CN104496361A - Bamboo rib-straw composite wall material composition and preparation method thereof - Google Patents
Bamboo rib-straw composite wall material composition and preparation method thereof Download PDFInfo
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- CN104496361A CN104496361A CN201410690500.2A CN201410690500A CN104496361A CN 104496361 A CN104496361 A CN 104496361A CN 201410690500 A CN201410690500 A CN 201410690500A CN 104496361 A CN104496361 A CN 104496361A
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Abstract
A disclosed bamboo rib-straw composite wall material composition comprises the following compositions in parts by weight: 30-60 parts of composite rapid hardening sulphoaluminate cement, 20-50 parts of plant straw, 17 parts of a bamboo-weaved grid framework, 3 parts of rubber powder, 0.1-0.3 part of lithium carbonate, and 40-50 parts of water. The alkalinity pH value of the composite rapid hardening sulphoaluminate cement is 10-12, and the initial setting time is 10 min or less. The wall material is light in mass, high in strength, good in anti-fracture performance, anticorrosion performance and fireproof performance, good in thermal insulation property, and strong in nail-holding power and suspension force, can be used to prepare sheets with different strength by adjusting the ratio of the compositions. The preparation method of the wall material composition is simple, short in demolding time, small in energy consumption and low in cost, and is suitable for industrialized production.
Description
Technical field
The invention belongs to novel wall material field, be specifically related to a kind of bamboo ribs-stalk composite wall body material composition and method of making the same.
Background technology
Novel wall material (Shen Zheng, Xiao Liguang, Zhao Zhuan. novel wall material current situation [J]. Jilin Construction Engineering Academy journal .2010 June, 27th volume, 3rd phase) the traditional all kinds of materials for walls used beyond solid clay brick of general reference are a kind of New Energy Saving Wall Materials, by the working method of advanced person, make the material of construction with lightweight, the applicable modern architecture requirement such as high-strength, multi-functional, its maximum feature to save the energy and resource.
Straw-stalk wall material is the one in novel wall material, and it has the following advantages: (1) starting material can regenerate; (2) energy-conserving profit waste, environmental protect; (3) Economization on land; (4) practicable cleanly production; (5) reproducible utilization etc. (Li Zheng, Hao Cuili. the current situation of straw-stalk wall material and prospect forecast [J]. Henan building materials, the 1st phase in 2011).
But the intensity of straw-stalk wall material is low, anticorrosion also poor with flame retardant properties, need to add the additive such as cement, modification potter's clay to improve the intensity of straw-stalk wall material.Such as, Chinese patent CN102887691A discloses a kind of Plant straw novel lightweight wall body, and it is made up of the raw material of following weight part: flyash 40 ~ 50, improved plant straw powder 20 ~ 30, aluminosulfate cement 20 ~ 30, pearlstone 10 ~ 20, silica flour 10 ~ 15, modification potter's clay 10 ~ 15, glass fibre 10 ~ 20, whipping agent 2 ~ 4, water reducer 3 ~ 6; The component of this materials for wall is many, stalk consumption is little, and fracture resistance is poor, and needs to carry out special processing to stalk, and its preparation method is loaded down with trivial details, and energy consumption is large, cost is high, is difficult to realize suitability for industrialized production.Chinese patent CN 102745962A discloses a kind of Straw ash wall thermal insulation material, is to form with llowing group of materials: straw ash 50 ~ 60%, grey calcium 10 ~ 15%, cement 25 ~ 35%, Vltra tears 0.8 ~ 1%, hydrophobic powder 0.3 ~ 0.5%, concrete anti-earthquake fiber 0.3 ~ 0.5%, latex powder 0.5 ~ 1%; Also there are above-mentioned problems in this Straw ash wall thermal insulation material.
