CN210292925U

CN210292925U - Horizontal four-flow heat exchanger with cooling-dispersing section

Info

Publication number: CN210292925U
Application number: CN201921349293.9U
Authority: CN
Inventors: 耿建华; 李家春; 白润; 刘国旭
Original assignee: Harbin Turbine Auxiliary Equipment Engineering Co Ltd
Current assignee: Harbin Turbine Auxiliary Equipment Engineering Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-10
Anticipated expiration: 2029-08-19

Abstract

A horizontal four-flow heat exchanger with a cooling section belongs to the field of shell-and-tube heat exchangers and mainly aims to solve the problems that the horizontal heat exchanger in the prior art only has a double-flow structure and has poor working efficiency, and has no problems of a cooling dredging section and larger length, the utility model is provided with a first clapboard and a second clapboard, and the two clapboards are fixedly connected with the inner wall of the tube body and divide the shell A into a cavity A, a cavity B and a cavity C from bottom to top, one end of each first U-shaped heat exchange tube sequentially penetrates through the cooling cavity and the tube plate and is communicated with the cavity A, the other end of each first U-shaped heat exchange tube penetrates through the tube plate and is communicated with the cavity C, one end of each second U-shaped heat exchange tube penetrates through the tube plate and is communicated with the cavity C, the other end of each second U-shaped heat exchange tube penetrates through the tube plate and is communicated with the cavity B, and one end, provided with a flange plate, of the tube shell A is fixedly connected with one end, provided with the tube. The utility model discloses mainly used gives the equipment of cold fluid with the partial heat transfer of hot-fluid.

Description

Horizontal four-flow heat exchanger with cooling-dispersing section

Technical Field

The utility model relates to a horizontal four-flow heat exchanger of cold section is dredged in area belongs to shell and tube type heat exchanger field.

Background

The shell-and-tube heat exchanger adopts two, four or six flows vertically and two flows horizontally according to design requirements. Compared with a vertical heat exchanger, the horizontal heat exchanger has the advantages of bearing higher working pressure and temperature; the requirement on the clear height of the installation space is not high, the maintenance and the cleaning are convenient, and a platform is not required generally; the cold fluid and the hot fluid can flow in a countercurrent way and a concurrent way; the heat transfer coefficient is medium, the heating retention time is short, the defects are that the occupied area is large, and the heat exchange effect is poor compared with that of a vertical heat exchanger. However, in order to match with the design of a factory building in actual work, a horizontal heater is required to be adopted for special projects, the length of the heater is limited, the drainage cooling requirement is met, the existing horizontal heat exchanger adopts a double-flow heat exchanger, the more the flows are, the better the heat exchange effect of the heat exchanger is, the higher the working efficiency is, the working efficiency can be greatly reduced when the horizontal heat exchanger is used, and therefore the heat exchanger with the multi-flow and the self-cooling section is designed to improve the heat exchange efficiency of the horizontal heat exchanger, and the heat exchanger is in line with the actual requirement.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that a horizontal heat exchanger in the prior art only has a double-flow structure and is poor in working efficiency, does not have a cooling section and is large in length, the horizontal four-flow heat exchanger with the cooling section is provided;

a horizontal four-flow heat exchanger with a cooling section comprises a shell A, a shell B, a first horizontal partition plate, a second horizontal partition plate, a cooling cavity, M first U-shaped heat exchange tubes and M second U-shaped heat exchange tubes, wherein M is a positive integer;

one end of the shell A is sealed, the other end of the shell A is provided with a flange plate, and the side wall of the shell A is provided with a water inlet A and a water outlet A;

one end of the shell B is sealed, the other end of the shell B is provided with a tube plate, the cooling cavity is arranged inside the shell B, and the cavity of the cooling cavity is fixedly connected with the shell B;

