PSZ-1A broken shrink sub-joint sample preparation unit PSZ-1A crushing and dividing joint sample preparation unit is my factory technical staff in the draw sample preparation equipment advanced technology developed on the basis of well-designed ideal choice. Rational design, compact structure, in strict accordance with the design GB474-1996 "coal sample preparation methods," and ISO1988-1975 "hard coal sampling" production, not only can be used alone, and may be incorporated into assembly-line unit system, greatly improved production efficiency reduce labor intensity, effectively preventing the preparation process viscosity, heavy pollution, water large, multi-extension problems, the test accuracy, comply with the requirements of GB474-1996 no systematic bias is a new type of environmentally friendly products. The main technical parameters of feed size ≤140mm an expected size ≤13 or 6mm (adjustable) two discharge size ≤3-1mm (adjustable) a reduction of sub-1: 2-1: 8 (adjustable) two and dividing ratio of 1: 4 ratio of the total reduction of sub-1: 8-1: 32 (adjustable) sample preparation productivity 1600-1200kg / h Total power 7.5kw total weight of about 900kg Dimensions 1500 × 1000 × 2000mm fully sealed design, no dust pollution, meet environmental requirements. Vibration uniform feeding, effective blockades, to ensure the normal operation. The full-width high manganese steel hammer, round crushing of materials, the working chamber is not blocked. Continuous and rapid completion of feeding, crushing, mixing samples and dividing without losing material like water. And dividing ratio can be flexibly adjusted. Riffle large coal moisture content is not blocked. A plurality of open doors, to facilitate routine cleaning, maintenance and repair. Smooth operation, low noise, easy installation and maintenance. All transmission parts are protective facilities, meet the safety requirements.