Double-pipe heat exchanger convenient to install

Abstract

The utility model discloses a double-pipe heat exchanger convenient to install, which belongs to the technical field of heat exchangers and is characterized by comprising a heat exchanger and a fixing mechanism, the fixing mechanism is bolted at the bottom of the heat exchanger, a base is bolted at the bottom of the heat exchanger, and clamping blocks are bolted on the front side and the rear side of the base respectively. A fixing frame is connected to the surface of the heat exchanger in a bolted mode, a sleeve is connected to the top of the fixing frame in a bolted mode, communicating pipes communicate with the left side and the right side of the top of the heat exchanger, and the tops of the communicating pipes communicate with the sleeve. The heat exchanger can convert cold fluid into hot fluid, the base can support and limit the heat exchanger, the clamping block can enable the base and the fixing mechanism to be connected in a clamped mode, the fixing frame can support and limit the sleeve, and the communicating pipe can enable the heat exchanger to transmit the hot fluid to the inner side of the sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a shell-and-tube heat exchanger which is easy to install. Background Art

[0002] A type of tubular heat exchanger, the shell-and-tube heat exchanger is a concentric shell-and-tube heat exchanger that uses two standard tubes of different sizes to connect each other. The outer side is called the shell side, and the inner side is called the tube side. The two different media can flow in the shell side and the tube side in reverse or in the same direction to achieve the effect of heat exchange.

[0003] At present, the Chinese utility model with the publication number of CN212692608U discloses a detachable shell and tube heat exchanger, comprising a shell and tube body and a heat exchanger body arranged at the center of the shell and tube body, and a pipe fitting arranged on the outer surface of the shell and tube body, a connecting frame is arranged on one side of the outer surface of the shell and tube body, a pull rod is arranged between two groups of the connecting frames, a clamping frame is arranged on the outer surface of the bottom end of the shell and tube body, a supporting rod is fixedly installed on the bottom end of the outer surface of the clamping frame, a bottom plate is fixedly installed on the outer surface of the bottom end of the supporting rod, a limited slot is provided on the outer surface of the shell and tube body corresponding to the position of the pipe fitting, and positioning holes are arranged on both sides of the limited slot. The detachable shell and tube heat exchanger described in the utility model can provide a certain degree of protection for the entire heat exchanger body, and can also facilitate the user to separate the heat exchanger body from the shell and tube body during use, so as to facilitate the heat exchanger body to be used alone or repaired, bringing better prospects for use.

[0004] When installing or maintaining a shell and tube heat exchanger, a detachable shell and tube heat exchanger is used, and a shell and tube heat exchanger that is easy to install is one of them. However, the existing installation structure is too complicated, which is not convenient for users to install the shell and tube heat exchanger, resulting in troublesome maintenance of the shell and tube heat exchanger by users in the later stage. Utility Model Content

[0005] The utility model provides a shell and tube heat exchanger which is easy to install, aiming to solve the problem that the existing installation structure is too complicated, which makes it inconvenient for users to install the shell and tube heat exchanger, thus causing trouble for users to maintain the shell and tube heat exchanger later.

[0006] The utility model is implemented as follows: a shell-and-tube heat exchanger that is easy to install includes a heat exchanger and a fixing mechanism, wherein the fixing mechanism is bolted to the bottom of the heat exchanger, a base is bolted to the bottom of the heat exchanger, a clamping block is bolted to the front and rear sides of the base, a fixing frame is bolted to the surface of the heat exchanger, a sleeve is bolted to the top of the fixing frame, a connecting pipe is connected to the left and right sides of the top of the heat exchanger, and the top of the connecting pipe is connected to the sleeve;

[0007] The fixing mechanism includes a limit plate, a limit groove, a limit hole, a fixing hole and a clamping tube. The limit plate is clamped on the front and rear sides of the base, the limit groove is opened on the front and rear sides of the limit plate, the limit hole is opened on the top of the limit plate, the fixing hole is opened on the left and right sides of the top of the limit plate, the clamping tube is connected to the front and rear sides of the heat exchanger, and the clamping tube is connected to the front and rear sides of the sleeve.

[0008] In order to prevent the clamping tube from overheating, as a preferred shell-and-tube heat exchanger of the utility model that is easy to install, a heat insulating sleeve is bolted to the bottom of the clamping tube, and the side of the heat insulating sleeve away from the clamping tube is bolted to the inner side of the heat exchanger.

