Flame-retardant fire-resistant composite rock wool board and manufacturing and processing method thereof

Abstract

The invention relates to the technical field of composite rock wool boards, in particular to a flame-retardant fire-resistant composite rock wool board and a manufacturing and processing method thereof.The processing method includes the steps that 1, rock wool board raw materials are divided into two batches, and one batch of rock wool boards are placed into a modification device; 2, an opening is formed in the outer side of the rock wool board through a modification device; 3, adding a water absorbent into the opening of the rock wool board; 4, glue is smeared on the inner sides of the two batches of rock wool boards; 5, steel wire meshes are placed on the inner sides of the two batches of rock wool boards; 6, the two batches of rock wool boards are bonded with the steel wire mesh, and manufacturing of the composite rock wool board is completed; the modification device comprises a base, a driving shaft is rotationally connected to the base, driving wheels are fixedly connected to the two ends of the driving shaft, a forming belt is nested on the outer sides of the driving wheels, and a plurality of forming cutters are fixedly connected to the outer side of the forming belt; the rock wool board comprises a water absorption layer, a plurality of cross-shaped openings are formed in the outer side of the water absorption layer, the cross-shaped openings are filled with water absorption agents, a supporting layer is bonded to the inner side of the water absorption layer, and the composite rock wool board with the moisture absorption function has the beneficial effect that the composite rock wool board with the moisture absorption function can be manufactured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of composite rock wool board, more particularly to a fire-retardant and fire-resistant composite rock wool board and a manufacturing method thereof. BACKGROUND

[0002] The composite rock wool board is a new type of building material, which is composed of a rock wool board and an internal support grid, and has excellent fireproof performance. The rock wool board has a fireproof grade A1, can effectively prevent fire spreading, has a temperature resistance of 1000 degrees Celsius, and has a fire resistance limit of 2 hours, thereby having good fireproof performance in buildings.

[0003] The rock wool board is made of basalt and other natural minerals, which are melted into filaments and then woven into a multi-layer three-dimensional fabric structure. Each layer of the fabric structure has a large space between layers, which allows the rock wool board to quickly transfer moisture to the surface of the material after absorbing water, and the moisture is difficult to penetrate into the interior of the material, thereby having a very low moisture absorption rate. At the same time, due to the density of the fabric structure, external moisture is also difficult to penetrate into the interior of the material, thereby making the rock wool board have a very low water absorption rate. However, when the indoor humidity is high, such as during the rainy season, the indoor humid air cannot be quickly discharged, which can easily cause mold growth indoors and affect the health of the occupants. SUMMARY

[0004] To overcome the shortcomings of the prior art, the present application provides a fire-retardant and fire-resistant composite rock wool board and a manufacturing method thereof, which has the beneficial effect of being able to manufacture a composite rock wool board with moisture absorption function.

[0005] A manufacturing method of a fire-retardant and fire-resistant composite rock wool board, the method comprising the following steps:

[0006] S1: Dividing the rock wool board raw material into two batches, and placing one batch of the rock wool board into a modification device;

[0007] S2: Manufacturing openings on the outer side of the rock wool board by using the modification device;

[0008] S3: Adding a water absorption agent into the openings of the rock wool board;

[0009] S4: Applying glue on the inner side of the two batches of rock wool board;

[0010] S5: Placing a steel wire mesh on the inner side of the two batches of rock wool board;

[0011] S6: Bonding the two batches of rock wool board and the steel wire mesh to complete the manufacturing of the composite rock wool board.

[0012] Further, the water absorption agent in step S2 is a water-based acrylic ester paint.

[0013] Further, the glue in step S4 is a polyurethane adhesive.

[0014] Furthermore, the modification device includes a base, on which two drive shafts are rotatably connected. Drive wheels are fixed to both ends of the two drive shafts. A forming belt is nested on the outside of the four drive wheels, and multiple cross-shaped forming blades are fixed to the outside of the forming belt.

