磷渣基人造大理石的实验研究

doi:10.11962/1006-4990.2019-0296

Abstract

Abstract:

With the phosphorous slag as main raw material,the effects of the mass ratio of phosphorous slag powder,fly ash and hydrated lime,the mass ratio of water and glue,the mass ratio of glue and bone and the composition of aggregate etc.on the properties of phosphorous slag-based artificial marble were studied.The material properties were characterized by SEM electron microscope and bending and compression test instrument.The results showed that the ratio of phosphorus slag-based cementation materials,i.e.the mass ratio of phosphorus slag powder,fly ash and hydrated lime was 90:4:6,the mass ratio of water to glue was 0.18,the mass ratio of glue to bone was 1:1.5,and aggregate gradation（the mass ratio of slag,coarse phosphorus slag and fine phosphorus slag） was 10:40:10.The compressive strength and flexural strength of phosphorous slag-based artificial marble can reach 94.38 MPa and 12.09 MPa respectively.Its compressive strength and flexural strength are higher than natural marble.It can be used as an alternative to natural marble in a wide range of fields,opening up a new path for the resource utilization of phosphorus residue.

Key words: phosphorus slag, artificial marble, fly ash, hydrated lime

CLC Number:

TQ177.172

Zhu Liping. Experimental study on phosphorous slag-based artificial marble[J]. Inorganic Chemicals Industry, 2020, 52(4): 72-74.

Figures/Tables 8

References 8

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原料	w（SiO₂）	w（Al₂O₃）	w（Fe₂O₃）	w（CaO）	w（MgO）
磷渣	43.5	3.53	0.61	41.9	1.67
石灰	16.6	5.10	1.20	61.0	14.9
粉煤灰	57.35	22.56	10.01	3.11	1.62
原料	w（K₂O）	w（Na₂O）	w（SO₃）	其他
磷渣	0.68	0.17	2.34	5.60
石灰	—	—	—	1.20
粉煤灰	0.58	0.07	0.40	4.30

磷渣粉用量/%	熟石灰用量/%	抗折强度/MPa	抗压强度/MPa	磷渣粉用量/%	熟石灰用量/%	抗折强度/MPa	抗压强度/MPa
98	2	1.13	11.37	92	8	2.18	22.78
96	4	1.96	24.62	90	10	1.81	20.49
94	6	3.05	30.51	88	12	1.53	15.26

磷渣粉用量/%	粉煤灰用量/%	抗折强度/MPa	抗压强度/MPa	磷渣粉用量/%	粉煤灰用量/%	抗折强度/MPa	抗压强度/MPa
92	2	3.12	31.52	86	8	3.19	41.27
90	4	3.89	43.73	84	10	3.08	40.09
88	6	3.75	42.45

磷渣基胶凝材料用量/%	磷渣骨料用量/%	抗折强度/ MPa	抗压强度/ MPa	磷渣基胶凝材料用量/%	磷渣骨料用量/%	抗折强度/ MPa	抗压强度/ MPa
5	95	1.72	14.57	40	60	4.42	65.74
10	90	2.96	34.59	50	50	3.94	55.19
20	80	3.82	50.49	60	40	3.46	46.37
30	70	4.14	62.19

水胶比	抗折强度/MPa	抗压强度/MPa	备注
0.12	—	—	料浆太干,无法成型
0.14	3.26	38.92
0.16	5.96	60.72
0.18	7.63	73.84
0.20	5.88	62.46
0.22	4.19	51.57

National Inorganic Salts Information Center

Inorganic Acid-Base-Salt Committee of CIESC

Experimental study on phosphorous slag-based artificial marble

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骨料种类	抗压强度/ MPa	抗折强度/ MPa	骨料种类	抗压强度/ MPa	抗折强度/ MPa
炉渣	76.26	9.59	石英砂	79.69	10.28
磷渣	78.97	9.72	石砂	43.05	3.13

炉渣用量/%	细磷渣骨料用量/%	粗磷渣骨料用量/%	抗压强度/ MPa	抗折强度/ MPa
0	30	30	89.01	11.66
10	50	0	84.91	10.17
10	45	5	84.00	11.90
10	40	10	94.38	12.09
10	35	15	86.35	10.85
10	30	20	78.94	10.35

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