WO2021243868A1 - Magnesia rice milling grinding wheel and preparation method therefor - Google Patents

Magnesia rice milling grinding wheel and preparation method therefor Download PDF

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Publication number
WO2021243868A1
WO2021243868A1 PCT/CN2020/113421 CN2020113421W WO2021243868A1 WO 2021243868 A1 WO2021243868 A1 WO 2021243868A1 CN 2020113421 W CN2020113421 W CN 2020113421W WO 2021243868 A1 WO2021243868 A1 WO 2021243868A1
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WIPO (PCT)
Prior art keywords
parts
weight
magnesite
rice milling
grinding wheel
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PCT/CN2020/113421
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French (fr)
Chinese (zh)
Inventor
付延坡
刘晓云
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鄂州市兴方磨具有限公司
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Publication of WO2021243868A1 publication Critical patent/WO2021243868A1/en

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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
    • C04B28/30—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 magnesium cements or similar cements
    • C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
    • B02B3/04—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers

Definitions

  • the invention relates to a manufacturing method of a rice milling wheel, in particular to a magnesite rice milling wheel and a manufacturing method thereof.
  • the existing rice milling wheels generally need to be fired at high temperature during processing, the production process is more complicated, and the equipment requirements are higher.
  • the technical problem to be solved by the present invention provides a magnesite rice grinding wheel and a manufacturing method thereof.
  • a manufacturing method of a magnesite rice milling wheel includes the following steps:
  • Step S2 pouring the slurry into the mold and leaving it at room temperature for more than 7 days;
  • Step S3 After the placing time is reached, demold the embryo body in the mold.
  • the moisture-proof agent adopts any one or more of a mixture of paint and ferrous sulfate, red brick powder and gypsum powder.
  • a magnesite rice grinding wheel is prepared by the above method.
  • the rice milling wheel of the present invention does not need to be fired at high temperature, it can be hardened when placed at room temperature, the production process is simple, the equipment requirements are low, the specific slurry formula is adopted, and the prepared rice milling wheel is self-sharpening. Good, the rice milling efficiency is high and the effect is good.
  • Step S2 pouring the slurry into the mold and leaving it at room temperature for more than 7 days;
  • Step S3 After the placing time is reached, demold the embryo body in the mold.
  • the filler adopts any one or more of quartz powder, feldspar powder, fine silicon carbide particles, and fine brown corundum particles.
  • the specific gravity of the magnesium chloride solution is 1.1-1.6.
  • the present invention provides a magnesite rice milling wheel, which is prepared by the above method.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Cereal-Derived Products (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

A magnesia rice milling grinding wheel and a preparation method therefor. The method comprises the following steps: step S1, mixing and stirring 60-80 parts by weight of silicon carbide, 10-18 parts by weight of activated magnesia, and 8-15 parts by weight of a magnesium chloride solution, and then adding 1-5 parts by weight of a desiccant, 1-5 parts by weight of a preservative and 3-8 parts by weight of a filler to obtain a slurry; step S2, pouring the slurry into a mold and keeping same at room temperature for 7 days or more; and step S3, after the placement time is up, demoulding the blank in the mold. The rice milling grinding wheel prepared by the method does not require high-temperature firing, can harden by being placed at room temperature and is simple in manufacturing process and low in equipment requirements. A specific slurry formula is used, such that the resulting rice milling grinding wheel has a good self-sharpening property, a high rice milling efficiency and a good effect.

