Shell-and-tube heat exchanger capable of stably introducing fluid

Abstract

The utility model relates to the technical field of shell-and-tube heat exchangers, in particular to a shell-and-tube heat exchanger capable of stably introducing fluid. Comprising a heat exchanger body, a shell pass fluid inlet, a shell pass fluid outlet, a tube pass fluid inlet, a tube pass fluid outlet, a fixing base, a first shell pass flange, a second shell pass flange, a first tube pass flange, a second tube pass flange, a shell pass fluid inlet assembly and a fixing assembly. The shell pass fluid inlet and the shell pass fluid outlet are fixedly formed in the side wall of the heat exchanger body, the tube pass fluid inlet and the tube pass fluid outlet are fixedly formed in the two sides of the heat exchanger body, and the shell pass fluid inlet assembly is fixedly connected with the shell pass fluid inlet through the fixing assembly. The first special-shaped piece and the second special-shaped piece are arranged on the inner wall of the liquid inlet pipe, the speed of shell pass fluid is controlled, the filter screen arranged on one side of the liquid inlet pipe filters out most impurities which can damage the heat exchanger, and the shell pass fluid inlet assembly can be detached and cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shell and tube heat exchanger, concretely to the shell and tube heat exchanger of stable fluid introduction. BACKGROUND

[0002] The tube type (also called shell and tube type, tube bank type) heat exchanger is the most typical partition type heat exchanger, and it has a long history in industrial application, and still occupies the dominant position in all heat exchangers, and the tube type heat exchanger is mainly composed of a shell, a tube bundle, a tube plate and a head, the shell is mostly circular, internally equipped with parallel tube bundles, the tube bundle is fixed on the tube plate at both ends, and the cold and hot fluids for heat exchange flow in the tube and outside the tube respectively, one is called the tube pass fluid, and the other is called the shell pass fluid.

[0003] The above scheme and prior art inject the fluid outside the tube with the shell pass fluid, the shell pass fluid may contain impurities, which can damage the tube bundle in the heat exchanger, and long-term use can affect the heat exchange efficiency of the heat exchanger, and reduce the service life of the heat exchanger.

[0004] Therefore, the utility model provides the shell and tube heat exchanger of stable fluid introduction for solving above -mentioned problem. UTILITY MODEL CONTENTS

[0005] The utility model discloses a shell and tube heat exchanger of stable fluid introduction to solve the problem in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: the shell and tube heat exchanger of stable fluid introduction, including heat exchanger body, shell pass fluid import, shell pass fluid export, tube pass fluid import, tube pass fluid export, fixed base, first shell pass flange, second shell pass flange, first tube pass flange, second tube pass flange, shell pass fluid import component and fixed assembly,

[0007] The heat exchanger body is fixedly arranged on the side wall of the heat exchanger body, and the tube pass fluid import and the tube pass fluid export are fixedly arranged on the two sides of the heat exchanger body.

[0008] The fixed base is fixedly arranged on the side wall of the heat exchanger body, the first shell pass flange and the first tube pass flange are fixedly connected, the second shell pass flange and the second tube pass flange are fixedly connected, and the shell pass fluid import component is fixedly connected with the shell pass fluid import through the fixed assembly.

[0009] Preferably, the shell pass fluid import and the shell pass fluid export are fixedly arranged on the side wall of the heat exchanger body, and the shell pass fluid import and the shell pass fluid export are symmetrically arranged relative to the fixed base.

[0010] Preferably, the shell side fluid inlet assembly comprises a liquid inlet pipe, a first profiled sheet, a second profiled sheet and a filter screen; the first profiled sheet and the second profiled sheet are fixedly arranged on the inner wall of the liquid inlet pipe from top to bottom; and the filter screen is fixedly arranged on one side of the liquid inlet pipe.

[0011] Preferably, the first profiled sheet and the second profiled sheet are arranged to be inclined to each other; and the filter screen is fixedly arranged on one side of the liquid inlet pipe, and one side of the filter screen is connected with the shell side fluid inlet.

[0012] Preferably, the fixing assembly comprises a connecting screw, an anti-skid rubber pad, auxiliary convex particles, connecting holes and a hexagonal nut; the anti-skid rubber pad is sleeved on the connecting screw; the auxiliary convex particles are arranged on both sides of the anti-skid rubber pad; the connecting holes are fixedly arranged on the shell side fluid inlet and the flange of the liquid inlet pipe, and the connecting holes are arranged in a ring shape at equal intervals.

