Heat exchange coil convenient to disassemble and assemble in heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a heat exchange coil pipe convenient to disassemble and assemble in a heat exchanger. A heat exchange coil; the connecting assembly is used for connecting the connecting pipe and the heat exchange coil pipe and comprises a connecting sleeve rotationally arranged on the connecting pipe and a connecting disc fixedly arranged on the heat exchange coil pipe; a connecting space used for containing the connecting disc is formed in the connecting sleeve, a through hole allowing the connecting disc to penetrate through is formed in the connecting sleeve, and when the connecting sleeve rotates till the through hole and the connecting disc are staggered, the connecting pipe abuts against the heat exchange coil pipe and communicates with the heat exchange coil pipe. The heat exchanger has the effect that the heat exchange coil pipe is convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat exchangers, in particular to a detachable heat exchange coil inside a heat exchanger. BACKGROUND

[0002] A heat exchanger, also known as a heat exchanger, is an energy-saving device that realizes heat transfer between two or more fluids at different temperatures. It is a device that transfers heat from a fluid with a higher temperature to a fluid with a lower temperature to meet the process requirements and improve energy utilization. Heat exchangers play an important role in chemical, petroleum, power, food and other industrial production, and are widely used in chemical production.

[0003] The heat exchange coil is one of the components of the heat exchanger, which is placed inside the heat exchanger and circulates the heat medium inside to exchange heat between the cold and hot media. During the working process of the heat exchange coil, some dirt and corrosion products will accumulate, which will not only affect the heat exchange efficiency, but also reduce the service life. Therefore, it is necessary to disassemble and clean the heat exchange coil. The existing heat exchange coil is connected by a flange plate, which requires workers to twist multiple bolts multiple times during disassembly and installation, thereby having the problems of complicated operation and inconvenient disassembly and assembly. CONTENT OF THE INVENTION

[0004] In order to facilitate the disassembly and assembly of the heat exchange coil, the present application provides a detachable heat exchange coil inside a heat exchanger.

[0005] The detachable heat exchange coil inside the heat exchanger provided by the present application adopts the following technical scheme:

[0006] A detachable heat exchange coil inside a heat exchanger, comprising:

[0007] A connecting pipe is installed on the heat exchanger;

[0008] A heat exchange coil;

[0009] A connecting assembly is used to connect the connecting pipe and the heat exchange coil, comprising a connecting sleeve rotatably arranged on the connecting pipe and a connecting disc fixedly arranged on the heat exchange coil; the connecting sleeve forms a connecting space inside for accommodating the connecting disc, a through hole is formed on the connecting sleeve for the connecting disc to pass through, and the connecting pipe and the heat exchange coil are in abutment and communication when the connecting sleeve is rotated to be out of position with the connecting disc.

[0010] By adopting the technical scheme, when the heat exchange coil is installed, the connecting disc is inserted into the connecting sleeve through the through hole, then the connecting sleeve is rotated to misalign the through hole and the connecting disc, and the inner wall of the connecting disc is abutted against the connecting disc, so that the connecting disc cannot be separated from the connecting sleeve. At this time, the connecting pipe and the heat exchange coil are abutted against each other and connected to each other. The whole installation process is quick and convenient. When disassembling, the connecting sleeve is only rotated to align the through hole and the connecting disc, and then the connecting disc is taken out of the connecting sleeve, so that the disassembly process is quick and convenient.

[0011] Optionally, the connecting sleeve is fixedly provided with a reinforcing protrusion, one side of the reinforcing protrusion is provided as an inclined surface, and the connecting disc gradually approaches the connecting pipe when moving along the inclined surface of the reinforcing protrusion.

[0012] By adopting the technical scheme, the reinforcing protrusion can extrude and push the connecting disc towards the connecting pipe, so that the connecting disc and the connecting pipe are connected more tightly.

[0013] Optionally, the connecting pipe is fixedly provided with a sealing disc, and the connecting disc is provided with a sealing circular groove matched with the sealing disc.

