CN113789878A - Fireproof gypsum board and production process thereof - Google Patents
Fireproof gypsum board and production process thereof Download PDFInfo
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- CN113789878A CN113789878A CN202111038227.1A CN202111038227A CN113789878A CN 113789878 A CN113789878 A CN 113789878A CN 202111038227 A CN202111038227 A CN 202111038227A CN 113789878 A CN113789878 A CN 113789878A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a fireproof gypsum board, which comprises glass fiber mats and a gypsum board core arranged between two layers of the glass fiber mats, wherein a plurality of glass fiber bundles are embedded in the gypsum board core; the gypsum board core comprises a first core and a second core, a plurality of the glass fiber bundles being laid flat between the first core and the second core to form a structural reinforcement of the gypsum board core; the glass fiber mat is selected to replace the mask paper of the traditional gypsum board, so that the fireproof performance of the gypsum board is improved; the glass fiber felt is provided with patterns with shapes such as patterns, and the glass fiber felt has various colors which can be selected, so that the decoration-free effect is achieved; the glass fiber bundles are selected to replace chopped glass fibers, and the length of the whole glass fiber bundle penetrates through the length direction of the whole gypsum board, so that the strength of the gypsum board is improved.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a fireproof gypsum board and a production process thereof.
Background
The gypsum board is a building material which is made of building gypsum as a main raw material, has light weight, higher strength, thinner thickness, convenient processing, good performances of sound insulation, heat insulation, fire prevention and the like, is one of novel light boards which are intensively developed at present, is widely used for inner partition walls, wall covering panels (replacing wall plastering layers), ceilings, sound absorbing boards, ground base boards, various decorative boards and the like of various buildings such as houses, office buildings, shops, hotels, industrial factory buildings and the like, is not suitable for being installed in bathrooms or kitchens, and has stronger and stronger use functionality along with the progress of production technology and the continuous change of actual requirements.
The fireproof gypsum board is a new product innovated and developed on the basis of the traditional gypsum plaster board, not only has the characteristics of sound insulation, heat preservation, light weight, high strength, small shrinkage rate and the like of the gypsum plaster board, but also adds some additives (glass fibers) in the core of the gypsum board so that the board keeps complete structure (in a building structure) within a certain period of time when in fire, thereby playing a role of blocking flame spread and striving for valuable time for escape, however, most fireproof gypsum boards use mask paper and chopped glass fibers (generally 6mm, 9mm and 12 mm), and the fireproof performance and the board strength of the gypsum board are limited.
Disclosure of Invention
The invention aims to provide a fireproof gypsum board and a production process thereof, and aims to solve the technical problem that the fireproof performance and the strength performance of the fireproof gypsum board in the prior art need to be improved.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a fireproof gypsum board comprises glass fiber mats and a gypsum board core arranged between two layers of the glass fiber mats, wherein a plurality of glass fiber bundles are embedded in the gypsum board core;
the gypsum board core includes a first core and a second core, and a plurality of the glass fiber bundles are laid flat between the first core and the second core to form a structural reinforcement of the gypsum board core.
In a preferred embodiment of the present invention, a plurality of the glass fiber bundles are laid at equal intervals in the width direction of the gypsum board core, and the length of each of the glass fiber bundles is equal to the length of the gypsum board core.
The invention also provides a production process of the fireproof gypsum board, which comprises the following steps:
100, pouring gypsum slurry on a bottom glass fiber mat, and trowelling the gypsum slurry to obtain a first core body with a first preset height;
step 200, arranging a plurality of glass fiber bundles in the width direction of the first core at fixed intervals by using a paving tool to obtain a structural reinforcement part;
step 300, continuously pouring gypsum slurry on the first core body so that the gypsum slurry completely covers the structural reinforcement part, and obtaining a second core body with a second preset height;
and step 400, covering another layer of glass fiber mat on the second core body to obtain the fireproof gypsum board.
As a preferable aspect of the present invention, in step 200, the obtaining a structural reinforcement specifically includes:
step 201, arranging a plurality of glass fiber bundles above a first core body in a straight line shape at preset intervals;
step 202, prefabricating a plurality of embedded grooves corresponding to the glass fiber bundles one by one in the width direction of the first core, and keeping the distance between two adjacent embedded grooves equal to the distance between two adjacent glass fiber bundles;
202, paving the glass fiber strips in the corresponding embedding grooves from top to bottom by using a paving tool to obtain a structural reinforcement part.
