CN112284184B - Cleaning and scraping device and method for inner wall of geothermal pipe - Google Patents
Cleaning and scraping device and method for inner wall of geothermal pipe Download PDFInfo
- Publication number
- CN112284184B CN112284184B CN202011198875.9A CN202011198875A CN112284184B CN 112284184 B CN112284184 B CN 112284184B CN 202011198875 A CN202011198875 A CN 202011198875A CN 112284184 B CN112284184 B CN 112284184B
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- pipe
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- spring
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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
- F28G3/00—Rotary appliances
- F28G3/04—Rotary appliances having brushes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/0092—Devices for preventing or removing corrosion, slime or scale
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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
- F28G15/003—Control arrangements
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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
- F28G15/04—Feeding and driving arrangements, e.g. power operation
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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
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The invention discloses a cleaning and scraping device and a method for the inner wall of a geothermal pipe. The device is provided with the scraping head mechanism comprising the scraping plate, the spring brush, the winding assembly and the rotating assembly, so that the scraping plate and the spring brush can scrape and wash the inner wall of the geothermal pipe in a rotating manner, the spring brush can be conveniently put in and wound, and in addition, the device is matched with the liquid injection mechanism comprising the spray hole, the nested pipe and the liquid extraction cylinder, so that the filling of descaling liquid is realized, and the descaling and cleaning effects are improved.
Description
Technical Field
The invention relates to the field of geothermal equipment, in particular to a cleaning and scraping device and a cleaning and scraping method for an inner wall of a geothermal pipe.
Background
Geothermal pipe says after long-time use, and the easy scale deposit of inner wall influences the hot water circulation of pipeline and the heat exchange efficiency of pipeline casing, and traditional geothermal pipe says and washs and need dismantle the clearance to the pipeline, just can be better get rid of the scale deposit, and the cleaning procedure is complicated, troublesome poeration.
The application provides a cleaning and scraping device and a method for the inner wall of a geothermal pipe.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides a device and a method for cleaning and scraping the inner wall of a geothermal pipe.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a cleaning and scraping device for the inner wall of a geothermal pipe comprises a cleaning mechanism for scraping and scrubbing the inner wall of the geothermal pipe and an injection mechanism for injecting descaling liquid into the geothermal pipe;
the cleaning mechanism comprises a spring brush, a scraping head mechanism fixedly connected with the front end of the spring brush, a winding assembly used for winding and releasing the spring brush, and a rotating assembly used for driving the winding assembly to rotate so as to enable the spring brush to rotate in the geothermal pipe.
As a further scheme of the invention: the spring brush is a spiral spring with brush hair adhered to the surface; .
As a further scheme of the invention: the head scraping mechanism comprises a hemisphere, the front end of the hemisphere is nested with a semicircular scraper, and the hemisphere is matched with the embedded groove of the scraper; the scraper blade is hinged with the hemispheroid through a hinge.
As a further scheme of the invention: the winding assembly comprises a winding drum for winding the spring brush, a rotating frame is sleeved on the outer side of the winding drum, one end of the winding drum is rotatably connected with the rotating frame through a first rotating shaft, and the other end of the winding drum is rotatably connected with the rotating frame through a second rotating shaft; the first rotating shaft extends to the outer side of the rotating frame and is fixedly connected with a rolling gear, and the rolling gear is meshed with a gear ring fixedly connected with the mounting frame through a fixed rod; the rotating frame is connected with a rotating assembly which drives the rotating frame to rotate.
As a further scheme of the invention: the winding drum is abutted with a spring limiting plate, and the spring limiting plate comprises an abutting plate abutted with the winding drum and a spring telescopic rod for connecting the abutting plate with the inner wall of the rotating frame; the rotating frame is fixedly connected with a restraining barrel arranged on the front side of the winding barrel, and the restraining barrel is a conical barrel.
