42results about How to "More precipitation" patented technology

The invention belongs to the technical field of cold rolled steel and discloses zinc-plated double-phase steel and a production method of the zinc-plated double-phase steel. The zinc-plated double-phase steel comprises, by weight percentage, 0.085%-0.115% of C, 0.15%-0.24% of Si, 1.45%-1.55% of Mn, not larger than 0.015% of P, not larger than 0.005% of S, 0.025%-0.065% of Alt, 0.14%-0.24% of Cr, 0.24%-0.29% of Mo, not larger than 0.006% of N and the balance Fe and other inevitable impurities. The production method includes the steps of KR desulfuration, converter steelmaking, LF+RH refining treatment, RH calcium treatment, continuous steel casing, billet heating, rough rolling, finish rolling, laminar cooling and winding; unwinding, acid pickling, cold continuous rolling and winding; and unwinding, cleaning, annealing, zinc plating, finishing and winding. Through composition design and process control, the zinc-plated double-phase steel is suitable for annealing production lines having the rapid cooling segment or not.

The invention discloses a brewing process of kumquat fruit wine. The brewing process is characterized in that the kumquat fruit wine is brewed by adopting kumquat fruits as a raw material in steps of raw material pretreatment, enzymolysis, mixing, yeast activation, fermentation, mixing, aging, settling and filtering, filling and sterilizing and the like. The blocked kumquat fruit is soaked in high-degree white spirit, so that the loss of nutrients can be avoided; the soaked kumquat fruits are pulped and are subjected to the composite enzyme treatment, so that more kumquat fruit nutrients can be precipitated, the utilization efficiency of the kumquat fruits can be improved, the settling treatment is carried out by adopting a composite settling agent after the aging, the finished product kumquat fruit wine is stable in color, transparent in wine and soft in taste and has health-protection functions for eliminating the indigestion and phlegm, promoting the secretion of saliva or body fluid, relieving sore throat, resolving depression, strengthening the physique and the like.

The invention relates to a method for synthesizing copper-based perovskite powder by a low-temperature solvent method. The method comprises the following steps: adding CsX and CuX into a polar organicmixed solution, and stirring for 4-6 hours at 40-70 DEG C, wherein the polar organic mixed solution is a mixed solution of N, N-dimethylformamide (DMF)and dimethyl sulfoxide (DMSO), the CsX is cesiumchloride, cesium bromide or cesium iodide, and the CuX is copper chloride, copper bromide or copper iodide. According to the synthesis process, constant-temperature growth on a hot plate is not needed, synthesis is directly conducted on a magnetic stirrer, the synthesis process has the advantages of being short in manufacturing period, low in cost, simple in growth step, environmentally friendlyand the like, and Cs3Cu2X5 powder with high crystallization quality is separated out within 5 hours.

The invention provides a brewing technology of synsepalum dulcificum fruit health-care fruit wine. The brewing technology is characterized in that the synsepalum dulcificum fruit health-care fruit wine takes synsepalum dulcificum fruits as raw materials and is brewed through steps of pre-treating the raw materials, carrying out enzymolysis, blending, activating yeast, fermenting, mixing, ageing, clarifying and filtering, filling and sterilizing and the like. According to the brewing technology provided by the invention, the synsepalum dulcificum fruits are chopped and put into high-degree Baijiu for immersing, so that the loss of nutrient substances is avoided; the immersed synsepalum dulcificum fruits are pulped and are subjected to complex enzyme treatment, so that more synsepalum dulcificum fruit nutrient substances are separated out; the utilization efficiency of the synsepalum dulcificum fruits can be improved; after the ageing is carried out, a compound clarifying agent is used for carrying out clarifying treatment, so that the finished-product synsepalum dulcificum fruit health-care fruit wine has the health-care effects of stable color and luster, transparent wine body, soft mouthfeel, facial beautification and the like.

The invention discloses a brewing method of mockstrawberry fruit wine. The brewing method is characterized by being prepared through the steps of taking mockstrawberry fruits as the raw material, pre-treating, enzymatic hydrolysis, blending, activation of yeast, fermenting, mixing, ageing, clarifying and filtering, filling and sterilizing and other steps. According to the brewing method of mockstrawberry fruit wine, mockstrawberry fruits are placed into high-concentration Baijiu for soaking after being diced, loss of nutritive materials is avoided, the soaked mockstrawberry fruits are pulped and then subjected to compound enzyme treatment, precipitation of more nutritive materials of the mockstrawberry fruits is facilitated, the utilization efficiency of mockstrawberry fruits is improved, a compound clarifying agent is adopted for clarification treatment after ageing, therefore the finished mockstrawberry fruit wine is stable in color and luster, transparent in wine body, soft in taste, and has health care effects of reducing sputa to relieve cough, expelling the wind, promoting blood circulation, relieving swelling, stopping pain and improving immunity.

