CN116607896A - Well flushing device for water source heat pump - Google Patents
Well flushing device for water source heat pump Download PDFInfo
- Publication number
- CN116607896A CN116607896A CN202310890324.6A CN202310890324A CN116607896A CN 116607896 A CN116607896 A CN 116607896A CN 202310890324 A CN202310890324 A CN 202310890324A CN 116607896 A CN116607896 A CN 116607896A
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- Prior art keywords
- water
- well
- pumping pipeline
- sleeve
- water pumping
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 336
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 30
- 238000005086 pumping Methods 0.000 claims abstract description 112
- 238000005507 spraying Methods 0.000 claims abstract description 75
- 238000004140 cleaning Methods 0.000 claims abstract description 73
- 238000001914 filtration Methods 0.000 claims abstract description 54
- 239000007921 spray Substances 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims description 21
- 238000001179 sorption measurement Methods 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000011001 backwashing Methods 0.000 description 9
- 239000004576 sand Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/002—Down-hole drilling fluid separation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/08—Methods or apparatus for cleaning boreholes or wells cleaning in situ of down-hole filters, screens, e.g. casing perforations, or gravel packs
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application discloses a well flushing device for a water source heat pump, which comprises a submersible pump, a water pumping pipeline, a spraying and cleaning assembly, a first filtering assembly, a second filtering assembly, a rotating part and a vibration assembly, wherein the water pumping pipeline is connected with the water source heat pump; the spray cleaning assembly comprises a sleeve, a main spray pipe, a first branch spray pipe, a second branch spray pipe and a third branch spray pipe; the sleeve is internally provided with an annular cavity and an annular opening; the water pumping pipeline is provided with a plurality of water outlets; the first filter assembly comprises a rotary supporting block and two arc-shaped filter plates; the rotary supporting block is fixedly connected with the sleeve; the second filter assembly comprises a collection filter cartridge and an annular air bag; the vibration assembly comprises a lower supporting ring, an upper supporting ring, an elastic piece, a plurality of Z-shaped rods, a plurality of connecting beams and a plurality of L-shaped connecting pieces, wherein the L-shaped connecting pieces comprise vertical rods and triangular blocks. The application realizes the cyclic utilization of water resources, reduces the waste of water resources, reduces the possibility of pump damage, does not depend on workers too much, reduces the labor intensity of the workers and improves the well flushing efficiency.
Description
Technical Field
The application relates to the technical field of well flushing, in particular to a well flushing device for a water source heat pump.
Background
The water source heat pump air conditioning system is a high-efficiency energy-saving system which can supply heat and refrigerate by utilizing underground shallow geothermal resources (including underground water, soil or surface water and the like)Air conditionerThe system. The water source heat pump realizes the transfer of low-temperature heat energy to high-temperature energy by inputting a small amount of high-grade energy (such as electric energy). The geothermal energy is used as a heat source for heating by a heat pump in winter and a cold source for an air conditioner in summer respectively, namely, the heat in the geothermal energy is taken out in winter, and after the temperature is increased, the geothermal energy is supplied for indoor heating; in summer, the heat in the room is taken out and released into the earth. Typically, a water source heat pump consumes 1kW of energy, and a user can obtain more than 4kW of heat or cold.
The problem frequently occurring when a water source heat pump system is utilized in the prior art is that the sand content of a pumping well exceeds standard or excessive water intake causes the sand content to exceed standard, so that sand in the pumping well is filled into a recharging well to form sand plugs; after the recharging well is completed, no further well washing is performed, and the mud remained on the well wall forms blockage on the recharging permeation path; therefore, further well flushing treatment is needed to be carried out on the pumping well and the recharging well in the water source heat pump system, however, in the prior art, the flushing is generally carried out on the inner wall of the well from top to bottom through a pump, sundries on the inner wall of the well are flushed to the bottom of the well, and then the water and the sundries at the bottom of the well are pumped out in a centralized manner.
Disclosure of Invention
The application solves the technical problems that the pump is easy to damage, the water resource cannot be recycled, the water resource is seriously wasted, the overall well flushing mode is low in efficiency, the labor intensity of workers is increased, the water resource can be recycled, the waste of the water resource is reduced, the possibility of pump damage is reduced, the labor intensity of workers is reduced, and the well flushing efficiency is improved by providing the well flushing device for the water source heat pump in the prior art.
In a first aspect, the application provides a well flushing device for a water source heat pump, comprising a submersible pump, a water pumping pipeline, a spray cleaning assembly, a first filtering assembly, a second filtering assembly, a rotating part and a vibration assembly; the submersible pump is arranged at the bottom of the well, the water pumping pipeline is vertically arranged at the axis of the well, and the output end of the submersible pump is communicated with the bottom end of the water pumping pipeline; the spraying and cleaning assembly comprises a sleeve, a main water spray pipe, a first water distribution pipe, a second water distribution pipe and a third water distribution pipe; the output ends of the main water spray pipe are respectively communicated with the input ends of the first water distribution pipe, the second water distribution pipe and the third water distribution pipe, the first water distribution pipe, the second water distribution pipe and the third water distribution pipe are arranged from top to bottom, and the output ends of the first water distribution pipe, the second water distribution pipe and the third water distribution pipe are all obliquely upwards arranged; the sleeve is sleeved on the outer side of the water pumping pipeline and is in sliding connection with the outer side of the water pumping pipeline, and can be lifted in the well along the outer side of the water pumping pipeline; an annular cavity is formed in the sleeve, an annular opening is formed in the annular cavity, close to the inner side of the water pumping pipeline, in the radial direction, and the main water spraying pipe is arranged on the outer side of the sleeve in the radial direction of the sleeve and is communicated with the annular cavity; the water pumping pipeline is provided with a plurality of water outlet holes at intervals along the length direction of the water pumping pipeline, each water outlet hole is internally provided with an electric control valve, and the annular port can be respectively in butt joint with the water outlet holes; the first filtering component comprises a rotary supporting block and two arc-shaped filtering plates which are arranged up and down correspondingly; the two arc-shaped filter plates are obliquely upwards arranged and respectively surround the first water distribution pipe and the second water distribution pipe in a semi-surrounding manner, and the end part, close to the sleeve, of the upper arc-shaped filter plate is fixedly connected with the rotating support block; the rotary supporting block is sleeved on the outer side of the water pumping pipeline and is in sliding connection with the water pumping pipeline, and can rotate around the outer side of the water pumping pipeline; the bottom surface of the rotary supporting block is fixedly connected with the top end of the sleeve; the top surface of the rotating support block is connected with the output end of the rotating part and can rotate under the drive of the rotating part; the second filtering assembly comprises a collecting filter cartridge and an annular air bag, the collecting filter cartridge is positioned below the sleeve, the annular air bag is fixedly connected to the outer side of the collecting filter cartridge, and the water pumping pipeline penetrates through the collecting filter cartridge and is in sliding connection with the bottom of the collecting filter cartridge; the vibration assembly comprises a lower supporting ring, an upper supporting ring, an elastic piece, a plurality of Z-shaped rods, a plurality of connecting beams and a plurality of L-shaped connecting pieces, wherein the L-shaped connecting pieces comprise vertical rods and triangular blocks; the lower support ring and the upper support ring are respectively sleeved on the outer side of the water pumping pipeline and are in sliding connection with the outer side of the water pumping pipeline, and two ends of the connecting beam are respectively fixedly connected with the outer side of the lower support ring and the inner side of the collecting filter cylinder; the elastic piece is sleeved outside the water pumping pipeline, and two ends of the elastic piece are respectively abutted with the lower supporting ring and the upper supporting ring; the bottom end of the vertical rod is fixedly connected to the top surface of the connecting beam, and the triangular block is fixedly connected to the side surface of the top end of the vertical rod; the top end of the Z-shaped rod is fixedly connected to the outer side of the bottom end of the sleeve, and the bottom end of the Z-shaped rod can form extrusion with the inclined surface of the triangular block in the rotating process; the bottom of sleeve overlap joint in the top surface of last support ring.
