40results about How to "Large thermal inertia" patented technology

The bathtub for children (1) includes a plastic basin (2), provided to contain water to bathe a young child therein, including a newborn or an infant. In order to keep the bathwater warm effectively, while providing that the bathtub for children is easy to manufacture and use, the novel bathtub provides that a wall, in particular the bottom (4), of the basin is provided with heat release elements (10), suitable for returning the previously-accumulated heat to the water contained in the basin.

A closed multi-room fluidized bed sludge drying method is provided, which is a sludge drying method having the advantages of simple equipment structure, convenient operation, strong sludge adaptability, high thermal efficiency, safety, continuity, stability, etc. After the mechanically dewatered sludge is mixed with the back-mixed sludge, the mixture is dried room by room in an inert particles multi-room fluidized bed dryer (3). The first room and the second room of the inert particles multi-room fluidized bed dryer (3) adopt inert particles (f) as heat storage medium. Gas from a cyclone separator (5) goes through a spray tower (7) and returns into an air heating unit (4) through a circulating fan (10). Part of dried sludge (e) at the lower part of the cyclone separator (5) enters the inert particles multi-room fluidized bed dryer (3) through the back-mixing in a mixer (2). Waste liquid from the bottom of the spray tower (7) enters a waste liquid circulating pool (8), with part of waste liquid circulating into the spray tower (7) and part into a sewage treatment system.

The invention discloses a heat radiation type simulation charcoal baking tea baking machine. The heat radiation type simulation charcoal baking tea baking machine is characterized by comprising a round barrel-shaped baking cage (1) and a baking machine body; the baking machine body comprises a machine box (2), a heat insulation layer (3), a heat storage particle heap (4), an electric heating device (5) embedded in the heat storage particle heap (4) and a tea dust isolation net (7); the baking machine body is provided with a device for moving the round barrel-shaped baking cage (1) into or out of the baking machine body and a device for driving the round barrel-shaped baking cage (2) to rotate.

The invention relates to a method for adopting waste derivative oversize material as substitute for cement kiln fuel, which is characterized in that the domestic waste in refuse reclamation station is separated and sorted, broken in packages, crushed and completely stirred and mixed, one part of the waste enters a precombustion furnace in the kiln tail of a cement kiln for combustion, while the other part of the waste enters the cement kiln from the kiln hood for combustion, thus the substitute fuel for cement production is produced. The invention has the advantages that the waste derivative oversize material having calorific value is adopted to substitute for industrial fuel in the cement kiln, thus resources of waste derivative oversize material are fully utilized, and coal energy resources are saved; simultaneously the cement kiln has the characteristics of high temperature, large carrying capacity, no residue after waste treatment and no secondary pollution, therefore the invention has the great advantages of energy saving and environmental protection.

The invention discloses a tea green-removing machine and a fuzzy control method thereof. The method comprises the following steps of: heating a barrel of the tea green-removing machine by using a combustor, wherein T is a given temperature value, a feedback value Tt is the current temperature value of the outer wall of the barrel of the tea green-removing machine, and temperature difference E is equal to Tt-T, and a temperature difference change rate EC is equal to Tt-Tt-1, the first input quantity of a fuzzy controller is Ke*E, and the second input quantity of the fuzzy controller is KC*EC; the output quantity of the fuzzy controller is U, and the input control quantity of the tea green-removing machine is KU*U, and the Ke, KC and KU represent a temperature difference ratio factor, a temperature difference change ratio factor and a control quantity ratio factor respectively; and the input control quantity KU*U is a voltage signal of an electromagnetic valve, namely the voltage signal loaded in an electromagnetic coil in the electromagnetic valve which is used for controlling the flow of the combustible gas in the combustor. The tea green-removing machine and the fuzzy control method thereof have the advantages that: the implementation is easy; the automation degree is high; and the tea green-removing effect is good.

