529results about How to "Reduce volatile loss" patented technology

The invention relates to a method for producing water-soluble fertilizers, in particular to a method for producing the water-soluble fertilizers with biochemical humic acid. The method is characterized by including matrix fermentation, concentrated liquor preparation and finished product preparation: firstly, weighing prepared concentrated liquor; secondly, adding modifiers, heating and stirring the liquor in the whole process, controlling the temperature to range from 40 DEG C to 60 DEG C, and cooling the liquor to be below 30 DEG C after reaction to obtain the fertilizers; and thirdly, packaging the fertilizers. The mass ratio of the concentrated liquor, the modifiers and inorganic auxiliary materials is (55-80): (0.1-2): (20-45). The method is simple in manufacture, easy in operation and high in actionability, solves the problem of water solubility of organic fertilizers, provides nutrition, improves soil, prevents diseases and insect pests, and integrates the effects of fertilizer supplementation, bacterium resistance and disease resistance. The fertilizers have balanced nutrition, stable state and persistent fertilizer effects, crop yield can be remarkably improved, the quality of agricultural products is improved, and soil fertility is enhanced.

The invention discloses an opal glass suitable for full electrofusion forming and a preparation process thereof. The opal glass is prepared by composing a batch mixture by mixing a base material, an auxiliary material and an additive and adopting a full electrofusion method at the temperature of 1480-1520 DEG C; and the components of the batch mixture comprise the following components expressed as oxides in percentage by weight: 68.0-71.0% of SiO2, 6.0-7.5% of Al2O3, 1.0-1.5% of CaO, 9.0-10.5% of Na2O, 3.0-4.0% of F-, 1.5-2.5% of ZnO, 3.5-5.0% of B2O3, 1.0-2.0% of BaO and 1.0-2.0% of K2O. The opal glass prepared by the process has thermal expansion coefficient alpha less than or equal to 7.8*10-6 / DEG C, saves the energy by 50 percent as compared with the transitional method, achieves the mohs hardness of 6.8, the thermal shock resistance more than 125 DEG C and the water resistance of a primary standard, has main performance indexes all achieving or exceeding the level of similar imported products, meets the requirements for environmental protection and health and is an ideal substitute of the transitional porcelain product.

The invention relates to an environmental protection and safety type hydrocarbon cleaning agent belonging to the field of chemical cleaning agents. The hydrocarbon cleaning agent comprises the following components by weight percent: 50-95 percent of C10H22 and 5-35 percent of C11H24. The hydrocarbon cleaning agent has extremely strong cleaning capacity, can thoroughly clean various sewages such as oil stains, water, dust, and the like, can be completely volatilized without any residues, has an ozone rupture coefficient of 0.00 and no harm to the human body and is the optimal choice for substituting for the Freon and halogenated hydrocarbon products having extremely great harm to the environment and human beings.

The invention discloses a treatment method for a polymetallic alloy formed by arsenic-lead-antimony and noble metal. In order that the polymetallic alloy formed by arsenic-lead-antimony and noble metal is directly prepared to meet the international standard Sb20399.8, the noble metal is enriched in the noble metal alloy. The treatment method comprises the following steps of: carrying out alkalification and deep dearsenification treatment on the polymetallic alloy formed by arsenic-lead-antimony and noble metal; then converting antimony white at low temperature in a special converting furnace; and finally blasting and highly oxidizing lead slagging to obtain the noble metal alloy. According to the treatment method, the antimony directly satisfies the output requirement of antimony white; the energy consumption is low, and the direct yield rate of the noble metal is improved to more than 98%; and the converting and slagging time of residual alloy after removal of arsenic and antimony is shortened within 30 hours, which is reduced by more than 50% compared with the conventional process.

The invention relates to a new technology for refining Fischer-Tropsch synthesis light fraction oil. The new technology comprises solid-phase adsorption, extraction refining, separation and extraction agent refining and a recycling unit. In the new technology for refining Fischer-Tropsch synthesis light fraction oil provided by the invention, Fischer-Tropsch synthesis light fraction oil is used as a raw material; metal ion impurities and oxygenated compounds in the Fischer-Tropsch synthesis light fraction oil are removed by the technology unit while the recycled refined extraction agent is circularly utilized. The new technology for refining Fischer-Tropsch synthesis light fraction oil provided by the invention has the advantages of simple process, high recycling efficiency, recycling and cyclic utilization of extraction agent, low cost of extraction agent, small investment, and the like.

