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Title:
ASSEMBLY FOR THE SANITATION OF THE TERMINALS OF WASTEWATER DISCHARGING PIPES
Document Type and Number:
WIPO Patent Application WO/2019/162977
Kind Code:
A1
Abstract:
An assembly (1) for the sanitation of the terminals of wastewater discharging pipes comprising: - A sanitation chamber (3) inside which, while in use, there is located a terminal (4) to be sanitized; - Fixed UV emission means located inside the sanitation chamber (3) near a bottom portion thereof and arranged as to emit a UV radiation upwards; these fixed UV emission means comprise a first plurality of LEDs (7) arranged along a first circumference and a second plurality of LEDs (9) arranged along a second circumference inside said first circumference; the first and the second plurality of LEDs are arranged so as to emit upward a UV radiation having a wavelength ranging from 200 and 300 nm; and - Movable UV emission means, which are housed inside the sanitation chamber (3) and comprising a third plurality of LEDs (11), which are designed to emit a radiation ranging from 200 and 300 nm and arranged along a circumference on a vertically moving ring-shaped structure (12), which, while in use, is arranged to surround said terminal (4) to be subject to sanitation; the LEDs of the third plurality of LEDs (11) are designed to emit, in a converging manner, a UV radiation having a wavelength ranging from 200 to 300 nm.

Inventors:
GALLUZZI, Andrea (Via Porta Sant'Anna 47, CICILIANO, IT)
Application Number:
IT2019/050036
Publication Date:
August 29, 2019
Filing Date:
February 22, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
STAIES S.R.L. (Via Porta Sant'Anna 47, CICILIANO, IT)
International Classes:
A61L2/10; B61D35/00; E03F1/00; E04H1/12
Domestic Patent References:
WO2016001776A12016-01-07
WO2004011038A12004-02-05
WO2014171886A12014-10-23
WO2017207494A12017-12-07
WO2013172953A12013-11-21
Foreign References:
DE4102760A11992-08-06
US20170284076A12017-10-05
US20180051447A12018-02-22
Other References:
None
Attorney, Agent or Firm:
STUDIO CONSULENZA BREVETTI CIONCOLONI S.R.L. (Viale Castrense 21, Roma, 00182, IT)
Download PDF:
Claims:
C L A I M S

1. An assembly (1) for the sanitation of terminals of wastewater discharging pipes; said assembly being characterized in that it comprises

- a sanitation chamber (3), which houses, in use, a terminal (4) to be subjected to sanitation;

- fixed UV emission means, which are housed inside the sanitation chamber (3) close to a bottom portion thereof and are arranged so as to emit a UV radiation upwards; said fixed UV emission means comprising a first plurality of LEDs (7), which are arranged along a first circumference, and a second plurality of LEDs (9), which are arranged along a second circumference arranged inside said first circumference; said first and said second plurality of LEDs being arranged so as to emit upwards a UV radiation having a wavelength ranging from 200 to 300 nm; and

- movable UV emission means, which are housed inside the sanitation chamber (3) and comprise a third plurality of LEDs (11), which are designed to emit a radiation ranging from 200 to 30 nm and are arranged along a circumference on a vertically movable ring-shaped structure (12), which, in use, is arranged so as to surround said terminal (4) to be subjected to sanitation; said LEDs of said third plurality of LEDs (11) being designed to emit, in a converging manner, a UV radiation having a wavelength ranging from 200 to 300 nm.

2. A sanitation assembly according to claim 1, characterized in that said first plurality of LEDs (7), said second plurality of LEDs (9) and said third plurality of LEDs (11) are arranged along respective circumferences, which are coaxial to one another.

3. A sanitation assembly according to claim 1 or 2, characterized in that said first plurality of LEDs (7) comprises a number of LEDs ranging from 3 to 8; said second plurality of LEDs (9) comprises a number of LEDs ranging from 2 to 4; said third plurality of LEDs (11) comprises a number of LEDs ranging from 12 to 20.

4. A sanitation assembly according to one of the preceding claims, characterized in that the LEDs of said first (7), said second (9) and said third (11) plurality of LEDs emit a radiation ranging from 250 to 280 nm.

5. A sanitation assembly according to one of the preceding claims, characterized in that said sanitation chamber (4) comprises a cylindrical side wall (6) having a reflecting inner surface.

6. A sanitation assembly according to one of the preceding claims, characterized in that it comprises pre washing means comprising a plurality of nozzles (14), which are housed inside the sanitation chamber (3) close to a bottom portion thereof and are arranged so as to emit a high- pressure pre-washing solution upwards, and a discharge system (16) in a bottom portion of said sanitation chamber (3) .

