63results about How to "Solve easy caking" patented technology

A closed multi-room fluidized bed sludge drying method is provided, which is a sludge drying method having the advantages of simple equipment structure, convenient operation, strong sludge adaptability, high thermal efficiency, safety, continuity, stability, etc. After the mechanically dewatered sludge is mixed with the back-mixed sludge, the mixture is dried room by room in an inert particles multi-room fluidized bed dryer (3). The first room and the second room of the inert particles multi-room fluidized bed dryer (3) adopt inert particles (f) as heat storage medium. Gas from a cyclone separator (5) goes through a spray tower (7) and returns into an air heating unit (4) through a circulating fan (10). Part of dried sludge (e) at the lower part of the cyclone separator (5) enters the inert particles multi-room fluidized bed dryer (3) through the back-mixing in a mixer (2). Waste liquid from the bottom of the spray tower (7) enters a waste liquid circulating pool (8), with part of waste liquid circulating into the spray tower (7) and part into a sewage treatment system.

The invention relates to a method for preparing superfine calcium carbonate by adopting glycine as a dissolving agent, a modifying agent and an acid-binding agent, extracting effective calcium from calcium sources, such as carbide slag or lime, and the like and charging carbon dioxide into a reactor for calcifying, filtering and washing and application of the superfine calcium carbonate to paper making, paint production, and the like.

The invention discloses a preparation method of a low-permeability oral rehydration salt. The low-permeability oral rehydration salt comprises sodium chloride, potassium chloride, sodium citrate and glucosum anhydricum, wherein the granularity of the powder passing through a 100mesh sieve is greater than or equal to 95%. The preparation method is characterized by comprising the following steps: 1) respectively weighing prescription amount of sodium chloride, potassium chloride, sodium citrate and glucosum anhydricum for late use; 2) respectively taking a certain amount of one or more of glucosum anhydricum, sodium chloride, potassium chloride and sodium citrate to combine and crush in common, and filtering by the 100mesh sieve; 3) crushing the residual glucosum anhydricum and filtering by the 100mesh sieve; 4) evenly mixing the mixture in the step 2) with the glucosum anhydricum in the step 3) inside a mixer, and split charging. By adopting the preparation method, the problem that the sodium chloride, the potassium chloride and the sodium citrate are easily blocked after being crushed into fine powder is effectively solved; no agglomerate phenomenon is generated in the overall mixing process; the mixing process is quick and smooth; the mixing uniformity and the granularity achieve the requirements of Chinese pharmacopoeia 2010 version.

The invention discloses green environment-friendly concentrated natural latex and a preparation method thereof. The preparation method includes the steps of: collecting, preserving and transporting fresh latex, processing and concentrating the fresh latex, and performing accumulation treatment. A non-ammonia preservative is employed in the method and includes sodium hydrogen sulfite, sodium tripolyphosphate, sodium carbonate, sodium silicate pentahydrate, citric acid and sodium benzoate; by using the sodium tripolyphosphate instead of butyl p-hydroxybenzoate, bacteria inhibition effect of thenon-ammonia preservative is maintained, and problems that the butyl p-hydroxybenzoate is poor in water solubility and the latex, after long preservation time, is liable to cake can be solved. In addition, by reducing usage amount of sodium carbonate, raw material cost is reduced largely. The green environment-friendly concentrated natural latex can satisfy related quality index requirements in terms of basicity, total solid content, dry latex content, volatile fatty acid number, mechanical stability and the like.

The invention belongs to the field of preparation of nylon, and particularly relates to a method for preparing short-carbon-chain nylon through polycondensation. The method for preparing the short-carbon-chain nylon through polycondensation comprises the following steps of (1) carrying out salt forming reaction on short-carbon-chain diamine and binary acid in a solvent at the temperature of 80-140DEG C under the conditions of heat preservation and pressure maintaining, and then removing the solvent to obtain dry nylon salt, 2) mixing nylon salt, an antioxidant, a catalyst, a surfactant and the pellets, and carrying out solid-phase pre-polymerization and solid-phase post-polymerization in a dynamic mixing state, in the solid-phase post-polymerization process, gradually reducing the systempressure to vacuum and keeping for at least 1 hour in a vacuum state. The temperature of the solid-phase post-polymerization is not lower than the termination temperature of the solid-phase pre-polymerization. The synthesis method solves the problem that the product is easy to cake and adhere to the wall in the industrial production process of nylon, the product is discharged in the form of powder, the melting point, intrinsic viscosity and initial thermal decomposition temperature indexes of the product are good, and the overall quality of the product is excellent.

