CN115745479A - Water permeable brick produced by manganese slag and preparation method thereof - Google Patents
Water permeable brick produced by manganese slag and preparation method thereof Download PDFInfo
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- CN115745479A CN115745479A CN202211328707.6A CN202211328707A CN115745479A CN 115745479 A CN115745479 A CN 115745479A CN 202211328707 A CN202211328707 A CN 202211328707A CN 115745479 A CN115745479 A CN 115745479A
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Abstract
The application discloses a water permeable brick produced by manganese slag and a preparation method thereof, the water permeable brick comprises a base layer and a surface layer, the thickness of the surface layer is 2-5 mm, the thickness of the base layer is 5-12 cm, the width of the base layer and the surface layer is 8-12 cm, and the length is 16-22 cm; the base layer comprises the following raw materials in parts by weight: 6-10 parts of water, 19-25 parts of a cementing material and 65-73 parts of limestone; the surface layer comprises the following raw materials in parts by weight: 8-12 parts of water, 36-43 parts of cementing material and 47-56 parts of manganese slag. The method comprises the following steps: sieving limestone and manganese slag, preparing a base layer and a surface layer and stirring; placing the base layer and the surface layer in a mold for molding, applying a pressure of 2-3 MPa to the base layer and the surface layer in the mold, and then placing the mold into a constant temperature and humidity curing box; and then maintaining at constant temperature and humidity to obtain the water permeable brick. The application has solved the brick that permeates water among the prior art and has had the batching complicacy and not durable problem.
Description
Technical Field
The application belongs to the technical field of water permeable bricks, and particularly relates to a water permeable brick produced by manganese slag and a preparation method thereof.
Background
Along with the continuous acceleration of the urban construction process, in large and medium-sized cities, the concrete hardened pavement is an indispensable ring in urban construction, the watertight area of partial urban areas in China is as high as 70% -90%, and the urban ecological environment problem is serious while the urban areas are beautified. Therefore, the water permeable brick with good water permeability is gradually popularized and applied.
The permeable brick belongs to a green environment-friendly novel building material, the raw materials mostly adopt environment-friendly materials such as cement, sand, slag, fly ash and the like as main materials, and the whole brick is formed by one-time compression, so that a homogeneous brick with uniform upper and lower parts and non-layering is formed. The surface of the water permeable brick has no cracking and delaminating phenomena; the wear resistance is good, and the wear-resistant rubber is suitable for higher load-bearing use environments; good water permeability and strong anti-skid function; the color is natural and lasting. The water permeable brick has the advantages of simple and convenient production process, low cost and the like, but the existing water permeable brick has the defects of complex ingredients, lower strength, no wear resistance, poor freeze-thaw resistance and no durability.
Disclosure of Invention
The embodiment of the application solves the problems of complex ingredients and poor durability of the water permeable brick in the prior art by providing the water permeable brick produced by adopting the manganese slag and the preparation method thereof.
In order to achieve the purpose, the embodiment of the invention provides a water permeable brick produced by manganese slag, which comprises a base layer and a surface layer, wherein the surface layer is arranged above the base layer;
the thickness of the surface layer is 2-5 mm, the thickness of the base layer is 5-12 cm, the width of the base layer and the surface layer is 8-12 cm, and the length of the base layer and the surface layer is 16-22 cm;
the base layer comprises the following raw materials in parts by weight: 6-10 parts of water, 19-25 parts of a cementing material and 65-73 parts of limestone;
the surface layer comprises the following raw materials in parts by weight: 8-12 parts of water, 36-43 parts of cementing material and 47-56 parts of manganese slag.
In one possible implementation, the cementitious material is cement.
In one possible implementation manner, the base layer comprises the following raw materials in parts by weight: 8 parts of water, 24 parts of a cementing material and 68 parts of limestone;
the surface layer comprises the following raw materials in parts by weight: 12 parts of water, 39 parts of cementing materials and 49 parts of manganese slag.
In one possible implementation, the thickness of the surface layer is 3mm, and the thickness of the base layer is 7cm; the width of the base layer and the surface layer is 10cm, and the length of the base layer and the surface layer is 20cm.
