CN1285535C - Hollow partition slab made of broken straw and cement and its preparing process - Google Patents
Hollow partition slab made of broken straw and cement and its preparing process Download PDFInfo
- Publication number
- CN1285535C CN1285535C CNB021336008A CN02133600A CN1285535C CN 1285535 C CN1285535 C CN 1285535C CN B021336008 A CNB021336008 A CN B021336008A CN 02133600 A CN02133600 A CN 02133600A CN 1285535 C CN1285535 C CN 1285535C
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- Prior art keywords
- cement
- hollow partition
- water
- straw
- broken silk
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Classifications
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Glass Compositions (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention discloses a hollow partition wall lath of straw thread cement, and a preparation method thereof. The hollow partition wall lath comprises the materials of 10 to 18% of straw thread (dry matter weight percentage), 20 to 30% of active filling material, 45 to 55% of cement, 5 to 8% of chemical additive, 0.2 to 0.5% of water reducing agent and 0.5 to 1% of alkali-resistant glass fiber. The void ratio of the hollow partition wall lath obtained by the present invention is more than 55%, the bending resistant breaking load is 4 times heavy than the self weight of the lath, the drying shrinkage value is less than or equal to 0.75 mm/M, and the hollow partition wall lath has the advantages of simple technology, lower cost, and good weatherability and endurance and can be applied to enclosure walls and partition walls of low, middle and tall buildings.
Description
Affiliated field
The present invention relates to the broken silk of straw cement hollow partition batten and preparation method thereof.
Background technology
In the prior art, the situation of making sheet material about stalk and cement is many to make veneer generally, as Chinese patent ZL92104363.5 " composite plant fiber-cement board ", " wheat straw cement-bonded wood chipboard ", be filler with the stalk, cement is agglutinate, adopt the maintenance of hydropress cold presswork locked mode to form, technology is very numerous and diverse, and wants could to become partition plate after compound.
Summary of the invention
At the above-mentioned defective of having only stalk cement veneer and processing maintaining process complexity, the invention provides the broken silk of a kind of straw cement hollow partition batten and preparation method thereof, be to be filler with the broken silk of stalk, Portland cement is an agglutinate, add active stopping composition and chemical additive, extrusion molding at normal temperatures and pressures, maintenance form a kind of environment-friendly light partition plate, its hollow rate＞55%, the bending resistance failing load is greater than more than 4 times of plate deadweight; The drying shrinkage value is smaller or equal to 0.75mm/M, and technology is simple, and cost is lower, and has good weather and weather resistance, is to be used for fabulous cladding and the partition material of basic, normal, high layer building.
Technology contents of the present invention is: utilize broken silk of stalk and Portland cement to make the hollow partition batten, contain the broken silk of straw 10%～18% (siccative weight percent); Active stopping composition 20～30%; Cement 45～55%, chemical additive 5～8%; Water reducer 0.2～0.5%; Alkali resistant glass 0.5 ~ 1% utilizes hollow rate＞55% of the hollow partition batten that the present invention obtains, and the bending resistance failure load is greater than more than 4 times of plate deadweight; The drying shrinkage value is less than or equal to 0.75mm/M.
The preparation method of above-mentioned partition wall batten comprises:
A. by the requirement of water cement ratio 0.4-0.55, take by weighing the needed water yield;
B. take by weighing 5～8% heavy chemical additives of total siccative, be stirred into the aqueous solution in the water of adding step a;
C. press the broken silk of stalk 10～18% (weight percents); Active stopping composition 20～30%; Cement 45～55%, water reducer 0.2～0.5%, the ratio of alkali resistant glass 0.5～1%, take by weighing above-mentioned various material, stirred 3～4 minutes in the aqueous solution adding stirrer with broken silk of stalk and step b earlier, add then materials such as cement, active stopping composition, water reducer, glass silk again in stirrer thorough mixing become the uniform mixing slip;
D, mixed slurry are sent into mould or special molding machine, are processed into the slab of hollow partition batten, carry out the maintenance sclerosis again and obtain finished product.
Particular content of the present invention is:
The broken silk of straw cement hollow partition batten contains following component: the broken silk of straw 10%～18% (siccative weight percent), active stopping composition 20～30%, cement 45～55%, chemical additive 5～8%, water reducer 0.2～0.5%, alkali resistant glass 0.5 ~ 1%.Preferably formulated: the broken silk of straw 10%～18% (siccative weight percent), active stopping composition 20～30%, cement 45～55%, chemical additive 5～8%, water reducer 0.2～0.5%, alkali resistant glass 0.5 ~ 1% by following component and water.Wherein, water cement ratio is 0.4-0.55, and cement is common building cement, and preferably strength grade is the ordinary Portland cement of 32.5R, 42.5R, the broken filament length degree＜1.5cm of straw, and the broken silk of preferred straw is the broken silk of wheat straw.Chemical additive is that water glass and following one or more compositions are made: calcium chloride, Tai-Ace S 150, magnesium chloride, preferably calcium chloride and water glass.The broken silk of glass is short chopping of the broken silk of alkali resistant glass or alkali resistant glass grid cloth.Active stopping composition is formulated by flyash and following one or more components: quartz sand, silicon ash, slag, slag, pearlstone, preferably flyash and quartz sand.Preferred water reducer is wooden calcium powder.
