阅读说明：本技术 一种环保型新型建筑砌块材料 (Environment-friendly novel building block material ) 是由 刘传礼 于 2018-06-13 设计创作，主要内容包括：本发明属于环保砌块材料技术领域,具体涉及环保型新型建筑砌块材料。所述环保型新型建筑砌块材料,由以下重量份的原料制成,镁水泥70-90重量份、玉米秸秆颗粒30-40重量份、煤粉灰20-25重量份、硅藻土34-38重量份、矿渣粉10-15重量份、甲基硅酸钠10-14重量份、标准砂22-26重量份和脲醛树脂4-6重量份组成。本发明制备的建筑砌块质轻,仅为610kg/m<Sup>3</Sup>,另外抗压强度和抗折强度优异,提高了材料的任性和抗裂性。本发明制备的建筑砌块加入了比表面积为8000cm<Sup>2</Sup>/g的矿渣粉,有效提供了材料的力学性能和耐水性。本发明采取玉米秸秆颗粒制备出砌块材料,材料的导热系数显著下降,保温性能提高。(The invention belongs to the technical field of environment-friendly building block materials, and particularly relates to an environment-friendly novel building block material. The environment-friendly novel building block material is prepared from the following raw materials, by weight, 70-90 parts of magnesium cement, 30-40 parts of corn straw particles, 20-25 parts of coal ash, 34-38 parts of diatomite, 10-15 parts of slag powder, 10-14 parts of sodium methyl silicate, 22-26 parts of standard sand and 4-6 parts of urea-formaldehyde resin. The building block prepared by the invention has light weight, only 610kg/m 3 In addition, the compressive strength and the breaking strength are excellent, and the toughness and the crack resistance of the material are improved. The building block prepared by the invention is added with the specific surface area of 8000cm 2 The slag powder per gram effectively provides the mechanical property and the water resistance of the material. The invention adopts the corn straw particles to prepare the building block material, the heat conductivity coefficient of the material is obviously reduced, and the heat insulation performance is improved.)

1. The novel environment-friendly building block material is characterized in that: the environment-friendly novel building block material is prepared from the following raw materials, by weight, 70-90 parts of magnesium cement, 30-40 parts of corn straw particles, 20-25 parts of coal ash, 34-38 parts of diatomite, 10-15 parts of slag powder, 10-14 parts of sodium methyl silicate, 22-26 parts of standard sand and 4-6 parts of urea-formaldehyde resin.

2. The environment-friendly novel building block material as claimed in claim 1, wherein: the environment-friendly novel building block material is prepared by the following steps:

1) preparing raw materials: firstly, uniformly stirring magnesium cement and coal ash, then adding diatomite, mineral powder slag and water, mixing and stirring to form slurry, controlling the temperature of the slurry to be 40 ℃, then adding corn straw particles and urea resin into the slurry, stirring, mixing the slurry, standard sand and sodium methylsilicate together to form slurry, controlling the temperature of the slurry to be 43-46 ℃, and uniformly stirring until the fluidity of the slurry is controlled to be 25-28 cm;

2) pouring the slurry material in the step 1) into a mold body, and placing the mold body filled with the slurry material in a temperature condition of 30-35 ℃ for static pre-curing for 90-120 minutes;

3) removing the die body, and transferring and cutting the whole blank after demoulding into building blocks with required specification and size;

4) transferring the building blocks into a kettle and performing steam pressure curing by using steam;

5) and (4) inspecting the building blocks discharged from the kettle, and then transferring the building blocks to a warehouse to obtain finished products, wherein the finished products are stored in the warehouse for at least 5 days.

3. The environment-friendly novel building block material according to claim 1, characterized in that: the environment-friendly novel building block material comprises, by weight, 80 parts of magnesium cement, 35 parts of corn straw particles, 22 parts of coal ash, 36 parts of diatomite, 13 parts of slag powder, 12 parts of sodium methyl silicate, 23 parts of standard sand and 5 parts of urea-formaldehyde resin.

4. The environment-friendly novel building block material according to claim 1 or 2, characterized in that: the grain diameter of the corn straw particles is 1mm-10 mm.

5. The environment-friendly novel building block material according to claim 1 or 2, characterized in that: the specific surface area of the slag powder is 8000cm²/g。

6. The environment-friendly novel building block material according to claim 1 or 2, characterized in that: the diatomite is diatomite calcined at 600 ℃.

Technical Field

The invention belongs to the technical field of environment-friendly building block materials, and particularly relates to an environment-friendly novel building block material.

