CN106747570B - A kind of efficiency slow release type blue series sintering ceramsite - Google Patents

A kind of efficiency slow release type blue series sintering ceramsite Download PDF

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Publication number
CN106747570B
CN106747570B CN201710004608.5A CN201710004608A CN106747570B CN 106747570 B CN106747570 B CN 106747570B CN 201710004608 A CN201710004608 A CN 201710004608A CN 106747570 B CN106747570 B CN 106747570B
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China
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cobalt
content
slow release
bauxite
lime stone
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Expired - Fee Related
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CN201710004608.5A
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CN106747570A (en
Inventor
李来波
李彦林
芦令超
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University of Jinan
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University of Jinan
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention discloses a kind of efficiency slow release type blue series sintering ceramsites, it is made by the raw material of following parts by weight: bauxite 30 ~ 50, zeolite 25 ~ 40, cobalt slag 15 ~ 25, lime stone 4 ~ 12.The haydite efficiency slow release better performances, bright in colour, the efficiency slow release period, color was ash indigo plant to navy blue up to 60 ~ 80 days, demand of the plant growth to nutrient had both been able to satisfy, but also with good visual effect.

Description

A kind of efficiency slow release type blue series sintering ceramsite
Technical field
The invention belongs to ecological decoration Material Field more particularly to a kind of efficiency slow release type blue series sintering ceramsites.
Background technique
Sintering ceramsite has certain mechanical property, and the permeability that absorbs water is good, is therefore widely used in potting flower The fields such as grass, soilless cultivation, vegetation maintenance, landscape planting.
Existing sintering ceramsite surface layer hard and compact, although internal contain a large amount of honeycomb micropore, these micropore bases This is all closed, non-interconnected.Therefore the nutrient manually applied cannot be introduced into inside haydite micropore, so existing sintering is made pottery It is poor that granulated fertilizer imitates sustained release performance.
In addition, existing ordinary sinter haydite color is gloomy, visual effect is poor.Although and existing colored sintering ceramsite color Pool is bright-coloured, but its structure is complex (generally colorant layer wraps up base-material body), and preparation difficulty is larger, and higher cost does not utilize In high volume, industrialized production.
Summary of the invention
In order to solve the problems, such as that above-mentioned sintering ceramsite exists, the present invention provides a kind of sintering of efficiency slow release type blue series to make pottery Grain.The haydite efficiency slow release better performances, bright in colour, the efficiency slow release period, color was that ash is blue to dark blue up to 60 ~ 80 days Color had both been able to satisfy demand of the plant growth to nutrient, but also with good visual effect.
Technical scheme is as follows:
A kind of efficiency slow release type blue series sintering ceramsite, which is characterized in that it is made by the raw material of following parts by weight: aluminium Alumina 30 ~ 50, zeolite 25 ~ 40, cobalt slag 15 ~ 25, lime stone 4 ~ 12.
The bauxite is low-grade bauxite or bauxite slag, in chemical composition alumina content between 30 ~ 41%, silica content is between 28 ~ 40%.
The zeolite is natural silica-rich zeolite, and silica content is between 70 ~ 85% in chemical composition.
The cobalt slag is that acidleach cobalt concentrate refines the tailings generated after cobalt, and cobalt oxide content is between 30 in chemical composition ~ 45%, sulfur trioxide content is between 14 ~ 21%.
The lime stone is low-grade dolomitic lime stone, and content of magnesia is between 6.5 ~ 11%.
The blue series sintering ceramsite is using bauxite, zeolite, cobalt slag and lime stone as raw material, under certain temperature schedule It is sintered.Low-grade bauxite or bauxite slag are that the tailing or waste residue generated after aluminium oxide, the low product in China are refined in industry The annual output of position bauxite and bauxite slag is more than 100,000,000 tons.Now for the processing of low-grade bauxite and bauxite slag Generally air storage or burial, but both processing modes not only result in the wasting of resources, can also generation environment pollution, therefore The recycling of low-grade bauxite and bauxite slag is the problem of current urgent need to resolve.China's zeolite resource very abundant, But based on silica-rich zeolite, activity is poor, and Development volue is lower.Cobalt is rare metal, and China generally uses acidleach cobalt concentrate Mode refine cobalt, but the refinement mode can generate a large amount of tailings containing cobalt, also referred to as cobalt slag, be generally now for cobalt slag Burial processing, causes the great wasting of resources.In addition, China's fat lime stone resource gradually decreases, need to low-grade high magnesium Lime stone develops and utilizes.Low-grade bauxite or bauxite slag can provide suitable aluminium oxide and silica；Zeolite A large amount of silica can be provided, and its porous structure has good efficiency slow release performance；Cobalt slag contains a certain amount of cobalt, Adjustable haydite color；Dolomitic lime stone can provide suitable calcium oxide and magnesia, promote the sintering of haydite.
Of the invention has the prominent advantages that
(1) sintering ceramsite of the invention has good efficiency slow release performance；
(2) sintering ceramsite of the invention is bright in colour, and color is ash indigo plant to navy blue, and visual effect is preferable；
(3) raw material is easy to get, simple process and low cost.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below.
Embodiment 1
A kind of efficiency slow release type blue series sintering ceramsite, each component parts by weight are as follows:
Low-grade bauxite 30
Silica-rich zeolite 40
Cobalt slag 18
Dolomitic lime stone 12
Alumina content is 41% in above-mentioned low-grade bauxite chemical composition, silica content 28%；Silica-rich zeolite Learning silica content in composition is 70%；Cobalt oxide content is 30% in cobalt dreg chemistry composition, sulfur trioxide content 14%；Gao Mei Content of magnesia is 6.5% in lime stone chemical composition.
By low-grade bauxite, silica-rich zeolite, cobalt slag and dolomitic lime stone ratio mixed-powder by weight to certain fineness (200 mesh screen residues are between 1 ~ 5%), dries 25 minutes in 105 DEG C of environment after mixing balling-up with suitable quantity of water, later 980 DEG C of environment again Middle calcining 55 minutes.The sintering ceramsite color is dusty blue, and single-dose application, the efficiency slow release period was up to 80 days.
Embodiment 2
A kind of efficiency slow release type blue series sintering ceramsite, each component parts by weight are as follows:
Low-grade bauxite 50
Silica-rich zeolite 25
Cobalt slag 15
Dolomitic lime stone 10
Alumina content is 30% in above-mentioned low-grade bauxite chemical composition, silica content 40%；Silica-rich zeolite Learning silica content in composition is 85%；Cobalt oxide content is 40% in cobalt dreg chemistry composition, sulfur trioxide content 17%；Gao Mei Content of magnesia is 9% in lime stone chemical composition.
By low-grade bauxite, silica-rich zeolite, cobalt slag and dolomitic lime stone ratio mixed-powder by weight to certain fineness (200 mesh screen residues are between 1 ~ 5%) is dried 25 minutes after mixing balling-up with suitable quantity of water in 105 DEG C of environment, later in 980 DEG C of environment Middle calcining 55 minutes.The sintering ceramsite color is light blue, single-dose application, and the efficiency slow release period was up to 60 days.
Embodiment 3
A kind of efficiency slow release type blue series sintering ceramsite, each component parts by weight are as follows:
Low-grade bauxite 39
Silica-rich zeolite 35
Cobalt slag 20
Dolomitic lime stone 6
Alumina content is 35% in above-mentioned low-grade bauxite chemical composition, silica content 30%；Silica-rich zeolite Learning silica content in composition is 78%；Cobalt oxide content is 43% in cobalt dreg chemistry composition, sulfur trioxide content 20%；Gao Mei Content of magnesia is 8% in lime stone chemical composition.
By low-grade bauxite, silica-rich zeolite, cobalt slag and dolomitic lime stone ratio mixed-powder by weight to certain fineness (200 mesh screen residues are between 1 ~ 5%), dries 25 minutes in 105 DEG C of environment after mixing balling-up with suitable quantity of water, later 980 DEG C of environment again Middle calcining 55 minutes.The sintering ceramsite color is blue, and single-dose application, the efficiency slow release period was up to 71 days.
Embodiment 4
A kind of efficiency slow release type blue series sintering ceramsite, each component parts by weight are as follows:
Low-grade bauxite 43
Silica-rich zeolite 28
Cobalt slag 25
Dolomitic lime stone 4
Alumina content is 33% in above-mentioned low-grade bauxite chemical composition, silica content 36%；Silica-rich zeolite Learning silica content in composition is 82%；Cobalt oxide content is 45% in cobalt dreg chemistry composition, sulfur trioxide content 21%；Gao Mei Content of magnesia is 11% in lime stone chemical composition.
By low-grade bauxite, silica-rich zeolite, cobalt slag and dolomitic lime stone ratio mixed-powder by weight to certain fineness (200 mesh screen residues are between 1 ~ 5%), dries 25 minutes in 105 DEG C of environment after mixing balling-up with suitable quantity of water, later 980 DEG C of environment again Middle calcining 55 minutes.The sintering ceramsite color is navy blue, and single-dose application, the efficiency slow release period was up to 63 days.

