Aerated concrete plate and manufacturing method thereof

Abstract

The invention belongs to the technical field of building materials, and particularly relates to an aerated concrete plate manufacturing method which comprises a main body and a steel wire mesh, the steel wire mesh is arranged in the main body, the main body is provided with an upper groove, a lower groove and a sliding groove, the upper groove and the lower groove are symmetrically arranged, the upper groove and the lower groove are communicated through the sliding groove, and the steel wire mesh is arranged in the main body. The device further comprises an extraction mechanism, the extraction mechanism comprises a handle, a connecting rod and a push plate, the handle is matched with the upper groove, the push plate is matched with the lower groove, the handle is fixedly connected with the push plate through the connecting rod, and the connecting rod is in sliding connection with the sliding groove. According to the scheme, the problems that concrete slabs are inconvenient to take and are troublesome to carry by workers are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of building materials, and in particular relates to an aerated concrete plate and a manufacturing method thereof. Background Art

[0002] Concrete, referred to as "concrete", is a general term for engineering composite materials that are cemented into a whole by cementitious materials. The term concrete usually refers to cement concrete obtained by mixing cement as a cementitious material, sand and stone as aggregates, and water in a certain proportion. It is also called ordinary concrete and is widely used in civil engineering. Aerated concrete is a lightweight porous silicate product made of siliceous materials and calcium materials as the main raw materials, mixed with gas-generating agents, and made through batching, mixing, pouring, pre-curing, cutting, autoclaving, curing and other processes. Because it contains a large number of uniform and fine pores after gasification, it is called aerated concrete. Characteristics of aerated concrete Aerated concrete is one of the earliest and most widely used lightweight wall materials in my country because it has the advantages of light bulk density, high thermal insulation performance, good sound absorption effect, certain strength and processability.

[0003] At present, an aerated concrete board and its manufacturing method with announcement number CN112225514A on the market include the following components: 56-70 parts of cement, 15-25 parts of lime, 9-19 parts of fly ash, 95-125 parts of crushed stone, 13-21 parts of sand, 42-61 parts of shell powder, 2-5 parts of gas generating agent, 3-7 parts of water reducing agent, 0.5-3 parts of foam stabilizer, and 55-75 parts of water. The present invention uses shell powder to replace part of lime and cement, saving the amount of lime and cement and saving costs. The calcium element in the shell powder forms stearic acid precipitation with the added sodium stearate, so that a protective film is easily formed on the surface after the concrete is solidified, which helps to prevent the concrete from cracking. At the same time, in order to facilitate cutting of the concrete board, the scheme also specially makes a mesh cage, and the special cutting mold and cutting rope on the mesh cage can be used to cut the embryo body once in advance, and then the embryo body is cut twice to prevent the damage of the embryo body protective layer and reduce the defective rate.

[0004] However, there are some problems: 1. The concrete slabs are not easy to handle, and it is troublesome for workers to carry them. Moreover, the outer surface is easily damaged when they are handled. 2. When the concrete slabs are used to build walls, gaps will be created between them due to the deformation of the materials. 3. When the concrete slabs are stacked, they are easy to collide with each other, causing damage. Summary of the invention

[0005] The invention provides an aerated concrete plate, which is used to solve the problem that the concrete plate is inconvenient to take and troublesome for workers to carry.

[0006] The present solution provides an aerated concrete plate, comprising a main body and a steel wire mesh, wherein the steel wire mesh is arranged inside the main body, the main body is provided with an upper groove, a lower groove and a slide groove, the upper groove and the lower groove are symmetrically arranged, the upper groove is connected to the lower groove through the slide groove, and also comprises an extraction mechanism, the extraction mechanism comprises a handle, a connecting rod and a push plate, the handle cooperates with the upper groove, the push plate cooperates with the lower groove, the handle is fixedly connected to the push plate through a connecting rod, and the connecting rod is slidably connected to the slide groove.

[0007] The principle of this solution is that a hidden handle is added. When it is not needed, the handle will shrink into the upper groove under the action of gravity. When the operator needs to move it, the operator needs to take the handle out of the upper groove by working, and then the operator can grab the handle to move it, and the push plate will enter the lower groove to play a limiting role.

