CN110723937A - Process for preparing special mortar by using quartz tailings - Google Patents
Process for preparing special mortar by using quartz tailings Download PDFInfo
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- CN110723937A CN110723937A CN201911078018.2A CN201911078018A CN110723937A CN 110723937 A CN110723937 A CN 110723937A CN 201911078018 A CN201911078018 A CN 201911078018A CN 110723937 A CN110723937 A CN 110723937A
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- tailings
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a process for preparing special mortar by using quartz tailings, which belongs to the technical field of quartz tailings application and solves the problems of high cost and low purity of special mortar production in the prior art, and comprises the following steps: (1) preparing materials: preparing quartz tailings, quartz magnetic tailings, special mortar auxiliary materials, cement and special resin, washing and drying the quartz tailings and the quartz magnetic tailings, wherein the grain size of the quartz tailings is 100-200 meshes; (2) a screw conveyor: conveying various materials prepared in the step (1) through a spiral conveyor, and keeping continuous conveying production; (3) the stirrer: putting the raw materials conveyed by the screw conveyor into a stirrer, stirring for 30-40min, and stirring until the raw materials are fully and uniformly mixed; (4) automatic packing system: and conveying the stirred mortar to an automatic packaging system, bagging and packaging according to the same weight, and transporting to a stock warehouse. The invention is manufactured by using the quartz tailings, thereby greatly reducing the manufacturing cost of the mortar.
Description
Technical Field
The invention belongs to the technical field of quartz sand application, and particularly relates to a process for preparing special mortar by using quartz tailings.
Background
The quartz sand tailings are valuable mineral resources, thousands of tons of annual emission in China are discharged, and resource utilization is a necessary trend. The more 1000 million tons of the discharged quartz sand tailings and ore tailings are discharged every year in China, and the discharged quartz sand tailings and ore tailings are large in quantity, so that serious adverse effects such as serious environmental pollution, land occupation, silting of rivers and reservoirs and the like are directly caused. Many enterprises are still relatively laggard in process and dust prevention, and especially in the dry processing process of quartz sand, a large amount of dust is generated, the production environment is quite severe, and the health of workers and nearby residents is seriously harmed. In order to protect the environment and fully utilize mineral resources, the comprehensive utilization of the quartz sand tailings is urgent. The quartz sand tailings comprise waste residues in ore mining, tailings and tailings in a processing process, wherein the tailings account for the vast majority. The chemical components of the quartz sand tailings are mainly SiO2, and other impurity components are mainly LoI, Al2O3, Fe2O3, CaO, MgO, R2O and the like, and the impurity components are mainly present in feldspar, clay, mica, iron minerals and the like.
At present, most of quartz sand production enterprises do not deeply process and utilize tailings, but treat the tailings as waste and garbage, because no proper technology for improving purity and whiteness of quartz sand tailings exists in China so far, and therefore, the research on the method for producing special mortar by using the quartz sand tailings brings great benefits to environment and cost.
Disclosure of Invention
The invention aims to:
in order to solve the problems of high cost and low purity of special mortar production in the prior art, the process for preparing the special mortar by using the quartz tailings is provided.
The technical scheme adopted by the invention is as follows:
a process for preparing special mortar by using quartz tailings is characterized by comprising the following steps:
(1) preparing materials: preparing quartz tailings, quartz magnetic tailings, special mortar auxiliary materials, cement and special resin, washing and drying the quartz tailings and the quartz magnetic tailings, wherein the grain size of the quartz tailings is 100-200 meshes;
(2) a screw conveyor: conveying various materials prepared in the step (1) through a spiral conveyor, and keeping continuous conveying production;
(3) the stirrer: putting the raw materials conveyed by the screw conveyor into a stirrer, stirring for 30-40min, and stirring until the raw materials are fully and uniformly mixed;
(4) automatic packing system: and conveying the stirred mortar to an automatic packaging system, bagging and packaging according to the same weight, and transporting to a stock warehouse.
Furthermore, the special resin is epoxy resin, and the special mortar auxiliary materials comprise cement, lime, gypsum, bentonite, cellulose ether, expanded perlite sand and water.
Further, in the step (1), an inorganic acid is added in the washing of the quartz tailings, the inorganic acid is a mixed solution of any one or more of industrial hydrochloric acid, industrial sulfuric acid and industrial nitric acid, and the adding ratio of the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid is 2:1.5:1 when the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid are used together.