a first horizontal partition plate is horizontally arranged inside a shell A along an axis, a second horizontal partition plate is arranged below the first partition plate, the first partition plate and the second partition plate are fixedly connected with the inner wall of the shell A and divide the shell A into a cavity A, a cavity B and a cavity C from bottom to top, M first U-shaped heat exchange tubes and M second U-shaped heat exchange tubes are arranged inside the shell B, one end of each first U-shaped heat exchange tube sequentially penetrates through a cooling cavity and the tube plate and is communicated with the cavity A, the other end of each first U-shaped heat exchange tube penetrates through the tube plate and is communicated with the cavity C, one end of each second U-shaped heat exchange tube sequentially penetrates through the tube plate and is communicated with the cavity C, the other end of each second U-shaped heat exchange tube penetrates through the tube plate and is communicated with the cavity B, and one end, provided with a flange plate, of the shell A is fixedly connected with one end, provided.

The utility model discloses for prior art's beneficial effect:

the utility model discloses for current horizontal heat exchanger has changed the structure of heat exchange tube, change original heat exchange tube into U type structure, when having increased horizontal heat exchanger's flow, still shortened the length of heat exchanger, make length shorten 1/3 at least, reduced the area of heat exchanger, improved the efficiency of heat transfer, and the utility model provides an inside hydrophobic cold chamber that is equipped with of heat exchanger possesses the hydrophobic refrigerated function of realization.

Drawings

Fig. 1 is a partial cross-sectional view of the present invention;

fig. 2 is a left side sectional view of the present invention;

in the figure, 1 a shell A, 11 a water inlet A, 12 a water outlet A, 13 flange plates, 14 a cavity A, 15 a cavity B, 16 a cavity C, 2 a shell B, 21 tube plates, 3 a horizontal partition plate, 4 a horizontal partition plate, 5 a U-shaped heat exchange tube, 6 a cooling dispersing cavity, 61 a water inlet B, 62 a water outlet B and 7 a U-shaped heat exchange tube.

Detailed Description

In a first specific embodiment, the first embodiment is described with reference to fig. 1 and 2, in the first embodiment, a horizontal four-flow heat exchanger with a cooling evacuation section includes a shell a1, a shell B2, a first horizontal partition plate 3, a second horizontal partition plate 4, a cooling evacuation cavity 6, M first U-shaped heat exchange tubes 5 and M second U-shaped heat exchange tubes 7, where M is a positive integer;

one end of the shell A1 is sealed, the other end of the shell A1 is provided with a flange 13, and the side wall of the shell A1 is provided with a water inlet A11 and a water outlet A12;

one end of the shell B2 is arranged in a closed manner, the other end of the shell B2 is provided with the tube plate 21, the cooling cavity 6 is arranged inside the shell B2, and the cavity of the cooling cavity 6 is fixedly connected with the shell B2;

a first horizontal partition plate 3 is horizontally arranged in the shell A1 along the axis, a second horizontal partition plate 4 is arranged below the first partition plate 3, the first partition plate 3 and the second partition plate 4 are fixedly connected with the inner wall of the shell A1, the shell A1 is divided into a cavity A14, a cavity B15 and a cavity C16 from bottom to top, M first U-shaped heat exchange tubes 5 and M second U-shaped heat exchange tubes 7 are arranged inside the shell B2, one end of each first U-shaped heat exchange tube 5 sequentially penetrates through the heat dissipation cavity 6 and the tube plate 21 and is communicated with the cavity A14, the other end of each first U-shaped heat exchange tube 5 penetrates through the tube plate 21 and is communicated with the cavity C16, one end of each second U-shaped heat exchange tube 7 sequentially penetrates through the tube plate 21 and is communicated with the cavity C16, the other end of each second U-shaped heat exchange tube 7 penetrates through the tube plate 21 and is communicated with the cavity B15, and one end of the shell A1, which is provided with a flange 13, and one end of the shell B2, which is.

