CN114963850A - Cleaning equipment and cleaning process for wound tube type heat exchanger - Google Patents

Cleaning equipment and cleaning process for wound tube type heat exchanger Download PDF

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Publication number
CN114963850A
CN114963850A CN202210523009.5A CN202210523009A CN114963850A CN 114963850 A CN114963850 A CN 114963850A CN 202210523009 A CN202210523009 A CN 202210523009A CN 114963850 A CN114963850 A CN 114963850A
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CN
China
Prior art keywords
fixedly connected
plate
heat exchanger
sliding
cleaning
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CN202210523009.5A
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Chinese (zh)
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CN114963850B (en
Inventor
赵明理
王斌
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Ningbo Zhenhai Ziteng Cleaning Service Co ltd
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Ningbo Zhenhai Ziteng Cleaning Service Co ltd
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Publication of CN114963850A publication Critical patent/CN114963850A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/02—Non-rotary, e.g. reciprocated, appliances having brushes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F28G15/02—Supports for cleaning appliances, e.g. frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F28G15/04—Feeding and driving arrangements, e.g. power operation
    • F28G15/06—Automatic reversing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents

Abstract

The invention relates to the field of heat exchangers, in particular to cleaning equipment and a cleaning process for a wound tube type heat exchanger. The technical problem is that: because the heat transfer pipes of the heat exchanger pipe bundle are formed by alternately winding according to the spiral line shape, the dirt on the wall hanging of the heat exchanger pipe bundle is not easy to clean, the time is long, and a large amount of water resources are wasted. The technical scheme is as follows: a cleaning device for a wound tube type heat exchanger comprises a bottom frame, a clamping system and the like; the bottom frame is connected with a clamping system. The first cleaning system is designed, so that the caked dirt on the wall hanging at the middle part of the heat exchanger tube bundle is cleaned through the guide rod and the high-pressure nozzle, the wall hanging of the heat exchanger tube bundle with the same size and the same pipe diameter and different lengths is cleaned, the dirt on the wall hanging of the heat exchanger tube bundle is prevented from being manually cleaned, a large amount of time is saved, and the working efficiency is improved.

Description

Cleaning equipment and cleaning process for wound tube type heat exchanger
Technical Field
The invention relates to the field of heat exchangers, in particular to cleaning equipment and a cleaning process for a wound tube type heat exchanger.
Background
At present, a plurality of factories use detachable spiral winding tube type heat exchangers, and after the detachable spiral winding tube type heat exchangers are used for a long period of time, caking dirt can be generated on heat exchanger tube bundles of the detachable spiral winding tube type heat exchangers, and attachments can be generated on the inner walls of the heat exchanger tube bundles, so that the heat exchanger tube bundles in the detachable spiral winding tube type heat exchangers need to be detached for cleaning, and the efficient use of the spiral winding tube type heat exchangers is ensured;
the existing Chinese patent: (201810160456.2) a cleaning and dredging device for a tube type heat exchanger, which can contact with the inner wall of a heating tube through a spiral head to scrape impurities such as water scale on the inner wall of the heating tube, but the spiral head can not be adjusted, so that when entering a heat exchanger tube bundle of a spiral wound tube type heat exchanger, the spiral head is easily clamped by the heat exchanger tube bundle, and can only dredge the heat transfer tubes of the tubes, but can not clean the wall built-up of the heat exchanger tube bundle;
in the prior art, because the heat transfer tubes of the heat exchanger tube bundle are alternately wound according to the spiral line shape, the spiral directions of two adjacent layers of spiral heat transfer tubes are opposite, and a certain distance is kept by adopting a certain-shaped distance piece, the caking dirt on the wall of the heat exchanger tube bundle needs to be manually washed by a high-pressure water gun against the caking dirt until falling off, so that the caking dirt on the wall of the heat exchanger tube bundle is difficult to wash, the time is long, a large amount of water resources are wasted, and because the heat transfer tubes of the heat exchanger tube bundle are spiral, when a washing hose is manually stretched into the inner walls of the heat transfer tubes of the heat exchanger tube bundle, the washing hose is blocked by the inner walls of the heat transfer tubes of the heat exchanger tube bundle, so that the washing hose cannot enter the inner walls of the heat transfer tubes of the heat exchanger tube bundle to wash attachments, and the surface of the hose for manually washing the heat exchanger tube bundle is smooth, when the hose is pulled back, the attachments on the inner wall of the cleaned heat exchanger tube bundle can not be taken out together, so that the residual attachments block the heat transfer tubes of the heat exchanger tube bundle again.
Disclosure of Invention
The invention provides a cleaning device and a cleaning process for a wound tube type heat exchanger, aiming at overcoming the defects that dirt on a wall hanging of a heat exchanger tube bundle is not easy to clean, the time is long and a large amount of water resources are wasted because a heat transfer pipe of the heat exchanger tube bundle is wound alternately according to a spiral line shape.
The technical scheme is as follows: a cleaning device for a wound tube type heat exchanger comprises a bottom frame, a clamping system, a first cleaning system and a second cleaning system; the chassis is connected with a clamping system, and the clamping system is used for clamping the winding pipe heat exchangers with different sizes and rotating the first cleaning system, the second cleaning system and the winding pipe heat exchangers; the middle part of the clamping system is connected with a first cleaning system which is used for removing wall-hanging dirt of the heat exchanger tube bundle; the lower part of the clamping system is connected with a second cleaning system which is used for removing attachments on the inner wall of the heat exchanger tube bundle.
Further, the clamping system comprises a special-shaped plate, a first motor, a connecting disc, a cabin body, a supporting plate, a first sliding column, a cabin door, a placing table, a filter plate, a waterproof electric push rod, a clamping block, an installing support, a first electric push rod, a pressing block and a collecting barrel; a special-shaped plate is fixedly connected to the underframe; the back side surface of the special-shaped plate is fixedly connected with a first motor; the first motor output shaft penetrates through the special-shaped plate and is in rotary connection with the special-shaped plate; the output shaft of the first motor is fixedly connected with a connecting disc; the front side surface of the connecting plate is fixedly connected with a cabin body; the cabin body bottom plate is provided with a first drainage port; the rear part of the upper surface and the rear part of the lower surface of the cabin body are respectively fixedly connected with a supporting plate; a first sliding column is fixedly connected to each of the two supporting plates; two arc grooves which are obliquely symmetrical are formed on the special-shaped plate; the two first sliding columns are respectively arranged in the arc-shaped groove in a sliding manner; the left plate and the right plate of the cabin body are respectively connected with a cabin door in a sliding way; a placing table is fixedly connected to the bottom plate of the cabin body; the outer surface of the placing table is fixedly connected with a filter plate; the filter plate is provided with a collecting groove; the filter plate is fixedly connected with the cabin body; four waterproof electric push rods are fixedly connected to the upper surface of the filter plate and distributed in an annular array; the four waterproof electric push rod telescopic parts are respectively fixedly connected with a clamping block; the middle part of the upper surface of the cabin body is fixedly connected with a mounting bracket; a first electric push rod is fixedly connected to the mounting bracket; the first electric push rod telescopic part is fixedly connected with a pressing block; the pressing block is fixedly connected with a collecting barrel; the collecting barrel is provided with a second water outlet; the upper part of the cabin body is connected with a first cleaning system; the lower part of the cabin body is connected with a second cleaning system.
Further, the first cleaning system comprises a first electric slide rail, a first electric slide block, a first mounting plate, a U-shaped plate, an arc-shaped slide groove plate, a slide ring, a ring plate, a clearing assembly, a wedge-shaped block and a collecting assembly; two first electric slide rails are fixedly connected to the front side surface of the rear plate of the cabin body; the outer surfaces of the two first electric sliding rails are respectively connected with a first electric sliding block in a sliding manner; the front side surfaces of the two first electric sliding blocks are fixedly connected with a first mounting plate; the left part of the front side surface and the right part of the front side surface of the first mounting plate are respectively fixedly connected with a U-shaped plate; an arc-shaped chute plate is fixedly connected to each of the two U-shaped plates; the two arc-shaped sliding groove plates are connected with sliding rings in a sliding manner; a ring plate is fixedly connected to the inner ring surface of the slip ring; six cleaning assemblies are connected to the ring plate and distributed in an annular array; a wedge-shaped block is fixedly connected to the left part and the right part of the lower surface of the first mounting plate respectively; the left plate and the right plate of the cabin body are connected with a collecting assembly.
