CN100528337C - Method for producing attapulite constant humidity amendment - Google Patents
Method for producing attapulite constant humidity amendment Download PDFInfo
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- CN100528337C CN100528337C CNB2007101308946A CN200710130894A CN100528337C CN 100528337 C CN100528337 C CN 100528337C CN B2007101308946 A CNB2007101308946 A CN B2007101308946A CN 200710130894 A CN200710130894 A CN 200710130894A CN 100528337 C CN100528337 C CN 100528337C
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- constant humidity
- attapulite constant
- humidity amendment
- rice hulls
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Abstract
The invention discloses a production method of an attapulgite constant humidity conditioner, and the key points of the technical proposal are that the production method of the attapulgite constant humidity conditioner is that: acidized rice husks, attapulgite clay and montmorillonite are churned and mixed according to proportion and then are extruded and modified into flake shaped mixture and air dried to be ground into powder to be churned and mixed with instant sodium silicate and the original powder of zeolite according to proportion, and then are granulated, roasted, screened and packaged into finished product. The attapulgite constant humidity conditioner not only has good hygroscopicity but also can slowly release the moister content that is absorbed in pore passages slowly when environmental humidity decreases, so as to keep a relatively steady hygroscopicity, which is a constant humidity conditioner with excellent performance. The attapulgite constant humidity conditioner is suitable to be placed under wooden floors and can also be placed inside wooden floors in production.
Description
Technical field:
The present invention relates to conditioner, be specifically related to a kind of production method of attapulite constant humidity amendment.
Background technology:
Along with the continuous intensification of house decoration, the timber floor quality of one of " big part " in the finishing has become consumer's hot issue, phenomenons such as that timber floor quality problems major part shows as is domed, warpage crack, slot, arch camber, notch board and squeeze crack distortion.
Cause the reason of above-mentioned quality problems and moisture content, the air themperature in the environment and the humidity of timber floor that direct relation is arranged, the reason of arch camber is to cause the floor expansion to be arched upward owing to make moist, the vertical tongue and groove of two floors place appears in serious meeting to arch upward, laterally the phenomenon of cracking.Slot is because the timber floor moisture content is higher, and the time of maintaining before laying is not enough, and water evaporates causes drying shrinkage in the floor, laying back, makes the bigger slit of appearance between the floor.
Solid wooden compound floor forms through gluing hot pressing, and adhesive generally all adopts Lauxite, contains harmful substances such as a certain amount of formaldehyde, ammonia and benzene, directly has influence on the healthy of people.
Summary of the invention:
The objective of the invention is to overcome weak point in the prior art, provide a kind of and can initiatively adjust the production method of the attapulite constant humidity amendment of timber floor humidity along with the variation of moisture content, air themperature and the humidity of timber floor.
Rice hulls, quick dissolved sodium silicate and the zeolite powder of attapulite constant humidity amendment after by Concave-convex clay rod, montmorillonite, acidifying formed.
The production method of attapulite constant humidity amendment is: the rice hulls after the acidifying and Concave-convex clay rod and montmorillonite are mixed by batching, extrusion modification slabbing mixture, abrasive dust after airing, mix by batching with quick dissolved sodium silicate and zeolite powder again, granulation, roasting, sieve, be packaged as finished product.
Concave-convex clay rod has unique crystal structure, and attapulgite is bar-shaped, fibrous aggregation, the existence in a large amount of ducts in the crystal structure, and specific area is very big, can reach 350m
2More than/the g, most cation, hydrone and a certain size organic molecule all can directly be adsorbed in the duct, and its water imbibition can reach more than 150%.Concave-convex clay rod is in heat treatment process, the adsorbed water and the zeolite water of Concave-convex clay rod will be sloughed, vacate space, duct and adsorption activity point that hydrone occupies, help the absorption of Concave-convex clay rod inner duct to minimum molecule, the hydroscopicity of Concave-convex clay rod is greatly improved.
The ratio of viscosities of Concave-convex clay rod is higher, and the viscosity of the reasonable Concave-convex clay rod of performance can surpass 3000mPa.s, helps improving the half-finished cementitiousness of attapulite constant humidity amendment.
Concave-convex clay rod not only can improve its hydroscopicity after Overheating Treatment, after ambient humidity descends, be adsorbed on the moisture in its duct, will outwards discharge slowly, remain a more stable hydroscopicity, make full use of this characteristic, consist of a kind of constant humidity conditioner of superior performance.
Montmorillonite is a kind of crystalline layered aluminosilicate clays mineral, has powerful adsorption function, and under same moisture absorption condition, the effective time of montmorillonite active drying agent is longer with its drier of making.
Zeolite powder is artificial synthetic product, has than better suction of natural zeolite and absorption property, and constant product quality, but zeolite powder is a kind of flour, and do not have viscosity, can not independently use.
