Device for cleaning scales on inner wall of heat exchange tube of conversion heat exchanger

Abstract

The utility model belongs to the technical field of pipeline cleaning, and particularly relates to a conversion heat exchanger heat exchange tube inner wall scale cleaning device which comprises a pipeline robot walking wheel set, a speed reduction motor is arranged on the pipeline robot walking wheel set, and a limiting column is fixed to the output end of the speed reduction motor. The limiting column is provided with a cleaning mechanism through a limiting mechanism convenient to assemble and disassemble, a detachable lifting rope connecting structure is arranged on an inserting column, a lifting rope is connected into an annular clamping groove of the inserting column through a clamping ring, and when pipelines with different diameters need to be cleaned, the clamping ring can be quickly disassembled, lifting ropes with different lengths can be replaced, and the cleaning operation is convenient. The distance between the knocking steel ball and the inner wall of the heat exchange tube is adjusted, the cleaning device can adapt to pipelines with different diameters, the universality and practicability of the cleaning device are greatly improved, the cleaning mechanism can be quickly mounted and dismounted on the limiting column through the design of the conveniently mounted and dismounted limiting mechanism, the cleaning mechanism or a lifting rope is conveniently replaced, and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to and pipeline cleaning technical field, concretely relates to a kind of conversion heat exchanger heat exchange pipe inner wall scale cleaning device. BACKGROUND

[0002] In many fields such as chemical industry, energy, conversion heat exchanger is widely used. However, the inner wall of heat exchange tube is easy to produce scale phenomenon in long-term use, which will seriously affect the heat exchange efficiency of heat exchanger, increase energy consumption, and even may cause equipment failure. At present, some heat exchange tube inner wall scale cleaning devices on the market have poor adaptability of cleaning mechanism when cleaning different diameter pipes. For example, the length of the existing cleaning device is fixed, and it is difficult to adjust the distance between the knocking steel ball and the inner wall of the heat exchange tube according to the change of pipe diameter, so as to affect the cleaning effect and cannot meet the diversified cleaning demand. UTILITY MODEL CONTENTS

[0003] To solve the problems raised in the above background, the utility model provides a kind of conversion heat exchanger heat exchange tube inner wall scale cleaning device, which is designed to replace the cleaning mechanism of the hanging rope, so that the cleaning device can quickly adapt to different diameter pipes, improve the flexibility and effectiveness of cleaning operation.

[0004] A kind of conversion heat exchanger heat exchange tube inner wall scale cleaning device, including pipeline robot walking wheel group, pipeline robot walking wheel group is provided with speed reducer on it, the output end of speed reducer is fixed with limit post, limit post is provided with cleaning mechanism by easy-to-mount-and-dismount limit mechanism.

[0005] The easy-to-mount-and-dismount limit mechanism includes a hole in the limit post and a limit mechanism on the limit post. The limit mechanism includes a limit sliding cavity in the limit post, a limit sliding disc is arranged inside the limit sliding cavity, a limit head is fixed to one side wall of the limit sliding disc, and a pull rod is fixedly arranged on the other side wall, and a spring is sleeved on the pull rod inside the limit sliding cavity.

[0006] The cleaning mechanism includes a plug-in column inserted into the hole, and a detachable hanging rope connecting structure is arranged on the plug-in column. The detachable hanging rope connecting structure includes an annular clamping groove in the side wall of the plug-in column and a clamping ring arranged in the annular clamping groove. One end of the hanging rope is fixedly connected to the clamping ring. The clamping ring can rotate in the annular clamping groove and be detached along the radial direction of the annular clamping groove. A limit hole is formed in the plug-in column, which is matched with the limit head.

[0007] Further, a guide groove is arranged on the inner wall of the limit sliding cavity, and a guide block matched with the guide groove is fixed on the side wall of the limit sliding disc, so that the limit sliding disc slides more smoothly in the limit sliding cavity.

[0008] Further, one end of the spring is fixedly connected with the inner wall of the limiting sliding cavity, the other end is fixedly connected with the limiting sliding disc, and when the spring is in a natural state, the limiting head part extends out of the limiting sliding cavity.

[0009] Further, the insertion column top is provided with a positioning boss, and the insertion hole top is provided with a positioning groove matched with the positioning boss.

[0010] Further, the hanging rope is a high-strength wear-resistant rope.

