摘要:
The invention relates to a facility for treating composite material containing metal as treating material, comprising a metal separator (22, 22a, 28) mounted upstream of an impact crushing mill (30, 50) -- and optionally an eddy current separator (54) mounted downstream of the impact crushing mill (30, 50) as device for separating the treating material by swirling. In order to recover ferrous and non-ferrous metals from the slag of a garbage incinerating plant, a sieve station (20) is provided, its discharge (21) for fine grain and its discharge (26) for oversize particles being respectively connected to a metal separator (22, 28) and an impact crushing mill (50, 30) being mounted downstream of the discharges (24, 29) for non-magnetic material of said separator. Moreover, a separating cut in the input sieve station that is configured as a scalping screen (20) is provided for oversize grains of approximately 45 mm to approximately 100 mm. A preliminary sieve (12) for grains larger than approximately 100 mm is mounted upstream of the input sifting station (20). A vertical impact crushing mill (30) for oversize grains is connected to the discharge (29) for non-magnetic muck of the metal separator (28), a metal separator (22a) being located at the discharges (31) of said impact crushing mill.
摘要:
A method is described for separating a mixture of flat metal alloy particles in which the particles of one alloy are generally smaller and less conductive than the particles of another alloy, e.g. a scrap mixture of aluminum-lithium alloy and other wrought aluminum alloys. In this method, the scrap mixture is thermally pretreated and then crushed into relatively flat particles, such that the aluminum-lithium alloy is fragmented into smaller particle sizes than the other wrought alloys. These particles are then physically separated based on differences in particle size, density and/or electric conductivity. For instance, the separation may be done by an eddy current separator or a dense media separator.
摘要:
A method for utilization of waste electric and electronic equipment, whereby the waste material is separated into a magnetic fraction, a fraction of other metals and a non-metallic fraction, comprising the steps of: fragmenting waste electric and electronic equipment using a ring shredder (101), separating magnetic fraction (103) using a vibrating gutter (102) and a magnetic separator located above the gutter, sorting the residues by means of a rotary separator (104) into a light fraction (113) and a heavy fraction (105, 106), dividing the heavy fraction into two size groups (105, 106), supplying each size group (105, 106) into an eddy current separator (107, 108) to be separated into a metallic fraction (111, 112) and a non-metallic fraction (109, 110), supplying the non-metallic fractions (109, 110) together with the light fraction (113) to a knife shredder (114) to be fragmented into pieces smaller than 15 mm, from which magnetic fraction (116) is separated using a vibrating gutter (115) and magnetic separator located above the gutter, directing the rest (117) to a liquid separator table (120), wherein a metallic fraction (123) is separated from lighter elements (122) by washing the material on the liquid separator table (120) by using a water-glycerine solution of lipase enzyme obtained by mixing from 0.005% to 0.025% by weight of a powdered lipase enzyme with a 5% water-solution of glycerine, and during the utilization process, refilling water and systematically batching the lipase enzyme in order to retain the concentration of the enzyme from 0.005% to 0.025% by weight in the water-glycerine solution.
摘要:
The invention relates to a facility for treating composite material containing metal as treating material, comprising a metal separator (22, 22a, 28) mounted upstream of an impact crushing mill (30, 50) -- and optionally an eddy current separator (54) mounted downstream of the impact crushing mill (30, 50) as device for separating the treating material by swirling. In order to recover ferrous and non-ferrous metals from the slag of a garbage incinerating plant, a sieve station (20) is provided, its discharge (21) for fine grain and its discharge (26) for oversize particles being respectively connected to a metal separator (22, 28) and an impact crushing mill (50, 30) being mounted downstream of the discharges (24, 29) for non-magnetic material of said separator. Moreover, a separating cut in the input sieve station that is configured as a scalping screen (20) is provided for oversize grains of approximately 45 mm to approximately 100 mm. A preliminary sieve (12) for grains larger than approximately 100 mm is mounted upstream of the input sifting station (20). A vertical impact crushing mill (30) for oversize grains is connected to the discharge (29) for non-magnetic muck of the metal separator (28), a metal separator (22a) being located at the discharges (31) of said impact crushing mill.
摘要:
The invention relates to a device and a method for blowing out metal fractions from a stream of bulk material that is conveyed by bulk material conveying means (10). The device comprises blow-out nozzles (20) which are located on a drop section and which are arranged along a widthwise extension of the stream of bulk material, for blowing against individual particles of bulk material in order to modify the trajectory in such a way as to produce a second sub-stream that branches off. The blow-out nozzles (20) can be controlled according to the sensor coil scanning results relating to the bulk material particles. A plurality of sensor coils (18) is provided underneath an essentially horizontal section of the stream of bulk material in the form of an LC oscillating circuit. Said sensor coils are provided for detecting the eddy currents that are induced. Optoelectronic means (14) are also provided for determining the blow-out position and for determining the location of each of the particles of bulk material.
摘要:
Apparatus and method in converting municipal solid waste into geo-polymer briquettes and geo-polymer bricks comprising bag opener cum crushers, magnetic separators for ferrous and-eddy current separators for non-ferrous things; squeezer for removing liquid content; inter particle collision driers for drying; pulverizer for pulverizing, and devolatizing carbonization reactor for carbonisation of combustible MSW to produce solid char with low water content. Solid char is mixed with geo-polymer binding agent/starch/tar/to form combustible pellet/briquette. These highly combustible briquette/pellets have high calorific value. The pellet/briquette is formed by rotating combustible char at high rpm and compaction. Pellet has a water content of less than 5% by weight and fuel value of 5500 to 6500 KCAL. This process produces non-combustible geo-polymer brick. The non-combustible MSW separated by a trommel is crushed by inter particle collision crusher and pan mixers mixing with geo-polymer binding agent/fly ash/quarry dust/chips or china clay and moulded.
摘要:
The invention relates to a device and a method for blowing out metal fractions from a stream of bulk material that is conveyed by bulk material conveying means (10). The device comprises blow-out nozzles (20) which are located on a drop section and which are arranged along a widthwise extension of the stream of bulk material, for blowing against individual particles of bulk material in order to modify the trajectory in such a way as to produce a second sub-stream that branches off. The blow-out nozzles (20) can be controlled according to the sensor coil scanning results relating to the bulk material particles. A plurality of sensor coils (18) is provided underneath an essentially horizontal section of the stream of bulk material in the form of an LC oscillating circuit. Said sensor coils are provided for detecting the eddy currents that are induced. Optoelectronic means (14) are also provided for determining the blow-out position and for determining the location of each of the particles of bulk material.