CN113998979A - Inorganic welding agent, preparation method and assembly type building connection method - Google Patents
Inorganic welding agent, preparation method and assembly type building connection method Download PDFInfo
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- CN113998979A CN113998979A CN202111370152.7A CN202111370152A CN113998979A CN 113998979 A CN113998979 A CN 113998979A CN 202111370152 A CN202111370152 A CN 202111370152A CN 113998979 A CN113998979 A CN 113998979A
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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
- C04B28/30—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 magnesium cements or similar 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
- C04B2111/00646—Masonry mortars
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The application relates to the field of inorganic building materials, and discloses an inorganic welding agent, a preparation method and an assembly type building connection method, wherein the inorganic welding agent comprises the following components in parts by weight: 30-40 parts of Portland cement, 20-30 parts of magnesium oxide, 15-25 parts of magnesium sulfate, 30-40 parts of river sand, 15-25 parts of quicklime, 8-10 parts of anhydrous calcium chloride and 1-2 parts of rock fluid. The inorganic welding agent and the polymer rock composite bearing plate can be well cemented together, no crack is generated after final setting for 30 days, and the inorganic welding agent is high in drying speed and meets the construction requirements of an assembly type building.
Description
Technical Field
The application relates to the field of inorganic building materials, and mainly relates to an inorganic welding agent, a preparation method and an assembly type building connection method.
Background
The fabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode.
The existing assembly type building connection modes comprise two types, one type is dry connection, the other type is wet connection, the dry connection is generally welding connection, bolt connection, rivet connection and the like, and the wet connection mainly adopts a mode of pouring concrete on site.
The applicant provides a new bearing wall for fabricated buildings, and filed a patent application with application number 202111217181X at 10/19/2021 with the name of a rock-gathering composite bearing plate and a preparation method thereof.
The applicant finds that when the polymer-rock composite bearing plate is used for assembly, if a connection mode of cast-in-place concrete is adopted between the polymer-rock composite bearing plates, cracks can easily occur between the concrete and the polymer-rock composite bearing plates, and the strength of the fabricated building can be relatively reduced.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the application aims to provide an inorganic welding agent, a preparation method and an assembly type building connection method, and aims to solve the problem that cracks occur when the rock-polymer composite bearing plate is connected by adopting the existing concrete pouring.
The technical scheme of the application is as follows:
an inorganic welding agent comprises the following components in parts by weight:
30-40 parts of Portland cement, 20-30 parts of magnesium oxide, 15-25 parts of magnesium sulfate, 30-40 parts of river sand, 15-25 parts of quicklime, 8-10 parts of anhydrous calcium chloride and 1-2 parts of rock fluid.
The inorganic welding agent is configured according to the material characteristics of the polymer-rock composite bearing plate, the inorganic welding agent and the polymer-rock composite bearing plate can be well cemented together, no crack is generated after final setting for 30 days, and the inorganic welding agent is high in drying speed and meets the construction requirements of the fabricated building.
The inorganic welding agent comprises the following raw materials in parts by weight:
9-11 parts of methylene dinaphthalene sodium sulfonate, 0.9-1.1 parts of dodecyl phenol polyoxyethylene ether, 0.4-0.6 part of calcium formate, 80-120 parts of water, 5-7 parts of water glass and 0.7-0.9 part of water-based organic silicon waterproof agent. The rock-gathering liquid is equivalent to a modifier, so that the inorganic welding agent is emulsified and wetted, and can be better attached to the solidified and condensed rock-gathering composite bearing plate.
The inorganic welding agent comprises the following raw materials in parts by weight:
6-8 parts of bauxite and 4-6 parts of quartz powder. The quartz powder plays roles of strengthening and resisting pressure; bauxite is used to further improve the fire resistance of inorganic solder.
The inorganic welding agent comprises the following components in parts by weight:
35 parts of Portland cement, 25 parts of magnesium oxide, 20 parts of magnesium sulfate, 35 parts of river sand, 20 parts of quicklime, 9 parts of anhydrous calcium chloride and 1.5 parts of rock fluid.
