破碎筛分流程的计算是怎样的
破碎筛分流程的计算，一般只是确定各个破碎产品的和筛分产品的绝对重量，即产量（吨/时）。以Q表示，和相对重量即产率（%）表示，以此作为选择破碎的筛分设备的依据，并使各段的负荷能够大致平衡，使各段的破碎机与筛分机处于最优状态下工作。
应该之处，当破碎作业中有预选，洗矿（脱泥），选别作业时，则预选、洗矿、选别的产品还应计算其品位和回收率，
在破碎筛分的过程中，仅是矿石的粒度以及粒度组成发生变化，而进入个作业的产物重量（或产率）与从该作业排除的产品重量仍然是相等的，少量机械损失或其他流失在计算时均不考虑，过意各产品或产率的计算均可按重量或产率的平衡方式来求出。
由于破碎作业的工作制度往往与磨矿作业不同，所以破碎作业的处理能力（吨/时）计算即为选矿厂规模（吨/天）除以破碎作业的工作时数，
原矿粒度特性曲线可以通过工业试验确定，也可以借用可碎性相近的典型粒度特性曲线、有时即直接应用原矿式型粒度曲线，
可以通过工业性试验直接测定，但测定工作量太大，一般可以根据矿石可碎性试验或功指数值选用类似选矿厂的实际粒度特性曲线，也可以根据典型粒度的特性曲线确定、
筛条效率要根据实际资料合理选择，粗碎和中碎的作预先筛分用的条筛，筛分效率一般在50-60%，中碎和粗碎的预先筛分用的条筛。筛分效率一般在80-85%。筛孔尺寸和筛孔效率的正确选择，对筛子的生产能力影响很大，筛孔尺寸一般在破碎机排矿口与破碎产品最大粒度之间选取，或根据工艺要求确定。

How to calculate the crushing and screening process.

破碎筛分流程的计算，一般只是确定各个破碎产品的和筛分产品的绝对重量，即产量（吨/时）。以Q表示，和相对重量即产率（%）表示，以此作为选择破碎的筛分设备的依据，并使各段的负荷能够大致平衡，使各段的破碎机与筛分机处于最优状态下工作。

Crushing and screening process of the calculation, generally only to determine the absolute weight of the various crushing products and screening products, that is, production (T / h). In Q said, and relative weight that yield (%) said that so as to selection on the basis of crushing and screening equipment, and sections of the load can be roughly balanced, the sections of the crusher and sieving machine work in the best condition.

应该之处，当破碎作业中有预选，洗矿（脱泥），选别作业时，则预选、洗矿、选别的产品还应计算其品位和回收率，

It should be, when the crushing operation in the pre selection, washing (mud), the election of the job, the pre selection, washing, and other products should be calculated to calculate the grade and recovery rate,

在破碎筛分的过程中，仅是矿石的粒度以及粒度组成发生变化，而进入个作业的产物重量（或产率）与从该作业排除的产品重量仍然是相等的，少量机械损失或其他流失在计算时均不考虑，过意各产品或产率的计算均可按重量或产率的平衡方式来求出。

In the process of crushing and screening, the size of the ore is changed, and the product weight (or yield) is equal to the weight of the product, which is not considered in the calculation.

由于破碎作业的工作制度往往与磨矿作业不同，所以破碎作业的处理能力（吨/时）计算即为选矿厂规模（吨/天）除以破碎作业的工作时数，

As the operating system of the crushing work is often different from the grinding operation, the processing capacity of the crushing operation (T / h) is calculated as the number of the working hours of the ore dressing plant (T / D) divided by the number of jobs,

原矿粒度特性曲线可以通过工业试验确定，也可以借用可碎性相近的典型粒度特性曲线、有时即直接应用原矿式型粒度曲线，

Ore grain size characteristic curve can be determined through industrial test and can also borrow broken similar typical characteristic size curve, sometimes application directly, ore type, particle size curve,

可以通过工业性试验直接测定，但测定工作量太大，一般可以根据矿石可碎性试验或功指数值选用类似选矿厂的实际粒度特性曲线，也可以根据典型粒度的特性曲线确定、

Can be directly measured by industrial test, but the amount of work is too large, the general can be determined according to the ore can be broken test or power refers to the actual size of the ore dressing plant, can also be determined according to the characteristics of the typical grain size curve,

筛条效率要根据实际资料合理选择，粗碎和中碎的作预先筛分用的条筛，筛分效率一般在50-60%，中碎和粗碎的预先筛分用的条筛。筛分效率一般在80-85%。筛孔尺寸和筛孔效率的正确选择，对筛子的生产能力影响很大，筛孔尺寸一般在破碎机排矿口与破碎产品最大粒度之间选取，或根据工艺要求确定。

Screen efficiency according to the actual data reasonable choice, and the crushing and crushing of the screening, screening efficiency is generally in the 50-60%, in the crushing and crushing of the pre screening sieve. Screening efficiency is generally 80-85%. The correct selection of the mesh size and mesh efficiency and production capacity of sieve effect, sieve size general crusher row between the maximum mine mouth and crushing product size selection, or according to the technological requirements identified.