[0014] By adopting the technical scheme, the sealing disc and the sealing circular groove are inserted together, so that the connecting pipe and the heat exchange coil can be aligned, thereby improving the connection effect between the connecting pipe and the heat exchange coil.

[0015] Optionally, the connecting sleeve is threadedly connected with a connecting bolt, and the connecting bolt is threadedly connected with the connecting disc when the connecting sleeve is rotated to misalign the through hole and the connecting disc.

[0016] By adopting the technical scheme, when the connecting sleeve is rotated to misalign the through hole and the connecting disc, the connecting bolt is threadedly connected with the connecting disc, so that the connecting disc cannot be rotated, thereby fixing the connecting disc and ensuring the stability of the connection between the connecting pipe and the heat exchange coil.

[0017] Optionally, the connecting sleeve is fixedly provided with a positioning block, and the connecting bolt is threadedly connected with the connecting disc when the connecting disc is abutted against the positioning block.

[0018] By adopting the technical scheme, when the connecting disc is abutted against the positioning block, the connecting bolt and the threaded hole on the connecting disc are aligned, so that the connecting bolt can be conveniently threadedly connected with the connecting disc, thereby reducing the operation difficulty.

[0019] Optionally, the connecting sleeve is fixedly provided with a guide rod, the guide rod is provided with a locking sleeve, the locking sleeve is provided with a locking hole matched with the bolt head of the connecting bolt, and the guide rod is provided with an elastic member for pushing the locking sleeve to move towards the connecting sleeve.

[0020] By adopting the technical scheme, after the connecting bolt is threadedly connected with the connecting disc, the lock washer is sleeved on the bolt head of the connecting bolt, so that the connecting bolt cannot rotate, thereby achieving the anti-loosening effect on the connecting bolt.

[0021] Optionally, the elastic member is a spring, one end of the spring is fixed with the guide rod, and the other end of the spring abuts against the lock washer.

[0022] By adopting the technical scheme, the spring can press the lock washer on the connecting bolt, so that the lock washer is more stable during use.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. When installing the heat exchange coil, the connecting disc is inserted through the through hole and into the connecting sleeve, then the connecting sleeve is rotated, so that the through hole and the connecting disc are misaligned, the inner wall of the connecting disc abuts against the connecting disc, so that the connecting disc cannot be separated from the connecting sleeve. At this time, the connecting pipe and the heat exchange coil abut against each other and realize the communication between each other, the whole installation process is quick and convenient. When disassembling, only need to rotate the connecting sleeve to make the through hole and the connecting disc align, then take out the connecting disc from the connecting sleeve, the disassembly process is quick and convenient.

[0025] 2. By inserting the sealing disc and the sealing circular groove together, the alignment between the connecting pipe and the heat exchange coil can be ensured, thereby improving the communication effect between the connecting pipe and the heat exchange coil. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application.

[0027] Figure 2 is a schematic diagram of the disconnection state of the connecting pipe and the heat exchange coil of the embodiment of the present application.

[0028] Figure 3 is a sectional view of the embodiment of the present application.

[0029] Reference signs: 1, connecting pipe; 11, sealing disc; 2, heat exchange coil; 31, connecting sleeve; 311, through hole; 312, reinforcing protrusion; 313, positioning block; 32, connecting disc; 321, sealing circular groove; 33, connecting bolt; 41, guide rod; 42, lock washer; 421, lock hole; 43, spring. DETAILED DESCRIPTION

[0030] The technical scheme in the present application will be further described in detail below with reference to the drawings.

[0031] The embodiment of the present application discloses a heat exchange coil inside a heat exchanger which is convenient to disassemble and assemble. Please refer to Figure 1The detachable heat exchange coil inside the heat exchanger comprises a connecting pipe 1, a heat exchange coil 2 and a connecting assembly. The connecting pipe 1 is installed on the heat exchanger, and the heat exchange coil 2 is the main heat exchange element of the heat exchanger, which circulates the heat medium inside to realize the heat exchange between the cold and hot medium.

