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166results about How to "High-temperature" patented technology

Steam floor mop

The present invention discloses a steam floor mop, comprising a handle; a central body inside which a manual water pump, a water tank, and a steam generator are housed; and a floor brush connected flexibly to the central body, wherein the manual water pump, the water tank, and the steam generator are connected to the floor brush by means of pipes; said handle is connected directly to the piston rod of the manual water pump and serves to manipulate the operation of the manual water pump; said floor brush is covered by a cleaning cloth. In accordance with the steam floor mop of the present invention, by only pushing the handle of the steam floor mop, the steam can be generated and distributed to the floor brush so that the cleaning work having an effect of high temperature disinfecting and sterilization can be realized. It is not needed to power on the water pump additionally so as to supply water to the steam generator to generate the steam. Besides, a plurality of rib stripes are set on the floor brush, and a plurality of steam distributing grooves are formed between the rib stripes, so that the steam can be distributed uniformly to the whole cleaning surface of the floor brush. In addition, the floor brush is covered tightly by a cleaning cloth having a plurality of #-shaped checks formed thereon, so that the stains adhered to the floor can be cleaned easily. Therefore, by utilizing the steam floor mop of the present invention, the cleaning work can be performed conveniently and is time and labor saving, the effect of high temperature disinfecting and sterilization can be realized thoroughly.
Owner:SHARKNINJA OPERATING LLC

Broadband wide temperature range high-power density low-loss manganese-zinc soft magnetic ferrite material and preparation method thereof

The invention discloses a broadband wide temperature range high-power density low-loss manganese-zinc soft magnetic ferrite material. The material comprises main ingredients, an auxiliary ingredient A and an auxiliary ingredient B, wherein the main ingredients comprise the following components in percentage by weight: Fe2O3, MnO and ZnO; based on the weight of the main ingredients, the auxiliary ingredient A comprises at least three of CaCO3, Nb2O5, NiO, SnO2 and Co3O4; and the auxiliary ingredient B comprises at least three of SiO2, Y2O3, K2CO3, Al2O3, CuO, MoO and Bi2O3. The preparation method of the material sequentially comprises the following steps: primary batching, primary sanding, pre-sintering, secondary batching, secondary sanding, performing component analysis, performing spray granulation, molding and sintering. The material disclosed by the invention has low loss in a temperature range from 20 DEG C below zero to 120 DEG C under the conditions of 100-500KHz and 100-200mT, and has high magnetic conductivity and high high-temperature saturation flux density. Compared with the conventional material, the material disclosed by the invention is energy-saving and can enable a switching power module to be miniature and efficient.
Owner:郴州市久隆旺高科电子有限公司

High-temperature resistance double-layer forward osmosis composite film and preparation method thereof

The invention discloses a high-temperature resistance double-layer forward osmosis composite film and a preparation method thereof. The forward osmosis composite film comprises a non-woven fabric layer; each of the two surfaces of the non-woven fabric layer is provided with a high-temperature resistance porous supporting film layer; each of the high-temperature resistance porous supporting film layers is provided with a polyamide separation layer; the high-temperature resistance porous supporting film layer is mainly formed by high-temperature resistance polymer. The preparation method comprises the following steps: carrying out blade coating of a casting solution prepared from the high-temperature resistance polymer, a solvent and an additive on both surfaces of the non-woven fabric layer and by phase inversion and heat treatment, and obtaining a supporting film material comprising the non-woven fabric layer and the high-temperature resistance porous supporting film layers; firstly soaking the supporting film material in a water-phase solution and then soaking the supporting film material into an organic-phase solution and forming the polyamide separation layers by reaction so as to obtain the high-temperature resistance double-layer forward osmosis composite film. The forward osmosis composite film disclosed by the invention has high salt rejection, large water flux and high processing efficiency; the preparation method is simple; the process is relatively mature; the forward osmosis composite film is easy for scale production.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH

Control method for heating output of continuous annealing production line

The invention discloses a control method for heating output of a continuous annealing production line. The control method is applied to a control system of the continuous annealing production line, and the technical problem that in the prior art, thin gauge strip steel in a continuous annealing machine furnace is prone to heating buckling is solved. The control method for the heating output of the continuous annealing production line comprises the steps that the strip steel width-to-thickness ratio of strip steel is determined before the strip steel enters a continuous annealing furnace area of the continuous annealing production line; whether the strip steel width-to-thickness ratio is within the range of a first width-to-thickness ratio is judged, and a first judged result is obtained; and if the first judged result is yes, then a first mix heating mode matched with the strip steel width-to-thickness ratio is determined from various mix heating modes, wherein each mix heating mode is a proportional mix of a proportional heating mode and a normal heating mode, and after the strip steel enters the continuous annealing furnace area, the heating output of each line of burners in the continuous annealing furnace area is adjusted according to a first power output curve of the first mix heating mode, and the product quality of the thin gauge strip steel is further improved.
Owner:SHOUGANG JINGTANG IRON & STEEL CO LTD

Phthalonitrile-terminated polyimide resin containing phthalazinone structure, cured product and preparation method thereof

The invention belongs to the field of synthesis of polymer materials and specifically relates to phthalonitrile-terminated polyimide resin containing a phthalazinone structure, a cured product and a preparation method thereof. The phthalonitrile-terminated polyimide resin containing the phthalazinone structure is prepared by taking 4-(3-aminophenoxy) phthalonitrile as a terminating agent and carrying out solution nucleophilic substitution reaction. The method has simple steps and is convenient and feasible. The polyimide resin shows great solubility in commonly used polar solvents, can be processed and molded by a variety of ways, and simultaneously has great curing reaction activity. The cured product of the polyimide resin containing the phthalazinone structure with dimension stability and high thermal stability can be obtained by carrying out pre-curing on the resin at the temperature of 150-300 DEG C and carrying out thermal treatment at the temperature of 350-400 DEG C in the presence of aromatic diamine. The phthalonitrile-terminated polyimide resin containing the phthalazinone structure can be used for preparing coatings, insulating paint, sizing agents, thin films, high-performance composite materials and the like and has wide application prospects.
Owner:DALIAN UNIV OF TECH
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