44results about How to "Extended exchange time" patented technology

The invention relates to high-strength antibacterial glass and a preparation method thereof. The preparation method comprises the following steps: 1) putting glass into molten potassium nitrate and carrying out ion exchange, so that exchanged glass is obtained; and 2) mixing potassium nitrate with at least one ionic compound of a silver ionic compound, a copper ionic compound and a zinc ionic compound, heating and melting to obtain a molten mixture, completely immersing the exchanged glass into the mixture and carrying out ion exchange, taking out glass, cooling, and cleaning, so that the high-strength antibacterial glass is obtained. The preparation method of the high-strength antibacterial glass is simple, the cost is low, and large scale production can be realized; the prepared glass is high in strength, good in antibacterial property and good in light transmittance; and the prepared high-strength antibacterial glass has good resistance on bacteria such as escherichia coli and staphylococcus aureus and fungi such as aspergillus flavus and aspergillus niger.

The invention discloses an independent basic service set (IBSS) system and a power management method thereof. The method comprises the following steps: canceling the transmission of an ATIM (announcement traffic indication message) frame; if each node in IBSS does not have MSDU (MAC Server Data Unit) to send within each TBTT (target beacon transmission time), waiting for DIFS (distributed interframe space); if a beacon frame is not received during the period of DIFS, executing the processing procedure of a random delay timer; if the beacon frame is received during the period of DIFS, analyzing the traffic indication map (TIM) field of the received beacon frame; judging whether to receive MSDU based on the TIM field; and if the MSDU is to be received, keeping an active state; otherwise, turning to a sleep state. Through the technical scheme of the invention, the node energy is saved and the system efficiency is improved.

The invention belongs to the field of underwater electrical equipment and specifically discloses a natural convection and heat dissipation type underwater transformer. The natural convection and heat dissipation type underwater transformer comprises a shell body, a transformer body and a convection and heat dissipation assembly, wherein the shell body is of a cavity structure with a sealed upper end and an opened lower end and the lower end of the shell body is connected with a base; a sealed space which is fully filled with transformer oil is formed between the base and the inner part of the cavity structure of the shell body; an outer side face of the shell body is connected with a compensator; the transformer body comprises an iron core assembly, an input end and an output end; the iron core assembly is arranged in the sealed space and is mounted on the base; the input end and the output end of the transformer are arranged on a side wall of the shell body; the convection and heat dissipation assembly comprises a plurality of convection and heat dissipation pipes which are arrayed in the circumferential direction and are arranged around the outer part of the shell body; each convection and heat dissipation pipe is vertically arranged and two ends of each convection and heat dissipation pipe are connected with the shell body so as to be communicated to the sealed space. By adopting the natural convection and heat dissipation type underwater transformer disclosed by the invention, the problem of an existing heat dissipation manner that the heat dissipation efficiency is low is solved; the natural convection and heat dissipation type underwater transformer has he advantages of long heat exchange time, great heat transferring amount and high heat dissipation efficiency and is suitable for an underwater oil and gas production system.

The invention discloses a liquid cooling system of a power battery pack. The liquid cooling system comprises a frame and a radiating component, the radiating component is arranged in the frame in an embedded manner and comprises a plurality of liquid cooling plates and a plurality of liquid cooling pipelines arranged on the liquid cooling plates, the liquid cooling pipelines are combined by S-shaped pipelines and straight pipelines and are connected serially and parallelly. The liquid cooling system is small in temperature difference of cooling liquids in the liquid cooling pipelines, small inpressure loss of the liquid cooling pipelines, simple in structure, light in weight, strong in heat exchange, excellent in temperature equalization, low in cost, short in developing period and worthof being popularized.

The invention discloses a method for preparing an organic/inorganic compound antibacterial agent. The preparation method comprises the following step: compounding an inorganic silver-containing antibacterial agent with triclosan by adopting an ion exchange method. The compound antibacterial agent can simultaneously have antibacterial long-lasting and quick-acting functions, can be used for solving the problem that color of a conventional antibacterial agent easily changes and is simple in process and low in cost.

The invention provides a drawbench lubricant removing device of a mobile metal line body, comprising a polishing lubricant removing device arranged with a plurality of polishing devices in parallel along a moving path of the metal line body, wherein the polishing devices cause a pair of abradant polishing wheels to bunt under a pushing state, enabling the moving metal line body to pass through a bunting surface of the pair of polishing wheels under a clamping state of the pair of polishing wheels; and an abradant sheet type lubricant removing device provided with a rotary bowl inwards, and formed with a housing abradant sheet along the moving path of the metal line body, passing through a plurality of sheet housing chambers formed intervally, moreover, the abradant sheet lubricant removing device causes the moving metal line body guided from the polishing lubricant removing device to pass through the sheet housing chamber of the rotary bowl.

