Steam curing mechanism for autoclaved aerated concrete slab

Abstract

The utility model discloses a steam curing mechanism for autoclaved aerated concrete slabs, which is connected with an autoclave body and used for autoclaving concrete slabs inside the autoclave body. The steam curing mechanism comprises two steam curing plates which are correspondingly mounted at the upper end and the lower end of the still kettle body in parallel and are used for steam convection steam curing in the still kettle body. The two corresponding steam-curing plates are arranged on the steam-curing mechanism, so that the two arc-shaped steam-curing plates are correspondingly mounted at the upper end and the lower end in the still kettle body in parallel, and the two steam-curing plates are connected with the steam box through the first branch pipe and the second branch pipe respectively, so that steam is output from the two steam-curing plates in a convection manner; convection type steam is formed in the autoclave, so that the steam comprehensively performs steam curing on the autoclaved aerated concrete slab, and the steam curing quality of the autoclaved aerated concrete slab is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of autoclaved aerated concrete production, in particular to a steam curing mechanism for autoclaved aerated concrete panels. Background Art

[0002] Autoclaved aerated concrete blocks are a type of porous concrete product made from fly ash, lime, cement, gypsum, slag, etc. as the main raw materials, with appropriate amounts of gas generating agents, regulators, and bubble stabilizers added. They are made through a process of batching, mixing, pouring, static stopping, cutting, and high-pressure steaming.

[0003] In an existing curing mechanism for autoclaved aerated concrete, a single steam pipe is provided at the bottom of the autoclave so that high-pressure steam inputted from the steam pipe cures the autoclaved aerated concrete slab. After the steam is output from the bottom, it cools down during its upward movement, causing uneven heating of the concrete slab and affecting the curing quality of the concrete slab. Furthermore, no insulation chamber is provided outside the autoclave, so the insulation chamber always maintains a high temperature during the curing process and a low temperature during cooling, thereby affecting the curing efficiency inside the autoclave. Utility Model Content

[0004] In view of the above defects or deficiencies in the prior art, it is desired to provide a steam curing mechanism for autoclaved aerated concrete panels to improve the technical problems of uneven heating and poor insulation during use, which affect the steam curing efficiency inside the autoclave.

[0005] According to the technical solution provided in the embodiment of the present application, a steam curing mechanism for autoclaved aerated concrete panels is provided, the steam curing mechanism being connected to an autoclave body and used for autoclaving the concrete panels inside the autoclave body; the steam curing mechanism comprising:

[0006] Two steam curing plates, which are installed in parallel and correspondingly at the upper and lower ends of the autoclave body, and are used for steam convection curing inside the autoclave body;

[0007] The heat preservation chamber is arranged outside the steaming chamber on the autoclave body, and a first liquid infusion pipe is provided at the bottom of the heat preservation chamber, the first liquid infusion pipe is connected to the steam box, and is used to input steam into the heat preservation chamber, and the top of the heat preservation chamber is connected to a first liquid discharge pipe, the first liquid discharge pipe is connected to the steam box, and is used to input the heat-insulated steam into the steam box for recovery.

[0008] Furthermore, the steam curing plate is an arc-shaped structural plate, and the interior of the steam curing plate is a cavity structure.

[0009] Furthermore, a plurality of steam holes are provided on the inner side of the steam curing plate for spraying out steam and cooling water.

[0010] Furthermore, a first branch pipe is connected to the top of the steaming plate located above, and a second branch pipe is connected to the bottom of the steaming plate located below. The first branch pipe and the second branch pipe are connected to a second liquid infusion pipe, and the second liquid infusion pipe is connected to the steam box, so that the steam in the steam box enters each of the steaming plates from the first branch pipe and the second branch pipe.

[0011] Furthermore, the first branch pipe and the second branch pipe are also connected to a third liquid infusion pipe, and the third liquid infusion pipe is connected to a cold water tank for cooling the interior of the autoclave body.

[0012] Furthermore, the first infusion tube is connected to a fourth infusion tube, and the fourth infusion tube is connected to the third infusion tube, so that the water in the cold water tank enters the insulation cavity through the fourth infusion tube.

[0013] Furthermore, a first valve and a second valve are installed on the first infusion tube and the first drainage tube, and the first valve and the second valve are used to control the closing and opening of the first infusion tube and the first drainage tube.

[0014] Furthermore, a third valve is installed on the second infusion tube, a fourth valve is installed on the third infusion tube, and a fifth valve is installed on the fourth infusion tube.