[0009] In order to enhance the effect of fixing the sleeve, as a preferred embodiment of the present invention of a sleeve-type heat exchanger that is easy to install, a blocking block is bolted to the top of the fixing frame, and the side of the blocking block away from the fixing frame contacts the surface of the sleeve.

[0010] In order to increase the stability of the bolting between the limit plate and the clamping block, as a preferred shell-and-tube heat exchanger that is easy to install in the utility model, a connecting screw is bolted on the surface of the limit hole, and the connecting screw passes through the limit plate and is bolted to the clamping block.

[0011] In order to facilitate the user to connect the pipeline to the clamping tube, as a preferred embodiment of the utility model, a shell-and-tube heat exchanger that is easy to install is provided with a connecting hole on the surface of the clamping tube, and the inner side of the connecting hole is coated with anti-corrosion paint.

[0012] In order to increase the friction between the limit plate and the ground, as a preferred embodiment of the present invention, a shell-and-tube heat exchanger that is easy to install is provided with an anti-skid pad bolted to the bottom of the limit plate, and the surface of the anti-skid pad is coated with an anti-corrosion paint.

[0013] In order to increase the airtightness between the connecting pipe and the heat exchanger, as a preferred shell-and-tube heat exchanger that is easy to install in the utility model, a sealing ring is bolted to the bottom of the connecting pipe, and the side of the sealing ring away from the connecting pipe is connected to the heat exchanger.

[0014] In order to increase the airtightness between the clamping tube and the heat exchanger, as a preferred shell-and-tube heat exchanger that is easy to install in the utility model, an air-sealing pad is bolted to the bottom of the clamping tube, and the side of the air-sealing pad away from the clamping tube is bolted to the inner side of the heat exchanger.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The easy-to-install shell and tube heat exchanger has a fixing mechanism, which can support and limit the heat exchanger. The heat exchanger can convert cold fluid into hot fluid. The base can support and limit the heat exchanger. The clamping block can clamp the base with the fixing mechanism. The fixing frame can support and limit the shell. The connecting pipe can enable the heat exchanger to transfer the hot fluid to the inner side of the shell. The limiting plate can clamp the same heat exchanger. The limiting groove can clamp and limit the clamping block. The limiting hole can be bolted after the clamping block is clamped into the limiting groove. The fixing hole can bolt the limiting plate to the ground. The clamping tube can facilitate users to bolt the same heat exchanger to the shell, thereby facilitating users to install the shell and tube heat exchanger and also facilitating users to maintain the shell and tube heat exchanger later. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure diagram of the easy-to-install shell-and-tube heat exchanger of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the limiting hole in the utility model;

[0019] Figure 3 This is a structural schematic diagram of the clamping block in the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the anti-slip mat in the utility model;

[0021] Figure 5 For this utility model Figure 1 Enlarged schematic diagram at point A in the middle.

[0022] In the figure, 1. heat exchanger; 2. fixing mechanism; 201. limit plate; 202. limit groove; 203. limit hole; 204. fixing hole; 205. clamping tube; 3. base; 4. clamping block; 5. fixing frame; 6. sleeve; 7. connecting pipe; 8. insulation sleeve; 9. blocking block; 10. connecting screw; 11. connecting hole; 12. anti-slip pad; 13. sealing ring; 14. air-sealing pad. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a shell-and-tube heat exchanger that is easy to install, comprising a heat exchanger 1 and a fixing mechanism 2, the fixing mechanism 2 is bolted to the bottom of the heat exchanger 1, a base 3 is bolted to the bottom of the heat exchanger 1, the front and rear sides of the base 3 are bolted to a clamping block 4, a fixing frame 5 is bolted to the surface of the heat exchanger 1, a sleeve 6 is bolted to the top of the fixing frame 5, a connecting pipe 7 is connected to the left and right sides of the top of the heat exchanger 1, and the top of the connecting pipe 7 is connected to the sleeve 6;

[0026] The fixing mechanism 2 includes a limit plate 201, a limit groove 202, a limit hole 203, a fixing hole 204 and a clamping tube 205. The limit plate 201 is clamped on the front and rear sides of the base 3, the limit groove 202 is opened on the front and rear sides of the limit plate 201, the limit hole 203 is opened on the top of the limit plate 201, the fixing hole 204 is opened on the left and right sides of the top of the limit plate 201, the clamping tube 205 is connected to the front and rear sides of the heat exchanger 1, and the clamping tube 205 is connected to the front and rear sides of the sleeve 6.