With reference to the first aspect, in a possible implementation manner, the rotating portion includes an electromagnetic adsorption sleeve, a motor, a first meshing gear and a second meshing gear; the electromagnetic adsorption sleeve is sleeved on the outer side of the water pumping pipeline and can be adsorbed on the outer side of the water pumping pipeline after being electrified; the machine body of the motor is fixedly connected to the outer side of the electromagnetic adsorption sleeve, and the output end of the motor is fixedly connected with the first meshing gear; the second meshing gear is sleeved outside the water pumping pipeline and fixedly connected with the top surface of the rotating support block, and the teeth of the first meshing gear and the teeth of the second meshing gear are in meshing connection.
With reference to the first aspect, in a possible implementation manner, a height of the annular opening is greater than an inner diameter of the water outlet hole.
With reference to the first aspect, in a possible implementation manner, the second water distribution pipe and the third water distribution pipe are respectively provided with a plurality of first backwashing heads and a plurality of second backwashing heads at intervals along the length direction of the second water distribution pipe and the third water distribution pipe; the top end of the third water distribution pipe is a closed end.
With reference to the first aspect, in a possible implementation manner, the well washing device for the water source heat pump further comprises a steel cable, wherein one end of the steel cable is fixedly connected to the top end of the collecting and filtering cylinder.
With reference to the first aspect, in one possible implementation manner, a gas transmission line is connected to the top end of the annular air bag, and the annular air bag can be inflated and deflated through the gas transmission line.
With reference to the first aspect, in one possible implementation manner, a plurality of fixing rods are fixedly connected between two arc-shaped filter plates.
With reference to the first aspect, in a possible implementation manner, a scraper is detachably connected to an end of the arc-shaped filter plate facing away from the sleeve, and the scraper is in contact with the inner wall of the well.
In a second aspect, the application provides a well cleanup method comprising: the submersible pump and the water pumping pipeline are integrally lowered into a well, and the top end of the water pumping pipeline is fixed at the position of a wellhead; the whole device is hung downwards, and the spraying and cleaning assembly, the first filtering assembly, the second filtering assembly, the rotating part and the vibrating assembly are integrally sleeved on the outer side of the water pumping pipeline, so that the spraying and cleaning assembly and the first filtering assembly reach the first section of height position of a well to be cleaned, and meanwhile, an annular opening in the sleeve is in butt joint with a first water outlet hole at the top of the water pumping pipeline; controlling the annular air bag to expand, and supporting the whole collecting filter cylinder on the inner wall of the well, so that the sleeve is supported by the lower supporting ring, the elastic piece and the upper supporting ring; the rotating part is controlled to reach a proper height position, and the output end of the rotating part is connected with the top surface of the rotating support block; then starting the submersible pump to work, pumping water at the bottom of the well upwards into the water pumping pipeline, opening an electric control valve in a water outlet hole at the top of the water pumping pipeline, enabling the water in the water pumping pipeline to enter the annular cavity through the water outlet hole, then outputting from the annular cavity and entering the main water spraying pipe, sequentially reaching the first water spraying pipe, the second water spraying pipe and the third water spraying pipe after passing through the output end of the main water spraying pipe, enabling the water to be sprayed to the well wall through the first water spraying pipe and the second water spraying pipe, simultaneously starting the rotating part to rotate, further driving the rotating support block and the sleeve to synchronously rotate, and enabling the first water spraying pipe, the second water spraying pipe, the third water spraying pipe and the two arc-shaped filter plates to synchronously rotate, so that the cleaning work on the first section of the well to be cleaned can be realized after one circle of rotation; the sundries on the well wall are washed off by the water sprayed by the first water distributing pipe and the second water distributing pipe and then fall onto the two arc-shaped filter plates, and part of sundries can slide into the collecting filter cylinder through gravity by the inclined arrangement of the arc-shaped filter plates; in the process of sleeve rotation, a Z-shaped rod at the bottom end of the sleeve synchronously rotates, and after the bottom end of the Z-shaped rod contacts a triangular block at the top end of the vertical plate, the Z-shaped rod slides along the inclined plane of the triangular block and is gradually extruded by the inclined plane of the triangular block, so that the Z-shaped rod gradually moves downwards and drives the spraying and cleaning assembly and the first filtering assembly to integrally move downwards, meanwhile, an elastic piece is downwards extruded through an upper supporting ring, after the Z-shaped rod continuously rotates and leaves the triangular block, the spraying and cleaning assembly and the first filtering assembly move upwards again through the upward acting force of the elastic piece on the upper supporting ring, and therefore, in the process of rotating and spraying and cleaning of the spraying and cleaning assembly and the first filtering assembly, the two arc-shaped filtering plates can simultaneously vibrate in the up-down direction, and residual sundries falling onto the two arc-shaped filtering plates can smoothly slide into a collecting and filtering barrel through vibration, and automatic cleaning of sundries on the arc-shaped filtering plates is realized; after the cleaning of the first section of the well is completed, controlling the annular air bag to shrink, continuing to hoist the whole device downwards, enabling the spraying cleaning assembly and the first filtering assembly to reach the second section of the well to be cleaned, enabling the annular opening in the sleeve to be in butt joint with a second water outlet hole at the top of the water pumping pipeline, controlling the annular air bag to expand, inwards supporting the collecting filter cylinder on the inner wall of the well again, and enabling the sleeve to be supported again through the lower supporting ring, the elastic piece and the upper supporting ring; and then continuing to start the submersible pump to work, opening an electric control valve in a second water outlet hole at the top of the water pumping pipeline, closing the electric control valve in a first water outlet hole at the top of the water pumping pipeline, enabling water to be finally sprayed at the second section height position of the well to be washed through a spraying and washing assembly, wherein the washing work of the second section height position of the well to be washed is identical to the washing work of the first section height position, and after the washing work of the second section height position of the well to be washed is completed, carrying out the washing work of the third section height position of the well according to the same steps until the inner wall of the well is completely washed.
