85results about How to "No need to stir" patented technology

The present invention relates to one kind of interface photocatalyst, and solves the technological problem of preparing one interface photocatalyst capable of floating on water surface for photocatalytic reaction and with lasting photocatalytic activity. The interface photocatalyst floating on water surface can utilize sunlight well for photocatalysis to decompose pollutant and may be recovered easily, with the decomposition produced CO2 being dispersed to the air directly. It is prepared through the following steps: 1. preparing photocatalyst particle in SiO2-hollow layer-TiO2 structure and with nanometer core; 2. preparing hydrophobic solution; 3. preparing hydrophobic hollow nanometer photocatalyst particle; and 4. cross-linking hydrophobic groups of hollow nanometer photocatalyst particle. The present invention is applied in degrading toxic pollutant to protect environment.

The invention discloses an infrared radiation coating. The infrared radiation coating is formed by mixing a solid material with a liquid material based on a weight ratio of 1:1, wherein grain sizes of the components of the coating are from 100 nanometers to 2 microns; the liquid material is an adhesion agent; and the solid material comprises the following components in percentage by weight: 45-75percent of blackening agent, 20-45 percent of zircon sand and 0-15 percent of aluminum oxide. The grains sizes of the principal components of the coating are from 100 nanometers to 2 microns, so thatthe radiation property of the coating is improved and the service life of the coating is prolonged. The radiance (Epsilon) of the coating is higher at a high temperature of 1,000-1,400 DEG C and can reach more than 0.9; and even at the temperature of 1500 DEG C, the stable radiation still can be maintained and the normal total emissivity of the coating still can reach 0.87; meanwhile, the infrared radiation coating can be applied to different heating types of kilns.

The invention relates to a mould release agent and a preparation method thereof and the application of the mould release agent in the preparation of a polyurethane mould product. According to the formula, the mould release agent comprises the following components: a) polysiloxane with a hydroxyl functional group, b) polysiloxane with a hydrogen silane functional group, c) an organic solvent, and d) a catalyst. The preparation method comprises the following steps of: adding the substance a), the substance b) and the substance d) into the substance c); and reacting by heating or at normal temperature for a certain period of time to obtain a finished mould release agent, wherein one or more kinds of catalysts d) can be added into the reaction simultaneously or step by step, and the finished mould release agent is used for preparing the polyurethane mould product. After the mould release agent is sprayed every time, effective mould release is performed for more than 20 times and even can be performed for 100 times without the cleaning of a mould, so that the mould release agent can be used repeatedly; mould release performance is not reduced along with the increase of the mould release frequency; and the surface skin structure of the polyurethane mould product can be controlled, so that the product has high surface quality.

The invention discloses a method used for synthesizing organic bentonite by ultrasonic wave associating with microwave. Granular or powder bentonite is mixed to be pasty with surfactant solution, wherein, the quantity of the surfactant is 0.2 to 2.5 times cation exchange capacity of the bentonite; then the surfactant and the bentonite go through ion exchanging by the microwave conditioning after ultrasonic oscillation treatment of the ultrasonic wave and the organic bentonite is obtained. The invention has simple processing and saves original processes such as filtering, rinsing, etc., and does not produce waste water as well as reduces energy consumption; the invention has small amount of water attending reaction, little energy waste caused by water absorption and low total energy consumption and does not need stirring in process; the ultrasonic wave speeds up the reaction and the synthesizing time is short; the ultrasonic wave simultaneously exerts grinding effect and the requirement for original soil particles of the bentonite is low; the microwave conditioning effect improves product quality and absorption performance and has good effect of removing organic pollutants.

The invention relates to an algaecide and a preparation method thereof. The algaecide for flocculating and settling alga bodies contains the following components in parts by weight: 1000 parts of sodium alginate and 100-900 parts of multi-walled carbon nanotubes, wherein sodium alginate is added into deionized water at first, then the mixture is subjected to magnetic stirring until the sodium alginate is completely dissolved, and then 0.8-2.4 parts of the multi-walled carbon nanotubes or/and gallic acid are added. According to the preparation method of the algaecide, the sodium alginate, the multi-walled carbon nanotubes and an allelopathic substance namely the gallic acid are used as main ingredients to prepare a composite hydrogel ball algaecide, and the preparation method comprises the following steps: (1) adding a certain amount of sodium alginate/gallic acid into the deionized water, and performing magnetic stirring until the sodium alginate/gallic acid is completely dissolved; (2) adding the multi-walled carbon nanotubes, and mixing uniformly by using an ultrasonic assisted oscillation method to prepare a dispersion; (3) dropwise adding the dispersion into a 5-10% CaCl2 solution by using a dropper to cure into calcium gel balls, fixing for about 1-2h, then taking out, then flushing repeatedly with deionized water, and standing to remove surface residues; and (4) performing vacuum drying to prepare the algaecide.

