Efficient heat exchanger

Abstract

The utility model discloses an efficient heat exchanger, and relates to the technical field of heat exchange equipment. The heat exchange tubes are mounted in the shell; the tube plate is mounted on the heat exchange tube; the number of the distribution plates is multiple, multiple through holes are formed in the distribution plates at intervals, the distribution plates are installed on the tube plate, and the through holes in the distribution plates correspond to the heat exchange tubes; and the end plate is arranged on the outer side of the distribution plate, a plurality of liquid inlet holes and a plurality of air outlet holes are formed in the end plate, the liquid inlet holes are matched with the inlet ends of the heat exchange pipes, and the air outlet holes are matched with the outlet ends of the heat exchange pipes. The distributor solves the technical problems that an existing distributor is complex in structure and not convenient to install.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange equipment technical field especially relates to a kind of high-efficiency heat exchanger. BACKGROUND

[0002] Evaporation is the physical process of liquid into gas, and the evaporator is the object of liquid into gas. There are a large number of evaporators in industry, among which the evaporator used in the refrigeration system is one of them. The evaporator is a very important component in the four major components of refrigeration. The low-temperature condensed liquid passes through the evaporator and exchanges heat with the air outside, vaporizes and absorbs heat to achieve the effect of refrigeration. The evaporator is mainly composed of a heating chamber and an evaporation chamber. The heating chamber provides the heat required for evaporation to the liquid to promote vaporization. The evaporation chamber completely separates the gas-liquid two-phase.

[0003] During the operation of the evaporator, the liquid needs to be uniformly distributed by the distributor so that the corresponding fluid can enter the pipeline stably. However, the existing distributor structure is complex and not easy to install. INVENTION CONTENTS

[0004] The utility model aims to provide a kind of high-efficiency heat exchanger, solve the technical problem that the distributor structure of prior art is complex and not easy to install.

[0005] The present application discloses a kind of high-efficiency heat exchanger, comprising:

[0006] A shell;

[0007] A plurality of heat exchange tubes are installed inside the shell;

[0008] A tube sheet is installed on the heat exchange tube;

[0009] A distribution plate is provided, and the distribution plate is spaced apart and provided with a plurality of through holes, the distribution plate is installed on the tube sheet, and the through holes on the distribution plate correspond to the heat exchange tubes;

[0010] An end plate is provided outside the distribution plate, and a plurality of liquid inlet holes and a plurality of gas outlet holes are provided on the end plate. The liquid inlet holes cooperate with the inlet ends of the heat exchange tubes, and the gas outlet holes cooperate with the outlet ends of the heat exchange tubes.

[0011] The present application installs a distribution plate on the tube sheet, and uses the through holes of the distribution plate to realize the function of distribution. At the same time, the distribution plate structure is simple and easy to assemble.

[0012] Based on the above technical solution, the present application embodiment can also be improved as follows:

[0013] Further, the diameter of the through hole is not greater than the diameter of the heat exchange pipe, and the beneficial effect of the step is to facilitate the control of the distribution effect.

[0014] Further, the distribution plate corresponds to the inlet end of the heat exchange pipe, and the beneficial effect of the step is to realize the distribution function by placing the distribution plate at the inlet end.

[0015] Further, the end plate is provided with a groove matched with the distribution plate, and the inner wall of the groove is a slope, and the beneficial effect of the step is that the inclined groove can further prevent liquid leakage.

[0016] Further, the number of liquid inlet holes is twice the number of gas outlet holes, and the beneficial effect of the step is to further ensure uniformity.

[0017] The one or more technical solutions provided in the embodiments of the application have at least the following technical effects or advantages:

[0018] 1. The application installs a distribution plate on the tube plate to realize the function of distribution, thereby simplifying the overall structure.

[0019] 2. The end plate is further designed to ensure the uniformity of distribution and to prevent liquid leakage. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical scheme in the specific embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 The structure of the high-efficiency heat exchanger according to the specific embodiments of the present application is shown in the structure diagram.

[0022] Figure 2 The structure of the distribution plate in the specific embodiments of the present application is shown in the structure diagram. Figure 1

[0023] The structure of the end plate in the specific embodiments of the present application is shown in the structure diagram. Figure 3 Figure 1 The sectional view of the end plate in the specific embodiments of the present application is shown in the sectional view.

[0024] Figure 4 Figure 3 The sectional view of the end plate in the specific embodiments of the present application is shown in the sectional view.

[0025] Reference signs:

[0026] Housing; 2-Heat exchange pipe; 3-Tube plate; 4-Distribution plate; 5-End plate; 401-Through hole;​​

[0027] 501 - Liquid inlet; 502 - Air outlet; 503 - Groove. Detailed Implementation

[0028] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0029] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0030] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," and "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] To better understand the above technical solutions, the following will provide a detailed description of the technical solutions in conjunction with the accompanying drawings and specific embodiments.

