21 results about "Industrial alcohol" patented technology

The invention provides a three-dimensional optical measurement method for a high-pressure integral blade ring blade profile, which is used for spraying a developing agent on the surface of an integral blade ring, especially on the air inlet and exhaust edges, so as to realize three-dimensional optical measurement of the high-pressure closed integral blade ring blade profile. Spraying a developing agent on the surface of the part before measurement; in order to improve the scanning quality of the high-pressure integral blade ring blade profile, especially the air inlet and exhaust edge, a mixture of titanium dioxide and industrial alcohol is adopted for spraying; a special tool clamp is designed, a part is connected with an optical measuring machine, the automatic centering function is achieved, and a measuring head can conveniently collect data on the upper portion and the lower portion of the integral blade ring. And optically scanning integral blade ring blade profile surface data. The method has the advantages that the three-dimensional optical automatic measurement of the high-pressure integral blade ring is realized, the blade profile measurement precision of the high-pressure integral blade ring is improved, the efficiency is improved by more than 50%, and the method can be popularized to the measurement of the integral blade ring of the fan, and has wide market prospects and huge economic benefits.

The invention discloses a corrosion method of an Al Si 10Mg alloy grain boundary, which mainly comprises the following steps of: 1, preparing a corrosion liquid which comprises the following components: 150mL of NaOH, 8-10g of NaOH and 3-5g of NaOH; 2, embedding an Al Si 10Mg sample; thirdly, the embedded samples are sequentially polished with abrasive paper from 400 meshes to 7000 meshes; 4, roughly polishing the ground sample; 5, smearing a surfactant on the sample subjected to rough polishing, and then carrying out fine polishing; 6, cleaning the polished sample with industrial alcohol; 7, heating the prepared corrosive liquid to 60-80 DEG C, and corroding the sample for 40-60 seconds; 8, cleaning the sample with industrial alcohol after corrosion patterns appear on the surface of the sample; and 9, carrying out drying treatment. After the method is used for corroding the Al Si 10Mg alloy, the crystal boundary of the alloy can be clearly observed, and the method is low in equipment requirement, simple in operation step, capable of saving cost, good in stability and suitable for researching the grain morphology, the grain size, the microstructure performance and the like of the Al S i 10Mg alloy.

The utility model discloses nitrocotton alcohol-based solid alcohol automatic production equipment which comprises an alcohol storage tank, an outlet of the alcohol storage tank is connected with an inlet of a stirring reaction kettle through a pipeline, a nitrocotton feeding box is arranged at the top of the stirring reaction kettle, and a gas outlet of the stirring reaction kettle is connected with a gas inlet of a condenser through a pipeline. A reflux inlet of the condenser is connected with an inlet of the crude alcohol metering tank through a pipeline, the crude alcohol metering tank is connected with a reflux inlet of the stirring reaction kettle through a pipeline, and a discharge hole of the stirring reaction kettle is connected with the solid alcohol forming device through a pipeline; according to the utility model, the continuity of the nitrocotton alcohol-based solid alcohol production process is improved, the productivity is greatly improved, all the reaction containers are connected through the pipelines, most of the whole production process is carried out in a closed environment, and the possibility that industrial alcohol is exposed in the environment in the production process is reduced to the greatest extent.

The invention discloses a method for improving digestion characteristics of frozen meat under assistance of ultrasonic waves, which comprises the following steps: cutting fresh meat blocks, sealing, and refrigerating at 0-4 DEG C for 4-8 hours; and freezing the refrigerated meat blocks, applying ultrasonic waves in the freezing process, setting the ultrasonic waves to be in a circulating intermittent mode when the central temperature of the sample reaches-0.5 DEG C to 0.5 DEG C, and completely immersing the meat blocks into refrigerant industrial alcohol until the geometric central temperature of muscles is reduced to-18 DEG C, thereby completing freezing. According to the present invention, with the treatment method of auxiliary ultrasonic application on the sample during the freezing process, the nutrition damage and the digestion characteristic reduction caused by the freezing of the sample are reduced, such that the sample has the high digestion rate, the protein is completely decomposed into the small peptide or the amino acid, the protein particles are small and do not aggregate, and the sample has the high nutrition value; the ultrasonic-assisted freezing proves that the digestion characteristic of the frozen meat is improved to a certain extent.

