Automatic cleaning device for heat exchanger tube nest

Abstract

The invention discloses an automatic cleaning device for heat exchanger tube nests, and belongs to the technical field of heat exchanger pipeline cleaning, the automatic cleaning device comprises a heat exchanger tube nest cleaning table, the bottom surface of the heat exchanger tube nest cleaning table is fixedly communicated with a water storage tank, and the upper surface of the heat exchanger tube nest cleaning table is provided with annularly arranged heat exchanger tube nest limiting grooves; the upper surface of the heat exchanger tube nest cleaning table is fixedly connected with a powerful water pump, and a water storage tank, a heat exchanger tube nest limiting groove, the powerful water pump, a water inlet pipe, a water outlet pipe, a spray head, a round pipe, a sliding rod, a supporting beam, a first servo motor, a supporting plate, a second bearing, a lead screw, a limiting plate, a stabilizing plate, a threaded hole and a second servo motor are matched; according to the heat exchanger tube nest cleaning device, the multiple heat exchanger tube nests can be placed at the same time, the multiple heat exchanger tube nests can be automatically cleaned through the device, and therefore the cleaning efficiency of the device on the heat exchanger tube nests is improved, and the heat exchanger tube nests can be protected through the arrangement of the heat exchanger tube nest protection pad.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchanger pipe cleaning, in particular to an automatic cleaning device for heat exchanger tubes. Background Art

[0002] Shell and tube heat exchanger is a common type of heat exchange equipment. Due to its advantages of low pressure drop, low price, compact structure and long life, it is widely used in many industries such as food, chemical industry, biomedicine, plant extraction and fermentation. Traditional shell and tube heat exchanger heating tubes are mostly rectangular, which cannot reasonably arrange the heating tubes to maximize the heat exchange area.

[0003] However, the cleaning method of the shell and tube heat exchanger is very troublesome, and requires manual operation with a high-pressure water gun to spray each heating tube in a high-temperature, high-humidity or high-risk environment. The labor intensity of the workers is high and the work efficiency is low. There are great safety hazards and it is a huge waste of human resources. Therefore, technical personnel in this field provide an automatic cleaning device for the shell and tube of a heat exchanger to solve the problems raised in the above background technology. Summary of the invention

[0004] The object of the present invention is to provide an automatic cleaning device for heat exchanger tubes to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The heat exchanger tube automatic cleaning device comprises a heat exchanger tube cleaning platform, the bottom surface of the heat exchanger tube cleaning platform is fixedly connected to a water storage tank, the upper surface of the heat exchanger tube cleaning platform is provided with a ring-shaped heat exchanger tube limiting groove, the upper surface of the heat exchanger tube cleaning platform is fixedly connected to a powerful water pump, the input end of the powerful water pump is fixedly connected to a water inlet pipe, the output end of the powerful water pump is fixedly connected to a water outlet pipe, the end of the water outlet pipe away from the powerful water pump is fixedly connected to a nozzle, the end of the water inlet pipe away from the powerful water pump passes through the heat exchanger tube cleaning platform and is placed inside the water storage tank, the upper surface of the heat exchanger tube cleaning platform is fixedly inlaid with a first bearing, the inner ring of the first bearing is fixedly connected to a round tube, the interior of the round tube is sleeved with a sliding rod, the outer surface of the sliding rod is fixedly connected to a support beam, and the bottom surface of the heat exchanger tube cleaning platform is fixedly connected to a first servo motor.

[0007] As a further solution of the present invention: the output end of the first servo motor is fixedly connected to the round tube, the water outlet pipe passes through the support beam and extends to the bottom of the support beam, and the water outlet pipe is made of a retractable material.

[0008] As a further solution of the present invention: a support plate is fixedly connected to the outer surface of the circular tube, and a second bearing is fixedly embedded on the upper surface of the support plate.

[0009] As a further solution of the present invention: the inner ring of the second bearing is fixedly connected with a screw rod, and the top end of the screw rod is fixedly connected with a limit plate.

[0010] As a further solution of the present invention: a stabilizing plate is fixedly connected to the top end of the sliding rod, a threaded hole is provided on the upper surface of the stabilizing plate, and the stabilizing plate is threadedly connected to the screw rod.

[0011] As a further solution of the present invention: a second servo motor is fixedly connected to the bottom surface of the support plate, and an output end of the second servo motor is fixedly connected to the lead screw.

[0012] As a further solution of the present invention: the bottom surface of the water storage tank is fixedly connected with a drain pipe, the outer surface of the drain pipe is installed with a valve, and the upper surface of the heat exchanger tube cleaning station is provided with a water inlet.

