Semi-dry method gypsum block production formula

Abstract

The invention provides a semi-dry method gypsum block production formula, and relates to the technical field of blocks. The invention discloses a gypsum block production formula. Comprising the following raw materials in parts by weight: 35-40% of ardealite, 10-15% of lime, 8-10% of perlite, 12-15% of lightweight aggregate, 1-3% of activated carbon, 0.5-1.0% of titanium dioxide, 0.5-1.0% of zinc oxide, 0.5-1.0% of barium oxide, 5-8% of silicate fibers, 5-8% of polypropylene fibers, 5-8% of glass fibers, 1-2% of a waterproof agent, 1-2% of a flame retardant, 1-4% of a sound insulation filler and more than 50% of purified water. According to the present invention, the silicate fiber, the polypropylene fiber, the glass fiber and other fiber materials are used, such that the crack resistance and the durability of the building block can be effectively enhanced, and the sound insulation filler such as the polyurethane foam, the polyethylene foam and the mineral wool is added, such that the sound insulation performance of the building block can be significantly improved, the sound transmission can be reduced, the sound insulation effect of the building can be enhanced, and the use comfort can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of building blocks, in particular to a production formula of a semi-dry gypsum building block. Background Art

[0002] Gypsum blocks are a kind of building material, which are mainly made of gypsum and other auxiliary materials. They are usually used in building walls, partition walls, sound insulation walls, thermal insulation walls and other parts.

[0003] Most existing gypsum blocks are prepared by wet method, which requires a large amount of water to form the original mixture of gypsum blocks. This water requires a large amount of energy to remove in the subsequent curing and drying process, resulting in high energy consumption. In addition, although the gypsum blocks prepared by the existing gypsum block formula and production method have sound absorption capabilities to a certain extent, their density and structure may lead to high sound wave conduction capabilities at some frequencies, resulting in poor sound insulation effect. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a semi-dry gypsum block production formula, which solves the problem that a large amount of water is required to form the original mixture of gypsum blocks in the wet preparation, and a large amount of energy is required to remove the water in the subsequent curing and drying process, resulting in high energy consumption.

[0005] To achieve the above objectives, the present invention is implemented through the following technical scheme: a semi-dry gypsum block production formula, comprising the following raw materials in parts by weight: 35-40% phosphogypsum, 10-15% lime, 8-10% perlite, 12-15% lightweight aggregate, 1-3% activated carbon, 0.5-1.0% titanium dioxide, 0.5-1.0% zinc oxide, 0.5-1.0% barium oxide, 5-8% silicate fiber, 5-8% polypropylene fiber, 5-8% glass fiber, 1-2% waterproofing agent, 1-2% flame retardant, 1-4% sound insulation filler and more than 50% clean water.

[0006] Preferably, the lime is quicklime or slaked lime, and the lightweight aggregate is any one of perlite, expanded perlite, foamed stone and expanded vermiculite.

[0007] Preferably, the waterproofing agent is acrylic emulsion or polyurethane emulsion, the flame retardant is any one of ammonium phosphate, trichlorophosphorus and silicon hexachloride, and the sound insulation filler is any one of polyurethane foam, polyethylene foam and mineral wool.

[0008] Preferably, a semi-dry gypsum block production method comprises the following steps:

[0009] S1. Fiber pretreatment

[0010] Cut all the silicate fibers, polypropylene fibers and glass fibers into 5-10 cm lengths using scissors;

[0011] S2.Perlite and Lightweight Aggregate Processing

[0012] Put all the perlite and lightweight aggregate into a ball mill and grind them to a particle size of 0.1-10 mm;

[0013] S3. Phosphogypsum mixing

[0014] Add all the phosphogypsum and lime into a mixer, then add all the silicate fibers, polypropylene fibers and glass fibers treated in S1 into the mixer, and stir at a speed of 300-500 r / min. While stirring, gradually add clean water into the mixer, and monitor the mixture in real time through a sensor to make the mixture have a water content of 35-45%;

[0015] S4. Mixture Enhancement

[0016] Add all the processed perlite and lightweight aggregate in S2 to the mixture in S3, and mix them with a mixer at a speed of 100-200 r / min to ensure that the mixture is evenly mixed to obtain a reinforced mixture;

[0017] S5. Increased functionality

[0018] Add all the activated carbon, titanium dioxide, zinc oxide and barium oxide to the enhanced mixture obtained in S4, and stir at a speed of 400-600 r / min by a stirrer, stop stirring after stirring for 5-10 minutes, and let it stand for 5 minutes, then add all the waterproofing agent and flame retardant in turn after standing, and stir at a speed of 50-100 r / min, stop stirring after stirring for 3-5 minutes, and let it stand at a constant temperature for 5-15 minutes to obtain a functional mixture;

[0019] S6. Mixture adjustment

[0020] The functional mixture obtained in S5 is stirred again by a stirrer at a speed of 20-50 r / min, and clean water is gradually added into the stirrer during stirring, so that the functional mixture forms a compressible solid state but has no obvious fluidity, and the mixture is monitored by a sensor in real time to obtain a gypsum block mixture with a water content of 15-25%;

[0021] S7. Molding

[0022] Pour 1 / 3 of the gypsum block mixture obtained in S6 into a block forming machine, and vibrate the gypsum blocks in the forming machine to keep their surfaces flat and free of bubbles, then evenly lay 1 / 3 of the sound insulation filler on the surface of the gypsum block mixture, then pour 1 / 3 of the block mixture on the surface of the sound insulation filler, and vibrate it again to keep its surface flat and free of bubbles, repeat this process until all the block mixture and the sound insulation filler are added, and after the addition is completed, press them into a uniform and dense block shape through the forming machine;

[0023] S8. Drying and curing

[0024] The blocks formed in S7 are dried by natural drying or heating drying to remove excess moisture and promote hardening and strength of the blocks.

[0025] The present invention provides a semi-dry gypsum block production formula, which has the following beneficial effects:

[0026] 1. The present invention can effectively enhance the crack resistance and durability of the building blocks by using fiber materials such as silicate fiber, polypropylene fiber and glass fiber. In addition, adding sound insulation fillers such as polyurethane foam, polyethylene foam and mineral wool can significantly improve the sound insulation performance of the building blocks, reduce sound transmission, enhance the sound insulation effect of the building, and improve the comfort of use.

[0027] 2. The present invention adds functional materials such as activated carbon, titanium dioxide, zinc oxide and barium oxide, which can not only enhance the anti-pollution ability and weather resistance of the building blocks, but also improve their appearance and optical properties, making the building blocks more suitable for long-term use and application under various environmental conditions.

[0028] 3. The present invention ensures uniform mixing of raw materials and particle size control through the ball mill grinding and mixer stirring steps in the preparation process, thereby ensuring the uniformity and stability of the building blocks. At the same time, by gradually adding water to control the moisture content of the mixture, the mixture can be effectively prevented from being too dry or wet, thereby ensuring the quality and strength of the building blocks after forming.

[0029] 4. In the semi-dry method of the present invention, the raw materials of the gypsum blocks are pre-dried to a certain extent, so that the formed blocks can be processed and packaged more quickly, thereby improving production efficiency. Since the semi-dry method can more accurately control the moisture content and shape of the gypsum blocks during the forming process, the dimensional stability and quality of the product are generally more reliable. Compared with the wet method, the semi-dry method does not require a large amount of water for block forming, so it can save energy and reduce production costs during the drying and curing process. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1:

[0032] The embodiment of the present invention provides a semi-dry gypsum block production formula, comprising the following raw materials in parts by weight: 35% phosphogypsum, 10% lime, 8% perlite, 12% lightweight aggregate, 1% activated carbon, 0.5% titanium dioxide, 0.5% zinc oxide, 0.5% barium oxide, 5% silicate fiber, 5% polypropylene fiber, 5% glass fiber, 1% waterproofing agent, 1% flame retardant, 1% sound insulation filler and more than 50% purified water;

[0033] The lime is quicklime or slaked lime, and the lightweight aggregate is any one of perlite, expanded perlite, foamed stone and expanded vermiculite;

[0034] The waterproofing agent is acrylic emulsion or polyurethane emulsion, the flame retardant is any one of ammonium phosphate, trichlorophosphorus and silicon hexachloride, and the sound insulation filler is any one of polyurethane foam, polyethylene foam and mineral wool.

[0035] A semi-dry gypsum block production method comprises the following steps:

[0036] S1. Fiber pretreatment

[0037] Cut all the silicate fibers, polypropylene fibers, and glass fibers into 5 cm lengths using scissors;

[0038] S2.Perlite and Lightweight Aggregate Processing

[0039] Put all the perlite and lightweight aggregate into a ball mill and grind them to a particle size of 0.1 mm.

[0040] S3. Phosphogypsum mixing

[0041] Add all the phosphogypsum and lime into the mixer, then add all the silicate fiber, polypropylene fiber and glass fiber treated in S1 into the mixer, and stir at a speed of 300 r / min. While stirring, gradually add clean water into the mixer, and monitor the mixture in real time through a sensor to make the water content of the mixture be 35%;

[0042] S4. Mixture Enhancement

[0043] Add all the perlite and lightweight aggregate processed in S2 to the mixture in S3, and mix them with a mixer at a speed of 100 r / min to ensure that the mixture is evenly mixed to obtain a reinforced mixture;

[0044] S5. Increased functionality

[0045] Add all the activated carbon, titanium dioxide, zinc oxide and barium oxide to the enhanced mixture obtained in S4, and stir at a speed of 400 r / min by a stirrer, stop stirring after continuous stirring for 5 minutes, and let it stand for 5 minutes, then add all the waterproofing agent and flame retardant in turn after standing, and stir at a speed of 50 r / min, stop stirring after continuous stirring for 3 minutes, and let it stand at a constant temperature for 5 minutes to obtain a functional mixture;

[0046] S6. Mixture adjustment

[0047] The functional mixture obtained in S5 is stirred again by a stirrer at a speed of 20 r / min, and clean water is gradually added into the stirrer during stirring, so that the functional mixture forms a compressible solid state but has no obvious fluidity, and the mixture is monitored by a sensor in real time to obtain a gypsum block mixture with a water content of 15%;

[0048] S7. Molding

[0049] Pour 1 / 3 of the gypsum block mixture obtained in S6 into a block forming machine, and vibrate the gypsum blocks in the forming machine to keep their surfaces flat and free of bubbles, then evenly lay 1 / 3 of the sound insulation filler on the surface of the gypsum block mixture, then pour 1 / 3 of the block mixture on the surface of the sound insulation filler, and vibrate it again to keep its surface flat and free of bubbles, repeat this process until all the block mixture and the sound insulation filler are added, and after the addition is completed, press them into a uniform and dense block shape through the forming machine;

[0050] S8. Drying and curing

[0051] The blocks formed in S7 are dried by natural drying or heating drying to remove excess moisture and promote hardening and strength of the blocks.

[0052] The formula includes phosphogypsum, lime, perlite, lightweight aggregate, etc. Each raw material is precisely blended in proportion. This optimization ensures that the blocks have good mechanical properties and durability while meeting various standard requirements for building materials. Functional materials such as activated carbon, titanium dioxide, zinc oxide and barium oxide are added. These materials can not only enhance the anti-pollution and weather resistance of the blocks, but also improve their appearance and optical properties, making the blocks more suitable for long-term use and application under various environmental conditions. The use of fiber materials such as silicate fiber, polypropylene fiber and glass fiber can effectively enhance the crack resistance and durability of the blocks. In addition, the addition of sound insulation fillers such as polyurethane foam, polyethylene foam and mineral wool can significantly improve the sound insulation performance of the blocks, reduce sound transmission, enhance the sound insulation effect of the building, and improve the comfort of use. In addition, the ball mill grinding and blender stirring steps in the preparation process ensure the uniform mixing of the raw materials and the control of particle size, thereby ensuring the uniformity and stability of the building blocks. At the same time, by gradually adding water to control the moisture content of the mixture, the mixture can be effectively prevented from being too dry or wet, thereby ensuring the quality and strength of the building blocks after forming.

