CN107857576A - A kind of preparation method of aluminum oxide porous proppant - Google Patents

A kind of preparation method of aluminum oxide porous proppant Download PDF

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Publication number
CN107857576A
CN107857576A CN201711069393.1A CN201711069393A CN107857576A CN 107857576 A CN107857576 A CN 107857576A CN 201711069393 A CN201711069393 A CN 201711069393A CN 107857576 A CN107857576 A CN 107857576A
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parts
spherical
aluminum oxide
oxide porous
preparation
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刘建斌
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Jiangxi Xin Tao Polytron Technologies Inc
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Jiangxi Xin Tao Polytron Technologies Inc
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    • 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
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/82—Coating or impregnation with organic materials
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    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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    • C04B2235/656—Aspects 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
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    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects 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
    • C04B2235/6567—Treatment time

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Abstract

The invention discloses a kind of preparation method of aluminum oxide porous proppant, comprise the following steps：1）By alumina powder and montmorillonite, alumina silicate, white carbon, the admixed finepowder that kaolin mixing and ball milling to average grain diameter is 120 280 microns；2）Admixed finepowder is put into nodulizer spherical green compact are made, then spherical green compact are placed in phase inversion in sintering oven, washed after cooling and spherical ripe base is made；3）Spherical ripe base is added into granular synthetic resin surface treatment, after screening out synthetic resin, is dried at a temperature of 100 120 DEG C, produces aluminum oxide porous proppant；The present invention has the advantages of high temperature resistant, high pressure resistant, corrosion-resistant, high intensity, high flow conductivity, low-density, low percentage of damage.

