摘要：【中文】本发明涉及一种卧式聚丙烯反应器脱除PP细粉的装置及方法，主要解决现有技术中存在设备数量多，投资费用大的问题。本发明所述的装置及方法，将部分液体丙烯送至第一反应器穹顶，与丙烯气所带出的聚丙烯粉末充分接触，让粉末聚集成大颗粒沉降返回第一反应器，从而取消或减小旋风分离器设备尺寸，降低工程投资，较好地解决了上述问题，可用于卧式聚丙烯反应器脱除PP细粉的工业生产中。 【EN】The invention relates to a device and a method for removing PP fine powder by a horizontal polypropylene reactor, which mainly solve the problems of large equipment quantity and high investment cost in the prior art. The device and the method of the invention send part of the liquid propylene to the dome of the first reactor, fully contact with the polypropylene powder carried by the propylene gas, and lead the powder to gather into large particles to be settled and return to the first reactor, thereby canceling or reducing the equipment size of a cyclone separator, reducing the engineering investment, better solving the problems, and being applicable to the industrial production of removing PP fine powder in a horizontal polypropylene reactor.

摘要：【中文】本发明涉及一种原料药生产中的氮气密闭回收系统，包括：待回收氮气缓冲罐；冷凝器；气液分离器；液环压缩机组；冷却器；回收氮气缓冲罐；除油除水过滤器。还涉及一种原料药生产中的氮气密闭回收方法。其优点在于，实现氮气的有效回收、循环利用，实现气体压缩前对有机溶媒进行冷凝分离，压缩过程中的液相凝结对压缩机影响较小、压缩过程中温度升高不明显，对回收氮气的氧含量和有机溶媒含量进行了有效分析检测，回收氮气的温度和含油含水量符合使用要求，保证了氮气回收的质量，提高了装置的安全性，取得了较好的技术效果。 【EN】The invention relates to a nitrogen closed recovery system in the production of bulk drugs, which comprises: a buffer tank for nitrogen to be recovered; a condenser; a gas-liquid separator; a liquid ring compressor unit; a cooler; a buffer tank for recovering nitrogen; oil and water removing filter. Also relates to a nitrogen closed recovery method in the production of the bulk drugs. Its advantage lies in, realizes effective recovery, cyclic utilization of nitrogen gas, carries out the condensation separation to organic solvent before realizing gas compression, and liquid phase condensation in the compression process is less to the compressor influence, and the temperature rise is not obvious in the compression process, has carried out effective analysis and has detected to the oxygen content and the organic solvent content of retrieving nitrogen gas, and the temperature and the moisture content of retrieving nitrogen gas accord with operation requirement, have guaranteed the quality of nitrogen gas recovery, have improved the security of device, have gained better technological effect.

摘要：【中文】本发明涉及一台挤出机生产聚乙烯黑料和聚乙烯白料的方法，主要解决现有技术存在机器设备数量多、工程建设投资高的问题。本发明通过采用一台挤出机生产聚乙烯黑料和聚乙烯白料的方法，将生产聚乙烯白料与聚乙烯黑料的挤出机合二为一，并增加一个灰料料斗用于收集挤出机残留聚乙烯黑料及清洗挤出机聚乙烯灰料，并可再利用灰料料斗残留聚乙烯黑料及聚乙烯灰料以节约聚乙烯原料。由此减少机器设备数量、降低工程建设投资的技术方案较好地解决了上述问题，可用于一台挤出机生产聚乙烯黑料和聚乙烯白料中。 【EN】The invention relates to a method for producing polyethylene black material and polyethylene white material by using an extruder, which mainly solves the problems of large quantity of machine equipment and high engineering construction investment in the prior art. The invention adopts a method for producing the polyethylene black material and the polyethylene white material by one extruder, combines the extruders for producing the polyethylene white material and the polyethylene black material into a whole, adds a gray material hopper for collecting the polyethylene black material remained by the extruders and cleaning the polyethylene gray material of the extruders, and can recycle the polyethylene black material remained by the gray material hopper and the polyethylene gray material to save the polyethylene raw material. Therefore, the technical scheme of reducing the number of machine equipment and reducing the engineering construction investment better solves the problems and can be used for producing polyethylene black materials and polyethylene white materials by one extruder.

摘要：【中文】本发明提供了一种污泥固化方法，包括以下步骤：称取高岭土和生石灰，预混合，得到高岭土和生石灰的混合料；将高岭土和生石灰的混合料加入到待固化的污泥中，进行低速预搅拌；接着，向待固化的污泥中添加硫酸亚铁和减水剂，进行中速搅拌；出料，最后进行养护，完成污泥固化。本发明利用生石灰和硫酸亚铁改变污泥的表观颜色，扩宽了固化处理后的污泥的适用性；高岭土和减水剂的配合使用能够有效降低固化处理后的污泥的碱性；合适种类的减水剂的使用，能够破坏污泥的微观结构，提高固化反应速度，同时提高养护前固化污泥的流动性，有利于简化并缩短工艺流程。因此，所述污泥固化方法具有广阔的应用前景。 【EN】The invention provides a sludge solidification method, which comprises the following steps: weighing kaolin and quicklime, and premixing to obtain a mixture of the kaolin and the quicklime; adding a mixture of kaolin and quicklime into the sludge to be solidified, and pre-stirring at a low speed; then, adding ferrous sulfate and a water reducing agent into the sludge to be solidified, and stirring at medium speed; discharging, and finally curing to finish sludge curing. The invention utilizes quicklime and ferrous sulfate to change the apparent color of the sludge, and widens the applicability of the sludge after solidification treatment; the alkalinity of the sludge after the solidification treatment can be effectively reduced by the matching use of the kaolin and the water reducing agent; the use of the proper water reducing agent can destroy the microstructure of the sludge, improve the curing reaction speed, improve the fluidity of the cured sludge before curing, and facilitate the simplification and shortening of the process flow. Therefore, the sludge solidification method has wide application prospect.