The present application relates to a kind of deep well pump motor stator core detection method and device, it is related to the field of stator core, it includes: by from top to bottom illumination to the preset stacking table, and the product stacking image of stator core stacking on stacking table is collected;Product stacking image is darkened and the center shadow profile of each stator core is identified to obtain;Based on center shadow profile determines clamping position, controls preset transfer mechanism in any clamping position to stator core is clamped, stator core is moved from stacking table to preset detection table position;Industrial alcohol is sprayed in the inner cavity of stator core, and preset backlight is controlled from stator core by from bottom to top and is irradiated;Under the condition of irradiation, stator core is imaged at multiple angles and obtains core image set;Core image set is analyzed to obtain detection result, and output detection result.The present application has the effect of improving the detection efficiency of deep well pump motor stator core.

The invention discloses a WS2 / W composite material, a preparation method thereof and application of the WS2 / W composite material in a sodium-sulfur battery. The preparation method comprises the following steps: uniformly stirring isopropanol and acetone to obtain a mixed solution A; weighing tungsten hexachloride, adding the tungsten hexachloride into the mixed solution A, and uniformly stirring to obtain a mixed solution B; transferring into a reaction kettle, sealing and putting into a drying oven for reaction; after the reaction is finished, carrying out suction filtration and washing on a product by using industrial alcohol, and drying in a vacuum oven to obtain W18O49 powder; the method comprises the following steps: weighing W18O49 powder and sublimed sulfur, respectively and correspondingly placing the W18O49 powder and sublimed sulfur in a first porcelain boat and a second porcelain boat, then placing the second porcelain boat in the first porcelain boat, placing the second porcelain boat in a tubular furnace, introducing argon into a furnace chamber of the tubular furnace, after the pressure of the furnace chamber is increased to 0.2-0.3 MPa, keeping the airtightness of the system, heating to 1100-1300 DEG C at the rate of 20 DEG C / min, keeping the pressure at 0.2-0.3 MPa in the heating process, and keeping the temperature for 2-3 hours; and after the temperature reaches 1100-1300 DEG C, continuously preserving heat for 2 hours, introducing argon, cooling to room temperature, and collecting to obtain WS2 / W powder. The problems of poor conductivity of the sulfur positive electrode, polysulfide shuttle effect and slow reaction kinetics are solved.

The invention relates to the technical field of industrial marking tools, and discloses an acid-water-resistant and erasable marking pen special for a battery. The pen body comprises a sealing structure, a pen point and an ink storage core for storing ink; the ink is prepared from modified acrylic resin, alcohol-soluble polyamide resin, organic silicon resin, a silane coupling agent, acid-resistant dye, an auxiliary coloring agent, industrial alcohol, isopropanol, methylbenzene, citric acid, borax, a nonionic surfactant and an antioxidant according to a specific proportion. By optimizing the ink formula and simplifying the pen body structure, the stable writing function in acidic and humid environments is achieved, meanwhile, it is ensured that marks can be completely erased through common industrial alcohol without leaving traces, and the ink is low in cost, easy to manufacture and convenient to use.

The invention discloses a high-temperature frosting process for glass bottles. The raw materials used in the method include, by weight, 43-47% polyurethane compound, 23-27% water, 16-20% toning powder, 6.5-8.5% acrylic acid solution, and 2.3%-3.1% industrial alcohol. The method obtains a finished product through frosting liquid preparation, spraying, melting and baking. The process operation of the method is simple, convenient, safe, and easy to implement. The frosting has strong adhesion and reliability, is environmentally friendly, does not cause environmental pollution, and can achieve a variety of frosting effects with different effects.

