ITBZ20070029A1 - RECOVERY SYSTEM FOR WASHING LIQUIDS USED IN SHOWERS, SINKS AND / OR BATHROOMS - Google Patents

Description

Title: Recovery system for washing liquids used in showers, sinks and / or bathrooms

The present invention relates to a recovery system for washing liquids used in showers, sinks and / or bathrooms according to the classifying part of claim 1.

A system of this type has been described and claimed by the same applicant in his Italian patent application BZ 2007 A 018 filed on 05 April 2007. Although the plant described therein has proven to be fully up to its purpose, it although it is susceptible to improvements, especially as regards its compactness and its maintenance.

It is therefore the object of the present invention to make the aforementioned plant even more compact and easier in its maintenance.

This object is achieved by a system for recovering washing liquids used in showers, sinks and / or bathrooms with the characteristics of the characterizing part of claim 1.

The new version of the Save Water System achieves the same purposes as the aforementioned patent application (recycling the water from the shower and other drains for use in the toilet flush), but with some technical advantages.

Eliminates the float system for opening the drain plug thus simplifying operation. In fact, the drainage takes place simply through the “overflow” tray 4.

It allows you to have all the operating elements in the container under the shower tray, in particular the relay 6 and the valve 8, which were previously positioned in the toilet bowl, are now in an easily maintainable area 20 and 22. Further details and advantages result from the claims and from the following description with reference to the attached drawing in which they show

Figure 1 is a schematic top view of a recovery system for washing liquids used in showers, sinks and / or bathrooms,

Figure 2 is a detail of Figure 1 in a schematic elevation view, highlighting its operation and

Figure 3 is a schematic perspective view of a system drain according to the invention.

The water for domestic use is stored in the collection tank 1 located under the shower tray 11. The water is collected both directly from the shower drain, with the shower tray placed at the top, and through the drain of other utilities (sink, bidet. ..) 100. The water deriving from the shower is already without "heavy" dirt (hair ....) as it passes through its normal filter, only the "light" dirt (foam ....) will pass. The water deriving from 100 drains directly into the settling chamber 21, releasing the heavy dirt (hairs ...) in the filter tank 2, which can be removed for occasional cleaning, and overflows through the weir 3 into the collection tank 1. When the The water reaches the desired limit value (8-20 cm) overflows into the overflow tank 4 and exits directly to the drain 101. The water from tank 1, containing only light dirt, ie floating, passes under the weir 5 into the part of the tank 20 where the pump 7 is positioned, but leaving on the other side all the light dirt which will tend to come out through the overflow 4 as the incoming water exceeds the limit.

When the button of the toilet flush connected with 103 is activated, the normal circulation water immediately arrives through 104. Instantly, when the water passes, the relay flow sensor 6 closes the contact thus closing the supply valve 8 and simultaneously activating pump 7. The float relay 9 allows you to check that there is enough water in the tank 1 and 20 and, in the negative case, it does not allow the closing of the valve 8 (always open) or of the pump 7. return 10 prevents water from 104 from entering 1 but going exclusively to 103.

In one embodiment all the operating elements of the water flow are positioned in the three chambers 20, 21, 22. The filter pan 2 is placed in the chamber 21 separated from 1 through the weir 3. The flow sensor 6 and the valve 8 are positioned in chamber 22, the only one not submerged in water. The pump 7, the level sensor 9 are positioned in the chamber 20 where the weir 5 allows the passage of clean water only.

In full operation the flush water is fed through pump 7, when the flush independently closes its inlet, as it is already full, the water stops flowing from 103 and thus the flow sensor 6 reopens the contact, stopping the pump and disconnecting the valve 8.

In case of maintenance, it is possible to open the lid which covers the external part of the shower tray 20, 21, 22 and which contains all the operating components. You can also extract the tray 2 to clean it from the accumulation of dirt.

Key to the reference numbers

1 collection tank of height H (8-20 cm)

2 Removable heavy dirt collection tray

3 Top pile weir h (7-19 cm)

4 Overflow tray h (7-19 cm)

5 Lower passage weir

6 Relay flow sensor (closes the contact when water passes)

7 12/24 V pump

8 Valve always open (closes if powered at 12/24 V)

9 Float relay (opens the contact if the float is at the bottom - little water)

10 Non-return valve

1 1 Shower tray

20 clean water room

21 dirty water room on arrival

22 electrically operated control chamber 100 Water inlet to be recycled, sink, bidet ...

101 Discharge

103 Water connection to the toilet flush

104 Domestic water inlet

Claims (2)

R I V E N D I C A Z I O N I 1. Recovery system for washing liquids used in showers, sinks and / or bathrooms, comprising a collection tank (1) located under the shower tray equipped with at least one inlet (100) connected to a wash water outlet , a dirty water decantation chamber (21) with removable tray (2), an overflow dividing wall (3), a sewer drain (101), a lower passage weir (5), a suction pump (7), a domestic water inlet pipe (104) connected to the pump (7) and to the user (103), a relay flow sensor (6) electrically controlling the pump (7) and the valve (8) controlled by a relay float (9) in the collection tank to interrupt the electrical supply to the pump (7) and valve (8) in case of absence of water in the collection tank 1 and 20, characterized by the fact that the drain to the sewer (101) is connected through an overflow (4) and that the operating elements of the water flow such as the pump (7), the non-return valve (10) and the float relay (9) are arranged in a space, in particular a chamber (20) separate from the settling chamber (21). 2. System according to claim 1, characterized in that all the electrical operating members such as the relay flow sensor (6), the valve (8) and the float relay (9) are arranged in chambers next to the collection (1) outside the shower tray area.