CN111536827A - Cleaning maintenance method for improving cleanliness of heat exchanger - Google Patents
Cleaning maintenance method for improving cleanliness of heat exchanger Download PDFInfo
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- CN111536827A CN111536827A CN202010377640.XA CN202010377640A CN111536827A CN 111536827 A CN111536827 A CN 111536827A CN 202010377640 A CN202010377640 A CN 202010377640A CN 111536827 A CN111536827 A CN 111536827A
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- heat exchanger
- cleaning
- water
- rod
- top end
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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
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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
- F28G15/00—Details
Abstract
The invention discloses a cleaning maintenance method for improving the cleanliness of a heat exchanger, which relates to the technical field of cleaning equipment. According to the invention, the clamping plates are enabled to do space winding motion in the middle parts of two adjacent supporting frames through the matching motion of the cam on the walking vehicle and the eccentric wheel, in the winding process, high-pressure cleaning liquid sprayed by the high-pressure water spray head acts on different positions of the surface of the shell of the heat exchanger and different positions of the surface of the filter screen of the heat exchanger, and the uneven profile of the surface is cleaned in a rotating manner through the cleaning brush at the top end of the high-pressure water spray head, so that the dirt hidden at the dead angle position can be cleaned quickly.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a cleaning maintenance method for improving the cleanliness of a heat exchanger.
Background
The heat exchanger is a device for transferring partial heat of hot fluid to cold fluid, also called heat exchanger, and plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, and the heat exchanger can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical production, and is widely applied.
The cleaning device comprises a cleaning device body, wherein the cleaning device body comprises main boards, cleaning boards, a carrying board, a secondary water pipe, a primary water pipe and a clean water tank, two parallel main boards are fixedly arranged at the upper end of the clean water tank, the two main boards are connected through a plurality of cleaning boards, two parallel mounting frames are arranged at the middle parts of the cleaning boards, a plurality of high-pressure spray heads are fixedly arranged at the lower ends of the two mounting frames, grooves are respectively arranged at one sides of the two main boards, the carrying board is arranged between the two symmetrical grooves and is in sliding connection with the two main boards through the two grooves, two symmetrical water pumps are fixedly arranged on the bottom board of the clean water tank, the cleaning device for the plate heat exchanger adopts the water pumps, the primary water pipe, the secondary water pipe, the tertiary water pipe and the high-pressure spray heads to form a complete washing device, and the plate heat exchanger is efficiently washed, and the flushed sewage flows back to the clean water tank through the water drainage hole for recycling.
The steel pipe galvanizing device disclosed by the patent still has some defects in actual use, and the specific defects are as follows:
the plate heat exchanger washes the in-process, because the heat exchanger surface has unevenness's profile face, unevenness's profile face has the dead angle easily, directly washes through high pressure nozzle, is difficult to wash unevenness's profile face totally.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a cleaning and maintaining method for improving the cleanliness of a heat exchanger, and solves the technical problem that in the washing process of a plate-type heat exchanger, due to the fact that the surface of the heat exchanger is provided with an uneven profile surface, the uneven profile surface is easy to have dead corners, and the uneven profile surface is difficult to wash cleanly due to direct washing of a high-pressure spray head.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a cleaning maintenance method for improving the cleanliness of a heat exchanger is completed by matching a cleaning maintenance device for improving the cleanliness of the heat exchanger, and comprises a water tank fixed on the ground, wherein a water tank is arranged inside the water tank, and cleaning liquid for cleaning the heat exchanger is stored in the water tank; the water tank is characterized in that a water inlet communicated with the water tank is formed in the middle of the top end of the water tank, a filter frame is installed in the water inlet at the top end of the water tank, a cleaning frame is installed at the top end of the water tank, the cleaning frame is arranged to be a square frame at the top end of the water tank, communicated cleaning ports are formed in the left side and the right side of the cleaning frame, a plurality of support frames which are fixed at equal intervals are arranged in the cleaning ports of the cleaning frame, a plurality of drain holes which are communicated at equal intervals are formed in the top ends of the support frames and the bottom ends of the support frames, and a plurality of high-pressure water spray heads which are fixed at equal;
a plurality of secondary water pipes are symmetrically arranged on the front side and the rear side of the cleaning frame, each secondary water pipe on the front side and the rear side of the cleaning frame is communicated with a corresponding high-pressure water spray head, primary water pipes are symmetrically arranged on the front side and the rear side of the cleaning frame, a plurality of secondary water pipes on each side of the cleaning frame are connected to the primary water pipes in parallel, the bottom ends of the primary water pipes penetrate through the pool box and extend into the pool groove, and a water pump is mounted at the bottom end of each primary water pipe extending into the pool groove;
