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59results about How to "Feeding is simple" patented technology
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Regenerant for regenerated rubber and preparation method of regenerant
ActiveCN104194036AWell mixedAvoid the problem of direct mixing and not easy to dispersePlastic recyclingPolymer scienceViscosity
The invention provides a regenerant for regenerated rubber and a preparation method of the regenerant. The regenerant for the regenerated rubber comprises an activator, a softener, a tackifier and a fortifier which are uniformly mixed, wherein the softener comprises a main softener and an auxiliary softener, the viscosity of the main softener is 20-40mPa.s and the main softener accounts for 24-70% by mass of the whole system. The regenerant for the regenerated rubber has the advantages that (1) various regenerating auxiliaries are fused together by virtue of processes of heating, stirring and the like, and materials are convenient and simple to input; (2) the regenerating auxiliaries are not heated again, so that the regenerant is safe to operate; (3) the solid regenerating auxiliaries are not crushed and stirred, so that materials are easy to input; (4) the defect that conventional activator and softener are sticky and adverse to automatically weigh, convey and uniform spray is overcome; (5) main and auxiliary softeners are matched in use, so that the regenerant is convenient to use and excellent in regenerating effect; and (6) the regenerant is low in viscosity, single in character, flowable at normal temperature and easy to store, package and convey.
Owner:CHINA RUBBER RESOURCE REGENERATION QINGDAO
Preparation methods of Atazanavir and sulfate of Atazanavir
The invention discloses preparation methods of Atazanavir and a sulfate of the Atazanavir. The preparation method of the Atazanavir comprises the following steps: 1) adding (a) and (b) into an alcohol solvent and reacting so as to obtain an intermediate shown in a formula (I); 2) dissolving the intermediate shown in the formula (I) in an fatty alcohol solvent, cooling, dropwise adding an alcoholic solution of hydrogen chloride and reacting so as to obtain an intermediate shown in a formula (II); 3) dissolving (c) in dichloromethane, cooling, reacting by adding a dehydrating agent, adding an organic alkali and the intermediate shown in the formula (II) and reacting so as to obtain an Atazanavir monomer shown in a formula (III). The Atazanavir monomer can be prepared into an Atazanavir sulfate shown in a formula (IV) according to a conventional method. The Atazanavir monomer has the advantages of high yield, less relevant impurity content, low preparation cost and the like, and can be used for preparing the Atazanavir sulfate with high purity and high yield. The structures of the Atazanavir monomer and the Atazanavir sulfate are as shown in the specification.
Owner:SHANGHAI VIWIT PHARMA CO LTD
Compound feed for megalobrama amblycephala and preparation method of compound feed
InactiveCN104905072ANutritional balanceImprove digestion utilizationAnimal feeding stuffBiotechnologyAnimal science
The invention discloses a compound feed for megalobrama amblycephala. The compound feed comprises the following raw materials by weight percent: 18-20% of flour, 9-26% of soybean meal, 6-15% of cottonseed meal, 10-28% of rapeseed meal, 2 -4% of corn gluten meal, 2-8% of fish meal, 2-6% of shrimp meal, 2-7% of prickly ash seed, 5-15% of rice bran, 2-3% of soybean oil, 1-3% of bentonite, 1.5-2% of calcium dihydrogenphosphate, 0.05-0.2% of mildew preventive, 0.05-0.3% of lysine, 0.05-0.3% of choline, 0.05-0.3% of honeysuckle powder, 0.2-0.5% of vitamin premix and 0.5-1.0% of mineral premix. The above raw materials are mixed, are subjected to the concoction, extrusion expansion granulation, drying and other steps, and then are cooled to the room temperature so as to obtain the compound feed. According to the compound feed, a plurality of protein raw materials and amino acids are selected to realize the nutritional coordination, the expansion process is used for increasing the curing degree of the feed, eliminating anti-nutritional factors, and greatly improving the feed utilization efficiency and water resistance; the honeysuckle powder is added to improve the immunity of megalobrama amblycephala and effectively reduce the mortality.
