CN212205806U

CN212205806U - Heat exchange equipment and cleaning device thereof

Info

Publication number: CN212205806U
Application number: CN202020885087.6U
Authority: CN
Inventors: 迟志磊; 邵晓萌; 袁小伟; 丁杜杰
Original assignee: Ebara Refrigeration Equipment and Systems China Co Ltd
Current assignee: Ebara Refrigeration Equipment and Systems China Co Ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-22
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a heat exchange equipment and a cleaning device thereof, wherein, the cleaning device of the heat exchange equipment comprises a slide way, a walking frame, a cleaning part, a driving part and a guiding part which are arranged on the walking frame, and the slide way is relatively fixed with a heat exchanger of the heat exchange equipment; the slide way comprises a slide rail and a guide rail which are arranged in parallel, the walking frame can drive the cleaning part to move along the slide rail under the action of the driving part and clean the heat exchanger, and the guide rail comprises a guide plate; the guide part comprises two guide wheels arranged on the walking frame, the two guide wheels are respectively positioned on two sides of the guide plate and can roll along the length direction of the guide plate, and at least one side of the guide plate is provided with a guide groove used for accommodating the guide wheels. The stability of the cleaning device in the cleaning process of the heat exchanger can be improved, and the condition that derailment or even the cleaning device drops is avoided.

Description

Heat exchange equipment and cleaning device thereof

Technical Field

The utility model relates to a chemical industry equipment technical field, concretely relates to indirect heating equipment and indirect heating equipment's belt cleaning device.

Background

The fin heat exchanger of the cooling tower is easy to scale, so that the heat exchange effect of the heat exchanger is influenced slightly, and the service life of the heat exchanger is influenced seriously. Therefore, the fins of the heat exchanger need to be cleaned after being used for a period of time, and in the prior art, the cleaning device comprises a driving part, a cleaning part, a guiding part, and a sliding rail and a guide rail which are arranged on the cooling tower and are parallel to each other, wherein the driving part can drive the cleaning device to slide along the sliding rail, and the guiding part is arranged on the cleaning device and can slide along the guide rail, so as to ensure that the cleaning device runs stably.

However, in the prior art, the distance between the slide rail and the guide rail is generally 5m to 8m, and the length of the slide rail is 30m to 100m, even hundreds of meters. Because of the distance height, span are big, cause the depth of parallelism error of slide rail and guide rail great, the very easy derailment of upper portion leading wheel in the operation process leads to belt cleaning device to empty, drops the tower bottom from tower side platform even, produces great danger.

Therefore, how to improve the stability of the cleaning device in the cleaning process of the heat exchanger and avoid derailing and even dropping of the cleaning device is a technical problem that needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a indirect heating equipment and indirect heating equipment's belt cleaning device can improve belt cleaning device and carry out the stability of operation in the cleaning process to the heat exchanger, avoids taking place the condition that the derail or even belt cleaning device dropped.

In order to solve the technical problem, the utility model provides a cleaning device for heat exchange equipment, which comprises a slide way, a walking frame, a cleaning part, a driving part and a guiding part, wherein the cleaning part, the driving part and the guiding part are arranged on the walking frame, and the slide way and a heat exchanger of the heat exchange equipment are relatively fixed; the slide way comprises a slide rail and a guide rail which are arranged in parallel, the walking frame can drive the cleaning part to move along the slide rail and clean the heat exchanger under the action of the driving part, and the guide rail comprises a guide plate; the guide part comprises two guide wheels arranged on the walking frame, the two guide wheels are respectively positioned on two sides of the guide plate and can roll along the length direction of the guide plate, and at least one side of the guide plate is provided with a guide groove for accommodating the guide wheels.

In the use, drive division drive walking frame drives the cleaning part and slides along the slide rail, in order to wash the heat exchanger, use plate heat exchanger as an example, belt cleaning device can wash this plate heat exchanger's fin, when the cleaning part slides to the other end along the slide rail from one end, can accomplish the washing to the heat exchanger, when needs wash the heat exchanger once more, accessible drive division re-drive walking frame drive cleaning part along the slide rail reverse slip to primary position can, that is to say, the walking frame drives the cleaning part along the slide rail reciprocating sliding under the effect of drive division, in order to wash repeatedly the heat exchanger. The guide rail is parallel to the slide rail, so that the cleaning device can be ensured to move stably.

