CN107522454B - Odorless environment-friendly gypsum board and production method and production system thereof - Google Patents
Odorless environment-friendly gypsum board and production method and production system thereof Download PDFInfo
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- CN107522454B CN107522454B CN201610453527.9A CN201610453527A CN107522454B CN 107522454 B CN107522454 B CN 107522454B CN 201610453527 A CN201610453527 A CN 201610453527A CN 107522454 B CN107522454 B CN 107522454B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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Abstract
The invention discloses a smell-free environment-friendly gypsum board and a production method and a production system thereof, wherein the method comprises the following steps: respectively conveying the activated carbon fiber filaments and water into a stirring tank according to a preset proportion through respective metering conveying equipment, stirring, and then inputting into a stirrer; the calcined gypsum powder, the modified starch and the superfine tourmaline powder are respectively fed into a mixing reamer through respective metering and conveying equipment, are fully mixed and then are fed into a stirrer; respectively metering a foaming agent and a formaldehyde remover by respective metering and conveying equipment, then feeding the metered foaming agent and the formaldehyde remover into a foaming system, generating uniform and stable foam, and then inputting the uniform and stable foam into a stirrer; stirring by a stirrer to inject slurry between the upper layer of protective paper and the lower layer of protective paper; extruding by a former to obtain a wet gypsum board; and (3) conveying the wet gypsum board through a forming belt, and cutting, drying and trimming after the wet gypsum board is solidified to obtain a finished gypsum board. The gypsum board can effectively remove harmful gases such as indoor formaldehyde and the like, and continuously purify air.
Description
Technical Field
The invention relates to the technical field of gypsum board production, in particular to a odorless environment-friendly gypsum board and a production method and a production system thereof.
Background
The paper-surface gypsum board has the advantages of light weight, fire resistance, sound insulation, convenient construction, low price and the like, is widely used for indoor partition walls, suspended ceilings and the like, can adjust indoor humidity by the specific breathing performance, is suitable for living, and gradually becomes the first choice of indoor decoration materials.
With the development of economy and the progress of society, people's environmental protection concept deepens day by day, and the requirement for quality of life is gradually improved, so it will be the first task of interior decoration material manufacturing enterprises to create a comfortable and pleasant indoor environment.
People's environmental protection theory deepens, and the additional function of environmental protection of gypsum board is also more important, also begins to circulate the gypsum board that has environmental protection function on the existing market, but mostly only has the formaldehyde adsorption function, and indoor harmful gas can not thoroughly be cured radically, and environmental protection function is single moreover, and manufacturing enterprise only uses the environmental protection to be propaganda gimmick even alone, can not all-roundly make a healthy comfortable living environment for the user.
There is a need to develop an ecological gypsum board with no smell and environmental protection.
Disclosure of Invention
In order to solve the technical problems, the invention provides a odorless environment-friendly gypsum board and a production method and a production system thereof.
The invention provides a production method of a odorless environment-friendly gypsum board, which comprises the following steps:
step 1: step 101: respectively conveying the activated carbon fiber filaments and water into a stirring tank according to a preset proportion through respective metering conveying equipment, stirring, and then inputting into a stirrer; step 102: the calcined gypsum powder, the modified starch and the superfine tourmaline powder are respectively fed into a mixing reamer through respective metering and conveying equipment, are fully mixed and then are fed into a stirrer; step 103: respectively metering a foaming agent and a formaldehyde remover by respective metering and conveying equipment, then feeding the metered foaming agent and the formaldehyde remover into a foaming system, generating uniform and stable foam, and then inputting the uniform and stable foam into a stirrer;
and 3, conveying the wet gypsum board through a forming belt, and cutting, drying and trimming after the wet gypsum board is solidified to obtain a finished gypsum board product.
The production method of the odorless environment-friendly gypsum board can also have the following characteristics:
in the step 1, the step 101, the step 102 and the step 103 are performed simultaneously.
The production method of the odorless environment-friendly gypsum board can also have the following characteristics:
step 101, step 102 and step 103 in step 1 are executed according to a preset sequence.
The production method of the odorless environment-friendly gypsum board can also have the following characteristics:
the gypsum board finished product comprises the following raw materials in parts by weight:
the weight of the calcined gypsum powder is 100 parts;
the weight of the water is 65-80 parts;
the weight of the modified starch is 0.3-1;
0.04-0.12 part of foaming agent;
the weight of the activated carbon fiber is 0.02-0.1 part;
0.01-0.05 part of formaldehyde eliminating agent;
2-8 parts of superfine tourmaline powder;
the weight of the face protecting paper is 5-10 parts.
The production method of the odorless environment-friendly gypsum board can also have the following characteristics:
the modified starch is modified corn starch.
