47results about How to "Maximum Efficiency Utilization" patented technology

The invention relates to a nanometer molten binary nitrate heat-transfer heat-storage medium and a preparation method thereof and belongs to the field of solar photo-thermal electricity generation. The nanometer molten binary nitrate heat-transfer heat-storage medium is characterized in that nano-particles are dispersed in a KNO3-NaNO3 and KNO3-NaNO2 solid-liquid phase-change molten binary nitrate system at a high temperature so that the nanometer molten binary nitrate heat-transfer heat-storage medium is compounded, and the nano-particles comprise SiO2, ZnO, Al2O3, TiO2, CaO and / or MgO nanoparticles. The nanometer molten binary nitrate heat-transfer heat-storage medium solves the problem that the existing nanometer molten binary nitrate system has a low heat conductivity coefficient, poor heat stability and a narrow use temperature scope and can be widely used in the technical field of solar photo-thermal electricity generation.

The invention relates to a universal wind gathering floor type breeze electric generator based on a Venturi effect. The problems that an existing wind driven generator can not normally generate electricity in places where the wind power is small and the wind speed is low, the structure of equipment is complex, the manufacturing cost is high, and the ecological environment is damaged are mainly solved. The universal win gathering floor type breeze electric generator based on the Venturi effect comprises a wind power collecting unit, a wind power accelerating unit and an additional unit. The wind power collecting unit is composed of an inner wall face, an outer wall face and a partition plate, wherein the inner wall face and the outer wall face are gradually contracted along a flow channel, and the partition plate is arranged between the inner wall face and the outer wall face. The wind power accelerating unit is composed of a wind power transition tube, a Venturi tube and a diffuser tube. The additional unit comprises a power generation unit, an outer support, a one-way door wind shielding device and a wind speed measuring device. The universal air gathering floor type breeze electric generator based on the Venturi effect can be applied to the breeze electricity generation field.

The invention relates to a method for preparing paper through waste textile fibers. The method comprises the following steps of: taking the waste textile fibers and products as raw materials; sorting, opening, decontaminating, cleaning and accurate grinding the waste textile fibers; modifying the fibers; preparing sizes; forming paper sheets; hot pressing; and hot pressing and preparing the paper sheets at the temperature of 100-280 DEG C and the pressure of 0.2-1.2 KN / cm, wherein the basis weight is 13-48g / m<2>, the tightness is 0.31-0.78g / cm<3>, the evenness index is 62-78, the tensile index is 27-223Nm / g, the tear index is 7.6-26.2mN.m<2> / g, the burst index is 2.67-7.15kPa.m<2> / g, and a surface contact angle of static water is 20-90 degrees. Compared with traditional plant fiber papermaking, the performance is improved greatly. The method can be realized through equipment of textiles and paper, and the process flow is simple, the adaptability is strong. The method provides a recycling processing way for the waste textile fibers, and also provides new raw materials for pulping and papermaking.

The present invention proposes an ultraviolet photocatalytic strong oxidation port ballast water emergency treatment device. The device includes a reaction box in which an inclined quartz plate and a common fixing plate are sequentially arranged, and the inclined plate is sprayed with catalytic materials. By changing the inclination angle of the inclined plate and the thickness of the water film, according to the actual ballast water volume and water quality, the synergistic effect of ultraviolet irradiation and photocatalysis can be used to ensure that the water film meets the discharge requirements of ballast water during the process of falling on the inclined plate. The ultraviolet lamp is arranged on the back of the quartz plate, which can irradiate the water flow on the quartz plate and the opaque plate at the same time, and efficiently utilizes the ultraviolet lamp. And the UV lamp does not directly contact the ballast water, it will not change the physical properties of the water, and there will be no dirt attached to the UV lamp to ensure the penetration rate of the UV. The device of the invention can maximize the use of ultraviolet lamps, has low energy consumption, and realizes the purpose of environmental protection and saving; the processing speed is fast, and the emergency processing requirements are met; modularization can be realized, and the use of ships with various ballast capacities can be satisfied.

The method is used to solve the problem being not capable of implementing roaming between the networks not singing roaming agreement. When the current network do not sign a roaming agreement with user home network and a third party network has already signed an agreement with the current network, the method comprises: when a home network user end roams into the current network, the communication between said user end and other user end is implemented by using a third party network to make switch between the slave IMSI (international mobile subscriber identification number) and master IMSI; the said slave IMSI registers at the home location register of third party network, and said master IMSI registers at the home location register of the home network. The invention also reveals an agent network and a user end.

The invention discloses a method for grading silver powder for a solar battery, and the method comprises the following steps of: adding a dispersant agent to deionized water to prepare a 0.1%-2% by weight of dispersant agent water solutions; adding metal silver powder to the dispersant agent water solutions, and mixing into a solid-liquid system with solid content controlled at 1%-30% by weight; then carrying out mechanical dispersion to obtain uniformly dispersed slurry; collecting the slurry through a screen mesh of 40-600 meshes, adding to a stirring kettle, delivering to a hydraulic cyclone by using a booster pump, wherein the outlet pressure of the booster pump is controlled at 0.2-1.6 MPa, the inlet flow rate of the hydraulic cyclone is controlled at 5-30m<3> / h, and the overfall outlet flow rate of the hydraulic cyclone is controlled at 0.3-3m<3> / h; controlling the grading time of the hydraulic cyclone at 1-1.5 h, and collecting the slurry positioned on the overfall outlet of the hydraulic cyclone to obtain the silver powder for the solar battery. The method disclosed by the invention has the advantages of grading efficiency guarantee, simple process, low cost, safety and environmental friendliness and can ensure that the powder dispersibility meets the use requirement of the silver powder for the solar battery.

The invention relates to a data transmission method and system, comprising: the sender initiates a data transmission request to a plurality of receivers; the receiver returns response of the data transmission request to the sender, and selects data source from which obtaining each data fragment according to data fragment index information, in order to obtain data in fragment. The sender stores the data to be transmitted to a server after receiving the response of the first data transmission request; and sends the data fragment identifier information contained in the request for obtaining datafragment and the receiver address to the data transmission server; the data transmission server sends the data fragment to the receiver according to data fragment identifier information and receiver address. The invention realizes the process that single user transmits file or multimedia content to a plurality of users simultaneously, in order to effectively avoid bandwidth bottleneck in the sender to use the network bandwidth with maximal efficiency.

The invention discloses an independent photovoltaic intelligent control method and device capable of fast charging. The method includes 1) dividing the storage battery into two groups, and the electric energy output by solar energy is sent to the two groups respectively through a DC-DC1 conversion module and a DC-DC2 conversion module. Battery charging; 2) The initial stage of charging; 3) When a group of batteries enters the fast charging mode, the battery pack 1 and battery pack 2 switch to the pulse charging mode; 4) In the pulse charging mode, the charging pulse of a group of batteries stops During charging intervals, discharge to another set of batteries; 5) When supplying power to the load, the first battery set supplies power to the load through the DC-DC1 conversion module, and the second battery set supplies power to the load through the DC-DC2 conversion module. The beneficial effect of the invention is that the charging speed and charging efficiency of the storage battery can be effectively improved, and the contradiction between the design requirements of the storage battery redundancy in an independent photovoltaic system and the difficulty of charging the storage battery within a day's sunshine is overcome.