32results about How to "Play the role of dilution" patented technology

The invention relates to allochroic artificial leather which sequentially comprises a surface layer, an allochroic layer and a foaming layer from top to bottom. The surface layer is prepared from, by weight, 100 parts of polyurethane resin and 80-100 parts of organic solvent; the allochroic layer is prepared from, by weight, 100 parts of polyvinyl chloride resin, 80-100 parts of dioctyl phthalate, 40-60 parts of calcium bicarbonate, 1-3 parts of heat stabilizers and 3-5 parts of PVC color paste; the foaming layer is prepared from, by weight, 100 parts of polyvinyl chloride resin, 80-90 parts of dioctyl phthalate, 60-70 parts of filling agents, 2-3 parts of stabilizers and 3-4 parts of foaming agents. The invention further relates to a preparation method of the allochroic artificial leather. The allochroic artificial leather has the advantages of significantly improving the wear-resisting property of the overall structure of the allochroic artificial leather.

The invention discloses liquid food additive blending and uniform mixing equipment. The liquid food additive blending and uniform mixing equipment comprises a uniform mixing casing, an elevating connection board is arranged right below a fixed mounting seat and in the uniform mixing casing, an electric telescoping rod is respectively at left and right sides between the elevating connection board and the fixed mounting, a vertical guiding rod mutually adapted to a vertical guiding sleeve in a sliding mode is arranged on the fixed mounting seat, several rotation batch mixing plates are arranged at the central section of a rod body of the rotation mixing rod, a buffer discharge case is communicated with the bottom end of a material discharge channel, several material discharge through holes are arranged on the bottom side wall of the buffer discharge case, and a water spray coil pipe is arranged on the inside wall at the central section of a body of the uniform mixing casing. The processing scope is wider, the blending effect is comprehensively increased, the material splashing phenomenon due to large flow velocity can be avoided, the polluted blades after long-time usage can be flushed, and the work difficulty is effectively reduced.

The invention discloses a low-temperature curing powder coating. The coating is prepared from the following raw materials in parts by weight: 60-70 parts of epoxy resin, 2-3 parts of a low-temperaturecuring agent, 0-1.5 parts of a leveling agent, 0-1.5 parts of a wetting agent, 20-35 parts of precipitated barium sulfate, 0.5-1.5 parts of a curing accelerator and 0-2 parts of other auxiliary agents, wherein the low-temperature curing agent is a modified imidazole compound, and the curing accelerator is prepared from the following raw materials in parts by weight: 65-70 parts of glycidyl etherand 30-35 parts of fumed silica. The invention also discloses a preparation method and application of the low-temperature curing powder coating. Through the synergistic effect of the low-temperature curing agent and the curing accelerator and the optimization of a formula, the powder coating prepared by the formula can be fully cured by performing heat preservation at the temperature of 100-120 DEG C for 5-20 minutes, the powder coating prepared by the formula has a low curing temperature and better room temperature storage performance, and the coating has low-temperature curing performance and room temperature storage performance at the same time.

The invention discloses an automatic sandblasting machine comprising a sealed tank body, an air intake pipe arranged in the sealed tank body, and a conveying pipeline for conveying a blasting material placed in the sealed tank body to the outer side of the sealed tank body; an air inlet is formed on the sealed tank body, the air inlet is connected with a high pressure gas device, an air outlet end of the air inlet pipe is communicated with the conveying pipeline, a feeding end of the conveying pipeline extends into the sealed tank body, a discharge end of the conveying pipeline extends to the outer side of the sealed tank body, and hermetically passes through the sealed tank body; a transmission device for transmission of a to-be-sandblasted workpiece is installed on a main frame, a sand blasting chamber is provided with a spray gun, the spray gun is connected, through a pipeline, with the conveying pipeline; the automatic sandblasting machine can simultaneously perform sandblasting processing on specific locations of multiple workpieces, sandblasting are centralizedly processed and recycled, action of a cylinder and the sandblasting machine is controlled by a program of a controller, the automation of blanking, feeding and sandblasting can be realized, processing efficiency is improved, and manpower and time are saved.

Disclosed is an insectifuge and its preparation method, wherein the insecctifuge mixed from camphor and fresh leaves of camphor tree, the preparation process comprises polishing the camphor into powdery form, chopping the fresh leaves, and finally mixing the two components.

The invention relates to a production method of low-salt salted eggs. The production method comprises the following steps of selecting fissureless fresh eggs being uniform in size, thoroughly cleaning the selected fresh eggs with clean water, adding pickling liquid to the cleaned fresh eggs until the level of the pickling liquid is just higher than the surfaces of the eggs, then performing sealed pickling under the environment of 15-30 DEG C for 40-50 days, fishing out the pickled eggs, thoroughly cleaning the pickling liquid on the surfaces of the eggs, and draining the water on the surfaces of the cleaned eggs, wherein the pickling liquid consists of the following components in parts by weight: 100 parts of water, 8-16 parts of table salt, 100-180 parts of white sugar and 0.5-1 part of edible Baijiu of 50 V/V. The production method disclosed by the invention is simple to operate, the made salted eggs are moderate in salinity, the salinity of egg white in the salted eggs is about 3%, the inherent characters of the salted eggs can be maintained, and the products are uniform in quality and good in consistency.

