阅读说明：本技术 一种新型耐火砖材料及其制备工艺 (Novel refractory brick material and preparation process thereof ) 是由 毋济祥 范刘民 段阳阳 苗云 王金霞 卢珺珺 卢爱军 王红栓 于 2020-10-23 设计创作，主要内容包括：本发明提出了一种新型耐火砖材料及其制备工艺,包括硬质黏土、高铝熟料、烧结莫来石、电熔莫来石、棕刚玉、软质黏土、氧化硅微粉、氧化铝微粉、酸性磷酸铝,其组成成分为：硬质黏土：8%-12%；高铝熟料：10%-60%；烧结莫来石：1%-6%；电熔莫来石：1%-6%；棕刚玉：18%-22%；软质黏土：10%-15%；氧化硅微粉：1%-5%；氧化铝微粉：1%-7%；酸性磷酸铝：8%-28,该新型耐火砖材料使得耐火材料及其制备工艺,使得耐火材料具有良好的结构稳定性及气密性,能够经历高温环境下各种化学及物理作用,保证热工设备的安全正常运行,达到长寿、高效、低消耗的要求,同时还应当具备良好的砌筑效果。(The invention provides a novel refractory brick material and a preparation process thereof, wherein the refractory brick material comprises hard clay, high-alumina clinker, sintered mullite, electrofused mullite, brown fused alumina, soft clay, silicon oxide micro powder, alumina micro powder and acidic aluminum phosphate, and comprises the following components: hard clay: 8% -12%; high-alumina clinker aggregate: 10% -60%; sintering mullite: 1% -6%; electrically melting mullite: 1% -6%; brown corundum: 18% -22%; soft clay: 10% -15%; silicon oxide micro powder: 1% -5%; alumina micropowder: 1% -7%; acidic aluminum phosphate: 8% -28, the novel refractory brick material enables the refractory material and the preparation process thereof to have good structural stability and air tightness, can experience various chemical and physical actions in a high-temperature environment, ensures the safe and normal operation of thermal equipment, meets the requirements of long service life, high efficiency and low consumption, and simultaneously has good masonry effect.)

1. A novel refractory brick material is characterized in that: the material comprises hard clay, high-alumina clinker, sintered mullite, fused mullite, brown corundum, soft clay, silicon oxide micro powder, alumina micro powder and acidic aluminum phosphate, and comprises the following components:

hard clay: 8% -12%;

high-alumina clinker aggregate: 10% -60%;

sintering mullite: 1% -6%;

electrically melting mullite: 1% -6%;

brown corundum: 18% -22%;

soft clay: 10% -15%;

silicon oxide micro powder: 1% -5%;

alumina micropowder: 1% -7%;

acidic aluminum phosphate: 8 to 28 percent.

2. The preparation process of the novel refractory brick material is characterized by comprising the following steps of:

s1) cleaning: firstly, cleaning a forced stirrer;

s2) proportioning: accurately weighing the semi-finished raw materials by using an electronic batching scale according to the weight required by the batching list;

s3) mixing: and pouring the semi-finished raw materials into a forced mixer in sequence, and dry-mixing for 5-8 min.

3. Discharging the premix out of the stirrer, and subpackaging into bags for later use;

s4) preparing materials: packaging the binding agent into 200kg per barrel;

s5) weighing the premix, adding the bonding agent into the premix according to the proportion, and stirring for 15-20min to build the refractory bricks.

4. The process for preparing a novel refractory according to claim 2, wherein: the semi-finished product comprises the following raw materials: the semi-finished product comprises the following raw materials of hard clay, high-alumina clinker, sintered mullite, fused mullite, brown corundum, soft clay, silicon oxide micro powder, alumina micro powder and acidic aluminum phosphate, wherein the raw materials of the semi-finished product comprise:

hard clay: AI2O 3: 45.67-59.85;

SIO2：36.08-46.56；

Fe2O3：1.2；

K2O：0.43；

Cao：0.19；

TiO2：1.99；

Mgo：0.18；

Na2O：0.08；

high-alumina clinker aggregate: AI2O 3: 80.14-85.69;

SIO2：10.78-17.96；

Fe2O3：1.1；

Cao：0.6；

Mgo：0.2；

sintering mullite: AI2O 3: 66.21-70.18;

SIO2：27.63-32.66；

Fe2O3：0.61-1.68；

Cao：0.3；

Mgo：0.22；

electrically melting mullite: AI2O 3: 66.22-68.54;

