96results about "Geothermal heating energy" patented technology

A thermal system for providing thermal conditioning to a facility includes a facility air circuit for circulating a facility air throughout the facility and a downhole fluid circuit for circulating a downhole fluid. The facility air circuit is thermally connected to a heat pump for exchanging heat with the facility air. The downhole fluid circuit includes the heat pump for exchanging heat with the downhole fluid, a main loop, including a borehole heat exchanger (BHE) for exchanging heat between the downhole fluid and a geological formation, and an exhaust loop including an exhaust heat exchanger coupled to an exhaust of the facility air circuit, wherein the exhaust loop is configured to circulate at least some of the downhole fluid through the exhaust heat exchanger to exchange heat between the downhole fluid and an exhaust flow of the facility air exhausted from the facility at the exhaust.

The present disclosure discloses a multi-energy coupled cooling / heating system for buildings in a long-term cooling region, including a multi-level management unit for heat sources, a solar energy heat collection unit, a lithium bromide absorptive refrigeration unit, a gas heat complementing unit, a ground source heat pump cooling / heating unit, and an indirect evaporative cooling waste heat recovery unit; the multi-level management unit for heat sources is connected to the solar energy heat collection unit, the lithium bromide absorptive refrigeration unit, the gas heat complementing unit, and the ground source heat pump cooling / heating unit; the ground source heat pump cooling / heating unit is connected to the indirect evaporative cooling waste heat recovery unit. The present disclosure adopts double-water tank structure, designs based on stratification principle, so as to achieve heat source classification management.

A thermal system for a facility includes a facility fluid circuit, a ground-source heat pump, and an air-source heat pump. The ground-source heat pump and the air-source heat pump each include a fluid circuit connected to the facility fluid circuit in parallel via a common facility heat exchanger. The ground-source heat pump includes a ground-source heat exchanger for transferring heat between a ground-source working fluid and a downhole fluid of a downhole fluid circuit. The air-source heat pump includes an air-source heat exchanger for transferring heat between an air-source working fluid and an ambient air. Heat can be transferred, at the facility heat exchanger, between the facility fluid and one or more of the ground-source working fluid or the air-source working fluid in order to provide thermal heating, cooling, or both to the facility.

Underground seasonal heat storage systems, characterized in that the storage medium can consist of different solids or liquids, and the storage system includes one or more devices for heating and one or more devices for recovering the heat.

A thermal system for providing thermal conditioning to a facility includes a facility air circuit for circulating a facility air throughout the facility and a downhole fluid circuit for circulating a downhole fluid. The facility air circuit is thermally connected to a heat pump for exchanging heat with the facility air. The downhole fluid circuit includes the heat pump for exchanging heat with the downhole fluid, a main loop, including a borehole heat exchanger (BHE) for exchanging heat between the downhole fluid and a geological formation, and an exhaust loop including an exhaust heat exchanger coupled to an exhaust of the facility air circuit, wherein the exhaust loop is configured to circulate at least some of the downhole fluid through the exhaust heat exchanger to exchange heat between the downhole fluid and an exhaust flow of the facility air exhausted from the facility at the exhaust.

A liquid to air switching flow system includes a switching flow apparatus within a housing and a source loop and a production loop that are in fluid communication with the switching flow apparatus. The production loop includes a heating / cooling coil that includes a coil input that receives fluid the switching flow apparatus and a coil output that returns fluid to the switching flow apparatus. In a heating mode a first heat exchanger, acting as a condenser, is fluidly connected to the production loop to provide heated liquid to the heating / cooling coil. In a cooling mode, a second heat exchanger, acting as an evaporator, is fluidly connected to the production loop to provide cooled liquid to the heating / cooling coil. A fan is positioned within the housing to push air across the heating / cooling coil to heat the air in the heating mode or cool the air in the cooling mode.

