61results about How to "Suitable for small scale production" patented technology

The invention discloses a preparation method and application of a perovskite type composite oxide catalyst. The perovskite type composite oxide catalyst is an A-position substituted perovskite type composite oxide. The structural formula of the catalyst is A1-xA'xBO3, wherein x is larger than 0 and smaller than 1; A is La or Nd element; the A'-position substitution ion is one of Ca, Sr, Ba, Ce and the like; and the B-position ion is one of Mn, Co, Ni, Fe and the like. The preparation method comprises the following steps of: according to a chemical metering ratio, weighing a water-soluble salt which contains the A-position, A'-position and B-position elements; mixing the salt and deionized water to obtain 5 to 20 percent salt solution; adding the solution into a beaker; adding activated carbon of which the mass is 0.1 to 1.5 times of the salt into the solution; completely soaking the activated carbon and standing; heating and stirring the mixture, continuously heating until the water content is completely evaporated, wherein the co-crystallized solid mixture is uniformly carried on the activated carbon, and after drying the mixture, grinding the mixture into powder; and sintering the powder in a muffle furnace, cooling the sintered powder with the furnace to room temperature, and grinding the cooled powder to obtain the powder of the perovskite type composite oxide mixed catalyst. The preparation method is suitable for production; and the electrode activity of the perovskite type catalyst can be greatly improved in a zinc air cell structure.

The invention relates to a normal temperature enrichment and sampling method for xenon in air, and an apparatus thereof. According to the present invention, a hollow fiber semi-permeable membrane group is adopted as an air pretreatment apparatus; a four-stage adsorption column is adopted to enrich and concentrate the xenon in the air step by step, wherein the first-stage adsorption column adopts two sets of parallel structures, the two sets of the parallel structures alternatively work, such that continuous and uninterrupted sampling is realized; an adsorbent of activated carbon is adopted. With the present invention, the apparatus of the present invention has characteristics of rational design, simple structure and convenient operation; the difficulty of impurity removing in the subsequent concentration process is reduced; the apparatus is applicable for long-termly monitoring the atmospheric environment; the sampled sample has strong representativeness, and no time empty window is generated; the method and the apparatus can be applicable for sampling the noble gas xenon in the air.

The invention provides a method for the cage propagation of Portunus trituberculatus Miers in a coastal mudflat pond, which is characterized in that: selecting and domesticating parent crabs; selecting egg-carrying crabs and producing juveniles; and breeding juvenile crabs, wherein the whole juvenile crab breeding process is performed in natural ecological environment in the coastal mudflat pond. The invention also provides breeding cages and accessory facilities which are used in the method, which comprise temporary parent crab breeding cages, breeding cages and juvenile attaching bases. In the cage propagation in the coastal mudflat ponds of the invention, the parent crabs are gown in the temporary breeding cages, the juveniles are distributed in the breeding cages and the juveniles are bred in the cages; all facilities are arranged in one pond, so the operation is convenient; being bred in the outdoor coastal mudflat pond, the Portunus trituberculatus Mier juveniles can well adapt to the outside environment; the survival rate is high; the juveniles production is consistent; and the drawback of low adaptability to outside environment of juvenile crabs bred in greenhouses is overcome.

The invention discloses an energy-saving and environment-friendly coal slime drying machine and a use method thereof. The energy-saving and environment-friendly coal slime drying machine comprises a roller arranged obliquely, and driving mechanisms and a limiting mechanism are arranged at the bottom end of the roller; an air inlet mechanism is arranged at a side end of the roller, and a feeding mechanism is fixed to the top of one end of the roller; a fixing disc is welded to one end of the inner wall of the roller, a drainage mechanism is rotatably arranged at the middle position of the fixing disc, the drainage mechanism comprises a drainage rod, a first limiting plate is arranged at one end of the drainage rod, and a second limiting plate is arranged at the other end of the drainage rod; an air outlet pipe connected to tail gas treatment equipment is arranged at the side end of the second limiting plate; and discharging mechanisms distributed parallelly are arranged at the bottom ofthe roller, and the discharging mechanisms are arranged right below drainage paddles. According to the energy-saving and environment-friendly coal slime drying machine and the use method thereof, through the transmission of third gears and racks, and under the action of gravity and spiral material leading paddles, materials with small particle sizes can be obtained, and the purpose of screening in the roller is finally realized; and the structure is simple, the manufacturing cost is reduced, and the energy-saving and environment-friendly coal slime drying machine and the use method thereof are suitable for small-scale production and have good popularization practicability.

The invention relates to a method for preparing coaly activated carbon by using fly ash or slag ash. The method disclosed by the invention is implemented by carrying out floatation on solid carbon in fly ash or slag ash by using a method implemented by using a flotation reagent, and activating the solid carbon. According to the method disclosed by the invention, a high-technical-content activate carbon product can be obtained from fly ash and slag resources, the technological process is simple, the energy is saved, and the production cost is low. Meanwhile, low-quality fly ash and slag ash can become high-quality fly ash and slag ash products, so that fly ash or slag ash can be widely used as mineral admixture of cement, concrete and mortar, and high-quality raw materials of wall construction materials and silicate products.

The present invention discloses continuous production process and apparatus for grinding chip. The process includes the steps of: making grinding chip base with the base material, coating the surface of the grinding chip base with adhesive in a gluing drum, conveying the grinding chip base with adhesive below the abrasive bin so as to spray abrasive to the grinding chip base, and stoving in a stove to obtain grinding chip. The present invention has saving in material, no environmental pollution and other advantages.

The invention relates to a method for separating and purifying sec-o-glucosylhamaudol, which is characterized in that the method is a method for separating and purifying the sec-o-glucosylhamaudol from wind-resisting chromone extractive by using macroporous resin adsorption and gel column chromatography. The method uses the commercially available wind-resisting chromone extractive as raw materials, and comprises the steps of solvent backflow dissolving, resin adsorption, organic solvent extraction, gel column chromatography separation purification, recrystallization and the like. The method is characterized in that carbinol, ethanol, acetone or their mixed solvent serve as dissolving solvent and are heated for backflow for 1-3 hours, portions enriching the sec-o-glucosylhamaudol are obtained through resin adsorption and separation, and then the sec-o-glucosylhamaudol is separated and purified through the gel column chromatography. The method for extracting the sec-o-glucosylhamaudol is simple in method, high in repeatability, low in drying temperature, good in product quality and high purity.

The invention provides a Bletilla rhizome floating direct seeding seedling method, and refers to an orchid family plant bletilla rhizome improvement application in the floating seedling technology; bletilla rhizome seeds germinates and seedling in a non-aseptic environment, and specific implement steps comprises seedling room preparation, matrix preparation, sowing, strengthening seedling, and lifting seedling; the non-aseptic environment cultivation can reduce plant-growth regulator application amount so as to effectively reduce bletilla rhizome seedling aberration rate; the method is simple in operation, and needs no disinfection and isolation cultivation, thus reducing bletilla rhizome seedling growing cost and difficulty; the method is high in germination rate, less in aberration, and the seedling is stronger; the method suits for peasant small scale production, and suits for enterprise large-area application.

A conductive glass of a dye-sensitized solar cell comprises a conductive glass layer, the upper surface of the conductive glass layer is provided with a low-resistance grid electrode and a compact titanium dioxide barrier film layer sequentially from bottom to top, and the compact titanium dioxide barrier film layer isolates the low-resistance grid electrode from the external environment; the performance of the cell is proximate to the performance of a small area cell, and the low-resistance grid is unlikely to be oxidized and corroded by electrolytic solution; meanwhile the technique is simple, and the cost is low; the conductive glass is applicable to large area dye-sensitized solar cell.

The invention relates to the field of agricultural fertilizers, in particular to a medium and trace element composition for a water-soluble fertilizer, the water-soluble fertilizer and preparations and application thereof. The medium and trace element composition comprises a medium and trace element, a thickening substance and an anti-frosting substance, wherein the medium and trace element comprises at least one of calcium, magnesium, iron, manganese, molybdenum, copper, zinc and boron; the thickening substance comprises at least one of polysaccharide thickeners and inorganic polymeric thickeners; the anti-frosting substance comprises at least one of alcohols and inorganic salts. The thickening substance contained in the medium and trace element composition can improve the blending performance and the stability of a finished product; the contained anti-frosting substance can improve the frosting resistance of a suspended water-soluble fertilizer as the finished product, so that the suspended water-soluble fertilizer does not separate out salt in the case of -20 DEG C. Through application of the formula of the medium and trace element composition, a pertinent customized fertilizer formula with different nutrient contents can be formed, so that different needs of different crops in different regions are met, and soil testing for formulated fertilization is achieved.

The invention discloses mixing, stirring and oil discharging equipment and an oil discharging process method of ground sesame oil. The equipment comprises a bracket, which is connected with a weighingsensor and is connected with a tank body jacket, wherein the bottom of the tank body jacket is connected with a material outlet, the tank body jacket is connected with a tank body, the tank body is connected with a gas sucking port, the gas sucking port is connected with a metal hose, the metal hose is connected with a vacuum pump, the vacuum pump is connected with a control box, the tank body isconnected with a material inlet, a manhole, a pressure gauge and a water inlet, the tank body is connected with a gas inlet valve, and the tank body is fixedly provided with a variable frequency motor. The equipment and the method are used for mixing, stirring and oil discharging equipment of ground sesame oil.

The invention relates to a production process method of ground sesame seed oil by a water extraction method, which comprises the following steps: obtaining crude oil in a stirring oil outlet and vacuum oil outlet manner, carrying out hot filtration on the crude oil to obtain hot filtration oil, cooling, standing, crystallizing and centrifuging the hot filtration oil, and carrying out cold filtration to obtain clarified finished product oil. The production process method breaks through a traditional vibration oil outlet or hammering oil outlet process method, the whole process is completed under the closed condition, the sesame oil quality and the oil outlet rate are guaranteed, the sesame oil is clean and sanitary, the modern food production process requirements are met, the productivity is greatly improved, the production time is shortened, and the production efficiency is improved; and the effects of mechanization, automation, reduction of the labor intensity of workers and reduction of the production cost are remarkable, and the industrial application prospect is wide.

The invention discloses a method for quickly manufacturing an automobile electric switch button positioning die, belongs to a manufacturing method of the positioning dies, and aims at providing a die manufacturing method which is simple, low in cost, short in period and convenient to maintain. The technical scheme is as follows: surrounding the periphery of a base by a paper board to form a chamber, uniformly mixing putty, a curing agent and a diluting agent in weight ratio of 100 to 3 to 5 to obtain paste, pouring the paste on the base and filling to full the chamber, smoothing the surface, uniformly pressing a switch coated with grease on the periphery and the bottom surface into the paste, curing for 20-30min at room temperature, and then demolding, wherein the putty is Lechler04380, the curing agent is Lechler00281, and the diluting agent is 718 quick-drying cleanser. The die manufactured by adopting the method disclosed by the invention is accurate in positioning, light in weight, good in finish degree, hard to deform, and high in mechanical strength; the method is a manufacturing method suitable for producing the positioning die in small scale in the development phase of a new product.

The invention is a method for improving utilization rate of metal anodes of metal-based batteries by constructing a metal current collecting net. The current collecting net of the invention is a metalportion which is not corroded after being protected by the mesh insulating tape. Since the tape is in a mesh structure, the protected metal anode is also in a mesh crosslinked structure. The currentcollecting net has a multi-stage structure that a tape of a certain width is used to be bonded at both sides of the metal anode plate into a staggered network to form sub current collecting nets, anda tape of a certain width is bonded to the edge around the metal anode into a frame to construct a main current collecting net. The sub current collecting nets are used to connect all the reaction zones of the metal anode to ensure that the active components of the metal anode can be fully utilized; and the main current collecting net connects the respective sub current collecting nets to ensure the smooth operation of the electrons in the current collecting channel. The method successfully constructs a metal anode current collecting net by utilizing the effective insulation and water blockingproperty of the tapes, and is simple in process, low in cost, effective and reliable, and very suitable for small-scale metal anode treatment.

