阅读说明：本技术 一种保温多孔砖生产工艺 (Production process of heat-insulating perforated brick ) 是由 李晨 于 2019-11-26 设计创作，主要内容包括：本发明公开了一种保温多孔砖生产工艺,其特征在于,包括以下步骤：(1)配制原料；(2)原料混合；(3)陈化；(4)压制成型；(5)烘干；(6)焙烧；(7)填充。本发明的保温多孔砖中加入了磷酸盐,使各组分原料更好的结合,提高保温多孔砖的强度；本发明加入了珍珠岩和石棉纤维,可以有效提高保温多孔砖的保温效果。本发明加入的长石可以很好的抵抗煤渣粉的弱酸性,使保温多孔砖更稳定,提高其强度。本发明能够自动填充保温材料,极大的提高了保温多孔砖的生产效率。(The invention discloses a production process of a heat-insulating perforated brick, which is characterized by comprising the following steps of: (1) preparing raw materials; (2) mixing the raw materials; (3) aging; (4) pressing and forming; (5) drying; (6) roasting; (7) and (6) filling. The phosphate is added into the heat-insulating perforated brick, so that raw materials of all components are better combined, and the strength of the heat-insulating perforated brick is improved; the invention adds perlite and asbestos fiber, which can effectively improve the heat preservation effect of the heat preservation porous brick. The feldspar added in the invention can well resist the weak acidity of the coal slag powder, so that the heat-insulating porous brick is more stable, and the strength of the heat-insulating porous brick is improved. The invention can automatically fill the heat-insulating material, and greatly improves the production efficiency of the heat-insulating perforated brick.)

1. The production process of the heat-insulating perforated brick is characterized by comprising the following steps of:

(1) preparing raw materials: preparing the following raw materials in parts by weight: 50-60 parts of construction waste powder, 10-15 parts of coal cinder powder, 10-15 parts of perlite, 5-10 parts of feldspar, 3-6 parts of bentonite, 5-8 parts of clay, 8-10 parts of phosphate, 3-6 parts of calcium formate, 8-12 parts of asbestos fiber and 5-8 parts of gypsum;

(2) mixing raw materials: putting the raw materials obtained in the step (1) into a mixer, stirring for 10-15 min, adding water accounting for 10-15% of the total weight of the raw materials into the raw materials, and mixing for 20-30 min to obtain a mixture;

(3) aging: placing the mixture in an aging chamber for aging for 2-3 days;

(4) and (3) pressing and forming: putting the mixture obtained in the step (3) into a brick making machine for compression molding to obtain a green brick;

(5) drying: drying the green brick until the water content is 5-8%;

(6) roasting: placing the green bricks obtained in the step (5) into a roasting kiln for roasting; wherein, during roasting, the temperature is raised to 800-1000 ℃ at the heating rate of 100 ℃/h, the temperature is kept for 3 hours, then the temperature is raised to 1300 ℃ at the heating rate of 50 ℃/h, the temperature is kept for 5 hours, and the porous brick is obtained after natural cooling to the room temperature;

(7) filling: and placing the porous brick on a filling device, and filling polystyrene foam materials into the holes of the porous brick to obtain the heat-insulating porous brick.

2. The process for producing an insulating perforated brick according to claim 1, wherein the filling equipment in the step (7) comprises a mounting frame, a table (16) provided on the mounting frame, a lower heating plate (11) and a pushing hydraulic cylinder (10) provided on the table (16), a moving mechanism provided on the mounting frame and located above the table (16), an upper heating plate (9) provided on the moving mechanism, a blanking mechanism provided on the mounting frame and located above the moving mechanism, a first conveyor belt assembly (14) and a second conveyor belt assembly (13) connected to the table (16); the first conveyor belt assembly (14) and the second conveyor belt assembly (13) are perpendicular to each other, and the pushing hydraulic cylinder (10) is positioned on the extension line of the second conveyor belt assembly (13).

3. The production process of the heat-insulating perforated brick according to the claim 2, characterized in that the moving mechanism comprises two opposite sliding rails (3), a sliding rod (7) connected between the two sliding rails (3) and capable of sliding along the sliding rails (3), and a heating plate hydraulic cylinder (8) installed on the lower surface of the sliding rod (7); the upper heating plate (9) is arranged at the telescopic end of the heating plate hydraulic cylinder (8).