[0015] A flame-retardant and fire-resistant composite rock wool board includes a water-absorbing layer with multiple cross-shaped openings on the outer side of the water-absorbing layer. Each cross-shaped opening is filled with a water-absorbing agent, and a support layer is bonded to the inner side of the water-absorbing layer with adhesive. Attached Figure Description

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic flowchart of the manufacturing and processing method of flame-retardant and fire-resistant composite rock wool board in this invention;

[0018] Figure 2 This is a schematic diagram of the structure of the flame-retardant and fire-resistant composite rock wool board in this invention;

[0019] Figure 3 This is a schematic diagram of the modification device in this invention;

[0020] Figure 4 This is a schematic diagram of the internal structure of the modification device in this invention;

[0021] Figure 5 This is a schematic diagram of the base structure in this invention;

[0022] Figure 6 This is a schematic diagram of the structure of the forming belt, drive shaft, and auxiliary shaft in this invention;

[0023] Figure 7 This is a cross-sectional view of the forming belt in this invention;

[0024] Figure 8 This is a schematic diagram of the drive shaft in this invention;

[0025] Figure 9 This is a schematic diagram of the auxiliary shaft and pressure plate in this invention;

[0026] Figure 10 This is a schematic diagram of the auxiliary shaft in this invention;

[0027] Figure 11 This is a schematic diagram of the outer shell structure in this invention;

[0028] Figure 12 This is a cross-sectional view of the outer casing in this invention.

[0029] In the diagram: Support layer 101; Absorbent layer 102; Cross-shaped opening 103;

[0030] Base 201; Conveyor belt 202; Support plate 203; Motor 204; Pressure plate 205; Slide 206; Spring I 207;

[0031] Forming belt 301; limiting belt 302; forming blade 303;

[0032] Drive shaft 401; drive wheel 402; pulley 403; belt 404;

[0033] Auxiliary shaft 501; limiting groove 502; auxiliary plate 503; slider 504;

[0034] 601 outer casing; 602 feed port; 603 nozzle; 604 packing plate; 605 spring II. Detailed Implementation

[0035] A method for manufacturing and processing flame-retardant and fire-resistant composite rock wool boards, the method comprising the following steps:

[0036] S1: Divide the rock wool board raw materials into two batches, and put one batch of rock wool boards into the modification device;

[0037] S2: Create an opening on the outside of the rock wool board using a modification device;

[0038] S3: Add the absorbent to the opening of the rock wool board;

[0039] S4: Apply glue to the inside of both batches of rock wool boards;

[0040] S5: Place the wire mesh inside the two batches of rock wool boards;

[0041] S6: Bond the two batches of rock wool boards to the wire mesh to complete the production of the composite rock wool board.

[0042] By opening one side of the rock wool board and spraying it with a water-absorbing agent, the rock wool board on that side becomes water-absorbing, while increasing the water-absorbing area and the uniformity of water absorption, thereby improving the moisture absorption performance of the rock wool board on that side. After opening, the two batches of rock wool boards are bonded together with glue, thus producing a composite rock wool board with moisture-absorbing function.

[0043] A flame-retardant and fire-resistant composite rock wool board includes a water-absorbing layer 102, with multiple cross-shaped openings 103 on the outer side of the water-absorbing layer 102. The openings 103 are filled with a water-absorbing agent, and a support layer 101 is bonded to the inner side of the water-absorbing layer 102 with adhesive.

[0044] The cross-shaped opening 103 on the outer side of the absorbent layer 102 allows moisture to penetrate more easily into the interior of the absorbent layer 102, thereby improving the moisture absorption capacity of the absorbent layer 102. At the same time, the cross-shaped opening 103 can also increase the air permeability of the absorbent layer 102, which is conducive to the evaporation of internal moisture, making it more suitable for use in humid environments. This achieves the effect of absorbing indoor moisture and quickly expelling humid air from the room, keeping the room dry. The shape of the cross-shaped opening 103 is relatively simple, making it easy to open. At the same time, it makes the distance from the opening to various parts inside the absorbent layer 102 relatively uniform, thus making the moisture absorption capacity uniform throughout the absorbent layer 102 and achieving the effect of uniform moisture absorption.

[0045] Since the mechanical properties and strength of rock wool boards decrease after absorbing water and becoming damp, a support layer 101 is bonded to one side of the absorbent layer 102 with adhesive and kept dry. This ensures that the support layer 101 has stable and long-lasting high mechanical strength, providing support for the absorbent layer 102, thereby reducing the load on the absorbent layer 102 and improving its ability to resist external interference, thus extending the service life of the composite rock wool board.

[0046] Furthermore, the water-absorbing agent in step S2 is a water-based acrylic coating.

