CN106401567A - Water level and water temperature automatic monitoring system based on superficial layer geothermal well - Google Patents

Water level and water temperature automatic monitoring system based on superficial layer geothermal well Download PDF

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Publication number
CN106401567A
CN106401567A CN201610771754.6A CN201610771754A CN106401567A CN 106401567 A CN106401567 A CN 106401567A CN 201610771754 A CN201610771754 A CN 201610771754A CN 106401567 A CN106401567 A CN 106401567A
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China
Prior art keywords
water
well
filter
level
geothermal well
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CN201610771754.6A
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CN106401567B (en
Inventor
刘艺辉
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Hunan Zhongda Jingwei Geothermal Development Science And Technology Co Ltd
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Hunan Zhongda Jingwei Geothermal Development Science And Technology Co Ltd
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/06Measuring temperature or pressure
    • E21B47/07Temperature
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices, or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B36/00Heating, cooling, insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/003Insulating arrangements
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/04Gravelling of wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/08Screens or liners
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/08Screens or liners
    • E21B43/084Screens comprising woven materials, e.g. mesh or cloth
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/08Screens or liners
    • E21B43/086Screens with preformed openings, e.g. slotted liners
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/08Screens or liners
    • E21B43/088Wire screens
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/04Measuring depth or liquid level
    • E21B47/047Liquid level
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling

Abstract

The invention provides a water level and water temperature automatic monitoring system based on a superficial layer geothermal well. The water level and water temperature automatic monitoring system based on the superficial layer geothermal well comprises a well cementation section and a geothermal well of a filter well section from up to down, and the well cementation section comprises well wall pipes six meters long; the filter well section comprises water permeable pipes six meters long, the space between the permeable well and a well body is filled with cobbles and a sediment well section five meters long is arranged at the bottom of the filter well section, the diameter of the sediment well section is smaller than the diameter of the well cementation section and the filter well section; a water temperature information collection device is arranged on a filter, the water information collection device comprises a water temperature sensor, and a thermosensitive resistance wire arranged on the water temperature sensor is wound on the outer surface of the filter; and a geothermal well opening is provided with a water level information collection device comprising an ultrasonic wave water level sensor and a general packet radio service (GPRS) module, and all monitoring information is transmitted to a servicer through the GPRS. The water level and water temperature automatic monitoring system based on the superficial layer geothermal well can accurately measure the water temperature of the geothermal well, measuring information is transmitted to the servicer in real time, and an accurate data foundation is provided for thermal energy application.

Description

A kind of water-level and water-temperature automatic monitoring system based on geothermal well
Technical field
The present invention relates to underground heat detection technique field is and in particular to a kind of supervised automatically based on the water-level and water-temperature of geothermal well Examining system.
Background technology
Underground heat energy is a kind of reproducible clean energy resource, and modal is exactly natural hot spring, is deeply favored by people, such as Modern underground heat energy is extensively applied in each field.
Geothermal well is the important step that geothermal energy resources are utilized, and for different geology, the casing programme of geothermal well is also not Identical to the greatest extent.The filtering function of geothermal well is most important to the utilization of follow-up underground heat, if silt enters in geothermal well, immersible pump Water containing silt is extracted out and is utilized, easily cause the damage of equipment, affect system operation, cause heavy losses;And, with The increasing number that silt enters in geothermal well, also result in hoistway and silt up, the normal use of impact geothermal well.
With to underground heat using requiring to be continuously increased, for the detection precise requirements more and more higher of ground end temperature.Mesh The method that front geotemperature detection adopts is that geothermal well well water is got the water temperature detection case of earth's surface by pumping, in water temperature detection In case, water temperature is detected, then detection information is directly entered system storage.This detection method has certain lacking Fall into, during groundwater mining, inevitably cause the loss of heat, lead to temperature measurement deviation larger, if Think accurate detection, need the water being extracted into earth's surface is suitably heated to measure again, cause heat energy loss.
Content of the invention
For defect of the prior art, the present invention provides a kind of water-level and water-temperature based on geothermal well automatically to monitor system System, energy accurate measurement underground heat Well Temperature, and by real-time for detection information upload server, be that heat energy applies the base that offers precise data Plinth.
A kind of water-level and water-temperature automatic monitoring system based on geothermal well that the present invention provides, wherein, geothermal well includes The well cementation section arranging from top to bottom and filter well section, well cementation section includes 6 meters of long wall casings, adopts between wall casing and well bore Cement mortar recharge;Filter well section includes 6 meters of long water-permeable pipes, is provided with filter between water-permeable pipe and well bore, and in water-permeable pipe Cobble is filled and well bore between;It is provided with 5 meters long of precipitation well section in filter well section bottom, the diameter of this precipitation well section is less than Described well cementation section and the diameter of filter well section;Water temperature information harvester, water temperature information harvester are provided with filter Including a RF radio-frequency module, the first controller, baroceptor and cooling-water temperature sensor;Cooling-water temperature sensor is provided with temperature-sensitive electricity Hinder silk, and this thermistor wire is wrapped on the outer surface of described filter;Geothermal well well head is provided with water level information collection dress Put, water level information harvester includes the 2nd RF radio-frequency module, second controller, ultrasonic water level sensor and GPRS mould Block;Cooling-water temperature sensor, baroceptor, a RF radio-frequency module are all electrically connected with the first controller;Ultrasonic water level senses Device, the 2nd RF radio-frequency module are all electrically connected with second controller;First RF radio-frequency module and the 2nd RF radio-frequency module wirelessly connect Connect;Detection information is transferred to server by GPRS module by second controller.
