CN216690182U

CN216690182U - Gypsum PLASTIC LAMINATED for building

Info

Publication number: CN216690182U
Application number: CN202220150633.0U
Authority: CN
Inventors: 闫枫
Original assignee: Shandong Zhiyade New Material Co ltd
Current assignee: Shandong Zhiyade New Material Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-07
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a gypsum fireproof plate for construction, which is formed by compounding a gypsum layer and a cement mortar layer; the gypsum layer comprises a gypsum bottom layer, a gypsum intermediate layer and a gypsum surface layer, and the cement mortar layer comprises a cement mortar reinforcing layer I and a cement mortar reinforcing layer II; the gypsum bottom layer is located the inlayer, and the gypsum surface course is located the top layer, and cement mortar anchor coat one presss from both sides and establishes between gypsum surface course and gypsum intermediate level, and cement mortar anchor coat two presss from both sides and establishes between gypsum intermediate level and gypsum surface course. This novel high strength with cement mortar and gypsum material's excellent fire resistance combine together, make the PLASTIC LAMINATED when having excellent fire behavior, still have very high anti bending strength, very big improvement the performance and the application of this PLASTIC LAMINATED.

Description

Gypsum PLASTIC LAMINATED for building

Technical Field

The utility model relates to a fireproof plate, in particular to a gypsum fireproof plate for construction.

Background

The fireproof requirement is particularly high in interior wall decoration of public places such as hotels, schools, cinemas, markets and the like; at present, most of the fire-proof plates widely used in building structures are ordinary low-carbon steel plates, and the strength of the carbon steel plates begins to be greatly reduced when the temperature exceeds 350 ℃, so that the fire-proof plates used for the existing building interior wall decoration have excellent fire-proof performance and are difficult to effectively ensure other performances of the plates. In view of the above problems, it is urgently needed to provide a fireproof board with better overall performance, which can further improve the fireproof performance of the fireproof board and also has better compressive strength and bending strength.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the technology, the utility model provides a gypsum fireproof plate for construction.

In order to solve the technical problems, the utility model adopts the technical scheme that: a gypsum fire-proof plate for building is composed of gypsum layer and cement mortar layer; the gypsum layer comprises a gypsum bottom layer, a gypsum intermediate layer and a gypsum surface layer, and the cement mortar layer comprises a cement mortar reinforcing layer I and a cement mortar reinforcing layer II;

the gypsum bottom layer is located the inlayer, and the gypsum surface course is located the top layer, and cement mortar anchor coat one presss from both sides and establishes between gypsum surface course and gypsum intermediate level, and cement mortar anchor coat two presss from both sides and establishes between gypsum intermediate level and gypsum surface course.

Furthermore, the gypsum bottom layer, the gypsum intermediate layer and the gypsum surface layer are all doped with short glass fibers, and the length of the short glass fibers is 1-2 mm.

Furthermore, the first cement mortar layer and the second cement mortar layer are respectively provided with convex reinforcing ribs, the reinforcing ribs on the first cement mortar layer are arranged on the surface of the first cement mortar layer and are vertically and horizontally staggered, and the reinforcing ribs on the second cement mortar layer are also arranged on the surface of the second cement mortar layer and are vertically and horizontally staggered.

Furthermore, the reinforcing ribs on the first cement mortar layer and the reinforcing ribs on the second cement mortar layer are distributed in a staggered mode.

Furthermore, the width of the reinforcing rib is 10-20mm, and the distance between two adjacent reinforcing ribs is 150-250 mm.

Furthermore, the thicknesses of the gypsum bottom layer, the gypsum intermediate layer and the gypsum surface layer are 2-3mm, and the thicknesses of the cement mortar reinforcing layer I and the cement mortar reinforcing layer II are 2-3 mm.

Furtherly, the back of cement mortar reinforced layer one, cement mortar reinforced layer two all is formed with expands a sand grip, the surface of gypsum bottom, gypsum intermediate level be formed with respectively with expand a sand grip matched with recess.

Furthermore, a plurality of expanding surface convex strips are transversely arranged and are parallel to each other.

Furthermore, this gypsum PLASTIC LAMINATED for building passes through T type connecting piece to be fixed on fossil fragments, and fossil fragments are fixed on basic unit's wall body.

Furthermore, T type connecting piece comprises integrated into one piece's panel, connecting rod, and the panel contact gypsum bottom and link firmly mutually with the gypsum bottom, and the connecting rod runs through in the fossil fragments and links firmly mutually with the fossil fragments.

The utility model discloses a gypsum fire-proof plate for construction, which combines the high strength of cement mortar and the excellent fire resistance of gypsum material to obtain a gypsum fire-proof plate for construction with excellent comprehensive performance; the fireproof plate has excellent fireproof performance and high bending strength, overcomes the defects of easy bending, cracking and the like of the traditional fireproof plate under the high-temperature condition, and greatly improves the service performance and the application field of the fireproof plate.

