1、INTERNATIONAL STANDARD NORME INTERNATIONALE IS0 9045 First edition Premihe Edition 1990-07-15 Industrial screens and screening - Vocabulary Cribles et criblage industriel - Vocabulaire Reference number Num6ro de hf b) industrial screens; b) cribles industriels; c) the screening process; c) procedes
2、de criblage; d) products of screening. d) produits.de criblage. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards
3、are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 4783-
4、I : 1989, Industrial wire screens and woven wire cloth - Guide to the choice of aperture size and wire diameter corn binations - Part I: Generalities. IS0 4783-2: 1989, Industrial wire screens and woven wire cloth - Guide to the choice of aperture size and wire diameter corn binations - Part2: Prefe
5、rred combinations for woven wire do th. IS0 4783-3: 19i31, Industrial wire screens and woven wire cloth - Guide to the choice of aperture size and wire diameter corn binations - Part 3: Preferred combinations for pre-crimped and pressure-welded wire screens. IS0 9044:1990, Industrial woven wire clot
6、h - Technical requirements and testing. 2 Rdfhences normatives Les normes suivantes contiennent des dispositions qui, par suite de la reference qui en est faite, constituent des disposi- tions valables pour la presente Norme internationale. Au moment de la publication, les editions indiquees Btaient
7、 en vigueur. Toute norme est sujette a revision et les parties pre- nantes des accords fond taille dune particule pas- sant a travers un tamis: La plus petite ouverture du tamis a travers laquelle peut passer une particule presentee de la faGon la plus favorable. 3.1.3 agglomerate: Several particles
8、 adhering together. 3.1.3 agglomerat: Ensemble de particules adherant entre elles. 3.1.4 fines: Particles smaller than a specified size. 3.1.4 fines: Ensemble de particules plus petites quune taille prescrite. 3.1.5 inherent moisture; contained moisture: Liquid, usually water, held within a sample o
9、f a material, normally ex- pressed as a percentage of the sample mass. 3.1.5 humidite inherente; humidite propre: Liquide, habi- tuellement de Ieau, contenu dans un Bchantillon de matiere et dont la teneur est exprimee en pourcentage de la masse de lechantillon. 3.1.6 surface moisture: Liquid adheri
10、ng to the exposed surfaces of the particles of a sample of material, normally ex- pressed as a percentage of the sample mass. 3.1.6 humidite de surface: Liquide adherant sur les surfa- ces libres des particules dun Bchantillon de mat screen deck: A sheet with regular openings of the same size in a r
11、egular arrangement for screen- ing purposes (see 3.3.1). 2 IS0 9045 : 1990 (E/F) 3.2.3 woven wire cloth; wire screen: Screening surface, produced by a wire weaving process or by pressure-welding of two layers of parallel wires. The wires form square or rec- tangular apertures of uniform size. They m
12、ay be precrimped before weaving. 3.2.3 tissu de tamisage: Surface criblante produite par tis- sage ou par soudage sous pression de deux couches de fils paralleles. Les fils forment des ouvertures carrees ou rectangu- laires ayant des tailles uniformes. Ils peuvent etre preform shoot: All wires runni
13、ng crosswise of the cloth as woven. 3.2.14 trame: Ensemble des fils perpendiculaires B la chaine. 3.2.15 type of weave: The way in which warp and weft wires cross each other. 3.2.15 armure: Designation de mode dentrecroisement des fils de chaine et de trame. 3 IS0 9045 : 1990 (E/F) 3.2.16 crimp: Suc
14、cessive bends in a wire which result from preforming or weaving. 3.2.17 plain weave: Weave in which every warp wire crosses alternately above and below every weft wire and vice versa. 3.2.18 twilled weave: Weave in which every warp wire crosses alternately above and below every second weft wire and
15、vice versa. 3.2.19 punch side: Surface of a perforated plate which the punch entered. 3.220 plate thickness: Thickness of the plate before per- foration. 3.2.21 pitch: Distance between corresponding points of two adjacent apertures in a woven wire cloth, a wire screen or a per- forated plate. 3.222
16、bridge width; bar: Distance between the nearest edges of two adjacent holes in a perforated plate. 3.2.23 margin: Distance between the outside edges of the outside rows of holes and the edges of a perforated plate. 3.2.24 sifter: Type of screen having a rotary motion substan- tially in the plane of
17、the screening surface, normally used for the screening of comparatively small particles, e.g. less than 1 mm. 3.2.25 grizzly: Rugged screen comprising fixed or moving bars, discs, or shaped tumblers or rollers, normally used for screening comparatively large particles, e.g. greater than 100 mm. 3.2.
