36results about How to "Improve the degree of adsorption" patented technology

The invention provides an anti-slippage composite base material boiler body outer surface polishing and grinding machine. The anti-slippage composite base material boiler body outer surface polishingand grinding machine comprises a polishing mechanism and a clamping mechanism. Supporting columns are arranged on the outer side of the polishing mechanism. Polishing rack fixing bases are arranged atthe upper ends of the supporting columns an integral forming manner. The polishing rack fixing bases are in bolt connection to the tail ends of polishing racks through fastening bolts. Polishing wheel shafts are fixedly connected to the front ends of the polishing racks. The front ends of the polishing wheel shafts are fixedly connected with polishing wheels. Stable plates are arranged at the lower ends of the supporting columns and internally fixedly connected with sliding wheels. The sliding wheels are in sliding connection into sliding grooves, and the sliding grooves are in a circular ring shape and are fixedly formed outside the clamping mechanism. A containing plate is arranged at the upper end of the clamping mechanism, each of the four side edges of the containing plate is fixedlyconnected with a spring buckle, and a vacuum suction pipe is arranged in the middle of the containing plate. According to the anti-slippage composite base material boiler body outer surface polishingand grinding machine, the angle of the polishing racks can be adjusted, the polishing wheels can face the surfaces of boiler bodies different in height for grinding along the surfaces of the boiler bodies, polishing is more comprehensive and more thorough, the anti-slippage composite base material boiler body outer surface polishing and grinding machine can adapt to polishing of the boiler bodiesdifferent in height, and usage is more convenient.

The invention relates to a preparation method of a high-strength waterproof plate and belongs to the technical field of decorative materials. The preparation method comprises the following steps: immersing wheat straws and wheat leaves into hydrochloric acid; separating out components including plant fibers, cellulose and he like in the straws and the wheat leaves; and adding potassium permanganate and oxidizing hydroxyl in the plant fibers into carboxyl so as to enhance the waterproof performance of the waterproof plate. According to the preparation method provided by the invention, corn starch and modified plant fibers are mixed; an amylolytic enzyme is added so that polysaccharide, polysaccharose and the corn starch of the plant fibers are decomposed of glucose and other polysaccharosecomponents; then the glucose and the other polysaccharose components react with maleic anhydride under the environment of concentrated sulfuric acid to combine the hydroxyl of the plant fibers and thehydroxyl in the glucose to generate an ester group; meanwhile, the glucose is added so that the adsorption degree between the fibers is reinforced; the glucose and the plant fibers are carbonized anda carbonized layer is coated with silicon dioxide, so that the mechanical strength and the waterproof performance of the waterproof plate are improved; and the waterproof plate has a wide applicationprospect.

The invention discloses a preparation method of a hydrotalcite-like compound with a uniform particle size and high stability, and belongs to the technical field of metal oxide preparation. According to the method provided by the invention, bean dregs and starch are mixed, proteins and plant fibers in the bean dregs are hydrolyzed to produce amino acid, cellulose and the like respectively through ahigh-temperature high-pressure reaction, hydroxyl groups in the cellulose and the plant fibers are oxidized to form carboxyl groups by using sulfuric acid and potassium permanganate, the carboxyl groups and ethylene glycol are subjected to an esterification reaction, so that a part of ester compounds are coagulated at the surfaces of the fibers, the plant fibers are used to bind components of thehydrotalcite-like compound to avoid non-uniform distribution of particle sizes of the hydrotalcite-like compound product, and the compatibility of the hydrotalcite-like compound with other materialsis improved; and organic components such as the cellulose and saccharide compounds are extracted from the bean dregs and the starch, the organic matter and other components in the hydrotalcite-like compound form a binder adsorption effect, mixing and crystallizing nucleation are performed at a high temperature, so that the structural strength of the hydrotalcite-like compound is improved, and thedurability and stability of the hydrotalcite-like compound are enhanced.

The invention discloses an acrylic factory waste gas treatment process and belongs to the field of waste gas treatment. The process comprises the following steps: removing dust of a waste gas; cooling; leaching with an alkali liquid, and removing fog; adsorbing with activated carbon; performing combustion treatment; filtering with slaked lime, and discharging into the atmosphere; performing thermal treatment on an adsorption saturated activated carbon fiber adsorption unit, desorbing adsorbed organic waste gases, and regenerating the adsorption unit; separating and recycling desorbed waste gases. By adopting the process, the waste gas purification degree is increased, meanwhile useful waste gases are recycled, and the purposes of energy conservation and environment protection are achieved.

The invention discloses a star-shaped polycation-based surfactant as well as a preparation method and application thereof. The surfactant is prepared through the following steps: dropwise adding a certain amount of a trimethylol propane-tri(3-aziridinylpropanoate) reaction solution into a reaction flask filled with a long-chain fatty primary amine ethanol solution and an acidic catalyst, and carrying out first-step aziridine ring-opening reaction; then adding a certain amount of a chloromethane (or benzyl chloride) reaction solution into a reaction solution and carrying out second-step amination reaction, wherein the obtained product is the star-shaped polycation-based surfactant.

