Vacuum drainage system
First Claim
1. Vacuum draw type drainage system for sewerage-generating sanitary equipment comprising branching pipes connected to the sanitary equipment, at least one collection pipe, said branching pipes opening into said at least one collection pipe, and a vacuum device, said vacuum device being connected to the at least one collection pipe and being equipped with means for producing sufficient vacuum in the at least one collection pipe for drawing the sewerage from the sanitary equipment through the drainage system thereto;
- wherein the vacuum device comprises at least one screw pump, said at least one screw pump being equipped with a pump, said at least one screw pump being equipped with a comminuting means for grinding solid particles in the sewerage and being connected directly to the collection pipe.
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Accused Products
Abstract
A vacuum drainage system for sanitary equipment such as toilets, urinals and sinks etc., comprising branching pipes connected to the sanitary equipment and ending in a collecting pipe (5), and a vacuum device (2) connected to the collecting pipe (5) producing vacuum in the pipes and transporting sewerage from the sanitary equipment to e.g. a collection tank (1) or purification plant. The vacuum device comprises one or optionally several screw pumps (2) with a mill or grinding device for grinding solid particles in the sewerage and being connected directly to the collecting pipe (5).
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Citations
7 Claims
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1. Vacuum draw type drainage system for sewerage-generating sanitary equipment comprising branching pipes connected to the sanitary equipment, at least one collection pipe, said branching pipes opening into said at least one collection pipe, and a vacuum device, said vacuum device being connected to the at least one collection pipe and being equipped with means for producing sufficient vacuum in the at least one collection pipe for drawing the sewerage from the sanitary equipment through the drainage system thereto;
- wherein the vacuum device comprises at least one screw pump, said at least one screw pump being equipped with a pump, said at least one screw pump being equipped with a comminuting means for grinding solid particles in the sewerage and being connected directly to the collection pipe.
- View Dependent Claims (2, 3, 4, 5, 6, 7)
Specification