对磷酸盐进行了复配，经实验证实，复合磷酸盐的最佳的配比为三聚磷酸钠：焦磷酸钠：六偏磷酸钠=2：2：1。
The experimental results confirmed that the best ratio of compound phosphates is 2:2:1(sodium tripolyphosphate:sodium pyrophosphate:sodium hexametaphosphate).
本发明公开了一种聚偏磷酸钠的生产方法及专用设备，属偏磷酸盐技术领域。
The invention discloses a method for producing poly sodium metaphosphate and a special equipment thereof, belonging to a technical filed of metaphosphate.
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