[0011] Further, the cleaning mechanism further comprises a knocking steel ball arranged at the other end of the hanging rope, a rust-proof coating is arranged on the surface of the knocking steel ball, and the knocking steel ball is spherical or hemispherical in shape, so that the knocking and cleaning effect on the fouling on the inner wall of the heat exchange pipe is enhanced.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a detachable hanging rope connecting structure is arranged on the insertion column, the hanging rope is connected in the annular clamping groove of the insertion column through the snap ring, when needing to clean the pipeline of different diameters, the snap ring can be quickly detached, and the hanging rope of different lengths is replaced, so that the distance between the knocking steel ball and the inner wall of the heat exchange pipe is adjusted, the cleaning device can be adapted to the pipeline of different diameters, and the versatility and practicality of the cleaning device are greatly improved.

[0014] The design of the convenient and detachable limiting mechanism makes the cleaning mechanism be quickly installed and detached on the limiting column, the cleaning mechanism or the hanging rope can be conveniently replaced, and the operation efficiency is improved. DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the limiting column structural schematic diagram of the utility model;

[0018] Figure 3 It is the cleaning mechanism structural schematic diagram of the utility model;

[0019] Figure 4 It is Figure 2 It is the sectional structure schematic diagram of A in the utility model;

[0020] Figure 5 It is the pipeline robot walking wheel set structural schematic diagram of the utility model;

[0021] In the drawings:

[0022] Pipe robot walking wheel set 1, speed reducer motor 2, limit column 3, convenient to disassemble and limit mechanism 4, cleaning mechanism 5, jack 41, limit mechanism 42, limit sliding cavity 421, limit sliding disc 422, limit head 423, pull rod 424, spring 425, plug column 51, hanging rope 52, knocking steel ball 52, limit hole 53, knocking steel ball 54. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment 1

[0025] As Figures 1-5 shown in the drawings;

[0026] A kind of conversion heat exchanger heat exchange pipe inner wall scale cleaning device.

[0027] In the embodiment: to solve the technical problems existing in this prior art, as disclosed in the above background art "heat exchange pipe in long-term use, its inner wall is prone to scale phenomenon, this can seriously affect the heat exchange efficiency of heat exchanger, increase energy consumption, even possibly lead to equipment failure. At present, some heat exchange pipe inner wall scale cleaning device on the market, when cleaning operation is carried out to different diameter pipes, there is the problem of poor adaptability of cleaning mechanism. For example, the length of the existing cleaning device is fixed, it is difficult to adjust the distance between knocking steel ball and heat exchange pipe inner wall according to the change of pipe diameter, thereby affecting the cleaning effect, unable to meet the diversified cleaning needs", in combination with actual use, this problem obviously exists and is relatively difficult to solve, and therefore, to solve this technical problem, a kind of conversion heat exchanger heat exchange pipe inner wall scale cleaning device is provided on this basis.

[0028] As Figures 1-5 shown in the drawings;

[0029] With the above, including the pipeline robot walking wheel set 1, the pipeline robot walking wheel set 1 is provided with a reduction motor 2, the output end of the reduction motor 2 is fixed with a limiting column 3, the limiting column 3 is provided with a cleaning mechanism 5 through a convenient dismounting limiting mechanism 4, the convenient dismounting limiting mechanism 4 includes a jack 41 opened on the limiting column 3, and a limiting mechanism 42 provided on the limiting column 3, the limiting mechanism 42 includes a limiting sliding cavity 421 opened on the limiting column 3, the limiting sliding cavity 421 is provided with a limiting sliding disc 422 inside, one side wall of the limiting sliding disc 422 is fixed with a limiting head 423, and the other side wall is fixedly provided with a pull rod 424, and the pull rod 424 inside the limiting sliding cavity 421 is sleeved with a spring 425.

[0030] The cleaning mechanism 5 includes a plug-in column 51 inserted into the jack 41, the plug-in column 51 is provided with a knocking steel ball 54 through a lifting rope 52, and the plug-in column 51 is provided with a limiting hole 53 matched with the limiting head 423.

[0031] The inner wall of the limiting sliding cavity 421 is provided with a guide groove, and the side wall of the limiting sliding disc 422 is fixedly provided with a guide block matched with the guide groove, so that the limiting sliding disc 422 slides more smoothly in the limiting sliding cavity 421.

[0032] One end of the spring 425 is fixedly connected with the inner wall of the limiting sliding cavity 421, the other end is fixedly connected with the limiting sliding disc 422, and when the spring 425 is in a natural state, the limiting head 423 partially extends out of the limiting sliding cavity 421.

[0033] The top of the plug-in column 51 is provided with a positioning boss, and the top of the jack 41 is provided with a positioning groove matched with the positioning boss.

[0034] The lifting rope 52 is a high-strength wear-resistant rope.

