Composite reinforced cement fiberboard, preparation device and preparation method

Abstract

The invention discloses a composite reinforced cement fiberboard, a preparation device and a preparation method, the composite reinforced cement fiberboard comprises a steam curing furnace and an upper steam pipe installed on the inner wall of the top of the steam curing furnace, the upper steam pipe comprises a water storage mechanism, the water storage mechanism comprises a pipe body, and one end of the pipe body is fixedly connected with a water storage box used for collecting condensate water on the inner wall of the pipe body. The cement fiberboard is placed on the steam-curing frame after being processed and formed, a furnace door of the steam-curing furnace is opened and pushed into the steam-curing furnace, the cement fiberboard is subjected to high-temperature steam-curing preparation through the side steam pipe and the upper steam pipe, and calcium oxide is arranged in a cavity formed by the sealing box, the movable cover and the funnel cover. The siphon mechanism discharges condensate water in the water storage box into the reaction box through the siphon effect, the movable cover and the funnel cover are pushed to rise through buoyancy of the air bag, calcium oxide is discharged into the reaction box to react with water, generated steam can conduct heat preservation on the pipe body, the generation probability of the condensate water is reduced, defects on the surface of the plate are avoided, and the curing uniformity is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of steam-cured preparation of cement fiberboard, and in particular relates to a composite reinforced cement fiberboard, a preparation device and a preparation method. Background Art

[0002] Cement fiber exterior wall panels are a new type of green building energy-saving material, which is widely used in building exterior wall facades. As exterior wall panels, the panels have high requirements for wind pressure resistance, so the panels shipped must meet the requirements. The strength of cement products is determined by the degree of cement hydration reaction. The longer the reaction time, the higher the strength. Therefore, after the wet embryo of cement exterior wall panels is produced, they can only be shipped after 28 days of natural curing, which greatly affects the production and delivery process.

[0003] At present, some factories promote the hydration reaction of cement by high-temperature steam curing in autoclaves, which greatly shortens the delivery date and improves production efficiency. However, due to the imperfection of steam curing equipment, the condensed water produced by the steam equipment will drip onto the board, which will cause surface defects or uneven curing of the board. Summary of the invention

[0004] The present invention aims at solving the problems in the prior art and proposes the following technical solutions:

[0005] A composite reinforced cement fiberboard preparation device comprises a steam curing furnace and an upper steam pipe installed on the inner wall of the top of the steam curing furnace, wherein the upper steam pipe comprises:

[0006] A water storage mechanism, the water storage mechanism comprising a tube body, one end of the tube body being fixedly connected to a water storage box for collecting condensed water on the inner wall of the tube body;

[0007] A reaction mechanism, the reaction mechanism comprising a reaction box fixedly sleeved on the outer ring of the water storage box, the reaction boxes being connected via a siphon mechanism;

[0008] A material discharge mechanism, the material discharge mechanism comprises a sealing box, the sealing box is installed inside the reaction box through the material storage mechanism, and the outer ring and the inner ring of the sealing box are respectively movably sleeved with a moving cover and a funnel cover, the moving cover is fixedly connected to the funnel cover, an air bag is arranged below the sealing box, the air bag is fixedly connected to the funnel cover through a piston rod, and the piston rod is connected to the piston of the sealing box;

[0009] Calcium oxide is arranged in the cavity formed by the sealing box, the movable cover and the funnel cover. The siphon mechanism discharges the condensed water in the water storage box into the reaction box. The movable cover and the funnel cover are pushed up by the air bag to discharge the calcium oxide into the reaction box to react with water. The generated water vapor can keep the pipe body warm and reduce the probability of condensed water generation.

[0010] As a preferred embodiment of the above technical solution, the outer ring fixing sleeve of the tube body is provided with a connecting piece, the outer ring fixing sleeve of the connecting piece is provided with a heat-insulating shell, and the end of the heat-insulating shell close to the reaction box is trumpet-shaped.

[0011] As a preferred embodiment of the above technical solution, the material storage mechanism includes:

[0012] A material storage barrel, one end of which is fixed on the bottom inner wall of the reaction box, and the other end is threadedly connected with a sealing cover, the outer ring of the material storage barrel is fixedly sleeved with a mounting plate, and the sealing box is movably sleeved on the outer ring of the material storage barrel and clamped on the mounting plate.

