58results about "Geothermal heating energy" patented technology

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 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.

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.

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.

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 heat pump system and fluid distribution system are provided. The heat pump system comprises a heat exchanger installed in proximity to a portion of a fluid distribution system such that it affects the temperature of the fluid with that portion of the fluid distribution system. The fluid distribution system delivers fluid from one or more sources to one or more end users via one or more pipes. The fluid distribution system comprises a temperature controller configured to: receive measurements of the temperature of the fluid at one or more locations within the fluid distribution system; analyse the measurements to determine whether remedial action needs to be taken to control the temperature of the fluid within the fluid distribution system; and transmit a control signal to the heat pump system in response to determining that remedial action needs to be taken. The heat pump system further comprises a controller configured to: receive the control signal; and control the operation of the heat pump system in accordance with the control signal so as to control an amount of heat transferred between a refrigerant fluid within the heat exchanger and the fluid distribution system.

The present application relates to a temperature control system (1) for temperature control of a room (2) of a building (3), comprising a heat / cold generator (4) for temperature control of a heating medium (5), a medium storage unit (6) connected to the heat / cold generator (4) for storing the heating medium (5) tempered by the heat / cold generator (4), a piping system (7) for conveying the tempered heating medium (5) from the medium storage unit (6) to a heating device (8) of the room (2), wherein the heat / cold generator (4) is provided and equipped to heat or cool the heating medium (5) as required. In order to provide a temperature control system and a method for temperature control of a room that can be operated as efficiently as possible, an air conditioning unit (9) arranged in the at least one room (2) is proposed for cooling the room air of the room (2), wherein the air conditioning unit (9) has a chiller (10), wherein the air conditioning unit (9) is operatively connected to the piping system (7) in such a way that waste heat generated at the air conditioning unit (9) as a result of cooling operation of the air conditioning unit (9) can be transferred to the heating medium (5) and the heating medium (5) can be discharged by means of the piping system (7) towards the medium storage (6).

There is provided a heat pump system arranged to heat or cool a building, wherein the heat pump system comprises a heat pump circuit. The heat pump circuit includes: an evaporator configured to absorb heat from a source; a compressor configured to compress a refrigerant and increase its temperature; a condenser configured to release heat from the refrigerant into a sink; and an expansion valve configured to regulate the flow of refrigerant and lower its temperature before it re-enters the evaporator. The refrigerant is arranged to flow continuously through the circuit, from the evaporator to the compressor, to the condenser, to the expansion valve, and back to the evaporator, to provide said heating or cooling to the building. The heat pump system further comprises a DC battery arranged to at least partially power the compressor.

In order to improve the utilization of energy available throughout the year for heat generation in or on buildings (54), the invention provides a heat pump heating system (50) for a building (54), comprising: a heat source device (52) with a heat source system (2) for providing environmental heat from the environment, a heat pump (1) for converting the environmental heat provided by the heat source device (52) into heating energy for the building (54), wherein the heat pump (1) has a refrigerant circuit (56) connected to the heat source device (52) with a first refrigerant line (58) which is connected to the heat source system (2) with a flow line (58.2) and a return line (58.2), and a heat distribution and storage system for distributing or storing heating energy, characterized in that that the heat source device, in addition to the heat source system (2), has an additional heat accumulator (12, 27) with a storage medium and a heat feed device (62) for feeding excess energy as heat into the additional heat accumulator (12, 27), wherein the refrigerant circuit (56) has a second refrigerant line (25) connected to the additional heat accumulator (12, 27) with a flow line (10) and a return line (11).

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 multi-energy coupled cooling / heating system, 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.

A system for heating or cooling of a building (6), comprising: - a first fluidic duct and a second fluidic duct, wherein - the first fluidic duct forms an open cycle, uses air as a working fluid and comprises mane specific components, when viewed along the path of the air flowing through the said first fluidic duct, - the second fluidic duct forms a closed cycle and comprises: one or more heat exchangers for heating or cooling of the building (6) and the heat exchanger (5), located in the room (4) and configured for exchanging heat with the air from the first fluidic duct in the room (4), wherein the first fluidic duct and the second fluidic duct are fluidically separated, wherein the underground wells (2) are equipped with means for extracting water therefrom.

A heat pump system configured to heat or cool a building is provided. The heat pump system comprises a heat pump circuit. The heat pump circuit includes an evaporator configured to absorb heat from a heat source; a compressor configured to compress a refrigerant and raise its temperature; a condenser configured to release heat from the refrigerant into a sink; and an expansion valve configured to regulate the flow of the refrigerant and lower its temperature before it returns to the evaporator. The refrigerant is configured to flow continuously through the circuit from the evaporator to the compressor, the condenser, the expansion valve, and back to the evaporator to provide the heating or cooling to the building. The heat pump system further comprises a DC battery configured to at least partially power the compressor.

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 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.

