Inner wall descaling device for gas-water heat exchanger

Abstract

The invention discloses an inner wall descaling device for a gas-water heat exchanger, and belongs to the technical field of heat exchangers, the inner wall descaling device comprises a bottom plate and a box body, the box body is mounted on the bottom plate, the inner wall descaling device further comprises a cleaning mechanism, the cleaning mechanism comprises a rotary drum, a linear moving part D, a motor B, a transmission pair B and an arc-shaped pressing block, the rotary drum is rotatably connected to the box body, and the linear moving part D is connected to the linear moving part D; the linear motion part D is embedded in the rotary drum, the motor B is detachably installed at the bottom of the box body, and an output shaft of the motor B is in transmission connection with the rotary drum through a transmission pair B. The expansion assembly is installed on an output shaft of the linear motion part D and used for pushing an arc-shaped abutting block to abut against the inner wall of the heat exchanger outer drum. The cleaning device can clean the inner wall and the outer wall of the heat exchanger outer cylinder with the two ends closed up.

Description

Technical Field

[0001] The invention belongs to the technical field of heat exchangers, and in particular relates to an inner wall descaling device for an air-water heat exchanger. Background Art

[0002] Steam-water heat exchanger is a device that transfers the heat energy of steam to water through heat exchange. It is widely used in industrial production, energy conversion and heating. Its basic function is to use the heat exchange process between high-temperature steam and lower-temperature water to make water obtain the heat in steam, thereby achieving heating or steam cooling.

[0003] During processing or assembly of the heat exchanger, the inner wall of the outer cylinder of the heat exchanger needs to be cleaned. At the same time, after the heat exchanger has been used for a period of time, scale will accumulate on the inner wall of the outer cylinder of the heat exchanger, which will not only affect the heat exchange efficiency but also reduce the service life of the heat exchanger. However, the two ends of the outer cylinder of the heat exchanger are generally closed, which is not convenient for the cleaning device to clean deeply.

[0004] An inner wall descaling device for an air-water heat exchanger is now proposed, which can clean the inner wall of an outer cylinder of the heat exchanger. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an inner wall descaling device for an air-water heat exchanger, which solves the above-mentioned problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an inner wall descaling device for an air-water heat exchanger, comprising a bottom plate and a box body, wherein the box body is mounted on the bottom plate, and further comprising:

[0007] The cleaning mechanism comprises a rotating drum, a linear motion member D, a motor B, a transmission pair B and an arc-shaped pressing block, wherein the rotating drum is rotatably connected to the box body, the linear motion member D is embedded and installed on the rotating drum, the motor B is detachably installed at the bottom of the box body, and the output shaft of the motor B is transmission-connected to the rotating drum through the transmission pair B, and further comprises:

[0008] The expansion assembly is installed on the output shaft of the linear motion member D and is used to push the arc-shaped pressing block to contact the inner wall of the outer cylinder of the heat exchanger.

[0009] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0010] Further technical solution: The expansion component includes a mounting seat, a support plate and a linear moving part E, the mounting seat is fixedly connected to the output shaft of the linear moving part D, the linear moving part E is embedded and installed on the mounting seat, the output shaft of the linear moving part E is fixedly connected to the arc-shaped pressure block, one end of the support plate is slidably matched with a slide groove provided on the arc-shaped pressure block, and the other end of the support plate is hinged on the mounting seat.

[0011] Further technical solution: The material taking mechanism includes a linear moving part A, a motor A, a transmission pair A, a Y-shaped bracket A, an electric rotating shaft, a mounting plate, and a linear moving part B. The linear moving part A is rotatably mounted on the box body, the motor A is detachably mounted on a partition fixedly mounted in the box body, the output shaft of the motor A is transmission-connected to the linear moving part A through the transmission pair A, the Y-shaped bracket A is detachably mounted on the output shaft of the linear moving part A, the electric rotating shaft fixedly connected to the mounting plate is mounted on the Y-shaped bracket A, and the linear moving part B is detachably mounted on the mounting plate, and further includes:

[0012] The grabbing assembly is installed on the output shaft of the linear motion part B and is used to grab the outer cylinder of the heat exchanger.

