Joint trial run of Jilin Petrochemical alkali slag treatment project

On September 17, Jilin Petrochemical's 10 million-ton refinery installation supporting environmental protection project, a 1,000-ton/year alkali residue treatment project with a total investment of 10,685,900 yuan, was completed and construction was successfully completed. According to reports, the project officially broke ground on April 7 this year. In the near future, it succeeded in realizing a water-based material linkage test. The 1000t/a alkali slag treatment unit is part of the 1.4 million ton/year catalytic cracker retrofit project in the upgrading of gasoline and diesel quality in the Jilin Petrochemical Refinery and the II atmospheric plant renovation project, mainly dealing with 600,000 tons/year of liquefied gas. Desulfurized liquefied gas alkali residue.

Batch plants can be portable, stationary, or semi-portable. Certain batch plant designs may be considered mobile, but not necessarily easy to set up and tear down.

These categories typically differ in the ease of startup and teardown and the presence of portable features such as axles, brakes, and lights. Mobile batching plants are typically a single unit, made up of a cement silo, an aggregate bin, an aggregate conveyor and the cement and aggregate batchers, but at higher hourly production capacities may require numerous loads for a single plant. Typically, a mobile batching plant can be dismantled and reassembled in a few days time. As a result, they can be used at multiple construction sites to reduce transportation costs.

The mobile batch plant, also known as a portable Concrete Plant is a very productive, reliable and cost effective piece of equipment to produce batches of concrete. It allows the user to batch concrete at most any location then move to another location and batch concrete. Portable plants are the best choice for temporary site projects or even stationary locations where the equipment height is a factor or the required production rate is lower.

Modern concrete batch plants (both Wet mix and Dry mix) employ computer aided control to assist in fast and accurate measurement of input constituents or ingredients. With concrete performance so dependent on accurate water measurement, systems often use digital scales for cementitious materials and aggregates, and moisture probes to measure aggregate water content as it enters the aggregate batcher to automatically compensate for the mix design water/cement ratio target. Many producers find moisture probes work well only in sand, and with marginal results on larger sized aggregate.

Concrete usage in superstructures like Burj Khalifa in Dubai have tested the limits to which a Control System can manufacture precision concrete. Dosing of Cement, Sand, Crushed Stone, Chemicals and Water in exactly the same proportion as the concrete recipe stipulates is the ultimate test of any control system. It is important that the Control System achieves the closest value to target weight. The fastest controls limit the number of jogs to maximize plant production rates. Variations in materials, weather and humidity, numerous mechanical points, and human input cause even the most accurate automation control to overweigh or underweigh material.

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