Furthermore, each clearing assembly comprises a second electric sliding block, a second sliding column, a connecting plate, an arc-shaped plate, a second electric push rod, a push block, a guide rod, a first elastic part, a cylinder, a first spring telescopic column, a fixed seat, a pulley and a high-pressure spray head; six annular linear sliding grooves distributed at equal intervals are formed in the annular plate, and second electric sliding blocks are arranged in the linear sliding grooves in a sliding mode; a second sliding column is fixedly connected to the second electric sliding block; the second sliding column also slides in the linear sliding groove; the lower surface of the second sliding column is fixedly connected with a connecting plate; the lower surface of the connecting plate is fixedly connected with an arc-shaped plate; a second electric push rod is fixedly connected to the outer arc surface of the arc plate; the telescopic part of the second electric push rod is fixedly connected with a push block; the front part and the rear part of the arc-shaped plate are respectively connected with a guide rod in a sliding way; the two guide rods are contacted with the push block; a first elastic part is fixedly connected between the outer surfaces of the two guide rods and the inner cambered surface of the cambered plate respectively; the inner arc surface of the arc plate is rotatably connected with a cylinder; one side of the cylinder, which is far away from the arc-shaped plate, is fixedly connected with a first spring telescopic column; one side of the first spring telescopic column, which is far away from the cylinder, is fixedly connected with a fixed seat; the fixed seat is rotatably connected with a pulley through a rotating shaft; two high-pressure spray heads are respectively arranged at the lower parts of the arc-shaped plates; the two high-pressure nozzles are positioned below the two guide rods.
Further, the collecting assembly comprises a rectangular chute plate, a second spring telescopic column, a sliding rod, a second mounting plate and a stretching assembly; the opposite sides of the left plate of the cabin body and the right plate of the cabin body are respectively fixedly connected with a rectangular sliding groove plate; the inner walls of the grooves of the two rectangular chute plates are fixedly connected with a second spring telescopic column respectively; the rear side surfaces of the two second spring telescopic columns are fixedly connected with a sliding rod; the front side surface of the sliding rod is fixedly connected with a second mounting plate; the second mounting panel is connected with a plurality of tensile subassembly, and a plurality of tensile subassembly is horizontal equidistance and distributes.
Furthermore, each stretching assembly comprises a round rod, a second elastic piece and a connecting block; three second elastic pieces are fixedly connected to the rear side surface of the second mounting plate; the rear side surfaces of the three second elastic pieces are fixedly connected with connecting blocks; three round rods are fixedly connected to the front side surface of the connecting block; the three second elastic pieces are respectively sleeved on one round rod; the second mounting panel is all run through to three round bar all with second mounting panel sliding connection.
Further, the second cleaning system comprises a third mounting plate, a second electric slide rail, a third electric slide block, a winder, a pipe orifice, a first limiting disc, a support column, a second limiting disc, a spring self-locking block, a positioning disc and a cleaning assembly; the middle part of the lower surface of the cabin body is fixedly connected with a third mounting plate; two second electric slide rails are fixedly connected to the front side surface of the third mounting plate; the outer surfaces of the two second electric sliding rails are respectively connected with a third electric sliding block in a sliding manner; the front side surfaces of the two third electric sliding blocks are fixedly connected with a winder; the right side surface of the winder is communicated with a pipe orifice; the upper surface of the winder is fixedly connected with a first limiting disc; the upper surface of the first limiting disc is fixedly connected with a supporting column; a second limiting disc is fixedly connected to the upper part of the outer surface of the supporting column; the upper surface of the second limiting disc is fixedly connected with four spring self-locking blocks which are distributed in an annular array; a positioning disc is arranged on the four spring self-locking blocks; the winder is connected with a plurality of cleaning components.
Furthermore, each cleaning component comprises a fixing plate, a second motor, a round shaft, a straight gear, a roller wheel, a first round pipe, bristles, a first ball joint, a second round pipe, a connecting ring, a third elastic piece, an annular sliding plate, an elastic sheet, a second ball joint and a third round pipe; the lower surface of the second limiting disc is fixedly connected with a fixing plate; a second motor is fixedly connected to the side surface of the fixed plate; two circular shafts are rotatably connected to the fixed plate; the output shaft of the second motor is fixedly connected with a circular shaft; a straight gear is fixedly connected to each of the two circular shafts; the two straight gears are meshed; two rollers are fixedly connected to the two circular shafts respectively; the two straight gears are positioned between the fixed plate and the two rollers; a first round pipe is wound in the winder; the first round pipe sequentially penetrates through the first limiting disc, the second limiting disc and the positioning disc; the first round pipe is communicated with the pipe orifice; the two rollers are oppositely arranged and used for conveying the first circular tube; the upper part of the outer surface of the first circular pipe is provided with a plurality of bristles which are inclined; the upper part of the inner wall of the first circular tube is movably connected with a first ball joint; the upper part of the first ball joint is movably connected with a second circular pipe; the upper part of the outer surface of the second round pipe is fixedly connected with a connecting ring; the lower surface of the connecting ring is fixedly connected with a third elastic piece, and the third elastic piece is sleeved on the outer surface of the second circular pipe; the lower surface of the third elastic element is fixedly connected with an annular sliding plate; the annular sliding plate is connected with the second round pipe in a sliding manner; six elastic pieces are fixedly connected to the outer surface of the annular sliding plate and distributed in an annular array; the upper part of the inner wall of the second circular tube is movably connected with a second ball joint; the upper part of the second ball joint is movably connected with a third round pipe.
Furthermore, the first ball joint and the second ball joint are both hollow.
A cleaning process for a wound tube type heat exchanger comprises the following working steps:
the method comprises the following steps: the heat exchanger tube bundle is placed on the placing table, is adjusted, enables the heat transfer tubes on the outermost side of the heat exchanger tube bundle to correspond to the six pulleys, and is fixed through the four clamping blocks and the pressing blocks;
step two: cleaning the heat transfer pipe wall hanging of the heat exchanger pipe bundle through a first cleaning system, washing the heat transfer pipe wall hanging of the heat exchanger pipe bundle by using high-pressure water sprayed by a high-pressure spray head, pushing caking dirt to fall on the bottom of the heat exchanger pipe bundle by using reciprocating movement of a guide rod, and finally pushing the caking dirt into a collecting groove through a round rod;
step three: the first cleaning system, the second cleaning system and the heat exchanger tube bundle are driven by the clamping system to be changed from a vertical state to a horizontal state;
step four: the inner wall of the heat transfer pipe of the heat exchanger pipe bundle is cleaned through the second cleaning system, the first ball joint and the second ball joint are used for moving, so that the first round pipe, the second round pipe and the third round pipe enter the inner wall of the heat transfer pipe of the heat exchanger pipe bundle, high-pressure water is sprayed out of the third round pipe, attachments on the inner wall of the heat transfer pipe of the heat exchanger pipe bundle are flushed away, and the attachments on the inner wall of the heat transfer pipe of the heat exchanger pipe bundle are cleaned out through the reciprocating movement of the first round pipe and the bristles.
The beneficial effects are that: the invention designs the clamping system, realizes the purpose of adapting to the heat exchanger tube bundles with the same clamping size and the same pipe diameter and different lengths, and drives the first cleaning system, the second cleaning system and the heat exchanger tube bundles to rotate, thereby being convenient for the first cleaning system and the second cleaning system to clean the heat transfer pipes of the heat exchanger tube bundles.
The first cleaning system is designed, so that the caked dirt on the wall hanging at the middle part of the heat exchanger tube bundle is cleaned through the guide rod and the high-pressure nozzle, the wall hanging of the heat exchanger tube bundle with the same size and the same pipe diameter and different lengths is cleaned, the dirt on the wall hanging of the heat exchanger tube bundle is prevented from being manually cleaned, a large amount of time is saved, and the working efficiency is improved.
