The physical and chemical properties of the rock physical and chemical properties of artificial aggregate processing system has a direct impact on the performance of different types of recreational equipment, supplies, etc., is an important prerequisite for equipment selection should be taken into account. For the local river gravel stone dug by hard rock, hardness of aggregate processing system of the source material, wear device makes the system very serious. The average dry compressive strength of 180.4 MPa, maximum dry 214.2mpa compressive strength.
Process and equipment for the exploitation and processing of sandstone
As the finished material, most of the material in the middle of the 0-150MM, which accounted for the proportion of 0-80mm materials as high as 60%, so the whole process to eliminate the rough broken operations, greatly reducing the cost of production. Sandstone mining and processing system by semi-finished material field, crushing plant, sieving equipment, ultra finely (sand) workshop, finished product bin, washing recycling plant, water supply, drainage, sewage treatment works, for composition and distribution engineering.
Broken plant design capacity 350-400t / L, H station wl1380 configuration cone crusher. Crushing belt conveyor with semi finished material and crushing cone crusher shop, screening crushing material and pre pressing 60mm sieve material to enter the main screening device. Screening > 60mm gravel into the workshop, the workshop and the main screen of the plant to form a closed loop, to ensure that the aggregate production of small 60mm. Preliminary screening out of 20 ~ shop 60mm and 5 ~ 20mm total into the washing of the plant materials for the small stone out of the finished product, the excess of the stone sand warehouse adjustment workshop. < 5mm aggregate for silty sand recovery device (less than 0.16 mm) sub member elected to the powder recycling, transportation, storage systems, and the rest of the < 5mm finished sand yard into fine aggregate.
The design ability of 300-450t / h sand plant in order to supervise the warehouse. Broken workshop style configuration pcl900, vertical shaft impact crushing machine Barmag vb-7500, breakthrough tape machine to enter the examination and screening plant classification. > 10mm tape machine returned to all super breaking rule in the bunker, 10 ~ 5 mm and 5 ~ 3mm aggregates back was restructured Torgovnik crusher sand warehouse. 10 ~ 2lsx915 through the adhesive tape machine 2 5mm spiral sand washing machine to the finished material field, 5 ~ 3mm aggregate through the tape machine into the finished product sand. 5mm aggregate after the tape machine is two wl600 sand recycling system, the aggregate storage of "5mm" after finishing "0.16mm screw conveyor into powder through the powder recycling, storage and other systems.
Screening, screening of plant; plant is equipped with six 2ya2160 circular vibration of the sieve, adjust the aggregate bin into vibration washing screen for 20-40mm, 5-20mm and the 20-40mm, tape machine into finished products warehouse less than 5mm aggregation 2lsx915 spiral washing sand machine cleaning and mixed type linear vibrating sieve dehydration sent after the completion of the pile shafts.
The main environmental protection measures of sandstone mining and processing system.
Wastewater treatment measures: due to the large amount of waste water produced in the process of artificial sand production, processing must be carried out to meet the requirements of the surrounding discharge. The main components are suspended solids, non organic pollutants and harmful substances. According to the characteristics of the suspended solids settling, the treatment of the sludge by coagulation sedimentation and the cleaning of the sludge is not regular.
Dust; in the gravel quarry processing system, the entrance to the use of spray and dust removal equipment, other workshops using wet process to solve the dust pollution of the atmosphere. Aggregate processing system, in which the reasonable size, layout, process design, smooth and flexible transmission line adjustment. The production of concrete aggregate in terms of quantity, quality and strength to meet the needs of the project.
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