CN102875120A - Production method for attapulgite fire-resistant ceramsite insulation board - Google Patents
Production method for attapulgite fire-resistant ceramsite insulation board Download PDFInfo
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- CN102875120A CN102875120A CN2012104163653A CN201210416365A CN102875120A CN 102875120 A CN102875120 A CN 102875120A CN 2012104163653 A CN2012104163653 A CN 2012104163653A CN 201210416365 A CN201210416365 A CN 201210416365A CN 102875120 A CN102875120 A CN 102875120A
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- attapulgite
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention discloses a production method for an attapulgite fire-resistant ceramsite insulation board. The key points of the technical scheme provided by the invention are that the production method comprises the following steps of: stirring and pressing an accessory of the attapulgite fire-resistant ceramsite insulation board to form semi-finished products of the attapulgite fire-resistant ceramsite insulation board with different shapes; and conveying the semi-finished products to a tunnel kiln for sintering to obtain a finished product of the attapulgite fire-resistant ceramsite insulation board. The accessory of the attapulgite fire-resistant ceramsite insulation board consists of high-viscosity attapulgite clay powder, attapulgite clay tailing powder, spherical attapulgite fire-resistant ceramsite, volcaniclastic rock mixture, bentonite tailing powder and straw powder. The attapulgite fire-resistant ceramsite insulation board has the characteristics of favorable flatness, light weight, low heat conducting coefficient, high refractoriness, corrosion resistance and favorable heat preserving and heat insulating effect. A large amount of various wastes are adopted in the accessory of the attapulgite fire-resistant ceramsite insulation board disclosed by the invention, and thus the improvement on the recycling rate is facilitated and wastes are changed into valuables; and in addition, the occupied land can be reduced, the environment is protected and purified and energy sources are saved. The attapulgite fire-resistant ceramsite insulation board is suitable for construction of various refractory projects.
Description
Technical field
The present invention relates to building material field, be specifically related to a kind of production method of attapulgite fire-retarding ceramsite warming plate.
Background technology
Mineral Resources in China 80% is intergrowth mineral, and a large amount of valuable resources retain among mine tailing, and tailings impoundment need to take a large amount of soils.A lot of Tailings Dams exceed the time limit or excess load is used, and even violation operation, make Tailings Dam have great potential safety hazard, and people's property and the life security of surrounding area caused to serious threat.
Attapulgite clay, except containing attapulgite, often contains the mineral such as montmorillonite, kaolinite, hydromica, sepiolite, quartz, opal and carbonate.
With the volcanoclastic rock that also has of attapulgite clay ore deposit symbiosis, volcanoclastic rock is mostly on the upper strata in attapulgite clay ore deposit, the volcanoclastic rock ore bed on upper strata, some attapulgite clays mining area
'sthickness is up to tens of rice, attapulgite clay is in recovery process, the volcanoclastic rock on upper strata, attapulgite clay mining area is abandoned as waste, investigate factually, the volcanoclastic rock that 1 ton of attapulgite clay of every exploitation produces has more than 30 tons, by the output of producing 150000 tons per year, calculates, the volcanoclastic rock produced is up to 4,500,000 tons, all can be utilized for many years, whole mining area is the volcanoclastic rock mixture of again piling up everywhere, causes the serious wasting of resources and financial loss.
Refractory concrete is a kind ofly can bear high temperature, and at high temperature keeps the special concrete of needed Physical and mechanical properties, formulated by a certain percentage by suitable gelling material, refractory aggregate, fire resistant ceramsites, adulterant and water.
Coal gangue is thrown aside, takies tract, and sulfide in coal gangue is overflowed or leached can atmosphere pollution, farmland and water body, and waste dump also can the spontaneous combustion presence of fire, or, in the avalanche in rainy season, silts river up and cause disaster.
Summary of the invention
The objective of the invention is to overcome weak point in prior art, a kind of production method of attapulgite fire-retarding ceramsite warming plate is provided.
The production method of attapulgite fire-retarding ceramsite warming plate: the batching of attapulgite fire-retarding ceramsite warming plate, through stirring, is pressed into to difform attapulgite fire-retarding ceramsite warming plate work in-process, is transported to the finished product that tunnel kiln sintering becomes the attapulgite fire-retarding ceramsite warming plate.The batching of attapulgite fire-retarding ceramsite warming plate is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, spherical attapulgite refractory ceramsite, volcanoclastic rock mixture, wilkinite mine tailing and straw powder.
Attapulgite clay be a kind of layer of chain-like structure containing Shuifu County's zeopan clay mineral, attapulgite clay soil property exquisiteness, water-absorbent is strong, tool viscosity and plasticity-when wet, be conducive to the bonding between raw material, and can improve intensity and the porosity of attapulgite fire-retarding ceramsite warming plate.
High sticky attapulgite clay powder refers to gets 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on homogenizer, under the rotating speed of 11000 rev/mins, stir 20 minutes, to pour in the beaker of 250ml through the high-speed stirring sample suspension again the viscosity of using NDJ-1 type rotational viscosimeter to be tested its suspension, tested viscosity value>=2200 into
mPasthe attapulgite clay powder be high sticky attapulgite clay powder, the height that the present invention selects glues attapulgite clay powder particles fineness≤0.074 millimeter.