The second cleaning system is designed, so that the cleaning hose can smoothly enter the heat transfer pipe of the heat exchanger pipe bundle through the connection of the first spherical joint and the second spherical joint, and the cleaned heat exchanger pipe bundle can be rolled up by pulling the first round pipe in the cleaning process to bring out attachments on the inner wall of the cleaned heat exchanger pipe bundle together, so that the phenomenon that the heat transfer pipe is blocked due to the fact that the cleaned attachments are remained in the heat transfer pipe is avoided, the cleaning system can be suitable for cleaning the heat exchanger pipe bundles with different lengths and the same clamping size and pipe diameter, a large amount of time is saved, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a first perspective structure of a cleaning apparatus for a wound tube heat exchanger according to the present invention;
FIG. 2 is a schematic diagram of a second perspective structure of the cleaning apparatus for the coiled tube heat exchanger of the present invention;
FIG. 3 is a schematic perspective view of a clamping system of the cleaning apparatus for a wound tube heat exchanger according to the present invention;
FIG. 4 is a schematic view of a first partial perspective view of a clamping system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 5 is a second partial perspective view of the clamping system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 6 is a third schematic partial perspective view of a clamping system of a coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 7 is a schematic perspective view of a first cleaning system of the cleaning apparatus for the wound tube heat exchanger of the present invention;
FIG. 8 is a schematic view of a first partial perspective view of a first cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 9 is a schematic view of a second partial perspective view of the first cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 10 is a schematic view of a third partial perspective view of the first cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 11 is a fourth partial perspective view of the first cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 12 is an enlarged view at A of the first cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 13 is a schematic diagram of a first perspective view of a second cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 14 is a schematic diagram of a second perspective view of a second cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 15 is a schematic view of a first partial perspective view of a second cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
FIG. 16 is a second partial perspective view of the second cleaning system of the coiled tube heat exchanger cleaning apparatus of the present invention;
fig. 17 is a schematic view of a third partial perspective structure of the second cleaning system of the cleaning equipment for the coiled tube heat exchanger according to the invention.
Part names and serial numbers in the figure: 1-underframe, 2-clamping system, 3-first cleaning system, 4-second cleaning system, 201-profiled plate, 202-first motor, 203-connecting disc, 204-cabin, 205-supporting plate, 206-first sliding column, 207-cabin door, 208-placing table, 209-filtering plate, 210-waterproof electric push rod, 211-clamping block, 212-mounting bracket, 213-first electric push rod, 214-pressing block, 215-collecting bucket, 301-first electric sliding rail, 302-first electric sliding block, 303-first mounting plate, 304-U-shaped plate, 305-arc sliding chute plate, 306-sliding ring, 307-ring plate, 308-second electric sliding block, 309-second sliding column, 310-connecting plate, 311-arc plate, 312-a second electric push rod, 313-a push block, 314-a guide rod, 315-a first elastic part, 316-a cylinder, 317-a first spring telescopic column, 318-a fixed seat, 319-a pulley, 320-a high-pressure sprayer, 321-a wedge block, 322-a rectangular sliding chute plate, 323-a second spring telescopic column, 324-a sliding rod, 325-a second mounting plate, 326-a round rod, 327-a second elastic part, 328-a connecting block, 401-a third mounting plate, 402-a second electric sliding rail, 403-a third electric sliding block, 404-a winder, 405-a pipe orifice, 406-a first limiting disc, 407-a supporting column, 408-a second limiting disc, 409-a spring self-locking block, 410-a positioning disc, 411-a fixing plate and 412-a second motor, 413-circular shaft, 414-straight gear, 415-roller, 416-first circular tube, 417-bristle, 418-first spherical joint, 419-second circular tube, 420-connecting ring, 421-third elastic element, 422-annular sliding plate, 423-elastic sheet, 424-second spherical joint, 425-third circular tube, 201 a-arc groove, 204 a-first water discharge port, 209 a-collecting groove, 215 a-second water discharge port, 307 a-linear sliding groove, 324 a-inclined surface and 419 a-through hole.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Example 1
A cleaning device for a wound tube type heat exchanger is shown in figures 1-17 and comprises a base frame 1, a clamping system 2, a first cleaning system 3 and a second cleaning system 4; the chassis 1 is connected with a clamping system 2; the middle part of the clamping system 2 is connected with a first cleaning system 3; the lower part of the clamping system 2 is connected with a second cleaning system 4.
When the cleaning device is used, firstly, a winding tube type heat exchanger cleaning device is placed at a required position, the bottom frame 1 is placed at a horizontal position, firstly, an operator externally connects a water inlet pipe and a water drain pipe to the clamping system 2, the first cleaning system 3 and the second cleaning system 4, after the preparation work is finished, the operator places the heat exchanger tube bundle in the clamping system 2, controls the clamping system 2 to clamp the heat exchanger tube bundle, then controls the first cleaning system 3 to remove dirt on the wall hanging of the heat exchanger tube bundle, after the dirt on the wall hanging of the heat exchanger tube bundle is removed, controls the clamping system 2 to drive the heat exchanger tube bundle to rotate, the vertical state is changed into the horizontal state, controls the second cleaning system 4 to remove attachments on the inner wall of the heat exchanger tube bundle, and controls the clamping system 2 to drive the heat exchanger tube bundle to rotate after the attachments on the inner wall hanging of the heat exchanger tube bundle are removed, and the vertical state is changed again, and at the moment, the operator takes down the heat exchanger tube bundle after the cleaning is finished.
Example 2
On the basis of embodiment 1, as shown in fig. 1 to 17, the clamping system 2 includes a shaped plate 201, a first motor 202, a connecting disc 203, a cabin 204, a supporting plate 205, a first sliding column 206, a hatch 207, a placing table 208, a filter plate 209, a waterproof electric push rod 210, a clamping block 211, a mounting bracket 212, a first electric push rod 213, a pressing block 214, and a collecting bucket 215; a special-shaped plate 201 is fixedly connected to the chassis 1; the rear side surface of the special-shaped plate 201 is connected with a first motor 202 through bolts; an output shaft of the first motor 202 penetrates through the profiled plate 201, and the output shaft of the first motor 202 is rotatably connected with the profiled plate 201; the output shaft of the first motor 202 is fixedly connected with a connecting disc 203; a cabin 204 is fixedly connected to the front side surface of the connecting disc 203; a first drainage port 204a is arranged on the bottom plate of the cabin 204; the rear part of the upper surface and the rear part of the lower surface of the cabin body 204 are respectively fixedly connected with a supporting plate 205; a first sliding column 206 is fixedly connected to each of the two supporting plates 205; two arc-shaped grooves 201a which are obliquely symmetrical are formed in the special-shaped plate 201; the two first sliding columns 206 are respectively arranged in an arc-shaped groove 201a in a sliding manner; the left plate and the right plate of the cabin body 204 are respectively connected with a cabin door 207 in a sliding way; a placing table 208 is fixedly connected to the bottom plate of the cabin 204; a filter plate 209 is fixedly connected on the outer surface of the placing table 208; the filter plate 209 is provided with a collecting groove 209 a; the filter plate 209 is fixedly connected with the cabin 204; the upper surface of the filter plate 209 is fixedly connected with four waterproof electric push rods 210, and the four waterproof electric push rods 210 are distributed in an annular array; the four telescopic parts of the waterproof electric push rod 210 are respectively fixedly connected with a clamping block 211; the middle part of the upper surface of the cabin 204 is fixedly connected with a mounting bracket 212; a first electric push rod 213 is fixedly connected to the mounting bracket 212; a pressing block 214 is fixedly connected to the telescopic part of the first electric push rod 213; the briquetting 214 is fixedly connected with a collecting barrel 215; the collecting barrel 215 is provided with a second water outlet 215 a; the upper part of the cabin 204 is connected with the first cleaning system 3; the lower part of the tank 204 is connected to the second cleaning system 4.
