Shell-and-tube heat exchanger cleaning device

Abstract

The utility model provides a shell-and-tube heat exchanger cleaning device, and belongs to the technical field of shell-and-tube heat exchanger cleaning. The shell-and-tube heat exchanger cleaning device comprises a shell, a cleaning mechanism comprises a motor, the motor is fixed to the top of the shell, a fixing shaft is fixedly installed at the output end of the motor, and a main gear is arranged on the surface of the fixing shaft; through mutual cooperation of the shell, the motor, the fixing shaft, the main gear, the auxiliary gear, the lead screw, the cleaning ring and the cleaning brush, firstly, the motor is started to drive the fixing shaft to rotate, the fixing shaft drives the main gear to rotate, the main gear and the auxiliary gear are meshed to drive the fixing rod to rotate, and the fixing rod drives the lead screw to rotate; the lead screw drives the cleaning ring to move in the shell, and when the cleaning ring moves, the cleaning brush is driven to move synchronously, so that water scale in the shell of the shell-and-tube heat exchanger can be cleaned, and the heat exchange effect of the shell-and-tube heat exchanger is improved.

Description

Technical Field

[0001] The utility model relates to the field of cleaning of shell and tube heat exchangers, in particular to a cleaning device for shell and tube heat exchangers. Background Art

[0002] Shell and tube heat exchanger cleaning devices are used to clean the heat transfer surface between the tube and the shell to maintain efficient heat transfer. They include a brush that rotates through the heat transfer surface between the tube and the shell to remove dirt and deposits attached to the surface. The equipment may have a remote monitoring function that allows operators to monitor and control the cleaning process through a remote system. This cleaning device is designed to improve the efficiency of shell and tube heat exchangers, extend equipment life, and reduce the need for maintenance work.

[0003] In the specific cleaning of the shell and tube heat exchanger, scale will appear on the inner wall of the shell and tube heat exchanger after being used for a period of time, which is difficult to clean, resulting in obstruction of fluid circulation and poor heat exchange effect. In addition, the shell and tube heat exchanger is generally placed on the ground, which is not convenient for the operator to clean the scale, thereby affecting the heat exchange efficiency. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a shell and tube heat exchanger cleaning device that overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a shell and tube heat exchanger cleaning device, comprising a shell,

[0007] A cleaning mechanism, the cleaning mechanism comprising a motor, the motor being fixed to the top of the housing, a fixed shaft being fixedly mounted on the output end of the motor, a main gear being arranged on the surface of the fixed shaft, a fixed rod being arranged inside the housing, a sub-gear being arranged on the surface of the fixed rod, a lead screw being arranged at one end of the fixed rod, a cleaning ring being arranged on the surface of the lead screw, and a cleaning brush being arranged on the circumference of the cleaning ring;

[0008] The support frame is arranged at the bottom of the shell, and the bottom of the shell is provided with a shell-side outlet.

[0009] In a preferred solution, a limiting groove is provided inside the housing, and the main gear and the auxiliary gear are both arranged inside the limiting groove.

[0010] In a preferred solution, a shell-side inlet is provided at the top of the shell, and the main gear is meshed with the auxiliary gear.

[0011] In a preferred solution, a heat exchanger is disposed inside the shell, and a heat exchange tube is disposed on one side of the heat exchanger.

[0012] In a preferred solution, the fixing rod is arranged on one side of the inner cavity of the heat exchanger, and the cleaning ring slides on the surface of the heat exchange tube.

[0013] In a preferred solution, a bearing sleeve is provided in the inner cavity on the other side of the heat exchanger, and the bearing sleeve is connected to the screw rod.

[0014] In a preferred solution, a pipeline inlet is provided on one side of the shell, and a pipeline outlet is provided on the other side of the shell.

[0015] In a preferred solution, a mounting groove is provided on the circumferential surface of the cleaning ring, the cleaning brush is arranged inside the mounting groove, and a valve is provided on the surface of the shell side outlet.

[0016] The utility model provides a shell and tube heat exchanger cleaning device, and its beneficial effects include:

[0017] 1. Through the cooperation of the shell, motor, fixed shaft, main gear, sub gear, screw, cleaning ring and cleaning brush, first start the motor to drive the fixed shaft to rotate, the fixed shaft drives the main gear to rotate, the main gear and sub gear are engaged to drive the fixed rod to rotate, the fixed rod drives the screw to rotate, the screw drives the cleaning ring to move inside the shell, and when the cleaning ring moves, it drives the cleaning brush to move synchronously, so that the scale inside the shell of the shell and tube heat exchanger can be cleaned, and the heat exchange effect of the shell and tube heat exchanger can be improved.