The invention provides a stirring apparatus used for sludge drying device. The stirring apparatus comprises a rotatable shaft, wherein, two ends of the rotatable shaft are arranged in shaft apertures at two end walls of a drying chamber arranged in the sludge drying device in a rotatable mode; several stirring components, wherein, several stirring components are fixedly arranged on the rotatable shaft with certain intervals and rotate with the rotatable shaft together, each stirring component in the several stirring components has blades or ratchets, wherein, the blades or the ratchets extend to outside along the shaft radial direction of the rotatable shaft; and every two adjacent stirring components in several stirring components between the blade or the ratchet have a separation angle of alpha along a circumference direction of the rotatable shaft. The invention also provides a drying apparatus by using the stirring apparatus.

The invention discloses a rapid dyeing process of jean fabric, and belongs to the technical field of fabric dyeing processes. The rapid dyeing process comprises the following steps of soaping; pre-impregnating, specifically, carrying out pre-impregnating and roll compacting on soaped warp yarns by adopting an accelerating agent; dyeing specifically, dyeing the pre-impregnated warp yarns by adopting an indigo dye, and carrying out roll compacting; oxidation, specifically, carrying out oxidation discoloration on the indigo dye by air; primary water washing, specifically, carrying out primary water washing and roll compacting on the oxidized warp yarns; color fixing, specifically, fixing the color of the warp yarns subjected to primary washing by using a color fixing agent, and performing roll compacting; secondary water washing, specifically, carrying out secondary water washing and roll compacting on the warp yarns subjected to color fixation; and drying, specifically, drying the warp yarns subjected to secondary water washing by adopting a steam drying roller. The accelerating agent is prepared from the following raw materials in parts by weight, 20-30 parts of diethylenetriamine;40-60 parts of polyepichlorohydrin-dimethylamine and 1000 parts of water. According to the rapid dyeing process, the problem that the jean fabric is easy to fade can be solved while rapid dyeing of the warp yarns is realized.

The invention relates to a compound formula and preparation method of plant dietary fiber ferric ammonium citrate. The plant dietary fiber ferric ammonium citrate is formed by taking ferric ammonium citrate as a carrier and being fully compounded with konjac powder, oat powder, broccoli powder, sweet potato powder, asparagus powder and burdock powder and other plant nutrition powder through a modern preparation technology. The ingredients of the plant dietary fiber ferric ammonium citrate greatly improve the ingredients beneficial to the human body and effects through mutual coordination and promotion, and has several folds of effects compared with adopting a single ingredient; under the synergistic effect of the ingredients, the prepared plant dietary fiber ferric ammonium citrate has theeffects of regulating blood sugar, coordinating intestines and stomach, reducing blood fat and cholesterol and the like, is more conductive to being absorbed by the human body, serves as an innovative nutritional supplement agent and food anti-caking agent, and meets the needs of modern healthy diet. The compound formula of the plant dietary fiber ferric ammonium citrate is used for salt to effectively solve the problem that the salt easily cakes or goes bad.

The invention relates to a high-purity nylon 5X salt and a preparation method thereof, wherein the purity of the nylon 5X salt reaches 99.5% or above, and the nylon 5X salt can be directly used for polymerization. According to the preparation method of the nylon 5X salt provided by the invention, pentamethylene diamine and nylon salt production processes are coupled together, and the nylon salt isproduced by a one-step method, so that the tedious and complex process flow is omitted, the equipment investment is reduced, and the production cost is saved; and the method provided by the inventionsolves the problem of low yield of nylon salt crystallization products by an aqueous solution method, the crystallization process is more effectively controlled, and explosion nucleation is avoided.

