to enter the subsequent heat exchange cavity 11 for further vaporization; the contact time of the liquefied natural gas and the heat exchange surface is prolonged, so that the vaporization efficiency is improved.
In the preferred scheme, the surface of one side of the box body 1 is connected with an air pump 6, the air inlet end of the air pump 6 is connected with a natural gas main pipe 14, and a regulating valve is arranged on a pipeline.
In a preferred scheme, the other end of the air pump 6 is connected with an air inlet pipe 61, and the air inlet pipe 61 penetrates through the side surface of the box body 1 and extends into the heat exchange cavity 11.
In a preferred scheme, the air inlet pipe 61 penetrates through the plurality of heat exchange plates 4; the air inlet pipe 61 is connected with a plurality of nozzles 62 on the surface.
In a preferred scheme, the nozzle 62 is of a hollow cylinder structure, and two ends of the nozzle 62 are connected with the air inlet pipe 61; the nozzle 62 has a plurality of nozzles 63 formed on a side surface thereof. The structure is simple, and when the natural gas vaporizer is used, vaporized natural gas enters the natural gas main pipe 14 through the exhaust pipe 15; a branch of the natural gas main pipe 14 enters the box body 1 through the air pump 6 to stir the liquid natural gas in the heat exchange cavity 11 in an air injection mode, so that the heat exchange efficiency is improved, and the heat exchange time required by vaporization is shortened.
When the multi-cavity high-efficiency LNG vaporization heat exchange device is installed and used, the inner wall of the box body 1 is connected with the partition plate 2, and the partition plate 2 divides the interior of the box body 1 into the upper heat exchange cavity 11 and the lower liquid inlet cavity 12; a liquid inlet 13 is connected to the surface of one side of the liquid inlet cavity 12, and the liquid inlet 13 is connected with an LNG storage tank or an LNG tank car; the lower surface of the box body 1 below the liquid inlet cavity 12 is connected with a water tank 3, and the inner wall of the water tank 3 is provided with an electric heater 5; the inner wall of the heat exchange cavity 11 is connected with a plurality of vertical heat exchange plates 4, the heat exchange cavity 11 is divided into a plurality of independent cavities by the heat exchange plates 4, and the top of each independent cavity is connected with an exhaust pipe 15; the top of the box body 1 is provided with a natural gas main pipe 14, and an exhaust pipe 15 is connected with the natural gas main pipe 14. The device solves the problems of small heat exchange contact surface and low vaporization efficiency of the existing vaporization device, and has the characteristics of large heat exchange contact surface and high vaporization efficiency.
When in use, the clapboard 2 is a hollow structure; one end of the clapboard 2 is connected with a conduit 21 which penetrates through the upper surface and the lower surface, and the conduit 21 is communicated with the heat exchange cavity 11 and the liquid inlet cavity 12; the other end of the clapboard 2 is connected with two return pipes 22 which run through the upper surface and the lower surface, the return pipes 22 are communicated with the heat exchange cavity 11 and the liquid inlet cavity 12, the return pipes 22 are connected with one-way valves 23 which flow from top to bottom, and after entering the liquid inlet cavity 12 from the liquid inlet 13, the liquid natural gas overflows from the liquid inlet cavity 12 below to the heat exchange cavity 11 through a conduit 21 for heat exchange vaporization; after the heat exchange and vaporization of the heat exchange cavity 11, the incompletely vaporized liquefied natural gas flows back to the liquid inlet cavity 12 from the return pipe 22.
When in use, the lower surface of the clapboard 2 is connected with a water outlet pipe 31 and a water return pipe 32; one end of the water outlet pipe 31 and one end of the water return pipe 32 are communicated with the hollow interior of the partition plate 2, the other end of the water outlet pipe penetrates through the lower surface of the box body 1 to be communicated with the interior of the water tank 3, and circulating water is filled in the water tank 3, the partition plate 2 and the heat exchange plate 4; circulating water in the water tank 3 heats through the electric heater 5, and hot water rises, and cold water after the heat transfer descends, and self-loopa flows in whole circulation water route, and baffle 2 heats the liquefied natural gas of downside from top to bottom simultaneously, with the cooperation of heat transfer board 4, forms the huge heat exchange surface of area to greatly promoted the efficiency of heat transfer vaporization.
When the heat exchange plate is used, the heat exchange plate 4 comprises an outer plate 41 and an inner plate 42, a first cavity 43 is formed between the outer plate 41 and the inner plate 42, the inner plate 42 is of a hollow structure, a second cavity 44 is formed inside the inner plate, the lower end of the first cavity 43 is opened and is connected with the upper surface of the partition plate 2, and the first cavity 43 is communicated with the inside of the hollow partition plate 2.
When in use, the lower part of the left side of the heat exchange plate 4 is connected with a first overflow pipe 45, one end of the first overflow pipe 45 is communicated with the outside of the clapboard 2, and the other end is communicated with the second cavity 44.
When in use, the upper part of the right side of the heat exchange plate 4 is connected with a second overflow pipe 46, one end of the second overflow pipe 46 is communicated with the outside of the partition plate 2, the other end of the second overflow pipe is communicated with the second cavity 44, and the first cavity 43 is communicated with the inside of the partition plate 2 below to form a part of a circulating water path; after overflowing from the conduit 21 to the heat exchange cavity 11 above, the liquefied natural gas enters the second cavity 44 from the first overflow pipe 45 to exchange heat with the hot water in the surrounding first cavity 43, and the vaporized natural gas and the incompletely vaporized liquefied natural gas overflow from the second overflow pipe 46 to enter the subsequent heat exchange cavity 11 for further vaporization; the contact time of the liquefied natural gas and the heat exchange surface is prolonged, so that the vaporization efficiency is improved.
