Heat exchanger device for boiler pressure vessel

By introducing support and adjustment components into the heat exchanger unit for boiler pressure vessels, the problem of interface misalignment caused by temperature changes was solved, achieving a highly adjustable and stable connection and improving safety.

CN223550933UActive Publication Date: 2025-11-14山东金盛通用设备有限公司
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Patent Information

Application Number
CN202422646760.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-11-14
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

Existing tubular heat exchanger devices are prone to misalignment of interfaces due to expansion or contraction when the temperature changes, affecting connection stability. Furthermore, traditional fixing methods make it difficult to adjust the height, posing safety hazards.

Method used

A heat exchanger device for boiler pressure vessels, including a support component and an adjustment component, was designed. The height of the connecting plate is adjusted by the adjustment component to avoid misalignment shear force caused by expansion or contraction. An adjustable support structure is adopted.

Benefits of technology

This allows for adjustment of the heat exchanger height based on actual operating conditions, avoiding interface misalignment, improving connection stability, and reducing safety hazards.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223550933U_ABST
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Abstract

The utility model discloses a heat exchanger device for a boiler pressure vessel, which comprises a heat exchanger top machine body, and further comprises support components, the support components are symmetrically arranged at the bottom of the heat exchanger top machine body, each support component comprises a support seat, and a connecting plate is arranged at the bottom of the heat exchanger top machine body; the adjusting assembly comprises a connecting column arranged at the bottom of the connecting plate, a movable groove is formed in the top of the supporting base, an extrusion part is arranged in an inner cavity of the movable groove, and a connecting part is arranged on the side, opposite to the extrusion part, of the connecting column; the extrusion part in the adjusting assembly extrudes the connecting part to jack the connecting column, so that the connecting plate at the top of the connecting column is driven to adjust the overall height of the heat exchanger top machine body, and the installation height of the heat exchanger top machine body can be adjusted according to actual working conditions through the design; dislocation shearing force generated at the external connector of the heat exchange fluid connecting pipe and the top machine body of the heat exchanger due to expansion or contraction is avoided, and the stability of the connector connecting position is not affected.
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Description

Technical Field

[0001] This utility model relates to the field of heat exchanger equipment, and in particular to a heat exchanger device for boiler pressure vessels. Background Technology

[0002] In the field of boilers and pressure vessels, heat exchangers are a key component, and their performance directly affects the efficiency and safety of the entire system. Existing tubular heat exchangers are a common type.

[0003] However, existing tubular heat exchanger devices often face some challenges during installation and use. On the one hand, the expansion or contraction of the heat exchange fluid connecting pipe when the temperature changes causes misalignment shear force at the interface with the top body of the tubular heat exchanger, which affects the stability of the interface connection. This instability may lead to safety hazards such as leakage. In addition, traditional tubular heat exchanger devices are fixed to the mounting base by welding, making it difficult to adjust the height according to the actual working conditions. In order to address the above problems, this utility model proposes a heat exchanger device for boiler pressure vessels. Utility Model Content

[0004] The purpose of this invention is to provide a heat exchanger device for boiler pressure vessels to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a heat exchanger device for boiler pressure vessels, comprising a heat exchanger top body, and further comprising:

[0006] A support assembly is provided for limiting and fixing the top body of the heat exchanger. The support assembly is symmetrically arranged at the bottom of the top body of the heat exchanger. The support assembly includes a support base for supporting the top body of the heat exchanger. A connecting plate is provided at the bottom of the top body of the heat exchanger.

[0007] An adjustment component is provided at the connection between the support base and the connecting plate. The adjustment component is used to adjust the support height of the connecting plate. The adjustment component includes a connecting column at the bottom of the connecting plate. The top of the support base is provided with a movable groove for the connecting column to pass through. The inner cavity of the movable groove is provided with a pressing part for ejecting the connecting column. A connecting part is provided on the opposite side of the connecting column and the pressing part.

[0008] Preferably, the connecting part includes a fixing ring sleeved on the outside of the connecting column and a compression spring. The compression spring is disposed at the bottom of the connecting column. A pressure-bearing ring is disposed in the inner cavity of the movable groove and at the bottom of the compression spring. The squeezing part is disposed at the bottom of the pressure-bearing ring.

[0009] Preferably, the extrusion part includes a threaded rod threadedly connected to the middle of the pressure ring, a worm gear sleeved on the outer bottom of the threaded rod, a worm meshing with the side of the worm gear, and the end of the worm being inserted into the side of the support base.

[0010] Preferably, a hexagonal block is provided at the end of the worm gear and on the outside of the support base, and the hexagonal block is used for the rotation of the worm gear.

[0011] Preferably, the bottom of the threaded rod is inserted into the inner wall of the movable groove, and a bearing is provided at the point where the threaded rod intersects with the inner wall of the movable groove.

