CN113062298A - Recharge well anti-blocking device for geothermal operation system - Google Patents

Recharge well anti-blocking device for geothermal operation system Download PDF

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Publication number
CN113062298A
CN113062298A CN202110503464.4A CN202110503464A CN113062298A CN 113062298 A CN113062298 A CN 113062298A CN 202110503464 A CN202110503464 A CN 202110503464A CN 113062298 A CN113062298 A CN 113062298A
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China
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dredging
mounting disc
sleeve
main
motor
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CN113062298B (en
Inventor
杨询昌
刘欢
刘学强
孟凡健
张盛生
李东亮
张啟兴
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Second Hydrogeological Engineering Geological Brigade Of Shandong Geological And Prospecting Bureau Shandong Lubei Geological Engineering Survey Institute
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Second Hydrogeological Engineering Geological Brigade Of Shandong Geological And Prospecting Bureau Shandong Lubei Geological Engineering Survey Institute
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Publication of CN113062298A publication Critical patent/CN113062298A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/0436Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/06Methods or installations for obtaining or collecting drinking water or tap water from underground
    • E03B3/08Obtaining and confining water by means of wells
    • E03B3/16Component parts of wells
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/06Methods or installations for obtaining or collecting drinking water or tap water from underground
    • E03B3/08Obtaining and confining water by means of wells
    • E03B3/16Component parts of wells
    • E03B3/18Well filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24TGEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00Geothermal collectors
    • F24T10/20Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Agronomy & Crop Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Soil Sciences (AREA)
  • Sustainable Development (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a recharging well anti-blocking device for a geothermal operation system, which comprises a main sieve tube, a dredging component, a cleaning component and a controller, wherein sieve pores are arranged on the main sieve tube, the dredging component comprises a mounting disc, a dredging rod, a first motor, a second motor and a pushing mechanism, the first motor is arranged at the bottom in the main sieve tube, the mounting disc is arranged on an output shaft of the first motor, the dredging and pushing mechanism is arranged in the mounting disc, the pushing mechanism is used for pushing the dredging rod to enter and exit the mounting disc, the second motor is used for driving the mounting disc to move in the main sieve tube, the cleaning component is arranged at the lower end of the mounting disc and is used for cleaning pollutants attached to the inner wall of the main sieve tube, and the controller is respectively electrically connected with the first motor and the second motor; the invention has reasonable structural design, can effectively reduce the risk of blocking the recharge well, improves the utilization efficiency of geothermal resources, and is suitable for large-scale popularization.

Description

Recharge well anti-blocking device for geothermal operation system
Technical Field
The invention relates to the technical field of geothermal heating, in particular to a recharging well anti-blocking device for a geothermal operation system.
Background
Although the geothermal resource is a renewable energy source, the position of the geothermal resource in the whole energy structure is very little at present, but the grade is the highest compared with solar energy, wind energy, tidal energy and the like, the geothermal resource is the most practical and feasible heat source, and if the geothermal resource is reasonably developed and utilized, the geothermal resource becomes an inexhaustible clean energy. Geothermal fluid carrying heat energy is not inexhaustible, and excessive exploitation can cause resource exhaustion; recharging is one of the main measures for realizing sustainable development and utilization of geothermal resources. In the geothermal heat utilization project which takes heating as the main application, the geothermal tail water after heat exchange can be used as a recharging water source.
At present, a lining pipe method is mostly adopted for well completion of the recharging well, namely, a screen is used for supporting a well wall by clinging to the well wall, large-volume rock stratum fragments are prevented from falling off, and meanwhile, a screen pipe is arranged in the recharging well and is used for filtering geothermal water in a steam or liquid form; however, the geothermal water has a complex environment and contains a large amount of impurities, so that after the recharge well is used for a long time, the sieve tube is blocked, and if the recharge well is not cleaned in time, the working efficiency of the recharge well is greatly reduced.
In the prior art, in order to prevent the recharging well from being blocked, a filtering mechanism is usually additionally arranged on the inner wall of a screen pipe so as to reduce the blocking risk of the recharging well, and then the mode wastes time and labor, so that the problem that the recharging well is easy to block cannot be completely solved.
Disclosure of Invention
In view of the technical problems, the invention provides a practical and efficient recharge well anti-blocking device for a geothermal operation system.
