64results about "Central heating exchangers" patented technology

A system includes: a heat generator obtaining heat from a heat source and having a generator outlet port and a generator return port; a central heating circuit having a heating feed port and a heating return port; a tank having a top portion and a bottom portion, the tank containing a heat storing medium; a first tapping coil immersed in the heat storing medium in the bottom portion of the tank; and a second tapping coil immersed in the heat storing medium in the top portion of the tank The heat generator, second tapping coil, central heating circuit, and first tapping coil are fluidly connected in series to allow fluid to flow from the heat generator via at least one of the second tapping coil, the central heating circuit, and the first tapping coil back to the heat generator The system includes first, second and third three-way valves.

The present application relates to a system (100) for producing domestic hot water and heat for central heating, the system (100) comprising: a heat generator (1) for obtaining heat from a heat source, the heat generator (1) having a generator outlet port (1.1) and a generator return port (1.2); a central heating circuit (3) having a heating supply port (3.1) and a heating return port (3.2); a tank (11) having a top and a bottom, the tank (11) containing a thermal storage medium (12); a first tapping coil (7) immersed in the thermal storage medium (12) in the bottom of the tank (11); a second tapping coil (6) immersed in the thermal storage medium (12) in the top of the tank (11); and means (8, 9, 13, 14) for warming domestic hot water; wherein the heat generator (1), the second tapping coil (6), the central heating circuit (3) and the first tapping coil (7) are fluidly connected in series so as to allow fluid to flow from the heat generator (1) back to the heat generator (1) via at least one of the second tapping coil (6), the central heating circuit (3) and the first tapping coil(7); the system (100) further comprising: a first three-way valve (2) fluidly connected to the generator outlet port (1.1), the second tapping coil (6) and the heating supply port (3.1), and configured to selectively bypass or flow fluid through the second tapping coil (6); a second three-way valve (4) fluidly connected to the heating supply port (3.1) and the heating return port (3.2), and configured to selectively bypass or flow fluid through the central heating circuit (3); and a third three-way valve (5) fluidly connected to the first tapping coil (7) and the generator return port (1.2), and configured to selectively bypass or flow fluid through the first tapping coil (7).

The present invention regards a recirculation device (1) installable on a distribution system for sanitary water. The recirculation device comprises a heat exchange unit (2) installable on a recirculation line of the system, which has a first and a second chamber (2a, 2b) distinct from each other: the first chamber has a delivery inlet (2a') and a delivery outlet (2a'') while the second chamber has at least one recirculation inlet (2b') and one recirculation outlet (2b''). The recirculation inlet is connectable to a first section of a recirculation line (106a) which connects a user (105) with the heat exchange unit, while the delivery outlet of the heat exchange unit is connectable to a second section of the recirculation line which connects the heat exchange unit with a general fluid outlet (103). The recirculation device is configured to define a recirculation condition in which part of the fluid in transit along the recirculation line traverses the second chamber of the heat exchange unit.

A heat transfer device for transferring heat from a cooling medium for a heat-generating system to a heating medium for a heat-consuming system, comprising - a first pipe network (302; 402) having a first inlet (303; 403) for the cooling medium coming from the heat-generating system, and a first outlet (304; 404) for the cooling medium to the heat-generating system; - a second pipe network (305; 405) having a second inlet (306; 406) for the heating medium coming from the heat-consuming system, and a second outlet (307; 407) for the heating medium to the heat-consuming system; - a heat pump (308B; 408B) for an active heat transfer from the cooling medium in the first pipe network (302; 402) to the heating medium in the second pipe network (305; 405); and - a heat exchanger (308A; 408A) for a passive heat transfer from the cooling medium in the first pipe network (302; 402) to the heating medium in the second pipe network (305; 405), wherein the first pipe network (302; 402) is configurable such that the cooling medium coming from the heat-generating system, can be guided successively through the heat exchanger (308A; 408A) and the heat pump (308B; 408B) in series.