[0047] Water-based acrylic coating is a type of coating with water-absorbing properties. Spraying it onto rock wool boards may impart certain water-absorbing properties to the rock wool boards. After the coating is sprayed onto the rock wool boards, it forms a thin film. This thin film has a certain porosity and water-absorbing properties. When the coating fully covers and adheres to the rock wool boards, it will improve the water absorption properties of the rock wool boards, thereby achieving the effect of improving the water absorption capacity of the rock wool boards. By spraying and filling the cross-shaped opening 103 with a water-absorbing agent, the water-absorbing layer 102 is enhanced to have water-absorbing capacity, thereby achieving the effect of improving the moisture absorption capacity of the rock wool boards.

[0048] Furthermore, the adhesive used in step S4 is a polyurethane adhesive.

[0049] Polyurethane adhesive is a waterproof adhesive that prevents moisture from transferring from one side of the rock wool board to the other side, thereby preventing the absorbent layer 102 from transferring moisture to the support layer 101, keeping the support layer 101 dry, and preventing the thermal insulation performance and mechanical strength of the support layer 101 from weakening, affecting the structural stability and load-bearing capacity of the support layer 101, and thus preventing deformation and damage to the wall or roof.

[0050] like Figures 1-8 As shown, this example can achieve the effect of creating a cross 103 on the absorbent layer 102.

[0051] The modification device described in the manufacturing and processing method of flame-retardant and fire-resistant composite rock wool board includes a base 201, on which two drive shafts 401 are rotatably connected. Drive wheels 402 are fixedly connected to both ends of the two drive shafts 401. A forming belt 301 is nested outside the four drive wheels 402, and multiple cross-shaped forming blades 303 are fixedly connected to the outside of the forming belt 301. Simultaneously, the two drive shafts 401 are driven to rotate in the same direction, thereby causing the drive wheels 402 to rotate at the same speed and in the same direction, which in turn causes the forming belt 301 nested outside the drive wheels 402 to rotate. This causes the forming blade 303 to rotate around the forming belt 301, placing the absorbent layer 102 on one side below the forming belt 301, so that the forming blade 303 contacts the absorbent layer 102. When the forming blade 303 rotates, it causes the absorbent layer 102 to move to the other side of the forming belt 301 through friction. At the same time, the forming blade 303 inserts into the absorbent layer 102, thereby creating an opening on the absorbent layer 102. The cross-shaped forming blade 303 makes the opening cross-shaped, thus achieving the effect of creating a cross-shaped opening 103 on the absorbent layer 102.

[0052] like Figures 1-8 As shown, this example can achieve the effect of two drive shafts 401 rotating at the same speed and in the same direction.

[0053] In the manufacturing process of flame-retardant and fire-resistant composite rock wool boards, pulleys 403 are fixedly connected to one end of each of the two drive shafts 401. The two pulleys 403 are driven by a belt 404. A motor 204 is fixedly connected to the base 201 to drive the rotation of one pulley 403. After the motor 204 starts, it drives one pulley 403 to rotate, which in turn drives the other pulley 403 to rotate via the belt 404. The rotation speed and direction of the two pulleys 403 driven by the belt 404 are the same. The rotation of the pulleys 403 drives the drive shafts 401 to rotate, and thus the rotation speed and direction of the two drive shafts 401 are the same, thereby achieving the effect of the two drive shafts 401 rotating at the same speed and in the same direction.

[0054] like Figures 1-5 As shown, this example can improve the safety of the processing environment.

[0055] In the manufacturing process of flame-retardant and fire-resistant composite rock wool boards, a conveyor belt 202 is slidably connected inside the base 201. The absorbent layer 102 is placed on the conveyor belt 202 inside the base 201. Since the forming belt 301 is connected to the upper side of the base 201 via a drive shaft 401, the absorbent layer 102 is positioned below the forming belt 301. When the forming blade 303 moves the absorbent layer 102, the absorbent layer 102, through friction, causes the conveyor belt 202 to slide on the base 201, thus connecting the absorbent layer 102 to the base 201. The friction between the two is converted into friction between the conveyor belt 202 and the base 201. Since the surface of the absorbent layer 102 is relatively rough, the friction force on the absorbent layer 102 when it moves can be reduced, thereby facilitating the movement of the absorbent layer 102. At the same time, the wear of the absorbent layer 102 during the movement is reduced. Since the rock wool board fibers are thin and flexible, they are easy to scatter in the air after wear, resulting in a harsh processing environment. If inhaled, they will also affect the health of the operators. Therefore, by reducing the wear of the absorbent layer 102, the safety of the processing environment can be improved.