[0027] In this embodiment: by setting a fixing mechanism 2, the fixing mechanism 2 can support and limit the heat exchanger 1, and the heat exchanger 1 can convert cold fluid into hot fluid. The base 3 can support and limit the heat exchanger 1. The clamping block 4 can clamp the base 3 with the fixing mechanism 2. The fixing frame 5 can support and limit the sleeve 6. The connecting pipe 7 can enable the heat exchanger 1 to transfer the hot fluid to the inner side of the sleeve 6. The limiting plate 201 can clamp the same heat exchanger 1. The limiting groove 202 can clamp and limit the clamping block 4. The limiting hole 203 can be bolted after the clamping block 4 is clamped into the limiting groove 202. The fixing hole 204 can bolt the limiting plate 201 to the ground. The clamping tube 205 can facilitate the user to bolt the same heat exchanger 1 to the sleeve 6, thereby facilitating the user to install the sleeve 6 type heat exchanger 1 and also facilitating the user to maintain the sleeve 6 type heat exchanger 1 later.

[0028] As a technical optimization solution of the present invention, a heat insulating sleeve 8 is bolted to the bottom of the clamping tube 205 , and a side of the heat insulating sleeve 8 away from the clamping tube 205 is bolted to the inner side of the heat exchanger 1 .

[0029] In this embodiment, the heat insulating sleeve 8 is provided to prevent the pipe 205 from being overheated when the heat exchanger 1 is running for a long time, thereby preventing the pipe 205 from being damaged.

[0030] As a technical optimization solution of the present invention, a blocking block 9 is bolted to the top of the fixing frame 5 , and the side of the blocking block 9 away from the fixing frame 5 contacts the surface of the sleeve 6 .

[0031] In this embodiment, by providing the blocking block 9 , the stability of the bolt connection between the fixing frame 5 and the sleeve 6 can be further increased.

[0032] As a technical optimization solution of the present utility model, a connecting screw 10 is bolted to the surface of the limiting hole 203 , and the connecting screw 10 passes through the limiting plate 201 and is bolted to the clamping block 4 .

[0033] In this embodiment, by providing the connecting screw 10 , the limiting plate 201 and the clamping block 4 can be bolted together, thereby further increasing the stability between the limiting plate 201 and the clamping block 4 .

[0034] As a technical optimization solution of the utility model, a connection hole 11 is opened on the surface of the clamping tube 205, and the inner side of the connection hole 11 is coated with anti-corrosion paint.

[0035] In this embodiment: by providing the connection hole 11, the limit plate 201 can be bolted to the ground, and by providing an anti-corrosion coating, the connection hole 11 can be prevented from being exposed to the outside for a long time and thus corroding and rusting, causing the connecting screw 10 to be stuck in the connection hole 11 and unable to be removed.

[0036] As a technical optimization solution of the present utility model, an anti-skid pad 12 is bolted to the bottom of the limiting plate 201, and the surface of the anti-skid pad 12 is coated with an anti-corrosion paint.

[0037] In this embodiment, the anti-skid pad 12 is provided to increase the friction between the limit plate 201 and the ground, and the anti-corrosion coating is provided to prevent the anti-skid pad 12 from being corroded and rusted due to long-term contact with the ground.

[0038] As a technical optimization solution of the present invention, a sealing ring 13 is bolted to the bottom of the connecting pipe 7 , and the side of the sealing ring 13 away from the connecting pipe 7 is connected to the heat exchanger 1 .

[0039] In this embodiment, by providing the sealing ring 13 , the airtightness of the connection between the connecting pipe 7 and the heat exchanger 1 can be increased, thereby preventing the hot fluid from leaking from the connection point between the connecting pipe 7 and the heat exchanger 1 .

[0040] As a technical optimization solution of the present invention, an air-sealing pad 14 is bolted to the bottom of the clamping tube 205 , and a side of the air-sealing pad 14 away from the clamping tube 205 is bolted to the inner side of the heat exchanger 1 .

[0041] In this embodiment, the air-tight pad 14 is provided to prevent air leakage at the connection point between the card tube 205 and the heat exchanger 1 , thereby increasing the airtightness of the connection between the card tube 205 and the heat exchanger 1 .