The technical scheme of the invention is as follows: a recharge well anti-clogging device for a geothermal operation system comprises a main sieve tube, a dredging assembly, a cleaning assembly and a controller; the bottom of the main sieve tube is closed, the upper end of the main sieve tube is movably clamped with an end cover, the upper end of the end cover is provided with an installation shell and a recharge pipe, the recharge pipe penetrates through the end cover, and the side wall of the main sieve tube is uniformly provided with a plurality of sieve pores;
the dredging component comprises a mounting disc, dredging rods, a first motor, a second motor and a pushing mechanism, wherein the first motor is fixedly arranged at the central position of the bottom in the main sieve tube through a waterproof shell, an output shaft of the first motor is vertically arranged and is fixedly connected with a rotating shaft, the mounting disc is hollow, a shaft sleeve is rotatably clamped at the central position of the mounting disc, the mounting disc is slidably clamped on the rotating shaft through the shaft sleeve, a first main gear is slidably clamped on the rotating shaft positioned in the mounting disc, connecting threaded blocks are symmetrically arranged on the side wall of the mounting disc, a first limiting sleeve and a second limiting sleeve are sequentially arranged in the mounting disc from inside to outside, the number of the dredging rods is 8-16, the 8-16 dredging rods are uniformly distributed in the mounting disc in a scattering manner, one end of each dredging rod, far away from the mounting disc, penetrates through the outer wall of the mounting disc, one end of each dredging rod, close to the mounting disc, penetrates through the second, and the junction of each dredging rod and the second limiting sleeve is provided with a limiting block, each dredging rod is sleeved with a return spring, one end of the return spring is abutted against the inner wall of the mounting disc, the other end of the return spring is abutted against the limiting block, the pushing mechanism comprises a pushing arc plate and a connecting screw rod, the number of the pushing arc plates is 2-5, the 2-5 pushing arc plates are uniformly distributed in the mounting disc and are positioned between the first limiting sleeve and the second limiting sleeve, the outer side of each pushing arc plate is respectively abutted against each dredging rod, the inner side of each pushing arc plate is provided with a threaded sleeve, the number of the connecting screw rods and the number of the pushing arc plates are correspondingly consistent, one end of each connecting screw rod is respectively connected with the threaded sleeves after penetrating through the first limiting sleeve, the other end of each connecting screw rod is provided with a first connecting gear, each first connecting gear is respectively engaged and connected with the first main gear, and the second motor is arranged in the mounting shell, lifting screw rods are vertically arranged on two sides of the end cover, the two lifting screw rods penetrate through the end cover and then are in threaded connection with the two connecting thread blocks, and the tops of the two lifting screw rods and an output shaft of the second motor are in transmission through a belt; the first motor and the second motor are both powered by an external power supply and are both commercially available products;
the cleaning assembly comprises a rotary cutting sleeve, a connecting ring and a rotary sleeve, the rotary cutting sleeve is clamped at the lower end of the mounting disc, an inner ring of the connecting ring is fixedly connected with the lower end of the rotary cutting sleeve, the rotary sleeve is rotatably clamped at the upper end of the edge of the connecting ring, a first connecting gear ring is arranged on the inner side of the rotary sleeve, a cleaning brush head is arranged on the outer side of the rotary sleeve, the cleaning brush head is abutted to the inner wall of the main sieve tube, two lifting screw rods penetrate through the connecting ring, driving gears are respectively clamped at the connecting positions of the two lifting screw rods and the connecting ring in a;
the controller is respectively electrically connected with the first motor and the second motor.
Furthermore, the dredging rods are arranged in two groups, each group is provided with 8-16 dredging rods, the two groups of dredging rods are divided into an upper layer and a lower layer in the mounting disc, the two first main gears are arranged, the two main gears are connected through connecting sleeves, each pushing arc plate is provided with two thread sleeves, the number of the connecting screw rods is consistent with that of the thread sleeves, the two connecting screw rods on the same pushing arc plate are meshed with the two first main gears through the first connecting gears respectively, and the cleaning efficiency of the dredging rods on sieve holes in the main sieve tube can be improved by arranging the two groups of dredging rods.
Furthermore, each dredging rod is sleeved with a second connecting gear in a sliding manner, a second main gear is sleeved on each connecting sleeve, two second connecting gear rings are movably arranged between the upper layer of dredging rod and the lower layer of dredging rod, the two second connecting gear rings are respectively meshed with the second connecting gears on the dredging rods on the upper side and the lower side, two third connecting gears are symmetrically arranged between the two second connecting gear rings, connecting shafts are arranged on the two third connecting gears, and the other ends of the two connecting shafts respectively penetrate through the pushing plate and the first limiting sleeve and are respectively meshed with the second main gear through fourth connecting gears; when the rotation axis rotates, drive the second master gear and rotate, and then drive each connecting axle and rotate, utilize the third connecting gear on the connecting axle to drive two second and connect the ring gear and rotate for each dredging rod can take place to rotate, is favorable to clearing up the inside pollutant that blocks up of sieve mesh.
Further, rotation axis upper end cover is equipped with removes the foam awl section of thick bamboo and removes the foam disc, it evenly is provided with a plurality of first guide plates to remove foam awl section of thick bamboo circumference, it is located removes foam awl section of thick bamboo lower extreme to remove the foam disc, it evenly is provided with a plurality of second guide plates to remove on the foam disc, first guide plate and the even interval of second guide plate set up, when local hot water gets into first screen pipe inside through the recharge pipe, at first the tumble is on removing the foam awl section of thick bamboo, then inside from removing foam disc circumference whereabouts to main screen pipe under the effect of first guide plate and second guide plate, it produces the foam and blocks up the water layer gap of recharge well to avoid geothermal water directly to get into main screen pipe.
