阅读说明：本技术 一种利用工业废渣生产低热高性能水泥及其制备方法 (Low-heat high-performance cement produced by using industrial waste residues and preparation method thereof ) 是由 许国森 林业斌 卢玮 王成清 于 2021-08-18 设计创作，主要内容包括：一种利用工业废渣生产低热高性能水泥,涉及一种水泥,该水泥由组份一、组份二、组份三、组份四、组份五及组份六组成；该水泥配方各组份的重量份数为组份一1-10份、组份二5-10份、组份三10-30份、组份四20-50份、组份五1-10份及组份六5-10份组成,本发明复合体系低热水泥的水化热低,适用于大体积海洋工程混凝土材料用料。本发明复合体系低热水泥早期强度高,满足水电工程的施工进度要。(A low-heat high-performance cement produced by using industrial waste residues relates to cement, which consists of a first component, a second component, a third component, a fourth component, a fifth component and a sixth component; the cement formula comprises, by weight, 1-10 parts of a first component, 5-10 parts of a second component, 10-30 parts of a third component, 20-50 parts of a fourth component, 1-10 parts of a fifth component and 5-10 parts of a sixth component. The low-heat cement of the composite system has high early strength and meets the construction progress of hydropower engineering.)

1. The method for producing the low-heat high-performance cement by using the industrial waste residues is characterized by comprising the following steps of: the cement consists of a first component, a second component, a third component, a fourth component, a fifth component and a sixth component; the cement formula comprises, by weight, 1-10 parts of a first component, 5-10 parts of a second component, 10-30 parts of a third component, 20-50 parts of a fourth component, 1-10 parts of a fifth component and 5-10 parts of a sixth component.

2. The method for producing the low-heat high-performance cement by using the industrial waste residue as claimed in claim 1, is characterized in that: the first component is slag, and the slag is blast furnace slag.

3. The method for producing the low-heat high-performance cement by using the industrial waste residue as claimed in claim 1, is characterized in that: the second component is steel slag, and the steel slag is blast furnace steel slag.

4. The method for producing the low-heat high-performance cement by using the industrial waste residue as claimed in claim 1, is characterized in that: the third component is coal ash which is fly ash.

5. The method for producing the low-heat high-performance cement by using the industrial waste residue as claimed in claim 1, is characterized in that: the component four is gypsum which is power plant desulfurization gypsum.

6. The method for producing the low-heat high-performance cement by using the industrial waste residue as claimed in claim 1, is characterized in that: the fifth component is clinker.

7. The method for producing the low-heat high-performance cement by using the industrial waste residue as claimed in claim 1, is characterized in that: the sixth component is an additive.

8. A preparation method for producing low-heat high-performance cement by using industrial waste residues is characterized by comprising the following steps: the method comprises the following steps:

step one, rolling;

step two, grinding;

step three, grinding respectively;

step four, homogenizing;

step five, preparing cement;

and step six, product detection.

The technical field is as follows:

the invention relates to cement, in particular to low-heat high-performance cement produced by using industrial waste residues and a preparation method thereof.

Background art:

in the construction of hydraulic dams, in order to prevent the occurrence of temperature cracks, cement is required to have the characteristics of low heat of hydration, micro-expansion and the like. The low-heat silicate cement has lower hydration heat, lower dry shrinkage and higher durability than common silicate cement and moderate-heat cement, the prepared hydraulic large-volume concrete is reduced in dryness, the breaking strength is high, the adiabatic temperature rise is 5-10 ℃ lower than that of moderate-heat cement concrete, the comprehensive crack resistance is superior to that of moderate-heat cement concrete, and the low-heat silicate cement is a preferred cementing material for preparing the hydraulic large-volume concrete. The low-heat silicate cement is successfully applied to hydropower engineering construction of three gorges, deep stream ditches, stream luodie, inward dams and the like at present, and has good popularization and application prospects.

The prior art provides low-heat silicate cement which is prepared from ordinary silicate cement clinker, an anti-impact grinding mixture and gypsum. The cement water is added with the anti-wear mixed material, so that the cement has the advantages of dry shrinkage, good durability and abrasion resistance.

The technical problems existing in the prior art are that the ordinary portland cement is low in strength, is unfavorable for the construction progress and the engineering quality of concrete engineering, and hinders the large-scale application of the ordinary portland cement in the construction of hydraulic dams.