Description

A kind of preparation method of aluminum oxide porous proppant
Technical field
The present invention relates to a kind of preparation method of aluminum oxide porous proppant.
Background technology
Proppant refers to there is certain particle size and the natural sand or artificial high strength ceramic particles of grading.Alumina-supported agent by In the reason for its working environment, to its high temperature resistant, high pressure resistant, corrosion-resistant, high intensity, high flow conductivity, low-density, low percentage of damage It is higher Deng requirement.Existing alumina-supported agent is difficult to while while has both above-mentioned technical requirements.
The content of the invention
The technical problems to be solved by the invention are the shortcomings that overcoming above prior art：There is provided it is a kind of have high temperature resistant, High pressure resistant, corrosion-resistant, high intensity, high flow conductivity, low-density, low percentage of damage aluminum oxide porous proppant preparation method.
The technical solution of the present invention is as follows：A kind of preparation method of aluminum oxide porous proppant, comprises the following steps：
1）It is 120-280 microns by alumina powder and montmorillonite, alumina silicate, white carbon, kaolin mixing and ball milling to average grain diameter Admixed finepowder；
2）By step 1）Obtained admixed finepowder is put into nodulizer plus water rolling glomeration green compact, then spherical green compact are placed in into burning Tie in kiln, be warming up to 1500-1800 DEG C with 120-135 DEG C per hour of heating rate, be incubated 5-10 hour phase inversions, water after cooling It is washed till pH value and spherical ripe base is made for 6-8；
3）By step 2）Obtained spherical ripe base adds the surface for stirring 10-30 minutes in granular synthetic resin realizing spherical ripe base Processing, after screening out synthetic resin, dries at a temperature of 100-120 DEG C, produces aluminum oxide porous proppant.
As optimization, step 1）In, the composition of admixed finepowder is as follows by weight：Alumina powder 100-200 parts, cover De- stone 10-36 parts, alumina silicate 20-27 parts, white carbon 2-7 parts, kaolin 1.5-4.5 parts.
As optimization, step 2）In, spherical green compact are placed in sintering oven, heated up with 130 DEG C per hour of heating rate To 1600 DEG C, the phase transformation conversion of insulation 5-10 hours.
Preferably, step 3）In, the synthetic resin is less than the resin granular material of the spherical ripe base, the tree for granularity Fat granule material is one kind in polyethylene, polypropylene, polyvinyl chloride.
As most preferably, step 1）In, the composition of admixed finepowder is as follows by weight：100 parts of alumina powder, cover de- 18 parts of stone, 25 parts of alumina silicate, 2 parts of white carbon, 1.5 parts of kaolin.
The beneficial effects of the invention are as follows：The present invention by combine each function ingredients sintering process crystalline phase transformation characteristics, Sintering and handling process are combined by specific component ratio, while alumina-supported agent intensity can be effectively ensured, improve it Micro pore shape, its density is reduced, while it is possessed advantages of higher compressive strength, greatly improve specific surface area and pore volume, the present invention It is surface-treated using synthetic resin in alumina-supported agent, can further improves the intensity and guide performance of proppant, make it It is the characteristics of with high temperature resistant, high pressure resistant, corrosion-resistant, high intensity, high flow conductivity, low-density, low percentage of damage, a variety of to be reached for The support of class catalyst prod, the requirement of the service life of extension catalyst.
Embodiment
The present invention is described in further details with specific embodiment below, but the present invention is not only limited in detail below in fact Apply example.
Embodiment one
A kind of preparation method of aluminum oxide porous proppant, comprises the following steps：
1）It is 120-280 microns by alumina powder and montmorillonite, alumina silicate, white carbon, kaolin mixing and ball milling to average grain diameter Admixed finepowder；The composition of admixed finepowder is as follows by weight：120 parts of alumina powder, 0 part of montmorillonite 2, alumina silicate 25 Part, 5 parts of white carbon, 2.5 parts of kaolin.
2）By step 1）Obtained admixed finepowder is put into nodulizer plus water rolling glomeration green compact, then spherical green compact are put In sintering oven, 1600 DEG C are warming up to 130 DEG C per hour of heating rate, insulation realizes that phase transformation converts for 10 hours, after cooling It is washed to pH value and spherical ripe base is made for 6-8；
3）By step 2）Obtained spherical ripe base adds the surface for stirring 10-30 minutes in granular synthetic resin realizing spherical ripe base Processing, the synthetic resin is the polyethylene pellet that granularity is less than the spherical ripe base, after screening out synthetic resin, in 100 DEG C of temperature Degree is lower to dry, and produces aluminum oxide porous proppant.
Embodiment two
A kind of preparation method of aluminum oxide porous proppant, comprises the following steps：
1）It is 120-280 microns by alumina powder and montmorillonite, alumina silicate, white carbon, kaolin mixing and ball milling to average grain diameter Admixed finepowder；The composition of admixed finepowder is as follows by weight：180 parts of alumina powder, 18 parts of montmorillonite, alumina silicate 25 Part, 3 parts of white carbon, 4.5 parts of kaolin.
2）By step 1）Obtained admixed finepowder is put into nodulizer plus water rolling glomeration green compact, then spherical green compact are put In sintering oven, 1800 DEG C are warming up to 120 DEG C per hour of heating rate, insulation realizes that phase transformation converts for 5 hours, water after cooling It is washed till pH value and spherical ripe base is made for 6-8；
3）By step 2）Obtained spherical ripe base adds the surface for stirring 10-30 minutes in granular synthetic resin realizing spherical ripe base Processing, the synthetic resin is the polyethylene pellet that granularity is less than the spherical ripe base, after screening out synthetic resin, in 100-120 Dried at a temperature of DEG C, produce aluminum oxide porous proppant.
Embodiment three
A kind of preparation method of aluminum oxide porous proppant, comprises the following steps：
1）It is 120-280 microns by alumina powder and montmorillonite, alumina silicate, white carbon, kaolin mixing and ball milling to average grain diameter Admixed finepowder；The composition of admixed finepowder is as follows by weight：100 parts of alumina powder, 18 parts of montmorillonite, alumina silicate 25 Part, 2 parts of white carbon, 1.5 parts of kaolin.
2）By step 1）Obtained admixed finepowder is put into nodulizer plus water rolling glomeration green compact, then spherical green compact are put In sintering oven, 1600 DEG C are warming up to 130 DEG C per hour of heating rate, insulation 5-10 hours realize that phase transformation converts, cooling After be washed to pH value spherical ripe base be made for 6-8；
3）By step 2）Obtained spherical ripe base adds the surface for stirring 10-30 minutes in granular synthetic resin realizing spherical ripe base Processing, the synthetic resin is the polyethylene pellet that granularity is less than the spherical ripe base, after screening out synthetic resin, in 100-120 Dried at a temperature of DEG C, produce aluminum oxide porous proppant.
It the above is only the feature implementation example of the present invention, the scope of the present invention be not limited in any way.It is all to use together The technical scheme formed Deng exchange or equivalence replacement, all falls within rights protection scope of the present invention.

