CN113600564A - Bellows group cleaning device - Google Patents

Bellows group cleaning device Download PDF

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Publication number
CN113600564A
CN113600564A CN202111005831.4A CN202111005831A CN113600564A CN 113600564 A CN113600564 A CN 113600564A CN 202111005831 A CN202111005831 A CN 202111005831A CN 113600564 A CN113600564 A CN 113600564A
Authority
CN
China
Prior art keywords
cleaning
slide rail
base
bellows
cleaning device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111005831.4A
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Chinese (zh)
Inventor
刘红
潘丹琦
蒋哲琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University of Technology ZJUT
Original Assignee
Zhejiang University of Technology ZJUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Zhejiang University of Technology ZJUT filed Critical Zhejiang University of Technology ZJUT
Priority to CN202111005831.4A priority Critical patent/CN113600564A/en
Publication of CN113600564A publication Critical patent/CN113600564A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/023Cleaning the external surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

A cleaning device for a corrugated pipe group belongs to the technical field of corrugated pipe cleaning. The cleaning brush rack comprises a base, base bottom two sides are provided with base slide rails, each base slide rail is provided with a base slide block in a matched mode, one side of the base slide block is provided with a cleaning slide rail sleeve, the other side of the base slide block is provided with a cleaning slide rail, one end of the cleaning slide rail is inserted in the cleaning slide rail sleeve in a matched mode, a rotating slide block is arranged on the cleaning slide rail in a sliding mode, an upright frame is arranged on the rotating slide block, a group of cleaning brush racks are fixed to two sides of the upright frame respectively, and cleaning sponges are arranged on the cleaning brush racks respectively. The corrugated pipe cleaning device can be used for integrally cleaning the corrugated pipes distributed according to a certain rule, the corrugated pipes do not need to be disassembled, the disassembling and assembling links of the corrugated pipes are omitted, and the corrugated pipe cleaning device is more convenient and efficient; the device can clean one side of the two rows of corrugated pipes simultaneously, and has high efficiency.

