WO2001060531B1 - Screening plant - Google Patents
Screening plantInfo
- Publication number
- WO2001060531B1 WO2001060531B1 PCT/GB2001/000623 GB0100623W WO0160531B1 WO 2001060531 B1 WO2001060531 B1 WO 2001060531B1 GB 0100623 W GB0100623 W GB 0100623W WO 0160531 B1 WO0160531 B1 WO 0160531B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- deck
- screening plant
- plant according
- frame
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/005—Transportable screening plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Instructional Devices (AREA)
Abstract
A multi-deck screening plant (10) which comprises: a chassis (11); upper and lower screen decks (12, 13) mounted on the chassis (11), one above the other, and each sloping downwardly from an upper receiving end (14, 15) to a lower discharge end (16, 17) from which over-sized material can be discharged, such material being too large to pass through the screening apertures of each deck (12, 13); an upper frame arranged to support the upper deck (12) and including longitudinal support beams (19) extending from the upper end (14) to the lower end (16) of the upper deck (12) and underlying the upper deck (12); and a lower frame arranged to support the lower deck (13) at a level in which the plane of the deck (13) is located at or close to the level of the underside of the support beams (19) of the upper frame.
Claims
1. A multi-deck screening plant (10) which comprises: a chassis (11); upper and lower screen decks (12, 13) mounted on the chassis (11), one above the other, and each sloping downwardly from an upper receiving end (14, 15) to a lower discharge end (16, 17) from which over-sized material can be discharged, such material being too large to pass through the screening apertures of each deck (12, 13); an upper frame arranged to support the upper deck (12) and including flanged support beams (19) having upper and lower flanges and extending from the upper end (14) to the lower end (16) of the upper deck (12) with the upper flanges underlying the upper deck (12); and a lower frame arranged to support the lower deck (13) at a level in which the plane of the deck (13) is located at or close to the level of the lower flanges of the support beams (19) of the upper frame.
2. A screening plant according to claim 1, in which the support beams (19) extend parallel to each other, and to the longitudinal axis of the upper screen deck (12).
3. A screening plant according to claim 1 or 2, in which the upper frame includes a transverse support beam (18) at the upper receiving end (14) of the upper deck (12), and the plane of the lower deck (13) is also at or close to the underside of the transverse beam (18).
4. A screening plant according to any one of claims 1 to 3, in which the lower frame which supports the lower deck (13) includes transversely extending support beams (20, 21) which also hold the side frame plates (11a) of the chassis (11) together, to give rigidity to the assembly.
5. A screening plant according to claim 4, in which massive transverse support beams (20, 21) support the upper and lower ends (15, 17) of the lower deck (13), and lightweight intermediate transverse support beams (22) also form part of the lower frame.
6. A screening plant according to claim 5, in which the massive upper transverse support beam (20) of the lower frame is rigidly fastened to the upper transverse support beam (18) of the upper frame.
7. A screening plant according to anyone of the preceding claims, in which a shaft-
driven vibrating mechanism (23) is coupled with the screen-decks (12, 13), to impart vibrational energy to the decks and thereby improve the screening operation, said mechanism (23) extending between opposed side frame plates (11a) of the chassis and below the lower screen deck (13).
8. A screening plant according to any one of the preceding claims, in which the support beams (19) are I-beams, and the upper and lower screen decks (12, 13) are supported respectively by the upper and lower flanges of the I-beams.
9. A screening plant according to anyone of the preceding claims, and comprising a trailed wheeled unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0003786.1A GB0003786D0 (en) | 2000-02-18 | 2000-02-18 | Screening plant |
| GB0003786.1 | 2000-02-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2001060531A1 WO2001060531A1 (en) | 2001-08-23 |
| WO2001060531B1 true WO2001060531B1 (en) | 2001-11-22 |
| WO2001060531A9 WO2001060531A9 (en) | 2002-07-18 |
Family
ID=9885887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/GB2001/000623 Ceased WO2001060531A1 (en) | 2000-02-18 | 2001-02-15 | Screening plant |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB0003786D0 (en) |
| WO (1) | WO2001060531A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008035214A2 (en) * | 2006-06-21 | 2008-03-27 | W.S. Tylinter | Screen assembly for separating material according to particle size |
| CN106076811A (en) * | 2016-06-27 | 2016-11-09 | 梧州市旺捷机械制造有限公司 | Tea dry sorting sieves |
| CN106076812A (en) * | 2016-06-27 | 2016-11-09 | 梧州市旺捷机械制造有限公司 | Folium Camelliae sinensis sub-sieve method |
| CN106111515A (en) * | 2016-06-27 | 2016-11-16 | 梧州市旺捷机械制造有限公司 | tea sieving machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2345947A (en) * | 1942-03-05 | 1944-04-04 | Tyler Co W S | Screening apparatus |
| US4237000A (en) * | 1979-03-05 | 1980-12-02 | F. T. Read & Sons, Inc. | Shaker assembly for screening and scalping |
| IT1188446B (en) * | 1986-03-17 | 1988-01-14 | Poli Srl Flli De | SIMPLE OR MULTIPLE TYPE VIBRATION SCREEN |
-
2000
- 2000-02-18 GB GBGB0003786.1A patent/GB0003786D0/en not_active Ceased
-
2001
- 2001-02-15 WO PCT/GB2001/000623 patent/WO2001060531A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001060531A9 (en) | 2002-07-18 |
| GB0003786D0 (en) | 2000-04-05 |
| WO2001060531A1 (en) | 2001-08-23 |
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Legal Events
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