Bamboo is that a kind of tenacity of fibre is strong, the plant of good mechanical properties, growth rapidly, be widely used in daily life, as bamboo handicraft product, ornament etc., after treatment, also can use as some architectural shape, as: Chinese patent CN 94229849.7 discloses a kind of bamboo ribs and fills hot pressing section bar, by bamboo, through cutting, the laggard row of slivering is horizontal, longitudinal arrangement, and after gap place adds the stopping composition being mixed with special tackiness agent betwixt, carries out heat extrusion forming to it.Also there is the shortcomings such as low, the anticorrosion and flame retardant properties of intensity is poor in this section bar, will use special tackiness agent in its preparation process, and need heat extrusion forming, preparation method is loaded down with trivial details, and energy consumption is large, cost is high.
At present, yet there are no the high-performance composite wall body material with bamboo processing preparation.
Summary of the invention
The object of the present invention is to provide a kind of bamboo ribs-stalk composite wall body material composition.
Another object of the present invention is the preparation method providing a kind of above-mentioned composition.
A kind of bamboo ribs provided by the invention-stalk composite wall body material composition, by weight, said composition comprises following component: compound quick hardening sulphoaluminate cement 30 ~ 60 parts, straw 20 ~ 50 parts, bamboo weaving grid frame 17 parts, rubber powder 3 parts, Quilonum Retard 0.1 ~ 0.3 part, 40 ~ 50 parts, water; The basicity pH value of described compound quick hardening sulphoaluminate cement is 10 ~ 12, presetting period≤10min.
Quick hardening sulphoaluminate cement is the Essential Terms of this area, according to definition and the explanation of CNS GB20472-2006, quick hardening sulphoaluminate cement refers to be made by the sulphoaluminate cement clinker of proper composition and a small amount of Wingdale, proper amount of gypsum are jointly levigate, there is the hydraulicity gelatinous material that early strength is high, code name RSAC.
Quick hardening sulphoaluminate cement can be bought by market and obtain, and such as: the quick hardening sulphoaluminate cement that Tangshan six or nine Cement Co., Ltd produces, meets the regulation of standard GB/T 20472-2006.
In the present invention, compound quick hardening sulphoaluminate cement prepares in accordance with the following methods: on the basis of quick hardening sulphoaluminate cement product, add the unslaked lime not calciferous of 5 ~ 7%, homogenizing, prepare compound quick hardening sulphoaluminate cement, its basicity pH value is 10 ~ 12, presetting period≤10min, reach the object that early strength improves rapidly.By mixing unslaked lime not calciferous in quick hardening sulphoaluminate cement, the carbohydrate that efficiently avoid the precipitation such as bamboo wood, stalk causes the harm of condensation, sclerosis to cement.
In the present invention, employing be unslaked lime not calciferous, typically refer to fired after the unslaked lime preserved in confined conditions.
Described compound quick hardening sulphoaluminate cement is prepared in accordance with the following methods: on the basis of quick hardening sulphoaluminate cement, add the unslaked lime not calciferous of 5 ~ 7%, homogenizing, to obtain final product.
In described unslaked lime, CaO > 50%, SiO
2< 3.5%; The grinding fineness specific surface area > 350m of described unslaked lime
2/ kg.
Described straw, is shattered into the fiber of 2 ~ 4cm during use.
In the present invention, preferred straw refers to the stalk of the plants such as paddy rice, wheat, corn, weeds, rape, is shattered into the fiber of 2 ~ 4cm during use.
Described bamboo weaving grid frame is that the grid frame that the bamboo chip being 2 ~ 3cm by width is woven into interval 10 ~ 20cm forms through naturally drying.
In the present invention, bamboo weaving grid frame refers to and weaves by the bamboo chip of one fixed width or bamboo cane the goods that form and have grid structure and as the skeleton of materials for wall; In the preferred embodiment of the invention, bamboo weaving grid frame is that the grid frame that the bamboo chip being 2 ~ 3cm by width is woven into interval 10 ~ 20cm forms through naturally drying.
In the present invention, rubber powder refers to conventional building adhisive powder, can be bought and obtain, such as: the building adhisive powder that Jin Lu resin processing plant produces by market.
In described composition, also comprise boric acid as retardant.