[0013] Preferably, the connecting screw is threadedly connected with the hexagonal nut through the anti-skid rubber pad and the connecting holes; the anti-skid rubber pad is sleeved on the connecting screw, and the anti-skid rubber pad is arranged between the connecting screw and the liquid inlet pipe.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] For the tube and shell heat exchanger capable of stably guiding fluid, the first profiled sheet and the second profiled sheet arranged on the inner wall of the liquid inlet pipe control the speed of the shell side fluid, and filter out part of impurities; the filter screen arranged on one side of the liquid inlet pipe filters out most of the impurities which can damage the heat exchanger, and the shell side fluid inlet assembly and the shell side fluid inlet are detachable, so that the impurities filtered out by the filter screen can be cleaned after a period of filtration by being detached; the auxiliary convex particles arranged on both sides of the anti-skid rubber pad can prevent the connecting screw and the hexagonal nut from falling off. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the utility model;

[0017] Fig. 2 It is a half sectional view of the shell side fluid inlet assembly of the utility model;

[0018] Fig. 3 It is a fixing assembly structure schematic view of the utility model;

[0019] Fig. 4 It is a stable rubber pad and liquid inlet pipe connecting structure schematic view of the utility model.

[0020] In the figure: heat exchanger body 1, shell side fluid inlet 2, shell side fluid outlet 3, tube side fluid inlet 4, tube side fluid outlet 5, fixed base 6, first shell side flange 7, second shell side flange 8, first tube side flange 9, second tube side flange 10, liquid inlet pipe 1101, first special-shaped sheet 1102, second special-shaped sheet 1103, filter screen 1104, connecting screw 1201, anti-skid rubber pad 1202, auxiliary convex particle 1203, connecting hole 1204, hexagonal nut 1205. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below. All other embodiments obtained by those skilled in the art without creative labor under the premise that the embodiments in the present application belong to the scope of protection of the present application.

[0022] Please refer to Figs. 1 to 4 The present application provides a technical solution: a tube-shell heat exchanger for smoothly introducing fluid, comprising a heat exchanger body 1, a shell side fluid inlet 2, a shell side fluid outlet 3, a tube side fluid inlet 4, a tube side fluid outlet 5, a fixed base 6, a first shell side flange 7, a second shell side flange 8, a first tube side flange 9, a second tube side flange 10, a shell side fluid inlet assembly and a fixing assembly; the heat exchanger body 1, the shell side fluid inlet 2 and the shell side fluid outlet 3 are fixedly arranged on the side wall of the heat exchanger body 1, and the tube side fluid inlet 4 and the tube side fluid outlet 5 are fixedly arranged on both sides of the heat exchanger body 1; the fixed base 6 is fixedly arranged on the side wall of the heat exchanger body 1, the first shell side flange 7 is fixedly connected with the first tube side flange 9, the second shell side flange 8 is fixedly connected with the second tube side flange 10, and the shell side fluid inlet assembly is fixedly connected with the shell side fluid inlet 2 through the fixing assembly; the shell side fluid inlet 2 and the shell side fluid outlet 3 are fixedly arranged on the side wall of the heat exchanger body 1, and the shell side fluid inlet 2 and the shell side fluid outlet 3 are symmetrically arranged relative to the fixed base 6.

[0023] The shell side fluid inlet assembly comprises a liquid inlet pipe 1101, a first special-shaped sheet 1102, a second special-shaped sheet 1103 and a filter screen 1104; the first special-shaped sheet 1102 and the second special-shaped sheet 1103 are fixedly arranged on the inner wall of the liquid inlet pipe 1101 from top to bottom, and the filter screen 1104 is fixedly arranged on one side of the liquid inlet pipe 1101; the first special-shaped sheet 1102 and the second special-shaped sheet 1103 are placed at an inclination relative to each other, the filter screen 1104 is fixedly arranged on one side of the liquid inlet pipe 1101, and one side of the filter screen 1104 is connected with the shell side fluid inlet 2.

[0024] The fixed assembly comprises a connecting screw 1201, an anti-skid rubber pad 1202, an auxiliary convex particle 1203, a connecting hole 1204 and a hexagonal nut 1205; the anti-skid rubber pad 1202 is sleeved on the connecting screw 1201, the auxiliary convex particle 1203 is arranged on both sides of the anti-skid rubber pad 1202, the connecting hole 1204 is fixedly arranged at the flange of the shell side fluid inlet 2 and the liquid inlet pipe 1101, and the connecting holes 1204 are arranged in a ring shape at equal intervals; the connecting screw 1201 is threadedly connected with the hexagonal nut 1205 through the anti-skid rubber pad 1202 and the connecting hole 1204, the anti-skid rubber pad 1202 is sleeved on the connecting screw 1201, and the anti-skid rubber pad 1202 is arranged between the connecting screw 1201 and the liquid inlet pipe 1101.

