Shell-and-tube heat exchanger with heat preservation structure

By introducing insulation structures and lifting components into shell-and-tube heat exchangers, and using heating wires and insulation layers to wrap and protect the heat exchangers, the problems of heat loss and thermal stress are solved, thereby improving energy efficiency and equipment lifespan.

CN223691580UActive Publication Date: 2025-12-19DALIAN NORTH YIDA TECH DEV CO LTD
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Patent Information

Application Number
CN202423236398.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-19
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing shell-and-tube heat exchangers lose a significant amount of heat during operation, resulting in high energy consumption, low energy efficiency, and thermal stress caused by temperature changes that damages the equipment and affects its service life.

Method used

The design incorporates a shell-and-tube heat exchanger with an insulation structure. By wrapping the heat exchanger with insulation and lifting components, and utilizing heating wires and insulation layers, the heat exchanger is kept at a constant temperature, reducing the impact of external ambient temperature and avoiding energy loss.

Benefits of technology

It effectively reduces heat loss, improves energy efficiency, extends equipment lifespan, and enhances the practical value of heat exchangers.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223691580U_ABST
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Abstract

The utility model relates to the technical field of shell-and-tube heat exchangers, in particular to a shell-and-tube heat exchanger with a heat preservation structure, which comprises a base, a heat exchanger main body, a lower supporting plate, an upper cover plate, a heat preservation component, a screw rod and a lifting component, a heat exchanger body is arranged above the base, a lower supporting plate is arranged on the upper surface of the base and arranged below the heat exchanger body, an upper cover plate is arranged above the heat exchanger body, the lower supporting plate and the upper cover plate are combined and wrap the outer side of the heat exchanger body, and a heat preservation assembly is arranged on one side of the lower supporting plate and one side of the upper cover plate. A screw rod is arranged above the upper cover plate, and a lifting assembly is arranged on one side of the screw rod; the heat exchanger is flexibly wrapped and protected in a wrapping heat preservation mode, the influence of the external environment temperature on the heat exchanger is reduced, energy loss of the heat exchanger is avoided, the service life of the heat exchanger is prolonged, meanwhile, the heat preservation structure is flexibly opened and closed, the heat exchanger can be conveniently and rapidly overhauled, and therefore the practical value of the heat exchanger is effectively enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shell and tube heat exchanger, especially shell and tube heat exchanger with heat preservation structure. BACKGROUND

[0002] In the modern industrial production scene, energy exchange operation needs to be carried out with the help of heat exchanger, in the petroleum chemical industry, shell and tube heat exchanger is widely used in heat exchange between different temperature fluids, and shell and tube heat exchanger can also heat or cool reaction materials to meet the reaction conditions.

[0003] Now the shell and tube heat exchanger in the use process heat will be lost to the surrounding environment in large quantities, resulting in large energy consumption, low energy utilization rate, causing the heat exchanger to use cost is higher, and the thermal stress produced by temperature change can damage the equipment, affect the service life of the heat exchanger.

[0004] Therefore, in view of the fact that the heat of the existing shell and tube heat exchanger is lost in large quantities, the energy utilization rate is low, a shell and tube heat exchanger with heat preservation structure can be designed, which is wrapped and protected inside by wrapping heat preservation, reduces the influence of external environment temperature on the heat exchanger, avoids energy loss of the heat exchanger, prolongs the service life of the heat exchanger, and effectively enhances the practical value of the heat exchanger. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that most shell and tube heat exchangers lose a lot of heat to the surrounding environment in the use process, resulting in large energy consumption, and the thermal stress produced by temperature change can damage the equipment and affect the service life of the heat exchanger.

[0006] The technical scheme of the utility model is: the shell and tube heat exchanger with heat preservation structure comprises a base, a heat exchanger body, a lower supporting plate, an upper cover plate, a heat preservation assembly, a screw rod and a lifting assembly; the upper part of the base is provided with the heat exchanger body, the upper surface of the base is provided with the lower supporting plate, the lower supporting plate is arranged below the heat exchanger body, the upper part of the heat exchanger body is provided with the upper cover plate, the lower supporting plate and the upper cover plate are combined and wrapped on the outer side of the heat exchanger body, the heat preservation assembly is arranged on one side of the lower supporting plate and the upper cover plate, the screw rod is arranged above the upper cover plate, and the lifting assembly is arranged on one side of the screw rod.