As a further scheme of the invention: the runner assembly include with rotation frame fixed connection's axis of rotation, the axis of rotation runs through the mounting bracket and with the mounting bracket rotates to be connected, the axis of rotation cup joints and is fixed with the worm wheel, the worm wheel meshing has the worm, the worm through the coupling joint have with mounting bracket fixed connection's driving motor's output shaft, driving motor has switch and external power source through the wire series connection in proper order.
As a further scheme of the invention: the liquid injection mechanism comprises spray holes which are arranged on the hemisphere and distributed circumferentially, a communication channel communicated with the spray holes is arranged on the hemisphere, the communication channel is communicated with a first nested pipe nested in the spring brush, the first nested pipe extends into the winding drum and penetrates out of the second rotating shaft, the end part of the first nested pipe is communicated with a second nested pipe through a first rotating joint, the second nested pipe penetrates through the rotating shaft and extends to the outer side of the rotating shaft, and the second nested pipe is communicated with a liquid supply mechanism; the second rotating shaft and the rotating shaft are hollow shafts.
As a further scheme of the invention: the liquid supply mechanism comprises a liquid inlet pipe communicated with the second nested pipe through a second rotary joint, the liquid inlet pipe is communicated with a liquid pumping cylinder, and a first one-way valve for preventing descaling liquid from flowing back to the liquid pumping cylinder is arranged at the communication position of the liquid inlet pipe and the liquid pumping cylinder; the liquid pumping cylinder is communicated with a liquid medicine box through a liquid pumping pipe, and a second one-way valve for preventing descaling liquid from flowing back to the liquid medicine box is arranged at the communication position of the liquid pumping pipe and the liquid pumping cylinder; a piston plate is embedded in the liquid pumping cylinder, the piston plate is fixedly connected with a connecting rod penetrating through the liquid pumping cylinder, and the connecting rod is connected with a power mechanism for driving the connecting rod to transversely reciprocate; power unit include with the joint frame that the connecting rod is connected, joint frame joint has eccentric groove dish, the first connecting axle of eccentric groove dish fixedly connected with, first connecting axle runs through there is the mount pad and rotates with the mount pad to be connected, first connecting axle is connected with through ratchet and runs through the mount pad and rotates the second connecting axle of being connected with the mount pad, the second connecting axle has the worm through drive gear group link.
As a further scheme of the invention: ratchet include with first connecting axle fixed connection's ratchet groove dish, the ratchet groove dish in the nested have with second connecting axle fixed connection's pawl dish, the pawl dish articulates there is the pawl with ratchet groove dish joint, the pawl butt has pawl dish fixed connection's flexure strip.
The cleaning and scraping method for the inner wall of the geothermal pipe comprises the following steps of:
injecting a scale remover into a liquid medicine box, and connecting the liquid medicine box with a power supply of a driving motor;
secondly, disconnecting the heat pipe from the inlet end and the outlet end of the geothermal hanging furnace, and inserting the head scraping mechanism and the spring brush into the geothermal pipe;
starting a switch of a driving motor, driving the worm to rotate by the driving motor, driving the rotating shaft and the rotating frame to rotate by the worm through a worm gear, rolling a rolling gear on a gear ring at the moment, driving a winding drum to rotate by the rolling gear through a first rotating shaft, releasing a spring brush, moving the spring brush in the geothermal pipe under the combined action of a spring limiting plate and a restraining drum, enabling the spring brush and a scraping head mechanism to rotate, enabling a scraping plate to extend outwards under the action of centrifugal force, scraping and brushing the inner wall of the geothermal pipe by bristles of the spring brush; in addition, the worm drives the second connecting shaft to rotate, the second connecting shaft drives the first connecting shaft to rotate through the ratchet mechanism, so that the eccentric groove disc is driven to rotate, the eccentric groove disc drives the piston plate to reciprocate in the liquid pumping cylinder through the clamping frame and the connecting rod, the liquid pumping cylinder conveys descaling liquid to the spray holes of the hemispheroid to be sprayed out, the descaling liquid is matched with the scraper head mechanism and the spring brush to realize efficient scraping and scrubbing of dirt until the spring brush extends out of the outlet end of the geothermal pipe, after cleaning is finished, large-particle dirt is discharged from the outlet end of the geothermal pipe under the action of bristles of the scraper plate and the spring brush, and a container is used for collecting the dirt;
after cleaning is finished, starting a reverse rotation switch of the driving motor, wherein the second connecting shaft cannot drive the first connecting shaft to rotate, the liquid pumping cylinder does not work, meanwhile, the winding assembly rotates and winds the spring brush, and after winding is finished, the switch of the driving motor is closed;
and step five, communicating the tap water pipe with the geothermal pipe, washing out residual dirt inside and finishing the washing.
