262 results about "Geothermal water" patented technology

The invention discloses a multi-branch middle-deep geothermal well efficient heat exchange system which comprises a main well, a plurality of branch wells and heat exchange pipes extending downwards in the main well in the vertical direction. The main well comprises a first well opening section and a second well opening section, the first well opening section extends downwards from the ground in the vertical direction to be communicated with an upper port of the second well opening section, a lower port of the second well opening section extends downwards in the vertical direction to a geothermal water layer, and an upper port of each branch well is communicated with the second well opening section. The lower port of each branch well obliquely and downwards extends to the geothermal water layer in the direction gradually away from the second opening well section; the vertical distances between the upper ports of the multiple branch wells and the ground are different, and a heat conduction metal stranded wire is arranged in each branch well in the extension direction of the branch well. The medium-deep geothermal well is designed to be of a multi-branch directional well structure, the heat conduction metal stranded wires are arranged in the branch wells in the extension directions of the branch wells, and therefore the geothermal energy taking capacity and the heat transfer efficiency of the stratum far away from the medium-deep geothermal well are greatly improved.

The invention discloses a geothermal hot spring pool thermovolt power generation and water temperature regulation and control combined system which comprises a hot spring pool and a thermovolt power generation device. A thermal insulation wall is arranged in the hot spring pool, the hot spring pool is divided into a hot spring power generation battery and a hot spring recuperating pool through the thermal insulation wall, and the thermovolt power generation device is arranged in the hot spring power generation battery; a geothermal water inlet is formed in the hot spring generating battery, and high-temperature geothermal water enters the hot spring generating battery through the geothermal water inlet; a temperature control valve system is arranged in the hot spring recuperation pool and used for controlling the temperature of hot water entering the hot spring recuperation pool. The pulsating heat pipe and the thermovolt power generation technology are creatively integrated, natural hot spring heat energy is fully utilized, temperature difference energy between hot spring water and cold water is utilized to the maximum extent before the temperature is reduced to the comfortable temperature of a human body, and the pulsating heat pipe is utilized to effectively increase the heat exchange area and heat extraction capacity; meanwhile, the thermovolt power generation chip is adopted to directly convert hot spring heat energy into electric energy, and the dual functions of hot spring water temperature adjustment and geothermal power generation utilization are achieved.

The invention belongs to the technical field of geothermal energy development and utilization, and particularly relates to a separated ultra-deep geothermal water extraction and utilization device which comprises a base, an adjustable supporting mechanism is arranged on the base, a winch is arranged on the adjustable supporting mechanism, a sliding rod piece is arranged in a closed mine, and the winch is used for conveying the sliding rod piece to the bottom of the closed mine. A clamping mechanism used for fixing the sliding rod piece is arranged on one side of the base. The sliding rod piece is vertically arranged, a plurality of supporting plate assemblies are connected to the sliding rod piece in a sliding mode, the other ends of the supporting plate assemblies are fixedly connected to a rope on the winch, a water pumping device is arranged on the lowest supporting plate assembly, transfer water pumping devices are arranged on the rest supporting plate assemblies, and the water pumping device is communicated with the transfer water pumping devices. The device is high in reliability, can be repeatedly used, is low in cost input, and can solve the problem that hot water is difficult to extract when a mine is closed in an ultra-deep manner.

The invention relates to a thermoelectric double-storage energy supply system. The thermoelectric double-storage energy supply system integrates a double-water-turbine design of a production well and a recharge well. The system intelligently responds to power grid electricity price fluctuation and heat supply requirements, and the working mode of the water turbine is flexibly adjusted. In the thermoelectric linkage optimization stage, when the electricity price is in a low ebb, the first water turbine extracts geothermal water to supply heat, and residual heat is stored in the heat and electricity storage water tank and the water storage tank to deal with the electricity price peak. And meanwhile, the second water turbine reversely generates power by utilizing geothermal tail water and feeds back to the power grid. In the energy storage and release optimization stage, the two water turbines work cooperatively in the electricity price off-peak period, and electric energy is converted into potential energy to be stored in the water tank. At the peak of electricity price, the high-position potential energy water in the water tank is released, and the stored potential energy is converted into electric energy through reverse operation of the water turbine to provide stable power supply for a power grid. According to the system, dual storage of heat and electricity is realized, the consumption contribution to distributed new energy photovoltaic wind power utilization is improved, the light and electricity abandoning quantity is reduced, and the distributed new energy power generation of a power grid and the electrical load of a building are balanced.

