A paste saturation concentration measuring device and its application method
A concentration measurement and paste technology, applied in the field of tailings paste disposal experiments, can solve problems such as inaccurate solutions, and achieve the effects of no power consumption, simple production, and ingenious methods
Active Publication Date: 2015-08-12
UNIV OF SCI & TECH BEIJING +1
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Problems solved by technology
This method can overcome the defects of slow or inaccurate solution of traditional saturation concentration, and provide engineering suggestions for reasonable underflow concentration of deep cone thickener
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[0021] (1) The added mass in the material barrel is m s tailings dry material, the total mass of the experimental base and ultra-white filter paper (bottom structure) is m D1 . And weigh the mass of the whole device including tailings dry material as m 0 (not including stirring bar mass);
[0022] (2) Slowly add water while stirring, add water m s The paste is generally not saturated, so the former m s g water is added using a beaker, and then water is added using a burette to control the speed of water addition until the titration observation cylinder observes water dripping, which means it reaches a saturated state instantly. Weigh the mass of the whole device at this moment (including tailings, water, excluding stirring rod) as m 1 , the weight of the bottom structure is m D2 , then the amount of water added to the tailings in the whole process is m 1 -m 0 -(m D2 -m D1 ), the amount of water added at this time is more accurate;
[0023] (3) Calculate and measure ...
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Abstract
The invention relates to a paste saturation concentration measurement device and a use method thereof, belongs to the processing field of paste of tailings and aims to solve the defect that a traditional saturation concentration solving manner is slow or inaccurate. The device is characterized in that an experiment pedestal (1) is located at the bottommost part of the device, ultra-white filter paper (2) is paved on the upper surface of the experiment pedestal (1), a dripping observation cylinder (3) presses on the ultra-white filter paper (2), a support plate (4) is fixed on the top of the dripping observation cylinder (3), water filtering meshes (5) are uniformly formed in the support plate (4), a connecting cylinder (6) is located on the top of the support plate (4) and is fixed with the support plate (4), a double-layer medical cotton yarn (7) is flatly paved on the surface of the support plate (4), a material containing cylinder (8) is embedded into the inner side of the connecting cylinder (6) and is pressed by the medical cotton yarn (7), a stirring rod (9) is used for stirring the tailings, and water is added cooperatively by a measuring cylinder and a burette. The device is integrally made of organic glass, and all members are connected with one another in fixation and embedding manners, so that the device is convenient to machine, easy to operate, convenient to use and is small in volume.
Description
technical field [0001] The invention belongs to the experimental research field of tailings paste disposal, mainly aims at the definition of paste saturation concentration, is applicable to the measurement of paste saturation concentration of different aggregates, and is especially significant for the prediction of fine-grained tailings paste concentration. Background technique [0002] Tailings paste disposal technology has huge environmental and social benefits, and is a major development direction for future industrial waste utilization. The paste is characterized by no segregation, no precipitation, and no dehydration. Only when the aggregate reaches or is close to the saturation concentration, the aggregate gap is just filled with water, and the aggregate at this concentration will have these characteristics. [0003] According to the applicant's understanding, the definition of paste concentration mainly depends on the indirect calculation of other indicators such as y...
Claims
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IPC IPC(8): G01N5/02
Inventor 吴爱祥王勇王洪江尹升华王贻明韩斌
Owner UNIV OF SCI & TECH BEIJING