[0056] like Figures 1-7 As shown, this example can improve the forming efficiency of the cross-shaped 103.

[0057] Because both ends of the forming belt 301 in the flame-retardant and fire-resistant composite rock wool board manufacturing and processing method are nested with limiting belts 302; when the forming belt 301 rotates, it drives the limiting belts 302 to rotate. At the same time, when the forming blade 303 cuts the cross 103, the limiting belts 302 squeeze the upper side of the absorbent layer 102, thereby increasing the friction between the absorbent layer 102 and the conveyor belt 202, thereby preventing the absorbent layer 102 from slipping when cutting the cross 103, and preventing the forming blade 303 and the absorbent layer 102 from being relatively displaced when cutting the cross 103, which would cause errors in the size or shape of the cut opening, thereby improving the forming efficiency of the cross 103.

[0058] like Figures 1-10 As shown, this example can achieve the effect of assisting in cutting the cross 103.

[0059] In the manufacturing process of flame-retardant and fire-resistant composite rock wool boards, a pressure plate 205 is fixedly connected to the base 201. A groove 206 is provided on the inner side of the pressure plate 205. An auxiliary plate 503 is slidably connected inside the groove 206. A spring I 207 is fixedly connected between the auxiliary plate 503 and the top of the groove 206. Two semi-circular sliders 504 are fixedly connected to the lower side of the auxiliary plate 503. An auxiliary shaft 501 is nested inside the forming belt 301. Limit grooves 502 are provided at both ends of the auxiliary shaft 501. The two sliders 504 are slidably connected to each other. Inside the two limiting grooves 502, the spring I 207 is in a compressed state. The elastic force generated by the compressed spring I 207 pushes the auxiliary plate 503 to generate a downward thrust in the slide groove 206. This force is then transmitted to the auxiliary shaft 501 through the slider 504 and the limiting groove 502. This pushes the auxiliary shaft 501 to press down the forming belt 301, which in turn presses down the forming blade 303 below the auxiliary shaft 501 to move downward. This increases the cutting force of the forming blade 303, thereby achieving the effect of assisting in cutting the cross 103.

[0060] The semi-circular slider 504 slides outside the limiting groove 502. The groove 206 can prevent the auxiliary plate 503 from rotating, thereby fixing the position of the auxiliary shaft 501. At the same time, the auxiliary shaft 501 can rotate, which facilitates the continuous cutting of the cross 103 by the auxiliary forming knife 303.

[0061] like Figures 1-10 As shown, this example can provide support when cutting the cross 103.

[0062] Because the base 201 in the flame-retardant and fire-resistant composite rock wool board manufacturing and processing method has a support plate 203 fixed inside, and the position of the support plate 203 is below the auxiliary shaft 501; the water-absorbing layer 102 will move downward under the pressure of the forming blade 303. When the auxiliary shaft 501 presses down on the forming blade 303, the support plate 203 provides support for the water-absorbing layer 102, thereby preventing the water-absorbing layer 102 from moving downward, which facilitates the cutting of the cross 103. Thus, the support plate 203 achieves the effect of providing support when cutting the cross 103.

[0063] like Figures 1-12 As shown, this example can achieve the effect of cleaning the absorbent layer 102.

[0064] In the manufacturing process of flame-retardant and fire-resistant composite rock wool boards, a shell 601 is detachably connected above the base 201. A feed port 602 is provided at the bottom of the shell 601, a nozzle 603 is fixedly attached to the top of the shell 601, and a filler plate 604 is slidably connected to the inner side of the end of the shell 601. The inner side of the filler plate 604 is arc-shaped, and a spring 605 is fixedly connected between the filler plate 604 and the shell 601. Since a large amount of inorganic fibers are generated during the processing of rock wool boards, which can affect health if inhaled, the shell 601 is fixed above the base 201 to confine the generated inorganic fibers to the inner side of the shell 601, thereby preventing the inorganic fibers from affecting the processing environment. The absorbent layer 102 passes through the feed port 602 below the shell 601. 2. The absorbent enters and exits the outer casing 601; the absorbent is introduced into the inner side of the outer casing 601 through the nozzle 603, and then the absorbent is sprayed onto the absorbent layer 102 with the cut cross 103, thereby achieving the effect of spraying absorbent onto the absorbent layer 102 and the cross 103; after spraying the absorbent, the forming belt 301 pushes the absorbent layer 102 to move to the outside of the outer casing 601. When passing through the feed port 602, the compressed spring II 605 pushes the filler plate 604 to squeeze above the absorbent layer 102, thereby spreading the absorbent sprayed on the upper side of the absorbent layer 102, thereby making the absorbent thickness on the absorbent layer 102 more uniform. At the same time, by pressing down the absorbent layer 102, the cross 103 is made flatter, thereby achieving the effect of tidying up the absorbent layer 102.

