Twin-screw automatic sealant production line is mainly used in production of silicone sealant, polyurethane sealant, polysulfide sealant and so on. Its main equipment is the co-rotating twin screw extruders, equipped with loss-in-weight feeder, precision metering pump and DCS central control system, etc. The features of this kind of production line include: Through metering system, raw materials are automatically and continuously fed into the twin-screw machine of the main equipment; Materials complete dispersion, grind, dehydration and reaction in the twin-screw machine; The products continuously output from the twin-screw machine and enter packing equipment to be packed as finished products. The production line has the advantages of high automation, high production efficiency, greatly reduced low labor intensity, large production capacity suiting large scale production, low loss of material and energy, low cost, excellence and consistency of product quality etc.
Production capacity is much higher than that of batch production mode, with per hour production capacity of 600-800kg and daily production of 16-18 tons, with high production efficiency
Feed in raw materials and products come out immediately, with no need of base material, without intermediate products, without intermediate stocks. Batch production mode needs step production, and it may take several days for products coming out after purchasing raw materials;
High input-output ratio. Due to continuous production mode, no midway equipment cleaning is needed, and thus there's no waste of materials, and product rate is near theoretical value. The input-output ratio is 2%- 3% higher than batch production mode, with annual saving of materials of 100-150 tons.
The entire production process is sealed, without material exposed in air, no need equipment cleaning, saving cleanser and accessory materials, without environment pollution and no harm to operators' health;
During normal production, each line only needs 3-4 person/shift, which is only 1/2- 1/3 that of batch production mode, with high labor efficiency and saving labor cost and greatly reducing labor intensity;
The entire production process is sealed, thus avoiding such quality problems of granules, breadcrusts, bubbles and so on, which happened in batch production process
Due to continuous production, twin-screw dispersion strength is extremely high, so the product performance made of the same formula is about 20% better than products of batch production mode;
Due to continuous production, many parameters can be adjusted during production, so on-line adjustment of product quality is possible, which guarantees consistency of product quality. But for batch production mode, materials are put into production and then make products come out, so quality can be known only after products come out, and cannot be adjusted on-line, product quality fluctuation is not easy to control. Continuous production has no batch quality fluctuation, with extremely good consistency
The entire process of continuous automatic production is controlled by computer. Operators set technical parameters via computers, and realize total tracking of production process, which means all technical parameters in production can be fed back real-time via computers for direct analysis, for operators to control at any time, and for in-time adjustment of fluctuation occurring in production.
Types of Twin-Screw Automatic Sealant Production Line:
1. Precipitation Base Glue Type Twin-Screw Automatic Production Line
2. Acetic Silicone Sealant Type Twin-Screw Automatic Production Line
3. Neutral Transparent Silicone Sealant Type Twin-Screw Automatic Production Line
4. Neutral oxime Silicone Sealant Type Twin-Screw Automatic Production Line
5. Neutral Alcohol Removal Silicone Sealant Type Twin-Screw Automatic Production Line
6. Solar Energy Special Sealant Type Twin-Screw Automatic Production Line
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