CN214950749U

CN214950749U - Heat exchange device for LNG power ship

Info

Publication number: CN214950749U
Application number: CN202120491125.4U
Authority: CN
Inventors: 丁宇宁
Original assignee: Zhejiang Power Co Ltd
Current assignee: Zhejiang Power Co Ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-11-30
Anticipated expiration: 2031-03-08

Abstract

The utility model belongs to the technical field of the integral type heat exchanger, especially, marine heat transfer device of LNG power, including the shell barrel, the one end fixedly connected with barrel flange of shell barrel, the fixed surface of barrel flange is connected with heat flow import pipe, the one end of heat flow import pipe runs through and extends to the inner wall of shell barrel, the other end fixedly connected with barrel shrouding of shell barrel, the fixed surface of barrel shrouding is connected with the heat flow export pipe. This marine heat transfer device of LNG power through setting up heat transfer booster mechanism, when using, through combining vaporization and self-pressurization function, reduces the use in space, reduces manufacturing cost, increases the utilization ratio of thermal current to solved current heat exchanger and need used vaporizer and self-pressurizing ware simultaneously and satisfied ship usefulness, caused the problem of space waste and production unnecessary wasting of resources.

Description

Heat exchange device for LNG power ship

Technical Field

The utility model relates to an integral type heat exchanger technical field especially relates to a marine heat transfer device of LNG power.

Background

The natural gas transport state on LNG ships is usually in a liquid state, but in practical use, LNG needs to be converted into a gas state for use, for example, as fuel, and the storage tank is self-pressurized. In order to achieve conversion of the gas phase and the liquid phase, a heat exchanger is actually used.

A heat exchanger is widely used in various fields as a heat exchange apparatus. The heat exchangers are various in types, and the types of the applied heat exchangers are determined according to different working conditions such as site sizes and application occasion medium types. If the two functions are respectively provided with the vaporizer and the self-pressurizer to meet the requirement of the ship, the waste of limited space on the ship is avoided, and the cost of the links of feeding, manufacturing, installation and the like is increased, so that a combined and integrated heat exchange and pressurization integrated device for the LNG power ship is needed.

SUMMERY OF THE UTILITY MODEL

Based on current heat exchanger need use the vaporizer simultaneously and satisfy ship with the autogenous pressure booster, cause the technical problem of the extravagant and unnecessary wasting of resources of space, the utility model provides a marine heat transfer device of LNG power.

The utility model provides a LNG power marine heat transfer device, including the shell barrel, the one end fixedly connected with barrel flange of shell barrel, the fixed surface of barrel flange is connected with the heat flow import pipe, the one end of heat flow import pipe runs through and extends to the inner wall of shell barrel, the other end fixedly connected with barrel shrouding of shell barrel, the fixed surface of barrel shrouding is connected with the heat flow export pipe, the one end of heat flow export pipe runs through and extends to the inner wall of shell barrel, the inner wall of heat flow import pipe and heat flow export pipe all with the inner wall fixed intercommunication of shell barrel;

the inner wall fixedly connected with heat transfer booster mechanism of shell barrel, heat transfer booster mechanism is including around body core pipe, the inner wall of shell barrel cup joints with the surface around body core pipe.

Preferably, both ends of the winding body core pipe are respectively and fixedly communicated with a vaporizer gas phase outlet pipe and a vaporizer LNG inlet pipe.

Preferably, the vaporizer gas phase outlet pipe and the vaporizer LNG inlet pipe both penetrate and extend to the surface of the shell cylinder.

Preferably, the vaporizer gas phase outlet pipe and the vaporizer LNG inlet pipe are both located on the side of the shell cylinder close to the heat flow inlet pipe.

Preferably, the inner wall of the winding core tube is sleeved with a central self-pressurization tube.

Preferably, both ends of the central self-pressurization pipe are respectively and fixedly communicated with an LNG inlet pipe of the self-pressurization device and a gas-phase outlet pipe of the self-pressurization device.

Preferably, one end of each of the LNG inlet pipe from the supercharger and the gas outlet pipe from the supercharger penetrates and extends to the surface of the shell cylinder.

The utility model provides a beneficial effect does:

through setting up heat transfer booster mechanism, when using, through combining vaporization and self-pressurization function, reduce the use in space, reduce manufacturing cost, increase the utilization ratio of thermal current to solved current heat exchanger and need used vaporizer and self-pressurization simultaneously and satisfy marine, caused the problem of space waste and production unnecessary wasting of resources.

Drawings

Fig. 1 is the utility model provides a marine heat transfer device of LNG power's schematic diagram.

In the figure: 1. a housing cylinder; 2. a cylinder flange; 3. a heat flow inlet pipe; 4. a cylinder body sealing plate; 5. a hot stream outlet pipe; 6. a winding core tube; 61. a vaporizer gas phase outlet pipe; 62. a vaporizer LNG inlet pipe; 63. a central self-pressurizing pipe; 64. an LNG inlet pipe of the self-pressurizer; 65. from the gas phase outlet pipe of the supercharger.

