72 results about "Geothermal heating" patented technology

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.

A system includes a power unit, and a coiled tubing (CT) reel for spooling a CT string. The system includes a CT injector for injecting the CT string from a surface into a subsurface to construct a geothermal borehole. The CT injector includes a gooseneck for guiding the CT string into a body of the CT injector. The system includes a first arm for coupling the CT reel and the power unit. The system includes a second arm for coupling the CT injector and the power unit. The system is configured to modify the distance between the CT reel and the gooseneck by adjusting at least one of (i) the length of the first arm or (ii) the length of the second arm.

A system for geothermal heating comprising: a forced geothermal circuit in communication with a well bore; a well bore heat exchanger; a multilateral channel; a channel casing design; and a pump. A method for geothermal heating comprising: passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; heating the fluid; passing the heated fluid through a multilateral channel comprising a multilateral channel design casing; and passing a reservoir fluid and the fluid into a heat exchanger. A method for a loop recovery process comprising: passing a circulation fluid into a system for geothermal heating; passing the circulation fluid into a well bore heat exchanger; heating the circulation fluid; passing the heated circulation fluid out of the system for geothermal heating; passing the heated circulation fluid through a heat exchanger of an organic Rankine cycle; and cooling the circulation fluid.

The invention discloses a control cabinet provided with a heat dissipation structure and used for a geothermal energy heating device, and relates to the technical field of geothermal heating, the control cabinet comprises a heat dissipation mechanism and first heat dissipation supports installed on the two sides of the heat dissipation mechanism, the heat dissipation mechanism is internally provided with an installation adjusting mechanism, and the top of the installation adjusting mechanism is provided with a supporting base; the heat dissipation mechanism comprises a control cabinet body, first dustproof nets are symmetrically installed on the two sides of the interior of the control cabinet body, cabinet doors are symmetrically and rotationally connected to the front face of the control cabinet body, a ventilation base is fixedly installed at the bottom of the control cabinet body, through holes are formed in the bottom of the control cabinet body and the top of the ventilation base, and the ventilation base is fixedly connected with the control cabinet body. And a supporting plate is extruded through a third wind shield, so that the supporting plate drives a first rack to descend, rotation of a rotating connecting shaft and a rotating shutter can be realized by utilizing the characteristic of engaged connection between the first rack and a first gear, a first heat dissipation bracket can be closed, and blowing heat dissipation of the control cabinet body is facilitated.

The invention discloses a geothermal heat supply system and method, and the system comprises a ground source side which comprises a geothermal source, a heat exchanger and a three-way valve; the geothermal source is connected with the heat exchanger through a ground source side pipeline; moreover, a three-way valve is arranged in the ground source side pipeline, an inlet of the three-way valve is connected with the water outlet end of the geothermal source, a first outlet of the three-way valve is connected with the primary side water supply and return end of the heat exchanger, and a second outlet of the three-way valve is connected with the primary side water supply end of the heat exchanger. The heat exchange amount of the heat exchanger is controlled; the ground heat exchange side comprises a heat pump unit; the heat pump unit is connected with a ground source side pipeline; and the tail end supply side is connected with the heat pump unit and receives the circulating medium flowing out of the heat pump unit. According to the scheme provided by the invention, load decoupling, flow decoupling, pressure slow change and system stability among the ground source side, the ground heat exchange and extraction side and the end user side can be realized.

The invention provides a multi-energy cooperative closed geothermal heating system, which relates to the technical field of renewable energy sources and comprises a closed geothermal circulating unit, a multifunctional cooperative unit and a control unit. The geothermal circulation unit achieves working medium circulation heat absorption through the injection well, the production well and the underground heat exchange structure embedded in the rock mass. The cooperation unit is provided with an industrial waste heat loop, an electric heating heat storage loop and a heat pump unit which are connected in parallel, the primary side of a heat pump is in closed-loop connection with the production well and the injection well, and the secondary side communicates with a user heat supply pipeline. The control unit realizes two modes through path switching: in a heating mode, the heat pump unit raises the temperature of a geothermal working medium and is linked with the electric heating loop to supply heat together, and industrial waste heat supplements heat energy synchronously; and in the heat storage mode, the heat pump and the electric heating are closed, and the industrial waste heat working medium is reversely injected into the production well for geothermal heat storage. The heat taking efficiency of the closed type geothermal heating system and the heat source supply stability can be both considered.

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.

