CN111187049A - Light water-resistant gypsum board and production method and production equipment thereof - Google Patents
Light water-resistant gypsum board and production method and production equipment thereof Download PDFInfo
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- CN111187049A CN111187049A CN201811354058.0A CN201811354058A CN111187049A CN 111187049 A CN111187049 A CN 111187049A CN 201811354058 A CN201811354058 A CN 201811354058A CN 111187049 A CN111187049 A CN 111187049A
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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
- C04B28/142—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 containing synthetic or waste calcium sulfate cements
- C04B28/144—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 containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/12—Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
- C04B2111/0062—Gypsum-paper board like materials
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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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The embodiment of the invention provides a production method of a light water-resistant gypsum board, which at least comprises the following steps: a) scattering and frying the desulfurized gypsum to prepare calcined gypsum powder; b) fully mixing the fly ash and the calcined gypsum powder, and grinding and modifying to prepare clinker; c) adding water, a foaming agent, paper pulp, modified starch, a coagulant, silicone oil and a silicone oil catalyst into the clinker, and fully stirring to obtain uniform slurry; d) the slurry is continuously poured between two layers of protective paper, and the gypsum board wet board is prepared by extrusion forming; e) and solidifying, cutting, drying and trimming the wet gypsum board to obtain a finished product of the gypsum plaster board. The embodiment of the invention also provides the light water-resistant gypsum board obtained by the production method and production equipment for producing the gypsum board.
Description
Technical Field
The application relates to the field of building materials, in particular to a light water-resistant gypsum board and a production method and production equipment thereof.
Background
The existing common paper-surface gypsum board has the characteristics of light weight, sound insulation, heat insulation, strong processing performance and simple and convenient construction method, is widely used in houses, office buildings, hotels and other places, but is not suitable for being applied in a humid environment because the gypsum has higher solubility in water and low softening coefficient.
The traditional production process of the water-resistant gypsum board comprises the steps of pumping waterproof agents such as silicone oil and the like into a foaming system, emulsifying and pumping the waterproof agents into a mixer, wherein the water absorption rate is controlled, and the unit weight of a product with the thickness of 9.5mm is generally controlled to be 6.6kg/m2The porosity of the board is reduced, but the water absorption rate of the board still cannot reach the standard in the actual production process, and in addition, as the silicon oil and other waterproof agents have the defoaming effect, the silicon oil is not uniformly mixed in a foaming system, so that the foaming of the product is unstable, the production speed fluctuation is large, and finally the water absorption rate of the gypsum board cannot reach the standard. When the water absorption of the gypsum board does not reach the standard, the method adopted in the prior art is to increase the addition amount of the silicone oil, but the water absorption of the gypsum board can not be obviously reduced when the actual silicone oil is added to a certain amount, the water absorption is still higher than 18 percent (far higher than 10 percent of the national standard), and the gypsum board can be further increased after the addition amount of the silicone oil is increasedResulting in instability of the slurry and reduced product quality.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the invention provides a light water-resistant gypsum board, a production method and production equipment thereof, which effectively reduce the water absorption of the gypsum board and improve the quality of the light water-resistant gypsum board.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the embodiment of the invention provides a light water-resistant gypsum board, which comprises plaster, fly ash, water, a foaming agent, paper pulp, a water reducing agent, a gelling agent, a regulator, modified starch, a coagulant, water-resistant mask paper, silicone oil and a silicone oil catalyst,
wherein the silicone oil catalyst is a metal salt catalyst or an alkaline catalyst or a mixture thereof.
Optionally, the silicone oil catalyst is ordinary portland composite cement or sintered dolomite or a mixture thereof.
Optionally, the weight ratio of the silicone oil catalyst to the calcined gypsum powder is: 100 parts of calcined gypsum and 0.3 to 1 part of silicone oil catalyst.
The embodiment of the invention also provides a production method of the light water-resistant gypsum board, which at least comprises the following steps:
a) scattering and frying the desulfurized gypsum to prepare calcined gypsum powder;
b) fully mixing the fly ash and the calcined gypsum powder, and grinding and modifying to prepare clinker;
c) adding water, a foaming agent, paper pulp, modified starch, a coagulant, silicone oil and a silicone oil catalyst into the clinker, and fully stirring to obtain uniform slurry;
d) the slurry is continuously poured between two layers of protective paper, and the gypsum board wet board is prepared by extrusion forming;
e) and solidifying, cutting, drying and trimming the wet gypsum board to obtain a finished product of the paper-surface gypsum board.