The embodiment of the invention also provides a preparation method of the water permeable brick produced by adopting the manganese slag, which comprises the following steps:
washing limestone with water, and sieving, wherein the particle size of the sieved limestone powder is less than or equal to 3mm;
sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm;
preparing a base layer from the following raw materials in parts by weight: 6-10 parts of water, 19-25 parts of cementing material and 65-73 parts of limestone, and fully stirring;
preparing a surface layer from the following raw materials in parts by weight: 8-12 parts of water, 36-43 parts of cementing material and 47-56 parts of manganese slag, and fully stirring;
then sequentially placing the base layer and the surface layer in a mold for molding, wherein the thickness of the surface layer is 2-5 mm, and the thickness of the base layer is 5-12 cm; the width of the base layer and the surface layer is 8-12 cm, and the length of the base layer and the surface layer is 16-22 cm;
pressing the base layer and the surface layer in the mold under the pressure of 2-3 MPa, and placing the mold into a constant temperature and humidity curing box;
and (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
the embodiment of the invention provides a water permeable brick produced by manganese slag and a preparation method thereof, wherein water, a cementing material and limestone of the water permeable brick are cemented together to form a base layer, the water, the cementing material and the manganese slag are cemented together to form a surface layer, and the surface layer and the base layer are cemented together through the cementing material in the surface layer and the base layer, so that the water permeable brick forms an integral structure and has certain bearing strength. The finished product of the water permeable brick is wear-resistant, durable and good in freeze-thaw resistance, so that the water permeable requirement of the pavement can be met. The preparation method provided by the invention can be used for well recycling the waste manganese slag, is simple in treatment process, does not need processing links such as crushing and grinding, adopts a normal-temperature maintenance mode, is simple in construction and is low in cost. The invention solves the problems of complex ingredients and poor durability of the water permeable brick in the prior art.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships only for the convenience of description of the embodiments of the present invention and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention may be understood by those of ordinary skill in the art according to specific situations.
The permeable brick produced by adopting the manganese slag provided by the embodiment of the invention comprises a base layer and a surface layer, wherein the surface layer is arranged above the base layer. The thickness of the surface layer is 2-5 mm, the thickness of the base layer is 5-12 cm, the width of the base layer and the surface layer is 8-12 cm, and the length of the base layer and the surface layer is 16-22 cm. The base layer comprises the following raw materials in parts by weight: 6-10 parts of water, 19-25 parts of a cementing material and 65-73 parts of limestone. The surface layer comprises the following raw materials in parts by weight: 8-12 parts of water, 36-43 parts of cementing material and 47-56 parts of manganese slag.
It should be noted that water, cementing materials and limestone are cemented together to form a base layer, water, cementing materials and manganese slag are cemented together to form a surface layer, and the surface layer and the base layer are cemented together through the cementing materials in the surface layer and the base layer, so that the water permeable brick forms an integral structure and has certain bearing strength, has better water permeability compared with the common brick, and has the characteristics of simple components and low cost compared with the existing water permeable brick. The finished product of the water permeable brick is wear-resistant, durable and good in freeze-thaw resistance, so that the water permeable requirement of the pavement can be met.
In this embodiment, the cementitious material is cement.
It is noted that the cement is easy to obtain, low in cost and has better binding capacity with limestone and manganese slag.
In the embodiment, the base layer comprises the following raw materials in parts by weight: 8 parts of water, 24 parts of a cementing material and 68 parts of limestone. The surface layer comprises the following raw materials in parts by weight: 12 parts of water, 39 parts of cementing materials and 49 parts of manganese slag.
In this example, the thickness of the top layer was 3mm, and the thickness of the base layer was 7cm. The width of the base layer and the surface layer is 10cm, and the length of the base layer and the surface layer is 20cm.