The invention relates to a method for recovering oil gas and a device. Oil gas exhausted from an oil product storage device is firstly condensed; condensate is recovered; uncondensed gas phase enters an adsorption device for adsorption; after being in adsorption saturation, the adsorption device is regenerated by adopting a vacuum regeneration manner; and concentrated oil generated by vacuum regeneration is recycled to the oil product storage device. According to the method and the device, provided by the invention, the oil gas is recovered by combining the mode of returning the oil gas to the oil product storage device and an oil gas recovery technology, desorbed oil gas is returned to the gas-liquid balanced system of the oil product storage device, the partial pressure of the oil gas is increased, and the loss of an oil product, caused by evaporating, is fundamentally reduced. The method and the device, provided by the invention, have the characteristics of large operating flexibility, low energy consumption, small investment, no potential safety hazard, reachability in tail gas emission standards, and the like.

An electrolysis tank used for aluminum electrolysis, comprising a tank body, an anode and a cathode arranged within the tank body, also an electrolyte accommodated within the tank body, where at least a part of the anode is submerged in the electrolyte. The anode is arranged above the tank body. The cathode is arranged at the tank bottom and is covered by a certain amount of liquid aluminum. The electrolyte is provided between the anode and the cathode. The electrolyte covers the liquid aluminum. The tank body has arranged on an inner sidewall thereof an insulation layer for use in separating oxygen or the electrolyte from a carbon block. The tank is characterized in that: the constituents of the anode comprise Fe, Cu, Ni, and Sn, where Fe and Cu are the main constituents; the electrolyte consists of 30 to 38 wt% of NaF, 49 to 60 wt% of AlF3, 1 to 5 wt% of LiF, 1 to 6 wt% of KF, and 3 to 6 wt% of Al2O3, where the molar ratio of NaF to AlF3 is between 1.0 and 1.52. The electrolysis tank is applicable in industrialized production of electrolyzed aluminum.

The invention discloses a paddy rice cultivation method of double-season mechanized straw returning to field. The method comprises following steps: mechanized crushing of straw returning to field, returning straw to fields, field growing management after returning straw to fields and disease and pest diseases control.The paddy rice cultivation method of double-season mechanized straw returning to field has following beneficial effects: through an original-position full-amount returning mode, resources of double-season early rice and late rice can be reasonably utilized; straw is circularly utilized on the spot and workload is decreased; in addition, environmental contamination and hardened and impervious soil caused by burning of straw are avoided so that soil is improved and fertility betterment is achieved reasonably and soil fertility is improved; fertilizer applying amount is reduced and soil quality is improved; and the method is beneficial for stable and high-yield of double-season early rice and late rice.

The invention discloses a smoke solid essence and preparing method, which comprises the following steps: (1) adopting essence extract or essential oil as raw material; preparing essence or essence particle through spraying drying method; (2) condensing essence extract into grease or essential oil; adding 1-3 times 95% alcohol and fitful beta-cyclodextrin; stirring at constant temperature for 1-12h; drying to produce essence and essential particle; (3) selecting gelatin and acacia as wall material; adopting essence extract and essential oil as core material to prepare micro-capsule solid perfume or essence.

The invention relates to a solid-state fermentation method for ethanol production based on sweet sorghum stalks (including other sugar raw materials, such as, sugar beet, sugar cane, Jerusalem artichoke, etc) and a system, which pertains to the technical field of the processing of biomass liquid fuel. The method mainly includes the following key processes and core equipments: (1) smashed materials are fed into a tank with the help of the rotary motion of a cylinder body of a rotating drum type solid-state fermentation tank and the dual-function of the inclined angle of the tank body (1 to 15 degrees) and a feeding stirring board so as to be evenly mixed with the high-yield ethanol TSH-Sc-1 yeast liquid which is prayed from a sprayer; (2) the solid-state fermentation is carried out in the facultative oxygen environment, the fermentation tank is rotated at an even speed to promote the mixing of materials and the strengthening of heat transfer, thus the fermentation is always in a best condition and the fermentation time is shortened; (3) on-line monitoring is carried out: the solid-state fermentation is affected by a plurality of factors, such as, the distribution of the on-line regulation temperature of a computer, spray amount, the concentration of dissolved O2, filling factors, the mixing degree of the smashed materials and the yeast liquid, the pH value of yellow slurry, CO2 concentration, ethanol concentration, the migration of bacteria species and other parameters so as to ensure that the solid-state fermentation is carried out under a best working condition; (4) the automatic discharge of the fermentation material from the tank is realized with the help of the rotation of the tank body and the push of a discharging stirring board, and a closed tunnel belt is adopted for conveying the fermentation material to an ethanol-dreg separation unit.

The invention discloses a special rice fertilizer with both soil improvement and fertilizer efficiency functions for coastal saline soil and a preparation method and application of the special rice fertilizer. The special rice fertilizer comprises the following components in parts by mass: 35-40 parts of humic acid, 15-20 parts of fulvic acid, 20-25 parts of a composite fertilizer, 15-20 parts of a silicon calcium fertilizer, 1-1.5 parts of a urease inhibitor and 1-1.5 parts of a nitrification inhibitor. According to the invention, the application method combines soil culture, root system activation, crop nourishment and fertilizer efficiency improvement, so the rice fertilizer is low in cost, stable in effect, applicable to mechanical operation, not only applicable to coastal intertidal zones, but also applicable to rice planting in saline-alkali soil in north China or even northwest inland.