This invention discloses an alkaline earth metal Ca-doped W 18 O 49 This invention relates to a catalyst, its preparation method, and its application, belonging to the field of functional materials. The method includes: 1) mixing 40-50 mL of anhydrous ethanol and 10-20 mL of acetone and stirring to obtain mixed solution A; 2) weighing 0.001-0.003 mol of tungsten hexachloride and adding it to mixed solution A, and stirring to obtain mixed solution B; 3) weighing CaCl2 according to nCa:nW = 0.01-0.05 and adding it to mixed solution B, and stirring to obtain mixed solution C; 4) transferring mixed solution C to a reaction vessel, sealing it, and placing it in an oven, reacting at 190-210℃ for 6-12 h; 5) after the reaction is complete, washing the product with industrial alcohol by filtration, drying it in a vacuum oven at 50-80℃ for 10-30 min, and collecting the product. This invention solves the problem of single W 18 O 49 Catalysts often suffer from insufficient electronic conductivity, limited utilization of active sites, and poor stability. This invention increases the number of oxygen vacancies and the density of active sites, while simultaneously improving the ion transport channels of the material and enhancing its adsorption and anchoring ability for polar polysulfides.

The present application relates to a kind of deep well pump motor stator core detection method and device, it is related to the field of stator core, it includes: by from top to bottom illumination to the preset stacking table, and the product stacking image of stator core stacking on stacking table is collected;Product stacking image is darkened and the center shadow profile of each stator core is identified to obtain;Based on center shadow profile determines clamping position, controls preset transfer mechanism in any clamping position to stator core is clamped, stator core is moved from stacking table to preset detection table position;Industrial alcohol is sprayed in the inner cavity of stator core, and preset backlight is controlled from stator core by from bottom to top and is irradiated;Under the condition of irradiation, stator core is imaged at multiple angles and obtains core image set;Core image set is analyzed to obtain detection result, and output detection result.The present application has the effect of improving the detection efficiency of deep well pump motor stator core.

The invention discloses a fan casting sand mold strengthening and baking method, and relates to the technical field of fan casting, the fan casting sand mold strengthening and baking method comprises the following steps: S1, sand mold preparation: mixing sand, resin and a curing agent according to a mass ratio of 1: 0.01: 0.005, and carrying out natural reaction molding to obtain a sand mold matrix; s2, coating preparation: mixing the high-temperature-resistant fireproof coating with industrial alcohol to prepare slurry suitable for flow coating; s3, surface flow coating is conducted, specifically, the surface of the sand mold base body is coated with the slurry in a flow mode, and a uniform coating is formed; and S4, ignition and spontaneous combustion: igniting the slurry on the surface of the sand mold after flow coating. According to the method, through a synergistic dehydration mechanism combining ignition spontaneous combustion and staged baking, most of surface and shallow solvents are rapidly removed through alcohol spontaneous combustion, deep bound water is thoroughly and stably removed through a mild baking strategy of low temperature and high temperature, it is ensured that the sand mold is in an absolute dry state before pouring, and the quality of the sand mold is guaranteed. Therefore, the explosion risk caused by instant expansion of water vapor is eradicated.

This invention discloses an automatic heat-insulating sample delivery device for a drop hammer test, relating to the field of impact testing technology. It includes: a sample heat-insulating mechanism comprising a heat-insulating box containing a heat-insulating liquid; and a sample delivery mechanism comprising a delivery track and a robotic arm assembly moving along the delivery track. The heat-insulating box and the drop hammer detection station are both located directly above the displacement path of the robotic arm assembly. The heat-insulating liquid is industrial alcohol, and its chemical composition and mass percentage include: ethanol content ≥95.0%, methanol content ≤0.06%, water content ≤5%, and impurities controlled ≤0.5 mg / L. This invention regulates the temperature of the heat-insulating liquid through a temperature control component, achieving rapid cooling and heating of the industrial alcohol, facilitating the setting of different sample conditions, and ensuring a stable industrial test temperature.

The invention discloses a special inspection device for turbonator rotor forgings and a use method thereof, and relates to the technical field of turbonator rotor forgings machining.The special inspection device comprises a transverse plate, a fixing block is fixedly connected to the center of the bottom of the transverse plate, a vertical plate is fixedly connected to the bottom of the fixing block, and a through groove is formed in the position, close to the bottom, of an inner cavity of the vertical plate; by means of mutual cooperation of the transverse plate, the eddy current detector, the motor, the pump machine and other structures, the device can not only conduct destructive sampling on the rotor forge piece, but also conduct non-destructive sampling on the rotor forge piece, and during non-destructive sampling, the sampling efficiency is greatly improved. The non-flannelette is placed in the second cavity in the fixing block, the second valve is rotated, the industrial alcohol in the first cavity in the fixing block enters the first cavity and wets the non-flannelette in the first cavity, and after the non-flannelette is wetted, the second valve is closed.