the right side of the pool tank is provided with a bottom supporting plate which is a flat plate structure fixed on the ground, the top end of the bottom supporting plate is provided with a walking vehicle, the bottom end of the walking vehicle is provided with walking wheels, the right side of the walking vehicle is provided with an electric push rod, the right side of the electric push rod is provided with a baffle foot, the top end of the walking vehicle is provided with a support standing on the top end of the walking vehicle, the middle part of the support is provided with a plurality of sliding holes penetrating through the left side and the right side of the support, each sliding hole of the support is internally provided with a pull rod in a sliding fit manner, the right side of each pull rod is provided with two symmetrical clamping plates, the clamping plates extend into the middle parts of two adjacent support frames, the left end of each pull rod is provided with a circular-ring-shaped ear ring, the top end of the ear ring is provided with a penetrating cam hole, a synchronous shaft is connected between two adjacent eccentric wheels, a motor is arranged close to the right side of the bracket, and the bottom end of the synchronous shaft is fixedly connected with an output shaft of the motor through a coupler;
the walking vehicle comprises a movable block, guide grooves, rotating shafts, a cam groove and a second motor, wherein the cam groove is formed in the top end of the walking vehicle, the guide grooves are symmetrically formed in two sides of the inner wall of the cam groove, the movable block is embedded into the guide grooves in two sides of the inner wall of the cam groove in a sliding fit mode, the cam is arranged at the bottom end of the cam groove, the rotating shafts are arranged at two ends of the cam, the rotating shafts at two ends of the cam are fixed to two sides of the inner wall of the cam groove through bearings, the second motor is arranged on the right side of the walking vehicle, and the rotating shaft at one end of the cam is fixedly connected;
the cleaning maintenance method for improving the cleanliness of the heat exchanger specifically comprises the following steps:
s1, disassembling a heat exchanger: the shell of the heat exchanger and the filter screen on the heat exchanger are folded, so that the shell of the heat exchanger is separated from the filter screen;
s2, workpiece installation: respectively installing the heat exchanger shell and the heat exchanger filter screen disassembled in the step S1 on different clamping plates;
s3, workpiece conveying: conveying the heat exchanger shell and the heat exchanger filter screen which are arranged on the clamping plates in the step S2 into a cleaning frame, pushing the walking vehicle to move into the pool box through an electric push rod, and extending the clamping plates provided with the heat exchanger shell and the heat exchanger filter screen into the middle parts of the two adjacent supporting frames;
s5, cleaning the workpiece: the cleaning liquid is sprayed by extending a high-pressure water spray head on the cleaning frame into the heat exchanger shells and the heat exchanger filter screens in the middle parts of the two adjacent supporting frames in the step S3, the clamping plates move in the middle parts of the two adjacent supporting frames in a space manner by rotating the cam on the walking vehicle and matching with the rotation of the eccentric wheel, and the heat exchanger shells and the heat exchanger filter screens are cleaned by the impact of the sprayed cleaning liquid.
As a preferred technical scheme of the invention, the clamping plate comprises a central supporting column, a shaft lever, a threaded hole, a second chute, a sliding rod, a two-way thread, a locking threaded hole and a locking screw rod, the central supporting rod is fixed at the right end of the bracket, the second chutes are symmetrically arranged at the left side and the right side of the central supporting rod, the clamping plate is symmetrically arranged at the left side and the right side of the central supporting rod, the top ends of the clamping plates at the left side and the right side of the central supporting rod are provided with sliding rods matched with the second sliding grooves, the slide bar is embedded into the second chute in a sliding fit mode, the slide bar positioned on the left side and the right side of the central support bar is internally provided with a through threaded hole, the middle part of the central supporting rod is provided with a shaft lever through clamping connection, two ends of the shaft lever extend out to the left side and the right side of the central supporting rod, two ends of the shaft lever are symmetrically provided with two-way threads, and the two-way threads at the two ends of the shaft lever are connected with threaded holes in the sliding rod in a thread matching mode; one end of the shaft rod penetrates through a threaded hole in the sliding rod and extends out of the sliding rod, and a first adjusting knob is arranged at the top end of the shaft rod extending out of the threaded hole;
the other end of the clamping plate is provided with a through locking threaded hole, the locking screw penetrates through the locking threaded holes in the clamping plates on the two sides in a threaded matching mode, and a second adjusting knob is arranged at the top of one end of the locking screw.
As a preferred technical scheme of the present invention, the high pressure water spray head includes a support base fixed at both ends of the support frame, a water delivery cavity is provided inside the support frame to communicate with the secondary water delivery pipe, a plurality of water spray nozzles are provided at the top end of the support base, the water spray nozzles are provided at the top end of the support base along the edge of the support base at equal intervals along the circumference, a water inlet cavity is provided inside the support base, one end of the water inlet cavity is communicated with the water delivery cavity, the other end of the water inlet cavity is communicated with a water spray cavity channel, the water spray cavity channel is provided with a circular cavity inside the support base, and the water spray cavity channel is communicated with the corresponding water spray nozzles through a plurality of water spray pipes.