Furthermore, the ball is arranged at the joint of the shaft sleeve and the rotating shaft, and the resistance between the shaft sleeve and the rotating shaft in the ascending process of the mounting disc can be reduced by the ball.
Furthermore, one end of the dredging rod, which is far away from the mounting disc, is provided with a tip part, and hard blockages in the sieve holes are convenient to clean through the tip part.
Further, the one end circumference that the mounting disc was kept away from to each mediation pole evenly is provided with a plurality of spirals, after the mediation pole broke through the sieve mesh, rotatory under the effect of ring gear is connected to the second, utilizes the spiral plate to clear away adnexed pollutant on the sieve mesh inner wall comprehensively this moment, improves the efficiency of recharging of main sieve pipe to geothermal water.
Furthermore, the lower end of the main sieve pipe is connected with an auxiliary sieve pipe through a connecting flange, a dredging assembly and a cleaning assembly are arranged inside the auxiliary sieve pipe, a communicating channel is arranged between the auxiliary sieve pipe and the main sieve pipe, a lifting screw rod inside the auxiliary sieve pipe is movably connected with a lifting screw rod inside the main sieve pipe through a connecting clamp, and by arranging the auxiliary sieve pipe, the invention can be suitable for recharging wells with different depths, reduces the blocking risk of the recharging wells and improves the recharging utilization rate of geothermal resources.
Further, the joint of the pushing arc plate and the dredging rod is provided with a sliding clamping groove, and the stability of connection between the dredging rod and the pushing arc plate can be improved by arranging the sliding clamping groove.
The working principle of the invention is as follows:
(1) moving the main sieve tube to the interior of the recharging well by using external hoisting equipment, and then fixing the book sieve tube and the recharging well;
(2) respectively connecting the first motor and the second motor with an external power supply; the controller controls the first motor to start, a rotating shaft on the first motor is used for driving the shaft sleeve, the first main gear and the second main gear to rotate on the mounting disc, and in the rotating process of the first main gear, each first connecting gear is driven to rotate, so that each connecting screw rod is screwed out of the corresponding threaded sleeve, each pushing arc plate moves to one side far away from the mounting disc, each dredging rod is pushed to move to one side of the mounting disc, and sieve holes on the main sieve tube are dredged;
(3) in the rotating process of the second main gear, the fourth connecting gears are driven to rotate, the connecting shafts corresponding to the fourth connecting gears drive the two second connecting gear rings to rotate through the third connecting gears, and the two second connecting gear rings are respectively meshed and connected with the second connecting gears on the dredging rods, so that when the two second connecting gear rings rotate, the dredging rods rotate, and pollutants attached to the inner sides of the sieve pores are cleaned by utilizing the spiral plates on the dredging rods;
(4) controlling the first motor to rotate reversely through the controller, enabling each dredging rod to enter the mounting disc again, controlling the second motor to start through the controller, driving the two lifting screw rods to rotate through the second motor, enabling the mounting disc to rise to a certain height in the main sieve tube, and then repeatedly carrying out the operation in the step (3); in the rotation process of the lifting screw rod, the first connecting gear ring is driven to rotate through the driving gear, so that the rotary sleeve drives the cleaning brush head to rotate along the inner wall of the main sieve tube, and pollutants attached to the inner wall of the main sieve tube are cleaned;
(5) and (5) repeating the steps (3) and (4) until all the sieve pores with different heights on the main sieve tube (1) are cleaned.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structural design, can thoroughly clean the sieve pores on the main sieve tube in real time, reduces the risk of blockage of the main sieve tube and improves the use efficiency of the recharge well; according to the invention, the dredging rod capable of horizontally moving and rotating is used for dredging the sieve pores, so that various pollutants attached in the sieve pores can be thoroughly removed, the fluency of the sieve pores is improved, the recharge capability of the recharge well is further improved, the recycling of geothermal resources is realized, and the problem of environmental pollution caused by the random discharge of geothermal water is solved; meanwhile, the cleaning brush head is used for cleaning the pollutants attached to the inner wall of the main sieve tube, so that the attachment capacity of the pollutants is reduced, the corrosion of the main sieve tube caused by the long-term attachment of the pollutants is avoided, and the service life of the main sieve tube is prolonged; by arranging the foam removing conical cylinder and the foam removing disc, the problem that geothermal water directly enters the main sieve tube to generate foam to block water layer gaps of the recharging well is avoided.