The preparation method of above-mentioned partition wall batten comprises:
A. press the water cement ratio of 0.4-0.55, take by weighing the needed water yield;
B. take by weighing 5～8% heavy chemical additives of total siccative, be stirred into the aqueous solution in the water of adding step a;
C. press the broken silk of stalk 10～15% (siccative weight percents); Active stopping composition 20～30%;
Cement 45～55%, water reducer 0.2～0.5%, the ratio of the short chopping 0.5～1% of alkaline-resisting glass, take by weighing above-mentioned various material, earlier the aqueous solution with broken silk of stalk and step b stirred in stirrer 3～4 minutes, add then materials such as cement, active stopping composition, water reducer, glass silk again in stirrer thorough mixing become the uniform mixing slip;
D, mixed slurry is sent into the slab that Mould Machining becomes the hollow partition batten, carry out the maintenance sclerosis again and obtain finished product.
The invention will be further described below by embodiment.
Embodiment one
1. take by weighing water 50kg, add 3kg calcium chloride, 3.0kg Tai-Ace S 150,7kg water glass is mixed into the homogeneous aqueous solution
2. take by weighing 120kg cement, the 20kg terra alba, 20kg flyash, 20kg quartz sand, the broken silk of 25kg stalk, 0.5kg wooden calcium powder, 1.5kg alkali resistant glass silk, the first aqueous solution with broken silk of stalk and step 1 stirs in stirrer and added cement, terra alba, flyash, quartz sand in 3～4 minutes then, the wood calcium powder fully stirs into the uniform mixing slip in stirrer;
3. mixed slurry and alkali resistant glass silk are sent into Mould Machining and become the hollow partition batten, rested 6-8 hour, can slough mould, place maintenance 28 days, promptly get product.
Detected result: 1, hollow rate 68%
2, drying shrinkage value: 0.68mm/M
3, bending resistance failing load: 4.4 times of plate deadweight.
Embodiment two
1. take by weighing water 50kg and add 3kg calcium chloride, 1.5kg Tai-Ace S 150, the 1.5kg magnesium chloride, 7kg water glass is mixed into the homogeneous aqueous solution;
2. get 100kg cement, 20kg flyash, 20kg quartz sand, the broken silk of 25kg stalk, 0.5kg wooden calcium powder, all aqueous solution in 1.5kg alkali resistant glass silk and the step 1 stir the broken silk of stalk and the aqueous solution earlier and added cement, flyash, quartz sand in 3～4 minutes then in stirrer, the wood calcium powder fully stirs into the uniform mixing slip in stirrer;
3. mixed slurry and alkali resistant glass are broadcasted in the special-purpose hollow light weight partition wall batten flat mould and are processed into the hollow partition batten, rest 6～8 hours, can slough mould, place maintenance and are product after 28 days.
Detected result: 1, hollow rate 68%
2, drying shrinkage value: 0.68mm/M
3, bending resistance failing load: 4.2 times of plate deadweight.
Embodiment three
1. take by weighing water 50kg, add 6kg calcium chloride, 7kg water glass is mixed into the homogeneous aqueous solution
2. take by weighing 95kg cement, 25kg flyash, 25kg silicon ash, the broken silk of 20kg stalk, 0.5kg wooden calcium powder, all aqueous solution in alkaline-resisting glass of 1.5kg and the step 1 stir the broken silk of stalk and the aqueous solution earlier and added cement, flyash, silicon ash in 3～4 minutes then in stirrer, the wood calcium powder fully stirs into the uniform mixing slip in stirrer;
3. mixed slurry is sent in the special-purpose plate squeezing machine and is extruded the hollow slab, and press desired length cutting, and hold slab with the steel supporting plate, send into the maintenance certain hour of maintaining equipment product.Detected result: 1, hollow rate 58%
2, drying shrinkage value: 0.72mm/M
3, bending resistance failing load: 4.4 times of plate deadweight.
Embodiment four
1. take by weighing water 50kg, add 4kg calcium chloride, 2kg magnesium chloride, 7kg water glass, mixing and stirring.
2. take by weighing 100kg 32.5R cement, 25kg flyash, the 20kg slag, the broken silk of 25kg wheat straw, 0.5kg wood calcium powder, 1.5kg the short chopping of alkali resistant glass and the above-mentioned aqueous solution, the broken silk of elder generation's wet-mixing wheat straw 3～4 minutes adds cement, flyash, slag then, the wood calcium powder, the short chopping of alkali resistant glass fully stirs into mixed slurry.
3. compound is sent in the special-purpose plate squeezing machine and is extruded the hollow slab, press desired length cutting, and with the steel supporting plate hold slab send into maintenance of equipment (or place) maintenance certain hour product.(also being used for the production of hollow flat mould)
Detected result: 1, hollow rate 58%
2, drying shrinkage value: 0.69mm/M
3, bending resistance failing load: 4.3 times of plate deadweight
Embodiment five
1. take by weighing water 45kg, add 3kg calcium chloride, 3kg Tai-Ace S 150,7kg water glass, mixing and stirring.
