31results about How to "Adapt to the requirements of industrial production" patented technology

The invention discloses a method for manufacturing a vacuum insulation panel core material with high performance and low cost. The method comprises the following steps of: pulping glass fiber cotton which is produced by a centrifuge method; diluting; screening; performing dehydration molding; performing pressure roller sizing; performing vacuum negative pressure dehydration; drying; cooling; and cutting. In the manufacturing method, the glass fiber cotton which is completely produced by the centrifuge method is used as a raw material of the vacuum insulation panel core material with high performance and low cost, the coefficient of thermal conductivity of the produced vacuum insulation panel core is between 0.003 and 0.008 W / m.k, and the coefficient of heat insulation is greatly improved;the thickness of the panel core material is between 0.5 and 30 mm, and the thickness is thinner; and the glass fiber cotton with the diameter of 3.5 to 5 mu m and the length of 5 to 20 mm has low cost and low overall manufacturing cost, and the overall cost of the vacuum insulation panel is lowered.

The invention discloses a method for preparing diethylene glycol dibenzoate ester, which relates to a process for preparing diethylene glycol dibenzoate ester (DEDB) which functions as a plasticizer of organic chemical products. First, benzyl acid and diglycol with the weight ratio of 2: 1-1.1 are taken; then, protonic acid is taken as a catalyst, which has a weight 0.01-0.02 time of the overall weight of benzyl acid and diglycol; then, benzyl acid and diglycol are put into a reactor to be stirred and heated up to 90-200 DEG C, and the catalyst is added; then saturated hydrocarbons is added as a water-carrying agent, and the temperature is adjusted to 90-160 DEG C with heat preservation for 6-16h until the reaction is fully conducted; at the temperature, the water-carrying agent is vacuumed and removed to get a crude product of diethylene glycol dibenzoate ester; finally, alkali is added for neutralization to remove the catalyst; then, decolorization and leaching are carried out in sequence to get diethylene glycol dibenzoate ester. The method for preparing diethylene glycol dibenzoate ester has the advantages that as the saturated hydrocarbons water-carrying agent is used, under the catalysis of protonic acid, the reaction temperature is effectively lowered, thus inhibiting production of side products; the conversion rate reaches 98 percent; the yield coefficient is high; the cost of the product is low; and the method has strong industrial production value.

The invention discloses a 3, 6- dichloro pyridine methanamine electrolytic synthesis method and device, which comprises the following steps: using 3, 4, 5, 6-tetrachloro pyridine aminic acid for main electrolysis material; placing electrolytic solution in electrolysis bath to electrolyze; getting 3, 6- dichloro pyridine methanamine by neutralizing, cooling, crystallizing, filtering and drying; carrying on toughening treatment for cathode of electrolysis bath by periodic reversible power of thyristors. The device is composed of power, dosage bunker, electrolysis bath, wherein the power is stabilized voltage and permanent flow, which can control the cycle reverse power; the power connects to current commutator; program control unit is installed for current commutator; the anode of power is connected to anode of electrolysis bath; the minus pole of power connects to cathode of electrolysis bath.

The invention relates to a black polyester fiber. The components of the black polyester fiber include a semi-dull polyester slice and a black polyester masterbatch, wherein the weight ratio of the semi-dull polyester slice to the black polyester masterbatch is (80-75):(20-25); the components of the black polyester masterbatch include the semi-dull polyester slice, a black masterbatch and a lustre-enhancing agent, wherein the black masterbatch accounts for 1%-10% of the weight of the black polyester fiber, and the lustre-enhancing agent accounts for 1%-3% of the weight of the black polyester fiber. The preparation method comprises the following steps: (1) blending the semi-dull polyester slice, the black masterbatch and the lustre-enhancing agent, and preparing to obtain the black polyester masterbatch; (2) blending the black polyester masterbatch and the semi-dull polyester slice, and finally spinning to obtain the black polyester fiber. The preparation method disclosed by the invention has the advantages of simple process and low cost; the obtained black polyester fiber has the advantages of good lustrousness, high color saturation and brighter appearance of a made fabric and higher application value in a clothing industry.