[0012] Preferably, a friction ring is provided on the outer side of the fixed ring, and the friction ring is used to isolate the fixed ring from the inner wall of the movable groove.

[0013] Preferably, a coolant inlet is provided at the bottom of the top body of the heat exchanger, and a coolant outlet is provided at the bottom of the top body of the heat exchanger.

[0014] Preferably, a cooling fluid outlet is provided at the bottom of the top cover plate of the heat exchanger, and a cooling fluid inlet is provided at the top of the top cover plate of the heat exchanger.

[0015] The technical effects and advantages of this utility model are as follows:

[0016] This invention features an adjustment component at the connection between the heat exchanger top body and the support base. Installers can use the squeezing part to press the connecting part to lift the connecting column, thereby adjusting the overall height of the heat exchanger top body by driving the connecting plate at the top of the connecting column. This design allows the installation height of the heat exchanger top body to be adjusted according to actual working conditions, preventing misalignment and shearing forces at the interface between the heat exchange fluid connecting pipe and the heat exchanger top body due to expansion or contraction, which would affect the stability of the interface connection. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is a cross-sectional view of the entire utility model.

[0019] Figure 3 This utility model Figure 2 Enlarged view of the structure at point A in the middle.

[0020] Figure 4 This is a partial cross-sectional view of the support base of this utility model.

[0021] In the diagram: 1. Heat exchanger top body; 101. Coolant inlet; 102. Coolant outlet; 103. Cooling fluid outlet; 104. Cooling fluid inlet; 2. Support base; 201. Movable groove; 3. Connecting plate; 4. Adjusting assembly; 401. Connecting column; 402. Fixing ring; 4021. Friction ring; 403. Compression spring; 404. Pressure ring; 405. Threaded rod; 406. Worm gear; 407. Worm; 408. Hexagonal block; 409. Bearing. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides, for example Figure 1-4 The heat exchanger device for a boiler pressure vessel shown includes a heat exchanger top body 1, and also includes a support assembly and an adjustment assembly 4;

[0024] Specifically, the support assembly is used for limiting and fixing the top body 1 of the heat exchanger. The support assembly is symmetrically arranged at the bottom of the top body 1 of the heat exchanger. The support assembly includes a support base 2, which is used to support the top body 1 of the heat exchanger. A connecting plate 3 is provided at the bottom of the top body 1 of the heat exchanger.

[0025] It should be noted that the connecting plate 3 is an arc-shaped steel plate, which is welded to the bottom of the heat exchanger top body 1. The bottom of the heat exchanger top body 1 is provided with a coolant inlet 101 and a coolant outlet 102. The bottom of the cover plate end of the heat exchanger top body 1 is provided with a cooling fluid outlet 103, and the top of the cover plate end of the heat exchanger top body 1 is provided with a cooling fluid inlet 104.

[0026] Specifically, the working principle of the overall reference fixed tube sheet heat exchanger consisting of the heat exchanger top body 1, coolant inlet 101, coolant outlet 102, cooling fluid outlet 103 and cooling fluid inlet 104 is as follows:

[0027] Specifically, the adjustment component 4 is set at the connection between the support base 2 and the connecting plate 3. The adjustment component 4 is used to adjust the support height of the connecting plate 3. The adjustment component 4 includes a connecting column 401 set at the bottom of the connecting plate 3. The top of the support base 2 is provided with an active groove 201 for the connecting column 401 to pass through.

[0028] It should be noted that the movable groove 201 is a square groove, the connecting plate 3 is welded to the connecting column 401, the inner cavity of the movable groove 201 is provided with a pressing part for ejecting the connecting column 401, and a connecting part is provided on the opposite side of the connecting column 401 and the pressing part.

[0029] Specifically, the connecting part includes a fixing ring 402 sleeved on the outside of the connecting post 401 and a compression spring 403. The compression spring 403 is disposed at the bottom of the connecting post 401. A pressure bearing ring 404 is disposed in the inner cavity of the movable groove 201 and at the bottom of the compression spring 403. The squeezing part is disposed at the bottom of the pressure bearing ring 404.

[0030] It should be noted that the fixing ring 402 is a rectangular ring, and its middle part is welded to the outer side of the connecting column 401. A friction ring 4021 is bonded to the outer side of the fixing ring 402. The friction ring 4021 is used to isolate the fixing ring 402 from the inner wall of the movable groove 201. The friction ring 4021 is a rectangular ring, and the fixing ring 402 cannot rotate in the movable groove 201. The two ends of the compression spring 403 are welded to the sides of the fixing ring 402 and the pressure ring 404, respectively.

[0031] Specifically, the extrusion part includes a threaded rod 405 that is threadedly connected to the middle of the pressure ring 404. A worm gear 406 is sleeved on the outer bottom of the threaded rod 405. A worm 407 is meshed on the side of the worm gear 406. The end of the worm 407 is inserted and connected to the side of the support seat 2.