The invention provides a full-automatic water-permeable brick production line and relates to the technical field of building material production. The full-automatic water-permeable brick production line is used for producing high-quality double-layer water-permeable bricks. The full-automatic water-permeable brick production line is characterized by comprising a feeding system and a forming system; the feeding system comprises a first conveyor and a second conveyor; the forming system comprises a rack, a stamping device, a distributing device and a die device; the distributing device comprises a distributing frame and a distributor, and the distributing frame is connected to the rack in a sliding mode in the vertical direction; the die device comprises a first die plate and a second die plate, the first die plate is connected to the rack in a sliding mode in the vertical direction, and the second die plate is connected to the upper side of the first die plate in a sliding mode in the horizontal direction. The full-automatic water-permeable brick production line has the advantages that it can be guaranteed that the thicknesses of all layers of the produced double-layer water-permeable bricks are uniform, it is guaranteed that the upper layers and the lower layers are clearly separated, therefore, the strength and the water-permeable performance of the double-layer water-permeable bricks are improved, the service life of the double-layer water-permeable bricks is prolonged, and the advantage that one machine achieves multiple purposes is achieved.

The invention provides a method for extracting a coumarin compound from kidney beans. The method comprises the following steps: grinding kidney bean seeds into paste and adding magnesium sulfate, sodium citrate and niacinamide; heating and extracting to separate out more effective substances from the paste; absorbing and eluting an extracting solution through ion exchange resin to remove impurities; concentrating by adopting a nano-filtration membrane and extracting a concentrated solution with an ethanol water solution; finally, concentrating and crystallizing an extracting solution to obtain the coumarin compound. According to the extraction method provided by the invention, the purity of the coumarin compound can be extremely improved; cellulase is added in an extracting process and the effective substances can also be separated out, so that the yield of the coumarin compound is improved.

The invention relates to the field of chemical industry, in particular to a method for recovering magnesium from ferronickel slag. The method comprises the following steps of impregnating the ferronickel slag in concentrated sulfuric acid at normal pressure, adding a seed crystal, and crystallizing to precipitate magnesium sulfate. The magnesium in the ferronickel slag is converted into magnesiumsulfate for magnesium recovery through a full-wet process, the process is simple, operation is easy, the requirement for equipment is low, the magnesium recovery rate is high, the application range ofmagnesium sulfate is wide, the added value of products is high, and the comprehensive utilization rate of the ferronickel slag can be increased.

The invention relates to an EuCl3-assisted growth method of a Cs3Cu2X5 perovskite single crystal. According to the method, CuX and CsX serve as raw materials, an organic mixed solution composed of methylformamide, dimethyl sulfoxide and methyl acetate serves as a crystal synthesis environment, EuCl3 is added at the temperature lower than 70 DEG C to assist growth, and high-quality Cs3Cu2X5 which is square in shape and remarkably improved in quantum efficiency is separated out. The Cs3Cu2X5 crystal grows on a hot plate at a constant temperature, has the characteristics of good crystal luminescence property, short manufacturing period, low cost, simple growth process, environmental friendliness and the like, and can be separated out within 24 hours.

The invention relates to the technical field of cylinder sleeve machining, in particular to a slurry pump cylinder sleeve manufacturing method which comprises the steps that firstly, a cylinder sleeve inner container is subjected to rough machining; secondly, the cylinder sleeve inner container obtained after rough machining is subjected to heat treatment; thirdly, the cylinder sleeve inner container subjected to magnetic field heat treatment in the second step is machined and polished; and fourthly, after the cylinder sleeve outer sleeve is heated to 400-500 DEG C, the cylinder sleeve outer sleeve and the polished cylinder sleeve inner container are subjected to embedding and machining, and then the slurry pump cylinder sleeve is obtained. The surface hardness and wear resistance of the prepared inner container are improved, the hardness of the double-metal cylinder sleeve is improved from 58-61 HRC to 63-64 HRC, and meanwhile the toughness and other mechanical properties of the prepared cylinder sleeve are improved.

The invention discloses a condensation device. The device comprises a condensation box, a condensation coil pipe and a ventilation pipeline; the condensation box comprises a box body and a cover plate, the condensation coil pipe is located in the condensation box, a condensation liquid fills the condensation coil pipe for cooling oil mist in the condensation box, and the ventilation pipeline is located in the condensation box for making the oil mist enter the condensation box and discharged from the condensation box; and the condensation device further comprises a release valve for dischargingcondensed oil in the condensation box, the release valve is a float ball stop valve, and when buoyancy of a float ball by the condensed oil is greater than gravity, the release valve is opened. The condensation device provided by the invention can keep the temperature in the condensation box lower, accelerate cooling of the oil mist, and enable oil gas to be precipitated more and faster; a mutualposition between the ventilation pipeline and the condensation pipeline also allows the oil mist to be more contact with the condensation pipe; and when the condensed oil is accumulated to a certainheight, the condensed oil can be automatically discharged through the release valve, so that manpower is saved, and the device is more convenient.

The invention discloses a concentrated low-nitrogen dual channel swirl burner with central air. The burner comprises a dual channel swirl nozzle area with one communicating with a combustion furnace and comprising a central air channel, a primary air channel, an inner secondary air channel and an outer secondary air channel which are sequentially sleeved from inside to outside, an exhaust air channel with one end further communicating with the combustion furnace, and further provided with an air volume adjusting valve, and a pulverized coal concentration part, wherein a common inlet of pulverized coal primary air is formed in one end of the pulverized coal concentration part, and the other end of the pulverized coal concentration part communicates with the other ends of the primary air channel and the exhaust air channel separately. The burner disclosed by the invention is high in adaptability across coal types, high in combustion efficiency, good in stable combustion effect, good in low-nitrogen effect and good in anti-coking performance, and the win-win of environment and economic benefits is achieved.