[0007] Preferably, the position of the lower supporting plate is fixed by the base, the position of the heat exchanger body is fixed by the lower supporting plate, the screw rod is driven to rotate by the lifting assembly, the height of the upper cover plate is adjusted by rotating the screw rod, the upper cover plate and the lower supporting plate are combined, the heat exchanger body is wrapped inside by the upper cover plate and the lower supporting plate, the heat exchanger body is protected at constant temperature by the heat preservation assembly, thereby realizing the effect of reducing the influence of external environment temperature on the heat exchanger, avoiding energy loss of the heat exchanger, prolonging the service life of the heat exchanger and enhancing the practical value of the heat exchanger.

[0008] Preferably, the heat preservation assembly comprises the electric heating wire and the heat preservation layer; the inner side of the lower supporting plate is provided with the electric heating wire, the inner side of the upper cover plate is provided with the electric heating wire, the bottom surface of the lower supporting plate is provided with the heat preservation layer, and the upper surface of the upper cover plate is provided with the heat preservation layer.

[0009] Preferably, the heat preservation assembly further comprises the clamping groove and the clamping strip; one side of the lower supporting plate is provided with the clamping groove, and the bottom surface of the upper cover plate is provided with the clamping strip.

[0010] Preferably, the electric heating wire is provided with a plurality of groups, the clamping groove is symmetrically provided with two groups, the clamping strip is symmetrically provided with two groups, and the clamping strip and the clamping groove are mutually embedded.

[0011] Preferably, the lifting assembly comprises the supporting frame and the rotating motor; the upper surface of the base is provided with the supporting frame, the screw rod is arranged on the bottom surface of the supporting frame, and the upper surface of the supporting frame is provided with the rotating motor.

[0012] Preferably, the lifting assembly further comprises the cylindrical sleeve, the connecting block and the sliding telescopic rod; the outer side of the screw rod is provided with the cylindrical sleeve, one end of the cylindrical sleeve is provided with the connecting block, the connecting block is arranged on the upper surface of the upper cover plate, the bottom surface of the supporting frame is provided with the sliding telescopic rod, and the other end of the sliding telescopic rod is fixedly connected with the upper surface of the upper cover plate.

[0013] Preferably, the screw rod and the supporting frame are rotationally connected, the output end of the rotating motor is connected with the screw rod, the cylindrical sleeve is threadedly connected with the screw rod, the cylindrical sleeve is rotationally connected with the connecting block, the sliding telescopic rod is symmetrically provided with two groups, and the sliding telescopic rod is arranged on the two sides of the screw rod.

[0014] The heat exchanger body is fixed in position by the base, the lower supporting plate and the upper cover plate, and the heat exchanger body is wrapped in the lower supporting plate and the upper cover plate, so that the heat exchanger body is protected by the lower supporting plate and the upper cover plate, and the temperature of the heat exchanger body is kept constant.

[0015] 1. When the heat exchanger body is used, the position of the lower supporting plate is fixed by the base, the position of the heat exchanger body is fixed by the lower supporting plate, the height of the upper cover plate is adjusted by rotating the screw rod, the upper cover plate and the lower supporting plate are combined, the heat exchanger body is wrapped in the upper cover plate and the lower supporting plate, the temperature of the upper cover plate and the lower supporting plate is raised, and the heat exchanger body is protected by constant temperature, so that the problem that most of the heat of the shell-and-tube heat exchanger is lost to the surrounding environment during use, resulting in large energy consumption, low energy utilization rate, high use cost of the heat exchanger and damage to the equipment caused by thermal stress generated by temperature change is solved, and the practical value of the heat exchanger is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The three-dimensional structure schematic diagram of the shell-and-tube heat exchanger with the heat preservation structure is shown.

[0017] Figure 2 The three-dimensional structure schematic diagram of the heat preservation assembly of the shell-and-tube heat exchanger with the heat preservation structure is shown.

[0018] Figure 3 The first three-dimensional structure schematic view of the lifting assembly of the shell-and-tube heat exchanger with the heat preservation structure is shown.

[0019] Figure 4 The second three-dimensional structure schematic view of the lifting assembly of the shell-and-tube heat exchanger with the heat preservation structure is shown.