Owner:南通巴大饲料有限公司
Preparation method of lithium hexafluorophosphate
InactiveCN108640129AReduce acidityReduce moistureLithium hexafluorophosphateLithium hexafluorophosphateLithium fluoride
The invention discloses a preparation method of lithium hexafluorophosphate. The preparation method comprises the following steps: (1) introducing phosphorus pentafluoride gas into a reaction kettle filled with lithium fluoride and hydrogen fluoride liquid and carrying out reaction for 1 to 2 hours to obtain a lithium hexafluorophosphate solution; (2) realizing partial crystallisation under a stirring condition; (3) carrying out drying. The preparation method of lithium hexafluorophosphate disclosed by the invention has the advantages that the operation is convenient, the lithium hexafluorophosphate which is obtained by carrying out partial crystallisation is directly formed into uniform particles, so that the steps of multiple drying and pulverization are eliminated, and the partial crystallisation time is shortened.
Owner:MORITA NEW ENERGY MATERIALS ZHANGJIAGANG CO LTD
Solvent-free tackifying chain extender as well as preparation method and application thereof
ActiveCN111499789AHigh molecular weightModerate densityHydrocarbon polymer adhesivesPolyesterSolvent free
The invention provides a solvent-free tackifying chain extender as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing an aromatic vinylmonomer, an acrylate monomer, an initiator and water; heating for polymerization, and granulating through double-screw secondary reaction to prepare the solvent-free tackifying chain extender. According to the invention, the epoxy functionalized chain extender disclosed by the invention can be applied to recycled polyester structure materials, and can be applied to repair and growth of bio-based and biodegradable plastic molecular chains with polyester structures. The invention has the advantages of no need of solvents in the process route, low investment, accessible equipment, low process route discharge, simple process control, stable composition and simple product use, and can be widely used in the fields of medical treatment, packaging, household appliances, automobiles, aviation and the like. Wide application prospects and industrial values are realized.
Owner:FINE BLEND POLYMER SHANGHAI CO LTD
Preparation method of 2-methyl-1-(4-substituted phenyl)-2-morpholinyl-1-acetone
PendingCN112552259AReduce operational riskPromotes the rate of the ring-opening reactionOrganic chemistryPtru catalystMorpholine
The invention relates to a preparation method of 2-methyl-1-(4-substituted phenyl)-2-morpholinyl-1-acetone. The preparation method comprises two steps of epoxidation reaction and morpholine substitution reaction, wherein in the morpholine substitution reaction, a proper amount of an auxiliary agent is added, and the auxiliary agent is selected from at least one of water, a strong-acid weak-alkalisaline solution and a strong-alkali weak-acid saline solution, so that the ring opening rate and the ring opening selectivity in the morpholine substitution reaction process can be obviously improved,and the overall reaction rate and yield are further improved, according to the method, the problem that subsequent catalysts are difficult to filter, recycle and purify due to the fact that catalystssuch as carclazyte need to be added in the traditional process is solved, the high-purity 2-methyl-1-(4-substituted phenyl)-2-morpholinyl-1-acetone can be obtained more easily, the process cost and the aftertreatment operation risk are reduced, and the economic benefit is improved.
Owner:湖南久日新材料有限公司
A kind of preparation method of polyamide 6 thermoplastic elastomer resin
The invention relates to a preparation method of a block copolymer thermoplastic elastomer resin containing a hard section composed of polyamide 6 and a soft section composed of polyether by a hydrolysis ring-opening one-step process, and a polyamide 6 thermoplastic elastomer resin prepared by the method. The method has the advantages of simple technique, easy feeding, controllable reaction, low raw material cost and high production efficiency. The obtained polyamide 6 elastomer resin has the advantages of higher molecular weight, favorable elasticity, high transparency, adjustable Shore hardness, high wear resistance, favorable silencing effect and small damping decrement.
Owner:沧州旭阳化工有限公司 +1
Full-intelligent executing manipulator for integrated fish pond feeding machine
ActiveCN109699554ARealize the function of automatic feedingHigh degree of intelligenceClimate change adaptationPisciculture and aquariaEngineeringWorkload
Owner:江苏苋活生鲜食品有限公司
360-degree bait casting machine
PendingCN107333694AEasy to transport baitFeeding is simpleClimate change adaptationPisciculture and aquariaElectrical and Electronics engineeringCasting
The invention discloses a 360-degree bait casting machine. The 360-degree bait casting machine comprises a storage silo (1) arranged ashore, buoyancy equipment arranged on the water surface, spring auger equipment arranged above the buoyancy equipment and material casting equipment positioned below the spring auger equipment, wherein the spring auger equipment comprises an auger motor (2) and a spring auger stock line (3); the spring auger stock line (3) comprises an outer tube and a spring positioned in the outer tube and being in transmission connection with the auger motor (2); and the inlet end of the spring auger stock line (3) communicates with a material in the storage silo (1), and the outlet end of the spring auger stock line (3) is positioned above the material casting equipment. The 360-degree bait casting machine is simple in bait conveying and can perform 360-degree bait casting.
