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21. 发明专利

AU2021206923A1 METHOD FOR PREPARING SAND AGGREGATE BY USING FERROMANGANESE SILICON HOT SLAG AND APPLICATION THEREOF 未知
公开(公告)号：AU2021206923A1
公开(公告)日：2022-06-23
申请号：AU2021206923
申请日：2021-07-26
申请人： NINGXIA JIYUAN JUNTAI NEW MATERIAL TECH CO LTD , NINGXIA JIYUAN METALLURGICAL GROUP CO LTD , UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： WU PENGFEI , MO JUNHONG , ZHANG SUXIAN , ZHANG SIQI , NI WEN , YANG JIAQING , ZHANG YANBIN
IPC分类号： C04B18/14 , C04B20/02 , C04B20/04
摘要： A method for preparing sand aggregate by using ferromanganese silicon hot slag is disclosed. A heat-insulating mold body with a top opening and an overall trapezoidal groove body structure, and a heat-insulating cover capable of covering the opening are used as the mold. A liquid ferromanganese silicon hot slag produced in a production of ferromanganese silicon is poured into the mold body. The heat-insulating cover is covered to the opening of the mold body. After demolding, a pouring block is obtained after standing for 12-36 h. The pouring block is three-stage crushed, and a pulverized material is obtained. The pulverized material is sieved to remove particles and powders whose particle size does not meet requirements, and a coarse or fine aggregate is obtained. And the coarse or fine aggregate is fed into a sand making machine to produce a sand aggregate suitable for use in the concrete or sand mortar. - 1/3

22. 发明专利

GB2585754B Underwater image enhancement method and enhancement device 未知
公开(公告)号：GB2585754B
公开(公告)日：2022-06-01
申请号：GB202006954
申请日：2020-05-12
申请人： UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： XIAOMING MA , ZHEHAN CHEN
IPC分类号： G06T5/00 , G06T5/50 , H04N1/60 , H04N9/64 , H04N9/73
摘要： An underwater image enhancement method comprises: acquiring 101 an original underwater image, and establishing an underwater optical imaging model according to the characteristics of underwater imaging; sharpening 102 the original underwater image using a dark channel prior defogging algorithm that performs linear programming on the transmittance component of the model, to perform contrast enhancement and obtain a first sharp image; correcting 103 the colour of the original underwater image by using a gray world algorithm to obtain a second sharp image; and fusing 104 the first sharp image and the second sharp image by using an image fusion algorithm based on wavelet transform to obtain a restored underwater image. The contrast enhancement process to obtain the first sharpened image may comprise down-sampling the original underwater image, calculating a dark channel and transmittance image by using the down sampled image, and reconstructing the dark channel and transmittance image by means of bilinear interpolation. The image fusion process may comprise the use of a Haar wavelet basis and an inverse wavelet transform.

23. 发明专利

ZA202204065B A PILOT-SCALE MULTI-FUNCTIONAL CEMENTED PASTE BACKFILL TEST PLATFORM AND A TEST METHOD 未知
公开(公告)号：ZA202204065B
公开(公告)日：2022-05-25
申请号：ZA202204065
申请日：2022-04-11
申请人： UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： WU AIXIANG , WANG SHAOYONG , WANG HONGJIANG , RUAN ZHUEN , WANG JIANDONG

24. 发明专利

RU2770396C1 СПОСОБ КОНЦЕНТРИРОВАНИЯ МЕТАЛЛОВ ПЛАТИНОВОЙ ГРУППЫ В ОТРАБОТАННОМ КАТАЛИЗАТОРЕ НА ОСНОВЕ АЛЮМИНИЯ ПИРОМЕТАЛЛУРГИЧЕСКИМ МЕТОДОМ 未知
公开(公告)号：RU2770396C1
公开(公告)日：2022-04-15
申请号：RU2021121113
申请日：2021-02-01
申请人： UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： DING YUNJI , ZHANG SHENGEN
IPC分类号： C22B11/02 , C22B7/00
摘要： Изобретениеотноситсяк извлечениюметалловплатиновойгруппы (МПГ) ипредставляетсобойспособконцентрированияметалловплатиновойгруппыв отработанномкатализаторенаосновеалюминияпирометаллургическимметодом. Отработанныйкатализаторсмешиваютс коллектором, вкачествекоторогоиспользуютпорошокжелеза, вколичестве 5-40 мас. % отмассыотработанногокатализатора, приэтомиспользуютшлаковуюсистемуСаО-Al2O3-Fe2O3-В2О3, причеммассовыедолиСаО, Al2O3, Fe2O3иВ2О3всистемесоставляют 35-50%, 40-60%, 5-10%, ≤10% соответственно, асуммаСаО, Al2O3, Fe2O3иВ2О3≥90%. Послечегополученнуюсмесьвыплавляютпритемпературе 1500-1800°Си парциальномдавлениикислорода≤10-3атмс получениемпослеотделенияшлаковогорасплаваотжелезасплава Fe-МПГ. Способпозволяетэффективноразделятьшлаковуюфазуи ферросплавпривысокомкоэффициентеизвлеченияметалловплатиновойгруппы. 3 з.п. ф-лы, 1 ил., 16 пр.