[0013] As a further solution of the present invention: the bottom surface of the heat exchanger tube cleaning table is fixedly connected with annularly arranged support legs, the bottom end of each support leg is fixedly connected with a base, and the inner wall of each heat exchanger tube limiting groove is fixedly connected with a heat exchanger tube protection pad.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The automatic cleaning device for heat exchanger tubes, through the cooperation of a water storage tank, a heat exchanger tube limiting groove, a powerful water pump, a water inlet pipe, a water outlet pipe, a nozzle, a round pipe, a sliding rod, a support beam, a first servo motor, a support plate, a second bearing, a screw rod, a limiting plate, a stabilizing plate, a threaded hole and a second servo motor, can not only enable the equipment to place multiple heat exchanger tubes at the same time, but also enable the equipment to automatically clean multiple heat exchanger tubes, thereby greatly increasing the cleaning efficiency of the equipment for the heat exchanger tubes. The provision of the heat exchanger tube protection pad can protect the heat exchanger tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of an automatic cleaning device for heat exchanger tubes;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a bottom view of an automatic cleaning device for heat exchanger tubes;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of a side view of an automatic cleaning device for heat exchanger tubes;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of a top view of an automatic cleaning device for heat exchanger tubes;

[0020] Figure 5 The present invention is a top-sectional view of a heat exchanger tube cleaning station in an automatic heat exchanger tube cleaning device.

[0021] In the figure: 1. Heat exchanger tube cleaning table; 2. Water storage tank; 3. Heat exchanger tube limiting groove; 4. Powerful water pump; 5. Water inlet pipe; 6. Water outlet pipe; 7. Nozzle; 8. Round pipe; 9. Sliding rod; 10. Support beam; 11. First servo motor; 12. Support plate; 13. Second bearing; 14. Screw; 15. Limiting plate; 16. Stabilizing plate; 17. Threaded hole; 18. Second servo motor; 19. Drain pipe; 20. Valve; 21. Support leg; 22. Base; 23. Water inlet; 24. Heat exchanger tube protection pad; 25. First bearing. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "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 limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0024] See also Figures 1 to 5In an embodiment of the present invention, an automatic cleaning device for heat exchanger tubes includes a heat exchanger tube cleaning platform 1, the bottom surface of the heat exchanger tube cleaning platform 1 is fixedly connected to a water storage tank 2, the upper surface of the heat exchanger tube cleaning platform 1 is provided with a ring-shaped heat exchanger tube limiting groove 3, the upper surface of the heat exchanger tube cleaning platform 1 is fixedly connected to a powerful water pump 4, the input end of the powerful water pump 4 is fixedly connected to a water inlet pipe 5, the output end of the powerful water pump 4 is fixedly connected to a water outlet pipe 6, the end of the water outlet pipe 6 away from the powerful water pump 4 is fixedly connected to a nozzle 7, the end of the water inlet pipe 5 away from the powerful water pump 4 passes through the heat exchanger tube cleaning platform 1 and is placed inside the water storage tank 2, the upper surface of the heat exchanger tube cleaning platform 1 A first bearing 25 is fixedly embedded on the surface, the inner ring of the first bearing 25 is fixedly connected to a round tube 8, the interior of the round tube 8 is sleeved with a slide rod 9, the outer surface of the slide rod 9 is fixedly connected to a support beam 10, and the bottom surface of the heat exchanger tube cleaning station 1 is fixedly connected to a first servo motor 11, so that the equipment can automatically clean multiple heat exchanger tubes, greatly increasing the cleaning efficiency of the equipment for the heat exchanger tubes, thereby solving the problem that the cleaning method of the shell and tube heat exchanger is very troublesome, and it is necessary to manually hold a high-pressure water gun to spray each heating tube in a high temperature, high humidity or high-risk environment. The labor intensity of the workers is high and the work efficiency is low, there are great safety hazards and it is a huge waste of human resources.

[0025] The output end of the first servo motor 11 is fixedly connected to the round tube 8, the water outlet pipe 6 passes through the support beam 10 and extends to the bottom of the support beam 10, the water outlet pipe 6 is made of retractable material, the outer surface of the round tube 8 is fixedly connected to a support plate 12, the upper surface of the support plate 12 is fixedly inlaid with a second bearing 13, the inner ring of the second bearing 13 is fixedly connected to a screw rod 14, the top end of the screw rod 14 is fixedly connected to a limiting plate 15, the top end of the sliding rod 9 is fixedly connected to a stabilizing plate 16, the upper surface of the stabilizing plate 16 is provided with a threaded hole 17, the stabilizing plate 16 is threadedly connected to the screw rod 14, so that the equipment can automatically clean the heat exchanger tubes, thereby greatly improving the cleaning efficiency of the equipment for the heat exchanger tubes.

[0026] A second servo motor 18 is fixedly connected to the bottom surface of the support plate 12, and the output end of the second servo motor 18 is fixedly connected to the screw rod 14. A drain pipe 19 is fixedly connected to the bottom surface of the water tank 2, and a valve 20 is installed on the outer surface of the drain pipe 19. A water inlet 23 is opened on the upper surface of the heat exchanger tube cleaning station 1, and a ring-arranged support leg 21 is fixedly connected to the bottom surface of the heat exchanger tube cleaning station 1. The bottom end of each support leg 21 is fixedly connected to a base 22, and the inner wall of each heat exchanger tube limiting groove 3 is fixedly connected to a heat exchanger tube protection pad 24, which can not only support the equipment but also protect the heat exchanger tubes.

