CN111056755A - Treatment method for using industrial waste residue nickel slag as cement ingredient - Google Patents
Treatment method for using industrial waste residue nickel slag as cement ingredient Download PDFInfo
- Publication number
- CN111056755A CN111056755A CN201911138170.5A CN201911138170A CN111056755A CN 111056755 A CN111056755 A CN 111056755A CN 201911138170 A CN201911138170 A CN 201911138170A CN 111056755 A CN111056755 A CN 111056755A
- Authority
- CN
- China
- Prior art keywords
- cement
- nickel slag
- slag
- product
- waste residue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 239000002893 slag Substances 0.000 title claims abstract description 62
- 239000004568 cement Substances 0.000 title claims abstract description 55
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 53
- 239000004615 ingredient Substances 0.000 title claims abstract description 22
- 239000002440 industrial waste Substances 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002699 waste material Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 5
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 8
- 239000004035 construction material Substances 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 claims description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000004566 building material Substances 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000036571 hydration Effects 0.000 abstract description 2
- 238000006703 hydration reaction Methods 0.000 abstract description 2
- 230000010220 ion permeability Effects 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011412 natural cement Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a processing method for using industrial waste residue nickel slag as cement ingredient, wherein the waste residue nickel slag discharged by nickel product producing enterprises and auxiliary material aluminum slag pass through a 80-mesh sieve, the material with water content within 1.0 percent is 90-95 percent by weight of nickel slag and 5-10 percent by weight of aluminum slag, the mixed product directly uses 50-60 percent to replace cement clinker as cement product produced by cement ingredient, and is widely used as building material for commercial concrete, industry, civil and other building engineering, the product quality effect is obvious, the service performance of cement and concrete product is improved, the hydration strength of cement and concrete is improved, the compatibility and slump are improved, the water demand is reduced, the wear resistance, frost resistance, carbonization property, chloride ion permeability and other properties of the cement and concrete product are improved, the waste utilization rate of the invention is 100 percent, the production cost is reduced, a new technical method is provided for waste residue nickel slag enterprises, and resources and environment are protected.
Description
Technical Field
The invention relates to the new technical field of using industrial waste residue nickel slag as a cement ingredient or the field of environmental protection, in particular to a treatment method using industrial waste residue nickel slag as a cement ingredient.
Background
With the continuous development of the manufacturing industry in China, the amount of various industrial waste residues is increased in multiples, wherein about 1 hundred million tons of waste residues discharged in the production of nickel steel products are called nickel residues for short, the utilization rate of the waste residues is less than 5%, the waste residues can only be stacked and buried by utilizing a large amount of land, the protection of the ecological environment and the influence of human health are seriously influenced, wherein the water content of the nickel residues is about 20-25%, the nickel content is about 10-20%, the development and utilization are difficult, and the nickel residues cannot be directly used for building material products. Therefore, the invention is particularly important for the new technical products of resource, reduction and harmless treatment of the waste residue nickel slag, and the invention adopts the advanced process to utilize the waste residue nickel slag to directly serve as cement ingredients, replaces part of cement products produced by cement clinker and is widely used for preparing industrial and civil building engineering construction materials such as commercial concrete and the like.
Disclosure of Invention
The invention aims to provide a treatment method for using industrial waste residue nickel slag as a cement ingredient, which adopts 90-95% of nickel slag and 5-10% of auxiliary materials to mix into a product with the water content of 1.0%, and the product can be directly used as the cement ingredient to replace 50-60% of cement clinker, thereby improving the utilization rate of the nickel slag, reducing the production cost, reducing the cost of land stacking and landfill of the waste residue, reducing natural resources such as limestone, clay, coal and the like for producing the cement clinker by mine resources, and protecting the ecological environment from being polluted and damaged.
In order to realize the technical defect problem, the technical scheme adopted by the invention is as follows: the treatment method for using the industrial waste residue nickel slag as the cement ingredient is characterized by comprising the following steps:
1. adopting waste residue nickel slag discharged by nickel product enterprises and auxiliary material waste residue aluminum slag;
2. the waste residue nickel slag and the auxiliary material waste residue aluminum slag pass through a sieve of 80 meshes, the water content is within 1.0 percent, and the nickel slag accounts for 90 to 95 percent by weight and the auxiliary material waste residue aluminum slag accounts for 5 to 10 percent by weight, and the product is called a nickel slag mixed product;
3. the mixed nickel slag product is directly used as a cement product produced by cement ingredients according to 50-60 percent of the cement clinker, and is widely used for commercial concrete and building engineering construction materials of industry, civil use and the like;
4. the quality technical indexes of the cement product produced by using 50-60% of mixed nickel slag product to replace cement clinker as a cement ingredient are as follows: the rupture strength of 5.0-5.5MPa, 7.5-9.0MPa, the compressive strength of 30.0-36.0Mpa, 55.0-65.0Mpa, the specific surface area of 350-400 m, the intermiscibility of more than 160mm, the initial setting time of more than 45 minutes, the final setting time of less than 360 minutes, the sulfur trioxide content of less than 3.5%, the ignition loss of less than 5.0% and the ion content of less than 0.06% for 3 days and 28 days.
