41results about How to "Low energy consumption in the production process" patented technology

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

The invention discloses a rice bran oil refining production method. The method comprises the following steps: (1) freshness preservation of rice bran, namely adding isopropanol taken as a leaching solvent into fresh rice bran so as to leach a crude mixed rice bran oil; (2) preprocessing of the crude mixed rice bran oil, namely controlling the content of impurities in the crude rice bran oil to be below 0.2%; (3) degumming and dewaxing; (4) decoloring; (5) deacidification; and (6) deodorization, thereby obtaining rice bran oil. The method disclosed by the invention overcomes the defects in the prior art, and is low in energy consumption in a production process, high in oil yield and good in rice bran oil decoloring effect; the impurity treatment is carried out in the production process of the rice bran oil, so that the content of the impurities in the rice bran oil is further decreased. Thus, the quality of the rice bran oil is improved.

The invention discloses a low-yield ratio and high-strength stirrup which is provided with a bainite structure and is used for buildings and a production process. The stirrup can improve the earthquake resistant performance of the buildings obviously, so that the collapse time of the buildings can be delayed under the condition of high-intensity earthquake levels or the buildings are not collapsed to provide escape opportunity for life. According to the production process, a ferrite and a hot-rolled steel bar with a pearlitic structure are used as raw materials, and the stirrup comprises the following chemical ingredients in percentage by weight: 0.15 to 0.30 percent of C, less than or equal to 1.5 percent of Si, 0.5 to 1.5 percent of Mn, less than or equal to 0.025 percent of P, less than or equal to 0.025 percent of S and the balance of Fe and impurities, wherein one of V and B is added appropriately according to requirements. According to the process, the raw materials are subjected to isothermal treatment to prepare the finished product; and during isothermal treatment, the processed steel bar is heated to above 850 DEG C, and then is water-cooled to 350 to 400 DEG C to obtain dual-phase steel with the ferrite and the bainite structure, wherein the isothermal treatment is completed within one minute. The strength level of the stirrup serving as the finished product is 800 to 1,100 MPa, the yield ratio is about 0.8 to 0.85, A is more than or equal to 12 percent, Agt is more than or equal to 3.5 percent, cracks at the bending position after the stirrup is bent 180 degrees are avoided, and the diameter of the finished product is 5 to 12 millimeters.

The invention discloses a preparation method and a device of semi-solid slurry. Three processes of air current stirring, electromagnetic vibration and addition of heterogeneous nucleating agents are comprehensively utilized by the method. A graphite head with holes is connected with a hollow stirring rod, and a rotating motor drives the stirring rod to rotate through gear transmission and drives the graphite head to rotate; gas passes through a sleeve barrel and reaches the graphite head through the hollow stirring rod, and then, the gas overflows out of small holes, thereby realizing the purposes of blowing and stirring the molten metal in a rotating way; an electromagnetic vibration table can realize electromagnetic vibration on the molten metal in a crucible; the heterogeneous nucleating agents are added into the molten metal to promote further spheroidization and refinement of slurry tissues; after the molten metal is smelted, the graphite head is inserted into the molten metal for blowing and stirring the molten metal in a rotating way; and simultaneously, the molten metal is vibrated, and the heterogeneous nucleating agents are added through a powder feeding pipe, thereby preparing the semi-solid slurry with round and smooth primary grains. The prepared semi-solid slurry has the advantages of purity, no pollution, simple used equipment, easy control of process parameters, short pulping processes, small energy consumption and low cost.

The invention discloses a processing process of rice bran oil. The processing process comprises the following steps of sequentially feeding rice bran to a feeding auger, a 1# lifter and a bran and tip separating sieve, and then entering into a 2# lifter; then, entering the rice bran processed by the above steps into a softening pot for being softened, passing through an expanding machine by a 3# lifter, conveying to a drying box for being dried by a belt conveyor, entering into a horizontal scrapper by a 1# buried scraper lifter and then entering into a material storage box, and then feeding to a rotocel extractor by a 2# buried scraper lifter; and finally, passing the rice bran through a desolvation dryer by a 3# buried scraper lifter, entering into a rice dreg outlet horizontal scraper by a 4# buried scraper lifter and then entering into the material storage box, wherein the material enters the rotocel extractor which is further connected with a mixed oil filter tank, a mixed oil temporary storage tank and a salting-out tank, and the rice bran is finally processed into crude bran oil by a 1# evaporator, a 2# evaporator, and a laminated stripping tower. The processing process disclosed by the invention overcomes defects in the prior art, is low in production process energy consumption and high in oil extraction rate; moreover, the processing method of the rice bran oil is good in discoloring effect.