The first cleaning system 3 comprises a first electric slide rail 301, a first electric slide block 302, a first mounting plate 303, a U-shaped plate 304, an arc-shaped slide groove plate 305, a slide ring 306, a ring plate 307, a clearing component, a wedge-shaped block 321 and a collecting component; the front side face of the rear plate of the cabin body 204 is connected with two first electric slide rails 301 through bolts; the outer surfaces of the two first electric slide rails 301 are respectively connected with a first electric slide block 302 in a sliding manner; the front side surfaces of the two first electric sliding blocks 302 are fixedly connected with a first mounting plate 303; the left part of the front side surface and the right part of the front side surface of the first mounting plate 303 are respectively fixedly connected with a U-shaped plate 304; an arc-shaped chute plate 305 is fixedly connected to each of the two U-shaped plates 304; the two arc-shaped sliding chute plates 305 are connected with a sliding ring 306 in a sliding way; a ring plate 307 is fixedly connected to the inner ring surface of the slip ring 306; six cleaning assemblies are connected to the ring plate 307 and distributed in an annular array; a wedge-shaped block 321 is fixedly connected to the left part and the right part of the lower surface of the first mounting plate 303 respectively; the left and right panels of the cabin 204 are connected to collection assemblies.
Each clearing component comprises a second electric sliding block 308, a second sliding column 309, a connecting plate 310, an arc-shaped plate 311, a second electric push rod 312, a push block 313, a guide rod 314, a first elastic piece 315, a cylinder 316, a first spring telescopic column 317, a fixed seat 318, a pulley 319 and a high-pressure spray head 320; six annular linear sliding chutes 307a distributed at equal intervals are formed in the annular plate 307, and second electric sliding blocks 308 are arranged in the linear sliding chutes 307a in a sliding manner; a second sliding column 309 is fixedly connected to the second electric sliding block 308; the second sliding column 309 also slides inside the linear chute 307 a; the lower surface of the second sliding column 309 is fixedly connected with a connecting plate 310; the lower surface of the connecting plate 310 is fixedly connected with an arc-shaped plate 311; the outer arc surface of the arc plate 311 is connected with a second electric push rod 312 through a bolt; the telescopic part of the second electric push rod 312 is fixedly connected with a push block 313; the front part and the rear part of the arc-shaped plate 311 are respectively connected with a guide rod 314 in a sliding way; the two guide rods 314 are in contact with the push block 313; a first elastic part 315 is fixedly connected between the outer surface of each guide rod 314 and the inner arc surface of the arc plate 311; the inner arc surface of the arc plate 311 is rotatably connected with a cylinder 316; a first spring telescopic column 317 is fixedly connected to one side of the cylinder 316 far away from the arc-shaped plate 311; a fixed seat 318 is fixedly connected to one side of the first spring telescopic column 317 far away from the column 316; the fixed seat 318 is rotatably connected with a pulley 319 through a rotating shaft; two high-pressure nozzles 320 are respectively arranged at the lower parts of the arc-shaped plates 311; two high pressure jets 320 are located below the two guide rods 314.
The collecting component comprises a rectangular chute plate 322, a second spring telescopic column 323, a sliding rod 324, a second mounting plate 325 and a stretching component; the opposite sides of the left plate of the cabin 204 and the right plate of the cabin 204 are respectively fixedly connected with a rectangular sliding chute plate 322; the inner walls of the grooves of the two rectangular chute plates 322 are respectively fixedly connected with a second spring telescopic column 323; the rear side surfaces of the two second spring telescopic columns 323 are fixedly connected with a sliding rod 324; the front side surface of the sliding rod 324 is fixedly connected with a second mounting plate 325; the second mounting plate 325 is connected to a plurality of stretching assemblies which are equally spaced in the transverse direction.
Each stretching assembly comprises a round rod 326, a second elastic member 327 and a connecting block 328; three second elastic members 327 are fixedly connected to the rear side of the second mounting plate 325; the rear side surfaces of the three second elastic members 327 are fixedly connected with a connecting block 328; three round rods 326 are fixedly connected to the front side surface of the connecting block 328; three second elastic members 327 are respectively sleeved on one round rod 326; three round rods 326 each extend through the second mounting plate 325, and three round rods 326 each slidably connect with the second mounting plate 325.
The second cleaning system 4 comprises a third mounting plate 401, a second electric slide rail 402, a third electric slide block 403, a winder 404, a pipe orifice 405, a first limiting disc 406, a support column 407, a second limiting disc 408, a spring self-locking block 409, a positioning disc 410 and a cleaning assembly; a third mounting plate 401 is fixedly connected to the middle of the lower surface of the cabin 204; the front side surface of the third mounting plate 401 is connected with two second electric slide rails 402 through bolts; the outer surfaces of the two second electric slide rails 402 are respectively connected with a third electric slide block 403 in a sliding manner; the front side surfaces of the two third electric sliding blocks 403 are fixedly connected with a winder 404; the right side surface of the winder 404 is communicated with a pipe orifice 405; a first limiting disc 406 is fixedly connected to the upper surface of the winder 404; a support column 407 is fixedly connected to the upper surface of the first limiting disc 406; the upper part of the outer surface of the supporting column 407 is fixedly connected with a second limiting disc 408; the upper surface of the second limiting disc 408 is fixedly connected with four spring self-locking blocks 409, and the four spring self-locking blocks 409 are distributed in an annular array; the positioning disc 410 is arranged on the four spring self-locking blocks 409; a plurality of cleaning assemblies are connected to the winder 404.
Each cleaning component comprises a fixed plate 411, a second motor 412, a circular shaft 413, a spur gear 414, a roller 415, a first circular tube 416, bristles 417, a first ball joint 418, a second circular tube 419, a connecting ring 420, a third elastic element 421, an annular sliding plate 422, an elastic sheet 423, a second ball joint 424 and a third circular tube 425; the lower surface of the second limiting disc 408 is fixedly connected with a fixing plate 411; a second motor 412 is bolted to the side of the fixed plate 411; two circular shafts 413 are rotatably connected to the fixing plate 411; the output shaft of the second motor 412 is fixedly connected with a circular shaft 413; a straight gear 414 is fixedly connected to each of the two circular shafts 413; two spur gears 414 are meshed; a roller 415 is fixedly connected to each of the two circular shafts 413; two spur gears 414 are located between the fixed plate 411 and the two rollers 415; a first round tube 416 is wound in the winder 404; the first circular tube 416 sequentially penetrates through the first limiting disc 406, the second limiting disc 408 and the positioning disc 410; the first tube 416 communicates with the orifice 405; two rollers 415 are oppositely arranged and used for conveying the first round pipe 416; a plurality of bristles 417 are arranged on the upper part of the outer surface of the first circular tube 416, and the bristles 417 are inclined; the upper part of the inner wall of the first round pipe 416 is movably connected with a first ball joint 418; the upper part of the first ball joint 418 is movably connected with a second round pipe 419; the upper part of the outer surface of the second round pipe 419 is fixedly connected with a connecting ring 420; a third elastic member 421 is fixedly connected to the lower surface of the connecting ring 420, and the third elastic member 421 is sleeved on the outer surface of the second circular tube 419; the lower surface of the third elastic member 421 is fixedly connected with an annular sliding plate 422; the annular sliding plate 422 is connected with the second round pipe 419 in a sliding way; six elastic pieces 423 are fixedly connected to the outer surface of the annular sliding plate 422, and the six elastic pieces 423 are distributed in an annular array; the upper part of the inner wall of the second round pipe 419 is movably connected with a second ball joint 424; the upper part of the second ball joint 424 is movably connected with a third round pipe 425.
The first and second ball joints 418 and 424 are each hollow inside.
The second circular tube 419 is provided with six through holes 419a at the upper and lower portions thereof.
