5results about How to "Reduce mud content" patented technology

The invention discloses a high-efficiency multiphase flow classification and separation integrated treatment method for argillaceous sandstone uranium ore. The crushed argillaceous sandstone uranium ore mixed material is sequentially subjected to hydraulic polishing and cluster breaking treatment, high-frequency linear vibration grading treatment, first-stage multiphase flow rotational flow grading treatment, deep low-frequency efficient ultrasonic scrubbing treatment, second-stage multiphase flow rotational flow grading treatment, jet flow uniform mixing treatment, micro-current activating treatment, hardening and tempering thickening and efficient squeezing solid-liquid separation treatment. According to the invention, mud and sand deep stripping and material fine grading separation of the crushed argillaceous sandstone uranium ore are realized, meanwhile, the fine-particle argillaceous material is subjected to efficient uniform mixing activation and deep efficient dehydration, and four core materials, namely a coarse sand material, a fine sand material, tailing dry slag and a high-concentration uranium ore leaching solution, are finally formed through continuous work; finally, efficient multi-phase flow fractional separation, concentration and purification treatment of the argillaceous sandstone uranium ore is achieved, residues of uranium elements in tailings are reduced, and the deep extraction rate of uranium ore resources is increased.

The invention discloses an energy-gathered ultrasonic scrubbing device and an argillaceous sandstone uranium deposit deep desliming system. The energy-gathered ultrasonic scrubbing device comprises a scrubbing barrel, a reverse stirring system, an energy-gathered ultrasonic vibrator and a slurry storage tank, the reverse stirring system is located in the scrubbing barrel and comprises a rotating shaft and at least four layers of reverse stirring blade structures arranged in the axial direction of the rotating shaft, each layer of reverse stirring blade structure comprises a plurality of blades arranged in the circumferential direction of the rotating shaft, and the inclination directions of the blades of every two adjacent layers of reverse stirring blade structures relative to the rotating shaft are opposite; the energy-gathered ultrasonic vibrator comprises an ultrasonic transduction device and an energy-gathered vibration conduction rod, the ultrasonic transduction device is fixed outside the scrubbing barrel, and the energy-gathered vibration conduction rod is connected with the ultrasonic transduction device and located inside the scrubbing barrel; and the discharge hole of the overflow slag discharge pipe of the scrubbing barrel directly guides the slurry to the slurry storage tank. According to the invention, mud-sand deep separation is realized under the combined action of multi-phase flow channel high-pressure scrubbing and low-frequency high-energy ultrasonic vibration, so that deep desliming of argillaceous sandstone uranium ore is realized.

The present invention discloses an integrated treatment method for efficient multiphase flow grading and separation of muddy sandstone uranium ore, wherein the crushed mixed material of the muddy sandstone uranium ore is subjected to hydraulic washing and deagglomeration treatment, high-frequency linear vibration grading treatment, primary multiphase flow cyclone grading treatment, deep low-frequency high-efficiency ultrasonic scrubbing treatment, secondary multiphase flow cyclone grading treatment, jet mixing treatment, microcurrent activation treatment, tempering and concentration, and efficient squeezing solid-liquid separation treatment in sequence. The present invention realizes deep stripping of mud and sand of the crushed muddy sandstone uranium ore, fine grading and separation of materials, and at the same time, efficiently mixes and activates fine-grained muddy materials and dehydrates them deeply and efficiently. Four core materials are finally formed through continuous work, namely, coarse sand material, fine sand material, tailings dry slag and high-concentration uranium ore leaching solution, and finally realizes efficient multiphase flow grading, separation, concentration and purification treatment of muddy sandstone uranium ore, reduces the residual uranium element in the tailings, and improves the deep extraction rate of uranium ore resources.

The invention discloses a method for preparing precoated sand by using cast steel waste sand, and belongs to the technical field of casting, and the method comprises the following steps: preparing regenerated sand by using the cast steel waste sand, heating the regenerated sand, sequentially adding alumina sol, phenolic resin, urotropine and calcium stearate into the heated regenerated sand in a stirring environment, and mixing to obtain the precoated sand. The method has the beneficial effects that the steel casting waste sand is used for preparing the reclaimed sand, so that the steel casting waste sand is recycled, the production cost is saved, and meanwhile green production is achieved; and the prepared reclaimed sand has the excellent properties of lower expansion coefficient, lower acid consumption value and the like, and can be matched with other components of the precoated sand to generate a better effect during production of the precoated sand.

The utility model relates to a kind of smelting flue gas purification waste acid treatment device, purpose is to solve overflow weir and its pipeline frequent acid mud blockage, uneven liquid distribution technical problem.Technical scheme is as follows:it includes inclined plate settling tank filter press, 2# filtrate storage tank, gas cooling tower filter press, inclined plate settling tank is connected with inclined plate settling tank filter press, inclined plate settling tank filter press is connected with 2# filtrate storage tank, 2# filtrate storage tank is connected high-level tank, high-level tank is connected overflow weir, gas cooling tower filter press is located in gas cooling tower side, gas cooling tower is connected to cooling tower filter press, cooling tower filter press is connected 2# filtrate storage tank by 2# three-way valve one end, and other end is connected gas cooling tower, cooling tower filter press is connected bin, 1# three-way valve is arranged between inclined plate settling tank and inclined plate settling tank filter press, 1# three-way valve third mouth is connected gas cooling tower filter press.The utility model can keep overflow weir pipeline smooth liquid uniform, improve gas cooling tower cooling effect, prevent metal loss.