The invention discloses a disc type powder precise quantitative feeding device. An upper barrel is connected with a lower barrel through two flanges; a partition plate is fixed between the two flanges which connect the upper barrel and the lower barrel; a material taking hole is formed in the partition plate; a plurality of material taking blades which are uniformly distributed in the radial direction of a material taking rotating disc and are provided with triangular notches are arranged in the upper barrel; feeding blades which are arranged in the radial direction of a feeding rotating disc and are provided with triangular notches are arranged in the lower barrel; the quantity of the feeding blades is equal to the quantity of the material taking blades; the feeding blades are 1.5-2 times the heights of the material taking blades; the material taking rotating disc is fixed to the upper part of a driving shaft in a key connection manner and the feeding rotating disc is fixed to the middle part of the driving shaft in a key connection manner; a feed port is formed in the upper part of the upper barrel; a discharge port is formed in the lower part of the lower barrel; the bottom of the discharge port is connected with the upper part of a temporary storage bin; and the lower part of the temporary storage bin is connected with a feed port of a quantitative screw conveyer. The disc type powder precise quantitative feeding device has the advantages of simple structure, low cost, high control precision and good operating stability.

The invention belongs to the food processing field of staple food and relates to buckwheat steamed bread with a high flavone content and a preparation method of the buckwheat steamed bread. The buckwheat steamed bread is prepared from the following components: high gluten wheat flour, tartary buckwheat powder, sweet buckwheat powder, alpha-amylase, pentosanase, water and yeast. The preparation method of the buckwheat steamed bread comprises the following steps of: firstly, carrying out vacuum freeze drying and ultrafine grinding treatment on the tartary buckwheat powder and the sweet buckwheat powder, respectively; then, uniformly mixing the high gluten wheat flour, the tartary buckwheat powder, the sweet buckwheat powder, the alpha-amylase, the pentosanase and the yeast and then adding water to the mixture; and finally, mixing, tabletting, dividing and forming, fermenting, cooking, cooling and packaging to obtain the buckwheat steamed bread with the high flavone content. According to the buckwheat steamed bread with the high flavone content and the preparation method of the buckwheat steamed bread, the content of the favone in the buckwheat is improved, processing performances, such as elasticity and viscosity, of buckwheat dough are improved, and the rough mouthfeel of the product is improved by applying advanced technologies such as vacuum freeze drying, ultrafine grinding and bio-enzyme treating. The buckwheat streamed bead produced by the preparation method disclosed by the invention is fine in mouthfeel, can be used as staple food for long-term consumption, higher in flavone content, and is provided with a healthcare function of regulating lipid and reducing blood glucose by buckwheat.

The invention discloses a bean curd preparation method for improving the elasticity of bean curd based on a sour slurry coagulator, which comprises the following steps: S1, preparing the coagulator: inoculating a fermentation strain into yellow serofluid for fermentation to prepare the coagulator; S2, preparing a cooked soybean milk mother solution, namely removing impurities from soybeans, cleaning, soaking, pulping, removing residues, boiling, and adding carrageenan while stirring to obtain the cooked soybean milk mother solution; and S3, preparing the high-elasticity bean curd: adding a coagulator into the cooked soybean milk mother liquor to obtain the high-elasticity bean curd. According to the sour slurry coagulator, yellow serofluid is fermented through efficient fermentation strains, compared with sour slurry prepared through natural fermentation at present, the fermentation speed is higher, the fermentation end point is easier to control, the product quality is more stable, and the sour slurry coagulator meets the requirements of industrial production; the carrageenan is added according to a certain proportion in the preparation process of the sour slurry bean curd, so that the separation of soybean whey protein is accelerated, and meanwhile, the prepared sour slurry bean curd is more smooth in mouth feel, particularly rich in elasticity and not easy to break.

