Rock block blank

Abstract

The utility model belongs to the field of building material processing, and particularly relates to a quarry stone green body. According to the stone block green body and the inorganic recycled stone block disclosed by the utility model, steam guide gap linear cutting processing and autoclaved curing are carried out when the stone block green body is formed by initial setting, and steam guide gap linear structure processing is carried out on the initial setting stone block green body when the stone block green body is subjected to autoclaved curing; the steam guide gap lines are arranged, so that hot steam can be transmitted to all parts outside and inside the raw material green body through the steam guide gap lines in a very short time, the inside of the raw material green body can be uniformly heated, the cracking condition caused by temperature difference stress generated by non-uniform heating of the raw material green body is well avoided, and the finished product rate of the raw material green body is good.

Description

Technical Field

[0001] The utility model belongs to the field of building material processing, and in particular relates to a rough material body. Background Art

[0002] Inorganic recycled stone is a decorative material that can replace natural stone in various architectural applications. Currently, all manufacturers use Portland cement as the binder and crushed stone and fine sand as aggregate (filler). Under normal temperature and pressure, recycled stone blocks are processed using various methods. These blocks are then further processed into the required slabs or custom-shaped parts. This product's strength relies entirely on the strength developed through the hydration of the Portland cement. The other aggregates do not participate in the chemical reaction to form new strength-increasing substances, severely limiting its strength. To achieve the strength of natural stone, an autoclave curing step is added to the existing inorganic recycled stone block manufacturing process for smaller blocks. During this autoclave curing process, the silica in the ground quartz sand dissolves, forming reactive silica. This reacts with the cement to form a denser, stronger calcium silicate product, resulting in superior block strength. However, for large-volume blanks, due to their large size, internal and external thermal unevenness can easily cause temperature difference stress and cracking, which seriously affects the production efficiency of blank products. Utility Model Content

[0003] The purpose of the utility model is to overcome the problem of low yield of existing large-volume blanks during autoclaving and curing, and to provide a blank that is processed by cutting steam-conducting slits in the large-volume blank so that during the autoclaving and curing process, heat can be transferred to various parts of the outside and inside of the blank through the steam-conducting slits in a very short time, thereby avoiding uneven heating of the blank to generate temperature difference stress and cause cracking of the blank.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A blank body includes a blank body, wherein the blank body is processed by cutting to form a plurality of steam guide slit lines, each of which is open at least at the top or one side, and the plurality of steam guide slit lines are arranged in an array, with a preset distance between each steam guide slit line and the bottom of the blank body.

[0006] Compared to existing technologies, the block body of the present invention undergoes steam-slit wire cutting and autoclaving during the initial setting of the inorganic regenerated stone blocks. Using high-temperature, high-pressure steam as the reaction condition for the materials, the autoclaving process dissolves the silica in the ground quartz sand, forming active silica that reacts with calcium hydroxide (or calcium oxide added to lime), another product of the cement hydration reaction, to form a denser, stronger calcium silicate product. In the stone block structure, the ground quartz sand serves as both filler and binder, thereby increasing the binder content in the mixed material, ensuring the product's strength and achieving the desired stability. During autoclaving, the initially solidified rough block is processed with a steam-conducting slit structure, so that hot steam can be transferred to various parts of the outside and inside of the rough block through the steam-conducting slit in a very short time. The inside of the rough block can also be heated evenly, which can better avoid the uneven heating of the rough block and the resulting temperature difference stress that causes cracking, and the rough block yield is good.

[0007] Furthermore, each steam guide slit line is open at the top and both sides. With this arrangement, the steam guide slit line can be machined by cutting downwards from the top of the blank body with a cutting tool, and the steam guide slit line machining method is simple.

[0008] Alternatively, further, at least part of the steam-conducting slit lines are only open at the top and at least part of the steam-conducting slit lines are only open at the side; through such an arrangement, during autoclaving and curing, heat can enter the blank body through openings in different directions, and the interior of the blank body is well heated.

[0009] Furthermore, the steam-guiding slit lines with top openings and the steam-guiding slit lines with side openings are arranged alternately; the side openings of the steam-guiding slit lines are left-side openings or right-side openings; through such an arrangement, during autoclaving and curing, heat can enter the blank body through openings in different directions, and the heating effect inside the blank body is good.

[0010] Furthermore, each steam guide slit line is arranged along the length direction of the blank body; or, each steam guide slit line is arranged along the width direction of the blank body; through such an arrangement, it is convenient to perform continuous cutting processing of the steam guide slit lines on the blank body.

[0011] Furthermore, the width of the steam guide slit line is 3 to 5 mm; the spacing between adjacent steam guide slit lines is 20 to 300 mm; through this arrangement, the thickness of each local structure after the blank body is cut is the same, so that all parts of the blank body are heated evenly, and the uneven heating of the blank body to generate temperature difference stress and cause cracking is better avoided.

[0012] Furthermore, the distance between the lower end of the steam guide gap line and the bottom of the blank body is 20 to 400 mm. Through this arrangement, after the steam guide gap line processing is completed, the blank body retains an integrated structure, which facilitates the placement of the blank body into the kettle for autoclaving and curing.

[0013] Furthermore, the steam guide gap line is formed by cutting with a wire saw; through such an arrangement, the processing operation of the steam guide gap line is simple.

