阅读说明：本技术 水泥模板及其制备方法 (Cement formwork and preparation method thereof ) 是由 康刚会 于 2019-11-14 设计创作，主要内容包括：水泥模板,包括以下重量份数的各组分：纤维原料30-40份；填料20-30份；固化剂20-30份；分散剂1-3份；消泡剂1-2份,本配方采用纤维原料和填料作为主要成分,而采用的纤维原料如稻草纤维、秸秆纤维和木粉来源广泛,采用的填料如石粉、干燥污泥、细砂、珍珠岩、电厂飞灰和电木粉为各个行业常见的废弃物,而与纤维原料搭配后,变废为保,成本低廉,具有很高的性价比,减少了化学原料和木材的使用,更加环保；增加了环保水泥模板的效益,减少化学品的消耗,减少砍伐天然林木及木材的消耗,因二氧化碳排放加大,全球浓度已到达400ppm,使全球暖化加巨,极端气候变多,鼓励可用的废物循环利用,增加绿水青山环保的功能,且制备方法简单,成本低,适合大规模推广应用。(The cement template comprises the following components in parts by weight: 30-40 parts of fiber raw materials; 20-30 parts of a filler; 20-30 parts of a curing agent; 1-3 parts of a dispersant; 1-2 parts of defoaming agent, wherein the formula adopts fiber raw materials and fillers as main components, the adopted fiber raw materials such as straw fiber, straw fiber and wood powder have wide sources, the adopted fillers such as stone powder, dried sludge, fine sand, perlite, fly ash of a power plant and bakelite powder are common wastes in various industries, and after the fillers are matched with the fiber raw materials, the wastes are changed into wastes, the cost is low, the cost performance is very high, the use of chemical raw materials and wood is reduced, and the environment is protected; the environment-friendly cement template has the advantages that the benefit of the environment-friendly cement template is increased, the consumption of chemicals is reduced, the consumption of felling natural forest trees and wood is reduced, the global concentration reaches 400ppm due to the increase of carbon dioxide emission, the global warming is increased greatly, the extreme climate is increased, the recycling of available wastes is encouraged, the environment-friendly function of green water green mountains is increased, the preparation method is simple, the cost is low, and the environment-friendly cement template is suitable for large-scale popularization and application.)

1. The cement template is characterized by comprising the following components in parts by weight:

2. the cement template as claimed in claim 1, characterized by comprising the following components in parts by weight:

3. the cement formwork according to claim 1 or 2, wherein the fiber material is selected from any one or a mixture of several of straw fiber, straw fiber and wood flour.

4. The cement formwork according to claim 1 or 2, characterized in that: the filler is selected from any one or a mixture of more of stone powder, dried sludge, fine sand, perlite, silica powder, fly ash of a power plant and bakelite powder.

5. The cement formwork according to claim 1 or 2, characterized in that: the curing agent is selected from any one or a combination of magnesium chloride, magnesium oxide and sodium chloride.

6. The cement formwork according to claim 1 or 2, characterized in that: the dispersant is silicon dioxide.

7. The cement formwork according to claim 1 or 2, characterized in that: the defoaming agent is a water-soluble defoaming agent.

8. The cement formwork of claim 3, wherein: the method is characterized in that: the size of the fiber raw material is 10-30 meshes.

9. The cement template of claim 4, wherein: the size of the filler is 50-60 meshes.

10. The method for preparing a cement formwork according to claim 1, characterized by comprising the steps of:

step 1, respectively collecting fiber raw materials and fillers;

step 2, respectively drying the fiber raw material and the filler until the dryness is 70-80%;

step 3, respectively grinding the fiber raw materials and the filler to 90-100 meshes, wherein the fineness is consistent;

step 4, uniformly stirring the ground fiber raw materials and the filler;

step 5, adding a curing agent, a dispersing agent and a defoaming agent, and uniformly stirring;

step 6, then sending the raw materials uniformly stirred in the step 5 into a mould at the temperature of 60-70 ℃ and the pressure of 200-²Gradually pressing for 3-4min in sections to 1.5-3.0 cm to obtain the required cement template.

Technical Field

The invention relates to the technical field of cement templates and preparation thereof, in particular to a cement template and a preparation method thereof.