The present invention discloses a continuous production method of single-sheet type abrasive sheet and its equipment. Said method includes the following main several steps: making the base body raw material into abrasive sheet base body, making the single-sheet type abrasive sheet base body be passed through adhesive-rolling cylinder to apply adhesive onto the surface of abrasive sheet base body, then making the abrasive sheet base body on which the adhesive is applied be passed through lower portion of hopper for spreading abrasive granules so as to make the abrasive granules be adhered on the surface of abrasive sheet base body, dring to obtain the invented abrasive sheet finished product.

The present invention relates to the field of preparation of fertilizers, and discloses a seaweed azotobacter fertilizer preparation method, fresh seaweed is chopped, and mixed into a nutritional supplement for even mixing to prepare a solid fermentation matrix, an azotobacter seed liquid is inoculated for solid fermentation, low-temperature drying and crushing to prepare a seaweed azotobacter fertilizer. By seaweed solid fermentation technique, azotobacter and a seaweed fertilizer are organically combined, active ingredients of the seaweed can be converted by the azotobacter, better plant growth-promoting effect is played, meanwhile the azotobacter in the seaweed azotobacter fertilizer can supplement nitrogen for plant roots by nitrogen fixation effect, during growth and reproduction process of the azotobacter, a large number of extracellular polysaccharides are secreted, and the extracellular polysaccharides are an adhesive for formation of a soil aggregate structure and maintaining of the stability of the aggregates, the soil compaction phenomenon caused by the long-term excessive application of inorganic fertilizers can be overcome, and long-term sustainable development of ecological agriculture can be promoted.

In order to solve the problem of difficulty in preparing the aluminum-nickel-cobalt nanoparticles, the invention discloses a device and a method for continuously preparing the aluminum-nickel-cobalt nanoparticles, the continuous preparation device for preparing, cleaning and collecting the nanoparticles by utilizing laser ablation is designed, and the main preparation steps comprise preparation of an aluminum-nickel-cobalt master alloy, preparation of the nanoparticles, collection and aging tempering. The nano-particles obtained by the preparation device and method are uniform in size and small in particle size, can be used as a raw material of a nano-composite permanent magnet material, and are suitable for small-scale continuous production.

The invention relates to a semi-automatic book binding lower mould with a feeding mechanism, and belongs to the technical field of bookbinding. The semi-automatic book binding lower mould comprises abox body, at least three pulleys which move left and right are arranged at the bottom of the box body, and a sliding rail is transversely arranged on the box body; a sliding block which cooperates with the sliding rail in a left-and-right sliding mode, a connecting column is fixed to the top of the sliding block, a lower mould body is horizontally fixed at the top end of the connecting column, anda plurality of needle return grooves used for needle buckling are formed in the lower mould body; a mounting plate is vertically fixed on the right side of the box body, and a plurality of cross rodsare horizontally arranged on the mounting plate; and a belt conveyor for conveying to the right is arranged on the right sides of the cross rods, the belt conveyor is installed on a support, and a drawer type stitching needle storage groove is formed in the box body in a cooperating mode. The semi-automatic book binding lower mould with the feeding mechanism is simple in structure, convenient tooperate, high in production efficiency, good in binding effect and very suitable for small-scale production.

The invention relates to a novel detection reactor. The novel detection reactor is characterized by comprising a reactor body; the reactor body is provided with a cyclone separator, a heat exchange assembly and an internal part are arranged in the middle of the reactor body, and the lower portion of the reactor body is provided with a discharging opening and a gas distribution device; the gas distribution device is a lateral flowing type distribution plate or a sieve plate type distribution plate or a filler type distribution plate; the heat exchange assembly comprises tubular heat exchangers and a box-type exchanger. The tubular heat exchangers are symmetrically distributed on the two sides of the reactor body, the box-type exchanger is arranged at the bottom of the middle of the reactor body, and the heat exchange assembly has the effects of supplying and removing heat to enable a reaction to be carried out within a reasonable temperature range. According to the technical scheme, as the tubular heat exchangers and the box-type exchanger are arranged at the same time, heat exchange efficiency is improved. The integral structural design is compact and ingenious, and conversion efficiency is greatly improved.