Haoke (Shanghai) Environmental Protection Technology Co., Ltd. provides the overall solution of environmental protection and energy saving supporting projects for optical fiber, photoelectric and other industries that use vapor deposition process production。For its supporting 1) dry dust recovery and pneumatic conveying, 2) waste gas absorption treatment and reuse, 3) waste acid treatment and reuse,4) Etching pickling tank and chemical media distribution system,5) Environmental protection and energy saving equipment such as waste heat utilization,Good Technology provides the complete system design, manufacturing, construction and operation and maintenance work。
Good technology gas deposition process environmental protection and energy saving comprehensive solution
Process section | Supporting technology | Supporting equipment | 说明 |
VAD/OVD vapor deposition | Dry dust removal + | Bag dust collector | 高温耐腐蚀、超低排放<5mg/m3 |
降温+ | Evaporative cooling tower | ||
Hydrochloric acid recovery + | HCl absorption tower | 回收盐酸浓度 >15%wt | |
Tail gas lye absorption | Lye absorption tower | HCl排放浓度<5mg/m3 | |
PCVD/MCVD vapor deposition | Wet dust removal + | Spray dust collector | |
Chlorine absorption | Chlorine gas absorption tower | Cl2排放浓度<5mg/m3 | |
Octomethylsilane vapor deposition | Dry dust removal + | Bag dust collector | SS304 Stainless steel |
Waste heat recovery | Heat pipe exchanger | >90℃热水或饱和蒸汽 | |
Dust treatment | Positive pressure thin phase pneumatic conveying | Feeder fluidizer | |
Bunker equipment | |||
Fiber drawing | Organic waste gas adsorption | Activated carbon fiber filter cartridge | |
Activated carbon adsorption chamber | |||
Prefabricated rod etching | Hydrofluoric acid etching + | Etch groove | Vertical, horizontal;Rotating roller |
Chemical dispensing box | Hydrofluoric acid and other chemical agents added | ||
Hydrogen fluoride absorption + | HF absorber | Horizontal and vertical packed towers | |
Fluorinated waste acid treatment | Waste acid treatment system | Neutralization precipitation method [F-]排放<10mg/L | |
Zero discharge of wastewater | Dilute hydrochloric acid concentration | Evaporative concentrator | >20%浓盐酸 |
Absorption evaporation | Multi-effect evaporation, MVR | NaCl crystal | |
Fluorinated waste liquid | Reactive evaporation system | High purity NaF crystal by-product |