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    DIN EN ISO 1927-5-2013 Monolithic (unshaped) refractory products - Part 5 Preparation and treatment of test pieces (ISO 1927-5 2012) German version EN ISO 1927-5 2012《整体(粗制)耐火材料产品 .pdf

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    DIN EN ISO 1927-5-2013 Monolithic (unshaped) refractory products - Part 5 Preparation and treatment of test pieces (ISO 1927-5 2012) German version EN ISO 1927-5 2012《整体(粗制)耐火材料产品 .pdf

    1、April 2013 Translation by DIN-Sprachendienst.English price group 13No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS

    2、81.080!$“1999359www.din.deDDIN EN ISO 1927-5Monolithic (unshaped) refractory products Part 5: Preparation and treatment of test pieces (ISO 1927-5:2012);English version EN ISO 1927-5:2012,English translation of DIN EN ISO 1927-5:2013-04Ungeformte (monolithische) feuerfeste Erzeugnisse Teil 5: Herste

    3、llung und Behandlung von Probekrpern (ISO 1927-5:2012);Englische Fassung EN ISO 1927-5:2012,Englische bersetzung von DIN EN ISO 1927-5:2013-04Produits rfractaires monolithiques (non faonns) Partie 5: Prparation et traitement des prouvettes (ISO 1927-5:2012);Version anglaise EN ISO 1927-5:2012,Traduc

    4、tion anglaise de DIN EN ISO 1927-5:2013-04SupersedesDIN EN 1402-5:2004-01www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.2603.13 DIN EN ISO 1927-5:2013-04 2 A comma is used as the decimal marker. National foreword ISO 1927-5 has be

    5、en prepared by Technical Committee ISO/TC 33 “Refractories” and has been taken over as EN ISO 1927-5 by Technical Committee CEN/TC 187 “Refractory products and materials” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Materialprfun

    6、g (Materials Testing Standards Committee), Working Committee NA 062-02-57 AA Ungeformte, dichte geformte und wrmedmmende feuerfeste Erzeugnisse und Werkstoffe. EN ISO 1927 consists of the following parts, under the general title Monolithic (unshaped) refractory products: Part 1: Introduction and cla

    7、ssification Part 2: Sampling for testing Part 3: Characterization as received Part 4: Determination of consistency of castables Part 5: Preparation and treatment of test pieces Part 6: Measurement of physical properties Part 7: Tests on pre-formed shapes Part 8: Determination of complementary proper

    8、ties The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1927-1 DIN EN ISO 1927-1 ISO 1927-2 DIN EN ISO 1927-2 ISO 1927-4 DIN EN ISO 1927-4 Amendments This standard differs from DIN EN 1402-5:2004-01 as follows: a) the content of EN ISO 192

    9、7-5 (based on EN 1402-5) has been adopted in full; b) references to EN Standards have been replaced by references to the relevant ISO Standards and have been updated, e.g. in Subclause 5.1.1; c) Clause 6 relating to the preparation of test pieces has been supplemented by Subclauses 6.3 “Taphole clay

    10、 materials” and 6.4 “Dry vibrating mixes”. Previous editions DIN 51010-2: 1987-08 DIN V ENV 1402-5: 1999-05 DIN EN 1402-5: 2004-01 DIN EN ISO 1927-5:2013-04 3 National Annex NA (informative) Bibliography DIN EN ISO 1927-1, Monolithic (unshaped) refractory products Part 1: Introduction and classifica

    11、tion DIN EN ISO 1927-2, Monolithic (unshaped) refractory products Part 2: Sampling for testing DIN EN ISO 1927-4, Monolithic (unshaped) refractory products Part 4: Determination of consistency of castables DIN EN ISO 1927-5:2013-04 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE

    12、 EUROPISCHE NORM EN ISO 1927-5 December 2012 ICS 81.080 Supersedes EN 1402-5:2003 English Version Monolithic (unshaped) refractory products Part 5: Preparation and treatment of test pieces (ISO 1927-5:2012) Produits rfractaires monolithiques (non faonns) artie 5: Prparation et traitement des prouvet

    13、tes (ISO 1927-5:2012) Ungeformte (monolithische) feuerfeste Erzeugnisse Teil 5: Herstellung und Behandlung von Probekrpern (ISO 1927-5:2012) This European Standard was approved by CEN on 30 November 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the c