[0025] Firstly, the heat exchanger body 1 is fixedly arranged on the fixed base 6, the first shell side flange 7 and the first tube side flange 9 are fixedly connected, the second shell side flange 8 and the second tube side flange 10 are fixedly connected, the shell side fluid inlet 2 and the shell side fluid outlet 3 are fixedly arranged on the outer wall of the heat exchanger body 1, and the shell side fluid inlet assembly is connected with the shell side fluid inlet 2 through the fixed assembly, wherein the inner wall of the shell side fluid inlet assembly is provided with the first special-shaped sheet 1102 and the second special-shaped sheet 1103, the speed of fluid can be controlled and part of impurities can be filtered, the filter screen 1104 is fixedly arranged on one side of the liquid inlet pipe 1101, and the side is connected together with the shell side fluid inlet 2, the filter screen 1104 can filter most of the impurities, the fixed assembly fixes the shell side fluid inlet assembly and the shell side fluid inlet 2, and the two are fixed through the thread connection of the connecting screw 1201 and the hexagonal nut 1205, the auxiliary convex particles 1203 are arranged on both sides of the anti-skid rubber pad 1202 sleeved on the connecting screw 1201, and the stability of connection can be improved.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A shell-and-tube heat exchanger for smooth introduction of a fluid, characterized in that: The heat exchanger body (1), the shell side fluid inlet (2) and the shell side fluid outlet (3) are fixedly arranged on the side wall of the heat exchanger body (1), and the tube side fluid inlet (4) and the tube side fluid outlet (5) are fixedly arranged on both sides of the heat exchanger body (1); The heat exchanger body (1), the shell side fluid inlet (2) and the shell side fluid outlet (3) are fixedly arranged on the side wall of the heat exchanger body (1), and the tube side fluid inlet (4) and the tube side fluid outlet (5) are fixedly arranged on both sides of the heat exchanger body (1); The fixed base (6) is fixedly arranged on the side wall of the heat exchanger body (1), the first shell side flange (7) and the first tube side flange (9) are fixedly connected, the second shell side flange (8) and the second tube side flange (10) are fixedly connected, and the shell side fluid inlet assembly is fixedly connected with the shell side fluid inlet (2) through the fixed assembly; The shell side fluid inlet assembly comprises a liquid inlet pipe (1101), a first special-shaped sheet (1102), a second special-shaped sheet (1103) and a filter screen (1104); the first special-shaped sheet (1102) and the second special-shaped sheet (1103) are fixedly arranged on the inner wall of the liquid inlet pipe (1101) from top to bottom; and the filter screen (1104) is fixedly arranged on one side of the liquid inlet pipe (1101). The first special-shaped sheet (1102) and the second special-shaped sheet (1103) are placed at an inclination to each other; the filter screen (1104) is fixedly arranged on one side of the liquid inlet pipe (1101), and one side of the filter screen (1104) is connected with the shell side fluid inlet (2).

2. The tube-in-shell heat exchanger of claim 1, wherein: The shell side fluid inlet (2) and the shell side fluid outlet (3) are fixedly arranged on the side wall of the heat exchanger body (1), and the shell side fluid inlet (2) and the shell side fluid outlet (3) are symmetrically arranged relative to the fixed base (6).

3. The tube-in-shell heat exchanger of claim 1, wherein: The fixed assembly comprises a connecting screw (1201), an anti-skid rubber pad (1202), an auxiliary convex particle (1203), a connecting hole (1204) and a hexagonal nut (1205); the anti-skid rubber pad (1202) is sleeved on the connecting screw (1201); the auxiliary convex particle (1203) is arranged on both sides of the anti-skid rubber pad (1202); the connecting hole (1204) is fixedly arranged on the flanges of the shell side fluid inlet (2) and the liquid inlet pipe (1101), and the connecting holes (1204) are equidistantly arranged in a ring shape.

4. The tube-in-shell heat exchanger of claim 3, wherein: The connecting screw (1201) is threadedly connected with the hexagonal nut (1205) through the anti-skid rubber pad (1202) and the connecting hole (1204); the anti-skid rubber pad (1202) is sleeved on the connecting screw (1201), and the anti-skid rubber pad (1202) is arranged between the connecting screw (1201) and the liquid inlet pipe (1101).

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