As a preferable scheme of the present invention, in step 201, the method further comprises performing pretreatment on the glass fiber bundle to reduce the free bending of the glass fiber bundle, wherein the pretreatment comprises:
step 2011 soaking a plurality of glass fiber bundles in the gypsum slurry to saturate the glass fiber bundles with the gypsum slurry;
step 2012, taking out the glass fiber bundles, and airing the glass fiber bundles in a stretched state to obtain glass fiber strips with the outer surfaces covered with gypsum slurry;
and 2013, trimming the outer surfaces of the glass fiber strips to enable the outer diameters of the glass fiber strips to be equal.
As a preferable scheme of the invention, the paving tool comprises a slotting structure and an arrangement structure;
the slotted structure is used for forming a plurality of continuous embedding grooves on the first core body in the conveying process of the gypsum board conveying belt;
the arranging structure is connected with the slotting structure and used for parallelly arranging the plurality of glass fiber strips at a preset interval, and the arranging structure can lay the plurality of glass fiber strips into the corresponding embedded grooves at one time in the conveying process of the gypsum board conveying belt.
As a preferable scheme of the invention, the slotted structure comprises an Jiong-shaped plate transversely arranged on the gypsum board conveying belt, and two ends of the Jiong-shaped plate are connected with fixing plates on two sides of the gypsum board conveying belt in a one-to-one manner;
jiong the lower extreme equidistance interval of shaped plate has laid a plurality of fluting pieces in the data send process of gypsum board transmission band, the fluting piece can be in form many continuous inlays on the first core and establish the groove, and the region between two adjacent fluting pieces forms floating portion, floating portion is used for right lie in adjacent two on the first core inlay the region between the groove and float.
In a preferred embodiment of the present invention, the slotted block is a semicircular block, a curved surface of the semicircular block faces downward, and a diameter of the semicircular block is equal to an outer diameter of the glass fiber rod.
As a preferable mode of the present invention, the arrangement structure includes a plurality of positioning holes opened on the Jiong-shaped plate, the positioning holes are one-to-one arranged right above the notching block, and the lower edges of the positioning holes coincide with the upper edges of the notching block.
As a preferable scheme of the present invention, a pre-arrangement structure is further disposed between the arrangement structure and the conveying start end of the gypsum board conveying belt, and the pre-arrangement structure is configured to preset a height of the glass fiber strip so that the glass fiber strip entering the positioning hole is located at a center of the positioning hole;
the pre-arrangement structure comprises a cross frame and double-layer mounting racks on a gypsum board conveying belt, wherein a plurality of rollers are mounted on the mounting racks in a rotating mode, a gap between two rollers on the same longitudinal axis forms a through hole matched with the glass fiber strip, and the center of the through hole is located on the same horizontal line with the center of the positioning hole.
Compared with the prior art, the invention has the following beneficial effects:
(1) the glass fiber mat is selected to replace the mask paper of the traditional gypsum board, so that the fireproof performance of the gypsum board is improved;
(2) the glass fiber felt has patterns with shapes such as patterns, and the glass fiber felt has multiple colors which can be selected, so that the decoration-free effect is achieved;
(3) the glass fiber bundles are selected to replace chopped glass fibers, and the length of the whole glass fiber bundle penetrates through the length direction of the whole gypsum board, so that the strength of the gypsum board is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a cross-sectional view of a fire-retardant gypsum board provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a fire-retardant gypsum board provided in accordance with an embodiment of the present invention;
FIG. 3 is a side view of a paving tool provided in accordance with an embodiment of the present invention;
FIG. 4 is an elevation view of a slotted structure provided by an embodiment of the present invention;
FIG. 5 is a front view of a prearranged structure provided by an embodiment of the present invention;
FIG. 6 is a flow chart of a production process of the fire-retardant gypsum board provided by the embodiment of the invention.
The reference numerals in the drawings denote the following, respectively:
10-a slotted configuration; 20-arrangement structure; 30-a plasterboard conveyor belt; 40-a pre-arrangement structure; 50-glass fiber mat; 60-gypsum board core;
11-Jiong shaped plates; 12-grooving block; 13-a smoothing section;
21-positioning holes;
41-a mounting frame; 42-a roller; 43-a through hole;
61-a first core; 62-a second core; 63-glass fiber bundle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the gypsum board comprises a glass fiber mat 50 and a gypsum board core 60 arranged between two layers of the glass fiber mat 50, wherein a plurality of glass fiber bundles 63 are embedded in the gypsum board core 60;
the gypsum board core 60 includes a first core 61 and a second core 62, and a plurality of the glass fiber bundles 63 are laid between the first core 61 and the second core 62 to form a structural reinforcement of the gypsum board core 60.