The method for preparing semisolid slurry for magnesium alloy ultralow temp. casting includes the processes and steps of melting magnesium, adding compound fire-resisting elements, adding alloy elements, heat-insulating and standing still and semicontinuous casing. Said invention utilizes the addition of compound fire-resisting elements to implement magnesium alloy smelting free from covering agent, and utilizes the pouring process which is made under the condition of the temperature of liquid phase line or the temperature below liquid phase link at a certain cooling rate after properly standing still to implement that its interior has no dirt inclusion or porosity.

A disclosed modified water-quality stabilizing agent is prepared from the following raw materials in parts by weight: 90-110 parts of water, 30-50 parts of polyaspartic acid, 5-10 parts of zinc sulfate, 20-35 parts of sodium polyacrylate, 4-12 parts of lignin, 25-35 parts of calcium gluconate, 6-10 parts of polyphosphate, 8-16 parts of sodium molybdate, 11-18 parts of benzotriazol, 15-25 parts of sodium silicate, 3-9 parts of ferrocyanide, 15-20 parts of isopropanol, 8-14 parts of calcium carbonate and 15-25 parts of glycol. The provided modified water-quality stabilizing agent is environment-friendly, less in usage amount, excellent in scale-inhibiting rust-inhibiting performances, and suitable for large-scale popularization.

The invention discloses a preparation method of silver-loaded floating hollow titanium dioxide taking a cationic polymer as an intermediate. The preparation method comprises the following steps: selecting cationic polystyrene as an intermediate substance; adsorbing the polymer on the surface of a lightweight inorganic carrier under the action of electrical attraction to obtain inorganic carrier/cationic polymer composite particles; furthermore, depositing nano titanium dioxide and noble metal on the surface of the polymer to obtain polymer/titanium dioxide/noble metal composite particles loaded on the surface of the carrier; and finally, roasting to remove the organic polymer to realize loading and gathering of the titanium dioxide loaded with the noble metal on the surface of the lightweight inorganic carrier. The titanium dioxide prepared by the method is in a hollow structure and can be arrayed on the surface of the carrier for a plurality of layers, so that the specific surface area is relatively large and the catalytic activity is good. When the catalyst is used, the catalyst floats on the water surface and does not need to be stirred, and is not influenced by water turbidity; and the catalyst is suitable for being used in a natural environment and can be recycled and repeatedly used.

The invention relates to a method for preparing flocculant from water treatment plant sludge and application of the prepared flocculant to algae removal in water. The water treatment plant sludge with coalbed water or surface water as a water source serves as the raw material in the method for preparing the flocculant. Three parts of sludge which is dried and smashed are weighed and mixed with concentrated hydrochloric acid according to the volume ratio of 1:(0.67-2), the mixture is placed in a sealed container for modification reaction, and modified sludge is obtained; 60 parts of ultra-pure water or distilled water or cooled boiled tap water are added into the sealed container by volume to be evenly mixed with the modified sludge, then sludge residues are filtered out, and filter liquid is collected for use; the collected filter liquid is determined to 100 parts by weight by means of ultra-pure water or distilled water or cooled boiled tap water, and the flocculant finished product is prepared. The flocculant obtained through the method is used for algae removal in water, is small in consumption, quick in speed, thorough in algae removal and convenient to operate and provides a new means for resource utilization of water treatment plant sludge.

The invention discloses a vermiculizer for thin-wall cast iron and a melting method thereof, and relates to a cast iron vermiculizer. The melting of the vermiculizer comprises the following steps: 1, examining before smelting; 2, charging before opening a furnace and transmitting power; 3, smelting and charging; 4, discharging from the furnace and casting; 5, crushing; and 6, checking, identifying and storing, wherein the obtained vermiculizer comprises 15 to 25 percent of rare earth (RE), 35 to 45 percent of silicon (Si), 2.5 to 4.5 percent of magnesium (Mg), 2 to 4 percent of calcium (Ca), 1.5 to 3.5 percent of zinc (Zn), 0.6 to 1.4 percent of magnesium oxide (MgO) and 20 to 40 percent of balance of ferrum (Fe) or inevitable impurity. The vermiculizer has the advantages of relatively simple and stable vermiculizing treatment process, good dissolubility, relatively wide vermiculizing range, no stirring, no desulphurization treatment for raw melted iron, and suitability for producing the thin-wall cast iron in low-sulfur and high-sulfur states.