[0015] Furthermore, a waste liquid recovery pipe is provided at the bottom of the autoclave body, and a sixth valve is provided on the waste liquid recovery pipe for controlling the opening and closing of the waste liquid recovery pipe.

[0016] In summary, the beneficial effects of this application are:

[0017] First, by arranging two corresponding steaming curing plates on the steaming curing mechanism, the two arc-shaped steaming curing plates are arranged side by side and correspondingly installed at the upper and lower ends of the autoclave body, and the two steaming curing plates are respectively connected to the steam box through a first branch pipe and a second branch pipe, so that steam is output from the two steaming curing plates in a convection manner, forming convection steam in the autoclave, so that the steam fully cures the autoclaved aerated concrete board, thereby improving the curing quality of the autoclaved aerated concrete board;

[0018] Second, by setting an insulation chamber outside the autoclave, the bottom of the insulation chamber is connected to the steam box through a first liquid delivery pipe, and the top is connected to the steam box through a second liquid discharge pipe, so that steam circulates into the insulation chamber, thereby insulating the interior of the insulation chamber, so that the interior of the autoclave is always kept at a constant temperature during the autoclave process, thereby improving the steam curing quality of the autoclaved aerated concrete board. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0020] Figure 1 This is a front structural diagram of the utility model;

[0021] Figure 2 This is a rear view structural diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the autoclave of the utility model.

[0023] Reference numerals in the figure: steaming mechanism 100, steaming plate 110, steam hole 111, first branch pipe 112, second branch pipe 113, heat preservation chamber 120, first liquid infusion pipe 121, first liquid discharge pipe 122, steam box 130, second liquid infusion pipe 140, third liquid infusion pipe 150, fourth liquid infusion pipe 160, fifth liquid infusion pipe 170, cold water tank 180, waste liquid recovery pipe 190, autoclave body 200. DETAILED DESCRIPTION

[0024] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the relevant utility model and are not intended to limit the utility model. It should also be noted that, for ease of description, only the portions relevant to the utility model are shown in the accompanying drawings.

[0025] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] A steam curing mechanism for autoclaved aerated concrete panels. The steam curing mechanism 100 is connected to an autoclave body 200 and is used for steam curing the concrete panels inside the autoclave body 200.

[0027] The steam curing mechanism 100 includes: two steam curing plates 110, which are installed in parallel and correspondingly at the upper and lower ends of the autoclave body 200 to allow steam convection flow inside the autoclave body 200, thereby fully steam curing the concrete slab inside the autoclave body 200; an insulation chamber 120, which is arranged outside the autoclave chamber on the autoclave body 200, and a first liquid infusion pipe 121 is provided at the bottom of the insulation chamber 120. The first liquid infusion pipe 121 is connected to the steam box 130 to input high-temperature steam into the insulation chamber 120, thereby maintaining a constant temperature inside the autoclave, and a first liquid discharge pipe 122 is connected to the top of the insulation chamber 120. The first liquid discharge pipe 122 is connected to the steam box 130 for inputting the insulated steam into the steam box 130 for recovery, and the first liquid discharge pipe 122 is connected to a circulation pump to circulate the high-temperature steam into the insulation chamber 120.

[0028] When the curing mechanism 100 on the autoclave is curing the autoclaved aerated concrete slab, the concrete slab is moved to the curing chamber inside the autoclave body 200 by the curing trolley, the sealing cover on the autoclave body 200 is closed, and the valve on the steam box 130 is opened to allow steam to enter the steam box 130, and enter the annular heat preservation chamber 120 arranged inside and outside the autoclave from the first liquid delivery pipe 121 on the steam box 130, and enter the steam box 130 from the first liquid discharge pipe 122 connected to the top, so that the high-temperature steam circulates into the heat preservation chamber 120. 0, so that the interior of the autoclave is always maintained at a constant temperature, and two parallel and corresponding steam curing plates 110 installed inside the autoclave are connected to the steam box 130 through the first branch pipe 112 and the second branch pipe 113, so that steam is ejected from the bottom and the top of the autoclave, thereby forming convection steam inside the autoclave, so that the steam can fully steam-cure the concrete slab, and prevent the steam ejected from the bottom from cooling down during the rising process, which would cause temperature differences in the concrete slab during steaming and cause quality problems such as cracking, thereby improving the curing quality of the autoclaved aerated concrete slab.

[0029] As a preferred embodiment, please refer to Figure 3 The steaming plate 110 is an arc-shaped structural plate, and the interior of the steaming plate 110 is a cavity structure. At the same time, a plurality of steam holes 111 are provided on the inner side of the steaming plate 110 for spraying steam and cooling water.