4. The production process of the heat-insulating perforated brick as claimed in claim 3, wherein the blanking mechanism comprises a hopper (1), a blanking hydraulic cylinder (2) arranged on the hopper (1), a telescopic pipe (6) arranged on a discharge port of the hopper (1), a blanking pipe (4) arranged at the lower end of the telescopic pipe (6), and a plurality of spray guns (5) arranged on the blanking pipe (4); the telescopic end of the blanking hydraulic cylinder (2) is connected with the blanking pipe (4).

5. The production process of the heat-insulating perforated brick according to claim 4, wherein the mounting frame is provided with two limiting plates (15) along the length direction of the first conveyor belt assembly (14), and a moving channel is formed between the two limiting plates (15); the limiting plate (15) is positioned above the first conveyor belt assembly (14).

6. Process for the production of insulating perforated bricks according to claim 5, characterized in that the upper surface of the lower heating plate (11) is level with the upper surface of the work table (16).

7. The process for producing an insulating perforated brick according to claim 6, wherein the step (7) of filling the holes of the perforated brick with the polystyrene foam comprises the steps of:

A. heating the lower heating plate (11) and the upper heating plate (9) to 90 ℃;

B. placing the perforated bricks on a first conveyor belt assembly (14) and in the moving channel, wherein the perforated bricks are driven by the first conveyor belt assembly (14) to move to the lower heating plate (11);

C. controlling the blanking hydraulic cylinder (2) to extend out, pushing the blanking pipe (4) to move downwards to enable each spray gun (5) to aim at each hole on the perforated brick, and spraying polystyrene foam material into each hole;

D. controlling the shrinkage of the blanking hydraulic cylinder (2), controlling the sliding rod (7) to move along the sliding rail (3), controlling the extension of the heating plate hydraulic cylinder (8) to enable the upper heating plate (9) to cover and press the porous brick, and curing the polystyrene foam material in the hole again through the upper heating plate (9) and the lower heating plate (11) for 30s to enable the polystyrene foam material to be cured in the hole, thereby obtaining the heat-insulating porous brick;

E. and controlling the pushing hydraulic cylinder (10) to extend to push the perforated bricks onto the second conveyor belt component (13), and conveying the heat-insulating perforated bricks away through the second conveyor belt component (13).

8. The process for producing an insulating perforated brick according to claim 1, wherein the aging temperature in the step (3) is 35 ℃.

Technical Field

The invention relates to the field of novel wall materials, and particularly provides a production process of a heat-insulating porous brick.

Background

At present, with the continuous development of cities, high buildings are pulled out, and the consumables for constructing the non-bearing walls of the buildings are mainly porous bricks which replace solid bricks, so that the cost for constructing the non-bearing walls of the buildings is reduced, and the construction time for constructing the non-bearing walls is also reduced. In order to meet different requirements, heat-insulating perforated bricks are available in the market at present, and can achieve a certain heat-insulating effect; however, the heat preservation effect of the existing heat preservation perforated brick can not meet the requirements of people, and certain trouble is caused to the living of people in some northern areas. In addition, the heat-insulating perforated brick is usually filled with heat-insulating materials in the holes during production, so that the whole filling efficiency is low, and the production efficiency of the heat-insulating perforated brick is reduced.

Disclosure of Invention

The invention aims to overcome the defects and provide a production process of the heat-insulating perforated brick, which can improve the heat-insulating effect and the production efficiency.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a production process of a heat-insulating perforated brick comprises the following steps:

(1) preparing raw materials: preparing the following raw materials in parts by weight: 50-60 parts of construction waste powder, 10-15 parts of coal cinder powder, 10-15 parts of perlite, 5-10 parts of feldspar, 3-6 parts of bentonite, 5-8 parts of clay, 8-10 parts of phosphate, 3-6 parts of calcium formate, 8-12 parts of asbestos fiber and 5-8 parts of gypsum;

(2) mixing raw materials: putting the raw materials obtained in the step (1) into a mixer, stirring for 10-15 min, adding water accounting for 10-15% of the total weight of the raw materials into the raw materials, and mixing for 20-30 min to obtain a mixture;

(3) aging: placing the mixture in an aging chamber for aging for 2-3 days;

(4) and (3) pressing and forming: putting the mixture obtained in the step (3) into a brick making machine for compression molding to obtain a green brick;

(5) drying: drying the green brick until the water content is 5-8%;

(6) roasting: placing the green bricks obtained in the step (5) into a roasting kiln for roasting; wherein, during roasting, the temperature is raised to 800-1000 ℃ at the heating rate of 100 ℃/h, the temperature is kept for 3 hours, then the temperature is raised to 1300 ℃ at the heating rate of 50 ℃/h, the temperature is kept for 5 hours, and the porous brick is obtained after natural cooling to the room temperature;

(7) filling: and placing the porous brick on a filling device, and filling polystyrene foam materials into the holes of the porous brick to obtain the heat-insulating porous brick.

