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06/16/2022

Precautions for the connection between crushing equipment and screening equipment.

Gravel production line is also called sand and stone production line and stone production line. It is widely used in the main production line equipment of sand and stone materials for construction, highway, railway, mining and other industries.

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06/16/2022

The use quality standards and development prospects of construction sand and gravel aggregates.

With the sharp reduction of natural sand and gravel, the supply of sand and gravel in the market has exceeded the demand. Faced with such opportunities, construction waste recycled aggregate has become a best-selling product.

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06/16/2022

What are the quality measures of stone production line?

The stone production line is generally composed of feeding equipment, crushing equipment, conveying equipment and screening equipment, can be used for hard limestone, granite, basalt, artificial sand, etc.

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06/16/2022

Tips for the maintenance of sand making machine equipment.

As an important member of the mining machinery and equipment, the maintenance of the sand making machine is essential.Therefore, the sand making machine should not only be maintained during use, but also before use and after shutdown.

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06/16/2022

Solution to the bending problem of the eccentric shaft of the jaw crusher.

Crushing is a step in the whole beneficiation process.However, most concentrators will encounter the bending of the eccentric shaft of the crusher, we can solve this problem only by clearly knowing what causes the bending of the eccentric shaft.

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06/16/2022

The design of the crushed stone production line and how it is crushed.

Stone crusher, also known as crushers, are widely used in many departments such as mines, smelting, building materials, highways, railways and chemical industry. At present, the commonly used macadam machines include jaw crusher, impact crusher, etc.

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06/15/2022

Standardized design process of machine-made sand and gravel production line.

Sand is one of the main raw materials of concrete, mortar and corresponding products, including natural sand and machine-made sand. Natural sand is a naturally formed sand bone, which can be directly exploited and used.

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06/15/2022

Characteristics of slag ultrafine powder and recommended preparation equipment.

At present, the main equipment for slag grinding includes ball mill, vibrating mill, roller press and vertical mill. These equipment can generally grind the slag to a specific surface area of 400~550m2/kg, belonging to the high-fine grinding of slag.

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06/15/2022

How to turn tailings slag into an admixture that improves concrete properties?

The geometry of tailings is similar to that of crushed stone with mechanical properties, and the tailings slag is evenly graded, which is an excellent subgrade filler.

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06/15/2022

Application of coal-fired slag as a new admixture in ready-mixed concrete.

The slag is subjected to water quenching treatment in a high temperature molten state, and then transported to the production or use unit for drying, its particle size generally ranges from 1mm to 50mm, which is similar to the size of gravel.

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06/15/2022

How to use slag as admixture to reduce the cost of concrete?

With economic development and people is increasing awareness of energy saving, environmental protection and circular economy, slag, as a recyclable energy saving and environmental protection material, the future market prospects will be even wider.

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06/15/2022

What is commercial concrete? What crusher can be used to produce good concrete aggregate?

The material that plays the role of skeleton in concrete is called concrete aggregate. Stone is called coarse aggregate and sand is called fine aggregate.

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06/14/2022

How to choose a crusher manufacturer correctly?

The investment of powerful and reputable manufacturers in equipment development and material selection Much better than the average cheap equipment, the key is the excellent quality of the equipment.

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06/14/2022

What are the advantages of mobile building aggregate projects compared to traditional building aggreg

The mobile building aggregate project can be completed as long as there are staff who understand equipment operation and management, and the technical threshold is low.

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06/14/2022

Why is fly ash added to concrete? How to prepare fly ash?

As an admixture of concrete, fly ash is mainly used to improve the performance of concrete; Moreover, the microstructure of fly ash is a spherical particle with a fineness finer than that of cement, it also has certain activity.

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06/14/2022

Is the quality of machine-made sand good? How to choose sand making equipment?

First of all, the quality of manufactured sand compared with the natural formation of river sand, the gradation, particle size, powder content and other process indicators of manufactured sand are controllable.

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06/14/2022

Why should continuous grade stones be used for pumping concrete? What are the continuous particle siz

The PE jaw crusher, PF impact crusher, HPT cone crusher, VSI6X impact crusher and K series mobile crusher under the crushing family of SMMVIK Machinery can crush hard stones to the required particle size at one time.

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06/14/2022

What is the difference between water reducer and pumping agent in concrete admixtures?

Concrete admixtures are mainly used to improve the performance of concrete. At present, concrete admixtures include water reducer, pumping agent, accelerator, antifreeze, antifreeze pumping agent, expansion agent, waterproof agent, etc.

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06/14/2022

How to realize the solid waste utilization of concrete and realize the sustainable development of eco

The waste concrete in the construction waste is a kind of construction waste with great value of resource utilization and a superior raw material to replace the natural sand and gravel.

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06/13/2022

Wet sand making vs dry sand making, which process is better?

In recent years, with the limitation of natural sand mining and the lack of resources, artificial sand has gradually become the mainstream of the market.In order to solve the problem of powder content, wet sand making and dry sand making appeared.

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