The invention belongs to the technical field of new energy development and utilization, and particularly relates to a rural residence geothermal gradient utilization heating system which comprises a water collecting pump arranged in a water collecting well and used for collecting geothermal water in the water collecting well; the settling tower is communicated with the water outlet end of the water collecting pump and is used for filtering and settling the geothermal water collected by the water collecting pump; the inlet end of the flash evaporation heat exchange system is communicated with the settling tower, and the flash evaporation heat exchange system is used for circulating geothermal water and enabling the geothermal water to exchange heat with the cascade heat supply system; the cascade heat supply system is used for supplying heat to the indoor system by utilizing heat obtained by heat exchange with geothermal water; a water heater; the stepped heat supply system conducts heat preservation on the outdoor water pipe through heat obtained through heat exchange with geothermal water. The problems that the heat exchanger is seriously scaled, the heat exchange effect is invalid, even the heat exchanger is corroded and the temperature of recharged geothermal tail water is high due to the fact that existing geothermal heating is directly conducted through a plate heat exchanger can be solved.

The geothermal reservoir recharge system comprises a geothermal well used for discharging geothermal water; the recharge well is connected with the geothermal well through a geothermal pipeline, the distance between the recharge well and the geothermal well is larger than or equal to 100 m, and the recharge flow of geothermal water, leading to the recharge well, of the geothermal pipeline is smaller than or equal to 100 m < 3 > / h; the filtering device comprises a sand remover, a first filter and a second filter, the filtering diameter of the second filter is smaller than that of the first filter, the sand remover, the first filter and the second filter are sequentially arranged on the geothermal pipeline in the direction away from the geothermal well, the sand remover is adjacent to the geothermal well, and the first filter and the second filter are adjacent to the recharge well; and the heat exchanger is connected with the geothermal pipeline and the heated pipeline, so that geothermal water in the geothermal pipeline can heat the working medium in the heated pipeline through the heat exchanger. Therefore, according to the geothermal reservoir recharge system, blockage of the recharge well during recharge can be reduced conveniently, and the influence on the geothermal reservoir is reduced.

The utility model discloses a multi-energy coupling rock-soil energy storage cyclic utilization system, which relates to the technical field of geothermal devices and comprises a heat pump host, an office water end, a domestic water end, a solar heat collection system and a rock-soil energy storage cyclic utilization system. A geothermal water supply pipe and a geothermal water return pipe are connected between the rock-soil energy storage recycling system and the heat pump main machine, and a heat supply water supply pipe and a heat supply water return pipe are connected between the other end of the heat pump main machine and the office water end. The multi-energy coupling rock-soil energy storage cyclic utilization system has the functions of heating in winter and refrigerating in summer, and aims at the problem of cold and heat imbalance, the solar heat collection system is assisted to supplement heat load in winter, and the solar heat collection system simultaneously meets the requirement of domestic hot water.

The invention discloses a permeable energy pile and a ground source heat pump system, and relates to the field of geothermal energy application, the permeable energy pile comprises a pipe pile cavity, a cold water pipe and a hot water pipe, the pipe pile cavity is used for being arranged in a saturated soil body, and a separation part is arranged in the pipe pile cavity to divide the pipe pile cavity into an upper permeable cavity and a lower permeable cavity in the vertical direction; the lower water-permeable cavity is located below the diving surface of the saturated soil body, and a plurality of water-permeable holes are formed in the peripheral side wall of the upper water-permeable cavity and the peripheral side wall of the lower water-permeable cavity; the cold water pipe is inserted into the tubular pile cavity, the water inlet end of the cold water pipe is connected with a cold water source, and the water outlet end of the cold water pipe is located in the upper permeable cavity and used for conveying cold water to the upper permeable cavity; the hot water pipe is inserted into the pipe pile cavity, the water inlet end of the hot water pipe is located in the lower permeable cavity and used for collecting geothermal water flowing into the lower permeable cavity from the saturated soil body, and the water outlet end of the hot water pipe is used for being connected with an indoor heating terminal; therefore, heat exchange between the cold water and the saturated soil body is achieved, the heat exchange efficiency is greatly improved, and the heat exchange time is shortened.