The production method of the odorless environment-friendly gypsum board can also have the following characteristics:
the diameter of the micro-material of the ultrafine tourmaline powder is 26-140 microns.
The invention provides a smell-free environment-friendly gypsum board, which comprises: the gypsum board consists of gypsum powder, water, modified starch, a foaming agent, activated carbon fiber, a formaldehyde remover, superfine tourmaline powder and mask paper;
the proportioning mode of each material by weight is as follows:
the weight of the calcined gypsum powder is 100 parts;
the weight of the water is 65-80 parts;
the weight of the modified starch is 0.3-1;
0.04-0.12 part of foaming agent;
the weight of the activated carbon fiber is 0.02-0.1 part;
0.01-0.05 part of formaldehyde eliminating agent;
2-8 parts of superfine tourmaline powder;
the weight of the face protecting paper is 5-10 parts.
The odor-free environment-friendly gypsum board also has the following characteristics:
the modified starch is modified corn starch.
The odor-free environment-friendly gypsum board also has the following characteristics:
the diameter of the micro-material of the superfine tourmaline powder is 26-140 microns.
The invention provides a production system of a odorless environment-friendly gypsum board, which comprises:
the device comprises activated carbon fiber yarn metering and conveying equipment, water metering and conveying equipment and a stirring tank corresponding to the output end of the activated carbon fiber yarn metering and conveying equipment and the output end of the water metering and conveying equipment;
the device comprises calcined gypsum powder metering and conveying equipment, modified starch metering and conveying equipment, superfine tourmaline powder metering and conveying equipment and a mixing reamer, wherein the mixing reamer corresponds to the output end of the calcined gypsum powder metering and conveying equipment, the output end of the modified starch metering and conveying equipment and the output end of the superfine tourmaline powder metering and conveying equipment;
the system comprises a foaming agent metering and conveying device, a formaldehyde remover metering and conveying device and a foaming device, wherein the foaming device corresponds to the output end of the foaming agent metering and conveying device and the output end of the formaldehyde remover metering and conveying device;
the stirrer corresponds to the output end of the stirring tank, the output end of the mixing reamer and the output end of the foaming device;
a former, a forming belt, a cutting machine, a drier and an edge sawing machine which are connected in sequence.
The method can prepare the odor-free and environment-friendly ecological gypsum board, can effectively remove harmful gases such as indoor formaldehyde and the like, continuously purify air, and create a fresh, comfortable and healthy living environment; meanwhile, the strength, the impact resistance and the caking property of the plate all meet the relevant requirements of national standards.
Drawings
FIG. 1 is a flow chart of a process for producing the odorless environmentally friendly gypsum board of the present invention.
FIG. 2 is a block diagram of the production system of the odorless environmentally friendly gypsum board of the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
FIG. 1 is a flow chart of the production process of the odorless environmentally friendly gypsum board of the present invention. The production method of the odorless environment-friendly gypsum board comprises the following steps:
and 3, conveying the wet gypsum board through a forming belt, and cutting, drying and trimming after the wet gypsum board is solidified to obtain a finished gypsum board product.
The three substeps of step 101, step 102 and step 103 in step 1 may be performed simultaneously, or may be performed according to a preset sequence, where the preset sequence of step 101, step 102 and step 103 includes 6.
In the method, the gypsum board finished product comprises the following raw materials in parts by weight:
the weight of the calcined gypsum powder is 100 parts;
the weight of the water is 65-80 parts;
the weight of the modified starch is 0.3-1;
0.04-0.12 part of foaming agent;
the weight of the activated carbon fiber is 0.02-0.1 part;
0.01-0.05 part of formaldehyde eliminating agent;
2-8 parts of superfine tourmaline powder;
the weight of the face protecting paper is 5-10 parts.
The following details are given for each raw material:
calcined gypsum powder: the desulfurized gypsum is calcined to remove all attached water and part of crystal water to prepare powder taking semi-hydrated gypsum as a main component, and then the powder is ground and modified in a ball mill, and the calcined gypsum powder generates strength after hydration and hardening and is used as a base material of a gypsum board core material.
Modified starch: the modified corn starch is gelatinized in the gypsum board drying process, and the gelatinized modified corn starch is transferred to a contact layer of the facing paper and the gypsum core material along with the evaporation of water, so that the facing paper and the gypsum core material are firmly bonded together.
Foaming agent: the surfactant with sodium dodecyl sulfate as main component makes the board core have homogeneously distributed pores and lowered gypsum board quality.
Activated carbon fiber yarn: the activated carbon-containing fiber is provided with micropores distributed on the surface, is a new generation of adsorption material following active carbon, has adsorption capacity which is tens of times or even tens of times of that of active carbon particles, and is mainly used for rapidly adsorbing peculiar smell and harmful gases such as formaldehyde in indoor environment.