The inorganic welding agent comprises the following raw materials in parts by weight:
10 parts of methylene dinaphthalene sodium sulfonate, 1.0 part of dodecyl phenol polyoxyethylene ether, 0.5 part of calcium formate, 100 parts of water, 6 parts of water glass and 0.8 part of water-based organic silicon waterproof agent.
The inorganic welding agent comprises the following raw materials in parts by weight:
7 parts of bauxite and 5 parts of quartz powder.
A method for preparing an inorganic solder as described above, comprising the steps of:
the raw materials of the inorganic welding agent are evenly stirred.
The preparation method of the inorganic welding agent is characterized in that the stirring speed is more than 600 revolutions per minute.
The preparation method of the inorganic welding agent further comprises the following steps:
preparing a rock-gathering liquid: the rock-gathering liquid is stirred and mixed evenly at the temperature of 60-70 ℃ and the pressure of 1.5-1.7 Mpa.
A method of connecting prefabricated buildings, comprising the steps of:
arranging baffle plates at two sides of the gap between the two rock gathering bearing plates to enclose the gap;
injecting the inorganic solder into the enclosed gap;
and after the inorganic welding agent is solidified, removing the baffle.
Has the advantages that: the inorganic welding agent and the polymer rock composite bearing plate can be well cemented together, no crack is generated after final setting for 30 days, and the inorganic welding agent is high in drying speed and meets the construction requirements of an assembly type building.
Detailed Description
The present application provides an inorganic welding agent, a preparation method thereof and an assembly type building connection method, and the following further detailed description is provided in order to make the purpose, technical scheme and effect of the present application clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The applicant provides a new bearing wall for an assembled building with application number 202111217181X, and filed a patent application at 10/19 in 2021, entitled polymeric rock composite bearing plate and a preparation method thereof, and the technical scheme is as follows:
the polymer rock composite bearing plate comprises a polymer rock material and a heat insulation layer; the heat-insulating layer is composed of at least two hollow foamed cement blocks, and a space is reserved between every two hollow foamed cement blocks; the polymer rock material is wrapped on the surface of the foamed cement blocks and filled between the foamed cement blocks;
the polymer rock material comprises the following components in parts by weight:
30-40 parts of Portland cement, 1-3 parts of silica fume, 3-5 parts of carbon fiber, 1-3 parts of steel fiber, 20-30 parts of magnesium oxide, 15-25 parts of magnesium sulfate, 35-45 parts of straw fiber and 1-1.4 parts of rock-gathering liquid;
the rock-gathering liquid comprises the following raw materials in parts by weight:
9-11 parts of NNO (sodium methylenedinaphthalene sulfonate), 0.9-1.1 part of trisodium phosphate, 0.4-0.6 part of calcium formate, 0.9-1.1 part of OP-10 (dodecyl phenol polyoxyethylene ether), 80-120 parts of water, 5-7 parts of water glass, 6-8 parts of bauxite, 0.7-0.9 part of a water-based organic silicon waterproof agent, 4-6 parts of quartz powder, 10-12 parts of microcrystalline cellulose, 8-12 parts of aluminum stearate and 4-6 parts of potassium lauryl alcohol ether phosphate.
Each rock-gathering composite bearing plate comprises 4 foamed cement blocks, the 4 foamed cement blocks are distributed in a shape like a Chinese character 'tian', and the distance between the foamed cement blocks is 20-30 mm. The specification of the foaming cement can be 570mm in length, 470mm in width and 140mm in height, and the specification of the polymer-rock composite bearing plate is 2800 and 3400mm in length, 600 and 1200mm in width, and 180 and 240mm in thickness.