[0013] As a preferred embodiment of the above technical solution, a sealing member is fixedly connected to the side of the sealing cover close to the material storage barrel, and the sealing member is located inside the material storage barrel. One side of the sealing member is fixedly connected to a pressure plate through elastic member 2, and a conical block fixed to the inner wall of the material storage barrel is provided on the side of the pressure plate away from elastic member 2, and calcium oxide is provided between the conical block and the pressure plate.

[0014] As a preferred embodiment of the above technical solution, the material storage barrel is provided with a material guide hole 1 on the side wall close to the conical block, the sealing box is provided with a material guide hole 2 matched therewith on the side close to the material guide hole 1, the funnel cover is provided with a material guide hole 3 matched therewith on the side close to the material guide hole 2, and the movable cover is provided with a discharge port on the side close to the side wall of the sealing box, and the discharge port is fixedly connected with an inclined waterproof plate.

[0015] As a preferred embodiment of the above technical solution, a movable groove is provided on the side of the reaction box away from the water storage box, and a sliding opening communicating with the movable groove is provided on the inner wall, a partition cover is slidably installed in the movable groove, the bottom of the partition cover is fitted with the bottom inner wall of the reaction box, an elastic member 1 is fixedly connected to the top, the top of the elastic member 1 is fixedly connected to the movable groove, a push plate fixedly connected to the partition cover is slidably connected to the sliding opening, a support plate matched with the push plate is fixedly connected to the outer wall of the movable cover, and a magnetic suction member is arranged between the sealing box and the movable cover.

[0016] As a preferred embodiment of the above technical solution, a guide groove is provided on the side of the reaction box away from the water storage box, and an air inlet hole and an air exhaust hole communicated with the guide groove are provided on the inner wall of the reaction box, and the air inlet hole and the air exhaust hole are respectively located on both sides of the partition cover, and a material guide pad fixedly installed on the bottom inner wall of the reaction box is provided below the sealing box, and the side of the material guide pad close to the partition cover is lower than the side away from the partition cover.

[0017] As a preferred embodiment of the above technical solution, the siphon mechanism includes:

[0018] A bellows, wherein the bellows is detachably connected to the reaction box, one end of the bellows away from the reaction box is fixedly connected to a siphon tube 1 via a bend tube 1, one end of the siphon tube 1 away from the bend tube 1 passes through the bottom of the water storage box, and is fixedly connected to a siphon tube 2 via a bend tube 2, and the siphon tube 2 and the bend tube 2 are located inside the water storage box.

[0019] The preparation method of the composite reinforced cement fiber board preparation device comprises the following steps:

[0020] S1. Preparation of cement fiberboard;

[0021] After the cement fiberboard is processed and formed, it is placed on the steaming rack, the door of the steaming furnace is opened and the board is pushed into the steaming furnace, and the cement fiberboard is steamed and prepared at high temperature through the side steam pipe and the upper steam pipe;

[0022] S2, collecting condensed water;

[0023] The steam transported by the pipe will form condensed water after being cooled and adhere to the inner wall. Since the pipe is set vertically, the condensed water will slide into the water storage box for collection.

[0024] S3, discharge condensed water;

[0025] When the condensed water inside the water storage box overflows the second elbow, a siphon effect will occur, draining the condensed water into the interior of the reaction box;

[0026] S4, heating condensed water;

[0027] After the condensed water enters the reaction box, the buoyancy of the airbag can push the movable cover and the funnel cover to rise, and the calcium oxide in the cavity formed by the sealing box, the movable cover and the funnel cover will slide into the condensed water through the discharge port, so that it reacts with the condensed water to heat up;

[0028] S5, pipe body insulation;

[0029] The reaction of calcium oxide and condensed water will produce 700 degrees Celsius, and the evaporated water vapor will enter the channel between the insulation shell and the tube body, insulating the tube body, causing the tube body to heat up quickly, and avoiding continuous condensation on the inner wall;

[0030] S6, calcium oxide filling;

[0031] When the movable cover drives the support plate to rise, it will push the separation cover to rise together through the push plate. At this time, condensed water and calcium oxide will slide from the material guide pad to above the air inlet hole. At this time, the water level will drop, and the movable cover and the funnel cover will drop together. When the material guide hole three, the material guide hole two and the material guide hole one are located on the same axis, the elastic part two will push the pressure plate to squeeze the calcium oxide inside the storage barrel into the cavity formed by the sealing box, the movable cover and the funnel cover.