After adopting the structure, compared with the prior art, the invention has the following advantages: the device is provided with the scraping head mechanism comprising the scraping plate, the spring brush, the winding assembly and the rotating assembly, so that the scraping plate and the spring brush can scrape and wash the inner wall of the geothermal pipe in a rotating manner, the spring brush can be conveniently put in and wound, and in addition, the device is matched with the liquid injection mechanism comprising the spray hole, the nested pipe and the liquid extraction cylinder, so that the filling of descaling liquid is realized, and the descaling and cleaning effects are improved.
Drawings
Fig. 1 is a schematic view of the internal structure of a cleaning and scraping device for the inner wall of a geothermal pipe.
Fig. 2 is a schematic structural diagram of a spring brush and a scraping head mechanism in the cleaning and scraping device for the inner wall of the geothermal pipe.
Fig. 3 is a schematic structural view of a hemisphere of the cleaning and scraping device for the inner wall of the geothermal pipe.
Fig. 4 is a schematic structural view of a cleaning and scraping device and a middle clamping frame for an inner wall of a geothermal pipe.
Fig. 5 is a schematic view showing an assembly structure of a ratchet mechanism and an eccentric groove disc in the inner wall cleaning and scraping device for the geothermal pipe.
Fig. 6 is a schematic view of the internal structure of the ratchet mechanism in the inner wall cleaning and scraping device for the geothermal pipe.
In the figure: 1-a mounting frame; 2-a spring brush; 3-winding the reel; 4-a first rotating shaft; 5-rotating the frame; 6-a rolling gear; 7-a gear ring; 8-fixing the rod; 9-a second rotating shaft; 10-hemispherical head; 11-a scraper; 12-a hinge member; 13-a rotating shaft; 14-a worm gear; 15-a worm; 16-a drive motor; 17-spraying holes; 18-a communication channel; 19-a first nested tube; 20-a first swivel joint; 21-a second nested tube; 22-a second rotary joint; 23-a liquid inlet pipe; 24-a liquid extraction cylinder; 25-a liquid extraction pipe; 26-liquid medicine box; 27-a piston plate; 28-connecting rod; 29-a snap frame; 30-eccentric grooved disk; 31-a first connecting shaft; 32-a mounting seat; 33-a ratchet mechanism; 3301-ratchet grooved disk; 3302-pawl disk; 3303-pawl; 3304-elastic sheet; 34-a second connecting shaft; 35-transmission gear set; 36-a containment drum.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 6, in an embodiment of the present invention, a geothermal pipe inner wall cleaning and scraping device includes a cleaning mechanism for scraping and scrubbing an inner wall of a geothermal pipe and a liquid injection mechanism for injecting a descaling liquid into the geothermal pipe;
the cleaning mechanism comprises a spring brush 2, a head scraping mechanism fixedly connected with the front end of the spring brush 2, a winding assembly used for winding and releasing the spring brush 2, and a rotating assembly driving the winding assembly to rotate so as to enable the spring brush 2 to rotate in the geothermal pipe.
Specifically, release spring brush 2 around rolling up the subassembly for spring brush 2 enters into in the geothermol power intraductal simultaneous rotation subassembly drive and rotates around rolling up the subassembly and make spring brush 2 and scrape first mechanism and rotate, and then rotate the scrubbing to the geothermol power intraductal wall, and the adaptation crooked geothermol power pipe has better clean effect.