A solar thermal combined heating and power system includes: a solar thermal array; a thermal energy storage unit; a generator unit configured to provide electrical power to the structure; an array-to-storage heat transfer device configured to transfer thermal energy from the solar thermal array to the thermal energy storage unit; a storage-to-generator heat transfer device configured to transfer thermal energy from the thermal energy storage unit to the generator unit; a storage-to-water heat transfer device configured to transfer thermal energy from the thermal energy storage unit to the water reservoir; a storage-to-air heat transfer device configured to transfer thermal energy from the thermal energy storage unit to the interior air of the structure; and a control unit configured to operate the array-to-storage heat transfer device, the storage-to-generator heat transfer device, the storage-to-water heat transfer device, and the storage-to-air heat transfer device.

The invention relates to a thermal management system (2) which is designed to be connected to a heat pump (4). According to the invention, it is proposed that the heat management system (2) comprises a buffer storage tank (6) with at least one flow fluid inlet (8) and at least one return fluid outlet (10), wherein the flow fluid inlet (8) can be fluidly connected to a flow (16) of a heat pump (4) via a heat pump flow connection (14), and the return fluid outlet (10) can be fluidly connected to a return (20) of the heat pump (4) via a heat pump return connection (18), wherein the heat management system (2) further comprises a space heating flow connection (30) and a space heating return connection (32) for connecting a space heating system (34), wherein the space heating flow connection (30) is fluidly connected to the flow fluid inlet (8) or a further flow fluid inlet of the buffer storage tank (6) and the heat pump flow connection (14).and wherein the space heating return connection (32) is fluid-conductingly connected to the return fluid outlet (10) or to another supply fluid inlet of the buffer storage tank (6) and the heat pump return connection (18), and wherein the heat management system (2) is enclosed in a housing (46).

The invention relates to a device for generating heat for feeding it into a heating circuit 12, comprising: - a high-pressure pump 2, driven by a motor, in particular an electric motor, and connected in a liquid circuit, with an inlet 4 through which the liquid to be pumped enters the pump 2, and with an outlet 5 from which the pumped liquid exits; - at least one heat generator 6, 24, connected in the liquid circuit and downstream of the pump 2, causing friction in the liquid flow by reducing the flow cross-section and designed in the manner of a hydraulic orifice with one or more flow openings, wherein the hydraulic orifice has a cross-sectional geometry that is not influenced by the delivery pressure of the liquid flow, so that the temperature of the liquid flow pumped by the at least one heat generator 6, 24 is increased; - a liquid storage tank 10, 10.1, 10.2, the contents of which can be heated by the liquid flow heated in the at least one heat generator, and - a heating circuit 12 connected to the liquid storage 10, 10.1, 10.2.

A settlement heating network, in particular a cold district heating network or long-distance heating network, with a closed heat fluid circuit (1) for distributing heat energy to at least a first building (7, 27) and a second building (7, 27), in particular a first and second residential building (2, 27), is proposed in order to further improve heating networks. The heat fluid circuit (1) comprises at least a heat fluid and at least a first heat source (12, 22) as well as at least a first receiving device (2, 20) for the first building (7, 27) and a second receiving device (2, 20) for the second building (7, 27), wherein the first receiving device (2, 20) is configured for receiving and / or transferring heat energy for the first building (7, 27) and wherein the second receiving device (2, 20) is configured for receiving and / or transferring heat energy for the second building (7, 27).In particular, to reduce effort and / or increase energy efficiency and cost-effectiveness and / or to implement new functionalities. This is achieved according to the invention by the fact that the closed heat fluid circuit (1) has at least one hydraulic series connection at least of the first discharge device (2, 20) for the first building (7, 27) and the second discharge device (2, 20) for the second building (7, 27) and / or the first heat source (12, 22).

A unit for providing a quantity of hot water suitable for washing or bathing, the unit having maximum dimensions of 750mm wide x 750mm depth x 1200mm height, the unit comprising an unpressurised tank for storing an energy storage liquid, and the unit further comprising first and second heat exchangers connected to the tank to form a closed fluid circuit for the energy storage liquid, the first heat exchanger being arranged to transfer heat from a heat source to the energy storage liquid and the second heat exchanger being arranged to transfer heat from the energy storage liquid to incoming cold water, the unit further comprising a plurality of valves located within the closed fluid circuit, and a processor for controlling the valves, the processor being configured to operate the valves such that the closed fluid circuit can be switched between a first configuration providing a first series of flow paths between the tank and the heat exchangers and a second configuration providing a second series of flow paths between the tank and the heat exchangers.

