F24D10/00

Method and apparatus for real-time analysis of district heating pipe network based on time sequence data of heat demand

A method and an apparatus for real-time analysis of the district heating network is disclosed. According to an embodiment of the present disclosure, a method for analyzing a district heating network including pipes and fluids inside the pipes includes receiving, by a processor, pipe data representing a structure of the pipes; receiving, by the processor, input data on at least one of the physical state of the district heating network and the flow of fluids; calculating, by the processor, data for at least one of the physical state of the district heating network or the flow of fluids using the pipe data and the input data.

Method and apparatus for real-time analysis of district heating pipe network based on time sequence data of heat demand

A method and an apparatus for real-time analysis of the district heating network is disclosed. According to an embodiment of the present disclosure, a method for analyzing a district heating network including pipes and fluids inside the pipes includes receiving, by a processor, pipe data representing a structure of the pipes; receiving, by the processor, input data on at least one of the physical state of the district heating network and the flow of fluids; calculating, by the processor, data for at least one of the physical state of the district heating network or the flow of fluids using the pipe data and the input data.

THERMAL ENERGY NETWORK

A district energy network interconnecting a plurality of thermal loads and for redistributing thermal energy therebetween, the network comprising: a primary circuit loop for working fluid, at least two thermal loads thermally connected to the primary circuit loop, at least one of the thermal loads being capable of taking heat from the primary circuit loop and at least one of the thermal loads being capable of rejecting heat into the primary circuit loop, an energy centre connected to the loop and capable of acting as a heat source or a heat sink, and a control system adapted to provide to the primary circuit loop a positive or negative thermal input from the energy centre as a balancing thermal input to compensate for net thermal energy lost to or gained from the at least two thermal loads by the primary circuit loop.

Conditioning and/or heating plant and process of controlling the same plant

A conditioning or heating plant and a process of controlling the plant, wherein plant comprises at least one circuit for distributing a carrier fluid, having a delivery line, a return line, and a plurality of channels directly or indirectly connected to the delivery line and return line and configured for supplying respective environments to be conditioned and/or heated, at least one heat treatment central group placed on the circuit. The plant has, for each of the channels, at least one respective heat exchange unit and at least one flow-rate regulator.

Conditioning and/or heating plant and process of controlling the same plant

A conditioning or heating plant and a process of controlling the plant, wherein plant comprises at least one circuit for distributing a carrier fluid, having a delivery line, a return line, and a plurality of channels directly or indirectly connected to the delivery line and return line and configured for supplying respective environments to be conditioned and/or heated, at least one heat treatment central group placed on the circuit. The plant has, for each of the channels, at least one respective heat exchange unit and at least one flow-rate regulator.

METHOD FOR CONTROLLING HEAT TRANSFER BETWEEN A LOCAL COOLING SYSTEM AND A LOCAL HEATING SYSTEM
20190257540 · 2019-08-22 · ·

The disclosure relates to a method for controlling heat transfer between a local cooling system and a local heating system, the method comprising: determining a local energyconsumption need (LCC1, LCC2) of the local cooling system; determining a local energy consumption need (LHC1, LHC2) of the local heating system; controlling, based on the local energy consumption need (LCC1, LCC2) of the local cooling system and the local energy consumption need (LHC1, LHC2) of the local heating system, a heat pump (50, 50) connected between the local cooling system and the local heating system and configured to transfer heat from the local cooling system to the local heating system.

METHOD FOR CONTROLLING HEAT TRANSFER BETWEEN A LOCAL COOLING SYSTEM AND A LOCAL HEATING SYSTEM
20190257540 · 2019-08-22 · ·

The disclosure relates to a method for controlling heat transfer between a local cooling system and a local heating system, the method comprising: determining a local energyconsumption need (LCC1, LCC2) of the local cooling system; determining a local energy consumption need (LHC1, LHC2) of the local heating system; controlling, based on the local energy consumption need (LCC1, LCC2) of the local cooling system and the local energy consumption need (LHC1, LHC2) of the local heating system, a heat pump (50, 50) connected between the local cooling system and the local heating system and configured to transfer heat from the local cooling system to the local heating system.

Method and system for balancing mass flow during production failure or insufficiency in a district heating network
11994302 · 2024-05-28 · ·

A method for balancing mass flow during production failure or insufficiency in a district heating network comprising a plurality of substations, each substation comprising at least one primary side connected to the district heating network for transferring heat between the district heating network and the substation, a secondary side connected to least one space heating circuit for heating at least one space connected to the substation, and an adjustable valve arranged between the substation and the district heating network, the valve (102) in each substation being controlled by a heat curve f defining a calculated supply temperature (Tsupply, calc) for the space heating circuit on the secondary side of the substation as a function of a measured outdoor temperature (Toutdoor). The method further comprises a step of heat curve compensation for each substation and population compensation for all substations in the population. The result is then used to control the valve in the respective substation.

Thermal energy extraction assembly

A thermal energy extraction assembly is disclosed, the thermal energy extraction assembly is configured to extract heat and/or cold from a thermal energy distribution grid. The assembly may include a connection circuit connecting the assembly to the grid; a first heat exchanger configured to exchange heat from a heating circuit to the grid; a second heat exchanger configured to extract heat from the grid to a cooling circuit; and a plurality of heat pumps each having a condenser side connected to the heating circuit and an evaporator side connected to the cooling circuit, the heat pumps being configured to pump heat from the cooling circuit to the heating circuit.

HYDRONIC FLOOR HEATING SYSTEMS WITH FEATURES

A hydronic floor heating system as it relates to an HVAC apparatus, approach and system. Aspects of the present system and approach may include a radiant floor optimization mode, low floor temperature in vacation mode, modifying a 300 Hz, or so, reading principle base on implementation of Pseudo-random jittering of a reading event improving short-term accuracy of the individual readings, and a combination of hardware and software filters for using thermal sensors with extended cable length.