CN113958041A - Assembled pipeline integrated foamed cement partition board, mold box and production method thereof - Google Patents

Assembled pipeline integrated foamed cement partition board, mold box and production method thereof Download PDF

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Publication number
CN113958041A
CN113958041A CN202111501552.7A CN202111501552A CN113958041A CN 113958041 A CN113958041 A CN 113958041A CN 202111501552 A CN202111501552 A CN 202111501552A CN 113958041 A CN113958041 A CN 113958041A
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China
Prior art keywords
partition board
foamed cement
cement partition
box
reinforcement cage
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CN202111501552.7A
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Chinese (zh)
Inventor
杨立峰
张良奇
应利民
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Priority to CN202111501552.7A priority Critical patent/CN113958041A/en
Publication of CN113958041A publication Critical patent/CN113958041A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74Removable non-load-bearing partitions; Partitions with a free upper edge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/14Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
    • B28B11/145Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for dividing block-shaped bodies of expanded materials, e.g. cellular concrete
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/16Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • B28B7/186Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for plates, panels or similar sheet- or disc-shaped objects, also flat oblong moulded articles with lateral openings, e.g. panels with openings for doors or windows, grated girders
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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 hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E04C2/521Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Producing Shaped Articles From Materials (AREA)

Abstract

Assembled pipeline integration foaming cement partition plate, including foaming cement partition plate body, set up at least one through-hole of placing the pipeline usefulness along the axis direction of foaming cement partition plate body. The invention has the beneficial effects that: the wall panel is light in weight, low in heat conductivity coefficient and suitable for being used as an external wall self-insulation wall panel. Particularly, the pipeline through hole is formed in the invention and used for placing the pipeline, so that a grooving process in the subsequent decoration process is avoided, the cost is saved, the subsequent decoration is attractive, and the environment is not polluted secondarily.