[0008] The beneficial effects of this solution are: 1. By adding a handle, this solution makes it easier for workers to carry the device. 2. In this solution, the operator uses the handle to pick up the main body, so that the operator does not touch the outer surface of the main body, thereby ensuring that the outer surface is intact.

[0009] Furthermore, it also includes an air bag and a mounting brick for installation, wherein the air bag is provided with sealing liquid, the air bag is fixedly connected to the main body, the air bag cooperates with the push plate, and the mounting brick cooperates with the push plate. The mounting brick is taken out only when installation is required and is placed at the bottom of the first aerated concrete slab, below the air bag and the push plate.

[0010] When the aerated concrete slab is placed on the ground, the airbag will enter the lower groove due to the compression with the ground, and at the same time, the push plate will move up, which will cause the connecting rod to move up, which will cause the handle to move up and out of the upper groove, making it easier to operate and carry.

[0011] When palletizing is required, the operator can directly palletize multiple aerated concrete panels. The handle will push the airbag up. Since the handle has not reached the maximum stroke, the airbag will not be broken. This solution has three strokes. One is when it is naturally suspended in the air, the handle is in the upper groove. The second is placed on the flat ground and stacked on the flat aerated concrete panels. At this time, the handle will move up to the first stroke. The first stroke will squeeze the airbag into the lower groove, but it will not squeeze the airbag. The third is to add installation bricks at the bottom. The installation bricks will push the handle to the maximum stroke. At this time, the airbag will be subjected to huge pressure, forcing the airbag to break.

[0012] When installation is required, the operator places an installation brick at the place where installation is required. At this time, the operator places the first aerated concrete plate on it. The installation brick will push the airbag and the push plate to the maximum process, and the airbag space will be rapidly compressed, causing the airbag to break, and the internal sealing liquid will flow out to fill the lower groove to prevent the appearance of voids, while enhancing the strength of the connection. When the operator puts down the second aerated concrete plate, the handle will push the airbag and the push plate to the top of the lower groove. Since the handle reaches the maximum stroke, the handle will push the airbag and the push plate to the maximum process, and the airbag space will be rapidly compressed, causing the airbag to break, and the internal sealing liquid will flow out to fill the space between the second aerated concrete plate and the first aerated concrete plate, thereby enhancing the connection strength between the plates. The sealing liquid of this mechanism can fill the internal voids, and even if the operator damages the handle when taking the main body, it will be filled by the sealing liquid. At the same time, when the main body is stacked, due to the presence of the airbag, the main body is not easy to collide and damage.

[0013] Furthermore, it also includes a puncturing rod, which is fixedly connected to the lower groove, and the handle, the mounting brick and the push plate are provided with filter holes, and the puncturing rod cooperates with the filter holes. Since the airbag will often be squeezed and will not be damaged, it will only be damaged when the pressure is large enough. This causes the airbag material to be thicker and not easy to be damaged. This may result in the airbag not being squeezed and damaged even if the handle reaches the maximum stroke. In this solution, when two aerated concrete panels are installed and stacked, the handle reaches the maximum stroke and pushes the airbag and the push plate to the highest point. At this time, the puncturing rod will pass through the filter hole and puncture the airbag located in the middle. If the aerated concrete panel is placed normally on the ground, the displacement of the handle is not enough to allow the puncturing rod to poke the airbag. This mechanism prevents the problem of the airbag not breaking during installation.

[0014] Furthermore, the puncture rod and the filter hole are provided in plurality, and the following grooves are arranged in a rectangular shape. The plurality of puncture rods and the filter hole will make it easier for the puncture rod to puncture the airbag.

[0015] Furthermore, the sealing liquid is a silicone sealant, which is a permeable type and can provide good waterproof and antifouling properties without changing the natural appearance of concrete, and is particularly suitable for occasions where the original texture of concrete needs to be maintained.