Drawings
FIG. 1 is a longitudinal section of the present invention;
FIG. 2 is an external structural view of the present invention;
FIG. 3 is a schematic view of the internal structure of the mounting plate of the present invention;
FIG. 4 is an enlarged schematic view at A of FIG. 1 of the present invention;
FIG. 5 is an enlarged schematic view of the invention at B of FIG. 1;
FIG. 6 is a schematic view of the attachment of the ventilation bar of the present invention to a mounting plate;
FIG. 7 is a schematic view of the connection of the defoaming cone and the defoaming disc of the present invention;
FIG. 8 is a schematic view of the coupling of the sleeve of the present invention to a rotating shaft;
FIG. 9 is a schematic view of the connection ring and the rotary sleeve of the present invention;
FIG. 10 is a schematic view of the connection of the secondary screen to the primary screen of the present invention;
wherein, 1-main sieve tube, 10-end cover, 11-mounting shell, 12-recharging tube, 13-sieve hole, 2-dredging component, 20-mounting disk, 200-shaft sleeve, 2000-ball, 201-connecting screw block, 202-first spacing sleeve, 203-second spacing sleeve, 21-dredging rod, 210-spacing block, 211-reset spring, 212-second connecting gear, 213-second connecting gear ring, 214-third connecting gear, 2140-connecting shaft, 2141-fourth connecting gear, 215-spiral plate, 22-first motor, 220-waterproof housing, 221-rotating shaft, 222-first main gear, 223-connecting sleeve, 224-second main gear, 23-second motor, 230-lifting lead screw, 2300-driving gear, 24-pushing mechanism, 240-pushing arc plate, 241-connecting screw, 2410-first connecting gear, 242-thread sleeve, 25-defoaming cone, 250-first guide plate, 26-defoaming disc, 260-second guide plate, 3-cleaning component, 30-rotary cutting sleeve, 31-connecting ring, 32-rotary sleeve, 320-first connecting gear ring, 321-cleaning brush head, 4-auxiliary sieve tube, 40-communicating channel and 41-connecting clamping head.
Detailed Description
Example 1: the anti-blocking device for the recharge well of the geothermal operation system comprises a main screen pipe 1, a dredging assembly 2, a cleaning assembly 3 and a controller, wherein the main screen pipe is arranged on the upper portion of the main screen pipe; the bottom of the main sieve tube 1 is closed, the upper end of the main sieve tube is movably clamped with an end cover 10, the upper end of the end cover 10 is provided with an installation shell 11 and a recharge pipe 12, the recharge pipe 12 penetrates through the end cover 10, and the side wall of the main sieve tube 1 is uniformly provided with a plurality of sieve pores 13;
as shown in fig. 1, 3, 4, 5, 6, 7, and 8, the dredging assembly 2 includes a mounting plate 20, a dredging rod 21, a first motor 22, a second motor 23, and a pushing mechanism 24, the first motor 22 is fixedly disposed at the center of the bottom of the main sieve tube 1 through a waterproof housing 220, an output shaft of the first motor 22 is vertically disposed and fixedly connected with a rotating shaft 221, the mounting plate 20 is hollow, a shaft sleeve 200 is rotatably clamped at the center of the mounting plate 20, the mounting plate 20 is slidably clamped on the rotating shaft 221 through the shaft sleeve 200, a ball 2000 is disposed at the connection between the shaft sleeve 200 and the rotating shaft 221, and by disposing the ball 2000, the resistance between the shaft sleeve 200 and the rotating shaft 221 during the ascending process of the mounting plate 20 can be reduced; a first main gear 222 is slidably clamped on a rotating shaft 221 positioned in the mounting disc 20, connecting threaded blocks 201 are symmetrically arranged on the side wall of the mounting disc 20, a first limiting sleeve 202 and a second limiting sleeve 203 are sequentially arranged in the mounting disc 20 from inside to outside, two groups of 12 dredging rods 21 are arranged, each group of dredging rods 21 is divided into an upper layer and a lower layer in the mounting disc 20, each layer of dredging rods 21 is uniformly distributed in the mounting disc 20 in a scattering manner, one end of each dredging rod 21, which is far away from the mounting disc 20, penetrates through the outer wall of the mounting disc 20, one end of each dredging rod 21, which is close to the mounting disc 20, penetrates through the second limiting sleeve 203, a limiting block 210 is arranged at the joint of each dredging rod 21 and the second limiting sleeve 203, a return spring 211 is sleeved on each dredging rod 21, a second connecting gear 212 is slidably sleeved on each dredging rod 21, one end of the return spring 211 is abutted against the inner wall of the mounting disc 20, the other end and stopper 210 butt, the one end that each dredge pole 21 kept away from mounting disc 20 all is provided with pointed end, through setting up pointed end, is convenient for clear up hard plug in the sieve mesh 13. A plurality of spiral plates 215 are uniformly arranged on one end of each dredging rod 21 far away from the mounting plate 20 in the circumferential direction, and when the dredging rod 21 runs through the sieve holes 13, the dredging rod rotates under the action of the second connecting gear ring 213, pollutants attached to the inner walls of the sieve holes 13 can be completely removed by using the spiral plates 215, so that