Detachable heat exchange core supporting frame

By adopting a detachable design and bolted connection method in the heat exchange core support frame, the problem of welding connection is solved, and the serpentine tube is limited and supported by setting up support components, efficient and environmentally friendly assembly is achieved and the risk of deformation and vibration of the serpentine tube is reduced.

CN222703899UActive Publication Date: 2025-04-01LONGHUA TECHNOLOGY GROUP (LUOYANG) CO LTD
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Patent Information

Application Number
CN202421371856.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-01
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The existing heat exchange core support frames have welding problems during the connection process, including complex corrosion protection after welding, potential leakage risks during welding, serious smoke pollution and high requirements for professionals, and lack of effective support limits for serpentine tubes, which leads to serpentine tubes being easily deformed and vibrated.

Method used

A detachable heat exchange core support frame is adopted, and the column and bottom frame are fastened by bolts to avoid welding operations, and support components are provided at the bend of the serpentine tube to provide limits and support.

Benefits of technology

Weldless assembly is achieved, reducing production costs and operational complexity, avoiding potential risks and pollution caused by welding, improving assembly efficiency, and effectively supporting and limiting serpentine tubes, reducing its deformation and vibration risks.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222703899U_ABST
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Abstract

A detachable heat exchange core supporting frame relates to the technical field of heat exchangers, is used for fixing a heat exchange core composed of coiled pipes and comprises a bottom frame, a first stand column, a second stand column and a third stand column. The heat exchange core body is arranged at the top of the bottom frame, first stand columns are arranged at the two corner ends, corresponding to one side of the heat exchange core body water inlet pipe, of the bottom frame, and second stand columns are fixedly connected to the tops of the first stand columns through bolts. Third stand columns are connected to the two corner ends, corresponding to one side of the heat exchange core water outlet pipe, of the bottom frame in a fastened mode through bolts. Clamping pieces used for limiting the heat exchange core are arranged at the position, corresponding to the heat exchange core water inlet pipe, of the first stand column and the position, corresponding to the heat exchange core water outlet pipe, of the third stand column. The whole body is assembled through the bolts, welding operation is not needed in the whole assembly operation process, welding smoke dust cannot be generated, the environment-friendly requirement can be met, an operator with a welding certificate does not need to be on duty, common operators can carry out assembly operation, and the production efficiency can be greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a detachable heat exchange core support frame. Background Art

[0002] As is known, the heat exchange core is an important component of the evaporative cooling equipment; the heat exchange core is composed of an inlet pipe, an outlet pipe and a serpentine tube; a support frame composed of a column, a fixed card plate and a bottom frame is arranged outside the heat exchange core; usually the column and the bottom frame are fastened and connected by welding after assembling the heat exchange core; however, this welding connection method exposes some problems in practical applications: ① When the serpentine tube is made of corrosion-resistant materials such as stainless steel tubes, copper tubes or aluminum tubes, its surface does not require additional anti-corrosion treatment; and the weld after welding the column and the bottom frame needs additional anti-corrosion treatment, which increases the complexity of the process; ② During the welding process, the splashing high-temperature particles may burn the serpentine tube, causing potential leakage risks and increasing the cost of maintenance and replacement; ③ The smoke pollution generated by welding is serious and does not meet environmental protection requirements; ④ The welding operation requires professionals holding a welder certificate, and the personnel quality requirements are relatively high;

[0003] In view of the above problems, when the serpentine tube is made of corrosion-resistant material, the connection method between the column and the bottom frame needs to be optimized; reducing welding or adopting non-welding technologies such as bolt connection can not only effectively avoid the above problems, but also significantly improve assembly efficiency; however, since the water inlet pipe of the heat exchange core is close to or close to the bottom frame, it is difficult to operate the column on the water inlet pipe side of the heat exchange core and the bottom frame through bolt connection; in addition, the existing heat exchange core support frame lacks effective support and limitation for the serpentine tube, which makes the serpentine tube easy to deform and the serpentine tube is prone to vibration during operation. Utility Model Content

[0004] In order to overcome the deficiencies in the background technology, the utility model discloses a detachable heat exchange core support frame.