26. 发明专利

AU2021105354A4 A cemented filling method by mineral carbonation of tailings 未知
公开(公告)号：AU2021105354A4
公开(公告)日：2021-10-14
申请号：AU2021105354
申请日：2021-08-12
申请人： UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： LI JIAJIE , NI WEN , JIN XIN , ZHAO SHAOWEI , ZHU SITAO , JIANG FUXING
IPC分类号： C04B40/02 , C04B7/153 , C04B18/12 , C04B28/02 , C04B111/00 , E21F15/00
摘要： The invention provides a cemented filling method by mineral carbonation of tailings, which belongs to the technical field of industrial wastes utilization. Solid wastes with high calcium and/or magnesium content and low hydration activity were selected as cementitious materials. Firstly, the cementitious materials are crushed, ground, and fully mixed with tailings, water and addictive to prepare the filling slurry. Secondly, the filling slurry is transported to the mine out area by a pipeline. After the goaf is filled, the filling area is sealed and blocked. Thirdly, CO2 is injected into the closed filling area to curing the filling body. Finally, real time monitoring on the status of solid, liquid, and gas at the surrounding rocks and filling body is carried out during the process of carbonation curing, to make sure the stability of surrounding rocks and the meeting the requirements of back and fill mining method. The cementing materials used in this invention were solid wastes that has high calcium and magnesium content, low hydration activity and little utilization rate. It greatly reduces the cost of raw materials used in cemented filling mining method. The invention is a cemented filling method by mineral carbonation of tailings, which has the advantages in simple process, low cost and environmentally clean. %AF Figure 1 5 17 Hl rr _cr r r _LLIL -LLLLLL -LLLLLL -LLLLLL -L-L" LLLLLL [ , _LL- LLLLLL _LIILLL _LLLILL _LLLLLL ___LLLLLL LILLLL _LLLLLL LLLLLL -LLLLLL,,., LLLLLL LLLLLL -LLLLLLL -LLLLLLL ,LL -L-L _LLLLLL- _LLLLLL _LIILLL _LLLILL _LLLLLL LLLLLL LLLLL ..-LLLLLL -LLLLLL,,.,-ILLLLLL _LLLLLL LLLLLL _L_ -ILL ',':LILLLL LLLLLL ±LLLL.LL L"LLL LLLLL -LLLLLL LLLLLL 'LLLLLLL _LLLLLL LLLLLL LLLLLJ. LLLLLL -LLLLLLLL _LLLLLL _ LLLLLL _LIILLL _ LLL__L ..,_L-LLL _LLLLLL ILLLILL LLLLLL LLLLLL _LLLLLL -L-L _LLLLLL -LLLLLL ILLLLLL _LLLLLL LLLLLL _LLLLLL ''-LLLLLL ILLLILL LILLLL _-LLLLLL ILLLLLL ___ LLLLLL LLLLLL _L_ ±LL-L L-LLL _LLLLLL ILLLLLL LLLLL LLLLLL LLLLLL LLLLLL -LL-L,,_LLLLLL _LLLLLL _LLILLLLLLLLL -LLLLLL LLLL L -IL LLLLLL LLLLLL LIILLL LLLIlL LLLL -.-LLLLLL ILLLILL LLLLLL LLLLLL __LL LLLLLL _LLLLLL -L-L L LLLL LLLLLL ,-ILLLLLL LL,,LLLL, L 'LL 'LLLLLLLLLLLLLLi, LLLLLLILLLLLl L LL L -ii:_J L LL 'Lli 9 Figure 2

27. 发明专利

ZA202105070B SLAG DESIGN METHOD FOR IRON TRAPPING OF PLATINUM GROUP METALS FROM SPENT CATALYSTS 未知
公开(公告)号：ZA202105070B
公开(公告)日：2021-08-25
申请号：ZA202105070
申请日：2021-07-19
申请人： UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： ZHANG SHENGEN , DING YUNJI
摘要： The present application relates to the technical field of recycling of platinum group metals, and provides a slag design method for iron trapping of platinum group metals from spent catalysts. Based on the requirements of easy separation of a slag phase and an iron phase and a low content of platinum group metals in the slag, the ranges of viscosity and density of the slag phase when iron droplets settle completely are determined by analyzing the movement trajectory of the iron droplets in the smelting slag, and the slag type is simulated and determined by thermodynamic software. According to the principle of minimum slag, a slag former is added to design a slag type with a low melting point and a low viscosity of the slag phase, which improves the separation efficiency of slag and iron, reduces the content of platinum group metals in the slag and realizes efficient collection of platinum group metals. The slag design method provided by the present application has a wide application range, is suitable for platinum group metals catalysts with cordierite, alumina, zeolite and silica as carriers, can simultaneously treat parts of solid waste cooperatively, has a good effect of separation between the designed slag phase and the iron phase, has the advantages of low cost, high recovery rate of platinum group metals and the like, and is suitable for industrial production.