The invention discloses an alcoholic solution titanium alloy product screening method, and belongs to the technical field of titanium alloy product screening. The method comprises the following steps: preparing a low-density alcohol solution, putting a first standard ball into the low-density alcohol solution, and adding water until the first standard ball is suspended; preparing a high-density alcohol solution, putting the second standard ball into the high-density alcohol solution, and adding industrial alcohol until the second standard ball is suspended; the titanium alloy hollow balls to be screened are put into a low-density solution, and floating titanium alloy hollow balls are removed; and putting the titanium alloy hollow spheres which sink to the bottom or suspend into a high-density solution, wherein the titanium alloy hollow spheres which float or suspend are qualified products. Based on the density difference sorting principle, the characteristics of low toxicity and transparency of the alcohol solution are utilized, the screening accuracy is ensured through standard ball calibration, manual one-by-one operation is not needed, large-scale screening is achieved, the efficiency is improved, the labor intensity is reduced, and the method is suitable for large-scale production screening of the titanium alloy hollow balls.

A kind of foundry sand core coating is used for the preparation of foundry sand core coating.The foundry sand core coating is prepared by fully stirring white clay as binder, calcium bentonite as suspending agent, chalk powder as refractory material, graphite powder and n-octanol as additives, and industrial alcohol as carrier;white clay, calcium bentonite and industrial alcohol are added in a weight ratio of 6-8:2:6, and stirred at a speed of 380 r / min for 40 min to obtain a mixed solution;then, the chalk powder, graphite powder and n-octanol with specific gravities of 0.2%-0.3%, 0.05%-0.1% and 0.02% of calcium bentonite, respectively, are sequentially added to the mixed solution, and stirred at a speed of 380 r / min for 20 min to obtain the foundry sand core coating.The foundry sand core coating of the present application only needs to be sealed and stored, without the need for storage in a specific environment, and can be recycled without the need for re-proportioning and preparation before each subsequent use by stirring at a speed of 400 r / min for 30 min.

The present invention belongs to the field of solid waste treatment. Specifically, it relates to a method for treating Trichosanthes kirilowii Maxim. waste and its application in the preparation of Trichosanthes kirilowii Maxim. wine. In the present invention, Trichosanthes kirilowii Maxim. waste materials, ellipsoidal conductive stirrers and a first solvent are placed in a liquid-electric reaction tank. Under sealed conditions, through the liquid-electric effect, the Trichosanthes kirilowii Maxim. waste materials are broken into Trichosanthes kirilowii Maxim. waste secondary utilization materials with high porosity and large specific surface area, which can be used for the brewing of Trichosanthes kirilowii Maxim. wine / industrial alcohol, and the by-products will not affect wine brewing. The present invention can perform operations similar to "crushing", "disinfection", "pickling" and "alkaline washing" on Trichosanthes kirilowii Maxim. waste. The operation method is simple, greatly simplifies the production process, and has high production efficiency.

The present invention relates to the field of facial mask technology, and specifically to a gel mask containing anthocyanidins and a method for using the same. The mask comprises a component A and a component B, wherein the component A comprises 10-50 parts of freeze-dried blueberry powder; and the component B comprises an acid solution comprising the following components: 0.05-0.5 parts of α-hydroxy acid, 2-8 parts of glycerol, 20-50 parts of a blueberry wine extract, 10-50 parts of sodium carboxymethyl cellulose, 0.06-0.08 parts of potassium sorbate, and 50-90 parts of water. The gel mask containing anthocyanidins of the present invention utilizes separate packaging of the freeze-dried blueberry powder and the acid solution, ensuring that the anthocyanidins retain their antioxidant activity before use. The mask is packaged in ampoules and stored in a dark, refrigerated environment, extending its shelf life. The mask also utilizes ethanol from the blueberry wine extract as a solution for dissolving the anthocyanidins, avoiding the use of industrial alcohol and preventing excessive methanol content from the raw materials.