[0020] The reference signs are explained as follows: 1, base; 2, heat exchanger main body; 3, lower supporting plate; 4, upper cover plate; 501, electric heating wire; 502, heat preservation layer; 503, clamping groove; 504, clamping strip; 6, screw rod; 601, supporting frame; 602, rotating motor; 603, cylindrical pipe sleeve; 604, connecting block; 605, sliding telescopic rod. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4 The utility model provides a kind of example: the shell-and-tube heat exchanger with heat preservation structure, including base 1, heat exchanger main body 2, lower supporting plate 3, upper cover plate 4, heat preservation component, screw rod 6 and lifting assembly;The upper portion of base 1 is provided with heat exchanger main body 2, the upper surface of base 1 is provided with lower supporting plate 3, lower supporting plate 3 is set in the lower portion of heat exchanger main body 2, the upper portion of heat exchanger main body 2 is provided with upper cover plate 4, lower supporting plate 3 and upper cover plate 4 are combined and wrapped in the outside of heat exchanger main body 2, one side of lower supporting plate 3 and upper cover plate 4 is provided with heat preservation component, the upper portion of upper cover plate 4 is provided with screw rod 6, one side of screw rod 6 is provided with lifting assembly.

[0023] Please refer to Figures 2-4 In the embodiment, heat preservation component includes electric heating wire 501 and heat preservation layer 502;The inner side of lower supporting plate 3 is provided with electric heating wire 501, the inner side of upper cover plate 4 is provided with electric heating wire 501, electric heating wire 501 is provided with multiple groups, the bottom surface of lower supporting plate 3 is provided with heat preservation layer 502, the upper surface of upper cover plate 4 is provided with heat preservation layer 502, the temperature of lower supporting plate 3 and upper cover plate 4 is raised by electric heating wire 501, and lower supporting plate 3 and upper cover plate 4 are heat-insulated and protected using heat preservation layer 502;Heat preservation component also includes clamping groove 503 and clamping strip 504;One side of lower supporting plate 3 is provided with clamping groove 503, clamping groove 503 is symmetrically provided with two groups, the bottom surface of upper cover plate 4 is provided with clamping strip 504, clamping strip 504 is symmetrically provided with two groups, clamping strip 504 and clamping groove 503 are mutually embedded, lower cover plate 4 is moved down, so that clamping strip 504 is embedded in clamping groove 503, and the sealing effect of lower supporting plate 3 and upper cover plate 4 is guaranteed;

[0024] The lifting assembly comprises a support frame 601, a rotating motor 602, a cylindrical sleeve 603, a connecting block 604 and a sliding telescopic rod 605; the upper surface of the base 1 is provided with the support frame 601, the screw rod 6 is arranged on the bottom surface of the support frame 601, the screw rod 6 is rotatably connected with the support frame 601, the upper surface of the support frame 601 is provided with the rotating motor 602, the output end of the rotating motor 602 is connected with the screw rod 6, the outer side of the screw rod 6 is provided with the cylindrical sleeve 603, the cylindrical sleeve 603 is threadedly connected with the screw rod 6, one end of the cylindrical sleeve 603 is provided with the connecting block 604, the connecting block 604 is arranged on the upper surface of the upper cover plate 4, the cylindrical sleeve 603 is rotatably connected with the connecting block 604, the bottom surface of the support frame 601 is provided with the sliding telescopic rod 605, the other end of the sliding telescopic rod 605 is fixedly connected with the upper surface of the upper cover plate 4, the sliding telescopic rod 605 is symmetrically provided with two groups, the sliding telescopic rod 605 is arranged on the two sides of the screw rod 6, the position of the screw rod 6 is supported and fixed by the support frame 601, the screw rod 6 is driven to rotate by the rotating motor 602, the cylindrical sleeve 603 is driven to rotate by the rotating screw rod 6, the cylindrical sleeve 603 is driven to rotate around the connecting block 604, so that the cylindrical sleeve 603 moves up and down along the screw rod 6, the height of the upper cover plate 4 is adjusted by moving the cylindrical sleeve 603, so that the sliding telescopic rod 605 is synchronously telescoped, the upper cover plate 4 is stably lifted by the sliding telescopic rod 605, and the effect that the upper cover plate 4 and the lower supporting plate 3 are flexibly opened and closed is realized.

[0025] When the heat exchanger body 2 is used, the lower half of the heat exchanger body 2 is wrapped and held by the lower supporting plate 3 on the base 1, the screw rod 6 is driven to rotate by the rotating motor 602 on the support frame 601, the cylindrical sleeve 603 is driven to rotate around the connecting block 604 by the rotating screw rod 6, the height of the upper cover plate 4 is adjusted by rotating the cylindrical sleeve 603, and at the same time, the sliding telescopic rod 605 is synchronously telescoped.