28. 发明专利

ZA202105069B METHOD FOR PYROMETALLURGICAL CONCENTRATION OF PLATINUM GROUP METALS FROM SPENT ALUMINA-BASED CATALYSTS 未知
公开(公告)号：ZA202105069B
公开(公告)日：2021-08-25
申请号：ZA202105069
申请日：2021-07-19
申请人： UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： DING YUNJI , ZHANG SHENGEN
摘要： The present application relates to the technical field of platinum group metals (PGMs) recovery, providing a method for pyrometallurgicalconcentration of platinum group metalsfrom spent alumina-based catalysts. For an Al 2 O 3 supported spent catalyst, a method for pyrogenic iron collection of platinum group metals is disclosed, using a CaO-Al 2 O 3 -Fe 2 O 3 -B 2 O 3 slag system to achieve highly efficient concentration of platinum group metals via slag iron separation, avoiding CaO-MgO-Al 2 O 3 -SiO 2 slag systemfrom producing poorly soluble platinum group metals-ferrosilicon alloys, increasing recovery of platinum group metals. The present application is characterized by low slag content, silicon-free Fe-PGMs alloy, high recovery efficiency and low cost, and is suitable for industrial production.

29. 发明专利

AU2020104368A4 Cement Filling Material for Co-solidifying Antimony and Preparation Method Thereof 未知
公开(公告)号：AU2020104368A4
公开(公告)日：2021-03-18
申请号：AU2020104368
申请日：2020-12-29
申请人： UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： NI WEN , GAO WEI , LI YUNYUN , WANG KE , YAN QIHUI , ZHANG YUYING
IPC分类号： C04B18/04 , B09B1/00 , B09B3/00 , C04B14/06 , C04B18/02 , C04B24/08 , C04B24/16 , C04B24/18 , C04B24/22 , C04B24/26 , C04B28/08 , C04B28/14
摘要： The invention relates to a cement filling material for co-solidifying antimony and a preparation method thereof, and belongs to the field of environmental protection of mine cement filling, solid waste resource utilization and synergetic treatment for antimony containing solid wastes. The preparation method comprises the following steps: milling the required raw materials, i.e., steel slag, desulfurization gypsum and blast furnace slag, with 0.01%-1% of moisture content according to the dry basis weight percentage of 45%-80%, 5%-20% and 10%-40%, milling independently or milling by mixed powder until the specific surface area is 200-600 m /Kg, and uniformly mixing to obtain a cementing agent; drying the antimony-containing solid wastes until the moisture content is 0.01%-1%, grinding to the specific surface area of 100-1000m /Kg, according to the weight ratio of the cementing agent/aggregate of 1/8-1/2, the weight ratio of the antimony-containing solid wastes/(cementing agent + aggregate) of 1/100-1/2, adding 0%-1% of water reducing agent, until the mass fraction of slurry is 65%-82%, and uniformly stirring to obtain the qualified mine cement filling material. The preparation method provided by the invention has the advantages of simple and easy operation, low energy consumption, low cost, no new solid waste generation, less environmental pollution and environmental protection.

30. 发明专利

CA3100012A1 MULTI-DEGREE-OF-FREEDOM AUTOMATIC CENTER-ADJUSTING DEVICE, HYDRAULIC QUICK-COUPLING DEVICE, AND RESCUE EQUIPMENT 未知
公开(公告)号：CA3100012A1
公开(公告)日：2021-01-25
申请号：CA3100012
申请日：2020-11-19
申请人： UNIV BEIJING SCIENCE & TECHNOLOGY
发明人： MA FEI , JI CHUN , LIU YUCHAO , SHEN YANHUA , GAO LULU
IPC分类号： F15B21/00 , E02F3/36
摘要： A multi-degree-of-freedom automatic center-adjusting device, a hydraulic quick-coupling device, and rescue equipment are provided. The automatic center-adjusting device includes an active coupling valve set, a spring, and a dynamic adjustment swing rack. A first end of the dynamic adjustment swing rack is fixed to operation tools, and a second end of the dynamic adjustment swing rack is connected to the active coupling valve set through the spring. The dynamic adjustment swing rack includes a frame, a limit slot, and a spring limit cylinder, wherein the frame is used to support and fix the active coupling valve set, the limit slot is used to define a limit activity position of the active coupling valve set, and the spring limit cylinder is used to constrain the spring. The automatic center-adjusting device is used to solve technical problems of position errors and a center mismatch in a coupling process.

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