CN102515633B - Baking-free cylindrical attapulgite river bottom mud ceramisites - Google Patents

Baking-free cylindrical attapulgite river bottom mud ceramisites Download PDF

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Publication number
CN102515633B
CN102515633B CN2011103523394A CN201110352339A CN102515633B CN 102515633 B CN102515633 B CN 102515633B CN 2011103523394 A CN2011103523394 A CN 2011103523394A CN 201110352339 A CN201110352339 A CN 201110352339A CN 102515633 B CN102515633 B CN 102515633B
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China
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mud
ceramisites
baking
river
free cylindrical
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CN2011103523394A
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Chinese (zh)
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CN102515633A (en
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许庆华
金白云
徐志伟
许盛英
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许庆华
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses baking-free cylindrical attapulgite river bottom mud ceramisites. The main point of the technical scheme is that: the baking-free cylindrical attapulgite river bottom mud ceramisites comprise high viscosity attapulgite clay powder, attapulgite clay tailing powder, bentonite tailing powder, river bottom mud, cement and expanded perlite powder. The components of the baking-free cylindrical attapulgite river bottom mud ceramisites are subjected to mixing, pelletizing, curing, screening and packaging to obtain the baking-free cylindrical attapulgite river bottom mud ceramisites. The baking-free cylindrical attapulgite river bottom mud ceramisites have characteristics of cylindrical structure, rough and hard skin, and tiny gas holes in the internal, and are the building ceramisites with characteristics of high strength, low thermal conduction coefficient, good chemical stability, good durability, good thermal insulation, and good sound insulation. The river bottom mud and the tailings are comprehensively utilized to produce the baking-free cylindrical attapulgite river bottom mud ceramisites, such that the resource utilization rate is improved, the waste is changed into the treasure, and the environment is protected. In addition, the baking-free cylindrical attapulgite river bottom mud ceramisites are suitable for productions of ceramisite concrete, and thermal insulation and sound insulation materials.

