33results about How to "Improve first-class rate" patented technology

The invention relates to the field of modified asphalt production, and discloses modified asphalt and its continuous production method and system. The system includes: a continuous heating feed system (1) and a downstream asphalt polymerization reaction system (2), and a continuous heating feed system The discharge port is connected with the feed port of the asphalt polymerization system; the continuous heating feed system includes an asphalt liquid storage unit (11) and an asphalt liquid heating unit (72), and the asphalt polymerization system includes 2-8 grades of reactors connected in series and at least Level 1 standby reactor; bituminous liquid heating unit includes space for filling bitumen and molten salt separately. The method includes: heating the asphalt liquid to a predetermined temperature to form an asphalt melt, and adding it to an asphalt polymerization reaction system for contact reaction; heating the molten asphalt through molten salt; the polymerization reaction system includes 2-8 reactors connected in series and at least 1 level spare reactor. The obtained modified asphalt has uniform softening point, good stability, low content of low-molecular components, and can be continuously produced.

The invention discloses a quality traceability management method for the whole production process of carbon anodes for aluminum. By assigning physical identity attributes to carbon anodes, the matching and correlation of information including process parameters in the production and use of carbon anodes and time correspondence are realized; through the development of identity Endow physical attributes with machine vision recognition equipment to realize the tracking of physical attributes; through the means of developing system software, complete the storage, conversion and preprocessing of production process information data; finally, through data mining and machine learning, establish the quality of carbon anode production process system prediction model. Through the development of the above-mentioned related devices and system development, the present invention can optimize the technical parameters of the production process, realize the precise correspondence and association between the process data and the anode production batches, and find out the cause of the problem if there is an anode and quality problem, and solve the problem. Adjust in time to improve the quality of anode production, reduce the unqualified rate, and increase the rate of first-class products.

The invention relates to a culture material for black fungus cultivation. Based on the total weight of the culture material, the culture material is made from the following ingredients of: by weight, 30-75% of a Jatropha curcas branch powder, 15-50% of weed tree sawdust or cotton seed hull or xylitol slag, 8-30% of wheat bran or rice bran, 0.05-1% of potassium dihydrogen phosphate, 0.2-5% of gesso and 0.2-5% of quicklime. The culture material for black fungus cultivation is used to produce artificial log cultivated black fungus and greatly control the growth of mixed bacterium and insect pest. The black fungus has excellent quality and good taste with high first degree quality rate, high biological efficiency and stable output. In addition, resources can be saved.

A method for eliminating molybdenum dioxide dripping material disclosed by the invention is specifically implemented according to the following methods: 1) select molybdenum trioxide as the raw material for preparation; The screen should be fixed, and the edges of the screen should be tied tightly with thin iron wires. Finally, a thin aluminum-plastic plate should be wrapped on the outside of the screen, and the interface of the aluminum-plastic plate should be fixed with rivets; Measure, then make a thermal insulation cap with a thin aluminum-plastic plate according to the measured size, and attach a layer of thermal insulation material layer on the inner wall of the thermal insulation cap, and finally put the prepared thermal insulation cap on the head of the hydrogen return pipeline; 4) pair the flat The five temperature zones in the four-tube low-temperature reduction furnace are adjusted respectively; 5) The selected molybdenum trioxide is placed in the adjusted flat four-tube low-temperature reduction furnace for inverse hydrogen reduction treatment, and finally molybdenum dioxide is obtained. The molybdenum dioxide obtained by the method of the invention is relatively loose, and at the same time, the molybdenum dioxide oversize is reduced.

A quartz high temperature melting lump waterpower spurting breaking device comprises a corrosion resistant cylinder body arranged on a machine frame. A water cooling base plate is positioned at the bottom of the cylinder body, a gas collection cover is arranged at the top of the cylinder body, a pair of extrusion heads are positioned on the water cooling base plate, and a cylinder body wall self-cooling system and a high temperature melting lump inflowing water spurting system are arranged on the cylinder body. Quartz ore is arranged in a resistor furnace to be melted into a lump shape to be arranged on the water cooling base plate which is arranged in the cylinder body. Simultaneously, two groups of spurting water are started to perform cold explosion on quartz high temperature melting lump, and when high temperature quartz melting lump is in a shock cooling physical state, the ore generates concentrated cracks and is loosened, the extrusion heads further exert mechanical pressure on the quartz lump bodies, and finally, quartz is smashed into fine blocks of about 10mm. The quartz high temperature melting lump waterpower spurting breaking device achieves civilized construction and environments, improves quality and stability of products, remarkably improves rate of first products and provides conditions for large-scale industrial production.

