阅读说明：本技术 一种碳酸钙的加工工艺 (Processing technology of calcium carbonate ) 是由 罗慧 于 2019-10-25 设计创作，主要内容包括：本发明公开了一种碳酸钙的加工工艺,属于木材加工技术领域,包括以下步骤：石灰石的选择称量；石灰石筛选滤杂质；通过二氧化碳进行碳酸钙的制备；副产品收集处理；产物收集干燥,存储；本发明所提供的碳酸钙的加工工艺通过进行石灰石的筛选处理,确保加工过程中的副产品的产量减少,增加碳酸钙的产量,同时在加工工艺中进行副产品的收集处理将副产品进行收集,并进行还原处理,减少污染的排放。(The invention discloses a processing technology of calcium carbonate, belonging to the technical field of wood processing, and comprising the following steps: selecting and weighing limestone; screening limestone and filtering impurities; preparing calcium carbonate by carbon dioxide; collecting and treating byproducts; collecting, drying and storing a product; the processing technology of the calcium carbonate ensures that the yield of the by-products in the processing process is reduced and the yield of the calcium carbonate is increased by screening the limestone, and meanwhile, the by-products are collected and reduced by collecting the by-products in the processing technology, so that the emission of pollution is reduced.)

1. The processing technology of calcium carbonate is characterized by comprising the following steps:

s1, selecting and weighing limestone;

s2, screening and filtering impurities by limestone;

s3, preparing calcium carbonate by using carbon dioxide;

s4, collecting and processing by-products;

and S5, collecting, drying and storing the product.

2. The process of claim 1, wherein the step S1 includes selecting limestone, and selecting limestone with a relatively flat surface and a relatively white color for the preparation of calcium carbonate.

3. The process of claim 1, wherein in step S2, the limestone is selected to be finer and smoother by primarily pulverizing the selected limestone and primarily filtering the pulverized limestone with a filter screen.

4. The process for processing calcium carbonate according to claim 1, wherein limestone obtained by the preliminary screening in the step S3 is added into a reaction kettle, carbon dioxide is introduced to the reaction kettle for reaction, and the reaction temperature is controlled to be 60 ℃ during the reaction.

5. The process of claim 1, wherein the collection of the by-product in step S4 is performed by cleaning the residue at the bottom of the reaction kettle, and the collected by-product is subjected to a reduction reaction to reduce the available material.

Technical Field

The invention belongs to the technical field of wood processing, and particularly relates to a processing technology of calcium carbonate.

Background

The calcium carbonate has the advantages of wide raw material, low price, no toxicity and convenient use, is one of the inorganic filling agents with the largest output and dosage at home and abroad, and is mainly used as the filling material in the industries of plastics, rubber, coatings, paints, paper making and the like. However, calcium carbonate produced by conventional processes has hydrophilic and oleophobic surface properties that serve only as an extender and filler.

Disclosure of Invention

The invention aims to provide a processing technology of calcium carbonate to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a processing technology of calcium carbonate comprises the following steps:

s1, selecting and weighing limestone;

s2, screening and filtering impurities by limestone;

s3, preparing calcium carbonate by using carbon dioxide;

s4, collecting and processing by-products;

and S5, collecting, drying and storing the product.

As a further preferable embodiment of the present invention: and the step S1 comprises the selection of limestone, wherein the limestone with a smooth surface and a white color is selected for preparing the calcium carbonate.

As a further preferable embodiment of the present invention: in the step S2, the selected limestone is primarily pulverized and primarily filtered by a filter screen, so that the relatively fine and smooth limestone is selected.

As a further preferable embodiment of the present invention: in the step S3, limestone obtained by preliminary screening is added into a reaction kettle, carbon dioxide is introduced at the same time, and the reaction is carried out while controlling the reaction temperature at 60 ℃.

As a further preferable embodiment of the present invention: and collecting the byproducts in the step S4 by cleaning residues at the bottom of the reaction kettle, and simultaneously carrying out reduction reaction treatment on the collected byproducts to reduce available substances.

Compared with the prior art, the invention has the beneficial effects that: the processing technology of the calcium carbonate ensures that the yield of the by-products in the processing process is reduced and the yield of the calcium carbonate is increased by screening the limestone, and meanwhile, the by-products are collected and reduced by collecting the by-products in the processing technology, so that the emission of pollution is reduced.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

The invention provides a processing technology of calcium carbonate, which comprises the following steps:

s1, selecting and weighing limestone;

s2, screening and filtering impurities by limestone;

s3, preparing calcium carbonate by using carbon dioxide;

s4, collecting and processing by-products;

and S5, collecting, drying and storing the product.

Specifically, the step S1 includes selecting limestone, and selecting limestone with a relatively flat surface and a relatively white color for preparing calcium carbonate.

Specifically, in step S2, the selected limestone is primarily pulverized and primarily filtered through a filter screen, so that the relatively fine and flat limestone is selected.

Specifically, in the step S3, limestone obtained by preliminary screening is added into the reaction kettle, and carbon dioxide is introduced to perform a reaction, wherein the reaction temperature is controlled to be 60 ℃ during the reaction.

Specifically, the byproduct is collected in step S4 by cleaning the residue at the bottom of the reaction kettle, and the collected byproduct is subjected to a reduction reaction to reduce the available substance.

The processing technology of the calcium carbonate ensures that the yield of the by-products in the processing process is reduced and the yield of the calcium carbonate is increased by screening the limestone, and meanwhile, the by-products are collected and reduced by collecting the by-products in the processing technology, so that the emission of pollution is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.