In the present invention, geothermal well is followed successively by well cementation section, filter well section and precipitation well section from top to bottom, and geothermal well is built The geologic structure of position is divided into 5 meters of farinose argillic horizon, the argillaceous siltstoue layer of 7 meters of boulder bed and 5 meters from top to bottom, Loosely organized due to farinose argillic horizon, and water content is few, therefore in order to ensure the stability of casing programme, and prevent cold Water enters in geothermal well, well cementation section depth is set to 6 meters, and is entered by the way of 6 meters of long wall casings and recharge cement mortar Row is reinforced;Water content due to boulder bed is enriched, and therefore arranges, in boulder bed, the filter well section that depth is 6 meters, long using 6 meters Water-permeable pipe reinforce, between water-permeable pipe and well bore setting filter can by subsoil water silt intercept water-permeable pipe with Between well bore, prevent silt from entering in geothermal well, and fill cobble between water-permeable pipe and well bore, to be further ensured that filter The stability of well section, simultaneously because implant is identical with the main component of geology residing for filter well section, does not interfere with subsoil water Circulation;5 meters long of precipitation well section is set in filter well section bottom, when filter hydraulic performance decline, inevitably has Silt enters in geothermal well, now, because the density of silt is more than the density of water, therefore under gravity, silt meeting Fall in the bottom of precipitation well section, blood circulation will not be entered by diving pumped, improve the quality at water source in geothermal well, due to Argillaceous siltstoue is more hard, and therefore this precipitation well section is designed as open hole, and its diameter is less than well cementation section and filter well section Diameter, can save the construction cost of geothermal well while ensureing casing programme intensity.Water temperature letter is installed on the filter Breath harvester, the information such as the water level of main collection geothermal well, water temperature and air pressure, so this water temperature information harvester includes Power supply, baroceptor and cooling-water temperature sensor, simultaneously need to by the information transfer of collection to server, thus this water temperature information Harvester also includes a RF radio-frequency module and the first controller, controls baroceptor and water temperature sensing by the first controller Device detection atmospheric pressure information and water temperature information;Cooling-water temperature sensor, using longer thermistor wire, allows it be wrapped in filter On outer surface, accurate measurement water temperature can be accomplished;The present invention detection information is transferred to by server using GPRS module it is contemplated that The underground mining situation of GPRS jitter, is provided with water level information harvester in geothermal well well head, and water level information is adopted Acquisition means are provided with the 2nd RF radio-frequency module, and a RF radio-frequency module and the 2nd RF radio-frequency module wirelessly connect, and reaching data has The purpose of effect transmission;The water temperature information of water temperature information harvester collection and atmospheric pressure information pass through a RF radio-frequency module and the The transmission of two RF radio-frequency modules, the water level information controlling ultrasonic water level sensor detection with second controller passes through after integrating GPRS transmission is to server.
Alternatively, in the water-level and water-temperature automatic monitoring system based on geothermal well described above, filter includes one Level defecator and two-stage filter, first level filtering device includes base pipe, protection block reinforcement and bag net, cloth on basic tube wall It is equipped with permeable hole, protection block reinforcement is vertically welded in basic pipe outer wall, it is outer and solid with iron wire winding that bag net is wrapped in protection block reinforcement Fixed;Two-stage filter includes inner tube, outer tube, dividing plate and filter element, and outer tube wall is disposed with permeable hole, and outer tube top is provided with Suspension ring, dividing plate will be divided into multiple chambers between inner tube and outer tube, the upper and lower end opening of chamber, and filter element is filled in the chamber;Outer tube Top is provided with annular outer tube excrescence outwardly, base pipe be provided with inwardly projecting ring foundation pipe excrescence and Excrescence under base pipe, outer tube excrescence is pressed on excrescence on base pipe, and outer pipe bottom is pressed on excrescence under base pipe.
The filter that the present invention is used for geothermal well includes first level filtering device and two-stage filter.Wherein single filter dress Put and silt is slightly considered, be mainly used in filtering out oarse-grained sand, basic tube wall has been evenly arranged permeable hole, bag net It is wrapped in pipe outer, subsoil water will enter in thermal source well, first have to the permeable hole two-layer through bag net and base pipe and filter, filter out Oarse-grained sand.Two-stage filter carries out essence worry to silt, is mainly used in filtering out tiny silt, two-stage filter Including inner tube, outer tube, dividing plate and filter element, inner tube is coaxially arranged with outside, and dividing plate is the connecting framework of inner tube and outer tube, will simultaneously Space between inner tube and outer tube is divided into multiple cavities, filling filter element in cavity, by such design, makes whole cascade filtration Device is an entirety, sound construction;Two-stage filter is mainly by the filter being located in the permeable hole and chamber on outer tube wall Core two-layer filters, and inner pipe wall is not provided with permeable hole, and chamber upper and lower end is uncovered, after subsoil water enters chamber, along along chamber, Lower flowing, discharges from chamber upper and lower end, by such design, extends flow path in filter element for the subsoil water, improve Filter effect.First level filtering device filter opening is larger, is not easily blocked, and can filter out bulky grain sand, and two-stage filter filter opening is little, Easily block, tiny silt can be filtered out, by the way of this classified filtering, more thoroughly can filter out sand, and energy Reduce the probability of plugged filter.Outer tube is passed down through excrescence inner circle on base pipe, and outer tube excrescence is pressed on base pipe prominent Go out on body, outer pipe bottom is pressed on excrescence under base pipe, so that two-stage filter and first level filtering device is combined together, and And between them, all it is lined with rubber cushion, rubber cushion, good sealing effect are compacted by the deadweight of two-stage filter, silt will not be from gap Flow out.Two-stage filter is integral design, can separate with excrescence under excrescence on base pipe and base pipe easily, can lead to Cross the suspension ring being arranged on outer tube top two-stage filter is integrally hung out thermal source well and be carried out, keep in repair or change, clean, tie up Again two-stage filter is hung in thermal source well after repairing or changing, be used in combination with first level filtering device, thus solving Good consider sand effect and filter opening easily block between contradiction.
