我公司磷肥厂于１９８７年建成投产，最初采用干法生产，由于原料工段粉尘污染严重，维修费用高等原因，于１９９１年改造为浓酸矿浆法生产过磷酸钙，改造后产品水分经常超标。为了确保产品质量，近几年在工艺指标控制及设备改造方面采取了一系列措施，达到了预期的效果，... Our phosphate fertilizer plant was completed and put into production in 1987 and was originally produced by dry process. Due to the serious dust pollution and high maintenance cost of the raw material section, the phosphate fertilizer plant was transformed into concentrated acid pulp production in 1991 to produce superphosphate. The modified product water often exceeded the standard. In order to ensure the quality of products, a series of measures have been taken in the process control and equipment reform in recent years to achieve the expected results, ...