The invention discloses a low-volatility environment-friendly pickling-free soldering flux solution and application of the low-volatility environment-friendly pickling-free soldering flux solution inflame soldering, high-frequency soldering or furnace soldering. The low-volatility environment-friendly pickling-free soldering flux solution comprises, by weight: 30%-50% of triethyl borate, 25%-50%of ethanol, 12%-16% of water, 0%-6% of boric acid, 0%-3% of sodium tetraborate, 0%-3% of potassium tetraborate, 0%-2% of potassium fluoride, 0%-2% of potassium chloride and 0%-1% of cesium fluoride. The invention also discloses a preparation method of the low-volatility environment-friendly pickling-free soldering flux solution. The preparation method comprises the steps of preparing a triethyl borate ethanol solution from the triethyl borate and the ethanol, adding the water into the triethyl borate ethanol solution, and then selectively adding the boric acid, the sodium tetraborate, the potassium tetraborate, the potassium fluoride, the potassium chloride and the cesium fluoride as active elements to dissolve to obtain the low-volatility environment-friendly pickling-free soldering fluxsolution.

The invention discloses a method for preparing a nano-FeZSM-5 molecular sieve and application of the nano-FeZSM-5 molecular sieve in a dimethyl ether-to-gasoline (DTG) reacting process. According to the preparation method, the molecular sieve preparation process is simple, the structure directing agent in filtrate can be recycled, less waste liquid is generated, stirring is not required, and the equipment is simple; and the synthesized molecular sieve has high yield, and the prepared molecular sieve has small grain, uniform size, easy regulation and high crystallization degree; and the catalyst prepared from the nano-FeZSM-5 molecular sieve has excellent catalytic activity for DTG reaction, the dimethyl ether conversion rate is 100 percent, the single-pass oil product has high yield (morethan 35 percent), aromatic hydrocarbon in a gasoline product has low content (less than 40 percent), the content of the durene is lower than 2 percent, and the problems of low single-pass yield of oilproducts and high content of aromatic hydrocarbon, especially durene in an oil product in DTG technology can be solved.

The invention relates to a device and a method for determining total alkalinity and residual silica content of used sodium silicate-bonded sand or reclaimed sodium silicate-bonded sand binder membranes. The method comprises the following steps of building an experimental device according to the figure 1, weighing a sample, putting the sample into a sample preparation bottle (4) shown in the figure 1, adding distilled water into a flask by a water replenishing device (2), switching on a power supply, boiling the distilled water, feeding steam into the sample preparation bottle (4) by a connection pipe, wherein the steam passing through the sample is condensed into extract, filtering the extract, wherein the filtered extract flows into a lower collector (5) to form a liquid sample for analysis, cooling the liquid sample to the room temperature, adding an indicator into the liquid sample, carrying out titration by a standard strong acid solution until a titration end point, recording the consumption amount of the standard strong acid solution, calculating total alkalinity of the sample, adding sodium fluoride or potassium fluoride solids into the solution subjected to the total alkalinity determination, shaking up, carrying out dissolution so that the solution has an alkaline color, carrying out titration of produced sodium hydroxide by a strong acid, and calculating the content of silica.

The invention discloses vehicular underground water carbon tetrachloride treatment equipment which consists of a buffer pool, a water distribution device, a reaction column, a heating device, a drainage pipe, a silt discharge pipe, a movable frame and a control system, wherein the water distribution device conveys the to-be-treated underground water to the center of the bottom of the reaction column from the bottom of the buffer pool; the heating device heats the lower end of the reaction column; the to-be-treated underground water reacts with fresh air at the bottom of the reaction column; the to-be-treated underground water slowly flows from bottom to top and is completely reacted after reaching the top of the reaction column; the generated clear water is discharged from the upper part of the reaction column along the drainage pipe; the carbon tetrachloride gas is discharged from the top of the reaction column; and the settled sludge is discharged from the bottom of the reaction column. The vehicular underground water carbon tetrachloride treatment equipment disclosed by the invention has the advantages of good treatment effect on carbon tetrachloride, low energy consumption and small floor area and is suitable for treating the underground water rich in carbon tetrachloride.

