Maintenance device for heat exchanger

Abstract

The maintenance device for the heat exchanger comprises a backflow groove and a main beam body, an electric trolley runs on the main beam body, the electric trolley is provided with an electric hoist, the electric hoist is connected with a lifting hook through a steel wire rope, the lifting hook hooks a lifting plate and lifts a flange cover plate, and the flange cover plate is assembled on a shell of the heat exchanger. The heat exchanger shell is placed on the upper plane of the perforated plate, the cleaning elbow is arranged above the heat exchanger shell, the cleaning elbow is connected with the steering elbow through the transverse pipeline, the steering elbow is connected with the vertical pipeline, and the vertical pipeline is installed on the pipeline pump. The heat exchange efficiency is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchanger maintenance, and relates to a maintenance device for a heat exchanger. Background Art

[0002] Shell and tube heat exchanger, also known as shell and tube heat exchanger, is a wall heat exchanger that uses the wall of the tube bundle enclosed in the shell as the heat transfer surface. Shell and tube heat exchanger has compact structure, low cost, wide flow cross section and large floor space. It can be made of a variety of metal materials and can be used under high temperature and high pressure. It is the most widely used type of heat exchanger.

[0003] At present, after a period of use, the shell and tube heat exchanger is prone to produce oil dirt, scale and sediment inside. These dirt will reduce the flow area of ​​the pipeline, increase the flow resistance, and reduce the heat transfer coefficient of the heat exchanger, thereby affecting the heat exchange effect, resulting in a decrease in the heat exchange efficiency of the heat exchanger. In severe cases, it will shorten the service life of the tube heat exchanger and cannot guarantee long-term use. The current operation process of opening the heat exchanger is cumbersome, which increases the maintenance cost. Utility Model Content

[0004] In view of the above problems existing in the prior art, the present application provides a maintenance device for a heat exchanger.

[0005] The technical solution of the utility model is as follows:

[0006] A maintenance device for a heat exchanger comprises a reflux trough and a main beam body. The main beam body is provided with an electric trolley, the electric trolley is provided with an electric hoist, the electric hoist is connected to a hook via a steel wire rope, the hook hangs a lifting plate and lifts a flange cover plate, the flange cover plate is mounted on a heat exchanger shell, the heat exchanger shell is placed on an upper plane of a porous plate, a cleaning elbow is arranged above the heat exchanger shell, the cleaning elbow is connected to a steering elbow via a horizontal pipeline, the steering elbow is connected to a vertical pipeline, and the vertical pipeline is installed on a pipeline pump.

[0007] As a preferred implementation mode of the utility model: the main beam body is provided with an end beam, the bottom of the end beam is provided with a moving wheel, and the moving wheel rolls on the supporting track.

[0008] As a preferred embodiment of the utility model: the cleaning elbow is equipped with a fan-shaped spray nozzle.

[0009] As a preferred implementation of the utility model: a support plate is arranged on the top of the porous plate, and the support plate is equipped with clamps, and the clamps clamp the heat exchanger shell.

[0010] As a preferred implementation mode of the utility model: the pipeline pump is fixed to the reflux tank through a nylon plate.

[0011] As a preferred embodiment of the present invention: a filter screen is arranged inside the reflux tank.

[0012] The beneficial effects of the utility model are:

[0013] The utility model discloses a maintenance device for a heat exchanger, an electric hoist is connected to a hook through a steel wire rope, the hook hangs a lifting plate and lifts a flange cover plate, so that the flange cover plate is lifted off the heat exchanger shell, thereby quickly opening the heat exchanger, and cleaning liquid delivered by a cleaning elbow spray pipeline pump is used to clean the inside of the heat exchanger, and the cleaning liquid flows through the heat exchanger and the porous plate to reach a reflux tank, and the reflux tank filters the cleaning liquid and repeatedly provides it to the pipeline pump, thereby reducing the daily maintenance cost of the heat exchanger, thereby ensuring the heat exchange efficiency and extending the service life of the heat exchanger, which is convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a maintenance device for a heat exchanger.

