CN106866176A - A kind for the treatment of technology of leather-making mud and gangue - Google Patents

A kind for the treatment of technology of leather-making mud and gangue Download PDF

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Publication number
CN106866176A
CN106866176A CN201710081499.7A CN201710081499A CN106866176A CN 106866176 A CN106866176 A CN 106866176A CN 201710081499 A CN201710081499 A CN 201710081499A CN 106866176 A CN106866176 A CN 106866176A
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China
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leather
gangue
making mud
ball milling
60min
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CN201710081499.7A
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Chinese (zh)
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王莉
万玉山
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常州大学
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1321Waste slurries, e.g. harbour sludge, industrial muds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1324Recycled material, e.g. tile dust, stone waste, spent refractory material
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1328Waste materials; Refuse; Residues without additional clay
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/32Burning methods
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • CCHEMISTRY; METALLURGY
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208Calcium oxide or oxide-forming salts thereof, e.g. lime
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3409Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
    • CCHEMISTRY; METALLURGY
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562Heating rate
    • CCHEMISTRY; METALLURGY
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    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567Treatment time
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

A kind for the treatment of technology of leather-making mud and gangue, by the leather-making mud after ball milling, gangue, cement, kaolin and sodium tetraborate according to mass ratio be 1:1:4:1:1 ratio mixing and stirring;Add water and stir into slurry;With lauryl sodium sulfate as foaming agent, the foam concrete that will be stirred is poured into mould, is then conserved 3~5 days under normal temperature of the humidity more than 80%, the then demoulding;Demolded article is dried under the conditions of 105 ± 0.5 DEG C, 110 DEG C of 20~40min of insulation in electric furnace are put into, then 600 DEG C is risen to 15 DEG C/min, 30~60min is incubated, then 1100~1200 DEG C of 30~60min of sintering are risen to 15 DEG C/min;It is slowly cooled to room temperature after the completion of sintering, is made porous ceramics brick.

