4　Receiving

4.1　Basic Requirements

4.1.1　The receiving systems of coking coal and other raw materials should be separated.

4.1.2　The receiving belt conveyor system shall be equipped with weighing scales，metal extractors and sampling devices.

4.1.3　Rainproof shelters shall be provided for underground receiving bins，with bin wall inclination being not less than 60o.

4.1.4　Metallic grates must be provided at the gate of the receiving bins.

4.1.5　Anti-clogging devices shall be provided under the receiving bins.Frozen lump crusher should be provided on the steel grates of the receiving bins in cold regions.