The invention relates to a geothermal recharge water multi-effect treatment system, which comprises a desanding and filtering unit, a water supply unit, a water supply unit and a water supply unit, wherein the desanding and filtering unit is used for discharging impurity particles in geothermal water; the water inlet and the water outlet are located on the two sides of the tank body, the spiral pipe is located in the tank body, can rotate and enables impurity particles to be separated from water, and the drain outlet is located at the bottom of the tank body and used for discharging the impurity particles. The high-frequency electric field generating unit is located on the inner wall of the tank body and used for removing old scales in geothermal water and inhibiting generation of new scales, and a middle electrostatic field formed by the high-frequency electric field generating unit is parallel to the direction of the water inlet; the ultrasonic degassing unit is positioned on the inner wall of the tank body and is used for removing dissolved oxygen in geothermal water; and the ultraviolet sterilization unit is positioned in the water outlet. Compared with the prior art, the device has the advantages of integrating the functions of sand removal, scale removal and prevention, sterilization, degassing and the like.

The invention discloses a geothermal water layer quality rapid identification method and system based on an algorithm model, belongs to the technical field of geological exploration, and aims to correct logging curve data of a thermal reservoir research well area, effectively avoid possible system errors in a logging data acquisition process, including improper operation modes or instrument self-measurement errors and the like. Standardized logging data can more remarkably reflect regional geologic features compared with original data, principal component analysis is conducted on sample data through a PCA method, an original sample space is reconstructed according to the contribution rate of principal components, the dimensionality of an input space is effectively reduced, meanwhile, the correlation between variables of the input space is eliminated, and the accuracy of the input space is improved. The identification precision is improved; according to the method, the recognition accuracy is greatly improved, a more scientific and reliable method is provided for well logging data thermal reservoir recognition, and the method has practical significance in exploring geothermal resource development.

The invention relates to a working parameter linkage regulation and control method and system for a medium-deep geothermal water source heat pump, in particular to the field of medium-deep geothermal water source heat pumps, firstly, disturbance signals are generated through reinforcement learning and injected into a geothermal loop, and therefore the dynamic mapping precision of an underground heat reservoir is improved; secondly, the thermal diffusion coefficient and the fracture rate of the rock stratum are inversed through the physical information neural network model, and real-time monitoring of underground thermal storage is achieved; secondly, predicting the difference between the heat supply load and the geothermal heat absorption capacity by using the meteorological data, the room temperature data and the heat pump operation parameters, generating a regulation and control decision, and setting a grading trigger condition; and finally, a phase change heat storage device and a compressor are precisely regulated and controlled through a double-actuator collaborative algorithm, the response speed and energy efficiency of the heat pump system are improved to the maximum extent, the room temperature fluctuation problem is relieved, frequent frequency modulation is avoided, starting of a standby boiler is reduced, and therefore the operation efficiency and stability of the heat supply system are optimized.

The invention provides a green compound scale inhibitor for geothermal fluid. The compound scale inhibitor comprises modified polyaspartic acid, high-hydrolysis polymaleic anhydride, polyepoxysuccinic acid and polyacrylic acid. According to the environment-friendly compound scale inhibitor for the geothermal fluid, the modified polyaspartic acid, the high-hydrolysis polymaleic anhydride, the polyepoxysuccinic acid and the polyacrylic acid are compounded, a good synergistic effect is achieved, scale inhibition is achieved through chelation solubilization and lattice distortion, the scale inhibition advantage in actual geothermal water is obvious, and the environment-friendly compound scale inhibitor has a good actual popularization value.