The invention belongs to the technical field of cotton cloth production and processing, particularly relates to a high-temperature high-pressure jig dyeing device for cotton cloth production and processing and aims to solve the problems of dye accumulation and precipitation, low temperature pressure intensity and poor adorptivity of dye in existing jig dyeing processes. The jig dyeing device comprises a mounting tank and a container positioned in the mounting tank, the container is composed of a semicircular tank positioned at the lower end and an upper cover positioned at the upper end and matched with the semicircular tank, dye is arranged in the semicircular tank, a cloth winding roller and a cloth unwinding roller are mounted on the inner wall of the semicircular tank, two cloth discharging rollers positioned on the lower sides of the cloth winding roller and the cloth unwinding roller are fixed inside the semicircular tank, and a first motor is fixed on the outer wall of the semicircular tank. Shaking of the dye is realized by driving the container to move back and forth and a stirring rod to rotate in the process of jig dyeing, so that dye accumulation and precipitation are avoided; by heating pressure increase, adsorption efficiency of the dye is improved, and jig dyeing quality is better.

The invention discloses a cationic surfactant with dense charges and a preparation method and applications thereof. The surfactant is prepared by the following steps: dropwise adding quantitative trihydroxymethyl propane-tri(3-aziridinyl propionate) reaction liquid into a reaction bottle, which is filled with an ethanol solution of long chain aliphatic primary amine and an acidic catalyst to carryout aziridine ring-opening reactions (first step); and then adding quantitative 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride into the reaction liquid to carry out quaternary amination reactions (second step). The reaction product is the cationic surfactant with dense charges.

The invention relates to a papermaking wastewater treatment system and method. The wastewater treatment system comprises a wastewater tank, a first flocculating settling tank, a fly ash tank, a second flocculating settling tank, a modified fly ash zeolite filtration tank, a biological settling tank and a reuse water tank. The wastewater treatment method comprises the following steps: first flocculating settling, fly ash adsorption roguing, second flocculating settling, modified fly ash zeolite adsorption filtration and biological settlement. The system and method can gradually remove harmful substances in the wastewater, and have the advantages of ideal purifying effect and short wastewater treatment period.

The invention discloses a composite anticorrosive pigment and a preparation method and application thereof, and belongs to the field of pigments, which comprises the following steps: reacting sodium silicate and sulfuric acid used as raw materials at normal temperature and normal pressure to synthesize low-water-pore low-oil-absorption silicon dioxide, sequentially adding a supersaturated calciumhydroxide solution, a phosphoric acid solution and calcium chloride into the system, uniformly stirring and mixing to obtain the composite anticorrosive pigment, coating with a wax emulsion, washing,drying and crushing to obtain the anticorrosive pigment with the average particle size of less than 5[mu]m. According to the preparation method, the whole process is normal temperature and normal pressure, a single anti-corrosion mechanism is broken through, design is comprehensively considered from the aspects of compact layer forming, calcium ion exchange and metal chelating, the production costis low, and the prepared anti-corrosion pigment is excellent in salt mist resistance. The main component of the anticorrosive pigment is low-water-pore low-oil-absorption silicon dioxide, the main component of the anticorrosive pigment is calcium phosphate, oxidized polyethylene wax and adsorbed calcium ions, the salt spray resistance is achieved by forming a compact layer, chelating phosphoric acid ions and exchanging part of calcium ions, and the salt spray resistance is excellent.

The invention discloses a preparation method and application of a composite anticorrosive paint, and belongs to the field of pigments. The preparation method comprises the following steps: 1) preparing a composite anticorrosive pigment: taking sodium silicate and sulfuric acid as raw materials, and reacting at normal temperature and normal pressure to synthesize low-water-pore low-oil-absorption silicon dioxide, sequentially adding a supersaturated calcium hydroxide solution, a phosphoric acid solution and calcium chloride into the system, uniformly stirring and mixing the mixture, coating themixture with a wax emulsion, washing and drying the mixture, and crushing the mixture to obtain the anticorrosive pigment with the average particle size of less than 5 [mu]m; 2) mixing 65-75 parts byweight of epoxy resin, 12-15 parts by weight of butyl acetate, 8-12 parts by weight of a composite anticorrosive pigment, 5.5 parts by weight of a drying agent and 0.5 part by weight of iron oxide red to prepare the anticorrosive paint. The whole process of the preparation method is carried out at normal temperature and normal pressure, wherein a single anti-corrosion mechanism is broken through,design is comprehensively considered from the aspects of compact layer forming, calcium ion exchange and metal chelating, the production cost is low, and the prepared anti-corrosion pigment is excellent in salt mist resistance.

The lining material for garbage-burying field features by blending the organic, metal and natural bentonites together to construct the laminar lining material. The invented material has strong absorption ability to the organic pollutants such as carbolic acid, aniline, benzol series material and halocarbon containing in the percolating liquid of the garbage so that it can prevent the leakage of organic pollutants so as to protect underground water from pollution.