Description

A kind for the treatment of technology of leather-making mud and gangue
Technical field
The present invention relates to environmental technology field, the especially treatment technology of a kind of leather-making mud and gangue.
Background technology
Leather-making mud is the byproduct of leather industry, mainly has two parts to originate, and one is in leather production, by original Material skin is changed into leather to be needed by a series of chemistry and mechanical treatment, and tanning agent is the main use agent of leather processing early stage, tannery Generally combined by with hide protein as tanning agent using chromium sulfate basic, collagenous fibres are changed into finished leather.In leather making process In it is not high to the utilization rate of chrome tanning agent, there is 30%~40% chromic salts to have not been able to participate in reaction, chromium left behind in owse, and It is discharged into sewage, sewage forms chromium-bearing sludge after discharge.Two is the process hides that leather-making waste water is formed after biochemical treatment Sludge.Before sewage enters biologic treatment process, removed by chemical settling and wherein dissolve chromium, protein, polyphenolic substance, Surfactant and dyestuff etc., the chromium of sedimentation are discharged with some other organic compound as sludge.It is substantial amounts of due to existing Heavy metal, especially chromium and other metal sulfides etc. are deposited in sludge, by empty gas and water, the collective effect of microorganism Produce acid waste water and discharge heavy metal ion, leather-making mud is turned into hazardous industrial solid waste.
It is at present landfill method, burning method, manufacture building materials to leather-making mud main methods.There is no treated sludge Containing a large amount of toxic elements, there are plurality of heavy metal element and other toxic elements in the percolate produced after Sludge landfill, After being transferred to soil, earth's surface and underground water with sludge penetrating fluid, by each medium to the physics of toxic element in penetrating fluid and Chemical action so that toxin richness exists lasting harm is caused in the middle of medium.The shortcoming of burning method is that processing cost is higher, right The consumption of resource is big.
Leather-making mud can prepare haydite and ceramsite hollow bricks as raw material, and compared with clay solid brick, haydite is empty Heart brick have performance higher, be in particular in that intensity is high, light weight, with anti seismic efficiency and also also have insulation and heat-insulated work( Can, based on above various advantages, ceramsite hollow bricks, as green building material, are a kind of new environmentally friendly materials, can not only Energy consumption is reduced, and a kind of effective utilization approaches are proposed to the treatment of leather-making mud, while reduction environmental pollution By refuse reclamation, as a whole, environment-friendly material is prepared into by by leather-making mud, either economic benefit or society Meeting benefit has all been lifted.
Coal mining enterprise produces substantial amounts of gangue in generating process, the most air storage of gangue, environment is produced compared with Big pollution, therefore gangue is the problem of enterprise's urgent need to resolve.
The content of the invention
The technical problem to be solved in the present invention is:The present invention proposes the treatment technology of a kind of leather-making mud and gangue, system For novel porous Ceramic Tiles are gone out, porous ceramics brick may be used on the multiple fields such as building, municipal administration, solve leather-making mud and gangue Process problem, realize the recycling of waste.
The technical solution adopted for the present invention to solve the technical problems is:Treatment technology of the invention is real as follows Apply:
Method one
(1) dry leather-making mud ball milling;
(2) dry gangue ball milling;
(3) by the leather-making mud after ball milling, gangue, cement, kaolin and sodium tetraborate according to mass ratio be 1: 1:4:1:1 ratio mixing and stirring;
(4) mixture after stirring is added water and stirs into slurry;
(5) with lauryl sodium sulfate as foaming agent, 1% of mixing weight in (3) foaming agent is put into water, so After stir, the solution that will be stirred pours into foaming machine, then start foaming machine foamed;
(6) foams mix that step (4) finish mix slurry is made with step (5), 2 are stirred with mixer~ 5min, the foam concrete that then will be stirred is poured into mould, maintenance 3~5 days under normal temperature of the humidity more than 80%, then The demoulding;
