Do not satisfy the requirements of particle size by beltconveyor regurgitation feeding stones to impact breaker broken again, forming closed-circuit circulation many times.
不满足粒度要求的石子由胶带输送机返料送到反击式破碎机进行再次破碎，形成闭路多次循环。
2
The material in point has closed guide facilities, beltconveyor has no slip materials and maximum offset of rubber belt shall be no more than 50mm.