The invention discloses a double-tube type powder quantitative feeding device which comprises two sets of rotating cylinders, discharging rotary discs and two sets of material distributing bins. The two sets of rotating cylinders are opposite in rotating direction and are arranged horizontally and in parallel, and the two sets of rotating cylinders are provided with the multiple sets of discharging rotary discs. The discharging rotary discs are provided with multiple arc notches and are arranged on the two sets of rotating cylinders in a crossed manner. The upper portions of the material distributing bins communicate with a material evening bin, the bottoms of the material distributing bins communicate with a screw conveyor, and the upper portions and the lower portions of the material distributing bins are provided with material level meters. The two sets of rotating cylinders are fixed to a transmission shaft and a driven shaft correspondingly. A drive gear is arranged at the front portion of the transmission shaft, a driven gear is arranged at the front end portion of the driven gear, and the drive gear and the driven gear are engaged. The two sets of rotating cylinders are arranged at the upper portion of the material evening bin, a feeding pipe is arranged at the upper portion of the material evening bin, and the distance between the left wall face and the right wall face of the feeding pipe is smaller than the horizontal distance between the center lines of the two sets of rotating cylinders. The double-tube type powder quantitative feeding device has the beneficial effects that the structure is simple, the cost is low, the control precision is high, and the running stability is good.

The invention provides a method for preparing 3-oxobutanoic acid-2-nitrile ethyl ester and its homologues by using acetoacetate as a raw material through transesterification reaction catalyzed by Lewis acid. Under Lewis acid catalysis, acetoacetate undergoes transesterification reaction with hydroxyethyl, propylene, butyl, pentamyl, hexyl or heptanonitrile to generate the target compound, and then the target product is obtained by vacuum distillation. The method can avoid the use of extremely active, flammable and explosive diketene reagents, avoid harsh reaction conditions, unsafe operation and other problems, and can adapt to industrial production requirements. Not only the raw materials are simple and easy to obtain, but also the operation safety is greatly improved, and has great industrial application value.

The invention relates to a catalyst used for hydrogenation of oxalate for preparing ethylene glycol and a preparation method thereof. The catalyst comprises copper, an auxiliary agent and zirconia serving as active ingredients and is characterized in that: the auxiliary agent is one or more of Al2O3, SiO2, TiO2, BaO, La2O3, MnO and ZnO; the active ingredients account for 10 to 45 percent of the weight of the catalyst; the zirconia accounts for 1 to 85 percent of the weight of the catalyst; and the auxiliary agent accounts for 5 to 80 percent of the weight of the catalyst. By using a more stable chemical structure formed by hydroxy of zirconium sol, the copper and other auxiliary agents, the specific surface area and pore size distribution of the catalyst are improved, the copper has high dispersion degree, and the anti-sintering capacity of the copper catalyst is also enhanced at the same time. The catalyst can stably run for over 3,200 hours in a skill-up test in the hydrogenation ofthe oxalate for preparing 300ml of ethylene glycol; the average conversion rate of the oxalate is over 99.9 percent; and the average yield of the ethylene glycol reaches over 94 percent.

The invention discloses a method for preparing ghost crab sauce. By the aid of the method, problems that ghost crab sauce made of ghost crabs is a traditional condiment manufactured by coastal fishermen in the Beihai city, is manually manufactured by the fishermen and is not upgraded to reach the realm of an industrial product, quality standards and unified manufacturing technological requirements are deficient and accordingly the ghost crab sauce is externally impressed as a low-grade household condiment can be solved. The method includes technical measures of cooking wine preparing, cleaning, mashing and crushing, salting, fermenting, compounding and packaging. The method has the advantages that effective components of raw materials can be extracted by grain wine for cooking wine, taste of the ghost crab sauce can be conditioned by the effective components, cold nature of the ghost crab sauce can be inhibited, the problem of adverse impact of cold nature of existing ghost crab sauce on human bodies can be solved, and the shortcoming of abdominal pain and diarrhea of susceptive people due to the traditional ghost crab sauce can be overcome; the ghost crab sauce prepared by the aid of the method has unique flavor and tastes delicious, effects of helping digestion and losing weights can be realized, and industrial production requirements can be met by standard preparation processes.