Formaldehyde eliminating agent: the environment-friendly indoor air purifier is developed by adopting a high-tech environment-friendly technology according to the natural principle that plants absorb and absorb harmful gases such as formaldehyde, contains plant extracts, does not contain organic solvents, is an environment-friendly product, and can efficiently decompose harmful decoration pollutants such as indoor formaldehyde and purify indoor air.
Ultra-fine tourmaline powder: the raw tourmaline ore is separated, washed with water to remove impurities, and crushed and ground to obtain the superfine powder. The diameter of the micro-material of the ultrafine tourmaline powder is 26-140 microns. The superfine tourmaline powder can continuously release negative ions and far infrared rays in the whole life cycle, and has excellent functions of purifying, dedusting, sterilizing, preventing electromagnetic radiation and the like.
And (4) protecting the surface paper: the back paper is common primary color paper, the surface paper is green protective paper, and the protective paper provides over 70% strength of the gypsum board.
FIG. 2 is a block diagram of the production system of the odorless environmentally friendly gypsum board of the present invention. Production system of odorless environmental protection gypsum board includes:
the device comprises activated carbon fiber yarn metering and conveying equipment, water metering and conveying equipment and a stirring tank corresponding to the output end of the activated carbon fiber yarn metering and conveying equipment and the output end of the water metering and conveying equipment;
the device comprises calcined gypsum powder metering and conveying equipment, modified starch metering and conveying equipment, superfine tourmaline powder metering and conveying equipment and a mixing reamer, wherein the mixing reamer corresponds to the output end of the calcined gypsum powder metering and conveying equipment, the output end of the modified starch metering and conveying equipment and the output end of the superfine tourmaline powder metering and conveying equipment;
the system comprises a foaming agent metering and conveying device, a formaldehyde remover metering and conveying device and a foaming device, wherein the foaming device corresponds to the output end of the foaming agent metering and conveying device and the output end of the formaldehyde remover metering and conveying device;
the stirrer corresponds to the output end of the stirring tank, the output end of the mixing reamer and the output end of the foaming device;
a former, a forming belt, a cutting machine, a drier and an edge sawing machine which are connected in sequence.
The gypsum board prepared by the method has excellent quality, for example, the gypsum board with the thickness of 9.5 millimeters, the weight per unit area is detected to be 6.8kg per square meter, the breaking load is 215N on average in the transverse direction, 198N on minimum, 482N on average in the longitudinal direction and 457N on minimum, the hardness of the end head and the edge is more than 120N, the strength of the board is greatly improved, and the impact resistance and the caking property meet the relevant requirements of national standards.
According to the gypsum board produced by the method, the active carbon fiber filaments are uniformly dispersed in the core material of the gypsum board, so that peculiar smell and harmful gases such as formaldehyde in the indoor environment can be rapidly removed by virtue of the super-strong adsorption capacity of the active carbon fiber filaments, and the toughness and the strength of the gypsum board are increased; the formaldehyde remover is uniformly dispersed in the gypsum board core material, and can be used for sealing and decomposing formaldehyde adsorbed by the activated carbon fiber, so that the formaldehyde harm is completely cured, and double insurance is provided for health; the ultrafine tourmaline powder is uniformly dispersed in the gypsum board core material, can continuously release negative ions and far infrared rays in the forms of 'air vitamin' and 'life light wave' in the whole life cycle, has excellent effects of purifying, dedusting, sterilizing, preventing electromagnetic radiation and the like, has obvious curative effects on diseases of a respiratory system, a blood circulation system and the like, can promote metabolism, and is beneficial to human health.
The above-described aspects may be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (5)
1. A production method of an odorless environment-friendly gypsum board is characterized by comprising the following steps:
step 1: step 101: respectively conveying the activated carbon fiber filaments and water into a stirring tank according to a preset proportion through respective metering conveying equipment, stirring, and then inputting into a stirrer; step 102: the calcined gypsum powder, the modified starch and the superfine tourmaline powder are respectively fed into a mixing reamer through respective metering and conveying equipment, are fully mixed and then are fed into a stirrer; step 103: respectively metering a foaming agent and a formaldehyde remover by respective metering and conveying equipment, then feeding the metered foaming agent and the formaldehyde remover into a foaming system, generating uniform and stable foam, and then inputting the uniform and stable foam into a stirrer;
step 2, stirring by a stirrer to inject slurry between the upper layer of protective paper and the lower layer of protective paper; extruding by a former to obtain a wet gypsum board;
step 3, conveying the wet gypsum board through a forming belt, and cutting, drying and edge sawing after the wet gypsum board is solidified to obtain a finished gypsum board;
the gypsum board finished product comprises the following raw materials in parts by weight:
the weight of the calcined gypsum powder is 100 parts;
the weight of the water is 65-80 parts;
the weight of the modified starch is 0.3-1;
0.04-0.12 part of foaming agent;
the weight of the activated carbon fiber is 0.02-0.1 part;
0.01-0.05 part of formaldehyde eliminating agent;
2-8 parts of superfine tourmaline powder;
5-10 parts of face protecting paper;
the modified starch is modified corn starch;
the diameter of the micro-material of the ultrafine tourmaline powder is 26-140 microns.