Background

The building formwork is a temporary supporting structure, which is manufactured according to the design requirements, so that the concrete structure and the members are formed according to the specified positions and geometric dimensions, the correct positions of the concrete structure and the members are kept, and the self weight of the building formwork and the external load acting on the building formwork are borne. The purpose of the template engineering is to ensure the quality and the construction safety of the concrete engineering, accelerate the construction progress and reduce the engineering cost.

The invention patent of Chinese patent with patent number 201510347925.8 discloses a high-strength steelThe strength cement template comprises the following components: urea-formaldehyde resin, sodium silicate, a lubricant, zinc oxide, stearic acid, calcium sulfonate, barium sulfonate, triethanolamine, oak powder, phenolic resin, calcium carbonate, dimethyl polysiloxane, phenyl alkyl sulfonate, an adhesive, an antifreezing agent and a wood board; the product has high strength, and the surface bonding strength is 0.8-1.2 MPa; static bending strength is 15.5-17.5 MPa; the surface finish is good, stripping and cleaning are easy, and the dipping stripping performance is 5-9 mm; impact strength of 28-32kJ/m². The main raw materials used by the wood-plastic composite board are urea-formaldehyde resin, sodium silicate and wood boards, a large amount of chemical raw materials and wood are needed, and the energy conservation and the environmental protection are not enough.

Therefore, it is urgently needed to provide a more energy-saving and more environment-friendly cement template and a preparation method thereof so as to solve the defects of the prior art.

Disclosure of Invention

The invention aims to provide a cement template, which utilizes waste resources as main raw materials, changes waste into valuable and realizes industrial production of the cement template.

Another object of the present invention is to provide a method for preparing the above cement formwork, so as to solve the above technical problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

the cement template comprises the following components in parts by weight:

the cement template comprises the following components in parts by weight:

preferably, the fiber raw material is selected from any one or a mixture of several of straw fiber, straw fiber and wood flour.

Preferably, the filler is selected from any one or a mixture of several of stone powder, dried sludge, fine sand, perlite, silica powder, power plant fly ash and bakelite powder.

Preferably, the curing agent is selected from any one or a combination of magnesium chloride, magnesium oxide and sodium chloride.

Preferably, the dispersant is silica.

Preferably, the defoamer is a water-soluble defoamer.

Preferably, the fiber raw material has a size of 10 to 30 mesh.

Preferably, the size of the filler is 50-60 mesh.

The preparation method of the cement template comprises the following steps:

step 1, respectively collecting fiber raw materials and fillers;

step 2, respectively drying the fiber raw material and the filler until the dryness is 70-80%;

step 3, respectively grinding the fiber raw materials and the filler to 90-100 meshes, wherein the fineness is consistent;

step 4, uniformly stirring the ground fiber raw materials and the filler;

step 5, adding a curing agent, a dispersing agent and a defoaming agent, and uniformly stirring;

and 6, then feeding the uniformly stirred raw materials in the step 5 into a mould, and gradually pressing the raw materials in sections for 3-4min to 1.5-3.0 cm at the temperature of 60-70 ℃ and the pressure of 200-300t/m2 to obtain the required cement mould.

Compared with the prior art, the cement template has the following beneficial effects:

1. the formula adopts fiber raw materials and fillers as main components, the adopted fiber raw materials such as straw fibers, straw fibers and wood powder have wide sources, the adopted fillers such as stone powder, dried sludge, fine sand, perlite, fly ash of a power plant and bakelite powder are common wastes in various industries, and after the adopted fillers are matched with the fiber raw materials, the wastes are changed into wastes, the cost is low, the cost performance is high, the use of chemical raw materials and wood is reduced, and the environment is protected; the environment-friendly cement template has the advantages that the benefit of the environment-friendly cement template is increased, the consumption of chemicals is reduced, the consumption of felling natural forest trees and wood is reduced, the global concentration reaches 400ppm due to the increase of carbon dioxide emission, the global warming is increased greatly, the extreme climate is increased, the recycling of available wastes is encouraged, the environment-friendly function of green water green mountains is increased, the preparation method is simple, the cost is low, and the environment-friendly cement template is suitable for large-scale popularization and application.

Detailed Description

The present invention will be further described with reference to the following examples, which are preferred embodiments of the present invention.