[0013] Further technical solution: The grabbing assembly includes a Y-shaped bracket B, an arc-shaped pressure block, a linear moving part C and an arc-shaped wiper block, the Y-shaped bracket B is detachably mounted on the output shaft of the linear moving part B, the two linear moving parts C are symmetrically mounted on the Y-shaped bracket B, the arc-shaped pressure block is detachably mounted on the output shaft of the linear moving part C, and the arc-shaped wiper block is detachably mounted on the arc-shaped surface of the arc-shaped pressure block.

[0014] Further technical solution: There are a plurality of linear motion parts B and they are evenly arranged along the length direction of the mounting plate.

[0015] Further technical solution: The linear motion parts E are provided in multiple groups and are evenly arranged in a ring shape on the mounting seat.

[0016] Further technical solution: The end angles of both ends of the arc-shaped pressing block are acute angles.

[0017] Further technical solution: the support plates are arranged in groups of two and are symmetrically arranged on both sides of the linear motion part E.

[0018] The present invention provides an inner wall descaling device for an air-water heat exchanger, which has the following beneficial effects compared with the prior art:

[0019] 1. The electric rotating shaft in the present invention can push the mounting plate to rotate in the vertical direction, so that the opening faces the vertically placed outer cylinder of the heat exchanger, and at the same time, the motor A is started, and the motor A drives the linear moving part A to drive the Y-shaped bracket A to rotate through the transmission pair A, so that the free end of the mounting plate is located at the high end, and at this time, the linear moving part A is started to drive the Y-shaped bracket A to drive linear movement until the outer cylinder of the heat exchanger is located between the two arc-shaped wiping blocks, and at this time, the linear moving part C is started to drive the arc-shaped pressing block to drive the arc-shaped wiping block to move linearly, and the two arc-shaped wiping blocks perform linear movement in opposite directions, and the outer cylinder of the heat exchanger is pressed to complete the grasping of the heat exchanger. Take action, at this time, the electric shaft drives the mounting plate to reset, causing the opening to move downward, and at this time, the linear motion part B is started to push the outer cylinder of the heat exchanger to perform linear motion in the vertical direction, so that the central axis of the outer cylinder of the heat exchanger is coaxial with the central axis of the linear motion part D. At this time, the linear motion part D is started to push the rotating cylinder to perform linear motion, causing the arc-shaped pressing block to move to the inside of the heat exchanger, and at this time, the linear motion part E is started to push the arc-shaped pressing block to perform linear motion, causing it to contact the inner wall of the outer cylinder of the heat exchanger. At this time, the motor B and the linear motion part D are started, causing the arc-shaped pressing block to perform a spiral motion trajectory, thereby achieving a technical effect of cleaning the inside of the outer cylinder of the heat exchanger;

[0020] 2. In the present invention, the linear moving part E can push the arc-shaped pressure block to perform linear motion. The three arc-shaped pressure blocks limit the outer cylinder of the heat exchanger by pressing the inner wall of the outer cylinder of the heat exchanger. At this time, the motor B is started, and the motor B drives the rotating cylinder to rotate in the horizontal direction through the transmission pair B. At this time, the rotating cylinder drives the arc-shaped pressure blocks to push the outer cylinder of the heat exchanger to rotate in the horizontal direction. At this time, the linear moving part A pushes the mounting plate to drive the arc-shaped wiper block to perform reciprocating linear motion along the length direction of the outer cylinder of the heat exchanger, thereby achieving the technical effect of cleaning or polishing the outer wall of the outer cylinder of the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the overall structure of the present invention.

[0023] Figure 3 It is a structural schematic diagram of the material taking mechanism of the present invention.

[0024] Figure 4 It is a schematic structural diagram of the cleaning mechanism of the present invention.

[0025] Figure 5 It is a schematic diagram of the structure of the outer cylinder of the heat exchanger in the present invention.