In one embodiment of the present invention, the spring brush 2 is a coil spring with bristles adhered to the surface.
In another embodiment of the invention, the head scraping mechanism comprises a hemisphere 10, a semicircular scraper 11 is nested at the front end of the hemisphere 10, and a nesting groove is formed between the hemisphere 10 and the scraper 11; the scraper 11 is hinged to the hemisphere 10 by a hinge 12.
Specifically, when the spring brush 2 rotates, the scraper 11 is subjected to centrifugal force and extends outwards from the nesting groove of the hemisphere 10 to rotate, so that the inner wall of the geothermal pipe is scraped and cleaned, and meanwhile, the scraper 11 is a semicircular plate and is hinged with the hemisphere 10 through the hinge 12, so that the scraper 11 can be accommodated in the hemisphere 10 at the turning position of the geothermal pipe, and the movement of the spring brush 2 in the geothermal pipe is not influenced.
In another embodiment of the present invention, the winding assembly includes a winding drum 3 for winding the spring brush 2, a rotating frame 5 is sleeved outside the winding drum 3, one end of the winding drum 3 is rotatably connected to the rotating frame 5 through a first rotating shaft 4, and the other end of the winding drum 3 is rotatably connected to the rotating frame 5 through a second rotating shaft 9; the first rotating shaft 4 extends to the outer side of the rotating frame 5 and is fixedly connected with a rolling gear 6, and a gear ring 7 fixedly connected with the mounting frame 1 through a fixed rod 8 is meshed with the rolling gear 6; the rotating frame 5 is connected with a rotating assembly for driving the rotating frame 5 to rotate.
Specifically, the rotating assembly drives the rotating frame 5 to rotate, and meanwhile, the rolling gear 6 rolls on the gear ring 7, so that the winding drum 3 is driven to rotate, and the spring brush 2 is wound and released.
In another embodiment of the present invention, in order to make the spring brush 2 tightly wound on the winding drum 3, the winding drum 3 is abutted with a spring limit plate 37, and the spring limit plate 37 comprises an abutting plate abutted with the winding drum 3 and a spring telescopic rod connecting the abutting plate with the inner wall of the rotating frame 5; the rotating frame 5 is fixedly connected with a restraining barrel 36 arranged on the front side of the winding barrel 3, and the restraining barrel 36 is a conical barrel.
In another embodiment of the present invention, the rotating assembly includes a rotating shaft 13 fixedly connected to the rotating frame 5, the rotating shaft 13 penetrates through the mounting frame 1 and is rotatably connected to the mounting frame 1, a worm wheel 14 is fixedly sleeved on the rotating shaft 13, the worm wheel 14 is engaged with a worm 15, the worm 15 is connected to an output shaft of a driving motor 16 fixedly connected to the mounting frame 1 through a coupling, and the driving motor 16 is sequentially connected in series to a switch and an external power source through a wire.
Specifically, the driving motor 16 drives the rotating shaft 13 to rotate through the worm wheel 14 and the worm 15, and the rotating shaft 13 drives the rotating frame 5 to rotate.
In a further embodiment of the invention, the liquid injection mechanism comprises injection holes 17 circumferentially distributed on the hemisphere 10, a communication channel 18 communicated with the injection holes 17 is arranged on the hemisphere 10, the communication channel 18 is communicated with a first nested pipe 19 nested in the spring brush 2, the first nested pipe 19 extends into the winding drum 3 and penetrates out of the second rotating shaft 9, the end of the first nested pipe 19 is communicated with a second nested pipe 21 through a first rotating joint 20, the second nested pipe 21 penetrates through the rotating shaft 13 and extends to the outer side of the rotating shaft 13, and the second nested pipe 21 is communicated with the liquid supply mechanism; the second rotating shaft 9 and the rotating shaft 13 are hollow shafts.