Owner:王俊峰
Automatic radiochemical separation system used for measuring fuel consumption of spent fuel element
ActiveCN104361917AReduce radiation doseSimple structureNuclear energy generationNuclear monitoringPeristaltic pumpControl system
The invention belongs to the technical field of fuel consumption measurement of a spent fuel element in nuclear fuel circulation and discloses an automatic radiochemical separation system used for measuring fuel consumption of a spent fuel element. The system is composed of a dissolving unit, a material blending unit, a separation unit and a control system, wherein the dissolving unit, the material blending unit and the separation unit are connected with one another by a material liquid conveying pipe; the dissolving unit comprises a dissolving device; the dissolving device is of a double-layered three-neck round bottle structure; the separation unit mainly comprises a Mo separation column, a Nd separation column, a Pu separation column, a U separation column and Cs detection units; and the material blending unit comprises a concentration diluting device for diluting concentration, an isotope diluting device for diluting isotopes, a Pu material blending tank, a U material blending tank, a Nd material blending tank, a solenoid valve and a peristaltic pump for supplying power to material liquid. The system has the characteristics that monitoring body nuclides can be separated simultaneously, the separation time is short, the separation system is simple and the automatic separation can be realized.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY
Method for preparing Moxifloxacin impurity E
ActiveCN104945398AEasy post-processingLow reaction temperatureOrganic chemistrySodium bicarbonateMoxifloxacin hydrochloride
The invention discloses a method for preparing Moxifloxacin impurity E. The method specifically comprises the steps of alkalizing Moxifloxacin hydrochloride with a sodium bicarbonate solution so as to obtain Moxifloxacin free alkali, carrying out demethylation reaction on the Moxifloxacin free alkali, and finally carrying out recrystallization refining, thereby obtaining the high-purity Moxifloxacin impurity E. The method has the characteristics that the synthesis route is short, the operation is simple, the obtained impurity product is relatively high in purity and can be applied to reference research, and the like.
Owner:NANJING YOUKE BIOLOGICAL MEDICAL RES +2
Pretreatment device for printing and dyeing production line and printing and dyeing production
ActiveCN106319802ASimple and easy to implementConvenient feedingTextile treatment containersSucessive textile treatmentsDyeingEngineering
A pretreatment device for a printing and dyeing production line is used for performing desizing, refining and bleaching and comprises a pool, fabric stretching rollers and a power device, wherein the pool is made of an insulating material, a NaCl solution is injected into the pool, two fabric stretching rollers are arranged in the pool, fabric to be desized, refined and bleached is stretched between the two fabric stretching rollers, the fabric stretching rollers are immersed in the NaCl solution, surfaces of the fabric stretching rollers are made of an electrochemically inert electric conductive material, and the two fabric stretching rollers are connected with a cathode and an anode of a power supply respectively; the power device is in transmission connection with the fabric stretching rollers and used for driving the fabric stretching rollers to rotate. The NaCl solution is electrolyzed through the anode and the cathode, NaOH and oxide are generated, and accordingly, charging and production processes are simplified. Meanwhile, biochemical indexes of sewage produced by the production line in the overall operation process are remarkably lower than those of sewage produced by an existing production line, so that the sewage treatment cost is greatly reduced.
Owner:FUZHOU DESHENG KNITTING & DYEING CO LTD
Method for preparing 1,1,3-trichloroacetone
ActiveCN108727173AHigh purityHigh yieldOrganic compound preparationCarbonyl compound separation/purificationOrganic synthesisTrichloroisocyanuric acid
The invention relates to the field of organic synthesis and discloses a method for preparing 1,1,3-trichloroacetone. The method comprises: in the presence of an acidic catalyst, contacting a raw material containing 1,1-dichloroacetone and / or 1,3-dichloroacetone with symclosene for reaction. The method for preparing 1,1,3-trichloroacetone provided by the invention can achieve the purpose of obtaining 1,1,3-trichloroacetone with high purity and high yield in a short period in a pilot production process or even an industrial production process.
