CN112025932A - Forming method of prefabricated hollow wallboard - Google Patents
Forming method of prefabricated hollow wallboard Download PDFInfo
- Publication number
- CN112025932A CN112025932A CN202010958104.9A CN202010958104A CN112025932A CN 112025932 A CN112025932 A CN 112025932A CN 202010958104 A CN202010958104 A CN 202010958104A CN 112025932 A CN112025932 A CN 112025932A
- Authority
- CN
- China
- Prior art keywords
- curing
- plate
- forming
- vacuum
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 239000004575 stone Substances 0.000 claims abstract description 5
- 239000004568 cement Substances 0.000 claims abstract description 4
- 238000013461 design Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract description 4
- 239000012257 stirred material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000002893 slag Substances 0.000 description 12
- 239000002699 waste material Substances 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 239000010881 fly ash Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002352 surface water Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- -1 silt Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
-
- 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
- B28B11/245—Curing concrete articles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a method for forming a prefabricated hollow wallboard, which comprises the following steps: step S1: stirring siliceous materials including natural stone powder, cement and fibers; step S2: pressurizing the stirred material in a vacuum state to enhance the compactness of the plate; step S3: extruding and molding through a special or customized mold; step S4: the extruded molding plate enters a curing kiln for primary curing to gradually harden; step S5: cutting and processing the plate according to the size requirement of a design or a customer; step S6: the extruded sheet is cured in high temperature and high pressure kiln and high pressure kettle for the second time to raise the strength of the sheet and the permanent strength of the sheet. The invention has high strength, high compactness, strong rigidity and large span support, thereby saving steel consumption in installation, greatly reducing upright posts and keels, improving the aesthetic effect and having great economy.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a forming method of a prefabricated hollow wallboard.
Background
With the advance of building and housing industrialization, the prefabricated lightweight wall panel used as a matching structure with high-rise buildings and frame structures gradually becomes a main component part of the current wall material and an inevitable development trend. The prefabricated hollow wallboard is used as a novel wall material, has wide application, is mainly used as an inner wall, an outer wall, a roof panel, a floor slab, a wall and the like, has the advantages of light dead weight, good heat preservation, good shock resistance, convenient and quick construction and installation, increased indoor use area, reduced labor intensity, improved building quality, proper construction cost and the like, and is gradually improved in application proportion in each city at present.
The steel slag is waste slag produced in steel-making industry, and the mineral composition of the steel slag comprises olivine, dicalcium silicate, tricalcium silicate and a small amount of free calcium oxide, magnesium oxide, vitreous body and other components. The calcium oxide powder has certain hydration self-hardening capacity, can better solve the expansion problem of free calcium oxide and magnesium oxide after activation treatment of slag disintegration and ultrafine powder, and has certain activity. The fly ash furnace bottom slag is waste slag formed by discharging fly ash and sediment at the bottom of a boiler together in a thermal power plant, and mainly comprises silicate, aluminosilicate, silicon oxide, sulfate and the like. The fly ash furnace bottom slag has the characteristics of low activity and light weight, and the microstructure of the fly ash furnace bottom slag is fibrous and can play a fiber reinforcement role for prefabricated wallboard products.
The construction waste is construction waste generated by human or natural reasons in engineering and comprises waste residue soil, waste soil, silt, waste materials and the like. A large amount of construction waste is randomly stacked, not only occupies land, but also pollutes the environment, and directly or indirectly influences the air quality, leaving many potential safety hazards. In addition, in the stacking and landfill processes, leachate or leachate which is sewage seeped by fermentation, rainwater leaching and washing and surface water and underground water soaking can cause serious pollution to the surrounding surface water and underground water.
Therefore, the steel slag powder, the fly ash furnace bottom slag and the construction waste can be regarded as idle resources and pollution sources as industrial solid wastes, if the steel slag powder, the fly ash furnace bottom slag and the construction waste are used as raw materials to prepare the prefabricated hollow wallboard according to respective characteristics, the prefabricated hollow wallboard is beneficial to recycling, not only can the stockpiling site be saved, the existing raw materials are replaced, the resources are saved, the production cost is reduced, but also the environment can be protected, and the reasonable allocation of the resources is promoted.
Disclosure of Invention
The present invention is directed to a method for forming a prefabricated hollow panel to solve the above problems.
In order to achieve the purpose, the invention discloses a forming method of a prefabricated hollow wallboard, which comprises the following steps:
step S1: stirring siliceous materials including natural stone powder, cement and fibers;
step S2: pressurizing the stirred material in a vacuum state to enhance the compactness of the plate;
step S3: the special or customized die is used for extrusion molding, and the molding of different plates can be realized by adjusting different dies;
step S4: the extruded molding plate enters a curing kiln for primary curing to gradually harden;
step S5: cutting and processing the plate according to the size requirement of a design or a customer;
step S6: carrying out secondary curing on the extruded and molded plate in a high-temperature and high-pressure curing kiln and a high-pressure autoclave so as to rapidly increase the strength of the plate and pull up the permanent strength of the plate;
step S7: and (4) carrying out surface grinding treatment, surface finishing treatment, pre-coating paint or composite treatment after maintenance.