Description

一种菱苦土碾米砂轮及其制作方法A magnesite rice milling wheel and manufacturing method thereof
本申请要求于2020年6月2日提交中国专利局、申请号为202010487789.3、发明名称为“一种菱苦土碾米砂轮及其制作方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on June 2, 2020, the application number is 202010487789.3, and the invention title is "a magnesite rice milling wheel and its production method", the entire content of which is incorporated by reference Incorporated in this application.
技术领域Technical field
本发明涉及碾米砂轮制作方法，具体涉及一种菱苦土碾米砂轮及其制作方法。The invention relates to a manufacturing method of a rice milling wheel, in particular to a magnesite rice milling wheel and a manufacturing method thereof.
背景技术Background technique
现有碾米砂轮加工时一般要进行高温烧制处理，制作工艺较复杂，设备要求较高。The existing rice milling wheels generally need to be fired at high temperature during processing, the production process is more complicated, and the equipment requirements are higher.
发明内容Summary of the invention
本发明所要解决的技术问题提供一种菱苦土碾米砂轮及其制作方法。The technical problem to be solved by the present invention provides a magnesite rice grinding wheel and a manufacturing method thereof.
本发明解决上述技术问题的技术方案如下：The technical solutions of the present invention to solve the above technical problems are as follows:
一种菱苦土碾米砂轮制作方法，包括以下步骤：A manufacturing method of a magnesite rice milling wheel includes the following steps:
步骤S1、将60～80重量份的碳化硅、10～18重量份的活性菱苦土与8～15重量份的氯化镁溶液拌和，后加入1～5重量份的的防潮剂、1～5重量份的防腐剂和3～8重量份的填充剂，得到浆料；Step S1. Mix 60-80 parts by weight of silicon carbide, 10-18 parts by weight of activated magnesite and 8-15 parts by weight of magnesium chloride solution, and then add 1-5 parts by weight of moisture-proofing agent and 1-5 parts by weight Parts of preservative and 3-8 parts by weight of filler to obtain slurry;
步骤S2、将浆料浇注到模具中室温放置7天以上；Step S2, pouring the slurry into the mold and leaving it at room temperature for more than 7 days;
步骤S3、放置时间到达后，对模具中的胚体进行脱模。Step S3: After the placing time is reached, demold the embryo body in the mold.
进一步的，所述防潮剂采用油漆与硫酸亚铁混合物、红砖粉和石膏粉中的任意一种或多种。Further, the moisture-proof agent adopts any one or more of a mixture of paint and ferrous sulfate, red brick powder and gypsum powder.
进一步的，所述防腐剂采用亚硝酸盐、9～18个碳原子的高级脂肪酸和高级脂肪酸的碱土金属盐中的任意一种或多种。Further, the preservative uses any one or more of nitrite, a higher fatty acid with 9 to 18 carbon atoms, and an alkaline earth metal salt of a higher fatty acid.
进一步的，所述填充剂采用石英粉、长石粉、碳化硅细粒和棕刚玉细粒中的任意一种或多种。Further, the filler adopts any one or more of quartz powder, feldspar powder, fine silicon carbide particles and fine brown corundum particles.
进一步的，所述步骤1中，氯化镁溶液的比重为1.1～1.6。Further, in the step 1, the specific gravity of the magnesium chloride solution is 1.1-1.6.
进一步的，一种菱苦土碾米砂轮由上述方法制备而成的砂轮。Further, a magnesite rice grinding wheel is prepared by the above method.
本发明的有益效果为：本发明的碾米砂轮不需要高温烧制，常温放置 即可硬化，制作过程简单，设备要求低，采用了特定的浆料配方，制得的碾米砂轮自锐性好，碾米效率高，效果好。The beneficial effects of the present invention are: the rice milling wheel of the present invention does not need to be fired at high temperature, it can be hardened when placed at room temperature, the production process is simple, the equipment requirements are low, the specific slurry formula is adopted, and the prepared rice milling wheel is self-sharpening. Good, the rice milling efficiency is high and the effect is good.
具体实施方式detailed description
以下对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。The principles and features of the present invention will be described below, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention.
本发明提供了一种菱苦土碾米砂轮制作方法，包括以下步骤：The present invention provides a method for making a magnesite rice milling wheel, which includes the following steps:
步骤S1、将60～80重量份的碳化硅、10～18重量份的活性菱苦土与8～15重量份的氯化镁溶液拌和，后加入1～5重量份的的防潮剂、1～5重量份的防腐剂和3～8重量份的填充剂，得到浆料；Step S1. Mix 60-80 parts by weight of silicon carbide, 10-18 parts by weight of activated magnesite and 8-15 parts by weight of magnesium chloride solution, and then add 1-5 parts by weight of moisture-proofing agent and 1-5 parts by weight Parts of preservative and 3-8 parts by weight of filler to obtain slurry;
步骤S2、将浆料浇注到模具中室温放置7天以上；Step S2, pouring the slurry into the mold and leaving it at room temperature for more than 7 days;
步骤S3、放置时间到达后，对模具中的胚体进行脱模。Step S3: After the placing time is reached, demold the embryo body in the mold.
作为一种实施方式，所述防潮剂采用油漆与硫酸亚铁混合物、红砖粉和石膏粉中的任意一种或多种。As an embodiment, the moisture-proof agent adopts any one or more of paint and ferrous sulfate mixture, red brick powder and gypsum powder.
作为一种实施方式，所述防腐剂采用亚硝酸盐、9～18个碳原子的高级脂肪酸和高级脂肪酸的碱土金属盐中的任意一种或多种。As an embodiment, the preservative uses any one or more of nitrite, a higher fatty acid with 9 to 18 carbon atoms, and an alkaline earth metal salt of a higher fatty acid.
作为一种实施方式，所述填充剂采用石英粉、长石粉、碳化硅细粒和棕刚玉细粒中的任意一种或多种。As an embodiment, the filler adopts any one or more of quartz powder, feldspar powder, fine silicon carbide particles, and fine brown corundum particles.
作为一种实施方式，所述步骤1中，氯化镁溶液的比重为1.1～1.6。As an embodiment, in the step 1, the specific gravity of the magnesium chloride solution is 1.1-1.6.
本发明提供了一种菱苦土碾米砂轮，由上述方法制备而成。The present invention provides a magnesite rice milling wheel, which is prepared by the above method.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The foregoing descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection of the present invention. Within range.

