8results about How to "High purification precision" patented technology

The utility model discloses a photovoltaic production organic matter adsorption box, including adsorption box body, the adsorption box body is equipped with the air inlet and the air outlet who arranges relatively, still include adsorption filter component and fire control subassembly, the utility model discloses adsorption filter component adopts the secondary processing structure of filtration and adsorption to improve the purification precision in coordination, the filter first pretreats particulate matter and other impurities in flue gas, reduces the subsequent active carbon filling's jam risk, active carbon filling places in layers through the spacing arrangement of filler frame, has increased the contact area with flue gas, has prolonged the adsorption path, has improved organic matter adsorption efficiency significantly. The spray pipe of fire control subassembly is arranged accurately between adjacent filler frame, cooperates interval setting and sprays, can carry out directional spraying to active carbon filling gathering area, and the fire extinguishing range covers the key fire risk point, compares integral type spray structure and extinguishes fire more accurate, responds more quickly.

The ultra-pure compressed air supply system in the optical lens storage facility comprises a machine box arranged on the periphery of a warehouse, and an air compressor, a first buffer tank, a drying machine, a filtering assembly and a second buffer tank which are sequentially connected through a first air pipeline are arranged in the machine box; the air outlet end of the first air pipeline is communicated with a fold line coil pipeline in the warehouse, a sensor assembly and a purifier are sequentially arranged on the fold line coil pipeline, and purified gas is shunted and conveyed into optical equipment through a second air pipeline. According to the scheme, the ultra-pure compressed air supply system is designed according to the storage requirement of a specially-customized lens, the heatless regeneration adsorption type drying machine is combined with the purifier, ultra-low-humidity air is provided, and the lens is prevented from being mildewed or oxidized; the broken line disc pipeline and flow division design can be flexibly arranged according to the warehouse layout, and the large-area or multi-area gas supply requirement is met; the diaphragm valve and the two-stage pressure reducing valve precisely control airflow distribution, and the gas utilization requirements of different optical devices are met.

The utility model relates to aluminum pole cleaning technical field discloses a kind of aluminum pole surface cleaning device, comprising: cleaning tank, two cleaning rollers are symmetrically installed in the inside of cleaning tank, the surface of cleaning roller is fixedly connected with brush, motor is fixedly installed in the both sides of cleaning tank, the output end of two motor is fixedly connected with synchronous wheel. The utility model is through the cooperation of cleaning tank, guide pipe, water tank and other parts, not only can thoroughly remove the residual dirt in the oxide skin, dirt and fine scratch on the surface of aluminum pole, but also can ensure that the cleanliness of each part of aluminum pole is highly consistent, effectively avoid the problem of local leak washing and uneven cleaning in traditional cleaning method, provide high-quality surface basis for subsequent processing of aluminum pole, reduce the product rejection rate caused by insufficient surface cleanliness.

The utility model discloses a double-filter-element filter and relates to the technical field of filters. Comprising a filter, the filter comprises a filter cartridge, a main filter element and an auxiliary filter element are arranged in the filter cartridge, a main water inlet and a first purified water outlet which correspond to the main filter element and the auxiliary filter element respectively are formed in the top of the filter cartridge, and a second purified water outlet located between the main filter element and the auxiliary filter element is formed in one side of the filter cartridge; and a central supporting pipe is also arranged in the filter cartridge. The effective filtering area is remarkably increased through the multiple annularly-distributed main filter elements, the auxiliary filter elements achieve uniform distribution of secondary filtering water flow through the annular water inlet holes, the contact time is prolonged through cooperation of the auxiliary filter elements and the independent filter cavities, and the water purification precision is improved through double filtering; the drainage cover is quickly disassembled and assembled by matching the hinged semicircular hoop with the locking screw rod, the main filter element and the auxiliary filter element are pulled out for replacement, the maintenance time is shortened, pipeline disassembly is completely avoided, and the use is more convenient.