18、26 bar screen: Stationary inclined screen, comprising longitudinal bars, spaced at regular intervals, on to which the material to be screened is fed at the upper end. 3.2.27 rod screen: Screening surface consisting of parallel wire rods positioned at right angles to the flow of material on the scree
19、n. 3.2.28 wedge wire screen; profile wire deck: Screening surface comprising wires of triangular or trapezoidal cross- section spaced from each other at a fixed dimension; the under- flow thus passes through an aperture of increasing cross- section. 3.2.29 roll screen: Screen consisting of a number
20、of horizon- tal rotating shafts, fitted with elements arranged to provide screening apertures. 3.2.16 ondulation: Deformations successives du fil dues au preformage ou au tissage. 3.2.17 armure corni): Entrecroisement dans lequel chaque fil de chaine passe alternativement au-dessus et au-dessous de
21、chaque fil de trame et inversement. 3.2.18 armure ctcroise): Entrecroisement dans lequel les fils de chaine et de trame se croisent deux B deux alternativement au-dessus et au-dessous, dans les deux sens, et chaque fois sont decal trommel: Screen in which the screening surface is formed into a cylin
22、der or frustum of a cone, mounted on a horizontal or near-horizontal rotating shaft or on revolving rollers. The material to be screened is fed into the interior of the revolving screen. 3.2.31 fixed screen; static screen: Stationary inclined screen used to remove a proportion of the fines from a dr
23、y feed or a proportion of the liquid and the fines from a pulp or slurry, by force of gravity. 3.2.32 guard screen: Screen used to prevent the entry into a machine of coarse particles which might interfere with its operation. 3.2.33 backing screen: Coarse screen placed under a finer screening surfac
24、e for support. 3.234 undersize control screen; breakage screen: Screen used for the removal of undesirable undersize from a material. 3.2.35 relieving deck: Screen, mounted above another screen, with apertures normally at least twice the size of those in the lower deck, used to reduce the load and w
25、ear of the lower screening surface. 3.239 sieve bend: Device for screening fine particles suspended in liquid by means of a stationary curved panel, whereby the finer particles are removed from the bulk of the liquid in the underflow. It is also used as a first-stage dewater- ing device. 3.237 recip
26、rocating screen; jigging screen: Screen or pair of screens to which a combined horizontal and vertical mo- tion is imparted by a crank-shaft and connecting rods, the screening surfaces being horizontal or inclined at a small angle. 3.2.39 vibrating screen: Screen oscillated either by mechanical or b
27、y electrical means. 3.2.39 resonance screen: Screen with a period of oscillation close to the natural period of oscillation of the resilient mount- ing. 3.2.40 inclined screen: Vibrating screen with a rectilinear or circular oscillating motion, nom-rally installed at an angle be- tween IO0 and 36O.
28、3.2.41 horizontal screen: Vibrating screen with a motion which is substantially in a straight line in the vertical plane, nor- mally installed horizontally, but may be inclined up to go. 3.2.42 high speed screen: Inclined screen, with a rectilinear or circular oscillating motion, normally operated a
29、t a frequency greater than 20 Hz. 3.2.39 crible rotatif; trommel: Crible oh la surface criblante est en forme de cylindre ou tronc de cone, montee sur un arbre rotatif horizontal ou proche de lhorizontale ou sur des rou- leaux tournants. La matiere 8 cribler est vet crible statique: Grille inclinee
30、en position fixe et utilisee pour effectuer soit un Bgouttage soit une separa- tion granulon-retrique et travaillant par gravite. 3.232 grille de protection: Grille utilisee pour empecher Iintroduction dans une machine de grosses particules suscep- tibles de gener son fonctionnement. 3.2.33 grille s
31、upport: Grille placeeau-dessous dune surface criblante plus fine pour support, 3.234 crible de separation des fines: Crible utilise pour Bli- miner dune mat crible oscillant: Crible ou paire de cribles ayant un mouvement horizontal et ver- tical combine, par entrainement dun vilebrequin et de bielles, les surfaces de criblage il est g&-r& ralement install& horizontalement mais peut etre incline jus- qua 8O. 3.2.42 crible B grande vitesse: Crible incline, avec un mou- vement oscillant vertical ou circulaire, fonctionnant gent%ale- ment a une frequence de plus de 20 Hz. 5