When the natural gas tank is used, the surface of one side of the tank body 1 is connected with the air pump 6, the air inlet end of the air pump 6 is connected with the natural gas main pipe 14, and the pipeline is provided with the regulating valve.
When the air pump is used, the other end of the air pump 6 is connected with an air inlet pipe 61, and the air inlet pipe 61 penetrates through the side surface of the box body 1 and extends into the heat exchange cavity 11.
In use, the air inlet duct 61 passes through the plurality of heat exchange plates 4; the air inlet pipe 61 is connected with a plurality of nozzles 62 on the surface.
When in use, the nozzle 62 is a hollow cylinder structure, and two ends of the nozzle 62 are connected with the air inlet pipe 61; the side surface of the nozzle 62 is provided with a plurality of nozzles 63, and the vaporized natural gas enters the natural gas main pipe 14 through the exhaust pipe 15; a branch of the natural gas main pipe 14 enters the box body 1 through the air pump 6 to stir the liquid natural gas in the heat exchange cavity 11 in an air injection mode, so that the heat exchange efficiency is improved, and the heat exchange time required by vaporization is shortened.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. The utility model provides a high-efficient LNG vaporization heat transfer device of multicavity which characterized in that: the heat exchanger comprises a box body (1), wherein a partition plate (2) is connected to the inner wall of the box body (1), and the partition plate (2) divides the interior of the box body (1) into an upper heat exchange cavity (11) and a lower liquid inlet cavity (12); a liquid inlet (13) is connected to the surface of one side of the liquid inlet cavity (12), and the liquid inlet (13) is connected with an LNG storage tank or an LNG tank car; the lower surface of the box body (1) below the liquid inlet cavity (12) is connected with a water tank (3), and an electric heater (5) is arranged on the inner wall of the water tank (3); the inner wall of the heat exchange cavity (11) is connected with a plurality of vertical heat exchange plates (4), the heat exchange cavity (11) is divided into a plurality of independent cavities by the heat exchange plates (4), and the top of each independent cavity is connected with an exhaust pipe (15); the top of the box body (1) is provided with a natural gas main pipe (14), and the exhaust pipe (15) is connected with the natural gas main pipe (14).
2. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 1, wherein: the partition plate (2) is of a hollow structure; one end of the clapboard (2) is connected with a conduit (21) which penetrates through the upper surface and the lower surface, and the conduit (21) is communicated with the heat exchange cavity (11) and the liquid inlet cavity (12); the other end of the clapboard (2) is connected with a return pipe (22) which runs through the upper surface and the lower surface, the return pipe (22) is communicated with the heat exchange cavity (11) and the liquid inlet cavity (12), and the return pipe (22) is connected with a one-way valve (23) which flows from top to bottom.
3. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 1, wherein: the lower surface of the partition plate (2) is connected with a water outlet pipe (31) and a water return pipe (32); one end of the water outlet pipe (31) and one end of the water return pipe (32) are communicated with the hollow inside of the partition plate (2), and the other end of the water outlet pipe penetrates through the lower surface of the box body (1) and is communicated with the inside of the water tank (3).
4. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 1, wherein: the heat exchange plate (4) comprises an outer plate (41) and an inner plate (42), a first cavity (43) is formed between the outer plate (41) and the inner plate (42), the inner plate (42) is of a hollow structure, a second cavity (44) is formed inside the inner plate, the lower end of the first cavity (43) is open and is connected with the upper surface of the partition plate (2), and the first cavity (43) is communicated with the inside of the hollow partition plate (2).
5. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 1, wherein: the lower part of the left side of the heat exchange plate (4) is connected with a first overflow pipe (45), one end of the first overflow pipe (45) is communicated with the outside of the partition plate (2), and the other end of the first overflow pipe is communicated with the second cavity (44).
6. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 1, wherein: and the upper part of the right side of the heat exchange plate (4) is connected with a second overflowing pipe (46), one end of the second overflowing pipe (46) is communicated with the outside of the partition plate (2), and the other end of the second overflowing pipe is communicated with the second cavity (44).
7. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 1, wherein: the surface of one side of the box body (1) is connected with an air pump (6), the air inlet end of the air pump (6) is connected with a natural gas main pipe (14), and a regulating valve is arranged on a pipeline.
8. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 7, wherein: the other end of the air pump (6) is connected with an air inlet pipe (61), and the air inlet pipe (61) penetrates through the side surface of the box body (1) and extends into the heat exchange cavity (11).
9. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 8, wherein: the air inlet pipe (61) penetrates through the plurality of heat exchange plates (4); the surface of the air inlet pipe (61) is connected with a plurality of nozzles (62).
10. The multi-chamber high efficiency LNG vaporization heat exchange apparatus of claim 9, wherein: the nozzle (62) is of a hollow cylinder structure, and two ends of the nozzle (62) are connected with the air inlet pipe (61); a plurality of nozzles (63) are arranged on the side surface of the nozzle (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021902068.6U CN213299610U (en) | 2020-09-03 | 2020-09-03 | High-efficient LNG vaporization heat transfer device of multicavity room |
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| CN202021902068.6U CN213299610U (en) | 2020-09-03 | 2020-09-03 | High-efficient LNG vaporization heat transfer device of multicavity room |
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| CN213299610U true CN213299610U (en) | 2021-05-28 |
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| CN202021902068.6U Active CN213299610U (en) | 2020-09-03 | 2020-09-03 | High-efficient LNG vaporization heat transfer device of multicavity room |
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2020
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