36results about How to "Guaranteed preprocessing effect" patented technology

The invention relates to a preparation method for composite powder of graphene and metal aluminum powder, and belongs to the field of nanosheet structure reinforced metal base composite materials. The preparation method comprises the following steps of: taking grapheme and metal aluminum powder as raw materials, and performing pre-dispersing through a mechanical stirring method, an ultrasonic vibrating method and a chemical reagent dispersing method; and then, preparing the composite powder by ball-milling, wherein the composite powder comprises the following components in percentage by weight: 0.3 wt.%-8.5wt.% of graphene and 91.5wt.%-99.7wt.% of aluminum powder. According to the preparation method, aluminum powder generates the laminarization effect, so that the morphology of the aluminum powder is changed into a cake shape or an ellipsoid shape from a spherical shape, dimension deformation percentage of the aluminum powder ranges from (-)200% to 200%, and graphene is uniformly distributed in aluminum powder. The obtained composite powder is low in impurity content, has moisture content lower than 0.01wt.%, and realizes kilogram-level composite powder preparation; and the preparation method is nontoxic and safe.

The invention discloses a raw material microwave pretreatment method used for the production of fuel alcohol, and relates to a raw material pretreatment method before producing the fuel alcohol. The invention solves the disadvantages that the cost is too high, the energy consumption is too large, or the conditions are too severe, etc., and the problems that the production cycle is long, and secondary pollution is caused. The invention has the following steps: 10 g of matrix powder after water equilibrium is taken, and is filled with water according to a solid to liquid ratio of 1:30 to 50, andis put into a microwave treater, pretreatment is performed in the condition of 00 to 1000 W for 30 to 60 min, then wshing and filtering are performed, and the pretreatment is finished. Under the premise of ensuring the pretreatment effect, the invention simplifies the technical process, reduces the treatment time, reduces the production energy consumption and the cost, simultaneously does not cause secondary pollution, and is easy to realize industrial application. The optimal conditions of the invention are obtained by respectively optimizing the liquid to solid ratio, the heating time and the microwave power, and 49.1 percent of glucose conversion rate, 21.1 percent of xylose conversion rate, and 76 percent of theoretical ethyl alcohol yield rate are respectively abtained under the optimal conditions.

An intelligent water purification system, characterized by comprising a water inlet tee (1), a water inlet valve (2), a first-stage PP cotton (3), granular activated carbon (4), compressed activated carbon (5), a water inlet electromagnetic Valve (6), booster pump (7), fourth-stage RO membrane (8), check valve (9), high pressure switch (10), LED deep ultraviolet water sterilizer (11), pressure barrel switch (12) , a pressure tank (13), a rear filter (14), a water outlet tap (16), a controller main board (17), a server (18) and a mobile phone (19). The intelligent water purification system of the present invention can be connected to the APP software of the user terminal in real time to realize automatic flushing and automatic sewage discharge, intelligently identify the remaining usage time of the filter element of the intelligent water purification system, and intelligently remind to replace the filter element in due course.

The invention discloses a dry dilute acid pretreatment method for a lignocellulose raw material by using low-pressure steam heating. The method concretely comprises the following steps: (1) preprocessing the lignocellulose raw material; (2) carrying out dry dilute acid pretreatment on the lignocellulose raw material obtained in step (1), wherein the heating steam in the pretreatment step is low-pressure saturated vapor with the pressure being 1.0-2.1 MPa; and (3) subsequently biologically processing the pretreated lignocellulose raw material obtained in step (2). The method has the following advantages: the dry dilute acid pretreatment using low-pressure steam heating ensures the pretreatment effect; the pressure of the heating steam is low, so the device investment of a steam boiler is greatly reduced; and additionally, the low-pressure steam has a high steam feeding rate, so mixing and heat transfer in the pretreatment process are enhanced, and inhibitors generated in the pretreatment process are effectively reduced. The dry dilute acid pretreatment using the low-pressure steam heating lays a foundation for a small distributed pretreatment-large centralized biological refining mode.

A pretreatment fluid for a TFT glass substrate thinning process is characterized by being prepared from, by mass, 10-20% of hydrochloric acid (HCl), 2%-5% of hydrofluoric acid (HF), 5-10% of polyvinyl alcohol (PVA), 0.5-1% of polydimethylsiloxane, 1-2% of hydroxypropyl-beta-cyclodextrin and the balance water.