[0032] It should be noted that the pressure ring 404 has a thread corresponding to the threaded rod 405 in the middle, and the middle of the worm gear 406 is welded and fixed to the outer side of the threaded rod 405. The pressure ring 404 is a rectangular ring and cannot rotate in the movable groove 201. A hexagonal block 408 is welded to the end of the worm 407 and located on the outer side of the support seat 2. The hexagonal block 408 is used for the rotation of the worm 407. The end of the worm 407 is provided with a protrusion, which restricts the worm 407 and makes it only able to rotate.

[0033] Specifically, the bottom of the threaded rod 405 is inserted into the inner wall of the movable groove 201. A bearing 409 is provided at the point where the threaded rod 405 intersects with the inner wall of the movable groove 201. The middle part of the bearing 409 is welded and fixed to the outer side of the threaded rod 405, and the side of the threaded rod 405 is welded and fixed to the point where it intersects with the inner wall of the movable groove 201, so that the threaded rod 405 can only rotate and cannot be displaced in the vertical direction.

[0034] In actual use, an adjustment component 4 is provided at the connection between the heat exchanger top body 1 and the support base 2. The installer can lift the connecting column 401 by squeezing the connecting part with the squeezing part, thereby driving the connecting plate 3 at the top of the connecting column 401 to adjust the overall height of the heat exchanger top body 1. This design allows the installation height of the heat exchanger top body 1 to be adjusted according to the actual working conditions, avoiding the expansion or contraction of the heat exchange fluid connecting pipe, which would cause misalignment shear force at the external interface of the heat exchanger top body 1 and affect the stability of the interface connection.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heat exchanger device for a boiler pressure vessel, comprising a heat exchanger top body (1), characterized in that, Also includes: A support assembly is used for limiting and fixing the top body (1) of the heat exchanger. The support assembly is symmetrically arranged at the bottom of the top body (1) of the heat exchanger. The support assembly includes a support base (2) for supporting the top body (1) of the heat exchanger. A connecting plate (3) is provided at the bottom of the top body (1). An adjustment component (4) is provided at the connection between the support base (2) and the connecting plate (3). The adjustment component (4) is used to adjust the support height of the connecting plate (3). The adjustment component (4) includes a connecting column (401) provided at the bottom of the connecting plate (3). The top of the support base (2) is provided with a movable groove (201) for the connecting column (401) to pass through. The inner cavity of the movable groove (201) is provided with a pressing part for ejecting the connecting column (401). A connecting part is provided on the opposite side of the connecting column (401) and the pressing part.

2. The heat exchanger device for a boiler pressure vessel according to claim 1, characterized in that, The connecting part includes a fixing ring (402) sleeved on the outside of the connecting post (401) and a compression spring (403). The compression spring (403) is located at the bottom of the connecting post (401). A pressure-bearing ring (404) is provided in the inner cavity of the movable groove (201) and at the bottom of the compression spring (403). The squeezing part is located at the bottom of the pressure-bearing ring (404).

3. The heat exchanger device for a boiler pressure vessel according to claim 2, characterized in that, The extrusion section includes a threaded rod (405) threadedly connected to the middle of the pressure ring (404). A worm wheel (406) is sleeved on the outer bottom of the threaded rod (405). A worm (407) is engaged on the side of the worm wheel (406). The end of the worm (407) is inserted and connected to the side of the support base (2).

4. A heat exchanger device for a boiler pressure vessel according to claim 3, characterized in that, A hexagonal block (408) is provided at the end of the worm (407) and on the outside of the support (2), and the hexagonal block (408) is used for the rotation of the worm (407).

5. A heat exchanger device for a boiler pressure vessel according to claim 3, characterized in that, The bottom of the threaded rod (405) is inserted into the inner wall of the movable groove (201), and a bearing (409) is provided at the point where the threaded rod (405) intersects with the inner wall of the movable groove (201).

6. A heat exchanger device for a boiler pressure vessel according to claim 5, characterized in that, A friction ring (4021) is provided on the outer side of the fixed ring (402), and the friction ring (4021) is used to isolate the fixed ring (402) from the inner wall of the movable groove (201).

7. A heat exchanger device for a boiler pressure vessel according to claim 1, characterized in that, The bottom of the heat exchanger top body (1) is provided with a coolant inlet (101) and the bottom of the heat exchanger top body (1) is provided with a coolant outlet (102).

8. A heat exchanger device for a boiler pressure vessel according to claim 7, characterized in that, The bottom of the cover plate end of the heat exchanger top body (1) is provided with a cooling fluid outlet (103), and the top of the cover plate end of the heat exchanger top body (1) is provided with a cooling fluid inlet (104).