In two leading wheels of guide part, at least one is located the guide way of guide rail, and roll along the length direction of deflector, and another leading wheel rolls along the length direction of deflector from the opposite side, two leading wheels can press from both sides tight deflector, and the lateral wall of guide way can be spacing to the leading wheel that is located its inside, guarantee that this leading wheel is located the guide way all the time, and simultaneously, because the clamping action of two leading wheels, make the deflector be located between two leading wheels all the time, thereby realize the mutual restriction between guide part and the guide rail, avoid taking place the condition of derailing.

In the practical application process, the distance between the sliding rail and the guide rail is about 5 m-8 m, the length of the guide rail is 30 m-100 m or even hundreds of meters, due to the large span, errors can exist in the parallelism between the guide rail and the sliding rail in the manufacturing or installation process, or partial positions are not parallel to the sliding rail due to the fact that deformation and other conditions can exist after long-term use, in the process of cleaning the fins of the heat exchanger, at least one guide wheel can be located in the guide groove of the guide rail all the time, even if the part of the guide rail is not parallel to the sliding rail, the guide part can be guaranteed not to be separated from the guide rail, and the cleaning part can stably slide along the sliding rail and clean the fins of the heat exchanger.

Optionally, the guide portion further includes a mounting frame fixed to the walking frame, both of the guide wheels are disposed on the mounting frame, and the guide wheels located in the guide grooves are rotatably connected to the mounting frame through a set of connecting pieces; the connecting piece including be fixed in the support of mounting bracket and with the pivot of leg joint, the leading wheel rotatably cup joint in the pivot.

Optionally, the mounting bracket is of a C-shaped structure, and the two guide wheels are respectively arranged on two side edges of the C-shaped structure of the mounting bracket through the connecting piece.

Optionally, one of the side edges of the mounting bracket is detachably connected to the bottom edge thereof.

Optionally, the cross section of the guide rail is in a C-shaped structure.

Optionally, the driving part comprises a driving part and a driving wheel, and the driving part can drive the driving wheel to roll along the sliding rail.

Optionally, the driving wheel is disposed at the bottom of the walking frame and above the sliding rail, and the guiding portion is disposed at the upper portion of the walking frame.

Optionally, the end surfaces of the two sides of the driving wheel are provided with annular flanges along the radial direction outwards to form a limiting groove, and the sliding rail is located in the limiting groove.

Additionally, the utility model also provides a indirect heating equipment, it includes the heat exchanger and as above belt cleaning device, belt cleaning device locates the air inlet side of heat exchanger.

The technical effect of the heat exchange equipment with the cleaning device is similar to that of the cleaning device, and is not repeated herein for saving space.

Drawings

Fig. 1 is a schematic structural diagram of a heat exchange device provided in an embodiment of the present invention in a use state;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is an enlarged view of B in fig. 1.

In the accompanying fig. 1-3, the reference numerals are illustrated as follows:

1-a slide rail;

2-guide rail, 21-guide plate, 22-guide groove;

3-a walking frame;

4-a cleaning part;

5-driving part, 51-driving part, 52-driving wheel, 521-rib and 522-limiting groove;

6-guide part, 61-guide wheel, 62-mounting rack;

7-connecting piece, 71-bracket, 72-rotating shaft;

8-a heat exchanger;

9-cooling tower.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a heat exchange device provided in an embodiment of the present invention in a use state; FIG. 2 is an enlarged view of A in FIG. 1; fig. 3 is an enlarged view of B in fig. 1.