The invention has the advantages that:
1. the invention utilizes the product mixed by industrial waste residue nickel slag and auxiliary waste residue aluminum slag, can directly replace 50-60% of cement clinker when used as a cement ingredient, the produced cement product is widely used as commercial concrete and building engineering construction materials of industry, civilian use, and the like, the product quality effect is obvious, the service performance of the cement and concrete products is improved, the hydration strength of the cement and concrete is improved, the compatibility and slump are improved, the water demand of the cement and concrete products is reduced, and the wear resistance, frost resistance, carbonization property, chloride ion permeability, corrosivity and other properties of the cement and concrete are improved;
2.95% of the used materials are raw materials with 100% of waste nickel slag and 5% of waste aluminum slag, the utilization rate of the waste slag is 100%, 50-60% of cement clinker is directly replaced by the waste slag to be used as cement ingredients, the production cost is reduced, resources such as limestone, clay, coal and the like used for natural cement clinker are saved by 80%, and harmful components such as CO in a cement plant are reduced2、SO2The discharge amount of harmful gases is 80 percent, so that the ecological environment is protected from secondary pollution;
3. the invention provides a new technical method for waste residue nickel slag discharged by nickel product production enterprises, solves the technical problem that the nickel slag can not be used for producing cement in large quantity, and saves a large amount of land stacking and embankment cost and land resources;
4. the invention also plays a vital role in saving the production cost for cement enterprises, and has remarkable social benefit, environmental benefit and economic benefit.
Detailed Description
For understanding the present invention, the following detailed description is given in conjunction with examples, which are provided for illustration only and are not intended to limit the scope and definition of the present invention.
Example 1
A treatment method for using industrial waste nickel slag as cement ingredients is characterized by comprising the following steps: waste residue nickel slag discharged by an enterprise for producing nickel products and waste residue aluminum slag discharged by an auxiliary material for producing aluminum sulfate products in a chemical plant are sieved by a sieve with 80 meshes, the water content of the material is within 1.0 percent, the waste residue nickel slag accounts for 90 percent by weight, the product mixed with the auxiliary material by the weight percentage of the waste slag and the aluminum slag is 10 percent, which is called as a nickel slag mixed product, the nickel slag mixed product is directly used as a cement product produced by cement ingredients by replacing 50 percent of cement clinker, and is widely used for commercial concrete and building materials of industrial, civil and other building engineering, the product quality technical indexes are 3 days, 28 days of flexural strength 5.9MPa, 9.9MPa, 3 days, 28 days of compressive strength 36.9Mpa, 68.9Mpa, specific surface area 395, intermiscibility 315mm, coagulation time initial coagulation 126 minutes, final coagulation 189 minutes, sulfur trioxide 2.91%, loss on ignition 2.90% and chloride ion 0.03%.
Example 2
A treatment method for using industrial waste nickel slag as cement ingredients is characterized by comprising the following steps: waste residue nickel slag discharged by a nickel product production enterprise and waste residue aluminum slag discharged by an auxiliary material chemical plant production aluminum sulfate product are sieved by a sieve with 80 meshes, the water content of the materials is within 1.0 percent, the waste residue nickel slag is 95 percent in percentage by weight, the product mixed with 5 percent of waste residue and aluminum slag by weight percentage of auxiliary materials is called a nickel slag mixed product, the nickel slag mixed product is directly used as a cement product produced by cement ingredients by replacing 60 percent of cement clinker, and is widely used for commercial concrete and building engineering construction materials of industry, civilian use and the like, the product quality technical indexes are tested to be 3 days, 28 days of flexural strength of 5.8MPa, 9.1MPa, 3 days and 28 days of compressive strength of 38.6MPa, 60.6MPa, specific surface area of 405 square meters per kg, compatibility of 310mm, initial setting time of 128 minutes, final setting time of 205 minutes, sulfur trioxide of 2.95 percent, loss on ignition of 2.51 percent and chloride ion of 0.029 percent.