[0030] As a preferred embodiment, please refer to Figure 1 and Figure 2A first branch pipe 112 is connected to the top of the upper steaming plate 110, and a second branch pipe 113 is connected to the bottom of the lower steaming plate 110. The connection between the first branch pipe 112 and the second branch pipe 113 is connected to the second liquid infusion pipe 140, and the second liquid infusion pipe 140 is connected to the steam box 130, so that the steam in the steam box 130 is transferred from the second liquid infusion pipe 140 to the first branch pipe 112 and the second branch pipe 113, thereby allowing high-temperature steam to enter each steaming plate 110 from the first branch pipe 112 and the second branch pipe 113.

[0031] As a preferred embodiment, please refer to Figure 1 and Figure 2 The connection between the first branch pipe 112 and the second branch pipe 113 is also connected to the third liquid infusion pipe 150, and the third liquid infusion pipe 150 is connected to the cold water tank 180, so that the cooling water in the cold water tank 180 is input into the first branch pipe 112 and the second branch pipe 113 through the third liquid infusion pipe 150, so that the cooling water is sprayed from each steam-cured plate 110, thereby cooling the concrete plate after steam curing inside the autoclave body.

[0032] As a preferred embodiment, please refer to Figure 1 and Figure 2 The first infusion tube 121 is also connected to a fourth infusion tube 160, and the fourth infusion tube 160 is connected to the third infusion tube 150, so that the water in the cold water tank 180 enters the insulation chamber 120 from the fourth infusion tube 160, and the first drain pipe 122 installed at the bottom of the insulation chamber 120 is connected to a fifth infusion tube 170, and the fifth infusion tube 170 is connected to the cold water tank 180, which is used to cool the water after heat exchange, so that the flowing cooling water flows through the insulation chamber 120, thereby cooling the inside of the autoclave.

[0033] As a preferred embodiment, please refer to Figure 1 and Figure 2 A first valve and a second valve are also installed on the first liquid infusion pipe 121 and the first liquid discharge pipe 122. The first valve and the second valve are used to control the closing and opening of the entry and discharge of high-temperature steam on the first liquid infusion pipe 121 and the first liquid discharge pipe 122.

[0034] As a preferred embodiment, please refer to Figure 1 and Figure 2 A third valve is installed on the second infusion tube 140 , a fourth valve is installed on the third infusion tube 150 , and a fifth valve is installed on the fourth infusion tube 160 .

[0035] As a preferred embodiment, please refer to Figure 1 and Figure 2 A waste liquid recovery pipe 190 is also provided at the bottom of the autoclave body. A sixth valve is provided on the waste liquid recovery pipe 190 for controlling the opening and closing of the waste liquid recovery pipe 190.

[0036] The working principle of the steam curing mechanism for autoclaved aerated concrete panels in the utility model is as follows:

[0037] When the steam curing mechanism 100 on the autoclave is steam curing the autoclaved aerated concrete slab, the concrete slab is moved to the steam curing chamber inside the autoclave body 200 by the steam curing trolley, the sealing cover on the autoclave body 200 is closed, and the valve on the steam box 130 is opened to allow steam to enter the steam box 130, and enter the annular heat preservation chamber 120 arranged inside and outside the autoclave from the first liquid infusion pipe 121 on the steam box 130, and enter the steam box 130 from the first liquid discharge pipe 122 connected to the top, so that high-temperature steam circulates into the heat preservation chamber 120, so that the interior of the autoclave is always maintained at a constant temperature, and two parallel and corresponding steam curing plates 110 installed inside the autoclave are connected to the steam box 130 through the first branch pipe 112 and the second branch pipe 113, so that steam is ejected from the bottom and top of the autoclave, thereby forming convection steam inside the autoclave, so that the steam fully steam cures the concrete slab, preventing The steam ejected from the bottom is prevented from cooling down during the rising process, which would cause temperature differences in the concrete slab during autoclaving and result in quality problems such as cracking, thereby improving the curing quality of the autoclaved aerated concrete slab. At the same time, the connection between the first branch pipe 112 and the second branch pipe 113 is connected to the third liquid infusion pipe 150, and the third liquid infusion pipe 150 is connected to the cold water tank 180. After the curing is completed, the water in the cold water tank 180 is input into each curing slab 110 through the third liquid infusion pipe 150 and sprayed out from the curing holes on each curing slab 110, thereby spraying and cooling the cured concrete slab. The first liquid infusion pipe 121 connected to the heat preservation chamber 120 is connected to the cold water tank 180 through the fourth liquid infusion pipe 160. The cooling water output from the cold water tank 180 is input into the heat preservation chamber 120 and discharged from the first liquid discharge pipe 122. The cooling water is circulated to cool the autoclave, thereby improving the curing quality of the autoclaved aerated concrete slab by the curing mechanism 100.