The invention discloses a methanol diesel fuel complex additive and a preparation method thereof. The complex additive is prepared from the following raw materials in parts by volume: 1-4 parts of diethyl phthalate, 1-8 parts of n-butylamine, 1-9 parts of isooctanol, 1-6 parts of cyclohexanone, 13-42 parts of lauryl methacrylate, 7-30 parts of mixed fatty glyceride, 1-5 parts of phenyl propargyl ether, 1-8 parts of dihexadecyl dimethyl ammonium chloride, 2-12 parts of ethyl formate, 2-14 parts of isooctyl nitrate and 1-6 parts of polyoxyethylene hexadeeylalkyl ether selies. The methanol diesel fuel complex additive can enable methanol diesel fuel to be evenly mixed and to be stably stored for more than 6 months, which effectively improves the fire behaviour of the methanol diesel fuel and inhibits the volatilization when the methanol content is higher; moreover, the production process is simple and the use is convenient, thereby being beneficial to the popularization and application of the methanol diesel fuel.

The invention relates to a method for dewatering triethylamine. The water- containing triethylamine is mixed with solution of base metal inorganic compound with its weight proportion being larger than 15% thoroughly, and gets triethylamine with water content being lower than 0.3% through separation. Said base matal inorganic compound comprises common salt compounds such as common salt or alkaline compounds such as caustic soda. The invention is characterized by simple process, good effect and suitability for industrial production. If the prepared triethylamine is treated with solid caustic soda and / or molecular screen, it can get higher- purity triethylamine with water content being 0.1%- 0.01%.

The invention relates to a method for applying fertilizer to a wheat and corn crop rotation system in dry farming saline-alkali areas and is used for improving fertilizer application benefit. The method comprises the following steps of: applying fertilizer to winter wheat, namely applying nitrogen fertilizer and phosphate fertilizer to the winter wheat according to the application amount of 6.9 to 8 kilograms of pure nitrogen (N) per acre and 5.5 to 12 kilograms of pure phosphorus pentoxide (P2O5) per acre respectively; and applying fertilizer to summer corns, namely applying nitrogen fertilizer and potassium fertilizer to the summer corns according to the application amount of 6.9 to 9 kilograms of pure N per acre and 6 to 9.5 kilograms of pure potassium oxide (K2O) per acre respectively. The method has the main advantages that: 1, fertilizer is applied according to different requirements of the winter wheat-summer corn on nutrients, so the fertilizer application pertinence is high and fertilizer application benefit is improved; 2, crops in each season are fertilized for one time, so labor of farmers and labor cost are reduced; 3, soil is prevented from being disturbed frequently, and water storage and soil moisture conservation are realized; and 4, the problems of volatilization loss in the fertilizer conversion process and pollution to atmospheric environment because the fertilizer is scattered on the ground surface are reduced.

The invention relates to a traditional medicine continuous circulate extracting concentrating method and relative device, wherein said device comprises drug extracting pot, solvent pot, and distill pot. The inventive method comprises that: adding extracting solvent into distill pot, heating, condensing via tube, flowing into extracting pot, immerging drug, reaching some level, adsorbing extracted liquid into distill pot, circulating until complete extraction; heating extracted liquid in distill pot, condensing solvent, guiding into one storage pot, entering into next process, and the solvent in storage pot can be extracted again. The invention concentrates after extraction, with high efficiency, reduced energy consumption and saved time, while the solvent can be saved more than 50%.

The invention belongs to the field of fertilizers and discloses a synergistic loss-control agent of nitrogenous fertilizers and a production method thereof. The synergistic loss-control agent is composed of a nitrogen stabilizer, a bio-surfactant, biological fermentation compound amino acid, a plant growth regulator, a soil structure modifier and water, wherein the nitrogen stabilizer can control nitration, decomposition and loss of ammonium nitrogen; the biological fermentation compound amino acid can absorb and chemically combine the ammonium nitrogen and reduce volatilization loss; plant growth regulator, the plant growth regulator can regulate plant growth and promote plants to absorb nitrogen, phosphor, potassium and microelements; the soil structure modifier can loosen soil and add granular structures of the soil; and the bio-surfactant can promote the plants to absorb nutrients and improve the utilization rate of the nutrients, therefore loss of phosphate is reduced, and effectiveness of the phosphate fertilizers is improved. Potting and field fertilizer efficiency tests show that the utilization rate of the phosphate can be improved obviously and the yield of crops and income can be increased through the synergistic loss-control agent.