William & Christine Corp
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Below are Some Examples for For W&C-supplied crushing Plant Flow Design & Engineering

 

Consulting Example 1: For Plant Design & Engineering

 

General Comparison of applying Cone Crusher against Roll Crusher

 

 

Roll Crusher

Cone Crusher

Raw Feed

Only useful for Fragile & Soft Raw Materials

Very useful for Wide Range of Raw materials

Output Product

Product particles with uneven sizes & shapes

Dependable & Reliable Dispersion of all Product Sizes according to its CSS

Capacity

Generally Small

Very Wide Range of Production Capacity

Crushing Ratio

Small with the max typically at 4:1

May be up to 8:1, 10:1 or more

Wear Rate

Very High Wear Rate for Structural Parts including the Gears, Springs, etc

Low Wear Rates for Structural Parts

Environmental Concern

Very Noisy while in Operation

Low Noise level

Space Requirement

Demanding very Large Physical Space due to its Smaller Capacity for Each Unit. Multiple Set-ups is essential to Large Production Capacity.

Besides, More Supportive Equipments are Necessary as well.

Cones generally Require Much Smaller Space to Operate, and Cones are generally very Self-Contained

Operating Concern

Very Labor-Intensive and Time-Consuming to Maintain especially when Conducting Parts Replacement

More Systematic & Modular Approach to Perform Maintenance or Replacement to Hydraulics, Setting, Discharge, etc.

NOTE: Both Roll Crushers & Cone Crushers are of Compression Type Crushers

 

Useful Reference Data:

As follows is a summary of Product Dispersion for MINYU MCC51 w/ CSS=25mm

Max Size: 60-65mm

40-60mm: 12-15%

25-40mm: 28-30%

10-25mm: 40-45%

0 -10mm: 5-10%

Consulting Example 2: Check-Off List prior to startup after the MINYU Cone Crusher is completely installed

No.

Items for inspection

Results

Conditions/Remarks

1

Check if the foundation tightening bolts for the MINYU Cone Crusher and its driving motor are securely fastened.

 

 

2

Rotate the belt pulleys by hand to check if it is smooth w/o blockage and w/o any abnormal noise.

 

 

3

Check if the feeding hoppers are reasonably designed and securely installed.

 

 

4

Check if the discharge hoppers are reasonably designed and securely installed.

 

 

5

Check if the clamping bolt (2331) for top cell is tight.

 

 

6

Check if the stop (2041) for cap brackets is tight.

 

 

7

Check if the Discharging Opening is adjusted in its correct place as per production requirement.

 

 

8

Check if the driving configuration is correct.

 

 

Motor frequency/Number of poles: 50HZ6P; Diameter of motor wheel:

 

 

Motor frequency/Number of poles: 50HZ/4P; Diameter of motor wheel:

 

 

Motor frequency/Number of poles:60HZ/6P; Diameter of motor wheel:

 

 

Motor frequency/Number of poles: 60HZ/4P; Diameter of motor wheel:

 

 

9

Check if the belts are well matched to the grooves on the motor wheel.

 

 

10

Check if both belt pulleys are aligned in line.

 

 

11

Check if the belts are properly tensioned, and each belt is with consistent tension.

 

 

12

Check if the rotation direction of the belt for the MINYU Cone Crusher is correct.

 

 

13

 

 

 

 

 

 

No.

Check if the oil piping for cone’s lubricating system is correctly installed.

 

 

Check if the cooling piping for cone’s lubricating system is correctly installed.

 

 

Check if the used lubricant oil conforms to Grade ISO100 (Hot Environment above 40C) or ISO150.

 

 

Check if the oil line reaches the desired level.

 

 

Items for inspection

Results

Handling conditions

 

Check if the oil paths work properly.

 

 

14

Check if the hydraulic system is correctly installed.

 

 

Check if the hydraulic oil conforms to YA-N32.

 

 

Check if the oil line reaches the desired level.

 

 

Check if the oil paths work properly.

 

 

15

Check if the electric protective device and wirings are provided and functioning normally.

 

 

 

 

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William and Christine Corp (W&C)

Member MINYU MACHINERY CORP., LTD. Group of Companies 

Business Address:1F, 10-1 LANE 5, LINSEN N. RD., TAIPEI, TAIWAN

Factory Address: 7-2, San Hwu Li, Yang Mei 326,Taoyuan, Taiwan.

Tel : +886 911 898909                Fax: +886-3-4759741

http://www.minyu.com E-mail: jonathan@minyu.com

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