Optionally, the silicone oil in the step c) directly enters the mixer after passing through a separate silicone oil emulsifying system.
The embodiment of the invention also provides production equipment of the light water-resistant gypsum board, which comprises the following components:
a raw material storage module: comprises a clean water tank, a paper pulp tank, a foaming tank, a compressed air tank and an emulsifying machine;
a mixing module: comprises a mixer;
an additive addition module; comprises a coagulant bin, a starch bin and a silicone oil catalyst bin;
a silicone oil emulsification module: comprises a silicone oil tank, a mixing pump and a silicone oil emulsifying machine;
the clear water jar with the mixing pump the emulsion machine the machine that mixes links to each other, the pulp jar with mix the machine and link to each other, the foaming jar passes through the emulsion machine with mix the machine and link to each other, the compressed air jar with the emulsion machine links to each other, set accelerator storehouse starch storehouse silicone oil catalyst storehouse respectively with mix the machine and link to each other, the silicone oil jar passes through the mixing pump the silicone oil emulsion machine with mix the machine and link to each other.
Optionally, the raw material storage module further comprises a metering clean water pump and a metering pulp pump, the metering clean water pump is arranged between the clean water pump and the mixing machine, and the metering pulp pump is arranged between the pulp tank and the mixing machine.
Optionally, the silicone oil emulsification module further comprises a metering pump, and the metering pump is arranged between the silicone oil tank and the mixing pump.
Optionally, the additive adding module further comprises a mixing reamer and a conveying reamer, one end of the mixing reamer is respectively connected with the coagulant bin, the starch bin and the silicone oil catalyst bin, the other end of the mixing reamer is connected with one end of the conveying reamer, and the other end of the conveying reamer is connected with the mixing machine.
Optionally, the mixer is a vertical mixer.
Compared with the prior art, the invention has the following beneficial effects:
according to the gypsum board produced by the production method of the light water-resistant gypsum board, silicon oil is added as a waterproof agent to reduce the water absorption rate of the gypsum board, a silicon oil catalyst is also added, the silicon oil can form a waterproof film on the surface of the gypsum board under the action of the silicon oil catalyst, the waterproof performance of the gypsum board is greatly improved, the water absorption rate of the gypsum board can be reduced to about 5.0 +/-2 percent and is far lower than 10 percent of the national standard, after the silicon oil catalyst is added, the addition amount of the silicon oil can be effectively reduced, the unit consumption of the silicon oil is controlled to be 13 +/-2 g/m2, the manufacturing cost of the water-resistant gypsum board is greatly reduced, and meanwhile, the unit weight of a product can be controlled to be 6.0kg/m2 by adopting the production method of the light water-resistant gypsum board provided by.
The production equipment of the light water-resistant gypsum board provided by the embodiment of the invention is provided with the silicone oil catalyst bin for adding the silicone oil catalyst, so that the water resistance of the gypsum board is ensured, in addition, the silicone oil adding process in the equipment is independent, the silicone oil flows into the silicone oil emulsifying machine for emulsification after coming out of the silicone oil tank through the mixing pump, and directly enters the mixing machine after the emulsification is finished, the whole process is relatively independent, the influence on a foaming system is reduced, the stability of slurry is greatly improved, and the quality of the gypsum board is improved.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of a production facility of a lightweight water-resistant gypsum board according to an embodiment of the present invention.
Illustration of the drawings:
1-raw material storage module, 11-clean water tank, 12-pulp tank, 13-foaming tank, 14-compressed air tank, 15-emulsifying machine, 16-metering clean water pump, 17-metering pulp pump, 2-mixing module, 21-mixing machine, 3-additive adding module, 31-coagulant bin, 32-starch bin, 33-silicone oil catalyst bin, 34-mixing reamer, 35-conveying reamer, 4-silicone oil emulsifying module, 41-silicone oil tank, 42-mixing pump, 43-silicone oil emulsifying machine and 44-metering pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. 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.
The embodiment of the invention provides a light water-resistant gypsum board, which is characterized in that: comprises calcined gypsum, fly ash, water, a foaming agent, paper pulp, a water reducing agent, a gelling agent, a regulator, modified starch, a coagulant, a waterproof protective paper, silicone oil and a silicone oil catalyst,
wherein the silicone oil catalyst is a metal salt catalyst or an alkaline catalyst or a mixture thereof.
The metal salt catalyst or the alkaline catalyst is added into the gypsum board as the silicone oil catalyst, so that the silicone oil can be crosslinked to form a film at a low temperature, the water absorption rate of the gypsum board is greatly reduced, the water resistance of the gypsum board is improved, the silicone oil catalyst is accurately metered and added, the water resistance of the gypsum board can be improved, the method that the porosity of the board is reduced by increasing the single weight of a product in the traditional production process can be avoided, the weight of the gypsum board is reduced, and the lightweight of the gypsum board is realized.
Alternatively, the silicone oil catalyst is preferably ordinary portland composite cement or sintered dolomite.
The metal salt catalyst or the alkaline catalyst can be used as the silicone oil catalyst, but in the actual operation process, the alkaline substance has better catalytic effect and certain corrosivity, so that the effect of adopting the common silicate composite cement or the sintered dolomite as the silicone oil catalyst is most ideal.
Optionally, the weight ratio of the silicone oil catalyst to the calcined gypsum powder is: 100 parts of calcined gypsum and 0.3-1 part of silicone oil catalyst, wherein in actual operation, the addition amount of the silicone oil catalyst can be set to be 0.7 part, and the proportion of other raw materials can be set according to the conventional method.
The embodiment of the invention provides a production method of a light water-resistant gypsum board, which at least comprises the following steps:
a) scattering and frying the desulfurized gypsum to prepare calcined gypsum powder;
b) fully mixing the fly ash and the calcined gypsum powder, and grinding and modifying to prepare clinker;
c) adding water, a foaming agent, paper pulp, modified starch, a coagulant, silicone oil and a silicone oil catalyst into the clinker, and fully stirring to obtain uniform slurry;
d) the slurry is continuously poured between two layers of protective paper, and the gypsum board wet board is prepared by extrusion forming;
e) and solidifying, cutting, drying and trimming the wet gypsum board to obtain a finished product of the gypsum plaster board.
According to the production method of the light water-resistant gypsum board provided by the embodiment of the invention, the silicone oil is added as a waterproof agent to reduce the water absorption rate of the gypsum board, the silicone oil is added with the silicone oil catalyst, the silicone oil is crosslinked into a film at normal temperature under the action of the silicone oil catalyst, a layer of waterproof film is formed on the surface of the gypsum board, the waterproof performance of the gypsum board is greatly improved, the water absorption rate of the gypsum board can be reduced to about 5.0 +/-2 percent and is far lower than 10 percent of the national standard, after the silicone oil catalyst is added, the addition amount of the silicone oil can be effectively reduced, and the unit consumption of the silicone oil is controlled2The manufacturing cost of the water-resistant gypsum board is greatly reduced, and meanwhile, the production method of the light water-resistant gypsum board provided by the invention can control the single weight of the product to be 6.0kg/m2, so that the water-resistant gypsum board is light.
In practice, water reducing agents, gelling agents, conditioning agents, etc. may also be added in step c) to improve the quality of the gypsum board.
Alternatively, the silicone oil in step c) is directly fed into the mixer 21 through a pulp pipeline after passing through a separate silicone oil emulsifying system.
The silicone oil tank 41 is provided with a relatively independent silicone oil emulsifying system, and the emulsified silicone oil directly enters the mixer 21, so that the influence on a foaming system is reduced, and the stability of slurry is improved.