Firstly, an operator externally connects a first water discharge port 204a of a cabin body 204 and a second water discharge port 215a of a collecting barrel 215 with water discharge pipes, then externally connects a telescopic water inlet pipe to each high-pressure spray head 320, and finally externally connects a water inlet pipe to a pipe orifice 405, after the preparation work is finished, the operator places a heat exchanger tube bundle on a placing table 208, manually adjusts the outermost heat transfer pipes of the heat exchanger tube bundle to correspond to pulleys 319, controls four waterproof electric push rods 210 to push out, drives four clamping blocks 211 to move, positions and clamps the heat exchanger tube bundle, controls a first electric push rod 213 to push out, drives a pressing block 214 and the collecting barrel 215 to move downwards together, presses the heat exchanger tube bundle placed on the placing table 208, and closes two cabin doors 207;
after the heat exchanger tube bundle is compressed, the first electric slide blocks 302 are controlled to move downwards on the outer surface of the first electric slide rail 301, the two first electric slide blocks 302 drive the first mounting plate 303, the U-shaped plate 304, the arc-shaped chute plate 305, the slip ring 306, the cleaning assembly and the wedge-shaped block 321 to move downwards together, when six cleaning assemblies move downwards to the upper part of the heat exchanger tube bundle, the heat transfer pipes on the upper part of the heat exchanger tube bundle are vertical, so that the six cleaning assemblies are controlled to operate synchronously, taking one cleaning assembly as an example, the second electric slide block 308 is controlled to move in the direction close to the heat exchanger tube bundle in the straight chute 307a, the second electric slide block 308 drives the second slide column 309, the connecting plate 310, the arc-shaped plate 311, the second electric push rod 312, the push block 313, the guide rod 314, the first elastic member 315, the cylinder 316, the first spring telescopic column 317, the fixed seat 318, the pulley 319 and the high-pressure nozzle 320 to move together, after the pulley 319 is contacted with and attached to the outermost heat transfer tubes on the upper portion of the heat exchanger tube bundle, the second electric slide block 308 is controlled to stop moving, the two first electric slide blocks 302 drive the pulley 319 to be attached to the outermost heat transfer tubes on the upper portion of the heat exchanger tube bundle to move downwards so as to force the pulley 319 to rotate, the pulley 319 can move along with the outermost heat transfer tubes on the upper portion of the heat exchanger tube bundle in a guiding manner in the downward moving process, then the two high-pressure spray heads 320 are controlled to spray high-pressure water to start washing the outermost heat transfer tubes on the upper portion of the heat exchanger tube bundle, meanwhile, the second electric push rod 312 is controlled to contract so as to drive the push block 313 to move right, the two guide rods 314 are not limited, the two first elastic members 315 are automatically stretched and reset, the two guide rods 314 are driven to be inserted into two sides of the outermost heat transfer tubes attached to the pulley 319 and located in gaps between the outermost heat transfer tubes on the upper portion of the heat exchanger tube bundle, and the two high-pressure spray heads 320 are driven by the two first electric slide blocks 302 in the moving process Continuously flushing the heat transfer pipe at the outermost side;
when the two first electric sliding blocks 302 drive the pulley 319 to slide to the outermost heat transfer tubes in the middle of the heat exchanger tube bundle along the outermost heat transfer tubes in the upper part of the heat exchanger tube bundle, the heat transfer tubes in the middle of the heat exchanger tube bundle are: the heat transfer tubes are alternately wound according to the shape of a spiral line, the spiral directions of two adjacent layers of spiral heat transfer tubes are opposite, and a certain distance is kept by adopting a certain-shaped distance piece, so that the pulley 319 drives the first spring telescopic column 317 and the fixed seat 318 to rotate together by taking the cylinder 316 as the center of a circle to be matched with the outermost heat transfer tubes in the middle of the heat exchanger tube bundle, and drives the slip ring 306, the ring plate 307, the second electric slide block 308, the second slip column 309, the connecting plate 310, the arc plate 311, the second electric push rod 312, the push block 313, the guide rod 314, the first elastic piece 315, the cylinder 316, the first spring telescopic column 317, the fixed seat 318 and the high-pressure spray head 320 to follow the direction of the outermost heat transfer tubes in the middle of the heat exchanger tube bundle and rotate in the two arc-shaped sliding groove plates 305, so that the two high-pressure spray heads 320 wash the wall hanging in the middle of the heat transfer tubes in the middle of the heat exchanger tube bundle along with the direction of the outermost heat transfer tubes in the middle of the heat exchanger tube bundle, in the process of moving downwards, the two guide rods 314 touch heat transfer tubes in the middle of the heat exchanger tube bundle, the spiral directions of the heat transfer tubes are opposite, the two guide rods 314 are forced to move towards the outer side, the two first elastic members 315 are compressed, after the two guide rods 314 pass through the heat transfer tubes in the middle of the heat exchanger tube bundle, the two first elastic members 315 automatically stretch to drive the two guide rods 314 to be inserted into the gaps of the heat transfer tubes on the outermost side of the middle of the heat exchanger tube bundle again, caking dirt which is not washed by the two high-pressure spray heads 320 is pushed to fall off, the pushed caking dirt falls to the bottom of the heat exchanger tube bundle, in the process of moving downwards, the two guide rods 314 continue to move downwards along with the heat transfer tubes on the outermost side of the middle of the heat exchanger tube bundle, and the two guide rods 314 repeatedly clear away residual caking dirt in the gaps of the heat transfer tubes on the outermost side of the middle of the heat exchanger tube bundle while washing, while cleaning residual caking dirt, after the dirt on the wall hanging at the middle part of the heat exchanger tube bundle is cleaned, controlling the second electric slide block 308 to drive the connected components to move towards the direction far away from the heat exchanger tube bundle, controlling the pulley 319 not to be attached to the heat transfer pipe at the outermost side at the middle part of the heat exchanger tube bundle, controlling the second electric push rod 312 to push out, driving the push block 313 and the two guide rods 314 to move, forcing the two first elastic members 315 to be compressed, limiting the two guide rods 314, controlling the two high-pressure spray heads 320 to stop spraying high-pressure water, and at the moment, controlling the other five cleaning components to synchronously operate according to the working mode of the cleaning component, driving the high-pressure spray heads 320 and the guide rods 314 to continuously move downwards along with the heat transfer pipe at the middle part of the heat exchanger tube bundle, and cleaning the dirt on the wall hanging at the middle part of the heat exchanger tube bundle;
when the high-pressure nozzle 320 and the guide rod 314 clean the dirt on the wall hanging at the middle part of the heat exchanger tube bundle, the two first electric sliding blocks 302 drive the connected components to move to the lower part of the heat exchanger tube bundle, in the process of moving downwards, the two wedge-shaped blocks 321 touch the two inclined surfaces 324a arranged on the sliding rod 324, the sliding rod 324 drives the second mounting plate 325 and the stretching assembly to move forwards, the two second spring telescopic columns 323 are forced to compress, a plurality of stretching assemblies move forwards and are inserted into the gap at the lower part of the heat exchanger tube bundle, then the agglomerated dirt falling at the lower part of the heat exchanger tube bundle is pushed into the collecting groove 209a, if the stretching assembly touches the heat transfer tubes of the heat exchanger tube bundle in the process of moving forwards, the three round rods 326 in the assembly do not move forwards any more, the three second elastic members 327 are forced to be stretched, and after the agglomerated dirt at the lower part of the heat exchanger tube bundle is pushed into the collecting groove 209a, the high-pressure water is sprayed out by controlling the high-pressure spray nozzles 320, dirt falling from the bottom of the heat exchanger tube bundle is cleaned, after the cleaning is finished, the high-pressure spray nozzles 320 are controlled to stop spraying water, the two first electric sliding blocks 302 drive the connected parts to move upwards, and the parts of the first cleaning system 3 are controlled to reset, the first cleaning system 3 can adapt to various sizes and pipe diameters, the heat exchanger tube bundles with different lengths are cleaned, an operator opens the two cabin doors 207, dirt in the collecting groove 209a is removed, and the water in the cabin body 204 is waited to be completely discharged through the first water discharge port 204 a.