[0005] In order to achieve the above-mentioned invention object, the utility model adopts the following technical solutions:

[0006] A detachable heat exchange core support frame is used to fix a heat exchange core composed of a serpentine tube, comprising a bottom frame, a first column, a second column and a third column; the heat exchange core is placed on the top of the bottom frame, and the two corner ends of the bottom frame corresponding to the side of a water inlet pipe of the heat exchange core are each provided with a first column, and the top of the first column is fastened with the second column by bolts; the two corner ends of the bottom frame corresponding to the side of a water outlet pipe of the heat exchange core are each fastened with the third column by bolts; the position of the first column corresponding to the water inlet pipe of the heat exchange core and the position of the third column corresponding to the water outlet pipe of the heat exchange core are both provided with a clamping piece for limiting the heat exchange core.

[0007] Preferably, the second column and the third column are provided with a support assembly at the bending position of the serpentine tube of the heat exchange core corresponding to the heat exchange core, and the support assembly includes a connecting rod, the connecting rod body is provided with a support plate, and the support plate is provided with a slot corresponding to the serpentine tube at the position corresponding to the serpentine tube; the second column and the third column are provided with a connecting sleeve at the position corresponding to the connecting rod; the end of the connecting rod is installed with a tightening bolt threadedly connected to the corresponding connecting sleeve.

[0008] Preferably, a graphite gasket is nested in the slot of the support plate.

[0009] Preferably, the surface of the support plate is a hollow structure or an opening is provided between two adjacent slots.

[0010] Preferably, the first column, the second column and the third column are all made of angle irons; and the corresponding connected ends of the first column and the second column are provided with wing plates for installing bolts.

[0011] Preferably, the bottom frame is formed by splicing angle steels or channel steels; or the bottom frame is formed by bending in one piece.

[0012] Preferably, the surfaces of the bottom frame, the first column, the second column and the third column are all provided with a galvanized anti-corrosion layer.

[0013] Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:

[0014] The utility model discloses a detachable heat exchange core support frame, which has a simple structure, is easy to assemble, and has a low production cost. During assembly, the top of the first column is fastened to the second column by bolts; the two corner ends of the bottom frame corresponding to the water outlet pipe of the heat exchange core are fastened to the third column by bolts, and before fastening the bolts, the clamping piece on the third column is first clamped with the water outlet pipe of the heat exchange core to achieve the purpose of fixing the heat exchange core, and is convenient for later disassembly and maintenance; the entire assembly process does not require welding operations, does not generate welding smoke, can meet environmental protection requirements, does not require operators with welding certificates to take up their posts, and general operators can perform assembly operations, which can greatly improve production efficiency and does not affect work progress;

[0015] In addition, the second column and the third column are provided with support components at the bending parts of the serpentine tubes corresponding to the heat exchange core, and the serpentine tubes are supported by support plates. At the same time, the serpentine tubes are limited by slots, thereby reducing the risk of deformation of the serpentine tubes and reducing the vibration generated by the serpentine tubes during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the connection structure between the support assembly and the third column;

[0018] Figure 3 is a structural schematic diagram of a support plate;

[0019] Figure 4 This is a schematic diagram of the structure of the first column.

[0020] In the figure: 1. heat exchange core; 2. bottom frame; 3. first column; 4. second column; 5. third column; 6. clamping part; 7. support assembly; 7-1. connecting rod; 7-2. support plate; 7-3. slot; 7-4. tightening bolt; 7-5. graphite gasket; 8. connecting sleeve; 9. wing plate. DETAILED DESCRIPTION

[0021] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0022] Embodiment 1, in combination with Figure 1 A detachable heat exchange core support frame is used to fix a heat exchange core 1 composed of a serpentine tube, wherein the heat exchange core 1 is composed of a water inlet pipe, a water outlet pipe and a serpentine tube; it comprises a bottom frame 2, a first column 3, a second column 4 and a third column 5; the heat exchange core 1 is placed on the top of the bottom frame 2, and the bottom frame 2 is provided with a first column 3 at two corner ends corresponding to one side of the water inlet pipe of the heat exchange core 1, and the top of the first column 3 is fastened with a second column 4 by bolts;