SIO2：31.6-21.3；

Fe2O3：0.17-0.38；

brown corundum: AI2O 3: 95.4-97.1;

SIO2：1.5-1.8；

Fe2O3：0.91；

Cao：0.25；

Mgo：0.18；

Na2O：0.06；

soft clay: AI2O 3: 32.4 of the total weight of the mixture;

SIO2：51.76；

Fe2O3：2.61；

Cao：0.18；

Mgo：2.66；

Na2O：0.32；

TiO2：0.31；

silicon oxide micro powder: AI2O 3: 1.28;

SIO2：95.78；

Fe2O3：0.1；

Cao：0.21；

Mgo：0.36；

C：2.16；

K2O：0.11；

alumina micropowder: AI2O 3: 99.5-99.81;

SIO2：0.16-0.025；

Fe2O3：0.03；

Cao：0.03；

Mgo：0.04；

Na2O：0.03；

acidic aluminum phosphate: al2O 3: 16.1;

H2O：17.01；

P2O5：66.89。

5. the process for preparing a novel refractory according to claim 2, wherein: the binding agent is an environment-friendly inorganic cementing agent.

Technical Field

The invention relates to the technical field of refractory materials, in particular to a novel refractory brick material and a preparation process thereof.

Background

Refractory materials are generally divided into two categories, namely unshaped refractory and shaped refractory. The unshaped refractory material, also called as casting material, is a mixed powder granule composed of various aggregates or aggregates and one or more kinds of adhesives, and when in use, the unshaped refractory material must be matched with one or more kinds of liquids to be stirred uniformly, and has stronger fluidity. The shaped refractory material generally refers to a refractory brick, the shape of which has standard rules, and the shaped refractory material can also be temporarily processed when being built and cut as required, wherein the refractory mortar is a main raw material, so that the key of the refractory material is how to reduce dust and increase the adhesiveness of the material, and meanwhile, the good plasticity of the refractory material is increased.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects and provide a novel refractory brick material and a preparation process thereof, so that the refractory material has good structural stability and air tightness, can experience various chemical and physical actions in a high-temperature environment, ensures the safe and normal operation of thermal equipment, meets the requirements of long service life, high efficiency and low consumption, simultaneously has a good masonry effect, and can effectively solve the problems in the background art.

In order to achieve the above object, the present invention proposes: a novel refractory brick material comprises hard clay, high-alumina clinker, sintered mullite, fused mullite, brown corundum, soft clay, silicon oxide micro powder, aluminum oxide micro powder and acidic aluminum phosphate, and comprises the following components:

hard clay: 8% -12%;

high-alumina clinker aggregate: 10% -60%;

sintering mullite: 1% -6%;

electrically melting mullite: 1% -6%;

brown corundum: 18% -22%;

soft clay: 10% -15%;

silicon oxide micro powder: 1% -5%;

alumina micropowder: 1% -7%;

acidic aluminum phosphate: 8 to 28 percent.

The invention also provides a preparation process of the novel refractory brick material, which comprises the following steps:

s1) cleaning: firstly, cleaning a forced stirrer;

s2) proportioning: accurately weighing the semi-finished raw materials by using an electronic batching scale according to the weight required by the batching list;

s3) mixing: and pouring the semi-finished raw materials into a forced mixer in sequence, and dry-mixing for 5-8 min. Discharging the premix out of the stirrer, and subpackaging into bags for later use;

s4) preparing materials: packaging the binding agent into 200kg per barrel;

s5) weighing the premix, adding the bonding agent into the premix according to the proportion, and stirring for 15-20min to build the refractory bricks;

the semi-finished product comprises the following raw materials: the semi-finished product comprises the following raw materials of hard clay, high-alumina clinker, sintered mullite, fused mullite, brown corundum, soft clay, silicon oxide micro powder, alumina micro powder and acidic aluminum phosphate, wherein the raw materials of the semi-finished product comprise:

hard clay: AI2O 3: 45.67-59.85;

SIO2：36.08-46.56；

Fe2O3：1.2；

K2O：0.43；

Cao：0.19；

TiO2：1.99；

Mgo：0.18；

Na2O：0.08；

high-alumina clinker aggregate: AI2O 3: 80.14-85.69;