The technical indexes of the product quality tested by the embodiment of the invention exceed the technical indexes of the pure cement clinker product quality, and the nickel slag mixed product is feasible to replace 50-60% of the cement clinker to be used as a cement product produced by cement ingredients.
Claims (4)
1. A treatment method for using industrial waste nickel slag as cement ingredients is characterized by comprising the following steps: the product is a nickel slag mixed product, which is obtained by mixing 90-95 wt% of waste residue nickel slag discharged by an enterprise for producing nickel products and 5-10 wt% of waste residue aluminum slag discharged by an auxiliary material chemical plant for producing aluminum sulfate products.
2. The method for treating the industrial waste nickel slag as the cement material according to claim 1, wherein the waste nickel slag and the auxiliary material waste aluminum slag pass through a 80-mesh sieve, and the water content of the mixed product of the waste nickel slag and the auxiliary material waste aluminum slag is within 1.0%.
3. The treatment method for utilizing industrial waste residue nickel slag as cement ingredients as claimed in claim 2, wherein the technical quality indexes of the nickel slag mixed product are 3 days, 28 days of flexural strength 5.0-5.5mpa, 7.5-9.0mpa, 3 days, 28 days of compressive strength 30.0-36.0mpa, 55.0-65.0mpa, specific surface area 350-400 square meter/kg, compatibility is more than 160mm, setting time initial setting is more than 45 minutes, final setting is less than 360 minutes, sulfur trioxide is less than 3.5%, loss on ignition is less than 5.0%, and chloride ion is less than 0.06%.
4. Use of a waste residue nickel slag mix product treated according to the method of claims 1 to 3, characterized in that the formed nickel slag mix product is used as water directly in place of cement clinker in an amount of 50 to 60% by weightThe cement product produced by the mud ingredient can be widely used for commercial concrete and building engineering construction materials for industry, civil use and the like, the cement clinker is saved by 50-60%, the natural resources such as limestone, clay, coal and the like are saved by 80%, and CO is reduced2、SO2And the emission of harmful gases is 80 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138170.5A CN111056755A (en) | 2019-11-20 | 2019-11-20 | Treatment method for using industrial waste residue nickel slag as cement ingredient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138170.5A CN111056755A (en) | 2019-11-20 | 2019-11-20 | Treatment method for using industrial waste residue nickel slag as cement ingredient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111056755A true CN111056755A (en) | 2020-04-24 |
Family
ID=70298539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911138170.5A Pending CN111056755A (en) | 2019-11-20 | 2019-11-20 | Treatment method for using industrial waste residue nickel slag as cement ingredient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111056755A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096772A (en) * | 1993-06-17 | 1994-12-28 | 王彦 | A kind of method of producing cement of high index |
| RU96111404A (en) * | 1996-06-05 | 1996-12-10 | Волго-Уральский научно-исследовательский и проектный институт предприятия "Оренбурггазпром" Российского акционерного общества "Газпром" | Plugging material |
| CN1258653A (en) * | 2000-01-10 | 2000-07-05 | 王绍华 | Composite portland cement |
| CN101041562A (en) * | 2007-02-27 | 2007-09-26 | 谭纪林 | Handling method for using aluminum sulfate slag as cement ingredient |
| CN104671680A (en) * | 2013-11-26 | 2015-06-03 | 段胜全 | Formula for preparing 325#, 425# and 525# cement |
-
2019
- 2019-11-20 CN CN201911138170.5A patent/CN111056755A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096772A (en) * | 1993-06-17 | 1994-12-28 | 王彦 | A kind of method of producing cement of high index |
| RU96111404A (en) * | 1996-06-05 | 1996-12-10 | Волго-Уральский научно-исследовательский и проектный институт предприятия "Оренбурггазпром" Российского акционерного общества "Газпром" | Plugging material |
| CN1258653A (en) * | 2000-01-10 | 2000-07-05 | 王绍华 | Composite portland cement |
| CN101041562A (en) * | 2007-02-27 | 2007-09-26 | 谭纪林 | Handling method for using aluminum sulfate slag as cement ingredient |
| CN104671680A (en) * | 2013-11-26 | 2015-06-03 | 段胜全 | Formula for preparing 325#, 425# and 525# cement |
Non-Patent Citations (1)
| Title |
|---|
| 肖忠明等主编: "《工业废渣在水泥生产中的应用》", 30 November 2009, 中国建材工业出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200424 |