Owner:江西天新药业股份有限公司
Tea leaf rolling machine and continuous tea leaf rolling unit
ActiveCN113080274AAvoid Bad WiringImprove rolling efficiencyPre-extraction tea treatmentPhysicsEngineering
A tea rolling machine comprises a rack, a rolling disc, a rolling barrel, a rolling barrel cover and a pressurizing part. The rolling disc and the rolling barrel are both arranged on the rack, the rolling disc is connected with a rolling disc driving part used for driving the rolling disc to do planar motion in the horizontal direction, and the rolling barrel is statically arranged and is always located above the rolling disc; the rolling barrel cover is arranged at the lower end of the pressurizing part; the pressurizing part is used for outputting motion and controlling the rolling barrel cover to move in the vertical direction, and the motion trail of the rolling barrel cover extends into the rolling barrel. According to the invention, separation of horizontal movement and vertical movement is realized through rotation of the kneading disc, so that the kneading barrel is arranged in a static manner, movement positioning of the kneading barrel is avoided, and the risk of poor wiring of various electronic components such as a sensor and a controller caused by movement of the kneading barrel is avoided. Meanwhile, feeding of the rolling barrel is simpler and more efficient, and the tea rolling efficiency can be improved.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Preparation method and application of monomer-residue-free high-activity tackifying chain extender
PendingCN113943387ALow monomer residueImprove thermal stabilityPlastic recyclingPolyesterPolymer science
The invention provides a preparation method and application of a monomer-residue-free high-activity tackifying chain extender. The preparation method comprises the following steps: mixing an aromatic vinyl monomer, an acrylate monomer, an initiator and a solvent or water, carrying out heating for polymerization, and carrying out double-screw secondary reaction granulation to prepare the monomer-residue-free tackifying chain extender. The epoxy functionalized chain extender disclosed by the invention can be applied to recycled polyester structure materials, and can be applied to repair and growth of bio-based biodegradable plastic molecular chains with polyester structures. The preparation method is simple in process control and low in investment, and the produced monomer-residue-free high-activity tackifying chain extender is stable in composition, simple to use and widely applicable to the fields of medical treatment, packaging, household appliances, automobiles and the like. The method has very good application prospects and industrial values.
Owner:FINE BLEND POLYMER SHANGHAI CO LTD
Method for preparing Ritonavir as anti-AIDS drug
The invention relates to a method for preparing Ritonavir applied to the technical field of pharmaceutical synthesis. According to the method, under the conditions of organic alkali and an organic solvent, HATU is used as a condensing agent, N-[2-Isopropylthiazol-4-ylmethyl(methyl)carbamoyl]-L-valine and (2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-1,6-diphenyl-3-hydroxyhexane are subjected to an acidamide reaction, and then a certain post-treatment is performed, so that the Ritonavir is obtained. According to the method disclosed by the invention, the synthesis yield of the Ritonavir is increased, the purity is high, and the cost of raw materials is effectively reduced. Besides, the reaction time is short, the feed is simple, nitrogen protection is not needed, and feeding temperature needs to be appropriately controlled, so that by-products of HATU can be easy to wash away, the preparation time is greatly shortened, the working efficiency is improved, and the method is suitable for industrial production.
Owner:NORTHEAST PHARMA GRP
Automated Radiochemical Separation System for Burnup Measurement of Spent Fuel Elements
ActiveCN104361917BReduce radiation doseSimple structureNuclear energy generationNuclear monitoringPeristaltic pumpSolenoid valve
Owner:CHINA INSTITUTE OF ATOMIC ENERGY
Executing mechanical arm used for complete intelligent fishpond feeding all-in-one machine
InactiveCN106035180ARealize the function of chargingTo achieve the effect of shrinking the wire ropeClimate change adaptationPisciculture and aquariaThree degrees of freedomEngineering
The invention relates to an executing mechanical arm used for a complete intelligent fishpond feeding all-in-one machine. The executing mechanical arm includes a three-degree-of-freedom parallel mechanism and a feeding device. The three-degree-of-freedom parallel mechanism is disposed exactly below the feeding device and the upper end of the three-degree-of-freedom parallel mechanism is connected with the feeding device. The executing mechanical arm has functions of direction and angle adjustment and feed loading and delivery, so that a function of automatic feeding in fishery breeding is realized. Besides, the executing mechanical arm is high in intelligent degree, flexible and convenient for direction and angle adjustment, high in feeding speed and long in feeding distance, and problems of large working load, large risks, low efficiency and the like of prior manual feeding realized by workers riding boats are solved.