Description

Assembled pipeline integrated foamed cement partition board, mold box and production method thereof
Technical Field
The invention belongs to the technical field of building engineering, and particularly relates to a foamed cement wallboard and a preparation method of the foamed cement wallboard.
Background
The light cement foamed partition board is produced with industrial and agricultural solid waste, such as flyash, coal gangue, quartz sand, tailing sand, rice chaff, wheat straw, cotton stalk, saw dust, etc. as material and has the lowest heat conductivity coefficient. The cement heat-insulating core material simultaneously makes up the defects of flammability, permeability, toxicity and short service life of the traditional material.
In original foaming cement partition plate, can embed the steel reinforcement cage, as an organic whole through pouring the shaping. However, the existing foamed cement partition boards cannot bear pipelines. Generally, when in decoration, a decoration master opens a groove on the outer surface of the foamed cement partition board and places a pipeline in the groove, so that the construction brings inconvenience, the waste is serious, and the environment is polluted.
Disclosure of Invention
The invention aims to provide an assembled pipeline integrated foamed cement partition board, a mould box for producing the foamed cement partition board and a production method.
The technical scheme of the invention is as follows:
assembled pipeline integration foaming cement partition plate, including foaming cement partition plate body, set up at least one through-hole of placing the pipeline usefulness along the axis direction of foaming cement partition plate body.
The number of the through holes is at least two.
A production above-mentioned assembled pipeline integrates the mould box for foamed cement partition wall board, including the box of the upper open, the box boxboard of the width direction is divided into several and divided the board, the thickness of each divided board is identical to the foamed cement partition wall board thickness that needs to prepare and shape; arranging at least one perforation on each partition plate, wherein the number of the perforations is consistent with that of through holes arranged in the foamed cement partition plate to be prepared and molded, and arranging a threading rod in each perforation; and a steel reinforcement cage is arranged in the box body space corresponding to each plate, the threading rod penetrates through the steel reinforcement cage, and the contact position of the threading rod and the steel reinforcement cage is fixed by a retaining ring.
The outer layer of the threading rod is provided with a plastic pipe.
A production method of an assembled pipeline integrated foamed cement partition board comprises the following steps:
step 1, manufacturing a mould box and a reinforcement cage;
step 2, hoisting the mould box, and starting to stir the raw materials;
step 3, placing a reinforcement cage into the mold box;
step 4, placing a threading rod into the mold box, wherein the threading rod penetrates through the reinforcement cage and is fixed by a retaining ring at the contact position of the threading rod and the reinforcement cage;
step 5, pouring the stirred material into a mold box;
step 6, entering a pre-culture period;
step 7, after the pre-curing period is finished, drawing out the stringing rod;
step 8, extracting a mould box;
step 9, reversing the partition board;
step 10, cutting the whole foamed cement partition board in the mold box, and trimming after cutting;
and 11, performing steam curing on the cut and trimmed foamed cement partition board.
The stirring material is prepared by stirring 500 parts of portland cement, 20 parts of foaming agent hydrogen peroxide, 2.5 parts of foam stabilizer fatty acid methyl alcohol amide, 5 parts of potassium silicate accelerator and 200 parts of water according to the weight ratio to prepare foaming cement, pouring the foaming cement into a mould, and standing for foaming.
Placing the mixture in a kiln for steam curing for 8 to 12 hours.
The invention has the beneficial effects that: the wall panel is light in weight, low in heat conductivity coefficient and suitable for being used as an external wall self-insulation wall panel. Particularly, the pipeline through hole is formed in the invention and used for placing the pipeline, so that a grooving process in the subsequent decoration process is avoided, the cost is saved, the subsequent decoration is attractive, and the environment is not polluted secondarily.
Drawings
FIG. 1 is a schematic structural view of an assembled pipeline integrated foamed cement partition board according to the present invention;
FIG. 2 is a schematic structural diagram of a mold box for producing the fabricated pipeline integrated foamed cement partition board according to the present invention;
FIG. 3 is a schematic structural view of a reinforcement cage;
FIG. 4 is a schematic view of a mold box structure;
FIG. 5 is a flow chart of the production method of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in figure 1, the assembled pipeline integrated foamed cement partition board comprises a foamed cement partition board body 1, and at least one through hole 2 is formed in the axis direction of the foamed cement partition board body 1. The number of the through holes 2 can be set according to the requirement, and can be one, two or even more. When in decoration, a pipeline is arranged in the through hole 2.
As shown in fig. 2, 3 and 4, the mold box for producing the assembled pipeline integrated foamed cement partition board comprises a box body 3 with an opening at the upper part, the box plate 3 in the width direction is divided into a plurality of sub-plates 7, and the thickness of each sub-plate 7 is consistent with the thickness of the foamed cement partition board required to be prepared and molded. At least one perforation 6 is arranged on each partition plate 7, the number of the perforations 6 is consistent with the number of through holes arranged in the foamed cement partition plate to be prepared and molded, and a threading rod 8 is arranged in each perforation 6. In the box body space corresponding to each plate 7, a reinforcement cage 4 is arranged, a threading rod 8 penetrates through the reinforcement cage 4, and the contact position of the threading rod 8 and the reinforcement cage 4 is fixed by a retaining ring 5.