The preparation method of the polymer rock composite bearing plate comprises the following steps:
preparing a rock-gathering liquid: adding the raw materials of the rock-gathering liquid into a reaction kettle, and stirring and mixing uniformly at 60-70 ℃ and 1.5-1.7 Mpa;
preparing a rock polymer material: stirring portland cement, silica fume, carbon fiber, steel fiber, magnesium oxide, magnesium sulfate, straw fiber and rock-gathering liquid for 3-5 minutes by using a high-speed stirrer, and uniformly stirring; wherein the high-speed stirring speed is more than 600 revolutions per minute;
preparing a polymer rock composite bearing plate: pouring a layer of rock-gathering material with the thickness of 15-30mm into a mould, adding foamed cement blocks with the distance of 20-30mm, pouring a layer of rock-gathering material with the thickness of 15-30mm, standing at 30 +/-2 ℃ for 12 hours, and demoulding.
In order to improve the connection condition between the polymer rock composite bearing plates and aim at the material characteristics of the polymer rock composite bearing plates, the application provides an inorganic welding agent special for connection of the polymer rock composite bearing plates, which comprises the following components in parts by weight:
30-40 parts of Portland cement, 20-30 parts of magnesium oxide, 15-25 parts of magnesium sulfate, 30-40 parts of river sand, 15-25 parts of quicklime, 8-10 parts of anhydrous calcium chloride and 1-2 parts of rock fluid.
The rock-gathering liquid comprises the following raw materials in parts by weight:
9-11 parts of NNO (sodium methylene dinaphthalene sulfonate), 0.9-1.1 part of OP-10 (dodecyl phenol polyoxyethylene ether), 0.4-0.6 part of calcium formate, 80-120 parts of water, 5-7 parts of water glass, 0.7-0.9 part of water-based organic silicon waterproof agent, 6-8 parts of bauxite and 4-6 parts of quartz powder.
Because the similar substances are easier to fuse, the main raw materials adopted in the inorganic welding agent are the same as the polymeric rock composite bearing plate, and the combination of the polymeric rock composite bearing plate and the inorganic welding agent is more facilitated by adjusting some raw materials. The silicate in the Portland cement is beneficial to the penetration of the inorganic welding agent into the capillary pores of the polymer-rock composite bearing plate, and the combination between the polymer-rock composite bearing plate and the inorganic welding agent is promoted. The quicklime has a certain micro-expansion effect, so that the interface between the polymer rock composite bearing plate and the inorganic welding agent is more tightly combined. The quicklime and the anhydrous calcium chloride can improve the drying speed of the inorganic welding machine and improve the construction efficiency.
The rock-gathering liquid is equivalent to a modifier, so that the inorganic welding agent is emulsified and wetted, and can be better attached to the solidified and condensed rock-gathering composite bearing plate. The OP-10 and NNO are combined, so that the cementation property of the inorganic welding agent can be improved, the crack is avoided, and the fitting degree with the polymer rock composite bearing plate can be improved; the calcium formate has a certain anticorrosion effect, is beneficial to the stable existence of straw fibers in the polymer rock composite bearing plate, does not precipitate substances which are not beneficial to condensation, and further reduces the possibility of crack generation; the water-based organic silicon waterproof agent and the water glass both have good cohesiveness, and can improve the adhesion of the inorganic welding agent and the polymer rock composite bearing plate. The quartz powder plays roles of strengthening and resisting pressure; bauxite is used to further improve the fire resistance of inorganic solder. When the rock-gathering liquid is mixed with other raw materials, the inorganic welding agent and the rock-gathering composite bearing plate can be well cemented together, and no crack is generated.
The embodiment scheme of the application also provides a most preferable embodiment scheme, and the inorganic welding agent comprises the following components in parts by weight:
35 parts of Portland cement, 25 parts of magnesium oxide, 20 parts of magnesium sulfate, 35 parts of river sand, 20 parts of quick lime, 9 parts of anhydrous calcium chloride and 1.5 parts of rock fluid;
the rock-gathering liquid comprises the following raw materials in parts by weight:
10 parts of NNO (sodium methylene dinaphthalene sulfonate), 1.0 part of OP-10 (dodecyl phenol polyoxyethylene ether), 0.5 part of calcium formate, 100 parts of water, 6 parts of water glass, 0.8 part of a water-based organic silicon waterproof agent, 7 parts of bauxite and 5 parts of quartz powder.