Owner:东营尚牧农业科技有限公司
Double-color rubber oil seal mold
InactiveCN112092269APrevent overflowAvoid mutual interferenceDomestic articlesRubber materialPolymer science
The invention discloses a double-color rubber oil seal mold. The double-color rubber oil seal mold comprises a pressure injection mold, an upper mold, a middle mold, a lower mold and a mold core, wherein the upper mold is located below the pressure injection mold; the middle mold and the mold core are arranged between the upper mold and the lower mold; a first material cavity and a second materialcavity which are sunken downwards are formed in the top end of the upper mold; the bottom structure of the pressure injection mold is matched with the first material cavity and the second material cavity; the middle mold, the lower mold and the mold core are matched to form a concave cavity; edge tearing grooves are formed in the joint of the lower mold and the middle mold and the joint of the lower mold and the mold core; an annular boss is arranged at the bottom of the upper mold; the annular boss extends into the concave cavity of the lower mold to form a first cavity used for containing an inner sealing body together with the side surface of the mold core; and the annular boss extends into the concave cavity of the lower mold to form a second cavity for accommodating an outer sealingbody together with the side surface of the middle mold. The invention belongs to the technical field of oil seal molds, and particularly relates to the double-color rubber oil seal mold capable of simultaneously vulcanizing and molding rubber materials with two different colors in the same oil seal product in the mold.
Owner:YIDA AUTOMOTIVE SEALS ARTICLE
Full-intelligent fishpond feed putting integrated machine
ActiveCN106069964ARealize the function of chargingTo achieve the effect of shrinking the wire ropeClimate change adaptationPisciculture and aquariaThree degrees of freedomEngineering
The invention relates to a full-intelligent fishpond feed putting integrated machine. The full-intelligent fishpond feed putting integrated machine comprises a land walking device, water surface walking devices, a lifting device, a three-degree-of-freedom parallel mechanism and a feed putting device. The water surface walking devices are located on the left side and the right side of the land walking device respectively and are connected with the land walking device, the lifting device is located over the land walking device, the lower end of the lifting device is connected with the upper end of the land walking device, the three-degree-of-freedom parallel mechanism is located between the lifting device and the feed putting device, the lower end of the three-degree-of-freedom parallel mechanism is connected with the lifting device, and the upper end of the three-degree-of-freedom parallel mechanism is connected with the feed putting device. The full-intelligent fishpond feed putting integrated machine has the land walking, water surface walking, orientation angle adjusting and feed charging and putting functions, and the automatic feed putting function of fishery breeding can be achieved; besides, the full-intelligent fishpond feed putting integrated machine is high in intelligence degree, orientation angle adjustment is convenient and flexible, the feed putting speed is high, the feed putting distance is large, and the problems that the workload of existing manual feed putting by a boat is large, high dangerousness exists, and efficiency is low are solved.
Owner:ANHUI YUNFENG AGRI DEVS CO LTD
Preparation method of resorcinol formaldehyde resin for modified rubber adhesive
The invention discloses a preparation method of a resorcinol formaldehyde resin for a modified rubber adhesive, which comprises the following steps: a) adding p-alkylphenol and polyformaldehyde into an organic solvent, and stirring uniformly at 40-70 DEG C; b) dropwisely adding an alkali solution, and keeping the temperature for 1-4 hours; c) heating the product obtained in the step b) to 80-100 DEG C, keeping the temperature for 2-4 hours, and cooling to 90 DEG C below; d) adding an acidity regulator into the product obtained in the step c), stirring, adding resorcinol, heating to 100-150 DEG C, and reacting under reflux for 2-5 hours; and e) removing the organic solvent from the product obtained in the step b), and starting granulation when the softening point of the product is 99-109 DEG C to obtain the granular resorcinol formaldehyde resin. The method uses polyformaldehyde instead of the formalin, and has the advantages of simple material feeding and lower risk.