Based on the existing structure of the fireproof gypsum board, one of the characteristics of the embodiment of the invention is that the traditional gypsum board protective paper is replaced by the glass fiber felt, the gram weight of the glass fiber felt is required to be more than 100g, the longitudinal tensile strength is required to be more than 140N, the fireproof performance of the gypsum board is improved, and meanwhile, the glass fiber felt is provided with patterns and patterns, so that the decoration-free effect is achieved.
The second characteristic of the embodiment of the invention is that the glass fiber bundle replaces the traditional chopped glass fiber, which improves the strength of the gypsum board, specifically:
as shown in fig. 2 and 3, a plurality of the glass fiber bundles 63 are laid at equal intervals in the width direction of the gypsum board core 60, and the length of each of the glass fiber bundles 63 is equal to the length of the gypsum board core 60.
As shown in FIG. 6, the fireproof gypsum board can be produced by the following production process, including the following steps:
100, pouring gypsum slurry on a bottom glass fiber mat, and trowelling the gypsum slurry to obtain a first core body with a first preset height;
step 200, arranging a plurality of glass fiber bundles in the width direction of the first core at fixed intervals by using a paving tool to obtain a structural reinforcement part;
step 300, continuously pouring gypsum slurry on the first core body so that the gypsum slurry completely covers the structural reinforcement part, and obtaining a second core body with a second preset height;
and step 400, covering another layer of glass fiber mat on the second core body to obtain the fireproof gypsum board.
In the process, in order to keep the strength of the two sides of the gypsum board consistent, the thickness of the first core body and the second core body can be controlled to be consistent, the superposition thickness of the first core body and the second core body can be adjusted between 9mm and 25mm, the weight of the gypsum board per unit area is controlled to be not less than the thickness of the gypsum board multiplied by 1.2 kg/square meter, and the fireproof gypsum board with the fireproof performance of more than 120min, the shearing force of more than 1000N and the longitudinal breaking load strength of more than 1000N can be prepared.
In step 200, obtaining a structural reinforcement specifically includes:
step 201, arranging a plurality of glass fiber bundles above a first core body in a straight line shape at preset intervals;
step 202, prefabricating a plurality of embedded grooves corresponding to the glass fiber bundles one by one in the width direction of the first core, and keeping the distance between two adjacent embedded grooves equal to the distance between two adjacent glass fiber bundles;
202, paving the glass fiber strips in the corresponding embedding grooves from top to bottom by using a paving tool to obtain a structural reinforcement part.
The embedded groove is arranged to fix the position of the glass fiber bundle, and displacement of the glass fiber bundle caused by pouring of the second core body is avoided, so that the arrangement uniformity of the glass fiber bundle is influenced, and the strength uniformity of the gypsum board is further influenced.
Further, since the glass fiber bundle has a characteristic of being easy to bend, in step 201, the method further includes performing a pretreatment on the glass fiber bundle to reduce the free bending degree of the glass fiber bundle, where the pretreatment includes:
step 2011 soaking a plurality of glass fiber bundles in the gypsum slurry to saturate the glass fiber bundles with the gypsum slurry;
step 2012, taking out the glass fiber bundles, and airing the glass fiber bundles in a stretched state to obtain glass fiber strips with the outer surfaces covered with gypsum slurry;
and 2013, trimming the outer surfaces of the glass fiber strips to enable the outer diameters of the glass fiber strips to be equal.
Cover gypsum slurry at the surface of glass fiber bundle through above-mentioned operation, treat that gypsum slurry solidifies the back, glass fiber bundle changes the glass fiber strip that the diameter is bigger and straightness accuracy is higher, and difficult emergence is crooked, influences glass fiber bundle's self shape and position when further having avoided the second core to pour.
The laying of the glass fiber strips is realized by using a laying tool, in the embodiment of the invention, the laying tool comprises a slotting structure 10 and an arrangement structure 20;
wherein the slotted structure 10 is transversely arranged on a gypsum board conveying belt 30, and the slotted structure 10 is used for forming a plurality of continuous embedded grooves on the first core body in the conveying process of the gypsum board conveying belt 30;
the arrangement structure 20 is connected to the slotted structure 10, the arrangement structure 20 is used for arranging a plurality of glass fiber strips in parallel at a preset interval, and in the conveying process of the gypsum board conveying belt 30, the arrangement structure 20 can lay the plurality of glass fiber strips into the corresponding embedded grooves at one time.
Specifically, as shown in fig. 4, the slotted structure 10 includes an Jiong-shaped plate 11 transversely mounted on the gypsum board conveying belt 30, and both ends of the Jiong-shaped plate 11 are connected with the fixing plates at both sides of the gypsum board conveying belt 30 one-to-one, that is, the position of the Jiong-shaped plate 11 is fixed, and the Jiong-shaped plate 11 does not move along with the movement of the gypsum board conveying belt.