The application also provides a preparation method of the inorganic welding agent, which comprises the following steps:
preparing a rock-gathering liquid: adding the raw materials of the rock-gathering liquid into a reaction kettle, and stirring and mixing uniformly at 60-70 ℃ and 1.5-1.7 Mpa;
preparing an inorganic welding agent: the raw materials of the inorganic welding agent are stirred for 3 to 5 minutes by a high-speed stirrer (more than 600 revolutions per minute) and are uniformly stirred, and then the inorganic welding agent can be used for the connection of the assembly type building.
The application also provides an assembly type building connecting method, which comprises the following steps:
arranging baffle plates at two sides of the gap between the two rock gathering bearing plates to enclose the gap;
injecting an inorganic solder into the enclosed gap;
and after the inorganic welding agent is solidified, removing the baffle.
The inorganic welding agent is suitable for connection between the polymer rock composite bearing plates after the formula is adjusted, and meanwhile, the drying speed is high, the initial setting time is within 10 minutes, and the final setting time is 30-60 minutes.
The present application is further illustrated by the following specific examples.
Example 1
Preparing a rock-gathering liquid: 9 parts of NNO (methylene dinaphthalene sodium sulfonate), 0.9 part of OP-10 (dodecyl phenol polyoxyethylene ether), 0.4 part of calcium formate, 80 parts of water, 5 parts of water glass, 0.7 part of water-based organosilicon waterproofing agent, 6 parts of bauxite and 4 parts of quartz powder are added into a reaction kettle and stirred and mixed uniformly at the temperature of 60 ℃ and the pressure of 1.5 Mpa.
Preparing an inorganic welding agent: 30 parts of Portland cement, 20 parts of magnesium oxide, 15 parts of magnesium sulfate, 30 parts of river sand, 15 parts of quicklime, 8 parts of anhydrous calcium chloride and 1 part of rock-gathering liquid are stirred for 3 minutes at 680 revolutions per minute by a high-speed stirrer and are uniformly stirred, so that the cement paste can be used.
Example 2
Preparing a rock-gathering liquid: 10 parts of NNO (sodium methylene dinaphthalenesulfonate), 1.0 part of OP-10 (dodecyl phenol polyoxyethylene ether), 0.5 part of calcium formate, 100 parts of water, 6 parts of water glass, 0.8 part of water-based organosilicon waterproofing agent, 7 parts of bauxite and 5 parts of quartz powder are added into a reaction kettle and stirred and mixed uniformly at 65 ℃ and 1.6 Mpa.
Preparing an inorganic welding agent: 35 parts of Portland cement, 25 parts of magnesium oxide, 20 parts of magnesium sulfate, 35 parts of river sand, 20 parts of quicklime, 9 parts of anhydrous calcium chloride and 1.5 parts of rock-gathering liquid, stirring for 4 minutes at 680 revolutions per minute by using a high-speed stirrer, and uniformly stirring to obtain the cement.
Example 3
Preparing a rock-gathering liquid: 11 parts of NNO (sodium methylene dinaphthalenesulfonate), 1.1 parts of OP-10 (dodecyl phenol polyoxyethylene ether), 0.6 part of calcium formate, 120 parts of water, 7 parts of water glass, 0.9 part of a water-based organic silicon waterproof agent, 8 parts of bauxite and 6 parts of quartz powder are added into a reaction kettle and stirred and mixed uniformly at 70 ℃ and 1.7 Mpa.
Preparing an inorganic welding agent: 40 parts of portland cement, 30 parts of magnesium oxide, 25 parts of magnesium sulfate, 40 parts of river sand, 25 parts of quicklime, 10 parts of anhydrous calcium chloride and 2 parts of rock-gathering liquid are stirred for 5 minutes at 680 revolutions per minute by a high-speed stirrer and are uniformly stirred, so that the cement paste can be used.