Preferably, in order to facilitate later-stage demolding, the plastic pipe is arranged on the outer layer of the threading rod 8, so that the foaming cement and the threading rod 8 are not adhered to each other during production, and the threading rod 8 is convenient to pull out.
As shown in fig. 5, the production method of the fabricated pipeline integrated foamed cement partition board comprises the following steps:
step 1, manufacturing a mould box 3 and a reinforcement cage 4;
step 2, hoisting the mould box 3, and starting to stir the raw materials;
step 3, placing a reinforcement cage 4 into the mold box 3;
step 4, placing a threading rod 8 into the mold box 3, wherein the threading rod 8 penetrates through the reinforcement cage 4, and the threading rod 8 is fixed by a retaining ring 5 at the contact position of the threading rod 4 and the reinforcement cage 4;
step 5, pouring a stirring material into the mold box 3, stirring the stirring material according to the weight ratio of 500 parts of portland cement, 20 parts of foaming agent hydrogen peroxide, 2.5 parts of foam stabilizer fatty acid methanol amide, 5 parts of potassium silicate accelerator and 200 parts of water to prepare foamed cement, pouring the foamed cement into a mold, and standing for foaming; the stirring materials can be prepared according to the formula or other conventional formulas, which are the prior art.
Step 6, entering a pre-culture period; the precuring period generally adopts normal temperature curing, and the curing time is about 2-3 days.
And 7, after the pre-curing period is finished, drawing out the threading rod 8. In the foaming process, the plastic pipe is arranged on the outer ring of the threading rod 8, so that the foaming cement and the threading rod 8 are not easy to be adhered. After the maintenance is finished, the plastic pipe is rotated by external force, the plastic pipe is cracked or is directly separated from the foaming cement, and therefore the stringing rod 8 can be conveniently drawn out.
Step 8, extracting the mold box 3;
step 9, reversing the partition board;
step 10, cutting the whole foamed cement partition board in the mold box 3, and trimming after cutting;
step 11, steam curing the cut and trimmed foamed cement partition board; the steam curing can be carried out in a kiln for steam curing, and the steam curing time is generally 8-12 hours.
And step 12, after maintenance, packaging and warehousing, loading and transporting.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Assembled pipeline integration foaming cement partition plate, including foaming cement partition plate body (1), its characterized in that: at least one through hole (2) for placing a pipeline is arranged along the axial direction of the foamed cement partition board body (1).
2. The fabricated pipeline-integrated foamed cement partition board according to claim 1, wherein: the number of the through holes (2) is at least two.
3. A mold box for producing the assembly type pipeline integrated foamed cement partition board according to claim 1 or 2 comprises a box body (3) with an upper opening, the box plate of the box body (3) in the width direction is divided into a plurality of sub-plates (7), and the thickness of each sub-plate (7) is consistent with that of the foamed cement partition board to be prepared and molded; at least one perforation (6) is arranged on each partition plate (7), the number of the perforations (6) is consistent with the number of through holes arranged in the foamed cement partition plate to be prepared and molded, and a threading rod (8) is arranged in each perforation (6); in the box body space that every minute board (7) corresponds, set up steel reinforcement cage (4), threading stick (8) pass steel reinforcement cage (4), and fix with buckle (5) at threading stick (8) and steel reinforcement cage (4) contact position.
4. The mold box for the assembly type pipeline integrated foamed cement partition board according to claim 3, wherein: the outer layer of the threading rod (8) is provided with a plastic pipe.
5. A method for producing an assembly type pipeline integrated foaming cement partition plate by adopting the mould box of claim 1 or 3, which is characterized in that: the method comprises the following steps:
step 1, manufacturing a mould box (3) and a reinforcement cage (4);
step 2, hoisting the mould box (3), and starting to stir the raw materials;
step 3, placing a reinforcement cage (4) into the mold box (3);
step 4, placing a threading rod (8) into the mold box (3), wherein the threading rod (8) penetrates through the reinforcement cage (4), and the contact position of the threading rod (8) and the reinforcement cage (4) is fixed by a retaining ring (5);
step 5, pouring the stirred material into the mold box (3);
step 6, entering a pre-culture period;
step 7, after the pre-curing period is finished, drawing out the stringing rod (8);
step 8, extracting the mould box (3);
step 9, reversing the partition board;
step 10, cutting the whole foamed cement partition board in the mold box (3), and trimming after cutting;
and 11, performing steam curing on the cut and trimmed foamed cement partition board.
6. The production method of the fabricated pipeline integrated foamed cement partition board according to claim 5, wherein: the stirring material is prepared by stirring 500 parts of portland cement, 20 parts of foaming agent hydrogen peroxide, 2.5 parts of foam stabilizer fatty acid methyl alcohol amide, 5 parts of potassium silicate accelerator and 200 parts of water according to the weight ratio to prepare foaming cement, pouring the foaming cement into a mould, and standing for foaming.
7. The production method of the fabricated pipeline integrated foamed cement partition board according to claim 5, wherein: placing the mixture in a kiln for steam curing for 8 to 12 hours.
CN202111501552.7A 2021-12-09 2021-12-09 Assembled pipeline integrated foamed cement partition board, mold box and production method thereof Pending CN113958041A (en)

