JPH0558763B2 - - Google Patents
Info
- Publication number
- JPH0558763B2 JPH0558763B2 JP1176368A JP17636889A JPH0558763B2 JP H0558763 B2 JPH0558763 B2 JP H0558763B2 JP 1176368 A JP1176368 A JP 1176368A JP 17636889 A JP17636889 A JP 17636889A JP H0558763 B2 JPH0558763 B2 JP H0558763B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- amount
- thickness
- dewatering
- flocculant
- 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.)
- Expired - Lifetime
Links
- 239000010802 sludge Substances 0.000 claims description 258
- 238000001514 detection method Methods 0.000 claims description 44
- 238000002347 injection Methods 0.000 claims description 42
- 239000007924 injection Substances 0.000 claims description 42
- 230000005484 gravity Effects 0.000 claims description 37
- 239000000126 substance Substances 0.000 claims description 34
- 239000004744 fabric Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000003814 drug Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 6
- 229940079593 drug Drugs 0.000 description 6
- 239000000701 coagulant Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000004809 Teflon Substances 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 230000003311 flocculating effect Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920004943 Delrin® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1176368A JPH0342006A (ja) | 1989-07-07 | 1989-07-07 | ベルトプレス型脱水機の制御方法及びその汚泥厚み検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1176368A JPH0342006A (ja) | 1989-07-07 | 1989-07-07 | ベルトプレス型脱水機の制御方法及びその汚泥厚み検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0342006A JPH0342006A (ja) | 1991-02-22 |
| JPH0558763B2 true JPH0558763B2 (cg-RX-API-DMAC7.html) | 1993-08-27 |
Family
ID=16012399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1176368A Granted JPH0342006A (ja) | 1989-07-07 | 1989-07-07 | ベルトプレス型脱水機の制御方法及びその汚泥厚み検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342006A (cg-RX-API-DMAC7.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7674386B2 (en) | 2003-06-16 | 2010-03-09 | Flsmidth A/S | Slurry filtration system and apparatus |
| JP4513344B2 (ja) * | 2004-02-03 | 2010-07-28 | 栗田工業株式会社 | 汚泥脱水装置 |
-
1989
- 1989-07-07 JP JP1176368A patent/JPH0342006A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0342006A (ja) | 1991-02-22 |
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| R350 | Written notification of registration of transfer |
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| R250 | Receipt of annual fees |
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| FPAY | Renewal fee payment (event date is renewal date of database) |
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| EXPY | Cancellation because of completion of term |