A system for geothermal heating comprising: a forced geothermal circuit in communication with a well bore; a well bore heat exchanger; a multilateral channel; a channel casing design; and a pump. A method for geothermal heating comprising: passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; heating the fluid; passing the heated fluid through a multilateral channel comprising a multilateral channel design casing; and passing a reservoir fluid and the fluid into a heat exchanger. A method for a loop recovery process comprising: passing a circulation fluid into a system for geothermal heating; passing the circulation fluid into a well bore heat exchanger; heating the circulation fluid; passing the heated circulation fluid out of the system for geothermal heating; passing the heated circulation fluid through a heat exchanger of an organic Rankine cycle; and cooling the circulation fluid.

Systems and methods for generating hydrogen through serpentinization of iron-bearing rock, including mafic rock, ultramafic rock and banded iron formations is presented herein. The systems and methods use geothermally-heated and / or surface-heated fluid circulating through one or more fluidically-communicative wellbores to accelerate the production of hydrogen. A geothermal-injector wellbore is formed in a geothermal rock layer, and is communicative with a separate geothermal-collection wellbore, also formed in the geothermal layer. Fluid is pumped through the geothermal-injector wellbore, geothermally heated, collected by the geothermal-collection wellbore, and injected into a targeted rock layer that includes iron-bearing rock. The heated fluid increases the rate of hydrogen production though serpentinization of the rock, which is then collected through a separate producer wellbore. In some cases, a serpentinization-injector wellbore is used to circulate surface-heated and / or chemically-treated fluid to the targeted rock layer to accelerate hydrogen production.

The utility model relates to the technical field of geothermal heating, disclose a kind of geothermal heating heat pump unit, including heat pump unit main body, heat pump unit main body is fixedly connected with connecting pipe, connecting pipe is fixedly connected with box body, and the side of box body is fixedly connected with water outlet pipe;Water suction pipe, water suction pipe is arranged at the bottom end of heat pump unit main body, and water suction pipe is fixedly connected with heat pump unit main body cleaning assembly, and cleaning assembly is arranged in water suction pipe, and cleaning assembly is used to clean the speed of groundwater, and cleaning assembly includes filter plate, turbine blade and movable block, turbine blade rotation is arranged in water suction pipe, filter plate is arranged in water suction pipe, and filter plate is elastically connected with the inner wall of water suction pipe, movable block array is arranged between filter plate and turbine blade, movable block is transmission connection with turbine blade, heat pump unit main body is pumped up by water suction pipe to water, after water passes through water suction pipe, internal parts of cleaning assembly cooperate, and the impurities on filter plate are fully removed.

The utility model relates to the technical field of terrestrial heat, in particular to terrestrial heat cooling and heating double-supply equipment which comprises a floor, a water pipe is fixedly connected in the floor, two ends of the water pipe are fixedly connected with connecting pipes respectively, the two connecting pipes are connected with a high water level tank and a low water level tank respectively, one side of the high water level tank is fixedly connected with a first water distribution pipe, and the other side of the high water level tank is fixedly connected with a second water distribution pipe. One side of the low-water-level tank is fixedly connected with a second water distribution pipe, one side of the first water distribution pipe is fixedly connected with an electric heater, the other side of the first water distribution pipe is connected with a refrigerating machine, one side of the high-water-level tank is fixedly connected with a water inlet, and one side of the low-water-level tank is fixedly connected with a water outlet. The utility model has the advantages that the first valve and the second valve are arranged and are reasonably opened and closed, a loop formed by water flow is conveniently controlled, water leakage is also avoided, the water flow can be drained when the equipment is not used due to the arrangement of the low-water-level tank, and the water flow is prevented from being accumulated in the device to damage the device.

The invention relates to the field of geothermal heating temperature control, and provides a geothermal heating temperature control method and system based on environmental perception, and the method comprises the steps: obtaining indoor and outdoor environmental perception data through indoor perception equipment and outdoor monitoring channels of each heating room; preprocessing the indoor and outdoor environment sensing data; according to the preprocessed indoor and outdoor environment sensing data, the indoor temperature change trend of each heating room is predicted, and a temperature prediction change curve is obtained; when the fluctuation quantity of the temperature prediction change curve reaches the adjustment requirement, optimizing control parameters of a geothermal heating system adopted by each heating room according to the temperature prediction change curve by taking the preset comfortable room temperature and the minimum geothermal heating energy consumption as targets to obtain optimal geothermal control parameters; and dynamically adjusting the control parameters of the geothermal heating system according to the optimal geothermal control parameters. By means of the method, the comfortable room temperature can be preset, geothermal heating energy consumption can be minimized, the indoor comfort degree is improved, and meanwhile heating energy consumption is reduced.

