106results about How to "High quality production" patented technology

The invention relates to a preparation method of notoginseng leaf total saponins, and belongs to the technical field of natural medicine extraction. The preparation method comprises the following steps: adding a solvent to notoginseng leaves, carrying out ultrasonic wave countercurrent continuous extraction, filtering, collecting filtrate, concentrating to obtain clear paste, adding a natural clarifying agent for clarification, centrifuging, adding ethyl alcohol to a clear solution to ensure that the ethyl alcohol content of the clear solution is 30-50%, and carrying out alcohol precipitation; and purifying the clear solution subjected to alcohol precipitation by using a desugaring resin column, eluting by using ethyl alcohols with different concentrations, decolorizing by using anion exchange resin after desugaring, finally concentrating, and carrying out microwave drying so as to obtain the notoginseng leaf total saponins. The preparation method has the advantages that the obtained notoginseng leaf total saponins are off-white, the texture of the powder is loose, the yield of total glycosides is above 8%, the content of the total glycosides is not lower than 90% (UV-ultraviolet), the obtained notoginseng leaf total saponins mainly comprise Rb3, Rc, Fc, Fa and the like, and the content of the Rb3 is greater than or equal to 40% (HPLC- High Performance Liquid Chromatography); the process is simple, the realization of industrialization is facilitated, and the product quality is substantially improved.

The invention provides a preparation method of a TC17 titanium alloy flat square section bar. The preparation method comprises the following steps that (1) a riser and an ingot bottom of a TC17 titanium alloy cast ingot are cut off, and surface defects are removed; (2) billet forging is performed on the TC17 titanium alloy cast ingot, and primary forging stocks are obtained; (3) first middle forging is performed on the primary forging stocks, and first middle forging stocks are obtained; (4) second middle forging is performed on the first middle forging stocks, and second middle forging stocks are obtained; (5) sawing is performed on the second middle forging stocks, then forming forging is performed, and a semi-finished flat square section bar is obtained; and (6) heat treatment is performed on the semi-finished flat square section bar, and the TC17 titanium alloy flat square section bar with the length of 850 mm to 1600 mm, the width of 132 mm and the thickness of 65 mm to 100 mm is obtained. The preparation method has the advantages of integral technical scheme, strong process controllability, uniformity in product texture and shape, excellent overall performance, high batch stability and high yield and is suitable for large-scale industrial production.

The invention discloses a dielectric barrier discharge plate which comprises a plate body. An oxygen inlet, an oxygen outlet, a corresponding oxygen channel and a corresponding ozone channel are formed in the plate body. A cooling channel, a corresponding cooling water inlet and a corresponding cooling water outlet are further formed in the middle of the plate body. The upper face and the lower face of the cooling channel are each provided with a high voltage assembly. Each high voltage assembly comprises a groove-shaped ceramic vessel, and a square rubber gasket, a composite plate electrode and a heat conducting silica gel pad are arranged in a groove of each ceramic vessel, wherein the composite plate electrode and the heat conducting silica gel pad are arranged in the rubber gasket from top to bottom in an overlapped mode. The invention further discloses a plate type ozonator module with at least one set of basic unit components and a large plate type ozonator unit formed by at least one set of plate type ozonator modules.

The invention discloses a wood board surface machining treatment device which comprises a cutting frame and a polishing chamber; a supporting plate is further fixedly connected to the middle of the inner wall of the front end and the middle of the inner wall of the rear end of the cutting frame, rectangular holes are formed in the two sides of a polishing chamber in a penetrating mode, and a working plate is further fixedly connected between the bottom faces of the interiors of the rectangular holes and the top face of the supporting plate; a first air cylinder is fixedly connected to the inner top face of the cutting frame through screws, a cutting machine is fixedly connected to the output end of the first air cylinder through screws, a mounting frame is fixedly connected to the outer top face of the polishing chamber, second air cylinders are fixedly connected to the front side and the rear side of the bottom face of the mounting frame through screws, and mounting strips are fixedlyconnected to the output ends of the second air cylinders through screws; and polishing rollers are rotatably connected to the middles of the two mounting strips and the lower sides of the inner wallsof the front end and the rear end of the polishing chamber correspondingly, and first pushing rollers are further rotatably connected to the two sides of the two mounting strips. The wood board surface machining treatment device is reasonable in design and stable, continuous machining operation of wood boards is easy and convenient, double-face polishing and waxing operation of the wood boards can be achieved at the same time, and the working efficiency of wood board machining is greatly improved.