Further, the filling device in the step (7) comprises a mounting frame, a workbench arranged on the mounting frame, a lower heating plate and a pushing hydraulic cylinder which are arranged on the workbench, a moving mechanism arranged on the mounting frame and positioned above the workbench, an upper heating plate arranged on the moving mechanism, a blanking mechanism arranged on the mounting frame and positioned above the moving mechanism, and a first conveyor belt assembly and a second conveyor belt assembly which are connected with the workbench; the first conveyor belt assembly and the second conveyor belt assembly are perpendicular to each other, and the pushing hydraulic cylinder is located on an extension line of the second conveyor belt assembly.

The moving mechanism comprises two opposite slide rails, a slide rod connected between the two slide rails and capable of sliding along the slide rails, and a heating plate hydraulic cylinder arranged on the lower surface of the slide rod; the upper heating plate is arranged at the telescopic end of the heating plate hydraulic cylinder.

The blanking mechanism comprises a hopper, a blanking hydraulic cylinder arranged on the hopper, a telescopic pipe arranged on a discharge port of the hopper, a blanking pipe arranged at the lower end of the telescopic pipe, and a plurality of spray guns arranged on the blanking pipe; and the telescopic end of the blanking hydraulic cylinder is connected with a blanking pipe.

Two limiting plates are arranged on the mounting frame along the length direction of the first conveyor belt assembly, and a moving channel is formed between the two limiting plates; the limiting plate is located above the first conveyor belt assembly.

The upper surface of the lower heating plate is flush with the upper surface of the workbench.

The step (7) of filling the holes of the perforated brick with the polystyrene foam material comprises the following steps:

A. heating the lower heating plate and the upper heating plate to 90 ℃;

B. placing the perforated bricks on a first conveyor belt assembly and in the moving channel, wherein the first conveyor belt assembly drives the perforated bricks to move to the lower heating plate;

C. controlling the blanking hydraulic cylinder to extend out, pushing the blanking pipe to move downwards to enable each spray gun to aim at each hole on the perforated brick, and spraying polystyrene foam materials into each hole;

D. controlling the blanking hydraulic cylinder to contract, controlling the sliding rod to move along the sliding rail, controlling the heating plate hydraulic cylinder to extend out to enable the upper heating plate cover to be pressed on the porous brick, and curing the polystyrene foam material in the hole again through the upper heating plate and the lower heating plate for 30s to enable the polystyrene foam material to be cured in the hole, so as to obtain the heat-insulating porous brick;

E. and controlling the pushing hydraulic cylinder to extend out, pushing the porous bricks onto the second conveyor belt component, and conveying the heat-insulating porous bricks away through the second conveyor belt component.

The aging temperature in the step (3) is 35 ℃.

Compared with the prior art, the invention has the following advantages and beneficial effects: the phosphate is added into the heat-insulating perforated brick, so that raw materials of all components are better combined, and the strength of the heat-insulating perforated brick is improved; the invention adds perlite and asbestos fiber, which can effectively improve the heat preservation effect of the heat preservation porous brick. The feldspar added in the invention can well resist the weak acidity of the coal slag powder, so that the heat-insulating porous brick is more stable, and the strength of the heat-insulating porous brick is improved. The invention can automatically fill the heat-insulating material, and greatly improves the production efficiency of the heat-insulating perforated brick.

Drawings

Fig. 1 is a front view of the filling apparatus of the present invention.

Fig. 2 is a top view of the filling apparatus of the present invention.

In the drawings, the names corresponding to the reference numbers are:

the device comprises a hopper, a blanking hydraulic cylinder, a sliding rail, a blanking pipe, a spray gun, a telescopic pipe, a sliding rod, a heating plate hydraulic cylinder, a heating plate, a pushing hydraulic cylinder, a heating plate, a perforated brick, a second conveying belt component, a first conveying belt component, a limiting plate, a workbench, a heat-preserving porous brick, a second conveying belt component, a first conveying belt component, a limiting plate and a working platform, wherein the hopper is 1, the blanking hydraulic cylinder is 2, the sliding.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.