The invention discloses a geothermal heat supply system integrating electricity price response and a heat storage scheduling strategy, belongs to the technical field of geothermal heat supply, and can solve the problems that an existing single geothermal heat supply system is low in efficiency and poor in stability. The system comprises a deep geothermal well; a photo-thermal module; the temperature commutator comprises an inlet end and a plurality of outlet ends; the deep geothermal well and the photo-thermal module are both communicated with the inlet end; the temperature reverser is used for detecting the temperature of the heat exchange fluid at the inlet end and controlling the outflow direction of the heat exchange fluid according to the temperature; the heat storage module comprises a heat storage heating unit and a heat storage water supply unit which are connected to different outlet ends of the temperature reverser, and the heat storage temperature of the heat storage heating unit is higher than that of the heat storage water supply unit; and the control module is used for controlling the deep geothermal well and the photo-thermal module to store heat to the heat storage module in the valley electricity period of the heat consumption valley period and controlling the heat storage module to release heat to the user side in the peak electricity period of the heat consumption peak period. The device is used for geothermal heat supply.

The utility model discloses a geothermal heat source heating system which comprises a water inlet pipe. The heat exchange cavity comprises a swirler which is in a conical shape, the conical tip of the swirler extends downwards, the inner wall of the swirler is provided with a protruding part which is in a continuous spiral line shape, and the water inlet pipe is communicated with the swirler along the tangent line; the scraping plate moves in the swirler conical tip and is driven to move so as to scrape water scale at the bottom; the input end of the water outlet pipe is communicated with the swirler conical tip. According to the geothermal heat source heating system, due to the design of the swirler, water flow enters along the tangent line to form vortex, the speed of the water flow is high when the water flow reaches the conical tip part, precipitated impurities are washed out, formed incrustation is scraped through rotation of the scraping plate, incrustation is prevented from being formed at the low point of the heat exchange pipeline, the water flow is evenly heated by geothermal energy, and the heating efficiency is improved. The heat exchange efficiency is improved.

The invention provides a geothermal water pressurizing, cooling and scale preventing system and method. The system comprises a water turbine, a heat exchanger, a production well and a recharge well. The water turbine is provided with an inlet end and an outlet end, and the outlet end of the water turbine is communicated with the recharge well; the water turbine is connected with the direct-current generator and the centrifugal pump through the coupler; the heat exchanger is provided with an inlet end and an outlet end; the outlet end of the heat exchanger is communicated with the inlet end of the water turbine through a pipeline; the inlet end of the heat exchanger is communicated with the production well through a pipeline; the centrifugal pump is provided with an inlet end and an outlet end, and the inlet end of the centrifugal pump is communicated with the outlet end of the heat exchanger through a pipeline; and the outlet end of the centrifugal pump is communicated with the inlet end of the heat exchanger through a pipeline. According to the geothermal anti-scaling process system, the generation amount of calcium carbonate scales of geothermal water side heat exchanger equipment and pipelines is reduced, generation of harmful factors such as blockage is reduced, the overhaul and maintenance cost is reduced, and the operation stability of a geothermal heat supply system is enhanced.

The invention discloses a geothermal-driven fuel cell and transcritical carbon dioxide cycle combined heat and power generation system. The system comprises a geothermal heating cycle subsystem, a high-temperature proton exchange membrane fuel cell subsystem and a transcritical carbon dioxide cycle subsystem which are connected with one another, the geothermal heating circulation subsystem preheats a reaction working medium of the high-temperature proton exchange membrane fuel cell subsystem and serves as a heat source of the building heating system, and waste heat discharged by the high-temperature proton exchange membrane fuel cell subsystem serves as a heat source of the transcritical carbon dioxide circulation subsystem. The transcritical carbon dioxide circulation subsystem forms a self-condensation circulation mechanism through an ejector, a gas-liquid separator and a first booster pump. Efficient gradient utilization of medium and low temperature geothermal energy is achieved, cooperative output of electric energy and heat energy is achieved, the Carnot cycle limitation of a traditional heat engine can be broken through, and the comprehensive energy efficiency of the system is effectively improved; self-condensation of transcritical carbon dioxide circulation can be achieved, and the problem that carbon dioxide is limited under the conventional condensation condition is solved.