[0032] Composite reinforced cement fiber board, the raw material ratio of cement fiber board is: cement: 60-70%, fiber: 10-15%, mineral filler: 10-20%, water: 15-25%, and the board width reaches 1500-3000mm.

[0033] The beneficial effects of the present invention are:

[0034] 1. After the cement fiber board is processed and formed, it is placed on a steaming rack, the door of the steaming furnace is opened and pushed into the steaming furnace, and the cement fiber board is subjected to high-temperature steaming preparation through the side steam pipe and the upper steam pipe. Calcium oxide is arranged in the cavity formed by the sealing box, the movable cover and the funnel cover, and the siphon mechanism discharges the condensed water in the water storage box into the reaction box through the siphon effect, and the movable cover and the funnel cover are pushed up by the buoyancy of the airbag, and the calcium oxide is discharged into the reaction box to react with water. The generated water vapor can keep the pipe body warm, reduce the probability of condensed water generation, avoid defects on the surface of the board, and improve the uniformity of curing;

[0035] 2. According to the present invention, when the movable cover and the funnel cover are pushed upward, the calcium oxide inside will fall into the interior of the reaction box from the discharge port, and at the same time, the material guide hole three will be staggered with the material guide hole two. When the movable cover and the funnel cover fall to their original positions, the material guide hole three will be realigned with the material guide hole two and the material guide hole one. At this time, the calcium oxide inside the storage barrel will be poured into the cavity formed by the sealing box, the movable cover and the funnel cover. When the situation of condensed water continuing to appear in the tube body cannot be improved, it is convenient to repeatedly heat the collected condensed water. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 What is shown is a schematic diagram of the structure of a composite reinforced cement fiber board preparation device in an embodiment;

[0037] Figure 2 What is shown is a schematic diagram of the structure of the upper steam pipe in the embodiment;

[0038] Figure 3 It is shown that Figure 2 A schematic diagram of the structure enlargement at point A;

[0039] Figure 4 What is shown is a schematic diagram of the structure of the reaction mechanism in the embodiment;

[0040] Figure 5 It is shown that Figure 4 A schematic diagram of the structure at B in FIG.

[0041] Figure 6 What is shown is a schematic diagram of the structure of the material storage mechanism and the material discharge mechanism in the embodiment;

[0042] Figure 7 Shown is a schematic structural diagram of a siphon mechanism in an embodiment.

[0043] Description of reference numerals:

[0044] 10. Steaming furnace; 20. Side steam pipe; 30. Steaming rack; 40. Upper steam pipe; 41. Water storage mechanism; 411. Insulation shell; 412. Connector; 413. Pipe body; 414. Water storage box; 42. Reaction mechanism; 421. Reaction box; 421a. Pipe hole; 422. Material guide pad; 423. Separation cover; 424. Push plate; 425. Elastic member 1; 426. Guide groove; 427. Air inlet; 428. Exhaust hole; 43. Siphon mechanism; 431. Bellows; 432. Bend pipe 1; 433. Siphon pipe 1 ; 434, elbow two; 435, siphon two; 44, material storage mechanism; 441, material storage barrel; 441a, material guide hole one; 442, conical block; 443, sealing cover; 444, sealing member; 445, elastic member two; 446, pressing plate; 447, mounting plate; 45, material discharge mechanism; 451, sealing box; 451a, material guide hole two; 452, movable cover; 452a, material discharge port; 453, funnel cover; 453a, material guide hole three; 454, piston rod; 455, air bag; 456, waterproof board; 457, support plate. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0046] Example 1