Owner:SHANGHAI LUCKY BIOLOGICAL & CHEM TECH +1
Printing and dyeing production technology
ActiveCN106436270AMeet desizingSatisfied with refinementFibre treatmentDry-cleaning apparatus for textilesProduction lineElectrolysis
A printing and dyeing production technology comprises steps of singeing, pretreatment, mercerization, dyeing and printing as well as finishing, wherein pretreatment comprises the following steps: preparation of a NaCl solution, fabric feeding, electrolysis of the NaCl solution, fabric desizing, refining and bleaching, fabric rinsing and fabric drying. By means of the production technology, the NaCl solution is electrolyzed by negative and positive electrodes, NaOH and various oxides required for procedures of fabric desizing, refining and bleaching are generated, and fabric is desized, refined and bleached integrally. The requirements of fabric desizing, refining and bleaching are met while feeding and procedures of the production technology are simplified. Meanwhile, various biochemical indexes of sewage produced in the whole implementation process of the production technology are remarkably lower than those of sewage produced through an existing production line, and the sewage treatment cost is greatly reduced.
Owner:FUZHOU DESHENG KNITTING & DYEING CO LTD
A kind of tea kneading machine and tea continuous kneading unit
ActiveCN113080274BAvoid motion positioningFeeding is simplePre-extraction tea treatmentEngineeringProcess engineering
A tea kneading machine, comprising: a frame, a kneading plate, a kneading bucket, a kneading bucket cover and a pressurizing part; For the moving kneading plate drive part, the kneading barrel is set statically and always above the kneading plate; the pressurizing part is set on the frame, and the kneading barrel cover is set at the lower end of the pressing part; the pressurizing part is used for motion output and controls the kneading barrel cover on the It moves vertically, and the movement track of the kneading bucket cover stretches into the kneading bucket. In the present invention, the separation of horizontal movement and vertical movement is achieved through the rotation of the kneading plate, so that the kneading bucket is set statically, avoiding the movement positioning of the kneading bucket, and avoiding various electronic components such as sensors and controls caused by the kneading bucket movement. Risk of bad wiring of the device. At the same time, it also makes the feeding of the kneading barrel simpler and more efficient, which is conducive to improving the tea rolling efficiency.
Owner:ANHUI AGRICULTURAL UNIVERSITY
A kind of preparation method of carfilzomib
Owner:河南海汇药物研究有限公司
Preparation method of apple vinegar and product thereof
PendingCN113943629AFeeding is simpleGood repeatabilityMicroorganism based processesVinegar preparationBiotechnologyLactic acid bacterium
The invention provides a preparation method of apple vinegar and a product thereof, and the preparation method of the apple vinegar comprises the following steps: mixing apple raw material juice with water, filtering, and sterilizing to obtain a diluent; respectively carrying out seed culture on strains of saccharomycetes, acetic bacteria and lactic acid bacteria, and mixing to obtain a production leavening agent; and inoculating the obtained production leavening agent into the diluent, and fermenting to obtain the apple vinegar. The preparation method of the apple vinegar is simple in formula, high in strain adaptability, high in fermentation speed, unique in fermentation flavor, high in process operability and suitable for large-scale factory production, and the product obtained through fermentation can be directly applied after sterilization or applied to other products as an ingredient. The invention further provides a beverage containing the apple vinegar. The beverage containing the apple vinegar is free of an exogenous stabilizer, low in slurry viscosity, good in fluidity and capable of keeping a stable system, the beverage containing the apple vinegar has unique flavor, which is sour, sweet and delicious.