[0042] Working principle: First, the user moves the limit plate 201 to the location where the heat exchanger 1 is to be installed, and bolts the limit plate 201 to the ground through the fixing hole 204. Then, the user snaps the clamping block 4 into the inner side of the limit slot 202, so that the heat exchanger 1 follows the clamping block 4 and snaps into the front side of the limit plate 201. Then, the user connects the screw 10 through the limit hole 203 and bolts it to the clamping block 4. After the bolting is completed, the user snaps the same heat exchanger 1 into the limit slot 202 on the rear side of the limit plate 201, and then bolts the connecting screw 10 into the rear side of the limit plate 201. After the heat exchanger 1 is fixed in the limiting hole 203, the user clamps the front heat exchanger 1 with the rear heat exchanger 1 through the clamping tube 205, and clamps the front sleeve 6 with the rear sleeve 6 through the clamping tube 205, so that the heat exchanger 1 circulates hot and cold fluids. Finally, when the user needs to maintain the heat exchanger 1, he only needs to take out the connecting screw 10 in the limiting hole 203, and the heat exchanger 1 can be maintained by pulling the clamping block 4 out of the limiting groove 202. After the maintenance is completed, the clamping block 4 can be inserted into the limiting groove 202 again.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shell-and-tube heat exchanger that is easy to install, comprising a heat exchanger (1) and a fixing mechanism (2), characterized in that: The fixing mechanism (2) is bolted to the bottom of the heat exchanger (1), the bottom of the heat exchanger (1) is bolted to a base (3), the front and rear sides of the base (3) are bolted to clamping blocks (4), the surface of the heat exchanger (1) is bolted to a fixing frame (5), the top of the fixing frame (5) is bolted to a sleeve (6), the left and right sides of the top of the heat exchanger (1) are connected to connecting pipes (7), and the top of the connecting pipe (7) is connected to the sleeve (6); The fixing mechanism (2) comprises a limit plate (201), a limit groove (202), a limit hole (203), a fixing hole (204) and a clamping tube (205); the limit plate (201) is clamped on the front and rear sides of the base (3); the limit groove (202) is provided on the front and rear sides of the limit plate (201); the limit hole (203) is provided on the top of the limit plate (201); the fixing hole (204) is provided on the left and right sides of the top of the limit plate (201); the clamping tube (205) is connected to the front and rear sides of the heat exchanger (1); and the clamping tube (205) is connected to the front and rear sides of the sleeve (6).

2. The easy-to-install shell-and-tube heat exchanger according to claim 1, characterized in that: A heat insulating sleeve (8) is bolted to the bottom of the clamping tube (205), and a side of the heat insulating sleeve (8) away from the clamping tube (205) is bolted to the inner side of the heat exchanger (1).

3. The easy-to-install shell-and-tube heat exchanger according to claim 1, characterized in that: A blocking block (9) is bolted to the top of the fixing frame (5), and a side of the blocking block (9) away from the fixing frame (5) is in contact with the surface of the sleeve (6).

4. The easy-to-install shell-and-tube heat exchanger according to claim 1, characterized in that: A connecting screw (10) is bolted to the surface of the limiting hole (203), and the connecting screw (10) passes through the limiting plate (201) and is bolted to the clamping block (4).

5. The easy-to-install shell-and-tube heat exchanger according to claim 1, characterized in that: A connection hole (11) is provided on the surface of the clamping tube (205), and the inner side of the connection hole (11) is coated with anti-corrosion paint.

6. The easy-to-install shell-and-tube heat exchanger according to claim 1, characterized in that: The bottom of the limiting plate (201) is bolted with an anti-skid pad (12), and the surface of the anti-skid pad (12) is coated with an anti-corrosion paint.

7. The easy-to-install shell-and-tube heat exchanger according to claim 1, characterized in that: A sealing ring (13) is bolted to the bottom of the connecting pipe (7), and the side of the sealing ring (13) away from the connecting pipe (7) is connected to the heat exchanger (1).

8. The easy-to-install shell-and-tube heat exchanger according to claim 1, characterized in that: An air-sealing pad (14) is bolted to the bottom of the clamping tube (205), and a side of the air-sealing pad (14) away from the clamping tube (205) is bolted to the inner side of the heat exchanger (1).

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