[0023] It should be noted that, since the water inlet pipe of the heat exchange core 1 is close to or close to the bottom frame 2, if the first column 3 and the bottom frame 2 are connected by bolts, the bolts here will interfere with the water inlet pipe of the heat exchange core 1; therefore, the first column 3 and the bottom frame 2 are fastened by welding, and the welding operation of the first column 3 and the bottom frame 2 is completed before assembling the heat exchange core 1 to avoid damage to the heat exchange core 1 during the welding operation. After the first column 3 and the bottom frame 2 are welded, the welding seam is treated with anti-corrosion;

[0024] The two corner ends of the bottom frame 2 corresponding to the water outlet pipe of the heat exchange core 1 are fastened with the third column 5 by bolts; the position of the first column 3 corresponding to the water inlet pipe of the heat exchange core 1 and the position of the third column 5 corresponding to the water outlet pipe of the heat exchange core 1 are both provided with a clamping piece 6 for limiting the heat exchange core 1;

[0025] During assembly, the heat exchange core 1 is placed on the top of the bottom frame 2, and the water inlet pipe of the heat exchange core 1 is located on the side of the bottom frame 2 welded with the first column 3, and the water inlet pipe of the heat exchange core 1 is correspondingly clamped with the clamping piece 6 on the inner side of the first column 3; the second column 4 is fastened with bolts at the top of the first column 3; the third column 5 is fastened with bolts at the two corner ends of the bottom frame 2 corresponding to the water outlet pipe of the heat exchange core 1, and the clamping piece 6 on the third column 5 is correspondingly clamped with the water outlet pipe of the heat exchange core 1 before tightening the bolts, so as to achieve the purpose of fixing the heat exchange core 1; the whole assembly process does not require welding work, does not generate welding smoke, can meet environmental protection requirements, does not require operators with welding certificates to work, and general operators can perform assembly work, which can greatly improve production efficiency and work progress is not affected;

[0026] It should be noted that if the water outlet pipe and the water inlet pipe of the heat exchange core 1 are located on the same side, a clamping member 6 for limiting the water outlet pipe of the heat exchange core 1 is provided on the second column 4 .

[0027] Embodiment 2: It is found in actual use that the above embodiment only limits the water inlet pipe and the water outlet pipe of the heat exchange core 1, while the serpentine tube of the heat exchange core 1 lacks effective support or limit, and the serpentine tube is easy to deform or vibrate during operation. In order to solve this technical defect, this embodiment is further improved;

[0028] Combined with Figures 1 to 3 , a detachable heat exchange core support frame, which is different from Example 1 in that, on the basis of Example 1, the second column 4 and the third column 5 are provided with a support assembly 7 at the bending position of the serpentine tube of the heat exchange core 1, and the support assembly 7 includes a connecting rod 7-1, and the connecting rod 7-1 is provided with a support plate 7-2, and the support plate 7-2 is provided with a slot 7-3 corresponding to the serpentine tube at the position corresponding to the serpentine tube, that is, the serpentine tube is supported by the support plate 7-2, and the serpentine tube is limited by the slot 7-3, thereby reducing the risk of deformation of the serpentine tube;

[0029] A connecting sleeve 8 is provided at the position of the second column 4 and the third column 5 corresponding to the connecting rod 7-1; a tensioning bolt 7-4 correspondingly threadedly connected to the corresponding connecting sleeve 8 is installed at the end of the connecting rod 7-1, that is, the connecting rod 7-1 can be moved close to the connecting sleeve 8 by screwing the tensioning bolt 7-4, and the connecting rod 7-1 drives the support plate 7-2 to move close to the connecting sleeve 8, so that the serpentine tube body can be correspondingly engaged with the corresponding slot 7-3, and the support plate 7-2 can effectively support the serpentine tube; at the same time, the two second columns 4 and the two third columns 5 can be correspondingly connected through the corresponding connecting rod 7-1, thereby improving the overall structural strength;

[0030] A graphite gasket 7-5 is embedded in the slot 7-3 of the support plate 7-2. The graphite gasket 7-5 can effectively contact the support plate 7-2 with the corresponding serpentine tube, thereby ensuring that the support plate 7-2 can effectively support the serpentine tube; at the same time, the graphite gasket 7-5 can avoid scratching the serpentine tube during the assembly process;

[0031] The surface of the support plate 7-2 is a hollow structure or an opening is provided between two adjacent slots 7-3, which can effectively reduce the weight of the support plate 7-2 and reduce wind resistance.