Disclosed is a pellet shaft furnace waste heat comprehensive recovery device. The pellet shaft furnace waste heat comprehensive recovery device comprises a sintered pellet belt cooling machine waste heat recovery device and a steam-water separation device. The sintered pellet belt cooling machine waste heat recovery device comprises a heat exchange device. The heat exchange device comprises a box body, a superheater, an evaporator and an economizer, wherein the superheater, the evaporator and the economizer are arranged in the box body in sequence in the smoke flowing direction. A water outlet and a water inlet of the economizer are communicated with the steam-water separation device and a water supply pipeline through pipelines respectively. A water outlet and a water inlet of the evaporator are communicated with a water inlet and a water outlet of the steam-water separation device through pipelines respectively. A steam outlet and a steam inlet of the superheater are communicated with a steam outlet of the steam-water separation device and a user steam pipeline through pipelines respectively. The pellet shaft furnace waste heat comprehensive recovery device further comprises a drying bed girder waste heat recovery device and an air guide wall girder waste heat recovery device. By the adoption of the pellet shaft furnace waste heat comprehensive recovery device, the smoke waste heat is utilized in a gradient mode, and the heat transfer loss caused by the temperature difference is reduced to the greatest extent; and meanwhile, saturated steam is turned into superheated steam, the quality of the steam is improved, and the follow-up efficient and stable utilization of the steam is achieved.

The invention relates to a glass fiber reinforced plastic pipe manufacturing device, in particular to a program controlled internal heating and curing glass fiber reinforced plastic pipe manufacturing system. It includes a support transmission mechanism, a mandrel, a thermal system, a yarn arrangement mechanism, a demoulding mechanism, and a computer control system; the mandrel is a double-layer metal tube, and steam is passed through the mandrel to heat and solidify the FRP pipe. The invention can heat and solidify uniformly, produce FRP pipes with few defects, high quality, and small footprint. The system adopts computer program control to realize production automation, improve product quality, and greatly increase production efficiency. The invention is used in the manufacture of glass fiber reinforced plastic pipes.

The invention discloses a self-control operating room transfusion heat-insulating nursing control device, comprising a shell, wherein a main medicine delivery device and an auxiliary medicine delivery device are arranged on the surface of the shell sequentially; a main syringe is arranged in the main medicine delivery device and an auxiliary syringe is arranged in the auxiliary medicine delivery device; the medicine outlets of the main medicine delivery device and the auxiliary medicine delivery device are communicated with the medicine inlet at the upper end of a liquid storage tank through catheters; the liquid storage tank is matched with a mounting hole in the surface of the shell; a heating plate and a heating lamp are arranged in the mounting hole sequentially; a temperature sensor and a flow sensor are arranged at the medicine outlet of the liquid storage tank; the output ends of the flow sensor and the temperature sensor are electrically connected with the input end of a controller; and the output end of the controller is electrically connected with the input ends of the main medicine delivery device and the auxiliary medicine delivery device respectively. The self-control operating room transfusion heat-insulating nursing control device can accurately control medicine mixing proportion, medicine liquid flow speed and medicine liquid temperature by a fully-automatic control method.

The invention relates to a carbon fiber-containing electro-thermal fabric suitable for a severe environment. A main body of the fabric is formed by weaving yarns. Electric channels consisting of carbon fibers are formed in the main body, and can be energized for heating. The carbon fibers are arranged in the main body in a way that carbon fiber heating filaments made from the carbon fibers are woven in the main body or a part or all of the yarns contain the carbon fibers. Various functional layers can be arranged on the surface of the fabric according to needs. The electro-thermal fabric is effectively waterproof, resistant to high temperature and low temperature, uniform in internal heating, small in vibration, low in noise and adapted to equipment heat preservation in various outdoor environments and long-distance / large-area snow removal and deicing of rails and the like, the shortcoming that the electro-thermal fabric cannot be used for the severe environment is overcome, and little spark discharge in the fabric is favorably reduced.

The invention is concerned with a cooling arrangement for a high voltage power device (24) in an enclosure (10) and immersed in an insulating fluid (44). The arrangement comprises a cooling device forplacing in the interior of the enclosure and having a channel (32) formed as a duct for the insulating fluid the duct having a first wall comprising a phase change material (34) for cooling insulating fluid (44) that passes through the channel. The invention is also concerned with a method of operating a valve of a cooling device in such a cooling arrangement.

A solution heat treatment method is disclosed for manufacturing metallic components 1 of a turbo machine, which components 1 provide a hot gas flow channel when assembled in the turbo machine after manufacturing, wherein the components 1 are subjected to a time-temperature-cycle in a furnace. The method includes positioning the components 1 in the furnace in a same principle as the component assembly in the turbo machine, but leaving flow areas and gaps 9 between neighbouring components; then starting the time-temperature-cycle; and applying an inert gas during the solution heat treatment process so that the inert gas flows through flow areas and gaps 9 for achieving a uniform temperature.