Method for synergistically preparing glass body from hazardous waste incineration ash residues and for decarburizing
A technology for hazardous waste and incineration of ash and slag, which is applied in the removal of solid waste, glass production, chemical instruments and methods, etc., can solve the problems of high cost of iron oxide scale, increased ash melting treatment cost, and increased treatment cost.
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[0056] Example 1 II Slag with flying gray
[0057] For the sage and flying ash of 1 # dangerous abines, the amount of carbon content and chemical composition is analyzed. The main components of the base residue are shown in Table 1 below, and the carbon content in the base residue is 0.8%, and there is no need to add CACO. 3 As a de-carbon, according to the grades, fly ash CAO, SIO 2 , Al 2 O 3 The component content is recorded in Table 1.
[0058] Table 1 Example 1 Main component content of the flying ash in Example 1 / %
[0059]
[0060] 1 # Stock on the ratio of the ratio of calcium oxide and silica and alumina y = cao / (SiO 2 + Al 2 O 3 = 0.24, belongs to I: I need to add flying ash to 1 # onseeing, which is now taking 100 sub-grades, 40 parts of fly ash mix. The slag and fly ash's matching is to make Y = CaO / (SiO in the mixture 2 + Al 2 O 3 = 0.51, in the range of 0.3-0.75. The formulated mixture is put into the plasma oven, the plasma furnace is warmed to 1400 ° C, and ...
Example Embodiment
[0062] Example 2 Add a decarbonate Caco 3 The subsequent type III slag, and then prepared a glass body with type I
[0063] Carbon content and chemical composition analysis of 2 # dangerous abines factory, the main components of the dregs are shown in Table 2: the original bulk is a class II residue, the residue is 6.9%, and CaCo is added. 3 As a de-carbon;
[0064] Table 2 Substand, fly ash, main component content / %
[0065]
[0066] When the slag is 100, Caco 3 Add amount M = 100 × m1 × W1 / 12 = 100 × 100 × 6.9% / 12 = 57.5 copies, add CACO 3 The composition of rear grades (named: 2-1 # on a slag) is shown in Table 3.
[0067] Table 3 2-1 # Main ingredient content / %
[0068]
[0069] 2-1 # = Y = CAO / (SIO 2 + Al 2 O 3 ) = 1.06, belongs to III slag. According to 2-1 # onseng, 1 # on the slag CAO, SIO 2 , Al 2 O 3 The component content, 100 parts of 2-1 # on a dreg, 50 parts of 1 # underlying, Y = CaO / (SIO) in the mixture 2 + Al 2 O 3 = 0.4, in the range of 0.3-0.75. The...
Example Embodiment
[0072] Example 3 Adding Decarbon Caco 3 After II Slag, melt-prepared glass body
[0073]Carbon content and chemical composition analysis of the grades of the 3 # dangerous abutting plant, the main component content of the dregs is shown in Table 4: 2.4% carbon content in the gravel is 2.4%, which needs to be added to CaCO. 3 As a de-carbon.
[0074] Table 4 Main ingredient content / % of the substrate in Example 3
[0075]
[0076] When the slag is 100, Caco 3 Add amount m = 100 × m1 × W1 / 12 = 100 × 100 × 2.4% / 12 = 20 copies, add CACO 3 The composition of the rear graded (named: 3-1 # on a slag) is shown in Table 5.
[0077] Table 5 3-1 # Main ingredient content / %
[0078]
[0079] 3-1 # 渣 Y = CAO / (SIO 2 + Al 2 O 3 ) = 0.4, belongs to II slag. Directly put the type II residue into the plasma oven, the plasma furnace is warmed to 1450 ° C, and the mixture is all melted in the furnace mixture, and the slag melting time is 30 min. The slag is measured by a portable temperat...
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