CN102910895B - Attapulgite shale river bottom sludge sintering insulating brick - Google Patents
Attapulgite shale river bottom sludge sintering insulating brick Download PDFInfo
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- CN102910895B CN102910895B CN2012104750421A CN201210475042A CN102910895B CN 102910895 B CN102910895 B CN 102910895B CN 2012104750421 A CN2012104750421 A CN 2012104750421A CN 201210475042 A CN201210475042 A CN 201210475042A CN 102910895 B CN102910895 B CN 102910895B
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- attapulgite shale
- bottom sludge
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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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Abstract
The invention discloses an attapulgite shale river bottom sludge sintering insulating brick. The technical scheme has the key points that the components of the attapulgite shale river bottom sludge sintering insulating brick consist of attapulgite clay mineral tailing powder, shale, river bottom sludge, gangue, pyroclastic rock mixture, bentonite mineral tailing powder, expanded perlite and straw powder. The components of the attapulgite shale river bottom sludge sintering insulating brick are conveyed into a dual-stage vacuum brick press after being evenly stirred, and subjected to vacuum extruding molding and blank cutting to form the semi-finished product of the attapulgite shale river bottom sludge sintering insulating brick, and the semi-finished product is conveyed to a tunnel kiln after being naturally dried and is sintered to form the finished product of the attapulgite shale river bottom sludge sintering insulating brick. The attapulgite shale river bottom sludge sintering insulating brick has the characteristics of good strength, heat preservation, energy saving, soundproof property, heat insulation, and fireproof and flame retardant performances. The components of the attapulgite shale river bottom sludge sintering insulating brick disclosed by the invention adopt massive various wastes, not only the resource utilization rate is favorably improved, but also the wastes are changed into valuable, the occupied land is reduced, the environment is purified and protected, and the resource is saved. The attapulgite shale river bottom sludge sintering insulating brick is suitable for wall construction.
Description
Technical field
The present invention relates to building material field, be specifically related to a kind of Attapulgite shale bed-silt sintering heat-reserving brick.
Background technology
Novel wall material mainly refers to take the material of construction that the non-clay resources such as sandstone, shale, industrial solid waste residue, the remaining soil of building are the starting material mechanization production; there is protection soil, protection of the environment, save energy, utilize refuse, gain in strength and the characteristic such as economic and practical; shale brick is compared with clay solid brick; sharpest edges are that its production does not damage arable land and energy consumption is lower, meet national technical development policy.
Shale is by clay, in earth movement, to be pushed and the rock that forms, there is laminated or laminar bedding, impact easy splinter with hard thing, shale does not have viscosity, and plasticity-and water-permeable are all very poor, just can be processed into shale green bricks after need to pulverizing very carefully by block shale, otherwise dried shale green bricks crackle is many, and can produce explosion in sintering process, fraction defective is higher, has increased production cost.
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.
China is for administering the water quality deterioration of harbour, navigation channel, lake and river water, to take dredging engineering mostly, the bed-silt amount that dredging engineering produces increases day by day, the moiety complexity, easily produce secondary pollution, deal with improperly and will cause totally unfavorable impact to environment, thereby the processing of dredging bed-silt has just been become to people's question of common concern.
China Patent Publication No.: CN102765961A, open day: on November 07th, 2012, patent name is " a kind of method of utilizing shale to prepare the aerating hollow brick ", disclose " a kind of method of utilizing shale to prepare the aerating hollow brick; carry out in accordance with the following steps: (1) presses following butt mass parts mixing raw material: granularity 1000-1500 purpose shale after pulverization process; lime, flyash; (2) 85-95% by above-mentioned steps (1) mixing raw material butt quality adds water, the 0.04-0.06% of mixing raw material butt quality adds the aluminium scrap powder, the 9-11% of lime quality adds gypsum, the 1-4% peregal of aluminium scrap opaque amount, the 0.1-0.3% trolamine of lime quality etc.; Amount of shale of the present invention is large, energy-conserving and environment-protective, alleviates shale and stores up the place problem that processing brings, and provides new raw material sources for hollow brick simultaneously ".
Above-mentioned patent weak point is " by following butt mass parts mixing raw material: granularity 1000-1500 purpose shale after pulverization process; lime; flyash ", 1000-1500 purpose particle fineness is equivalent to 0.012～0.009 millimeter, the production cost that is worked into this particle fineness is very high, can not be applicable to the actual production of building materials industry.