Hot water and / or heating system (100) with: - an exhaust gas heat exchanger (120) which is in fluid-conducting communication with a discharge unit (113) of a heating device (110) and is arranged in the exhaust gas stream of the discharge unit (113) in such a way as to exchange the amount of heat containing in the exhaust gas stream; - a fluid storage unit (130) which is in fluid-conducting communication with the exhaust gas heat exchanger (120), designed to absorb the amount of heat from the exhaust gas heat exchanger (120) into a fluid contained in the fluid storage unit (130), - a heat pump (140) which is in fluid-conducting connection with the fluid storage tank (130) on the cold side, designed to provide the heat quantity of the fluid of the fluid storage tank (130) to the heating circuit (114) on the warm side of the heat pump (140), and - a three-way valve (150) is interposed in a fluid-conducting connection between the cold side of the heat pump (140) and the fluid storage tank (130), wherein the three-way valve (150) is designed to limit a maximum inlet temperature of the fluid to the cold side of the heat pump (140), characterized in that a storage device (160) is provided which is designed to store the amount of heat generated by the heat pump (140), and the storage device (160) is fluidly connected to the heating circuit (114) and to the warm side of the heat pump (140), so that return water of the heating circuit (114) can be preheated with the flow of the warm side of the heat pump (140) via the storage device (160).

A removable installation kit improves connection of a heating device to a heating network during a multi-stage installation of a multi-component heating system including a first fluid pipe network and a second fluid pipe network. The kit comprises a body arranged to be attachable to a structure, for example a wall, and the body comprises a first plurality of fluid connectors for connecting the heating device to the first fluid pipe network, and a second plurality of fluid connectors for connecting the heating device to the second fluid pipe network. The body is arranged to be removeable, after the heating device is connected to the heating network, from the structure, from the first plurality of fluid connectors, and from the plurality of second fluid connectors.

The invention relates to the technical field of heat supply systems, in particular to a municipal heat supply network backwater and ground source heat pump coupling heat supply system and a working method thereof, and solves the problem that in the prior art, a ground source heat pump is independently adopted for heat supply, so that soil heat unbalance is easily caused, and the municipal heat supply network backwater and ground source heat pump coupling heat supply system comprises a heat supply network backwater heat compensation assembly, a heat storage assembly and a ground source heat pump assembly; the heat supply network backwater heat compensation assembly and the heat storage assembly are connected with a heat supply network backwater pipe network, the heat supply network backwater heat compensation assembly and the heat storage assembly are arranged in parallel, the heat supply network backwater heat compensation assembly or the heat storage assembly supplies heat to a user sequentially through a first valve station and a second valve station, and the ground source heat pump assembly supplies heat to the user through the second valve station. A buried pipe in the heat supply network backwater heat compensation assembly and a buried pipe in the ground source heat pump assembly are switched in parallel connection or series connection through a second valve station; or the heat storage assembly and the buried pipe in the ground source heat pump assembly are switched in parallel connection or series connection through the second valve station. The device has the advantages that water supplied to the buried pipes is heated in a cascade mode in a series connection mode, and the problem of soil thermal unbalance is relieved.

To provide a system for providing household hot water and heating at least one space, which has a small and compact design.SOLUTION: A system includes: a heat transfer device 19 for providing household hot water; at least one emitter 14 for heating at least one space; a fluid network for transferring a first heat transfer fluid; a first heat exchanger 15 for transferring heat between the first heat transfer fluid and a second heat transfer fluid; a second heat exchanger 21 for pre-heating water to be further heated by the heat transfer device to obtain household hot water; and a controller. The fluid network includes a heat pump unit 1, at least one valve, and pipes, and the heat pump unit includes a compressor and at least one expansion valve. The fluid network is configurable by the controller in a plurality of specific configurations, and the controller is configured such that it can operate the system in a plurality of specific modes.SELECTED DRAWING: Figure 1

The invention relates to a modular geothermal energy center that will find application in thermal engineering, and in particular will serve to provide heating and cooling power in newly constructed or existing buildings. The modular geothermal energy center includes a main container (1) in which at least one geothermal heat pump (2) is installed, having a condensing and an evaporating part. The evaporating part of each geothermal heat pump (2) is connected through boreholes to geothermal sources, while the condenser part of the geothermal heat pump (2) can be connected to a heating and cooling installation, as well as to a hot water supply installation. The modular geothermal energy center has a heat-transferring fluids managing unit (5), including electronically controlled three-way valves, and one or more additional modules (7, 12, 13) with equipment for hot water supply and indoor installation for heating and cooling. All operation modes of the modular geothermal energy center are controlled by a power supply and control panel (21).

A hot water supply unit includes: a refrigerant unit (U) including a refrigerant circuit (R1) that performs a refrigeration cycle using a first refrigerant that is a flammable refrigerant; a tank (41) configured to store water directly or indirectly heated by the first refrigerant; and a casing (60) disposed in the indoor space (I) and configured to house the refrigerant unit (U) and the tank (41). The refrigerant unit (U) is disposed below the tank (41).

A settlement heating network, in particular a cold local heating network or district heating network, comprising a closed thermal-fluid circuit (1) for distributing thermal energy at least for a first building (7, 27) and for a second building (7, 27), in particular a first and second dwelling (2, 27), wherein the thermal-fluid circuit (1) comprises at least a thermal fluid and at least a first heat source (12, 22), and also at least a first removal device (2, 20) for the first building (7, 27) and a second removal device (2, 20) for the second building (7, 27), wherein the first removal device (2, 20) is designed to remove and / or transfer thermal energy for the first building (7, 27) and wherein the second removal device (2, 20) is designed to remove and / or transfer thermal energy for the second building (7, 27), is proposed in order to improve heating networks further, in particular in order to reduce the complexity and / or to increase the energy efficiency and economic efficiency and / or to realize new functionalities. This is achieved according to the invention in that the closed thermal-fluid circuit (1) has at least one hydraulic series connection at least of the first removal device (2, 20) for the first building (7, 27) and of the second removal device (2, 20) for the second building (7, 27) and / or of the first heat source (12, 22).