As a preferred technical scheme of the invention, the middle part of the top end of the supporting base is provided with a rotating head, the middle part of the supporting base is provided with a shaft lever through a bearing, the top end of the shaft lever is provided with the rotating head, the top end of the rotating head is provided with a cleaning brush, and the bottom end of the shaft lever extends into the water inlet cavity; the bottom end of the shaft rod extending into the water inlet cavity is provided with a turbine blade.
In a preferred embodiment of the present invention, the brush is formed in a hemispherical shape at a distal end of the rotating head, and a plurality of round bar-shaped bristles are provided on a surface of the hemispherical brush.
Compared with the prior art, the invention at least comprises the following beneficial effects:
firstly, a cleaning frame is arranged at the top end of a pool tank, a plurality of support frames which are fixed at equal intervals are arranged in a cleaning port of the cleaning frame, and a plurality of high-pressure water spraying heads which are fixed at equal intervals are symmetrically arranged at the top end of each support frame and the bottom end of each support frame; the heat exchanger shell and the heat exchanger filter screen are arranged on the clamping plates, the electric push rod pushes the walking vehicle to move towards the pool tank, and the clamping plates provided with the heat exchanger shell and the heat exchanger filter screen extend into the middle parts of the two adjacent supporting frames; spray high-pressure cleaning liquid to the both ends of heat exchanger shell and heat exchanger filter screen through the high pressure water spray head, the injection in-process, through the cooperation motion of cam on the walking car and eccentric wheel, make the grip block do the space winding motion at the middle part of two adjacent support frames, the winding in-process, the high pressure cleaning liquid that the high pressure water spray head sprays is used in the surperficial different positions of heat exchanger shell, and the surperficial different positions of heat exchanger filter screen, through the unevenness on heat exchanger shell surface, the washing liquid that makes the high pressure spray receives the impact when the unsmooth position of heat exchanger filter screen surface and produces the emission and sprays, be favorable to hiding the filth sanitization at dead.
The high-pressure water spraying head is internally provided with a water inlet cavity, the turbine blades are pushed to rotate by cleaning liquid flowing in the water inlet cavity, after the turbine blades rotate, the rotating head at the top end of the supporting base is driven to rotate by the shaft rod, so that the cleaning brush at the top end of the rotating head is rotated, the cleaning brush is favorable for performing cleaning operation on the heat exchanger shell or the heat exchanger filter screen in the contact process of the cleaning brush and the heat exchanger shell or the heat exchanger filter screen extending into the middle parts of the two adjacent supporting frames, the other end of the water inlet cavity is communicated with the water spraying cavity channel, and the water spraying cavity channel is communicated with the corresponding water spraying nozzles through a plurality of water spraying pipelines, so that the high-pressure water spraying head pushes the rotating head to rotate in the water spraying process, the cleaning brush is subjected to cleaning.
The clamping plates move in a spatial winding manner in the middle of two adjacent supporting frames through the matching movement of the cam on the walking vehicle and the eccentric wheel, in the winding process, high-pressure cleaning liquid sprayed by the high-pressure water spray head acts on different positions of the surface of the heat exchanger shell and different positions of the surface of the heat exchanger filter screen, the high-pressure cleaning liquid sprayed by the high-pressure water spray head acts on the surface of the heat exchanger filter screen to perform divergent spraying through the unevenness of the surface of the heat exchanger shell, the uneven contour of the surface is cleaned in a rotating manner through the cleaning brush at the top end of the high-pressure water spray head, and the dirt hidden at the dead angle position can be cleaned quickly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of a clean maintenance method of the present invention for improving heat exchanger cleanliness;