Table one: the cement chemical composition provided in this example
Table two: the chemical composition of limestone provided in this example
| Name (R) | CaO％ | MgO％ | Fe2O3％ | Al 2 O 3 ％ | SiO 2 ％ | Loss％ | K 2 O％ | Na 2 O％ | R 2 O％ |
| Limestone | 52.04 | 0.91 | 0.60 | 0.70 | 3.07 | 41.92 | 0.13 | 0.09 | 0.18 |
Table three: the chemical composition of the manganese slag provided by the embodiment
| Name (R) | CaO％ | MgO％ | Fe 2 O 3 ％ | Al 2 O 3 ％ | SiO 2 ％ | Loss％ |
| Manganese slag | 18.69 | 2.32 | 1.08 | 22.84 | 36.37 | 0.59 |
The embodiment of the invention also provides a preparation method of the water permeable brick produced by adopting the manganese slag, which comprises the following steps:
washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. Preparing a base layer from the following raw materials in parts by weight: 6-10 parts of water, 19-25 parts of cementing material and 65-73 parts of limestone, and fully stirring; preparing a surface layer from the following raw materials in parts by weight: 8-12 parts of water, 36-43 parts of cementing material and 47-56 parts of manganese slag, and fully stirring; then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 2-5 mm, and the thickness of the base layer is 5-12 cm. The width of the base layer and the surface layer is 8-12 cm, and the length is 16-22 cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2-3 MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
The method has the advantages of good recycling of the waste manganese slag, simple treatment process, no need of processing links such as crushing and grinding, simple construction and low cost, and only needs a normal-temperature maintenance mode.
The present embodiment is specifically illustrated in the following first to fifth embodiments, wherein the dimension of the water permeable bricks is consistent, and the best proportioning mode of the water permeable bricks is mainly obtained.
The first embodiment is as follows: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: a base layer is prepared from 6 parts of water, 21 parts of cement and 73 parts of limestone, and the mixture is fully stirred. The raw materials in parts by weight are as follows: preparing a surface layer by 8 parts of water, 36 parts of cement and 56 parts of manganese slag, and fully stirring. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 3mm, and the thickness of the base layer is 6cm. The width of the base layer and the surface layer is 10cm, and the length is 18cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
Example two: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: a base layer is prepared from 6 parts of water, 22 parts of cement and 72 parts of limestone, and the mixture is fully stirred. The raw materials in parts by weight are as follows: and preparing a surface layer by 9 parts of water, 37 parts of cement and 54 parts of manganese slag, and fully stirring. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 3mm, and the thickness of the base layer is 6cm. The width of the base layer and the surface layer is 10cm, and the length is 18cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
Example three: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: a base layer is prepared from 7 parts of water, 23 parts of cement and 70 parts of limestone, and the mixture is fully stirred. The raw materials in parts by weight are as follows: 10 parts of water, 38 parts of cement and 52 parts of manganese slag are prepared into a surface layer and are fully stirred. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 3mm, and the thickness of the base layer is 6cm. The width of the base layer and the surface layer is 10cm, and the length is 18cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
Example four: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. Sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: 8 parts of water, 24 parts of cement and 68 parts of limestone are prepared into a base layer and fully stirred. The raw materials in parts by weight are as follows: 12 parts of water, 39 parts of cement and 49 parts of manganese slag are prepared into a surface layer and are fully stirred. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 3mm, and the thickness of the base layer is 6cm. The width of the base layer and the surface layer is 10cm, and the length is 18cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
Example five: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials according to the following parts by weight: 9 parts of water, 25 parts of cement and 66 parts of limestone are prepared into a base layer and fully stirred. The raw materials in parts by weight are as follows: 10 parts of water, 43 parts of cement and 47 parts of manganese slag are prepared into a surface layer and are fully stirred. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 3mm, and the thickness of the base layer is 6cm. The width of the base layer and the surface layer is 10cm, and the length is 18cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
The water permeable bricks prepared in the first to fifth embodiments are sent to a third party for inspection, the inspection contents are the mixing dry humidity, water permeability and forming strength of the base layer and the surface layer, and the inspection report of the water permeable bricks is shown in the following seventh table:
the water permeable bricks in the first embodiment and the second embodiment have low strength after being demoulded, and the analysis reason is mainly that the cement consumption is low, a gel frame is not formed effectively, and a base layer and a surface layer aggregate cannot be bonded together effectively to form the water permeable bricks with certain strength. The strength of the water permeable bricks in the third embodiment, the fourth embodiment and the fifth embodiment meets the requirements, and the water permeable bricks in the third embodiment, the fourth embodiment and the fifth embodiment are compared to find that the appearance quality and the water permeability of the fourth embodiment are optimal.