SIO2：10.78-17.96；

Fe2O3：1.1；

Cao：0.6；

Mgo：0.2；

sintering mullite: AI2O 3: 66.21-70.18;

SIO2：27.63-32.66；

Fe2O3：0.61-1.68；

Cao：0.3；

Mgo：0.22；

electrically melting mullite: AI2O 3: 66.22-68.54;

SIO2：31.6-21.3；

Fe2O3：0.17-0.38；

brown corundum: AI2O 3: 95.4-97.1;

SIO2：1.5-1.8；

Fe2O3：0.91；

Cao：0.25；

Mgo：0.18；

Na2O：0.06；

soft clay: AI2O 3: 32.4 of the total weight of the mixture;

SIO2：51.76；

Fe2O3：2.61；

Cao：0.18；

Mgo：2.66；

Na2O：0.32；

TiO2：0.31；

silicon oxide micro powder: AI2O 3: 1.28;

SIO2：95.78；

Fe2O3：0.1；

Cao：0.21；

Mgo：0.36；

C：2.16；

K2O：0.11；

alumina micropowder: AI2O 3: 99.5-99.81;

SIO2：0.16-0.025；

Fe2O3：0.03；

Cao：0.03；

Mgo：0.04；

Na2O：0.03；

acidic aluminum phosphate: al2O 3: 16.1;

H2O：17.01；

P2O5：66.89。

as a preferred technical scheme, the bonding agent is an environment-friendly inorganic cementing agent.

Compared with the prior art, the invention has the beneficial effects that: the novel refractory brick material enables the refractory material and the preparation process thereof to have good structural stability and air tightness, can experience various chemical and physical actions in a high-temperature environment, ensures the safe and normal operation of thermal equipment, achieves the requirements of long service life, high efficiency and low consumption, and simultaneously has good masonry effect.

Detailed Description

Technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.

The first embodiment is as follows: a novel refractory brick material comprises hard clay, high-alumina clinker, sintered mullite, fused mullite, brown corundum, soft clay, silicon oxide micro powder, aluminum oxide micro powder and acidic aluminum phosphate, and comprises the following components:

hard clay: 8 percent;

high-alumina clinker aggregate: 20 percent;

sintering mullite: 2 percent;

electrically melting mullite: 2 percent;

brown corundum: 18 percent;

soft clay: 12 percent;

silicon oxide micro powder: 4 percent;

alumina micropowder: 6 percent;

acidic aluminum phosphate: 28 percent.

The invention also provides a preparation process of the novel refractory brick material, which comprises the following steps:

s1) cleaning: firstly, cleaning a forced stirrer;

s2) proportioning: accurately weighing the semi-finished raw materials by using an electronic batching scale according to the weight required by the batching list;

s3) mixing: and pouring the semi-finished raw materials into a forced mixer in sequence, and dry-mixing for 5-8 min. Discharging the premix out of the stirrer, and subpackaging into bags for later use;

s4) preparing materials: packaging the binding agent into 200kg per barrel;

s5) weighing the premix, adding the binder into the premix according to the proportion, and stirring for 15-20min to build the refractory bricks, wherein the proportion of the premix to the binder is 2: 1;

the semi-finished product comprises the following raw materials: the semi-finished product comprises the following raw materials of hard clay, high-alumina clinker, sintered mullite, fused mullite, brown corundum, soft clay, silicon oxide micro powder, alumina micro powder and acidic aluminum phosphate, wherein the raw materials of the semi-finished product comprise:

hard clay: AI2O 3: 59.85, respectively;

SIO2：36.08；

Fe2O3：1.2；

K2O：0.43；

Cao：0.19；

TiO2：1.99；

Mgo：0.18；

Na2O：0.08；

high-alumina clinker aggregate: AI2O 3: 80.14 of the total weight of the powder;

SIO2：17.96；

Fe2O3：1.1；

Cao：0.6；

Mgo：0.2；

sintering mullite: AI2O 3: 66.21, respectively;

SIO2： 32.66；

Fe2O3：0.61；

Cao：0.3；

Mgo：0.22；

electrically melting mullite: AI2O 3: 68.23;

SIO2：31.6；

Fe2O3：0.17；

brown corundum: AI2O 3: 97.1;

SIO2：1.5；

Fe2O3：0.91；

Cao：0.25；

Mgo：0.18；

Na2O：0.06；

soft clay: AI2O 3: 32.4 of the total weight of the mixture;