FIG. 2 is a front view of the cleaning and maintenance device for improving heat exchanger cleanliness of the present invention;
FIG. 3 is a left side view of the cleaning and maintenance device for improving heat exchanger cleanliness of the present invention;
FIG. 4 is a top view of the stand of the present invention;
FIG. 5 is a schematic view of the structural connection between the clamping plate and the eccentric wheel according to the present invention;
FIG. 6 is a schematic cross-sectional view of the high pressure water jet head of the present invention on a support;
FIG. 7 is a schematic cross-sectional view of the traveling vehicle according to the present invention;
FIG. 8 is a schematic view of the turbine blade of the present invention in an oil inlet;
in the figure: 1. a pool tank, 2, a pool tank, 3, a drain valve, 4, a filter stand, 5, a cleaning stand, 6, a high-pressure water spray head, 601, a support base, 602, a water spray channel, 603, a water spray pipeline, 604, a water spray nozzle, 605, a rotating head, 606, a brush, 607, a shaft lever, 608, a water discharge cavity, 609, a turbine blade, 610, a water inlet cavity, 7, a support frame, 701, a water delivery cavity, 8, a clamping plate, 801, a central support column, 802, a shaft lever, 803, a threaded hole, 804, a second sliding groove, 805, a sliding rod, 806, a bidirectional thread, 807, a locking screw rod, 808, a locking threaded hole, 809, a first adjusting knob, 810, a second adjusting knob, 9, a water pump, 10, a primary water delivery pipe, 11, a secondary water delivery pipe, 12, a support, 13, an earring, 14, a synchronizing shaft, 15, a pull rod, 16, a motor, 17, a travelling block, 1702, a guide groove, 3, 170, a rotating shaft 1704, a cam 1705, a cam groove 18, a second motor 19, an electric push rod 20, a blocking foot 21, a bottom supporting plate 22, an eccentric wheel 23, a cam hole 24, a travelling wheel 25 and a water drainage hole.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-8, an overall structure diagram of a cleaning maintenance method for improving the cleanliness of a heat exchanger is shown;
a cleaning maintenance method for improving the cleanliness of a heat exchanger is completed by matching a cleaning maintenance device for improving the cleanliness of the heat exchanger, and comprises a water tank 1 fixed on the ground, wherein a water tank 2 is arranged inside the water tank 1, and a cleaning solution for cleaning the heat exchanger is stored in the water tank 2; a water inlet communicated with the water tank 2 is formed in the middle of the top end of the water tank 1, a filter frame 4 is installed in the water inlet at the top end of the water tank 1, a cleaning frame 5 is installed at the top end of the water tank 1, a diamond-shaped net is installed in the middle of the filter frame 4, the cleaning of the backflow of the upper cleaning frame 5 is filtered through the diamond-shaped net on the filter frame 4, the cleaning liquid is convenient to use circularly, the cleaning frame 5 is arranged into a square frame at the top end of the water tank 1, through cleaning openings are formed in the left side and the right side of the cleaning frame 5, a plurality of support frames 7 which are fixed at equal intervals are arranged in the cleaning openings of the cleaning frame 5, a plurality of drain holes 25 which are through at equal intervals are formed in the top ends of the support frames 7 and the bottom ends of the support frames;
a plurality of secondary water pipes 11 are symmetrically arranged on the front side and the rear side of the cleaning frame 5, each secondary water pipe 11 on the front side and the rear side of the cleaning frame 5 is communicated with a corresponding high-pressure water spray head 6, primary water pipes 10 are symmetrically arranged on the front side and the rear side of the cleaning frame 5, the plurality of secondary water pipes 11 on each side of the cleaning frame 5 are connected in parallel to the primary water pipes 10, the bottom end of each primary water pipe 10 penetrates through the pool tank 1 and extends into the pool tank 2, and a water pump 9 is arranged at the bottom end of each primary water pipe 10 extending into the pool tank 2;
the cleaning liquid is conveyed into the first-stage water conveying pipe 10 through the water pump 9, and the cleaning liquid is conveyed into the first-stage water conveying pipe 10 synchronously through a plurality of second-stage water conveying pipes 11 connected to the first-stage water conveying pipe 10 in parallel, so that the cleaning liquid is conveyed into each high-pressure water spraying head 6 quickly.