[0032] Wherein, please refer to Figure 2 The connecting assembly is used to realize the quick connection and separation between the connecting pipe 1 and the heat exchange coil 2. The connecting assembly comprises a connecting sleeve 31 and a connecting disc 32. The connecting sleeve 31 is rotatably arranged on the connecting pipe 1 and can rotate relative to the connecting pipe 1. The connecting disc 32 is fixedly arranged on the heat exchange coil 2, and the connecting disc 32 is a waist-shaped block. The connecting sleeve 31 forms a connecting space inside for accommodating the connecting disc 32, so that the connecting disc 32 can enter the inside of the connecting sleeve 31 completely. At the same time, a through hole 311 is formed on the connecting sleeve 31 for the connecting disc 32 to pass through, and the through hole 311 is a waist-shaped hole. The size and shape of the through hole 311 are matched with the connecting disc 32, so that the connecting disc 32 can enter and exit the connecting sleeve 31 through the through hole 311 during the connecting or disassembling process.

[0033] When it is needed to connect the connecting pipe 1 and the heat exchange coil 2, first, the connecting disc 32 is aligned with the through hole 311 and inserted into the connecting sleeve 31. Then, the connecting sleeve 31 is rotated so that the through hole 311 is dislocated from the connecting disc 32. At this time, the connecting pipe 1 and the heat exchange coil 2 are abutted together and communicated with each other, and the connecting disc 32 is locked in the connecting space of the connecting sleeve 31, realizing the stable connection of the connecting pipe 1 and the heat exchange coil 2. At the same time, since the rotating operation of the connecting sleeve 31 is more convenient than the traditional flange connection method, the disassembling process is greatly simplified.

[0034] Please refer to Figure 2 In order to further enhance the stability of the connection, a reinforcing protrusion 312 is fixedly arranged on the connecting sleeve 31. One side of the reinforcing protrusion 312 is arranged as an inclined surface. When the connecting disc 32 moves along the inclined surface of the reinforcing protrusion 312, it will be guided by the inclined surface to further press close to the connecting pipe 1, so as to be closely attached to the connecting pipe 1, thereby improving the stability of the connection and helping to ensure the sealing performance of the connection.

[0035] Further, please refer to Figure 2 and Figure 3In order to ensure the sealing performance of the connection, a sealing disc 11 is fixedly arranged on the connecting pipe 1, and a sealing circular groove 321 matching the sealing disc 11 is formed on the connecting disc 32. When the connecting pipe 1 is connected with the heat exchange coil 2, the sealing disc 11 can be tightly embedded in the sealing circular groove 321, so as to realize effective sealing of the connection. Meanwhile, a sealing gasket is fixedly arranged on the end face of the sealing disc 11 and the inner wall of the sealing circular groove 321, and the sealing gasket is made of rubber material. The sealing gasket can fill the small gap of the connection, so as to prevent the medium from leaking through the connection.

[0036] Please refer to Figure 2 and Figure 3 In order to fix the connecting sleeve 31 and the connecting disc 32, the connecting bolt 33 is threadedly connected with the connecting sleeve 31. When the connecting sleeve 31 is rotated to be out of position with the connecting disc 32, the connecting bolt 33 can be aligned with the threaded hole on the connecting disc 32 and screwed into the threaded hole, so as to tightly fix the connecting sleeve 31 and the connecting disc 32 together.

[0037] Please refer to Figure 2 In order to facilitate the operation and accurately determine the tightening position of the connecting bolt 33, the positioning block 313 is fixedly arranged on the connecting sleeve 31. When the connecting disc 32 abuts against the positioning block 313, it indicates that the connecting bolt 33 has been aligned with the threaded hole on the connecting disc 32. At this time, the connecting bolt 33 can be conveniently tightened to complete the fixing operation, so as to simplify the operation steps and improve the work efficiency and accuracy.