[0026] Notes on the figure numbers: 1. Base plate; 2. Box body; 3. Material taking mechanism; 301. Linear moving part A; 302. Motor A; 303. Transmission pair A; 304. Y-shaped bracket A; 305. Electric shaft; 306. Mounting plate; 307. Linear moving part B; 308. Grabbing assembly; 3081. Y-shaped bracket B; 3082. Arc pressure block; 3083. Linear moving part C; 3084. Arc wiping block; 4. Cleaning mechanism; 401. Rotating drum; 402. Linear moving part D; 403. Motor B; 404. Transmission pair B; 405. Expansion assembly; 4051. Mounting seat; 4052. Support plate; 4053. Linear moving part E; 406. Arc pressure block; 5. Outer drum of heat exchanger. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0029] See also Figure 1 to Figure 5 , provided in one embodiment of the present invention, is an inner wall descaling device for an air-water heat exchanger, comprising a bottom plate 1 and a box body 2, wherein the box body 2 is mounted on the bottom plate 1, and further comprising:

[0030] The material taking mechanism 3 is installed on the box body 2 and is used for taking and placing the outer cylinder of the heat exchanger;

[0031] A cleaning mechanism, installed on the box body 2 and located below the material taking mechanism 3, is used to clean the inside of the heat exchanger outer tube 5;

[0032] The cleaning mechanism includes a drum 401, a linear motion member D402, a motor B403, a transmission pair B404 and an arc-shaped pressing block 406, wherein the drum 401 is rotatably connected to the housing 2, the linear motion member D402 is embedded and installed on the drum 401, the motor B403 is detachably installed at the bottom of the housing 2, and the output shaft of the motor B403 is transmission-connected to the drum 401 through the transmission pair B404, and further includes:

[0033] The expansion assembly 405 is mounted on the output shaft of the linear motion member D402 and is used to push the arc-shaped pressing block 406 to contact the inner wall of the heat exchanger outer cylinder 5;

[0034] Among them, the expansion component 405 includes a mounting seat 4051, a support plate 4052 and a linear moving part E4053. The mounting seat 4051 is fixedly connected to the output shaft of the linear moving part D402, and the linear moving part E4053 is embedded and installed on the mounting seat 4051. The output shaft of the linear moving part E4053 is fixedly connected to the arc-shaped pressure block 406. One end of the support plate 4052 slides with a slide groove (not marked in the figure) provided on the arc-shaped pressure block 406. The other end of the support plate 4052 is hinged on the mounting seat 4051. The support plates 4052 are arranged in groups of two and symmetrically on both sides of the linear moving part E4053. The linear moving part E4053 is used to push the arc-shaped pressure block 406 to perform linear motion, so that the arc-shaped pressure block 406 contacts the inner wall of the heat exchanger. At the same time, the support plate 4052 can support the arc-shaped pressure block 406 to prevent the arc-shaped pressure block 406 from shaking when it rotates.

[0035] The material taking mechanism 3 includes a linear moving part A301, a motor A302, a transmission pair A303, a Y-shaped bracket A304, an electric shaft 305, a mounting plate 306, and a linear moving part B307. The linear moving part A301 is rotatably mounted on the box body 2. The motor A302 is detachably mounted on a partition (not shown) fixedly mounted in the box body 2. The output shaft of the motor A302 is transmission-connected to the linear moving part A301 through the transmission pair A303. The Y-shaped bracket A304 is detachably mounted on the output shaft of the linear moving part A301. The electric shaft 305 fixedly connected with the mounting plate 306 is mounted on the Y-shaped bracket A304. The linear moving part B307 is detachably mounted on the mounting plate 306. The material taking mechanism 3 includes:

[0036] The grabbing assembly 308 is mounted on the output shaft of the linear motion member B307 and is used to grab the outer cylinder 5 of the heat exchanger;

[0037] Among them, the grabbing assembly 308 includes a Y-shaped bracket B3081, an arc-shaped pressure block 3082, a linear moving part C3083 and an arc-shaped wiper 3084. The Y-shaped bracket B3081 is detachably mounted on the output shaft of the linear moving part B307. The two linear moving parts C3083 are symmetrically mounted on the Y-shaped bracket B3081. The arc-shaped pressure block 3082 is detachably mounted on the output shaft of the linear moving part C3083. The arc-shaped wiper 3084 is detachably mounted on the arc-shaped surface of the arc-shaped pressure block 3082. The linear moving part C3083 pushes the arc-shaped pressure block 3082 to perform linear motion. At this time, the two arc-shaped pressure blocks 3082 perform linear motion in the motion direction, pushing the two arc-shaped wipers 3084 to grab the vertically placed outer cylinder 5 of the heat exchanger.