(7) demolded article in (6) is dried under the conditions of 105 ± 0.5 DEG C, is put into electric furnace, protected under the conditions of 110 DEG C 20~40min of temperature, then rises to 600 DEG C with 15 DEG C/min, is incubated 30~60min, then rise to 1100~1200 with 15 DEG C/min DEG C sintering 30~60min;
(8) it is slowly cooled to room temperature after the completion of sintering, is made porous ceramics brick.
Method two
1. leather-making mud and gangue ball milling;
2. waste glass crushing is milled;
3. by the leather-making mud after ball milling, gangue, waste glass powder, aqueous 10~20% starch according to mass ratio It is 2:2:6:1 ratio mixing and stirring is into mixture;
4. addition step 3. it is middle mixing weight 1% boric acid, stir;
5. add again step 3. it is middle mixing weight 1% calcium carbonate, be then stirred into compound;
6. the compound that 5. step makes is poured into compressing tablet groove, then setting pressure dry-pressing, and start tablet press machine is carried out Compressing tablet, compression rate is 1kN/s, and the dwell time is 20~40min, after waiting pressure release, takes out compressing tablet product;
7. the compressing tablet product in 6. is dried under the conditions of 105 ± 0.5 DEG C, is put into electric furnace, it is incubated 20 at 110 DEG C~ 40min, then rises to 600 DEG C with 15 DEG C/min, is incubated 30~60min, then rise to 900~1100 DEG C of sintering 30 with 15 DEG C/min ~60min;
8. it is slowly cooled to room temperature after the completion of sintering, is made porous ceramics brick.
The beneficial effects of the invention are as follows being raw material using leather-making mud, gangue, waste glass powder, using sintering process, system It is standby go out porous ceramics brick, during poisonous and harmful heavy metallic is cured in firming body in sintering process, by after sintering curing, a huge sum of money Category leaching rate is far below national standard;So resource is sintered to leather-making mud, gangue, waste glass powder can solve system The harm of leather sludge, gangue to environment, can make full use of resource again, turn waste into wealth, and this all has to country, society and environment Huge benefit.
Specific embodiment
The present invention, for raw material uses sintering process, prepares porous ceramics brick using leather-making mud, gangue, has both sought system Leather sludge, the recycling of gangue, can also avoid the pollution of leather-making mud, gangue to environment, preserve the ecological environment.
Embodiment 1
(1) dry leather-making mud ball milling;
(2) dry gangue ball milling;
(3) by the leather-making mud after ball milling, gangue, cement, kaolin and sodium tetraborate according to mass ratio be 1: 1:4:1:1 ratio mixing and stirring;
(4) mixture after stirring is added water and stirs into slurry;
(5) with lauryl sodium sulfate as foaming agent, 1% of mixing weight in (3) foaming agent is put into water, so After stir, the solution that will be stirred pours into foaming machine, then start foaming machine foamed;
(6) foams mix that step (4) finish mix slurry is made with step (5), is stirred 5min, so with mixer The foam concrete that will be stirred afterwards is poured into mould, is then conserved 3 days under normal temperature of the humidity more than 80%, the then demoulding;
(7) demolded article in (6) is dried under the conditions of 105 ± 0.5 DEG C, is put into electric furnace, be incubated at 110 DEG C 20min, then rises to 600 DEG C with 15 DEG C/min, is incubated 40min, then rises to 1200 DEG C of sintering 40min with 15 DEG C/min;
(8) it is slowly cooled to room temperature after the completion of sintering, is made porous ceramics brick.
Embodiment 2
(1) leather-making mud and gangue ball milling;
(2) waste glass crushing is milled;
(3) it is according to mass ratio by the leather-making mud after ball milling, gangue, waste glass powder, aqueous 13% starch 2:2:6:1 ratio mixing and stirring;
(4) mix the 1% of weight boric acid in addition (3), stir;
(5) mix the 1% of weight calcium carbonate in addition (3), then stir;
(6) compound that step (5) makes is poured into compressing tablet groove, then sets pressure dry-pressing, and start tablet press machine Row compressing tablet, compression rate is 1kN/s, and the dwell time is 30min, after waiting pressure release, takes out compressing tablet product;
(7) the compressing tablet product in (6) is dried under the conditions of 105 ± 0.5 DEG C, is put into electric furnace, be incubated at 110 DEG C 40min, then rises to 600 DEG C with 15 DEG C/min, is incubated 50min, then rises to 1100 DEG C of sintering 60min with 15 DEG C/min;
(8) it is slowly cooled to room temperature after the completion of sintering, is made porous ceramics brick.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (1)