The embodiment of the utility model provides a indirect heating equipment and indirect heating equipment's belt cleaning device, wherein, as shown in FIG. 1, indirect heating equipment of cooling tower 9 includes heat exchanger 8 and above-mentioned belt cleaning device, and this belt cleaning device can wash this heat exchanger 8 from heat exchanger 8's air intake side, guarantees heat exchanger 8's cleanness, avoids leading to fin surface scale deposit to influence heat transfer effect after long-term the use, and then guarantees heat exchanger 8's life.

Specifically, in this embodiment, the cleaning device of the heat exchange apparatus includes a slide, a traveling frame 3, a cleaning portion 4, a driving portion 5, and a guiding portion 6, which are disposed on the traveling frame 3, wherein the slide is fixed relative to the heat exchanger 8, specifically, the slide can be fixed to the heat exchanger 8, or the slide can be fixed to a frame of the cooling tower 9 or a reserved iron part thereof, the slide includes a slide rail 1 and a guide rail 2, which are disposed in parallel to each other, the traveling frame 3 can drive the cleaning portion 4 to move along the slide rail 1 and clean the heat exchanger 8 under the action of the driving portion 5, the guide rail 2 includes a guide plate 21, the guiding portion 6 includes two guide wheels 61 disposed on the traveling frame 3, the two guide wheels 61 are respectively disposed on two sides of the guide plate 21 and can roll along the length direction of the guide plate 21, at least one side of the guide plate 21 is provided with a guide groove 22 for accommodating the guide wheels 61, that is, at least one of the two guide wheels 61 on both sides of the guide plate 21 is located in the guide groove 22.

In the use, drive division 5 drive walking frame 3 drives washing portion 4 and slides along slide rail 1, in order to wash heat exchanger 8, heat exchanger 8 in this embodiment uses plate heat exchanger 8 as an example, belt cleaning device can wash this plate heat exchanger 8's fin, when washing portion 4 slides to the other end along slide rail 1 from one end, can accomplish once washing to heat exchanger 8, when needs wash heat exchanger 8 once more, accessible drive division 5 drives walking frame 3 once more and drives washing portion 4 and can to follow slide rail 1 reverse slip to primary position, that is to say, walking frame 3 drives washing portion 4 and follows slide rail 1 reciprocating sliding under drive division 5's effect, in order to wash heat exchanger 8 repeatedly. The guide rail 2 is parallel to the sliding rail 1, so that the cleaning device can be ensured to move stably.

Of two leading wheel 61 of guide part 6, at least one is located the guide way 22 of guide rail 2, and roll along the length direction of deflector 21, and another leading wheel 61 rolls along the length direction of deflector 21 from the opposite side, two leading wheels 61 can press from both sides tight deflector 21, and the lateral wall of guide way 22 can carry on spacingly to the leading wheel 61 that is located its inside, guarantee that this leading wheel 61 is located the guide way 22 all the time, and simultaneously, because the clamping action of two leading wheels 61, make deflector 21 can be located between two leading wheels 61 all the time, thereby realize the mutual restriction between guide part 6 and the guide rail 2, avoid taking place the condition of derailing.

In the practical application process, the distance between the slide rail 1 and the guide rail 2 is about 5m to 8m, the length of the guide rail 2 is 30m to 100m or even hundreds of meters, due to the large span, errors may exist in the parallelism between the guide rail 2 and the slide rail 1 in the manufacturing or installation process, or partial positions are not parallel to the slide rail 1 due to the fact that deformation and the like may exist after long-term use, in the process of cleaning the fins of the heat exchanger 8, due to the fact that at least one guide wheel 61 can be located in the guide groove 22 of the guide rail 2 all the time, even if the guide rail 2 is partially not parallel to the slide rail 1, the guide part 6 can be guaranteed not to be separated from the guide rail 2, and the cleaning part 4 can stably slide along the slide rail and clean the fins of the heat exchanger 8.

In addition, the cleaning device in this embodiment includes a plurality of nozzles arranged in parallel, and the fins of the heat exchanger 8 are cleaned by spraying the demineralized water through each nozzle, but of course, other cleaning devices, such as an air blowing type cleaning device, may be used, and the cleaning device is specifically arranged according to the specific situation of the heat exchanger 8, and is not limited specifically here.