The invention relates to the field of geothermal water detection, and discloses a geothermal water supply source and circulation depth calculation and determination method, which is used for solving the problem of result deviation caused by influence of bottom layer heat conductivity change during geothermal water source and depth determination, and comprises the following steps of: calculating a representative index of each geothermal well; selecting a representative geothermal well according to the representative index, collecting a final geothermal water sample of the representative geothermal well, carrying out water chemical analysis on the final geothermal water sample, carrying out isotopic tracing analysis on the final geothermal water sample according to a water chemical analysis result, and regularly measuring hydrogen isotope values of a plurality of rainfall sampling points. The gradient of the hydrogen isotope changing along with the elevation is obtained, the geothermal water supply elevation is calculated according to the elevation effect of the hydrogen isotope, a distributed hydrological model is combined with GIS space analysis, the supply area range is optimized, and the scientificity and rationality of geothermal resource development are effectively improved.

The invention belongs to the technical field of terrestrial heat application, and particularly relates to an underground heat removal device. The underground heat removal device comprises a heat exchange unit used for exchanging heat with geothermal water; the outer oil pipe is arranged at the upper part of the heat exchange unit; the inner oil pipe is arranged in the outer oil pipe, the two ends of a first annular space between the inner oil pipe and the inner oil pipe are sealed, and a vacuumizing opening communicated with the first annular space is formed in the outer oil pipe.

The invention discloses a coal mine gas collaborative anti-reflection extraction method, which belongs to the field of coal mine gas extraction, and comprises the following steps: S1, drilling a plurality of vertical drilling wells and a plurality of horizontal drilling wells in a coal seam area to form a three-dimensional drilling network; s2, composite electric field fracturing is conducted, specifically, transient impact is conducted through a high-voltage pulse electric field, and then low-frequency electromagnetic waves are introduced for continuous action; s3, geothermal water in the underground abandoned mine is pumped through a high-pressure pump, the geothermal water is heated to the set temperature through a heat pump and then mixed with high-pressure nitrogen, the mixture is introduced into a wellhead of the three-dimensional well drilling network in a pulse mode, and water is pumped out after the set time and returned and conveyed into the underground abandoned mine; and S4, gas is extracted from the wellhead position through negative pressure adsorption equipment. By the adoption of the coal mine gas collaborative anti-reflection extraction method, advanced technologies such as a three-dimensional well drilling network, composite electric field fracturing and pulse type geothermal water and nitrogen mixed injection are combined, and the extraction rate is greatly increased.

The invention relates to a zero-carbon intelligent agricultural development and utilization system and method based on gradient utilization of energy. The system comprises a geothermal well selection and arrangement module, a geothermal water collection and pretreatment module, a heat exchange module, a gradient utilization system construction module, a hot water circulation and reuse module, a working condition flexible adjustment module, an intelligent regulation and control module, a hot spring utilization and recharge system and a system energy storage module. The problems of energy waste, high carbon emission and insufficient agricultural suitability in the traditional technology are solved, and low carbonization and high efficiency of agricultural production are realized.

The utility model provides a coaxial heat exchange device for medium-deep geothermal energy, and mainly relates to the technical field of geothermal energy development. A coaxial heat exchange device for medium-deep geothermal energy comprises a well pipe, a connecting pipe is fixedly arranged at the top of the well pipe, an outer pipe is fixedly arranged at the top of the connecting pipe, a reducer pipe is fixedly arranged in the outer pipe and close to the top, an inner pipe is fixedly arranged at the bottom of the reducer pipe, a circulating pipe is arranged in the inner pipe, and the circulating pipe penetrates through the outer pipe and the reducer pipe. Spiral blades are arranged on the outer ring of the circulating pipe in an array mode. The utility model has the beneficial effects that the coaxial heat exchange technology is adopted, geothermal water does not need to be extracted, tail water does not need to be recharged, the ground is prevented from settling, and the damage to the geological environment is small; and all the spiral fins are driven to rotate through flowing heat exchange, so that the disturbance effect is achieved, uniform heating is guaranteed, and the heat exchange effect is improved.