The invention discloses a concrete curing film production technology and production equipment thereof. A plastic film is coated with a covering layer with super-strong water absorbing and retaining performance. The covering layer comprises a super-strong macromolecule water absorbing material and a bonding agent. The invention further discloses the concrete curing film production equipment. The concrete curing film production equipment comprises an unreeling device, a film expanding device, a punching device, a gluing device, a powder scattering device, a composite device and a reeling device. The plastic film is expanded into a single layer from a folded interlayer through the unreeling device, and the plastic film is tidied and conducted by the film expanding device to enter the subsequent procedure. The whole production line is in continuous variable transmission, and linkage is achieved. The concrete curing film produced through the technology is an update product of a traditional concrete curing material, the production technology of the concrete curing film is low in energy consumption, the production equipment is simple in structure, and construction is convenient. The equipment is high in automation degree and suitable for meeting the industrial requirement. A concrete water-saving moisturizing curing film of a single-layer structure can be produced, and a concrete water-saving moisturizing curing film of a double-layer structure can be produced as well.

The N06600 iron-nickel base alloy hot continuous rolling plate coil production process comprises the following steps that (1) a steel billet is prepared and transferred to a heating furnace to be heated, and the thickness of the steel billet ranges from 220 mm to 240 mm; (2) rough rolling is conducted, specifically, the heated plate blank is conveyed to a rough rolling machine through a conveying roller; 3) finish rolling: conveying into a finish rolling mechanism; 4) coiling: after finish rolling, feeding into a coiling mechanism for coiling; (5) uncoiling and welding; (6) annealing is conducted, specifically, the alloy plate is subjected to annealing treatment through an annealing mechanism and then cooled; (7) phosphorus breaking and shot blasting; the annealed alloy plate is subjected to shot blasting treatment through a shot blasting machine; 8) pickling; and 9) cleaning and drying. The method can improve the yield and the production efficiency and reduce the energy consumption.

The invention discloses an amino acid-rich distilled spirit with sweet potatoes as raw materials and a preparation method thereof, which belong to the field of distilled spirit production. The preparation method comprises the following steps of: drying peeled dried sweet potatoes, then crushing, sifting and baking; cooking the baked peeled dried sweet potatoes together with unbaked peeled dried sweet potatoes; adding water and a fermentation seed solution into the cooked dried sweet potatoes for fermentation; filtering a fermented mash, centrifuging and collecting a supernate; and condensing the supernate through a reverse osmosis membrane to obtain the amino acid-rich distilled spirit. By using a reverse osmosis technology, a lot of energy consumption is avoided, nutrient substances produced in a fermentation process can be kept to the largest extent; the prepared distilled spirit has mellow mouth feel and health-care effects, an alcoholic content of 37% (v / v), an amino acid content of 0.3 g / L and good social popularization value.

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

The invention discloses a fiber reinforced resin composite hollow ball and a preparation method thereof, wherein the fiber reinforced resin composite hollow ball has the diameter of 5-15mm, the wall thickness of 0.3-2.0mm, the density of 0.18-0.40g / cm<3>, and the breaking strength of 2-10MPa, a shell material is fiber reinforced resin, fiber is one or two or three of carbon fiber, glass fiber and aramid fiber, resin is epoxy resin, and an expanded polystyrene sphere is used as a core material template. The fiber reinforced resin composite hollow ball has the characteristics of high breaking strength, and low density, can be used as a density regulating media for deep-sea solid buoyancy materials, lightweight composite materials and heat insulation materials, is low in production process energy consumption, and can meet the needs of the deep-sea solid buoyancy materials.

