江苏守拙环保设备制造有限公司

Shouzhuo Environmental Protection Equipment

科研定制

定做高端

强大研发

全球高端旋转阀

　　Spray-coated Teflon rotary valve, DN200. material bulk density 0.5~0.7. filling rate 0.6. rotor volume 8L, gas seal, front and rear packing + labyrinth seal ring, design temperature ≤200℃, SS304. power 1.1KW, dust explosion-proof.

　　内衬特氟龙是一种将特氟龙(PTFE)或聚四氟乙烯(F4)等特殊材料涂覆在设备内部的一种技术。这种技术可以将设备的内部表面涂覆上一层特殊材料，从而提高设备的耐腐蚀性、耐高温性、防粘性、耐磨损性和耐化学性等方面的性能。

　　内衬特氟龙的特点有：

　　1. 耐腐蚀性好：特氟龙材料是化学惰性的，能够在高浓度酸碱和其他有机物中具有高度的化学稳定性。

　　2. 耐高温性好：特氟龙材料能承受高达+260℃的高温工况。

　　3. 防粘附性能好：特氟龙对粘附物质具有特殊的抗粘性能，可以避免流体因黏附而产生的结垢和堆积。

　　4. 耐磨损性能好：特氟龙表面硬度高、耐磨损，能够有效地抵御设备内部因物料磨损而导致的损坏。

　　江苏守拙主要定制高端旋转阀：超级工程/重大项目/科研项目定制旋转阀。【电话/微信咨询：陈经理18068546632】

　　部分材质选用内衬喷涂特氟龙旋转阀的案例：

　　腐蚀性颗粒接近粉体，往常压反应釜投料，常温最高30~40度，叶轮也要防腐，间隙要小，需要能耐有机溶剂，和物料接触部分全部按特氟龙，QJW、BZ投料星型卸料阀 600-700Kg/批/h，材质S31603.DN250.

　　物料为小盐粒和部分石膏糊糊混杂，粘度很小不太粘壁，带有一定水分，较容易结块，颗粒度直径不超2厘米。仓和物料温度70℃左右。间歇变频运行，每小时0.3至1.5立方。因为有腐蚀和轻微粘度，需要不锈钢加喷涂特氟龙。

　　内衬特氟龙卸灰阀，尺寸400x400.设专用检修孔，星型卸灰阀叶片需要做特氟龙处理，冶金行业，钢厂用。

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　　Case studies on the selection of materials for rotary valves with Teflon-coated inner linings:

　　The corrosive particles are close to powder form. They are usually fed into the reactor at atmospheric pressure, with a maximum temperature of 30~40 degrees Celsius. The impeller also needs to be corrosion-resistant, with small clearances. It must be able to withstand organic solvents. All parts that come into contact with the material are coated with Teflon. The QJW and BZ feeding star-shaped discharge valves have a capacity of 600-700Kg/batch/h and are made of S31603 material with a DN250 size.

　　The material consists of a mixture of small salt grains and some gypsum paste, with low viscosity that doesn't adhere to the wall much. It contains a certain amount of moisture and tends to clump easily, with particle sizes not exceeding 2 centimeters in diameter. The temperature of the silo and the material is around 70℃. It operates intermittently with variable frequency, delivering 0.3 to 1.5 cubic meters per hour. Due to corrosion and slight viscosity, stainless steel with Teflon coating is required.

　　The ash discharge valve is lined with Teflon, with dimensions of 400x400. A dedicated maintenance hole is provided. The blades of the star-shaped ash discharge valve need to be treated with Teflon. It is used in the metallurgical industry, specifically in steel plants.