The invention provides an automatic arch breaking device for an ammonium nitrate fuel oil explosive mixing and charging vehicle. The device comprises a compressor driving the mixing and charging vehicle, a gas storage tank connected with the compressor, a stock bin used for storing ammonium nitrate fuel oil explosives. The automatic arch breaking device further comprises a gas pressure switch connected with the gas storage tank, a compression gas pipe connected with the gas pressure switch, a plurality of arch breaking gas discs installed on the inner wall of the stock bin, and a compressed air distribution unit eclectically connected with the gas pressure switch. The arch breaking gas discs are connected with the compression gas pipe. The problems that in a high-temperature and humid environment, porous granular ammonium nitrate is likely to cake and normal discharge can not be achieved are solved. Besides, the labor intensity of operators is reduced, safety hidden hazards are avoided, the quality of the ammonium nitrate fuel oil explosives is improved, waste high-pressure air of the mixing and charging vehicle is reasonably used, extra power consumption can not be generated, and energy conservation and environmental friendliness are achieved.

The invention discloses crystalline powder of L-lysine L-glutamate and a preparation method of the crystalline powder of the L-lysine L-glutamate. The methanol content of the crystalline powder is less than 0.5wt%, the bulk density of the crystalline powder is more than 0.4g/ml, and the tapped density of the crystalline powder is more than 0.5g/ml. According to the preparation method, crystal obtained by crystallizing L-lysine L-glutamate methanol water is put into ethanol for converting, so that the problem that methanol is left over in a dilution crystallization process is effectively solved; compared with the existing products on the market, the prepared crystalline powder not only has good graininess, flowability and stability, but is also very low in amount of residual methanol.

The invention provides a device for drying sludge with a bottom air admission structure. The device comprises a casing, wherein, a drying chamber used for drying the sludge is formed by a space in the casing. A stirring device used for stirring the sludge is arranged in the drying chamber, wherein, the stirring device comprises a rotation shaft and a stirring component fixed on the rotation shaft. A feed inlet used for the to-be-dried sludge and an air outlet used for discharging the dried gas after the sludge is dried are arranged on the upper part of the drying chamber, and a discharge hatch used for the dried sludge is arranged on the circumferential wall of the drying chamber. A communication port is formed on a base plate of the casing, so that the dried gas outside the casing can be introduced into the drying chamber. A support apparatus is provided for supporting the casing, the base plate departs from the ground with a certain distance by the support apparatus, so that the casing and the base plate have a certain space. The invention also provides a method for drying the sludge by using the sludge drying device.

The invention provides a blended type garlic essence and a preparation method thereof. The blended type garlic essence is prepared from a capsule type garlic essence served as a main ingredient and other additional components, such as hydrolyzed plant protein powder, fresh ginger powder, onion powder, maltodextrin and corn starch, in the manner of combining a spray-drying technology and an efficient blending and pelletizing technology. The capsule type garlic essence with stable quality and slow fragrance release is prepared from natural flavors, such as garlic oil with strong volatility and long fragrance-holding time by adopting the technologies of emulsification, homogenizing, spray drying, and the like. The blended type garlic essence provided by the invention can effectively overcomethe defects of great price fluctuation, easiness in caking, easiness in causing microorganism exceeding standard under high temperature in summer, and the like, of the traditional garlic powder; fragrance stability and fragrance holding capacity of the garlic fragrance can be greatly promoted; the dissolving property of the essence is excellent; the blended type garlic essence is convenient for use and is widely applied to high/low temperature meat products and other foods at present.

