阅读说明：本技术 一种硅酸铝质耐火可塑料 (Aluminum silicate plastic refractory ) 是由 严海瑛 陈希来 谢斌 夏国庆 徐琰宾 于 2020-06-12 设计创作，主要内容包括：本发明公开的属于耐火可塑料技术领域,具体为一种硅酸铝质耐火可塑料,该硅酸铝质耐火可塑料的原料包括颗粒原料、黏土和添加剂,所述颗粒原料包括刚玉、莫来石、矾土、玻璃纤维、硅酸铝,所述添加剂包括可塑剂、消泡剂和耐火添加剂；原料按照质量比重分别为：刚玉18-26份、莫来石18-26份、矾土24-30份、玻璃纤维10-16、硅酸铝6-12份、黏土8-9份、可塑剂1-2份、消泡剂1-2份和耐火添加剂4-6份,通过刚玉、莫来石、矾土、玻璃纤维、硅酸铝、黏土、可塑剂、消泡剂和耐火添加剂的配合,制成的产品耐火性较好；通过黏土、刚玉、莫来石、矾土、玻璃纤维的使用,制成的产品结构强度较高。(The invention belongs to the technical field of refractory plastic, and particularly relates to an aluminum silicate refractory plastic, which comprises raw materials of particle raw materials, clay and an additive, wherein the particle raw materials comprise corundum, mullite, alumina, glass fiber and aluminum silicate, and the additive comprises a plasticizer, a defoaming agent and a refractory additive; the raw materials are respectively as follows according to mass proportion: 18-26 parts of corundum, 18-26 parts of mullite, 24-30 parts of alumina, 10-16 parts of glass fiber, 6-12 parts of aluminum silicate, 8-9 parts of clay, 1-2 parts of plasticizer, 1-2 parts of defoamer and 4-6 parts of refractory additive, wherein the prepared product has good fire resistance through the matching of the corundum, the mullite, the alumina, the glass fiber, the aluminum silicate, the clay, the plasticizer, the defoamer and the refractory additive; through the use of clay, corundum, mullite, alumina and glass fiber, the prepared product has higher structural strength.)

1. An aluminum silicate refractory plastic material is characterized in that: the raw materials of the aluminum silicate refractory plastic comprise a particle raw material, clay and an additive, wherein the particle raw material comprises corundum, mullite, alumina, glass fiber and aluminum silicate, and the additive comprises a plastic, an antifoaming agent and a refractory additive;

the corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive are respectively as follows according to mass proportion: 18-26 parts of corundum, 18-26 parts of mullite, 24-30 parts of alumina, 10-16 parts of glass fiber, 6-12 parts of aluminum silicate, 8-9 parts of clay, 1-2 parts of plasticizer, 1-2 parts of defoaming agent and 4-6 parts of refractory additive;

the preparation process of the aluminum silicate refractory plastic material comprises the following steps:

s1: granulating raw materials: preparing corundum, mullite, alumina, glass fiber, aluminum silicate and clay into particles in advance;

s2: weighing granular corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive according to mass proportion, and uniformly mixing the granular corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive in mixing equipment.

2. The alumino-silicate refractory according to claim 1, wherein: the corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive are respectively as follows according to mass proportion: 18 parts of corundum, 18 parts of mullite, 24 parts of alumina, 10 parts of glass fiber, 6 parts of aluminum silicate, 8 parts of clay, 1 part of plasticizer, 1 part of defoaming agent and 4 parts of refractory additive.

3. The alumino-silicate refractory according to claim 1, wherein: the corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive are respectively as follows according to mass proportion: 22 parts of corundum, 22 parts of mullite, 27 parts of alumina, 13 parts of glass fiber, 9 parts of aluminum silicate, 8.5 parts of clay, 1.5 parts of plasticizer, 1.5 parts of defoaming agent and 5 parts of refractory additive.

