36 results about "Central solar heating" patented technology

The invention relates to a geothermal-based central heating method using a thermal-increasing heat supply machine unit, belonging to the field of heat supply engineering. The method adopts the soil source or water source thermal-increasing heat supply machine unit to replace a heat exchanger used in the conventional central heating method, uses high temperature hot water supplied by a primary heat supply network as the driving heat source of the thermal-increasing heat supply machine unit, extracts heat from low grade heat source such as thin layer soil or water source, and supplies heat to the user by heating a secondary heat supply network by using the driving heat source and the low grade heat source. The heating method mainly comprises a centralized heat source (which is generally a cogeneration unit, fire coal, a gas heating boiler or the like), the primary heat supply network, the thermal-increasing heat supply machine unit, the secondary heat supply network, an underground embedded pipe, a water source taking well, a recharge well, a heat dissipation end arranged at the side of the user, and accessories connected with the heat dissipation end. Compared with the conventionalcentral heating method, the method expands the forms of the heat sources of a central heating system, thus improving the heating capability of the system and reducing the heating cost.

The invention relates to a heating system utilizing industrial afterheat and discloses a large-temperature difference centralized heating system utilizing industrial afterheat. The large-temperature difference centralized heating system utilizing industrial afterheat disclosed by the invention comprises an absorption type heat pump heating system of a power plant, a heat cooling tower, a main heating region of an urban center and the like. An electric heat pump, an absorption type heat pump and a basic heater are arranged in the power plant for heating backwater of a heat supply network to be 130 DEG C from 30 DEG C and outputting the backwater. the cascaded heat exchange principle is utilized at the tail end of a user heating station to centrally and uniformly treat different heat user demands in the heat cooling tower, so that the heating temperature difference of the heat supply network is increased, and the heating temperature difference is increased by about more than one time compared with the temperature difference of the existing heat supply network, therefore, the conveying capability of the heat supply network is greatly increased. Meanwhile, the heat cooling tower can occupy no area, so that the heating system has the advantages of little investment, convenience in transportation, capability of on-site assembly and usability in winter and summer.

The invention relates to the technical field of gas water heating stoves, and in particular relates to a heat-storage type gas water heating stove for central heating. The gas water heating stove comprises a closed type heat exchange chamber, a closed type air intake chamber, an overheat protection switch, a temperature controller probe head, a water storage tank, a heat exchanger, a burner, a blower, a water pump, an electromagnetic valve, a water flow sensor, a constant temperature water mixing valve and a connecting pipeline. The gas water heating stove has the technical characteristics and construction of heat absorption in a major cycle, and afterheat absorption in an auxiliary cycle; and the operation and stop of a complete machine is controlled according to signals of the temperature controller probe head and the water flow sensor, so as to keep constant water temperature, secondary constant temperature of the water mixing valve and the reasonable connection of the pipelines to ensure equal pressure of cold water and hot water. By using the gas water heating stove disclosed by the invention, thermal efficiency of the product can be remarkably improved, and equal pressure of cold water and hot water can be ensured; and the gas water heating stove has the advantages of rapid heating speed and large water yield, and is not easily affected by environmental climate when in use. The gas water heating stove can be widely used in places which need hot water supply and heating, such as hotels, guesthouses, bath centers, etc.

The invention belongs to heating systems and methods for coupling a circulating water heat pump of a power plant with cogeneration in the field of energy sources. The system consists of a steam turbine, a steam compressed heat pump, a small backpressure steam turbine, a heating network heater and corresponding pipelines and accessory equipment. The system uses circulating water of the power plant as a heat source of a heat pump; a heat pump compressor is driven by an intermediate-pressure steam driving small steam turbine which does work in the power plant; and the small team turbine exhausts steam which enters the heating network heater to heat the heating network water. In addition, the function for extracting the heat from a low-temperature heat source except the circulating water of the power plant can be achieved by using the coupling of an absorbing type heat pump with a primary network and a secondary network in the heating network. The invention fully utilizes a large amount of cold source loss of a condensing type unit, overcomes the defects of the cogeneration and the heat pump by using the synergistic action of the circulating water heat pump of the power plant with the cogeneration and realizes the regional centralized heating. By using the technical measures, the thermal economy of the central heating system taking a team turbine unit power plant as the center is improved.

A central heating system for cascade utilization of condensing heat or cooling heat, includes a high temperature cooling circulation water supply pipe(1) and a standard cooling circulation water return pipe(13). A front heat exchange device(5), a reheat device(8), a heat utilization device(6), and a recooling device(7) are connected between the high temperature cooling circulation water supply pipe(1) and the standard cooling circulation water return pipe(13) successively. The central heating system can reuse high temperature condensing heat or cooling heat produced in production process partly or completely, and can reduce cooling load in the process, pollution, and can reduce water, energy, pharmaceutical and other resource consumption.