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Mobile crushers can also be called mobile crushing plants, mobile crushers, etc. It is an inevitable product of high-tech crushing technology in the new era, and its main features are that it can be operated mobilely, can walk freely, and is more convenient for transitions, ensuring that the equipment While the production is safe, the work process is more reliable.
·Dry Spinning Disc Granulation DSDG process has been experimentally tried widely for the granulation of Blast Furnace BF slag with the recovery of heat from the high temperature slag
·Dry centrifugal granulation DCG experiments for blast furnace slag BFS were performed by means of a rotary disk atomizer since water quenching method can create a series of problems The results showed that the DCG method can granulate the BFS but the results are easily affected by the slag flow rate disk rotating speed disk radius disk material and slag
This technology is particularly environmentally the of LF slag the fast cooling prevent the well know problem of slag shattering into very fine powder In general the dry granulation process conserves resources avoiding direct or indirect use of water and prevents the formation of contamination wastewater and the associated treatment costs
·Dry granulation as a new process of molten blast furnace slag BFS treatment is an attractive alternative to water quenching The performance of BFS obtained from dry granulation must be assessed The glass content which is a significant factor to evaluate the performance of BFS as a replacement material for Portland cement was investigated using
·A dry granulation experiment was done by means of a rotary cup atomizer for blast furnace slag instead of the currently used water quenching process because it is unable to efficiently recover the
： Paul Wurth has approached the topic of dry slag granulation with a simple but effective method in which where steel spheres and liquid slag are mixed to achieve fast cooling of the blast furnace slag while creating a product with highest possible energy
·Between 1979 and 1981 Swedish group Merotec a subsidiary of the State Steel Company developed a process for dry slag granulation based on mechanical disintegration of a liquid slag film by impinging particles Copper slag waste as a supplementary cementing material to concrete Journal of Materials Science 42 2007 pp 2226 2230
Characterization and evaluation of the pozzolanic activity of granulated copper slag modified with CaO J Clean Prod 232 2019 pp 1112 1120 View PDF View article View in Scopus Google Scholar [17] Design and operation of dry slag granulation pilot plant J Sustain Metal 5 2019 pp 181 194 Crossref View in Scopus Google
·Keywords molten slag dry granulation heat recovery kinetics sulphur transfer dynamic wetting and spreading 1 Introduction Each year hundreds of millions tonnes of slags are produced as byproducts of ferrous and nonferrous metallurgical industries worldwide These molten slags contain vast quantities of thermal energy and are usually
·To address this issue dry slag granulation DSG technology has been proposed to recover the waste heat from molten slag Before commercial implementation the sustainability and feasibility of the DSG should be well assessed Reductive roasting mechanism of copper slag and nickel laterite for Fe Ni Cu alloy production Journal of
·Blast furnace slag obtained from water quenching is generally used for cement production However harmful waste such as SO 2 H 2 S and heavy metals is discharged into the surrounding environment after water quenching Dry granulation is an environmentally friendly treatment and the performance of dry granulation slag cement is investigated in the study
·This study investigated the size distribution of slag particles obtained from the dry granulation of molten slag In addition the effect of using the slag obtained from dry granulation in slag cement blends was analyzed All the results showed that there was a wide size distribution range of blast furnace slag particles in ligament formation
· Effect of Prolonged Grinding A sample of water granulated copper slag from Boliden Rönnskär Sweden was used in the present study The slag was a fumed and settled iron silicate copper slag sampled after the dewatering process as illustrated in the flow sheet of Isaksson et al [] The chemical composition of the slag was determined by X ray
·For dry granulation of blast furnace slag although some pilot testing had been performed there was no application in metallurgical industry Due to the difference in density viscosity and surface tension the granulation characteristics are different Granulation characteristics of copper slag were studied by Liu There was just a small
·As calculation example 1000kg copper slag is used in this paper The results showed that the exergy efficiency and exergy loss of WQ method are % and −947 MJ respectively By WQ method energy quality of molten copper slag is discounted Copper slag particles should be fast cooled during granulation process
Fayalite is the main phase of copper slag and a type of Fe silicate glass that is composed of a polymerized network of silicate tetrahedrons in which SiO 2 and FeO are generally considered as network formers and modifiers respectively The structure of fayalite is shown in Fig 13 [107] In iron silicate glass O 2− exists in the form of bridging and non bridging oxygens BOs and
·The LD/BOF slag in its granulated form has many applications in construction industry as reviewed by Das et al [] like roads railway track ballasts road stones broadly classified methods of slag granulation as discussed by Jahanshahi et al in 2011 [] and in 2012 [] are wet and dry granulation these the Dry Slag Granulation DSG
·FIG 2 Pilot scale dry granulation atomization apparatus with raised induction furnace housing graphite crucible Slag is tapped below onto a rotating copper disc and the solidified slag
RD spectra of dry granulated slag resulting from pilot scale test kg at 1450°C/1600 rpm Note the high glassy content of the granules average 97 per cent as indicated by the amorphous
·The fayalite type slags produced by the copper/nickel smelting and converting processes are not cementitious and their uses include abrasive material for sandblasting and ball milling The next work by Cooksey et al provides an overview of the design and operation of a dry slag granulation pilot plant at CSIRO This overview covers some
Our dry slag granulation technology involves pouring molten slag from above our rig down to a spinning disc That disc is spinning at high speed and it atomises the molten slag into small granules [Image changes to show molten slag being atomised and collected in the taurus]
Recovery and utilisation of waste heat in the slag via dry slag granulation and offgas streams from the smelting step was also included in the study with the waste heat being utilised either for thermal applications or electricity generation Thurlby J Norgate T Trang S Smith L and Jahanshahi S Copper recovery from direct copper
·G Bisio Energy recovery from molten slag and exploitation of the recovered energy Energy 22 1997 501â 509 [46] L Junxiang Y Qingbo Z Zongliang Y Fan D Wenjun Q Qin Blast furnace slag obtained from dry granulation method as a component in slag cement Construction and Building Materials 131 2017 381â 387 [47] H
·In the heat recovery technology of molten slag granulation gas quenching is one of the most promising and crucial technologies for high quality resource utilization This study performed numerical investigations on the slag granulation process through the realizable k epsilon model and volume of fluid methodology and gained deep insight into the breakup
·In foreign countries the investigations of the possibility of dry granulation of slags are carried out for a long time According to this procedure hot slags contact with cooling gases in particular with air [6 10] The installa tions for slag dry granulation ISDG prove to be much more efficient because they enable us to almost completely
·This paper focuses on an experimental study of dry slag granulation process using an analogue for BF slag a mixture of rosin and paraffin wax This analogue can be used to experimentally study dry slag granulation at a relatively low temperature of 130 °C compared to BF slag at 1500 °C Different ranges of operating conditions in terms of