The invention discloses a corn straw dilute acid pretreatment method for reducing the corrosion degree of a reactor. The preparation method comprises the concrete steps: (1) mixing dilute sulfuric acid with corn straw after dedusting and smashing in a low liquid-solid ratio evenly, making the dilute sulfuric acid solution completely absorbed by the corn straw and making no free dilute acid exist;(2) adding the corn straw of the step (1) into a pretreatment reactor with a built-in stirring device, and pretreating; and (3) using the pre-treated corn straw obtained by the step (2) in a subsequent biological processing process. The pretreatment method has the advantages that the dilute acid pretreatment process with low liquid-solid ratio (the mass ratio of the dilute sulfuric acid solution to the corn straw solid) achieves good pretreatment effect, meanwhile, the corrosion to a reactor material in the pretreatment process is greatly reduced by the absence of a free acidic solution, the service life of the reactor is prolonged and the economy of the biorefinery process is improved.

Disclosed is a TFT (thin film transistor) glass substrate thinning process pretreatment agent. The TFT glass substrate thinning process pretreatment agent is prepared from the following components based on mass percentage: 8-12% of hydrochloric acid (HCl), 3-5% of nitric acid, 2-5% of hydrofluoric acid (HF), 5-6% of hydroxypropyl methyl cellulose (HPMC), 2-3% of gellan gum and the balance of water.

The invention relates to a composition for processing the surface of a glass substrate of a liquid crystal display. The composition contains the following components in percentage by mass: 5%-8% of hydrochloric acid (HCl), 2%-5% of hydrofluoric acid (HF), 1%-2% of chitosan, 0.5%-1% of polydimethylsiloxane, 0.5%-1% of hydroxypropyl-beta-cyclodextrin and the balance of water.

The invention discloses a glass fiber cloth-reinforced insulating molded board and a preparation method thereof. Adhesiveness and permeability, when the alkali-free glass fiber cloth is impregnated, this application adds modified silane coupling agent, citric acid, sodium hypophosphite to mix, the introduction of modified silane coupling agent, citric acid, sodium hypophosphite The synergistic effect of the components can effectively improve the high temperature resistance and flame retardancy of the glass fiber cloth; the molded plate prepared by the present invention not only has excellent mechanical properties, but also due to the modification of the flame retardant, the silane coupling agent Modified treatment, the molded plate has excellent high temperature resistance, flame retardancy, can be applied to a variety of environmental uses, and has high practicability.

The invention discloses an ionic liquid microemulsion and its preparation method and use. The ionic liquid microemulsion is a [BMIM]PF6 / [BMIM]Cl type ionic liquid microemulsion composed of a hydrophilic ionic liquid [BMIM]Cl as a main body, a lipophilic ionic liquid [BMIM]PF6 as a core, and a cationic surface active agent CTAB and a cosurfactant n-butanol as a mixed interfacial film. The preparation method comprises the following steps of adding the four components of the microemulsion into a reaction container, after adding a magnetic stirrer, putting the container into a magnetic stirring constant-temperature water bath kettle, keeping the temperature between 40 and 60 DEG C, and carrying out stirring until the system is clear and transparent and is not layered after being centrifugation at a high rate of 30000r / min for 5min. The ionic liquid microemulsion can be used for pre-treatment on wood fiber biomass. The ionic liquid microemulsion can reduce ionic liquid system viscosity and improves permeability and accessibility of drugs into a biomass raw material.

The invention discloses a raw material microwave pretreatment method used for the production of fuel alcohol, and relates to a raw material pretreatment method before producing the fuel alcohol. The invention solves the disadvantages that the cost is too high, the energy consumption is too large, or the conditions are too severe, etc., and the problems that the production cycle is long, and secondary pollution is caused. The invention has the following steps: 10 g of matrix powder after water equilibrium is taken, and is filled with water according to a solid to liquid ratio of 1:30 to 50, andis put into a microwave treater, pretreatment is performed in the condition of 00 to 1000 W for 30 to 60 min, then wshing and filtering are performed, and the pretreatment is finished. Under the premise of ensuring the pretreatment effect, the invention simplifies the technical process, reduces the treatment time, reduces the production energy consumption and the cost, simultaneously does not cause secondary pollution, and is easy to realize industrial application. The optimal conditions of the invention are obtained by respectively optimizing the liquid to solid ratio, the heating time and the microwave power, and 49.1 percent of glucose conversion rate, 21.1 percent of xylose conversion rate, and 76 percent of theoretical ethyl alcohol yield rate are respectively abtained under the optimal conditions.