The application discloses a kind of applied in nonpolar organic system removal divalent mercury ion mercapto activated carbon and preparation method, belong to the technical field of demercuration.The method includes: first, activated carbon is contacted with strong oxidizing acid, and the surface of activated carbon is oxidized and modified, and pre-modified activated carbon is obtained;Afterwards, pre-modified activated carbon is placed in buffer solution, and is activated and handled;Afterwards, amidinothiourea is added to carry out coupling reaction, and activated carbon intermediate is obtained;Activated carbon intermediate is placed in organic solvent system containing mercaptan donor, catalyst and dehydrating agent, and is reacted under sealing and heating condition, introduces mercapto functional group, and obtains crude product modified activated carbon;Crude product modified activated carbon is stabilized by using antioxidant reagent, and is obtained.The mercapto activated carbon prepared by the application can significantly improve the removal efficiency of divalent mercury ion in nonpolar organic system.

The invention discloses a multi-stage purification treatment device for magnesite purification wastewater, and relates to the technical field of magnesite purification wastewater treatment.The multi-stage purification treatment device comprises a first-stage sedimentation tank, a second-stage sedimentation tank and a third-stage sedimentation tank, a separation assembly is arranged between the second-stage sedimentation tank and the third-stage sedimentation tank, and an electrolytic activation cavity is formed below the separation assembly; and a return pipe is arranged on the bottom wall of the electrolytic activation cavity. Through the design of stepped screening, triple separation and electrolytic activation, efficient recovery and cyclic reuse of an adsorbent are achieved, and the cost of consumables is reduced; and through progressive impurity removal of aperture interception, density separation and magnetic interception, impurities are precisely separated step by step while blockage of a filtering element is avoided, the wastewater purification precision and the subsequent treatment efficiency are improved, the problems that the adsorbent is disposable, the impurity separation is not thorough and the wastewater treatment cost is high are solved, and the adsorbent does not need to be treated off line.

The invention discloses a slurry purifying and filtering device and system.The liquid inlet end and the liquid outlet end of the filtering device are connected with a first two-way fluid driving unit and a second two-way fluid driving unit respectively, the filtering device comprises a thickening body, supporting nets, filtering membranes, convex edges and a cylinder, and the multiple layers of supporting nets and filtering membranes are arranged in a space defined by the thickening body, the convex edges and the cylinder; one end of the cylinder is open and fixedly connected with the convex edge in a threaded mode, the convex edge is connected with the thickened body, the supporting net is connected with the convex edge and divides a cavity formed by the thickened body and the cylinder into an inner cavity and an outer cavity, a liquid flow channel is formed in the thickened body and connected with the inner cavity, and an anti-blocking gap is reserved. The filtering system comprises the filtering device, a bidirectional fluid driving module and an ultrasonic enhanced backwashing module. Through the multi-layer nested structure and standardized interface design of the quick-release filtering functional component, quick switching and free matching of the thickness degree of the filter screen are realized, and the filter screen can be flexibly connected in series, is adaptive to purification scenes of different working conditions and is high in purification precision.

This invention discloses a coal mine geological water control device and method, comprising: a first water purification component and a second water purification component. The first and second water purification components share a common inlet pipe at their top ends, one end of which extends into the mine shaft. The first and second water purification components share a common drain pipe at their bottom ends, one end of which is equipped with a pump. The first water purification component includes a filter element connected to the inlet and drain pipes, and the filter element contains a sealing element that cuts off the connection between the inlet pipe and the filter element. This invention enables fully automatic filtration of solid impurities in mine water, as well as the circulation of slag and wastewater, without the need for manual shutdown and equipment disassembly for impurity removal. It can stably intercept pollutants such as mud, sand, and ore fragments in mine water, continuously completing primary purification of mine water. It adapts to the complex and variable water inflow conditions underground, effectively ensuring the continuity of mine water treatment operations, significantly improving mine wastewater purification efficiency, and reducing equipment blockage caused by impurity accumulation.