Summary of the invention
The objective of the invention is to overcome weak point in prior art, a kind of Attapulgite shale bed-silt sintering heat-reserving brick is provided.
The batching of Attapulgite shale bed-silt sintering heat-reserving brick is comprised of attapulgite clay mine tailing, shale powder, bed-silt, coal gangue, volcanoclastic rock mixture, wilkinite mine tailing, pearlstone and straw powder.The production method of Attapulgite shale bed-silt sintering heat-reserving brick: be transported in Double-stage vacuum brick making machine after the batching of Attapulgite shale bed-silt sintering heat-reserving brick is stirred, cutting base after extrusion under vacuum is the work in-process of Attapulgite shale bed-silt sintering heat-reserving brick, is transported to the finished product that tunnel kiln sintering becomes Attapulgite shale bed-silt sintering heat-reserving brick after naturally drying.
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 shale bed-silt sintering heat-reserving brick.
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≤0.15 millimeter.
Shale is a kind of sedimentogeneous rock, and complicated component, but the joint that all has thin laminated or thin slice stratiform are mainly the rocks formed through pressure and temperature by the clay deposition, but wherein mix chip and other chemical substances that quartz, feldspar are arranged.According to the composition of its tramp material, can be divided into: calcareous shale, irony shale, siliceous shale, carbonaceous shale, black shale, oil shale etc.The present invention selects the shale powder after pulverizing, particle fineness≤0.15 millimeter.
Bed-silt is to have abandoned or concentrated the mud of stacking, the bed-silt water ratio that the present invention selects≤15%, particle fineness≤1.0 millimeter in the engineerings such as dredging harbour, navigation channel, lake and river.
Coal gangue is the solid waste discharged in coal mining process and coal washing process, the present invention uses coal gangue can save the energy, increase the content of aluminum oxide, improve the intensity of Attapulgite shale bed-silt sintering heat-reserving brick, the present invention selects the particle fineness of coal gangue≤0.15 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 shale bed-silt sintering heat-reserving brick, the present invention selects the volcanoclastic rock mixture after pulverizing, particle fineness≤0.25 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≤0.15 millimeter.
Pearlstone be perlite ore through preheating, the material of the white granular that a kind of inside of making after the TRANSIENT HIGH TEMPERATURE calcining expansion is polynuclear plane.The characteristics such as pearlstone has that apparent density is light, thermal conductivity is low, chemical stability is good, the use temperature scope is wide, wettability power is little, nontoxic, tasteless, fire prevention and sound-absorbing, swelling perlite powder after the present invention selects and pulverizes, particle fineness≤0.15 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 shale bed-silt sintering heat-reserving brick that the present invention adopts straw powder, Attapulgite shale bed-silt sintering heat-reserving brick is in roasting process, straw burning in insulating brick is ashes, form 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 batching of Attapulgite shale bed-silt sintering heat-reserving brick is comprised of following component by weight percentage: attapulgite clay mine tailing 2～25%, shale powder 10～35%, bed-silt 5～25%, coal gangue 2～15%, volcanoclastic rock mixture 2～15%, wilkinite mine tailing 2～15%, swelling perlite powder 1～15%, straw powder 1～10% and water 5～35%;
The production method of described Attapulgite shale bed-silt sintering heat-reserving brick: (1) the batching of Attapulgite shale bed-silt sintering heat-reserving brick is added in the two shaft pugmill mixer moved and stirs, after stirring, be transported in Double-stage vacuum brick making machine, cutting base after extrusion under vacuum is the work in-process of Attapulgite shale bed-silt sintering heat-reserving brick; (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 2～6 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 2～15 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 2～8 hours; (4) naturally cooling after sintering, be packaged as the finished product of Attapulgite shale bed-silt sintering heat-reserving brick;
Described half-finished water ratio per-cent is weight ratio.
Be divided into three phases in Attapulgite shale bed-silt sintering heat-reserving brick roasting process, be conducive to slowly improve maturing temperature, prevent that Attapulgite shale bed-silt sintering heat-reserving brick from producing explosion, guarantees the quality of product.
Attapulgite shale bed-silt sintering heat-reserving brick has that intensity is good, the characteristics of heat preservation energy-saving, sound-insulating and heat-insulating and fire protection flame retarding, and quality meets the standard-required of " GB 26538-2011 sintering heat-reserving brick and insulation blocks ".