In a second specific embodiment, the second embodiment is described with reference to fig. 1, and the second embodiment further defines the horizontal four-flow heat exchanger with a cool dispersing section described in the first specific embodiment, the water outlet a12 is disposed on the side wall where the cavity B15 is located, and the water inlet a11 is disposed on the side wall where the cavity a14 is located. Other components and connection modes are the same as those of the first embodiment.

By the arrangement, each flow in the horizontal four-flow heat exchanger can be distinguished, and accident points can be accurately found during later maintenance or repair.

In a third specific embodiment, the present embodiment is described with reference to fig. 1, and is further limited to the horizontal four-flow heat exchanger with a cooling evacuation section described in the first specific embodiment, the cooling evacuation chamber 6 is provided with a water inlet B61 and a water outlet B62, the water inlet B61 is disposed at the bottom of the housing B2, and the water outlet B62 is both communicated with the side wall of the housing B2. Other components and connection modes are the same as those of the first embodiment.

So set up, be convenient for make the cooling water circulation and the change in the chamber 6 of dredging coldness.

Fourth embodiment, the present embodiment is described with reference to fig. 1, and the present embodiment further defines the horizontal four-flow heat exchanger with a subcooling section described in the first embodiment, and the shell a1 and the shell B2 are connected by a fastener. Other components and connection modes are the same as those of the first embodiment.

In a fifth embodiment, the present embodiment is described with reference to fig. 1, and the present embodiment further defines the horizontal four-flow heat exchanger with a cooling evacuation section described in the first embodiment, and the fastener is a bolt-nut connection structure. Other components and connection modes are the same as those of the first embodiment.

Sixth embodiment, the present embodiment is described with reference to fig. 1, and the present embodiment further defines a horizontal four-flow heat exchanger with a subcooling section according to the first embodiment, where the first horizontal partition plate 3 and the second horizontal partition plate 4 are fixed to the side wall of the shell a1 by welding. Other components and connection modes are the same as those of the first embodiment.

So set up, be not convenient for between baffle and the body through connecting piece or fastener installation, the very ripe and easy operation of welded mode, cost is just very firm most practiced thrift to this kind of mounting means.

Seventh embodiment, the present embodiment is described with reference to fig. 1, and the present embodiment further defines the horizontal four-flow heat exchanger with a cool dispersing section described in the first embodiment, and the axis of the water inlet a11 and the axis of the water outlet a12 are arranged at 90 °. Other components and connection modes are the same as those of the first embodiment.

In an eighth specific embodiment, the present embodiment is described with reference to fig. 1, and the present embodiment further defines the horizontal four-flow heat exchanger with a cooling evacuation section described in the first specific embodiment, wherein one end of the tube plate 21 is provided with N through holes, and a value range of N is 100-3000. Other components and connection modes are the same as those of the first embodiment.

So set up, can use many U type heat exchange tubes simultaneously in the heat exchanger to increase or reduce the quantity of U type heat exchange tube according to the heat transfer demand, it is worth noting that in use if do not insert the mouth of pipe of U type heat exchange tube in the through-hole in tube sheet 21 and need to hand over and seal, prevent that water in casing A1 from following the through-hole and getting into the casing.

In a ninth specific embodiment, the present embodiment is described with reference to fig. 1, and the present embodiment further defines the horizontal four-flow heat exchanger with a cooling evacuation section in the first specific embodiment, and the value range of M is 25 to 750. Other components and connection modes are the same as those of the first embodiment.

Principle of operation

When the utility model is used, the liquid enters the cavity A14 inside the heat exchanger through the water inlet A11, and flows into the cavity C16 along a plurality of first U-shaped heat exchange tubes 5 arranged in the cavity a14, after the liquid flows into the cavity C16, the liquid flows into the cavity B15 along the U-shaped pipe 7 arranged at the second position, finally flows out from a water outlet A12 on the cavity B15 to realize the heat exchange process, wherein liquid can pass through the cavity 6 of dredging coldness at the in-process that U type heat exchange tube 5 flowed through No. two U type pipes 7, the cavity 6 of dredging coldness is cooled off the hydrophobic that gets into it, be equipped with water inlet B61 and delivery port B62 on the cavity 6 of dredging coldness, water inlet B61 absorbs the water that the inside gas liquefaction of heat exchanger produced, outside the cooling water after dredging coldness discharges the heat exchanger through delivery port B62, ensure to dredge the interior liquid temperature equilibrium stability of cold cavity 6, the effectual refrigerated effect that has played.