4. The alumino-silicate refractory according to claim 1, wherein: the corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive are respectively as follows according to mass proportion: 26 parts of corundum, 26 parts of mullite, 30 parts of alumina, 16 parts of glass fiber, 12 parts of aluminum silicate, 9 parts of clay, 2 parts of plasticizer, 2 parts of defoaming agent and 6 parts of refractory additive.

5. The alumino-silicate refractory according to claim 1, wherein: the grain size of the corundum, the mullite, the alumina, the glass fiber and the aluminum silicate is 80-120 meshes, and the grain size of the clay is 2-20 meshes.

6. The alumino-silicate refractory according to claim 1, wherein: the plasticizer is a phthalate plasticizer.

7. The alumino-silicate refractory according to claim 1, wherein: the fire-resistant additive is one or more of alkyl phosphate, aryl phosphate, dicyclopentadiene, aliphatic halogenated hydrocarbon, tellurium compound, aluminum hydroxide, magnesium hydroxide and borate.

8. The alumino-silicate refractory according to claim 1, wherein: the defoaming agent is one or more of mineral oil, alcohols, fatty acid and fatty acid esters, amides, phosphates, silicones, polyethers and polyether modified polysiloxane defoaming agents.

Technical Field

The invention relates to the technical field of plastic refractory materials, in particular to an aluminum silicate plastic refractory material.

Background

The refractory plastic material is made up by using refractory aggregate, powder material, raw clay, chemical composite binder and additive through the processes of compounding, mixing, extruding into adobe form, packaging and storing for a certain time, and can still have good plasticity, and can be constructed by using tamping method.

According to the variety of the refractory aggregate, the refractory aggregate can be divided into clay, high-alumina, mullite, corundum, chromium, silicon carbide, zirconium-containing refractory plastic material and the like. The binder can be classified into plastic refractory materials combined by aluminum sulfate, phosphoric acid, phosphate, water glass, resin and the like.

The plastic material has good thermal shock resistance, is easy to construct, is suitable for various heating furnaces, soaking furnaces, annealing furnaces, hot blast furnaces and the like, and can also be used for furnace covers of small electric arc furnaces, burners of high-temperature furnaces and the like.

The existing plastic refractory has a general refractory effect, and the structural strength of the finished product is general.

Disclosure of Invention

The invention aims to provide an aluminum silicate plastic refractory, which aims to solve the problems that the existing plastic refractory proposed in the background art has a common refractory effect and the manufactured finished product has a common structural strength.

In order to achieve the purpose, the invention provides the following technical scheme: an aluminum silicate plastic refractory comprises raw materials of particles, clay and additives, wherein the raw materials of the particles comprise corundum, mullite, alumina, glass fiber and aluminum silicate, and the additives comprise a plasticizer, an antifoaming agent and a refractory additive;

the corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive are respectively as follows according to mass proportion: 18-26 parts of corundum, 18-26 parts of mullite, 24-30 parts of alumina, 10-16 parts of glass fiber, 6-12 parts of aluminum silicate, 8-9 parts of clay, 1-2 parts of plasticizer, 1-2 parts of defoaming agent and 4-6 parts of refractory additive;

the preparation process of the aluminum silicate refractory plastic material comprises the following steps:

s1: granulating raw materials: preparing corundum, mullite, alumina, glass fiber, aluminum silicate and clay into particles in advance;

s2: weighing granular corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive according to mass proportion, and uniformly mixing the granular corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive in mixing equipment.

Preferably, the corundum, the mullite, the alumina, the glass fiber, the aluminum silicate, the clay, the plasticizer, the defoaming agent and the refractory additive are respectively as follows according to mass proportion: 18 parts of corundum, 18 parts of mullite, 24 parts of alumina, 10 parts of glass fiber, 6 parts of aluminum silicate, 8 parts of clay, 1 part of plasticizer, 1 part of defoaming agent and 4 parts of refractory additive.