[0053] Embodiment 2:

[0054] The embodiment of the present invention provides a semi-dry gypsum block production formula, comprising the following raw materials in parts by weight: 40% phosphogypsum, 15% lime, 10% perlite, 15% lightweight aggregate, 3% activated carbon, 1.0% titanium dioxide, 1.0% zinc oxide, 1.0% barium oxide, 8% silicate fiber, 8% polypropylene fiber, 8% glass fiber, 2% waterproofing agent, 2% flame retardant, 4% sound insulation filler and more than 50% purified water;

[0055] The lime is quicklime or slaked lime, and the lightweight aggregate is any one of perlite, expanded perlite, foamed stone and expanded vermiculite;

[0056] The waterproofing agent is acrylic emulsion or polyurethane emulsion, the flame retardant is any one of ammonium phosphate, trichlorophosphorus and silicon hexachloride, and the sound insulation filler is any one of polyurethane foam, polyethylene foam and mineral wool.

[0057] A semi-dry gypsum block production method comprises the following steps:

[0058] S1. Fiber pretreatment

[0059] Cut all the silicate fibers, polypropylene fibers, and glass fibers into 10 cm lengths using scissors;

[0060] S2.Perlite and Lightweight Aggregate Processing

[0061] Put all the perlite and lightweight aggregate into a ball mill and grind them to a particle size of 10 mm.

[0062] S3. Phosphogypsum mixing

[0063] Add all the phosphogypsum and lime into the mixer, then add all the silicate fiber, polypropylene fiber and glass fiber treated in S1 into the mixer, and stir at a speed of 500 r / min. While stirring, gradually add clean water into the mixer, and monitor the mixture in real time through a sensor to make the mixture have a water content of 45%;

[0064] S4. Mixture Enhancement

[0065] Add all the processed perlite and lightweight aggregate in S2 to the mixture in S3, and mix them with a mixer at a speed of 200 r / min to ensure that the mixture is evenly mixed to obtain a reinforced mixture;

[0066] S5. Increased functionality

[0067] Add all the activated carbon, titanium dioxide, zinc oxide and barium oxide to the enhanced mixture obtained in S4, and stir at a speed of 600 r / min by a stirrer, stop stirring after continuous stirring for 10 minutes, and let it stand for 5 minutes, then add all the waterproofing agent and flame retardant in turn after standing, and stir at a speed of 100 r / min, stop stirring after continuous stirring for 5 minutes, and let it stand at a constant temperature for 15 minutes to obtain a functional mixture;

[0068] S6. Mixture adjustment

[0069] The functional mixture obtained in S5 is stirred again by a stirrer at a speed of 50 r / min, and clean water is gradually added into the stirrer during stirring, so that the functional mixture forms a compressible solid state but has no obvious fluidity, and the mixture is monitored in real time by a sensor to obtain a gypsum block mixture with a water content of 25%;

[0070] S7. Molding

[0071] Pour 1 / 3 of the gypsum block mixture obtained in S6 into a block forming machine, and vibrate the gypsum blocks in the forming machine to keep their surfaces flat and free of bubbles, then evenly lay 1 / 3 of the sound insulation filler on the surface of the gypsum block mixture, then pour 1 / 3 of the block mixture on the surface of the sound insulation filler, and vibrate it again to keep its surface flat and free of bubbles, repeat this process until all the block mixture and the sound insulation filler are added, and after the addition is completed, press them into a uniform and dense block shape through the forming machine;

[0072] S8. Drying and curing

[0073] The blocks formed in S7 are dried by natural drying or heating drying to remove excess moisture and promote hardening and strength of the blocks.

[0074] The formula includes phosphogypsum, lime, perlite, lightweight aggregate, etc. Each raw material is precisely blended in proportion. This optimization ensures that the blocks have good mechanical properties and durability while meeting various standard requirements for building materials. Functional materials such as activated carbon, titanium dioxide, zinc oxide and barium oxide are added. These materials can not only enhance the anti-pollution and weather resistance of the blocks, but also improve their appearance and optical properties, making the blocks more suitable for long-term use and application under various environmental conditions. The use of fiber materials such as silicate fiber, polypropylene fiber and glass fiber can effectively enhance the crack resistance and durability of the blocks. In addition, the addition of sound insulation fillers such as polyurethane foam, polyethylene foam and mineral wool can significantly improve the sound insulation performance of the blocks, reduce sound transmission, enhance the sound insulation effect of the building, and improve the comfort of use. In addition, the ball mill grinding and blender stirring steps in the preparation process ensure the uniform mixing of the raw materials and the control of particle size, thereby ensuring the uniformity and stability of the building blocks. At the same time, by gradually adding water to control the moisture content of the mixture, the mixture can be effectively prevented from being too dry or wet, thereby ensuring the quality and strength of the building blocks after forming.

