Shell-and-tube heat exchanger easy to clean

Abstract

The utility model relates to the technical field of shell-and-tube heat exchangers, and discloses an easy-to-clean shell-and-tube heat exchanger which comprises a shell, an installation disc is fixedly connected to the left side of the shell, an installation plate is slidably connected to the middle of the installation disc, and a heating pipe is fixedly connected to the right side of the installation plate. Disassembly assemblies are arranged on the front side and the rear side of the interior of the mounting disc and comprise push rods, the push rods are slidably connected to the interior of the mounting disc, a transverse plate is fixedly connected to one ends of the push rods, and rotating rods are rotatably connected to the upper end and the lower end of the transverse plate; the ends, away from the transverse plate, of the two rotating rods are rotationally connected with clamping blocks. According to the heating device, the rotating rods at the upper end and the lower end of the transverse plate correspondingly rotate, the rotating rods can drive the clamping blocks to move when rotating, when the clamping blocks are inserted into the mounting plate, the heating pipe can be fixed in the shell, and after the clamping blocks slide out of the mounting plate, the mounting plate and the heating plate can be taken out of the shell and rapidly replaced.

Description

Technical Field

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

[0002] Shell and tube heat exchanger is a kind of equipment used for industrial heat exchange, which consists of a shell and a tube bundle. The fluid flows through the tube bundle and the shell to achieve heat transfer. The fluid between the shell and the tube bundle can be divided into shell side and tube side. This design provides a high-efficiency heat exchange surface area and is often used in chemical, petroleum, food and other fields to control temperature or recover energy;

[0003] After searching, Chinese patent announcement No. CN215766615U discloses an easy-to-clean shell and tube heat exchanger, which discharges cleaning water to the interior of the second group of pipe boxes by turning on the water pump. The cleaning water entering the interior of the second group of pipe boxes is transported by multiple groups of nozzles and sprayed onto the inner wall of the chamber and the outer wall of the heat exchange tube respectively. By setting multiple groups of nozzles, the cleaning effect of the interior of the chamber is improved, the cleaning dead corners are reduced, the cleaning efficiency of scale is improved, and the practicality of the device is improved; it includes a bracket, a water tank, a pipe box, a flange, a first partition, a second partition, an oil inlet pipe, an oil drain pipe, a heat exchange tube, a drain pipe, a water inlet pipe, a third partition, a nozzle and a water pump. The top end of the bracket is connected to the bottom end of the water tank, a chamber is arranged in the water tank, multiple groups of water baffles are arranged inside the chamber, a sewage discharge device is arranged at the bottom end of the chamber, and openings are respectively arranged at the left and right ends of the chamber, and the openings are both connected to the chamber.

[0004] The above device can only perform simple cleaning by spraying cleaning water through the nozzle to clean the chamber, and the dirt remaining on the inner wall of the chamber needs further processing, and the heating tube of the above device cannot be replaced quickly, so when the heating tube needs to be replaced, it takes more time. Therefore, an easy-to-clean shell and tube heat exchanger is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an easy-to-clean shell and tube heat exchanger, aiming to improve the problem in the prior art that the chamber can only be cleaned simply by spraying cleaning water from a nozzle, and the heating tube cannot be quickly replaced.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The heat exchanger of the present invention is easy to clean and comprises a shell, a mounting plate is fixedly connected to the left side of the shell, a mounting plate is slidably connected to the middle part of the mounting plate, a heating tube is fixedly connected to the right side of the mounting plate, a disassembly assembly is arranged on the front and rear sides of the interior of the mounting plate, and the disassembly assembly comprises a push rod, the push rod is slidably connected to the interior of the mounting plate, one end of the push rod is fixedly connected to a cross plate, the upper and lower ends of the cross plate are rotatably connected to a rotating rod, and the ends of the two rotating rods away from the cross plate are rotatably connected to a clamping block, the end of the cross plate away from the push rod is fixedly connected to a spring 1, the interior of the cross plate is slidably connected to a sliding rod 1, the end of the sliding rod 1 away from the cross plate is fixedly connected to a positioning plate, and the right side driving assembly of the shell;

[0008] As a further description of the above technical solution:

[0009] The driving assembly includes a protective shell, the protective shell is fixedly connected to the right side of the housing, an electric telescopic rod is fixedly connected inside the protective shell, and a cleaning assembly is provided at the left end of the electric telescopic rod;

[0010] As a further description of the above technical solution:

[0011] The cleaning assembly comprises a cleaning disc, the cleaning disc is fixedly connected to the left end of the electric telescopic rod, a plurality of evenly distributed brush heads are slidably connected inside the cleaning disc, a second spring is fixedly connected to one end of the brush head close to the cleaning disc, a second slide bar is slidably connected inside the brush head, and two limit blocks are fixedly connected to the outer periphery of the brush head;