Description

Bellows group cleaning device
Technical Field
The invention belongs to the technical field of corrugated pipe cleaning, and particularly relates to a corrugated pipe group cleaning device.
Background
The heat in the high temperature waste gas that smoke stove waste heat recovery device will smoke the stove and discharge passes through the heat transfer core and transmits the new trend that gets into the smoke stove, and new trend and waste gas flow perpendicularly in the heat transfer core, and the new trend flows into from the bellows inside of heat transfer core, and waste gas flows out from the bellows outside, has the grease by the way in the waste gas, uses for a long time and can make the bellows outer wall adhere to the grease, influences waste heat recovery's efficiency, consequently needs regularly to wash the bellows outer wall.
The heat transfer core is that many bellows arrange according to certain law, and every bellows is all dismantled the cleaning efficiency extremely low, and dismantles inconveniently, and current bellows cleaning device most is to single bellows, or need dismantle the bellows and wash, can not wash many bellows that arrange according to certain law. For example, patent publications are: CN112718718A, patent name: in the publication of "a fine cleaning apparatus for the outer wall of a corrugated pipe", a corrugated pipe is centered and held from the inside by moving an arc-shaped pressing block outward, and then the outer wall is cleaned by rotation, but it requires a single cleaning after detaching the corrugated pipe. The patent publication numbers are: CN109351718A, patent name: the technical scheme recorded in the publication of 'a bellows cleaning and drying integrated device' can be used for cleaning a plurality of bellows simultaneously, but cannot be used for cleaning the bellows without disassembling the bellows, and all the bellows still need to be disassembled and then put into the device. The patent publication numbers are: CN213316637U, patent name: the technical scheme recorded in the publication of 'an oil smoke bellows gap cleaning equipment' can effectively clean the bellows gap, but can only clean the inner wall of the bellows.
Disclosure of Invention
In view of the above problems in the prior art, it is an object of the present invention to provide a bellows cleaning device that can clean a heat exchange core as a whole.
The invention provides the following technical scheme: a bellows set cleaning device, characterized in that: the cleaning brush rack comprises a base, base bottom both sides are provided with the base slide rail, every the cooperation is provided with the base slider on the base slide rail, one side be equipped with on the base slider and wash the slide rail cover, the opposite side be provided with on the base slider and wash the slide rail, the one end cooperation of wasing the slide rail is pegged graft in wasing the slide rail cover, it is provided with rotatory slider to slide on the washing slide rail, be equipped with the grudging post on the rotatory slider, the both sides of grudging post are fixed with a set of cleaning brush frame respectively, every all be equipped with the cleaning sponge on the cleaning brush frame.
The cleaning device for the corrugated pipe group is characterized in that the interior of the vertical frame is of a hollow structure, and holes are formed in the joints of the lower portion of the vertical frame and the two sides of the vertical frame and the cleaning brush holder and used for arranging cleaning agent pipelines.
The cleaning device for the corrugated pipe group is characterized in that the cleaning brush holder is of an arc-shaped structure, a hole is formed in the joint of the cleaning brush holder and the vertical frame, an internal pipeline communicated with the hole is formed in the cleaning brush holder, and a plurality of cleaning spray heads communicated with the internal pipeline are arranged on the surface of the inner side of the cleaning brush holder and used for spraying cleaning agent.
The cleaning device for the bellows group is characterized in that the cleaning sponge is mounted on the inner side of the cleaning brush holder in a sticking and buckling mode, and a hole structure for avoiding the cleaning spray head is arranged on the cleaning sponge.
The corrugated pipe group cleaning device is characterized in that a rotating table is arranged on the rotating slide block, the vertical frame is arranged on the rotating table, and the vertical frame realizes 90-degree rotating motion through the rotating table.
The cleaning device for the bellows group is characterized in that two ends of a cleaning slide rail are respectively in joggle connection with corresponding cleaning slide rail sleeves, a left butterfly bolt and a right butterfly bolt for fixing are respectively arranged on base sliding blocks on two sides of the cleaning slide rail, a motor is fixedly mounted on the cleaning slide rail, the output end of the motor is connected with a lead screw, and the lead screw is connected with the cleaning slide rail sleeves through a bearing.
The cleaning device for the corrugated pipe group is characterized in that two supporting frames used for positioning and supporting the corrugated pipe are arranged on the upper portion of the base.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