The embodiment of the invention also provides production equipment of the light water-resistant gypsum board, which comprises the following components:
raw material storage module 1: comprises a clean water tank 11, a pulp tank 12, a foaming tank 13, a compressed air tank 14 and an emulsifying machine 15;
and 2, a mixing module: comprises a mixer 21;
an additive addition module 3; comprises a coagulant bin 31, a starch bin 32 and a silicone oil catalyst bin 33;
silicone oil emulsification module 4: comprises a silicone oil tank 41, a mixing pump 42 and a silicone oil emulsifying machine 43;
the clean water tank 11 is connected with the mixing pump 42, the emulsifying machine 15 and the mixer 21, the pulp tank is connected with the mixer 21, the foaming tank 13 is connected with the mixer 21 through the emulsifying machine 15, the compressed air tank 14 is connected with the emulsifying machine 15, the coagulant bin 31, the starch bin 32 and the silicone oil catalyst bin 33 are respectively connected with the mixer 21, and the silicone oil tank 41 is connected with the mixer 21 through the mixing pump 42 and the silicone oil emulsifying machine 43.
The production equipment of the light water-resistant gypsum board provided by the embodiment of the invention is provided with the silicone oil catalyst bin 33 for adding a silicone oil catalyst, so that the water resistance of the gypsum board is ensured, in addition, the silicone oil adding process in the equipment is independent, the silicone oil flows into the silicone oil emulsifying machine 43 for emulsification after coming out of the silicone oil tank 41 and flowing into the mixing machine 21 directly after emulsification, the whole process is relatively independent, the influence of the defoaming action of the waterproofing agents such as the silicone oil on a foaming system is avoided, the production speed is stabilized, the stability of slurry is greatly improved, and the quality of the gypsum board is improved.
Optionally, the raw material storage module 1 further comprises a metering clean water pump 16 and a metering pulp pump 17, the metering clean water pump 16 being arranged between the clean water pump and the mixer 21, the metering pulp pump 17 being arranged between the pulp tank 12 and the mixer 21.
The metering clean water pump 16 and the metering pulp pump 17 can be used for accurately metering the addition of clean water and pulp, are favorable for accurately grasping the proportion of each component of slurry, and improve the overall quality of the gypsum board.
Optionally, the silicone oil emulsification module 4 further comprises a metering pump 44, the metering pump 44 being arranged between the silicone oil tank 41 and the mixing pump 42.
The metering pump 44 is used for accurately controlling the adding amount of the silicone oil, and the adding amount of the silicone oil is controlled to be 13 +/-2 g/m 2.
Optionally, the additive adding module 3 further comprises a mixing reamer 34 and a conveying reamer 35, one end of the mixing reamer 34 is connected to the coagulant bin 31, the starch bin 32 and the silicone oil catalyst bin 33, the other end of the mixing reamer 34 is connected to one end of the conveying reamer 35, and the other end of the conveying reamer 35 is connected to the mixer 21.
The mixing reamer 34 mixes the coagulant, starch (modified starch) and silicone oil catalyst, and the transport reamer 35 feeds the mixed mixture into the mixer 21 to be mixed with other raw materials.
In practical operation, the additive adding module 3 may further include a storage bin for additives such as a water reducing agent, a gelling agent, and a regulator, and is used for adding the water reducing agent, the gelling agent, and the regulator to the mixer.
Alternatively, the mixer 21 is a vertical mixer.
The vertical mixer has wide adaptability to mixed materials, does not generate chip separation and segregation phenomena when mixing materials with different specific gravity and different particle sizes, and has good mixing effect.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "one end", "the other end", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structure referred to has a specific direction, is constructed in a specific direction, and operates, and thus, the present invention is not to be construed as being limited.
Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.
Claims (10)
1. A lightweight water-resistant gypsum board characterized by: comprises calcined gypsum, fly ash, water, a foaming agent, paper pulp, a water reducing agent, a gelling agent, a regulator, modified starch, a coagulant, a waterproof protective paper, silicone oil and a silicone oil catalyst,
wherein the silicone oil catalyst is a metal salt catalyst or an alkaline catalyst or a mixture thereof.
2. The lightweight water-resistant gypsum board of claim 1, wherein: the silicone oil catalyst is common silicate composite cement or sintered dolomite or a mixture thereof.
3. The lightweight water-resistant gypsum board of claim 1, wherein: the silicone oil catalyst and the calcined gypsum powder are in the following weight ratio: 100 parts of calcined gypsum and 0.3 to 1 part of silicone oil catalyst.
