CN102863203A - Production method of attapulgite coal ash ceramicite insulating plates - Google Patents
Production method of attapulgite coal ash ceramicite insulating plates Download PDFInfo
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- CN102863203A CN102863203A CN2012104163583A CN201210416358A CN102863203A CN 102863203 A CN102863203 A CN 102863203A CN 2012104163583 A CN2012104163583 A CN 2012104163583A CN 201210416358 A CN201210416358 A CN 201210416358A CN 102863203 A CN102863203 A CN 102863203A
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- attapulgite
- ceramicite
- coal ash
- warming plate
- insulating plates
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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
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a production method of attapulgite coal ash ceramicite insulating plates. The technical points of the production method are as follows: stirring ingredients, pressing the stirred ingredients to form semi-finished products of the attapulgite coal ash ceramicite insulating plates, conveying the semi-finished products to a tunnel kiln and then sintering to form finished products of the attapulgite coal ash ceramicite insulating plates, wherein the ingredients of the attapulgite coal ash ceramicite insulating plates consist of hyperviscous attapulgite clay powder, attapulgite clay tail mineral powder, pyroclastic rock mixture, ball-shaped attapulgite coal ash ceramicite and bentonite tail mineral powder. The attapulgite coal ash ceramicite insulating plates have the advantages of good evenness, small weight, shock resistance, thermal insulation, heat and sound insulation, fire flame retardant, weather resistance, crack and water resistance and reducing of the consolidation loads of buildings. The ingredients of the attapulgite coal ash ceramicite insulating plates utilize a great deal of wastes so as to help to increase the resource utilization rate, enable the wastes to be profitable, further reduce occupied lands, protect and purify the environment and save the energy, and therefore, the attapulgite coal ash ceramicite insulating plates are suitable for construction of various fireproof engineering.
Description
Technical field
The present invention relates to building material field, be specifically related to a kind of production method of attapulgite flyash haydite 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.
The volcanoclastic rock that also has with the symbiosis of attapulgite clay ore deposit, volcanoclastic rock is mostly on the upper strata in attapulgite clay ore deposit, the thickness of the volcanoclastic rock ore bed on upper strata, some attapulgite clays mining area 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, calculate, 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, cause the serious wasting of resources and financial loss.
Flyash is to receive the thin ash of catching in the flue gas from coal combustion, flyash is also the main solid waste that coal-burning power plant discharges, be one of industrial residue that the current discharge capacity of China is larger, along with the development of power industry, the flyash quantity discharged of coal-burning power plant increases year by year.A large amount of flyash does not add processing, will produce airborne dust, atmosphere pollution; If enter water system, can cause river to silt up, toxic chemical substance wherein also can work the mischief to human body and biology.
Haydite is a kind of artificial lightweight coarse aggregate, and case surface is coarse and hard, and inner porous, generally formed through pulverizing, granulation, sintering and screening by materials such as shale, clay rocks.
Summary of the invention
The objective of the invention is to overcome weak point in prior art, a kind of production method of attapulgite flyash haydite warming plate is provided.
The production method of attapulgite flyash haydite warming plate: the batching of attapulgite flyash haydite warming plate process is stirred, be pressed into difform attapulgite flyash haydite warming plate work in-process, be transported to the finished product that tunnel kiln sintering becomes attapulgite flyash haydite warming plate.The batching of attapulgite flyash haydite warming plate is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, volcanoclastic rock mixture, spherical attapulgite lytag and wilkinite mine tailing.
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 flyash haydite 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.
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 flyash haydite warming plate, the present invention selects the volcanoclastic rock mixture after pulverizing, particle fineness≤3.0 millimeter.
The flyash main component is silicon-dioxide, aluminium sesquioxide, ferric oxide, calcium oxide and unburnt carbon, do not fire charcoal and be loose porous form more, can increase the porosity of attapulgite flyash haydite warming plate and reduce energy consumption, the present invention selects the flyash after pulverizing, particle fineness≤0.25 millimeter.
The spherical attapulgite lytag is spheroidal, epidermis is coarse and hard, there is a large amount of trickle pores inside, be a kind of lightweight, intensity is high, thermal conductivity is low, refractoriness is high, chemical stability is good, weather resistance and the good building porcelain granule of heat preservation and soundproof performance, and the present invention selects the particle diameter of spherical attapulgite lytag≤10.0 millimeters.
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.