1) the corrugated pipe cleaning device can be used for integrally cleaning the corrugated pipes distributed according to a certain rule, the corrugated pipes do not need to be disassembled, the disassembling and assembling links of the corrugated pipes are omitted, and the corrugated pipe cleaning device is more convenient and efficient;
2) the device can clean one side of two rows of corrugated pipes simultaneously, and has high efficiency;
3) in the structure of the invention, the spaces for arranging the cleaning agent pipelines are reserved in the vertical frame and the cleaning brush frame, so that the cleaning agent can be sprayed out during cleaning, and the cleaning effect is better;
4) in the structure of the invention, the adopted cleaning sponge is soft and can be attached to the pipe wall of the corrugated pipe without cleaning dead angles, so that the cleaning effect is better;
5) in the structure of the invention, the cleaning sponge and the cleaning brush holder are connected through the sticking buckle, so that the cleaning sponge and the cleaning brush holder are convenient to disassemble, clean and replace.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic view of a structure of a brush holder for cleaning according to the present invention;
FIG. 3 is a schematic view of the structure of the cleaning sponge of the present invention;
FIG. 4 is a schematic view of the assembly of the stand and the brush holder of the present invention;
FIG. 5 is a schematic view of the lower structure of the present invention;
FIG. 6 is a schematic view of the installation structure of the cleaning slide rail sleeve and the base slide block according to the present invention;
FIG. 7 is a schematic view of a base structure of the present invention;
FIG. 8 is a schematic perspective view of a cleaning preparation stage in accordance with an embodiment of the present invention;
FIG. 9 is a schematic top view of a cleaning preparation stage in accordance with an embodiment of the present invention;
FIG. 10 is a schematic perspective view of a cleaning start stage according to an embodiment of the present invention.
In the figure: 1. a base; 2. a base slide rail; 3. cleaning the sliding rail sleeve; 4. rotating the slide block; 5. cleaning the slide rail; 6. cleaning the brush holder; 7. erecting a frame; 8. cleaning the sponge; 9a, a left butterfly bolt; 9b, a right butterfly bolt; 10. a motor; 11. a bearing; 12. a screw rod; 13. a left end cap; 14. a bellows; 15. and a right end cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Example (b):
referring to fig. 1-10, a cleaning device for a bellows group, which is suitable for cleaning a heat exchange core of a waste heat recovery device of a smoking oven with 16 bellows 14 arranged according to a 4X4 rule, comprises a base 1, base slide rails 2, a cleaning slide rail sleeve 3, a rotary slide block 4, a cleaning slide rail 5, a cleaning brush holder 6, a vertical stand 7, a cleaning sponge 8, a left butterfly bolt 9a, a right butterfly bolt 9b, a motor 10, a bearing 11, a screw rod 12, a left end cover 13, a bellows 14, and a right end cover 15, wherein the base slide rails 2 are arranged on two sides of the bottom surface of the base 1, a base slide block is arranged on each base slide rail 2 in a matching manner, the cleaning slide rail sleeve 3 is arranged on one side of the base slide block, the cleaning slide rail 5 is arranged on the other side of the base slide block, the cleaning slide rail sleeve 3 is joggled with the cleaning slide rail 5 and then is connected with the base slide rails 2 in a sliding manner through the base slide block, the upper ends of the base slide blocks on two sides are respectively provided with the left butterfly bolt 9a right bolt 9a butterfly bolt 9b for positioning the base slide block, the cleaning slide rail 5 is provided with a motor 10, a screw rod 12 and a bearing 11 for controlling the movement of the rotary slide block 4, the rotary slide block 4 is provided with a rotary table, the vertical frame 7 is fixed on the rotary table, the two sides of the vertical frame 7 are respectively connected with four cleaning brush frames 6, and each cleaning brush frame 6 is connected with a cleaning sponge 8 through a sticking buckle.
The lower end of each vertical frame 7 is provided with a hole, the interior of each vertical frame 7 is hollow, and the joint of each vertical frame 7 and the cleaning brush frame 6 is provided with a hole communicated with the interior space and used for arrangement of cleaning agent pipelines.
The cleaning brush frame 6 is semicircular, a hole is formed in the joint of the cleaning brush frame 6 and the vertical frame 7, a pipeline is arranged in the cleaning brush frame and communicated with the hole, and five cleaning spray heads are arranged on the inner surface of the cleaning brush frame 6 and communicated with the inner pipeline for spraying cleaning agent.
The cleaning sponge 8 is left empty corresponding to five cleaning nozzles, and the outer side surface is provided with a sticking buckle structure, so that the cleaning sponge 8 is convenient to clean after being detached, and the cleaning sponge 8 is replaced with a new cleaning sponge 8.