Systems and methods for generating hydrogen through serpentinization of iron-bearing rock, including mafic rock, ultramafic rock and banded iron formations is presented herein. The systems and methods use geothermally-heated and / or surface-heated fluid circulating through one or more fluidically-communicative wellbores to accelerate the production of hydrogen. A geothermal -injector wellbore is formed in a geothermal rock layer, and is communicative with a separate geothermal-collection wellbore, also formed in the geothermal layer. Fluid is pumped through the geothermal -injector wellbore, geothermally heated, collected by the geothermal-collection wellbore, and injected into a targeted rock layer that includes iron-bearing rock. The heated fluid increases the rate of hydrogen production though serpentinization of the rock, which is then collected through a separate producer wellbore. In some cases, a serpentinization-injector wellbore is used to circulate surface-heated and / or chemically-treated fluid to the targeted rock layer to accelerate hydrogen production.

The utility model relates to the technical field of geothermal heating, in particular to a real-time monitoring device for geothermal heating, which comprises a monitor, the monitor is connected with an antenna through a connecting line, the monitor is arranged in a monitoring barrel, the top of the monitoring barrel is provided with an adjusting mechanism, the top of the adjusting mechanism is connected with a protective box, and the protective box is connected with the monitoring barrel. The antenna is located in the protection box, the monitoring barrel comprises a barrel body, a fixing column and monitoring holes, the fixing column is fixedly installed at the top in the barrel body, the monitor is fixedly installed at the bottom of the fixing column, and a plurality of monitoring holes are formed in the side face of the lower end of the barrel body and located in the outer side of the monitor; and the adjusting mechanism comprises a telescopic cylinder, a lead screw, a wire cylinder and a fixed cylinder, the wire cylinder is fixedly installed at the top of the barrel body, the real-time monitoring device is used for local heat supply, the situation that the monitor is extruded by soil blocks, stone blocks and the like in the burying process to be damaged is prevented, and stable operation of the monitor is guaranteed.

The invention relates to the technical field of geothermal heating, in particular to a geothermal heating and power generation combined system which comprises a geothermal heating end. A heating user and a generator set end; the heating and power generation combined unit is used for providing a small flow of heating medium water in a non-heating season and a large flow of heating medium water in a heating season to meet heat energy required by a generator set and heating users, and the pressure and the temperature in a heating pipeline are stable during heating, so that normal heating is realized; the heating and power generation combined unit comprises a plurality of heat exchangers connected in series, an intelligent adjusting valve and a temperature balance adjusting unit. The input ends of the heat exchangers connected in series are connected with a geothermal heat supply end, the output ends of the heat exchangers connected in series are connected with a heating user and a generator set end through a heat supply pipeline and a pump, and the heat supply pipeline is provided with an intelligent adjusting valve, a flow meter and a pressure transmitter. The requirements for small flow of the heating medium water in the non-heating season and large flow of the heating medium water in the heating season are met, and meanwhile, the pressure and the temperature in the heating pipeline are stable during heating, so that normal heating is achieved.

A method to establish a well using a nested drill / completion string. The nested drill / completion string includes an inner pipe nested in an outer pipe, a flow crossover disposed at an end of the nested drill string and a drill bit disposed to one side of the flow crossover. Drilling fluid is pumped into the well through a first annular space between the inner pipe and the outer pipe, and drill cuttings created by the drill bit are returned to surface through in inner pipe. For the completion of the well, either (i) fluid in the annular space is displaced with a lower conductivity fluid or (ii) the annular space; is evacuated. Fluid to be heated is pumped through a second annular space between the well and the exterior of the nested drill string and geothermally heated fluid is moved from the subsurface to the surface through the inner pipe.

The invention discloses a geothermal heating project optimization sorting evaluation method, electronic equipment and a medium. The method can comprise the steps that first-level indexes and second-level indexes are determined, and an index matrix of m heating projects is established; performing score assignment for the secondary indexes, and establishing an evaluation coefficient matrix of m heating projects; assigning the weights of the first-level indexes and the second-level indexes to obtain a weight matrix of the second-level indexes; according to the weight matrix and the evaluation coefficient matrix of the secondary indexes, comprehensive evaluation coefficients of the m heating projects are calculated and sorted, and an evaluation result is obtained. According to the method, the geothermal heating projects are optimally sorted and rapidly evaluated comprehensively and systematically, and a scientific basis is provided for investment decision-making of the geothermal heating projects.