Specifically, the liquid supply mechanism transmits descaling liquid to the communicating channel 18 in the hemispherical body 10 through the second nested pipe 21 and the first nested pipe 19 and sprays out from the spray holes 17 distributed circumferentially, so that the descaling liquid is in full contact with the inner wall of the geothermal pipe, and the scraper 11 and the spring brush 2 are matched to efficiently scrub and scrape dirt in the geothermal pipe.
In a further embodiment of the invention, the liquid supply mechanism comprises a liquid inlet pipe 23 communicated with the second nested pipe 21 through a second rotary joint 22, the liquid inlet pipe 23 is communicated with a liquid pumping cylinder 24, and a first one-way valve for preventing descaling liquid from flowing back to the liquid pumping cylinder 24 is arranged at the communication position of the liquid inlet pipe 23 and the liquid pumping cylinder 24; the liquid pumping cylinder 24 is communicated with a liquid medicine box 26 through a liquid pumping pipe 25, and a second one-way valve for preventing descaling liquid from flowing back to the liquid medicine box 26 is arranged at the communication position of the liquid pumping pipe 25 and the liquid pumping cylinder 24; a piston plate 27 is embedded in the liquid pumping cylinder 24, the piston plate 27 is fixedly connected with a connecting rod 28 penetrating through the liquid pumping cylinder 24, and the connecting rod 28 is connected with a power mechanism for driving the connecting rod 28 to transversely reciprocate.
Specifically, the power mechanism drives the piston plate 27 to reciprocate in the liquid pumping cylinder 24, so that the liquid pumping cylinder 24 pumps the descaling liquid in the chemical liquid tank 26 into the second nested pipe 21 and finally conveys the descaling liquid to the spray holes 17 for spraying.
In another embodiment of the present invention, the power mechanism includes a clamping frame 29 connected to the connecting rod 28, the clamping frame 29 is clamped with an eccentric groove disc 30, the eccentric groove disc 30 is fixedly connected with a first connecting shaft 31, the first connecting shaft 31 penetrates through a mounting seat 32 and is rotatably connected to the mounting seat 32, the first connecting shaft 31 is connected to a second connecting shaft 34 penetrating through the mounting seat 32 and is rotatably connected to the mounting seat 32 through a ratchet mechanism 33, and the second connecting shaft 34 is connected to the worm 15 through a transmission gear set 35.
The ratchet mechanism 33 comprises a ratchet groove disc 3301 fixedly connected with the first connecting shaft 31, a pawl disc 3302 fixedly connected with the second connecting shaft 34 is nested in the ratchet groove disc 3301, the pawl disc 3302 is hinged with a pawl 3303 clamped with the ratchet groove disc 3301, and the pawl 3303 abuts against an elastic sheet fixedly connected with the pawl disc 3302.
Specifically, ratchet makes first connecting axle 31 and the one-way transmission of second connecting axle 32, in this application, only when spring brush 2 when release enter into the geothermol power intraductal and go forward the removal, second connecting axle 32 just can drive first connecting axle 31 and rotate, realizes power unit's drive, and then realizes the injection of descaling liquid, and is corresponding, when carrying out the rolling of spring brush 2, second connecting axle 34 can not drive first connecting axle 31 and rotate, does not carry out the injection of descaling liquid.