Jiong the lower extreme equidistance interval of shaped plate 11 lays a plurality of fluting pieces 12 in the conveying process of gypsum board transmission band 30, fluting piece 12 can be in form many continuous inlays on first core 61 and establish the groove, and the region between two adjacent fluting pieces 12 forms smoothing portion 13, smoothing portion 13 is used for right lie in adjacent two on the first core 61 inlay the region between the groove and carry out the smoothing.
Specifically, the grooving block 12 is a semicircular block, the curved surface of the semicircular block faces downward, and the diameter of the semicircular block is equal to the outer diameter of the glass fiber strip, so that the glass fiber strip is tightly attached to the embedded groove.
The arrangement structure 20 comprises a plurality of positioning holes 21 formed in the Jiong-shaped plate 11, the positioning holes 21 are arranged directly above the slotting block 12 in a one-to-one manner, and the lower edges of the positioning holes 21 coincide with the upper edges of the slotting block 12.
In the actual production process, a bottom layer of glass fiber mat is laid on the gypsum board conveying belt 30, then the first core body 61 is poured on the gypsum board conveying belt 30, when the first core body 61 moves to the position below the Jiong-shaped plate 11, the leveling part 13 and the grooving block 12 act simultaneously, the upper surface of the first core body 61 is leveled, and meanwhile, a plurality of embedding grooves are formed in the first core body 61.
All wear to be equipped with a glass fiber strip in each locating hole 21, the transport of glass fiber strip can set up transmission device at the transport top of gypsum board transmission band 30 and be used for constantly providing glass fiber strip, and after glass fiber strip passed through the locating hole, along with self action of gravity free fall to corresponding inlay establishes the groove in, can keep away from gypsum board transmission band 30 at the mechanism of arranging one side of the transport top and carry out the work of pouring of second core 62 and the cover work of upper glass fiber mat.
Since the glass fiber strip passes through the positioning hole 21, the gravity of the glass fiber strip exerts a certain pressure on the lower side of the positioning hole 21, so that the frictional resistance of the glass fiber strip at the positioning hole 21 is relatively large, and therefore the glass fiber strip at the positioning hole 21 may drag the glass fiber strip which is far away from the transmission starting end and is provided with the second core 62, so that the glass fiber strip is moved to a certain extent, therefore, a pre-arrangement structure 40 is further arranged between the arrangement structure 20 and the transmission starting end of the gypsum board transmission belt 30, and the pre-arrangement structure 40 is used for presetting the height of the glass fiber strip so that the glass fiber strip entering the positioning hole 21 is positioned at the center of the positioning hole 21, so as to reduce the frictional resistance of the positioning hole 21 to the glass fiber strip;
as shown in fig. 5, the pre-arrangement structure 40 includes a double-layer mounting frame 41 transversely mounted on the gypsum board conveying belt 30, a plurality of rollers 42 are rotatably mounted on each layer of the mounting frame 41, a through hole 43 matched with the glass fiber strip is formed in a gap between two rollers 42 on the same longitudinal axis, and the center of the through hole 43 and the center of the positioning hole 21 are located on the same horizontal line.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. A fireproof gypsum board is characterized by comprising a glass fiber mat (50) and a gypsum board core (60) arranged between two layers of the glass fiber mats (50), wherein a plurality of glass fiber bundles (63) are embedded in the gypsum board core (60);
the gypsum board core (60) includes a first core (61) and a second core (62), and a plurality of the glass fiber bundles (63) are laid flat between the first core (61) and the second core (62) to form a structural reinforcement of the gypsum board core (60).
2. A fire-resistant plasterboard according to claim 1, wherein a plurality of the glass fibre bundles (63) are laid at equally spaced intervals along the width of the plasterboard core (60), the length of each of the glass fibre bundles (63) being equal to the length of the plasterboard core (60).
3. A process for the production of fire-resistant plasterboards according to any one of claims 1-2, comprising the steps of:
100, pouring gypsum slurry on a bottom glass fiber mat, and trowelling the gypsum slurry to obtain a first core body with a first preset height;
step 200, arranging a plurality of glass fiber bundles in the width direction of the first core at fixed intervals by using a paving tool to obtain a structural reinforcement part;
step 300, continuously pouring gypsum slurry on the first core body so that the gypsum slurry completely covers the structural reinforcement part, and obtaining a second core body with a second preset height;
and step 400, covering another layer of glass fiber mat on the second core body to obtain the fireproof gypsum board.