Alternatively, in the water-level and water-temperature automatic monitoring system based on geothermal well described above, filter element is rustless steel Filter element, the outer wall of inner tube and dividing plate are provided with fixture outwardly, and fixture is used for fixing described rustless steel filter element.Institute The cross-sectional area stating each chamber is equal.Rustless steel filter element has good strainability, and the underground water energy after filtration meets system System use requirement, its corrosion resistance, thermostability, resistance to pressure, wearability be good, can meet severe underground environment, its core pore uniformly, Accurate filtering accuracy, the flow of unit area is big, can improve the efficiency of fine straining, improves filter efficiency, permissible after its cleaning Reuse, free of replacement, economize on resources, reduces cost;Subsoil water after coarse filtration after the permeable hole of outer tube enters chamber, along chamber The upper and lower flowing in room, through the uncovered discharge of chamber, filter element is susceptible to displacement, conglomeration, and fixture plays fixing work to rustless steel filter element With, during filtration, the flowing of water will not make filter element be subjected to displacement, filter element will not conglomeration, thus ensure that the normal work of filter element, carry High filter effect;And the cross-sectional area of each chamber is equal, the water yield of turnover chamber uniformly, can lift the effect of filtration further Fruit and efficiency.
Alternatively, in the water-level and water-temperature automatic monitoring system based on geothermal well described above, the permeable hole of outer tube For circular port, left and right two row of described circular port mutually stagger.Using bar hole, coarse filtration can be met and require, left and right adjacent two rows Mutually stagger, so that permeable hole is more evenly distributed, filter the subsoil water of entrance base pipe also evenly, filtration can be lifted further Effect and efficiency.
Alternatively, the outer surface of described interior wall casing is provided with solar energy heat absorbing coating.Due to interior wall casing directly contact Water source in geothermal well, leads to its outer surface to have higher temperature, and solar energy heat absorbing coating can preferably absorb infrared ray, from And the outer surface in interior wall casing forms a heat build-up layer, in reduction, the heat of wall casing overflows, and further increases insulation effect Really.
Alternatively, in the water-level and water-temperature automatic monitoring system based on geothermal well described above, appearance in base pipe Face, the surface of the surfaces externally and internally of inner tube, the surfaces externally and internally of outer tube and permeable hole all scribble corrosion-resistant coating.The environment of underground is general all Relatively more severe, corrosivity are stronger, in base pipe surfaces externally and internally, the surfaces externally and internally of inner tube, the surfaces externally and internally of outer tube and permeable hole These part one layer of corrosion-resistant coatings of painting with subsoil water or soil directly contact of surface, can reduce the corrosion of filter component, prolong Long life.
Alternatively, in the water-level and water-temperature automatic monitoring system based on geothermal well described above, wall casing includes outer Wall casing and interior wall casing, described interior wall casing is connected with described outer wall casing by fixed support, described outer wall casing and interior It is provided with heat-insulation layer between wall casing.Because well cementation section is in the top of well bore, the temperature on this stratum is relatively low, the water in geothermal well Source touches wall casing and heat will be led to scatter and disappear, and therefore, at well cementation section, setting heat-insulation layer can effectively prevent underground heat WIH The loss of source heat.
Alternatively, in the water-level and water-temperature automatic monitoring system based on geothermal well described above, heat-insulation layer is poly- ammonia Ester foaming layer.Using the polyurethane insulation coating that foaming technique is formed between outer wall casing and interior wall casing, there is good insulation effect Really, disclosure satisfy that long insulation demand, and polyurethane material have good wearability, resistance to ag(e)ing and cohesive, Go for the use environment of geothermal well.
Alternatively, in the water-level and water-temperature automatic monitoring system based on geothermal well described above, also include for described The power supply that water temperature information harvester and water level information harvester are powered, all using high-temperature-reslithium lithium battery, this is high temperature resistant for power supply The heatproof upper limit of lithium battery is 150 degrees Celsius.Because water temperature information harvester is to invade bubble in geothermal well well water, if commonly Lithium battery is in hot environment service life for a long time and can greatly shorten, and is possible to cause the pollution at water source, therefore needs The heat resistance of lithium battery to be considered, thus have selected the high-temperature resistant lithium battery that the heatproof upper limit is 150 degrees Celsius.
Alternatively, above-mentioned based in the water-level and water-temperature automatic monitoring system of geothermal well, the inner surface of outer wall casing sets It is equipped with infrared-reflecting coated.The infrared reflection coating of outer wall casing inner surface setting can be to the infrared ray of polyurethane insulation coating Reflected, reduced the diffusion of polyurethane insulation coating heat, improved heat insulation effect.
