CN210400071U - Double-layer superposed heat exchanger for LNG power ship - Google Patents
Double-layer superposed heat exchanger for LNG power ship Download PDFInfo
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- CN210400071U CN210400071U CN201921327782.4U CN201921327782U CN210400071U CN 210400071 U CN210400071 U CN 210400071U CN 201921327782 U CN201921327782 U CN 201921327782U CN 210400071 U CN210400071 U CN 210400071U
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Abstract
The utility model discloses a marine double-deck stack heat exchanger of LNG power, including first heat exchanger mechanism and second heat exchanger mechanism, first heat exchanger mechanism includes the barrel, the both sides inner wall of barrel all is provided with the baffling board, and the top inner wall of baffling board is provided with the tube bank, the outer wall of barrel one end is provided with housing flange, and the barrel is close to housing flange's one end inner wall and be provided with the tube sheet, the barrel has a pipe case through housing flange connection, the one end that the pipe case was kept away from to the barrel is provided with the barrel head, the both ends of the both sides outer wall of barrel all are provided with the saddle, the inner structure of first heat exchanger mechanism and second heat exchanger mechanism is identical. The utility model discloses a stack of two heat exchangers has solved the problem of gas evaporation and heating, has also reduced the required space problem of evaporimeter and heater, to the LNG ship, is a big progress.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to a marine double-deck stack heat exchanger of LNG power.
Background
The natural gas transport on LNG ships is liquid, but in practice gaseous, which requires vaporizers and heaters to bring the natural gas to a usable state. The existing similar products mainly comprise a single evaporator and a single heater, and due to the fact that the LNG temperature change is large, the selected products are basically U-shaped heat exchangers.
Most of similar products on the existing ship in the current market are fixed tube plate type heat exchangers and U-shaped heat exchangers, under the condition of large heat exchange temperature difference, the space occupied by a single evaporator and a single heater can be large, but the space on the ship is often insufficient, so that the design of the evaporator and the heater is optimized to some extent, and the double-layer superposed heat exchanger is a feasible scheme.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the marine double-deck stack heat exchanger of LNG power that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a LNG power marine double-deck stack heat exchanger, includes first heat exchanger mechanism and second heat exchanger mechanism, first heat exchanger mechanism includes the barrel, the both sides inner wall of barrel all is provided with the baffling board, and the top inner wall of baffling board is provided with the tube bank, the outer wall of barrel one end is provided with housing flange, and the barrel is close to housing flange's one end inner wall and is provided with the tube sheet, the barrel has a pipe case through housing flange connection, the one end that pipe case was kept away from to the barrel is provided with the barrel head, the both ends of the both sides outer wall of barrel all are provided with the saddle, the inner structure of first heat exchanger mechanism and second heat exchanger.
Preferably, the outer wall of the bottom of the first heat exchanger mechanism is respectively provided with an LNC inlet, an ethylene glycol inlet and an evaporator sewage outlet.
Preferably, the outer wall of the top of the first heat exchanger mechanism is respectively provided with an NG heater port, an evaporator gas port and a glycol heater port, the NG heater port is provided with a BPU port, and the NG heater port and the glycol heater port are connected to the second heat exchanger mechanism.
Preferably, the outer wall of the top of the second heat exchanger mechanism is respectively provided with a heater NG outlet, a glycol outlet and a heater gas interface.
The utility model has the advantages that:
1. this double-deck stack heat exchanger for LNG power ship has solved the problem of gas evaporation and heating through the stack of two heat exchangers, has also reduced the required space problem of evaporimeter and heater, to LNG ship, is a big progress.
Drawings
Fig. 1 is the utility model provides a double-deck stack heat exchanger's for LNG power ship sectional structure schematic diagram.
In the figure: 1. the heat exchanger comprises a tube box 2, a tube plate 3, a shell flange 4, a cylinder 5, a tube bundle 6, a baffle plate 7, a saddle 8, a cylinder end socket 9, an LNG inlet 10, an ethylene glycol inlet 11, an evaporator sewage discharge outlet 12, an NG heater port 13, an evaporator gas interface 14, an ethylene glycol heater port 15, a BPU interface 16, a heater NG outlet 17, an ethylene glycol outlet 18, a heater gas interface, a first heat exchanger mechanism 19, a second heat exchanger mechanism 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a double-layer superposed heat exchanger for an LNG powered ship comprises a first heat exchanger mechanism 19 and a second heat exchanger mechanism 20, wherein the first heat exchanger mechanism 19 comprises a cylinder 4, baffle plates 6 are arranged on inner walls of two sides of the cylinder 4, a tube bundle 5 is arranged on an inner wall of the top of each baffle plate 6, a shell flange 3 is arranged on an outer wall of one end of the cylinder 4, a tube plate 2 is arranged on an inner wall of one end, close to the shell flange 3, of the cylinder 4, the cylinder 4 is connected with a pipe box 1 through the shell flange 3, a cylinder end socket 8 is arranged at one end, far away from the pipe box 1, of the cylinder 4, saddles 7 are arranged on two ends of outer walls of two sides of the cylinder 4, the inner structures of the first heat exchanger mechanism 19 and the second heat exchanger mechanism 20 are completely the same, an LNC inlet 9, an ethylene glycol inlet 10 and an evaporator drain outlet, The evaporator gas interface 13 and the glycol heater port 14, the NG heater port 12 is provided with a BPU interface 15, the NG heater port 12 and the glycol heater port 14 are connected to the second heat exchanger mechanism 20, and the outer wall of the top of the second heat exchanger mechanism 20 is respectively provided with a heater NG outlet 16, a glycol outlet 17 and a heater gas interface 18.
