All-titanium double-pipe heat exchanger

Abstract

The utility model discloses an all-titanium double-pipe heat exchanger which comprises two sets of reversing pipes, a heat exchange pipe is arranged between the two sets of reversing pipes, refrigerant pipes are arranged in the heat exchange pipe, one set of reversing pipes comprises a first water pipe reversing pipe and a second refrigerant reversing pipe, and the other set of reversing pipes comprises a first refrigerant reversing pipe and a second water pipe reversing pipe. The first water pipe reversing pipe comprises a water inlet pipe; eight groups of heat exchange pipes are arranged, and every two groups of heat exchange pipes perform double-channel heat exchange, so that on one hand, the heat exchange time is shortened, on the other hand, refrigerant pipes are arranged in the eight groups of heat exchange pipes, hot water enters a circulating water channel through the heat exchange pipes during use, the contact area between the refrigerant pipes and the hot water is increased to the maximum extent, and the heat exchange efficiency is improved. And efficient heat dissipation is realized.

Description

Technical Field

[0001] The utility model relates to a heat exchanger structure technology, in particular to a full-titanium sleeve heat exchanger. Background Art

[0002] Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid, also known as heat exchanger. Heat exchanger plays an important role in chemical, petroleum, power, food and many other industrial production. In chemical production, heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler, etc., and is widely used.

[0003] When in use, a common heat exchanger passes hot water into a fixed container, and a refrigerant pipe is arranged inside the container to perform heat exchange. However, when this method is used, the specific surface area of ​​the refrigerant in contact with water is small, and when the container is large, the heat exchange effect is also poor. Therefore, an all-titanium sleeve heat exchanger is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a full titanium tube heat exchanger to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A full titanium sleeve heat exchanger comprises two groups of reversing tubes, heat exchange tubes are arranged between the two groups of reversing tubes, refrigerant tubes are arranged inside the heat exchange tubes, one group of reversing tubes comprises a first water tube reversing tube and a second refrigerant reversing tube, the other group of reversing tubes comprises a first refrigerant reversing tube and a second water tube reversing tube, the first water tube reversing tube comprises a water inlet pipe, a return pipe and a water outlet pipe, the number of the heat exchange tubes is eight, the two groups at the bottom are connected to the water inlet pipe, the two groups at the top are connected to the water outlet pipe, and the four groups at the middle are connected to the return pipe.

[0007] Preferably, some of the water inlet pipes are provided with water inlets, and one side of the return pipe is provided with a water outlet.

[0008] Preferably, the first water pipe reversing tube and the second refrigerant reversing tube both include an upper return tube and a lower return tube, wherein one end of four groups of heat exchange tubes are connected to the upper return tube of the second water pipe reversing tube, and one end of the other four groups of heat exchange tubes are connected to the lower return tube of the second water pipe reversing tube.

[0009] Preferably, the first water pipe reversing tube has the same structure as the first refrigerant reversing tube, and a refrigerant inlet and a refrigerant outlet are provided on one side of the first refrigerant reversing tube.

[0010] Preferably, a circulating water channel is formed between the heat exchange tube and the refrigerant tube.

[0011] In the above technical scheme, the utility model provides an all-titanium sleeve heat exchanger, (1) by setting the number of heat exchange tubes into eight groups, each two groups implement double-channel heat exchange, on the one hand, not only the heat exchange time is reduced, on the other hand, the interior of the eight groups of heat exchange tubes are provided with refrigerant tubes. When in use, hot water enters the circulating water channel through the heat exchange tubes, maximizing the contact area between the refrigerant tube and the hot water, thereby achieving efficient heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0013] Figure 1 A schematic diagram of the main structure of an all-titanium shell and tube heat exchanger embodiment of the utility model is provided.

[0014] Figure 2 A side structural schematic diagram of an all-titanium shell and tube heat exchanger embodiment of the utility model is provided.

[0015] Figure 3 A schematic cross-sectional view of a heat exchange tube provided for an embodiment of an all-titanium shell and tube heat exchanger of the utility model.

[0016] Figure 4 A schematic diagram of the water flow direction structure provided for an all-titanium shell and tube heat exchanger embodiment of the utility model.

[0017] Figure 5 A schematic diagram of refrigerant flow provided for an all-titanium tube heat exchanger embodiment of the utility model is provided with a description of the reference numerals:

[0018] 1 first water pipe reversing pipe, 2 second refrigerant reversing pipe, 3 heat exchange pipe, 4 water outlet, 5 water inlet, 6 first refrigerant reversing pipe, 7 refrigerant pipe, 8 refrigerant inlet, 9 refrigerant outlet, 10 lower return pipe, 11 upper return pipe, 12 water inlet pipe, 13 return pipe, 14 water outlet pipe, 15 second water pipe reversing pipe, 16 circulating water channel. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] like Figure 1-5As shown, an all-titanium sleeve heat exchanger provided by an embodiment of the utility model includes two groups of reversing tubes, a heat exchange tube 3 is arranged between the two groups of reversing tubes, a refrigerant tube 7 is arranged inside the heat exchange tube 3, one group of reversing tubes includes a first water pipe reversing tube 1 and a second refrigerant reversing tube 2, the other group of reversing tubes includes a first refrigerant reversing tube 6 and a second water pipe reversing tube 15, the first water pipe reversing tube 1 includes an inlet pipe 12, a return pipe 13 and an outlet pipe 14, the number of heat exchange tubes 3 is eight, the two groups at the bottom are connected to the inlet pipe 12, the two groups at the top are connected to the outlet pipe 14, and the four groups at the middle position are connected to the return pipe 13.