Preferably, the corundum, the mullite, the alumina, the glass fiber, the aluminum silicate, the clay, the plasticizer, the defoaming agent and the refractory additive are respectively as follows according to mass proportion: 22 parts of corundum, 22 parts of mullite, 27 parts of alumina, 13 parts of glass fiber, 9 parts of aluminum silicate, 8.5 parts of clay, 1.5 parts of plasticizer, 1.5 parts of defoaming agent and 5 parts of refractory additive.

Preferably, the corundum, the mullite, the alumina, the glass fiber, the aluminum silicate, the clay, the plasticizer, the defoaming agent and the refractory additive are respectively as follows according to mass proportion: 26 parts of corundum, 26 parts of mullite, 30 parts of alumina, 16 parts of glass fiber, 12 parts of aluminum silicate, 9 parts of clay, 2 parts of plasticizer, 2 parts of defoaming agent and 6 parts of refractory additive.

Preferably, the particle size of the corundum, the mullite, the alumina, the glass fiber and the aluminum silicate is 80-120 meshes, and the particle size of the clay is 2-20 meshes.

Preferably, the plasticizer is a phthalate plasticizer.

Preferably, the fire-resistant additive is one or more of alkyl phosphate, aryl phosphate, dicyclopentadiene, aliphatic halogenated hydrocarbon, tellurium compound, aluminum hydroxide, magnesium hydroxide and borate.

Preferably, the defoaming agent is one or more of mineral oil, alcohols, fatty acids and fatty acid esters, amides, phosphates, silicones, polyethers and polyether modified polysiloxane defoaming agents.

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

1) the product prepared by matching corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive has better fire resistance;

2) through the use of clay, corundum, mullite, alumina and glass fiber, the prepared product has higher structural strength.

Drawings

FIG. 1 is a flow chart of the preparation process of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, the present invention provides a technical solution: an aluminum silicate plastic refractory comprises raw materials of particles, clay and additives, wherein the raw materials of the particles comprise corundum, mullite, alumina, glass fiber and aluminum silicate, and the additives comprise a plasticizer, an antifoaming agent and a refractory additive;

the corundum, mullite, alumina, glass fiber, aluminum silicate, clay, plasticizer, defoaming agent and refractory additive are respectively as follows according to mass proportion: 18-26 parts of corundum, 18-26 parts of mullite, 24-30 parts of alumina, 10-16 parts of glass fiber, 6-12 parts of aluminum silicate, 8-9 parts of clay, 1-2 parts of plasticizer, 1-2 parts of defoaming agent and 4-6 parts of refractory additive;

the preparation process of the aluminum silicate refractory plastic material comprises the following steps:

s1: granulating raw materials: corundum, mullite, alumina, glass fiber, aluminum silicate and clay are prepared into particles in advance, the particle size of the corundum, the mullite, the alumina, the glass fiber and the aluminum silicate is 80-120 meshes, and the particle size of the clay is 2-20 meshes;

s2: weighing granular corundum, mullite, alumina, glass fiber, aluminum silicate, clay, a plasticizer, an antifoaming agent and a fire-resistant additive according to mass proportion, placing the granular corundum, the mullite, the alumina, the glass fiber, the aluminum silicate, the clay, the plasticizer, the antifoaming agent and the fire-resistant additive into mixing equipment, and uniformly mixing the granular corundum, the mullite, the alumina, the glass fiber, the aluminum silicate, the clay, the plasticizer, the antifoaming agent and the fire-resistant additive, wherein the plasticizer is a phthalate plasticizer, the fire-resistant additive is one or more of alkyl phosphate esters, aryl phosphate esters, dicyclopentadiene, aliphatic halogenated hydrocarbon, tellurium compounds, hydroxyl aluminum, magnesium hydroxide and borate, and the antifoaming agent is one or more of mineral oil, alcohols, fatty acids, fatty acid esters, amides, phosphate esters, organosilicone, polyether and polyether modified polysiloxane antifoaming agent.