Prepare the method for composite wall body material composition of the present invention, comprise the following steps:
A, by bamboo weaving grid frame binding penetration pipe and terminal box, put into verticle mould shaping machine, central position, delivery chamber is fixed;
B, Jiang Shui, compound quick hardening sulphoaluminate cement and rubber powder join in stirrer, stir;
C, in the stirrer of step b, add straw, stir, add Quilonum Retard, in mixed state bottom discharge;
D, join in the verticle mould shaping machine of step a by step c gained material, cast bamboo weaving grid frame is shaping, leaves standstill maintenance after 3 ~ 5 hours, humidification once, after 2 hours, the demoulding;
E, under normal temperature environment, moisture-keeping maintaining, after 2 ~ 3 days, dries moisture, to obtain final product.
In step b, described stirrer is coaxial stirrer.
In step b, described stirring velocity is: housing rotating speed is 120 revs/min, and interior agitator speed is 400 revs/min;
In step c, described stirring velocity is: housing rotating speed is 200 revs/min, and interior agitator speed is 1000 revs/min.
The specification of described composite wall body material is 2950mm × 600mm × 90mm.According to the inventive method, the composite wall body material of other specification sizes also can be prepared.
The present invention has following beneficial effect:
(1) the component collaborative work of composite wall body material composition of the present invention, its total technique effect is more excellent:
I, add bamboo weaving grid frame and compound quick hardening sulphoaluminate cement, effectively improve the intensity of materials for wall, fracture resistance, anticorrosion and fire resistance etc.;
Ii, add straw, not only effectively make use of straw material, also reduce the weight of materials for wall, improve heat insulation effect simultaneously;
Except straw, can also be other light materials such as flyash, granular polystyrene;
Iii, add rubber powder, add cementing power, prevent composite wall body material from coagulation forming process, producing crack;
Iv, add rapid hardening conditioning agent based on Quilonum Retard, can demould time be shortened, be conducive to the suitability for industrialized production of materials for wall;
(2) nail-holding ability of materials for wall of the present invention is strong, is convenient to the pre-plugged of connection between wallboard and wallboard and fixing hydropower installation tubing and line box; The hanging force of materials for wall of the present invention is strong, is convenient to the installation of the equipment such as air-conditioning;
(3) the present invention is by the sheet material regulating the proportioning of each component can obtain varying strength, is applicable to buildings, structures different sites to the requirement of timber intensity:
Increase the proportioning of compound quick hardening sulphoaluminate cement, degree of compactness and the anti-pressure ability of sheet material are improved, and are applicable to floor and Side fascia; Increase the proportioning of straw, board lightweight effect and self-heat conserving performance are strengthened, and are applicable to inner partition plate;
(4) to prepare the method for materials for wall easy in the present invention, and starting material are easy to get, and energy consumption is little, cost is low, are applicable to suitability for industrialized production.
The quality of materials for wall of the present invention is light, intensity is high, and fracture resistance, anticorrosion and fire resistance, heat insulating are good, nail-holding ability and hanging force strong, by the sheet material regulating the proportioning of each component can obtain varying strength; Its preparation method is easy, and demould time is short, and energy consumption is little, cost is low, is applicable to suitability for industrialized production.
Obviously, according to foregoing of the present invention, according to ordinary technical knowledge and the customary means of this area, not departing under the present invention's above-mentioned basic fundamental thought prerequisite, the amendment of other various ways, replacement or change can also be made.
The embodiment of form by the following examples, is described in further detail foregoing of the present invention again.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following example.All technology realized based on foregoing of the present invention all belong to scope of the present invention.
Embodiment
The raw material used in the specific embodiment of the invention, equipment are known product, obtain by buying commercially available prod.
Bamboo weaving grid frame obtains by the following method: intercept ring according to the length (the present invention is designed to 3m) of made wallboard, width (the present invention is designed to 0.6m), being opened by ring is the bamboo chip of 2 ~ 3cm, gained bamboo chip is compiled into the grid frame of interval 10 ~ 20cm, naturally dry.