The cleaning and scraping method for the inner wall of the geothermal pipe comprises the following steps of:
firstly, injecting a scale remover into the liquid medicine box 26 and connecting the liquid medicine box with a power supply of the driving motor 6;
secondly, disconnecting the heat pipe from the inlet end and the outlet end of the geothermal hanging furnace, and inserting the head scraping mechanism and the spring brush 2 into the geothermal pipe;
step three, starting a switch of a driving motor 16, driving the worm 15 to rotate by the driving motor 16, driving the rotating shaft 13 and the rotating frame 5 to rotate by the worm 15 through a worm wheel 14, at the moment, rolling gears 6 roll on a gear ring 7, driving winding drums 3 to rotate by the rolling gears 6 through first rotating shafts 4, releasing spring brushes 2, moving the spring brushes 2 in the geothermal pipe under the combined action of a spring limiting plate 37 and a restraining drum 36, enabling the spring brushes 2 and a head scraping mechanism to rotate, enabling the scraping plates 11 to extend outwards under the action of centrifugal force, scraping the inner wall of the geothermal pipe, and brushing the inner wall of the geothermal pipe by bristles of the spring brushes 2; in addition, the worm 15 drives the second connecting shaft 34 to rotate, the second connecting shaft 34 drives the first connecting shaft 31 to rotate through a ratchet mechanism, and further drives the eccentric groove disc 30 to rotate, the eccentric groove disc 30 drives the piston plate 27 to reciprocate in the liquid pumping cylinder 24 through the clamping frame 29 and the connecting rod 28, the liquid pumping cylinder 24 conveys descaling liquid to the spray holes 17 of the hemispheroid 10 to spray, the descaling liquid is matched with the head scraping mechanism and the spring brush 2 to realize efficient scraping and scrubbing of dirt until the spring brush 2 extends out of the outlet end of the geothermal pipe, after cleaning, large-particle dirt is discharged from the outlet end of the geothermal pipe under the action of the bristles of the scraping plate 11 and the spring brush 2, and a container is used for receiving the dirt;
step four, after the cleaning is finished, starting a reverse rotation switch of the driving motor 16, at the moment, the second connecting shaft 34 cannot drive the first connecting shaft 31 to rotate, the liquid suction cylinder 24 does not work, meanwhile, the winding assembly rotates and winds the spring brush 2, and after the winding is finished, the switch of the driving motor 16 is closed;
and step five, communicating the tap water pipe with the geothermal pipe, washing out residual dirt inside and finishing the washing.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and its specific structure allows variations. But all changes which come within the scope of the invention are intended to be embraced therein.
Claims (9)
1. A cleaning and scraping device for the inner wall of a geothermal pipe is characterized by comprising a cleaning mechanism for scraping and scrubbing the inner wall of the geothermal pipe and a liquid injection mechanism for injecting descaling liquid into the geothermal pipe;
the cleaning mechanism comprises a spring brush (2), a head scraping mechanism fixedly connected with the front end of the spring brush (2), a winding assembly used for winding and releasing the spring brush (2), and a rotating assembly driving the winding assembly to rotate so as to enable the spring brush (2) to rotate in the geothermal pipe;
the head scraping mechanism comprises a hemisphere (10), a semicircular scraper (11) is nested at the front end of the hemisphere (10), and a nesting groove is formed between the hemisphere (10) and the scraper (11) in a matched mode; the scraper (11) is hinged with the hemisphere (10) through a hinge (12).
2. The cleaning and scraping device for the inner wall of the geothermal pipe as claimed in claim 1, wherein the spring brush (2) is a spiral spring with bristles adhered to the surface.
3. The cleaning and scraping device for the inner wall of the geothermal pipe according to claim 1, wherein the winding assembly comprises a winding drum (3) for winding the spring brush (2), a rotating frame (5) is sleeved outside the winding drum (3), one end of the winding drum (3) is rotatably connected with the rotating frame (5) through a first rotating shaft (4), and the other end of the winding drum (3) is rotatably connected with the rotating frame (5) through a second rotating shaft (9); the first rotating shaft (4) extends to the outer side of the rotating frame (5) and is fixedly connected with a rolling gear (6), and a gear ring (7) fixedly connected with the mounting frame (1) through a fixed rod (8) is meshed with the rolling gear (6); the rotating frame (5) is connected with a rotating assembly for driving the rotating frame (5) to rotate.
4. The cleaning and scraping device for the inner wall of the geothermal pipe as defined in claim 3, wherein the winding drum (3) is abutted with a spring limiting plate (37), and the spring limiting plate (37) comprises an abutting plate abutted with the winding drum (3) and a spring telescopic rod connecting the abutting plate with the inner wall of the rotating frame (5); the rotating frame (5) is fixedly connected with a restraining barrel (36) arranged on the front side of the winding barrel (3), and the restraining barrel (36) is a conical barrel.