The rotating slide block 4 is provided with a rotating platform which can rotate 90 degrees and is used for rotating after the stand 7 is inserted into the gap of the corrugated pipe 14 so that the cleaning sponge 8 contacts the corrugated pipe 14 and enters a cleaning stage.
The support is arranged on two sides of the upper end of the base 1, the corrugated pipe 14 can be positioned and supported, and the movement of the corrugated pipe 14 in the left and right directions can be restrained.
The working principle is as follows:
the front and rear positions of the cleaning slide 5 are manually adjusted, and after confirming the positions, the left butterfly bolt 9a and the right butterfly bolt 9b on both sides are tightened to control the rotary table so that the vertical frame 7 is rotated to the position where the cleaning brush frame 6 on both sides faces the supporting part of the base 1. The heat exchange core is integrally taken out of the smoking furnace, the first row of corrugated pipes 14 are clamped into the base 1 by adhering to the vertical frame 7, the vertical frame 7 is controlled to rotate by 90 degrees, the cleaning stage is started, and the motor 10 controls the rotary slide block 4 to do reciprocating motion on the cleaning slide rail 5 for multiple times to complete the first cleaning. The vertical frame 7 is controlled to rotate 90 degrees, the heat exchange core is taken out, the left butterfly bolt 9a and the right butterfly bolt 9b on the two sides of the cleaning slide rail 5 are unscrewed, the cleaning slide rail 5 is manually adjusted to move for a certain distance, the butterfly bolts on the two sides are screwed, the gap between the first row of corrugated pipe 14 and the second row of corrugated pipe 14 is aligned to the vertical frame 7 and clamped into the base 1, the vertical frame 7 is controlled to rotate 90 degrees to enter the next cleaning stage, and the rotary slide block 4 performs reciprocating motion for several times to complete cleaning. And cleaning for three times according to the same steps to finish the integral cleaning of the heat exchange core.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A bellows set cleaning device, characterized in that: including base (1), base (1) bottom both sides are provided with base slide rail (2), every the cooperation is provided with the base slider on base slide rail (2), one side be equipped with on the base slider and wash slide rail cover (3), the opposite side be provided with on the base slider and wash slide rail (5), the one end cooperation of wasing slide rail (5) is pegged graft in wasing slide rail cover (3), it is provided with rotatory slider (4) to wash slide rail (5) go up to slide, be equipped with grudging post (7) on rotatory slider (4), the both sides of grudging post (7) are fixed with a set of washing brush yoke (6) respectively, every all be equipped with cleaning sponge (8) on washing brush yoke (6).
2. The cleaning device for the corrugated pipe group according to claim 1, wherein the inside of the vertical frame (7) is of a hollow structure, and holes are formed in the lower part of the vertical frame (7) and the joints of the two sides of the vertical frame and the cleaning brush holder (6) for arranging cleaning agent pipelines.
3. The cleaning device for the bellows group according to claim 2, wherein the cleaning brush holder (6) has an arc-shaped structure, a hole is formed at the joint of the cleaning brush holder and the upright frame (7), an internal pipeline communicated with the hole is formed inside the cleaning brush holder, and a plurality of cleaning nozzles communicated with the internal pipeline are arranged on the inner side surface of the cleaning brush holder (6) and used for spraying a cleaning agent.
4. The bellows group cleaning device according to claim 2, wherein the cleaning sponge (8) is mounted on the inner side of the cleaning brush holder (6) by sticking buttons, and the cleaning sponge (8) is provided with a hole structure avoiding the cleaning nozzle.
5. A bellows group cleaning device according to claim 1, characterized in that a rotary table is provided on the rotary slide (4), on which rotary table the stand (7) is provided, by means of which rotary table the stand (7) is brought into 90 ° rotary motion.
6. The bellows group cleaning device according to claim 1, wherein two ends of the cleaning slide rail (5) are respectively joggled with the corresponding cleaning slide rail sleeve (3), the base slide blocks at two sides are respectively provided with a left butterfly bolt (9 a) and a right butterfly bolt (9 b) for fixing, a motor (10) is fixedly installed on the cleaning slide rail (5), the output end of the motor (10) is connected with a screw rod (12), and the screw rod (12) is connected with the cleaning slide rail sleeve (3) through a bearing (11).
7. A bellows group cleaning device according to claim 1, characterized in that two support frames for positioning and supporting the bellows are arranged on the upper part of the base (1).
CN202111005831.4A 2021-08-30 2021-08-30 Bellows group cleaning device Pending CN113600564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111005831.4A CN113600564A (en) 2021-08-30 2021-08-30 Bellows group cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111005831.4A CN113600564A (en) 2021-08-30 2021-08-30 Bellows group cleaning device