[0032] Embodiment 3, in combination with Figure 1 and 4 , a detachable heat exchange core support frame, based on embodiment 1 or 2, the first column 3, the second column 4 and the third column 5 are all made of angle iron; the heat exchange core 1 can be located inside the first column 3, the second column 4 and the third column 5, so as to effectively protect the heat exchange core 1; the ends corresponding to the connection of the first column 3 and the second column 4 are provided with wing plates 9 for installing bolts, which is convenient for assembly;

[0033] The bottom frame 2 is formed by splicing angle steel or channel steel; or the bottom frame 2 is bent into an integral shape, and the manufacturing process is simple; the bottom frame 2, the first column 3, the second column 4 and the third column 5 are all galvanized for corrosion protection, so that an anti-corrosion layer is formed on the surface of the bottom frame 2, the first column 3, the second column 4 and the third column 5, which can effectively improve the service life.

[0034] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.

Claims

1. A detachable heat exchange core support frame for fixing a heat exchange core (1) composed of serpentine tubes, characterized in that: The heat exchange core (1) comprises a bottom frame (2), a first column (3), a second column (4) and a third column (5); the heat exchange core (1) is placed on the top of the bottom frame (2); the two corner ends of the bottom frame (2) corresponding to the water inlet pipe of the heat exchange core (1) are each provided with a first column (3); the top of the first column (3) is fastened with the second column (4) by bolts; the two corner ends of the bottom frame (2) corresponding to the water outlet pipe of the heat exchange core (1) are each fastened with the third column (5) by bolts; the first column (3) corresponding to the water inlet pipe of the heat exchange core (1) and the third column (5) corresponding to the water outlet pipe of the heat exchange core (1) are each provided with a clamping piece (6) for limiting the position of the heat exchange core (1).

2. The detachable heat exchange core support frame according to claim 1 is characterized in that: The second column (4) and the third column (5) are provided with a support assembly (7) at the bend of the serpentine tube of the heat exchange core (1), and the support assembly (7) comprises a connecting rod (7-1), the connecting rod (7-1) having a supporting plate (7-2) on its rod body, and the supporting plate (7-2) having a slot (7-3) corresponding to the serpentine tube at a position corresponding to the serpentine tube; the second column (4) and the third column (5) are provided with a connecting sleeve (8) at a position corresponding to the connecting rod (7-1); and the end of the connecting rod (7-1) is provided with a tensioning bolt (7-4) threadedly connected to the corresponding connecting sleeve (8).

3. The detachable heat exchange core support frame according to claim 2 is characterized in that: A graphite gasket (7-5) is nested in the slot (7-3) of the support plate (7-2).

4. The detachable heat exchange core support frame according to claim 2 is characterized in that: The plate surface of the support plate (7-2) is a hollow structure or an opening is provided between two adjacent slots (7-3).

5. The detachable heat exchange core support frame according to claim 1 is characterized in that: The first column (3), the second column (4) and the third column (5) are all made of angle iron; the corresponding connecting ends of the first column (3) and the second column (4) are provided with wing plates (9) for mounting bolts.

6. The detachable heat exchange core support frame according to claim 1 is characterized in that: The bottom frame (2) is formed by splicing angle steels or channel steels; or the bottom frame (2) is formed by bending in one piece.

7. The detachable heat exchange core support frame according to claim 1 is characterized in that: The surfaces of the bottom frame (2), the first column (3), the second column (4) and the third column (5) are all provided with a galvanized anti-corrosion layer.