The invention discloses a wall-hanging stove and floor heating linkage control device which comprises a wall-hanging stove, floor heating, an actuator, a water distributing and collecting device and temperature controllers, the wall-hanging stove is connected with the water distributing and collecting device through a pipeline, the water distributing and collecting device is connected with a plurality of floor heating devices through pipelines, each floor heating device corresponds to one temperature controller, and the temperature controllers are connected with the wall-hanging stove. The system further comprises an intelligent compartment control box, a linkage transceiver, outdoor temperature sensors and indoor temperature sensors, each floor heater corresponds to one indoor temperature sensor, the intelligent compartment control box comprises a controller and an actuator, the multiple indoor temperature sensors are connected with the controller, and the linkage transceiver is connected with the controller. And the plurality of temperature controllers are connected with the controller. According to the wall-hanging stove, through intelligent linkage control, the invalid operation time of the wall-hanging stove is effectively shortened, and compared with a traditional independent operation mode, energy can be saved by 20% or above; a user can operate through a unified interactive interface, and does not need to control the wall-hanging stove and the floor heating system respectively, so that the operation difficulty is greatly reduced.

The invention relates to a method for optimizing a district heating network (1) comprising outgoing supply pipes and incoming return pipes, wherein a heat carrying fluid is circulated to be utilized for residential and commercial heating requirements. For storing excess thermal energy available at the district heating network, the method involves the steps of implementing more than one ground-based borehole thermal energy storage (4) as distributed heat storages at different locations of or along the district heating network (1). Each heat storage (4) is adapted to receive thermal energy from various forms of heat sources, which heat sources may be found at different locations of or along the district heating network (1) such, that the heat sources and the heat storages forming nodes in the district heating network (1). Excess thermal energy available to one node of the district heating network (1) is used to charge a borehole thermal energy storage (4) at one or several nodes, and thermal energy available from the borehole thermal energy storages (4) is at disposal to be used to heat the heat carrying fluid circulated in the supply pipes of the district heating network.

A thermal energy transfer arrangement is provided, comprising a building with a sprinkler system and a heat exchanger for heating the building. The arrangement further comprises a sprinkler reservoir arranged for holding a volume of water, wherein the sprinkler system is in fluid communication with the sprinkler reservoir and a thermal energy transfer system, comprising a primary heat pump, which is in fluid communication with the sprinkler reservoir and the heat exchanger, and which is arranged to transfer thermal energy from the sprinkler reservoir to the heat exchanger. By virtue of the arrangement, water in an existing sprinkler reservoir may be used as a source of thermal energy for heating the building.

A method (200) for controlling an operation of a modular fluid-fluid heat transfer arrangement (100) comprising a plurality of heat pump modules (130a, 130b) comprising a control unit (133) being connected to each control unit (133) of the other heat pump modules (130a, 130b) over a communication channel (140), and a memory (139) in which heat pump module configuration information relating to the associated heat pump module (130a, 130b) is stored, the method (200) comprising: a) transmitting associated heat pump module configuration information on the communication channel (140); b) receiving the associated heat pump module configuration information; c) storing said received heat pump module configuration information so as to provide a heat transfer arrangement configuration information; d) determining, based on the heat transfer arrangement configuration information, a master control unit selected from the control units (133), the control units (133) that are different from the master control unit are defined as slave control units; and e) transmitting operation control information from the master control unit to the slave control units. The disclosure further relates to a modular fluid-fluid heat transfer arrangement (100).

The invention relates to a method for optimizing a district heating network (1) comprising outgoing supply pipes and incoming return pipes, wherein a heat carrying fluid is circulated to be utilized for residential and commercial heating requirements. For storing excess thermal energy available at the district heating network, the method involves the steps of implementing more than one ground-based borehole thermal energy storage (4) as distributed heat storages at different locations of or along the district heating network (1). Each heat storage (4) is adapted to receive thermal energy from various forms of heat sources, which heat sources may be found at different locations of or along the district heating network (1) such, that the heat sources and the heat storages forming nodes in the district heating network (1). Excess thermal energy available to one node of the district heating network (1) is used to charge a borehole thermal energy storage (4) at one or several nodes, and thermal energy available from the borehole thermal energy storages (4) is at disposal to be used to heat the heat carrying fluid circulated in the supply pipes of the district heating network.