[0035] The surface of the knocking steel ball 54 is provided with an anti-rust coating, and the shape of the knocking steel ball 54 is spherical or hemispherical, so as to enhance the knocking cleaning effect on the inner wall of the heat exchange pipe.

[0036] In use, first, the pipeline robot walking wheel set is placed in the heat exchange pipe to be cleaned, and the cleaning device is transported to the designated cleaning position by controlling the pipeline robot walking wheel set to move in the heat exchange pipe.

[0037] When the lifting rope needs to be replaced to adapt to different diameters of the pipeline, the pull rod is pulled, the limiting head is retracted into the limiting sliding cavity against the elastic force of the spring, and then the insertion column is pulled out of the insertion hole of the limiting column. Then, the clasp ring is taken out in the radial direction from the annular clamping groove of the insertion column, so that the original lifting rope is disassembled. According to the diameter of the pipeline, a lifting rope with a suitable length is selected, one end of the lifting rope is fixedly connected to the new clasp ring, the clasp ring is installed into the annular clamping groove of the insertion column, and the clasp ring can rotate in the annular clamping groove. Finally, the insertion column is inserted into the insertion hole of the limiting column, the pull rod is loosened, the limiting head is extended out of the limiting sliding cavity and inserted into the limiting hole of the insertion column under the elastic force of the spring, and the installation of the cleaning mechanism is completed.

[0038] The speed reducer is started, the speed reducer drives the limiting column to rotate, and then the cleaning mechanism is rotated, the knocking steel ball on the cleaning mechanism continuously knocks the inner wall of the heat exchange pipe under the action of centrifugal force, and the cleaning of the scale is realized. During the cleaning process, the pipeline robot walking wheel set can be slowly moved, so that the cleaning device can comprehensively clean the entire inner wall of the heat exchange pipe.

[0039] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for cleaning the scale deposited on the inner wall of the heat exchange tube of a regenerative heat exchanger, characterized in that, The pipeline robot walking wheel set (1) is provided with a reduction motor (2), the output end of the reduction motor (2) is fixed with a limiting column (3), the limiting column (3) is provided with a cleaning mechanism (5) through a convenient dismounting limiting mechanism (4), the convenient dismounting limiting mechanism (4) comprises a plug hole (41) opened in the limiting column (3) and a limiting mechanism (42) arranged on the limiting column (3), the limiting mechanism (42) comprises a limiting sliding cavity (421) opened in the limiting column (3), the limiting sliding cavity (421) is internally provided with a limiting sliding disc (422), one side wall of the limiting sliding disc (422) is fixed with a limiting head (423), and the other side wall is fixedly provided with a pull rod (424), and the pull rod (424) in the limiting sliding cavity (421) is sleeved with a spring (425).

2. The device for cleaning the scale on the inner wall of the heat exchange tube of a conversion heat exchanger according to claim 1, characterized in that, The cleaning mechanism (5) comprises a plug column (51) plugged in the plug hole (41), the plug column (51) is provided with a knocking steel ball (54) through a lifting rope (52), and the plug column (51) is provided with a limiting hole (53) matched with the limiting head (423).

3. The device for cleaning the scale on the inner wall of the heat exchange tube of a heat transformer according to claim 1, characterized in that: The inner wall of the limiting sliding cavity (421) is provided with a guide groove, and the side wall of the limiting sliding disc (422) is fixedly provided with a guide block matched with the guide groove, so that the limiting sliding disc (422) slides more smoothly in the limiting sliding cavity (421).

4. The device for cleaning the scale on the inner wall of the heat exchange tube of a heat transformer according to claim 1, characterized in that: One end of the spring (425) is fixedly connected with the inner wall of the limiting sliding cavity (421), the other end is fixedly connected with the limiting sliding disc (422), and when the spring (425) is in a natural state, the limiting head (423) partially extends out of the limiting sliding cavity (421).

5. The device for cleaning the scale on the inner wall of the heat exchange tube of a heat transformer according to claim 2, characterized in that: The plug column (51) is provided with a positioning boss at the top, and the plug hole (41) is provided with a positioning groove matched with the positioning boss at the top.

6. The device for cleaning the scale on the inner wall of the heat exchange tube of a regenerative heat exchanger according to claim 2, characterized in that: The lifting rope (52) is a high-strength wear-resistant rope.

7. The device for cleaning the scale on the inner wall of the heat exchange tube of a heat transformer according to claim 2, characterized in that: The surface of the knocking steel ball (54) is provided with an anti-rust coating, and the shape of the knocking steel ball (54) is spherical or hemispherical, so as to enhance the knocking and cleaning effect on the inner wall of the fouling heat exchange pipe.

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