The Chinese patent grant number of production process of zeolite powder is: 97109024.
Quick dissolved sodium silicate is the inorganic silicic acid sodium salt, is Powdered, and instant effect is relatively good, adds quick dissolved sodium silicate in attapulite constant humidity amendment, can significantly improve the granule strength after its moisture absorption, increases the service life of attapulite constant humidity amendment.
Rice hulls after the acidifying is meant the rice hulls after the sulfuric acid modified processing of use, rice hulls after the acidifying generates active carbon through high temperature modified back, not only can improve the wettability power of attapulite constant humidity amendment, can also increase the adsorption effect of attapulite constant humidity amendment, reduce the infringement healthy people to harmful substances such as formaldehyde, ammonia and benzene in the timber floor.
The present invention is achieved by following technical proposals:
1, the production method of rice hulls acidification
(1) rice hulls is pulverized, grain fineness≤0.5 millimeter is in the input fermentation vat;
(2) preparation of dilute sulfuric acid is made up of following component: the sulfuric acid 5～20% of concentration 98%, water 80～95% by weight percentage;
(3) batching of acidification, form by following component by weight percentage: rice hulls 35～80%, dilute sulfuric acid 20～65% slowly adds dilute sulfuric acid in the rice hulls, carries out acidification, and acidificatoin time was controlled at 12～48 hours.
2, the half-finished production method of attapulite constant humidity amendment
(1) the half-finished batching of attapulite constant humidity amendment is made up of following component: the rice hulls 5～15% after the acidifying, Concave-convex clay rod 35～55%, montmorillonite 5～15% and water 35～55% by weight percentage;
(2) earlier the rice hulls after the acidifying, Concave-convex clay rod and montmorillonite are stirred in the input fermentation vat behind the mixture by batching, slowly add the water for preparing again and soak, soak time was controlled at 24～48 hours;
(3) be squeezed into flaky mixture in the input of the mixture after will the soaking two roll press, the thickness of flaky mixture≤3 millimeter, be transported to the cement field and carry out airing, the moisture of flaky mixture≤15% after the airing, the input grinding machine carries out the semi-finished product that abrasive dust is an attapulite constant humidity amendment, grain fineness≤0.074 millimeter.
3, the production method of attapulite constant humidity amendment
(1) batching of attapulite constant humidity amendment is made up of following component: the semi-finished product 55～90% of attapulite constant humidity amendment, quick dissolved sodium silicate 2～8% and zeolite powder 5～40% by weight percentage;
(2) semi-finished product, quick dissolved sodium silicate and the zeolite powder of attapulite constant humidity amendment mixed after, carry out granulation in the input comminutor, grain graininess is controlled at 0.5～4.0 millimeter;
(3) will carry out roasting in the input of the particle after the granulation roaster, sintering temperature is controlled at 550～650 ℃, and roasting time was controlled at 2～4 hours;
(4) particle after the roasting is sieved, screen out the dust and the ground grains that produce in the roasting process, be packaged as the finished product of attapulite constant humidity amendment.
The attapulite constant humidity amendment particle is coarse hard, and intensity is good, and specific area is big, and the porosity height is indeformable, do not lump, not heat release, can not separate out liquid after being placed on the following of timber floor or being placed on the inside of timber floor, also can not produce pollutions such as dust.
Attapulite constant humidity amendment not only hydroscopicity is good, and after ambient humidity descends, has been adsorbed on the moisture in its duct, will outwards discharge slowly, remains a more stable hydroscopicity, is a kind of constant humidity conditioner of superior performance.
Attapulite constant humidity amendment can effectively adsorb harmful substances such as formaldehyde in the timber floor, ammonia and benzene, reduces the infringement healthy to people.
Attapulite constant humidity amendment be applicable to be placed on timber floor below, also can when the production timber floor, be placed on the inside of timber floor.
The specific embodiment:
The invention will be further described below in conjunction with embodiment:
1, the production method of rice hulls acidification
(1) rice hulls is pulverized, grain fineness≤0.5 millimeter is in the input fermentation vat;
(2) preparation of dilute sulfuric acid is made up of following component: the sulfuric acid 8% of concentration 98%, water 92% by weight percentage;
(3) batching of acidification, form by following component by weight percentage: rice hulls 70%, dilute sulfuric acid 30% slowly adds dilute sulfuric acid in the rice hulls, carries out acidification, and acidificatoin time was controlled at 24 hours.