[0014] Furthermore, the green body is a rectangular parallelepiped structure of 3 to 5m3. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Side view of the blank

[0016] Figure 2 A top view of the blank (the steam-guiding slits are arranged along the width direction)

[0017] Figure 3 A top view of the rough blank (the steam guide gap line is arranged along the length direction) DETAILED DESCRIPTION

[0018] The following describes specific embodiments of the present invention in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention.

[0019] See also Figures 1 to 3 The blank body of the present invention includes a blank body 1, which is processed by cutting to have a plurality of steam guide slit lines 2, each of which is open at least at the top or one side, and the plurality of steam guide slit lines 2 are arranged in an array, with a preset distance between each steam guide slit line 2 and the bottom of the blank body 1.

[0020] Compared to existing technologies, the block body of the present invention undergoes steam-cutting and autoclaving during the initial setting of the inorganic regenerated stone blocks. Using high-temperature, high-pressure steam as the reaction condition, the silica in the ground quartz sand dissolves under autoclaving, forming active silica that reacts with calcium hydroxide (or calcium oxide added to lime), another product of the cement hydration reaction, to form a denser, stronger calcium silicate product. In the stone block structure, the ground quartz sand serves as both filler and binder, thereby increasing the binder content in the mixed material, ensuring the product's strength and achieving the desired stability. During autoclaving and curing, the initially solidified rough block is processed with a steam-conducting slit line 2 structure, so that hot steam can be transferred to various parts of the outside and inside of the rough block through the steam-conducting slit line 2 in a very short time, and the inside of the rough block can also be heated evenly, which can better avoid the uneven heating of the rough block and the generation of temperature difference stress that causes cracking, and the rough block yield is good.

[0021] See also Figure 1 In one embodiment, each steam guide slit line 2 is open at the top and both sides; by such an arrangement, the steam guide slit line 2 can be processed by cutting downward from the top of the blank body 1, and the processing method of the steam guide slit line 2 is simple.

[0022] In an alternative embodiment (not shown), at least part of the steam-conducting slit lines 2 is only open at the top and at least part of the steam-conducting slit lines 2 is only open at the side; through such an arrangement, during autoclaving, heat can enter the blank body through openings in different directions, and the interior of the blank body is well heated.

[0023] In a further embodiment (not shown), the steam-guiding slit lines 2 with top openings and the steam-guiding slit lines 2 with side openings are arranged alternately; the side openings of the steam-guiding slit lines 2 are left-side openings or right-side openings; through such an arrangement, during autoclaving and curing, heat can enter the blank body through openings in different directions, and the interior of the blank body is well heated.

[0024] See also Figure 3 In one embodiment, each steam guide slit line 2 is arranged along the length direction of the blank body 1.

[0025] See also Figure 2 , each steam guide slit line 2 is arranged along the width direction of the blank body 1; through this arrangement, it is convenient to perform continuous cutting processing of the steam guide slit line 2 on the blank body 1.

[0026] In one embodiment, the width of the steam-guiding slit line 2 is 3 to 5 mm; the spacing between adjacent steam-guiding slit lines 2 is 20 to 300; through such an arrangement, the thickness of each local structure cut from the blank body 1 is the same, so that each part of the blank body is heated evenly, and the uneven heating of the blank body to generate temperature difference stress and cause cracking is better avoided.

[0027] In one embodiment, the distance between the lower end of the steam-guiding slit line 2 and the bottom of the blank body 1 is 20 to 400. By setting it in this way, after the steam-guiding slit line 2 is processed, the blank body 1 retains an integrated structure, which facilitates the placement of the rough blank into the kettle for autoclaving and curing.

[0028] In one embodiment, the steam guide slit line 2 is formed by cutting with a wire saw; by such an arrangement, the processing operation of the steam guide slit line 2 is simple.

[0029] In one embodiment, the blank body 1 is a rectangular parallelepiped structure of 3 to 5 m3.

[0030] Based on the disclosure and teachings of the above description, those skilled in the art may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and any modifications and variations of the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although certain specific terms are used in this description, these terms are for convenience of description only and do not constitute any limitation to the present invention.

Claims

1. A blank body, characterized in that: The invention comprises a blank body, which is processed by cutting to have a plurality of steam guide slit lines, each of which is open at least at the top or one side, and is arranged in an array, with a preset distance between each steam guide slit line and the bottom of the blank body.

2. The blank body according to claim 1, characterized in that: Each steam guide gap line is open at the top and both sides.

3. The blank body according to claim 2, characterized in that: At least part of the steam guiding slit lines is open only at the top and at least part of the steam guiding slit lines is open only at the side.

4. The blank body according to claim 2, characterized in that: The steam guide slot lines with top openings and the steam guide slot lines with side openings are arranged alternately; the side openings of the steam guide slot lines are left openings or right openings.

5. The blank body according to claim 1, characterized in that: Each steam guide slit line is arranged along the length direction of the blank body; Alternatively, each steam guide slit line is arranged along the width direction of the blank body.

6. The blank body according to any one of claims 1 to 5, characterized in that: The width of the steam guide gap line is 3 to 5 mm.

7. The blank body according to any one of claims 1 to 5, characterized in that: The spacing between adjacent steam guide gap lines is 20 to 300 mm.

8. The blank body according to any one of claims 1 to 5, characterized in that: The distance between the lower end of the steam guide gap line and the bottom of the blank body is 20 to 400 mm.

9. The blank body according to any one of claims 1 to 5, characterized in that: The steam guide gap line is formed by cutting with a wire saw.

10. The blank body according to any one of claims 1 to 5, characterized in that: The green body is a rectangular parallelepiped structure of 3 to 5m3.

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