[0016] The present invention also provides a method for manufacturing an aerated concrete plate, comprising the following steps: Step S10: crushing the lime and cement by a crusher, crushing and grinding to a set fineness; Step S20: pouring the slurry into the molds of the main body, handle, connecting rod and push plate, and then adding the gas generating agent and stirring; Step S30: After the pouring is completed, the slurry is left to stand in the mold for a set time to allow an initial chemical reaction to occur, generate bubbles and solidify the slurry, thereby obtaining a main body, a handle, a connecting rod and a push plate; Step S40: Tie and fix the handle to the connecting rod reinforcement, then put the handle into the upper groove, insert the connecting rod into the slide groove, tie and fix the push plate to the reinforcement at the other end of the connecting rod, and place the push plate into the lower groove; Step S50: Move the main body, handle, connecting rod and push plate into the autoclave and perform curing with high-temperature and high-pressure steam. This process promotes further solidification of the concrete, while making the pore structure more stable and enhancing the overall performance of the board; Step S60: After the autoclave curing is completed, the plate is taken out from the autoclave, placed in a designated area for natural cooling, and quality inspection is performed; Step S70: fix the airbag filled with sealing liquid at the bottom of the main body, and the airbag covers the push plate to obtain a finished product. The aerated concrete board processed by this method has higher strength.

[0017] Furthermore, the gas generating agent in step 20 is aluminum powder. Aluminum powder is a physical gas generating agent, which is relatively safe to store and use. As long as it is stored in dry conditions and avoids direct contact with strong acids and strong bases, it will not react spontaneously. At the same time, aluminum powder is evenly distributed in concrete, which can ensure a stable gas generation process and good product performance consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a diagram of the state of a single aerated concrete slab when placed on the ground. Figure 2 This is the state diagram of a single aerated concrete plate when suspended in the air. Figure 3 This is a diagram of the status of multiple aerated concrete slabs during installation.

[0019] The figure numbers in the specification include: 1. main body; 2. upper groove; 3. handle; 4. connecting rod; 5. push plate; 6. airbag; 7. puncture rod; 8. slide groove; 9. lower groove; 10. installation brick. DETAILED DESCRIPTION

[0020] Basically as attached Figure 1 As shown: The present invention provides an aerated concrete plate, comprising a main body 1, a steel wire mesh, an extraction mechanism, an air bag 6, a mounting brick 10 and a puncturing rod 7, wherein the steel wire mesh is arranged inside the main body 1, and the main body 1 is provided with an upper groove 2, a lower groove 9 and a slide groove 8, wherein the upper groove 2 and the lower groove 9 are symmetrically arranged, and the upper groove 2 is connected with the lower groove 9 through the slide groove 8, and further comprises an extraction mechanism, wherein the extraction mechanism comprises a handle 3, a connecting rod 4 and a push plate 5, wherein the handle 3 is of the same size as the upper groove 2, and the handle 3 is slidably connected with the upper groove 2 so that when the handle 3 is retracted into the upper groove 2, the upper groove 2 can be just filled with the push plate 5, the push plate 5 is of the same size as the lower groove 9, and the push plate 5 is slidably connected with the lower groove 9, and the width of the push plate 5 is less than the depth of the lower groove 9, the handle 3 is fixedly connected with the push plate 5 through the connecting rod 4, and the connecting rod 4 is slidably connected with the slide groove 8.

[0021] As attached Figure 1 , Figure 3 As shown: The airbag 6 is provided with sealing liquid, the airbag 6 is fixedly connected to the main body 1, the airbag 6 is fixed below the main body 1, and the airbag 6 covers the lower groove 9, the puncture rod 7 is fixedly connected to the lower groove 9, the handle 3, the installation brick 10 and the push plate 5 are provided with filter holes, the puncture rod 7 and the filter holes are provided with multiple, and the lower groove 9 is arranged in a rectangular shape, and the multiple puncture rods 7 and the filter holes make it easier for the puncture rod 7 to puncture the airbag 6. The puncture rod 7 is directly smaller than the filter hole, and the puncture rod 7 is coaxially arranged with the filter hole. The installation brick 10 is the same size as the push plate 5. When the installation brick 10 is placed at the bottom of the aerated concrete plate, the airbag 6 and the forehead push plate 5 will be pushed into the lower groove 9, and the maximum stroke can be reached, so that the puncture rod 7 can penetrate the filter hole and puncture the airbag 6. The installation brick 10 will only be taken out when it needs to be installed, and placed at the bottom of the first aerated concrete plate, below the airbag 6 and the push plate 5. The sealing liquid uses a silicone sealant. Silicone resin sealant is a penetrating type that can provide good waterproof and anti-fouling properties without changing the natural appearance of concrete. It is particularly suitable for occasions where the original texture of concrete needs to be maintained.

