SG11201903301WA - Screening apparatus - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 1111111111111111111111111111111111111111111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\" WO 2018/069729 Al 19 April 2018 (19.04.2018) WIP0 1 PCT (51) International Patent Classification: (72) Inventor: BAILEY, Marshall Graham; P 0 Box 54854, B07B 13/16 (2006.01) BOlD 33/03 (2006.01) Dubai (AE). B07B 1/46 (2006.01) (74) Agent: MCPHERSON, Michael; Marks & Clerk LLP, (21) International Application Number: Atholl Exchange, 6 Canning Street, Edinburgh EH3 8EG PCT/GB2017/053111 (GB). (22) International Filing Date: (81) Designated States (unless otherwise indicated, for every 13 October 2017 (13.10.2017) kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (25) Filing Language: English CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (26) Publication Language: English DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (30) Priority Data: HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, 1617435.1 14 October 2016 (14.10.2016) GB MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (71) Applicant: AXIOM PROCESS LIMITED [GB/GB]; OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, Unit 10B, Brunswick Industrial Estate, Newcastle Upon SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, Tyne Tyne and Wear NE13 7BA (GB). TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (54) Title: SCREENING APPARATUS = = = 15 1 16 13c 1110.. .„.._ 30 37c ------8c = 14c H2 = = kl —mil S2 28 \ s2 13b • —8b 14b H = 24 S 36 0 *34 s 37a 37b 3. —8a = 14a = 26 = 32 = — Fig. la 1-1 ON (57) : A shale shaker includes a basket (1) having a front, solids discharge end (2) and a rear, feed end (4) spaced apart by IN el opposed first and second sides. The basket includes a lower, first, screen deck (8a) and an upper, second, screen deck (8b) directly c:( above the first screen deck. The screening surfaces (13a, 13b) of the screen decks are spaced apart, by a vertical spacing of from 20mm to 250mm. There is a cavity (36) above the feed receiving end (10a) of the first screen deck (8a), in direct fluid communication with 5 : -. : , :: the space between the screening surfaces (13a, 13b) of the first and second screen decks (8a, 8b) that only receives feed that has passed GC through the upper, second, screen deck (8b). The cavity (36) extends to higher than the extreme end (37b) of the screening surface (13b) 11 c: : :: , of the second screen deck (8b), at its feed receiving end (10b). N C [Continued on next page] WO 2018/069729 Al MIDEDIMOMMIDIIMERIONMEHOMOICIONVOIME (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3)) — before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))