When all the water in the cabin 204 is discharged, the operator closes the two doors 207 again, controls the output shaft of the first motor 202 to rotate, and drives the connecting disc 203, the cabin 204, the supporting plate 205, the first sliding columns 206, the doors 207, the placing table 208, the filter plate 209, the waterproof electric push rod 210, the clamping blocks 211, the mounting bracket 212, the first electric push rod 213, the pressing block 214, the collecting bucket 215, the first cleaning system 3, the second cleaning system 4 and the heat exchanger tube bundle to rotate together by taking the output shaft of the first motor 202 as a reference when viewed from the front to the back, wherein the two first sliding columns 206 slide in the two arc-shaped grooves 201a, and controls the output shaft of the first motor 202 to stop rotating after the heat exchanger tube bundle is changed from a vertical state to a horizontal state;
when the output shaft of the first motor 202 stops, the second electric slide rail 402 is in a left-right transverse state, the third electric slide blocks 403 are controlled to move left on the outer surface of the second electric slide rail 402, the two third electric slide blocks 403 drive the winder 404, the pipe orifice 405, the first limiting disc 406, the supporting column 407, the second limiting disc 408, the spring self-locking block 409, the positioning disc 410 and the cleaning assembly to move left together, when the positioning disc 410 is in contact with the placing table 208, the two third electric slide blocks 403 are controlled to stop moving, a plurality of cleaning assemblies run synchronously, taking one cleaning assembly as an example, the output shaft of the second motor 412 is controlled to rotate forward, the circular shaft 413 is driven to rotate, the circular shaft 413 drives the spur gear 414 and the roller 415 to rotate together, the spur gear 414 rotates to drive the other spur gear 414 to rotate, the other spur gear 414 drives the roller 415 on the other circular shaft 413 to rotate, the first circular pipe 416 is transmitted through the two rollers 415, simultaneously controlling the winder 404 to run, discharging the wound first round pipe 416, driving the first round pipe 416 to be conveyed leftwards through the rotation of the two rollers 415, driving the bristles 417, the first ball joint 418, the second round pipe 419, the connecting ring 420, the third elastic member 421, the annular sliding plate 422, the elastic pieces 423, the second ball joint 424 and the third round pipe 425 to move leftwards together and enter the inner wall of the heat transfer pipe in front of the heat exchanger tube bundle, wherein in the moving process of the first round pipe 416, the six elastic pieces 423 touch the inner wall of the heat transfer pipe in front of the heat exchanger tube bundle to drive the annular sliding plate 422 to slide on the outer surface of the second round pipe 419, so that the annular sliding plate 422 covers the twelve through holes 419a in the second round pipe 419, controlling an external water pump to spray high-pressure water from the first round pipe 416 after the first round pipe 416 enters the inner wall in front of the heat transfer pipe of the heat exchanger tube bundle, and cleaning the inner wall of the heat transfer pipe in front of the heat exchanger tube bundle, when the first round tube 416 washes the inner wall of the heat transfer tube right in front of the heat exchanger tube bundle for a certain distance, the winder 404 and the output shaft of the second motor 412 are controlled to run in reverse direction, the first round tube 416 is forced to move right on the inner wall of the heat transfer tube right in front of the heat exchanger tube bundle by the two rollers 415, during the movement of the first round tube 416 to the right, the six elastic pieces 423 touch the inner wall of the heat transfer tube right in front of the heat exchanger tube bundle again, the six elastic pieces 423 are subjected to the action of friction force to force the annular sliding plate 422 to slide on the outer surface of the second round tube 419, the third elastic piece 421 is compressed and does not block the six through holes 419a on the right side, so that the high-pressure water is sprayed out through the six through holes 419a to wash the attachments on the inner wall of the heat transfer tube right in front of the heat exchanger tube bundle to the right, and meanwhile, when the first round tube 416 moves to the right, the attachments washed and fallen off from the inner wall of the heat transfer tube bundle are brought to the right by the plurality of bristles 417, carrying the attachments out of the inner wall of the heat transfer pipe right in front of the heat exchanger pipe bundle;
when the first round pipe 416 is pulled out of the heat transfer pipe right in front of the heat exchanger tube bundle, the winder 404 and the output shaft of the second motor 412 are controlled to run in the forward direction, the first round pipe 416 and the connected components are driven to enter the inner wall of the heat transfer pipe right in front of the heat exchanger tube bundle again, in the moving process, the annular sliding plate 422 covers twelve through holes 419a in the second round pipe 419 again, so that high-pressure water is sprayed out of the third round pipe 425, in the continuous leftward movement process of the first round pipe 416, the third round pipe 425 can touch the inner wall of the heat transfer pipe right in front of the middle of the heat exchanger tube bundle, and as the heat transfer pipe in the middle of the heat exchanger tube bundle is spiral, the third round pipe 425 can touch the inner wall of the heat transfer pipe right in front of the middle of the heat exchanger tube bundle during the moving process, the third round pipe 425 is forced to drive the second ball joint 424 to rotate along the inner wall of the heat transfer pipe right in front of the middle of the heat exchanger tube bundle, and the first round pipe 416 can drive the connected components to enter the inner wall of the heat transfer pipe right in front of the middle of the heat exchanger tube bundle conveniently After the heat transfer tubes enter the inner wall of the heat transfer tubes right in front of the middle part of the heat exchanger tube bundle, the angles of the first round tube 416 and the second round tube 419 are adjusted through the first ball joint 418, so that the first round tube 416 can push the second round tube 419 and the third round tube 425 to enter the inner wall of the heat transfer tubes right in front of the middle part of the heat exchanger tube bundle without being clamped by the heat transfer tubes in a spiral state, after a section of washing is finished, the winder 404 and the output shaft of the second motor 412 are controlled to run reversely again to drive the connected component and the plurality of bristles 417 to clean the attachments on the inner wall of the heat exchanger tube bundle, the reciprocating operation is carried out in such a way as to drive the first round tube 416 and the connected component to enter and exit the heat transfer tubes right in front of the heat exchanger tube bundle until the inner wall of the heat transfer tubes right in front of the heat exchanger tube bundle is cleaned and communicated, so that the cleaned water and the attachments are flushed into the collecting barrel 215, and the attachments and the water are discharged together through the second water outlet 215a of the collecting barrel 215, controlling the external water pump to be closed, stopping spraying high-pressure water from the first circular pipe 416, controlling the rotating shaft of the winder 404 to rotate reversely to drive the first circular pipe 416 to wind, controlling the output shaft of the second motor 412 to rotate reversely to drive the connected part to reset, and driving other cleaning components to operate according to the working mode of the cleaning component right in front to drive the first circular pipe 416 and the connected part to clean the heat transfer pipe of the corresponding heat exchanger tube bundle until the inner wall of the heat transfer pipe of the heat exchanger tube bundle is cleaned;
after the inner walls of the heat transfer tubes of the heat exchanger tube bundle are cleaned, the two third electric sliding blocks 403 are controlled to drive the connected components to move rightwards for resetting, after the resetting is completed, the output shaft of the first motor 202 is controlled to rotate clockwise to drive the connected components and the heat exchanger tube bundle to rotate together, the horizontal state is changed into a vertical state, an operator opens the two cabin doors 207, controls the first electric push rod 213 to contract to drive the connected components to move upwards, and takes away the heat exchanger tube bundle; the second cleaning system 4 can be adapted to cleaning heat exchanger tube bundles with the same size and the same pipe diameter and different lengths, only the positioning disc 410 needs to be replaced manually, the new positioning disc 410 is the same as the heat exchanger tube bundle needing to be cleaned in size, and finally, a plurality of cleaning assemblies penetrate through the new positioning disc 410 manually.