[0012] As a further description of the above technical solution:

[0013] The upper and lower sides of the interior of the mounting plate are fixedly connected to support rods, and the interiors of the two clamping blocks are slidably connected to the outer circumferences of the two support rods respectively;

[0014] As a further description of the above technical solution:

[0015] One end of the brush head away from the cleaning disc is slidably connected to the inside of the housing;

[0016] As a further description of the above technical solution:

[0017] The bottom of the shell is fixedly connected to two supporting feet, and the bottoms of the two supporting feet are fixedly connected to a supporting plate;

[0018] As a further description of the above technical solution:

[0019] One end of the push rod away from the transverse plate is fixedly connected with a push plate.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the push rod drives the horizontal plate to move, so that the rotating rods at the upper and lower ends of the horizontal plate rotate accordingly, and the rotating rod can drive the card block to move when rotating. When the card block is inserted into the mounting plate, the heating tube can be fixed in the shell. When the card block slides out of the mounting plate, the mounting plate and the heating plate can be taken out of the shell for rapid replacement.

[0022] 2. In the utility model, the movement of the cleaning disc is controlled by an electric push rod, and the brush on the outer periphery of the cleaning disc can clean the inner wall of the shell, and the spring 2 inside the cleaning disc can provide elastic support for the brush, so that the shell can be fully cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional schematic diagram of an easy-to-clean shell and tube heat exchanger proposed by the utility model;

[0024] Figure 2 This is a schematic structural diagram of a protective shell of an easy-to-clean shell and tube heat exchanger proposed by the utility model;

[0025] Figure 3 This is a structural schematic diagram of a heating tube of an easy-to-clean shell and tube heat exchanger proposed by the utility model;

[0026] Figure 4 This is a structural schematic diagram of a block of an easy-to-clean shell and tube heat exchanger proposed by the utility model;

[0027] Figure 5 The utility model is a schematic structural diagram of an easy-to-clean brush for a shell and tube heat exchanger.

[0028] Legend:

[0029] 1. Shell; 2. Support feet; 3. Support plate; 4. Mounting plate; 5. Mounting plate; 6. Push plate; 7. Push rod; 8. Horizontal plate; 9. Rotating rod; 10. Block; 11. Support rod; 12. Sliding rod 1; 13. Spring 1; 14. Positioning plate; 15. Heating tube; 16. Protective shell; 17. Electric telescopic rod; 18. Cleaning plate; 19. Brush head; 20. Limit block; 21. Sliding rod 2; 22. Spring 2. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 - Figure 5 , the utility model provides an embodiment: an easy-to-clean shell and tube heat exchanger, including a shell 1, a mounting disk 4 is fixedly connected to the left side of the shell 1, a mounting plate 5 is slidably connected to the middle of the mounting disk 4, a heating tube 15 is fixedly connected to the right side of the mounting plate 5, the mounting plate 5 is used to fix the heating tube 15, the heating tube 15 is used for heat exchange, and a disassembly component is provided on both the front and rear sides of the interior of the mounting disk 4, the disassembly component includes a push rod 7, the push rod 7 is slidably connected to the interior of the mounting disk 4, one end of the push rod 7 is fixedly connected to a cross plate 8, the push rod 7 is used to control the movement of the cross plate 8, the upper and lower ends of the cross plate 8 are rotatably connected to a rotating rod 9, the ends of the two rotating rods 9 away from the cross plate 8 are rotatably connected to a card block 10, the rotating rod 9 is used to connect the card block 10 and the cross plate 8, The end of the plate 8 away from the push rod 7 is fixedly connected with a spring 13, and the inside of the cross plate 8 is slidably connected with a slide rod 12, and the end of the slide rod 12 away from the cross plate 8 is fixedly connected with a positioning plate 14, and the slide rod 12 is used to guide the movement of the cross plate 8, and the spring 13 is used to provide elastic support, and the positioning plate 14 is used to fix the position of the slide rod 12. The right side driving component of the shell 1, the upper and lower sides of the inside of the mounting plate 4 are fixedly connected with support rods 11, and the insides of the two blocks 10 are respectively slidably connected to the outer periphery of the two support rods 11, and the support rods 11 are used to guide the blocks 10 to slide, and the bottom of the shell 1 is fixedly connected with two supporting feet 2, and the bottoms of the two supporting feet 2 are fixedly connected with a support plate 3, and the end of the push rod 7 away from the cross plate 8 is fixedly connected with a push plate 6.