Claims (5)

  1. A kind of 1. preparation method of aluminum oxide porous proppant, it is characterised in that：Comprise the following steps：
    1）It is 120-280 microns by alumina powder and montmorillonite, alumina silicate, white carbon, kaolin mixing and ball milling to average grain diameter Admixed finepowder；
    2）By step 1）Obtained admixed finepowder is put into nodulizer plus water rolling glomeration green compact, then spherical green compact are placed in into burning Tie in kiln, be warming up to 1500-1800 DEG C with 120-135 DEG C per hour of heating rate, be incubated 5-10 hour phase inversions, water after cooling It is washed till pH value and spherical ripe base is made for 6-8；
    3）By step 2）Obtained spherical ripe base adds the surface for stirring 10-30 minutes in granular synthetic resin realizing spherical ripe base Processing, after screening out synthetic resin, dries at a temperature of 100-120 DEG C, produces aluminum oxide porous proppant.
  2. 2. the preparation method of aluminum oxide porous proppant according to claim 1, it is characterised in that：Step 1）In, mixing The composition of micro mist is as follows by weight：Alumina powder 100-200 parts, montmorillonite 10-36 parts, alumina silicate 20-27 parts, in vain Carbon black 2-7 parts, kaolin 1.5-4.5 parts.
  3. 3. the preparation method of aluminum oxide porous proppant according to claim 1, it is characterised in that：Step 2）In, by ball Shape green compact are placed in sintering oven, are warming up to 1600 DEG C with 130 DEG C per hour of heating rate, the phase transformation conversion of insulation 5-10 hours.
  4. 4. the preparation method of aluminum oxide porous proppant according to claim 1, it is characterised in that：Step 3）In, it is described Synthetic resin is the resin granular material that granularity is less than the spherical ripe base, and the resin granular material is polyethylene, polypropylene, polyvinyl chloride In one kind.
  5. 5. the preparation method of aluminum oxide porous proppant according to claim 2, it is characterised in that：Step 1）In, mixing The composition of micro mist is as follows by weight：100 parts of alumina powder, 18 parts of montmorillonite, 25 parts of alumina silicate, 2 parts of white carbon are high 1.5 parts of ridge soil.
CN201711069393.1A 2017-11-03 2017-11-03 A kind of preparation method of aluminum oxide porous proppant Pending CN107857576A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116102358A (en) * 2022-12-22 2023-05-12 中触媒新材料股份有限公司 Processing method of aluminum oxide

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009087610A2 (en) * 2008-01-13 2009-07-16 Maniston Enterprises Ltd. Composite material and process for the preparation thereof
CN101906297A (en) * 2010-08-02 2010-12-08 中国地质大学（武汉） Method for preparing film-coated ceramisite proppant by using oil shale wastes
CN106883838A (en) * 2017-04-07 2017-06-23 山东雅丽支撑新材料科技有限公司 A kind of vitreous china ball proppant of extremely-low density high intensity and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009087610A2 (en) * 2008-01-13 2009-07-16 Maniston Enterprises Ltd. Composite material and process for the preparation thereof
CN101906297A (en) * 2010-08-02 2010-12-08 中国地质大学（武汉） Method for preparing film-coated ceramisite proppant by using oil shale wastes
CN106883838A (en) * 2017-04-07 2017-06-23 山东雅丽支撑新材料科技有限公司 A kind of vitreous china ball proppant of extremely-low density high intensity and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116102358A (en) * 2022-12-22 2023-05-12 中触媒新材料股份有限公司 Processing method of aluminum oxide

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