[0047] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a composite reinforced cement fiber board preparation device includes a steam curing furnace 10 and an upper steam pipe 40 installed on the inner wall of the top of the steam curing furnace 10. A plurality of upper steam pipes 40 are provided and are arranged in a uniform array. A steam curing rack 30 is provided below the upper steam pipe 40. The steam curing rack 30 is used to place the cement fiber board. The left and right sides of the steam curing rack 30 are provided with side steam pipes 20 installed on the inner wall of the steam curing furnace 10. A plurality of side steam pipes 20 are provided and are arranged in a uniform array. The upper steam pipe 40 includes a water storage mechanism 41, a reaction mechanism 42 and a feeding mechanism 45. The water storage mechanism 41 includes a pipe body 413. One end of the pipe body 413 is fixedly connected to a water storage box 414 for collecting condensed water on the inner wall of the pipe body 413. The reaction mechanism 42 includes a fixed sleeve arranged on the water storage box 41 The reaction box 421 on the outer ring is connected through the siphon mechanism 43. The unloading mechanism 45 includes a sealing box 451. The sealing box 451 is installed inside the reaction box 421 through the material storage mechanism 44. The outer ring and inner ring of the sealing box 451 are respectively movably sleeved with a moving cover 452 and a funnel cover 453. The moving cover 452 is fixedly connected with the funnel cover 453. An air bag 455 is arranged below the sealing box 451. The air bag 455 is fixedly connected with the funnel cover 453 through a piston rod 454. The piston rod 454 is connected with the piston of the sealing box 451. The outer ring of the tube body 413 is fixedly sleeved with a connecting piece 412. The outer ring of the connecting piece 412 is fixedly sleeved with a heat-insulating shell 411. The end of the heat-insulating shell 411 close to the reaction box 421 is in a trumpet shape.

[0048] Specifically, after the cement fiberboard is processed and formed, it is placed on the steaming rack 30, the door of the steaming furnace 10 is opened and pushed into it, and the cement fiberboard is prepared by high-temperature steaming through the side steam pipe 20 and the upper steam pipe 40. Calcium oxide is provided in the cavity formed by the sealing box 451, the movable cover 452 and the funnel cover 453. The siphon mechanism 43 discharges the condensed water in the water storage box 414 into the reaction box 421 through the siphon effect. The buoyancy of the airbag 455 pushes the movable cover 452 and the funnel cover 453 to rise, and the calcium oxide is discharged into the reaction box 421 to react with water. The generated water vapor can keep the tube body 413 warm and reduce the probability of condensed water generation.

[0049] Example 2

[0050] As Figure 3 , Figure 4 and Figure 6As shown, the composite reinforced cement fiber board preparation device, compared with Example 1, the material storage mechanism 44 of this embodiment includes a material storage barrel 441, one end of the material storage barrel 441 is fixed on the bottom inner wall of the reaction box 421, and the other end is threadedly connected with a sealing cover 443, the outer ring of the material storage barrel 441 is fixedly sleeved with a mounting plate 447, the sealing box 451 is movably sleeved on the outer ring of the material storage barrel 441 and clamped on the mounting plate 447, and the sealing cover 443 is fixedly connected with a sealing member 444 on one side close to the material storage barrel 441, the sealing member 444 is made of but not limited to rubber, the sealing member 444 is located inside the material storage barrel 441, and one side of the sealing member 444 is fixedly connected with a pressing plate 446 through an elastic member 445, the elastic member 445 is made of but not limited to a spring, and the side of the pressing plate 446 away from the elastic member 445 is provided with a conical block 442 fixed in the inner wall of the material storage barrel 441, and calcium oxide is provided between the conical block 442 and the pressing plate 446.

[0051] Specifically, the material storage barrel 441 is threadedly connected to the sealing cover 443, making it convenient to disassemble and assemble it. When the calcium oxide in the cavity of the material storage barrel 441 is gone, it can be opened for infusion, or the sealing box 451 can be removed from the material storage barrel 441. The sealing member 444 can prevent condensed water from seeping into the gap between the material storage barrel 441 and the sealing cover 443, thereby maintaining the sealing of the material storage barrel 441 and avoiding reaction with the calcium oxide inside. At the same time, the force of the elastic member 445 will push the pressure plate 446 to move to one side of the conical block 442, and the pressure plate 446 will push the calcium oxide to collapse to the side away from the axis of the material storage barrel 441 through the cooperation of the conical block 442.