[0032] Example:

[0033] like Figures 1-4 As shown, this application discloses a high-efficiency heat exchanger, which is mainly designed for the distributor in the heat exchanger. Specifically, the structure of the distributor is simplified, which can realize the function of the distributor while simplifying the structure and facilitating assembly.

[0034] like Figure 1 As shown, the specific structure of this application includes:

[0035] Housing 1, which is an existing housing, can be of various shapes and can be designed according to the customer's choice;

[0036] Multiple heat exchange tubes 2 are installed inside the housing 1, and the heat exchange tubes 2 are U-shaped;

[0037] Tube sheet 3 is installed on the heat exchange tube 2. The tube sheet 3 is to ensure the stability of the heat exchange tube 2. Since there are multiple heat exchange tubes and they are relatively long, multiple tube sheets 3 can be designed and set at intervals to ensure the stability of the heat exchange tube 2.

[0038] This application mainly focuses on the design of the distribution board and subsequent end boards, as detailed below:

[0039] A distribution plate 4 is provided, which is multiple, and multiple through holes 401 are provided on the distribution plate 4 in a spaced manner, the distribution plate 4 is installed on the tube plate, and the through holes on the distribution plate 4 correspond to the heat exchange pipes 2, and the distribution plate 4 mainly plays a distribution function, that is, through the through holes 401 and the heat exchange pipes, the distribution function is realized;

[0040] An end plate 5 is provided outside the distribution plate 4, and multiple liquid inlet holes 501 and multiple gas outlet holes 502 are provided on the end plate 5, the liquid inlet holes 501 are matched with the inlet ends of the heat exchange pipes 2, and the gas outlet holes 502 are matched with the outlet ends of the heat exchange pipes 2, and the application is mainly used for absorbing heat to realize the change of liquid into gas, so that the end plate can also play a role in preventing leakage.

[0041] The application replaces the existing distributor with the distribution plate 4 with holes, which can realize the distribution effect, at the same time, the diameter of the through hole 401 is not greater than the pipe diameter of the heat exchange pipe 2, which can be selected according to the actual selection, and different through hole diameters can be selected, and specifically, the distribution plate 4 corresponds to the outlet end of the heat exchange pipe 2, that is, only the corresponding distribution plate is installed at the inlet end of the heat exchange pipe 2.

[0042] As shown in Figure 3 、 4 Another design point of the application is the design of the end plate 5, specifically, a groove 503 is provided on one side of the end plate 5 facing the distribution plate 4, and the groove 503 is matched with the distribution plate 4, that is, the distribution plate 4 is arranged in the groove 503 during assembly, in order to further improve the sealing effect and avoid leakage, the inner wall of the groove 503 in the application is a slope, and the slope is a groove with a large left diameter and a small right diameter, which can improve the sealing property.

[0043] In order to improve the uniformity of the liquid inlet of the application, the number of the liquid inlet holes 501 is twice the number of the gas outlet holes 502, specifically, there are two liquid inlet holes 501 in one groove 503, and the two liquid inlet holes 501 are matched with one gas outlet hole 502.

[0044] Further description is made to the application:

[0045] The application is designed for the distributor part in the heat exchanger, and the distribution plate with holes is used, which can simplify the structure, and the end plate is also designed to ensure the sealing property.

[0046] In the description of the present application, a large number of specific details are explained. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the present application.

[0047] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the skilled person in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0048] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application.

Claims

1. A high efficiency heat exchanger, characterized by, The application relates to a heat exchanger, which comprises the following parts: a shell (1); a plurality of heat exchange pipes (2) installed in the shell (1); a pipe plate (3) installed on the heat exchange pipes (2); a plurality of distribution plates (4), each of which is provided with a plurality of through holes (401) at intervals, and is installed on the pipe plate (3) and corresponds to the heat exchange pipes (2); an end plate (5) arranged outside the distribution plate (4) and provided with a plurality of liquid inlet holes (501) and a plurality of gas outlet holes (502), wherein the liquid inlet holes (501) are matched with the inlet ends of the heat exchange pipes (2), and the gas outlet holes (502) are matched with the outlet ends of the heat exchange pipes (2).

2. The high efficiency heat exchanger of claim 1, wherein, The diameter of the through holes (401) is not greater than the diameter of the heat exchange pipes (2).

3. The high efficiency heat exchanger of claim 2, wherein, The distribution plate (4) corresponds to the inlet ends of the heat exchange pipes (2).

4. The high efficiency heat exchanger of claim 3, wherein, The end plate (5) is provided with a groove (503) matched with the distribution plate (4), and the inner wall of the groove (503) is a slope.

5. The high efficiency heat exchanger of claim 4, wherein, The number of the liquid inlet holes (501) is twice the number of the gas outlet holes (502).

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