Disclosed herein, is an integrated thermal management system that efficiently manages the heat or cold flows while minimizing the energy loss and the space requirements with lower operational costs. The system herein comprises a distributed network of heat exchanging means with a flowing heat collector, the heat collector adapted to collect the waste heat from a plurality of sources through a thermal connection between each of the sources and the heat collector and the consumers. A centralized control unit is embedded in the system to control the extraction and absorption of heat between the heat collector and the sources and a centralized dissipation unit for releasing the extracted waste heat to the ambient air.

A heating system of a building includes: a solar heater configured to receive sunlight and to at least one of absorb heat into a refrigerant and augment heat absorbed into the refrigerant; a compressor configured to compress the refrigerant that vaporized via absorption of heat; a first heat exchanger configured to transfer heat from the refrigerant to water; an expansion valve configured to reduce at least one of a temperature and a pressure of the refrigerant after the transfer of heat from the refrigerant to water; a second heat exchanger configured to transfer heat from water output from the first heat exchanger to air passing the second heat exchanger before flowing into the building; a pump configured to pump the water from the solar heater to the second heat exchanger; and a blower configured to blow air past the second heat exchanger and into the building.

This disclosure provides a hot water storage tank equipped with an internal heat exchanger in which the support members are securely attached, while also facilitating the extension of the lifespan of the support members. [Solution] The hot water storage tank in this disclosure comprises a tank body, an internal heat exchanger housed inside the tank body and having a spirally wound spiral pipe section, and a support member that engages with the internal heat exchanger and supports the internal heat exchanger so as to be spaced apart from the inner surface of the tank body, wherein the support member has a contact section that abuts against the inner surface of the tank body and an insertion section formed radially inward of the contact section, the insertion section having a wide section that is wider than the spacing between the pipes of the spiral pipe section, and the insertion section is inserted between the pipes of the spiral pipe section so that the wide section is positioned radially inward of the pipes of the spiral pipe section.

The invention provides a cold storage temperature adjustable heat pump energy storage system and a control method thereof, and the system is provided with a refrigerant temperature adjusting module in front of a cold side inlet of a low-temperature heat exchanger which exchanges heat with a refrigerant. The refrigerant temperature adjusting module comprises a low-temperature expansion machine and a control unit and further comprises a throttling valve and / or a flow adjusting valve. The temperature of the circulating working medium entering the cold side inlet of the first low-temperature heat exchanger is controlled by adjusting the opening degree of the throttling valve and / or the flow adjusting valve, and the temperature of the low-temperature refrigerant after heat exchange is indirectly controlled. The refrigerant can adapt to different external environment temperatures, the risk of refrigerant solidification is avoided, and the safety, stability and adaptability of the system are guaranteed. And refrigerant type selection is more convenient. Due to the fact that the refrigerant temperature is controlled through the throttling valve and / or the flow adjusting valve, the equipment investment is small, and transformation is convenient.

The present disclosure relates to a hot water storage tank comprising an internal heat exchanger with a support element firmly attached thereto, wherein the service life of the support element can be extended effortlessly. The hot water storage tank according to the present invention comprises: a tank body; an internal heat exchanger located inside the tank body and comprising a spirally wound spiral tube section; and a support element that engages with the internal heat exchanger and supports the internal heat exchanger in such a way that the internal heat exchanger is held at a distance from the inner surface of the tank body, wherein the support element comprises a bearing section that abuts the inner surface of the tank body and an insertion section that is formed radially inside the bearing section, wherein the insertion section has a wide section that is wider than a tube spacing of the spiral tube section, and wherein the insertion section is inserted between the tube sections of the spiral tube section such that the wide section is located radially further inside than the tube sections of the spiral tube section.

