CN104369246A - Method for manufacturing non-load-bearing heat-insulation building blocks from corn straw - Google Patents
Method for manufacturing non-load-bearing heat-insulation building blocks from corn straw Download PDFInfo
- Publication number
- CN104369246A CN104369246A CN201310348485.9A CN201310348485A CN104369246A CN 104369246 A CN104369246 A CN 104369246A CN 201310348485 A CN201310348485 A CN 201310348485A CN 104369246 A CN104369246 A CN 104369246A
- Authority
- CN
- China
- Prior art keywords
- corn straw
- maize straw
- mould
- molds
- building block
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to a method for manufacturing non-load-bearing heat-insulation building blocks from corn straw. The method is characterized by comprising (1), naturally airing and drying the harvested corn straw; (2), removing remaining leaves of the naturally aired and dried corn straw and drying the corn straw until the moisture content of the corn straw is lower than 3%; (3), chopping the dried corn straw until the length of the chopped corn straw ranges from 2cm to 5cm; (4), mixing the shattered corn straw with polystyrene granules according to a certain proportion to obtain mixtures; (5), placing appropriate amounts of the mixtures into building block molds; (6), enabling steam at the temperature of 100 DEG C to flow into the mixtures in the molds, enabling the polystyrene granules to be quickly foamed and expanded, enabling spaces in the molds to be filled with the foamed and expanded polystyrene granules, and enabling the corn straw and the foamed polystyrene granules in the molds to be integrally adhered with one another; (7), detaching the molds to obtain materials which are the non-load-bearing heat-insulation building blocks.
Description
Technical field
The present invention relates to a kind of technology of preparing of construction material, particularly relate to a kind of preparation method utilizing maize straw to manufacture non-bearing building heat preservation blocks.
Background technology
The non-bearing building block of current construction wall is mostly mineral-type materials, and its intensity better, but is incubated, defening effect is poor, and bulk density is large, adds the load of building body.Building block divides by material, has fly ash silicate building block, ordinary concrete hollow block, gangue silicate hollow block etc.Meanwhile, China has a large amount of agricultural crop straws reasonably not utilized every year.
Summary of the invention
A kind of maize straw is the object of the present invention is to provide to manufacture the method for non-bearing heat-preserving building block, the method utilizes the maize straw after drying and polystyrene to produce building heat preservation blocks for main raw material(s), the load solving building body is large, the problem that insulation, defening effect are poor;
The object of the invention is to be achieved through the following technical solutions:
A kind of maize straw manufactures the method for non-bearing heat-preserving building block:
(1) first the maize straw natural drying after results is done;
(2) maize straw that natural drying is dry is removed remaining leaf, dry to moisture content below 3%;
(3) by dry after shredding corn stalk to length be 2 ~ 5cm;
(4) by a certain percentage the maize straw after pulverizing is mixed with granules of polystyrene;
(5) appropriate compound is put into building block mould;
(6) compound in mould is passed into the steam of 100 DEG C, make the rapid foaming and intumescing of granules of polystyrene be full of space in mould, make the mutual adhesion of granules of polystyrene after the maize straw in mould, foaming simultaneously, form an entirety;
(7) material after-form removal is non-bearing building heat preservation blocks;
Above-mentioned pulverizing refers to machinery chopping;
Above-mentioned oven dry refers to uses industrial drying machine drying;
Advantage of the present invention and effect are:
1. the building block of the inventive method manufacture is lightweight, decreases the load of building body;
2. the inventive method manufacture building block sound insulation, high insulating effect;
3. the inventive method effectively can utilize maize straw resource.
Detailed description of the invention
Embodiment 1
First the maize straw natural drying after harvest corn is done; the maize straw that natural drying is dry removes remaining leaf; then dry to moisture content below 3%; it is 2 ~ 5cm that corn stalk powder after oven dry is broken to length; maize straw after pulverizing mixes with granules of polystyrene by the ratio by weight 500: 1; compound is put into building block mould, until be full of mould.Compound in mould is passed into the steam of 100 DEG C; water vapour pressure 1.5 atmospheric pressure 1 minute in maintenance mould; the rapid foaming and intumescing of granules of polystyrene is made to be full of space in mould; make the mutual adhesion of granules of polystyrene after the maize straw in mould, foaming simultaneously, form an entirety.Material after form removal is non-bearing building heat preservation blocks;
Embodiment 2
First the maize straw natural drying after harvest corn is done; the maize straw that natural drying is dry removes remaining leaf; then dry to moisture content below 3%; it is 2-5cm that corn stalk powder after oven dry is broken to length; maize straw after pulverizing mixes with granules of polystyrene by the ratio by weight 400: 1; compound is put into building block mould, until be full of mould.Compound in mould is passed into the steam of 100 DEG C; water vapour pressure 1.5 atmospheric pressure 1 minute in maintenance mould; the rapid foaming and intumescing of granules of polystyrene is made to be full of space in mould; make the mutual adhesion of granules of polystyrene after the maize straw in mould, foaming simultaneously, form an entirety.Material after form removal is non-bearing building heat preservation blocks.
Claims (3)
1. maize straw manufactures a method for non-bearing heat-preserving building block, it is characterized in that: the maize straw natural drying after results is first done by (1); (2) maize straw that natural drying is dry is removed remaining leaf, dry to moisture content below 3%; (3) by dry after shredding corn stalk to length be 2 ~ 5cm; (4) by a certain percentage the maize straw after pulverizing is mixed with granules of polystyrene; (5) appropriate compound is put into building block mould; (6) compound in mould is passed into the steam of 100 DEG C, make the rapid foaming and intumescing of granules of polystyrene be full of space in mould, make the mutual adhesion of granules of polystyrene after the maize straw in mould, foaming simultaneously, form an entirety; (7) material after form removal is non-bearing building heat preservation blocks.
2. a kind of maize straw as claimed in claim 1 manufactures the method for non-bearing heat-preserving building block, it is characterized in that described pulverizing refers to machinery chopping.
3. a kind of maize straw as claimed in claim 1 manufactures the method for non-bearing heat-preserving building block, it is characterized in that described oven dry refers to and uses industrial drying machine drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348485.9A CN104369246A (en) | 2013-08-12 | 2013-08-12 | Method for manufacturing non-load-bearing heat-insulation building blocks from corn straw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348485.9A CN104369246A (en) | 2013-08-12 | 2013-08-12 | Method for manufacturing non-load-bearing heat-insulation building blocks from corn straw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104369246A true CN104369246A (en) | 2015-02-25 |
Family
ID=52548568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310348485.9A Pending CN104369246A (en) | 2013-08-12 | 2013-08-12 | Method for manufacturing non-load-bearing heat-insulation building blocks from corn straw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104369246A (en) |
-
2013
- 2013-08-12 CN CN201310348485.9A patent/CN104369246A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150225 |