JPH0315606U - - Google Patents

Info

Publication number

JPH0315606U

JPH0315606U JP7562989U JP7562989U JPH0315606U JP H0315606 U JPH0315606 U JP H0315606U JP 7562989 U JP7562989 U JP 7562989U JP 7562989 U JP7562989 U JP 7562989U JP H0315606 U JPH0315606 U JP H0315606U

Authority

JP

Japan

Prior art keywords

filter sand

tank

water

sand layer

upward flow

Prior art date

1989-06-29

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

• Espacenet
• Global Dossier
• Discuss

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
• 239000004576 sand Substances 0.000 claims description 7
• 238000001914 filtration Methods 0.000 claims description 3
• 238000005192 partition Methods 0.000 claims description 2
• 239000000706 filtrate Substances 0.000 claims 2
• 238000009287 sand filtration Methods 0.000 claims 1
• 238000005406 washing Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1