The invention discloses a production system of low-chlorine potassium sulfate. The production system comprises a first Mannheim furnace, a first screening device, a first crushing device, a mixing device and a second Mannheim furnace, a potassium sulfate product in the first Mannheim furnace enters the first screening device and is screened, the oversize product obtained after screening enters thefirst crushing device, the crushed oversize product is mixed with concentrated sulfuric acid in the mixing device, and the obtained mixture enters the second Mannheim furnace and undergoes a heatingreaction to obtain the low-chlorine potassium sulfate. Corresponding devices are connected in sequence, the oversize product in discharge of the first Mannheim furnace is further treated, raw materialreaction is more sufficient, continuous production of low-chlorine potassium sulfate is achieved, the oversize product reacts in the second Mannheim furnace, existing production devices can be fullyutilized for manufacturers producing potassium sulfate through a Mannheim method, and on the basis of existing production equipment, the building of the production system can be completed only by changing a material conveying mode, so the cost investment is saved.

The invention discloses a preparation method of a gold nano-particle aggregate material. The preparation method comprises the following steps that firstly, a gold seed solution is prepared; a growth solution A, a growth solution B and a growth solution C are prepared, wherein the pH value of C is 5-7; finally, the gold seed solution is mixed with the growth solution A and the growth solution B, so that gold nano-seeds grow gradually; and then the gold seed solution is mixed with the growth solution C, monovalent gold ions are deposited on the surfaces of gold nano-seed particles to form gold nano-particles, silver nitrate is added into the growth solution C under the condition that the pH value is 5-7, nitrate ions are provided and combined with CTA <+> on the outer layer of gold, under the combined action of a surfactant (namely hexadecyl trimethyl ammonium bromide) and the silver nitrate, therefore, repulsion between adjacent head groups on the gold surface is reduced, and the gold nano-particles are aggregated to form the gold nano-particle aggregate material. The whole preparation process is carried out under the condition of normal temperature, heating or stirring is not needed, and chemical polymers or biomolecules do not need to be additionally introduced.

The invention provides a method for preparing ethanol by adopting yam materials. The starch ethanol yield of the ethanol obtained by adopting the method for preparing the ethanol by the yam materials is obviously higher than that of the ethanol obtained by a reference method, and compared with the prior art, the residual sugar ratio of the method for preparing the ethanol is greatly reduced; and simultaneously, the method provided by the invention can obviously reduce the pressure of wastewater treatment, and wastewater subjected to wastewater treatment can meet the requirements of the environment.

The invention provides an ethanol preparation method that utilizes raw potato materials, the starch ethanol yield of the ethanol obtained by the method is apparently higher than that of the ethanol obtained by the existing methods; and compared with the prior art, the ethanol preparation method has greatly reduced residual sugar rate; the method not only can greatly lower the energy consumption for recycling solid residue, but also can remarkably lower the impurity content and the COD value of water removed by squeezing, and consequently the method reduces the device abrasion caused by impurities and lowers maintenance cost and environmental stress.

The invention relates to a beverage used for blending and diluting whisky and a preparation method thereof. The beverage is composed of 50-55 parts of leaching solution of malus hupehensis leaves, 30-35 parts of kudzuvine flower leaching solution and 10-15 parts of an auxiliary material. The preparation method comprises the following steps: respectively washing, drying, crushing, heating and lixiviating malus hupehensis leaves and kudzuvine flowers, mixing and cooling the obtained leaching solution, adding the auxiliary material, homogenizing, cooling, filtering and sterilizing to finally obtain the beverage used for blending and diluting whisky. The beverage of the invention is golden yellow, uniform, fresh and sweet and sourish, clear and bright, and the beverage has gentle taste and health-care effects of relieving heat and quenching thirst, resisting fatigue, reducing alcoholic toxicity and the like on a human body.

