Raymond Mill

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Raymo nd Mi l l
Henan Liming Road & Bridge Heavy Industry Co., Ltd

BREAK-DAY
Introduction
Raymond Mill is used to grind barite, calcite, potash feldspar, talcum, marble, limestone, ceram
and slag below scale 7 of Moths hardness and 280-odd sorts of non-inflammable and
non-explosive stuff in the traded of mining, building material, chemical engineering and
metallurgy for power generation and processing. The product size is adjustable on required in the
range of 100-325 meshes.
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Structure of Raymond Mill
The whole plant is a vertical structure of strong systematic characteristic, so it occupies small
area. From crushing of raw material to grinding and packing is an independent production
system.
Compared with other milling plants, its passing ratio achieves 99%, this is what other mill can
not reach.
Driving system of main frame adopts airtight gearing and pulley, drives smoothly and
operates Main parts of the whole plant are made from cast and steel of high quality. The
technics is so subtly that insures the durability of whole plant.
The electric control system is centralized controlled, so the automaticity is high, no people are
needed in the operating room.
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Operation principle of the set
Firstly, raw material should be crushed by the jaw crusher to the size specified, then the crushed
stuff is elevated into a reserve-bucket from which the stuff is loaded, through the
electro-magnetic vibrating feeder, evenly and continuously into the grinding chamber for
powder-processing. After this, the ground stuff are carried by the blower into the separator for
screening. The fine powders are blew into the separator for screening. The fine powders are blew
into the cyclone collector and poured out through the output-powder pipe as the final products
and rough stuff after the screening will be recycled back into the grinding chamber for regrinding.
The set’s airflow system is closely sealed up and circulated under the condition of negative and
positive pressure.
Because the stuff may contain some moisture, and the heat generated during the grinding
process makes the moisture evaporated, what’s more, the pipeline joints are not airtight and
therefore the external air is sucked in, all these will increase air-current in circulation and disturb
the circulation balance. To keep the air current balance in circulation can be realized by adjusting
the pipeline of extra air-current between the blower and the grinder main frame. In this way, the
extra air-current is channeled into a minor cyclone-collector which will collect powder carried by
the extra air-current and then get rid of the extra air-current through the up-end of the pipeline
into the dustpan, and sequentially after purification back to the atmosphere.
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Maintentance
Prior to installation of the equipment, all the people who will be assigned to operate the
equipment have to be technically trained to know the principle and rules of operation.
Someone should be specially selected and put in charge of the operation.
To ensure normal operation of the equipment, a manual containing strict rules and
procedures for its operation, maintenance and repair should be well prepared and
followed. Tools, replacement parts for maintaining, repairing and lubricating oil and
grease must be available for immediate use.
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Model 3R2115 3R2615 3R2715 3R3016 4R3216
Number 3 3 3 3 4
Roller Diameter (mm) 210 260 270 300 320
Height (mm) 150 150 150 160 160
Inside diameter
630 780 830 880 970
Ring (mm)
Height (mm) 150 150 150 160 160
Maximum feed size (mm) 15 15-20 15-20 15-20 20-25
Output size (mm) 0.044-0.165 0.044-0.165 0.044-0.165 0.044-0.165 0.044-0.165
Power of main frame
15 18.5 22 30 37
(kW)
Fineness 0.165 1.2-1.8 1.8-2.5 2.3-2.8 2.6-3.2 3.2-4.5
of final 0.075 capacity 0.6-1.2 1.2-1.8 1.8-2.3 1.9-2.6 2.4-3.1
product (t/h)
(mm) 0.044 0.6-1.0 0.8-1.2 0.9-1.7 1-1.9 1.8-2.5
Note: We hold the rights to modify the design and specification of our products, any modification shall not
be advised additionally.
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Pious / Elaborate / Rigorous / Harmonious
20 Years Experience High reputation

High quality products Competitive price
Professional Liming Teams King-like customer service
Contact us
Tel : 0086-371-67992899 MSN online: Miningmachine@hotmail.com

0086-371-67371699 Website: http://www.break-day.com
Fax: 0086-371-67992699 zip code: 450001
Email: break-day@break-day.com Address: No. 15, Dingxiangli Road, National
HI-TECH Industry Development
MSG online: summer_8001@yahoo.com
Zone, Zhengzhou, China.
Henan Liming Road & Bridge Heavy Industry Co., Ltd

BREAK-DAY

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www.break-day.

Henan Liming Road & Bridge Heavy Industry Co., Ltd

Feeding & Conveying Grinding Plant

Pious / Elaborate / Rigorous / Harmonious

20 Years Experience High reputation

Tel : 0086-371-67992899 MSN online: Miningmachine@hotmail.com

Henan Liming Road & Bridge Heavy Industry Co., Ltd

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