The invention content is as follows:

the invention aims to overcome the defects of the prior art, and provides low-heat high-performance cement produced by using industrial waste residues and a preparation method thereof.

The technical scheme adopted by the invention is as follows: a low-heat high-performance cement is produced by using industrial waste residues, and the cement consists of a component I, a component II, a component III, a component IV, a component V and a component VI; the cement formula comprises, by weight, 1-10 parts of a first component, 5-10 parts of a second component, 10-30 parts of a third component, 20-50 parts of a fourth component, 1-10 parts of a fifth component and 5-10 parts of a sixth component.

As a preferable technical scheme, the first component is slag, and the slag is blast furnace slag.

As a preferred technical scheme, the component II is steel slag, and the steel slag is blast furnace steel slag.

As a preferred technical scheme, the third component is coal ash, and the coal ash is fly ash.

As a preferred technical scheme, the component IV is gypsum, and the gypsum is power plant desulfurization gypsum.

As a preferred technical scheme, the fifth component is clinker.

As a preferred technical scheme, the component six is an additive.

A preparation method for producing low-heat high-performance cement by using industrial waste residues is characterized by comprising the following steps: the method comprises the following steps:

step one, rolling;

step two, grinding;

step three, grinding respectively;

step four, homogenizing;

step five, preparing cement;

and step six, product detection.

The invention has the beneficial effects that: the low-heat cement of the composite system has low hydration heat and is suitable for large-volume concrete materials for ocean engineering. The low-heat cement of the composite system has high early strength and meets the construction progress of hydropower engineering.

The specific implementation mode is as follows:

the invention will be further illustrated with reference to specific examples:

the first embodiment is as follows:

the cement is prepared from 1 part of first component, 5 parts of second component, 10 parts of third component, 20 parts of fourth component, 1 part of fifth component and 5 parts of sixth component. The first component is slag, and the slag is blast furnace slag. The second component is steel slag, and the steel slag is blast furnace steel slag. The third component is coal ash which is fly ash. The component four is gypsum which is power plant desulfurization gypsum. The fifth component is clinker. The sixth component is an additive.

Example two:

the cement is prepared from 5 parts of a first component, 7 parts of a second component, 20 parts of a third component, 25 parts of a fourth component, 5 parts of a fifth component and 7 parts of a sixth component according to parts by weight. The first component is slag, and the slag is blast furnace slag. The second component is steel slag, and the steel slag is blast furnace steel slag. The third component is coal ash which is fly ash. The component four is gypsum which is power plant desulfurization gypsum. The fifth component is clinker. The sixth component is an additive.

Example three:

the cement is prepared from 10 parts of a first component, 10 parts of a second component, 30 parts of a third component, 50 parts of a fourth component, 10 parts of a fifth component and 10 parts of a sixth component according to parts by weight. The first component is slag, and the slag is blast furnace slag. The second component is steel slag, and the steel slag is blast furnace steel slag. The third component is coal ash which is fly ash. The component four is gypsum which is power plant desulfurization gypsum. The fifth component is clinker. The sixth component is an additive.

The above three examples were prepared using the following method:

a preparation method for producing low-heat high-performance cement by using industrial waste residues comprises the following steps:

step one, rolling;

step two, grinding;

step three, grinding respectively;

step four, homogenizing;

step five, preparing cement;

and step six, product detection.

Use effect experiment:

the effect of the formula and the preparation method is investigated by 100 volunteer enterprises in the research, and the scoring standard of the test items is as follows: the score of 5 is very satisfactory, the score of 4 is satisfactory, the score of 3 is general, the score of 2 is unsatisfactory, and the score of 1 is very unsatisfactory. Wherein the common component is cement;

test items	Example one	Example two	EXAMPLE III	General group
					Coagulation time	4.9	4.6	4.7	3.0
Flexural strength	4.9	4.7	5.0	1.0
					Compressive strength	4.9	4.6	4.8	3.0
Heat of hydration	4.9	4.7	5.0	1.0

According to the experimental data, the formula can be coagulated for a short time, and has certain breaking strength and compressive strength, and meanwhile, all raw materials of the formula use industrial waste materials, so that the formula is environment-friendly and can achieve a certain low-heat effect.

Various other changes and modifications to the above embodiments and concepts will become apparent to those skilled in the art, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.