40results about How to "Increase waste heat" patented technology

A cogeneration system including an engine, which drives a generator to generate electricity, a cooling / heating unit using a heat pump type refrigerant cycle, in which a refrigerant is circulated through at least one compressor, a four-way valve, a first outdoor heat exchanger, a first expansion device, and an indoor heat exchanger, in this order, during a cooling operation of the cogeneration system, and a waste heat consuming heating unit using a refrigerant cycle, in which the refrigerant is circulated through the compressor, the four-way valve, the indoor heat exchanger, a second expansion device, and a second outdoor heat exchanger to be heated by waste heat of the engine, in this order, during a heating operation of the cogeneration system. In accordance with the cogeneration system, it is possible to maximize utilization of engine waste heat during the heating operation and to achieve an enhancement in heating performance.

A pot furnace low-temperature calcination process may ensure that, by controlling the flame path temperature and discharge speed of the pot furnace, that the range of the temperature at which the petroleum coke is calcined in the pot is from 1150° C. to 1220° C., and that the discharge speed is 10 to 20% higher than the normal discharge speed and reaches 110˜120 kg / h, reducing the amount of desulfurization of the petroleum coke during the calcination so that the true density of the calcined coke is between 2.05 and 2.07 g / cm3.

The invention discloses an energy-saving gas stove which comprises an energy collecting cavity, a stove wall, a phase change heat accumulator, ribs, an infrared radiation ceramic plate and a gas stove head, wherein the stove wall is of an opening cavity structure; the upper end of an opening is used for holding cookware; the gas stove head is arranged in the opening at the bottom center of the stove wall; the energy collecting cavity is arranged at the lower end in the stove wall cavity and is of a cylindrical cavity structure; the upper surface of the energy collecting cavity is a pot-shaped curved surface; a plurality of ribs are arranged between an upper bottom surface and a lower bottom surface in the cavity of the energy collecting cavity at intervals; the infrared radiation ceramic plate is attached to the upper surface of the energy collecting cavity; and the phase change heat accumulator is arranged in the energy collecting cavity. According to the energy-saving gas stove disclosed by the invention, the infrared radiation ceramic plate reflects and absorbs the heat which is not utilized by an iron pan and part of heat is transmitted to the energy collecting cavity for storing energy. When the energy collecting cavity releases the heat, the heat is transmitted to the infrared radiation ceramic plate and generates infrared radiation for heating the iron pan. According to the gas cooking stove disclosed by the invention, the heat energy utilization rate of the gas cooking stove is increased and the aim of saving energy is achieved.

A powder blowing lance comprising a refining oxygen blowing nozzle and a burner, the refining oxygen blowing nozzle having a plurality of blowing openings, the plurality of blowing openings being spaced apart along a circular track Arranged to blow oxygen into the iron bath accommodated in the reaction vessel through the plurality of ejection openings, the ejection nozzles have ejection openings, and the ejection openings have a center axis coaxial with the circular rail. The shaft core of the shaft forms a flame inside the oxygen injection nozzle for refining, and blows the powder heated by the flame into the iron bath through the ejection opening, indicating the oxygen for refining The index A of the positional relationship between the discharge opening of the injection nozzle and the discharge opening of the injection burner satisfies A=1.7(R-r-d / 2) / L+tan(θ-12°)-0.0524>0. Here, R: the radius (mm) of the above-mentioned circular orbit, r: the radius (mm) of the discharge opening of the injection burner, d: the diameter (mm) of the discharge opening of the oxygen nozzle for refining, θ: for refining The inclination angle (°) of the shaft core of the oxygen blown into the nozzle, L: the height of the spray gun (mm). As a result, the heat imparting efficiency to the molten iron is improved.