The invention relates to the field of seasoning tea, and particularly discloses seasoning tea and a production method and production equipment of the seasoning tea. The seasoning tea comprises the following raw material components in parts by weight: 90-98 parts of tea leaves and 2-10 parts of edible essence, propylene glycol accounting for 3%-8% of the mass of the edible essence is also added into the seasoning tea; the preparation method comprises the following steps: S1, heating and drying the tea leaves; s2, spraying edible essence which is half of the mass of the edible essence required in the seasoning tea onto the tea leaves, and rolling and mixing at the residual temperature in the step S1; s3, repeating the steps S1 and S2 once; s4, performing heat preservation on the tea leaves treated in the step S3 at 40-45 DEG C for 10-20 minutes, and cooling the tea leaves to 30-35 DEG C after heat preservation; and S5, performing closed spreading cooling on the tea leaves treated in the step S4, and finally packaging the tea leaves to obtain a finished product of the seasoning tea. The preparation method has the advantage of improving the aromatic flavor degree and the lasting degree of the seasoning tea.

The invention discloses a pulling type atomization generating device which comprises a device body, oil storage bins and a heat conducting plate; a partition plate is arranged in the device body, a smoke outlet channel is formed in the partition plate, a leakage-proof elastic part and a filter plate are arranged in the smoke outlet channel, the filter plate is located above the leakage-proof elastic part, a smoke inlet hole is formed in the lower portion of the leakage-proof elastic part, and a clamping plate is arranged on the outer surface of the device body; and the oil storage bins are arranged in the device body and located on the left side and the right side of the smoke outlet channel. The heat conducting plate is arranged below the smoke outlet channel, the heat conducting plate is communicated with the smoke outlet channel, a heating rod is arranged below the heat conducting plate, an electric heating wire is arranged outside the heating rod, and an electromagnet is arranged below the heating rod; and smoke can be filtered through the filter plate, the taste of the smoke is guaranteed, it is avoided that tar is secondarily absorbed by the human body again to cause greater damage and affect the use taste, and the device body can be arranged on the electronic cigarette in a drawable mode through the electromagnet and the clamping plate.

The invention belongs to the technical field of building material preparation, and particularly relates to a preparation method of a high-strength thermal insulation material. The preparation method comprises the following steps: firstly, grinding and mixing vermiculite and montmorillonite, then putting the obtained mixture into an ethylene glycol solution after the grinding, mixing to prepare a dispersion, dropwise adding an alkali liquor into the dispersion, heating and stirring at high temperature to obtain an alkaline reaction solution, adding ramie into the alkaline reaction solution, carrying out oil bath heating treatment, adding acetic acid, mixing to obtain a to-be-reacted solution, adding ammonium persulfate for reaction, reacting at high temperature and high pressure to obtain aheat treatment product, performing suction filtration on the heat treatment product, washing, performing high-temperature sintering to prepare a modified thermal insulation agent, mixing the modifiedthermal insulation agent, stearic acid and other materials, performing hot pressing, freezing, soaking in acetone, and drying to obtain the high-strength thermal insulation material. The thermal insulation material prepared through the method is good in thermal insulation performance, good in mechanical strength and not prone to deformation and damage and has wide application prospects.

The invention discloses a method for preparing dimethyl 2,5-furandicarboxylate. The method comprises the following step: in an oxidizing atmosphere, carrying out catalytic oxidation on 5-hydroxymethylfurfural in the presence of a non-noble metal catalyst to prepare the dimethyl 2,5-furandicarboxylate, wherein the non-noble metal catalyst comprises a nitrogen-containing carrier and a non-noble metal active component loaded on the nitrogen-containing carrier. According to the method, no extra alkaline additive is needed, pollution is small, the use of a noble metal catalyst is avoided, the preparation cost of the dimethyl furan-2,5-dicarboxylate is reduced, a process is simple, and the method is suitable for wide industrial application.

The invention discloses a rolling adsorption type sludge harmless treatment method. The rolling adsorption type sludge harmless treatment method comprises the following steps of S1, dissolving sludgeinto water, fully stirring, heating, standing after heating is finished, and finally filtering out the floating matter; S2, pouring the filtered sludge into a precipitation tank to precipitate, pouring out a supernatant liquid, uniformly spraying the precipitated sludge water onto a high temperature-resistant sponge, heating the high temperature-resistant sponge, and stopping heating after the sludge on the high temperature-resistant sponge is dried; S3, sending the high temperature-resistant sponge containing the dried sludge into a vibrator, collecting the vibrated-out sludge powder, sendingthe high temperature-resistant sponge into an air blower, blowing out a small amount of residual sludge powder, and collecting; S4, sequentially performing rolling adsorption on the collected sludgepowder by an activated carbon roll, spraying a sodium citrate solution to complex, stirring the sludge in a spraying tank, and filtering the sludge solution after reaction to separate out the heavy metal complex. The rolling adsorption type sludge harmless treatment method has the advantage that the harmless treatment degree is high.