the recharging efficiency of the main sieve tube 1 to geothermal water is improved; the number of the first main gears 222 is two, the two main gears 222 are connected through a connecting sleeve 223, the pushing mechanism 24 comprises pushing arc plates 240 and connecting screw rods 241, the number of the pushing arc plates 240 is 4, the 4 pushing arc plates 240 are uniformly distributed in the mounting disc 20 and are located between the first limiting sleeve 202 and the second limiting sleeve 203, the outer side of each pushing arc plate 240 is abutted to each dredging rod 21, a sliding clamping groove is formed in the connection position of the pushing arc plate 240 and the dredging rod 21, and the stability of connection between the dredging rod 21 and the pushing arc plates 240 can be improved by the arrangement of the sliding clamping groove; the inner side of each pushing arc plate 240 is provided with two threaded sleeves 242, the number of the connecting screw rods 241 is corresponding to the number of the pushing arc plates 240, one end of each connecting screw rod 241 is threaded with the threaded sleeves 242 after penetrating through the first limiting sleeve 202, the other end of each connecting screw rod 241 is provided with a first connecting gear 2410, the two connecting screw rods 241 on the same pushing arc plate 240 are respectively engaged with the two first main gears 222 through the first connecting gear 2410, the two groups of dredging rods 21 are arranged, so that the cleaning efficiency of the dredging rods 21 on the sieve holes 13 on the main sieve tube 1 can be improved, the second motor 23 is arranged in the mounting shell 11, the two sides of the end cover 10 are both vertically provided with the lifting screw rods 230, the two lifting screw rods 230 penetrate through the end cover 10 and then are in threaded connection with the two connecting thread blocks 201, and the tops of the two lifting screw rods 230 and the output shaft of the second motor 23 are in transmission through a belt; the connecting sleeve 223 is sleeved with a second main gear 224, two second connecting gear rings 213 are movably arranged between the upper layer of dredging rod 21 and the lower layer of dredging rod 21, the two second connecting gear rings 213 are respectively meshed with the second connecting gears 212 on the upper side and the lower side of the dredging rod 21, two third connecting gears 214 are symmetrically arranged between the two second connecting gear rings 213, connecting shafts 2140 are respectively arranged on the two third connecting gears 214, and the other ends of the two connecting shafts 2140 respectively penetrate through the pushing plate 240 and the first limiting sleeve 202 and are respectively meshed with the second main gear 224 through fourth connecting gears 2141; when the rotating shaft 221 rotates, the second main gear 224 is driven to rotate, so as to drive each connecting shaft 2140 to rotate, and the third connecting gear 214 on the connecting shaft 2140 is utilized to drive the two second connecting gear rings 213 to rotate, so that each dredging rod 21 can rotate, and the cleaning of pollutants blocked inside the sieve pores 13 is facilitated; the upper end of the rotating shaft 221 is sleeved with a defoaming cone 25 and a defoaming disc 26, the defoaming cone 25 is uniformly provided with a plurality of first guide plates 250 in the circumferential direction, the defoaming disc 26 is positioned at the lower end of the defoaming cone 25, the defoaming disc 26 is uniformly provided with a plurality of second guide plates 260, the first guide plates 250 and the second guide plates 260 are uniformly arranged at intervals, when local hot water enters the first sieve tube 1 through the recharging tube 12, the local hot water firstly falls on the defoaming cone 25 and then falls into the main sieve tube 1 from the defoaming disc 26 in the circumferential direction under the action of the first guide plates 250 and the second guide plates 260, so that the situation that the geothermal water directly enters the main sieve tube 1 to generate foam to block water layer gaps of the recharging well is avoided;
as shown in fig. 1 and 9, the cleaning assembly 3 includes a rotating cutting sleeve 30, a connecting ring 31 and a rotating sleeve 32, the rotating cutting sleeve 30 is clamped at the lower end of the mounting disc 20, the inner ring of the connecting ring 31 is fixedly connected with the lower end of the rotating cutting sleeve 30, the rotating sleeve 32 is rotatably clamped at the upper end of the edge of the connecting ring 31, a first connecting gear ring 320 is arranged at the inner side of the rotating sleeve 32, a cleaning brush head 321 is arranged at the outer side of the rotating sleeve 32, the cleaning brush head 321 is abutted against the inner wall of the main sieve tube 1, two lifting screw rods 230 penetrate through the connecting ring 31, and driving gears 2300 are slidably clamped at the connection positions of the two lifting screw rods 230 and the connecting ring 31; the controller is respectively electrically connected with the first motor 22 and the second motor 23, the controller, the first motor 22 and the second motor 23 are all commercially available products, and the first motor 22 and the second motor 23 are both powered by an external power supply.
