Dosing complex DKM-120 for storing inert materials, consists of 4 bins, the total volume of four 120 meters³.

Each silo volume 30 m³ has two unloading gates for a more uniform distribution of inert materials along the conveyor and more accurate dosing.

Width, mm bunker loading – 3 400 mm.

The shutter is controlled using a pneumatic cylinder installed on it. Due to the use of two shutters: it is possible to achieve high precision. Vibrator-shakers MVE 300/3 are installed on each bunker – всего 8 штук.

To ensure the performance of the metering complex it must be connected to a compressed air line with a working pressure of not less than 0,6...0,8 mPa.

Дозатор инертных (тензометрический конвейер) установлен под бункерами на шести высокоточных тензодатчиках общей грузоподъемностью 18 тонн. Конвейер снабжен устройством для плавного пуска (частотный преобразователь). На конвейере установлено 2 вибратора.

Inert materials (sand, screenings, crushed stone, etc.) are fed into bunkers using front-end loaders or other loading mechanisms. To protect against large fractions getting into the bunkers, gratings with a cell of 100 mm x 100 mm or other sizes (optional) can be installed on the bunkers.

Principle of operation

Inert materials are distributed among the compartments of the dosing complex and are kept there until required. The process of dosing inert materials is carried out according to a given recipe.

The automatic control system sends a signal to open the sector gate, after which inert materials from one of the hoppers are poured onto a strain gauge conveyor. After reaching the specified weight on the conveyor, the valve will automatically close. For more accurate dosing, a pulse opening mode is possible, in which the shutter makes several openings/closings in a short period of time.

The process is then repeated with the next hopper until all materials, in accordance with the recipe, are on the strain gauge conveyor. To prevent caking of inert materials, vibration motors are used in the design of the dosing complex.

After the cycle is completed, the dosed materials are unloaded and the dosing cycle is repeated.

Technical Features

• Total volume of bunkers, m³ 120
• Volume of one bunker, m³ 30
• Vibrator power, kW 4
• Batching error,% ±1
• Belt speed, m/s 1,4
• The pressure in the pneumatic system, MPa 0,6...0,8
• Aggregate size, mm max 70
• Power Supply, 380
• The maximum dose weighing kg 9,000
• Total installed power, kW 21
• Weight kg, no more 16500