The present disclosure relates to a hybrid multi-air conditioning system. The hybrid multi-air conditioning system of the present disclosure includes a hot water supply unit including a hot water supply heat exchanger for exchanging heat between the refrigerant and water accommodated in the water tank and a first hot water supply expansion valve for blocking or flowing the refrigerant condensed from the hot water supply heat exchanger; at least one indoor device installed indoors and including an indoor heat exchanger and an indoor expansion valve; an outdoor device connected to the indoor device and the hot water supply unit through a refrigerant pipe and including an outdoor heat exchanger, a compressor, and an outdoor expansion valve; a second hot water supply discharge pipe having one side branched from the first hot water supply discharge pipe connecting the hot water supply heat exchanger and the indoor heat exchanger and the other side joining the first discharge pipe connecting the compressor and the outdoor heat exchanger; and a second hot water supply expansion valve installed on the second hot water supply discharge pipe.

Ceiling-mounted radiating elements for heating or cooling rooms, comprising means for connecting the ceiling-mounted radiating elements together, wherein the ceiling-mounted radiating elements comprise at least one through-flow pipe for a heating or cooling medium, and radiating surfaces are arranged radially around said pipe, wherein to connect two ceiling-mounted radiating elements (1, 1′), at least one core piece (2) is provided which allows an operationally tight connection of the through-flow pipes (3) of two ceiling-mounted radiating elements (1, 1′) to be connected, and at least one mounting rail (4) for positioning at least one connecting part (5) is provided, which locks and secures the ceiling-mounted radiating elements (1, 1′) when a connection is produced.

The invention relates to a thermal module (10) for use in a heating system, the thermal module being configured: a) to supply a heat carrier for heating an indoor space, and b) to heat incoming cold tap water with heat from the heat carrier,the thermal module comprising on a secondary side thereof:- a cold tap water channel (52) extending from the cold water entry (16) to the secondary entry (36),- a hot tap water channel (38) extending from the secondary exit to the hot tap water exit (18),- a bypass channel (55) which bifurcates from the cold tap water channel (52) at a bifurcation location (54) and merges with the hot tap water channel at amerge location (57) and which bypasses the heat exchanger.

A Heating Ventilation and Air Conditioning (HVAC) burner assembly is disclosed. The HVAC burner assembly includes one or more burners comprising a downstream side and an inlet disposed on an upstream side. An inlet manifold, in fluid communication with the inlet of the one or more burner, is adapted to supply a primary air-fuel mixture to the inlet of the one or more burner. At least one mechanical blower is in fluid communication with the inlet manifold. The at least one mechanical blower includes an impeller adapted to receive and mix a fuel with primary air for generating the primary air-fuel mixture.

This invention discloses a waste heat utilization heating system for a carbon plant, belonging to the field of industrial waste heat utilization technology. It includes a heat exchange subsystem comprising a plate heat exchanger, a steam absorption heat pump, and a steam-water heat exchanger arranged sequentially. The plate heat exchanger and the steam absorption heat pump are both connected to a water jacket circulating water subsystem. The steam absorption heat pump and the steam-water heat exchanger are both connected to a steam pipe and a condensate supply subsystem. The water jacket circulating water subsystem supplies heat to the plate heat exchanger and / or the steam absorption heat pump, and the steam pipe supplies heat to the steam absorption heat pump and / or the steam-water heat exchanger.

The present application relates to a system (100) for producing domestic hot water and heat for central heating comprising a heat generator (1) for obtaining heat from a heat source, the heat generator (1) having a generator outlet port (1.1) and a generator return port (1.2); a central heating circuit (3) having a heating feed port (3.1) and a heating return port (3.2); a tank (11) having a top portion and a bottom portion, the tank (11) containing a heat storing medium (12); a first tapping coil (7) immersed in the heat storing medium (12) in the bottom portion of the tank (11); a second tapping coil (6) immersed in the heat storing medium (12) in the top portion of the tank (11); and means (8, 9, 13, 14) to warm up domestic hot water; wherein the heat generator (1), the second tapping coil (6), the central heating circuit (3), and the first tapping coil (7) are fluidly connected in series so as to allow fluid to flow from the heat generator (1) via at least one of the second tapping coil (6), the central heating circuit (3), and the first tapping coil (7) back to the heat generator (1); the system (100) further comprising a first three-way valve (2) fluidly connected to the generator outlet port (1.1), the second tapping coil (6), and the heating feed port (3.1) and configured to selectively let the fluid bypass, or flow through, the second tapping coil (6); a second three-way valve (4) fluidly connected to the heating feed port (3.1) and the heating return port (3.2) and configured to selectively let the fluid bypass, or flow through, the central heating circuit (3); and a third three-way valve (5) fluidly connected to the first tapping coil (7) and the generator return port (1.2) and configured to selectively let the fluid bypass, or flow through, the first tapping coil (7) .