Attapulgite clay can mix in recovery process a certain amount of rubble and earth, can't be sieved, and as a kind of mine tailing, abandons, and causes a large amount of wastings of resources, and the present invention selects the attapulgite clay mine tailing after pulverizing, particle fineness≤0.149 millimeter.
Spherical attapulgite refractory ceramsite is spheroidal, surface irregularity and hard, there is a large amount of trickle pores inside, be a kind of lightweight, ultimate compression strength is high, thermal conductivity is low, refractoriness is high, stable chemical performance, the fire resistant ceramsites that corrosion-resistant and heat preservation and soundproof is effective, the present invention selects the particle diameter of spherical attapulgite refractory ceramsite≤10.0 millimeters.
Volcanoclastic rock is the rock of the transitional type between magma lava and sedimentogeneous rock, wherein the composition more than 50% is comprised of the material of pyroclastic flow ejection, and these tephras are mainly the lava of premature coagulation on volcano, the rock formation that passage is burst on every side when volcanic eruption.The volcanoclastic rock mixture comprises landwaste, brilliant bits, glassiness bits, slurry bits, volcanic block, volcanic gravel and volcanic ash, volcanoclastic rock can increase the intensity of attapulgite fire-retarding ceramsite warming plate, the present invention selects the volcanoclastic rock mixture after pulverizing, particle fineness≤3.0 millimeter.
Wilkinite has plasticity-and agglutinating value(of coal), and the wilkinite mine tailing that the present invention selects is distributed in the lower floor in attapulgite clay ore deposit mostly, is difficult to carry out independent exploitation, quality is also poor, major part is abandoned in the mine tailing district, and the present invention selects the wilkinite mine tailing after pulverizing, particle fineness≤0.25 millimeter.
Stalk is the general name of ripe farm crop cauline leaf (fringe) part, is often referred to wheat, paddy rice, corn, potato class, oil plant, cotton, sugarcane and other farm crop remainder after the results seed.It is in order to increase the porosity of attapulgite fire-retarding ceramsite warming plate that the present invention adopts straw powder, the attapulgite fire-retarding ceramsite warming plate is in roasting process, and the straw burning in warming plate is ashes, forms a large amount of micropores, the present invention selects the straw powder after pulverizing, particle fineness≤1.0 millimeter.
The present invention is achieved by following technical proposals:
1, the production method of attapulgite fire-retarding ceramsite warming plate: (1) the batching of attapulgite fire-retarding ceramsite warming plate is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in pressing machine, be pressed into difform attapulgite fire-retarding ceramsite warming plate work in-process; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel furnace roasting after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 30～300 ℃, and roasting time is controlled at 3～6 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 4～12 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 3～8 hours; (4) naturally cooling after sintering, be packaged as the finished product of attapulgite fire-retarding ceramsite warming plate;
The batching of described attapulgite fire-retarding ceramsite warming plate is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～10%, attapulgite clay mine tailing 5～25%, spherical attapulgite refractory ceramsite 5～25%, volcanoclastic rock mixture 5～25%, wilkinite mine tailing 5～15%, straw powder 1～10% and water 10～35%;
Describedly be pressed into difform attapulgite fire-retarding ceramsite warming plate work in-process, refer to according to the design needs, be pressed into the attapulgite fire-retarding ceramsite warming plate work in-process of square, rectangle, trilateral, ellipse, trapezoidal, quincunx and rhombus;
Described half-finished water ratio per-cent is weight ratio;
Described spherical attapulgite refractory ceramsite is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, GBFS, iron tailings powder, colliery powder, bauxite gangue powder and diatomite mine tailing; The production method of spherical attapulgite refractory ceramsite: be spherical attapulgite refractory ceramsite through mixing, granulation, roasting, cooling and screening by the batching of spherical attapulgite refractory ceramsite.
Spherical attapulgite refractory ceramsite is the patent of invention that the inventor applied on November 10th, 2011, China Patent Publication No.: 102515784A, open day: on 06 27th, 2012.
Be divided into three phases in attapulgite fire-retarding ceramsite warming plate roasting process, be conducive to slowly improve maturing temperature, guarantee the quality of product.
The attapulgite fire-retarding ceramsite warming plate has that planeness is good, lightweight, thermal conductivity is low, refractoriness is high, the characteristics of corrosion-resistant and good effect of heat insulation.
In the batching of attapulgite fire-retarding ceramsite warming plate, the various wastes of a large amount of employing, not only be conducive to improve resource utilization, turns waste into wealth, and can also reduce land occupation, and protection and environment purification are saved the energy, reduce production costs, and increase economic efficiency.