Disclosed are a heat transfer side kneading welding heat exchanger with headers and double dividing walls and manufacturing process of the heat transfer side kneading welding heat exchanger. The heat transfer side kneading welding heat exchanger comprises two headers, and the headers are round tube headers or D-shaped headers. A warm air inlet, a warm air outlet, a tap water inlet and a tap water outlet are fixedly connected onto each header, two or more tap water through outer tubes are fixedly connected between the two headers and are communicated with each other via the headers, warm air heat supply tubes penetrate into the tap water through outer tubes and are through, one end of each warm air heat supply tube is connected to the corresponding warm air inlet while the other end of the warm air heat supply tube is connected with the corresponding warm air outlet, and tap water heat absorbing inner tubes are disposed in parts or all of the warm air heat supply tubes and communicated with the headers. Cold water tube channels are added in cavities of the heat supply tubes to form the double dividing walls to realize convection heat transfer, a cold fluid double-pass channel is formed to realize pure backflow, average temperature difference is increased, and heat efficiency is improved.

The invention relates to an ion exchange system for improving xylitol ion exchange efficiency, wherein the system comprises a decolorizing liquid tank, an ion exchange liquid tank and a connecting pipeline, xylitol decolorizing liquid is temporarily stored in the decolorizing liquid tank, xylitol ion exchange liquid is temporarily stored in the ion exchange liquid tank, and a centrifugal pump andan online pH instrument are respectively connected in series on the connecting pipeline. at least three ion exchange pipelines are arranged on the connecting pipeline between the centrifugal pump andthe online pH instrument in parallel, and a pneumatic butterfly valve and an ion exchange column for combination are respectively arranged on each ion exchange pipeline in series. The invention also discloses a method for improving xylitol ion exchange efficiency by using the ion exchange system. The utilization rate of the ion exchange columns is improved, and the replacement frequency of the ionexchange columns is reduced.

The invention relates to a flue gas waste heat recovery element and device capable of breaking through the low temperature dew point. The flue gas waste heat recovery element and device is characterized in that a heat exchange element is formed by an aluminum flat-oval-tube-shaped fin and aluminum fluid tubes; corrosion resistant, abrasion resistant and high temperature resistant ceramic glaze materials are composited on the surface of the heat exchange element; and an unsaturated contraction high polymer heat-shrink tube is wrapped on the outer surfaces of the ceramic glaze materials. The heat exchange element is fixed through an enameled steel plate to form a single module, a plurality of the single modules are combined in parallel connection mode to form a heat exchanger assembly, and all the fluid tubes of the heat exchange element are welded in series connection mode through bends. Liquid cold fluid is filled into the fluid tubes of the heat exchange element, three air cold fluid channels are arranged between the flat-oval-tube-shaped fin and the aluminum fluid tubes, and air hot fluid flows through the outer side of the flat-oval-tube-shaped fin. The flue gas waste heat recovery element and device has the advantages that a heat exchange tube is formed in once extruding mode, the fin is sufficiently contacted with the fluid tubes, accordingly heat exchange efficiency is improved and a large amount of labor work is reduced; the inner walls of the fluid tubes are designed to be tooth-shaped, the internal surface heat exchange areas of the fluid tubes are increased, and the heat exchange efficiency is led to be high; the heat exchange channels are additionally arranged so that use functions of a heat exchanger are increased; the surface is subjected to enameling processing and high polymer heat-shrink tube processing so that corrosion resistance, abrasion resistance and high temperature resistance are greatly improved; and the self-cleaning purpose is achieved, and normal and efficient heat exchange is ensured.

The invention discloses a cooling tower filler. The cooling tower filler is composed of a plurality of filling slices, wherein each two adjacent filling slices are overlapped in stagger mode, and then form a cellular structure, each filling slice comprises a plurality of S-shaped ripples and a plurality of bonding points, and the S-shaped ripples of each filling slice are arranged in a concave and convex alternately mode at intervals. By using the S-shaped ripples arranged in the concave and convex alternately mode at the intervals and reasonable design of a trapezoid slope, the cooling tower filler is smooth, difficult to jam and small in wind resistance when compared with a traditional filler. Furthermore, the cooling tower filler not only increases the number of closure times of a water film so as to repeatedly perform redistribution for the water film and enable the water film to tend to uniform, but also improves transverse diffusion ability of the water film.