[0026] The upper cover plate 4 is lowered, the clamping strip 504 is embedded into the clamping groove 503, the upper cover plate 4 and the lower supporting plate 3 are combined, the temperature of the upper cover plate 4 and the lower supporting plate 3 is raised by the electric heating wire 501, and the heat exchanger body 2 is wrapped in by the heat preservation layer 502.

[0027] Through the above steps, the position of the lower supporting plate 3 is fixed by the base 1, the position of the heat exchanger body 2 is held and fixed by the lower supporting plate 3, the screw rod 6 is driven to rotate by the lifting assembly, the height of the upper cover plate 4 is adjusted by rotating the screw rod 6, the upper cover plate 4 and the lower supporting plate 3 are combined, the heat exchanger body 2 is wrapped in by the upper cover plate 4 and the lower supporting plate 3, the heat exchanger body 2 is protected at constant temperature by the heat preservation assembly, so that the influence of the external environment temperature on the heat exchanger is reduced, the energy loss of the heat exchanger is avoided, and the service life of the heat exchanger is prolonged.

[0028] The embodiment of the utility model is explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A shell-and-tube heat exchanger with thermal insulation structure, comprising a base (1); characterized in that: The heat exchanger further comprises a heat exchanger body (2), a lower supporting plate (3), an upper cover plate (4), a heat preservation assembly, a screw rod (6) and a lifting assembly; the upper portion of the base (1) is provided with the heat exchanger body (2), the upper surface of the base (1) is provided with the lower supporting plate (3), the lower supporting plate (3) is arranged below the heat exchanger body (2), the upper portion of the heat exchanger body (2) is provided with the upper cover plate (4), the lower supporting plate (3) and the upper cover plate (4) are combined and wrapped outside the heat exchanger body (2), one side of the lower supporting plate (3) and the upper cover plate (4) is provided with the heat preservation assembly, the upper portion of the upper cover plate (4) is provided with the screw rod (6), and one side of the screw rod (6) is provided with the lifting assembly.

2. The tube-in-shell heat exchanger having a thermal insulation structure according to claim 1, characterized in that: The heat preservation assembly comprises electric heating wires (501) and a heat preservation layer (502); the inner side of the lower supporting plate (3) is provided with the electric heating wires (501), the inner side of the upper cover plate (4) is provided with the electric heating wires (501), the bottom surface of the lower supporting plate (3) is provided with the heat preservation layer (502), and the upper surface of the upper cover plate (4) is provided with the heat preservation layer (502).

3. The tube-in-shell heat exchanger having a thermal insulation structure according to claim 1, characterized in that: The heat preservation assembly further comprises a clamping groove (503) and a clamping strip (504); one side of the lower supporting plate (3) is provided with the clamping groove (503), and the bottom surface of the upper cover plate (4) is provided with the clamping strip (504).

4. The tube-in-shell heat exchanger with thermal insulation structure according to claim 3, characterized in that: The electric heating wires (501) are provided in multiple groups, the clamping grooves (503) are symmetrically provided in two groups, the clamping strips (504) are symmetrically provided in two groups, and the clamping strips (504) and the clamping grooves (503) are mutually embedded.

5. The tube-in-shell heat exchanger with thermal insulation structure according to claim 3, characterized in that: The lifting assembly comprises a supporting frame (601) and a rotating motor (602); the upper surface of the base (1) is provided with the supporting frame (601), the screw rod (6) is arranged on the bottom surface of the supporting frame (601), and the upper surface of the supporting frame (601) is provided with the rotating motor (602).

6. The tube-in-shell heat exchanger with thermal insulation structure according to claim 5, characterized in that: The lifting assembly further comprises a cylindrical sleeve (603), a connecting block (604) and a sliding telescopic rod (605); the outer side of the screw rod (6) is provided with the cylindrical sleeve (603), one end of the cylindrical sleeve (603) is provided with the connecting block (604), the connecting block (604) is arranged on the upper surface of the upper cover plate (4), the bottom surface of the supporting frame (601) is provided with the sliding telescopic rod (605), and the other end of the sliding telescopic rod (605) is fixedly connected with the upper surface of the upper cover plate (4).

7. The tube-in-shell heat exchanger with thermal insulation structure according to claim 6, characterized in that: The screw rod (6) is rotationally connected with the supporting frame (601), the output end of the rotating motor (602) is connected with the screw rod (6), the cylindrical sleeve (603) is threadedly connected with the screw rod (6), the cylindrical sleeve (603) is rotationally connected with the connecting block (604), and the sliding telescopic rod (605) is symmetrically provided in two groups and arranged on the two sides of the screw rod (6).