A bottom supporting plate 21 is arranged on the right side of the pool tank 1, the bottom supporting plate 21 is of a flat plate structure fixed on the ground, a walking vehicle 17 is installed at the top end of the bottom supporting plate 21, walking wheels 24 are arranged at the bottom end of the walking vehicle 17, an electric push rod 19 is arranged on the right side of the walking vehicle 17, a blocking foot 20 is arranged on the right side of the electric push rod 19, a support 12 standing upright on the top end of the walking vehicle 17 is arranged at the top end of the walking vehicle 17, the support 12 is arranged to be a square frame, a plurality of sliding holes penetrating through the left side and the right side of the support 12 are formed in the middle of the support 12, a pull rod 15 is installed in each sliding hole of the support 12 in a sliding fit manner, two symmetrical clamping plates 8 are arranged on the right side of each pull rod 15, the clamping plates 8 extend into the middle of two adjacent support frames 7, an annular ear ring 13, eccentric wheels 22 are arranged in the cam holes 23 in a sliding fit mode, a synchronous shaft 14 is connected between every two adjacent eccentric wheels 22, a motor 16 is arranged on the right side close to the support 12, and the bottom end of the synchronous shaft 14 is fixedly connected with an output shaft of the motor 16 through a coupling;
the walking vehicle 17 comprises a movable block 1701, a guide groove 1702, a rotating shaft 1703, a cam 1704, a cam groove 1705 and a second motor 18, wherein the top end of the walking vehicle 17 is provided with the cam groove 1705, two sides of the inner wall of the cam groove 1705 are symmetrically provided with the guide grooves 1702, the movable block 1701 is embedded into the guide grooves 1702 on two sides of the inner wall of the cam groove 1705 in a sliding fit mode, the bottom end of the cam groove 1705 is provided with the cam 1704, two ends of the cam 1704 are provided with the rotating shaft 1703, the rotating shafts 1703 on two ends of the cam 1704 are fixed on two sides of the inner wall of the cam groove 1705 through bearings, the second motor 18 is arranged on the right side of the walking vehicle 17, and the rotating shaft 1703 on one;
the top end of the pool tank 1 is provided with a cleaning frame 5, a plurality of support frames 7 which are fixed at equal intervals are arranged in a cleaning port of the cleaning frame 5, and a plurality of high-pressure water spraying heads 6 which are fixed at equal intervals are symmetrically arranged at the top end of each support frame 7 and the bottom end of each support frame 7; the heat exchanger shell and the heat exchanger filter screen are arranged on the clamping plates 8, the electric push rod 9 pushes the walking vehicle 17 to move towards the pool tank 1, and the clamping plates 8 provided with the heat exchanger shell and the heat exchanger filter screen extend into the middle parts of the two adjacent supporting frames 7; spray high-pressure cleaning liquid to the both ends of heat exchanger shell and heat exchanger filter screen through high pressure water sprayhead 6, in the injection process, through cam 1704 and eccentric wheel 22's on the walking car 17 cooperation motion, make grip block 8 do the space winding motion in the middle part of two adjacent support frames 7, the winding in-process, the high-pressure cleaning liquid that high pressure water sprayhead 6 sprays is used in the surperficial different positions of heat exchanger shell, and the surperficial different positions of heat exchanger filter screen, through the unevenness on heat exchanger shell surface, make the cleaning liquid of high-pressure injection receive the impact production when heat exchanger filter screen surface unevenness position and scatter the injection, be favorable to hiding the filth sanitization at dead angle position.
The cleaning maintenance method for improving the cleanliness of the heat exchanger specifically comprises the following steps:
s1, disassembling a heat exchanger: the shell of the heat exchanger and the filter screen on the heat exchanger are folded, so that the shell of the heat exchanger is separated from the filter screen;
s2, workpiece installation: respectively installing the heat exchanger shell and the heat exchanger filter screen disassembled in the step S1 on different clamping plates 8;
s3, workpiece conveying: conveying the heat exchanger shell and the heat exchanger filter screen which are arranged on the clamping plate 8 in the step S2 into the cleaning frame 5, pushing the walking vehicle 17 to move into the pool tank 1 through the electric push rod 19, and extending the clamping plate 8 provided with the heat exchanger shell and the heat exchanger filter screen into the middle parts of two adjacent supporting frames 7;
s5, cleaning the workpiece: the cleaning liquid is sprayed by extending the high-pressure water spray head 6 on the cleaning frame 5 into the heat exchanger shell and the heat exchanger filter screen in the middle of the two adjacent support frames 7 in the step S3, the clamping plate 8 is enabled to do spatial movement in the middle of the two adjacent support frames 7 by rotating the cam 1704 on the walking vehicle 17 and matching with the rotation of the eccentric wheel 22, and the heat exchanger shell and the heat exchanger filter screen are cleaned by the impact of the sprayed cleaning liquid.
The clamping plate 8 comprises a central supporting column 801, a shaft rod 802, a threaded hole 803, a second sliding chute 804, a sliding rod 805, a bidirectional thread 806, a locking threaded hole 807 and a locking screw 808, the central support rod 801 is fixed at the right end of the bracket 12, the left side and the right side of the central support rod 801 are symmetrically provided with second sliding grooves 804, the clamping plates 8 are symmetrically arranged at the left side and the right side of the central support rod 801, the top ends of the clamping plates 8 at the left side and the right side of the central support rod 801 are provided with sliding rods 805 matched with the second sliding grooves 804, the sliding rods 805 are embedded in the second sliding grooves 804 in a sliding matching mode, the sliding rods 805 at the left side and the right side of the central support rod 801 are internally provided with through threaded holes 803, the middle part of the central support rod 801 is provided with a shaft rod 802 through clamping, two ends of the shaft rod 802 extend out to the left side and the right side of the central support rod 801, two ends of the shaft rod; one end of the shaft rod 802 extends out through a threaded hole 803 in the sliding rod 805, and a first adjusting knob 809 is arranged at the top end of the shaft rod 802 extending out of the threaded hole 803;
the other end of the clamping plate 8 is provided with a through locking threaded hole 807, a locking screw 808 penetrates through the locking threaded holes 807 on the clamping plates 8 on the two sides in a threaded matching mode, and the top of one end of the locking screw 808 is provided with a second adjusting knob 810.