The utility model relates to the technical field of mechanical appliances, in particular to an automatic cleaning machine for semiconductor industrial alcohol. Comprising a workbench, a pure water tank is fixedly connected to the top of the workbench, an alcohol tank is arranged on the inner wall of the pure water tank, the inner bottom face of the alcohol tank is of a funnel-shaped structure with the center sunken, a collecting pipe is fixedly connected to the center of the bottom of the alcohol tank, and a sleeve is arranged at the center of the interior of the pure water tank; the upper end and the lower end of the sleeve are fixedly connected with the top and the bottom of the pure water tank respectively, and the sleeve slidably sleeves the outer side of the collecting pipe. The ultrasonic oscillator drives the water body in the pure water tank to oscillate, industrial alcohol in the alcohol tank is indirectly oscillated, the semiconductor rotary joint is cleaned, the ultrasonic oscillator is not in direct contact with the industrial alcohol, and meanwhile, the industrial alcohol is indirectly cooled by controlling the temperature of the water body in the pure water tank. The temperature rise of the industrial alcohol in the cleaning process is strictly controlled, and the use safety of the industrial alcohol is ensured.

The present invention discloses a high-performance monolithic graphite sagger and its preparation method. The preparation method comprises the following steps: S1. Mixing flake graphite, a pre-burned material, a mixed liquid, amorphous alumina fine powder, and carbon nanofibers to obtain a mixed material; S2. Placing the mixed material in a mold and maintaining pressure for a certain period of time, and then demolding the mold to obtain a green sagger; S3. Heat-treating the green sagger and then cooling it in a furnace to obtain a high-performance monolithic graphite sagger. The pre-burned material is prepared by ball-milling borax, carbon black, silicon powder, and zirconium oxychloride to obtain a pre-mixed material, which is then heat-treated in an inert gas atmosphere, cooled, and ground to obtain a pre-burned material; and the mixed liquid is a mixture of thermosetting phenolic resin, industrial alcohol, and lanthanum nitrate. The high-performance monolithic graphite sagger prepared by the present invention exhibits high strength, good density, and a high degree of graphitization.

The invention discloses a method for preparing an olefin block copolymer through continuous series reactors and a single ethylene raw material, and belongs to the technical field of olefin block copolymers. The method comprises the following steps: (1) continuously adding an oligomerization catalyst solution, a first cocatalyst solution, ethylene gas and a solvent into a micro-channel reactor, and carrying out an oligomerization reaction; after the reaction, conveying the materials to a kettle type reactor; (2) continuously adding a copolymerization catalyst solution, a second cocatalyst solution, ethylene gas and toluene into the tank reactor for copolymerization; and conveying the material into industrial alcohol to terminate the reaction, collecting a polymerization product, and drying to obtain the product. The method is simple in process, the polymerization process is easy to control, and the product performance can be flexibly adjusted; according to the method, expensive alpha-olefin does not need to be added, two non-metallocene catalysts do not need to be used at the same time, a chain shuttling agent does not need to be introduced, the production cost is reduced, and the problem that an oligomerization catalyst interferes with a copolymerization catalyst is solved.

The invention belongs to the field of solid waste treatment, and particularly relates to a trichosanthes kirilowii maxim waste treatment method and application of the trichosanthes kirilowii maxim waste treatment method in preparing trichosanthes kirilowii maxim wine. The trichosanthes kirilowii waste material, the ellipsoidal conductive stirrer and the first solvent are placed in the liquid-electric reaction tank, under the sealing condition, through the liquid-electric effect, the trichosanthes kirilowii waste material is crushed into the trichosanthes kirilowii waste material secondary utilization material with high porosity and large specific surface area, the trichosanthes kirilowii waste material secondary utilization material can be used for brewing trichosanthes kirilowii wine / industrial alcohol, and by-products cannot affect brewing. According to the method, the snakegourd fruit waste can be subjected to similar crushing, disinfecting, acid pickling and alkali washing operations, the operation method is simple, the production process is greatly simplified, and the production efficiency is high.