JPH0317925Y2 - - Google Patents
Info
- Publication number
- JPH0317925Y2 JPH0317925Y2 JP4435885U JP4435885U JPH0317925Y2 JP H0317925 Y2 JPH0317925 Y2 JP H0317925Y2 JP 4435885 U JP4435885 U JP 4435885U JP 4435885 U JP4435885 U JP 4435885U JP H0317925 Y2 JPH0317925 Y2 JP H0317925Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- sand
- tank
- air
- tube
- 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
Links
- 239000004576 sand Substances 0.000 claims description 65
- 238000005086 pumping Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000000694 effects Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4435885U JPH0317925Y2 (US07922777-20110412-C00004.png) | 1985-03-27 | 1985-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4435885U JPH0317925Y2 (US07922777-20110412-C00004.png) | 1985-03-27 | 1985-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61159007U JPS61159007U (US07922777-20110412-C00004.png) | 1986-10-02 |
| JPH0317925Y2 true JPH0317925Y2 (US07922777-20110412-C00004.png) | 1991-04-16 |
Family
ID=30556854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4435885U Expired JPH0317925Y2 (US07922777-20110412-C00004.png) | 1985-03-27 | 1985-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317925Y2 (US07922777-20110412-C00004.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2554493B2 (ja) * | 1987-05-19 | 1996-11-13 | 建設省土木研究所長 | 廃水処理装置 |
| KR100397530B1 (ko) * | 1996-03-29 | 2003-11-17 | 이병수 | 원심 상향류식 모래 여과기 |
-
1985
- 1985-03-27 JP JP4435885U patent/JPH0317925Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61159007U (US07922777-20110412-C00004.png) | 1986-10-02 |
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