The utility model discloses a geothermal heating system for a greenhouse, which comprises a solar thermal collector vertically arranged on a back wall of the greenhouse; the water storage tank is arranged outside the greenhouse; the geothermal coil pipe is arranged below the ground of the greenhouse; a water supply pipe connected with one end of the geothermal coil pipe is arranged at the lower end of the water storage tank, and a water return pipe connected with the other end of the geothermal coil pipe is arranged at the upper end of the water storage tank; a water inlet pipe connected with the lower end of the solar heat collector is arranged at the lower end of the water storage tank, and a water outlet pipe connected with the upper end of the solar heat collector is arranged at the upper end of the water storage tank. The utility model has the following advantages and effects: through the arrangement of the solar heat collector, solar energy is utilized to heat a water source, the water source is stored in the water storage tank, hot water can be conveyed into the geothermal coil pipe, the heating of the ground is realized, the heating mode is energy-saving and environment-friendly, and the waste of resources can be reduced.

The utility model discloses a heat transfer plate and a variable runner plate heat exchanger for geothermal heating, and relates to the technical field of heat exchangers. The heat transfer plate comprises a square plate body, a cold medium inlet and a cold medium outlet are formed in the two corners of the left side of the plate body in a penetrating mode respectively, and a hot medium inlet and a hot medium outlet are formed in the two corners of the right side of the plate body in a penetrating mode respectively. A heat exchange area is arranged in the middle of the two sides of the plate sheet body, flow dividing areas are arranged at the two ends of the heat exchange area, and flow guiding areas are arranged between the cold medium inlet and the flow dividing areas, between the cold medium outlet and the flow dividing areas, between the hot medium inlet and the flow dividing areas and between the hot medium outlet and the flow dividing areas. Sealing grooves are formed in the areas, surrounding the hot medium inlet, the hot medium outlet, the cold medium inlet, the cold medium outlet, the heat exchange area, the flow guide area and the flow distribution area, of the plate sheet body.

The invention relates to the technical field of overwintering storage of peony seeds in alpine regions, and discloses an overwintering storage method and storage device for peony seeds in alpine regions, the storage device comprises a passive heating mechanism, and the passive heating mechanism is fixedly mounted in a supporting cylinder. The overwintering storage method for the peony seeds in the alpine region comprises the steps that firstly, sand is stirred, a sand layer is laid, and the peony seeds are placed; secondly, the storage barrels and the storage plates are placed in a combined mode; thirdly, passive geothermal heating is conducted on the heat preservation barrel; 4, oxygen is introduced into the heat preservation cylinder at regular time, humidity is automatically controlled, and temperature is monitored in real time; and step 5, determining the low-temperature sand storage time of the peony seeds. The method has the beneficial effects that a temperature guarantee is provided for low-temperature sand storage stratification treatment in the alpine regions of the peony seeds, and through automatic control over ventilation, oxygen supply and humidity of the storage device, the appropriate humidity of the sand layer is kept, and the problem that the peony seeds are mildewed due to oxygen deficit in the overwintering storage process is solved.

The present invention discloses a geothermal-based collaborative multi-energy intelligent heating system, including a geothermal heating end, which is used to use geothermal energy as the main line of the heating system for heating and obtain a steady-state range of the geothermal heating capacity; a balancing controller, which is arranged at the geothermal heating end, and is used to control the heating support of the geothermal heating end and the heating elasticity regulation range when using geothermal energy as the main line of the heating system for heating; at least one auxiliary heating end, which is connected to the heating system as auxiliary heating; a heating steady-state model, which connects the geothermal heating end, the auxiliary heating end and the user end, obtains a compensation amount that meets the needs of the user end, and controls the auxiliary heating end by the compensation controller to achieve the heating balance of the heating system with the compensation amount; a control module, which is used to control the balancing controller to be in a restricted controlled state when the heating system enters the heating balance, and to control the connection and exit of the auxiliary heating end by the compensation amount.