Beneficial effect:The present invention provide a kind of water-level and water-temperature automatic monitoring system based on geothermal well, including from Up to it is arranged with down the geothermal well of well cementation section and filter well section, well cementation section includes 6 meters of long wall casings;Filter well section includes 6 meters of long water-permeable pipes, fill cobble between water-permeable pipe and well bore;Filter well section bottom is provided with 5 meters of long sedimentations Section, the diameter of this precipitation well section is less than the diameter of well cementation section and filter well section;Water temperature information collection dress is provided with filter Put, water temperature information harvester includes cooling-water temperature sensor;The thermistor wire of cooling-water temperature sensor setting is wrapped in filter On outer surface;Geothermal well well head is provided with water level information harvester, and water level information harvester includes ultrasonic water level sensing Device and GPRS module;All detection informations are transferred to server by GPRS module.Beneficial effect:Can accurate measurement geothermal well Water temperature, and by real-time for detection information upload server, be that heat energy applies the basis that offers precise data.
Brief description
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete In embodiment or description of the prior art, the accompanying drawing of required use is briefly described.
Fig. 1 is a kind of geothermal well structural representation of the water-level and water-temperature automatic monitoring system based on geothermal well of the present invention Figure;
Fig. 2 is a kind of water-level and water-temperature automatic monitoring system structural representation based on geothermal well of the present invention;
Fig. 3 is a kind of structural representation of the wall casing of the water-level and water-temperature automatic monitoring system based on geothermal well of the present invention Figure;
A kind of sectional structure of the filter of the heat pump water-level and water-temperature automatic monitoring system based on geothermal well of Fig. 4 present invention shows It is intended to;
Fig. 5 is the A-A sectional view of Fig. 4;
Fig. 6 is the B-B sectional view of Fig. 4;
Fig. 7 is the C-C sectional view of Fig. 4;
Fig. 8 is the base pipe of filter and cascade filtration in groundwater heat pump water-level and water-temperature automatic monitoring system of the present invention The structural representation that device combines;
Fig. 9 is the knot of the two-stage filter of filter in groundwater heat pump water-level and water-temperature automatic monitoring system of the present invention Structure schematic diagram.
Reference:
1- wall casing;2- water-permeable pipe;3- filter;A- water temperature information harvester;B- water level information harvester;
The outer wall casing of 11-;Wall casing in 12-;13- fixed support;14- polyurethane insulation coating;15- infrared reflection applies Layer;16- solar energy heat absorbing coating;31- base pipe;32- protects block reinforcement;33- bag net;34- iron wire;35- outer tube;36- inner tube; 37- chamber;38- dividing plate;39- permeable hole;
Excrescence on 311- base pipe;Excrescence under 312- base pipe;351- outer tube excrescence;352- suspension ring;361- is solid Determine part;A41- thermistor wire
Specific embodiment
Below in conjunction with accompanying drawing, the embodiment of technical solution of the present invention is described in detail.Following examples are only used for Clearly technical scheme is described, is therefore intended only as example, and the protection of the present invention can not be limited with this Scope.
Embodiment 1:
See figures.1.and.2, the invention provides a kind of water-level and water-temperature automatic monitoring system based on geothermal well, The main component of the geologic structure of geothermal well construction position selecting in embodiment is followed successively by 5 meters of silty clay from top to bottom Layer, the argillaceous siltstoue layer of 7 meters of boulder bed and 5 meters, wherein, farinose argillic horizon loosely organized, water content is few, boulder bed Structure is also loose, but aqueous abundant, the structure relative close of argillaceous siltstoue, and stability is preferable;Therefore, in order to ensure well bore The quality at water source in the stability of structure and geothermal well, provided in an embodiment of the present invention a kind of based on farinose argillic horizon, boulder bed, The geothermal well of argillaceous siltstoue multilamellar geology, is followed successively by well cementation section, filter well section and precipitation well section from top to bottom, wherein cements the well Section is 6 meters, is correspondingly reinforced using 6 meters long of wall casing 1, adopts cement mortar recharge, to improve between wall casing 1 and well bore The stability of geothermal well;Filter well section is 6 meters, is correspondingly reinforced using 6 meters long of water-permeable pipe 2, water-permeable pipe 2 and well bore it Between be provided with filter 3, and between water-permeable pipe 2 and well bore fill cobble, consolidate the stability of casing programme, boulder bed further In subsoil water be flowed in geothermal well via filter 3 from the hole water-permeable pipe 2, the quality of groundwater after filtration obtains Improve, in water, the content of silt is greatly decreased, the follow-up utilization demand to the water source in geothermal well can be met;Precipitation well section is 5 The open hole of rice, its diameter is less than the diameter of well cementation section and filter well section, when filter hydraulic performance decline, inevitably has Silt enters in geothermal well, now, because the density of silt is more than the density of water, therefore under gravity, silt meeting Fall in the bottom of precipitation well section, blood circulation will not be entered by diving pumped, further ensure the matter at water source in geothermal well Amount.
