阅读说明：本技术 一种环保高性能石墨电极抗氧化涂料及其检测方法 (Environment-friendly high-performance graphite electrode antioxidant coating and detection method thereof ) 是由 谈彬斌 李�诚 于 2020-06-02 设计创作，主要内容包括：本发明实施例公开了一种环保高性能石墨电极抗氧化涂料及其检测方法,制备所述石墨电极抗氧化涂料的原料包括磷酸二氢铝溶液、硅酸钠、氧化铝、二氧化硅、碳化硼和氧化锆,且各组分的重量份数分别为磷酸二氢铝溶液32-50份、硅酸钠0-32份、氧化铝36-66份、二氧化硅0-66份、碳化硼0-2份、氧化锆0-10份。本发明实施例提供一种环保高性能石墨电极抗氧化涂料及其检测方法,本发明提供的环保高性能石墨电极抗氧化涂料,通过将磷酸二氢铝溶液或硅酸钠与碳化硼或二氧化硅结合,不仅耐高温、抗氧化、粘结性强,还具有经济、有效,使用方便、一次涂覆成的优点。(The embodiment of the invention discloses an environment-friendly high-performance graphite electrode antioxidant coating and a detection method thereof, wherein raw materials for preparing the graphite electrode antioxidant coating comprise 32-50 parts by weight of aluminum dihydrogen phosphate solution, 0-32 parts by weight of sodium silicate, 36-66 parts by weight of aluminum oxide, 0-66 parts by weight of silicon dioxide, 0-2 parts by weight of boron carbide and 0-10 parts by weight of zirconium oxide. The embodiment of the invention provides an environment-friendly high-performance graphite electrode antioxidant coating and a detection method thereof.)

1. An environment-friendly high-performance graphite electrode antioxidant coating is characterized in that: the raw materials for preparing the graphite electrode antioxidant coating comprise 32-50 parts by weight of aluminum dihydrogen phosphate solution, 0-32 parts by weight of sodium silicate, 36-66 parts by weight of aluminum oxide, 0-66 parts by weight of silicon dioxide, 0-2 parts by weight of boron carbide and 0-10 parts by weight of zirconium oxide.

2. The environment-friendly high-performance graphite electrode antioxidant coating as claimed in claim 1, wherein the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 32 parts of aluminum dihydrogen phosphate solution, 36 parts of alumina, 20 parts of silicon dioxide, 2 parts of boron carbide and 10 parts of zirconia.

3. The environment-friendly high-performance graphite electrode antioxidant coating as claimed in claim 1, wherein the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 32 parts of sodium silicate, 36 parts of alumina, 20 parts of silicon dioxide, 2 parts of boron carbide and 10 parts of zirconia.

4. The environment-friendly high-performance graphite electrode antioxidant coating as claimed in claim 1, wherein the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 34 parts of aluminum dihydrogen phosphate solution, 36 parts of alumina, 20 parts of silicon dioxide, 2 parts of boron carbide and 10 parts of zirconia.

5. The environment-friendly high-performance graphite electrode antioxidant coating as claimed in claim 1, wherein the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 34 parts of aluminum dihydrogen phosphate solution and 66 parts of alumina.

6. The environment-friendly high-performance graphite electrode antioxidant coating as claimed in claim 1, wherein the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 34 parts of aluminum dihydrogen phosphate solution and 66 parts of silicon dioxide.

7. The environment-friendly high-performance graphite electrode antioxidant coating as claimed in claim 1, wherein the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 50 parts of aluminum dihydrogen phosphate solution and 50 parts of aluminum oxide.

8. The environment-friendly high-performance graphite electrode antioxidant coating as claimed in claim 1, is characterized in that: the mass sum of the aluminum dihydrogen phosphate solution, the sodium silicate and the boron carbide is 34 percent of the total mass of the raw materials for preparing the graphite electrode antioxidant coating.

9. The detection method of the environment-friendly high-performance graphite electrode antioxidant coating as claimed in any one of claims 1 to 8, characterized in that: the method comprises the steps of smearing the environment-friendly high-performance graphite electrode antioxidant coating on the surface of a graphite electrode block, naturally airing, placing in a container with the temperature of 1350-.