Claims

1. The utility model provides a take horizontal four processes heat exchanger of dredging cold section which characterized in that: the heat exchanger comprises a shell A (1), a shell B (2), a first horizontal partition plate (3), a second horizontal partition plate (4), a cooling cavity (6), M first U-shaped heat exchange tubes (5) and M second U-shaped heat exchange tubes (7), wherein M is a positive integer;

one end of the shell A (1) is sealed, the other end of the shell A (1) is provided with a flange plate (13), and the side wall of the shell A (1) is provided with a water inlet A (11) and a water outlet A (12);

one end of the shell B (2) is arranged in a closed mode, the other end of the shell B (2) is provided with a tube plate (21), the cooling cavity (6) is arranged inside the shell B (2), and the cavity of the cooling cavity (6) is fixedly connected with the shell B (2);

a first horizontal partition plate (3) is horizontally arranged in a shell A (1) along an axis, a second horizontal partition plate (4) is arranged below the first partition plate (3), the first partition plate (3) and the second partition plate (4) are fixedly connected with the inner wall of the shell A (1) and divide the shell A (1) into a cavity A (14), a cavity B (15) and a cavity C (16) from bottom to top, M first U-shaped heat exchange tubes (5) and M second U-shaped heat exchange tubes (7) are arranged in the shell B (2), one end of each first U-shaped heat exchange tube (5) sequentially penetrates through a cooling dispersing cavity (6) and a tube plate (21) and is communicated with the cavity A (14), the other end of each first U-shaped heat exchange tube (5) penetrates through the tube plate (21) and is communicated with the cavity C (16), one end of each second U-shaped heat exchange tube (7) sequentially penetrates through the tube plate (21) and is communicated with the cavity C (16), the other end of each second U-shaped heat exchange tube (7) penetrates through the tube plate (21) and is communicated with the cavity B (15), and one end of the shell A (1) provided with the flange plate (13) is fixedly connected with one end of the shell B (2) provided with the tube plate (21).

2. The horizontal four-flow heat exchanger with the cooling dredging section according to claim 1, characterized in that: the water outlet A (12) is arranged on the side wall where the cavity B (15) is located, and the water inlet A (11) is arranged on the side wall where the cavity A (14) is located.

3. The horizontal four-flow heat exchanger with the cool dispersing section according to claim 2, wherein the cool dispersing cavity (6) is provided with a water inlet B (61) and a water outlet B (62), the water inlet B (61) is arranged at the bottom of the shell B (2), and the water outlet B (62) is communicated with the side wall of the shell B (2).

4. The horizontal four-flow heat exchanger with the subcooling section is characterized in that the shell A (1) and the shell B (2) are connected through a fastener.

5. The horizontal four-process heat exchanger with the subcooling section is characterized in that the fasteners are bolt-nut connection structures.

6. The horizontal four-process heat exchanger with the cool dispersing section according to claim 1, wherein the first horizontal partition plate (3) and the second horizontal partition plate (4) are fixedly connected with the side wall of the shell A (1) by welding.

7. The horizontal four-flow heat exchanger with the cool dispersing section according to claim 1, wherein the axis of the water inlet A (11) and the axis of the water outlet A (12) are arranged at 90 degrees.

8. The horizontal four-flow heat exchanger with the cool dispersing section as claimed in claim 1, wherein one end of the tube plate (21) is provided with N through holes, and the value range of N is 100-3000.

9. The horizontal four-flow heat exchanger with the cooling-dispersing section according to claim 1, wherein the value range of M is 25-750.