The invention relates to a heating system comprising a heat pump circuit (1) through which a heat pump circuit medium flows, a heating circuit (2) through which a heating circuit medium flows, a first heat exchanger (2.1) arranged on the heating circuit (2) and through which the heating circuit medium flows, and a second heat exchanger (2.2) arranged between the heat pump circuit (1) and the heating circuit (2) and through which the heat pump circuit medium flows on one side and the heating circuit medium flows on the other, wherein a sensor (4) connected to a control device (3) is arranged on the heating circuit (2) downstream of the second heat exchanger (2.2) and upstream of the first heat exchanger (2.1) for detecting heat pump circuit medium in the heating circuit medium. According to the invention, it is provided that on the heating circuit (2) downstream of the first heat exchanger (2.1) in the direction of flow of the heating circuit medium, a sensor (4) connected to a control device (3) is arranged for detecting heat pump circuit medium in the heating circuit medium.1) and an additional sensor (5) connected to the control device (3) is arranged in front of the second heat exchanger (2.2) for the detection of heat pump circulating medium in the heating circulating medium.

A heat pump system according to one aspect of the disclosed invention comprises: a compressor for compressing a refrigerant; a water tank for storing water; a heat exchanger for exchanging heat between the refrigerant introduced from the compressor and the water introduced from the water tank and supplying the heat-exchanged water to the water tank; a heating coil for heating the water stored in the water tank; and a pipe temperature sensor for detecting a first temperature of an inlet pipe for supplying cold water to the water tank or a second temperature of an outlet pipe for discharging hot water from the water thank; and a first control unit for determining whether to use the hot water on the basis of the first temperature of the inlet pipe or the second temperature of the outlet pipe directed by the pipe temperature sensor, determining a hot water use pattern of a user according to the use of the hot water, and determining on or off of the compressor on the basis of the hot water use pattern.

An air-conditioning hot-water-supply system (1) includes: a refrigeration circuit (21) that includes a heating-medium heat exchanger (11) configured to exchange heat between a refrigerant and a heating medium and can perform heating and cooling of the heating medium by the refrigerant in the heating-medium heat exchanger (11); a common path (41a) connected to a utilization side of the heating-medium heat exchanger (11), allowing a cooled heating medium to flow through the common path (41a) during a cooling operation, and allowing a heated heating medium to flow through the common path (41a) during a hot water supply operation; a heater (13) heating the heating medium; and a controller (10) controlling the refrigeration circuit (21) and the heater (13). The controller (10) turns on the heater (13) for a predetermined period of time at a time of switching from the cooling operation to the hot water supply operation.

Water heater (3) with - a fluid inlet (21) for water (73) to be heated and a fluid outlet (23) between which a fluid flow path (35) runs, - a plurality of heat exchanger modules (3) each having a fluid partial flow path (33) and a heating medium flow path (37), wherein the fluid partial flow paths (33) are fluidically connected and form the fluid flow path (35), - wherein in a first heat exchanger module from the plurality of heat exchanger modules (27) its fluid partial flow path (33) and its heating medium flow path (37) are thermally coupled with a first phase change material (31), - wherein in a second heat exchanger module from the plurality of heat exchanger modules (27) its fluid partial flow path (33) and its heating medium flow path (37) are thermally coupled with a second phase change material (31), - wherein the first and the second phase change material (31) are configured to store thermal energy as latent heat from the heating medium flow path (37) and to release thermal energy that has been stored as latent heat to the fluid partial flow path (33), wherein the first phase change material (33) has a first melting temperature and the second phase change material (33) has a second melting temperature which differs from the first melting temperature.