The utility model discloses a green electricity geothermal heating system for a northwest hypersalinity region, which comprises a middle-deep layer coaxial heat exchange well, a water using position, a water storage tank and a photovoltaic photo-thermal heat pump, the middle-deep layer coaxial heat exchange well is communicated with the water storage tank through a heat compensation cold water pipe and a heat compensation hot water pipe, and a water pump I is mounted between the middle-deep layer coaxial heat exchange well and the water storage tank; a photovoltaic inverter is installed at the circuit output end of the photovoltaic photo-thermal heat pump, the photovoltaic photo-thermal heat pump communicates with the water storage tank through a cold water pipe and a hot water pipe, a fourth water pump is installed between the photovoltaic photo-thermal heat pump and the water storage tank, and the middle-deep layer coaxial heat exchange well communicates with the water using position through the cold water pipe and the hot water pipe. The geothermal energy is used for heating users through a direct supply or heat pump system in a grading and staged manner at different temperature levels, and insufficient parts can be supplemented by a photovoltaic photo-thermal heat pump and the like, so that continuous and stable heat supply to the user side is realized; the photovoltaic photo-thermal heat pump is used for supplying power to all components in the heat supply system, so that the heat supply system has a pure green function, and redundant electric quantity can be output to a power grid.

The utility model discloses a medium-deep layer geothermal heat exchange system, belongs to the technical field of geothermal heat supply, and solves the problem that an underground heat reservoir is excessively exploited due to an existing heat collection mode. The input end of the first conveying structure communicates with the output end of the connecting structure, and the output end communicates with the geothermal water supply pipeline. The input end of the second conveying structure communicates with the geothermal water return pipeline, and the output end communicates with the first input end of the connecting structure. The heat exchange mechanism is buried under the earth surface and comprises an inner pipe, a heat pipe and a sleeve. The heat pipe is sleeved on the inner pipe, and the sleeve is sleeved on the heat pipe. The input end of the heat pipe communicates with the output end of the connecting structure, the output end of the heat pipe communicates with the input end of the inner pipe, and the output end of the inner pipe communicates with the second input end of the connecting structure. The heat collection efficiency is high, loss of heat in the underground transmission process can be reduced, energy consumption is reduced, and excessive exploitation of an underground heat reservoir is avoided.

The geothermal heating device comprises a water storage tank, the side wall of the upper end of the water storage tank is fixedly connected with a water inlet pipe, the water inlet pipe is communicated with the interior of the water storage tank, an automatic water supplementing structure is arranged in the water storage tank, and a temperature sensor and an electric heating rod are arranged on the inner wall of the water storage tank. Four supporting legs are fixedly connected to the bottom of the water storage tank, a drainage pipe is fixedly connected to the bottom of the water storage tank, the drainage pipe is communicated with the interior of the water storage tank, a drainage valve is arranged on the side wall of the drainage pipe, a mounting plate is fixedly connected to the side wall of the water storage tank, and a water suction pump is fixedly connected to the top of the mounting plate. Under the mutual cooperation of the drainage pipe, the slag discharge pipe, the supporting legs, the water guide pipe and other components, when the backflow water is heated, the backflow water is driven to be sprayed out in a clockwise spiral shape through the multiple water outlet nozzles, so that the water in the water storage tank is driven to surge, the heating efficiency of a water source is improved, operation is easy, and practicability is high.

During meeting for planning operations for scale removal and scale inhibitor squeeze treatment in wells, the possibility of the manifold being partially incrusted with scale raised considering the more critical mixture of water produced. The proposed solution is a method of treatment for removing scale from a manifold. Said method uses the geothermal heating of the exploration reservoir to heat a chemical removal solution (50). Heating is required to ensure the temperature is in a range that is also suitable for conducting the removal reaction, since the distance that the solution travels to the manifold (20) e the low temperature of the underwater environment make the reaction occur inefficiently, as in the case of pre-salt.

This application discloses a method, apparatus, electronic device, and medium for calculating the heating capacity of geothermal fields based on pressure field factors. The method may include: determining the expression of a well function based on a single-well extraction model; calculating the well-to-well spacing in the well-to-well model, which includes pumping wells and reinjection wells, based on the expression of the well function; calculating the heat extraction capacity of a single well; calculating the number of pumping wells based on the well-to-well spacing; and calculating the heating capacity based on the heat extraction capacity of a single well and the number of pumping wells. This invention starts from the changes in the pressure field of a geothermal field to determine a reasonable spacing between extraction and reinjection wells to ensure the relative stability of the pressure field and avoid a significant drop in the liquid level of pumping wells. Based on the well spacing, a geothermal field development well network is deployed, and the scale of geothermal field development and utilization and the geothermal heating capacity can be further calculated, providing a scientific basis for the sustainable development and utilization of geothermal fields and the preparation of feasibility studies for geothermal heating projects.