RU2008112591A - METHOD FOR COAL Sludge Enrichment - Google Patents
METHOD FOR COAL Sludge Enrichment Download PDFInfo
- Publication number
- RU2008112591A RU2008112591A RU2008112591/03A RU2008112591A RU2008112591A RU 2008112591 A RU2008112591 A RU 2008112591A RU 2008112591/03 A RU2008112591/03 A RU 2008112591/03A RU 2008112591 A RU2008112591 A RU 2008112591A RU 2008112591 A RU2008112591 A RU 2008112591A
- Authority
- RU
- Russia
- Prior art keywords
- sludge
- enrichment
- centrate
- thickening
- dehydrated
- Prior art date
Links
- 239000010802 sludge Substances 0.000 title claims abstract 13
- 238000000034 method Methods 0.000 title claims abstract 5
- 239000003245 coal Substances 0.000 title claims abstract 3
- 238000000926 separation method Methods 0.000 claims abstract 4
- 230000008719 thickening Effects 0.000 claims abstract 4
- 239000000654 additive Substances 0.000 claims abstract 2
- 230000000996 additive effect Effects 0.000 claims abstract 2
- 239000012141 concentrate Substances 0.000 claims abstract 2
- 230000018044 dehydration Effects 0.000 claims abstract 2
- 238000006297 dehydration reaction Methods 0.000 claims abstract 2
- 238000001914 filtration Methods 0.000 claims abstract 2
- 239000002699 waste material Substances 0.000 claims abstract 2
Landscapes
- Treatment Of Sludge (AREA)
- Centrifugal Separators (AREA)
Abstract
1. Способ обогащения шламов, включающий сгущение шламов, их обогащение и обезвоживание продуктов разделения, отличающийся тем, что после сгущения из шламов в центробежном поле выделяют обезвоженный осадок и фугат, при этом обезвоженный осадок присаживают к концентрату, а фугат сгущают, обезвоживают и в зависимости от требуемой зольности товарных продуктов, например, не более 10%, направляют в присадку к промпродукту, полученному при обогащении угля, к необогащенному шламу или в отходы обогащения. ! 2. Способ по п.1, отличающийся тем, что разделение в центробежном поле проводят в фильтрующей шнековой центрифуге.1. A method of sludge enrichment, including sludge thickening, their enrichment and dehydration of separation products, characterized in that after thickening the sludge and centrate are separated from the sludge in a centrifugal field, while the dehydrated sludge is added to the concentrate, and the centrate is thickened, dehydrated and depending of the required ash content of marketable products, for example, not more than 10%, is sent to an additive to industrial product obtained by coal enrichment, to non-enriched sludge or to enrichment waste. ! 2. The method according to claim 1, characterized in that the separation in a centrifugal field is carried out in a filtering screw centrifuge.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008112591/03A RU2428258C2 (en) | 2008-04-03 | 2008-04-03 | Method of dressing coal slime |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008112591/03A RU2428258C2 (en) | 2008-04-03 | 2008-04-03 | Method of dressing coal slime |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2008112591A true RU2008112591A (en) | 2009-10-10 |
| RU2428258C2 RU2428258C2 (en) | 2011-09-10 |
Family
ID=41260376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2008112591/03A RU2428258C2 (en) | 2008-04-03 | 2008-04-03 | Method of dressing coal slime |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2428258C2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846153A (en) * | 2012-11-29 | 2014-06-11 | 宝钢集团新疆八一钢铁有限公司 | Method for improving clean coal yield through adding underflow pump to sludge pit bucket elevator |
| CN108525845A (en) * | 2018-04-26 | 2018-09-14 | 威海市海王旋流器有限公司 | A kind of technique of efficient separation coal slime |
| CN109092547A (en) * | 2018-08-14 | 2018-12-28 | 中国恩菲工程技术有限公司 | Slime separation method and slime separation system |
| CN111375483B (en) * | 2020-03-19 | 2021-02-19 | 中国矿业大学 | Separation system and separation process for coal slime recovery |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128474A (en) * | 1977-03-24 | 1978-12-05 | Linatex Corporation Of America | Process for cleaning and dewatering fine coal |
| SU1346250A1 (en) * | 1985-07-10 | 1987-10-23 | Комплексный научно-исследовательский и проектно-конструкторский институт обогащения твердых горючих ископаемых | Method of dressing coal slimes |
| RU2176557C2 (en) * | 1999-12-15 | 2001-12-10 | Сывороткин Андрей Николаевич | Method of concentration of coal sludges |
| RU2230098C2 (en) * | 2002-08-29 | 2004-06-10 | Андриенко Владимир Георгиевич | Water-slurried fuel manufacture method |
| RU2297284C2 (en) * | 2005-05-11 | 2007-04-20 | Институт угля и углехимии Сибирского отделения Российской Академии Наук (ИУУ СО РАН) | Method of concentration of coal sludges |
| RU59446U1 (en) * | 2006-09-11 | 2006-12-27 | Закрытое акционерное общество "КОМПОМАШ-ТЭК" | PLANT FOR ENTREPRENEURS |
| RU80128U1 (en) * | 2008-08-11 | 2009-01-27 | Сергей Анатольевич Осадчий | DEVICE FOR COAL Sludge Enrichment |
-
2008
- 2008-04-03 RU RU2008112591/03A patent/RU2428258C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2428258C2 (en) | 2011-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20120404 |