    14、onditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard ex

    15、ists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national s

    16、tandards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia,

    17、 Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldw

    18、ide for CEN national Members. Ref. No. EN ISO 1927-5:2012: E Contents PageForeword Introduction 1 Scope 2 Normative references .3 Dimensions of test pieces .4 Apparatus 5 Preparation of castable test pieces 5.1 Dense castables .5.2 Insulating castables 6 Preparation of test pieces from ramming mater

    19、ials, taphole clay and dry vibration mixes .6.1 Ramming mixes .6.2 Plastics .6.3 Taphole clay materials .6.4 Dry vibrating mixes .7 Treatment of test pieces 7.1 Castables .7.2 Ramming mixes and plastics .8 Firing .8.1 Castables .8.2 Ramming mixes and plastics .9 Test report .Bibliography .2DIN EN IS

    20、O 1927-5:2013-04 EN ISO 1927-5:2012 (E) 34555610101113131415151616171818192122Foreword This document (EN ISO 1927-5:2012) has been prepared by Technical Committee ISO/TC 33 Refractoriesin collaboration with Technical Committee CEN/TC 187 “Refractory products and materials” the secretariat of which i

    21、s held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2013, and conflicting national standards shall be withdrawn at the latest by June 2013. Attention is drawn to the possibility th

    22、at some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 1402-5:2003. According to the CEN/CENELEC Internal Regulations, the national standards organisatio

    23、ns of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

    24、 Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 1927-5:2012 has been approved by CEN as a EN ISO 1927-5:2012 without any modification. ”“3DIN EN ISO 1927-5:2013-04 EN ISO 1927-5:2012 (E

    25、) IntroductionThe values of the properties obtained using test pieces are used to assess the homogeneity of monolithic (unshaped) materials. They are reference values which do not necessarily correspond with those obtained in industrial applications. Other methods of test-piece preparation or treatm

    26、ent, which differ from those specified by this part of ISO 1927, can lead to different values.4DIN EN ISO 1927-5:2013-04 EN ISO 1927-5:2012 (E) 1 ScopeThis part of ISO 1927 specifies methods for the preparation and treatment (curing, drying and firing) of test pieces from monolithic (unshaped) refra

    27、ctory materials. The methods are applicable to dense and insulating castables and to ramming materials with the four types of chemical composition defined in ISO 1927-1.The dimensions of the test pieces are specified and the preparation of the mixture, compaction methods, storage and post-treatment

    28、of the test pieces are described.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) app

    29、lies.ISO 1927-1, Monolithic (unshaped) refractory products Part 1: Introduction and classificationISO 1927-2, Monolithic (unshaped) refractory products Part 2: Sampling for testingISO 1927-4, Monolithic (unshaped) refractory products Part 4: Determination of consistency of castablesISO 10060, Dense

    30、shaped refractory products Test methods for products containing carbon3 Dimensions of test piecesShape A: Length: 230 mm; width: 114 mm; thickness: 64 mm;Shape B: Length: 230 mm; width: 64 mm; thickness: 54 mm;Shape C: Length: 230 mm; width: 64 mm; thickness: 64 mm;Shape D: Length: 160 mm; width: 40

    31、 mm; thickness: 40 mm.The width of the test piece as tested shall correspond to the height during preparation. The vibration of the test piece during preparation shall be recorded, and for shapes C and D the compaction surface shall be marked for reference. The selection of test pieces for each type

    32、 of material shall be as given in Table 1, except that for basic dense castables, ramming materials, taphole mixes and dry vibration mixes, test pieces with a diameter of 50 mm and height of 50 mm 1 mm are permissible and can be prepared using the sand-rammer. Shape C shall be used as the referee sh

    33、ape for inter laboratory testing.5DIN EN ISO 1927-5:2013-04 EN ISO 1927-5:2012 (E) Table 1 Type of shape for testsCastables DensecastablesMax grainsize15 mmDirectcharacterization bX aOther tests XInsulating castables XRamming materialsRamming mixes X Plastics X aFor these materials, shapes B and C a

    34、re prepared by cutting from shape A.bTests for which results are directly obtained from the bars without size modifications are modulus of rupture, cold compressive strength, and permanent change in dimensions on heating.4 Apparatus4.1 Separator. A riffle sampler, suitable for use with the maximum p