Heating and / or cooling systems, related methods, particularly those utilized for the heating and / or cooling of large structures, areas, or environments are disclosed herein. In one example embodiment, such a system includes a stratified thermal storage tank (STST), heat exchanger, and heat pump. A first amount of a fluid can flow from the STST to a heating load and then to the heat exchanger, at which residual heat can be received, and which is configured to receive a medium from an external source. The medium can flow from the source through the heat exchanger to an evaporator of the heat pump and transport first heat to the evaporator, including the residual heat. A risk of ice formation at the evaporator is reduced / eliminated. The heat pump is configured to cycle a refrigerant, so that the first heat is transferred from the evaporator to a gas cooler, and then to the STST.

A thermal system for a facility includes a facility fluid circuit, a ground-source heat pump, and an air-source heat pump. The ground-source heat pump and the air-source heat pump each include a fluid circuit connected to the facility fluid circuit in parallel via a common facility heat exchanger. The ground-source heat pump includes a ground-source heat exchanger for transferring heat between a ground-source working fluid and a downhole fluid of a downhole fluid circuit. The air-source heat pump includes an air-source heat exchanger for transferring heat between an air-source working fluid and an ambient air. Heat can be transferred, at the facility heat exchanger, between the facility fluid and one or more of the ground-source working fluid or the air-source working fluid in order to provide thermal heating, cooling, or both to the facility.

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.

A method of processing electrical data and signals which comprises locating a site with a geothermal hot water resource which feeds hot water to an on-site heat engine that drives an on-site electricity generator which provides electrical power to an array of microprocessors, located in an enclosure structure, that processes data transmitted from a remote location at high speeds. The processed data is transmitted back to the remote locations at high speeds.

A thermal system for a facility includes a facility fluid circuit, a ground-source heat pump, and an air-source heat pump. The ground-source heat pump and the air-source heat pump each include a fluid circuit connected to the facility fluid circuit in parallel via a common facility heat exchanger. The ground-source heat pump includes a ground-source heat exchanger for transferring heat between a ground-source working fluid and a downhole fluid of a downhole fluid circuit. The air-source heat pump includes an air-source heat exchanger for transferring heat between an air-source working fluid and an ambient air. Heat can be transferred, at the facility heat exchanger, between the facility fluid and one or more of the ground-source working fluid or the air-source working fluid in order to provide thermal heating, cooling, or both to the facility.

The invention relates to a thermal energy management system for an assembly comprising at least one room (100) and at least one pool (142). The system includes a heat exchanger (102) for heating or cooling the room, a temperature control device (104) for the room, a filtration unit (144) connected to the pool (142) via a hydraulic circuit, and a thermodynamic transfer unit (124) connected to the heat exchanger by a heat transfer fluid circuit. The thermodynamic transfer unit is further connected to the pool and the filtration unit via the hydraulic circuit. The filtration unit is controlled by the temperature control device.

The invention discloses a new energy energy supply coupling method, an energy coupling station fused salt unit and a temperature control method of the energy coupling station fused salt unit, and relates to the technical field of heating systems.The new energy energy supply coupling method comprises the steps that a solar energy section is composed of a solar photovoltaic panel and a solar heat collection pipe; the air source heat pump unit is used for heating and refrigerating; the shallow ground source heat pump unit exchanges heat with the ground surface through a buried pipe in the shallow buried pipe well; the geothermal wells exchange heat, if medium-deep geothermal water is distributed at the depth of 1000-3000 m, two-hole geothermal well construction heating is conducted, and if geothermal water does not exist, a single well with the depth of 2000-3000 m is constructed, and heating is conducted through a center heat exchange pipe; boiler heating; and the energy coupling station is used for carrying out centralized management and transmission on the energy supply modes and storing the heat energy by utilizing the low-peak electric energy. The system has the effects of reducing energy emission and energy consumption waste during heating and achieving low-carbon and energy-saving heating.