Wherein, through rotating first adjust knob 809 and second adjust knob 810, the grip block 8 of drive center support pole 801 left and right sides expandes or the clamp closes, expandes or the clamp closes the both sides centre gripping of fixing the heat exchanger through grip block 8 in center support pole 801 left and right sides, reduces the top and the bottom of heat exchanger by the area that the centre gripping took, leaves the dead angle when avoiding clean, improves clear thoroughness.
The high-pressure water spraying head 6 comprises supporting bases 601 fixed at two ends of a supporting frame 7, a water conveying cavity 701 and a secondary water conveying pipe 11 are arranged inside the supporting frame 7 and communicated, a plurality of water spraying nozzles 604 distributed at equal intervals are arranged on the top end of the supporting base 601, the water spraying nozzles 604 are distributed at equal intervals along the edge of the supporting base 601 on the top end of the supporting base 601, a water inlet cavity 610 is arranged inside the supporting base 601, one end of the water inlet cavity 610 is communicated with the water conveying cavity 701, the other end of the water inlet cavity 610 is communicated with a water spraying cavity channel 602, the water spraying cavity channel 602 is provided with an annular cavity inside the supporting base 601, and the water spraying cavity channel 602 is communicated with the corresponding water spraying nozzles 604 through a plurality of water.
The brush 607 is formed in a hemispherical shape at the tip of the rotating head 605, and a plurality of round bar-shaped bristles are provided on the surface of the hemispherical brush 607, thereby improving the cleaning efficiency.
The middle part of the top end of the supporting base 601 is provided with a rotating head 605, the middle part of the supporting base 601 is provided with a shaft lever 607 through a bearing, the top end of the shaft lever is provided with the rotating head 605, the top end of the rotating head 605 is provided with a cleaning brush 606, and the bottom end of the shaft lever 607 extends into the water inlet cavity 610; the turbine blades 609 are mounted to the bottom end of the shaft 607 that extends into the intake chamber 610.
The turbine blade 609 is installed in the water inlet cavity 610, the water inlet cavity 610 is divided into the water inlet cavity 610 and the water discharge cavity 608 through the turbine blade 609, wherein one end of the water inlet cavity 610 is communicated with the water delivery cavity 701, the other end of the water inlet cavity 610 is communicated with the water discharge cavity 608, the divided water discharge cavity 608 is communicated with the water spray cavity channel 602, the water spray cavity channel 602 is arranged in an annular cavity in the supporting base 601, the shaft lever 607 is arranged in the middle of the annular cavity, the turbine blade 609 is pushed to rotate through cleaning liquid flowing in the water inlet cavity 610, the cleaning liquid discharged by the turbine blade 609 enters the water discharge cavity 608, and the cleaning liquid in the water discharge cavity 608 is sprayed out to each water spray nozzle 604 through the water spray cavity channel 602.
Wherein, the inside of the high pressure water spray head 6 of the invention is provided with a water inlet cavity 610, the cleaning liquid flowing in the water inlet cavity 610 pushes the turbine blade 609 to rotate, after the turbine blade 609 rotates, the rotating head 605 at the top end of the supporting base 6 is driven to rotate by the shaft lever 607, so that the cleaning brush 606 at the top end of the rotating head 605 rotates, the cleaning operation of the heat exchanger shell or the heat exchanger filter screen is favorably carried out during the contact process of the cleaning brush 606 and the heat exchanger shell or the heat exchanger filter screen extending into the middle parts of the two adjacent supporting frames 7, by communicating the other end of the water inlet chamber 610 with the water spray channel 602, the water spray channel 602 is communicated with the corresponding water spray nozzles 604 through a plurality of water spray pipes 603, the high-pressure water spray head 6 of the invention pushes the rotary head 605 to rotate in the water spraying process, so that the cleaning operation is carried out when the cleaning brush 606 is contacted with the heat exchanger shell or the heat exchanger filter screen, and the cleaning effect of the high-pressure water spray head 6 is improved.