10. The detection method of the environment-friendly high-performance graphite electrode antioxidant coating as claimed in claim 9, is characterized in that: the container is a muffle furnace, and the heating temperature of the container is 1400 ℃.

Technical Field

The invention relates to the technical field of electrode materials, in particular to an environment-friendly high-performance graphite electrode antioxidant coating and a detection method thereof.

Background

The graphite electrode for metallurgical enterprise has petroleum coke and coal tar pitch as main material, and has excellent high temperature performance, low heat expansion coefficient, light weight, high corrosion resistance, easy machining and excellent heat shock resistance, but it is easy to oxidize at high temperature, and the oxidation of graphite is increased sharply from 450 deg.c and over 750 deg.c and is increased with the temperature.

The surface temperature of the electrode is high, and a large amount of air enters from an electrode hole of a furnace cover, a furnace door and the like to cause serious oxidation, the consumption of the electrode mainly comprises tip consumption, mechanical breakage and side oxidation, and the side oxidation of the electrode is to produce carbon monoxide and carbon dioxide by the action of oxygen in furnace gas and graphite, accounting for 50-70% of the total consumption, so that the research on the oxidation problem of the graphite electrode is particularly important.

Disclosure of Invention

Therefore, the embodiment of the invention provides an environment-friendly high-performance graphite electrode antioxidant coating and a detection method thereof, so as to solve the problem that the oxidation of a graphite electrode is very serious in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

according to the first aspect of the embodiment of the invention, the raw materials for preparing the graphite electrode antioxidant coating comprise 32-50 parts by weight of aluminum dihydrogen phosphate solution, 0-32 parts by weight of sodium silicate, 36-66 parts by weight of aluminum oxide, 0-66 parts by weight of silicon dioxide, 0-2 parts by weight of boron carbide and 0-10 parts by weight of zirconium oxide.

Further, the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 32 parts of aluminum dihydrogen phosphate solution, 36 parts of alumina, 20 parts of silicon dioxide, 2 parts of boron carbide and 10 parts of zirconia.

Further, the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 32 parts of sodium silicate, 36 parts of alumina, 20 parts of silicon dioxide, 2 parts of boron carbide and 10 parts of zirconia.

Further, the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 34 parts of aluminum dihydrogen phosphate solution, 36 parts of alumina, 20 parts of silicon dioxide, 2 parts of boron carbide and 10 parts of zirconia.

Further, the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 34 parts of aluminum dihydrogen phosphate solution and 66 parts of alumina.

Further, the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 34 parts of aluminum dihydrogen phosphate solution and 66 parts of silicon dioxide.

Further, the raw materials for preparing the graphite electrode antioxidant coating comprise the following components in parts by weight: 50 parts of aluminum dihydrogen phosphate solution and 50 parts of aluminum oxide.

Further, the mass sum of the aluminum dihydrogen phosphate solution, the sodium silicate and the boron carbide is 34% of the total mass of the raw materials for preparing the graphite electrode antioxidant coating.

According to the second aspect of the embodiment of the invention, the detection method of the environment-friendly high-performance graphite electrode antioxidant coating is provided, and comprises the steps of coating the environment-friendly high-performance graphite electrode antioxidant coating on the surface of a graphite electrode block, naturally airing, heating in a container with the temperature of 1350-.

Further, the container is a muffle furnace, and the heating temperature of the container is 1400 ℃.

The embodiment of the invention has the following advantages: the embodiment of the invention provides an environment-friendly high-performance graphite electrode antioxidant coating and a detection method thereof. In addition, by adopting the detection method, the product can be sampled and detected in time, so that the performance of the product can be monitored in time.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that unless otherwise specified, technical terms or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention pertains, and experimental materials in the following examples are commercially available unless otherwise specified, and the experimental methods described are general experimental methods unless otherwise specified.

In view of the deficiencies in the prior art, the inventor of the present invention has made extensive studies and extensive practices to propose the technical solution of the present invention, and further explains the technical solution, the implementation process and the principle thereof, etc.