The invention relates to a water source heat pump system (10) using thermal energy of water (11) of the ocean, lake or river, comprising a first heat exchanger (12), a compressor (13), a second heat exchanger (14) and an expander and / or throttle valve (15), in which the first heat exchanger (12) is designed to heat a heat pump process medium using the thermal energy of the water (11) and the second heat exchanger (14) is designed to heat the heat pump process medium using the thermal energy of the water (11). Wherein the compressor (13) is designed to compress the heat pump process medium downstream of the first heat exchanger (12) and upstream of the second heat exchanger (14), and wherein the second heat exchanger (14) is designed to transfer heat from the heat pump process medium to a process medium (16) of a consumer, the expansion machine and / or throttle valve (15) is designed to expand the heat pump process medium downstream of the second heat exchanger (14) and upstream of the first heat exchanger (12), the first heat exchanger (12) being arranged in the water (11) below the water surface (18) of the ocean, lake or river, or alternatively above the water surface (18) on a platform (23) located in the ocean, lake or river, and the expansion machine and / or throttle valve (15) being designed to expand the heat pump process medium downstream of the second heat exchanger (14) and upstream of the first heat exchanger (12). Wherein the second heat exchanger (14), the compressor (13) and the expansion machine and / or throttle valve (15) are arranged on the land, and wherein the first heat exchanger (12) is connected to the compressor (13) and the expansion machine and / or throttle valve (15) arranged on the land via a line system (20) for the heat pump process medium.

Building heating and ventilation system (10), comprising a heat pump (11) configured to supply at least one heating circuit (12) of the building, in particular at least one underfloor heating circuit of the building, with a tempered fluid, comprising a ventilation device (14) having an air-to-air heat exchanger (15) configured to temper outside air via exhaust air of the building to provide supply air for the building, comprising an air-to-brine heat exchanger (20) connectable to a ground-source heat pump circuit (21) configured to temper the outside air to be supplied to the air-to-air heat exchanger (15) of the ventilation device (14) via geothermal energy obtained in the ground-source heat pump circuit (21), wherein the heat pump (11) is coupled to a further fluid circuit (24),which serves, via a further heat exchanger (25), to temper the brine to be conveyed via the air-brine heat exchanger (20) and / or to temper the outside air that is or will be conveyed via the air-brine heat exchanger (20).

The present invention relates to the technical field of comprehensive energy utilization, and particularly relates to a comprehensive composite heating control system for geothermal and air source heat pumps, which includes a heat collection device, a waste heat recovery device, and a control unit. The heat collection device is arranged at the heat input end of the user unit, and the waste heat recovery device is arranged at the heat output end of the user unit. The control unit is used to control the heat collection device to supply heat to the user unit; by combining the ground source heat pump system and the air source heat pump system to form a grid connection to jointly supply heat to the user units in multiple communities, the problem that the ground source heat pump system has a large supply space in addition to meeting the heating of one community, resulting in incomplete utilization of the heat source and waste of geothermal exploitation is solved; at the same time, by using part of the geothermal energy to heat the gas medium in the air source heat pump system, it can ensure the normal startup of the air source heat pump system in a low-temperature environment, which is beneficial to the air source heat pump system to achieve the expected heating effect.

The invention relates to a building arrangement for climate-neutral living with at least two buildings, wherein the building arrangement has at least one photovoltaic system for power supply and at least one heat pump for heat supply, wherein the at least two buildings are each connected to each other electrically and thermally via lines, so that the at least two buildings can be supplied and operated with electricity and heat in a climate-neutral and self-sufficient manner.