Publications (1)

Publication Number Publication Date
CN113600564A true CN113600564A (en) 2021-11-05

Family

ID=78309688

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111005831.4A Pending CN113600564A (en) 2021-08-30 2021-08-30 Bellows group cleaning device

Country Status (1)

Country Link
CN (1) CN113600564A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10139598A1 (en) * 2001-08-11 2003-02-20 Trojan Techn Inc Cleaning equipment for bank of quartz UV disinfection tubes in drain channel, has carriage moved by common linear drive
CN2546280Y (en) * 2002-07-02 2003-04-23 程宗文 Pneumatic brushing & wiping drive mechanism for cleaning sides of vehicle
FR2951093A1 (en) * 2009-10-13 2011-04-15 Chayoux Device for cleaning outer side of pipe, has brushing unit equipped with two brushes that are articulated to pass from opened position to closed position and vice versa, and space receiving pipe
CN202239055U (en) * 2011-09-06 2012-05-30 上海安美特铝业有限公司 Automatic cleaning device for aluminum plate flattening machine
CN103042011A (en) * 2013-01-18 2013-04-17 德威华泰(北京)科技有限公司 Array type clearing device for tubular equipment
CN203010982U (en) * 2012-12-25 2013-06-19 淮阴工学院 Automatic cleaning device for surfaces of heat collecting racking pipes of solar water heater
CN204880816U (en) * 2015-07-01 2015-12-16 尤希旺 Take protection device's solar water heater
CN108435717A (en) * 2018-05-14 2018-08-24 江苏康大联合节能科技有限公司 A kind of vapour gas combined highly effective cleaning system being exclusively used in nonmetallic heat exchanger
CN110369406A (en) * 2019-08-09 2019-10-25 迟倩倩 A kind of extruding cleaning device of heat exchanger tube
CN111922014A (en) * 2020-08-18 2020-11-13 衡山兄弟金属制品有限公司 Glass tube cleaning device
CN212168409U (en) * 2020-04-27 2020-12-18 阿尔德拉科技(深圳)有限公司 Ultraviolet lamp tube cleaning device
US20210254912A1 (en) * 2017-09-29 2021-08-19 Johannes Stickling Cleaning apparatus for cooling tube array
CN214022408U (en) * 2020-12-03 2021-08-24 江苏曙光压力容器有限公司 Heat exchanger with self-cleaning structure
CN215466718U (en) * 2021-08-30 2022-01-11 浙江工业大学 Bellows group cleaning device

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10139598A1 (en) * 2001-08-11 2003-02-20 Trojan Techn Inc Cleaning equipment for bank of quartz UV disinfection tubes in drain channel, has carriage moved by common linear drive
CN2546280Y (en) * 2002-07-02 2003-04-23 程宗文 Pneumatic brushing & wiping drive mechanism for cleaning sides of vehicle
FR2951093A1 (en) * 2009-10-13 2011-04-15 Chayoux Device for cleaning outer side of pipe, has brushing unit equipped with two brushes that are articulated to pass from opened position to closed position and vice versa, and space receiving pipe
CN202239055U (en) * 2011-09-06 2012-05-30 上海安美特铝业有限公司 Automatic cleaning device for aluminum plate flattening machine
CN203010982U (en) * 2012-12-25 2013-06-19 淮阴工学院 Automatic cleaning device for surfaces of heat collecting racking pipes of solar water heater
CN103042011A (en) * 2013-01-18 2013-04-17 德威华泰(北京)科技有限公司 Array type clearing device for tubular equipment
CN204880816U (en) * 2015-07-01 2015-12-16 尤希旺 Take protection device's solar water heater
US20210254912A1 (en) * 2017-09-29 2021-08-19 Johannes Stickling Cleaning apparatus for cooling tube array
CN108435717A (en) * 2018-05-14 2018-08-24 江苏康大联合节能科技有限公司 A kind of vapour gas combined highly effective cleaning system being exclusively used in nonmetallic heat exchanger
CN110369406A (en) * 2019-08-09 2019-10-25 迟倩倩 A kind of extruding cleaning device of heat exchanger tube
CN212168409U (en) * 2020-04-27 2020-12-18 阿尔德拉科技(深圳)有限公司 Ultraviolet lamp tube cleaning device
CN111922014A (en) * 2020-08-18 2020-11-13 衡山兄弟金属制品有限公司 Glass tube cleaning device
CN214022408U (en) * 2020-12-03 2021-08-24 江苏曙光压力容器有限公司 Heat exchanger with self-cleaning structure
CN215466718U (en) * 2021-08-30 2022-01-11 浙江工业大学 Bellows group cleaning device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
孙晶丹: "《营养师带你远离食品安全危机》", 31 December 2017, 四川人民出版社 *
秦泉: "《巧主妇的家务窍门》", 31 August 2014, 江西科学技术出版社 *

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CB03 Change of inventor or designer information

Inventor after: Liu Hong

Inventor after: Jiang Zheqi

Inventor after: Pan Danqi

Inventor before: Liu Hong

Inventor before: Pan Danqi

Inventor before: Jiang Zheqi

CB03 Change of inventor or designer information
RJ01 Rejection of invention patent application after publication

Application publication date: 20211105

RJ01 Rejection of invention patent application after publication