[0038] Preferably, there are a plurality of linear motion parts B307 which are evenly arranged along the length direction of the mounting plate 306. The purpose of such arrangement is to increase the gripping portion of the heat exchanger outer cylinder 5 to prevent the heat exchanger outer cylinder 5 from falling during the gripping process.

[0039] Preferably, the linear motion member is an electric telescopic rod. The purpose of this arrangement is to push an object mounted on its output shaft to perform linear motion. Therefore, in some embodiments, the linear motion member can also be configured as a cylinder or a hydraulic cylinder.

[0040] Preferably, the transmission pair A303 and the transmission pair B404 are configured as gear pairs. Those skilled in the art should know that the purpose of such a configuration is to perform rotational transmission. Therefore, in some embodiments, the transmission pair A303 and the transmission pair B404 can also be configured as pulley pairs.

[0041] Preferably, the linear motion parts E4053 are provided in multiple groups and are evenly arranged in a ring shape on the mounting seat 4051. In this embodiment, three linear motion parts E4053 are provided, that is, three arc-shaped pressing blocks 406 corresponding thereto are provided.

[0042] Preferably, the end angles of both ends of the arc-shaped pressing block 406 are acute angles. The purpose of this arrangement is to facilitate the removal of debris adhering to the inner wall of the outer tube 5 of the heat exchanger.

[0043] In the embodiment of the present invention, the electric rotating shaft 305 pushes the mounting plate 306 to rotate in the vertical direction, so that the opening of 308 faces the vertically placed outer cylinder 5 of the heat exchanger, and at the same time, the motor A302 is started. The motor A302 pushes the linear motion member A301 through the transmission pair A303 to drive the Y-shaped bracket A304 to rotate, so that the free end of the mounting plate 306 is located at the high end. At this time, the linear motion member A301 is started to push the Y-shaped bracket A304 to drive 308 to perform linear motion until the outer cylinder 5 of the heat exchanger is located between the two arc-shaped wipers 3084. At this time, The linear motion part C3083 is started to push the arc pressure block 3082 to drive the arc wiper 3084 to perform linear motion. The two arc wipers 3084 perform linear motion in opposite directions to press the outer cylinder 5 of the heat exchanger to complete the grabbing action of the heat exchanger. At this time, the electric shaft 305 drives the mounting plate 306 to reset, causing the opening 308 to face downward. At this time, the linear motion part B307 is started to push the outer cylinder 5 of the heat exchanger to perform linear motion in the vertical direction, causing the central axis of the outer cylinder 5 of the heat exchanger to be coaxial with the central axis of the linear motion part D402. At this time, the linear motion part B307 is started to push the outer cylinder 5 of the heat exchanger to perform linear motion in the vertical direction, causing the central axis of the outer cylinder 5 of the heat exchanger to be coaxial with the central axis of the linear motion part D402. The moving part D402 pushes the rotating drum 401 to perform linear motion, causing the arc-shaped pressing block 406 to move to the inside of the heat exchanger. At this time, the linear moving part E4053 is started to push the arc-shaped pressing block 406 to perform linear motion, causing 606 to contact the inner wall of the outer drum 5 of the heat exchanger. At this time, the motor B403 and the linear moving part D402 are started to cause the arc-shaped pressing block 406 to perform a spiral motion, thereby achieving a technical effect of cleaning the inside of the outer drum 5 of the heat exchanger. Further, the linear moving part E4053 can push the arc-shaped pressing block 406 to perform linear motion. The three arcs The arc-shaped pressing block 406 limits the outer cylinder 5 of the heat exchanger by pressing the inner wall of the outer cylinder 5 of the heat exchanger. At this time, the motor B403 is started, and the motor B403 drives the rotating cylinder 401 to rotate in the horizontal direction through the transmission pair B404. At this time, the rotating cylinder 401 drives the arc-shaped pressing block 406 to push the outer cylinder 5 of the heat exchanger to rotate in the horizontal direction. At this time, the linear moving part A301 drives the mounting plate 306 to drive the arc-shaped wiping block 3084 to perform reciprocating linear motion along the length direction of the outer cylinder 5 of the heat exchanger, thereby achieving the technical effect of cleaning or polishing the outer wall of the outer cylinder 5 of the heat exchanger.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inner wall descaling device for an air-water heat exchanger, comprising a base plate (1) and a box body (2), wherein the box body (2) is mounted on the base plate (1), and characterized in that: Also includes: A material taking mechanism (3) is installed on the box body (2) and is used for taking and placing the outer cylinder of the heat exchanger; A cleaning mechanism, installed on the box body (2) and located below the material taking mechanism (3), and used for cleaning the interior of the heat exchanger outer cylinder (5); The cleaning mechanism comprises a rotating drum (401), a linear moving part D (402), a motor B (403), a transmission pair B (404) and an arc-shaped pressing block (406), wherein the rotating drum (401) is rotatably connected to the housing (2), the linear moving part D (402) is embedded and installed on the rotating drum (401), the motor B (403) is detachably installed on the bottom of the housing (2), and the output shaft of the motor B (403) is transmission-connected to the rotating drum (401) via the transmission pair B (404), and further comprises: The expansion assembly (405) is mounted on the output shaft of the linear moving member D (402) and is used to push the arc-shaped pressing block (406) to contact the inner wall of the outer cylinder (5) of the heat exchanger.

