Location:PRODUCT ? Alumina Ceramic Ball

                Detailed information

                The inert alumina ceramic ball is broadly utilized as the covering or supporting materials of the catalyst in the reactors and the packing in the columns in such varied areas, for example, petroleum, chemical industry, chemical fertilizer, natural gas, and environmental protection etc. There are lots of merits for it, for instance, the stronger resistance to high temperature and high pressure, lower ratio of the moisture absorbing, more stable chemical properties, and so on. It is capable of enduring the corrosion of acid, alkali, and organic solvent. In addition, it can also bear the rapid transitions of temperature during the operation. In fact, its principal functions are to accelerate the distribution of gas or liquid, and support or protect the active catalyst, which especially has the relevantly lower mechanical strength.
                 

                Chemical Compositions

                 

                 

                Chemical compositions
                Content
                Al2O3
                (Standard value +4) %
                Al2O3+SiO2
                ≥92%
                Fe2O3
                <1%

                 
                Physical and chemical properties 
                 

                 

                Main crystal phases
                Al2O3
                Property
                Feldstar
                Feldstar-mullite
                Mullite
                Mullite-corundum
                Corundum
                20-25
                25-45
                45-70
                70-90
                >90
                Bulk density, (g/cm3)
                1.3-2.0
                Water sorption, %
                <3
                <1
                Acid resistance, %
                >98
                Alkali resistance, %
                >80
                >82
                >85
                >90
                >95
                Spalling resistance
                >250
                >300
                >500
                >700
                >800
                Refractoriness ?
                >1300
                >1400
                >1500
                >1600
                >1700
                Crushing strength, KN/particle
                Ø6
                >0.40
                >0.45
                >0.6
                >0.7
                >0.8
                Ø8
                >0.7
                >0.8
                >0.9
                >1.0
                >1.2
                Ø10
                >0.9
                >1.0
                >1.2
                >1.5
                >1.8
                Ø13
                >1.2
                >1.3
                >1.6
                >1.8
                >2.0
                Ø16
                >1.5
                >1.6
                >1.8
                >2.3
                >2.6
                Ø20
                >1.8
                >2.0
                >2.3
                >2.8
                >3.20
                Ø25
                >2.5
                >2.8
                >3.2
                >3.6
                >4.0
                Ø30
                >2.8
                >3.0
                >3.5
                >4.0
                >4.5
                Ø38
                >4.0
                >4.5
                >5.0
                >5.5
                >6.0
                Ø50
                >6.0
                >6.2
                >10.0
                >10.5
                >11.0
                Ø60
                >8.0
                >8.5
                >11.0
                >12.0
                >14.0
                Ø75
                >13.0
                >11.0
                >12.0
                >14.0
                >15.0

                Note: It may only be provided as the reference for the bulk density, and it is not as the evidence of check.
                 
                 Main specifications and types

                a) Specifications and allowable deviation of diameters

                 

                Unit : mm

                DiameterØ

                3

                6

                8

                10

                13

                16

                20

                25

                30

                38

                50

                65

                75

                Allowable deviation

                ±1.0

                ±1.5

                ±2.0

                ±3.0

                The product of other specifications can also be prepared according to customers' requirement.
                 
                b) Assortments
                In accordance with the content of inert Al2O3 from 25% to 95%, there are 17 assortments on every 5% as a grade.

                 

                ITEM No.
                1
                2
                3
                4
                5
                6
                7
                8
                9
                10
                11
                12
                13
                14
                15
                16
                17
                AL203 content, (%)
                <25
                25
                30
                35
                40
                45
                50
                55
                60
                65
                70
                75
                80
                85
                90
                95
                >95

                 
                Notice to ordering goods.

                a) When ordering goods, customers should introduce the radical situations of the equipment,
                 including the sizes of reactors, and the operational temperature etc.
                b) Customers should provide the specification, types, and the total content of Si, Al related to the required product.
                c) As the inert ceramic ball belongs to the natural tight stacking in the reactors, customers should consult with our technological staff to determine the amounts according to the practical loading volume, and remain 15-20% margins

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