Owner:JIANGSU WECARE BIOTECHNOLOGY CO LTD
Feeding device for spray type refractory material spray coating machine
The invention relates to a feeding device, in particular to a feeding device for a spray type refractory material spray coating machine. The feeding device comprises an air supply mechanism used for providing high-pressure air, and the air supply mechanism is connected with a material supply mechanism used for supplying materials. The air supply mechanism comprises an air blower used for generating high-pressure air, and the air blower is connected with a blast pipe used for conveying out the high-pressure air. The material supply mechanism comprises a hopper used for containing materials, the bottom of the hopper is connected with a material supply shell used for providing a spraying environment, one end of the material supply shell is connected with an air inlet pipe used for introducing the high-pressure air, and the other end of the material supply shell is connected with a material supply connecting pipe used for outputting materials. The feeding device for the spray type refractory material spray coating machine mainly solves the problem that due to the fact that the size difference of refractory materials sprayed by an existing spray coating machine is too large, the spray coating speed and the spray coating effect of the spray coating machine are affected.
Owner:张建新
An intelligent robot for lake sewage purification treatment
ActiveCN106003080BRealize the function of cleaning and automatic feedingHigh degree of intelligenceProgramme-controlled manipulatorWater/sewage treatmentLand TravelWater resources
Owner:湖州欧亚水处理科技有限公司
Fishery water surface floating feeding device
PendingCN108308082AIncrease profitAvoid pollutionClimate change adaptationPisciculture and aquariaEconomic benefitsDrive motor
The invention discloses a fishery water surface floating feeding device which comprises a floating cylinder, wherein the upper end of the floating cylinder is sleeved by a driving motor; the driving motor is connected with a vertically arranged rotating shaft; the upper end of the rotating shaft is sleeved by a feeding hopper; the feeding hopper is of a columnar hollow structure; the feeding hopper is provided with a plurality of feeding tubes; a discharge tube is arranged above the feeding hopper; the upper end of the discharge tube is sleeved by a containing cylinder; a plurality of reinforcing support rods are arranged between the containing cylinder and a floating cylinder. Due to adoption of the floating cylinder which can float on a water surface, the device is capable of achieving moveable feeding, is large and uniform in feeding area, high in feed utilization rate, in addition simple in structure, low in manufacturing cost and easy to achieve, the anoxic phenomenon caused by partial dense feeding can be avoided, feed inside the containing cylinder can be thrown smoothly from the feeding hopper under the action of centrifugal force generated when the motor is rotated, waterpollution caused by crushed feed can be avoided, and the economic benefits of aquaculture can be increased.
Owner:广西普庆农业科技有限公司
Productive process for Rufloxaxin Hydrochloride raw material
The production process of raw material medicine of rufluoxin hydrochloride is an improvement on oil technological process, and is aimed at overcome defects of old technological process whose production yield is low, cost is high and by-product can pollute environment. It mainly improves second step and sixth step of old technological process, in second step, in the reaction container the ethyl alcohol, water ammonium chloride are added, iron powder is added while stirring, the dilute hydrochloric acid is slowly added, heated to reflux state, B is dropped in slowly, pH value is retained to 5-6, reacted for 1 hr, then TLC is ued to test reaction end point; and in sixth step, in reaction container the F, boron trifluoride etherate and acetone are added, heated to 58-63 deg.C and reflux reaction is made for 3-3.5 hr. Said invention can reduce production cost and raise product yield.
Owner:WUHAN BINHU DOUBLE CRANE PHARMA
A kind of preparation method of resorcinol formaldehyde resin for alkylphenol modified rubber adhesive
InactiveCN103936951BFeeding is simpleSimple processAldehyde/ketone condensation polymer adhesivesOrganic solventAdhesive
The invention discloses a preparation method of a resorcinol formaldehyde resin for an alkylphenol modified rubber adhesive, which comprises the following steps: a) adding alkylphenol and polyformaldehyde into an organic solvent, and stirring uniformly at 40-70 DEG C; b) dropwisely adding an alkali solution, and keeping the temperature for 1-4 hours; c) heating the product obtained in the step b) to 80-100 DEG C, keeping the temperature for 2-4 hours, and cooling to 90 DEG C below; d) adding oxalic acid into the product obtained in the step c), stirring, adding resorcinol, heating to 100-150 DEG C, and reacting under reflux for 2-5 hours; and e) removing the organic solvent from the product obtained in the step b), and starting granulation when the softening point of the product is 99-109 DEG C to obtain the granular resorcinol formaldehyde resin. The method uses polyformaldehyde instead of the formalin, and has the advantages of simple material feeding and lower risk.
Owner:SHANGHAI LUCKY BIOLOGICAL & CHEM TECH +1
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