One or more technical schemes provided by the application have at least the following technical effects or advantages:
the application adopts a submersible pump, a water pumping pipeline, a spray cleaning assembly, a first filtering assembly, a second filtering assembly, a rotating part and a vibration assembly; the device comprises a spraying and cleaning assembly, a water pump and a water pump, wherein the spraying and cleaning assembly comprises a sleeve, a main water spray pipe, a first water spray pipe, a second water spray pipe and a third water spray pipe;
before cleaning, the whole device is required to be lifted downwards, when the spraying cleaning assembly and the first filtering assembly reach the first section of height position of a well to be cleaned, an annular opening in the sleeve is in butt joint with a first water outlet hole at the top of a water pumping pipeline, then the annular air bag is controlled to expand, the whole collecting filter barrel is supported on the inner wall of the well, the sleeve is supported by a lower supporting ring, an elastic piece and an upper supporting ring, and then the sleeve can support a main water spraying pipe, a first water distributing and spraying pipe, a second water distributing and spraying pipe and a third water distributing and spraying pipe, and two arc-shaped filter plates can be supported by a rotating supporting block;
Then starting the submersible pump to work, pumping water at the bottom of the well upwards into the water pumping pipeline, opening an electric control valve in a water outlet hole at the top of the water pumping pipeline, enabling the water in the water pumping pipeline to enter the annular cavity through the water outlet hole, then outputting from the annular cavity and entering the main water spraying pipe, sequentially reaching the first water spraying pipe, the second water spraying pipe and the third water spraying pipe after passing through the output end of the main water spraying pipe, spraying the water to the well wall through the first water spraying pipe and the second water spraying pipe, simultaneously starting the rotating part to rotate, further driving the rotating support block to rotate and the sleeve to synchronously rotate, and enabling the first water spraying pipe, the second water spraying pipe, the third water spraying pipe and the two arc-shaped filter plates to synchronously rotate, so that the cleaning work on the first section of the well to be cleaned can be realized after one circle of rotation; the sundries on the well wall can be dropped onto the two arc-shaped filter plates after the sundries on the well wall are washed out by the water sprayed out of the first water distributing pipe and the second water distributing pipe, and part of sundries can slide into the collecting filter cylinder through the inclined arrangement of the arc-shaped filter plates, so that the sundries on the arc-shaped filter plates can be automatically cleaned;
The vibration assembly comprises a lower supporting ring, an upper supporting ring, an elastic piece, a plurality of Z-shaped rods, a plurality of connecting beams and a plurality of L-shaped connecting pieces, wherein the L-shaped connecting pieces comprise vertical rods and triangular blocks; in the process of sleeve rotation, a Z-shaped rod at the bottom end of the sleeve synchronously rotates, and after the bottom end of the Z-shaped rod contacts a triangular block at the top end of the vertical plate, the Z-shaped rod slides along the inclined plane of the triangular block and is gradually extruded by the inclined plane of the triangular block, so that the Z-shaped rod gradually moves downwards and drives the spraying and cleaning assembly and the first filtering assembly to integrally move downwards, meanwhile, an elastic piece is downwards extruded through an upper supporting ring, after the Z-shaped rod continuously rotates and leaves the triangular block, the spraying and cleaning assembly and the first filtering assembly move upwards again through the upward acting force of the elastic piece on the upper supporting ring, and therefore, in the process of rotating and spraying and cleaning of the spraying and cleaning assembly and the first filtering assembly, the two arc-shaped filtering plates can simultaneously vibrate in the up-down direction, and residual sundries falling onto the two arc-shaped filtering plates can smoothly slide into a collecting and filtering barrel through vibration, and automatic cleaning of sundries on the arc-shaped filtering plates is realized;
Through spraying cleaning assembly, first filter component, second filter component that set up, can carry out top-down's sectional type cleaning operation to the well inner wall, moreover, the hydroenergy reuse of shaft bottom, the hydroenergy that the immersible pump was taken out is the water after the filtration of arc filter and collection cartridge filter all the time, can not have great debris, thereby reduce the damage possibility of immersible pump, after wasing a period of time, can wholly hoist out the well head with whole device, thereby can clear up debris that collects in the collection cartridge filter, continue to place whole device in the well and continue to wash the work after clearing up debris, whole well washing in-process, the workman is mainly to the debris in the collection cartridge filter the work of regularly clearing up, greatly reduced workman's intensity of labour;
the problems that in the prior art, the pump is easy to damage during well flushing, water resources cannot be recycled, serious waste of the water resources is caused, the overall well flushing mode is low in efficiency, the labor intensity of workers is increased are effectively solved, the water resources can be recycled, the possibility of pump damage is reduced, the labor intensity of workers is reduced, and the well flushing efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments of the present application or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a well flushing device for a water source heat pump according to an embodiment of the present application;
FIG. 2 is an isometric view of a well-flushing device for a water source heat pump according to an embodiment of the present application with a rotating portion removed;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2;
FIG. 4 is a top view of a well flushing device for a water source heat pump according to an embodiment of the present application with a rotating portion removed;
FIG. 5 is a cross-sectional view taken along the direction B-B in FIG. 4;
FIG. 6 is an enlarged view of a portion of region C of FIG. 5;
fig. 7 is a front view of the rotary part, the water pumping pipeline, the rotary support block and the sleeve according to the embodiment of the application.
