我厂过去生产磷铜中间合金,采用铜液倾注法。由干磷与铜的熔点、比重相差较大(磷的比重2.3、熔点44.20℃;铜比重8.94、熔点1083℃),采用上述方法磷很易烧损,回收率低,劳动条件差,所熔制的磷铜中间合金含磷量一般为8～10%,用作脱氧剂效果不好。为改善劳动条件,提高脱氧效果, I plant the past production of phosphor bronze master alloy, the use of liquid pouring method. By the dry phosphorus and copper melting point, a larger difference between the specific gravity (phosphorus specific gravity 2.3, melting point 44.20 ℃; copper proportion 8.94, melting point 1083 ℃), using the above method is easy to burn phosphorus, low recovery, poor working conditions, melting The system of phosphor bronze master alloy phosphorus content is generally 8 to 10%, as a deoxidizer ineffective. In order to improve the working conditions and improve the deoxidation effect,