4. A production method of a light water-resistant gypsum board is characterized by comprising the following steps: at least comprises the following steps:
a) scattering and frying the desulfurized gypsum to prepare calcined gypsum powder;
b) fully mixing the fly ash and the calcined gypsum powder, and grinding and modifying to prepare clinker;
c) adding water, a foaming agent, paper pulp, modified starch, a coagulant, silicone oil and a silicone oil catalyst into the clinker, and fully stirring to obtain uniform slurry;
d) the slurry is continuously poured between two layers of protective paper, and the gypsum board wet board is prepared by extrusion forming;
e) and solidifying, cutting, drying and trimming the wet gypsum board to obtain a finished product of the paper-surface gypsum board.
5. The method of producing a lightweight water-resistant gypsum board according to claim 4, wherein: and c), directly feeding the silicone oil in the step c) into a mixer after passing through an independent silicone oil emulsifying system.
6. The utility model provides a production facility of water-fast gypsum board of light which characterized in that: the method comprises the following steps:
a raw material storage module: comprises a clean water tank, a paper pulp tank, a foaming tank, a compressed air tank and an emulsifying machine;
a mixing module: comprises a mixer;
an additive addition module; comprises a coagulant bin, a starch bin and a silicone oil catalyst bin;
a silicone oil emulsification module: comprises a silicone oil tank, a mixing pump and a silicone oil emulsifying machine;
the clear water jar with the mixing pump the emulsion machine the machine that mixes links to each other, the pulp jar with mix the machine and link to each other, the foaming jar passes through the emulsion machine with mix the machine and link to each other, the compressed air jar with the emulsion machine links to each other, set accelerator storehouse starch storehouse silicone oil catalyst storehouse respectively with mix the machine and link to each other, the silicone oil jar passes through the mixing pump the silicone oil emulsion machine with mix the machine and link to each other.
7. The apparatus for producing a lightweight water-resistant gypsum board as claimed in claim 6, wherein: the raw material storage module further comprises a metering clean water pump and a metering pulp pump, the metering clean water pump is arranged between the clean water pump and the mixing machine, and the metering pulp pump is arranged between the pulp tank and the mixing machine.
8. The apparatus for producing a lightweight water-resistant gypsum board as claimed in claim 6, wherein: the silicone oil emulsification module further comprises a metering pump, and the metering pump is arranged between the silicone oil tank and the mixing pump.
9. The apparatus for producing a lightweight water-resistant gypsum board as claimed in claim 6, wherein: the additive adding module further comprises a mixing reamer and a conveying reamer, one end of the mixing reamer is respectively connected with the coagulation accelerator bin, the starch bin and the silicone oil catalyst bin, the other end of the mixing reamer is connected with one end of the conveying reamer, and the other end of the conveying reamer is connected with the mixing machine.
10. The apparatus for producing a lightweight water-resistant gypsum board according to any one of claims 6 to 9, wherein: the mixer adopts a vertical mixer.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111791370A (en) * | 2020-06-30 | 2020-10-20 | 故城北新建材有限公司 | Water-resistant gypsum board production system and production method |
CN111791340A (en) * | 2020-06-30 | 2020-10-20 | 故城北新建材有限公司 | A surfactant interpolation device for production of water-fast gypsum board |
CN111792904A (en) * | 2020-06-30 | 2020-10-20 | 淮南北新建材有限公司 | Water-resistant paper-surface gypsum board and preparation system |
CN112390609A (en) * | 2020-11-19 | 2021-02-23 | 北新建材(陕西)有限公司 | Water absorption rate reduction method for waterproof paper-surface gypsum board and mixed slurry preparation device |
CN114105591A (en) * | 2021-12-15 | 2022-03-01 | 井冈山北新建材有限公司 | Waterproof gypsum board and preparation process thereof |
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CN111791370A (en) * | 2020-06-30 | 2020-10-20 | 故城北新建材有限公司 | Water-resistant gypsum board production system and production method |
CN111791340A (en) * | 2020-06-30 | 2020-10-20 | 故城北新建材有限公司 | A surfactant interpolation device for production of water-fast gypsum board |
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CN111791370B (en) * | 2020-06-30 | 2021-10-19 | 故城北新建材有限公司 | Water-resistant gypsum board production system and production method |
CN112390609A (en) * | 2020-11-19 | 2021-02-23 | 北新建材(陕西)有限公司 | Water absorption rate reduction method for waterproof paper-surface gypsum board and mixed slurry preparation device |
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