Reference numerals: 1-a submersible pump; 2-a water pumping pipeline; 21-a water outlet hole; 3-a spray cleaning assembly; 31-sleeve; 311-annular cavity; 312-annular mouth; 32-a main water spray pipe; 33-a first distribution pipe; 34-a second distribution pipe; 341-a first backwash; 35-a third water distribution pipe; 351-second backwash; 4-a first filter assembly; 41-rotating the support block; 42-arc-shaped filter plates; 421-fixing rod; 5-a second filter assembly; 51-collecting filter cartridge; 52-an annular balloon; 6-a rotating part; 61-electromagnetic adsorption sleeve; 62-an electric motor; 63-a first meshing gear; 64-a second meshing gear; 7-a vibration assembly; 71-a lower support ring; 72-upper support ring; 73-an elastic member; 74-zig-zag bar; 75-connecting beams; 76-L shaped connector; 761-a vertical rod; 762-triangle blocks; 8-well.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1 to 6, a well flushing device for a water source heat pump according to an embodiment of the present application includes a submersible pump 1, a water pumping pipeline 2, a spray cleaning assembly 3, a first filter assembly 4, a second filter assembly 5, a rotating portion 6, and a vibration assembly 7; the submersible pump 1 is arranged at the bottom of the well 8, the water pumping pipeline 2 is vertically arranged at the axis of the well 8, and the output end of the submersible pump 1 is communicated with the bottom end of the water pumping pipeline 2; the spray cleaning assembly 3 comprises a sleeve 31, a main spray pipe 32, a first distribution spray pipe 33, a second distribution spray pipe 34 and a third distribution spray pipe 35; the output ends of the main water spray pipe 32 are respectively communicated with the input ends of the first water distribution pipe 33, the second water distribution pipe 34 and the third water distribution pipe 35, the first water distribution pipe 33, the second water distribution pipe 34 and the third water distribution pipe 35 are arranged from top to bottom, and the output ends of the first water distribution pipe 33, the second water distribution pipe 34 and the third water distribution pipe 35 are all obliquely upwards arranged; the sleeve 31 is sleeved on the outer side of the water pumping pipeline 2 and is connected with the outer side of the water pumping pipeline 2 in a sliding manner, and can be lifted and lowered in the well 8 along the outer side of the water pumping pipeline 2; the inside of the sleeve 31 is provided with an annular cavity 311, the inner side of the annular cavity 311, which is close to the water pumping pipeline 2, is provided with an annular port 312 along the radial direction, and the main water spraying pipe 32 is arranged on the outer side of the sleeve 31 along the radial direction of the sleeve 31 and is communicated with the annular cavity 311; the water suction pipeline 2 is provided with a plurality of water outlet holes 21 at intervals along the length direction of the water suction pipeline, each water outlet hole 21 is internally provided with an electric control valve, and the annular opening 312 can be respectively in butt joint with the plurality of water outlet holes 21; the first filter assembly 4 comprises a rotary supporting block 41 and two arc-shaped filter plates 42 which are arranged up and down correspondingly; the two arc-shaped filter plates 42 are obliquely upwards arranged and respectively surround the first water distribution pipe 33 and the second water distribution pipe 34 in a semi-surrounding manner, and the end part, close to the sleeve 31, of the upper arc-shaped filter plate 42 is fixedly connected with the rotary supporting block 41; the rotary supporting block 41 is sleeved on the outer side of the water pumping pipeline 2 and is in sliding connection with the water pumping pipeline 2, and can rotate around the outer side of the water pumping pipeline 2; the bottom surface of the rotary supporting block 41 is fixedly connected with the top end of the sleeve 31; the top surface of the rotation support block 41 is connected with the output end of the rotation part 6 and can rotate under the drive of the rotation part 6; the second filter assembly 5 comprises a collecting filter cartridge 51 and an annular air bag 52, the collecting filter cartridge 51 is positioned below the sleeve 31, the annular air bag 52 is fixedly connected to the outer side of the collecting filter cartridge 51, and the water pumping pipeline 2 penetrates through the collecting filter cartridge 51 and is in sliding connection with the bottom of the collecting filter cartridge 51; the vibration assembly 7 includes a lower support ring 71, an upper support ring 72, an elastic member 73, a plurality of zigzag bars 74, a plurality of connection beams 75, and a plurality of L-shaped connection members 76, the L-shaped connection members 76 including a vertical pole 761 and a triangular block 762; the lower support ring 71 and the upper support ring 72 are respectively sleeved on the outer side of the water pumping pipeline 2 and are in sliding connection with the outer side of the water pumping pipeline 2, and two ends of the connecting beam 75 are respectively fixedly connected with the outer side of the lower support ring 71 and the inner side of the collecting filter cartridge 51; the elastic piece 73 is sleeved outside the water pumping pipeline 2, and two ends of the elastic piece 73 are respectively abutted with the lower support ring 71 and the upper support ring 72; the bottom end of the upright pole 761 is fixedly connected to the top surface of the connecting beam 75, and the triangular block 762 is fixedly connected to the top end side surface of the upright pole 761; the top end of the Z-shaped rod 74 is fixedly connected to the outer side of the bottom end of the sleeve 31, and the bottom end of the Z-shaped rod 74 can form extrusion with the inclined surface of the triangular block 762 in the rotating process; the bottom end of the sleeve 31 overlaps the top surface of the upper support ring 72. In the embodiment of the application, when the well 8 is washed, the inner wall of the well 8 is cleaned in a segmented way from top to bottom, the submersible pump 1 is placed at the bottom of the well 8, a certain amount of water is stored at the bottom of the well 8, the water pumping pipeline 2 is a straight pipe, the top end of the water pumping pipeline 2 is required to be closed, meanwhile, a plurality of water outlet holes 21 are arranged at intervals from bottom to top, each water outlet hole 21 corresponds to the position of the inner wall of the well 8, which is required to be cleaned, of each water outlet hole 21, namely, when the spray cleaning assembly 3 and the first filtering assembly 4 are integrally lowered to the uppermost first section height position of the inner wall of the well 8, the water outlet hole 21 at the uppermost end of the water pumping pipeline 2 is also positioned in the region of the first section position, the water outlet hole 