The present invention relates to a novel calcium-doped cobalt aluminate blue nanometer pigment and a preparation method thereof, wherein the novel calcium-doped cobalt aluminate blue nanometer pigment has a chemical general formula: Co1-xCaxAl2O4 (x is more than 0 and is less than 0.9). The preparation method comprises: respectively weighing cobalt nitrate, aluminum nitrate and calcium nitrate according to a molar ratio of Co to Al to Ca of (1-X):2:X (X is more than 0 and is less than 0.9), preparing into a mixed solution, respectively adding acrylamide adopted as a polymerization agent and a N,N'-methylenebisacrylamide monomer adopted as a polymerization agent to the mixed solution, stirring, respectively adding ammonium persulfate and N,N,N',N'-tetramethylethylenediamine to the mixed solution, initiating a polymerization reaction to form a gel, drying the obtained gel, crushing, calcining, and cooling to a room temperature to obtain the novel calcium-doped cobalt aluminate blue nanometer pigment.

The invention discloses a method for producing piperine, which comprises the following steps of: uniformly mixing an acid solvent and a piperine-containing raw material, allowing leach liquor to flow through an adsorption resin chromatographic column, stopping adding the leach liquor until the piperine is adsorbed to flow out, and eluting the adsorbed piperine by using an eluting solvent; concentrating the piperine eluent in vacuum and recovering an organic solvent to obtain piperine concentrate; dissolving the piperine concentrate, and adding seed crystals for crystallization; and recrystallizing to obtain piperine crystals with the purity of over 98 percent. According to the alkaloid properties of the piperine, the acid organic solvent is used, the dissolubility of the piperine is greatly improved, and the extraction efficiency is improved; the chromatography is used, so the separation efficiency and purity of the piperine are improved, the whole production process is low in energy consumption, and the prepared piperine has high yield and purity; besides, the immature pepper fruits which are always wasted and discarded conventionally are used for extracting the piperine, and sources of raw materials for producing the piperine are increased.

The invention discloses amino acid-rich white spirit prepared from rice and a preparation method thereof, and belongs to the field of white spirit production. The preparation method comprises the following steps of stewing parched rice and un-parched rice together, adding water, amylase and a fermentation culture liquid into the stewed rice, carrying out fermentation, filtering the fermentation mash, carrying out centrifugation, collecting a supernatant, and carrying out supernatant reverse osmosis concentration to obtain the amino acid-rich white spirit. The preparation method utilizes a reverse osmosis technology so that a large amount of energy consumption is avoided and nutrients produced in fermentation are retained. The amino acid-rich white spirit obtained by the preparation method has a mellow taste, alcohol content of 41% (v / v) and amino acid content of 0.2g / L and has a high social popularization value.

The invention relates to a method for preparing pharmaceutical grade potassium chloride with sea salt potassium chloride, which is characterized in that the sea salt potassium chloride is crushed to be loose and added into a crystallizer by a certain ratio together with circulating mother liquor and secondary washing liquid, so that materials in a crystallizer reaction area interflow; crystallizer underflow is discharged under the premise of ensuring system stability; the crystallizer underflow is centrifuged and separated to obtain a primary product and primary filtrate; and then the primaryproduct, saturated potassium chloride solution and secondary washing liquid are added into a stirring tank by a certain ratio to be size-mixed and washed, centrifuged and separated to obtain a secondary product and secondary washing liquid; and the secondary product, the saturated potassium chloride solution and deionized water are added into the stirring tank by a certain ratio to be size mixed and washed, centrifuged and separated so as to obtain pharmaceutical grade potassium chloride and saturated potassium chloride solution.

The invention relates to a method of improving the hardness of granular sodium nitrate. According to the method, a waste salt is added by using a hopper and a screw conveyer in the process of conveying the wet sodium nitrate which is obtained by crystallizing through evaporation to a melting tank, wherein the waste salt contains 60-90% by weight of sodium chloride or 10-40% by weight of sodium sulfate. Due to the addition of 0.01-2.5% of the waste salt which contains sodium chloride or sodium sulfate, the hardness of the granular sodium nitrate can be up to 2-4kgf, and the granular sodium nitrate with a size of 2-4mm accounts for more than 96%. Due to the added waste salt which is rich in sodium chloride, the hardness of the granular sodium nitrate can be improved. By adopting the method provided by the invention, the granular sodium nitrate which has a lower content of water, higher roundness and more uniform size than the existing granules can be obtained. In addition, the method can realize continuous production, consumes less energy, is high in efficiency and low in cost and can be particularly applied to the field of tower-based chemical granulation.