Further, the vacuum degree in the step S2 is 9.5MPa to 10.5MPa, and the step S2 includes:
s21: feeding the material obtained in the step S1 into a high-pressure vacuum production line, and extruding the material by vacuum pressurization;
s22: the vacuum pressure is gradually increased to 9.5MPa-10.5MPa, and finally the extrusion forming is carried out.
Further, the curing temperature of the curing kiln in the step S4 is 20-25 ℃, the optimal temperature is 25 ℃, and the curing time is 24 hours.
Further, in the step S6, the secondary curing temperature of the curing kiln or the autoclave is 260-320 ℃, the optimal temperature is 310 ℃, the curing time is 24 hours, and the curing pressure is 34.5 MPa.
Further, the step S7 includes:
s71: step S6, polishing and grinding the prefabricated hollow wallboard by a computer full-automatic grinding and cutting machine according to the program requirement;
s72: after the full-automatic grinding cutting machine polishes and grinds, corresponding patterns and textures are input in a computer according to customer requirements, and ideal texture color patterns are directly cut and sprayed through machine control.
Compared with the prior art, the invention has the advantages that:
1. the mixed material adopts a vacuum high-pressure extrusion molding process, and the plate has high compactness, is not seeped with water and is not cracked.
2. The strength is high, the compactness is high, the rigidity is strong, can support the large-span, consequently can save the steel consumption in the installation, reduces stand and fossil fragments in a large number, increases pleasing to the eye effect and has very big economic nature.
3. The material is compact, the surface water absorption is low, and waterproof treatment is not needed. Meanwhile, the water absorption rate is low, so that the high-performance water-absorbing material has strong freeze-thaw resistance, long service life and stable performance.
4. The board can be recycled, does not contain asbestos, has no harm to human bodies and no pollution, and meets the requirements of environmental protection.
5. Because of the hollow structure of the plate, the weight is light, the construction can be carried out without large-scale hoisting machinery, and the burden of the structure and the foundation of the building can be lightened.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic process flow diagram illustrating a method for forming a prefabricated hollow panel according to a preferred embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The embodiment of the invention discloses a method for forming a prefabricated hollow wallboard, which comprises the following steps:
step S1: stirring siliceous materials including natural stone powder, cement and fibers;
step S2: pressurizing the stirred material in a vacuum state to enhance the compactness of the plate;
step S3: the special or customized die is used for extrusion molding, and the molding of different plates can be realized by adjusting different dies;
step S4: the extruded molding plate enters a curing kiln for primary curing to gradually harden;
step S5: cutting and processing the plate according to the size requirement of a design or a customer;
step S6: carrying out secondary curing on the extruded and molded plate in a high-temperature and high-pressure curing kiln and a high-pressure autoclave so as to rapidly increase the strength of the plate and pull up the permanent strength of the plate;
step S7: the surface after maintenance is ground, and surface finishing treatment, pre-coating paint or composite treatment of other materials such as stone, ceramic tiles and the like can be carried out according to the requirements of customers.
In the present embodiment, the degree of vacuum in step S2 is 9.5MPa to 10.5MPa, and step S2 includes:
s21: the material obtained in the step S1 enters a high-pressure vacuum production line and is extruded by vacuum pressurization
S22: the final extrusion forming is carried out by gradually increasing the vacuum pressure to 10MPa
In this embodiment, the curing temperature of the curing kiln in step S4 is 23 ℃, the optimum temperature is 25 ℃, the curing time is 24h, and the curing is natural.
In this example, in step S6, the secondary curing temperature of the curing kiln or autoclave was 310 ℃, the curing time was 24 hours, and the curing pressure was 34.5 MPa.
In the present embodiment, step S7 includes:
s71: step S6, polishing and grinding the prefabricated hollow wallboard by a computer full-automatic grinding and cutting machine according to the program requirement;
s72: after the full-automatic grinding cutting machine polishes and grinds, corresponding patterns and textures are input in a computer according to customer requirements, and ideal texture color patterns are directly cut and sprayed through machine control.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A method of forming a prefabricated hollow panel, comprising the steps of:
step S1: stirring siliceous materials including natural stone powder, cement and fibers;
step S2: pressurizing the stirred material in a vacuum state to enhance the compactness of the plate;
step S3: the special or customized die is used for extrusion molding, and the molding of different plates can be realized by adjusting different dies;
step S4: the extruded molding plate enters a curing kiln for primary curing to gradually harden;
step S5: cutting and processing the plate according to the size requirement of a design or a customer;
step S6: carrying out secondary curing on the extruded and molded plate in a high-temperature and high-pressure curing kiln and a high-pressure autoclave so as to rapidly increase the strength of the plate and pull up the permanent strength of the plate;
step S7: and (4) carrying out surface grinding treatment, surface finishing treatment, pre-coating paint or composite treatment after maintenance.