A rapid mixing and filtering device for raw materials used in cosmetic production, including a housing, a feeding hopper, a mixing assembly, a crushing assembly, a filter screen, a pressurizer, and a driving assembly; the feeding hopper is arranged on one side of the casing; the crushing assembly It is arranged on the feeding hopper; the mixing assembly driven by the drive assembly is arranged inside the casing; the filter screen is arranged at the lower end of the mixing assembly; the pressurizer is arranged on the casing; the casing is provided with a controller. The present invention is equipped with crushing components, which is convenient to control the position of the moving roller according to the size of raw materials and processing requirements, ensures the pretreatment effect of raw materials, and improves the efficiency and effect of subsequent processing; the mixing component and the driving component are set to cooperate, and the agitating paddle is aligned with the shell. The raw materials in the center are mixed, and the scraper mixes the raw materials on the periphery of the shell while scraping off the sticky raw materials on the inner wall of the shell.

The invention provides a pretreatment agent for liquid crystal display glass substrate thinning technology. The agent comprises the following components in percentages by mass: 8-12% of HCl, 2-5% of HF, 0.3-0.5% of acetic acid, 0.5-1% of hydrogen peroxide, 1-2% of hydroxypropyl methyl cellulose (HPMC), 1-2% of chitosan, and the balance being water.

The invention discloses a coal slime water flotation reagent vaporizing device and a vaporizing method thereof. The coal slime water flotation reagent vaporizing device comprises a reagent barrel, wherein the reagent barrel communicates with a vaporizing container through an electric control valve I, a high pressure pump, an electric control valve II and a spray nozzle; the part, at the upper end of the container, of the vaporizing container is connected to an electric heating tube; an electric control valve III used for collecting the vaporizing reagent is arranged on the electric heating tube; a temperature monitoring device and a pressure monitoring device for monitoring the temperature and the pressure of the inner part of the container are arranged on the vaporizing container; and the vaporizing container is further connected with a vacuum-pumping pipeline which communicates with the reagent barrel. The vaporizing container comprises a plurality of electric heating plates which are arranged on the inner part of the container, wherein the heating temperature of the electric heating plates is gradually increased from top to bottom; and the part, at the outlet of the electric control valve III, of the electric heating tube is further provided with a flow monitoring device. The device is further provided with a control system which is electrically connected to the monitoring devices, the electric control valve, the electric heating tube, the high pressure pump, the vacuum pump and the electric heating plate. The device is simple in structure, and is stable to operate, and the contact area of the reagent and coal slime water is sufficiently increased.

The invention provides a pretreatment agent for liquid crystal display glass substrate thinning technology. The agent comprises the following components in percentages by mass: 8-12% of HCl, 2-5% of HF, 0.3-0.5% of acetic acid, 0.5-1% of hydrogen peroxide, 1-2% of hydroxypropyl methyl cellulose (HPMC), 1-2% of chitosan, and the balance being water.

The invention discloses a slime water flotation device and technology. The slime water flotation device comprises a chemical pre-vaporization device, a chemical and air mixing device, a slime water pre-classifying device and flotation equipment. A vaporization chemical of the chemical pre-vaporization device is output to the chemical and air mixing device, the output end of the chemical and air mixing device communicates with the slime water pre-classifying device, and after being subjected to classifying flotation, the vaporization chemical flows into the flotation equipment. The flotation technology comprises the steps that firstly, the chemical is subjected to pre-vaporization and mixing, wherein a collecting agent and a foaming agent in a flotation chemical are subjected to pre-vaporization, and then the vaporization chemical and air are sufficiently mixed to form mixed gas; and secondly, slime water is subjected to pre-classifying and flotation, wherein the mixed gas is led into the slime water pre-classifying device to be subjected to classifying flotation. The slime water flotation device is simple in structure and stable in running, the contact area of the chemical and slime water is sufficiently increased, the slime water pretreatment effect is effectively improved, and the slime water classifying effect can be improved.