69results about How to "Fully suspended" patented technology

The invention discloses a method for recovering a silicon powder from monocrystalline and polycrystalline silicon cutting wastes by utilizing a potential adjustment centrifugal process. The method comprises the following steps of: firstly, performing pretreatment on the cutting wastes to remove a polyethylene glycol solution; drying to obtain a mixed powder of silicon and silicon carbide; adding water to the mixed powder and stirring; regulating a pH value to 6-9 by acid and base; performing centrifugal separation for a plurality of times, and then, adding the acid to an isolated upper layer suspension to regulate the pH value to 1-3 so as to enable a silicon powder aggregate to grow up; and performing standing settling for 30min or centrifugal settling for 5min to collect the silicon powder, wherein the purity of the silicon powder can reach more than 80 percent.

The invention provides an inorganic foamed concrete insulation board and a preparation method thereof. The insulation board comprises foamed concrete, and has density of 160-250kg / m<3>, compressive strength of 0.3-0.5 MPa, and coefficient of thermal conductivity of 0.05-0.062 W / m.K. The prepared insulation board has the characteristics of low unit weight and good heat insulation effect, and can be widely used as an insulation material in the field of construction.

The invention discloses suspension salt well completion fluid, which is a suspension prepared from the following raw materials in percentage by weight: 20 to 82 percent of sodium chloride, 0.5 to 3.0 percent of thickening agent A, 3.0 to 4.5 percent of thickening agent B, 0.10 to 3.0 percent of salt re-crystallization inhibitor, 0.5 to 2.0 percent of corrosion inhibitor, 1.0 to 3.0 percent of fluid loss additive, 0.1 to 1.5 percent of oil layer protecting agent and the balance of water. The suspension salt well completion fluid has the advantages of low damage to a stratum, wide specific gravity adjusting range, high viscosity and low cost.

The invention provides a method for preparing a Ni-SiC composite coating on the inner surface of a hollow workpiece. By means of a cyclic electroplating solution code position technology, an electroplating solution only makes contact with the inner surface of the hollow workpiece, and only the composite coating is deposited on the inner surface of the hollow workpiece without affecting the status of the outer surface of the hollow workpiece. The SiC content of the composite coating prepared in the composite electroplating solution with the SiC concentration being 20 g/L reaches up to 18.8%vol, and the utilization rate of SiC is effectively increased. The deposition rate of the Ni-SiC composite coating reaches up to 83 microns per 30min. Compared with a pure nickel coating, the Ni-SiC composite coating is low in surface roughness, uniform and compact and has the characteristics of high hardness, high abrasion resistance and high corrosion resistance. Through the method, the problem of concentration polarization of a composite electroplating solution in an immersion type electroplating system is effectively solved.

The invention discloses a perfuming, anti-corrosion and anti-bacterium processing technology for an ox bone folding fan framework, and belongs to the field of folding fan bamboo material processing technologies. The perfuming, anti-corrosion and anti-bacterium processing technology for the ox bone folding fan framework is characterized by comprising the steps of preparation of anti-bacterium anti-corrosion solvent and anti-bacterium anti-corrosion perfume, material boiling, baking, spraying and slurry wrapping. In addition, due to the fact that a surfactant, detergent dispersant and sodium carboxy methyl cellulose are added to the anti-bacterium anti-corrosion solvent, all anti-corrosion anti-bacterium components can be mixed together to be consistent, and the anti-bacterium anti-corrosion effect can be maximized and optimized under the synergistic action; due to the fact that staged baking perfuming operation is conducted on the ox bone folding fan framework through pure natural plant perfume materials, the fragrance can slowly penetrate into ox bone fibers, the smoking flavor cannot be generated, and the perfuming fragrance is durable and fresh; after a high-oleic ox bone preservative solution is sprayed, the surface of the ox bone folding fan framework is repeatedly wiped through cotton cloth and chamois leather until a slurry wrapping layer in a glossy state exists, an anti-oxidation layer on the surface can be densified, and the weather resistance is effectively improved.

The invention discloses a mosquito-dispersing anticorrosion and antibacterial machining process of a folding fan framework made by cow bones, and belongs to the field of folding fan material treatment processes. The mosquito-dispersing anticorrosion and antibacterial machining process is characterized in that the method includes the steps of preparing an antibacterial and anticorrosion solvent and antibacterial and anticorrosion boiling materials, boiling materials, conducting spraying, conducting smoke curing and the like. Furthermore, a surfactant, a cleaning dispersing agent and sodium carboxymethyl cellulose are added to the antibacterial and anticorrosion solvent so that fusion consistency of all the antibacterial and anticorrosion components can be achieved, and the antibacterial and anticorrosion effects can be maximized and optimized under the synergistic effect. According to the mosquito-dispersing anticorrosion and antibacterial machining process, both the selected antibacterial and anticorrosion solvents and the antibacterial and anticorrosion boiling materials are made of pure natural materials which are economical and practical, the purchasing cost is low, the mosquito dispersing effect and the anticorrosion and antibacterial effects are good as well, and hazards to the environment and the human body are avoided. By means of the machining process, anticorrosion treatment can be conducted on the folding fan framework made by the cow bones of a folding fan effectively, and the folding fan framework made by the cow bones is durable and not prone to cracking or generating reverse osmosis of oil; the material performance index of the folding fan framework made by the cow bones is increased greatly, the antibacterial and health-care effects are achieved, and negative ions beneficial to the human body can be emitted.