Comparative example:
preparing an inorganic welding agent: 35 parts of Portland cement, 25 parts of magnesium oxide, 20 parts of magnesium sulfate, 35 parts of river sand, 20 parts of quicklime and 9 parts of anhydrous calcium chloride, and stirring the mixture for 4 minutes at 680 revolutions per minute by using a high-speed stirrer, and uniformly stirring the mixture to obtain the cement.
The inorganic welding agents obtained in the examples 1-3 and the comparison example are subjected to performance tests, the compressive strength is tested according to GB/T50081-2002 and GB/T50082-2009, the breaking strength is tested according to GB/175-. The test results were as follows:
example 1: initial setting time: 8min, final setting time: 55 min; compressive strength (after 50 freeze-thaw cycles): 27.6 MPa; flexural strength (after 50 freeze-thaw cycles): 35.1 MPa; anti-dehalogenation: no water drops.
Example 2: initial setting time: 5min, final setting time: 40 min; compressive strength (after 50 freeze-thaw cycles): 28.5 MPa; flexural strength (after 50 freeze-thaw cycles): 36.7 MPa; anti-dehalogenation: no water drops.
Example 3: initial setting time: 6min, final setting time: 45 min; compressive strength (after 50 freeze-thaw cycles): 27.9 MPa; flexural strength (after 50 freeze-thaw cycles): 35.8 MPa; anti-dehalogenation: no water drops.
Comparative example: initial setting time: 7min, final setting time: 50 min; compressive strength (after 50 freeze-thaw cycles): 20.3 MPa; flexural strength (after 50 freeze-thaw cycles): 28.6 MPa; anti-dehalogenation: no water drops.
In the polymer rock composite bearing plate for testing, the polymer rock material comprises the following components in parts by weight:
35 parts of Portland cement, 2 parts of silica fume, 4 parts of carbon fiber, 2 parts of steel fiber, 25 parts of magnesium oxide, 20 parts of magnesium sulfate, 40 parts of straw fiber and 1.2 parts of rock-gathering liquid;
the rock-gathering liquid comprises the following raw materials in parts by weight:
10 parts of NNO (sodium methylenedinaphthalene sulfonate), 1 part of trisodium phosphate, 0.5 part of calcium formate, 1 part of OP-10 (dodecyl phenol polyoxyethylene ether), 100 parts of water, 6 parts of water glass, 7 parts of bauxite, 0.8 part of a water-based organic silicon waterproof agent, 5 parts of quartz powder, 11 parts of microcrystalline cellulose, 10 parts of aluminum stearate and 5 parts of potassium lauryl alcohol ether phosphate.
The polymer rock composite bearing plate used for testing comprises 4 foamed cement blocks, the 4 foamed cement blocks are distributed in a shape like a Chinese character 'tian', the distance between the foamed cement blocks is 25mm, the specification of the foamed cement is 570mm in length, 470mm in width and 140mm in height, and the specification of the polymer rock composite bearing plate is 3300mm in length, 1000mm in width and 180mm in thickness.
The method comprises the steps of selecting 8 rock-gathering composite bearing plates, dividing the bearing plates into four groups, wherein each group of two rock-gathering composite bearing plates are provided, and the distance between the two rock-gathering composite bearing plates is 1.5 cm. The inorganic welding agents obtained in examples 1 to 3 and comparative example were subjected to a crack test, the inorganic welding agents were injected into gaps between the polymeric rock composite bearing plates, and the number of cracks was observed 30 days after the inorganic welding agents were finally set. The results are as follows:
example 1: has no crack.
Example 2: has no crack.
Example 3: has no crack.
Comparative example: there were 4 cracks.