The invention provides a direct air-intake sludge drying apparatus. The direct air-intake sludge drying apparatus comprises a casing, wherein, a dividing wall is arranged in the casing, so that the space in the casing is divided into a first drying chamber and a second drying chamber. A feed inlet and an air outlet are arranged on the upper part of the first drying chamber, and a discharge hatch is arranged on the circumferential wall of the first drying chamber. An air inlet and the air outlet are arranged on the circumferential wall or the bottom of the second drying chamber. A sludge stirring apparatus is arranged in the first drying chamber, wherein, the sludge stirring apparatus comprises a rotation shaft and a stirring component fixed on the rotation shaft. A distribution chamber is arranged at the outboard of a side wall of the first drying chamber, the air inlet and the side wall adjacent to the first drying chamber have the through holes, and the side wall of the first drying chamber drying chamber has the through hole. The through hole on the side wall of the first drying chamber is communicated with the side wall of the distribution chamber, and is communicated with the air outlet of the second drying chamber and the air inlet of the distribution chamber. The invention also provides a direct air-intake sludge drying method by using the direct air-intake sludge drying apparatus.

The invention discloses convenient whole-grain instant powder capable of being brewed at any water temperature, and a preparation method and application thereof, and belongs to the technical field offood processing. The preparation method of the instant powder includes the steps that cleaned shelled grain seeds are taken and placed in a container, an ethyl alcohol solution is added, soaking is conducted at the room temperature, then liquid on the surfaces of the grain seeds is drained off, and the soaked grain seeds are obtained; the obtained soaked grain seeds are conveyed into an extruder to be extruded, and strip-shaped grain extrudates are prepared; and the obtained strip-shaped grain extrudates are placed in a hot air drying box to be dried, then cooled, and placed in an ultrafine grinder to be ground, and the convenient whole-grain instant powder is obtained. Seasonings can be added into the obtained instant powder to prepare various flavors of whole-grain instant powder. The whole-grain instant powder prepared through an ethyl alcohol addition extrusion technology can be brewed at any water temperature to be eaten, the agglomeration rate of the whole-grain instant powder iseffectively decreased, and dispersion is improved.

The invention discloses a modular improved iron-carbon microelectrolysis filler, a preparation method, application and assembly method thereof, belonging to the fields of water treatment and fillers. The method comprises the following steps: uniformly mixing scrap iron, common coke powder, copper powder, an adhesive and the like to form a mixture, putting the mixture on both sides of a wire net which is used as a skeleton, carrying out high-pressure compaction, sending into a furnace, and carrying out high-temperature calcination forming while charging protective nitrogen to obtain a modular improved iron-carbon microelectrolysis filler; and simply assembling the microelectrolysis filler units to form the modular improved microelectrolysis filler body. The improved microelectrolysis filler has the advantage of accessible raw materials. The microelectrolysis filler platy unit is simple in production method and convenient to assemble and use. The microelectrolysis filler does not have the phenomenon of hardening or blockage in the use process, and can be widely used in wastewater purification treatment engineering in printing, chemical industry, electroplating, coking and the like.

The invention belongs to the technical field of polyether polyol and particularly relates to a preparation method of straw oil polyether polyol. The preparation method of straw oil polyether polyol comprises the following steps: neutralizing straw oil with an epoxy compound or alcohol; adding a base catalyst; and finally, adding the epoxy compound for a polymerization reaction to generate straw oil polyether polyol. According to the preparation method provided by the invention, the problems of easy acid corrosion, easy caking and easy coking in burning of the straw oil are solved, and the application field of the straw oil is widened. The straw oil polyether polyol prepared from the straw oil can be applied to the fields such as methanol gasoline additives, biodiesel, fuels, polyurethane additives, cutting grinding aids and lubricants.

The invention discloses a method for preparing an instant high-calcium milk powder. The instant high-calcium milk powder is produced from the following raw materials in parts by weight: 100 parts of amilk powder, 65-80 parts of a high-calcium protein powder, 10-30 parts of soy lecithin, 5-10 parts of white granulated sugar, 1-5 parts of xanthan gum, 1-5 parts of maltodextrin, 3-10 parts of multivitamins, and 2-8 parts of a mineral, wherein the multivitamins contain vitamin A and vitamin D with a ratio of 1:1, and the mineral contains one or more of iron sulfate, potassium iodide, magnesium sulfate, and manganese sulfate. The method can solve the problem commonly existing in the instant milk powder provided on the market that the stability of an emulsion is poor, the brewing property is poor, and the flavor is poor, and solve the problem that the milk powder on the market is easy to agglomerate, has poor instant dissolution property, and has short shelf life.