[0018] 2. Through the cooperation of the support frame, valve and shell, when the operator needs to clean the scale inside the shell of the shell and tube heat exchanger, the operator can use the support frame to support the shell of the shell and tube heat exchanger, and then control the valve on the shell outlet surface to discharge the scale inside the shell of the shell and tube heat exchanger, which is convenient for the operator to clean the scale and easy for the operator to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is an overall stereogram provided by the embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the top structure of the housing provided by the embodiment of the utility model when viewed from above;

[0022] Figure 3 A schematic diagram of a shell cross-section structure provided for an embodiment of the utility model;

[0023] Figure 4 The utility model embodiment provides Figure 3 The enlarged view of point A in the middle;

[0024] In the figure: 1. cleaning mechanism; 11. housing; 12. motor; 13. fixed shaft; 14. main gear; 15. limit groove; 16. fixed rod; 17. auxiliary gear; 18. screw rod; 19. cleaning ring; 2. heat exchanger; 21. heat exchange tube; 22. pipeline inlet; 23. shell side inlet; 24. pipeline outlet; 25. support frame; 26. shell side outlet; 27. mounting groove; 28. cleaning brush; 29. ​​bearing sleeve. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] Reference Figure 1-Figure 4The utility model provides a technical solution: a shell and tube heat exchanger cleaning device, comprising a shell 11, a cleaning mechanism 1 and a support frame 25, the cleaning mechanism 1 is a mechanism that can clean the scale inside the shell 11, the cleaning mechanism 1 comprises a motor 12, the motor 12 is fixed to the top of the shell 11, the output end of the motor 12 is fixedly installed with a fixed shaft 13, the surface of the fixed shaft 13 is provided with a main gear 14, the inside of the shell 11 is provided with a fixed rod 16, the surface of the fixed rod 16 is provided with a sub-gear 17, one end of the fixed rod 16 is provided with a screw rod 18, the surface of the screw rod 18 is provided with a cleaning ring 19, and the circumference of the cleaning ring 19 is provided with a cleaning brush 28, through the shell 11, the motor 12, the fixed shaft 13, the main gear 14, the fixed rod 16 is provided with a sub-gear 17 ... The gear 14, the sub-gear 17, the screw 18, the cleaning ring 19 and the cleaning brush 28 cooperate with each other, so that when the operator needs to clean the scale inside the shell 11 of the shell and tube heat exchanger, the operator can start the motor 12, the motor 12 drives the fixed shaft 13 to rotate, the fixed shaft 13 drives the main gear 14 to rotate, the main gear 14 and the sub-gear 17 are engaged to drive the fixed rod 16 to rotate, the fixed rod 16 drives the screw 18 to rotate, the screw 18 drives the cleaning ring 19 to move inside the shell 11, and when the cleaning ring 19 moves, it drives the cleaning brush 28 to move synchronously, so that the scale inside the shell 11 of the shell and tube heat exchanger can be cleaned, thereby improving the heat exchange effect of the shell and tube heat exchanger.

[0028] Reference Figure 1-Figure 4 In a preferred embodiment, a support frame 25 is arranged at the bottom of the shell 11, a shell outlet 26 is arranged at the bottom of the shell 11, a limiting groove 15 is provided inside the shell 11, and the limiting groove 15 is provided so that the main gear 14 and the sub-gear 17 can be meshed and connected, the main gear 14 and the sub-gear 17 are both arranged inside the limiting groove 15, a shell inlet 23 is provided at the top of the shell 11, the main gear 14 and the sub-gear 17 are meshed and connected, a heat exchanger 2 is arranged inside the shell 11, a heat exchange tube 21 is arranged on one side of the heat exchanger 2, a fixing rod 16 is arranged on one side of the inner cavity of the heat exchanger 2, a cleaning ring 19 slides on the surface of the heat exchange tube 21, and by sliding the cleaning ring 19 on the surface of the heat exchange tube 21, the stability of the cleaning brush 28 can be improved, thereby improving the cleaning effect of the cleaning brush 28 on scale.

[0029] Reference Figure 1-Figure 4In a preferred embodiment, a bearing sleeve 29 is provided in the inner cavity on the other side of the heat exchanger 2, and the bearing sleeve 29 is connected to the screw rod 18. A pipe inlet 22 is provided on one side of the shell 11, and a pipe outlet 24 is provided on the other side of the shell 11. A mounting groove 27 is provided on the circumferential surface of the cleaning ring 19. By providing the mounting groove 27, a cleaning brush 28 can be placed. The cleaning brush 28 is arranged inside the mounting groove 27. A valve is provided on the surface of the shell outlet 26. By providing the valve, the shell outlet 26 can be controlled. Through the mutual cooperation of the support frame 25, the valve and the shell 11, when the operator needs to clean the scale inside the shell 11 of the shell and tube heat exchanger, the operator can support the shell and tube heat exchanger shell 11 by using the support frame 25, and then control the valve on the surface of the shell outlet 26, so that the scale inside the shell and tube heat exchanger shell 11 can be discharged, which is convenient for the operator to clean the scale and convenient for the operator to use.