[0052] Example 3

[0053] like Figure 3 , Figure 4 , Figure 5 and Figure 7As shown, the composite reinforced cement fiber board preparation device proposed by the present invention, compared with Example 1 or Example 2, a moving groove is provided on the side of the reaction box 421 away from the water storage box 414, and a sliding opening is provided on the inner wall to communicate with the moving groove. A partition cover 423 is slidably installed in the moving groove. The length of the moving groove is greater than the length of the partition cover 423, so that the partition cover 423 can completely enter the moving groove. The bottom of the partition cover 423 is in contact with the bottom inner wall of the reaction box 421, dividing the reaction box 421 into two parts, and the condensed water of the water storage box 414 first flows into the part close to the storage material A side cavity of the cylinder 441 is fixedly connected with an elastic member 425 at the top, and the elastic member 425 adopts but is not limited to a spring, and the top of the elastic member 425 is fixedly connected to the movable groove, and the sliding mouth is slidably connected with a push plate 424 fixedly connected to the partition cover 423, and the outer wall of the movable cover 452 is fixedly connected with a support plate 457 matched with the push plate 424, and a magnetic attraction member is arranged between the sealing box 451 and the movable cover 452, and the magnetic attraction member includes a positive pole of a magnet and a negative pole of a magnet, and the positive pole of the magnet and the negative pole of the magnet are respectively fixed on the sealing box 451 and the movable cover 452, and are magnetically attracted to each other.

[0054] Specifically, after the siphon mechanism 43 pumps the condensed water inside the water storage box 414 into the interior of the reaction box 421, the buoyancy of the airbag 455 pushes the movable cover 452 and the funnel cover 453 to rise, and the calcium oxide is discharged into the reaction box 421 to react with the water. When the movable cover 452 rises, it will drive the support plate 457 to rise together. The support plate 457 will lift the separation cover 423 into the movable groove through the push plate 424. At this time, the condensed water and calcium oxide will enter the side of the separation cover 423 away from the storage barrel 441. When the water level line drops, the movable cover 452 and the funnel cover 453 will also fall, and finally the movable cover 452 and the sealing box 451 are completely closed by the magnetic suction piece.

[0055] like Figure 4 , Figure 5 and Figure 7 As shown, a guide groove 426 is provided on the side of the reaction box 421 away from the water storage box 414, and an air inlet hole 427 and an air exhaust hole 428 which are interconnected with the guide groove 426 are provided on the inner wall of the reaction box 421. The air inlet hole 427 and the air exhaust hole 428 are respectively located on both sides of the partition cover 423, and a material guide pad 422 fixedly installed on the bottom inner wall of the reaction box 421 is provided below the sealing box 451. The side of the material guide pad 422 close to the partition cover 423 is lower than the side away from the partition cover 423, which is convenient for guiding the condensed water and calcium oxide located on one side of the storage barrel 441 into the side of the partition cover 423 away from the storage barrel 441.

[0056] Specifically, condensed water and calcium oxide are introduced into the side of the partition cover 423 away from the storage barrel 441, and after the partition cover 423 falls back, the heat and water vapor generated by the condensed water and calcium oxide will enter the interior of the guide groove 426 from the air inlet 427, and then be discharged from the exhaust hole 428 to between the insulation shell 411 and the tube body 413 to keep the tube body 413 warm.

[0057] like Figure 6 As shown, a material guide hole 1 441a is provided on the side wall of the material storage barrel 441 near the conical block 442, a material guide hole 2 451a matching therewith is provided on the side of the sealing box 451 near the material guide hole 1 441a, a material guide hole 3 453a matching therewith is provided on the side of the funnel cover 453 near the material guide hole 2 451a, the diameters of the material guide hole 3 453a, the material guide hole 2 451a and the material guide hole 1 441a are the same, a material discharge port 452a is provided on the side of the movable cover 452 near the side wall of the sealing box 451, and the material discharge port 452a is fixedly connected to an inclined waterproof plate 456.

