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Ready-mixed plastering mortar prepared from industrial waste liquid slag

A technology for plastering mortar and liquid slag, applied in the field of ready-mixed plastering mortar, can solve the problems such as the immature technology for producing silicon calcium potassium fertilizer, the high cost of steaming bricks with liquid slag, the difficulty of high-speed cotton throwing by a centrifuge, etc. Effects of enrichment and alignment, improved durability, good colloidal properties

Inactive Publication Date: 2015-06-10
URUMQI MUNICIPAL BUILDING MATERIALS SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are many disadvantages in these methods of processing liquid slag: as a Portland cement admixture, the dosage is small; the production of liquid slag steam-cured bricks is expensive; the production technology of silicon calcium potassium fertilizer is not mature enough, causing secondary pollution; Although the cost of producing mineral wool is low, due to the continuous change of coal quality and large fluctuations in calcium content, the viscosity of liquid slag changes greatly, which makes it difficult for the centrifuge to throw cotton at high speed, resulting in unstable quality, etc.

Method used

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  • Ready-mixed plastering mortar prepared from industrial waste liquid slag

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Effect test

Embodiment 1

[0027] Embodiment 1: A kind of ready-mixed plastering mortar prepared by using industrial waste liquid slag, the ready-mixed plastering mortar is made of cement, fly ash, natural sand, liquid slag powder, liquid slag aggregate particles, thickener , air-entraining agent and coagulation regulator, the above-mentioned raw materials are as follows: 100 parts of cement, 150 parts of fly ash, 400 parts of natural sand, 50 parts of liquid slag powder, 300 parts of liquid slag aggregate particles, 3 parts of bentonite (thickener), 0.3 parts of sodium lauryl sulfate (air-entraining agent), 0.1 part of sodium gluconate (coagulation regulator).

[0028] The cement is a composite Portland cement with a strength grade of 32.5.

[0029] The fly ash is Class II fly ash.

[0030] The natural sand is coarse sand in the gradation zone I.

[0031] The liquid slag powder is 2 to 3% Na 2 SO 4 and 1~2% Ca(OH) 2 Then add the remaining amount of industrial liquid slag; after grinding for 1 to 2...

Embodiment 2

[0037] Embodiment 2: A kind of ready-mixed plastering mortar prepared by using industrial waste liquid slag, the ready-mixed plastering mortar is made of cement, fly ash, natural sand, liquid slag powder, liquid slag aggregate particles, thickener , air-entraining agent and coagulation regulator, the above-mentioned raw materials are as follows: 80 parts of cement, 100 parts of fly ash, 600 parts of natural sand, 70 parts of liquid slag powder, 150 parts of liquid slag aggregate particles, 0.4 part of hydroxypropyl methylcellulose (thickener), 0.1 part of saponin air-entraining agent (air-entraining agent), 0.3 part of sodium tripolyphosphate (coagulation regulator).

[0038] The cement is a composite Portland cement with a strength grade of 32.5.

[0039] The fly ash is Class II fly ash.

[0040] The natural sand is coarse sand in the gradation zone I.

[0041] The liquid slag powder is 2 to 3% Na 2 SO 4 and 1~2% Ca(OH) 2 Then add the remaining amount of industrial liqui...

Embodiment 3

[0047] Embodiment 3: A kind of ready-mixed plastering mortar prepared by using industrial waste liquid slag, the ready-mixed plastering mortar is made of cement, fly ash, natural sand, liquid slag powder, liquid slag aggregate particles, thickener , air-entraining agent and coagulation regulator, the above-mentioned raw materials are as follows: 120 parts of cement, 200 parts of fly ash, 480 parts of natural sand, 80 parts of liquid slag powder, 120 parts of liquid slag aggregate particles, 0.6 part of hydroxyethyl cellulose (thickener), 0.1 part of saponin air-entraining agent (air-entraining agent), 0.2 part of sodium citrate (coagulation regulator).

[0048] The cement is a composite Portland cement with a strength grade of 32.5.

[0049] The fly ash is Class II fly ash.

[0050] The natural sand is coarse sand in the gradation zone I.

[0051] The liquid slag powder is 2 to 3% Na 2 SO 4 and 1~2% Ca(OH) 2 Then add the remaining amount of industrial liquid slag; after g...

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Abstract

The invention belongs to the technical field of building materials and particularly relates to ready-mixed plastering mortar prepared from industrial waste liquid slag. The ready-mixed plastering mortar consists of lime, pulverized fuel ash, natural sand, liquid slag powder, liquid slag aggregate particles, a thickener, an air entraining agent and a thickening time control agent. The ready-mixed plastering mortar prepared from the industrial waste liquid slag has the excellent performances of lime conversation, environmental friendliness, use of waste, high water retention rate, good operability and the like and has the characteristics that the plastering mortar is not cracked under the construction environments of dry air and relatively large wind speed in Xinjiang region.

Description

technical field [0001] The invention belongs to the technical field of building materials, in particular to a ready-mixed plastering mortar prepared by using industrial waste liquid slag. Background technique [0002] Fuel waste residue is one of the largest renewable resources in my country. The comprehensive utilization of fuel waste residue is a common concern at home and abroad, and it is also a need for energy conservation, environmental protection, promotion of energy conservation, and sustainable development. Industrial liquid slag is suspended and burned at 1450°C to 1600°C in a cyclone furnace, and becomes molten droplets, which are quenched by high-pressure water to form water-quenched slag when discharged. Industrial liquid slag can be used as aggregate instead of natural sand for concrete and mortar after proper drying, moisture removal and crushing. The water-quenched liquid slag has high chemical activity, and its main chemical composition is calcium aluminosi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B18/08
CPCY02W30/91
Inventor 白建飞王玉鹤刘建飞李海桥赵军陈海红赵尚明
Owner URUMQI MUNICIPAL BUILDING MATERIALS SCI RES INST
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