The utility model discloses a geothermal water recharging device which comprises a bottom plate, a backflow well and a water storage tank, the left side of the top of the bottom plate is fixedly connected with the bottom of the backflow well, the right side of the top of the bottom plate is fixedly connected with two hydraulic rods, and the piston ends of the hydraulic rods are fixedly connected with the two sides of the bottom of the water storage tank. The hydraulic rod is arranged and started, so that the hydraulic rod drives the water storage tank to move upwards, the height difference is generated between the water storage tank and the backflow well, and then the water in the water storage tank continuously flows to a lower position through the water guide pipe by utilizing siphoning, so that the water is recharged into the backflow well; the problems that a user needs to start a plurality of pressure pumps for a long time to recharge water in the water storage tank into the recharge well to cause loss of a large amount of electric power, and the use cost and the maintenance cost are increased due to the fact that the plurality of pressure pumps need to be used cooperatively are solved, and the effects of saving the electric power and automatically flowing and recharging are achieved.

A method for removing scale that is precipitated from geothermal fluid containing dissolved silica and becomes adherent in a geothermal power plant including: a water supply pump for pumping the geothermal fluid from a production well; a gas-water separator for separating the geothermal fluid into geothermal water and geothermal steam; and a turbine for rotating by being supplied with the geothermal steam separated by the gas-water separator includes: forming a surface of a location in the geothermal power plant contacted by the geothermal fluid from diamond-like carbon in a first region extending from the production well to the turbine; forming at least the surface of the location in the geothermal power plant from at least one selected from diamond-like carbon, polytetrafluoroethylene, and polyvinyl chloride in a region other than the first region; and injecting a scale removing liquid into a flow path including the surface of the location.

The invention provides a composite hydrogel lithium ion sieve and a preparation method thereof, and belongs to the technical field of lithium ion sieve adsorption. The catalyst is characterized in that the active component of the ion sieve is H2TiO3, the binder is polyacrylamide (PAM), and the ion sieve is uniformly dispersed in the polyacrylamide. The composite lithium ion sieve is used for selective adsorption extraction of lithium ions in low-concentration geothermal water, oil and gas field water, salt lake brine and seawater. The H2TiO3 and PAM composite lithium ion sieve provided by the invention has the advantages of high adsorption capacity, good structural stability, high selectivity for salt lake brine with a high magnesium-lithium ratio, easiness in separation of the composite ion sieve from a liquid solution and good regeneration repeatability, and has a good industrial application prospect.

The application discloses a device and method for unblocking sandstone geothermal well based on gas-liquid mixture, and relates to the technical field of geothermal water recycling.The device comprises a geothermal recharge well, a pump vehicle, an air compressor, a water tank, a filter tank, a sand remover, a water collecting pipeline, a valve and a pipeline.The pipeline comprises an input pipeline and an output pipeline.The one end of the pump vehicle and the air compressor are connected with the geothermal recharge well through the input pipeline.The other end of the geothermal recharge well is connected with the sand remover through the output pipeline.The other end of the sand remover is connected with the filter tank through the pipeline.The other end of the filter tank is connected with the first end of the water tank through the pipeline.The second end of the water tank is connected with the other end of the pump vehicle through the pipeline.The third end of the water tank is connected with the water collecting pipeline through the valve.The application has the advantages of obvious improvement of unblocking effect of the sandstone geothermal recharge well, shortened operation period, saved operation cost, environmental protection effect, and prolonged service life of the sandstone geothermal recharge well.

The invention discloses a geothermal water multi-factor remote sensing detection method, system and device, a medium and a product, and the method comprises the steps: obtaining a thermal radiation anomaly index and a surface temperature anomaly index through multi-temporal thermal infrared preliminary screening and surface temperature inversion; the method comprises the following steps: extracting a vegetation stress index VIBS by utilizing the characteristic that terrestrial heat inhibits vegetation, and obtaining a comprehensive altered mineral index MI according to mineral alteration characteristics and a spectral unmixing method; based on ALOS PALSAR, a fracture-fracture zone is extracted, and a construction advantage degree SF is quantified; gRACE gravity image data are introduced to form hydrological favorable degree HF; geothermal water indication characteristics are integrated, multi-factor scoring and grading are fused to obtain a comprehensive geothermal anomaly distribution map, and finally boundary refinement and field verification are carried out through unmanned aerial vehicle thermal infrared / multispectral aerial survey. According to the method, false detection and missing detection can be remarkably reduced, and the accuracy and field efficiency of geothermal anomaly recognition are improved.