And (3) carrying out a repeatability experiment according to the components of the water permeable brick in the fourth embodiment, aiming at obtaining the optimal size of the water permeable brick and the preparation method thereof, totally manufacturing five water permeable bricks with different sizes at this time, and sending the water permeable bricks to a third party for inspection after standard maintenance, wherein the embodiment is specifically described in the following embodiments in six to ten times when in actual application.
Example six: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: 8 parts of water, 24 parts of cement and 68 parts of limestone are prepared into a base layer and fully stirred. The raw materials in parts by weight are as follows: 12 parts of water, 39 parts of cement and 49 parts of manganese slag are prepared into a surface layer and are fully stirred. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 2mm, and the thickness of the base layer is 5cm. The width of the base layer and the surface layer is 8cm, and the length is 16cm. And (3) pressing the base layer and the surface layer in the die under the pressure of 2MPa, and then putting the die into a constant temperature and humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
Example seven: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. Sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: 8 parts of water, 24 parts of cement and 68 parts of limestone are prepared into a base layer and fully stirred. The raw materials in parts by weight are as follows: 12 parts of water, 39 parts of cement and 49 parts of manganese slag are prepared into a surface layer and are fully stirred. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 3mm, and the thickness of the base layer is 6cm. The width of the base layer and the surface layer is 9cm, and the length is 18cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2.2MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
Example eight: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: 8 parts of water, 24 parts of cement and 68 parts of limestone are prepared into a base layer and fully stirred. The raw materials in parts by weight are as follows: 12 parts of water, 39 parts of cement and 49 parts of manganese slag are prepared into a surface layer and are fully stirred. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 3mm, and the thickness of the base layer is 7cm. The width of the base layer and the surface layer is 10cm, and the length is 20cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2.5MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
Example nine: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: 8 parts of water, 24 parts of cement and 68 parts of limestone are prepared into a base layer and fully stirred. The raw materials in parts by weight are as follows: 12 parts of water, 39 parts of cement and 49 parts of manganese slag are prepared into a surface layer and are fully stirred. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 4mm, and the thickness of the base layer is 9cm. The width of the base layer and the surface layer is 11cm, and the length is 21cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 2.8MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
Example ten: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. Sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. The raw materials in parts by weight are as follows: 8 parts of water, 24 parts of cement and 68 parts of limestone are prepared into a base layer and fully stirred. The raw materials in parts by weight are as follows: 12 parts of water, 39 parts of cement and 49 parts of manganese slag are prepared into a surface layer and are fully stirred. Then the base layer and the surface layer are sequentially placed in a mould for forming, so that the thickness of the surface layer is 5mm, and the thickness of the base layer is 12cm. The width of the base layer and the surface layer is 12cm, and the length is 22cm. And (3) pressing the base layer and the surface layer in the mold under the pressure of 3MPa, and then putting the mold into a constant-temperature constant-humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
The water permeable bricks prepared in the six to ten embodiments are sent to a third party for inspection, the inspection contents are the mixing dry humidity, the water permeability and the forming strength of the base layer and the surface layer, and the inspection report of the water permeable bricks is shown in the following seven:
according to the above results, the water permeable brick of the eighth embodiment has good strength and good water permeability, the water permeable brick of the eighth embodiment has moderate size and can meet the size requirement in practical application, and therefore the parameters of the water permeable brick which are better are as follows: the base layer comprises the following raw materials in parts by weight: 8 parts of water, 24 parts of cement and 68 parts of limestone, wherein the surface layer comprises the following raw materials in parts by weight: 12 parts of water, 39 parts of cement and 49 parts of manganese slag. The thickness of the surface layer is 3mm, and the thickness of the base layer is 7cm. The width of the base layer and the surface layer is 10cm, and the length is 20cm. The better process conditions for preparing the water permeable brick are as follows: washing limestone with water, sieving, and making the particle size of sieved limestone powder be less than or equal to 3mm. And (4) sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm. Prepare the base layer and stir well. Preparing a surface layer and fully stirring. Then the base layer and the surface layer are sequentially placed in a mould for forming, and the base layer and the surface layer in the mould are pressed and molded under the pressure of 2.5MPa and then placed in a constant temperature and humidity curing box. And (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick. According to the invention, through two batches of tests, a better water permeable brick and a preparation method thereof are obtained by controlling variables, so that the actual use requirements can be met.