[0058] Specifically, when the movable cover 452 and the funnel cover 453 are pushed upward, the calcium oxide inside will fall into the interior of the reaction box 421 from the discharge port 452a, and at the same time, the material guide hole three 453a will also be staggered with the material guide hole two 451a. When the movable cover 452 and the funnel cover 453 fall to their original positions, the material guide hole three 453a will be realigned with the material guide hole two 451a and the material guide hole one 441a. At this time, the calcium oxide located inside the storage barrel 441 will be poured into the cavity formed by the sealing box 451, the movable cover 452 and the funnel cover 453. When the situation of condensed water continuing to appear in the tube body 413 cannot be improved, it is convenient to repeatedly heat the collected condensed water.

[0059] Example 4

[0060] like Figure 4 and Figure 7 As shown, the composite reinforced cement fiber board preparation device proposed in the present invention, compared with Example 1 or Example 2 or Example 3, the siphon mechanism 43 of this embodiment includes a bellows 431, the bellows 431 is detachably connected to the reaction box 421, the reaction box 421 is provided with a pipe hole 421a, the bellows 431 is inserted therein, the end of the bellows 431 away from the reaction box 421 is fixedly connected to a siphon tube 433 through a bend 432, the end of the siphon tube 433 away from the bend 432 passes through the bottom of the water storage box 414, and is fixedly connected to a siphon tube 435 through a bend 434, and the siphon tube 435 and the bend 434 are located inside the water storage box 414.

[0061] Specifically, the length of the siphon tube 435 and the bend tube 434 is less than the depth of the water storage box 414. When the condensed water collected in the water storage box 414 is lower than the bend tube 434, the condensed water will accumulate inside the water storage box 414. When the condensed water overflows the bend tube 434, the condensed water will be pumped into the interior of the reaction box 421 through the siphon effect until the water level of the condensed water inside the water storage box 414 is lower than the end of the siphon tube 435 away from the bend tube 434.

[0062] The preparation method of the composite reinforced cement fiber board preparation device comprises the following steps:

[0063] S1. Preparation of cement fiberboard;

[0064] After the cement fiberboard is processed and formed, it is placed on the steaming rack 30, the door of the steaming furnace 10 is opened and pushed into it, and the cement fiberboard is steamed and prepared at high temperature through the side steam pipe 20 and the upper steam pipe 40;

[0065] S2, collecting condensed water;

[0066] The steam transported by the tube body 413 will form condensed water after being cooled and adhere to the inner wall. Since the tube body 413 is arranged vertically, the condensed water will slide into the inside of the water storage box 414 for collection;

[0067] S3, discharge condensed water;

[0068] When the condensed water in the water storage box 414 overflows the second curved pipe 434, a siphon effect will be generated to discharge the condensed water into the interior of the reaction box 421;

[0069] S4, heating condensed water;

[0070] After the condensed water enters the reaction box 421, the buoyancy of the airbag 455 can push the movable cover 452 and the funnel cover 453 upward, and the calcium oxide in the cavity formed by the sealing box 451, the movable cover 452 and the funnel cover 453 will slide into the condensed water through the discharge port 452a, so that it reacts with the condensed water and heats up;

[0071] S5, insulation of pipe body 413;

[0072] The reaction of calcium oxide and condensed water will produce 700 degrees Celsius, and the evaporated water vapor will enter the channel between the heat-insulating shell 411 and the tube body 413, and the tube body 413 will be insulated, so that the tube body 413 will be heated up quickly, and the continuous generation of condensed water on the inner wall will be avoided;

[0073] S6, calcium oxide filling;

[0074] When the movable cover 452 drives the support plate 457 to rise, it will push the partition cover 423 to rise together through the push plate 424. At this time, condensed water and calcium oxide will slide from the material guide pad 422 to above the air inlet 427. At this time, the water level line will drop, and the movable cover 452 and the funnel cover 453 will drop together. When the material guide hole three 453a, the material guide hole two 451a and the material guide hole one 441a are located on the same axis, the elastic member two 445 will push the pressure plate 446 to squeeze the calcium oxide located inside the storage barrel 441 into the cavity formed by the sealing box 451, the movable cover 452 and the funnel cover 453.