The invention relates to the technical field of water treatment in geothermal resource development, in particular to geothermal water desanding equipment for geothermal utilization, which comprises a pressure regulating mechanism, a multi-stage separation mechanism and a detection mechanism. Wherein the pressure regulating mechanism is used for regulating the pressure of geothermal water through a reducing pipeline and a pressure balancing assembly; the multi-stage separation mechanism is composed of a rotational flow cavity assembly, a filtering assembly and a precipitation assembly, and efficient solid-liquid separation is achieved; the detection mechanism comprises a detection module and an adjusting device and monitors and adjusts the operation state in real time. The effect of effectively removing sand grains in geothermal water is achieved, the water quality purity is remarkably improved, meanwhile, the equipment blockage risk is reduced, and the utilization rate of geothermal resources and the system stability are improved.

The invention belongs to the technical field of geological storage of CO2, and particularly relates to a system and a method for mineralizing and storing CO2 by utilizing geothermal tail water. The invention discloses a system for mineralizing and sealing CO2 by utilizing geothermal tail water. The system comprises a CO2 mixing device and a geothermal water treatment device, a tail water inlet, a gas inlet and a liquid outlet are formed in the CO2 mixing device; the geothermal water treatment device is a geothermal heating or geothermal power generation device and is provided with a geothermal water inlet and a tail water outlet; the tail water inlet is communicated with the tail water outlet through a tail water conveying pipeline, the gas inlet is communicated with the CO2 gas collecting device through a gas pipeline, and the liquid outlet is communicated with the injection well through a liquid pipeline; the CO2 gas collecting device is connected with one end of a CO2 pipeline, the other end of the CO2 pipeline extends into the injection well, and a CO2 ejector is fixed in the injection well; and the geothermal water inlet is communicated with the geothermal water mining well through a pipeline. According to the system and method, geothermal resources in deep karst heat storage are exploited, and the requirement of the society for clean energy can be met.

The invention provides a thermoelectric helium trigeneration system based on medium-deep geothermal energy ORC power generation. Comprising a modular integrated straight ORC generator set, a heating system, a helium separation pressure storage system, an air cooling / ground cooling composite system and a recharge system. According to the system, a modular integrated direct ORC generator set is adopted, geothermal water directly enters the generator set, an air cooling / geothermal cooling composite cooling cost-reducing and efficiency-increasing technology is arranged, part of heat which is originally lost through an air cooling system is stored underground, cross-seasonal heat storage is achieved, and the energy efficiency and economical efficiency of the system are remarkably improved; and a geothermal helium extraction process system is integrated, so that diversified and efficient utilization of geothermal energy is realized. The system is a poly-generation process technology integrating heat supply, helium extraction and geothermal power generation, and application of geothermal power generation and helium extraction is achieved.

The invention discloses a system and a method for efficiently removing iron from make-up water of an offshore heavy oil thermal recovery boiler. The structure of the system is as follows: an electrochemical reactor, a compact cyclone air floater, a heat exchanger, an inorganic ultrafiltration membrane, a primary reverse osmosis membrane, an ion exchanger membrane and a thermal deaerator are connected in sequence; and the compact cyclone air floater is also connected with a bypass inlet for inputting seawater / geothermal water. The method comprises the following steps: seawater / geothermal water is introduced into an electrochemical reactor in the system and is treated by a compact cyclone air floater, a heat exchanger, an inorganic ultrafiltration membrane, a primary reverse osmosis membrane, an ion exchanger and a thermal deaerator in sequence, and produced water meets the water inlet requirement of an offshore thermal recovery boiler. The method comprises the following steps: oxidizing ferrous ions in water into iron ions through an electrochemical reactor, and then adjusting the pH value to convert the iron ions into ferric hydroxide; according to the present invention, the electrochemical oxidation is performed on the incoming water, the generated strong oxidizing free radicals can demulsify the dissolved oil in the water, and then the oil is removed in the cyclone air flotation so as to reduce the pollution of the oil to the rear end membrane;

