JPS5644017A - Cleaning method of powder and grain mixture - Google Patents
Cleaning method of powder and grain mixtureInfo
- Publication number
- JPS5644017A JPS5644017A JP12003579A JP12003579A JPS5644017A JP S5644017 A JPS5644017 A JP S5644017A JP 12003579 A JP12003579 A JP 12003579A JP 12003579 A JP12003579 A JP 12003579A JP S5644017 A JPS5644017 A JP S5644017A
- Authority
- JP
- Japan
- Prior art keywords
- filter media
- cleaning liquid
- cleaning
- cleaned
- vessel
- 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.)
- Pending
Links
Landscapes
- Filtration Of Liquid (AREA)
Abstract
PURPOSE: To prevent powder and grain mixture from being carried away with the waste water of washing by precoating the powder and grains on filter media through recirculation of the cleaning liquid having been discharged by being passed through the filter media provided at the cleaning liquid discharge port in the lower part of a cleaning vessel.
CONSTITUTION: The powder and granular materials to be cleaned, such as active carbon, in a cleaning vessel 1, are cleaned by the action of the cleaning water supplied through a pipeline 2 and an agitating machine 3. Thence, the cleaning water passes through the filter media 4, flows out from a cleaning liquid discharge port 5, is boosted by a pump 6, and is again circulated to the vessel 1 via a valve 7. In the initial stage of this circulation, the small grain size materials to be cleaned are arrested by the mesh of the filter media 4 and stick on the surfaces of the filter media thereby forming a precoating layer. In the process of repeating said circulation, the materials of subsequently larger grain sizes are collected by the precoating layer and the solids are allowed to precipitate on the bottom of the vessel 1. After the absence of any material to be cleaned in the circulating cleaning liquid is checked with the sample from a take-out port 12, the valves 7, 9 are closed and opened to feed the waste cleaning liquid into a storage tank 14.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12003579A JPS5644017A (en) | 1979-09-20 | 1979-09-20 | Cleaning method of powder and grain mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12003579A JPS5644017A (en) | 1979-09-20 | 1979-09-20 | Cleaning method of powder and grain mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5644017A true JPS5644017A (en) | 1981-04-23 |
Family
ID=14776286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12003579A Pending JPS5644017A (en) | 1979-09-20 | 1979-09-20 | Cleaning method of powder and grain mixture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5644017A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923809A (en) * | 2012-11-15 | 2013-02-13 | 广东卓信水处理设备有限公司 | Automatic preparation and wet-type adding device for powdered activated carbon |
| JP2013081895A (en) * | 2011-10-07 | 2013-05-09 | Ulvac Japan Ltd | Recovering apparatus and recovering method |
-
1979
- 1979-09-20 JP JP12003579A patent/JPS5644017A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013081895A (en) * | 2011-10-07 | 2013-05-09 | Ulvac Japan Ltd | Recovering apparatus and recovering method |
| CN102923809A (en) * | 2012-11-15 | 2013-02-13 | 广东卓信水处理设备有限公司 | Automatic preparation and wet-type adding device for powdered activated carbon |
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