Further, the grading weight ratio of the quartz sand magnetic tailings to the quartz tailings is 1:1, 2:1 and 3: 1. 1:3 and 1: 2.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the special mortar prepared by the method has good quality, less impurities and stable performance, and the special mortar auxiliary materials comprise cement, lime, gypsum, bentonite, cellulose ether and expanded perlite sand, and has better effect compared with the existing mortar.
2. The special resin added in the invention increases the adhesion and durability of the mortar, thereby greatly improving the quality of the building, the aesthetic feeling of the appearance and the durability, and simultaneously reducing the maintenance cost of the building.
3. The invention adopts acid soaking quartz sand tailings, so that the impurities in the quartz sand tailings are dissolved after the metal oxides react with hydrochloric acid, sulfuric acid and nitric acid, the purity is high, and the manufactured mortar is used in buildings.
4. The invention adopts the quartz tailings and the quartz magnetic tailings with different proportions, can prepare mortar with different performances, is suitable for the requirements of various building working conditions on materials, and has wider universality.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A process for preparing special mortar by using quartz tailings is characterized by comprising the following steps:
(1) preparing materials: preparing quartz tailings, quartz magnetic tailings, special mortar auxiliary materials, cement and special resin, washing and drying the quartz tailings and the quartz magnetic tailings, wherein the grain size of the quartz tailings is 100 meshes;
(2) a screw conveyor: conveying various materials prepared in the step (1) through a spiral conveyor, and keeping continuous conveying production;
(3) the stirrer: putting the raw materials conveyed by the screw conveyor into a stirrer, stirring for 30min until the raw materials are fully and uniformly mixed;
(4) automatic packing system: and conveying the stirred mortar to an automatic packaging system, bagging and packaging according to the same weight, and transporting to a stock warehouse.
Furthermore, the special resin is epoxy resin, and the special mortar auxiliary materials comprise cement, lime, gypsum, bentonite, cellulose ether, expanded perlite sand and water.
Further, in the step (1), an inorganic acid is added in the washing of the quartz tailings, the inorganic acid is a mixed solution of any one or more of industrial hydrochloric acid, industrial sulfuric acid and industrial nitric acid, and the adding ratio of the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid is 2:1 when the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid are used together.
Further, the grading weight ratio of the quartz sand magnetic tailings to the quartz tailings is 1: 1.
Example 2
A process for preparing special mortar by using quartz tailings is characterized by comprising the following steps:
(1) preparing materials: preparing quartz tailings, quartz magnetic tailings, special mortar auxiliary materials, cement and special resin, washing and drying the quartz tailings and the quartz magnetic tailings, wherein the grain size of the quartz tailings is 200 meshes;
(2) a screw conveyor: conveying various materials prepared in the step (1) through a spiral conveyor, and keeping continuous conveying production;
(3) the stirrer: putting the raw materials conveyed by the screw conveyor into a stirrer, stirring for 40min until the raw materials are fully and uniformly mixed;
(4) automatic packing system: and conveying the stirred mortar to an automatic packaging system, bagging and packaging according to the same weight, and transporting to a stock warehouse.
Furthermore, the special resin is epoxy resin, and the special mortar auxiliary materials comprise cement, lime, gypsum, bentonite, cellulose ether, expanded perlite sand and water.
Further, in the step (1), an inorganic acid is added in the washing of the quartz tailings, the inorganic acid is a mixed solution of any one or more of industrial hydrochloric acid, industrial sulfuric acid and industrial nitric acid, and the adding ratio of the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid is 5:1 when the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid are used together.
Further, the grading weight ratio of the quartz sand magnetic tailings to the quartz tailings is 1: 2.
Example 3
A process for preparing special mortar by using quartz tailings is characterized by comprising the following steps:
(1) preparing materials: preparing quartz tailings, quartz magnetic tailings, special mortar auxiliary materials, cement and special resin, washing and drying the quartz tailings and the quartz magnetic tailings, wherein the grain size of the quartz tailings is 150 meshes;
(2) a screw conveyor: conveying various materials prepared in the step (1) through a spiral conveyor, and keeping continuous conveying production;
(3) the stirrer: putting the raw materials conveyed by the screw conveyor into a stirrer, stirring for 35min until the raw materials are fully and uniformly mixed;
(4) automatic packing system: and conveying the stirred mortar to an automatic packaging system, bagging and packaging according to the same weight, and transporting to a stock warehouse.
Furthermore, the special resin is epoxy resin, and the special mortar auxiliary materials comprise cement, lime, gypsum, bentonite, cellulose ether, expanded perlite sand and water.
