阅读说明：本技术 一种陶瓷砂轮再生砂制作方法 (Method for manufacturing reclaimed sand of ceramic grinding wheel ) 是由 宋学立 郭军霞 郭军义 于 2021-10-11 设计创作，主要内容包括：本发明涉及再生砂技术领域,且公开了一种陶瓷砂轮再生砂制作方法,包括以下操作：将废旧陶瓷砂轮内孔部位的灌孔材料砸掉,然后去清除其他杂质,再将废旧陶瓷砂轮经破碎机破碎,之后投入球磨机内进行粉碎,得到粉末；将经球磨的粉末进行筛分,其他较大砂粒重新导入球磨机再次粉碎,直至达标为止。该陶瓷砂轮再生砂制作方法,通过废砂轮进行破碎、加工处理,制出颗粒,并加入各种材料进行再生,制得的再生砂具有良好的耐磨性能和硬度,有利用资源的回收再利用,且工艺简单,成品合格率高。(The invention relates to the technical field of reclaimed sand, and discloses a method for manufacturing reclaimed sand of a ceramic grinding wheel, which comprises the following operations: smashing hole filling materials at the inner hole part of the waste ceramic grinding wheel, removing other impurities, crushing the waste ceramic grinding wheel by a crusher, and then putting the crushed waste ceramic grinding wheel into a ball mill for crushing to obtain powder; and screening the ball-milled powder, and introducing other larger sand grains into the ball mill again for crushing until the sand grains reach the standard. According to the method for manufacturing the ceramic grinding wheel reclaimed sand, the waste grinding wheel is crushed and processed to prepare particles, various materials are added for regeneration, and the prepared reclaimed sand has good wear resistance and hardness, is beneficial to recycling of resources, and is simple in process and high in finished product qualification rate.)

1. The method for manufacturing the reclaimed sand of the ceramic grinding wheel is characterized by comprising the following operations:

s1, crushing treatment

Smashing hole filling materials at the inner hole part of the waste ceramic grinding wheel, removing other impurities, crushing the waste ceramic grinding wheel by a crusher, and then putting the crushed waste ceramic grinding wheel into a ball mill for crushing to obtain powder;

s2 screening

Sieving the ball-milled powder, and introducing other larger sand grains into the ball mill again for crushing until the sand grains reach the standard;

s3, cleaning treatment

Introducing the powder into an acid solvent for cleaning, taking out the powder for rinsing in clear water, finally removing surface impurities through high temperature, and drying;

s4, molding

Mixing the powder with magnesium chloride liquid, magnesia powder, dextrin powder and quartz stone powder, putting the mixture into a mould for compression molding, putting a blank sample into a high-temperature furnace for firing, and taking out the blank sample after the blank sample is naturally cooled;

s5, finished product

And taking out the product, crushing the product into blocks by a crusher, and then introducing the blocks into a ball mill for grinding to form reclaimed sand.

2. The method for manufacturing reclaimed sand for vitrified grinding wheels according to claim 1, wherein the method comprises the following steps: the waste ceramic grinding wheel is cleaned by ultrasonic wave before being crushed, and is crushed after being dried.

3. The method for manufacturing reclaimed sand for vitrified grinding wheels according to claim 1, wherein the method comprises the following steps: the grinding standard of the sand grains is 60-120 meshes.

4. The method for manufacturing reclaimed sand for vitrified grinding wheels according to claim 1, wherein the method comprises the following steps: during the cleaning, the powder needs to be completely immersed in the acid solvent, and then the powder is filtered out in a filtering mode, and the water washing process is the same.

5. The method for manufacturing reclaimed sand for vitrified grinding wheels according to claim 1, wherein the method comprises the following steps: and during the compression molding, the pressure is kept at 8MPa, and the material can be taken out after the pressure is kept for 3 minutes.

6. The method for manufacturing reclaimed sand for vitrified grinding wheels according to claim 1, wherein the method comprises the following steps: after the blank sample is pressed and formed, drying treatment is needed, and redundant water in the blank is removed.

Technical Field

The invention relates to the technical field of reclaimed sand, in particular to a method for manufacturing reclaimed sand of a ceramic grinding wheel.

Background

The ceramic grinding wheel is formed by bonding abrasive particles by using a proportioned ceramic bonding agent, compacting, drying, roasting and finishing, has a plurality of pores and is a grinding tool for cutting by using the abrasive particles. The abrasive grains have their sharp corners exposed at the surface portion as cutting edges. Therefore, the ceramic grinding wheel has more and more obvious advantages in the grinding processing of special materials such as diamond, industrial ceramic, diamond composite sheets, diamond polycrystal, diamond cutters, cubic boron nitride, hard alloy and other high-hardness brittle materials, and has good prospects in the development of diamond grinding tools. The grinding tool is considered to be a high-performance grinding tool with high speed, high efficiency, high precision, low grinding cost and low environmental pollution, has increasingly wide application, and is a hot spot for competitive research and development of grinding tools in various countries in the world.

The ceramic grinding wheel presents a plurality of waste products in the processing process, the waste products can not be reused, and the ceramic grinding wheel is in a scrapped state after being worn out and overloaded, so the number of waste ceramic grinding wheels is increased along with time.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a method for manufacturing reclaimed sand of a ceramic grinding wheel.