The invention discloses an energy saving apparatus for flocculation of industrial waste liquid and solves the problems that flocculation in the prior art needs stirring and is high in energy consumption. The apparatus includes a flocculant header tank, a central transporting pipe, a flocculant adding inlet, and a waste liquid adding inlet. A flocculant adding pipe is connected to the lower end ofthe flocculant header tank. The flocculant adding inlet and the waste liquid adding inlet are disposed on the upper end of the central transporting pipe, wherein the waste liquid adding inlet is located above the flocculant adding inlet. A plurality of first baffles and a plurality of second baffles, which are inclined down and are in the shape of major arc, are arranged on the inner wall of the central transporting pipe, wherein the arc-shaped ends of the first baffles and second baffles are completely contacted with and fixed to the inner wall of the central transporting pipe. The first baffles are distributed in one side of the central transporting pipe vertically while the second baffles are distributed in the opposite side of the central transporting pipe vertically and are staggeredwith the first baffles. The apparatus can prolong mixing time of the flocculant and to-be-treated industrial waste liquid, so that the liquids are mixed more completely. The apparatus has high mixingefficiency and can save energy.

The invention discloses a preparing method for superfine silver powder, and the preparing method is used in the technical field of silver powder wet process preparing equipment. A plurality of reaction raw materials are continuously added into a reactor with the curve flow path through a plurality of feeding ports at the same time. The reaction raw materials flow in the reactor along the curve flow path under the action of gravity, mixing and reacting are finished in the flow process, and products obtained through the reaction flow out of the reactor through a discharging port of the reactor.According to the disclosed preparing method for the superfine silver powder, the multiple reaction raw materials are added in the reactor with the multiple feeding ports and the curve flow path at thesame time, reaction raw material mixing and reacting are finished in the process that the reaction raw materials flow towards the discharging port from the feeding ports, stirring is not needed, mixing of the reaction raw materials is uniform, and the grain diameter of obtained silver powder is uniform.

The invention discloses a high-strength epoxy encapsulated resin adhesive with single-component diverting and stabilizing functions and a preparation method of the high-strength epoxy encapsulated resin adhesive. According to the technical scheme, the high-strength epoxy encapsulated resin adhesive with the single-component diverting and stabilizing function is prepared from, by weight, 40 to 60 parts of epoxy resin, 0.05 to 0.5 part of 2,6-di-tert-butyl-4-methylphenol, 5 to 15 parts of a toughening agent, 40 to 60 parts of a filling material, 3 to 15 parts of a curing agent, 0.5 to 5 parts ofa curing accelerator, and 0.5 to 1 part of a stabilizing agent; wherein the filler is a composition of fiber powders in different length-to-diameter ratios according to the following ratio: 10-30% oflength-to-diameter ratio being (1-10):1, 40-60% of length-to-diameter ratio being (10-20):1, and 10-30% of length-to-diameter ratio being (20-30):1. According to the present invention, the combination of the fiber powders with different contents and different length-diameter ratios is used, and the rheological property of the encapsulation adhesive is controlled by using the different mutual winding degrees of the fiber powders with different length-diameter ratios in the epoxy resin, such that the prepared product has advantages of rheology stability and high strength.

This invention relates to a gas hydrate (often referred to as a clathrate) comprising a water- in-gas emulsion (egdrywater (DW)) and an enclathrated exogenous gas such as for example methane, natural gas, hydrogen orcarbon dioxide.

The invention discloses efficient drying equipment for chicken feed processing, and belongs to the technical field of feed processing.The efficient drying equipment comprises a pipe fitting, supporting plates are fixedly installed on the two sides of the pipe fitting, lifting blocks are slidably installed on the opposite sides of the two supporting plates, a shaking plate is slidably installed in the pipe fitting, and a connecting rod is fixed between the shaking plate and the lifting blocks; an outlet is formed in the shaking plate, a sealing cover is hinged to the bottom of the outlet, an opening and closing assembly used for opening and closing the sealing cover is arranged on the shaking plate, a transverse plate is installed at the top of the pipe fitting, a vertical pipe is rotationally installed on the transverse plate, a heating pipe is fixed to one side of the vertical pipe, and an electric heating wire is installed in the heating pipe. Fan blades are rotationally mounted in the heating pipe; according to the feed drying device, large-area air blowing is achieved to dry feed, the feed is thrown upwards, the feed is conveniently and evenly heated, air blowing drying is conducted on the thrown feed at different height positions, the drying uniformity is improved, stirring is not needed, and the completeness of feed particles is guaranteed.