[0075] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A semi-dry process gypsum block production formula, characterized in that: The invention comprises the following raw materials in parts by weight: 35-40% of phosphogypsum, 10-15% of lime, 8-10% of perlite, 12-15% of lightweight aggregate, 1-3% of activated carbon, 0.5-1.0% of titanium dioxide, 0.5-1.0% of zinc oxide, 0.5-1.0% of barium oxide, 5-8% of silicate fiber, 5-8% of polypropylene fiber, 5-8% of glass fiber, 1-2% of waterproofing agent, 1-2% of flame retardant, 1-4% of sound insulation filler and more than 50% of purified water.

2. A semi-dry gypsum block production formula according to claim 1, characterized in that: The lime is quicklime or slaked lime, and the lightweight aggregate is any one of perlite, expanded perlite, foamed stone and expanded vermiculite.

3. A semi-dry gypsum block production formula according to claim 1, characterized in that: The waterproofing agent is acrylic emulsion or polyurethane emulsion, the flame retardant is any one of ammonium phosphate, trichlorophosphorus and silicon hexachloride, and the sound insulation filler is any one of polyurethane foam, polyethylene foam and mineral wool.

4. A semi-dry gypsum block production method according to claims 1-3, characterized in that: The following steps are involved: S1. Fiber pretreatment Cut all the silicate fibers, polypropylene fibers and glass fibers into 5-10 cm lengths using scissors; S2.Perlite and Lightweight Aggregate Processing Put all the perlite and lightweight aggregate into a ball mill and grind them to a particle size of 0.1-10 mm; S3. Phosphogypsum mixing Add all the phosphogypsum and lime into a mixer, then add all the silicate fibers, polypropylene fibers and glass fibers treated in S1 into the mixer, and stir at a speed of 300-500 r / min. While stirring, gradually add clean water into the mixer, and monitor the mixture in real time through a sensor to make the mixture have a water content of 35-45%; S4. Mixture Enhancement Add all the processed perlite and lightweight aggregate in S2 to the mixture in S3, and mix them with a mixer at a speed of 100-200 r / min to ensure that the mixture is evenly mixed to obtain a reinforced mixture; S5. Increased functionality Add all the activated carbon, titanium dioxide, zinc oxide and barium oxide to the enhanced mixture obtained in S4, and stir at a speed of 400-600 r / min by a stirrer, stop stirring after stirring for 5-10 minutes, and let it stand for 5 minutes, then add all the waterproofing agent and flame retardant in turn after standing, and stir at a speed of 50-100 r / min, stop stirring after stirring for 3-5 minutes, and let it stand at a constant temperature for 5-15 minutes to obtain a functional mixture; S6. Mixture adjustment The functional mixture obtained in S5 is stirred again by a stirrer at a speed of 20-50 r / min, and clean water is gradually added into the stirrer during stirring, so that the functional mixture forms a compressible solid state but has no obvious fluidity, and the mixture is monitored by a sensor in real time to obtain a gypsum block mixture with a water content of 15-25%; S7. Molding Pour 1 / 3 of the gypsum block mixture obtained in S6 into a block forming machine, and vibrate the gypsum blocks in the forming machine to keep their surfaces flat and free of bubbles, then evenly lay 1 / 3 of the sound insulation filler on the surface of the gypsum block mixture, then pour 1 / 3 of the block mixture on the surface of the sound insulation filler, and vibrate it again to keep its surface flat and free of bubbles, repeat this process until all the block mixture and the sound insulation filler are added, and after the addition is completed, press them into a uniform and dense block shape through the forming machine; S8. Drying and curing The blocks formed in S7 are dried by natural drying or heating drying to remove excess moisture and promote hardening and strength of the blocks.