Example 3
On the basis of the embodiment 2, the cleaning process of the wound tube type heat exchanger comprises the following working steps of:
the method comprises the following steps: the heat exchanger tube bundle is placed on the placing table 208, adjusted to enable the heat transfer tubes on the outermost side of the heat exchanger tube bundle to correspond to the six pulleys 319, and fixed through the four clamping blocks 211 and the pressing blocks 214;
step two: cleaning the wall hanging of the heat transfer pipes of the heat exchanger tube bundle by the first cleaning system 3, washing the wall hanging of the heat transfer pipes of the heat exchanger tube bundle by using high-pressure water sprayed by the high-pressure spray head 320, pushing the caking dirt to the bottom of the heat exchanger tube bundle by using the reciprocating movement of the guide rod 314, and finally pushing the caking dirt into the collection groove 209a by the round rod 326;
step three: the first cleaning system 3, the second cleaning system 4 and the heat exchanger tube bundle are driven by the clamping system 2 to change from a vertical state to a horizontal state;
step four: the inner wall of the heat transfer pipe of the heat exchanger tube bundle is cleaned by the second cleaning system 4, the first spherical joint 418 and the second spherical joint 424 move to enable the first round pipe 416, the second round pipe 419 and the third round pipe 425 to enter the inner wall of the heat transfer pipe of the heat exchanger tube bundle, the third round pipe 425 sprays high-pressure water to flush away attachments on the inner wall of the heat transfer pipe of the heat exchanger tube bundle, and the attachments on the inner wall of the heat transfer pipe of the heat exchanger tube bundle are cleaned out by the bristles 417 through the reciprocating movement of the first round pipe 416.
The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.

Claims (10)

1. A cleaning device for a wound tube type heat exchanger comprises a bottom frame (1); the device is characterized by also comprising a clamping system (2), a first cleaning system (3) and a second cleaning system (4); the chassis (1) is connected with a clamping system (2), the clamping system (2) is used for clamping winding pipe heat exchangers with different sizes, and rotating the first cleaning system (3), the second cleaning system (4) and the winding pipe heat exchangers; the middle part of the clamping system (2) is connected with a first cleaning system (3), and the first cleaning system (3) is used for removing wall-hanging dirt of the heat exchanger tube bundle; the lower part of the clamping system (2) is connected with a second cleaning system (4), and the second cleaning system (4) is used for removing attachments on the inner wall of the heat exchanger tube bundle.
2. The coiled tube heat exchanger cleaning equipment according to claim 1, wherein the clamping system (2) comprises a special-shaped plate (201), a first motor (202), a connecting disc (203), a cabin body (204), a supporting plate (205), a first sliding column (206), a cabin door (207), a placing table (208), a filter plate (209), a waterproof electric push rod (210), a clamping block (211), a mounting bracket (212), a first electric push rod (213), a pressing block (214) and a collecting bucket (215); a special-shaped plate (201) is fixedly connected to the chassis (1); a first motor (202) is fixedly connected to the rear side surface of the special-shaped plate (201); an output shaft of the first motor (202) penetrates through the special-shaped plate (201), and the output shaft of the first motor (202) is rotatably connected with the special-shaped plate (201); a connecting disc (203) is fixedly connected to an output shaft of the first motor (202); a cabin body (204) is fixedly connected to the front side surface of the connecting disc (203); a first drainage port (204a) is formed on the bottom plate of the cabin body (204); the rear part of the upper surface and the rear part of the lower surface of the cabin body (204) are respectively fixedly connected with a supporting plate (205); a first sliding column (206) is fixedly connected to each of the two support plates (205); the special-shaped plate (201) is provided with two arc-shaped grooves (201a) which are symmetrical obliquely; the two first sliding columns (206) are respectively arranged in an arc-shaped groove (201a) in a sliding manner; the left plate and the right plate of the cabin body (204) are respectively connected with a cabin door (207) in a sliding way; a placing table (208) is fixedly connected to the bottom plate of the cabin body (204); a filter plate (209) is fixedly connected with the outer surface of the placing table (208); the filter plate (209) is provided with a collecting groove (209 a); the filter plate (209) is fixedly connected with the cabin body (204); the upper surface of the filter plate (209) is fixedly connected with four waterproof electric push rods (210), and the four waterproof electric push rods (210) are distributed in an annular array; the telescopic parts of the four waterproof electric push rods (210) are respectively fixedly connected with a clamping block (211); the middle part of the upper surface of the cabin body (204) is fixedly connected with a mounting bracket (212); a first electric push rod (213) is fixedly connected to the mounting bracket (212); a pressing block (214) is fixedly connected with the telescopic part of the first electric push rod (213); a collecting barrel (215) is fixedly connected to the pressing block (214); the collecting barrel (215) is provided with a second water outlet (215 a); the upper part of the cabin body (204) is connected with the first cleaning system (3); the lower part of the cabin body (204) is connected with a second cleaning system (4).
3. The cleaning equipment for the wound tube heat exchanger according to claim 2, wherein the first cleaning system (3) comprises a first electric slide rail (301), a first electric slide block (302), a first mounting plate (303), a U-shaped plate (304), an arc-shaped slide groove plate (305), a slide ring (306), a ring plate (307), a cleaning assembly, a wedge-shaped block (321) and a collecting assembly; two first electric slide rails (301) are fixedly connected to the front side surface of the rear plate of the cabin body (204); the outer surfaces of the two first electric slide rails (301) are respectively connected with a first electric slide block (302) in a sliding way; the front side surfaces of the two first electric sliding blocks (302) are fixedly connected with a first mounting plate (303); the left part and the right part of the front side of the first mounting plate (303) are respectively fixedly connected with a U-shaped plate (304); an arc-shaped chute plate (305) is fixedly connected to each of the two U-shaped plates (304); the two arc-shaped sliding groove plates (305) are connected with a sliding ring (306) in a sliding way; a ring plate (307) is fixedly connected to the inner ring surface of the slip ring (306); six clearing components are connected to the ring plate (307) and distributed in a ring array; the left part and the right part of the lower surface of the first mounting plate (303) are fixedly connected with a wedge-shaped block (321) respectively; the left plate and the right plate of the cabin body (204) are connected with a collection assembly.
4. The cleaning equipment for the wound tube heat exchanger according to claim 3, wherein each cleaning assembly comprises a second electric sliding block (308), a second sliding column (309), a connecting plate (310), an arc-shaped plate (311), a second electric push rod (312), a push block (313), a guide rod (314), a first elastic member (315), a cylinder (316), a first spring telescopic column (317), a fixed seat (318), a pulley (319) and a high-pressure spray head (320); six annular linear sliding grooves (307a) distributed at equal intervals are formed in the annular plate (307), and a second electric sliding block (308) is arranged in each linear sliding groove (307a) in a sliding mode; a second sliding column (309) is fixedly connected to the second electric sliding block (308); the second sliding column (309) also slides in the linear sliding chute (307 a); the lower surface of the second sliding column (309) is fixedly connected with a connecting plate (310); the lower surface of the connecting plate (310) is fixedly connected with an arc-shaped plate (311); the outer arc surface of the arc-shaped plate (311) is fixedly connected with a second electric push rod (312); a push block (313) is fixedly connected with the telescopic part of the second electric push rod (312); the front part and the rear part of the arc-shaped plate (311) are respectively connected with a guide rod (314) in a sliding way; the two guide rods (314) are contacted with the push block (313); a first elastic part (315) is fixedly connected between the outer surface of each guide rod (314) and the inner cambered surface of the arc-shaped plate (311); the inner arc surface of the arc-shaped plate (311) is rotatably connected with a cylinder (316); a first spring telescopic column (317) is fixedly connected to one side of the cylinder (316) far away from the arc-shaped plate (311); a fixed seat (318) is fixedly connected to one side of the first spring telescopic column (317) far away from the column (316); the fixed seat (318) is rotatably connected with a pulley (319) through a rotating shaft; two high-pressure nozzles (320) are respectively arranged at the lower parts of the arc-shaped plates (311); two high pressure nozzles (320) are located below the two guide rods (314).
5. The coiled tube heat exchanger cleaning equipment according to claim 4, wherein the collection assembly comprises a rectangular chute plate (322), a second spring telescopic column (323), a slide bar (324), a second mounting plate (325) and a stretching assembly; the opposite sides of the left plate of the cabin body (204) and the right plate of the cabin body (204) are respectively fixedly connected with a rectangular sliding chute plate (322); the inner walls of the grooves of the two rectangular sliding groove plates (322) are respectively fixedly connected with a second spring telescopic column (323); the rear side surfaces of the two second spring telescopic columns (323) are fixedly connected with a sliding rod (324); the front side surface of the sliding rod (324) is fixedly connected with a second mounting plate (325); the second mounting plate (325) is connected with a plurality of stretching components which are distributed in a transverse equidistant mode.