Further, in the step (1), an inorganic acid is added in the washing of the quartz tailings, the inorganic acid is a mixed solution of any one or more of industrial hydrochloric acid, industrial sulfuric acid and industrial nitric acid, and the adding ratio of the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid is 2:1 when the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid are used together.
Further, the grading weight ratio of the quartz sand magnetic tailings to the quartz tailings is 2:1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A process for preparing special mortar by using quartz tailings is characterized by comprising the following steps:
(1) preparing materials: preparing quartz tailings, quartz magnetic tailings, special mortar auxiliary materials, cement and special resin, washing and drying the quartz tailings and the quartz magnetic tailings, wherein the grain size of the quartz tailings is 100-200 meshes;
(2) a screw conveyor: conveying various materials prepared in the step (1) through a spiral conveyor, and keeping continuous conveying production;
(3) the stirrer: putting the raw materials conveyed by the screw conveyor into a stirrer, stirring for 30-40min, and stirring until the raw materials are fully and uniformly mixed;
(4) automatic packing system: and conveying the stirred mortar to an automatic packaging system, bagging and packaging according to the same weight, and transporting to a stock warehouse.
2. The process for preparing special mortar by using quartz tailings as claimed in claim 1, wherein the special resin is epoxy resin, and special mortar accessories comprise cement, lime, gypsum, bentonite, cellulose ether, expanded perlite sand and water.
3. The process for preparing special mortar by using quartz tailings according to claim 1, wherein inorganic acid is added in the step (1), the inorganic acid is a mixed solution of one or more of industrial hydrochloric acid, industrial sulfuric acid and industrial nitric acid, and the adding ratio of the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid is 2:1 and 5:1 when the industrial hydrochloric acid, the industrial sulfuric acid and the industrial nitric acid are used together.
4. The process for preparing special mortar by using quartz tailings as claimed in claim 1, wherein the grading weight ratio of the quartz sand magnetic tailings to the quartz tailings is 1:1, 2:1, 3: 1. 1:3 and 1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911078018.2A CN110723937A (en) | 2019-11-06 | 2019-11-06 | Process for preparing special mortar by using quartz tailings |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911078018.2A CN110723937A (en) | 2019-11-06 | 2019-11-06 | Process for preparing special mortar by using quartz tailings |
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| CN110723937A true CN110723937A (en) | 2020-01-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552659A (en) * | 2003-12-19 | 2004-12-08 | 北京振利高新技术公司 | Paraffin phase changed thermal mortar powder and preparing method thereof |
| CN101245613A (en) * | 2008-03-14 | 2008-08-20 | 上海中绿建材有限公司 | Light mortar inside and outside combined exterior wall heat-preserving system |
| CN101538136A (en) * | 2009-04-29 | 2009-09-23 | 华南理工大学 | Premixing mortar with high moisture retention and production method thereof |
| CN101691288A (en) * | 2009-09-30 | 2010-04-07 | 谢日清 | Lightweight leveling mortar |
| CN108298851A (en) * | 2018-04-29 | 2018-07-20 | 四川南联环资科技股份有限公司 | A method of producing extraordinary mortar quartz sand using quartz sand tailings |
| CN110066157A (en) * | 2019-06-04 | 2019-07-30 | 东方雨虹民用建材有限责任公司 | A kind of dust-proof mortar and preparation method thereof |
-
2019
- 2019-11-06 CN CN201911078018.2A patent/CN110723937A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552659A (en) * | 2003-12-19 | 2004-12-08 | 北京振利高新技术公司 | Paraffin phase changed thermal mortar powder and preparing method thereof |
| CN101245613A (en) * | 2008-03-14 | 2008-08-20 | 上海中绿建材有限公司 | Light mortar inside and outside combined exterior wall heat-preserving system |
| CN101538136A (en) * | 2009-04-29 | 2009-09-23 | 华南理工大学 | Premixing mortar with high moisture retention and production method thereof |
| CN101691288A (en) * | 2009-09-30 | 2010-04-07 | 谢日清 | Lightweight leveling mortar |
| CN108298851A (en) * | 2018-04-29 | 2018-07-20 | 四川南联环资科技股份有限公司 | A method of producing extraordinary mortar quartz sand using quartz sand tailings |
| CN110066157A (en) * | 2019-06-04 | 2019-07-30 | 东方雨虹民用建材有限责任公司 | A kind of dust-proof mortar and preparation method thereof |
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Application publication date: 20200124 |