21 can be butted with the annular opening 312 in the sleeve 31, when the electric control valve in the water outlet hole 21 is opened, the inside the water pumping pipeline 2 is enabled to be communicated with the annular cavity 311 (meanwhile, the electric control valves in the other water outlet holes 21 of the water pumping pipeline 2 are all closed), after the submersible pump 1 is started, the water pumping pipeline 2 can only enter the annular cavity 3 from the uppermost section 3 to the cleaning assembly, and the water outlet hole 21 can only enter the cleaning region from the uppermost section 3 to the uppermost section 3 of the water outlet hole 3, and the spray cleaning assembly can be cleaned; after the whole device is placed in the well 8, the top end of the water pumping pipeline 2 is required to be fixed at the well 8, so that the water pumping pipeline 2 is effectively and stably supported; in the embodiment of the application, the elastic piece 73 is a spring, the inclined upper end of the arc-shaped filter plate 42 is in sliding connection with the inner wall of the well 8, and in the process of spraying water from the spraying and cleaning assembly 3, the rotating part 6 is controlled to rotate to drive the rotating support block 41 and the sleeve 31 to synchronously rotate, so that the first water distribution and spraying pipe 33, the second water distribution and spraying pipe 34, the third water distribution and spraying pipe 35 and the two arc-shaped filter plates 42 synchronously rotate, and the cleaning work of the first section of the well 8 to be cleaned at the height position can be realized after one rotation; the water sprayed by the first water distributing and spraying pipe 33 and the second water distributing and spraying pipe 34 washes the sundries on the wall of the well 8, and then the sundries fall onto the two arc-shaped filter plates 42, and part of sundries can slide into the collecting and filtering barrel 51 by gravity through the inclined arrangement of the arc-shaped filter plates 42; in the process of rotating the sleeve 31, the Z-shaped rod 74 at the bottom end of the sleeve 31 rotates synchronously, the bottom end of the Z-shaped rod 74 slides along the inclined plane of the triangular block 762 and is gradually extruded by the inclined plane of the triangular block 762 after contacting the triangular block 762 at the top end of the vertical plate, so that the Z-shaped rod 74 gradually moves downwards and drives the spray cleaning assembly 3 and the first filter assembly 4 to integrally move downwards, meanwhile, the elastic piece 73 is extruded downwards through the upper supporting ring 72, after the Z-shaped rod 74 continues to rotate and leaves the triangular block 762, the spray cleaning assembly 3 and the first filter assembly 4 move upwards again through the upward acting force of the elastic piece 73 on the upper supporting ring 72, and accordingly, in the process of rotating the spray cleaning assembly 3 and the first filter assembly 4, the two arc filter plates 42 can simultaneously vibrate in the up-down direction, and accordingly, residual sundries falling onto the two arc filter plates 42 can smoothly slide into the collecting filter cylinders 51 through vibration, and automatic cleaning of the arc filter plates 42 is achieved; in the embodiment of the application, good sliding seal between the outer side of the water suction pipeline 2 and the inner side of the sleeve 31 needs to be ensured.
Referring to fig. 7, the rotating portion 6 includes an electromagnetic adsorption sleeve 61, a motor 62, a first meshing gear 63, and a second meshing gear 64; the electromagnetic adsorption sleeve 61 is sleeved on the outer side of the water pumping pipeline 2 and can be adsorbed on the outer side of the water pumping pipeline 2 after being electrified; the body of the motor 62 is fixedly connected to the outer side of the electromagnetic adsorption sleeve 61, and the output end of the motor 62 is fixedly connected with the first meshing gear 63; the second meshing gear 64 is sleeved outside the water pumping pipeline 2 and fixedly connected with the top surface of the rotary supporting block 41, and the teeth of the first meshing gear 63 and the teeth of the second meshing gear 64 are in meshing connection. The rotating part 6 in the embodiment of the application specifically selects an electromagnetic adsorption sleeve 61, a motor 62, a first meshing gear 63 and a second meshing gear 64, the electromagnetic adsorption sleeve 61 is lowered in a hoisting manner and is equivalent to a ring electromagnet structure, when the electromagnetic adsorption sleeve 61 is not electrified, the electromagnetic adsorption sleeve 61 is in sliding connection with the water pumping pipeline 2, and after the electrification, the electromagnetic adsorption sleeve 61 can be adsorbed and fixed on the outer side of the water pumping pipeline 2; the thicknesses of the teeth of the first meshing gear 63 and the second meshing gear 64 are relatively large, and the bottom end portions of the teeth of the first meshing gear 63 mesh to the top end portions of the teeth of the second meshing gear 64, i.e., the first meshing gear 63 and the second meshing gear 64 are not on the same horizontal plane, but both can realize transmission by meshing; the purpose of the design is that when the first meshing gear 63 drives the second meshing gear 64 to rotate, the rotating support block 41 and the sleeve 31 are driven to rotate, and the Z-shaped rod 74 at the bottom end of the sleeve 31 is extruded with the triangular block 762 in the rotating process, so that the sleeve 31 and the rotating support block 41 integrally generate micro-vibration in the up-down direction, the first meshing gear 63 and the second meshing gear 64 are staggered in two planes, and the second meshing gear 64 can relatively displace upwards relative to the first meshing gear 63 when the rotating support block 41 vibrates upwards, so that the meshing transmission of the two can be met, and the micro-vibration action of the sleeve 31 and the rotating support block 41 in the rotating process can also be met; also, by the up-and-down minute vibration action of the sleeve 31 and the rotation support block 41, the remaining foreign matters falling onto the two arc-shaped filter plates 42 can smoothly slide into the collecting filter cylinder 51 through vibration, and automatic cleaning of the foreign matters on the arc-shaped filter plates 42 is realized.
Referring to fig. 6, the height of the annular opening 312 is greater than the inner diameter of the water outlet hole 21. The height of the annular opening 312 is set to be larger than the inner diameter of the water outlet hole 21 in the embodiment of the application, so that the annular opening 312 can be communicated with the water outlet hole 21 all the time when the sleeve 31 vibrates slightly in the vertical direction, and the normal water spraying operation of the spray cleaning assembly 3 is ensured.
