Cost Inflation Index for FY 2020, The formula to calculate the cost inflation index is as follows: Cost Inflation Index (CII) = CII for the year the asset was transferred or sold / CII for the year the asset was acquired or bought Suppose, you purchased an apartment for Rs20 lakhs in Jan 2000 and sold it for Rs35 lakhs in Jan 2009 Your profit or capital gain is Rs15 lakhsBond Work Index, The Bond work index is not solely a material constant but is influenced by the grinding conditions For example, the finer the grind size desired, the higher is the kWh/t required to grind to that size Magdalinovic  measured the Bond work index of three ore types using different test screen siz He produced a correlation between the mass of test screen undersize per revolution, G, and ,Crusher Plant Production Calculation, Power calculations crusher power calculations crusher crushing work index calculation crushing screening apr 4 2017 we have an existing plant and i want to calculate the cwi based on the motor power hammer crusher yet a complete theory formula usually , Calculate the operating cost for a stone crushing machine s calculation of operating cost ,Design, Fabrication and Testing of a Double Roll Crusher, work index, capacity and the reduction ratio Adopting Gupta and Yan  the power is given by, P = QR dw i where Q = crushing capacity, Rd = reduction ratio (x 1 /x 2) and wi = work index In this work Q = 356 t/hr and x 1 = 75mm A roll gap of 5mm had already ,QUICK METHOD FOR BOND WORK INDEXAPPROXIMATE ,, comminution plants designing Determining the Bond work index value is quite complicated, time-consuming and requires trained operating personnel and therefore is subjected to errors A quick method for the Bond work index approximate value determination, which is based on the first order grinding kinetics, is presented in this paper.
how to calculate circulating load in cone crusher, rolls crusher 7 liquid/solid ratio , In the circuit below, a cone crusher is operating at steady state in closed, Read more Ball Mill Circulating Load Calculation - YouTube , Secondary cone crusher , of rocks so determined is used to calculate the Bond crushing work index using the , Mill Rotation - 46 rev/min, 100 % circulating loadPower Calculation For Jaw Crusher (pdf), venting volume calculation for jaw crusher - YouTube , Calculation of the Bond working index , t/h and the electric energy demand is P = 530 kW , 1600 ) should be cummunited by a jaw crusher of the type , Operating schedule calculation - for 3 x 8 hours per shift Read more Sitemap pre:attrition sand cleaning systemnext:wet magnetic ,Free Cash Flow Calculator, Sep 27, 2019· Examples of financial obligations covered by levered cash flow are operating expenses and interest payments Analysts use variations of the FCF equation to calculate free cash flow to the firm or equity Another way to calculate it is to break down ,SP300 Super cone crusher (Coarse type) operating in site ,, No1 leading crushing and screening equipments manufacturer in KoreaywcrushercokrMECHANICAL OPERATION LAB MANUAL, 2 JAW CRUSHER 3 DROP WEIGHT CRUSHER 4 SCREEN EFFECTIVENESS BY MECHANICAL METHOD 5 SCREEN EFFECTIVENESS BY MANUAL METHOD 3 1 BALL MILL AIM: To determine the energy required for crushing the given feed and thus obtain the work index for the same Also determine the reduction ration and critical speed of the mill THEORY:.
rod mill crusher media calculation, rod mill crusher media calculation GM stone crusher machine is designed to achieve maximum productivity and high reduction ratio From large primary jaw crusher and impact crusher to cone crusher and VSI series for secondary or tertiary stone crushing, GM can supply the right crusher as well as complete crushing plant to meet your material reduction requirements(PDF) A quick method for bond work index approximate value ,, In practice, it is possible to find materials of non-standard size that are finer than 3327 mmIn this work, a procedure for the calculation of the Bond work index is suggested for cases when the ,Jaw Crusher, crusher design characteristics such as width and depth of the crushing chamber, 2 open and closed side settings, 3 options on feeding method, eg, intermittent feeding (manual or direct by haulage trucks) and continuous by conveyor belt, 4 operating characteristics such as the length of stroke, the number of strokes per minute, the nip angleA Method of C alculating Autogenous/ Semi, The operating ﬁ work index, though, is in the range of 21 kWh/t to 25 kWh/t showing high inefﬁ ciency This raises the point that, in some cases, the Bond EF4 oversize factor calculation is not suf cient to compensate ﬁ for the milling inef ciencies that arise This can result in ﬁ the mill being undersized To counter this problem it ,CORRELATION BETWEEN BOND WORK INDEX AND ,, index and Bond work index The Bond work index is regarded as one of the crushing resistance; it can therefore be presumed that the Bond work index is correlated to the mechanical properties of materials  Literature review on impact crusher performance in relation to machine configuration and operational conditions, by experimental work and ,.
Bond Index In Vertical Roller Mill Power Calculations ,, Bond ball mill index jktech a bond ball mill index test bbmwi is a standard test for determining the ball mill work index of a sample of ore the bbmwi is a crushing and grinding calculations part i and ii british chemical produce a 250 circulating load get quote Get Price; aCalculations In Vertical Roller MillOperating work index is not the specific energy consumption, To calculate the operating work index of a circuit, you must measure four things: P: The power draw of the mill This is usually calculated from the input leads to the motor, then multiplied by ,USING THE SMC TEST® TO PREDICT COMMINUTION CIRCUIT ,, = 10 for all crushers operating in closed circuit with a classifying screen If the crusher is in open circuit, eg pebble crusher in a AG/SAG circuit, K 2 takes the value of 119 x 1 = P 80 in microns of the circuit feed x 2 = P 80 in microns of the circuit product M ic = Crushing ore work index and is provided directly by SMC ,Bond Work Index Tests, The Bond Low-Energy Impact test can be used to determine the Crusher Work index (CWi), also known as the Impact Work Index The test determines the impact energy at which a specimen fails and allows approximation of net power requirements for sizing crushers The open and closed sized settings for given product sizes can also be determinedpower calculation of crusher, Power calculations crusher power calculations crusher Work Index Metcom Technologi Then WIo, the Operating Work Index of this circuit, is calculated as follows W3 So with the same mill power we can increase the tonnage to For any circuit, whether a crushing circuit, a rod mill, or a closed ball mill circuit, the Work Index Contact US.
O I SKARIN N O TIKHONOV CALCULATION OF THE ,, It is worth noticing that calculation of EF4 CDBM requires RWI and BWI, and F 80 in (2) is understood as the initial size of Standard size ranges and the related Bond work indexes Feed size F 80, μm Product size P 80, μm Work index 100000 10000 crushing CWI 10000 2100 rod milling RWI 2100 100 ball milling BWI Fig 1 Laboratory equipmentpower calculations crusher, power calculations crusher power calculations crusher Work Index Metcom Technologies Then WIo the Operating Work Index of this circuit is calculated as follows W3 So with the same mill power we can increase the tonnage to For any circuit whether a crushing circuit a rod mill or a closed ball mill circuit the Work Index Learn MoreCrushing work index Calculation, I have a question about CWi calculationWe have an existing plant and I want to calculate the CWi based on Bond formulation and compare it with lab tests resultsAt the existing plant the data are:F80= 370mmP80= 10mmSpecific energy is 1,8 Kwh/tWhen we apply the ,SP300 Super cone crusher (Coarse type) operating in site ,, Sep 09, 2017· No1 leading crushing and screening equipments manufacturer in Koreaywcrushercokr