JPH0426002U - - Google Patents
Info
- Publication number
- JPH0426002U JPH0426002U JP6527090U JP6527090U JPH0426002U JP H0426002 U JPH0426002 U JP H0426002U JP 6527090 U JP6527090 U JP 6527090U JP 6527090 U JP6527090 U JP 6527090U JP H0426002 U JPH0426002 U JP H0426002U
- Authority
- JP
- Japan
- Prior art keywords
- sand
- filtration
- raw water
- value
- moving bed
- 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
- 238000001914 filtration Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 238000009287 sand filtration Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
Description
第１図は本考案の一実施例に係る移動床上向流
砂ろ過装置の構造を示すものであつて、同図ａは
正断面図、同図ｂは同図ａにおけるＡ−Ａ′矢視
断面図、第２図は従来の砂ろ過装置の構造を示す
正断面図である。
符号の説明、１……ろ過タンク、２……ろ過層
、３……原水供給路、４……ノズル、１２……格
子部材、１４……移動床上向流砂ろ過装置。
Fig. 1 shows the structure of a moving bed upward flow sand filtration device according to an embodiment of the present invention, in which a is a front cross-sectional view, and b is a cross-sectional view taken along the line A-A' in the figure a. 2 are front sectional views showing the structure of a conventional sand filter device. Explanation of symbols: 1...filtration tank, 2...filtration layer, 3...raw water supply path, 4...nozzle, 12...grid member, 14...moving bed upward flow sand filtration device.
Claims (1)
下方から上方へ向けて処理用の原水を供給し、該
原水を上記ろ過層を通過させることにより浄化す
る移動床上向流砂ろ過装置において、上記ろ過砂
の粒径を０．８mm以下の値に設定し、上記タンク
内に、上記原水の供給による上記ろ過砂の浮き上
がりを防止する格子部材を配設すると共に、該格
子部材の間隙寸法を上記ろ過砂の粒径の１００乃
至１５０倍の値に設定したことを特徴とする移動
床上向流砂ろ過装置。 In a moving bed upward flow sand filtration device, raw water for treatment is supplied from below to above a filtration layer made of filtration sand filled in a tank, and the raw water is purified by passing through the filtration layer. The grain size of the sand is set to a value of 0.8 mm or less, and a lattice member is provided in the tank to prevent the filtration sand from floating up due to the supply of raw water, and the gap size of the lattice member is set to a value of 0.8 mm or less. A moving bed upward flow sand filtration device characterized in that the value is set to be 100 to 150 times the grain size of sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6527090U JPH0426002U (en) | 1990-06-20 | 1990-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6527090U JPH0426002U (en) | 1990-06-20 | 1990-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426002U true JPH0426002U (en) | 1992-03-02 |
Family
ID=31596947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6527090U Pending JPH0426002U (en) | 1990-06-20 | 1990-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426002U (en) |
-
1990
- 1990-06-20 JP JP6527090U patent/JPH0426002U/ja active Pending