Patent BG-2565-U1 (BG)
Title: An installation for extruding silica dioxide from separators from lead-acidic accumulators
Inventor: YANEV RUSLAN
IPC: H01M6/52
Filed: 2016-11-17
Abstract: The utility model relates to an installation for extruding silica dioxide from separators from lead-acidic accumulators, specifically unusable separators from polyethylene with a silica dioxide filler, which includes a goods drying zone, a thermo-chemical goods destruction zone, a zone for final thermal treatment at a high temperature and a solid residue cooling zone; wherein: - The goods drying zone includes a bunker with a star shaped dozer, fitted with a double closing with pneumatic drive and a throat to the cylindrical part of an ablation chamber, closed on top with a lid and fitted with ablation plats, which are driven by a drive, which is in turn mounted to a hinging body and is driven by a motor-reducer and a vibration motor, as in the upper cylindrical part of the ablation chamber is sequestered an area A with working temperature of 200-350 °С, formed by internal ring, concentrically to which is placed external ring with a free space between the two rings; - The zone for thermo-chemical destruction of goods has a work temperature of 450-650°С and is located in sector B, placed in the cone part of the ablation chamber, formed by internal cone ring, concentrically to which is placed internal ring with a free space between the two rings; - The zone for final thermal processing with a work temperature of 800-950°С is located in sector C, placed below the ablation chamber and includes a chute section, which consists of a body with a hollow cylinder shape, mounted in concentric external ring with a bottom, fitted with a knot for mounting a blow torch for external heating and a combustion chamber, as well as a tube for feeding overheated steam or inert gas to the inside of the cylindrical body on sector C, surrounded by the ring-like space for direct heating of sector C of the device; - The zone for cooling solid residue, is placed below the zone for final thermal treatment, and is located in sector D, which includes a cooling section, fitted with a bell vibrating opening, driven by an air cylinder, as well as an opening for leading solid residue away, an inlet for feeding cold water and an opening for leading warm water away, as in the upper part of the ablation chamber are placed an outlet for leading the steam-gas mixture from the thermal destruction of the separators away and an outlet for leading hot smoke gasses away, which have been made from the blow torch in the combustion chamber, and the entire installation is placed on top of a carrier stand. Via the installation, according to the useful mode, becomes possible for separators of lead-acidic accumulators to be dissolved, specifically separators from polyethylene with a filler of silica dioxide, in a two-step process- through contact heating, in which heat is transferred from the hot wall to the heated separators through heat conductivity during contact between them indirectly, as a source become the hot, externally heated, sections of the reactor. Moreover, the installation works practically uninterruptedly, powering itself through heat energy, produced as a result of the created in the process steam-gas mixture; the constructive specificities of the installation ensure the production of silica dioxide with a no lesser than 98.5% purity.