[0030] Specifically, the working process or working principle of the shell and tube heat exchanger cleaning device is as follows: in the specific cleaning of the shell and tube heat exchanger, scale will appear on the inner wall of the shell and tube heat exchanger after a period of use, which is not convenient for cleaning, resulting in obstruction of fluid circulation and poor heat exchange effect. In addition, the shell and tube heat exchanger is generally placed on the ground, which is not convenient for the operator to clean the scale, thereby affecting the heat exchange efficiency. Therefore, the technical solution can solve the above problems. When the operator needs to clean the scale inside the shell 11 of the shell and tube heat exchanger, the operator can start the motor 12, the motor 12 drives the fixed shaft 13 to rotate, the fixed shaft 13 drives the main gear 14 to rotate, and the main gear 14 engages with the sub-gear 17 to drive the fixed rod 16 to rotate. The fixing rod 16 drives the screw rod 18 to rotate, and the screw rod 18 drives the cleaning ring 19 to move inside the shell 11. When the cleaning ring 19 moves, it drives the cleaning brush 28 to move synchronously, so that the scale inside the shell 11 of the shell of the shell and tube heat exchanger can be cleaned, and the heat exchange effect of the shell and tube heat exchanger can be improved. When the operator needs to clean the scale inside the shell 11 of the shell of the shell and tube heat exchanger, the operator can use the support frame 25 to support the shell 11 of the shell and tube heat exchanger, and then control the valve on the surface of the shell outlet 26, so that the scale inside the shell 11 of the shell of the shell and tube heat exchanger can be discharged, which is convenient for the operator to clean the scale and convenient for the operator to use. At this point, all processes are completed.

[0031] It should be noted that the motor 12 and the heat exchanger 2 are both electrically connected to an external power supply and are devices or equipment existing in the prior art, or are devices or equipment that can be realized in the prior art. Their power supply, specific composition and principles are clear to those skilled in the art, so they will not be described in detail.

Claims

1. A shell and tube heat exchanger cleaning device, comprising a shell (11), characterized in that: A cleaning mechanism (1), the cleaning mechanism (1) comprising a motor (12), the motor (12) being fixed to the top of a housing (11), a fixed shaft (13) being fixedly mounted on the output end of the motor (12), a main gear (14) being arranged on the surface of the fixed shaft (13), a fixed rod (16) being arranged inside the housing (11), a sub-gear (17) being arranged on the surface of the fixed rod (16), a screw rod (18) being arranged at one end of the fixed rod (16), a cleaning ring (19) being arranged on the surface of the screw rod (18), and a cleaning brush (28) being arranged on the circumference of the cleaning ring (19); A support frame (25) is arranged at the bottom of the shell (11), and a shell-side outlet (26) is arranged at the bottom of the shell (11).

2. A shell and tube heat exchanger cleaning device according to claim 1, characterized in that: A limiting groove (15) is provided inside the housing (11), and the main gear (14) and the auxiliary gear (17) are both arranged inside the limiting groove (15).

3. A shell and tube heat exchanger cleaning device according to claim 2, characterized in that: A shell-side inlet (23) is provided at the top of the housing (11), and the main gear (14) is meshingly connected with the auxiliary gear (17).

4. A shell and tube heat exchanger cleaning device according to claim 3, characterized in that: A heat exchanger (2) is arranged inside the shell (11), and a heat exchange tube (21) is arranged on one side of the heat exchanger (2).

5. A shell and tube heat exchanger cleaning device according to claim 4, characterized in that: The fixing rod (16) is arranged on one side of the inner cavity of the heat exchanger (2), and the cleaning ring (19) slides on the surface of the heat exchange tube (21).

6. A shell and tube heat exchanger cleaning device according to claim 5, characterized in that: A bearing sleeve (29) is provided in the inner cavity on the other side of the heat exchanger (2), and the bearing sleeve (29) is connected to the screw rod (18).

7. A shell and tube heat exchanger cleaning device according to claim 6, characterized in that: A pipeline inlet (22) is provided on one side of the shell (11), and a pipeline outlet (24) is provided on the other side of the shell (11).

8. A shell and tube heat exchanger cleaning device according to claim 7, characterized in that: The circumferential surface of the cleaning ring (19) is provided with a mounting groove (27), the cleaning brush (28) is arranged inside the mounting groove (27), and the surface of the shell side outlet (26) is provided with a valve.

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