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[来源:www.yuniguhua.com] [作者:淤泥固化] [日期:17-02-13]
太阳能低温复合膜干化 Solar composite membrane drying at low temperature 利用太阳能作为能源,将含水率80%~85%的脱水污泥均匀布入密闭的太阳能膜箱内,膜箱上表面为高透光率的太阳能低温复合疏水膜,在太阳光照射下膜箱内温度升高,与外界形成一定的温差,污泥吸收热能后实现水分蒸发,水雾在低温复合疏水膜表层冷凝成液态水并流至集水管,蒸馏出水可回用或直接排放,得到含水率低于8%的干化污泥。 Use solar energy as an energy source, the moisture content of 80% ~ 85% of the dewatered sludge uniformly into the airtight solar film box, film box on the surface of high light transmittance of solar low-temperature composite hydrophobic membrane, membrane the temperature in the cabinet in direct sunlight, form a certain temperature difference with the outside world, after the sludge absorption heat evaporation, water spray on the surface of low temperature composite hydrophobic membrane to condense into liquid water and flow to the manifold, and distilled water can be reuse or direct emissions, moisture content is less than 8% of dry sludge. 干化过程中污泥物料内水分的蒸发与冷凝均无动力消耗,实现节能环保。污泥处理后的干渣含水率很低,可直接用于制造活性炭,性价比较普通活性炭更高。此外,针对一般污泥中含有的寄生虫卵这一无害化处理的难题,该工艺通过复合膜技术,不需添加任何辅助化学药剂,使病原微生物等致病物质在密闭的膜箱空间内,被太阳光紫外线有效处理。金山环保利用该技术已在宜兴建立了100吨/天的污泥处理处置项目,并已稳定。 Sludge in the process of drying material moisture evaporation and condensation in no power consumption, energy conservation and environmental protection. Sludge treatment after dry slag moisture content is low, can be directly used in the manufacture of activated carbon, the common active carbon, the higher cost performance. In addition, in view of the general sludge parasite eggs in the disposal of the problem, the process by composite membrane technology, does not need to add any auxiliary chemicals, make the pathogenic microorganisms such as pathogenic substances inside airtight membrane box space, effective processing by ultra-violet rays. Jinshan environmental protection by using the technology have established 100 tons/day in yixing sludge disposal project, and has set up a stable.

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