The invention relates to a deinking device and a method for a waste paper magnetic-selected deinking machine, and relates to the field of waste paper deinking reuse. The deinking device comprises a frame, a transmission system, a feeding pump, a feeding pipe, a weir plate, a rotating drum, an unloading water pipe, a separation tank body, a printing ink discharging pipe, an accept discharging pipe, and a return pipe, wherein permanent magnets are arranged in the rotating drum; the separation tank body is disposed in a lower portion of the rotating drum; the printing ink discharging pipe, the accepts discharging pipe, and the return pipe are arranged on the separation tank body; valves for adjusting liquid level is disposed on the accept discharging pipe; and a stability of the liquid level in the separation tank body is maintained by the return pipe. By feeding the paper pulp from the bottom, the device improves the dispersion degree of the paper pulp and reduces the entrainment of the magnetic materials to the paper fibers, and the magnetic materials (printing inks) is easy to adsorb on the magnetic rotating drum, so that the deinking rate and the fiber receiving rate are improved, magnetic separation can be realized in a relatively high concentration of the paper pulp, and the processing capability is improved.

The invention provides a nutritive breakfast bag based on a soybean milk maker. The nutritive breakfast bag comprises, according to a mass ratio, 40-60% of soybeans, 7-13% of instant oats, 7-13% of corn grits, 7-13% of raw badam, 16-19% of dried dehydrated red dates and 1-4% of dried tremella. The soybeans are subjected to following treatment: (1) thermal treatment, in which soybeans are baked at 90-110 DEG C or dried in hot wind for 5-15 min; (2) soaking, in which a NaHCO3 solution with the mass percentage concentration being 1-2% is used for soaking the obtained soybeans for 30-90 s; and (3) drying, in which the obtained soybeans are baked at 75-95 DEG C or dried in hot wind for 20-40 min. The beany flavor and the flatulence factor content can be effectively reduced, residue filtration is not required, and the obtained product tastes strong, is free of throat sensitivity, and has the shelf life as long as 9-12 months. The product types on the market are increased based on soybean milk manufacture of a soybean milk maker, and the nutritive breakfast bag is nutritive and healthy. Soaking isn't required once people buy the nutritive breakfast bag, the materials in the bag can be put in a soybean milk maker for soybean milk manufacture, and the soaking before conventional soybean milk manufacture at home is saved. The nutritive breakfast bag has good economic development value.

The invention provides regenerated waterproof putty powder and an application method thereof, which belong to the technical field of building materials. The regenerated waterproof putty powder is prepared from the following components in parts by weight: 220 to 350 parts of Portland cement, 400 to 680 parts of waste aerated concrete micro powder, 50 to 150 parts of ash calcium powder, 50 to 150 parts of heavy calcium carbonate powder, 50 to 120 parts of talcum powder, 2 to 7 parts of hydroxypropyl methyl cellulose, 3 to 8 parts of dispersible latex powder, 3 to 7 parts of magnesium aluminum silicate and 2 to 8 parts of dry powder polycarboxylate superplasticizer. Waste aerated concrete micro powder is used as a main filler, heavy calcium carbonate powder and talcum powder are used as secondary fillers, white cement and ash calcium powder are used as main film-forming substances, hydroxypropyl methyl cellulose, dispersible latex powder, magnesium aluminum silicate and a dry powder polycarboxylate superplasticizer are used as functional aids, and the putty powder has the characteristics of good crack resistance, high bonding strength, favorable water resistance and favorable decorative effects.

The invention discloses a radioactive contamination control and removal material, which comprises the following components in parts by weight: 60-80 parts of composite film-forming emulsion, 15-30 parts of coated hollow glass micro-beads and 0.5-5 parts of an additive. According to the invention, the composite film-forming emulsion and the coated hollow glass micro-beads are adopted, and the outercoating film of the coated hollow glass micro-beads has radiation shielding performance, so that the material has radiation shielding capability so as to improve the radiation protection effect in adecontamination process.

The invention discloses a purification method for medium-low grade bentonite. The method includes crushing and grinding medium-low grade bentonite mineral powder, sieving with a 200-mesh sieve, mixingthe obtained bentonite powder with deionized water, fully dispersing mineral particles bonded together in the bentonite under the action of mechanical force to prepare a bentonite slurry material, and adding a chemical agent into the dispersed bentonite slurry liquid to remove part of impurities and fully suspending mineral particles in the bentonite; physically purifying the fully-suspended slurry liquid and repeatedly extracting the upper slurry liquid; and then dewatering the upper slurry liquid of the extracted bentonite by a centrifugal method, drying and grinding to obtain bentonite concentrate with higher purity. In the method, HCl and H2O2 are used to remove carbonate and organic matters in the bentonite slurry liquid, and constant-temperature oscillation is assisted to fully react, so that the slurry liquid can be fully suspended, the subsequent physical method has a better purification effect, and the purification efficiency is improved.

The invention relates to the loudspeaker box system technology field and especially relates to a vibration reduction loudspeaker box system. A loudspeaker box body in the vibration reduction loudspeaker box system adopts an electromagnet to suspend a loudspeaker. A foot stand adopts a hollow column which is filled with a cast iron powder. And a top panel is made of a vibration reduction plate. The column, the top panel and a bottom panel are connected and fixed through spot welding. By using the loudspeaker box system, vibration is small and sound quality is good.

The invention relates to the technical field of sound systems and in particular relates to a vibration-damping sound box. According to the vibration-damping sound box, an electromagnet is adopted to keep a loudspeaker suspended; besides, a vibration-damping sound insulation layer is arranged outside a sound box housing; such a sound box is low in resonance and capable of producing good-quality sound.

The invention relates to the technical field of sound systems, specifically to a vibration-reducing loudspeaker box system. A loudspeaker box main body in the vibration-reducing loudspeaker box system adopts electromagnets to suspend a loudspeaker, and a foot stool is a hollow stand column filled with cast iron powder, and vibration reducing legs are arranged at the bottom of the foot stool. The loudspeaker box system is relative small in vibration, and better in tone quality while producing sound.