[0022] As attached Figure 1 , Figure 2 , Figure 3 As shown: The principle of this solution is that a hidden handle 3 is added. When it is not needed, the handle 3 will shrink into the upper groove 2 under the action of gravity. When the aerated concrete board is placed on the ground, the airbag 6 will enter the lower groove 9 due to the compression with the ground, and at the same time, the push plate 5 will move up. The upward movement of the push plate 5 will move the connecting rod 4 up, and the upward movement of the connecting rod 4 will move the handle 3 up, and the handle 3 will move out of the upper groove 2, which is convenient for operation and transportation.

[0023] When palletizing is required, the operator can directly palletize multiple aerated concrete panels, and the handle 3 will push the airbag 6 upward. Since the handle 3 has not reached the maximum stroke, the airbag 6 will not be broken.

[0024] When installation is required, the operator places a mounting brick 10 at the place where installation is required. At this time, the operator places the first aerated concrete board on it. The mounting brick 10 will push the airbag 6 and the push plate 5 to the maximum stroke, and the airbag 6 space will be rapidly compressed, causing the airbag 6 to break, and the internal sealing liquid will flow out to fill the lower groove 9 to prevent the appearance of voids, while enhancing the strength of the connection. When the operator puts down the second aerated concrete board, the handle 3 will push the airbag 6 and the push plate 5 to the top of the lower groove 9. Since the handle 3 reaches the maximum stroke, the handle 3 will push the airbag 6 and the push plate 5 to the maximum stroke. At this time, the piercing rod 7 will pass through the filter hole and pierce the airbag 6 located in the middle. The internal sealing liquid flows out to fill the space between the second aerated concrete board and the first aerated concrete board, enhancing the connection strength between the boards. If the aerated concrete board is placed normally on the ground, the displacement of the handle 3 is not enough to allow the piercing rod 7 to poke the airbag 6.

[0025] The beneficial effects of this solution are as follows: 1. By adding a handle 3, this solution makes it easier for workers to carry the aerated concrete panels, and the handle 3 does not affect the installation of the aerated concrete panels. 2. During transportation, the aerated concrete panels often shake, causing the stacked aerated concrete panels to fall. When the aerated concrete panels of this solution are stacked, the handle 3 will be stuck in the lower groove 9 of the upper aerated concrete panel, making it difficult for the stacked aerated concrete panels to shake and fall. 3. The handle 3 will also break the airbag 6 during installation, causing the sealing liquid in the airbag 6 to flow out, thereby enhancing the connection strength between the panels. 4. The puncture rod 7 can effectively assist the handle 3 in breaking the airbag 6.

[0026] The present invention also provides a method for manufacturing an aerated concrete plate, comprising the following steps: Step S10: crushing the lime and cement by a crusher for 5 minutes, crushing and grinding to 0.04-0.06 mm; Step S20: pour the slurry into the mold of the main body 1, the handle 3, the connecting rod 4 and the push plate 5 at a pouring temperature of 40 degrees, then put the steel wire mesh into the mold of the main body 1, add the gas generating agent metal aluminum powder, and stir; Step S30: After the pouring is completed, the slurry is left to stand in the mold for one hour to allow an initial chemical reaction to occur, generate bubbles and solidify the slurry, thereby obtaining the main body 1, the handle 3, the connecting rod 4 and the push plate 5; Step S40: Tie the handle 3 and the connecting rod 4 together with steel bars, then put the handle 3 into the upper groove 2, insert the connecting rod 4 into the slide groove 8, tie the push plate 5 and the other end of the connecting rod 4 together with steel bars, and place the push plate 5 into the lower groove 9; Step S50: Move the main body 1, handle 3, connecting rod 4 and push plate 5 into the autoclave and perform curing with high-temperature and high-pressure steam for 5 hours. This process promotes further solidification of the concrete, while making the pore structure more stable and enhancing the overall performance of the board; Step S60: After the autoclave curing is completed, the plate is taken out from the autoclave, placed in a designated area for natural cooling, and quality inspection is performed; Step S70: fix the airbag 6 filled with sealing liquid on the bottom of the main body 1, and the airbag 6 covers the push plate 5, to obtain a finished product. The aerated concrete board processed by this method has higher strength.