[0075] Composite reinforced cement fiberboard, the raw material ratio of cement fiberboard is: cement: 60-70%, fiber (such as wood fiber, glass fiber, etc.): 10-15%, mineral filler (such as gypsum, talc, etc.): 10-20%, water: 15-25%, and the width of the board reaches 1500-3000mm.

[0076] The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them.

Claims

1. A composite reinforced cement fiberboard preparation device, comprising a steam curing furnace (10) and an upper steam pipe (40) installed on the top inner wall of the steam curing furnace (10), characterized in that: The upper steam pipe (40) comprises: A water storage mechanism (41), the water storage mechanism (41) comprising a tube body (413), one end of the tube body (413) being fixedly connected to a water storage box (414) for collecting condensed water on the inner wall of the tube body (413); A reaction mechanism (42), the reaction mechanism (42) comprising a reaction box (421) fixedly sleeved on the outer ring of the water storage box (414), the reaction box (421) being connected via a siphon mechanism (43); A material discharge mechanism (45), the material discharge mechanism (45) comprising a sealing box (451), the sealing box (451) being installed inside the reaction box (421) through a material storage mechanism (44), and the outer ring and the inner ring of the sealing box (451) are respectively movably sleeved with a movable cover (452) and a funnel cover (453), the movable cover (452) and the funnel cover (453) being fixedly connected, an air bag (455) being arranged below the sealing box (451), the air bag (455) being fixedly connected to the funnel cover (453) through a piston rod (454), and the piston rod (454) being connected to the piston of the sealing box (451); Calcium oxide is arranged in a cavity formed by the sealing box (451), the movable cover (452) and the funnel cover (453). The siphon mechanism (43) discharges condensed water in the water storage box (414) into the reaction box (421). The movable cover (452) and the funnel cover (453) are pushed upward by the air bag (455), and the calcium oxide is discharged into the reaction box (421) to react with water. The generated water vapor can keep the tube body (413) warm, thereby reducing the probability of condensed water generation.

2. The composite reinforced cement fiber board preparation device according to claim 1, characterized in that: The outer ring fixed sleeve of the tube body (413) is provided with a connecting piece (412), and the outer ring fixed sleeve of the connecting piece (412) is provided with a heat-insulating outer shell (411), and one end of the heat-insulating outer shell (411) close to the reaction box (421) is in a trumpet shape.

3. The composite reinforced cement fiber board preparation device according to claim 2, characterized in that: The material storage mechanism (44) comprises: A material storage barrel (441), one end of which is fixed on the bottom inner wall of the reaction box (421), and the other end of which is threadedly connected with a sealing cover (443); the outer ring of the material storage barrel (441) is fixedly sleeved with a mounting plate (447); the sealing box (451) is movably sleeved on the outer ring of the material storage barrel (441) and clamped on the mounting plate (447).

4. The composite reinforced cement fiber board preparation device according to claim 3, characterized in that: A sealing member (444) is fixedly connected to the side of the sealing cover (443) close to the material storage barrel (441), and the sealing member (444) is located inside the material storage barrel (441). A pressure plate (446) is fixedly connected to one side of the sealing member (444) via a second elastic member (445). A conical block (442) fixed to the inner wall of the material storage barrel (441) is provided on the side of the pressure plate (446) away from the second elastic member (445), and calcium oxide is provided between the conical block (442) and the pressure plate (446).

5. The device for preparing composite reinforced cement fiber board according to claim 4, characterized in that: The material storage barrel (441) is provided with a material guide hole 1 (441a) on the side wall close to the conical block (442); the sealing box (451) is provided with a material guide hole 2 (451a) matched therewith on the side close to the material guide hole 1 (441a); the funnel cover (453) is provided with a material guide hole 3 (453a) matched therewith on the side close to the material guide hole 2 (451a); the movable cover (452) is provided with a material discharge port (452a) on the side close to the side wall of the sealing box (451); and the material discharge port (452a) is fixedly connected with an inclined waterproof plate (456).