Compound quick hardening sulphoaluminate cement prepares in accordance with the following methods: on the basis of quick hardening sulphoaluminate cement product, add the unslaked lime not calciferous of 5 ~ 7%, homogenizing, prepare compound quick hardening sulphoaluminate cement, its basicity pH value is 10 ~ 12, presetting period≤10min, reach the object that early strength improves rapidly.By mixing unslaked lime not calciferous in quick hardening sulphoaluminate cement, the carbohydrate that efficiently avoid the precipitation such as bamboo wood, stalk causes the harm of condensation, sclerosis to cement.
In the present invention, quick hardening sulphoaluminate cement can be bought by market and obtain, and such as: the quick hardening sulphoaluminate cement that Tangshan six or nine Cement Co., Ltd produces, meets the regulation of standard GB/T 20472-2006, meets requirement of the present invention.
In the present invention, employing be unslaked lime not calciferous, typically refer to fired after the unslaked lime preserved in confined conditions.
In the present invention, straw refers to the stalk of the plants such as paddy rice, wheat, corn, weeds, rape, is shattered into the fiber of 2 ~ 4cm during use.
Embodiment 1
(1) by bamboo weaving grid frame (parts by weight: 15 parts) binding penetration pipe and terminal box, put into verticle mould shaping machine, get wallboard die cavity central position and fix;
(2) water (parts by weight: 40 parts) is added in coaxial stirrer, start stirrer, add compound quick hardening sulphoaluminate cement (parts by weight: 30 parts), rubber powder (parts by weight: 3 parts), housing rotating speed be 120 revs/min, interior agitator speed be the stirring velocity of 400 revs/min under stir 2 ~ 3 minutes;
(3) under whipped state, add stalk (parts by weight: 52 parts) continue to stir, stirring velocity is housing rotating speed is 200 revs/min, interior agitator speed is 1000 revs/min, range estimation is mixed and stirred body under even, soft state, is added Quilonum Retard (parts by weight: 0.1 part), and in mixed state bottom discharge;
(4) step (3) gained material is joined in the verticle mould shaping machine of step (1), cast bamboo weaving grid frame is shaping, and utilize the hydration heat of cement in verticle mould shaping machine, to leave standstill maintenance after 3 ~ 5 hours, humidification once, after 5 hours, get final product the demoulding;
(5) under normal temperature environment, moisture-keeping maintaining, after 2 ~ 3 days, dries moisture, is finished product wallboard.
Embodiment 2
Operation steps with embodiment 1, component proportion by weight: bamboo weaving grid frame 15 parts, compound quick hardening sulphoaluminate cement 45 parts, rubber powder 3 parts, straw 37 parts, Quilonum Retard 0.15 part, 45 parts, water.
Embodiment 3
Operation steps with embodiment 1, component proportion by weight: bamboo weaving grid frame 15 parts, compound quick hardening sulphoaluminate cement 55 parts, rubber powder 3 parts, straw 27 parts, Quilonum Retard 0.2% part,
50 parts, water.
The finished product wallboard obtained to embodiment 1 ~ 3 carries out the following Performance Detection according to the method for CNS GB/T 23451 ~ 2009 " light partition board for building ", and test-results is in table 1.
The performance test results of the obtained wallboard of table 1 embodiment 1 ~ 3
(specification: 2950mm × 600mm × 90mm)
Test-results illustrates, the ultimate compression strength of bamboo ribs of the present invention-stalk combined wall board is high, and bending resistance destructiveness is strong, and drying shrinkage value is little, and hanging force is strong, flawless under higher pressure intensity.
In sum, the quality of materials for wall of the present invention is light, intensity is high, and fracture resistance, anticorrosion and fire resistance, heat insulating are good, nail-holding ability and hanging force strong, by the sheet material regulating the proportioning of each component can obtain varying strength; Its preparation method is easy, and demould time is short, and energy consumption is little, cost is low, is applicable to suitability for industrialized production.
Claims (10)
1. bamboo ribs-stalk composite wall body material composition, it is characterized in that: by weight, said composition comprises following component: compound quick hardening sulphoaluminate cement 30 ~ 60 parts, straw 20 ~ 50 parts, bamboo weaving grid frame 17 parts, rubber powder 3 parts, Quilonum Retard 0.1 ~ 0.3 part, 40 ~ 50 parts, water; The basicity pH value of described compound quick hardening sulphoaluminate cement is 10 ~ 12, presetting period≤10min.