Example 2, a recharge well anti-clogging device for geothermal operation system as shown in fig. 2 and 10, comprising a main screen 1, a dredging assembly 2, a cleaning assembly 3, an auxiliary screen 4 and a controller; the bottom of the main sieve tube 1 is closed, the upper end of the main sieve tube is movably clamped with an end cover 10, the upper end of the end cover 10 is provided with an installation shell 11 and a recharge pipe 12, the recharge pipe 12 penetrates through the end cover 10, and the side wall of the main sieve tube 1 is uniformly provided with a plurality of sieve pores 13;
as shown in fig. 3, 4, 5, 6, 7, and 8, the dredging assembly 2 includes a mounting plate 20, a dredging rod 21, a first motor 22, a second motor 23, and a pushing mechanism 24, the first motor 22 is fixedly disposed at the center of the bottom of the main sieve tube 1 through a waterproof housing 220, an output shaft of the first motor 22 is vertically disposed and fixedly connected with a rotating shaft 221, the mounting plate 20 is hollow inside, a shaft sleeve 200 is rotatably clamped at the center of the mounting plate 20, the mounting plate 20 is slidably clamped on the rotating shaft 221 through the shaft sleeve 200, a ball 2000 is disposed at the connection between the shaft sleeve 200 and the rotating shaft 221, and by disposing the ball 2000, the resistance between the shaft sleeve 200 and the rotating shaft 221 during the lifting process of the mounting plate 20 can be reduced; a first main gear 222 is slidably clamped on a rotating shaft 221 positioned in the mounting disc 20, connecting threaded blocks 201 are symmetrically arranged on the side wall of the mounting disc 20, a first limiting sleeve 202 and a second limiting sleeve 203 are sequentially arranged in the mounting disc 20 from inside to outside, two groups of 12 dredging rods 21 are arranged, each group of dredging rods 21 is divided into an upper layer and a lower layer in the mounting disc 20, each layer of dredging rods 21 is uniformly distributed in the mounting disc 20 in a scattering manner, one end of each dredging rod 21, which is far away from the mounting disc 20, penetrates through the outer wall of the mounting disc 20, one end of each dredging rod 21, which is close to the mounting disc 20, penetrates through the second limiting sleeve 203, a limiting block 210 is arranged at the joint of each dredging rod 21 and the second limiting sleeve 203, a return spring 211 is sleeved on each dredging rod 21, a second connecting gear 212 is slidably sleeved on each dredging rod 21, one end of the return spring 211 is abutted against the inner wall of the mounting disc 20, the other end and stopper 210 butt, the one end that each dredge pole 21 kept away from mounting disc 20 all is provided with pointed end, through setting up pointed end, is convenient for clear up hard plug in the sieve mesh 13. A plurality of spiral plates 215 are uniformly arranged on one end of each dredging rod 21 far away from the mounting plate 20 in the circumferential direction, and when the dredging rod 21 runs through the sieve holes 13, the dredging rod rotates under the action of the second connecting gear ring 213, pollutants attached to the inner walls of the sieve holes 13 can be completely removed by using the spiral plates 215, so that the recharging efficiency of the main sieve tube 1 to geothermal water is improved; the number of the first main gears 222 is two, the two main gears 222 are connected through a connecting sleeve 223, the pushing mechanism 24 comprises pushing arc plates 240 and connecting screw rods 241, the number of the pushing arc plates 240 is 4, the 4 pushing arc plates 240 are uniformly distributed in the mounting disc 20 and are located between the first limiting sleeve 202 and the second limiting sleeve 203, the outer side of each pushing arc plate 240 is abutted to each dredging rod 21, a sliding clamping groove is formed in the connection position of the pushing arc plate 240 and the dredging rod 21, and the stability of connection between the dredging rod 21 and the pushing arc plates 240 can be improved by the arrangement of the sliding clamping groove; the inner side of each pushing arc plate 240 is provided with two threaded sleeves 242, the number of the connecting screw rods 241 is corresponding to the number of the pushing arc plates 240, one end of each connecting screw rod 241 is threaded with the threaded sleeves 242 after penetrating through the first limiting sleeve 202, the other end of each connecting screw rod 241 is provided with a first connecting gear 2410, the two connecting screw rods 241 on the same pushing arc plate 240 are respectively engaged with the two first main gears 222 through the first connecting gear 2410, the two groups of dredging rods 21 are arranged, so that the cleaning efficiency of the dredging rods 21 on the sieve holes 13 on the main sieve tube 1 can be improved, the second motor 23 is arranged in the mounting shell 11, the two sides of the end cover 10 are both vertically provided with the lifting screw rods 230, the two lifting screw rods 230 penetrate through the end cover 10 and then are in threaded connection with the two connecting thread blocks 201, and the tops of the two lifting screw rods 230 and the output shaft of the second motor 23 are in transmission through a belt; the connecting sleeve 223 is sleeved with a second main gear 224, two second connecting gear rings 213 are movably arranged between the upper layer of dredging rod 21 and the lower layer of dredging rod 21, the two second connecting gear rings 213 are respectively meshed with the second connecting gears 212 on the upper side and the lower side of the dredging rod 21, two third connecting gears 214 are symmetrically arranged between the two second connecting gear rings 213, connecting shafts 2140 are respectively arranged on the two third connecting gears 214, and the other ends of the two connecting shafts 2140 respectively penetrate through the pushing plate 240 and the first limiting sleeve 202 and are respectively meshed with the second main gear 224 through fourth connecting gears 2141; when the rotating shaft 221 