The water treatment apparatus using propolis is disclosed. The water treatment apparatus using propolis is capable of purifying water by eliminating microorganism and various harmful substances contained in water in such a manner that a water treatment apparatus of the present invention is installed at an outer side a water pipe using propolis that has antibiosis, anti-smell property, anti-oxidation, immunity, and anti-inflammation operation, an EM-X (Effective Microorganism-X) ceramic formed using effective micro-organism, and a permanent magnet ot is installed at one side of a water pipe in such a manner that water flows through the water treatment apparatus of the present invention.

The invention discloses a reverse-flow type efficient energy-saving fresh air machine heat exchanger core body, particularly conducts ventilation and heat exchange on indoor and outdoor cold and hot air in a reverse-flow mode, and belongs to the technical field of heat exchange. The flowing directions of the outdoor fresh air and the indoor exhaust air in the core body are reverse flow directions; a plurality of layers of heat-conducting fins are arranged in the core body; a plurality of layers of heat-conducting fin supporting bodies are arranged in the core body; the core body is formed by alternately stacking a layer of heat-conducting sheet support body and a layer of heat-conducting sheet; outdoor fresh air and indoor exhaust air flow in the core body in a mutually alternate interlayer mode. An outdoor fresh air inlet and an indoor exhaust air outlet are formed in one side of the core body; an indoor exhaust air inlet and an outdoor fresh air outlet are formed in the other side of the core body; the two column-shaped air ports of the heat-conducting fin supporting body are arranged in a crossed mode and provided with a plurality of air flow guide plates and a plurality of heat-conducting fin supporting points. A heat exchanger core body of a reverse-flow type efficient energy-saving fresh air ventilator is an important component for cold and hot energy recovery of the fresh air ventilator.

The invention discloses an internet data analysis based automatic-drying smart shoe comprising an upper and a sole connected with the upper. A cavity is arranged inside the sole, an insole is arranged between the upper and the sole and comprises a heat conduction layer, a heating unit is embedded into the periphery of the heat conduction layer and connected with a circuit system, and the circuit system is installed in the cavity inside the sole. The insole further comprises a venting layer arranged under the heat conduction layer, and at least two through holes are formed in the venting layer. The circuit system comprises a power supply unit, a controller, a microprocessor, a fan and a sensing unit, the power supply unit is connected with the controller which is connected to the microprocessor, the microprocessor is connected with the sensing unit and connected to a mobile terminal through a wireless communication device, and the controller is communicated with the fan and further connected with a timer; the sensing unit comprises a humidity sensor and a temperature sensor. The internet data analysis based automatic-drying smart shoe realizes automatic dehumidification and is good in dehumidification effect and short in time.

The invention discloses a water-electricity hybrid condensation type intelligent control cooling tower which comprises a tower body as well as an auxiliary motor, wherein the tower body is provided with a water turbine and a spraying tube communicated with the water turbine; a fan is driven by the water turbine; the water turbine is arranged at the upper end of the tower body or on the tower body;the spraying tube is arranged at the lower end of the water turbine and is used for achieving spraying through pressure differences of falling water at the water outlet end of the water turbine, or through excessive pressure at the water outlet end of the water turbine; a water collector is equipped at the upper end of the spraying tube; a dry-wet air condensation and recycling device is arrangedat the upper end of the water collector; a first space is preserved between the water collector and the dry-wet air condensation and recycling device; wet and hot vapor discharged from the water collector is accommodated in the first space; the wet and hot vapor accommodated in the first space is condensed and recycled through the dry-wet air condensation and recycling device; air inlets in matchwith the water collector and the dry-wet air condensation and recycling device are formed in the tower body; the auxiliary motor is used for driving the fan to complement driving of the water turbine.

The invention provides a novel energy-saving rapid-heating heater which mainly consists of a heating body, a high temperature resistant high-conduction insulated protective layer, a high temperature resistant medium flowing pipe which is directly or indirectly communicated, a medium inlet, a medium outlet, a power source self-control switch and a leakage protector; after being sleeved by the high temperature resistant high-conduction insulated protective layer, the heating body has a certain clearance with the radial direction of the high temperature resistant medium flowing pipe which is directly or indirectly communicated, and then directly or indirectly passes through the medium flowing pipe; when entering into the switch, a medium flows in through the medium inlet, the power source self-control switch is turned on, the heating body is electrified to heat, and thermal energy is rapidly conducted out by virtue of the high temperature resistant high-conduction insulated protective layer; by virtue of the high temperature resistant medium flowing pipe which is directly or indirectly communicated, the medium flowing pipeline is lengthened and the exchange time of the medium flowing through the clearance and electric energy is prolonged, so that the temperature is rapidly increased after the medium flowing through the heating body absorbs the heat energy of the heating body; If the medium is water, the water flows out through the medium outlet while rapidly heated to a bathing temperature.