It should be understood that the application of the present application is not limited to the above examples, and that modifications or changes may be made by those skilled in the art based on the above description, and all such modifications and changes are intended to fall within the scope of the appended claims.
Claims (10)
1. The inorganic welding agent is characterized by comprising the following components in parts by weight:
30-40 parts of Portland cement, 20-30 parts of magnesium oxide, 15-25 parts of magnesium sulfate, 30-40 parts of river sand, 15-25 parts of quicklime, 8-10 parts of anhydrous calcium chloride and 1-2 parts of poly rock liquid.
2. The inorganic welding agent according to claim 1, wherein the poly-rock fluid comprises the following raw materials in parts by weight:
9-11 parts of methylene dinaphthalene sodium sulfonate, 0.9-1.1 parts of dodecyl phenol polyoxyethylene ether, 0.4-0.6 part of calcium formate, 80-120 parts of water, 5-7 parts of water glass and 0.7-0.9 part of water-based organic silicon waterproof agent.
3. The inorganic welding agent according to claim 2, wherein the rock-gathering liquid further comprises the following raw materials in parts by weight:
6-8 parts of bauxite and 4-6 parts of quartz powder.
4. The inorganic solder according to claim 1, wherein the inorganic solder comprises the following components in parts by weight:
35 parts of Portland cement, 25 parts of magnesium oxide, 20 parts of magnesium sulfate, 35 parts of river sand, 20 parts of quicklime, 9 parts of anhydrous calcium chloride and 1.5 parts of rock fluid.
5. The inorganic welding agent according to claim 4, wherein the poly-rock fluid comprises the following raw materials in parts by weight:
10 parts of methylene dinaphthalene sodium sulfonate, 1.0 part of dodecyl phenol polyoxyethylene ether, 0.5 part of calcium formate, 100 parts of water, 6 parts of water glass and 0.8 part of water-based organic silicon waterproof agent.
6. The inorganic welding agent according to claim 5, wherein the rock-gathering liquid further comprises the following raw materials in parts by weight:
7 parts of bauxite and 5 parts of quartz powder.
7. A method for producing an inorganic solder according to any one of claims 1 to 6, comprising the steps of:
the raw materials of the inorganic welding agent are evenly stirred.
8. The method of producing an inorganic solder according to claim 7, wherein the stirring speed is 600 rpm or more.
9. The method for producing an inorganic solder according to claim 7, further comprising the steps of:
preparing a rock-gathering liquid: the rock-gathering liquid is stirred and mixed evenly at the temperature of 60-70 ℃ and the pressure of 1.5-1.7 Mpa.
10. A method of connecting prefabricated structures comprising the steps of:
arranging baffle plates at two sides of a gap between the two rock gathering bearing plates to enclose the gap;
injecting the inorganic solder according to any one of claims 1 to 6 into the enclosed gap;
and after the inorganic welding agent is solidified, removing the baffle.
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| CN110698168A (en) * | 2019-11-19 | 2020-01-17 | 南京林业大学 | Inorganic gelled biomass functional decorative plate and preparation method thereof |
| CN111660401A (en) * | 2020-05-22 | 2020-09-15 | 余景春 | Formaldehyde-free mineral glue density board and preparation process thereof |
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- 2021-11-18 CN CN202111370152.7A patent/CN113998979B/en active Active
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|---|---|---|---|---|
| CN106882933A (en) * | 2017-01-18 | 2017-06-23 | 宁波大学 | A kind of anti-folding magnesium oxysulfide base inorganic composite gel material high |
| CN109734411A (en) * | 2019-02-28 | 2019-05-10 | 河北科技大学 | A kind of preparation method of Water Resistant Magnesium Oxychloride based cementitious material |
| CN110698168A (en) * | 2019-11-19 | 2020-01-17 | 南京林业大学 | Inorganic gelled biomass functional decorative plate and preparation method thereof |
| CN111660401A (en) * | 2020-05-22 | 2020-09-15 | 余景春 | Formaldehyde-free mineral glue density board and preparation process thereof |
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