[0021] Preferably, some of the water inlet pipes 12 are provided with water inlets 5 , and one side of the return pipe 13 is provided with a water outlet 4 .

[0022] Preferably, some of the water inlet pipes 12 are provided with water inlets 5, and a water outlet is provided on one side of the return pipe 13. The first water pipe reversing pipe 1 and the second refrigerant reversing pipe 2 both include an upper return pipe 11 and a lower return pipe 10, wherein one end of four groups of heat exchange tubes 3 are connected to the upper return pipe 11 of the second water pipe reversing pipe 15, and one end of the other four groups of heat exchange tubes 3 are connected to the lower return pipe 10 of the second water pipe reversing pipe 15.

[0023] Preferably, some of the water inlet pipes 12 are provided with water inlets 5, a water outlet is provided on one side of the return pipe 13, the first water pipe reversing pipe 1 has the same structure as the first refrigerant reversing pipe 6, and a refrigerant inlet 8 and a refrigerant outlet 9 are provided on one side of the first refrigerant reversing pipe 6.

[0024] Preferably, some of the water inlet pipes 12 are provided with water inlets 5 , one side of the return pipe 13 is provided with a water outlet, and a circulating water channel 16 is formed between the heat exchange pipe 3 and the refrigerant pipe 7 .

[0025] Example 1

[0026] A full titanium sleeve heat exchanger comprises two groups of reversing tubes, a heat exchange tube 3 is arranged between the two groups of reversing tubes, a refrigerant tube 7 is arranged inside the heat exchange tube 3, one group of reversing tubes comprises a first water tube reversing tube 1 and a second refrigerant reversing tube 2, the other group of reversing tubes comprises a first refrigerant reversing tube 6 and a second water tube reversing tube 15, the first water tube reversing tube 1 comprises an inlet pipe 12, a return pipe 13 and an outlet pipe 14, the number of heat exchange tubes 3 is eight, the two groups at the bottom are connected to the inlet pipe 12, the two groups at the top are connected to the outlet pipe 14, and the four groups at the middle position are connected to the return pipe 13.

[0027] Example 2

[0028] This embodiment is further limited on the basis of embodiment 1, some of the water inlet pipes 12 are provided with a water inlet 5, and one side of the return pipe 13 is provided with a water outlet 4; some of the water inlet pipes 12 are provided with a water inlet 5, and one side of the return pipe 13 is provided with a water outlet, the first water pipe reversing pipe 1 and the second refrigerant reversing pipe 2 both include an upper return pipe 11 and a lower return pipe 10, wherein one end of the four groups of heat exchange tubes 3 is connected to the upper return pipe 11 of the second water pipe reversing pipe 15, and the other four groups of heat exchange tubes 3 are connected to the upper return pipe 11 of the second water pipe reversing pipe 15, and the other four groups of heat exchange tubes 3 are connected to the upper return pipe 11 of the second water pipe reversing pipe 15. One end of the tube 3 is connected to the lower return pipe 10 of the second water pipe reversing pipe 15; some of the water inlet pipes 12 are provided with a water inlet 5, and one side of the return pipe 13 is provided with a water outlet. The first water pipe reversing pipe 1 has the same structure as the first refrigerant reversing pipe 6, and one side of the first refrigerant reversing pipe 6 is provided with a refrigerant inlet 8 and a refrigerant outlet 9; some of the water inlet pipes 12 are provided with a water inlet 5, and one side of the return pipe 13 is provided with a water outlet, and a circulating water channel 16 is formed between the heat exchange tube 3 and the refrigerant tube 7.

[0029] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A full titanium tube heat exchanger, characterized in that: It comprises two groups of reversing tubes, a heat exchange tube (3) is arranged between the two groups of reversing tubes, a refrigerant tube (7) is arranged inside the heat exchange tube (3), one group of reversing tubes comprises a first water tube reversing tube (1) and a second refrigerant reversing tube (2), the other group of reversing tubes comprises a first refrigerant reversing tube (6) and a second water tube reversing tube (15), the first water tube reversing tube (1) comprises an inlet pipe (12), a return pipe (13) and an outlet pipe (14), the number of the heat exchange tubes (3) is eight, the two groups at the bottom are connected to the inlet pipe (12), the two groups at the top are connected to the outlet pipe (14), and the four groups at the middle are connected to the return pipe (13).

2. The all-titanium tube heat exchanger according to claim 1, characterized in that: Some of the water inlet pipes (12) are provided with water inlets (5), and one side of the return pipe (13) is provided with a water outlet (4).

3. The all-titanium tube heat exchanger according to claim 2, characterized in that: The first water pipe reversing tube (1) and the second refrigerant reversing tube (2) both include an upper return tube (11) and a lower return tube (10), wherein one end of four groups of heat exchange tubes (3) are connected to the upper return tube (11) of the second water pipe reversing tube (15), and one end of the other four groups of heat exchange tubes (3) are connected to the lower return tube (10) of the second water pipe reversing tube (15).

4. The all-titanium tube heat exchanger according to claim 3, characterized in that: The first water pipe reversing tube (1) has the same structure as the first refrigerant reversing tube (6), and a refrigerant inlet (8) and a refrigerant outlet (9) are provided on one side of the first refrigerant reversing tube (6).

5. The all-titanium tube heat exchanger according to claim 4, characterized in that: A circulating water channel is formed between the heat exchange tube (3) and the refrigerant tube (7).

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