The invention discloses full-penetration polished ceramic tiles and a preparation method thereof. The full-penetration polished ceramic tiles are mainly prepared from the following components in partsby weight: 22 to 42 parts of ball clay, 12 to 18 parts of soda feldspar, 5 to 12 parts of ground quartz, 8 to 15 parts of wollastonite, 4 to 7 parts of water milled potassium feldspar powder, 1 to 4parts of sodium silicate, 0.4 to 0.8 part of water reducing agent, 0.3 to 0.6 part of blank enhancing agent and 44 to 70 parts of de-ionized water. The preparation method comprises the following steps: preparing raw materials, carrying out ball milling, spraying and granulating, punching and molding, calcining and polishing. According to the full-penetration polished ceramic tiles prepared by thepreparation method, the problems of traditional polished tiles that the surface level, stereoscopic performance and stone-imitating effect are fuzzy and unclear are solved; application of ultra-penetration materials is researched and developed so that the stone-imitating effect is more vivid; meanwhile, the full-penetration polished ceramic tiles have relatively good anti-penetration performance and color and luster; the preparation method is simple and is suitable for industrial production.

The invention discloses a device for controlling the acidity of an electrodeposition solution and a method thereof. The device comprises an electrodeposition tank, a residual solution pipeline, a residual solution tank, a nitrogen gas pipeline group and a nitrogen gas storing tank; the electrodeposition tank communicates with the residual solution tank through the residual solution pipeline; the residual solution pipeline communicates with the nitrogen gas storing tank through the nitrogen gas pipeline group; and the nitrogen gas pipeline group is used for introducing nitrogen gas into the residual solution pipeline to extrude out chlorine gas in electrodeposition residual solution. According to the device for controlling the acidity of the electrodeposition solution and the method thereof, the chlorine gas in the residual solution is extruded out through a nitrogen gas explosion method, the content of the chlorine gas in the residual solution is controlled by controlling the introduced nitrogen gas amount, then the acidity of the electrodeposition residual solution is controlled, and the acidity of the electrodeposition residual solution meets the requirement; and in addition, theintroduced nitrogen gas can quickly bring out produced hydrogen gas, the gas volume in the system is increased as introduction of the nitrogen gas, the diluting effect on the concentration of the produced hydrogen gas can be achieved, therefore, the concentration of hydrogen ions produced through hydrogen explosion is decreased, and then the hydrogen explosion generation risk is reduced.

The present invention relates to a method for manufacturing a composite material based on a two-component adhesive, the two-component adhesive comprising a main agent and a curing agent, the main agent being fluidically applied to a surface to be bonded of a first material, the curing agent being fluidically applied to a surface to be bonded of a second material; and the to-be-bonded surfaces of the first material and the second material being oppositely pressed to obtain the composite material. The invention also comprises a two-component adhesive-based composite material manufacturing systemcorresponding to the method. The main agent and the curing agent in the double-component adhesive are respectively applied to two surfaces to be bonded of a piece to be bonded, and then the compositematerial is obtained by pressing and bonding. As the main agent and the curing agent are already applied on the two surfaces to be bonded, the main agent and the curing agent are respectively thinnedby spreading, and an approximate 'dilution and dispersion' effect is achieved, highly uniform contact and mixing between the two components which are the main agent and the curing agent are facilitated, and solvent dilution, stirring and other homogenization treatment, solvent drying and the like are not needed.

The invention discloses a regeneration production line for waste sulfuric acid containing high-concentration organic matters. The regeneration production line comprises a melting machine, the right side of the melting machine is communicated with an SCR reactor through a pipeline, the bottom of the right side of the SCR reactor is communicated with a bag-type dust collector through a pipeline, the right side of the bag-type dust collector is communicated with a desulfurization tower, the bottom of the right side of the desulfurizing tower is communicated with a circulating pump through a pipeline, the top of the circulating pump is communicated with the top of the right side of the desulfurizing tower through a pipeline, one end of the circulating pump is communicated with an evaporating crystallizer through a pipeline, and the bottom of the evaporating crystallizer is communicated with a centrifugal machine through a pipeline; the bottom of the centrifugal machine is communicated with a drying machine through a pipeline, and the bottom of the drying machine is communicated with a discharge pipe. According to the invention, the problem that the existing regeneration equipment does not have circular efficient treatment is solved, the processing cost loss is reduced, and the working efficiency of the regeneration equipment is improved.

The invention provides a method for increasing roughness on a semiconductor surface. The method comprises the following steps: providing a semiconductor and shielding a part, except for a to-be-increased roughness region, of the semiconductor surface by using photoresist; and loading the processed semiconductor into a semiconductor processing chamber, forming a vacuum in the processing chamber, introducing a mixed gas of an inert gas and a hydrocarbon gas into the processing chamber, and ionizing the mixed gas to form an ion beam for etching, wherein the inert gas is argon, the hydrocarbon gasis ethylene, and the volume ratio of argon in the mixed gas is 85%-95%. According to the method, the area outside the area, where roughness needs to be increased, of the surface of the semiconductoris shielded through the photoresist, ion beams are formed under the vacuum condition for etching to increase the roughness of the surface of the semiconductor, and the method is simple and low in cost; and in the mixed gas forming the ion beam, ethylene plays a role in dilution, thereby facilitating reducing the etching speed so as to avoid forming excessive etching.