Drawings

FIG. 1 is a schematic diagram of a hierarchical structure according to the present invention.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

In the figure: 1. a base layer wall body; 2. a T-shaped connector; 3. a gypsum bottom layer; 4. a first cement mortar reinforcing layer; 5. a gypsum intermediate layer; 6. a cement mortar reinforced layer II; 7. a gypsum facing; 8. reinforcing ribs; 9. expanding a surface convex strip; 21. a panel; 22. a connecting rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

A gypsum fire-proof plate for building is composed of gypsum layer and cement mortar layer; as shown in fig. 1, the gypsum layer is provided with three layers, namely a gypsum bottom layer 3, a gypsum middle layer 5 and a gypsum surface layer 7; the cement mortar layer is provided with two layers, namely a cement mortar reinforcing layer I4 and a cement mortar reinforcing layer II 6;

the gypsum bottom layer 3 is located the inlayer, and the gypsum surface course 7 is located the top layer, and cement mortar reinforced layer one 4 presss from both sides and establishes between gypsum surface course 7 and gypsum intermediate level 5, and cement mortar reinforced layer two 6 presss from both sides and establishes between gypsum intermediate level 5 and gypsum surface course 7.

The gypsum layer utilizes the fireproof performance of gypsum powder, the fireproof temperature of the gypsum layer can be nearly one thousand ℃, when the gypsum meets fire, the crystal water of dihydrate gypsum evaporates, absorbs heat, and a layer of water vapor curtain is generated on the surface, so that the fire spread is prevented, and the fireproof effect is achieved. In addition, the gypsum is low in price and easy to obtain materials, such as desulfurized gypsum used in a thermal power plant, and has economic value of recycling resources.

In order to further enhance the performance of the gypsum layer, short glass fibers are doped in the gypsum bottom layer 3, the gypsum middle layer 5 and the gypsum surface layer 7, and the length of the short glass fibers is 1-2 mm.

When gypsum materials are used as building sheets, the gypsum boards are not satisfactory in bending strength and are liable to be bent and broken due to their own material properties. Therefore, the gypsum fire-proof plate for the building disclosed by the utility model is compounded with the cement mortar layer, and the compression strength and the breaking strength of the cement mortar are very excellent; the high strength of cement mortar and the excellent fire resistance of gypsum material are combined together, so that the novel gypsum fire-proof plate for building has high bending strength while having excellent fire resistance.

In the design of thickness, the thicknesses of the gypsum bottom layer 3, the gypsum intermediate layer 5 and the gypsum surface layer 7 are 2-3mm, and the thicknesses of the cement mortar reinforcing layer I4 and the cement mortar reinforcing layer II 6 are 2-3 mm.

In order to further improve the bending strength of the gypsum fire-proof plate for the building, as shown in fig. 1, the first cement mortar layer 4 and the second cement mortar layer 6 are respectively provided with convex reinforcing ribs 8, the reinforcing ribs on the first cement mortar layer 4 are arranged on the surface of the first cement mortar layer 4 and are criss-cross, and the reinforcing ribs on the second cement mortar layer 6 are also arranged on the surface of the second cement mortar layer 6 and are criss-cross; the criss-cross reinforcing ribs play a role in overall reinforcement. And, in the structural setting of whole PLASTIC LAMINATED, make the strengthening rib on the cement mortar layer one 4 distribute with the strengthening rib on the cement mortar layer two 6 staggers to play better reinforcing effect. Generally, the width of the reinforcing ribs 8 is 10-20mm, and the distance between two adjacent reinforcing ribs is 150 mm and 250 mm.

In addition, in order to further improve the composite stability of each layer of the gypsum fire-proof plate for construction, as shown in fig. 2, the back surfaces of the first cement mortar reinforcing layer 4 and the second cement mortar reinforcing layer 6 are both provided with an expanding convex strip 9, and the surfaces of the gypsum bottom layer 3 and the gypsum intermediate layer 5 are respectively provided with a groove matched with the expanding convex strip 9; the surface expanding boss 9 is matched with the groove, so that the contact area between the first cement mortar reinforcing layer 4 and the gypsum bottom layer 3 and the contact area between the second cement mortar reinforcing layer 6 and the gypsum intermediate layer 5 can be increased, and the composite stability of each layer of structure is further improved. In general, the plurality of the expanded-surface convex strips 9 are arranged in the horizontal direction, and the plurality of expanded-surface convex strips are parallel to each other.

Finally, the gypsum fireproof plate for construction, which is obtained by the utility model, needs to be fixed on the keel through the T-shaped connecting piece 2, and the keel is fixed on the base layer wall body 1. The T-shaped connecting piece 2 is composed of a panel 21 and a connecting rod 22 which are integrally formed, the panel 21 is in contact with the gypsum bottom layer 3 and is fixedly connected with the gypsum bottom layer 3, and the connecting rod 22 penetrates through the keel and is fixedly connected with the keel.