2. take by weighing 100kg cement, 25kg straw powder, 10kg flyash, 10kg quartz sand, the 25kg slag, 0.5kg wood calcium powder, the short chopping of 1.5kg alkali resistant glass and the above-mentioned aqueous solution, the broken silk of elder generation's wet-mixing stalk 3～4 minutes, add cement, flyash then, quartz sand, slag, the wood calcium powder, the short chopping of alkali resistant glass fully stirs into mixed slurry.
3. material is sent in the special-purpose plate squeezing machine and is extruded the hollow slab, press desired length cutting, and with the steel supporting plate hold slab send into maintenance of equipment (or place) maintenance certain hour product.
Detected result: 1, hollow rate 58%
2, drying shrinkage value: 0.68mm/M
3, bending resistance failing load: 4.5 times of plate deadweight
Embodiment six
1. take by weighing water 50kg, add 6kg calcium chloride, 7kg water glass, mixing and stirring.
2. take by weighing 100kg 42.5R cement, the broken silk of 25kg wheat straw, 20kg flyash, 20kg quartz sand, 0.5kg wooden calcium powder, the short chopping of 1.5kg alkali resistant glass and the above-mentioned aqueous solution, the aqueous solution with broken silk of wheat straw and step 1 stirred 3～4 minutes earlier, added cement, flyash then, quartz sand, wooden calcium powder fully stirs into mixed slurry.
3. mixed slurry and alkali resistant glass fiber reticular cloth are sent in the special-purpose hollow light weight batten flat-die, adopted lapping to smear the slurry method and be molded into the hollow batten, rest and promptly sloughed mould in 6-8 hour and place maintenance again and promptly obtained product in 28 days.
Detected result: 1, hollow rate 68%
2, drying shrinkage value: 0.69mm/M
3, bending resistance failing load: 4.8 times of plate deadweight
Claims (11)
1. the broken silk of straw cement hollow partition batten, it is characterized in that it is formulated by following component and water: the broken silk of straw, the siccative weight percent of the broken silk of straw is 10%～18%, active stopping composition 20～30%, cement 45～55%, chemical additive 5～8%, water reducer 0.2～0.5%, alkali resistant glass 0.5～1%; Wherein said active stopping composition is that at least a configuration forms in flyash and quartz sand, silicon ash, slag, slag, the pearlstone, and described chemical additive is that at least a configuration forms in water glass and calcium chloride, Tai-Ace S 150, the magnesium chloride.
2. hollow partition batten according to claim 1 is characterized in that: cement is common building cement.
3. hollow partition batten according to claim 2 is characterized in that: described cement is that strength grade is the ordinary Portland cement of 32.5R, 42.5R.
4. hollow partition batten according to claim 1 is characterized in that: the broken filament length degree＜1.5cm of straw.
5. hollow partition batten according to claim 4 is characterized in that: the broken silk of described straw is the broken silk of wheat straw.
6. hollow partition batten according to claim 1 is characterized in that: described chemical additive is calcium chloride and water glass.
7. hollow partition batten according to claim 1 is characterized in that: the alkali resistant glass is short chopping of the broken silk of alkali resistant glass or alkali-proof glass grid cloth.
8. hollow partition batten according to claim 1 is characterized in that: described active stopping composition is flyash and quartz sand.
9. hollow partition batten according to claim 1 is characterized in that: described water reducer is wooden calcium powder.
10. hollow partition batten according to claim 1 is characterized in that, water cement ratio is 0.4～0.55.
11. the preparation method of hollow partition batten as claimed in claim 1 comprises:
A. by the water cement ratio requirement of 0.4-0.55, take by weighing the needed water yield;
B. take by weighing 5～8% heavy chemical additives of total siccative, be stirred into the aqueous solution in the water of adding step a;
C. press the broken silk of stalk, the siccative weight percent of the broken silk of straw is 10～18%; Active stopping composition 20～30%; Cement 45～55%, water reducer 0.2～0.5%, the ratio of alkali resistant glass 0.5～1%, take by weighing above-mentioned various material, stirred 3～4 minutes in the aqueous solution adding stirrer with broken silk of stalk and step b earlier, and then add cement, active stopping composition, water reducer, glass silk, thorough mixing becomes the uniform mixing slip:
D. mixed slurry is sent into the slab that is processed into the hollow partition batten in mould or the special molding machine, carried out the maintenance sclerosis again and obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021336008A CN1285535C (en) | 2002-08-12 | 2002-08-12 | Hollow partition slab made of broken straw and cement and its preparing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021336008A CN1285535C (en) | 2002-08-12 | 2002-08-12 | Hollow partition slab made of broken straw and cement and its preparing process |
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| CN1396137A CN1396137A (en) | 2003-02-12 |
| CN1285535C true CN1285535C (en) | 2006-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021336008A Expired - Fee Related CN1285535C (en) | 2002-08-12 | 2002-08-12 | Hollow partition slab made of broken straw and cement and its preparing process |
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2002
- 2002-08-12 CN CNB021336008A patent/CN1285535C/en not_active Expired - Fee Related
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