A district heating and cooling system 100 comprises a pipe network 102 to supply potable water to a plurality of buildings, at least one heat pump 104 disposed at each building 106 of the plurality of

Method for controlling the operation of a heat pump. Method for controlling the operation of a heat pump (10) connected to hot (22) and cold (24) buffer tanks, capable of operating according to at least one first mode of heat production only, a second of cold production only and a third of combined cold and heat production, the triggering of the different modes taking place at a given instant t as a function of the measured temperatures of the buffer tanks and at least one piece of information representative of a future need for heat or cold production for the buffer tanks.

The circulation pump with internal or external control, with or without user interface, with or without bus or other control, with or without volume flow sensor, with or without temperature sensor, is equipped with a control algorithm that determines the Reynolds number of the flow and controls the pump performance so that the flow remains in the border range between laminar and turbulent.

The invention provides an essentially brine free system equipped for heating at least one enclosed space, said system comprising a ground source heat-pump system (HP) capable of servicing said space with heat through a space heat exchanger combined with at least one solar thermal collector, herein also called solar water collector, at least one closed loop essentially horizontal ground heat exchanger, herein also called ground heat storage system or groundnet, at least one pump P1 allowing temperature-controlled fluid flow through said solar thermal collector, wherein said pump P1 is directed to maintain a temperature difference (ΔT) of at most 15 to 2 degrees Kelvin between outlet fluid and inlet fluid of said collector, when outlet T > inlet T.

A refrigeration and / or heat transfer device includes a heating section and cooling section, a release member, and a one-way check valve affixed together in a continuous loop so working fluid may flow in one direction therein. The heating section absorbs heat and transfers such heat to the working fluid, thereby heating, expanding and increasing pressure upon the working fluid therein. The pressurized working fluid is released in a regulated manner from the heating section to the cooling section, thereby carrying the heat away. The released working fluid cools and transfers its heat to the surroundings within the cooling section. As released working fluid enters the cooling section, such fluid displaces already cooled working fluid, pushing such fluid through the one-way check valve back into the heating section to absorb heat. The working fluid may undergo a phase change or remain in a single phase throughout to enhance heat transfer.

The various embodiments described herein include devices and systems for thermal energy storage. A single-temperature-thermal-energy storage (SITTES) system for desalinating seawater and / or producing electrical power is described. The SITTES system includes insulated tanks, a molten eutectic salt media arranged within the insulated tanks, heat exchangers arranged within the insulated tanks, and an outlet. In the SITTES system the heat exchangers are coupled to one another and configured to transfer heat between the salt media and a seawater media, and the outlet is configured to output a steam portion of the seawater media, thereby providing desalination of the portion of the seawater media and steam for electrical power generation.

The disclosure relates to an arrangement (100) for heating a building comprising an air-liquid heat pump (130), a buffer tank (140) configured to store a heat buffer liquid in an internal volume thereof, said internal volume having a first portion (140a) and a second portion (140b); and a switchable conduit system (150); wherein, when the arrangement (100) is configured to operate in a heating operational mode, the switchable conduit system (150) is configured to supply buffer liquid heated by the heat pump (130) to the first portion (140a) of the buffer tank (140) and retrieve buffer liquid from the second portion (140b) of the buffer tank (140), and, when the arrangement (100) is configured to operate in a defrosting operational mode, the switchable conduit system (150) is configured to supply buffer liquid cooled by the heat pump (130) to the second portion (140b) of the buffer tank (140) and retrieve buffer liquid from the second portion (140b) of the buffer tank (140). The disclosure further relates to a method for controlling an arrangement (100).

A thermal system includes a first facility fluid circuit including a facility fluid for circulating through a facility, a first facility heat exchanger, and a first facility supply inlet for providing the facility fluid to the facility. A second facility fluid circuit includes the facility fluid, a second facility fluid heat exchanger, and a second facility supply inlet. A ground-source heat pump includes the first facility heat exchanger and is associated with the first facility fluid circuit. An air-source heat pump includes the second facility heat exchanger and is associated with the second facility heat exchanger. A mutual supply duct connects the first and second facility fluid circuits such that the first facility fluid circuit is fluidly connected to the second facility supply inlet and the second facility fluid circuit is connected to the first facility supply inlet.