57results about How to "Improve heat conduction and heat exchange speed" patented technology

The invention discloses a rotary drying storehouse with a cooling section. The rotary drying storehouse consists of a housing, an inner storehouse and a heat-conducting medium, wherein the apparent shape of the rotary drying storehouse is cylindrical; the housing is arranged on the outer surface of the inner storehouse; the positions, which are in contact with the storehouse body of the inner storehouse, at the two ends of the housing are sealed into an integer by virtue of a sealing device; an inner cavity between the housing and the inner storehouse is sealed and air-proof; a heat energy inlet and a heat energy outlet are formed in the upper surface of the housing; the inner storehouse consists of a storehouse body and radiating vertical tubes, wherein charge and discharge holes are formed in the two ends of the inner storehouse; one end of the inner storehouse is a drying section, and the other end of the inner storehouse is a cooling section; heat energy carried by the high-temperature heat-conducting medium carries out heat conduction and heat exchange on materials by virtue of the storehouse body of the inner storehouse and radiating tubes, so that heat conduction and heat exchange speed of heat energy is increased due to an increased heat exchange area, and therefore, the purpose of quickly drying the materials is achieved. When the materials are dried, radiating vertical tubes which are spirally arranged have functions of stirring and pushing during rotation under action of external force, so that the material drying quality is improved, and the dried materials are cooled at the cooling section.

The invention discloses a drum-type vacuum drier. The drum-type vacuum drier is composed of a heating and heat exchanging device, a rear support, a vacuum unit, a heating device, a driving device, a gas-guide tube, a raceway, a front support, an underpan, carriage wheels, a conduit and riding wheels. The drum-type vacuum drier can be fixed to a drying operation site and can also be moved to a plurality of different sites. An outer shell is fixed to the front support and the rear support and can not move. The driving device is in power connection with a conduction shaft of an inner bin. An air outlet formed in a sealing cap is connected to the vacuum unit through the gas-guide tube. Heat exchanging of the heating and heat exchanging device is three-dimensional inner-wall heat exchanging, and the heat exchanging area is increased by 12-60 times. Heat conduction and heat dissipation of a high-temperature heat conducting working medium are conducted through a bin body of the inner bin and heat dissipation stand pipes. The speed of heat conduction and heat dissipation of heat energy is increased. The drying efficiency of materials is improved. The purpose of rapid drying of the materials is achieved. The heat dissipation stand pipes and screw blades have a material stirring function, so that wet materials are not liable to be agglomerated in the drying and stoving process, and the quality of drying and stoving of the materials is optimized.

The invention discloses a thermo-tube drying storehouse capable of utilizing afterheat. The thermo-tube drying storehouse consists of shells, an inner storehouse, a discharging device, a heat conducting medium and a heat conducting working medium, wherein the three shells are respectively mounted over a preheating section, a drying section and a cooling section of the inner storehouse; the inner storehouse consists of a storehouse body, a cooling vertical tube and a helical blade; an inner chamber between the shells and the inner storehouse is filled with the heat conducting medium and the heat conducting working medium; the heat conducting working medium and the heat conducting medium are used for conducting heat and radiating heat by the storehouse body and the cooling vertical tube of the inner storehouse; the heat conduction speed and heat exchange speed of heat energy are increased; materials can be dried rapidly; the cooling vertical tube and the helical blade of the inner storehouse have the function of stirring the materials; wet materials are hard to cake during a drying process; the drying quality of the materials is improved; the materials can be cooled during the drying process; the heat energy released during cooling of the materials can be effectively used for preheating the materials, so energy-saving drying of the materials is realized.

The invention discloses a heating heat exchange device which is composed of a shell, an inner bin and a heat conduction working medium. The inner bin is wrapped by the shell, and the distance between the shell and the inner bin is 5-150 mm. The inner bin is composed of a bin body, a heat dissipation vertical pipe, a sealing cover, a conduction shaft and a spiral blade. The conduction shaft in the position, on the larger end of the inner bin, of the bin body can drive the inner bin to rotate. An exhaust port is formed in the upper surface of the sealing cover. The spiral blade and the heat dissipation vertical pipe are arranged on the bin body of the inner bin. Heat exchange of the heating heat exchange device is three-dimensional heat exchange of an inner wall. Under the condition of the same space volume, the heat exchange area of the heating heat exchange device is increased by 8-50 times, the high-temperature heat conduction working medium conducts heat conduction and dissipation through the bin body and the heat dissipation vertical pipe of the inner bin, the heat conduction and heat exchange speed of heat energy is increased, the material drying efficiency is improved, and the purpose of fast drying materials is achieved; and the heat dissipation vertical pipe and the spiral blade have the function of material stirring, so that the wet materials are not prone to being agglomerated in the drying process, and the drying quality of the materials is optimized.