Claims (6)

  1. 一种菱苦土碾米砂轮制作方法，其特征在于，包括以下步骤：A manufacturing method of a magnesite rice milling wheel, which is characterized in that it comprises the following steps:
    步骤S1、将60～80重量份的碳化硅、10～18重量份的活性菱苦土与8～15重量份的氯化镁溶液拌和，后加入1～5重量份的的防潮剂、1～5重量份的防腐剂和3～8重量份的填充剂，得到浆料；Step S1. Mix 60-80 parts by weight of silicon carbide, 10-18 parts by weight of activated magnesite and 8-15 parts by weight of magnesium chloride solution, and then add 1-5 parts by weight of moisture-proofing agent and 1-5 parts by weight Parts of preservative and 3-8 parts by weight of filler to obtain slurry;
    步骤S2、将浆料浇注到模具中室温放置7天以上；Step S2, pouring the slurry into the mold and leaving it at room temperature for more than 7 days;
    步骤S3、放置时间到达后，对模具中的胚体进行脱模。Step S3: After the placing time is reached, demold the embryo body in the mold.
  2. 根据权利要求1所述的菱苦土碾米砂轮制作方法，其特征在于，所述防潮剂采用油漆与硫酸亚铁混合物、红砖粉和石膏粉中的任意一种或多种。The method for manufacturing the magnesite rice milling wheel according to claim 1, wherein the moisture-proof agent is any one or more of a mixture of paint and ferrous sulfate, red brick powder and gypsum powder.
  3. 根据权利要求1所述的菱苦土碾米砂轮制作方法，其特征在于，所述防腐剂采用亚硝酸盐、9～18个碳原子的高级脂肪酸和高级脂肪酸的碱土金属盐中的任意一种或多种。The method for manufacturing the magnesite rice grinding wheel according to claim 1, wherein the preservative is any one of nitrite, a higher fatty acid with 9 to 18 carbon atoms, and an alkaline earth metal salt of a higher fatty acid Or multiple.
  4. 根据权利要求1所述的菱苦土碾米砂轮制作方法，其特征在于，所述填充剂采用石英粉、长石粉、碳化硅细粒和棕刚玉细粒中的任意一种或多种。The method for manufacturing the magnesite rice grinding wheel according to claim 1, wherein the filler is any one or more of quartz powder, feldspar powder, silicon carbide fine particles, and brown corundum fine particles.
  5. 根据权利要求1所述的菱苦土碾米砂轮制作方法，其特征在于，所述步骤1中，氯化镁溶液的比重为1.1～1.6。The manufacturing method of the magnesite rice grinding wheel according to claim 1, wherein in the step 1, the specific gravity of the magnesium chloride solution is 1.1-1.6.
  6. 一种菱苦土碾米砂轮，其特征在于，由权利要求1～5中任一方法制备而成。A magnesite rice milling wheel, which is characterized in that it is prepared by any one of the methods of claims 1 to 5.
PCT/CN2020/113421 2020-06-02 2020-09-04 Magnesia rice milling grinding wheel and preparation method therefor WO2021243868A1 (en)

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CN202010487789.3 2020-06-02
CN202010487789.3A CN111763065A (en) 2020-06-02 2020-06-02 Magnesite rice milling grinding wheel and manufacturing method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113773050B (en) * 2021-10-11 2023-01-03 临沂茂源新材料科技有限公司 Method for manufacturing reclaimed sand of ceramic grinding wheel

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CN1607071A (en) * 2003-10-15 2005-04-20 广东工业大学 Composition of vitreous brick buffing wheel
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US20140187129A1 (en) * 2012-12-31 2014-07-03 Saint-Gobain Abrasifs Abrasive article having a core of an organic material and a bonded abrasive body comprising a bond material
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