The working principle is as follows: when the LNG evaporator is used, LNG enters from the LNG inlet 9, glycol enters from the glycol inlet 10, heat exchange is carried out between the LNG and a glycol tank in a shell side through the U-shaped heat exchange tube in the evaporator, the LNG becomes NG and enters the top heater through the NG heater port 12, the glycol reaches the shell side of the top heater through the glycol heater port 14 and exchanges heat with the NG again to reach the required temperature, if the pressure of the tube side in the evaporator is too high, a part of the glycol can flow back to the BPU through the BPU port 15, and the pressure and the flow of the temperature tube side are partial. The evaporator and the heater are overlapped together, LNG is directly fed into the heater after being NG, intermediate pipeline processes are omitted, and ethylene glycol can be reused.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A double-layer superposed heat exchanger for an LNG power ship comprises a first heat exchanger mechanism (19) and a second heat exchanger mechanism (20), it is characterized in that the first heat exchanger mechanism (19) comprises a cylinder body (4), baffle plates (6) are arranged on the inner walls of the two sides of the cylinder body (4), and the inner wall of the top part of the baffle plate (6) is provided with a tube bundle (5), the outer wall of one end of the cylinder body (4) is provided with a shell flange (3), and the inner wall of one end of the cylinder (4) close to the shell flange (3) is provided with a tube plate (2), the cylinder body (4) is connected with a pipe box (1) through a shell flange (3), a cylinder end enclosure (8) is arranged at one end of the cylinder (4) far away from the channel box (1), two ends of the outer walls of the two sides of the cylinder body (4) are respectively provided with a saddle (7), the internal structures of the first heat exchanger mechanism (19) and the second heat exchanger mechanism (20) are completely the same.
2. The double-layer superimposed heat exchanger for the LNG powered ship as claimed in claim 1, wherein the outer wall of the bottom of the first heat exchanger mechanism (19) is provided with an LNG inlet (9), a glycol inlet (10) and a vaporizer sewage outlet (11) respectively.
3. The double-layer superimposed heat exchanger for the LNG powered ship as claimed in claim 1, wherein the top outer wall of the first heat exchanger mechanism (19) is provided with an NG heater port (12), an evaporator gas port (13) and a glycol heater port (14), respectively, and the NG heater port (12) is provided with a BPU port (15), and the NG heater port (12) and the glycol heater port (14) are connected to the second heat exchanger mechanism (20).
4. The double-deck stacked heat exchanger for LNG-powered ships according to claim 1, characterized in that the top outer wall of the second heat exchanger means (20) is provided with a heater NG outlet (16), a glycol outlet (17) and a heater gas interface (18), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327782.4U CN210400071U (en) | 2019-08-16 | 2019-08-16 | Double-layer superposed heat exchanger for LNG power ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327782.4U CN210400071U (en) | 2019-08-16 | 2019-08-16 | Double-layer superposed heat exchanger for LNG power ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210400071U true CN210400071U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921327782.4U Active CN210400071U (en) | 2019-08-16 | 2019-08-16 | Double-layer superposed heat exchanger for LNG power ship |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811420A (en) * | 2022-04-06 | 2022-07-29 | 中国船舶重工集团公司第七二五研究所 | LNG vaporizer |
-
2019
- 2019-08-16 CN CN201921327782.4U patent/CN210400071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811420A (en) * | 2022-04-06 | 2022-07-29 | 中国船舶重工集团公司第七二五研究所 | LNG vaporizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200814 Address after: Room 3-702, garden square, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Power Co., Ltd Address before: 200120 Shanghai City, Pudong New Area Wanxiang town Hongxiang road 83 Lane No. 1-42 building 20 room 118 Patentee before: Shanghai fantuo Power Co.,Ltd. |
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| TR01 | Transfer of patent right |