Background

The green building material is a development trend of a novel building material, the green building material is a building material with the properties of environmental protection, energy conservation, health, safety, reliability, renewability and the like, the core content of the green building material is that a clean technology is adopted, pollution control design is carried out in the links of original selection, product manufacture, a use process or recycling, waste treatment and the like, nontoxic and harmless raw materials are selected, the pollution generation is reduced as far as possible in the production process, byproducts are recycled as far as possible, and the product is not polluted and threatened to the environment and human health in the use process. China is a big agricultural country, agricultural and sideline products are abundant, the variety quantity is large, the total amount of crop straws in China exceeds 7 hundred million tons, but the utilization rate of the straws is only about 5%, after the crops are harvested, in order to ensure the cultivation of the land again, a large amount of crop straws are burnt, a large amount of natural resources are wasted, the environment is polluted, carbon dioxide in the air is seriously overproof, along with the enhancement of environmental awareness of people, the problem of crop straw treatment gradually arouses the attention of people, more importantly, the renewable resources are developed, and the non-renewable resources can be greatly supplemented.

The crop straw resources in China are rich, the collectable resource quantity of main crop straws in 2015 in China reaches 9 hundred million tons, but the comprehensive utilization rate of the crop straws in China is low, the straw surplus causes a series of social problems such as straw burning, road safety and the like, the high-value comprehensive utilization technology of the crop straws is researched and developed through technological innovation, the sustainable development of agricultural production in China is promoted, and the crop straw comprehensive utilization technology becomes a hot problem which is highly concerned and urgently needed to be solved in the whole society.

Disclosure of Invention

The invention aims to provide an environment-friendly novel building block material. The building block material prepared by the invention has the advantages of light weight, excellent mechanical property, good thermal insulation property, low water absorption, low cost and simple manufacturing process, and can realize industrial production.

The invention realizes the purpose by the following technical scheme, and the environment-friendly novel building block material is prepared from the following raw materials, by weight, 70-90 parts of magnesium cement, 30-40 parts of corn straw particles, 20-25 parts of coal ash, 34-38 parts of diatomite, 10-15 parts of slag powder, 10-14 parts of sodium methylsilicate, 22-26 parts of standard sand and 4-6 parts of urea resin.

The environment-friendly novel building block material is prepared by the following steps:

1) preparing raw materials: firstly, uniformly stirring magnesium cement and coal ash, then adding diatomite, mineral powder slag and water, mixing and stirring to form slurry, controlling the temperature of the slurry to be 40 ℃, then adding corn straw particles and urea resin into the slurry, stirring, mixing the slurry with uniformly stirred standard sand and sodium methyl silicate together to form slurry, controlling the temperature of the slurry to be 43-46 ℃, and uniformly stirring until the fluidity of the slurry is controlled to be 25-28 cm;

2) pouring slurry material with the fluidity of 25-28 cm into the mold body, and placing the mold body filled with the slurry material in a temperature condition of 30-35 ℃ for static pre-curing for 90-120 minutes;

3) removing the die body, and transferring and cutting the whole blank after demoulding into building blocks with required specification and size;

4) transferring the building blocks into a kettle and performing steam pressure curing by using steam;

5) and (4) inspecting the building blocks after the building blocks are taken out of the kettle, and then transferring the building blocks to a warehouse to obtain finished products, wherein the finished products can be delivered for use after being stored in the warehouse for at least 5 days.

The environment-friendly novel building block material comprises, by weight, 70-90 parts of magnesium cement, 30-40 parts of corn straw particles, 20-25 parts of coal ash, 34-38 parts of diatomite, 10-15 parts of slag powder, 10-14 parts of sodium methyl silicate, 22-26 parts of standard sand and 4-6 parts of urea resin; the preparation method of the environment-friendly novel building block material.

Preferably, the environment-friendly novel building block material comprises the following components, by weight, 80 parts of magnesium cement, 35 parts of corn straw particles, 22 parts of coal ash, 36 parts of diatomite, 13 parts of slag powder, 12 parts of sodium methyl silicate, 23 parts of standard sand and 5 parts of urea-formaldehyde resin;

preferably, the particle size of the corn straw particles is 1mm-10 mm;

preferably, the specific surface area of the slag powder is 8000cm²/g；

Preferably, the diatomite is calcined at 600 ℃, organic matters are calcined after the diatomite is calcined, the diatomite is relatively enriched, the porosity is increased, and the specific surface area is increased.

The urea-formaldehyde resin is adopted to be bonded with the corn straw particles, then the bonding with the interface of the magnesium cement is compact, and the compressive strength and the flexural strength of the composite material can be improved after the resin is added.

Compared with the prior art, the environment-friendly novel building block material prepared by the invention has the following advantages:

1) the building block of the invention has light weight, only 610kg/m³In addition compressive strength and flexural strengthThe degree is excellent, and the toughness and the crack resistance of the material are improved;

2) the building block of the invention is added with the specific surface area of 8000cm²The slag powder per gram effectively provides the mechanical property and the water resistance of the material;

3) the invention adopts the corn straw particles to prepare the building block material, the heat conductivity coefficient of the material is obviously reduced, and the heat insulation performance is improved.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention.