Arrangement in a drain system and a method for taking care of drain media

An arrangement in a drain system, said drain system having

• a first system section located in a building (6) and arranged to receive drain media from one or a plurality of units, and
• a second system section having a main drain conduit (19) in common to a plurality of buildings provided with the first system section and arranged to conduct the drain media to one or a plurality of devices (27-31) for taking care thereof,
• wherein the main drain conduit (19) is arranged as a closed ring conduit,
• pumping members (17, 18, 42, 43) are structured and arranged to pump the drain media emanating from said first system section to and into the ring conduit (19) for transport therein through pumping action,
• said devices (27-31) are each connected to the ring conduit (19) through a branch (26),
• valve members (24, 25, 44, 45) are arranged in each connection to the ring conduit (19) and optionally controllable to either open and allow pumping of the drain media into the ring conduit (19) in the case of a feed connection and drainage of the drain media from the ring conduit (19) in the case of a device connection, or close to prohibit the drain media therein from flowing into or out of the ring conduit (19),
• said first system section having at least one container (15, 16) arranged for collecting the drain medium received from said units to enable pumping of the drain media out from the respective container (15, 16) to the main drain conduit (19) through the pumping members (24, 25, 44, 45) at time intervals,
• different buildings in a group (1-5) of said buildings having conduit connections to a location (14) in common and located on a low level for transport of the drain media to said location (14) through influence of gravity and
• a pumping member (17, 18) is arranged in common at said location (14) to pump the drain media out through a feed conduit to the ring conduit (19).

An arrangement in a drain system, said drain system having

• a first system section located in a building (6) and arranged to receive media from one or a plurality of units, and
• a second system section having a main drain conduit (19) in common to a plurality of buildings provided with a first system section and arranged to conduct the drain media to one or a plurality of devices (27-31) for taking care thereof,
• wherein the main drain conduit (19) is arranged as a closed ring conduit, pumping members (17, 18, 42, 43) are structured and arranged to pump the drain media emanating from said first system section to and into the ring conduit (19) for transport therein through pumping action,
• said devices (27-31) are each connected to the ring conduit (19) through a respective branch (26),
• valve members (24, 25, 44, 45) are arranged in each connection to the ring conduit (19) and optionally controllable to either open and allow pumping of the drain media into the ring conduit (19) in the case of a feed connection and drainage of the drain media from the drain conduit (19) in the case of a device connection, or close to prohibit the drain media therein from flowing into or out of the ring conduit (19),
• said first system section is divided into at least two parts, comprising a first part (15) structured and arranged to receive the drain media of a first type from one or a plurality of first units and a second part (16) structured and arranged to receive the drain media of a second, different type from one or a plurality of second units, and
• said pumping members (17, 18, 42, 43) are structured and arranged to generate a supply of drain media of one type at a time to the ring conduit (19).

An arrangement in a drain system, said drain system having

• a first system section located in a building (6) and arranged to receive drain media from one or a plurality of units, and
• a second system section having a main drain conduit (19) in common to a plurality of buildings provided with a first system section and arranged to conduct the drain media to one or a plurality of devices (27-31) for taking care thereof,
• wherein the main drain conduit (19) is arranged as a closed ring conduit,
• pumping members (17, 18, 42, 43) are structured and arranged to pump the drain media emanating from said first system section to and into the ring conduit (19) for transport therein through pumping action,
• said devices (27-31) are each connected to the ring conduit (19) through a respective branch (26),
• valve members (24, 25, 44, 45) are arranged in each connection to the ring conduit (19) and optionally to either open and allow pumping of the drain media into the ring conduit (19) in the case of a feed connection and drainage of the drain media from the ring conduit (19) in the case of a device connection, or closed to prohibit the drain media therein from flowing into or out of the ring conduit (19),
• said first system section is divided into at least two parts, comprising a first part (15) structured and arranged to receive drain media of a first type from one or a plurality of first units and a second part (16) structured and arranged to receive drain media of a second, different type from one or a plurality of second units, and
• the respective feed connection to the ring conduit (19) from a respective building or building group (1-5) comprising at least two parallel conduits (9, 10, 12, 13), one for the drain media of each said type, and
• the ring conduit (19) having at least two conduits (22, 23) extending in parallel for receiving and transporting drain media of different types.

A method for taking care of drain media resulting from different buildings (6), comprising the steps of

• leading the drain media from the different buildings (6) to a main drain conduit (19) in common,
• leading the drain media through the main drain conduit (19) to one or a plurality of devices (27-31) for taking care thereof,
• forming the main drain conduit (19) as a closed ring,
• pumping the drain media into the main drain conduit (19) and transporting the drain media therein through pumping action,
• arranging branches (26) from the ring conduit (19) to the devices (27-31) and to conduit connections (12, 13, 20, 21, 7, 8) from the buildings (6) to the ring conduit (19),
• opening or closing the branches (26) from the ring conduit (19) to the devices (27-31) by means of valve members depending upon need to lead a predetermined drain medium to the respective device (27-31), and
• opening or closing the conduit connections (12, 13, 20, 21, 7, 8) from the buildings (6) to the main drain conduit (19) depending upon need to pump the respective drain media therethrough and into the main drain conduit (19) at a certain moment.

A method for taking care of drain media resulting from different buildings (6), in which the drain media from the different buildings are lead to a main drain conduit (19) in common and therethrough to one or a plurality of devices (27-31) for taking care thereof,

• wherein the drain media is pumped into the main drain conduit (19) which is in the form of a closed ring conduit and transported therein through pumping action,
• branches (26) from the ring conduit to the devices (27-31) are opened or closed by means of valve members when a predetermined drain medium should be lead to a respective device (27, 31),
• conduit connections (12, 13, 20, 21, 7, 8) from the buildings (6) to the main drain conduit (19) are opened or closed by means of value members when drain media should be pumped therethrough and into the main drain conduit (19) at a certain moment,
• the drain media resulting from the buildings (6) are of at least two different types, delivered to different units receiving drain media in the respective building (6), and maintained separate from one another and separately lead to the ring conduit (19), and ultimately to the device or devices (27-31) which are structured and arranged to take care of a particular type of the drain media without intermixing with drain media of different type.