2, the half-finished production method of attapulite constant humidity amendment
(1) the half-finished batching of attapulite constant humidity amendment is made up of following component: the rice hulls 8% after the acidifying, Concave-convex clay rod 42%, montmorillonite 10% and water 40% by weight percentage;
(2) earlier the rice hulls after the acidifying, Concave-convex clay rod and montmorillonite are stirred in the input fermentation vat behind the mixture by batching, slowly add the water for preparing again and soak, soak time was controlled at 24 hours;
(3) be squeezed into flaky mixture in the input of the mixture after will the soaking two roll press, the thickness of flaky mixture≤3 millimeter, be transported to the cement field and carry out airing, the moisture of flaky mixture≤15% after the airing, the input grinding machine carries out the semi-finished product that abrasive dust is an attapulite constant humidity amendment, grain fineness≤0.074 millimeter.
3, the production method of attapulite constant humidity amendment
(1) batching of attapulite constant humidity amendment is made up of following component: the semi-finished product 65% of attapulite constant humidity amendment, quick dissolved sodium silicate 5% and zeolite powder 30% by weight percentage.
(2) semi-finished product, quick dissolved sodium silicate and the zeolite powder of attapulite constant humidity amendment mixed after, carry out granulation in the input comminutor, grain graininess is controlled at 0.5～3.0 millimeter;
(3) will carry out roasting in the input of the particle after the granulation roaster, sintering temperature is controlled at 600～650 ℃, and roasting time was controlled at 3 hours;
(4) particle after the roasting is sieved, screen out the dust and the ground grains that produce in the roasting process, be packaged as the finished product of attapulite constant humidity amendment.
Claims (1)
1, a kind of production method of attapulite constant humidity amendment, it is characterized in that, the production method of attapulite constant humidity amendment is: the batching of (1) attapulite constant humidity amendment, form by following component by weight percentage: the semi-finished product 55～90% of attapulite constant humidity amendment, quick dissolved sodium silicate 2～8% and zeolite powder 5～40%; (2) semi-finished product, quick dissolved sodium silicate and the zeolite powder of attapulite constant humidity amendment mixed after, carry out granulation in the input comminutor, grain graininess is controlled at 0.5～4.0 millimeter; (3) will carry out roasting in the input of the particle after the granulation roaster, sintering temperature is controlled at 550～650 ℃, and roasting time was controlled at 2～4 hours; (4) particle after the roasting is sieved, screen out the dust and the ground grains that produce in the roasting process, be packaged as the finished product of attapulite constant humidity amendment;
The half-finished production method of described attapulite constant humidity amendment is: the half-finished batching of attapulite constant humidity amendment, form by following component by weight percentage: the rice hulls 5～15% after the acidifying, Concave-convex clay rod 35～55%, montmorillonite 5～15% and water 35～55%; Earlier the rice hulls after the acidifying, Concave-convex clay rod and montmorillonite are stirred in the input fermentation vat behind the mixture by batching, slowly add the water for preparing again and soak, soak time was controlled at 24～48 hours; To be squeezed into flaky mixture in the mixture input two roll press after soaking, the thickness of flaky mixture≤3 millimeter, be transported to the cement field and carry out airing, the moisture of flaky mixture≤15% after the airing, the input grinding machine carries out the semi-finished product that abrasive dust is an attapulite constant humidity amendment, grain fineness≤0.074 millimeter;
The implementation method of described rice hulls acidification is: rice hulls is pulverized, and acidifying is carried out with dilute sulfuric acid in the input fermentation vat in grain fineness≤0.5 millimeter; The configuration of dilute sulfuric acid: form by following component by weight percentage: the sulfuric acid 5～20% of concentration 98%, water 80～95%; The batching of acidification, form by following component by weight percentage: rice hulls 35～80%, dilute sulfuric acid 20～65% slowly adds dilute sulfuric acid in the rice hulls, carries out acidification, and acidificatoin time was controlled at 12～48 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101308946A CN100528337C (en) | 2007-08-30 | 2007-08-30 | Method for producing attapulite constant humidity amendment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101308946A CN100528337C (en) | 2007-08-30 | 2007-08-30 | Method for producing attapulite constant humidity amendment |
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| CN101185875A CN101185875A (en) | 2008-05-28 |
| CN100528337C true CN100528337C (en) | 2009-08-19 |
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| CNB2007101308946A Expired - Fee Related CN100528337C (en) | 2007-08-30 | 2007-08-30 | Method for producing attapulite constant humidity amendment |
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- 2007-08-30 CN CNB2007101308946A patent/CN100528337C/en not_active Expired - Fee Related
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| CN101185875A (en) | 2008-05-28 |
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Owner name: XUYI HENGXIN CLAY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XU QINGHUA Effective date: 20120829 |
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Effective date of registration: 20120829 Address after: 211700 Huaian City, Jiangsu County of Xuyi province science and Technology Park Road on the north side of attapulgite pond Patentee after: XUYI HENGXIN CLAY TECHNOLOGY CO., LTD. Address before: 211700 Huaian City, Jiangsu province Xuyi County Xu town of Stonebridge Road No. 40 Patentee before: Xu Qinghua |
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Granted publication date: 20090819 Termination date: 20160830 |