[0038] Please refer to Figure 2 and Figure 3 In order to prevent the connecting bolt 33 from loosening, the guide rod 41 is fixedly arranged on the connecting sleeve 31, and the anti-loosening sleeve 42 is arranged on the guide rod 41, so that the anti-loosening sleeve 42 can not only slide on the guide rod 41 but also rotate on the guide rod 41. The anti-loosening hole 421 in the shape of hexagon is formed on the anti-loosening sleeve 42 and matches the bolt head of the connecting bolt 33. After the connecting bolt 33 is tightened, the anti-loosening sleeve 42 is moved, so that the bolt head of the connecting bolt 33 can be embedded in the anti-loosening hole 421, thereby limiting the rotation of the connecting bolt 33. Meanwhile, the elastic member for pushing the anti-loosening sleeve 42 to move towards the connecting sleeve 31 is arranged on the guide rod 41. Specifically, the elastic member is a spring 43, one end of the spring 43 is fixedly connected with the guide rod 41, and the other end of the spring 43 abuts against the anti-loosening sleeve 42. Under the action of the elastic force of the spring 43, the anti-loosening sleeve 42 can tightly abut against the bolt head of the connecting bolt 33, so that the connecting bolt 33 cannot rotate, thereby improving the stability and safety of the connection.

[0039] The principle of the embodiment of the present application is that after the connecting disc 32 is inserted into the connecting sleeve 31, the connecting sleeve 31 is rotated until the connecting disc 32 abuts against the positioning block 313. The connecting bolt 33 is screwed with the connecting disc 32, and the anti-loosening sleeve 42 is moved so that the anti-loosening sleeve 42 is sleeved on the bolt head of the connecting bolt 33.

[0040] The embodiments of the specific implementation are the preferred embodiments of the present application, but do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A heat exchanger internal, detachable heat exchange coil, characterized in that, The utility model relates to a heat exchange connecting device, including: The connecting pipe (1) is installed on the heat exchanger; The heat exchange coil pipe (2); The connecting assembly is used for connecting the connecting pipe (1) and the heat exchange coil pipe (2), including the connecting sleeve (31) rotationally arranged on the connecting pipe (1) and the connecting disc (32) fixedly arranged on the heat exchange coil pipe (2);The connecting space for accommodating the connecting disc (32) is formed in the connecting sleeve (31), the through hole (311) for the connecting disc (32) to pass through is formed in the connecting sleeve (31), when the connecting sleeve (31) is rotated to the through hole (311) and the connecting disc (32) are dislocated, the connecting pipe (1) and the heat exchange coil pipe (2) are abutted and communicated.

2. A removable heat exchange coil inside a heat exchanger according to claim 1, characterized in that: The reinforcing convex (312) is fixedly arranged on the connecting sleeve (31), one side of the reinforcing convex (312) is arranged as an inclined plane, when the connecting disc (32) moves along the inclined plane of the reinforcing convex (312), the connecting disc (32) gradually approaches the connecting pipe (1).

3. A removable heat exchange tube according to claim 1, characterized in that: The sealing disc (11) is fixedly arranged on the connecting pipe (1), the sealing circular groove (321) matched with the sealing disc (11) is formed in the connecting disc (32).

4. The detachable heat exchange tube of a heat exchanger according to claim 1, wherein: The connecting bolt (33) is threadedly connected on the connecting sleeve (31), when the connecting sleeve (31) is rotated to the through hole (311) and the connecting disc (32) are dislocated, the connecting bolt (33) is threadedly connected with the connecting disc (32).

5. A removable heat exchange tube according to claim 4, wherein: The positioning block (313) is fixedly arranged on the connecting sleeve (31), when the connecting disc (32) abuts against the positioning block (313), the connecting bolt (33) is threadedly connected with the connecting disc (32).

6. A removable heat exchange tube according to claim 4, wherein: The guide rod (41) is fixedly arranged on the connecting sleeve (31), the lock sleeve (42) is arranged on the guide rod (41), the lock hole (421) matched with the bolt head of the connecting bolt (33) is formed in the lock sleeve (42), the elastic member for pushing the lock sleeve (42) to move towards the connecting sleeve (31) is arranged on the guide rod (41).

7. A removable heat exchange tube according to claim 6, wherein: The elastic member is the spring (43), one end of the spring (43) is fixed with the guide rod (41), and the other end is in abutment with the lock sleeve (42).

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