[0032] Reference Figure 1 - Figure 5The driving assembly includes a protective shell 16, which is fixedly connected to the right side of the shell 1. An electric telescopic rod 17 is fixedly connected inside the protective shell 16. The protective shell 16 is used to protect the electric telescopic rod 17 inside. A cleaning assembly is provided at the left end of the electric telescopic rod 17. The cleaning assembly includes a cleaning disk 18, which is fixedly connected to the left end of the electric telescopic rod 17. A plurality of evenly distributed brush heads 19 are slidably connected inside the cleaning disk 18. The brush head 19 is used to clean the inside of the shell 1. A spring 22 is fixedly connected to one end of the brush head 19 close to the cleaning disk 18. The spring 22 is used to provide elastic support. A slide rod 21 is slidably connected inside the brush head 19. The slide rod 21 is used to guide the brush head 19 to slide. Two limit blocks 20 are fixedly connected to the outer periphery of the brush head 19. The limit blocks 20 are used to limit the moving range of the brush head 19. The end of the brush head 19 away from the cleaning disk 18 is slidably connected to the inside of the shell 1.

[0033] Working principle: when it is necessary to clean the shell 1, first press the push plate 6, the push rod 7 drives the cross plate 8 to move along the slide rod 12 toward the mounting plate 5 and squeezes the spring 13. When the cross plate 8 moves, the two rotating rods 9 will rotate in the opposite direction. When the two rotating rods 9 rotate in the opposite direction, the two blocking blocks 10 slide out from the inside of the mounting plate 5, so that the mounting plate 5 can be removed from the inside of the mounting plate 4. Then, start the electric telescopic rod 17, and the electric telescopic rod 17 telescopically moves. When the electric telescopic rod 17 is telescopic, the cleaning disk 18 at the left end of the electric telescopic rod 17 will slide inside the shell 1, and the brush head 19 on the outer periphery of the cleaning disk 18 will slide along the inner wall of the shell 1 to clean the inner wall of the shell 1.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An easy-to-clean shell and tube heat exchanger, comprising a shell (1), characterized in that: The left side of the shell (1) is fixedly connected with a mounting plate (4), the middle part of the mounting plate (4) is slidably connected with a mounting plate (5), the right side of the mounting plate (5) is fixedly connected with a heating tube (15), and the front and rear sides of the interior of the mounting plate (4) are provided with disassembly components, and the disassembly components include a push rod (7), the push rod (7) is slidably connected to the interior of the mounting plate (4), one end of the push rod (7) is fixedly connected with a cross plate (8), the upper and lower ends of the cross plate (8) are rotatably connected with a rotating rod (9), the ends of the two rotating rods (9) away from the cross plate (8) are rotatably connected with a clamping block (10), the end of the cross plate (8) away from the push rod (7) is fixedly connected with a spring (13), the interior of the cross plate (8) is slidably connected with a sliding rod (12), and the end of the sliding rod (12) away from the cross plate (8) is fixedly connected with a positioning plate (14), and the right side driving component of the shell (1).

2. The easy-to-clean shell and tube heat exchanger according to claim 1, characterized in that: The driving assembly comprises a protective shell (16), the protective shell (16) is fixedly connected to the right side of the housing (1), an electric telescopic rod (17) is fixedly connected inside the protective shell (16), and a cleaning assembly is provided at the left end of the electric telescopic rod (17).

3. The easy-to-clean shell and tube heat exchanger according to claim 2, characterized in that: The cleaning assembly comprises a cleaning disc (18), the cleaning disc (18) being fixedly connected to the left end of the electric telescopic rod (17), a plurality of evenly distributed brush heads (19) being slidably connected inside the cleaning disc (18), a second spring (22) being fixedly connected to one end of the brush head (19) close to the cleaning disc (18), a second slide rod (21) being slidably connected inside the brush head (19), and two limit blocks (20) being fixedly connected to the outer periphery of the brush head (19).

4. The easy-to-clean shell and tube heat exchanger according to claim 1, characterized in that: Support rods (11) are fixedly connected to the upper and lower sides of the interior of the installation plate (4), and the interiors of the two clamping blocks (10) are respectively slidably connected to the outer circumferences of the two support rods (11).

5. The easy-to-clean shell and tube heat exchanger according to claim 3, characterized in that: One end of the brush head (19) away from the cleaning disc (18) is slidably connected to the interior of the housing (1).

6. The easy-to-clean shell and tube heat exchanger according to claim 1, characterized in that: Two supporting legs (2) are fixedly connected to the bottom of the shell (1), and a supporting plate (3) is fixedly connected to the bottom of the two supporting legs (2).

7. The easy-to-clean shell and tube heat exchanger according to claim 1, characterized in that: One end of the push rod (7) away from the transverse plate (8) is fixedly connected to a push plate (6).

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