2015年2月5日星期四

Concrete mixer Hefei two workers accidentally rotate instantly "bite"

November 12, 2014 in the afternoon, the city government at County Gang spent about three kilometers south of the place, inside a concrete batching plant, two men were concrete mixer legs bite through multi-sectoral rescue, one hour after the two men were rescued, one of them seriously injured.

2 pm, when two workers cleaning up inside is concrete mixer, blender accidental rotation, two legs and instantly be swallowed. After receiving the alarm, feixi fire brigade, the district police station and the 120 emergency rescue personnel rushed to the scene quickly.

One worker fairly clear mind, another worker legs were twisted due to relatively deep, severe blood loss, has been shock. Mixer wall especially strong, rescuers use cutting machines, welding and other tools oxygen blender everything open a wall, and then the outer wall of the tractor pull, an hour later, two trapped men has been carried away.

2015年2月3日星期二

How to analyze the quality of the Concrete Batching Plant identification

Concrete batching plant infrastructure in widespread use, many users knowledge of Concrete batching plant just limited to use for quality concrete batching plant is good or bad, is not very understanding, let alone to check the quality of the buying stations.

Concrete batching plant also that several major components, so long as these major part no quality problems, then this is not much concrete batching plant quality problems.

1. If the self-loading concrete mixer mixing tube that its discharge buckle circle runout does not exceed 1% of the diameter of the inlet, and also check the mixer shaker screen on the steel mesh and mesh quality and reasonable size and check the installation precision sieve;

2. The operation of the transmission system to be flexible, no abnormal noise;

3. belt conveyors, bucket elevators and other transmission dragline boom to have a smooth, running to be flexible, high brake can no unusual noise, no card chain;

The metering system also checks is very important to check the sensitivity and accuracy of measurement systems;

5. Reduce machine elevated temperatures should be noted that to achieve temperature-qualified book;

6. metering hopper out of material to be smooth, does not appear plot material, burrs and other phenomena;

7. safety valve leakage phenomenon can not occur;

8. quality cement tank qualified;

9. supporting line installation must be reasonable and installation of heavy equipment to be correct.