Energy-saving mortar and making method thereof

A technology of mortar and medium sand, which is applied in the field of energy-saving mortar and preparation, can solve the problems of serious energy consumption, scarcity of materials, energy waste, etc., and achieve the effect of simple preparation method, low cost and product quality standard

Inactive Publication Date: 2017-07-25
合肥天沃能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mortar in the prior art is expensive, the material is scarce, and the energy consumption is serious in the preparation process, resulting in a waste of energy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] An energy-saving mortar comprises the following raw materials in parts by weight: 40 parts of cement, 26 parts of medium sand, 19 parts of yellow sand, 10 parts of limestone, 15 parts of modified admixture, 12 parts of water-retaining thickener and 26 parts of water.

[0024] The modified admixture is hydroxypropyl methyl cellulose ether, which is low in cost, has a wide range of material sources, and has a good modification effect.

[0025] The water-retaining thickener is polyacrylamide, which is beneficial to improve the viscosity of the mortar and ensure that the drying and solidification of the mortar is slowed down when it is not in use.

[0026] A method for preparing energy-saving mortar, comprising the following steps:

[0027] Step 1. Put limestone, medium sand and yellow sand into the pulverizer for crushing, and then use three layers of screens to screen to obtain fine sand. The number of screens in the screens is 100, 150, and 200 respectively;

[0028] St...

Embodiment 2

[0033] An energy-saving mortar comprises the following raw materials in parts by weight: 30 parts of cement, 20 parts of medium sand, 13 parts of yellow sand, 10 parts of limestone, 15 parts of modified admixture, 12 parts of water-retaining thickener and 20 parts of water.

[0034] The modified admixture is a combination of hydroxypropyl methylcellulose ether and redispersible latex powder, which is low in cost, has a wide range of material sources, and has a good modification effect.

[0035] The water-retaining thickener is polyacrylamide, which is beneficial to improve the viscosity of the mortar and ensure that the drying and solidification of the mortar is slowed down when it is not in use.

[0036] A method for preparing energy-saving mortar, comprising the following steps:

[0037] Step 1. Put limestone, medium sand and yellow sand into the pulverizer for crushing, and then use three layers of screens to screen to obtain fine sand. The number of screens in the screens ...

Embodiment 3

[0043] An energy-saving mortar comprises the following raw materials in parts by weight: 36 parts of cement, 23 parts of medium sand, 18 parts of yellow sand, 8 parts of limestone, 13 parts of modified admixture, 12 parts of water-retaining thickener and 24 parts of water.

[0044] The modified admixture is redispersible latex powder, which is low in cost, has a wide range of material sources, and has a good modification effect.

[0045] The water-retaining thickener is polyacrylamide, which is beneficial to improve the viscosity of the mortar and ensure that the drying and solidification of the mortar is slowed down when it is not in use.

[0046] A method for preparing energy-saving mortar, comprising the following steps:

[0047] Step 1. Put limestone, medium sand and yellow sand into the pulverizer for crushing, and then use three layers of screens to screen to obtain fine sand. The number of screens in the screens is 100, 150, and 200 respectively;

[0048] Step 2. Mix f...

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PUM

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Abstract

The invention provides an energy-saving mortar and a making method thereof. The mortar comprises cement, medium sands, yellow sands, limestone, a modification admixture, a water retaining thickener and water. The making method comprises the following steps: adding the limestone, the medium sands and the yellow sands, crushing the added substances, and screening the crushed substances by a three-layer screen to obtain fine sands; mixing the fine sands, the cement, the limestone, the modification admixture and the water retaining thickener, adding the mixed substances into a stirrer, and stirring the mixed substances at a stirring speed of 80 r/min for 2-4 h to obtain a dry mixed mortar; and adding 1/3 of the water into the dry mixed mortar, carrying out low-speed mixing at a stirring speed of 10-20 r/min for 10-20 min, adding the remaining water, and stirring the diluted dry mixed mortar and the water at a stirring speed of 40-50 r/min for 10-15 min in order to obtain the finished mortar. The mortar made in the invention has the advantages of few raw materials, standard quality, stable components, simple making method, certain environmental protection effect, and no pollution in the production process, so the effects of energy saving and emission reduction are achieved.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to an energy-saving mortar and a preparation method thereof. Background technique [0002] Existing mortars need to be mixed with a large amount of natural sand. Natural sand resources are non-renewable resources in a short period of time. Natural sand resources in many areas of our country have been exhausted and their quality has been declining. In addition, for the sake of flood control and ecological balance, the country has civilizedly prohibited the mining of natural sand in some river sections, making natural sand resources increasingly scarce. With the increasing development of infrastructure construction, the demand for natural sand resources is increasing day by day. [0003] Contrary to the increasing scarcity of natural sand resources, there are countless rivers in my country at present, and the amount of sediment and yellow sand produced every ye...

Claims

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Application Information

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IPC IPC(8): C04B28/00
CPCC04B28/00C04B14/06C04B14/068C04B14/28C04B24/383C04B24/2652C04B2103/0057
Inventor 魏芳芳
Owner 合肥天沃能源科技有限公司
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