In the invention, the clamping plates 8 are enabled to do space winding motion in the middle parts of two adjacent supporting frames 7 through the matching motion of the cam 1705 on the walking vehicle 17 and the eccentric wheel 22, in the winding process, high-pressure cleaning liquid sprayed by the high-pressure water spray head 6 is sprayed on different positions of the surface of the heat exchanger shell and different positions of the surface of the heat exchanger filter screen, the high-pressure sprayed cleaning liquid is enabled to act on the surface of the heat exchanger filter screen to be sprayed in a dispersing way through the unevenness of the surface of the heat exchanger shell, and the uneven contour of the surface is cleaned in a rotating way through the cleaning brush 606 at the top end of the high-pressure water spray head 6, so that the dirt hidden at the dead angle position.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a clean maintenance method of improvement heat exchanger cleanliness factor, this clean maintenance method of improvement heat exchanger cleanliness factor adopts the clean maintenance device cooperation of improvement heat exchanger cleanliness factor to accomplish, and this clean maintenance device of improvement heat exchanger cleanliness factor is including being fixed in the pond case on ground, its characterized in that: a pool tank is arranged in the pool box, and cleaning liquid for cleaning the heat exchanger is stored in the pool tank; the water tank is characterized in that a water inlet communicated with the water tank is formed in the middle of the top end of the water tank, a filter frame is installed in the water inlet at the top end of the water tank, a cleaning frame is installed at the top end of the water tank, the cleaning frame is arranged to be a square frame at the top end of the water tank, communicated cleaning ports are formed in the left side and the right side of the cleaning frame, a plurality of support frames which are fixed at equal intervals are arranged in the cleaning ports of the cleaning frame, a plurality of drain holes which are communicated at equal intervals are formed in the top ends of the support frames and the bottom ends of the support frames, and a plurality of high-pressure water spray heads which are fixed at equal;
a plurality of secondary water pipes are symmetrically arranged on the front side and the rear side of the cleaning frame, each secondary water pipe on the front side and the rear side of the cleaning frame is communicated with a corresponding high-pressure water spray head, primary water pipes are symmetrically arranged on the front side and the rear side of the cleaning frame, a plurality of secondary water pipes on each side of the cleaning frame are connected to the primary water pipes in parallel, the bottom ends of the primary water pipes penetrate through the pool box and extend into the pool groove, and a water pump is mounted at the bottom end of each primary water pipe extending into the pool groove;
the right side of the pool tank is provided with a bottom supporting plate which is a flat plate structure fixed on the ground, the top end of the bottom supporting plate is provided with a walking vehicle, the bottom end of the walking vehicle is provided with walking wheels, the right side of the walking vehicle is provided with an electric push rod, the right side of the electric push rod is provided with a baffle foot, the top end of the walking vehicle is provided with a support standing on the top end of the walking vehicle, the middle part of the support is provided with a plurality of sliding holes penetrating through the left side and the right side of the support, each sliding hole of the support is internally provided with a pull rod in a sliding fit manner, the right side of each pull rod is provided with two symmetrical clamping plates, the clamping plates extend into the middle parts of two adjacent support frames, the left end of each pull rod is provided with a circular-ring-shaped ear ring, the top end of the ear ring is provided with a penetrating cam hole, a synchronous shaft is connected between two adjacent eccentric wheels, a motor is arranged close to the right side of the bracket, and the bottom end of the synchronous shaft is fixedly connected with an output shaft of the motor through a coupler;
the walking vehicle comprises a movable block, guide grooves, rotating shafts, a cam groove and a second motor, wherein the cam groove is formed in the top end of the walking vehicle, the guide grooves are symmetrically formed in two sides of the inner wall of the cam groove, the movable block is embedded into the guide grooves in two sides of the inner wall of the cam groove in a sliding fit mode, the cam is arranged at the bottom end of the cam groove, the rotating shafts are arranged at two ends of the cam, the rotating shafts at two ends of the cam are fixed to two sides of the inner wall of the cam groove through bearings, the second motor is arranged on the right side of the walking vehicle, and the rotating shaft at one end of the cam is fixedly connected;
the cleaning maintenance method for improving the cleanliness of the heat exchanger specifically comprises the following steps:
s1, disassembling a heat exchanger: the shell of the heat exchanger and the filter screen on the heat exchanger are folded, so that the shell of the heat exchanger is separated from the filter screen;
s2, workpiece installation: respectively installing the heat exchanger shell and the heat exchanger filter screen disassembled in the step S1 on different clamping plates;
s3, workpiece conveying: conveying the heat exchanger shell and the heat exchanger filter screen which are arranged on the clamping plates in the step S2 into a cleaning frame, pushing the walking vehicle to move into the pool box through an electric push rod, and extending the clamping plates provided with the heat exchanger shell and the heat exchanger filter screen into the middle parts of the two adjacent supporting frames;
s5, cleaning the workpiece: the cleaning liquid is sprayed by extending a high-pressure water spray head on the cleaning frame into the heat exchanger shells and the heat exchanger filter screens in the middle parts of the two adjacent supporting frames in the step S3, the clamping plates move in the middle parts of the two adjacent supporting frames in a space manner by rotating the cam on the walking vehicle and matching with the rotation of the eccentric wheel, and the heat exchanger shells and the heat exchanger filter screens are cleaned by the impact of the sprayed cleaning liquid.