5. The geothermal pipe inner wall cleaning and scraping device as defined in claim 4, wherein the rotating assembly comprises a rotating shaft (13) fixedly connected with a rotating frame (5), the rotating shaft (13) penetrates through the mounting frame (1) and is rotatably connected with the mounting frame (1), the rotating shaft (13) is fixedly sleeved with a worm wheel (14), the worm wheel (14) is meshed with a worm (15), the worm (15) is connected with an output shaft of a driving motor (16) fixedly connected with the mounting frame (1) through a coupling, and the driving motor (16) is sequentially connected with a switch and an external power supply in series through a wire.
6. The cleaning and scraping device for the inner wall of the geothermal pipe according to claim 5, wherein the liquid injection mechanism comprises spray holes (17) circumferentially distributed on the hemisphere (10), a communication channel (18) communicated with the spray holes (17) is arranged on the hemisphere (10), the communication channel (18) is communicated with a first nested pipe (19) nested in the spring brush (2), the first nested pipe (19) extends into the winding drum (3) and penetrates out of the second rotating shaft (9), the end of the first nested pipe (19) is communicated with a second nested pipe (21) through a first rotating joint (20), the second nested pipe (21) penetrates through the rotating shaft (13) and extends to the outer side of the rotating shaft (13), and the second nested pipe (21) is communicated with the liquid supply mechanism; the second rotating shaft (9) and the rotating shaft (13) are hollow shafts.
7. The cleaning and scraping device for the inner wall of the geothermal pipe as defined in claim 6, wherein the liquid supply mechanism comprises a liquid inlet pipe (23) communicated with the second nested pipe (21) through a second rotary joint (22), the liquid inlet pipe (23) is communicated with a liquid pumping cylinder (24) and is provided with a first one-way valve for preventing descaling liquid from flowing back to the liquid pumping cylinder (24) at the communication position of the liquid inlet pipe and the liquid pumping cylinder; the liquid extracting cylinder (24) is communicated with a liquid medicine box (26) through a liquid extracting pipe (25), and a second one-way valve for preventing descaling liquid from flowing back to the liquid medicine box (26) is arranged at the communication position of the liquid extracting pipe (25) and the liquid extracting cylinder (24); a piston plate (27) is nested in the liquid pumping cylinder (24), the piston plate (27) is fixedly connected with a connecting rod (28) penetrating through the liquid pumping cylinder (24), and the connecting rod (28) is connected with a power mechanism for driving the connecting rod (28) to transversely reciprocate; power unit include with joint frame (29) that connecting rod (28) are connected, joint frame (29) joint has eccentric groove dish (30), the first connecting axle (31) of eccentric groove dish (30) fixedly connected with, first connecting axle (31) run through mount pad (32) and rotate with mount pad (32) and be connected, first connecting axle (31) are connected with through ratchet (33) and run through mount pad (32) and rotate second connecting axle (34) of being connected with mount pad (32), second connecting axle (34) are connected with worm (15) through drive gear group (35).
8. The cleaning and scraping device for the inner wall of the geothermal pipe as claimed in claim 7, wherein the ratchet mechanism (33) comprises a ratchet groove disc (3301) fixedly connected with the first connecting shaft (31), a pawl disc (3302) fixedly connected with the second connecting shaft (34) is nested in the ratchet groove disc (3301), the pawl disc (3302) is hinged with a pawl (3303) clamped with the ratchet groove disc (3301), and the pawl (3303) abuts against an elastic sheet fixedly connected with the pawl disc (3302).