Referring to fig. 2 and 5, the second and third water distribution pipes 34 and 35 are provided with a plurality of first and second backwash heads 341 and 351, respectively, at intervals in the longitudinal direction thereof; the top end of the third distribution pipe 35 is a closed end. In the embodiment of the application, the first backwashing head 341 and the second backwashing head 351 are further arranged, wherein the second backwashing head 34 can spray the inner wall of the well 8, and can also back flush the bottom surface of the arc-shaped filter plate 42 above through the first backwashing head 341, so that sundries falling onto the arc-shaped filter plate 42 above can more easily slide into the collecting filter cylinder 51, the top end of the third backwashing head 35 is provided with a closed end, and the third backwashing head 35 can only back flush the bottom surface of the arc-shaped filter plate 42 below through the second backwashing head 351, so that sundries on the arc-shaped filter plate 42 below can also more easily slide into the collecting filter cylinder 51, and the automatic cleaning efficiency of sundries on the arc-shaped filter plate 42 is further improved.
Referring to fig. 2, a well-flushing device for a water source heat pump according to an embodiment of the present application further includes a steel cable, one end of which is fixedly connected to the top end of the collecting filter cartridge 51. The steel cable is arranged in the embodiment of the application, so that the lifting work of the collecting and filtering cylinder 51 can be realized through the steel cable, and the whole device is conveniently lowered or lifted.
Referring to fig. 1 and 2, a gas line is connected to the tip of the annular air bag 52, and the annular air bag 52 can be inflated and deflated by the gas line. The annular air bag 52 is arranged in the embodiment of the application, when the collecting and filtering barrel 51 is lowered to a proper position of the wall of the well 8, the annular air bag 52 is inflated through the gas transmission line, so that the annular air bag 52 is inflated, the collecting and filtering barrel 51 is finally fixed on the wall of the well 8, when the position of the collecting and filtering barrel 51 needs to be moved, the collecting and filtering barrel 51 can be shifted only by exhausting the gas in the annular air bag 52, and after the shifting is carried out again, the annular air bag 52 is continuously inflated, and the collecting and filtering barrel 51 can be continuously fixed on the wall of the well 8.
Referring to fig. 2 and 5, a plurality of fixing rods 421 are fixedly coupled between the two arc-shaped filter plates 42. In the embodiment of the present application, the two arc-shaped filter plates 42 can be connected as a whole by providing the fixing rod 421.
Referring to fig. 1, 2 and 5, the end of the arcuate filter plate 42 facing away from the sleeve 31 is detachably connected to a wiper blade which contacts the inner wall of the well 8. In the embodiment of the application, the scraping plate is further arranged, and can scrape the inner wall of the well 8 in the process that the arc-shaped filter plate 42 rotates around the water suction pipeline 2, and meanwhile, the spraying and cleaning assembly 3 is matched to spray water to the inner wall of the well 8, so that the cleaning effect on the inner wall of the well 8 can be further improved.
The embodiment of the application provides a well flushing method, which comprises the following steps: the submersible pump 1 and the water pumping pipeline 2 are integrally lowered into a well 8, and the top end of the water pumping pipeline 2 is fixed at the position of the well 8; the whole device is hung downwards, and the spray cleaning assembly 3, the first filtering assembly 4, the second filtering assembly 5, the rotating part 6 and the vibrating assembly 7 are integrally sleeved on the outer side of the water pumping pipeline 2, so that the spray cleaning assembly 3 and the first filtering assembly 4 reach the first section of height position of the well 8 to be cleaned, and meanwhile, the annular opening 312 in the sleeve 31 is in butt joint with the first water outlet hole 21 at the top of the water pumping pipeline 2; controlling the annular air bag 52 to expand, and supporting the collecting and filtering cylinder 51 on the inner wall of the well 8 in a whole manner, so that the sleeve 31 is supported by the lower supporting ring 71, the elastic member 73 and the upper supporting ring 72; controlling the rotating part 6 to reach a proper height position and connecting the output end of the rotating part 6 with the top surface of the rotating support block 41; then, starting the submersible pump 1 to work, pumping water at the bottom of the well 8 upwards into the water pumping pipeline 2, simultaneously opening an electric control valve in a water outlet hole 21 at the top of the water pumping pipeline 2, enabling the water in the water pumping pipeline 2 to enter an annular cavity 311 through the water outlet hole 21, then to be output from the annular cavity 311 and enter a main water spraying pipe 32, sequentially reaching a first water distributing pipe 33, a second water distributing pipe 34 and a third water distributing pipe 35 after passing through the output end of the main water spraying pipe 32, enabling the water to be sprayed to the wall of the well 8 through the first water distributing pipe 33 and the second water distributing pipe 34, and simultaneously starting a rotating part 6 to rotate, further driving a rotating supporting block 41 to rotate and a sleeve 31 to synchronously rotate, and enabling the first water distributing pipe 33, the second water distributing pipe 34, the third water distributing pipe 35 and two arc-shaped filter plates 42 to synchronously rotate, so that after one circle of rotation, cleaning work on a first section of the well 8 to be cleaned can be realized; the water sprayed by the first water distributing and spraying pipe 33 and the second water distributing and spraying pipe 34 washes the sundries on the wall of the well 8, and then the sundries fall onto the two arc-shaped filter plates 42, and part of sundries can slide into the collecting and filtering barrel 51 by gravity through the inclined arrangement of the arc-shaped filter plates 42; in the process of rotating the sleeve 31, the Z-shaped rod 74 at the bottom end of the sleeve 31 rotates synchronously, the bottom end of the Z-shaped rod 74 slides along the inclined plane of the triangular block 762 and is gradually extruded by the inclined plane of the triangular block 762 after contacting the triangular block 762 at the top end of the vertical plate, so that the Z-shaped rod 74 gradually moves downwards and drives the spray cleaning assembly 3 and the first filter assembly 4 to integrally move downwards, meanwhile, the elastic piece 73 is extruded downwards through the upper supporting ring 72, after the Z-shaped rod 74 continues to rotate and leaves the triangular block 762, the spray cleaning assembly 3 and the first filter assembly 4 move upwards again through the upward acting force of the elastic piece 73 on the upper supporting ring 72, and accordingly, in the process of rotating the spray cleaning assembly 3 and the first filter assembly 4, the two arc filter plates 42 can simultaneously vibrate in the up-down direction, and accordingly, residual sundries falling onto the two arc filter plates 42 can smoothly slide into the collecting filter cylinders 51 through vibration, and automatic cleaning of the arc filter plates 42 is achieved; after the cleaning of the first section of the well 8 is completed, the annular air bag 52 is controlled to shrink, the whole device is lifted downwards continuously, the spray cleaning assembly 3 and the first filtering assembly 4 reach the second section of the well 8 to be cleaned, the annular opening 312 in the sleeve 31 is in butt joint with the second water outlet hole 21 at the top of the water pumping pipeline 2, the annular air bag 52 is controlled to expand, the collecting filter cartridge 51 is supported on the inner wall of the well 8 again, and the sleeve 31 is supported again through the lower supporting ring 71, the elastic piece 73 and the upper supporting ring 72; and then starting the submersible pump 1 continuously, opening an electric control valve in a second water outlet hole 21 at the top of the water pumping pipeline 2, closing the electric control valve in a first water outlet hole 21 at the top of the water pumping pipeline 2, enabling water to be finally sprayed at the second section height position of the well 8 to be washed through the spraying cleaning assembly 3, wherein the cleaning work of the second section height position to be washed in the well 8 is identical to the cleaning work of the first section height position, and after the cleaning work of the second section height position to be washed in the well 8 is completed, the cleaning work of the third section height position in the well 8 is performed according to the same steps until the inner wall of the well 8 is completely cleaned.
