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322results about How to "Fast exchange" patented technology

Common control net for nuclear power station

ActiveCN101783192AIncrease the speed of information exchangeIncrease information exchange capacityNuclear energy generationNuclear power plant controlElectrical controlNuclear engineering
The invention relates to a common control net for a nuclear power station, which comprises an electrical control subring net, a sub-control subring net and a monitoring layer ring net, wherein the electrical control subring net is used for being connected with a nuclear power station electrical system, and controlling and monitoring the connected nuclear power station electrical system; the sub-control subring net is used for being connected with a sub-system of the nuclear power station, and controlling and monitoring the connected sub-system of the nuclear power station; and the monitoring layer ring net is respectively connected with the electrical control subring net and the sub-control subring net in order to exchange data with the electrical control subring net and the sub-control subring net respectively and sends a corresponding operation command. The technical scheme of the invention solves the problem that the common system can not be controlled, which is generated by different retirement periods caused by different service life in the nuclear power station management; the invention can not be influenced by the set retirement, realizes the network control of the common system, improves the information exchange speed and increases the information exchange volume, reduces operators, improves the operable rate and the usability of the common system, and further improves the economy of the nuclear power station operation.
Owner:中广核工程有限公司 +1

Method for enriching agaric polysaccharide in purified black agaric by using macroporous absorption resin

The invention belongs to the field of natural organic chemistry, and relates to a method for enriching agaric polysaccharide in purified black agaric by using macroporous absorption resin. The invention is characterized in that a macroporous absorption technology is applied to separate the purified black agaric polysaccharide, the absorption selectivity to the agaric polysaccharide is good, the absorption and analysis are both fast, and the absorption capacity is larger; and the extraction is convenient and fast, the raw material source is rich, the production is low, the separating effect is obvious, the extracting purity is high, semi-finished products of agaric polysaccharide with the content of more than 35 percent and final products of agaric polysaccharide with the content of more than 98 percent can be obtained, and the defects that the conventional method has lower extraction rate and low extraction purity are overcome. The method selects macroporous absorption resin with stable physical-chemical properties, larger surface area, faster exchange velocity, high mechanical strength, strong anti-pollution capability and good heat stability, can absorb the agaric polysaccharide selectively from solution by physical absorption, and has fast absorption and analysis and larger absorption capacity.
Owner:HEILONGJIANG DINGHENGSHENG PHARM CO LTD

Preparation method for ultrafine fiber clothing leather

The invention discloses a preparation method for ultrafine fiber clothing leather. The preparation method comprises the following steps that a figured or unfigured sea-island fiber is selected to be prepared into a high-density non-woven cloth, and heat setting is performed; the non-woven cloth is impregnated with polyurethane sizing and then cured to be prepared into semi-finished synthetic leather; quantity reduction treatment is performed on the semi-finished synthetic leather to strip out sea ingredients in the sea-island fiber, and then semi-finished ultrafine fiber clothing leather is prepared; the semi-finished ultrafine fiber clothing leather is treated through splitting, sanding and softening, and then the ultrafine fiber clothing leather is prepared. The ultrafine fiber clothing leather obtained through the method has the advantages that the handfeel is soft, the drape performance is good, the hot iron resisting effect is good, the effect of consistent folding grains in the warp direction and weft drection is achieved, the zigzagged folding grain or thick wrinkle phenomenon cannot occur when the leather is folded in half, the recovery effect is extremely good after the leather is folded in half, and the surface has no fold residue.
Owner:SHANDONG TONGDA ISLAND NEW MATERIALS

Polishing pad and preparation method thereof

ActiveCN106826541AGood water permeabilityGood and stable polishing effectGrinding devicesLapping toolsMetallurgyAdhesive
The invention discloses a polishing pad. The polishing pad comprises a base material and a polishing layer arranged on the base material, wherein the base material is formed after infiltration with a water-soluble adhesive; the polishing layer comprises a coating body and multiple cylindrical holes, and the coating body is full of three-dimensional through structure holes; the cylindrical holes are longitudinally distributed in the coating body; the top end of each cylindrical hole is connected with the top surface of the coating body, and a space is formed between the bottom end of each cylindrical hole and the bottom surface of the coating body; the height of the space is smaller than 1 / 4 of the height of the coating body. The polishing pad can well store chips produced in the storage and polishing process, prevents a polishing assembly from being scratched and is beneficial to improvement of the polishing effect and long in service life. The invention further discloses a preparation method of the polishing pad. Non-woven fabric is infiltrated into the water-soluble adhesive, dried and subjected to hot roller ironing treatment, a surfactant is applied to the back side, then, the surface is coated with a polyurethane solution, then, the non-woven fabric enters a coagulation bath and is subjected to water washing, drying and surface treatment, and the polishing pad is obtained. The process is simple, the coagulation and water washing efficiency is high, and the production efficiency is greatly improved.
Owner:河南惠强新能源材料科技股份有限公司

Novel ion exchange fiber and its application

The invention discloses a novel ion exchange fiber and its application. The ion exchange fiber is directly prepared by directly selecting raw materials having ion exchange functions without obtaining functional groups through a chemical treatment of grafting. The preparation method of the ion exchange fiber is simple, is in favor of the industrialized continuous production of products, and has a low economic cost. The ion exchange fiber prepared in the invention has the advantages of large exchange capacity, fast elution and adsorption speed, and the like. The filament diameter and the exchange capacity of the ion exchange fiber prepared in the invention are 5-100mum and 3.0-5.8mmol / g respectively. The matrix fiber of the ion exchange fiber has good comprehensive performances comprising good mechanical performances, high temperature resistance, acid and alkali resistance and the like. The preparation method of the novel ion exchange fiber comprises the following steps: mixing the raw materials comprising polystyrene (PS) and polyethylene (PE) with a compatilizer according to a certain weight ratio, adjusting an optimum spinning temperature, and carrying out melt spinning to prepare the base material of the ion exchange fiber; and carrying out chemical treatment of the base material to prepare the cation exchange fiber having sulfonic groups. The novel ion exchange fiber can be widely applied to the environmental protection field, the medicine and health field, the metallurgical filed, the water treatment field, the chemical adsorption field, the resource recovery field and the like.
Owner:冯淑芹

Method for enriching and purifying procyanidin in pine bark

The invention belongs to the field of natural organic chemistry, relating to a method for enriching and purifying procyanidin in pine bark. The method is characterized in that an intermittent distillation and macropore adsorbent resin coupling technology is used to separate and purify the procyanidin, and the technology is good for absorption selectivity of the procyanidin; and by using the intermittent distillation and macropore adsorbent resin coupling technology, absorption is quick and deabsorption is also quick, absorption capacity is large, extraction is convenient and quick, raw material source is rich, production cost is low, separation effect is obvious, extraction purity is high, above 50% of semi-finished product procyanidin and above 95% of final product procyanidin can be achieved, and the defects of low conventional extraction rate and low extraction purity are overcome. In the method, the macropore adsorbent resin which has the advantages of stable physicochemical property, large surface area, fast exchange speed, high mechanical strength, strong pollution resistance capability and good heat stability is selected, the procyanidin is selectively absorbed from solution through physical absorption, absorption is quick and deabsorption is also quick, and absorption capacity is large.
Owner:DAXINGANLING LINGOBERRY BOREAL BIOTECH CO LTD
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