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, the heat exchange device for the LNG-powered ship comprises a shell cylinder 1, wherein one end of the shell cylinder 1 is fixedly connected with a cylinder flange 2;

further, the cylinder flange 2 is a movable and detachable flange;

the surface of the cylinder flange 2 is fixedly connected with a heat flow inlet pipe 3, one end of the heat flow inlet pipe 3 penetrates through and extends to the inner wall of the shell cylinder 1, the other end of the shell cylinder 1 is fixedly connected with a cylinder sealing plate 4, the surface of the cylinder sealing plate 4 is fixedly connected with a heat flow outlet pipe 5, one end of the heat flow outlet pipe 5 penetrates through and extends to the inner wall of the shell cylinder 1, and the inner walls of the heat flow inlet pipe 3 and the heat flow outlet pipe 5 are fixedly communicated with the inner wall of the shell cylinder 1;

the inner wall of the shell cylinder body 1 is fixedly connected with a heat exchange pressurizing mechanism, the heat exchange pressurizing mechanism comprises a winding core pipe 6, and the inner wall of the shell cylinder body 1 is sleeved with the surface of the winding core pipe 6;

a vaporizer gas phase outlet pipe 61 and a vaporizer LNG inlet pipe 62 are fixedly communicated with two ends of the winding core pipe 6 respectively, the vaporizer gas phase outlet pipe 61 and the vaporizer LNG inlet pipe 62 both penetrate through and extend to the surface of the shell cylinder 1, the vaporizer gas phase outlet pipe 61 and the vaporizer LNG inlet pipe 62 are both positioned on one side of the shell cylinder 1 close to the heat flow inlet pipe 3, and a central self-pressurization pipe 63 is sleeved on the inner wall of the winding core pipe 6;

furthermore, a space is reserved in the middle of the coil pipe formed by the winding core body pipe bundle of the winding core pipe 6, and the central self-pressurization pipe 63 penetrates through the center of the annular space formed by the coil pipe, so that the winding core pipe has the characteristic of facilitating later repair and maintenance of the interior;

an LNG inlet pipe 64 of the self-pressurizer and a gas-phase outlet pipe 65 of the self-pressurizer are respectively fixedly communicated with two ends of the central self-pressurizing pipe 63, and one ends of the LNG inlet pipe 64 of the self-pressurizer and one end of the gas-phase outlet pipe 65 of the self-pressurizer penetrate through and extend to the surface of the shell cylinder 1;

The working principle is as follows: after entering the shell barrel 1 through the heat flow inlet pipe 3, the heat flow medium flows from left to right to the heat flow outlet pipe 5 and flows out, LNG enters through the LNG inlet pipe 64 of the self-pressurizing device and the LNG inlet pipe 62 of the vaporizer, flows through the central self-pressurizing pipe 63 and the winding core pipe 6, is in contact with the heat flow medium and the LNG in the barrel through the pipe bundle to exchange, the LNG is converted into NG with the corresponding temperature, and the generated NG is discharged from the self-pressurizing gas phase outlet pipe and the vaporizer gas phase outlet pipe 61.

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

1. The utility model provides a marine heat transfer device of LNG power, includes shell barrel (1), its characterized in that: one end of the shell cylinder (1) is fixedly connected with a cylinder flange (2), the surface of the cylinder flange (2) is fixedly connected with a heat flow inlet pipe (3), one end of the heat flow inlet pipe (3) penetrates through and extends to the inner wall of the shell cylinder (1), the other end of the shell cylinder (1) is fixedly connected with a cylinder sealing plate (4), the surface of the cylinder sealing plate (4) is fixedly connected with a heat flow outlet pipe (5), one end of the heat flow outlet pipe (5) penetrates through and extends to the inner wall of the shell cylinder (1), and the inner walls of the heat flow inlet pipe (3) and the heat flow outlet pipe (5) are fixedly communicated with the inner wall of the shell cylinder (1);

the inner wall fixedly connected with heat transfer booster mechanism of shell barrel (1), heat transfer booster mechanism is including around body core pipe (6), the inner wall of shell barrel (1) cup joints with the surface around body core pipe (6).

2. The heat exchange device for the LNG powered ship of claim 1, wherein: and both ends of the winding body core pipe (6) are respectively and fixedly communicated with a vaporizer gas phase outlet pipe (61) and a vaporizer LNG inlet pipe (62).

3. The heat exchange device for the LNG powered ship of claim 2, wherein: the vaporizer gas phase outlet pipe (61) and the vaporizer LNG inlet pipe (62) both penetrate and extend to the surface of the shell cylinder (1).

4. The heat exchange device for the LNG powered ship of claim 3, wherein: the vaporizer gas phase outlet pipe (61) and the vaporizer LNG inlet pipe (62) are both positioned on one side of the shell cylinder (1) close to the heat flow inlet pipe (3).

5. The heat exchange device for the LNG powered ship of claim 4, wherein: and the inner wall of the winding core pipe (6) is sleeved with a central self-pressurization pipe (63).

6. The heat exchange device for the LNG powered ship of claim 5, wherein: and the two ends of the central self-pressurizing pipe (63) are respectively and fixedly communicated with an LNG inlet pipe (64) of the self-pressurizing device and a gas-phase outlet pipe (65) of the self-pressurizing device.

7. The heat exchange device for the LNG powered ship of claim 6, wherein: one end of the LNG inlet pipe (64) and one end of the gas phase outlet pipe (65) of the self-pressurizer penetrate through and extend to the surface of the shell cylinder (1).