Description

Baking-free cylindrical attapulgite river bottom mud ceramisites
Technical field
The present invention relates to haydite, be specifically related to a kind of baking-free cylindrical attapulgite river bottom mud ceramisites.
Background technology
China worsens the dredging engineering generation of taking for administering water quality of landscape water dredging bed-silt amount increases day by day, because the bed-silt water ratio is greater than 75%, moiety is complicated, produce easily secondary pollution, mishandlingly will cause totally unfavorable impact to environment, thereby the treatment and disposal of dredging bed-silt just become people's question of common concern.
The plasticity-of bed-silt is better, be conducive to produce Attapulgite river bottom silt ceramsite, but the bed-silt water ratio is larger, usually the method that reduces the bed-silt water ratio is to concentrate and drying and other treatment, need to consume a large amount of energy, directly have influence on production cost and the quality of bed-silt haydite.
Mineral Resources in China 80% is intergrowth mineral, and a large amount of valuable resources retain among the 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, even violation operation, make Tailings Dam have very big potential safety hazard, and the surrounding area people's property and life security caused serious threat.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of baking-free cylindrical attapulgite river bottom mud ceramisites is provided.
Baking-free cylindrical attapulgite river bottom mud ceramisites is comprised of the sticking attapulgite clay powder of height, attapulgite clay mine tailing, wilkinite mine tailing, bed-silt, cement and swelling perlite powder.
The production method of baking-free cylindrical attapulgite river bottom mud ceramisites: the batching of baking-free cylindrical attapulgite river bottom mud ceramisites is packaged as baking-free cylindrical attapulgite river bottom mud ceramisites after through mixing, granulation, maintenance, screening.
Attapulgite clay be a kind of layer of chain-like structure contain Shuifu County's zeopan clay mineral, the attapulgite clay soil property is fine and smooth, water-absorbent is strong, tool viscosity and plasticity-when wet, be conducive to the bonding between the raw material, can improve granule strength, sticking power and the porosity of baking-free cylindrical attapulgite river bottom mud ceramisites sand.
High sticking attapulgite clay powder refers to get 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 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 test its suspension, tested viscosity value 〉=2200 into MPasThe attapulgite clay powder be high sticking attapulgite clay powder, the height that the present invention selects glues attapulgite clay powder particles fineness≤0.074 millimeter.
The wilkinite water-absorbent is strong, has plasticity-and agglutinating value(of coal), is used for the granule strength that the present invention can improve baking-free cylindrical attapulgite river bottom mud ceramisites.
Attapulgite clay and wilkinite can mix in recovery process a certain amount of rubble and earth, can't sieve, abandon as a kind of mine tailing, cause a large amount of wastings of resources, the present invention pulverizes attapulgite clay mine tailing and wilkinite mine tailing respectively and is mine tailing, particle fineness≤0.15 millimeter.
The bed-silt water ratio is greater than 75%, be difficult to carry out drying treatment, because bed-silt plasticity-is better, after the sticking attapulgite clay powder of height, attapulgite clay mine tailing, wilkinite mine tailing, cement, swelling perlite powder and bed-silt mixing, the water content of mixture can be below the fast-descending to 20%, the bed-silt particle fineness that the present invention selects≤0.15 millimeter.
The present invention adopts the ordinary Portland cement of cement mark 〉=42.5.
Expanded perlite granule is white in color or is light grey, and polynuclear plane is contained in inside, is used for making the goods such as thermal insulation, sound-absorbing, fire prevention, the swelling perlite powder particle fineness that the present invention selects≤0.15 millimeter.
The present invention is achieved by following technical proposals:
1, the batching of baking-free cylindrical attapulgite river bottom mud ceramisites is comprised of following component by weight percentage: high sticking attapulgite clay powder 1~10%, attapulgite clay mine tailing 5~25%, wilkinite mine tailing 5~20%, bed-silt 45~65%, cement 5~20% and swelling perlite powder 1~10%.
2, input the Squeezinggranulator granulation after the batching adding stirrer for mixing of the production method of baking-free cylindrical attapulgite river bottom mud ceramisites: ⑴ with baking-free cylindrical attapulgite river bottom mud ceramisites, particle diameter is controlled at 3~15 millimeters, and particle length is controlled at 10~40 millimeters; ⑵ the particle after with granulation is transported to the indoor conventional maintenance of carrying out cement products of concrete pouring 28 days, is packaged as baking-free cylindrical attapulgite river bottom mud ceramisites after the screening.
Screening is the chip that produces in maintenance processes in order to remove baking-free cylindrical attapulgite river bottom mud ceramisites.
Use the production method of baking-free cylindrical attapulgite river bottom mud ceramisites to produce haydite, have that granulation speed is fast, yield rate is high, output is large, maintenance process is simple, low production cost and the characteristics that are easy to apply.
Baking-free cylindrical attapulgite river bottom mud ceramisites is cylindrical, and epidermis is coarse and hard, and there is trickle pore inside, is that a kind of intensity is high, thermal conductivity is low, chemical stability good, weather resistance and the good building porcelain granule of heat preservation and soundproof performance.
The present invention fully utilizes bed-silt and mine tailing is produced baking-free cylindrical attapulgite river bottom mud ceramisites, is conducive to improve resource utilization, turns waste into wealth, and can also reduce land occupation, and protection of the environment and environment purification are to achieve many things at one stroke.
Baking-free cylindrical attapulgite river bottom mud ceramisites is applicable to produce haydite concrete and heat-insulating and noise-insulating material.
Embodiment
The invention will be further described below in conjunction with embodiment:
1, the batching of baking-free cylindrical attapulgite river bottom mud ceramisites is comprised of following component by weight percentage: high sticking attapulgite clay powder 3%, attapulgite clay mine tailing 18%, wilkinite mine tailing 10%, bed-silt 50%, cement 15% and swelling perlite powder 4%.
2, input Squeezinggranulator after the batching adding stirrer for mixing of the production method of baking-free cylindrical attapulgite river bottom mud ceramisites: ⑴ with baking-free cylindrical attapulgite river bottom mud ceramisites and carry out granulation, particle diameter is controlled at 10 millimeters, and particle length is controlled at 25~30 millimeters; ⑵ the particle after with granulation is transported to the indoor conventional maintenance of carrying out cement products of concrete pouring 28 days, is packaged as baking-free cylindrical attapulgite river bottom mud ceramisites after the screening.