2. The cleaning maintenance method for improving the cleanliness of the heat exchanger according to claim 1, wherein: the clamping plate comprises a central supporting column, a shaft lever, a threaded hole, a second chute, a sliding rod, a two-way thread, a locking threaded hole and a locking screw rod, the central supporting rod is fixed at the right end of the bracket, the second chutes are symmetrically arranged at the left side and the right side of the central supporting rod, the clamping plate is symmetrically arranged at the left side and the right side of the central supporting rod, the top ends of the clamping plates at the left side and the right side of the central supporting rod are provided with sliding rods matched with the second sliding grooves, the slide bar is embedded into the second chute in a sliding fit mode, the slide bar positioned on the left side and the right side of the central support bar is internally provided with a through threaded hole, the middle part of the central supporting rod is provided with a shaft lever through clamping connection, two ends of the shaft lever extend out to the left side and the right side of the central supporting rod, two ends of the shaft lever are symmetrically provided with two-way threads, and the two-way threads at the two ends of the shaft lever are connected with threaded holes in the sliding rod in a thread matching mode; one end of the shaft rod penetrates through a threaded hole in the sliding rod and extends out of the sliding rod, and a first adjusting knob is arranged at the top end of the shaft rod extending out of the threaded hole;
the other end of the clamping plate is provided with a through locking threaded hole, the locking screw penetrates through the locking threaded holes in the clamping plates on the two sides in a threaded matching mode, and a second adjusting knob is arranged at the top of one end of the locking screw.
3. The cleaning maintenance method for improving the cleanliness of the heat exchanger according to claim 1, wherein: the utility model discloses a high pressure water sprayer, including fixing the support base at support frame both ends, the inside of support frame is equipped with water delivery chamber and second grade raceway intercommunication, the top of supporting the base is provided with the water spout of a plurality of equidistant distribution, the water spout is at the edge of supporting the base along the top of supporting the base according to circumference equidistant distribution, the inside of supporting the base is provided with the intake antrum, the one end and the water delivery chamber intercommunication of intake antrum, the other end and the water spray chamber of intake antrum say the intercommunication, the water spray chamber says and is provided with the annular chamber in the inside of supporting the base, the water spray chamber says and communicates through a plurality of water spray pipe and the water spout that corresponds.
4. The cleaning maintenance method for improving the cleanliness of the heat exchanger according to claim 3, wherein: the middle part of the top end of the supporting base is provided with a rotating head, the middle part of the supporting base is provided with a shaft lever through a bearing, the top end of the shaft lever is provided with the rotating head, the top end of the rotating head is provided with a cleaning brush, and the bottom end of the shaft lever extends into the water inlet cavity; the bottom end of the shaft rod extending into the water inlet cavity is provided with a turbine blade.
5. The cleaning maintenance method for improving the cleanliness of the heat exchanger according to claim 4, wherein: the cleaning brush sets up to the semicircle orb on the top of rotating head, and the semicircle orb the cleaning brush surface is provided with the brush hair of many round bar shape.
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|---|---|---|---|---|
| EP0770432A2 (en) * | 1995-10-26 | 1997-05-02 | Pötzscher, Carola | Washing machine |
| KR20140082009A (en) * | 2012-12-21 | 2014-07-02 | (주)에코파워텍 | Auto washing machine assembly with transfer conveyor |
| CN103925830A (en) * | 2014-05-08 | 2014-07-16 | 赵宽学 | Automatic cleaning system for air conditioner heat exchanger |
| CN104056801A (en) * | 2014-07-09 | 2014-09-24 | 丁文煜 | Full-automatic rotating knife clamp cleaning machine |
| CN108369081A (en) * | 2015-09-29 | 2018-08-03 | 布卢博克斯空调有限责任公司 | Method and system for cleaning heating, ventilation and air handling system |
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2020
- 2020-05-07 CN CN202010377640.XA patent/CN111536827B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0770432A2 (en) * | 1995-10-26 | 1997-05-02 | Pötzscher, Carola | Washing machine |
| KR20140082009A (en) * | 2012-12-21 | 2014-07-02 | (주)에코파워텍 | Auto washing machine assembly with transfer conveyor |
| CN103925830A (en) * | 2014-05-08 | 2014-07-16 | 赵宽学 | Automatic cleaning system for air conditioner heat exchanger |
| CN104056801A (en) * | 2014-07-09 | 2014-09-24 | 丁文煜 | Full-automatic rotating knife clamp cleaning machine |
| CN108369081A (en) * | 2015-09-29 | 2018-08-03 | 布卢博克斯空调有限责任公司 | Method and system for cleaning heating, ventilation and air handling system |
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| CN111536827B (en) | 2021-08-10 |
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