The invention discloses a great-pressure difference manual sealing slide plate gate, which comprises a valve plate and a sealing ring, the valve plate is provided with triangular sealing surfaces on three surfaces, and is provided with a circular arc-shaped projection on the part in contact with a sealing gasket under a closed state, and the sealing ring is of a C-shaped structure; three surfaces of the sealing ring are respectively fixed on the front and back internal walls of a valve plate base and a central partition by a sealing ring-fixing plate, an L-shaped ash baffle is arranged on the upper part of the sealing ring-fixing plate, the sealing ring-fixing plate is arranged in a gap of the bottom of a taper hopper, the sealing gasket is arranged in a rectangular groove in the middle of a sealing gasket-fixing base, the sealing gasket is tightly pressed on the outside of the valve plate base by an L-shaped sealing gasket-fixing plate, a lead screw sleeve is fixed at the end of the valve plate, a lead screw is in threaded connection with the lead screw sleeve, and a bearing is arranged at the end of the lead screw. The great-pressure difference manual sealing slide plate gate has the advantages of good sealing property, little resistance, simple structure, low cost and good stability in operation.

The invention discloses a preparation method of Abiraterone. The preparation method includes the steps of allowing dehydroepiandrosterone to engage in etherification reaction with RX to generate 3beta-alkoxy dehydroepiandrosterone (II), namely intermediate (II); allowing the intermediate (II) to engage in Grignard reaction with 3-pyridine magnesium bromide to obtain 17-(3-pyridine)-17-hydroxy-androstane-5-ene-3beta-alkyl ether (III), namely intermediate (III); allowing the intermediate (III) to engage in elimination reaction with 17-position hydroxy to obtain 17-(3-pyridine)-androstane-5, 16-diene-3beta-alkyl ether (IV), namely intermediate (IV); allowing the intermediate (IV) to engage in deprotection reaction to obtain Abiraterone (I). The preparation method is simple in process; raw materials are easy to obtain; quality is controllable; the preparation method is suitable for industrial production.

The invention provides an electrolytic synthesis method and equipment of 3,6-dichloropicolinic acid with high electrolytic efficiency. The electrolytic synthesis method includes: taking 3,4,5,6-tetrachloropicolinic acid as the main electrolytic raw material, placing the electrolytic solution in an electrolytic cell for electrolysis, neutralizing after the reaction, cooling and crystallizing, filtering, and drying to obtain 3 , 6-dichloropicolinic acid, in which the cathode of the electrolytic cell is automatically roughened by the voltage-stabilized and current-controlled silicon-controlled periodic commutation power supply. The electrolytic synthesis equipment includes a power supply, a batching tank, and an electrolytic tank. The power supply is a voltage-stabilizing thyristor periodic commutation power supply. The power supply is connected to a current commutator, and the current commutator is provided with a program control unit ; The positive pole of the power supply is connected to the anode of the electrolyzer, and the negative pole of the power supply is connected to the cathode of the electrolyzer. The electrolytic synthesis equipment solves many defects in the current 3,6-D electrolytic synthesis process, and has great practical value and social and economic benefits.

The invention discloses a double-pipe type powder quantitative feeding device, which comprises: two sets of rotating drums with opposite directions and several sets of discharging turntables, which are horizontally arranged in parallel; The unloading turntables arranged crosswise on the two sets of rotating drums; the two sets of distributing silos whose upper part communicates with the uniform material silo, the bottom communicates with the screw conveyor, and the upper and lower parts are equipped with material level gauges; the two sets of turntables The cylinders are respectively fixed on the transmission shaft and the driven shaft. The front part of the transmission shaft is provided with a driving gear, and the front end of the driven shaft is provided with a driven gear. The driving gear and the driven gear are meshed. The upper part of the material silo and the upper part of the uniform material silo are provided with a feed pipe, and the distance between the walls in the left and right direction of the feed pipe is smaller than the horizontal distance between the centerlines of the two groups of drums. The present invention has the advantages of simple structure, low cost, It has the advantages of high control precision and good running stability.

The invention provides a novel mountain wild vegetables steam-boiling apparatus which is simple in structure and is convenient to operate. The novel mountain wild vegetables steam-boiling apparatus includes a barrel body which is characterized in that a sieve board having board holes is disposed inside the barrel body. A steam board is arranged above the sieve board. An opening A is formed at a position that the steam board is contacted with the barrel body. A steam tube is arranged under the steam board and is provided with a steam hole. One end of the steam tube is connected to a support column. A pedestal is arranged under the barrel body. A liquid collection box is arranged inside the pedestal. A liquid hole is formed between the barrel body and the pedestal. A filter screen is arranged in the liquid collection box and is connected to the pedestal through a fixing apparatus. By means of the technical scheme, the steam-boiling apparatus can ensure nutritional substances in steam-boiled mountain wild vegetables to be not lost and the mountain wild vegetables to be fresh, sweet and crispy. The steam-boiling apparatus can greatly enhance mouthfeel and appearance quality of the mountain wild vegetables, is simple in structure, is low in cost, is high in production efficiency and can adapt an industrialized production requirement.