6. The device for preparing composite reinforced cement fiberboard according to claim 2, characterized in that: A movable groove is provided on a side of the reaction box (421) away from the water storage box (414), and a sliding opening communicating with the movable groove is provided on the inner wall thereof. A partition cover (423) is slidably installed in the movable groove. The bottom of the partition cover (423) is fitted with the bottom inner wall of the reaction box (421), and an elastic member (425) is fixedly connected to the top. The top of the elastic member (425) is fixedly connected to the movable groove, and a push plate (424) fixedly connected to the partition cover (423) is slidably connected to the sliding opening. A support plate (457) matched with the push plate (424) is fixedly connected to the outer wall of the movable cover (452), and a magnetic attraction member is arranged between the sealing box (451) and the movable cover (452).

7. The device for preparing composite reinforced cement fiber board according to claim 6, characterized in that: A guide groove (426) is provided on a side of the reaction box (421) away from the water storage box (414); an air inlet (427) and an air outlet (428) which are interconnected with the guide groove (426) are provided on the inner wall of the reaction box (421); the air inlet (427) and the air outlet (428) are respectively located on two sides of the partition cover (423); a material guide pad (422) is fixedly mounted on the inner wall of the bottom of the reaction box (421) below the sealing box (451); a side of the material guide pad (422) close to the partition cover (423) is lower than a side away from the partition cover (423).

8. The device for preparing composite reinforced cement fiber board according to claim 7, characterized in that: The siphon mechanism (43) comprises: A bellows (431), wherein the bellows (431) is detachably connected to the reaction box (421); one end of the bellows (431) away from the reaction box (421) is fixedly connected to a siphon tube 1 (433) via a curved tube 1 (432); one end of the siphon tube 1 (433) away from the curved tube 1 (432) passes through the bottom of the water storage box (414) and is fixedly connected to a siphon tube 2 (435) via a curved tube 2 (434); the siphon tube 2 (435) and the curved tube 2 (434) are located inside the water storage box (414).

9. The method for preparing a composite reinforced cement fiberboard according to claim 8, characterized in that: The following steps are involved: S1. Preparation of cement fiberboard; After the cement fiberboard is processed and formed, it is placed on a steaming rack (30), the door of the steaming furnace (10) is opened and the board is pushed into the steaming furnace, and the cement fiberboard is steamed and prepared at high temperature through a side steam pipe (20) and an upper steam pipe (40); S2, collecting condensed water; The steam transported by the tube body (413) forms condensed water after being cooled and adheres to the inner wall. Since the tube body (413) is arranged vertically, the condensed water slides into the interior of the water storage box (414) for collection. S3, discharge condensed water; When the condensed water in the water storage box (414) overflows the second curved pipe (434), a siphon effect is generated, and the condensed water is discharged into the interior of the reaction box (421); S4, heating condensed water; After the condensed water enters the interior of the reaction box (421), the buoyancy of the airbag (455) can push the movable cover (452) and the funnel cover (453) to rise, and the calcium oxide in the cavity formed by the sealing box (451), the movable cover (452) and the funnel cover (453) will slide into the condensed water through the discharge port (452a), so that it reacts with the condensed water to heat up; S5, insulation of pipe body (413); The reaction of calcium oxide and condensed water will generate 700 degrees Celsius, and the evaporated water vapor will enter the channel between the heat-insulating shell (411) and the tube body (413), thereby insulating the tube body (413) and causing the tube body (413) to heat up quickly, thereby preventing the inner wall from continuously generating condensed water; S6, calcium oxide filling; When the movable cover (452) drives the support plate (457) to rise, the push plate (424) will push the partition cover (423) to rise together. At this time, condensed water and calcium oxide will slide from the material guide pad (422) to above the air inlet (427). At this time, the water level will drop, and the movable cover (452) and the funnel cover (453) will drop together. When the material guide hole three (453a), the material guide hole two (451a) and the material guide hole one (441a) are located on the same axis, the elastic member two (445) will push the pressure plate (446) to squeeze the calcium oxide located inside the storage barrel (441) into the cavity formed by the sealing box (451), the movable cover (452) and the funnel cover (453).

10. The composite reinforced cement fiber board according to claim 9, characterized in that: The raw material ratio of cement fiber board is cement: 60-70%, fiber: 10-15%, mineral filler: 10-20%, water: 15-25%, and the width of the board reaches 1500-3000mm.

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