The invention discloses an imitating handmade full-automatic raw twisted cruller production line which at least includes a horizontal reciprocating dough rolling device, an interval oil-water brushingcutting device, a stacking creasing device, a stretching device and a cutting device. A reciprocating dough rolling mechanism applies reciprocating rolling non-parallel to the conveying direction ona dough material to form a dough strip; the interval oil-water brushing cutting device brushes water and oil at intervals along the dough strip conveying direction and divides the dough strip into a plurality of dough strips; stacked two-layer dough strips are pressed for creasing through the stacking creasing device; the stretching device elongates the dough strips; and the cutting device cuts the elongated dough strips to form raw twisted cruller. According to the structural design of the imitating handmade full-automatic raw twisted cruller production line, full-automatic production is realized, the quality that the produced raw twisted cruller imitates hand-made raw twisted cruller is achieved, the produced raw twisted cruller are better than hand-made, the taste of the fried raw twisted cruller is the same as that of the hand-made, even better, and efficiency and high-quality production are achieved.

The invention relates to semi-heat accumulating type rotating bed equipment and a process for producing large-size high-activity lime. Due to the application of a top combustion nozzle and a heat accumulating combustion nozzle as well as the design of a rotating bed in a longer soaking area, lime with the particle sizes of 10-200mm can be burnt at the same time, and mineral resources are utilizedsufficiently. Small-sized, medium-sized and large-sized lime can be arranged at different layers, so that overburning and unburnt problems are effectively prevented, the unburnt rate is smaller than 0.5%, and the activity of the lime is increased to 380-420ml. Due to the application of the technology of the rotating bed, powder of the lime product is reduced from 12-30% to 3.0-5.0% compared with that of the traditional equipment, the daily output of the lime reaches 1500-4000 tons, and high-efficiency and high-quality production of the lime is realized. High-temperature smoke of the rotating bed is used for preheating limestone; the heat of high-temperature lime is used for preheating combustion supporting air; and the heat in the system is utilized effectively and comprehensively; moreover, the semi-heat accumulating type rotating bed equipment has the advantages of low comprehensive energy consumption, low production cost and obvious economic and social benefits.

The invention belongs to the technical field of agro-biology and particularly relates to fungus-originated acid protease Bs2688 and gene and application thereof. An amino acid sequence of the acid protease is shown as SEQ ID NO. 1 or SEQ ID NO. 2. The invention provides a new protease gene; proteinases with good character are produced by means of genetic engineering; the new protease gene is applicable to the industries, such as feed, food and medicine.

The invention discloses a non-sinusoidal vibration control system of a continuous casting mold driven by a servo motor, comprising a host computer monitoring system, a non-sinusoidal vibration control system of an n-stream continuous casting mold, and a non-sinusoidal vibration control system of a continuous casting mold for each stream Including motion controller, servo drive, servo motor, reducer, drive mechanism and continuous casting mold vibration table, continuous casting mold, displacement sensor, etc. The non-sinusoidal vibration of each continuous casting mold is independently controlled by a motion controller. The host computer monitoring system monitors the non-sinusoidal vibration of all continuous casting molds in real time. When the first-class motion controller fails, the monitoring system sends out an alarm. But it does not affect the normal operation of other continuous casting streams. Compared with a centralized control system based on a high-performance programmable controller, the present invention can avoid the situation that all continuous casting strands are affected due to the fault of the programmable controller, improves the safety and reliability of the system, and has the advantages of low cost, Advantages such as simplified structure.

The invention relates to the field of genetic engineering, and in particular relates to high-temperature resistant acidic beta-mannase Man-L30 and a gene and application thereof. The high-temperature resistant acidic beta-mannase Man-L30 is characterized in that the amino acid sequence is as shown in SEQ ID No.1 or 2. The high-temperature resistant acidic beta-mannase gene man-L30 encodes the high-temperature resistant acidic beta-mannase Man-L30 as disclosed in claim 1 and has the nucleotide sequence as shown in SEQ ID No.4 or 5. The beta-mannase Man-L30 also has the characteristics of being resistant to high temperature, high in pH (Power of Hydrogen) stability, high in protease resistance, etc.; the pH is preferably 5.5; the enzyme can remain more than 65% of activity under the pH of 2.5 to 6.5; the temperature is preferably 50 DEG C, and the antipepsin and trypsin processing capacity is relatively high under such temperature. The high-temperature resistant acidic beta-mannase Man-L30 is applicable to the feeds, foods, medicines and other industrial fields.