2. The inner wall descaling device for an air-water heat exchanger according to claim 1, characterized in that: The expansion component (405) comprises a mounting seat (4051), a support plate (4052) and a linear moving part E (4053); the mounting seat (4051) is fixedly connected to the output shaft of the linear moving part D (402); the linear moving part E (4053) is embedded and installed on the mounting seat (4051); the output shaft of the linear moving part E (4053) is fixedly connected to the arc-shaped pressing block (406); one end of the support plate (4052) is slidably matched with a slide groove provided on the arc-shaped pressing block (406); and the other end of the support plate (4052) is hinged on the mounting seat (4051).

3. The inner wall descaling device for an air-water heat exchanger according to claim 1, characterized in that: The material taking mechanism (3) comprises a linear moving part A (301), a motor A (302), a transmission pair A (303), a Y-shaped bracket A (304), an electric rotating shaft (305), a mounting plate (306), and a linear moving part B (307), wherein the linear moving part A (301) is rotatably mounted on the box body (2), the motor A (302) is detachably mounted on a partition plate fixedly mounted in the box body (2), the output shaft of the motor A (302) is transmission-connected to the linear moving part A (301) through the transmission pair A (303), the Y-shaped bracket A (304) is detachably mounted on the output shaft of the linear moving part A (301), the electric rotating shaft (305) fixedly connected to the mounting plate (306) is mounted on the Y-shaped bracket A (304), and the linear moving part B (307) is detachably mounted on the mounting plate (306), and further comprises: The grabbing assembly (308) is mounted on the output shaft of the linear moving member B (307) and is used to grab the outer cylinder (5) of the heat exchanger.

4. The inner wall descaling device for an air-water heat exchanger according to claim 3, characterized in that: The grabbing assembly (308) comprises a Y-shaped bracket B (3081), an arc-shaped pressing block (3082), a linear moving part C (3083) and an arc-shaped wiping block (3084), wherein the Y-shaped bracket B (3081) is detachably mounted on the output shaft of the linear moving part B (307), the two linear moving parts C (3083) are symmetrically mounted on the Y-shaped bracket B (3081), the arc-shaped pressing block (3082) is detachably mounted on the output shaft of the linear moving part C (3083), and the arc-shaped wiping block (3084) is detachably mounted on the arc-shaped surface of the arc-shaped pressing block (3082).

5. The inner wall descaling device for an air-water heat exchanger according to claim 3, characterized in that: The linear motion parts B (307) are provided in plurality and are evenly arranged along the length direction of the mounting plate (306).

6. The inner wall descaling device for an air-water heat exchanger according to claim 2, characterized in that: The linear motion parts E (4053) are provided in multiple groups and are evenly arranged in a ring shape on the mounting seat (4051).

7. The inner wall descaling device for an air-water heat exchanger according to claim 2, characterized in that: The end angles of both ends of the arc-shaped pressing block (406) are acute angles.

8. The inner wall descaling device for an air-water heat exchanger according to claim 2, characterized in that: The support plates (4052) are arranged in groups of two and are symmetrically arranged on both sides of the linear motion member E (4053).

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