4. The process for producing a fire-retardant gypsum board according to claim 3, wherein in step 200, obtaining a structural reinforcement specifically comprises:
step 201, arranging a plurality of glass fiber bundles above a first core body in a straight line shape at preset intervals;
step 202, prefabricating a plurality of embedded grooves corresponding to the glass fiber bundles one by one in the width direction of the first core, and keeping the distance between two adjacent embedded grooves equal to the distance between two adjacent glass fiber bundles;
202, paving the glass fiber strips in the corresponding embedding grooves from top to bottom by using a paving tool to obtain a structural reinforcement part.
5. The process for producing a fire-retardant gypsum board according to claim 4, further comprising pretreating the glass fiber bundle to reduce the free bending of the glass fiber bundle in step 201, wherein the pretreating comprises:
step 2011 soaking a plurality of glass fiber bundles in the gypsum slurry to saturate the glass fiber bundles with the gypsum slurry;
step 2012, taking out the glass fiber bundles, and airing the glass fiber bundles in a stretched state to obtain glass fiber strips with the outer surfaces covered with gypsum slurry;
and 2013, trimming the outer surfaces of the glass fiber strips to enable the outer diameters of the glass fiber strips to be equal.
6. Process for the production of a fire-retardant plasterboard according to claim 4, characterised in that the laying tool comprises a grooved structure (10) and an arrangement (20);
the slotting structure (10) is transversely arranged on a gypsum board conveying belt (30), and the slotting structure (10) is used for forming a plurality of continuous embedding grooves on the first core (21) in the conveying process of the gypsum board conveying belt (30);
the arranging structure (20) is connected with the slotting structure (10), the arranging structure (20) is used for parallelly arranging a plurality of glass fiber strips at a preset interval, and in the conveying process of the gypsum board conveying belt (30), the arranging structure (20) can lay the plurality of glass fiber strips into the corresponding embedding grooves at one time.
7. A process for the production of fire-retardant plasterboards according to claim 6, wherein the grooved structure (10) comprises Jiong shaped plates (11) transversely mounted on the plasterboard conveyor belt (30), the ends of the Jiong shaped plates (11) being connected one-to-one to the fixed plates on the two sides of the plasterboard conveyor belt (30);
jiong the lower extreme equidistance interval of shaped plate (11) is laid a plurality of fluting pieces (12) during the conveying of gypsum board transmission band (30), fluting piece (12) can be in form many continuous inlays on the first core and establish the groove, and the region between two adjacent fluting pieces (12) forms smoothing portion (13), smoothing portion (13) are used for right lie in adjacent two on the first core inlay and establish the region between the groove and smooth.
8. A process for manufacturing a fire-resistant plasterboard according to claim 7, wherein the grooved block (12) is a semicircular block with its curvature facing downwards, the semicircular block having a diameter equal to the outer diameter of the glass fibre strip.
9. A process for the production of fire-retardant plasterboard according to claim 7, characterised in that the arrangement (20) comprises a plurality of positioning holes (21) made in the Jiong-shaped plate (11), the positioning holes (21) being placed one-to-one directly above the grooving block (12), and the lower edges of the positioning holes (21) coinciding with the upper edges of the grooving block (12).
10. A process for the production of fire-retardant plasterboards according to claim 9, characterised in that a pre-arrangement structure (40) is further provided between the arrangement structure (20) and the start of the transfer of the plasterboard transfer belt (30), the pre-arrangement structure (40) being adapted to pre-set the height of the glass fibre strip such that the glass fibre strip entering the pilot hole (21) is located in the centre of the pilot hole (21);
prearranged structure (40) are in including the crossbearer double-deck mounting bracket (41) on gypsum board transmission band (30) are on each layer all rotate on mounting bracket (41) and install a plurality of gyro wheels (42), be in on the same longitudinal axis between two gyro wheels (42) the space form with glass fiber strip assorted through-hole (43), the center of through-hole (43) with the center of locating hole (21) is located same water flat line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038227.1A CN113789878B (en) | 2021-09-06 | 2021-09-06 | Fireproof gypsum board and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038227.1A CN113789878B (en) | 2021-09-06 | 2021-09-06 | Fireproof gypsum board and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113789878A true CN113789878A (en) | 2021-12-14 |
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| CN114261113A (en) * | 2021-12-28 | 2022-04-01 | 北新建材(天津)有限公司 | Clean aldehyde glass felt board apparatus for producing |
| CN114834109A (en) * | 2022-03-31 | 2022-08-02 | 梦牌新材料（宁国）有限公司 | Reinforced waterproof gypsum board and preparation method thereof |
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| CN113789878B (en) | 2022-12-23 |
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