rotates, the second main gear 224 is driven to rotate, so as to drive each connecting shaft 2140 to rotate, and the third connecting gear 214 on the connecting shaft 2140 is utilized to drive the two second connecting gear rings 213 to rotate, so that each dredging rod 21 can rotate, and the cleaning of pollutants blocked inside the sieve pores 13 is facilitated; the upper end of the rotating shaft 221 is sleeved with a defoaming cone 25 and a defoaming disc 26, the defoaming cone 25 is uniformly provided with a plurality of first guide plates 250 in the circumferential direction, the defoaming disc 26 is positioned at the lower end of the defoaming cone 25, the defoaming disc 26 is uniformly provided with a plurality of second guide plates 260, the first guide plates 250 and the second guide plates 260 are uniformly arranged at intervals, when local hot water enters the first sieve tube 1 through the recharging tube 12, the local hot water firstly falls on the defoaming cone 25 and then falls into the main sieve tube 1 from the defoaming disc 26 in the circumferential direction under the action of the first guide plates 250 and the second guide plates 260, so that the situation that the geothermal water directly enters the main sieve tube 1 to generate foam to block water layer gaps of the recharging well is avoided;
as shown in fig. 9 and 10, the cleaning assembly 3 includes a rotating cutting sleeve 30, a connecting ring 31 and a rotating sleeve 32, the rotating cutting sleeve 30 is clamped at the lower end of the mounting disc 20, the inner ring of the connecting ring 31 is fixedly connected with the lower end of the rotating cutting sleeve 30, the rotating sleeve 32 is rotatably clamped at the upper end of the edge of the connecting ring 31, a first connecting gear ring 320 is arranged at the inner side of the rotating sleeve 32, a cleaning brush head 321 is arranged at the outer side of the rotating sleeve 32, the cleaning brush head 321 is abutted against the inner wall of the main sieve tube 1, two lifting screws 230 penetrate through the connecting ring 31, and driving gears 2300 are slidably clamped at the connection positions of the two lifting screws 230 and the connecting ring 31, and;
as shown in fig. 10, the auxiliary screen pipe 4 is connected to the lower end of the main screen pipe 1 through a connecting flange 14, a dredging component 2 and a cleaning component 3 are arranged inside the auxiliary screen pipe 4, a communicating channel 40 is arranged between the auxiliary screen pipe 4 and the main screen pipe 1, a lifting screw 230 inside the auxiliary screen pipe 4 is movably connected with a lifting screw 230 inside the main screen pipe 1 through a connecting chuck 41, and the auxiliary screen pipe 4 is arranged, so that the invention can be applied to recharging wells with different depths, the blocking risk of the recharging wells is reduced, and the recharging utilization rate of geothermal resources is improved; the controller is respectively electrically connected with the first motor 22 and the second motor 23, and the controller, the first motor 22 and the second motor 23 are all commercially available products; and the first motor 22 and the second motor 23 are both powered by an external power source.

Claims (9)

1. A recharge well anti-clogging device for a geothermal operation system is characterized by comprising a main sieve tube (1), a dredging component (2), a cleaning component (3) and a controller;
the bottom of the main sieve tube (1) is closed, the upper end of the main sieve tube is movably clamped with an end cover (10), the upper end of the end cover (10) is provided with an installation shell (11) and a recharge pipe (12), the recharge pipe (12) penetrates through the end cover (10), and the side wall of the main sieve tube (1) is uniformly provided with a plurality of sieve holes (13);
the dredging component (2) comprises a mounting disc (20), a dredging rod (21), a first motor (22), a second motor (23) and a pushing mechanism (24), wherein the first motor (22) is fixedly arranged at the center of the bottom in the main sieve tube (1) through a waterproof shell (220), an output shaft of the first motor (22) is vertically arranged and is fixedly connected with a rotating shaft (221), the mounting disc (20) is hollow, a shaft sleeve (200) is rotatably clamped at the center of the mounting disc (20), the mounting disc (20) is slidably clamped on the rotating shaft (221) through the shaft sleeve (200), a first main gear (222) is slidably clamped on the rotating shaft (221) in the mounting disc (20), connecting threaded blocks (201) are symmetrically arranged on the side wall of the mounting disc (20), a first limiting sleeve (202) and a second limiting sleeve (203) are sequentially arranged in the mounting disc (20) from inside to outside, the number of the dredging rods (21) is 8-16, the 8-16 dredging rods (21) are uniformly distributed in the mounting disc (20) in a scattering shape, one end, far away from the mounting disc (20), of each dredging rod (21) penetrates through the outer wall of the mounting disc (20), one end, close to the mounting disc (20), of each dredging rod (21) penetrates through the second limiting sleeve (203), a limiting block (210) is arranged at the joint of each dredging rod (21) and the second limiting sleeve (203), a reset spring (211) is sleeved on each dredging rod (21), one end of each reset spring (211) is abutted against the inner wall of the mounting disc (20), the other end of each reset spring is abutted against the limiting block (210), the pushing mechanism (24) comprises a pushing arc plate (240) and a connecting screw rod (241), the pushing arc plate (240) is provided with 2-5, and the 2-5 pushing arc plates (240) are uniformly distributed in the mounting disc (20), and is positioned between the first limit sleeve (202) and the second limit sleeve (203), the outer side of each pushing arc plate (240) is respectively abutted against each dredging rod (21), the inner side of each pushing arc plate (240) is provided with a thread bush (242), the number of the connecting screw rods (241) is correspondingly consistent with that of the pushing arc plates (240), one end of each connecting screw rod (241) is respectively penetrated through the first limit sleeve (202) and then is in threaded connection with the thread bush (242), the other end of each connecting screw rod (241) is provided with a first connecting gear (2410), each first connecting gear (2410) is respectively engaged with the first main gear (222), the second motor (23) is arranged in the mounting shell (11), the two sides of the end cover (10) are respectively and vertically provided with a lifting screw rod (230), and the two lifting screw rods (230) are penetrated through the end cover (10) and then are in threaded connection with the two connecting blocks (201), the tops of the two lifting screw rods (230) and an output shaft of the second motor (23) are in transmission through a belt;