[0027] Example 2 The airbag 6 is fixed on the push plate 5, and the upper surface of the main body 1 is provided with scales, and the rest is consistent with the first embodiment.

[0028] The airbag 6 is fixed on the push plate 5 to prevent the airbag 6 from being crushed when the aerated concrete panels are stacked or placed on the ground. However, when the operator lifts the handle 3, the airbag 6 will be moved upward, causing the airbag 6 to be punctured by the puncturing rod 7. However, in this solution, the handle 3 can be rotated before lifting so that the handle 3 is not aligned with the scale, so that the puncturing rod 7 is staggered with the filter hole, so that when the operator lifts the handle 3, the airbag 6 will not be punctured by the puncturing rod 7. When installation is required, the handle 3 is rotated to the scale to allow the puncturing rod 7 to pass through the filter hole.

[0029] The above is only an embodiment of the present invention, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An aerated concrete board, comprising a main body (1) and a steel wire mesh, wherein the steel wire mesh is arranged inside the main body (1). It is characterized in that The main body (1) is provided with an upper groove (2), a lower groove (9) and a slide groove (8), wherein the upper groove (2) and the lower groove (9) are symmetrically arranged, and the upper groove (2) and the lower groove (9) are connected via the slide groove (8). The main body (1) also includes an extraction mechanism, wherein the extraction mechanism includes a handle (3), a connecting rod (4) and a push plate (5), wherein the handle (3) cooperates with the upper groove (2), and the push plate (5) cooperates with the lower groove (9), and the handle (3) and the push plate (5) are fixedly connected via the connecting rod (4), and the connecting rod (4) is slidably connected with the slide groove (8).

2. An aerated concrete board according to claim 1, It is characterized in that It also includes an airbag (6) and a mounting brick (10) for placement during installation, wherein a sealing liquid is provided in the airbag (6), the airbag (6) is fixedly connected to the main body (1), the airbag (6) cooperates with the push plate (5), and the mounting brick (10) cooperates with the push plate (5).

3. An aerated concrete board according to claim 2, It is characterized in that It also comprises a piercing rod (7), the piercing rod (7) being fixedly connected to the lower groove (9), the handle (3), the mounting brick (10) and the push plate (5) being provided with filter holes, the piercing rod (7) being matched with the filter holes.

4. An aerated concrete board according to claim 3, It is characterized in that The puncturing rod (7) and the filter holes are provided in plurality, and the following grooves (9) are arranged in a rectangular shape.

5. The aerated concrete board according to claim 2, It is characterized in that The sealing liquid adopts silicone resin sealant.

6. A method for producing an aerated concrete board, It is characterized in that The following steps are involved: Step S10: crushing lime and cement by a crusher, crushing and grinding to a set fineness to obtain slurry; Step S20: pouring the slurry into the molds of the main body (1), the handle (3), the connecting rod (4) and the push plate (5), then adding the gas generating agent and stirring; Step S30: After the tampering is completed, the slurry is left to stand in the mold for a set time to allow an initial chemical reaction to occur, generate bubbles and solidify the slurry, thereby obtaining a main body (1), a handle (3), a connecting rod (4) and a push plate (5); Step S40: Tie and fix the handle (3) and the connecting rod (4) with steel bars, then place the handle (3) into the upper groove (2), insert the connecting rod (4) into the slide groove (8), tie and fix the push plate (5) with steel bars at the other end of the connecting rod (4), and place the push plate (5) into the lower groove (9); Step S50: moving the main body (1), the handle (3), the connecting rod (4) and the push plate (5) into an autoclave and curing them with high-temperature and high-pressure steam, which process promotes further solidification of the concrete; Step S60: After the autoclave curing is completed, the plate is taken out from the autoclave, placed in a designated area for natural cooling, and quality inspection is performed; Step S70: fix the airbag (6) filled with sealing liquid to the bottom of the main body (1), and the airbag (6) covers the push plate (5), to obtain a finished product.

7. A method for manufacturing an aerated concrete board according to claim 6, It is characterized in that The gas generating agent in step 20 is aluminum powder.

Images