1. the treatment technology of a kind of leather-making mud and gangue, it is characterised in that:Implement in accordance with the following steps;
Method one
(1) dry leather-making mud ball milling;
(2) dry gangue ball milling;
(3) by the leather-making mud after ball milling, gangue, cement, kaolin and sodium tetraborate according to mass ratio be 1:1:4: 1:1 ratio mixing and stirring;
(4) mixture after stirring is added water and stirs into slurry;
(5) with lauryl sodium sulfate as foaming agent, 1% of mixing weight in (3) foaming agent is put into water, is then stirred Mix uniform, the solution that will be stirred pours into foaming machine, then start foaming machine and foamed;
(6) foams mix that step (4) finish mix slurry is made with step (5), is stirred 2~5min, so with mixer The foam concrete that will be stirred afterwards is poured into mould, is conserved 3~5 days under normal temperature of the humidity more than 80%, the then demoulding;
(7) demolded article in (6) is dried under the conditions of 105 ± 0.5 DEG C, is put into electric furnace, 20 are incubated under the conditions of 110 DEG C ~40min, then rises to 600 DEG C with 15 DEG C/min, is incubated 30~60min, then rise to 1100~1200 DEG C of burnings with 15 DEG C/min 30~60min of knot;
(8) it is slowly cooled to room temperature after the completion of sintering, is made porous ceramics brick;
Method two
1. leather-making mud and gangue ball milling;
2. waste glass crushing is milled;
3. it is 2 according to mass ratio by the leather-making mud after ball milling, gangue, waste glass powder, aqueous 10~20% starch: 2:6:1 ratio mixing and stirring is into mixture;
4. addition step 3. it is middle mixing weight 1% boric acid, stir;
5. add again step 3. it is middle mixing weight 1% calcium carbonate, be then stirred into compound;
6. the compound that 5. step makes is poured into compressing tablet groove, then setting pressure dry-pressing, and start tablet press machine carries out compressing tablet, Compression rate is 1kN/s, and the dwell time is 20~40min, after waiting pressure release, takes out compressing tablet product;
7. the compressing tablet product in 6. is dried under the conditions of 105 ± 0.5 DEG C, is put into electric furnace, it is incubated 20 at 110 DEG C~ 40min, then rises to 600 DEG C with 15 DEG C/min, is incubated 30~60min, then rise to 900~1100 DEG C of sintering 30 with 15 DEG C/min ~60min;
8. it is slowly cooled to room temperature after the completion of sintering, is made porous ceramics brick.
CN201710081499.7A 2017-02-15 2017-02-15 A kind for the treatment of technology of leather-making mud and gangue CN106866176A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459363A (en) * 2017-08-31 2017-12-12 重庆市永川区红石建材有限公司 A kind of porous brick and preparation method thereof
CN107555951A (en) * 2017-08-25 2018-01-09 昆明理工大学 A kind of water conservation porous brick for sponge city and preparation method thereof
CN108424164A (en) * 2018-04-27 2018-08-21 福州大学 A method of utilizing incineration of refuse flyash low-temperature sintering porous ceramics
CN109231959A (en) * 2018-08-15 2019-01-18 陕西科技大学 A kind of preparation method using leather sludge production exterior wall tile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1762882A (en) * 2005-08-26 2006-04-26 河北理工大学 Method for producing ecological architectural material using sludge and gangue
CN101215150A (en) * 2008-01-18 2008-07-09 北京工业大学 Method for burning haydite by solid castoff
CN101717240A (en) * 2009-11-26 2010-06-02 山东轻工业学院 Method for preparing porcelain granules from tannery sludge
CN103044070A (en) * 2013-01-18 2013-04-17 湖北壁玉新材料科技有限公司 Method for preparing super-light foaming ceramic material by utilizing silt of Yangtze River
CN104557105A (en) * 2014-11-24 2015-04-29 湖南科技大学 Preparation method of gangue porous material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1762882A (en) * 2005-08-26 2006-04-26 河北理工大学 Method for producing ecological architectural material using sludge and gangue
CN101215150A (en) * 2008-01-18 2008-07-09 北京工业大学 Method for burning haydite by solid castoff
CN101717240A (en) * 2009-11-26 2010-06-02 山东轻工业学院 Method for preparing porcelain granules from tannery sludge
CN103044070A (en) * 2013-01-18 2013-04-17 湖北壁玉新材料科技有限公司 Method for preparing super-light foaming ceramic material by utilizing silt of Yangtze River
CN104557105A (en) * 2014-11-24 2015-04-29 湖南科技大学 Preparation method of gangue porous material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107555951A (en) * 2017-08-25 2018-01-09 昆明理工大学 A kind of water conservation porous brick for sponge city and preparation method thereof
CN107459363A (en) * 2017-08-31 2017-12-12 重庆市永川区红石建材有限公司 A kind of porous brick and preparation method thereof
CN108424164A (en) * 2018-04-27 2018-08-21 福州大学 A method of utilizing incineration of refuse flyash low-temperature sintering porous ceramics
CN109231959A (en) * 2018-08-15 2019-01-18 陕西科技大学 A kind of preparation method using leather sludge production exterior wall tile

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Application publication date: 20170620