Heat pump hydraulic unit, comprising a plurality of first hydraulic connections, a hydraulic manifold for connecting the first hydraulic connections, the hydraulic manifold comprising a first and second half-shell each made of plastic, which together form a plurality of hydraulic channels, the first half-shell having a first and second side and an edge, the first half-shell having a plurality of second hydraulic connections at the edge, such that the second hydraulic connections are substantially in one plane, the first hydraulic connections being connectable via the second hydraulic connections and the hydraulic channels, the second half-shell having a first and second side and a plurality of system component connections for receiving system components on the first side, each of which is connected to one of the hydraulic channels.

A thermally enhanced heating system (100) and a method for thermally enhancing a HVAC system are provided. The thermally enhanced heating system (100) preferably includes an outdoor HVAC unit (200) and an indoor HVAC unit (300). The indoor HVAC unit (300) includes a first heat exchanger (310) for transferring heat from a refrigerant, a second heat exchanger (320) for transferring heat from a fuel source, and a third heat exchanger (330) for transferring heat to the refrigerant. The outdoor HVAC unit (200) includes an outdoor heat exchanger (210) for transferring heat from an outdoor air to the refrigerant, a pump (220) configured to circulate the refrigerant, and an ejector (230) configured to combine the refrigerant from the outdoor heat exchanger (210) and the third heat exchanger (330). Preferably the outdoor HVAC unit (220) is operated to circulate the refrigerant through a first refrigerant circuit (500) and a second refrigerant circuit (400), and combine refrigerant in the first refrigerant circuit (500) and the second refrigerant circuit (400).

The invention relates to a plate heat exchanger (10), in particular a two-pass domestic-water plate heat exchanger (10) that can be used in an intermediate feed arrangement of a district heating system, wherein the plate heat exchanger (10) has a first side (13) and a second side (14), wherein heat-transfer plates (15) form a plate stack (16) to which at least six ports for pipe connections are connected: - a district heat inlet port (21), - a hot water port (22), - a hot circuit water port (23), - a district heat return port (24), - a cold water port (25), - an intermediate feed port (26), and wherein, on the first side (13), the district heat water is received to heat preheated domestic water and hot circuit water and, on the second side (14), the district heat water is received to preheat cold domestic water. The intermediate feed port (26) is located on the opposite side of the plate stack (16) of the plate heat exchanger (10) relative to the hot circuit water port (23), and the intermediate feed water is received to preheat cold district heat water on the second side (14) of the plate heat exchanger (10) only. The invention also relates to a district-heat heating system and to a method for transferring district heat to a heating system and domestic water.

The invention relates to a heat management system (2) designed for connection to a heat pump (4). According to the invention, it is proposed that the heat management system (2) comprises a buffer storage tank (6) with at least one flow fluid inlet (8) and at least one return fluid outlet (10), wherein the flow fluid inlet (8) can be fluidly connected to a flow (16) of a heat pump (4) via a heat pump flow connection (14), and the return fluid outlet (10) can be connected to a return (20) of the heat pump (4) via a heat pump return connection (18), wherein the heat management system (2) further comprises a space heating flow connection (30) and a space heating return connection (32) for connecting a space heating system (34).wherein the space heating flow connection (30) is fluid-conductingly connected to the flow fluid inlet (8) or another flow fluid inlet of the buffer storage tank (6) and the heat pump flow connection (14), and wherein the space heating return connection (32) is fluid-conductingly connected to the return fluid outlet (10) or another flow fluid inlet of the buffer storage tank (6) and the heat pump return connection (18), and wherein the heat management system (2) is enclosed in a housing (46).

The disclosure relates to a tubular condenser for a heat pump system for exchanging heat between a refrigerant and water in a container. The condenser comprising a tube (11) through which the refrigerant is to flow via a first tube end being a refrigerant inlet of the condenser and a second tube end being a refrigerant outlet of the condenser. The tube (11) of the condenser has a length which at least partly comprises a varying cross-sectional shape (A, B, C, D). The disclosure also relates to a method of manufacturing the tubular condenser.