2. composition according to claim 1, is characterized in that: described compound quick hardening sulphoaluminate cement is prepared in accordance with the following methods: on the basis of quick hardening sulphoaluminate cement, add the unslaked lime not calciferous of 5 ~ 7%, homogenizing, to obtain final product.
3. composition according to claim 2, is characterized in that: in described unslaked lime, CaO > 50%, SiO
2< 3.5%; The grinding fineness specific surface area > 350m of described unslaked lime
2/ kg.
4. composition according to claim 1, is characterized in that: described straw, is shattered into the fiber of 2 ~ 4cm during use.
5. composition according to claim 1, is characterized in that: described bamboo weaving grid frame is that the grid frame that the bamboo chip being 2 ~ 3cm by width is woven into interval 10 ~ 20cm forms through naturally drying.
6. composition according to claim 1, is characterized in that: in described composition, also comprises boric acid as retardant.
7. prepare the method for composite wall body material composition described in claim 1 ~ 6 any one, it is characterized in that: comprise the following steps:
A, by bamboo weaving grid frame binding penetration pipe and terminal box, put into verticle mould shaping machine, central position, delivery chamber is fixed;
B, Jiang Shui, compound quick hardening sulphoaluminate cement and rubber powder join in stirrer, stir;
C, in the stirrer of step b, add straw, stir, add Quilonum Retard, in mixed state bottom discharge;
D, join in the verticle mould shaping machine of step a by step c gained material, cast bamboo weaving grid frame is shaping, leaves standstill maintenance after 3 ~ 5 hours, humidification once, after 5 hours, the demoulding;
E, under normal temperature environment, moisture-keeping maintaining, after 2 ~ 3 days, dries moisture, to obtain final product.
8. preparation method according to claim 7, is characterized in that: in step b, and described stirrer is coaxial stirrer.
9. the preparation method according to claim 7 or 8, is characterized in that: in step b, and described stirring velocity is: housing rotating speed is 120 revs/min, and interior agitator speed is 400 revs/min;
In step c, described stirring velocity is: housing rotating speed is 200 revs/min, and interior agitator speed is 1000 revs/min.
10. preparation method according to claim 7, is characterized in that: the specification of described composite wall body material is 2950mm × 600mm × 90mm.
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| CN105801035A (en) * | 2016-02-26 | 2016-07-27 | 文登蓝岛建筑工程有限公司 | Environment-friendly soundproof panel |
| CN109162377A (en) * | 2018-10-19 | 2019-01-08 | 四川三阳钢结构有限公司 | A kind of construction wall with good heat preservation effect |
| CN111533527A (en) * | 2020-04-07 | 2020-08-14 | 江苏禾吉新材料科技有限公司 | Environment-friendly high-strength straw cement brick and preparation method thereof |
| CN111546457A (en) * | 2020-04-07 | 2020-08-18 | 江苏禾吉新材料科技有限公司 | Thick anti-cracking heat-insulation straw wallboard and preparation method thereof |
| CN111574177A (en) * | 2020-04-07 | 2020-08-25 | 江苏禾吉新材料科技有限公司 | Straw cement heat-preservation partition wall board and preparation method thereof |
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| CN115819038A (en) * | 2022-11-17 | 2023-03-21 | 金松果新材料科技有限公司 | Straw composite wall material and preparation method thereof |
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| CN115819038A (en) * | 2022-11-17 | 2023-03-21 | 金松果新材料科技有限公司 | Straw composite wall material and preparation method thereof |
| CN115745545A (en) * | 2022-11-30 | 2023-03-07 | 四川什邡国正环保科技有限公司 | Fireproof door filling material and preparation method thereof |
| CN116768642A (en) * | 2023-08-17 | 2023-09-19 | 成都飞机工业（集团）有限责任公司 | Preparation method of long spiral fiber toughened ceramic matrix composite |
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