Claims

1. A method for manufacturing and processing flame-retardant and fire-resistant composite rock wool boards, characterized in that: The method includes the following steps: S1: Divide the rock wool board raw materials into two batches, and put one batch of rock wool boards into the modification device; S2: Create an opening on the outside of the rock wool board using a modification device; S3: Add the absorbent to the opening of the rock wool board; S4: Apply glue to the inside of both batches of rock wool boards; S5: Place the wire mesh inside the two batches of rock wool boards; S6: Bond the two batches of rock wool boards to the wire mesh to complete the production of the composite rock wool board.

2. The method for manufacturing and processing flame-retardant and fire-resistant composite rock wool board according to claim 1, characterized in that: The water-absorbing agent in step S2 is a water-based acrylic coating.

3. The method for manufacturing and processing flame-retardant and fire-resistant composite rock wool board according to claim 1, characterized in that: The adhesive used in step S4 is a polyurethane adhesive.

4. The method for manufacturing and processing flame-retardant and fire-resistant composite rock wool board according to claim 1, characterized in that: The modification device includes a base (201), on which two drive shafts (401) are rotatably connected. Drive wheels (402) are fixed to both ends of the two drive shafts (401). A forming belt (301) is nested on the outside of the four drive wheels (402). Multiple cross-shaped forming blades (303) are fixed to the outside of the forming belt (301).

5. The method for manufacturing and processing a flame-retardant and fire-resistant composite rock wool board according to claim 4, characterized in that: Each of the two drive shafts (401) has a pulley (403) fixedly connected to one end, and the two pulleys (403) are driven by a belt (404). A motor (204) that drives the pulley (403) on one side to rotate is fixedly connected to the base (201).

6. The method for manufacturing and processing a flame-retardant and fire-resistant composite rock wool board according to claim 5, characterized in that: The base (201) is internally connected to a conveyor belt (202), and both ends of the forming belt (301) are nested with limit belts (302).

7. The method for manufacturing and processing a flame-retardant and fire-resistant composite rock wool board according to claim 6, characterized in that: A pressure plate (205) is fixedly connected to the base (201). A groove (206) is provided on the inner side of the pressure plate (205). An auxiliary plate (503) is slidably connected inside the groove (206). A spring I (207) is fixedly connected between the auxiliary plate (503) and the top of the groove (206). Two semi-circular sliders (504) are fixedly connected to the lower side of the auxiliary plate (503). An auxiliary shaft (501) is nested inside the forming belt (301). Limiting grooves (502) are provided at both ends of the auxiliary shaft (501). The two sliders (504) are slidably connected inside the two limiting grooves (502).

8. The method for manufacturing and processing a flame-retardant and fire-resistant composite rock wool board according to claim 7, characterized in that: A support plate (203) is fixedly connected inside the base (201), and the support plate (203) is located below the auxiliary shaft (501).

9. A method for manufacturing and processing flame-retardant and fire-resistant composite rock wool board according to claim 8, characterized in that: A housing (601) is detachably connected to the top of the base (201). A feed port (602) is opened at the bottom of the housing (601). A nozzle (603) is fixedly connected to the top of the housing (601). A filler plate (604) is slidably connected to the inner side of the end of the housing (601). The inner side of the filler plate (604) is set to be arc-shaped. A spring II (605) is fixedly connected between the filler plate (604) and the housing (601).

10. The rock wool board prepared by the method for manufacturing and processing a flame-retardant and fire-resistant composite rock wool board according to any one of claims 1-9, characterized in that: The rock wool board includes a water-absorbing layer (102), with multiple cross-shaped openings (103) on the outside of the water-absorbing layer (102). Each of the multiple cross-shaped openings (103) is filled with a water-absorbing agent. A support layer (101) is glued to the inside of the water-absorbing layer (102).

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