the cleaning assembly (3) comprises a rotating clamping sleeve (30), a connecting ring (31) and a rotating sleeve (32), the rotating clamping sleeve (30) is clamped at the lower end of the mounting disc (20), the inner ring of the connecting ring (31) is fixedly connected with the lower end of the rotating clamping sleeve (30), the rotating sleeve (32) is rotatably clamped at the upper end of the edge of the connecting ring (31), a first connecting gear ring (320) is arranged on the inner side of the rotating sleeve (32), a cleaning brush head (321) is arranged on the outer side of the rotating sleeve, the cleaning brush head (321) is abutted to the inner wall of the main sieve tube (1), two lifting lead screws (230) penetrate through the connecting ring (31), a driving gear (2300) is slidably clamped at the connecting position of the two lifting lead screws (230) and the connecting ring (31), and the two driving gears (2300) are respectively meshed with the first connecting gear;
the controller is respectively electrically connected with the first motor (22) and the second motor (23).
2. The anti-clogging device for the recharge well of the geothermal operation system is characterized in that the dredging rods (21) are arranged in two groups, each group is 8-16, the two groups of dredging rods (21) are divided into an upper layer and a lower layer inside the mounting disc (20), the number of the first main gears (222) is two, the two main gears (222) are connected through a connecting sleeve (223), each pushing arc plate (240) is provided with two threaded sleeves (242), the number of the connecting screws (241) is corresponding to that of the threaded sleeves (242), and the two connecting screws (241) on the same pushing arc plate (240) are respectively meshed with the two first main gears (222) through the first connecting gear (2410).
3. A recharge well anti-plugging device for a geothermal operating system according to claim 2, it is characterized in that each dredging rod (21) is sleeved with a second connecting gear (212) in a sliding way, the connecting sleeve (223) is sleeved with a second main gear (224), two second connecting gear rings (213) are movably arranged between the upper layer of dredging rod and the lower layer of dredging rod (21), the two second connecting gear rings (213) are respectively meshed with second connecting gears (212) on the upper layer of dredging rod and the lower layer of dredging rod (21), two third connecting gears (214) are symmetrically arranged between the two second connecting gear rings (213), connecting shafts (2140) are respectively arranged on the two third connecting gears (214), the other ends of the two connecting shafts (2140) respectively penetrate through the pushing plate (240) and the first limiting sleeve (202), and are respectively meshed with the second main gear (224) through a fourth connecting gear (2141).
4. The anti-clogging device for the recharge well of the geothermal operation system is characterized in that the rotating shaft (221) is sleeved with a defoaming cone (25) and a defoaming disc (26), the defoaming cone (25) is circumferentially and uniformly provided with a plurality of first guide plates (250), the defoaming disc (26) is positioned at the lower end of the defoaming cone (25), the defoaming disc (26) is uniformly provided with a plurality of second guide plates (260), and the first guide plates (250) and the second guide plates (260) are uniformly arranged at intervals.
5. The anti-clogging device for a recharge well of a geothermal operating system according to claim 1, characterized in that the joint of the bushing (200) and the rotation shaft (221) is provided with balls (2000).
6. A recharge well anti-clogging device for a geothermal operating system according to claim 1, characterized in that the end of the dredging rod (21) remote from the mounting plate (20) is provided with a pointed end.
7. A recharge well anti-clogging device for a geothermal operating system according to claim 3, characterized in that the end of each said bars (21) remote from the mounting plate (20) is evenly provided circumferentially with a plurality of spiral plates (215).
8. The anti-blocking device for the recharge well of the geothermal operation system is characterized in that the lower end of the main screen pipe (1) is connected with an auxiliary screen pipe (4) through a connecting flange (14), the dredging component (2) and the cleaning component (3) are arranged inside the auxiliary screen pipe (4), a communicating channel (40) is arranged between the auxiliary screen pipe (4) and the main screen pipe (1), and a lifting screw rod (230) inside the auxiliary screen pipe (4) is movably connected with the lifting screw rod (230) inside the main screen pipe (1) through a connecting clamping head (41).
9. The anti-clogging device for the recharge well of a geothermal operating system according to claim 1, wherein the pushing arc plate (240) is provided with a sliding slot at the connection with the dredging rod (21).
CN202110503464.4A 2021-05-10 2021-05-10 A recharging well anti-clogging device for geothermal operation system Active CN113062298B (en)

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CN117905461B (en) * 2024-03-19 2024-06-18 山东宜美科节能服务有限责任公司 Geothermal sampling device

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