This invention discloses a preparation method of spiced ghost crab bechamel. The pickled crab made from ghost crab is a traditional seasoning manufactured by the coastal fishermen manually in Beihai City, which does not realize the realm of industrial products without quality standard or uniform manufacture technology. Thus, it gives the outside world an impression as the low-level household seasoning. This invention comprises the technical measures of: preparing cooking wine, washing, smashing and stirring, salting, leavening, compounding and packaging. Anise, fennel, resurrection lily rhizome, amomum tsao-ko and interior eardamom are added to the ghost crab bechamel in this invention, which are prepared to cooking wine and then added into the ghost crab bechamel. Such raw materials can regulate the taste of the ghost crab bechamel, control the cold nature of the ghost crab and overcome the negative influence of the cold nature of ghost crab for the human body, improving the disadvantage of resulting in abdominal pain and diarrhea of the traditional ghost crab bechamel for the susceptive group. The ghost crab seasoning gotten from this invention has special flavour, delicious taste and helps digestion weight losing, whose normative preparation technology adapts the production requirements of industrialization.

The invention relates to a black polyester fiber. The components of the black polyester fiber include a semi-dull polyester slice and a black polyester masterbatch, wherein the weight ratio of the semi-dull polyester slice to the black polyester masterbatch is (80-75):(20-25); the components of the black polyester masterbatch include the semi-dull polyester slice, a black masterbatch and a lustre-enhancing agent, wherein the black masterbatch accounts for 1%-10% of the weight of the black polyester fiber, and the lustre-enhancing agent accounts for 1%-3% of the weight of the black polyester fiber. The preparation method comprises the following steps: (1) blending the semi-dull polyester slice, the black masterbatch and the lustre-enhancing agent, and preparing to obtain the black polyester masterbatch; (2) blending the black polyester masterbatch and the semi-dull polyester slice, and finally spinning to obtain the black polyester fiber. The preparation method disclosed by the invention has the advantages of simple process and low cost; the obtained black polyester fiber has the advantages of good lustrousness, high color saturation and brighter appearance of a made fabric and higher application value in a clothing industry.

The invention discloses a method for manufacturing a vacuum insulation panel core material with high performance and low cost. The method comprises the following steps of: pulping glass fiber cotton which is produced by a centrifuge method; diluting; screening; performing dehydration molding; performing pressure roller sizing; performing vacuum negative pressure dehydration; drying; cooling; and cutting. In the manufacturing method, the glass fiber cotton which is completely produced by the centrifuge method is used as a raw material of the vacuum insulation panel core material with high performance and low cost, the coefficient of thermal conductivity of the produced vacuum insulation panel core is between 0.003 and 0.008 W / m.k, and the coefficient of heat insulation is greatly improved;the thickness of the panel core material is between 0.5 and 30 mm, and the thickness is thinner; and the glass fiber cotton with the diameter of 3.5 to 5 mu m and the length of 5 to 20 mm has low cost and low overall manufacturing cost, and the overall cost of the vacuum insulation panel is lowered.

The invention relates to a double helix differential definite quantity conveyer system and a control method of the double helix differential definite quantity conveyer system. The technical scheme includes that the double helix differential definite quantity conveyer system is connected by a double helix conveyor and a double helix differential definite quantity control device. The double helix conveyer comprises a machine body, a feed inlet, a discharge outlet, a main helix, a main helix motor, an auxiliary helix and an auxiliary helix motor. The double helix differential definite quantity control device comprises a main control unit, a weighing sensor, a man-machine interaction device, a switching value input and output module, a main helix driver and an auxiliary helix driver. The control method of the double helix differential definite quantity conveyer system comprises the following steps: digital filtering and feature analysis are conducted on collected weight value, weight information and impact information are respectively extracted, impact value introduced in the descending process of scattered materials in the weight information is filtered, and then estimated stagnating hollow weight value is added to the weight information, and estimated stagnating hollow weight value compensation is conducted. The double helix differential definite quantity conveyer system and the control method of the double helix differential definite quantity conveyer system have the advantages of effectively improving production efficiency, lowering production cost, and meeting accuracy requirements of automatic weighing of the scattered materials.