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CN202111501552.7A CN113958041A (en) 2021-12-09 2021-12-09 Assembled pipeline integrated foamed cement partition board, mold box and production method thereof

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Application Number Priority Date Filing Date Title
CN202111501552.7A CN113958041A (en) 2021-12-09 2021-12-09 Assembled pipeline integrated foamed cement partition board, mold box and production method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114872176A (en) * 2022-05-06 2022-08-09 山东国创节能科技股份有限公司 Method for manufacturing inner wall partition board and wall body

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2391934Y (en) * 1999-10-19 2000-08-16 燎原(临颍)机械制造有限公司 Light wt. partition with reinforced bar
JP2009156015A (en) * 2007-12-08 2009-07-16 Kanaflex Corporation Heat insulating panel
CN202055408U (en) * 2011-03-30 2011-11-30 赖丽玲 Assembled wall board and production device thereof
CN104631694A (en) * 2015-01-26 2015-05-20 上海达壁美新材料有限公司 Manufacturing method of lightweight partition wall
CN106003415A (en) * 2016-05-20 2016-10-12 安徽海龙建筑工业有限公司 Production process of fabricated lightweight inner partition board
CN108756056A (en) * 2018-05-30 2018-11-06 重庆智酷智造集成房屋有限公司 A kind of assembled architecture lining
CN109485343A (en) * 2018-12-10 2019-03-19 凉山瑞京环保资源开发有限公司 Materials for wall, hollow partition board and preparation method thereof
CN112079602A (en) * 2020-08-12 2020-12-15 扬州大学 Integrally cast assembled polyphenyl particle concrete light partition board and preparation method thereof
CN217150786U (en) * 2021-12-09 2022-08-09 杨立峰 Assembled pipeline integration foaming cement partition plate mould case

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2391934Y (en) * 1999-10-19 2000-08-16 燎原(临颍)机械制造有限公司 Light wt. partition with reinforced bar
JP2009156015A (en) * 2007-12-08 2009-07-16 Kanaflex Corporation Heat insulating panel
CN202055408U (en) * 2011-03-30 2011-11-30 赖丽玲 Assembled wall board and production device thereof
CN104631694A (en) * 2015-01-26 2015-05-20 上海达壁美新材料有限公司 Manufacturing method of lightweight partition wall
CN106003415A (en) * 2016-05-20 2016-10-12 安徽海龙建筑工业有限公司 Production process of fabricated lightweight inner partition board
CN108756056A (en) * 2018-05-30 2018-11-06 重庆智酷智造集成房屋有限公司 A kind of assembled architecture lining
CN109485343A (en) * 2018-12-10 2019-03-19 凉山瑞京环保资源开发有限公司 Materials for wall, hollow partition board and preparation method thereof
CN112079602A (en) * 2020-08-12 2020-12-15 扬州大学 Integrally cast assembled polyphenyl particle concrete light partition board and preparation method thereof
CN217150786U (en) * 2021-12-09 2022-08-09 杨立峰 Assembled pipeline integration foaming cement partition plate mould case

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114872176A (en) * 2022-05-06 2022-08-09 山东国创节能科技股份有限公司 Method for manufacturing inner wall partition board and wall body

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