The invention provides the following technical scheme: a method for manufacturing reclaimed sand of a ceramic grinding wheel comprises the following operations:

s1, crushing treatment

Smashing hole filling materials at the inner hole part of the waste ceramic grinding wheel, removing other impurities, crushing the waste ceramic grinding wheel by a crusher, and then putting the crushed waste ceramic grinding wheel into a ball mill for crushing to obtain powder;

s2 screening

Sieving the ball-milled powder, and introducing other larger sand grains into the ball mill again for crushing until the sand grains reach the standard;

s3, cleaning treatment

Introducing the powder into an acid solvent for cleaning, taking out the powder for rinsing in clear water, finally removing surface impurities through high temperature, and drying;

s4, molding

Mixing the powder with magnesium chloride liquid, magnesia powder, dextrin powder and quartz stone powder, putting the mixture into a mould for compression molding, putting a blank sample into a high-temperature furnace for firing, and taking out the blank sample after the blank sample is naturally cooled;

s5, finished product

And taking out the product, crushing the product into blocks by a crusher, and then introducing the blocks into a ball mill for grinding to form reclaimed sand.

Preferably, the waste ceramic grinding wheel needs to be cleaned by ultrasonic waves before being crushed, and is crushed after being dried.

Preferably, the grit size is 60 to 120 mesh.

Preferably, the powder is completely immersed in the acidic solvent during the washing, and then the powder is filtered out by means of filtration, and the washing process is the same.

Preferably, the pressure is kept at 8MPa during the compression molding, and the pressure is kept for 3 minutes before the material is taken out.

Preferably, after the blank sample is pressed and formed, the blank sample needs to be dried, and redundant water in the blank is removed.

Compared with the prior art, the invention has the following beneficial effects:

according to the method for manufacturing the reclaimed sand of the ceramic grinding wheel, the waste grinding wheel is crushed and processed to prepare particles, various materials are added for regeneration, the prepared reclaimed sand has good wear resistance and hardness, resources are recycled, the process is simple, the qualified rate of finished products is high, and the reclaimed sand can be recovered by recycling.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, technical solutions of the embodiments of the present disclosure are clearly and completely described, and in order to keep the following description of the embodiments of the present disclosure clear and concise, detailed descriptions of known functions and known components are omitted from the present disclosure to avoid unnecessarily obscuring the concepts of the present disclosure.

Example 1

A method for manufacturing reclaimed sand of a ceramic grinding wheel comprises the following operations:

smashing hole filling materials at the inner hole part of the waste ceramic grinding wheel, removing other impurities, carrying out ultrasonic cleaning, drying, crushing the waste ceramic grinding wheel by a crusher, and then putting the crushed waste ceramic grinding wheel into a ball mill for crushing to obtain powder;

sieving the ball-milled powder, and introducing other large sand grains into the ball mill again for crushing until the grain size is 60-120 meshes;

introducing the powder into an acid solvent for cleaning, taking out the powder for rinsing in clear water, completely immersing the powder into the acid solvent, filtering the powder in a filtering mode, performing the same water washing process, finally removing surface impurities at high temperature, and performing drying treatment;

mixing the powder with magnesium chloride liquid, magnesia powder, dextrin powder and quartz stone powder, putting the mixture into a mould for compression molding, keeping the pressure at 8MPa for 3 minutes, taking out the mixture, drying the mixture, removing excessive water in a blank, putting a blank sample into a high-temperature furnace for firing, and taking out the blank after the blank is naturally cooled;

and taking out the product, crushing the product into blocks by a crusher, and then introducing the blocks into a ball mill for grinding to form reclaimed sand.

Example 2

A method for manufacturing reclaimed sand of a ceramic grinding wheel comprises the following operations:

smashing hole filling materials at the inner hole part of the waste ceramic grinding wheel, removing other impurities, carrying out ultrasonic cleaning, drying, crushing the waste ceramic grinding wheel by a crusher, and then putting the crushed waste ceramic grinding wheel into a ball mill for crushing to obtain powder;

sieving the ball-milled powder, and introducing other larger sand grains into the ball mill again for crushing until the sand grains reach the standard;

introducing the powder into an acid solvent for cleaning, taking out the powder for rinsing in clear water, completely immersing the powder into the acid solvent, filtering the powder in a filtering mode, performing the same water washing process, finally removing surface impurities at high temperature, and performing drying treatment;

mixing the powder with magnesium chloride liquid, magnesia powder, dextrin powder and quartz stone powder, putting the mixture into a mould for compression molding, then drying the mixture, removing excessive water in a blank, putting a blank sample into a high-temperature furnace for firing, and taking out the blank after the blank is fired and naturally cooled;

and taking out the product, crushing the product into blocks by a crusher, and then introducing the blocks into a ball mill for grinding to form reclaimed sand.

Example 3

A method for manufacturing reclaimed sand of a ceramic grinding wheel comprises the following operations:

smashing hole filling materials at the inner hole part of the waste ceramic grinding wheel, removing other impurities, carrying out ultrasonic cleaning, carrying out drying treatment, crushing the waste ceramic grinding wheel by a crusher, then putting the crushed waste ceramic grinding wheel into a ball mill for crushing to obtain powder, screening the ball-milled powder, and introducing other larger sand grains into the ball mill again for crushing until the sand grains reach the standard;

introducing the powder into an acid solvent for cleaning, taking out the powder for rinsing in clear water, completely immersing the powder into the acid solvent, filtering the powder in a filtering mode, performing the same water washing process, finally removing surface impurities at high temperature, and performing drying treatment;

mixing the powder with magnesium chloride liquid, magnesia powder, dextrin powder and quartz stone powder, putting the mixture into a mould for compression molding, finally putting a blank sample into a high-temperature furnace for firing, taking out the blank sample after the blank sample is naturally cooled, taking out the product, crushing the product into blocks by a crusher, and then introducing the blocks into a ball mill for grinding to form reclaimed sand.

Experiment of

To sum up, each convenience of the reclaimed sand meets the standard.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.