For information such as the water level of this geothermal well of accurate measurement and water temperatures, it is mounted with water temperature information collection dress on the filter Put a, water temperature information harvester a is internally provided with a RF radio-frequency module, the first controller, baroceptor, water temperature sensing Device and power supply;Cooling-water temperature sensor is provided with thermistor wire a41, and this thermistor wire a41 is wrapped in the appearance of filter 3 On face;The well head of geothermal well is provided with water level information harvester b, water level information harvester b is internally provided with second RF radio-frequency module, second controller, ultrasonic water level sensor, GPRS module and power supply;Wherein, cooling-water temperature sensor, air pressure Sensor, a RF radio-frequency module and power supply are all electrically connected with the first controller;Ultrasonic water level sensor, the 2nd RF penetrate Frequency module and power supply are all electrically connected with second controller;First RF radio-frequency module and the 2nd RF radio-frequency module wirelessly connect, Pass through RF signal transmission information for realizing two modules;Detection information is transferred to clothes by described GPRS module by second controller Business device;The present invention, using GPRS module, detection information is transferred to server it is contemplated that underground mining GPRS jitter Situation, employs a RF radio-frequency module and the 2nd RF radio-frequency module block wirelessly connects, and two modules are on same vertical curve, Thus reaching the purpose of data effectively transmission;The water temperature information of water temperature information harvester a collection and atmospheric pressure information pass through the One RF radio-frequency module and the transmission of the 2nd RF radio-frequency module, control the water level of ultrasonic water level sensor detection with second controller Pass through GPRS transmission to server after information integration.
Above-mentioned power supply is also included based on the heat pump water-level and water-temperature automatic monitoring system of geothermal well, this power supply is adopted for water temperature information Acquisition means and water level information harvester are powered, and power supply is all using high-temperature-reslithium lithium battery, the heatproof upper limit of this high-temperature-reslithium lithium battery For 150 degrees Celsius.Because water temperature information harvester is to invade bubble in geothermal well well water, if common lithium battery is in for a long time Hot environment service life can greatly shorten, and is possible to cause the pollution at water source it is therefore desirable to consider the resistance to of lithium battery Warm nature energy, thus have selected the high-temperature resistant lithium battery that the heatproof upper limit is 150 degrees Celsius.
With reference to Fig. 3, described wall casing 1 includes outer wall casing 11 and interior wall casing 12, and this interior wall casing 12 passes through fixing Frame 13 is connected with outer wall casing 11, is provided with the polyurethane insulation coating that foaming is formed between outer wall casing 11 and interior wall casing 12 14, because well cementation section is in the top of well bore, the temperature on this stratum is relatively low, and the water source in geothermal well touches interior wall casing 12 will Heat can be led to scatter and disappear, therefore, setting heat-insulation layer can effectively prevent the loss of water source heat in geothermal well at well cementation section;Described The inner surface of outer wall casing 11 is provided with infrared-reflecting coated 15, and this infrared-reflecting coated 15 is to be with thermoset resin material Film formation at low temp material, with low melting point and low-expansion coefficient special crown glass binding agent as high temperature bonding material, through special process Processing preparation a kind of that there is infrared external reflection function, high temperature resistant, caking property is strong and organo-mineral complexing of nontoxic pollution-free applies Layer, can reflect to the infrared ray of polyurethane insulation coating 14, reduce the diffusion of polyurethane insulation coating 14 heat, improve insulation Effect;Due to the water source in interior wall casing 12 directly contact geothermal well, its outer surface is led to have higher temperature, therefore described The outer surface of interior wall casing 12 is provided with solar energy heat absorbing coating 16, preferably can absorb infrared ray, thus in interior wall casing 12 Outer surface formed a heat build-up layer, in reduction wall casing 12 heat overflow, further increase heat insulation effect, this solar energy Heat absorbing coating 16 is the anodized coating of steel, has the characteristics that humidity it is adaptable to use environment in geothermal well.Above-mentioned outer Wall casing 11 and interior wall casing 12 are stainless steel, can improve the intensity of casing programme, prevent well bore from caving in, and not Rust steel matter has preferable corrosion resistance, goes for complicated water source environment in geothermal well, extends the use of geothermal well Life-span;Further, since the environment of underground typically all compares badly, the corrosivity at the water source in geothermal well are stronger, therefore above-mentioned The inner surface setting of interior wall casing 12 has corrosion-inhibiting coating, to protect to it further, extends its service life.The present embodiment , with polyurethane modified epoxy resin as substrate, with mica iron oxide red for main color stuffing, it is to stainless for the corrosion-inhibiting coating adopting Steel surface has stronger adhesive force, can work for a long time and do not fall off under the moist environment of geothermal well;Outside described filter 3 Surface one is wound with thermistor wire a41 with enclosing an area, and this thermistor wire a41 is covered with the outer surface of whole filter 3, can essence Really measure the water temperature of geothermal well.