9. A cleaning and scraping method for an inner wall of a geothermal pipe, which is characterized by using the cleaning and scraping device for the inner wall of the geothermal pipe as defined in claim 7, comprising the following steps:
firstly, injecting a descaling agent into a liquid medicine box (26) and connecting a power supply of a driving motor (6);
secondly, disconnecting the heat pipe from the inlet end and the outlet end of the geothermal hanging furnace, and inserting the head scraping mechanism and the spring brush (2) into the geothermal pipe;
step three, starting a switch of a driving motor (16), driving the worm (15) to rotate by the driving motor (16), driving a rotating shaft (13) and a rotating frame (5) to rotate by the worm (15) through a worm wheel (14), at the moment, rolling gears (6) roll on a gear ring (7), driving winding drums (3) to rotate by the rolling gears (6) through first rotating shafts (4), releasing spring brushes (2), moving the spring brushes (2) in the geothermal pipe under the combined action of a spring limiting plate (37) and a restraining drum (36), enabling the spring brushes (2) and a head scraping mechanism to rotate, enabling scraping plates (11) to extend outwards under the action of centrifugal force, scraping the inner wall of the geothermal pipe, and brushing the inner wall of the geothermal pipe by bristles of the spring brushes (2); in addition, the worm (15) drives the second connecting shaft (34) to rotate, the second connecting shaft (34) drives the first connecting shaft (31) to rotate through a ratchet mechanism, and then drives the eccentric groove disc (30) to rotate, the eccentric groove disc (30) drives the piston plate (27) to reciprocate in the liquid pumping cylinder (24) through the clamping frame (29) and the connecting rod (28), the liquid pumping cylinder (24) conveys descaling liquid to the spray holes (17) of the hemispheroid (10) to spray, the descaling liquid is matched with the scraping head mechanism and the spring brush (2) to realize efficient scraping and brushing of dirt until the spring brush (2) extends out of the outlet end of the geothermal pipe, and after cleaning, large dirt particles are discharged from the outlet end of the geothermal pipe under the action of bristles of the scraping plate (11) and the spring brush (2), and a container is used for catching the dirt;
after cleaning is finished, starting a reverse rotation switch of the driving motor (16), at the moment, the second connecting shaft (34) cannot drive the first connecting shaft (31) to rotate, the liquid pumping cylinder (24) does not work, meanwhile, the winding assembly rotates and winds the spring brush (2), and after winding is finished, closing the switch of the driving motor (16);
and step five, communicating the tap water pipe with the geothermal pipe, washing out residual dirt inside and finishing the washing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198875.9A CN112284184B (en) | 2020-10-31 | 2020-10-31 | Cleaning and scraping device and method for inner wall of geothermal pipe |
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| CN202011198875.9A CN112284184B (en) | 2020-10-31 | 2020-10-31 | Cleaning and scraping device and method for inner wall of geothermal pipe |
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| CN112284184A CN112284184A (en) | 2021-01-29 |
| CN112284184B true CN112284184B (en) | 2022-08-09 |
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| DE10357021A1 (en) * | 2003-12-05 | 2005-07-07 | Clyde Bergemann Gmbh | Compact sootblower |
| ITBS20060224A1 (en) * | 2006-12-21 | 2008-06-22 | Turboden Srl | THERMAL EXCHANGER WITH INTEGRATED CLEANING AND DIAGNOSTIC SYSTEM |
| CN101813438B (en) * | 2009-02-20 | 2012-02-15 | 北京华夏英蓝科技发展有限公司 | Self-cleaning enhanced heat transfer device by turbulent flow of axially reciprocating rotors |
| US10179352B2 (en) * | 2014-10-14 | 2019-01-15 | Crossford International, Llc | Pivoting tube brush |
| US10024612B2 (en) * | 2014-10-24 | 2018-07-17 | King Fahd University Of Petroleum And Minerals | Cleaning system for tube and shell heat exchanger |
| EP3362195B1 (en) * | 2015-10-12 | 2020-12-09 | Stoneage, Inc. | Flexible lance drive apparatus with autostroke function |
| CN110986655A (en) * | 2019-12-16 | 2020-04-10 | 江苏上龙供水设备有限公司 | Special online deicing and descaling device for heat exchanger |
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