7results about How to "Guaranteed oxidation effect" patented technology

The invention discloses oxidation equipment for zinc oxide production and a use method thereof, and belongs to the technical field of zinc oxide production. Oxidation equipment for zinc oxide production comprises an oxidation seat fixedly arranged at the top of a kiln and communicated with the kiln, and further comprises an oxidation cavity formed in the oxidation seat, and a mixing mechanism used for mixing zinc steam and air is arranged in the oxidation cavity; the oxidation channel is formed in the oxidation base and communicates with the oxidation cavity, a cutting assembly used for cutting airflow is arranged in the oxidation channel, and the top of the oxidation channel communicates with an air supply pipe; an air inlet pipe is fixedly arranged on the air supply pipe, and the air inlet end of the air inlet pipe is connected with the fan; the zinc vapor contact oxidation air can be filtered, the zinc oxide production quality is improved, the zinc vapor and the air can be rapidly and fully contacted and oxidized, and the oxidation effect and the oxidation efficiency in the zinc oxide production process are effectively guaranteed.

The invention discloses an oxidation treatment device and method suitable for preparation of SiC powder particles for stirring casting, a stirring barrel is rotatably connected to a rack and is driven by a motor to rotate, a heat conduction barrel is coaxially fixed in the stirring barrel, a resistance heater extends into the heat conduction barrel along the axis direction of the heat conduction barrel, an air outlet hole is formed in the resistance heater, and the heat conduction barrel is coaxially fixed in the heat conduction barrel. And wet oxygen supplied by the wet oxygen supply system enters the stirring barrel through the air outlet hole. The low-cost characteristic of the oxidation treatment technology is combined, and low-cost production of the oxidized SiC powder particles can be achieved.

The invention belongs to the technical field of electronic-grade hydrofluoric acid industry, and discloses a preparation method of electronic-grade hydrofluoric acid, which comprises the following steps: conveying industrial-grade anhydrous hydrogen fluoride liquid to the middle part of a rectifying tower, and conveying a high-purity oxidant to the bottom of the rectifying tower; total reflux is used at the top of the rectifying tower, and the uncondensed high-purity oxidizing agent and the oxidizing agent entering from the bottom of the rectifying tower converge and then are recycled; hydrogen fluoride liquid obtained at the bottom of the rectifying tower is conveyed to the upper part of the de-heavy tower; feeding all hydrogen fluoride gas at the top of the de-heavy tower to the lower part of a water scrubber, and feeding ultrapure water from the middle part of the water scrubber; and enabling the condensed hydrogen fluoride liquid part to flow back to the water washing tower, filtering the extracted hydrogen fluoride liquid, and blending with ultrapure water to obtain the final electronic-grade hydrofluoric acid product. According to the method, the equipment investment cost of the reactor is saved, and the circulating oxidant is used for oxidation, so that the usage amount of the oxidant is reduced, the oxidation effect of the oxidant is ensured, and the safety of the production process and the final product quality are improved.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a method and a device for treating wastewater containing high-concentration chlorobenzene and acetone. Wastewater firstly enters a homogenizing tank to be buffered and homogenized and then enters a first-stage oxidation pond from the bottom, an oxidizing agent and an ultraviolet reactor are added into the first-stage oxidation pond to carry out oxidation cycle treatment, and chlorobenzene is subjected to oxidation reaction in the first-stage oxidation pond to be quickly degraded into a non-volatile intermediate product. Acetone and water form azeotrope in the first-stage oxidation pond, the azeotrope is discharged into the condensation tank through a pipeline at the upper part of the first-stage oxidation pond, and acetone gas is condensed into liquid in the condensation tank; on the basis of an existing photocatalytic oxidation process, only an oxidizing agent is added into a primary oxidation pond, chlorobenzene is subjected to rapid photolysis into an intermediate product difficult to volatilize in the oxidizing agent, and meanwhile, an acetone and water azeotrope is formed in the primary oxidation pond by controlling the reaction temperature, so that chlorobenzene and acetone in wastewater are separated.

The invention relates to the technical field of biomedical detection, and relates to a preparation method and application of oxidized low-density lipoprotein. The preparation method of the oxidized low-density lipoprotein comprises the following steps: low-density lipoprotein is subjected to high-frequency ultrasonic treatment under the conditions of 380-430 kHz and 30-45 W, the ultrasonic temperature is 25 DEG C, the ultrasonic time is 5-20 min, and the oxidized low-density lipoprotein is obtained. The method has the advantages of being rapid, efficient and environmentally friendly, the oxidation time is remarkably shortened, and meanwhile the oxidation effect is kept.

The present invention relates to the technical field of aluminum alloy strip preparation, and mentions a method for preparing an aluminum alloy strip for anodized appearance and an aluminum alloy strip, wherein the preparation method comprises: after melting the raw aluminum and the intermediate metal, a semi-continuous casting method is adopted to obtain an ingot, the ingot is sawed and milled, and then the ingot is hot-rolled to obtain a coil; the hot-rolled coil is cold-rolled for 1 to 7 passes to obtain a rolled material of a preset thickness, and the contact arc length L of the rolling deformation zone of each pass satisfies the absolute deformation amount △H of L≤10×△H. The cold-rolled rolled material is subjected to a stretching and straightening process to obtain a finished product. The present application effectively controls the mechanical properties of the strip and the consistency of the longitudinal section grains by controlling the process conditions such as the component composition, hot rolling and cold rolling processes, so that the growth of the oxide film and the unevenness of the oxide film corrosion in the cross-section anodizing process are effectively controlled, thereby playing a positive role in ensuring the cross-section anodizing effect.

The utility model relates to sewage treatment technical field, and disclose a kind of ship ballast water and washing ballast water treatment device, including base, the upper surface of base is respectively fixedly installed with ozone generator, micro-nano bubble generator, catalytic oxidation reactor and clean water pool.The ship ballast water and washing ballast water treatment device, wastewater is mixed gas of ozone generator generation ozone by sewage pipe and enters micro-nano bubble generator, micro-nano bubble generator generation micro-nano bubble containing ozone and oxygen and wastewater enter catalytic oxidation reactor together and carry out oxidation reaction, in catalytic oxidation reactor, micro-nano bubble carries out oxidation treatment to wastewater and kills bacteria, and the wastewater after oxidation treatment is filtered by ceramic membrane assembly, macromolecular organic matter and insect egg etc. in wastewater are intercepted in reactor, and the water after treatment enters clean water pool, realize the effect that ship ballast water is treated sufficiently.