Reference picture 4-9, described filter includes first level filtering device and two-stage filter, and two-stage filter is arranged at In first level filtering device;First level filtering device includes base pipe 31, protection block reinforcement 32 and the bag net 33 of circle, base pipe 31 tube wall On be evenly arranged permeable hole 39, permeable hole 39 is bar hole, and upper and lower adjacent two rows mutually stagger, and protection block reinforcement 32 is using straight Footpath is the antirust round steel of 4mm, is vertically welded on base pipe 31 outer wall, and its spacing is 20mm, and bag net 33 is nylon yarn bag net 33, It is wrapped on protection block reinforcement 32 and base pipe 31 outer wall, the scope that bag net 33 vertically wraps up is more than the scope of protection block reinforcement 32, bag Net 33 external galvanized wire 34 is fastened in protection block reinforcement 32 and base pipe 31 outer wall with 10mm spacing;Two-stage filter Including inner tube 36, outer tube 35, dividing plate 38 and filter element, inner tube 36 and outer tube 35 are pipe, and inner tube 36 and outer tube 35 are coaxially disposed, Permeable hole 39 has been evenly arranged on outer tube 35 tube wall, permeable hole 39 be circular port, left and right two row mutually stagger, base pipe saturating The discharge area in water hole 39 is more than the discharge area of the permeable hole 39 of outer tube, and outer tube 35 top is provided with four suspension ring 352, dividing plate 38 one end are fixedly connected with inner tube 36 outer wall, and dividing plate 38 other end is fixedly connected with outer tube 35 inwall, dividing plate 38 by inner tube 36 with It is divided into the equal chamber of multiple cross-sectional areas 37, filter element adopts rustless steel filter element, is filled in chamber 37, chamber between outer tube 35 Room 37 upper and lower side is uncovered, for discharging the water after filter element filtering, the outer wall of inner tube 36 and dividing plate 38 is provided with to evagination The fixture 361 going out, fixture 361 is used for fixing rustless steel filter element, base pipe 31 surfaces externally and internally, the surfaces externally and internally of inner tube 36, The surface of the surfaces externally and internally of outer tube 35 and permeable hole 39 all scribbles corrosion-resistant coating;Outer tube 35 top is provided with annular outwardly Outer tube excrescence 351, base pipe 31 is provided with excrescence under excrescence 311 and base pipe on inwardly projecting ring foundation pipe 312, outer tube 35 is passed down through excrescence 311 inner circle on base pipe, and outer tube excrescence 351 is pressed on excrescence 311 on base pipe, Outer tube 35 bottom is pressed on excrescence 312 under base pipe, and base pipe is lined with glue between excrescence 311 and outer tube excrescence 351 Pad, is lined with rubber cushion between excrescence 312 and outer tube 35 bottom under base pipe.
Wherein first level filtering device carries out coarse filtration to silt, is mainly used in filtering out oarse-grained sand;Base pipe 31 is managed Bar shaped permeable hole 39 has been evenly arranged on wall, upper and lower adjacent two rows mutually stagger, and so that permeable hole 39 is more evenly distributed, filter into Enter the subsoil water of base pipe 31 also evenly, nylon yarn bag net 33 passes through to protect block reinforcement 32 pad, is wrapped in outside pipe, uses galvanized iron Silk 34 is fixing, and subsoil water will enter in geothermal well, first has to the permeable hole 39 two-layer mistake through nylon yarn bag net 33 and base pipe Filter, filters out oarse-grained sand.Two-stage filter carries out fine straining to silt, is mainly used in filtering out tiny silt, and two Level defecator includes inner tube 36, outer tube 35, dividing plate 38 and filter element, and inner tube 36 is coaxially arranged with outer tube 35, and dividing plate 38 is inner tube 36 with the connecting framework of outer tube 35, the space between inner tube 36 and outer tube 35 is divided into the equal chamber of multiple cross-sectional areas simultaneously 37, filtered by such segmentation, each chamber 37 water yield uniformly, can lift the effect filtering and efficiency, the interior filling of chamber 37 is not Rust steel filter element, by such design, makes whole two-stage filter be an entirety, sound construction;Meanwhile, rustless steel filter element There is good strainability, the underground water energy after filtration meets system use requirement, its corrosion resistance, thermostability, resistance to pressure, resistance to Mill property is good, can meet severe underground environment, its core pore is uniform, accurate filtering accuracy, and the flow of unit area is big, can carry The efficiency of high fine straining, meets system water demand, can reuse after its cleaning, free of replacement, economizes on resources, reduces cost; Two-stage filter filters mainly by the filter element two-layer in the permeable hole 39 and chamber 37 being located on outer tube 35 tube wall, permeable hole 39 Upper and lower adjacent two row mutually stagger, and so that permeable hole 39 is more evenly distributed, enter the subsoil water of chamber 37 also evenly;Base pipe Permeable hole 39 discharge area be more than outer tube permeable hole 39 discharge area, can guarantee that coarse filtration provides enough water for fine straining Amount, lifts filter efficiency;Inner tube 36 is not provided with permeable hole 39, chamber 37 upper and lower end opening, after subsoil water enters chamber 37, to Flowing in chamber 37 two ends, discharges from chamber 37 upper and lower end, by such design, extend flowing in filter element for the subsoil water Path, improves filter effect, and because, in filter process, filter element is susceptible to displacement, conglomeration, fixture 361 is filtered to rustless steel Core plays fixation, and during filtration, the flowing of water will not make filter element be subjected to displacement, filter element will not conglomeration, thus ensure that filter element Normal work, improves filter effect;The environment of underground typically all compares badly, and corrosivity are stronger, appearance in base pipe 31 Face, the surfaces externally and internally of inner tube 36, the surfaces externally and internally of outer tube 35 and permeable hole 39 surface these directly connect with subsoil water or soil Tactile part applies one layer of corrosion-resistant coating, can reduce the corrosion of filter component, increase the service life.
First level filtering device filter opening is larger, is not easily blocked, and can filter out bulky grain sand, and two-stage filter filter opening is little, Easily block, tiny silt can be filtered out, by the way of this classified filtering, more thoroughly can filter out sand, and energy Reduce the probability of plugged filter.