In the batching of Attapulgite shale bed-silt sintering heat-reserving brick, 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 shale bed-silt sintering heat-reserving brick is applicable to wall construction
.
Embodiment
1, the batching of Attapulgite shale bed-silt sintering heat-reserving brick is comprised of following component by weight percentage: attapulgite clay mine tailing 15%, shale powder 28%, bed-silt 12%, coal gangue 6%, volcanoclastic rock mixture 8%, wilkinite mine tailing 6% and water 25%;
The production method of described Attapulgite shale bed-silt sintering heat-reserving brick: (1) the batching of Attapulgite shale bed-silt sintering heat-reserving brick is added in the two shaft pugmill mixer moved and stirs, after stirring, be transported in Double-stage vacuum brick making machine, cutting base after extrusion under vacuum is the work in-process of Attapulgite shale bed-silt sintering heat-reserving brick; (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 5 hours; The phase III maturing temperature is controlled at 800～1050 ℃, and roasting time is controlled at 3 hours; (4) naturally cooling after sintering, be packaged as the finished product of Attapulgite shale bed-silt sintering heat-reserving brick.
Claims (1)
1. an Attapulgite shale bed-silt sintering heat-reserving brick, it is characterized in that, the batching of Attapulgite shale bed-silt sintering heat-reserving brick is comprised of following component by weight percentage: attapulgite clay mine tailing 2～25%, shale powder 10～35%, bed-silt 5～25%, coal gangue 2～15%, volcanoclastic rock mixture 2～15%, wilkinite mine tailing 2～15%, swelling perlite powder 1～15%, straw powder 1～10% and water 5～35%;
The production method of described Attapulgite shale bed-silt sintering heat-reserving brick: (1) the batching of Attapulgite shale bed-silt sintering heat-reserving brick is added in the two shaft pugmill mixer moved and stirs, after stirring, be transported in Double-stage vacuum brick making machine, cutting base after extrusion under vacuum is the work in-process of Attapulgite shale bed-silt sintering heat-reserving brick; (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 2～6 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 2～15 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 2～8 hours; (4) naturally cooling after sintering, be packaged as the finished product of Attapulgite shale bed-silt sintering heat-reserving brick;
Described half-finished water ratio per-cent is weight ratio.
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| CN2012104750421A CN102910895B (en) | 2012-11-22 | 2012-11-22 | Attapulgite shale river bottom sludge sintering insulating brick |
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| CN2012104750421A CN102910895B (en) | 2012-11-22 | 2012-11-22 | Attapulgite shale river bottom sludge sintering insulating brick |
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| CN102910895B true CN102910895B (en) | 2013-08-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104761273A (en) * | 2015-03-10 | 2015-07-08 | 柳州市郊区古灵第三砖厂 | A shale light perforated brick |
| CN104761238A (en) * | 2015-03-10 | 2015-07-08 | 柳州市郊区古灵第三砖厂 | Shale high-heat-insulation-modulus brick |
| CN108249893A (en) * | 2018-01-23 | 2018-07-06 | 合肥峰腾节能科技有限公司 | It is a kind of to utilize useless brick and the insulating brick of pond sludge production |
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| JP2009190017A (en) * | 2008-02-12 | 2009-08-27 | Kamei Seito Kk | Raw material of brick-blocked body, brick-blocked body and method for producing brick-blocked body |
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2012
- 2012-11-22 CN CN2012104750421A patent/CN102910895B/en active Active
Patent Citations (4)
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| JP2009190017A (en) * | 2008-02-12 | 2009-08-27 | Kamei Seito Kk | Raw material of brick-blocked body, brick-blocked body and method for producing brick-blocked body |
| CN102503535A (en) * | 2011-11-10 | 2012-06-20 | 许庆华 | Irregularly-shaped attapulgite river sediment ceramsite |
| CN102515697A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Attapulgite river bottom silt ceramsite sand |
| CN102515837A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Spherical attapulgite bed silt ceramsites |
Non-Patent Citations (1)
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Owner name: NANTONG BANGSHUN BUILDING MATERIAL TECHNOLOGY DEVE Free format text: FORMER OWNER: XUYI COUNTY DONGQIANG NEW BUILDING MATERIALS FACTORY Effective date: 20141029 |
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Effective date of registration: 20141029 Address after: 226300 Jiangsu city of Nantong province Tongzhou District Liu Qiao Zhen Jiang Yi Cun 11 groups Patentee after: Nantong state Shun Building Materials Technology Development 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 |