[0015] In the figure: 1-return trough; 2-filter screen; 3-pipeline pump; 4-nylon plate; 5-vertical pipeline; 6-steering elbow; 7-support track; 8-moving wheel; 9-end beam; 10-main beam body; 11-electric trolley; 12-electric hoist; 13-wire rope; 14-hook; 15-lifting plate; 16-cleaning elbow; 17-horizontal pipeline; 18-flange cover plate; 19-heat exchanger shell; 20-clamp; 21-support plate; 22-porous plate. DETAILED DESCRIPTION

[0016] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] like Figure 1 As shown, a maintenance device for a heat exchanger includes a reflux trough 1 and a main beam body 10. The main beam body 10 is provided with an electric trolley 11. The electric trolley 11 is equipped with an electric hoist 12. The electric hoist 12 is connected to a hook 14 through a wire rope 13. The hook 14 hangs a lifting plate 15 and lifts a flange cover 18. The flange cover 18 is mounted on a heat exchanger shell 19. The heat exchanger shell 19 is placed on the upper plane of a porous plate 22. A cleaning elbow 16 is arranged above the heat exchanger shell 19. The cleaning elbow 16 is connected to a steering elbow 6 through a transverse pipe 17. The steering elbow 6 is connected to a vertical pipe 5. The vertical pipe 5 is installed on a pipeline pump 3.

[0018] The main beam body 10 is provided with an end beam 9, and a moving wheel 8 is provided at the bottom of the end beam 9, and the moving wheel 8 rolls on the support track 7; the cleaning elbow 16 is installed with a fan-shaped spray nozzle, and the liquid sprayed out by the fan-shaped spray nozzle has great impact force under the action of high pressure, and the dirt can be thoroughly cleaned under the action of this impact force; a support plate 21 is provided on the top of the porous plate 22, and the support plate 21 is equipped with a clamping claw 20, and the clamping claw 20 clamps the heat exchanger shell 19, which has the advantages of high reliability and long service life; the pipeline pump 3 is fixed to the reflux tank 1 through a nylon plate 4, and the nylon plate 4 can maintain its stable mechanical properties for a long time and is not easy to deform; a filter screen 2 is provided inside the reflux tank 1, and the filter screen 2 places the corrugated aluminum mesh in an interlaced manner in the inner frame, thereby reducing the gap between the aluminum meshes and achieving a better filtering effect.

[0019] In summary, the utility model is a maintenance device for a heat exchanger. The hook hangs on the lifting plate and lifts the flange cover plate, so that the flange cover plate is lifted off the heat exchanger shell, thereby quickly opening the heat exchanger, and cleaning the elbow spray with cleaning liquid delivered by the pipeline pump to clean the inside of the heat exchanger for easy maintenance. The cleaning liquid flows through the heat exchanger and the porous plate and reaches the reflux tank. The reflux tank filters the cleaning liquid and repeatedly provides it to the pipeline pump, reducing the daily maintenance cost of the heat exchanger. While ensuring the heat exchange efficiency, the service life of the heat exchanger is extended.

[0020] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes, and it can be fully applicable to various fields suitable for the utility model. For those familiar with the art, for ordinary technicians in the art, these embodiments can be changed, modified, replaced and modified without departing from the principle and spirit of the utility model. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the utility model is not limited to specific details.

Claims

1. A maintenance device for a heat exchanger, characterized in that: The invention comprises a reflux trough (1) and a main beam body (10), wherein the main beam body (10) is provided with an electric trolley (11), wherein the electric trolley (11) is provided with an electric hoist (12), wherein the electric hoist (12) is connected to a hook (14) via a steel wire rope (13), wherein the hook (14) hangs a lifting plate (15) and lifts a flange cover plate (18), wherein the flange cover plate (18) is mounted on a heat exchanger shell (19), wherein the heat exchanger shell (19) is placed on the upper plane of a porous plate (22), wherein a cleaning elbow (16) is arranged above the heat exchanger shell (19), wherein the cleaning elbow (16) is connected to a steering elbow (6) via a transverse pipe (17), wherein the steering elbow (6) is connected to a vertical pipe (5), and wherein the vertical pipe (5) is mounted on a pipeline pump (3).

2. The maintenance device for a heat exchanger according to claim 1, characterized in that: The main beam body (10) is provided with an end beam (9), and the bottom of the end beam (9) is provided with a moving wheel (8), and the moving wheel (8) rolls on the supporting track (7).

3. The maintenance device for a heat exchanger according to claim 1, characterized in that: The cleaning elbow (16) is equipped with a fan-shaped spray nozzle.

4. The maintenance device for a heat exchanger according to claim 1, characterized in that: A support plate (21) is provided on the top of the porous plate (22), and the support plate (21) is equipped with clamping claws (20), and the clamping claws (20) clamp the heat exchanger shell (19).

5. The maintenance device for a heat exchanger according to claim 1, characterized in that: The pipeline pump (3) is fixed to the reflux tank (1) via a nylon plate (4).

6. The maintenance device for a heat exchanger according to any one of claims 1 to 5, characterized in that: A filter screen (2) is arranged inside the reflux tank (1).

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