Outer tube 35 is passed down through excrescence 311 inner circle on base pipe, and outer tube excrescence 351 is pressed in excrescence on base pipe On 311, outer tube 35 bottom is pressed on excrescence 312 under base pipe, by this dismountable mode by two-stage filter and First level filtering device is combined together, in combination with being all lined with rubber cushion between position, by the deadweight compacting of two-stage filter Rubber cushion, good sealing effect, silt will not flow out from gap;Two-stage filter and first level filtering device detachably separate, permissible Two-stage filter is integrally lifted cleaning, maintenance by the suspension ring 352 of outer tube 35 top setting or change, cleaning, maintenance Or hang in two-stage filter in geothermal well again after changing, it is used in combination with first level filtering device, thus improve The quality at water source in geothermal well.
Preferably, in specific implementation process, water level information harvester a and water temperature information harvester b power supply source Directly can be powered with 220V electric wire;Server is connected with display device, facilitates monitoring personnel to check monitoring information at any time.
A kind of water-level and water-temperature automatic monitoring system based on geothermal well that the present invention provides, including arranging from top to bottom There is the geothermal well of well cementation section and filter well section, well cementation section includes 6 meters of long wall casings;Filter well section includes 6 meters long saturating Water pipe, fills cobble between water-permeable pipe and well bore;It is provided with 5 meters long of precipitation well section, this precipitation in filter well section bottom The diameter of well section is less than the diameter of well cementation section and filter well section;Water temperature information harvester is provided with filter, water temperature is believed Breath harvester includes cooling-water temperature sensor;The thermistor wire of cooling-water temperature sensor setting is wound around in the outer surface of the filter; Geothermal well well head is provided with water level information harvester, and water level information harvester includes ultrasonic water level sensor and GPRS Module;All detection informations are transferred to server by GPRS module.Beneficial effect:Energy accurate measurement underground heat Well Temperature, and will The real-time upload server of detection information, is that heat energy applies the basis that offers precise data.
Finally it should be noted that:Various embodiments above only in order to technical scheme to be described, is not intended to limit;To the greatest extent Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that:Its according to So the technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is entered Row equivalent;And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology The scope of scheme, it all should be covered in the middle of the claim of the present invention and the scope of description.

Claims (10)

1. a kind of water-level and water-temperature automatic monitoring system based on geothermal well is it is characterised in that include geothermal well;Described underground heat Well is arranged with well cementation section and filter well section from top to bottom, and described well cementation section includes 6 meters of long wall casings, described wall casing and well Cement mortar recharge is adopted between body;Described filter well section includes 6 meters of long water-permeable pipes, is provided between described water-permeable pipe and well bore Filter, and fill cobble between water-permeable pipe and well bore;Described filter well section bottom is provided with 5 meters of long sedimentations Section, the diameter of this precipitation well section is less than the diameter of described well cementation section and filter well section;
Water temperature information harvester is provided with described filter, described water temperature information harvester includes a RF radio frequency mould Block, the first controller, baroceptor and cooling-water temperature sensor;Described cooling-water temperature sensor is provided with thermistor wire, and this heat Quick resistance wire is wrapped on the outer surface of described filter;Described geothermal well well head is provided with water level information harvester, described Water level information harvester includes the 2nd RF radio-frequency module, second controller, ultrasonic water level sensor and GPRS module;
Described cooling-water temperature sensor, baroceptor, a RF radio-frequency module are all electrically connected with described first controller;Described super Sound wave water level sensor, the 2nd RF radio-frequency module are all electrically connected with described second controller;A described RF radio-frequency module and 2nd RF radio-frequency module wirelessly connects;Detection information is transferred to server by described GPRS module by described second controller.
2. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 1 is it is characterised in that described Filter includes first level filtering device and two-stage filter, and first level filtering device includes base pipe, protection block reinforcement and bag net, base Permeable hole is disposed with plinth tube wall, protection block reinforcement is vertically welded in basic pipe outer wall, and bag net is wrapped in outside protection block reinforcement simultaneously It is fastened with iron wire;Two-stage filter includes inner tube, outer tube, dividing plate and filter element, outer tube wall is disposed with permeable hole, outward Pipe top is provided with suspension ring, and dividing plate will be divided into multiple chambers between inner tube and outer tube, the upper and lower end opening of chamber, and filter element is filled in In chamber;Outer tube top is provided with annular outer tube excrescence outwardly, and base pipe is provided with inwardly projecting ring foundation Excrescence under excrescence and base pipe on pipe, outer tube excrescence is pressed on excrescence on base pipe, and outer pipe bottom is pressed in base pipe On lower excrescence.
3. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 2 is it is characterised in that described Filter element is rustless steel filter element, the outer wall of said inner tube and dividing plate is provided with fixture outwardly, described fixture is used for Fixing described rustless steel filter element.
4. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 3 is it is characterised in that described The permeable hole of base pipe is bar hole, and described bar hole upper and lower adjacent two rows mutually stagger.
5. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 4 is it is characterised in that described The outer surface of interior wall casing is provided with solar energy heat absorbing coating.
6. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 5 is it is characterised in that described Base pipe surfaces externally and internally, the surface of the surfaces externally and internally of inner tube, the surfaces externally and internally of outer tube and permeable hole all scribble corrosion-resistant coating.
7. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 6 is it is characterised in that described Wall casing includes outer wall casing and interior wall casing, and described interior wall casing is connected with described outer wall casing by fixed support, described It is provided with heat-insulation layer between outer wall casing and interior wall casing.
8. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 7 is it is characterised in that described Heat-insulation layer is polyurethane foaming layer.
9. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 8 is it is characterised in that described All using high-temperature-reslithium lithium battery, the heatproof upper limit of this high-temperature-reslithium lithium battery is 150 degrees Celsius to power supply.
10. the water-level and water-temperature automatic monitoring system based on geothermal well according to claim 9 is it is characterised in that institute State outer wall casing inner surface setting have infrared-reflecting coated.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106643967A (en) * 2017-02-21 2017-05-10 广西蓝天科技股份有限公司 Protecting hole for monitoring underground water level, hole sealing device and combination method thereof
CN106930753A (en) * 2017-03-24 2017-07-07 中国矿业大学(北京) A kind of opencast coal mine dump water level real-time monitoring system and its foundation and application method
CN110644985A (en) * 2019-08-25 2020-01-03 青海中煤地质工程有限责任公司 Simple water pumping device for hydrogeological exploration and water pumping test method
CN111677502A (en) * 2020-06-01 2020-09-18 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 Water level measuring device and pumping test system
CN113009875A (en) * 2021-02-22 2021-06-22 嘉兴市沐城化工有限公司 Shallow geothermal data acquisition device
CN113175319A (en) * 2021-05-06 2021-07-27 湖北省地质局武汉水文地质工程地质大队 Automatic monitoring system and method for middle-deep geothermal well
CN113341818A (en) * 2021-06-16 2021-09-03 山东省地质环境监测总站(山东省地质灾害防治技术指导中心) System and method for monitoring geothermal energy of middle and deep layers
CN116163714A (en) * 2022-12-30 2023-05-26 陕西兴正伟新能源科技有限公司 Wireless water level measuring instrument under wellhead closed condition of geothermal well

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364232A (en) * 1979-12-03 1982-12-21 Itzhak Sheinbaum Flowing geothermal wells and heat recovery systems
CN1587861A (en) * 2004-09-24 2005-03-02 天津大学 Well head system for geothermal tertiary system sandstone recharge
CN101929326A (en) * 2010-08-16 2010-12-29 邯郸市伟业地热开发有限公司 Geothermal well layer-by-layer filter material feeding process
CN102251760A (en) * 2011-04-12 2011-11-23 邯郸市伟业地热开发有限公司 Loose bed and bedrock layer mixed water-intaking and well-forming process for geothermal well
CN103883248A (en) * 2014-04-08 2014-06-25 贵州盘江煤层气开发利用有限责任公司 Geothermal well completion method
CN203822272U (en) * 2014-05-05 2014-09-10 贵州省煤层气页岩气工程技术研究中心 Expandable filling sieve tube suitable for geothermal well
CN204085623U (en) * 2014-07-29 2015-01-07 天津东丽湖能源科技有限公司 The groundwater level monitoring device of underground heat
CN105275406A (en) * 2014-06-19 2016-01-27 中国石油化工股份有限公司 Heat insulation well completion device and method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364232A (en) * 1979-12-03 1982-12-21 Itzhak Sheinbaum Flowing geothermal wells and heat recovery systems
CN1587861A (en) * 2004-09-24 2005-03-02 天津大学 Well head system for geothermal tertiary system sandstone recharge
CN101929326A (en) * 2010-08-16 2010-12-29 邯郸市伟业地热开发有限公司 Geothermal well layer-by-layer filter material feeding process
CN102251760A (en) * 2011-04-12 2011-11-23 邯郸市伟业地热开发有限公司 Loose bed and bedrock layer mixed water-intaking and well-forming process for geothermal well
CN103883248A (en) * 2014-04-08 2014-06-25 贵州盘江煤层气开发利用有限责任公司 Geothermal well completion method
CN203822272U (en) * 2014-05-05 2014-09-10 贵州省煤层气页岩气工程技术研究中心 Expandable filling sieve tube suitable for geothermal well
CN105275406A (en) * 2014-06-19 2016-01-27 中国石油化工股份有限公司 Heat insulation well completion device and method
CN204085623U (en) * 2014-07-29 2015-01-07 天津东丽湖能源科技有限公司 The groundwater level monitoring device of underground heat

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106643967A (en) * 2017-02-21 2017-05-10 广西蓝天科技股份有限公司 Protecting hole for monitoring underground water level, hole sealing device and combination method thereof
CN106930753A (en) * 2017-03-24 2017-07-07 中国矿业大学(北京) A kind of opencast coal mine dump water level real-time monitoring system and its foundation and application method
CN110644985A (en) * 2019-08-25 2020-01-03 青海中煤地质工程有限责任公司 Simple water pumping device for hydrogeological exploration and water pumping test method
CN111677502A (en) * 2020-06-01 2020-09-18 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 Water level measuring device and pumping test system
CN113009875A (en) * 2021-02-22 2021-06-22 嘉兴市沐城化工有限公司 Shallow geothermal data acquisition device
CN113175319A (en) * 2021-05-06 2021-07-27 湖北省地质局武汉水文地质工程地质大队 Automatic monitoring system and method for middle-deep geothermal well
CN113341818A (en) * 2021-06-16 2021-09-03 山东省地质环境监测总站(山东省地质灾害防治技术指导中心) System and method for monitoring geothermal energy of middle and deep layers
CN116163714A (en) * 2022-12-30 2023-05-26 陕西兴正伟新能源科技有限公司 Wireless water level measuring instrument under wellhead closed condition of geothermal well
CN116163714B (en) * 2022-12-30 2023-08-01 陕西兴正伟新能源科技有限公司 Wireless water level measuring instrument under wellhead closed condition of geothermal well

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