Claims (5)

1. a kind of efficiency slow release type blue series sintering ceramsite, which is characterized in that it is made by the raw material of following parts by weight: aluminium alum Native 30 ~ 50, zeolite 25 ~ 40, cobalt slag 15 ~ 25, lime stone 4 ~ 12.
2. haydite according to claim 1, which is characterized in that the bauxite is low-grade bauxite or bauxite ore Slag, alumina content is between 30 ~ 41% in chemical composition, and silica content is between 28 ~ 40%.
3. haydite according to claim 1, which is characterized in that the zeolite is natural silica-rich zeolite, chemical composition Middle silica content is between 70 ~ 85%.
4. haydite according to claim 1, which is characterized in that the cobalt slag is to generate after acidleach cobalt concentrate refines cobalt Tailings, cobalt oxide content is between 30 ~ 45% in chemical composition, and sulfur trioxide content is between 14 ~ 21%.
5. haydite according to claim 1, which is characterized in that the lime stone is low-grade dolomitic lime stone, oxygen Change content of magnesium between 6.5 ~ 11%.
CN201710004608.5A 2017-01-04 2017-01-04 A kind of efficiency slow release type blue series sintering ceramsite Expired - Fee Related CN106747570B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111116264A (en) * 2020-01-07 2020-05-08 青岛农业大学 Preparation method of nitrogen-free ceramsite slow-release fertilizer for water body culture

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1445198A (en) * 2002-03-20 2003-10-01 孙志峰 Multiple functional denatured haycites and its manufacturing methods
CN103570373A (en) * 2012-08-03 2014-02-12 河南美赛克科技有限公司 Composition for manufacturing filtering material ceramsite and manufacture method of filtering material ceramsite
CN105439533A (en) * 2016-01-11 2016-03-30 曹树梁 Method and production line for producing ceramic particles by using various hazardous wastes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1445198A (en) * 2002-03-20 2003-10-01 孙志峰 Multiple functional denatured haycites and its manufacturing methods
CN103570373A (en) * 2012-08-03 2014-02-12 河南美赛克科技有限公司 Composition for manufacturing filtering material ceramsite and manufacture method of filtering material ceramsite
CN105439533A (en) * 2016-01-11 2016-03-30 曹树梁 Method and production line for producing ceramic particles by using various hazardous wastes

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