The invention provides a gas-liquid-solid separation device for geothermal water, and relates to the field of geothermal water separation. The geothermal water-gas-liquid-solid separation device comprises a treatment mechanism, a separation mechanism and a collection mechanism, the treatment mechanism comprises a treatment box, a water inlet pipe is fixedly connected to one side of the top end of the treatment box, a plurality of sludge pipes are arranged at the bottom end of the interior of the treatment box, and sewage discharge branch pipes are fixedly connected to the bottom ends of the sludge pipes; a blow-off pipe is fixedly connected to the bottom end of the blow-off branch pipe; and the separation mechanism comprises a filter screen frame, a discharging inclined plate and an arc-shaped sleeve, the filter screen frame is arranged in the middle of the interior of the treatment box and is arranged in an inclined mode, and a knocking block is arranged above the middle of the filter screen frame. And through the arrangement of the first motor, the spiral roller can be driven to rotate, at the moment, water permeates through a filter screen on the surface of the arc-shaped cover, the liquid and solid separation effect is completed, and the solid is spirally conveyed upwards through rotation of the spiral roller, so that the discharging effect is achieved.

The embodiment of the invention discloses a geothermal well recharge system and method.The geothermal well recharge system comprises an aeration tank, an exhaust device and a gas replacement device, the aeration tank and the gas replacement device are both connected with the exhaust device, recharge water formed after geothermal water is subjected to heat removal is stored in the aeration tank, and the aeration tank is connected with the exhaust device; the aeration tank is used for conveying recharge water into the exhaust device, and the replacement gas device is used for conveying replacement gas into the aeration tank. According to the geothermal well recharge system disclosed by the embodiment of the invention, the recharge water is purified through the aeration tank, and the exhaust is performed through the exhaust device, so that the gas content and suspended impurities in the recharge water are greatly reduced, the gas overflow amount after the recharge water is injected into the recharge well is reduced, gas blockage is prevented from being formed in the recharge system, and the service life of the recharge system is prolonged. And impurities are prevented from entering a recharge system to cause blockage of a recharge passage.

The invention relates to a coupling energy storage hot dry rock-solar energy combined power generation system and a control method, geothermal water of a hot dry rock well enters a power generation unit after being regulated and controlled by an intelligent regulation and control device, and an organic working medium of the power generation unit exchanges heat with the geothermal water of a heat source unit for power generation; an organic working medium of the power generation unit exchanges heat with cooling water of the cooling unit; according to the geothermal water temperature of the hot dry rock well, it is judged that the hot dry rock-solar reheating peak shaving unit or the hot dry rock-solar coupling energy storage unit is started; the hot dry rock-solar reheating peak shaving unit controls terrestrial heat return water to enter the solar panel A to be heated again, and the hot dry rock-solar coupling energy storage unit controls terrestrial heat outlet water to enter the solar panel B and the energy storage device; the flow entering the evaporator from the heat source unit side is regulated and controlled according to the electricity demand of a user, and dynamic power generation is achieved. The system is simple in composition, small in initial investment, good in economical efficiency and capable of greatly improving the utilization rate and the application range of hot dry rock resources.

The invention relates to the field of gas collection and productivity determination, in particular to a geothermal water associated gas collection and productivity determination device and method.The collection and productivity determination device comprises a gas-liquid separator, a gas collection container and a productivity determination container; the gas collection container is provided with a gas port and a liquid port, the gas port is used for introducing associated gas, and the liquid port is used for discharging liquid filled in the gas collection container in advance, so that the associated gas is collected by using a water-driving gas collection method; the capacity measuring container is provided with a gas port and a liquid port, and is provided with a liquid level scale or a liquid level sensor, the gas port is used for introducing associated gas, and the liquid port is used for discharging liquid filled in the capacity measuring container in advance, so that the liquid level height in the capacity measuring container is changed by using a water-driving gas-collecting method. According to the embodiment of the invention, three functions of gas-liquid separation, gas sample collection and gas productivity determination can be realized.