In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the present application; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (9)
1. A well washing device for a water source heat pump, which is characterized by comprising a submersible pump (1), a water pumping pipeline (2), a spray cleaning assembly (3), a first filtering assembly (4), a second filtering assembly (5), a rotating part (6) and a vibration assembly (7);
the submersible pump (1) is arranged at the bottom of the well (8), the water pumping pipeline (2) is vertically arranged at the axis of the well (8), and the output end of the submersible pump (1) is communicated with the bottom end of the water pumping pipeline (2);
The spray cleaning assembly (3) comprises a sleeve (31), a main spray pipe (32), a first spray distribution pipe (33), a second spray distribution pipe (34) and a third spray distribution pipe (35);
the output end of the main water spray pipe (32) is respectively communicated with the input ends of the first water distribution pipe (33), the second water distribution pipe (34) and the third water distribution pipe (35), the first water distribution pipe (33), the second water distribution pipe (34) and the third water distribution pipe (35) are arranged from top to bottom, and the output ends of the first water distribution pipe (33), the second water distribution pipe (34) and the third water distribution pipe (35) are all obliquely upwards arranged;
the sleeve (31) is sleeved on the outer side of the water pumping pipeline (2) and is connected with the outer side of the water pumping pipeline (2) in a sliding manner, and can be lifted in the well (8) along the outer side of the water pumping pipeline (2);
an annular cavity (311) is formed in the sleeve (31), an annular opening (312) is formed in the annular cavity (311) close to the inner side of the water pumping pipeline (2) along the radial direction, and the main water spraying pipe (32) is arranged on the outer side of the sleeve (31) along the radial direction of the sleeve (31) and is communicated with the annular cavity (311);
The water pumping pipeline (2) is provided with a plurality of water outlet holes (21) at intervals along the length direction of the water pumping pipeline, each water outlet hole (21) is internally provided with an electric control valve, and the annular opening (312) can be respectively in butt joint with the plurality of water outlet holes (21);
the first filtering component (4) comprises a rotary supporting block (41) and two arc-shaped filtering plates (42) which are arranged up and down correspondingly;
the two arc-shaped filter plates (42) are obliquely upwards arranged and respectively surround the first water distribution pipe (33) and the second water distribution pipe (34) in a half way, and the end part, close to the sleeve (31), of the upper arc-shaped filter plate (42) is fixedly connected with the rotating support block (41);
the rotary supporting block (41) is sleeved on the outer side of the water pumping pipeline (2) and is in sliding connection with the water pumping pipeline (2) and can rotate around the outer side of the water pumping pipeline (2);
the bottom surface of the rotary supporting block (41) is fixedly connected with the top end of the sleeve (31);
the top surface of the rotating support block (41) is connected with the output end of the rotating part (6) and can rotate under the drive of the rotating part (6);
the second filter assembly (5) comprises a collecting filter cylinder (51) and an annular air bag (52), the collecting filter cylinder (51) is positioned below the sleeve (31), the annular air bag (52) is fixedly connected to the outer side of the collecting filter cylinder (51), and the water pumping pipeline (2) penetrates through the collecting filter cylinder (51) and is in sliding connection with the bottom of the collecting filter cylinder (51);
The vibration assembly (7) comprises a lower support ring (71), an upper support ring (72), an elastic piece (73), a plurality of Z-shaped rods (74), a plurality of connecting beams (75) and a plurality of L-shaped connecting pieces (76), wherein the L-shaped connecting pieces (76) comprise vertical rods (761) and triangular blocks (762);
the lower support ring (71) and the upper support ring (72) are respectively sleeved on the outer side of the water pumping pipeline (2) and are in sliding connection with the outer side of the water pumping pipeline (2), and two ends of the connecting beam (75) are respectively fixedly connected with the outer side of the lower support ring (71) and the inner side of the collecting filter cartridge (51);
the elastic piece (73) is sleeved outside the water pumping pipeline (2), and two ends of the elastic piece (73) are respectively abutted with the lower supporting ring (71) and the upper supporting ring (72);
the bottom end of the vertical rod (761) is fixedly connected to the top surface of the connecting beam (75), and the triangular block (762) is fixedly connected to the side surface of the top end of the vertical rod (761);
the top end of the Z-shaped rod (74) is fixedly connected to the outer side of the bottom end of the sleeve (31), and the bottom end of the Z-shaped rod (74) can form extrusion with the inclined surface of the triangular block (762) in the rotating process;
The bottom end of the sleeve (31) is lapped on the top surface of the upper supporting ring (72).
2. The well flushing device for a water source heat pump according to claim 1, wherein the rotating part (6) comprises an electromagnetic adsorption sleeve (61), a motor (62), a first meshing gear (63) and a second meshing gear (64);
the electromagnetic adsorption sleeve (61) is sleeved on the outer side of the water pumping pipeline (2) and can be adsorbed on the outer side of the water pumping pipeline (2) after being electrified;
the machine body of the motor (62) is fixedly connected to the outer side of the electromagnetic adsorption sleeve (61), and the output end of the motor (62) is fixedly connected with the first meshing gear (63);
the second meshing gear (64) is sleeved outside the water pumping pipeline (2) and fixedly connected with the top surface of the rotary supporting block (41), and the first meshing gear (63) is meshed with the teeth of the second meshing gear (64).