In the above embodiment, the guiding portion 6 includes the mounting frame 62 fixed to the walking frame 3, two guiding wheels 61 are disposed on the mounting frame 62, the guiding wheels 61 located in the guiding groove 22 are rotatably connected to the mounting frame 62 through a set of connecting members 7, specifically, the connecting members 7 include a bracket 71 fixed to the mounting frame 62 and a rotating shaft 72 connected to the bracket 71, and the guiding wheels 61 are rotatably sleeved on the rotating shaft 72. With this arrangement, it is convenient to dispose the guide wheel 61 in the guide groove 22 to further restrict the position between the guide wheel 61 and the guide groove 22 and to stabilize the position therebetween.

Or, in this embodiment, the guide wheel 61 located in the guide groove 22 may be rotatably connected to the mounting frame 62 through only one connecting shaft, specifically, one end of the connecting shaft is fixed to the mounting frame 62, the guide wheel 61 is sleeved on the connecting shaft and can rotate relative to the connecting shaft, and a part of the guide wheel 61 is located in the guide groove 22. When the guide wheel 61 is installed through the connecting member 7, the acting area between the guide wheel and the side wall of the guide groove 22 can be increased, thereby further ensuring the stability. In addition, the support 71 of the connecting piece 7 is more stable than the connecting shaft due to the acting force between the guide rail 2 and the guide wheel 61 during the movement of the cleaning device.

Specifically, as shown in fig. 1, in the present embodiment, the connecting member 7 is provided with two brackets 71, and the rotating shaft 72 is connected between the two brackets 71, or alternatively, the number of the brackets 71 may be set to one, and the end portion of the rotating shaft 72 is connected with the brackets 71 to form an L-shaped structure, and when two brackets 71 are provided and the rotating shaft 72 is provided between the two brackets 71, the structural strength of the connecting member 7 can be further ensured.

Further, the mounting bracket 62 is of a C-shaped structure, and the two guide wheels 61 are respectively fixed to two sides of the C-shaped structure of the mounting bracket 62 through the connecting piece 7, that is, whether the guide wheels 61 are located in the guide grooves 22 or not is connected to the sides through the connecting piece 7, so that the connection stability is further ensured.

In the above embodiment, one side of the C-shaped structure of the mounting bracket 62 is detachably connected to the bottom side thereof, as shown in fig. 2, the mounting bracket 62 of the C-shaped structure includes two L-shaped structures, i.e., a first L-shaped structure and a second L-shaped structure, wherein the short side of the first L-shaped structure is used for being connected to one guide wheel 61 through a connecting piece 7, the long side is fixed to the short side of the second L-shaped structure through a bolt, and the long side of the second L-shaped structure is used for being connected to another guide wheel 61 through a connecting piece 7.

In the above embodiment, the cross section of the guide rail 2 has a C-shaped structure, that is, only one side of the guide plate 21 is provided with the guide groove 22, and only one guide wheel 61 is located in the guide groove 22, or in this embodiment, the guide groove 22 may be formed on both sides of the guide plate 21, at this time, the cross section of the guide rail 2 has an i-shaped structure, and the two guide wheels 61 are located in the two guide grooves 22, and roll tightly against the groove bottoms of the two C-shaped grooves (both sides of the guide plate 21), so that the stability between the guide rail 2 and the guide portion 6 can be ensured. When the guide groove 22 is formed as a C-shaped groove, the entire structure can be simplified without derailing the cleaning apparatus.

In the above embodiment, the driving portion 5 includes the driving member 51 and the driving wheel 52, the driving member 51 can drive the driving wheel 52 to rotate and roll along the sliding track 1, wherein the driving member 51 can include a motor, a reducer or other driving mechanism such as a manual wheel, etc., and the driving wheel 52 rolls along the sliding track 1 to drive the traveling frame 3 to move along the length direction of the sliding track 1, so as to drive the guiding wheel 61 to roll along the guiding track 2.