The invention provides an aspergillus niger pectin lyase mutant and a viscosity reducer for syrup during corn ethanol fermentation production, and relates to the field of biotechnologies. Lysine at the 241st positions of amino acid sequences of aspergillus niger pectin lyase is replaced by methionine to obtain the mutant. The invention further provides an encoding gene of the mutant. A method for preparing the mutant includes fermenting Escherichia coli with the encoding gene of the mutant to obtain the mutant. The viscosity reducer for the syrup during corn ethanol fermentation production is a mixture of the mutant and one or two types of cellulase, xylanase, beta-glucanase, mannanase, glutamine transaminase and lipase. The aspergillus niger pectin lyase mutant, the viscosity reducer and the encoding gene have the advantages that the aspergillus niger pectin lyase mutant is excellent in enzyme stability and catalytic activity, and the method for preparing the aspergillus niger pectin lyase mutant is simple; the viscosity of the syrup can be quickly and efficiently reduced by the viscosity reducer during corn ethanol fermentation production under the condition of low energy consumption.

The invention provides a mutant of cellulose exocellobiohydrolase CBH I and viscosity reducer of syrup in corn fuel ethanol fermentation production and relates to the field of biotechnology. The mutant of the cellulose exocellobiohydrolase CBH I is obtained by replacing the 68th tyrosine of the amino acid sequence of the cellulose exocellobiohydrolase CBH I with glycine or alanine. The viscosity reducer is a mixture of the mutant of the cellulose exocellobiohydrolase CBH I and one or more than two of pectinase, xylanase, beta-glucanase, mannase, glutamine transaminase and lipase. The mutant of the cellulose exocellobiohydrolase CBH I is great in enzyme stability and catalytic activity, and the preparation method is simple and efficient. By adopting the viscosity reducer, viscosity reduction can be conducted on the syrup in the corn fuel ethanol fermentation production rapidly and efficiently under the condition of low energy consumption.

An intelligent soft measurement method for sizing sizing ratio belongs to the technical field of automatic measurement. According to the analysis of the sizing mechanism and the composition of the sizing machine, the auxiliary variables for the soft measurement of the sizing rate of the sizing machine are determined to be: the speed of the sizing machine, the pressure of the low-pressure sizing roller of the sizing machine, the pressure of the high-pressure sizing roller of the sizing machine, and the pressure in the sizing tank of the sizing machine. Size concentration and size temperature in the sizing tank of the sizing machine; collect the historical operation data of the sizing machine to establish a sample data set; establish a soft sensor model for the sizing rate of the sizing, and obtain the relationship between the auxiliary variable and the sizing; the sizing rate of the sizing Calculate online. The method of the invention can accurately calculate the sizing rate of sizing on-line, has fast calculation speed and high precision, can realize on-line detection, and reduces energy and material consumption in the sizing production process; it has a wide range of applications, and can be used for other quality after proper modification of the data source. Indicators such as moisture regain, elongation, etc. can be measured online; it can easily share information with other links in cotton textile production, and provide reference for the operation of other links.

The invention discloses a method for separating primary and secondary washed massecuite from high-grade washed massecuite, which is characterized by comprising the following steps: (1) feeding high-grade massecuite into a centrifugal massecuite separating machine, separating raw massecuite from the high-grade massecuite under the centrifugal separating action, and discharging the raw massecuite (95-98%); and (2) water washing and steam washing: transferring the centrifugal massecuite separating machine into a water washing and steam washing phase, and presetting the whole water washing phase to be 9 seconds through a computer controlled program, wherein the washed massecuite discharged within the first 4 or 5 seconds is primary washed massecuite, and the washed massecuite discharged within the last 5 or 4 seconds of the water washing phase and during the subsequent steam washing phase is secondary washed massecuite. According to the invention, the refining recovery rate and the first-grade product rate of white granulated sugar can be effectively improved.

The invention relates to an imitation wild cultivation method of black fungus in a jatropha curcas forest, which comprises the steps of bagging of prepared culture materials, sterilization, inoculation, production of fungus sticks, culture and fungus bed outdoor bag cultivation, and the prepared culture materials for producing the fungus sticks comprise the following components by weight percent:30%-75% of jatropha curcas branch powder, 15%-50% of sawdust or cotton seed hull or xylitol residue, 8%-30% of wheat bran or rice bran, 0.05%-1% of monopotassium phosphate, 0.2%-5% gypsum powder and 0.2%-5% of quick lime; and a fungus bed in the outdoor bag cultivation step is arranged in open space of the jatropha curcas forest. The black fungus planted by the method does not occupy farmland andcan save resources and well control the growth of mixed fungi and insect damages, and the black fungus has the advantages of good quality, good taste, high first-grade product rate, high biological efficiency and stable yield.