3. A well flushing device for a water source heat pump according to claim 1, characterized in that the height of the annular opening (312) is larger than the inner diameter of the water outlet hole (21).
4. The well-flushing device for a water source heat pump according to claim 1, wherein the second and third water distribution pipes (34, 35) are provided with a plurality of first and second backwash heads (341, 351) at intervals in a longitudinal direction thereof, respectively;
The top end of the third water distribution pipe (35) is a closed end.
5. The well flushing device for a water source heat pump of claim 1 further comprising a steel cable having one end fixedly connected to the top end of the collection filter cartridge (51).
6. The well flushing device for a water source heat pump according to claim 1, wherein a gas transmission line is connected to the top end of the annular air bag (52), and the annular air bag (52) can be inflated and deflated through the gas transmission line.
7. The well flushing device for a water source heat pump according to claim 1, wherein a plurality of fixing rods (421) are fixedly connected between two arc-shaped filter plates (42).
8. A well flushing device for a water source heat pump according to claim 1, characterized in that the end of the arc-shaped filter plate (42) facing away from the sleeve (31) is detachably connected with a scraper blade, which scraper blade is in contact with the inner wall of the well (8).
9. A well flushing method, based on a well flushing device for a water source heat pump according to any one of claims 1-8, comprising:
the submersible pump (1) and the water pumping pipeline (2) are integrally lowered into the well (8), and the top end of the water pumping pipeline (2) is fixed at the position of the opening of the well (8);
The whole device is hung downwards, and the spray cleaning assembly (3), the first filtering assembly (4), the second filtering assembly (5), the rotating part (6) and the vibrating assembly (7) are integrally sleeved on the outer side of the water pumping pipeline (2), so that the spray cleaning assembly (3) and the first filtering assembly (4) reach the first section height position of a well (8) to be cleaned, and meanwhile, an annular opening (312) in the sleeve (31) is in butt joint with a first water outlet hole (21) at the top of the water pumping pipeline (2);
controlling the annular air bag (52) to expand, and supporting the collecting and filtering barrel (51) on the inner wall of the well (8) integrally, so that the sleeve (31) is supported by the lower supporting ring (71), the elastic piece (73) and the upper supporting ring (72);
controlling the rotating part (6) to reach a proper height position, and connecting the output end of the rotating part (6) with the top surface of the rotating supporting block (41);
then starting the submersible pump (1) to work, pumping water at the bottom of the well (8) upwards into the water pumping pipeline (2), simultaneously opening an electric control valve in a water outlet hole (21) at the top of the water pumping pipeline (2), enabling water in the water pumping pipeline (2) to enter an annular cavity (311) through the water outlet hole (21), further outputting from the annular cavity (311) and entering a main water spraying pipe (32), sequentially reaching a first water spraying pipe (33), a second water spraying pipe (34) and a third water spraying pipe (35) through the output end of the main water spraying pipe (32), enabling water to be sprayed to the wall of the well (8) through the first water spraying pipe (33) and the second water spraying pipe (34), simultaneously starting a rotating part (6) to rotate, further driving a rotating supporting block (41) and a sleeve (31) to synchronously rotate, and enabling the first water spraying pipe (33), the second water spraying pipe (34), the third water spraying pipe (35) and two arc-shaped filter plates (42) to synchronously rotate, and cleaning the first water spraying pipe (8) at a required position can be cleaned after one-turn;
The sundries on the wall of the well (8) are washed by the water sprayed by the first water distributing and spraying pipe (33) and the second water distributing and spraying pipe (34) and then fall onto the two arc-shaped filter plates (42), and part of sundries can slide into the collecting and filtering barrel (51) through gravity by the inclined arrangement of the arc-shaped filter plates (42);
in the process of rotating the sleeve (31), the Z-shaped rod (74) at the bottom end of the sleeve (31) synchronously rotates, the bottom end of the Z-shaped rod (74) slides along the inclined plane of the triangular block (762) and is gradually extruded by the inclined plane of the triangular block (762) after contacting the triangular block (762) at the top end of the vertical plate, so that the Z-shaped rod (74) gradually moves downwards and drives the spray cleaning assembly (3) and the first filter assembly (4) to integrally move downwards, meanwhile, the elastic piece (73) is downwards extruded through the upper supporting ring (72), after the Z-shaped rod (74) continuously rotates and leaves the triangular block (762), the upward acting force of the elastic piece (73) on the upper supporting ring (72) enables the spray cleaning assembly (3) and the first filter assembly (4) to upwards move again, and accordingly, in the process of rotating the spray cleaning assembly (3) and the first filter assembly (4), the two arc filter plates (42) can simultaneously vibrate in the up-down direction, and accordingly the arc-shaped filter plates (42) can automatically clean sundries falling onto the filter plates (51) in a smooth way, and the arc-shaped filter plates (42) can be automatically cleaned;
After the cleaning of the first section of the well (8) is completed, the annular air bag (52) is controlled to shrink, the whole device is continuously lifted downwards, the spraying cleaning assembly (3) and the first filtering assembly (4) reach the second section of the well (8) to be cleaned, the annular opening (312) in the sleeve (31) is in butt joint with the second water outlet hole (21) at the top of the water pumping pipeline (2), the annular air bag (52) is controlled to expand, the collecting filter cartridge (51) is supported on the inner wall of the well (8) again, and the sleeve (31) is supported again through the lower supporting ring (71), the elastic piece (73) and the upper supporting ring (72);
and then continuing to start the submersible pump (1) to work, opening an electric control valve in a second water outlet hole (21) at the top of the water pumping pipeline (2), closing the electric control valve in a first water outlet hole (21) at the top of the water pumping pipeline (2), enabling water to be finally sprayed at the second section height position of the well (8) to be washed through the spraying and washing assembly (3), wherein after the cleaning work of the second section height position to be washed in the well (8) is identical to the cleaning work of the first section height position, after the cleaning work of the second section height position to be washed in the well (8) is completed, performing the cleaning work of the third section height position in the well (8) according to the same steps until the inner wall of the well (8) is completely cleaned.
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