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·Pharmaceutical Engineering 2/ Size Reduction and Size Separation Sohansinh Vaghela/Pharmaceutical Engineering Saraswati Institute of Pharmaceutical Sciences Gandhinagar Objectives of size separation 1 Any solid materials after size reduction never gives particles of the same size but contains particles of varying sizes
·Cost reduction techniques Firms can bring about cost reduction in myriad ways Some of the popular cost reduction techniques include Budgetary control Companies can compare their actual costs incurred against the budgeted numbers and take remedial actions in case of discrepancies and unnecessary costs achieving better cost efficiency ; Simplification
·size reduction in accordance with the set gap width valu Order data Jaw Crusher BB 200 breaking jaws / wearing plates BB 200 3/N 400 V 50 Hz manganese steel / stainless steel BB 200 230 V 50 Hz manganese steel / stainless steel BB 200 3/N 400 V 50 Hz stainless steel / stainless steel
·The Jaw Crusher BB 250 is specifically designed for accepting large feed sizes up to 120 x 90 mm The gap width can be set stepless from 0 30 mm Depending on the sample material particle sizes down to 2 mm can be obtained resulting in a crushing ratio of 45 A throughput of up to 300 kg/h is possible with the BB 250
Retsch Jaw Crusher BB 500 The best combination of power and final fineness The jaw crusher BB 500 was specially developed to accept large feed sizes up to 110 mm The gap width can be infinitely adjusted from 0 11 mm Depending on the sample material final finenesses of up to mm can be achieved which means a crushing ratio of 220
·• Size reduction is very important in the case of suspension; if the size of the particle is too Citation Sahishna et al 2022; Vol 23 4 109 125 and the crusher is generally 2 3 times higher than the jaw crusher so its cost is larger its weight is greater and its mine mouth size is 7
·A notable fact is that the energy efficiency of conventional milling is only about 1% as mentioned in Sect 1 An earlier experimental study indicated that about 80 90% of the energy input of a ball mill was used in heating the material Schellinger 1951 1952 and a recent study showed that over 75% of the electrical energy was used to heat the slurry Bouchard et
The jaw crusher BB 250 has been specially developed to accept large feed sizes up to 120x90 mm The gap width can be infinitely adjusted from 0 30 mm Depending on the sample material final finenesses of up to 2 mm can be achieved which means a crushing ratio of 45
The Jaw Crusher BB 600 is a robust and powerful jaw crusher The feed material passes through the no rebound hopper and enters the crushing reduction takes place in the wedge shaped area between the fixed breaking jaw and the moveable breaking jaw driven by an eccentric drive shaft
· ENERGY AND POWER REQUIREMENT FOR SIZE REDUCTION EQUIPMENTS The cost of power is a major expense in the crushing and grinding operations Thus an accurate estimation Of the energy required is important in the design and selection of a size reduction equipment During size reduction the solid particles are first distorted and
·The production cycle of open cast coal mines generally includes drilling blasting loading hauling and coal preparation activities Individual optimization of these activities does not mean that the whole system is optimized This paper proposes a cost model considering all activities in mining cycle and system wide approach to minimize the total mining cost of
·5 Gyratory crusher A gyratory crusher is similar in basic concept to a jaw crusher consisting of a concave surface and a conical head; both surfaces are typically lined with manganese steel
·size reduction in accordance with the set gap width value Order data Jaw Crusher BB 100 breaking jaws / wearing plates BB 100 3/N 400 V 50 Hz manganese steel / stainless steel BB 100 230 V 50 Hz manganese steel / stainless steel BB 100 3/N 400 V 50 Hz stainless steel / stainless steel
The Jaw Crusher BB 250 is a robust and powerful forced feed crusher The feed material passes through the no rebound hopper and enters the crushing chamber Size reduction takes place in the wedge shaped area between the fixed crushing arm
2 Precise control of product size is required 3 Desired reduction ratio is not achievable in a single pass 4 Over‐grinding is to be avoided Size reduction theories Examples Example 1 Estimate the crusher motor power required to g ore from 80% minus 250 reduce a magnetite mm to 80% minus 90 mm at a rate of 230 tones/ g ore is hr
Retsch Jaw Crusher BB 300 The Jaw Crusher BB 300 is used for the rapid gentle crushing and pre crushing of medium hard hard brittle and tough materials Its variety of materials offered including heavy metal free steel its efficiency and safety makes it he BB 300 ideal for sample preparation in laboratories and industrial plants
·Size reduction control of cone crushers has received fairly little attention over the past few decades Consequently the most common control objective is still to regulate the crusher load crusher power or crusher main shaft piston pressure or the closed side setting the shortest distance between crushing liners not the actual size reduction
Jaw Crusher BB 400 Retsch Sample Preparation Inorganic The Jaw Crusher BB 400 XL is used for rapid effective crushing and pre crushing of medium hard hard brittle and tough is available in a wide range of materials of construction including heavy metal free steel and offers excellent efficiency and unrivaled safety making this jaw crusher ideal for
·chamber Size reduction takes place in the wedgeshaped area between the ixed crushing arm and one moved by an eccentric drive shaft The elliptical motion crushes the sample which then falls under gravity As soon as the sample is smaller than the discharge gap width it falls into a removable collector within the Jaw Crusher Thecontinuous gap
·JAW CRUSHER BB 50 TheJaw CrusherBB 50 has been specially designed for sample preparation in the laboratory It is used for the rapid effectivecrushingand pre crushing ofmedium hard hard brittle and tough materials Thespace saving dust tight instrumentits on any laboratory bench and is ideally suited to crush small amounts of sample with large feed
·Jaw Crusher BB 300 General Information The Jaw Crusher BB 300 is used for the rapid gentle crushing and pre crushing of medium hard hard brittle and tough materials Its variety of materials offered including heavy metal free steel its efficiency and safety makes it he BB 300 ideal for sample preparation in laboratories and industrial plants
The Jaw Crusher BB 500 XL is used forrapid effective crushing and pre crushing of medium hard hard brittle and tough is available in wide range of materials of construction including a heavy metal free steel and offers excellent efficiency and unrivaled safety making this jaw crusher ideal for sample preparation in laboratories