Further, the driving wheel 52 is disposed at the bottom of the traveling frame 3 and above the slide rail 1, and the guide portion 6 is disposed at the upper portion of the traveling frame 3 to restrict the position of the traveling frame 3 from the bottom and the upper portion, respectively, thereby ensuring stable movement of the traveling frame 3 along the slide. Of course, in this embodiment, the driving part 5 and the slide rail 1 may be disposed on the upper portion of the traveling frame 3, the guiding part 5 and the guide rail 2 may be disposed on the lower portion of the traveling frame 3, and when the driving part 5 is disposed on the bottom portion of the traveling frame 3, the driving wheel 52 of the driving part 5 may be rotated by the gravity of the traveling frame 3 itself so as to roll along the longitudinal direction of the slide rail 1.

In the above embodiment, the two side end surfaces of the driving wheel 52 are provided with the annular flanges 521 radially outward, the two annular flanges 521 can form the limiting groove 522 in the side wall of the driving wheel 52, and the sliding rail 1 is located in the limiting groove 522, so that the stability of the action between the driving wheel 51 and the sliding rail 1 in the process of moving along the length direction of the sliding way of the walking frame 3 is ensured, and the derailment is avoided.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The cleaning device for the heat exchange equipment is characterized by comprising a slide way, a walking frame (3), a cleaning part (4), a driving part (5) and a guide part (6), wherein the cleaning part, the driving part and the guide part are arranged on the walking frame (3), and the slide way and a heat exchanger (8) of the heat exchange equipment are relatively fixed;

the slideway comprises a sliding rail (1) and a guide rail (2) which are arranged in parallel, the walking frame (3) can drive the cleaning part (4) to move along the sliding rail (1) and clean the heat exchanger (8) under the action of the driving part (5), and the guide rail (2) comprises a guide plate (21);

the guide part (6) comprises two guide wheels (61) arranged on the walking frame (3), the two guide wheels (61) are respectively positioned on two sides of the guide plate (21) and can roll along the length direction of the guide plate (21), and at least one side of the guide plate (21) is provided with a guide groove (22) used for containing the guide wheels (61).

2. The cleaning device for the heat exchange equipment according to claim 1, wherein the guide part (6) further comprises a mounting frame (62) fixed with the walking frame (3), two guide wheels (61) are arranged on the mounting frame (62), and the guide wheels (61) positioned in the guide grooves (22) are rotatably connected with the mounting frame (62) through a group of connecting pieces (7);

the connecting piece (7) comprises a support (71) fixed on the mounting rack (62) and a rotating shaft (72) connected with the support (71), and the guide wheel (61) is rotatably sleeved on the rotating shaft (72).

3. The cleaning device for the heat exchange equipment according to claim 2, wherein the mounting frame (62) is of a C-shaped structure, and the two guide wheels (61) are respectively arranged on two sides of the C-shaped structure of the mounting frame (62) through the connecting piece (7).

4. A cleaning device for heat exchange equipment according to claim 3, wherein one of the side edges of the mounting frame (62) is detachably connected to the bottom edge thereof.

5. A cleaning device for heat exchange equipment according to any one of claims 1 to 4, characterized in that the cross section of the guide rail (2) is in a C-shaped structure.

6. The cleaning device for heat exchange equipment according to any one of claims 1 to 4, wherein the driving part (5) comprises a driving member (51) and a driving wheel (52), and the driving member (51) can drive the driving wheel (52) to roll along the sliding rail (1).

7. The cleaning device for the heat exchange equipment according to claim 6, wherein the driving wheel (52) is arranged at the bottom of the walking frame (3) and above the sliding rail (1), and the guiding part (6) is arranged at the upper part of the walking frame (3).

8. The cleaning device for the heat exchange equipment according to claim 7, wherein the two side end faces of the driving wheel (52) are provided with annular flanges (521) along the radial direction outwards and form a limiting groove (522), and the sliding rail (1) is positioned in the limiting groove (522).

9. A heat exchange device, characterized in that it comprises a heat exchanger (8) and a cleaning device according to any one of claims 1-8, which cleaning device is arranged on the air inlet side of the heat exchanger (8).