SIO2：51.76；

Fe2O3：2.61；

Cao：0.18；

Mgo：2.66；

Na2O：0.32；

TiO2：0.31；

silicon oxide micro powder: AI2O 3: 1.28;

SIO2：95.78；

Fe2O3：0.1；

Cao：0.21；

Mgo：0.36；

C：2.16；

K2O：0.11；

alumina micropowder: AI2O 3: 99.835, respectively;

SIO2： 0.025；

Fe2O3：0.03；

Cao：0.03；

Mgo：0.04；

Na2O：0.03；

acidic aluminum phosphate: al2O 3: 16.1;

H2O：17.01；

P2O5：66.89。

as a preferred technical scheme, the bonding agent is an environment-friendly inorganic cementing agent.

Example two: a novel refractory brick material comprises hard clay, high-alumina clinker, sintered mullite, fused mullite, brown corundum, soft clay, silicon oxide micro powder, aluminum oxide micro powder and acidic aluminum phosphate, and comprises the following components:

hard clay: 12 percent;

high-alumina clinker aggregate: 23 percent;

sintering mullite: 6 percent;

electrically melting mullite: 6 percent;

brown corundum: 18 percent;

soft clay: 15 percent;

silicon oxide micro powder: 5 percent;

alumina micropowder: 7 percent;

acidic aluminum phosphate: 8 percent.

The invention also provides a preparation process of the novel refractory brick material, which comprises the following steps:

s1) cleaning: firstly, cleaning a forced stirrer;

s2) proportioning: accurately weighing the semi-finished raw materials by using an electronic batching scale according to the weight required by the batching list;

s3) mixing: and pouring the semi-finished raw materials into a forced mixer in sequence, and dry-mixing for 5-8 min. Discharging the premix out of the stirrer, and subpackaging into bags for later use;

s4) preparing materials: packaging the binding agent into 200kg per barrel;

s5) weighing the premix, adding the binder into the premix according to the proportion, and stirring for 15-20min to build the refractory bricks, wherein the proportion of the premix to the binder is 2: 1;

the semi-finished product comprises the following raw materials: the semi-finished product comprises the following raw materials of hard clay, high-alumina clinker, sintered mullite, fused mullite, brown corundum, soft clay, silicon oxide micro powder, alumina micro powder and acidic aluminum phosphate, wherein the raw materials of the semi-finished product comprise:

hard clay: AI2O 3: 45.67, respectively;

SIO2： 46.56；

Fe2O3：1.2；

K2O：0.43；

Cao：0.19；

TiO2：1.99；

Mgo：0.18；

Na2O：0.08；

high-alumina clinker aggregate: AI2O 3: 85.69;

SIO2：17.96；

Fe2O3：1.1；

Cao：0.6；

Mgo：0.2；

sintering mullite: AI2O 3: 70.18, respectively;

SIO2： 32.66；

Fe2O3：0.61-1.68；

Cao：0.3；

Mgo：0.22；

electrically melting mullite: AI2O 3: 68.54, respectively;

SIO2：21.3；

Fe2O3： 0.38；

brown corundum: AI2O 3: 97.1;

SIO2：1.8；

Fe2O3：0.91；

Cao：0.25；

Mgo：0.18；

Na2O：0.06；

soft clay: AI2O 3: 32.4 of the total weight of the mixture;

SIO2：51.76；

Fe2O3：2.61；

Cao：0.18；

Mgo：2.66；

Na2O：0.32；

TiO2：0.31；

silicon oxide micro powder: AI2O 3: 1.28;

SIO2：95.78；

Fe2O3：0.1；

Cao：0.21；

Mgo：0.36；

C：2.16；

K2O：0.11；

alumina micropowder: AI2O 3: 99.56;

SIO2：0.16；

Fe2O3：0.03；

Cao：0.03；

Mgo：0.04；

Na2O：0.03；

acidic aluminum phosphate: al2O 3: 16.1;

H2O：17.01；

P2O5：66.89。

as a preferred technical scheme, the bonding agent is an environment-friendly inorganic cementing agent.

The invention has the advantages that: the novel refractory brick material enables the refractory material and the preparation process thereof to have good structural stability and air tightness, can experience various chemical and physical actions in a high-temperature environment, ensures the safe and normal operation of thermal equipment, achieves the requirements of long service life, high efficiency and low consumption, and simultaneously has good masonry effect.

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.