2. The method for producing an odorless environmentally friendly gypsum board according to claim 1,
in the step 1, the step 101, the step 102 and the step 103 are performed simultaneously.
3. The method for producing an odorless environmentally friendly gypsum board according to claim 1,
step 101, step 102 and step 103 in step 1 are executed according to a preset sequence.
4. An odor-free environment-friendly gypsum board, comprising: the gypsum board consists of gypsum powder, water, modified starch, a foaming agent, activated carbon fiber, a formaldehyde remover, superfine tourmaline powder and mask paper;
the proportioning mode of each material by weight is as follows:
the weight of the calcined gypsum powder is 100 parts;
the weight of the water is 65-80 parts;
the weight of the modified starch is 0.3-1;
0.04-0.12 part of foaming agent;
the weight of the activated carbon fiber is 0.02-0.1 part;
0.01-0.05 part of formaldehyde eliminating agent;
2-8 parts of superfine tourmaline powder;
5-10 parts of face protecting paper;
the modified starch is modified corn starch;
the diameter of the micro-material of the superfine tourmaline powder is 26-140 microns.
5. A production system of odorless environmental protection gypsum board, characterized by includes:
the device comprises activated carbon fiber yarn metering and conveying equipment, water metering and conveying equipment and a stirring tank corresponding to the output end of the activated carbon fiber yarn metering and conveying equipment and the output end of the water metering and conveying equipment;
the device comprises calcined gypsum powder metering and conveying equipment, modified starch metering and conveying equipment, superfine tourmaline powder metering and conveying equipment and a mixing reamer, wherein the mixing reamer corresponds to the output end of the calcined gypsum powder metering and conveying equipment, the output end of the modified starch metering and conveying equipment and the output end of the superfine tourmaline powder metering and conveying equipment;
the system comprises a foaming agent metering and conveying device, a formaldehyde remover metering and conveying device and a foaming device, wherein the foaming device corresponds to the output end of the foaming agent metering and conveying device and the output end of the formaldehyde remover metering and conveying device;
the stirrer corresponds to the output end of the stirring tank, the output end of the mixing reamer and the output end of the foaming device;
a former, a forming belt, a cutting machine, a drier and an edge sawing machine which are connected in sequence.
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| CN111499320A (en) * | 2019-01-30 | 2020-08-07 | 中建材创新科技研究院有限公司 | Gypsum board with humidity adjusting function and preparation method thereof |
| CN111606729B (en) * | 2019-04-10 | 2021-09-28 | 北新集团建材股份有限公司 | Layered pouring type aldehyde-cleaning paper-surface gypsum board and preparation method thereof |
| CN110051868A (en) * | 2019-04-15 | 2019-07-26 | 宝盈联华(厦门)生物科技有限公司 | A kind of cabinet sterilizer with silicon-carbon rock, Lei mountain flour |
| CN111606654A (en) * | 2019-04-30 | 2020-09-01 | 中建材创新科技研究院有限公司 | Gypsum board with improved humidifying function and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291770A (en) * | 2014-09-05 | 2015-01-21 | 青岛佳尚创意文化有限公司 | Environmentally-friendly gypsum plate for removing formaldehyde |
| CN104973882A (en) * | 2015-06-25 | 2015-10-14 | 北新集团建材股份有限公司 | Preparation method of paper-surface gypsum board |
| CN105152617A (en) * | 2015-09-06 | 2015-12-16 | 孙小力 | Gypsum plaster board produced by utilizing negative ion powder and preparation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005247635A (en) * | 2004-03-04 | 2005-09-15 | Panahome Corp | Plasterboard having environment improving function |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291770A (en) * | 2014-09-05 | 2015-01-21 | 青岛佳尚创意文化有限公司 | Environmentally-friendly gypsum plate for removing formaldehyde |
| CN104973882A (en) * | 2015-06-25 | 2015-10-14 | 北新集团建材股份有限公司 | Preparation method of paper-surface gypsum board |
| CN105152617A (en) * | 2015-09-06 | 2015-12-16 | 孙小力 | Gypsum plaster board produced by utilizing negative ion powder and preparation method |
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