The attapulgite fire-retarding ceramsite warming plate is applicable to various fire-resistant engineering constructions
.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
1, the production method of attapulgite fire-retarding ceramsite warming plate: (1) the batching of attapulgite fire-retarding ceramsite warming plate is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in pressing machine, be pressed into difform attapulgite fire-retarding ceramsite warming plate work in-process; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel furnace roasting after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 30～300 ℃, and roasting time is controlled at 4 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 9 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 5 hours; (4) naturally cooling after sintering, be packaged as the finished product of attapulgite fire-retarding ceramsite warming plate;
The batching of described attapulgite fire-retarding ceramsite warming plate is comprised of following component by weight percentage: high sticky attapulgite clay powder 8%, attapulgite clay mine tailing 16%, spherical attapulgite refractory ceramsite 21%, volcanoclastic rock mixture 20%, wilkinite mine tailing 8%, straw powder 3% and water 24%;
Describedly be pressed into difform attapulgite fire-retarding ceramsite warming plate work in-process, refer to according to the design needs, be pressed into rectangular attapulgite fire-retarding ceramsite warming plate work in-process.
Claims (1)
1. the production method of an attapulgite fire-retarding ceramsite warming plate, it is characterized in that, (1) the batching of attapulgite fire-retarding ceramsite warming plate is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in pressing machine, be pressed into difform attapulgite fire-retarding ceramsite warming plate work in-process; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel furnace roasting after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 30～300 ℃, and roasting time is controlled at 3～6 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 4～12 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 3～8 hours; (4) naturally cooling after sintering, be packaged as the finished product of attapulgite fire-retarding ceramsite warming plate;
The batching of described attapulgite fire-retarding ceramsite warming plate is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～10%, attapulgite clay mine tailing 5～25%, spherical attapulgite refractory ceramsite 5～25%, volcanoclastic rock mixture 5～25%, wilkinite mine tailing 5～15%, straw powder 1～10% and water 10～35%;
Describedly be pressed into difform attapulgite fire-retarding ceramsite warming plate work in-process, refer to according to the design needs, be pressed into the attapulgite fire-retarding ceramsite warming plate work in-process of square, rectangle, trilateral, ellipse, trapezoidal, quincunx and rhombus;
The sticky attapulgite clay powder of described height refers to gets 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on homogenizer, under the rotating speed of 11000 rev/mins, stir 20 minutes, to pour in the beaker of 250ml through the high-speed stirring sample suspension again the viscosity of using NDJ-1 type rotational viscosimeter to be tested its suspension, tested viscosity value>=2200 into
mPasthe attapulgite clay powder be high sticky attapulgite clay powder, the height that the present invention selects glues attapulgite clay powder particles fineness≤0.074 millimeter;
Described spherical attapulgite refractory ceramsite is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, GBFS, iron tailings powder, colliery powder, bauxite gangue powder and diatomite mine tailing; The production method of spherical attapulgite refractory ceramsite: be spherical attapulgite refractory ceramsite through mixing, granulation, roasting, cooling and screening by the batching of spherical attapulgite refractory ceramsite.
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| CN2012104163653A CN102875120B (en) | 2012-10-27 | 2012-10-27 | Production method for attapulgite fire-resistant ceramsite insulation board |
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| CN2012104163653A CN102875120B (en) | 2012-10-27 | 2012-10-27 | Production method for attapulgite fire-resistant ceramsite insulation board |
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| CN102875120B CN102875120B (en) | 2013-10-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692761A (en) * | 2015-02-05 | 2015-06-10 | 安徽忠盛新型装饰材料有限公司 | Environment-friendly composite decoration board containing agave sisalana dregs and production method thereof |
| CN105906321A (en) * | 2016-06-28 | 2016-08-31 | 平凉华晨非金属应用科技有限公司 | Coal gangue lightweight through-hole ceramsite |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009013013A (en) * | 2007-07-04 | 2009-01-22 | Araki Yogyo Kk | Porous brick and its production method |
| CN102515836A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Gravel-shaped attapulgite coal ash ceramic grain |
-
2012
- 2012-10-27 CN CN2012104163653A patent/CN102875120B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009013013A (en) * | 2007-07-04 | 2009-01-22 | Araki Yogyo Kk | Porous brick and its production method |
| CN102515836A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Gravel-shaped attapulgite coal ash ceramic grain |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692761A (en) * | 2015-02-05 | 2015-06-10 | 安徽忠盛新型装饰材料有限公司 | Environment-friendly composite decoration board containing agave sisalana dregs and production method thereof |
| CN105906321A (en) * | 2016-06-28 | 2016-08-31 | 平凉华晨非金属应用科技有限公司 | Coal gangue lightweight through-hole ceramsite |
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| CN102875120B (en) | 2013-10-09 |
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Owner name: NANTONG ZIXIN INDUSTRY CO., LTD. Free format text: FORMER OWNER: XUYI COUNTY DONGQIANG NEW BUILDING MATERIALS FACTORY Effective date: 20141023 |
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Free format text: CORRECT: ADDRESS; FROM: 211700 HUAIAN, JIANGSU PROVINCE TO: 226100 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20141023 Address after: Tongzhou District Shi Gang Zhen Mi Shi Qiao Road 226100 Jiangsu city of Nantong province No. 2 Patentee after: Nantong Zixin Industrial Co.,Ltd. Address before: 211700 Huaian city goussen Mo Jian village in Jiangsu province Xuyi County Township Patentee before: Xuyi County Dongqiang New Building Materials Factory |