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2449results about "Storage heaters" patented technology

Bulk curer heat supply and ventilation system supplied by combined solar energy-air source heat pump double heat sources

InactiveCN101711599AAchieve loss reduction and value addedReduce consumptionTobacco preparationSolar heat devicesThermal energyAtmospheric air
The invention discloses a bulk curer heat supply and ventilation system supplied by combined solar energy-air source heat pump double heat sources, which consists of a solar water heating subsystem, an air source heat pump water heating subsystem, an air-water heat exchanger, a frequency conversion circulating water pump, a heat insulating hot water pipeline, a main controller, a circulating fan, an air supply pipe, a fresh air valve and a curer wet air outlet. A condenser of the air source heat pump water heating subsystem is arranged in a heat accumulating water tank; the air source heat pump water heating subsystem is coupled with the solar water heating subsystem through the heat accumulating water tank; and the air source heat pump water heating subsystem adopts a CO2 high temperature refrigerant to prepare high temperature hot water between 85 and 90DEG C. The bulk curer heat supply and ventilation system adopts the solar water heating system and the air source heat pump water heating system, which are combined to operate, to supply heat to the curer, fully utilizes the clean solar energy and low-grade heat energy in the atmosphere, has the advantages of energy conservation, environmental protection and the like, and can realize loss minimization and value addition in the process of curing tobacco leaves.
Owner:KUNMING UNIV OF SCI & TECH

Intelligent overheat detecting electric water heater

InactiveCN106016710AIntelligent detection and control of overheating problemsReal-time monitoring of pressure changesStorage heatersWater heatersElectricityData connection
The invention provides an overheat detecting electric water heater which comprises a controller, an electric heating device and a water box, wherein the electric heating device is arranged in the water box; an electric heater comprises a left tube box, a right tube box and a heat exchange tube for communicating the left tube box with the right tube box; the electric heater is arranged in the left tube box and/or the right tube box; the heat exchange tube, the left tube box and the right tube box form a heating fluid closed cycle; a pressure sensor is also arranged on the electric heating device, and is used for detecting pressure in the electric heating device; the electric heating device and the pressure sensor are connected with the controller in a data manner; the controller judges whether a temperature is overheated or not according to the detected pressure to automatically control the running of the electric water heater; the controller is connected with a cloud server; the cloud server is connected with a water heater client, wherein the controller transmits measured pressure data to the cloud server, and afterwards, transmits the measured pressure data to the client through the cloud server; the client is a mobile phone; an APP program is installed in the mobile phone; a user can obtain the pressure data through the client. The intelligent overheat detecting electric water heater can intelligently detect the overheat of a heating device of a water heater, moreover, carries out intelligent control, and improves safety.
Owner:QINGDAO UNIV OF SCI & TECH

Waste heat recovery device of air compressor and control method of waste heat recovery device

The invention discloses a waste heat recovery device of an air compressor and a control method of the waste heat recovery device. The waste heat recovery device comprises heat exchanging modules and enhanced heat exchanging modules, wherein the heat exchanging modules are arranged in parallel at the two ends of an oil-channel electric valve; the reinforcing heat exchanging modules are arranged in parallel at the two ends of the air-channel electric valve; the heat exchanging modules and the reinforcing heat exchanging modules are utilized to recover and store the heat energy in circulating oil and the heat energy in compressed air lost and wasted when the air compressor operates; the heat energy of the compressed air can be recycled at highest efficiency under the premise that the operation of the air compressor is not impacted. According to the waste heat recovery device of the air compressor and the control method of the waste heat recovery device, the collected data are analyzed and operated so as to realized effective high intelligent control; not only is the efficiency of the operation of the air compressor improved, but also the energy input of the heat energy utilizing modules can be reduced, the energy consumption or fuels for heating are lowered, and energy comprehensive utilizing degree is improved. Therefore, the waste heat recovery device has the advantages that the energy-saving effect is good, the intelligent degree is high, and the stability is excellent.
Owner:ZHEJIANG UNIV
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