The present invention is achieved by following technical proposals:
1, the production method of attapulgite flyash haydite warming plate: (1) the batching of attapulgite flyash haydite 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 flyash haydite 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 flyash haydite warming plate;
The batching of described attapulgite flyash haydite warming plate is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, volcanoclastic rock mixture 5～25%, spherical attapulgite lytag 5～25%, wilkinite mine tailing 5～15% and water 10～35%;
Describedly be pressed into difform attapulgite flyash haydite warming plate work in-process, refer to according to the design needs, be pressed into the attapulgite flyash haydite warming plate work in-process of square, rectangle, trilateral, ellipse, trapezoidal, quincunx or rhombus;
Described half-finished water ratio per-cent is weight ratio.
Described spherical attapulgite lytag is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, flyash, Kaolin Tailings powder, quartz sand mine tailing and wood dust.The production method of spherical attapulgite lytag: be the spherical attapulgite lytag through mixing, granulation, roasting, cooling and screening by the batching of spherical attapulgite lytag.
The spherical attapulgite lytag is the patent of invention that the inventor applied on November 10th, 2011, China Patent Publication No.: 102515832A, open day: on 06 27th, 2012.
Be divided into three phases in attapulgite flyash haydite warming plate roasting process, be conducive to slowly improve maturing temperature, guarantee the quality of product.
Attapulgite flyash haydite warming plate has that planeness is good, the characteristics of light weight antidetonation, heat preservation energy-saving, sound-insulating and heat-insulating, fire protection flame retarding, weather resistance, anti-cracking waterproof and reduction building construction load.
In the batching of attapulgite flyash haydite 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.
Attapulgite flyash haydite warming plate is applicable to the wall construction of various buildings
.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
1, the production method of attapulgite flyash haydite warming plate: (1) the batching of attapulgite flyash haydite 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 flyash haydite 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 5 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 flyash haydite warming plate;
The batching of described attapulgite flyash haydite warming plate is comprised of following component by weight percentage: high sticky attapulgite clay powder 6%, attapulgite clay mine tailing 18%, volcanoclastic rock mixture 22%, spherical attapulgite lytag 18%, wilkinite mine tailing 8% and water 28%;
Describedly be pressed into difform attapulgite flyash haydite warming plate work in-process, refer to according to the design needs, be pressed into rectangular attapulgite flyash haydite warming plate work in-process.
Claims (1)
1. the production method of an attapulgite flyash haydite warming plate, it is characterized in that, (1) the batching of attapulgite flyash haydite 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 flyash haydite 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 flyash haydite warming plate;
The batching of described attapulgite flyash haydite warming plate is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, volcanoclastic rock mixture 5～25%, spherical attapulgite lytag 5～25%, wilkinite mine tailing 5～15% and water 10～35%;
Describedly be pressed into difform attapulgite flyash haydite warming plate work in-process, refer to according to the design needs, be pressed into the attapulgite flyash haydite warming plate work in-process of square, rectangle, trilateral, ellipse, trapezoidal, quincunx or 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 lytag is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, flyash, Kaolin Tailings powder, quartz sand mine tailing and wood dust; The production method of spherical attapulgite lytag: be the spherical attapulgite lytag through mixing, granulation, roasting, cooling and screening by the batching of spherical attapulgite lytag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104163583A CN102863203A (en) | 2012-10-27 | 2012-10-27 | Production method of attapulgite coal ash ceramicite insulating plates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104163583A CN102863203A (en) | 2012-10-27 | 2012-10-27 | Production method of attapulgite coal ash ceramicite insulating plates |
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| CN102863203A true CN102863203A (en) | 2013-01-09 |
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| CN2012104163583A Pending CN102863203A (en) | 2012-10-27 | 2012-10-27 | Production method of attapulgite coal ash ceramicite insulating plates |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007718A (en) * | 2007-01-29 | 2007-08-01 | 袁长兵 | Attapulgite insulated brick for sun-light green-house |
| CN102515832A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Spherical attapulgite fly ash ceramsites |
| CN102515786A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Gravel-shaped attapulgite fireproof ceramsite |
-
2012
- 2012-10-27 CN CN2012104163583A patent/CN102863203A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007718A (en) * | 2007-01-29 | 2007-08-01 | 袁长兵 | Attapulgite insulated brick for sun-light green-house |
| CN102515832A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Spherical attapulgite fly ash ceramsites |
| CN102515786A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Gravel-shaped attapulgite fireproof ceramsite |
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Application publication date: 20130109 |