The invention relates to a preparation method for prucalopride degradation impurities. Particularly, the invention discloses a synthesis method for degradation impurity compound (I) of drug prucalopride (namely 4-amino-5-chloro-2,3-dihydro-N-[1-(3--methoxypropyl)-4-piperidyl]-7-benzofurancarboxamide succinate) used for treating the constipation of women, and applications in prucalopride research. According to the method, a target compound is obtained by prucalopride through hydrogenation reduction. The compound (I) can be obtained through chemical synthesis for the first time by adopting the method, and the target compound can be obtained through efficient and fast separation.

The invention discloses a method for efficiently expressing acid protease and application thereof, and belongs to the field of gene engineering. The expression enzyme activity of the recombinant pichia pastoris P.pastoris GS115/pPIC9K-en-alpha SP-acidprotea provided by the invention reaches 5395U/mL and is improved by 109% compared with the enzyme activity of a control strain containing original alpha-signal peptide; the acidic protein disclosed by the invention is in a pH range of 1-5, the enzyme can maintain the enzyme activity of 60% or more, the residual enzyme activity is 80% or more after the enzyme is treated at 20-40 DEG C for 30 minutes, and the acid protease can be suitable for industries such as food, feed or brewing and the like. According to the technical scheme provided by the invention, the acid protease suitable for industrial application can be produced by utilizing a genetic engineering means.

The invention belongs to the technical field of agro-ecology, and particularly relates to alkaline protease PA3 and its coding gene and an application thereof. The present invention provides an alkaline protease PA3 derived from Torrubiella hemipterigena, an amino acid sequence of which is shown as SEQ ID NO. 1 or SEQ ID NO. 2, the alkaline protease PA3 has good properties and can be applied to many fields such as food, feed, leather production, washing, medicine and the like. According to the technical solution of the present invention, the alkaline protease PA3 which is excellent in properties and suitable for industrial application can be produced by genetic engineering means.

The invention discloses a smelting control method of bake hardening steel. The method includes the steps that converter tapping is conducted, and post-converter carbon content is obtained; the temperature and arrival oxygen content of steel are measured, and whether the oxygen blowing operation needs to be conducted or not is determined according to the post-converter carbon content and the arrival oxygen content; if yes, vacuum decarburization processing is conducted on the steel, and the oxygen blowing operation is conducted at the same time; an aluminum block is added to conduct the deoxygenation operation, and circulation is conducted for 2 min to 3 min; micro-carbon ferromanganese and ferroniobium are added to conduct the alloying operation, and circulation is conducted for 2 min to 3 min; the carbon content and the niobium content of the steel are obtained; the amount of medium-carbon ferromanganese needing to be added is calculated according to the carbon content, the niobium content and the BH value of the bake hardening steel; and circulation is conducted for 8 or more minutes. The decarburization speed and the controllability of oxygen activity obtained after decarburization is finished are increased by supplying oxygen in vacuum decarburization processing, the alloy addition sequence is adjusted, the carbon adjustment amount is calculated according to the carbon content and the niobium content and through the combination with the requirement for the BH value, the influence of fluctuation of the niobium absorption rate on BH value control is avoided, the processing time is shortened, aluminum only needs to be added once, and influences on the quality of molten steel are reduced.

The invention discloses a configuration of improving an existing oxidation tank to recover an anode oxidation solution. An oxidation solution collecting system, an oxidation solution circulation cooling system, an oxidation solution treatment system, an oxidation solution separation system and an oxidation solution recovering and recrystallizing system are included. The invention further disclosesa method for recovering the anode oxidation solution using the configuration of improving the existing oxidation tank to recover the anode oxidation solution. The method comprises the steps of oxidation solution collecting, oxidation solution circularly cooling, oxidation solution processing and separating, and oxidation solution recovery and recrystallizing. By means of the configuration and themethod, online crystal precipitation of aluminum ions and oxidation solution circular use can be achieved to effectively reduce oxidation solution resistance and achieve low-cost high-quality production.