The invention discloses a preparation method of abiraterone acetate (I). The preparation method comprises the following steps of: based on dehydroepiandrosterone acetate as a raw material, performing addition reaction with 3-pyridyllithium to generate 17-(3-pyridyl)-17-hydroxy-androst-5-ene-3 beta-ol acetate (II); performing elimination reaction on the intermediate (II) under the action of a Burgess reagent to get abiraterone acetate (I). The preparation method has the advantages of simple process, easiness in obtainment of raw materials and controllable quality, and is suitable for industrial production.

The invention relates to polyester film base rubber matrix used in belt drive unit that is made up from natural rubber 60-80 portions, tetraphene rubber 1500 20-40 portions, carbon white 10-20 portions, half active black 15-30 portions, high abrasion resistant carbon black 30-50 portions, zinc oxide 2-8 portions, stearic acid 1-3 portions, anti-aging agent A 0.5-2 portins, anti-aging D 0.5-2 portions, adhesive RS 2-5 portions, adhesive A 1-3 portions, sulfur 1-4 portions, accelerant TT 0.01-0.05 portion, accelerant M 0.2-0.6 portion, accelerant DM 1-3 portions, and 203 tie resin 2-5 portions. The advantage of the invention is that it could adhere strongly because of the stickiness of the rubber on the surface of the film base. The improvement would sharply increase the working efficiency.

The invention discloses a traditional Chinese medicine preparation for treating rheumatoid arthritis and rheumatalgia and a preparation method and application of the traditional Chinese medicine preparation. The traditional Chinese medicine preparation adopts bulk drugs, according to a ratio, 1-3 parts of rhizoma corydalis, 1-3 parts of caulis sinomenii, 1-3 parts of erythrina barks and 1-3 parts of wenyujin rhizoma concisum. The adopted preparation method is an alcohol extraction and percoaltion method. The traditional Chinese medicine preparation is used for clearing heat, resisting inflammation and easing pain, and has the efficacy of clearing heat and detoxifying the body, resisting inflammation and easing pain.

The invention discloses a dustproof modifier used for glass baking varnish material, which is characterized by comprising an anionic surfactant, a nonionic surfactant and ammonium chloride. The invention also provides a glass baking varnish paint containing the dustproof modifier and an application thereof. The provided dustproof modifier is added in the conventional baking varnish material to provide the dustproof performance for the baked baking varnish glass. Compared with a method that a conventional method is employed for baking, and then regular cleaning and maintenance can be carried out by a cleaning solution, the dustproof modifier enables in-situ composite to the glass baking varnish raw materials, through cooperation of the components, the baking varnish surface has good self-dustproof performance, and the dustproof modifier provides brand new thinking for dust prevention of the baking varnish glass.

The invention relates to a synthetic method of sandalwood style spice and the sandalwood style spice, namely E-alpha-santalal, prepared according to the synthetic method. The invention further relates to application of the sandalwood style spice in incense products, perfumes, soap and cosmetics. The synthetic method of the sandalwood style spice has the advantages of being simple in steps and low in requirements for reaction conditions, raw materials are easy to obtain, and therefore the synthetic method meets requirements of industrial production.

The invention relates to the field of organic chemistry, and particularly relates to the organic pharmaceutical field. More specifically, the invention relates to a method for synthesizing an intermediate through statins, aiming at overcoming the defects of high cost, complex process equipment, many by-products and the like in the prior art. According to the new method, 3-tertiary butyl dimethyl silica glutaric acid-1-mandelic acid ester is prepared by a one-step method, and cooperated with recrystallization, the intermediate synthesized by the statins is simply obtained at low cost, so that the method is suitable for industrialized production.