| 摘要 |
FIELD: sewerage.SUBSTANCE: invention relates to sewage devices. Drain well, first of all channel drain well, has receiving box, which is made for accommodation and holding of tank with discharge siphon gate and has at least one borehole wall, which protrudes into reservoir and forms with bottom of reservoir at least one hole, through which waste water flows, and has barrier, through which waste water flows and which forms maintained level of waste water in reservoir. Drain well also comprises drain box which places overflowing waste water and sends in drain pipe union, and inspection, which includes hole lockable by locking element, through which drain pipe union is accessible without crossing receiving box. Hole is located below barrier, i.e. below maintained level and audit includes nozzle, which stands on reservoir bottom and opened upwards and is open on side to drain box and to drain pipe union.EFFECT: complete cleaning of drain well in simple manner.9 cl, 14 dwg |