[0027] The working principle of the present invention is: first, people can place the heat exchanger tubes inside the heat exchanger tube limit grooves 3 respectively, and then adjust the intermittent rotation time of the first servo motor 11 and the second servo motor 18. The first servo motor 11 can drive the round tube 8 and the slide rod 9 to rotate. When the nozzle 7 rotates to the top of the heat exchanger tube, it stops rotating and starts the powerful water pump 4. The powerful water pump 4 can transport the cleaning liquid inside the water tank 2 to the inside of the water outlet pipe 6 and spray it through the nozzle 7. Then, the forward rotation of the second servo motor 18 drives the screw rod 14 to rotate. The screw rod 14 can drive the support beam 10 and the nozzle 7 to move down to the inside of the heat exchanger tube. During the downward movement, the nozzle 7 can clean the heat exchanger tube. When the nozzle 7 moves to the bottom of the heat exchanger tube, the second servo motor 18 rotates in the opposite direction and drives the nozzle 7 to leave the heat exchanger tube. Repeating the above steps can complete the automatic cleaning operation of the heat exchanger tube.

[0028] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the present invention shall make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention, which shall be covered within the protection scope of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and 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. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic cleaning device for heat exchanger tubes, comprising a heat exchanger tube cleaning station (1), characterized in that: The bottom surface of the heat exchanger tube cleaning platform (1) is fixedly connected to a water storage tank (2); the upper surface of the heat exchanger tube cleaning platform (1) is provided with annularly arranged heat exchanger tube limiting grooves (3); the upper surface of the heat exchanger tube cleaning platform (1) is fixedly connected to a powerful water pump (4); the input end of the powerful water pump (4) is fixedly connected to a water inlet pipe (5); the output end of the powerful water pump (4) is fixedly connected to a water outlet pipe (6); the end of the water outlet pipe (6) away from the powerful water pump (4) is fixedly connected to a nozzle (7); One end of the water inlet pipe (5) away from the powerful water pump (4) passes through the heat exchanger tube cleaning platform (1) and is placed inside the water storage tank (2); a first bearing (25) is fixedly embedded on the upper surface of the heat exchanger tube cleaning platform (1); the inner ring of the first bearing (25) is fixedly connected to a round tube (8); a sliding rod (9) is sleeved inside the round tube (8); the outer surface of the sliding rod (9) is fixedly connected to a support beam (10); and a first servo motor (11) is fixedly connected to the bottom surface of the heat exchanger tube cleaning platform (1).

2. The automatic cleaning device for heat exchanger tubes according to claim 1, characterized in that: The output end of the first servo motor (11) is fixedly connected to the circular tube (8); the water outlet pipe (6) penetrates the support beam (10) and extends to the bottom of the support beam (10); and the water outlet pipe (6) is made of a retractable material.

3. The automatic cleaning device for heat exchanger tubes according to claim 1, characterized in that: A support plate (12) is fixedly connected to the outer surface of the circular tube (8), and a second bearing (13) is fixedly embedded on the upper surface of the support plate (12).

4. The automatic cleaning device for heat exchanger tubes according to claim 3, characterized in that: The inner ring of the second bearing (13) is fixedly connected to a screw rod (14), and the top end of the screw rod (14) is fixedly connected to a limiting plate (15).

5. The automatic cleaning device for heat exchanger tubes according to claim 1, characterized in that: The top end of the slide rod (9) is fixedly connected to a stabilizing plate (16), a threaded hole (17) is provided on the upper surface of the stabilizing plate (16), and the stabilizing plate (16) is threadedly connected to the screw rod (14).

6. The automatic cleaning device for heat exchanger tubes according to claim 3, characterized in that: A second servo motor (18) is fixedly connected to the bottom surface of the support plate (12), and an output end of the second servo motor (18) is fixedly connected to the screw rod (14).

7. The automatic cleaning device for heat exchanger tubes according to claim 1, characterized in that: The bottom surface of the water storage tank (2) is fixedly connected to a drainage pipe (19), the outer surface of the drainage pipe (19) is provided with a valve (20), and the upper surface of the heat exchanger tube cleaning station (1) is provided with a water inlet (23).

8. The automatic cleaning device for heat exchanger tubes according to claim 1, characterized in that: The bottom surface of the heat exchanger tube cleaning platform (1) is fixedly connected to support legs (21) arranged in a ring, the bottom end of each support leg (21) is fixedly connected to a base (22), and the inner wall of each heat exchanger tube limiting groove (3) is fixedly connected to a heat exchanger tube protection pad (24).

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