6. The coiled tube heat exchanger cleaning device according to claim 5, wherein each stretching assembly comprises a round rod (326), a second elastic member (327) and a connecting block (328); three second elastic pieces (327) are fixedly connected to the rear side surface of the second mounting plate (325); the rear side surfaces of the three second elastic pieces (327) are fixedly connected with connecting blocks (328); the front side surface of the connecting block (328) is fixedly connected with three round rods (326); three second elastic pieces (327) are sleeved on a round rod (326); the three round rods (326) all penetrate through the second mounting plate (325), and the three round rods (326) are all in sliding connection with the second mounting plate (325).
7. The cleaning equipment for the wound tube type heat exchanger according to claim 6, wherein the second cleaning system (4) comprises a third mounting plate (401), a second electric slide rail (402), a third electric slide block (403), a winder (404), a nozzle (405), a first limiting disc (406), a support column (407), a second limiting disc (408), a spring self-locking block (409), a positioning disc (410) and a cleaning assembly; the middle part of the lower surface of the cabin body (204) is fixedly connected with a third mounting plate (401); two second electric slide rails (402) are fixedly connected to the front side surface of the third mounting plate (401); the outer surfaces of the two second electric slide rails (402) are respectively connected with a third electric slide block (403) in a sliding way; the front side surfaces of the two third electric sliding blocks (403) are fixedly connected with a winder (404); the right side surface of the winder (404) is communicated with a pipe orifice (405); the upper surface of the winder (404) is fixedly connected with a first limiting disc (406); the upper surface of the first limiting disc (406) is fixedly connected with a supporting column (407); a second limiting disc (408) is fixedly connected to the upper part of the outer surface of the supporting column (407); the upper surface of the second limiting disc (408) is fixedly connected with four spring self-locking blocks (409), and the four spring self-locking blocks (409) are distributed in an annular array; a positioning disc (410) is arranged on the four spring self-locking blocks (409); the winder (404) is connected with a plurality of cleaning components.
8. The cleaning equipment for the wound tube heat exchanger according to claim 7, wherein each cleaning assembly comprises a fixing plate (411), a second motor (412), a round shaft (413), a straight gear (414), a roller (415), a first round tube (416), bristles (417), a first ball joint (418), a second round tube (419), a connecting ring (420), a third elastic member (421), an annular sliding plate (422), an elastic sheet (423), a second ball joint (424) and a third round tube (425); a fixing plate (411) is fixedly connected to the lower surface of the second limiting disc (408); a second motor (412) is fixedly connected to the side surface of the fixing plate (411); two circular shafts (413) are rotatably connected to the fixing plate (411); the output shaft of the second motor (412) is fixedly connected with a circular shaft (413); two straight gears (414) are respectively fixedly connected to the two circular shafts (413); two spur gears (414) are meshed; two rollers (415) are respectively fixedly connected to the two circular shafts (413); the two straight gears (414) are positioned between the fixed plate (411) and the two rollers (415); a first round pipe (416) is wound in the winder (404); the first round pipe (416) penetrates through the first limiting disc (406), the second limiting disc (408) and the positioning disc (410) in sequence; the first circular tube (416) is communicated with the nozzle (405); the two rollers (415) are oppositely arranged and are used for conveying the first round pipe (416); a plurality of bristles (417) are arranged on the upper part of the outer surface of the first circular tube (416), and the bristles (417) are inclined; the upper part of the inner wall of the first circular tube (416) is movably connected with a first ball joint (418); the upper part of the first ball joint (418) is movably connected with a second round pipe (419); a connecting ring (420) is fixedly connected to the upper part of the outer surface of the second circular pipe (419); a third elastic piece (421) is fixedly connected to the lower surface of the connecting ring (420), and the third elastic piece (421) is sleeved on the outer surface of the second round pipe (419); the lower surface of the third elastic piece (421) is fixedly connected with an annular sliding plate (422); the annular sliding plate (422) is connected with the second round pipe (419) in a sliding way; six elastic pieces (423) are fixedly connected to the outer surface of the annular sliding plate (422), and the six elastic pieces (423) are distributed in an annular array; the upper part of the inner wall of the second round pipe (419) is movably connected with a second ball joint (424); the upper part of the second ball joint (424) is movably connected with a third round pipe (425).
9. The coiled tube heat exchanger cleaning equipment according to claim 8, wherein the first ball joint (418) and the second ball joint (424) are both hollow inside.
10. A cleaning process for a wound tube heat exchanger, which is suitable for a cleaning device for a wound tube heat exchanger according to claim 9, and comprises the following working steps:
the method comprises the following steps: the heat exchanger tube bundle is placed on the placing table (208), is adjusted, enables the heat transfer tubes on the outermost side of the heat exchanger tube bundle to correspond to the six pulleys (319), and is fixed through the four clamping blocks (211) and the pressing block (214);
step two: cleaning a heat transfer pipe wall hanging wall of a heat exchanger pipe bundle through a first cleaning system (3), washing the heat transfer pipe wall hanging wall of the heat exchanger pipe bundle by using high-pressure water sprayed by a high-pressure spray head (320), pushing caking dirt to fall on the bottom of the heat exchanger pipe bundle by using reciprocating movement of a guide rod (314), and finally pushing the caking dirt into a collecting groove (209a) through a round rod (326);
step three: the first cleaning system (3), the second cleaning system (4) and the heat exchanger tube bundle are driven by the clamping system (2) to be changed from a vertical state to a horizontal state;
step four: the inner wall of the heat transfer pipe of the heat exchanger pipe bundle is cleaned through the second cleaning system (4), the first spherical joint (418) and the second spherical joint (424) are moved, so that the first round pipe (416), the second round pipe (419) and the third round pipe (425) enter the inner wall of the heat transfer pipe of the heat exchanger pipe bundle, high-pressure water is sprayed out through the third round pipe (425) to flush away attachments on the inner wall of the heat transfer pipe of the heat exchanger pipe bundle, and the attachments on the inner wall of the heat transfer pipe of the heat exchanger pipe bundle are cleaned out through the bristles (417) through the reciprocating movement of the first round pipe (416).
CN202210523009.5A 2022-05-13 2022-05-13 Cleaning equipment and cleaning process for wound tube type heat exchanger Active CN114963850B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209230403U (en) * 2018-11-28 2019-08-09 江阴市森博特种换热设备有限公司 Convenient for the screw bundled tube tubular heat exchanger of scale removal
CN111097619A (en) * 2020-01-18 2020-05-05 郑州铁头机械科技有限公司 Equipment for spraying and printing characters on surface of pipe
CN213378303U (en) * 2020-07-17 2021-06-08 正威(天津)能源科技发展有限公司 Oil field pipeline cleaning device
CN113720196A (en) * 2020-05-26 2021-11-30 郭先光 Automatic cleaning device for inner wall of tube bundle of steam-water heat exchanger with four-axis structure
CN113731964A (en) * 2021-11-03 2021-12-03 东营浩辰石油技术开发有限公司 Device for removing dirt of petroleum pipeline for oil field exploitation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209230403U (en) * 2018-11-28 2019-08-09 江阴市森博特种换热设备有限公司 Convenient for the screw bundled tube tubular heat exchanger of scale removal
CN111097619A (en) * 2020-01-18 2020-05-05 郑州铁头机械科技有限公司 Equipment for spraying and printing characters on surface of pipe
CN113720196A (en) * 2020-05-26 2021-11-30 郭先光 Automatic cleaning device for inner wall of tube bundle of steam-water heat exchanger with four-axis structure
CN213378303U (en) * 2020-07-17 2021-06-08 正威(天津)能源科技发展有限公司 Oil field pipeline cleaning device
CN113731964A (en) * 2021-11-03 2021-12-03 东营浩辰石油技术开发有限公司 Device for removing dirt of petroleum pipeline for oil field exploitation

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