6 results about "Hot water supply" patented technology

A distributed solar power generation and hot water supplying system includes: a photovoltaic power generation self-service sun tracking system, an inverter, a controller, a storage battery, a heat-exchanging water tank and an electric heater provided therein, wherein a solar battery and a solar collector are mounted on the photovoltaic power generation self-service sun tracking system, an electricity output terminal of the photovoltaic power generation self-service sun tracking system is respectively connected to an inversing input terminal of an inverter and a surplus power supplying input terminal of a controller; an MCU-controlled power output terminal of the inverter is respectively connected for off-grid power consumption or grid-connected power generation, and to an inversing output terminal of the controller; a charging/discharging control output/input terminal inside the inverter is connected to an input/output terminal of the storage battery and a storage battery power supplying input terminal of the controller.

The invention discloses a building distributed energy supply system based on a hydrogen fuel cell and an operation method. The building distributed energy supply system comprises a hydrogen fuel cell system, an air source heat pump system and a waste heat recovery system; the hydrogen fuel cell system generates electric power, and the electric power stored by a storage battery is used for driving a compressor and supplying power to a building; and when the air source heat pump system is in a refrigeration mode, a refrigerant prepares chilled water for refrigeration through a plate heat exchanger, when the air source heat pump system is in a heating mode, the refrigerant extracts heat from air through a finned heat exchanger and prepares hot water for heating through the plate heat exchanger, and the waste heat recovery system recovers waste heat of the hydrogen fuel cell for preparing domestic hot water and serves as an auxiliary heat source of the air source heat pump system when the temperature is low in winter. The electric power and waste heat of the hydrogen fuel cell are fully and reasonably utilized, the purposes of building power supply, refrigeration, heating and domestic hot water supply are achieved, the energy utilization rate is increased, the current energy policy requirements of energy conservation and emission reduction are met, and social benefits are remarkable.

The objective of the present invention is to provide a boiler system for bath heating and hot water that is capable of performing heating and hot water preheating by using a single circulation pump for both without the need to separately include a circulation pump for heating and a circulation pump for hot water preheating. In order to achieve the above objective, the present invention provides a boiler system for both heating and hot water, comprising: a heat exchanging unit; a heating water channel connected between the heat exchanging unit and a place to be heated; a tap water supply pipe for supplying tap water to the heat exchanging unit; a hot water supply pipe for supplying hot water to a place requiring hot water from the heat exchanging unit; a hot water recirculation channel connected to the hot water supply pipe at a first branch point branched from one side of the heating water channel; a hot water bypass channel connected from the second branch point branched from the other side of the heating water channel to the tap water supply pipe; and a circulation pump disposed between the first branch point and the second branch point.

The invention discloses a solar energy-electric energy interaction hot water supply system. The solar energy-electric energy interaction hot water supply system is characterized in that a solar heaterand a water conveying pipeline connected with the solar heater are included; a temperature induction controller and an electric heater are arranged on the water conveying pipeline; an electric heaterinduction switch is arranged on the electric heater; the temperature induction controller and the electric heater induction switch are in cooperation connection with a temperature controller; and a water outlet valve is arranged on a water outlet of the water conveying pipeline. The solar energy-electric energy interaction hot water supply system has the advantages that compared with a traditional solar water heater, the too long hot water wait time of users and water resource waste are avoided, electric energy is saved, environment protection is achieved, and use is safe and convenient.

The invention relates to a triple-generation solar heat pump system capable of realizing year-round bathing hot water, heating, refrigeration, and refrigeration and total heat recovery of hot water, and belongs to the technical field of renewable energy. The system is characterized by being capable of switching five running modes through an electromagnetic valve. A triple-generation solar heat pump system device is composed of a double-condenser heat pump unit, a solar heat collector, an underground buried pipe heat exchanger, a compressor, an evaporator, a first-stage condenser, a second-stage condenser, an expansion valve, the electromagnetic valve, a water pump, a fan coiled pipe, a domestic hot water tank, a controller and other equipment parts needed for running the triple-generation solar heat pump system. The device combines a solar system with a double-condenser heat pump technology, and realizes year-round bathing hot water, heating, refrigeration, and refrigeration and total heat recovery of hot water in the case of solving the problem of influence of weather and day and night on the solar system. The triple-generation solar heat pump system is applied to indoor cold supply, heating and hot water supply, and capable of realizing heating of a building in winter, air conditioning in summer and year-round bathing hot water, thereby realizing energy conservation and emission reduction of the building.