Highway Mineral Powder

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Highway Mineral Powder

DESIGN OUTPUT
According to customer needs

APPLICATION
Concrete mixing station, Asphalt mixing station

EQUIPMENTS
trapezoid mill, ultrafine powder grinding mill, raymond mill, etc.

Request for Quotation

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BASIC PROCESS OF HIGHWAY MINERAL POWDER PROCESSING

Flow chart of highway mineral powder processing

Mineral powder plays a filling role in asphalt mixture, which can reduce the void of asphalt concrete, reduce the amount of cement, improve the workability of concrete and reduce the heat of hydration.
(1) Grinding Stage
Suitable raw materials are fed into the main grinding room of the feeder for grinding. The fine powder after grinding rises under the action of the air flow of the fan and is sent to the analyzer for grading. The fine powder with qualified fineness enters the collecting stage through the outlet pipe.
(2) Collecting Stage
The dust gas enters the cyclone collector of the main engine. Under the action of centrifugal force, most of the fine powder of the finished product is separated, collected and transported to the conveying stage. At the same time, the exhaust gas passes through the pulse dust collector and becomes the clean gas to be discharged.
(3) Conveying Stage
The finished ore powder is transferred from screw conveyor to bucket elevator, and then into slender deep warehouse finished material tank. The dust gas in the tank is collected by the top dust collector, and the finished product is stored in the finished tank, and the clean gas is discharged.
(4) Finished Product Stage
The ore powder obtained after powder can be directly sent to the customer for on-site use without additional downstream processing procedures.

Powder Requirements

Concrete mixing station: 325mesh D85

Table 1 Technical Requirements for Limestone Powder
Limestone Powder		Technical Indicators
CaSO4/%		≥75
Fineness/%		≤15
Activity Index/%	7d	≥60
	28d	≥60
Mobility Ratio/%		≥100
Water Content/%		≤1.0
MB Value/%		≤1.4

Asphalt mixing station: 180-200mesh

Project of Technical Requirements for Limestone Powder
Category	Size	Size Ratio
Size range	<0.6mm< /td>	100
	<0.15mm	90-100
	<0.075mm	75-100
Size range	<0.6mm< /td>	100
	<0.15mm	90-100
	<0.075mm	70-100

Note:Limestone powder is generally used in asphalt mixing stations from 180mesh to 200mesh to improve the cohesion between asphalt and aggregate. =

RECOMMEND EQUIPMENT

YGM Raymond Mill

Capacity	1-25 (t/h)
Input Size	0-50mm
Output Size	30-425 mesh

MTM Trapezium Grinding Mill

Capacity	3-45t/h
Max. Input Size	50mm
Min. Output Size	0.038mm

HGM Ultrafine Grinding Mill

Capacity	0.5-25t/h
Max. Input Size	20mm
Min. Output Size	325-2500mesh

YGM High-pressure Suspension Mill

Capacity	0.5-20t/h
Max. Input Size	30mm
Min. Output Size	30 - 425 mesh

DMC Pulse Jet Dust Collector

Capacity

1.5-25t/h

DBGM Vertical Roller Mill

Production Capacity	20-240（t/h）
Input Size	0-50 (mm)
Output Size	30-325 mesh

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