The water permeable brick obtained by the invention forms an integral structure and has certain bearing strength, has better water permeability than common bricks, and has the characteristics of simple components and low cost compared with the existing water permeable brick. The finished product of the water permeable brick is wear-resistant, durable and good in freeze-thaw resistance, so that the water permeable requirement of the pavement can be met. The preparation method provided by the invention can be used for well recycling the waste manganese slag, is simple in treatment process, does not need processing links such as crushing and grinding, adopts a normal-temperature maintenance mode, and is simple in construction and low in cost. The invention solves the problems of complex ingredients and poor durability of the water permeable brick in the prior art. The water permeable brick is prepared without adding additives such as a binder, hollow microspheres, diatomite or redispersible latex powder and the like, and the prepared water permeable brick can still meet the requirements of actual use strength and water permeability, so that the water permeable brick is simple in ingredients, low in cost and simple in preparation process.
In this embodiment, it is apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides an adopt brick that permeates water of manganese sediment production which characterized in that: the decorative board comprises a base layer and a surface layer, wherein the surface layer is arranged above the base layer;
the thickness of the surface layer is 2-5 mm, the thickness of the base layer is 5-12 cm, the width of the base layer and the surface layer is 8-12 cm, and the length of the base layer and the surface layer is 16-22 cm;
the base layer comprises the following raw materials in parts by weight: 6-10 parts of water, 19-25 parts of a cementing material and 65-73 parts of limestone;
the surface layer comprises the following raw materials in parts by weight: 8-12 parts of water, 36-43 parts of cementing material and 47-56 parts of manganese slag.
2. The water permeable brick produced by adopting manganese slag according to claim 1, which is characterized in that: the cementing material is cement.
3. The water permeable brick produced by adopting manganese slag according to claim 1, which is characterized in that: the base layer comprises the following raw materials in parts by weight: 8 parts of water, 24 parts of a cementing material and 68 parts of limestone;
the surface layer comprises the following raw materials in parts by weight: 12 parts of water, 39 parts of cementing materials and 49 parts of manganese slag.
4. The water permeable brick produced by adopting manganese slag according to claim 1, which is characterized in that: the thickness of the surface layer is 3mm, and the thickness of the base layer is 7cm; the width of the base layer and the surface layer is 10cm, and the length of the base layer and the surface layer is 20cm.
5. A preparation method of a water permeable brick produced by manganese slag is characterized by comprising the following steps:
washing limestone with water, and sieving, wherein the particle size of the sieved limestone powder is less than or equal to 3mm;
sieving the manganese slag, wherein the particle size of the sieved manganese slag is less than or equal to 1mm;
preparing a base layer from the following raw materials in parts by weight: 6-10 parts of water, 19-25 parts of cementing material and 65-73 parts of limestone, and fully stirring;
preparing a surface layer from the following raw materials in parts by weight: 8-12 parts of water, 36-43 parts of cementing material and 47-56 parts of manganese slag, and fully stirring;
then sequentially placing the base layer and the surface layer in a mold for molding, wherein the thickness of the surface layer is 2-5 mm, and the thickness of the base layer is 5-12 cm; the width of the base layer and the surface layer is 8-12 cm, and the length of the base layer and the surface layer is 16-22 cm;
pressing the base layer and the surface layer in the mold under the pressure of 2-3 MPa, and placing the mold into a constant temperature and humidity curing box;
and (5) demolding after curing for 24 hours, and then curing for 7 days at constant temperature and humidity to obtain the water permeable brick.
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