Black oxide lines
Devices for dipping surface treatment on black oxide parts, we call black oxide lines. Black oxide lines are supplied as functional unit, however we can supply even parts (tanks, manipulation systems, hanging devices, ovens, plants for waste water cleansing, air technique (ventilation), water management...) Our black oxide lines are made according to customer need. Every degreasing line have unique measures.
Technological process at black oxide lines
Parts need to be degreased with rinses and etched/pickled (remove of scales and rust) with rinses before black oxide step. Parts are preheated at warm bath before black oxide is applied at alkaline bath. Black oxided goods is need to rince in warm rinse and then in cold rinse. Sealing is done after these rinses. Goods is transported by manipulators between tanks. Whole design of black oxide line is in accordance with customer needs. There is given special attention to reach high quality of treated surface, high efficiency and reasonable price of technological device.
Goods transport at black oxide line
Parts that should be degreased are mostly hanged on racks or put into baskets. Line could be designed in one straight branch or in straight branch where hanging equipment is returned (racks or baskets) or in two branches. More branches for one line usually means line where are more technologies. Manipulation system of line contains lifting stands, manipulators and transport trucks. Manipulator we offer in these types - underhanging, portal, half-portal, side. Manipulators could be covered with inner ventilated area. Manipulators could be made with possibility of tilting goods.
Wastes from black oxide line
Process baths emits waste air (gas, vapors). This waste air could alkaline or acidic according to type bath. This waste air is sucked off by line ventilation system. Ventilation system might be upgraded for scrubber with integrated droplet separator, which cleanse waste air and remove droplets. Ventilation system might be upgraded by droplet separator, which removes droplets from waste air. Waste water from baths is another important waste created by black oxide line. This water could be cleansed on our automatic waste water treatment plants or on our manual waste water treatment plants.
Gallery
There are introduced some of our lines of surface pretreatment and treatment in this gallery. Our surface pretreatment and treatment lines and its parts are known for reliability, practicality and quality.
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