[0038] The beneficial effects of the steam curing mechanism for autoclaved aerated concrete panels of the utility model are:

[0039] First, by providing two corresponding steaming plates 110 on the steaming curing mechanism 100, the two arc-shaped steaming plates 110 are arranged side by side and correspondingly installed at the upper and lower ends of the autoclave body 200, and the two steaming curing plates 110 are respectively connected to the steam box 130 through the first branch pipe 112 and the second branch pipe 113, so that steam is output from the two steaming curing plates 110 in a convection manner, forming convection steam in the autoclave, so that the steam fully steam cures the autoclaved aerated concrete board, thereby improving the curing quality of the autoclaved aerated concrete board;

[0040] Second, by setting a heat preservation chamber 120 outside the autoclave, the bottom of the heat preservation chamber 120 is connected to the steam box 130 through the first liquid delivery pipe 121, and the top is connected to the steam box 130 through the second liquid discharge pipe, so that steam circulates into the heat preservation chamber 120, thereby insulating the interior of the heat preservation chamber 120, so that the temperature inside the autoclave is always maintained at a constant state during the autoclaving process, thereby improving the steam curing quality of the autoclaved aerated concrete board.

[0041] The above description is merely an illustration of the preferred embodiments of this application and the technical principles employed. Furthermore, the scope of the utility model disclosed in this application is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features. It also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the concept of the utility model. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A steam curing mechanism for autoclaved aerated concrete panels, wherein the steam curing mechanism (100) is connected to an autoclave body (200) and is used for autoclaving a concrete panel inside the autoclave body (200), and is characterized by: The steaming mechanism (100) comprises: Two steam curing plates (110) are installed in parallel and correspondingly at the upper and lower ends of the autoclave body (200) and are used for steam convection curing inside the autoclave body (200); A heat preservation chamber (120) is provided outside the steam curing chamber on the autoclave body (200), and a first liquid infusion pipe (121) is provided at the bottom of the heat preservation chamber (120), the first liquid infusion pipe (121) is connected to the steam box (130) and is used to input steam into the heat preservation chamber (120), and a first liquid discharge pipe (122) is connected to the top of the heat preservation chamber (120), the first liquid discharge pipe (122) is connected to the steam box (130) and is used to input the heat-insulated steam into the steam box (130) for recovery.

2. The steam curing mechanism for autoclaved aerated concrete panels according to claim 1, wherein: The steaming plate (110) is an arc-shaped structural plate, and the interior of the steaming plate (110) is a cavity structure.

3. The steam curing mechanism for autoclaved aerated concrete panels according to claim 1, wherein: The inner side of the steam curing plate (110) is also provided with a plurality of steam holes (111) for spraying out steam and cooling water.

4. The steam curing mechanism for autoclaved aerated concrete panels according to claim 1, wherein: The top of the steaming plate (110) located above is connected to a first branch pipe (112), and the bottom of the steaming plate (110) located below is connected to a second branch pipe (113). The first branch pipe (112) and the second branch pipe (113) are connected to a second liquid delivery pipe (140), and the second liquid delivery pipe (140) is connected to the steam box (130), so that the steam in the steam box (130) enters each of the steaming plates (110) through the first branch pipe (112) and the second branch pipe (113).

5. The steam curing mechanism for autoclaved aerated concrete panels according to claim 4, characterized in that: The first branch pipe (112) and the second branch pipe (113) are also connected to a third liquid infusion pipe (150). The third liquid infusion pipe (150) is connected to a cold water tank (180) for cooling the interior of the autoclave body (200).

6. The steam curing mechanism for autoclaved aerated concrete panels according to claim 5, characterized in that: The first infusion tube (121) is also connected to a fourth infusion tube (160), and the fourth infusion tube (160) is connected to the third infusion tube (150), so that the water in the cold water tank (180) enters the heat preservation chamber (120) through the fourth infusion tube (160).

7. The steam curing mechanism for autoclaved aerated concrete panels according to claim 1, wherein: A first valve and a second valve are also installed on the first infusion tube (121) and the first drainage tube (122), and the first valve and the second valve are used to control the closing and opening of the first infusion tube (121) and the first drainage tube (122).

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