An inner power plant portion and a heat exchange station portion. The inner power plant portion includes a heat exchanger, a waste heat recovery electric heat pump, an energy-storing electric heat pump, high/low temperature water storing tanks, a heating network heater, a valve and a circulating water pump; the heat exchange station portion includes high/low temperature water storing tanks, an electric heat pump, a heat exchanger, a valve and a circulating water pump; as for the operating method of the device, the device can operate in periods of an electrical load trough, an electrical load flat and an electrical load peak respectively through combination of different valve switches, the high temperature water storing tank is used for balancing the difference between system heat supply amount and heating load, the low temperature water storing tank is used for stabilizing steam exhaust waste heat recovery amount.

Process for uniformizing the temperature of a liquid coming from a conduit with a constant total flow rate (Qtot), said temperature having a periodic trend in time defined by a first waveform, in which a tank (100) is provided, defining a longitudinal axis, having a lower zone (11) and an upper zone (12), and provided with at least two inlets arranged in a succession between the lower zone (11) and the upper zone (12), with a first inlet (1) proximal to the upper zone (12) and an n-th inlet (n) proximal to the lower zone (11), and provided with at least one outlet (9) arranged between the first inlet (1) and the upper zone (12), and wherein each inlet is arranged at a predetermined distance from the next one along said longitudinal axis.

A heat recovery system arranged to heat water includes at least one heat exchanger (9) arranged to heat water by heat exchange with waste heat. A storage reservoir (11) is arranged to store water heated by the heat exchanger (9). The heat exchanger (9) is switchable between a first mode of operation in which water is circulated by a pump (12) in a circuit that includes the storage reservoir (11) and the heat exchanger (9), and a second mode of operation in which water is circulated by the pump (12) in a circuit that by-passes the heat exchanger (9). Heated water of at least a desired minimum temperature can be supplied to at least one outlet during both the first and second modes of operation.

A thermally optimised circulation fluid system is proposed which comprises a circulation line, a circulation pump unit and a control unit. The circulation pump unit and the circulation line together form a circulation circuit. The circulation pump unit is configured for transferring an amount of thermal energy directly or indirectly to a fluid located in the circulation line. The control unit is configured for adjusting the amount of thermal energy which is transferrable to the fluid.

The present application relates to a heat recovery apparatus and a method thereof, according to the heat recovery apparatus and a method thereof according to an embodiment of the present application, steam of 120 C. or more may be generated using only one heat exchanger using waste heat of a low-grade heat source in the state of a sensible heat of 70 C. or more discharged in industrial sites or various chemical processes, for example, such as a manufacturing process of petrochemicals, and the generated steam may also be used in various processes, and thus the use of high temperature steam which is an external heat source to be used in a reactor or a distillation column may be decreased, thereby maximizing energy saving efficiency.

The invention relates to a thermal supply network (1000) for a process plant, in particular for a painting plant, comprising a fluid connection for supplying consumers (200, 220; 300, 302, 304, 306; 320, 322, 324) arranged therein with heat and/or cold via a heat transfer fluid in the fluid connection, in which at least two consumers (200, 300, 320; 220, 302, 304, 306, 322, 324) are connected fluidically in series, wherein the first consumer (200, 300, 320) is fluidically connected at least temporarily, by means of its first outlet (205, 305, 325) for the heat transfer fluid, to a second consumer (220, 302, 304, 306, 322, 324) via the second inlet (223) thereof.

The invention relates to a system and a method for preventing sediment formation in at least one tank during heat extraction of thermal energy from wastewater from properties, which the system comprises; at least one pump pit, a wastewater inlet, a pump, a pump pit outlet and a drain opening, at least one buffer tank, and at least one collector tank 1, a heat exchanger, in the collector tank, a heat pump, and an accumulator for accumulating heat. To avoid sediment formation, at least one of the pump pit, the buffer tank or the collector tank comprises at least one ejector for compressed air arranged therein, which ejector is connected to a compressed air device for controlling the supply of compressed air to at least one of the at least one pump pit, the buffer tank or the collector tank through the at least one ejector.

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.