    35、article size of the product, or a shovel for the quartering method. The riffle separation shall be at least 2,5 times the maximum grain size.4.2 Mixer, comprising the following.4.2.1 Pan. The pan shall be symmetrical around axis A and shall have a capacity of 15 l to 30 l. Both the pan and the mixin

    36、g blade (see 4.2.2) shall be constructed from a material that does not react with the test material (see Figure 1).6DIN EN ISO 1927-5:2013-04 EN ISO 1927-5:2012 (E) AB231Key1 Drive2 Pan3 Mixing bladeFigure 1 Principle of the mixer4.2.2 Mixing blade. The shape of the mixing blade shall be adapted to

    37、the internal dimensions of the pan. The radius swept shall be such that the distance between the blade and the wall of the pan and the space between the blade and the bottom of the pan are at least as large as the maximum grain size of the material. For products with a maximum grain size of 6 mm or

    38、less, the distance between the blade and the wall shall be 6 mm. For products with larger grain sizes (up to 25 mm), the blade is used in a manner such that the distance to the wall of the pan is 25 mm.The mixing blade shall revolve at a speed between 40 r/min and 65 r/min around axis A (the symmetr

    39、y axis of the mixing pan), the blade rotating simultaneously in the opposite direction at a speed between 120 r/min and 145 r/min around axis B (symmetry axis of the blade).For low-intensity mechanical mixing of insulating castables the mixing blade shall revolve at a speed between 15 r/min and 25 r

    40、/min around axis A (the symmetry axis of the mixing pan), the blade rotating simultaneously in the opposite direction at a speed between 50 r/min and 80 r/min around axis B (symmetry axis of the blade).4.3 Vibrating table. The vibrating table shall be flat and horizontal and shall perform only uniax

    41、ial vertical vibrations at a frequency of 50 Hz. The table shall be capable of being set at a double amplitude of 0,50 mm (see ISO 1927-1) with an accuracy of 0,05 mm for the entire procedure. There shall be an automatic adjustment to the required double amplitude according to the mass of the mould

    42、and material.7DIN EN ISO 1927-5:2013-04 EN ISO 1927-5:2012 (E) 4.4 Pneumatic rammer. A compressed-air rammer shall have a rammer foot suitable for the width of the mould and have a smooth, flat working surface, i.e. 52 mm 25 mm for shape B and 62 mm 25 mm for shape C.The mass of the rammer and the f

    43、requency of ramming shall be chosen in order to obtain a prescribed green bulk density, which shall be reported in the test report.4.5 Sand-rammer, consisting of a mould of 50 mm inside diameter, and 140 mm in length, and a 6,67 kg 50 g weight sliding on the shaft of the apparatus and arranged to fa

    44、ll a distance of 50 mm before engaging a collar attached to the shaft. At the lower end of the shaft there is a plunger, the diameter of which is about 0,3 mm smaller than the inside diameter of the mould (see Figures 2 and 3).NOTE A more detailed description of this piece of apparatus is given in I

    45、SO 1927-3.Figure 2 Sand-rammer for shaping ramming mixes test pieces8DIN EN ISO 1927-5:2013-04 EN ISO 1927-5:2012 (E) 2453Figure 3 Modification of sand-rammer for workability test4.6 Hydraulic-type power press, equipped with suitable moulds for forming test pieces of the required size. The press sha

    46、ll be capable of applying a minimum of 10 MPa pressure to the moulded face.NOTE The power press should only be used for shaping test pieces from plastics.4.7 Trowel, pointing type or stiff-bladed spatula of typical size 150 mm length and 50 mm width.4.8 Watertight moulds, capable of being dismantled

    47、 and shall be watertight. They shall be made from a material that does not react with the material to be tested.For compaction by the pneumatic rammer, the moulds shall be rigid so that they do not warp during ramming.NOTE 1 Steel or similar material is recommended to withstand the stroke of the ram

    48、mer.The internal measurements of the moulds are determined by the dimensions of the test pieces. The surfaces 230 mm 64 mm (shapes A and C) and 230 mm 54 mm (shape B) are the horizontal surfaces during the compaction process. A variation of 0,5 mm is allowed for these dimensions. If multi-compartment moulds are used, the size of the mould shall be adapted for the number of test pieces prepared and this shall be indicated in the test report.In order to overfill the mould,


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