The production process of the gypsum fireproof board for the building disclosed by the utility model comprises the following steps: during production, a layer of 2-3mm gypsum powder containing short glass fibers (the layer is a gypsum surface layer) is paved in a gypsum board mould, then the gypsum powder is pressed by an upper template fully distributed with transverse and longitudinal ribs, and the gypsum board is maintained for about 60 minutes at the temperature of 80 +/-5 ℃. Removing the upper template, blade-coating a 20-3mm cement mortar layer (the cement mortar layer I) on the gypsum, pressing with a mould with raised lines, removing the mould after the cement mortar is initially set, and laying a second 2-3mm gypsum powder containing short glass fibers (the gypsum intermediate layer). Continuously pressing the upper template fully distributed with the transverse and longitudinal ribs, and curing for about 60 minutes at the temperature of 80 +/-5 ℃. A second cement mortar layer (the second cement mortar layer) with the thickness of 2-3mm is coated above the gypsum layer with the upper template removed, the same process is adopted in the previous step, a mould with raised lines is used for pressing, after the cement mortar is initially set, the mould is removed, a third layer of gypsum powder (the layer is a gypsum bottom layer) with the thickness of 2-3mm and containing short glass fibers is laid on the cement mortar, the gypsum powder is pressed by a flat mould, and the curing is carried out for about 60 minutes at the temperature of 80 +/-5 ℃; and finally, removing the flat plate mould, and continuously maintaining in a maintenance room at the temperature of 50-60 ℃ for more than 24 hours to obtain the gypsum fire-proof plate for the building, disclosed by the utility model.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.

Claims

1. The utility model provides a gypsum PLASTIC LAMINATED for building which characterized in that: is formed by compounding a gypsum layer and a cement mortar layer; the gypsum layer comprises a gypsum bottom layer (3), a gypsum intermediate layer (5) and a gypsum surface layer (7), and the cement mortar layer comprises a first cement mortar reinforcing layer (4) and a second cement mortar reinforcing layer (6);

the gypsum bottom layer (3) is located on the innermost layer, the gypsum surface layer (7) is located on the outermost layer, the cement mortar reinforcing layer I (4) is arranged between the gypsum surface layer (7) and the gypsum intermediate layer (5) in a clamped mode, and the cement mortar reinforcing layer II (6) is arranged between the gypsum intermediate layer (5) and the gypsum surface layer (7) in a clamped mode.

2. The gypsum fire-proof plate for construction according to claim 1, wherein: short glass fibers are doped in the gypsum bottom layer (3), the gypsum intermediate layer (5) and the gypsum surface layer (7), and the length of the short glass fibers is 1-2 mm.

3. The gypsum fire-proof plate for construction according to claim 1 or 2, wherein: and the first cement mortar layer (4) and the second cement mortar layer (6) are respectively provided with a convex reinforcing rib (8), the reinforcing ribs on the first cement mortar layer (4) are arranged on the surface of the first cement mortar layer (4) in a vertically and horizontally staggered manner, and the reinforcing ribs on the second cement mortar layer (6) are also arranged on the surface of the second cement mortar layer (6) in a vertically and horizontally staggered manner.

4. The gypsum fire-proof plate for construction according to claim 3, wherein: and the reinforcing ribs on the first cement mortar layer (4) and the reinforcing ribs on the second cement mortar layer (6) are distributed in a staggered manner.

5. The gypsum fire-proof plate for construction according to claim 4, wherein: the width of the reinforcing rib (8) is 10-20mm, and the distance between two adjacent reinforcing ribs is 150 mm and 250 mm.

6. The gypsum fire-proof plate for construction according to claim 1, wherein: the thickness of the gypsum bottom layer (3), the gypsum intermediate layer (5) and the gypsum surface layer (7) is 2-3mm, and the thickness of the cement mortar reinforcing layer I (4) and the thickness of the cement mortar reinforcing layer II (6) are 2-3 mm.

7. The gypsum fire-proof plate for construction according to claim 1, wherein: the back of cement mortar back up coat (4), cement mortar back up coat two (6) all are formed with and expand face sand grip (9), the surface of gypsum bottom (3), gypsum intermediate level (5) be formed with respectively with expand face sand grip (9) matched with recess.

8. The gypsum fire-proof plate for construction according to claim 7, wherein: the surface expanding convex strips (9) are transversely provided with a plurality of the surface expanding convex strips which are parallel to each other.

9. The gypsum fire-proof plate for construction according to claim 1, wherein: this gypsum PLASTIC LAMINATED for building passes through T type connecting piece (2) to be fixed on fossil fragments, and fossil fragments are fixed on basic unit's wall body (1).

10. The gypsum fire-proof plate for construction according to claim 9, wherein: t type connecting piece (2) comprise integrated into one piece's panel (21), connecting rod (22), panel (21) contact gypsum bottom (3) and link firmly mutually with gypsum bottom (3), connecting rod (22) run through in the fossil fragments and link firmly mutually with the fossil fragments.