2. The method of forming a precast hollow panel according to claim 1, wherein the degree of vacuum of the step S2 is 9.5MPa to 10.5MPa, and the step S2 comprises:
s21: feeding the material obtained in the step S1 into a high-pressure vacuum production line, and extruding the material by vacuum pressurization;
s22: the vacuum pressure is gradually increased to 9.5MPa-10.5MPa, and finally the extrusion forming is carried out.
3. The method of forming a prefabricated hollow panel according to claim 1, wherein the curing temperature of the curing kiln in the step S4 is 20 to 25 ℃, the optimum temperature is 25 ℃ and the curing time is 24 hours.
4. The method as claimed in claim 1, wherein the secondary curing temperature of the curing kiln or autoclave in the step S6 is 260 ℃ and 320 ℃, the optimum temperature is 310 ℃, the curing time is 24h, and the curing pressure is 34.5 MPa.
5. The method for forming a precast hollow wall panel as set forth in claim 1, wherein the step S7 includes:
s71: step S6, polishing and grinding the prefabricated hollow wallboard by a computer full-automatic grinding and cutting machine according to the program requirement;
s72: after the full-automatic grinding cutting machine polishes and grinds, corresponding patterns and textures are input in a computer according to customer requirements, and ideal texture color patterns are directly cut and sprayed through machine control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010958104.9A CN112025932A (en) | 2020-09-12 | 2020-09-12 | Forming method of prefabricated hollow wallboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010958104.9A CN112025932A (en) | 2020-09-12 | 2020-09-12 | Forming method of prefabricated hollow wallboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112025932A true CN112025932A (en) | 2020-12-04 |
Family
ID=73589052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010958104.9A Pending CN112025932A (en) | 2020-09-12 | 2020-09-12 | Forming method of prefabricated hollow wallboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112025932A (en) |
-
2020
- 2020-09-12 CN CN202010958104.9A patent/CN112025932A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101486550B (en) | Domestic garbage prefabricated part and method of manufacturing the same | |
| CN108358540B (en) | Multi-color concrete decorative plate material and preparation method thereof | |
| CN103058613A (en) | Curb produced by using waste ceramic slag and waste road concrete and manufacturing method | |
| CN101608483A (en) | A kind of phosphogypsum composite autoclaved brick and preparation method thereof | |
| CN104876519A (en) | Method for preparing autoclaved sand-lime brick from lead-zinc tailings and recycled concrete aggregate | |
| CN103288471A (en) | Plant ash autoclaved concrete aerated light block and production method thereof | |
| CN112479667A (en) | Multielement solid waste concrete building block and preparation method thereof | |
| CN112876173A (en) | Ultrahigh-performance concrete pole and production method thereof | |
| CN112028556A (en) | Prefabricated hollow wallboard | |
| CN111233409A (en) | Method for preparing water-permeable non-fired product by utilizing shield muck | |
| CN113896475A (en) | Method for preparing high-strength baking-free solid bricks by using rock wool furnace bottom slag | |
| CN106747206B (en) | A kind of preparation method of modified marble powder low-temperature sintering artificial stone | |
| CN106587816B (en) | The method that steam-cured building block is prepared with wet-milling cullet | |
| CN112960922A (en) | Desulfurized fly ash based cementing material and preparation and application thereof | |
| CN112025932A (en) | Forming method of prefabricated hollow wallboard | |
| CN108793919A (en) | A kind of composite heat insulation block and preparation method thereof | |
| CN100528793C (en) | Catalytic gluing carbide slag brick | |
| KR101368681B1 (en) | Geopolymer Composition Using Waste Concrete Powders and Blastfurnace Slag Powders and its a manufacturing method | |
| CN101774221B (en) | Method for producing light and novel reinforced concrete wall materials by blending slag micropowder | |
| CN108218318B (en) | Non-bearing concrete hollow brick and preparation method thereof | |
| CN1186181C (en) | Technical method for producing prestress pipe pile of centrifugal strong concrete with fine grinding steel slag being mixed into | |
| CN107954650A (en) | A kind of environment-friendly type regeneration Concrete brick and preparation method thereof | |
| CN108343159A (en) | A kind of complete green assembled architecture technique | |
| KR960016062B1 (en) | Process for the preparation of artificial stone | |
| CN102795822B (en) | Method for producing light high-strength artistical cast stone from coal ash |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201204 |