Claims (1)

1. baking-free cylindrical attapulgite river bottom mud ceramisites, it is characterized in that the batching of baking-free cylindrical attapulgite river bottom mud ceramisites is comprised of following component by weight percentage: high sticking attapulgite clay powder 1~10%, attapulgite clay mine tailing 5~25%, wilkinite mine tailing 5~20%, bed-silt 45~65%, cement 5~20% and swelling perlite powder 1~10%;
Input the Squeezinggranulator granulation after the batching adding stirrer for mixing of the production method of described baking-free cylindrical attapulgite river bottom mud ceramisites: ⑴ with baking-free cylindrical attapulgite river bottom mud ceramisites, particle diameter is controlled at 3~15 millimeters, and particle length is controlled at 10~40 millimeters; ⑵ the particle after with granulation is transported to the indoor conventional maintenance of carrying out cement products of concrete pouring 28 days, is packaged as baking-free cylindrical attapulgite river bottom mud ceramisites after the screening.
CN2011103523394A 2011-11-10 2011-11-10 Baking-free cylindrical attapulgite river bottom mud ceramisites CN102515633B (en)

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CN102515633B true CN102515633B (en) 2013-04-17

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102992706B (en) * 2012-09-30 2014-05-14 盱眙县东强新型建材厂 Baking-free attapulgite construction waste insulation board
CN102992705B (en) * 2012-09-30 2014-05-14 盱眙县东强新型建材厂 Baking-free attapulgite construction waste insulation board
CN102992732B (en) * 2012-09-30 2014-05-14 盱眙县东强新型建材厂 Attapulgite construction waste insulation board
CN102863257B (en) * 2012-10-27 2013-10-09 盱眙县东强新型建材厂 Attapulgite river bottom sludge ceramsite insulating brick
CN102875122B (en) * 2012-10-27 2013-08-14 盱眙县东强新型建材厂 Production method for attapulgite fly ash insulation board
CN102887684B (en) * 2012-10-27 2014-05-14 盱眙县东强新型建材厂 Unfired attapulgite fly ash haydite thermal-insulation brick
CN102887686B (en) * 2012-10-27 2013-10-16 盱眙县东强新型建材厂 Burning-free attapulgite construction waste ceramsite insulating brick
CN102887685B (en) * 2012-10-27 2013-10-16 盱眙县东强新型建材厂 Unfired attapulgite bed silt haydite thermal-insulation brick
CN102887687B (en) * 2012-10-27 2013-10-16 盱眙县东强新型建材厂 Burning-free attapulgite coal ash insulating bricks
CN102887688B (en) * 2012-10-27 2013-10-16 盱眙县东强新型建材厂 Production method of burning-free attapulgite coal ash insulation boards
CN102923983B (en) * 2012-10-27 2014-02-26 许庆华 Attapulgite volcaniclastic rock fiber concrete aggregate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102161576A (en) * 2010-02-24 2011-08-24 古金盛 Light-weight aggregate and manufacturing method thereof
CN102229487A (en) * 2011-04-25 2011-11-02 无锡市康顺节能材料科技有限公司 Baking-free insulating brick and production method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102161576A (en) * 2010-02-24 2011-08-24 古金盛 Light-weight aggregate and manufacturing method thereof
CN102229487A (en) * 2011-04-25 2011-11-02 无锡市康顺节能材料科技有限公司 Baking-free insulating brick and production method thereof

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