7. A sanitation assembly according to one of the preceding claims, characterized in that it comprises a containing chamber (2) defining, on the inside, said sanitation chamber (3) and comprising a pair of doors (5), which, once closed, define a front wall, part of an upper wall (2a) and part of side walls of the containing structure (2); a hole being made in said upper wall (2a) and being designed to house a suction pipe (T), to which the terminal

(4) is connected.

Description:
DESCRIPTION

of the patent for the industrial invention with title:

“ASSEMBLY FOR THE SANITATION OF THE TERMINALS OF WASTEWATER DISCHARGING PIPES”

The present invention relates to an assembly for the sanitation of the terminals of wastewater discharging pipes. More specifically, the present invention is aimed to the discharge of the wastewater from the train toilets, to which the description will make explicit reference without losing its generality.

As it is known to the specialists of the sector, the collection reservoirs of wastewater from the train toilets are periodically subjected to a series of necessary unloading and sanitation operations.

These operations take place through a centralized system or by single machines positioned along the track near the train.

Generally, these operations involve at least (a) the suction of wastewater and the discharge of the same from the sealed retreat of the carriage to the sewage system; (b) the injection at a high pressure of a disinfectant solution in the sealed retreat of the carriage; and (c) the clear water load in a storage tank of the carriage.

Despite the above operations are almost always carried out automatically, it is always requested direct human intervention, nevertheless. As it may seem evident to a specialist of the branch, such intervention necessarily involves an element of risk of biological contamination for the personnel in charge. Such circumstance, that occurs, in particular, with the contact between the operator and the pipe connection terminal wastewater suction, which must be withdrawn manually by the operator and placed inside a special housing compartment at the end of its use.

Until now, this problem has been addressed from the industry sector almost exclusively by providing the use of protective devices supplied to the staff handling the terminal.

For a more complete understanding of the problem above, it should be considered that the connection terminal of the wastewater suction pipe can represent a contaminating element not only for operators but also for the other circuits connected to the toilet, such as the clear water charging circuit in a carriage storage tank.

Therefore, the need was felt to have one sanitizing device for an effective sanitation of the connection terminals for the suction pipe of the wastewater from the toilets.

Object of the present invention is an assembly for the sanitation of the terminals of wastewater discharging pipes, whose essential characteristics are reported in claim 1, and whose preferred characteristics and / or auxiliaries are reported in claims 2-7.

Below, there is a purely illustrative and non-limiting example of embodiment with the help of attached figures, in which:

Figure l is a perspective view of the assembly for the sanitation;

Figure 2 shows an enlarged view of a detail of the assembly for the sanitation of Figure 1; and

Figure 3 shows an enlarged view of another element of the assembly for the sanitation of figure 1.

In the Figure 1 it is indicated as a whole with 1 an assembly of sanitation according to the present invention.

Group 1 comprises a containment structure 2 defining internally a sanitation chamber 3 suitable to house a terminal 4 for the connection of the aspiration pipe of wastewater from the toilets.

The containment structure 2 comprises a pair of doors 5 which, once closed, define a wall front, part of an upper wall 2a and part of side walls of the containment structure 2. In particular, in the upper wall 2a there is a hole adapted to house the suction pipe T to which the terminal 4 is connected.

The side walls, the front wall and the posterior wall of the containing chamber 2 carry internally a respective a curve side wall 6 such as achieve, once the containing chamber 2 is closed, a single cylindrical lateral surface of the sanitation chamber 3. Each of the cylindrical side wall 6 is covered with a reflective layer in such a way as to make the sanitation chamber completely defined by a single reflective cylindrical surface.

As better illustrated in Figure 2, the assembly 1 includes fixed UV emission means composed of one first plurality of LEDs 7 fixed at regular intervals to a first substantially circular structure 8 arranged on a bottom wall of the containing chamber 2, and a second plurality of LEDs 9 also fixed at regular intervals to a second circular structure 10 substantially arranged coplanar, internally and coaxial with the first circular structure 8.

In particular, the first plurality of LEDs 7 includes four LEDs and the second plurality of LEDs 9 includes two LEDs. Preferably, according to the present invention, the first plurality of LEDs 7 includes a number comprised between three and eight thereof, while the second plurality of LEDs 9 includes a number between two and four thereof.

LEDs from both the first 7 and the second 9 plurality, are arranged to direct the UV radiation upwards in order to hit, in this way, from the bottom both the interior and the exterior of the terminal 4 with the UV radiation itself.

As better illustrated in Figure 3, the assembly 1 includes mobile UV emission means composed of a third plurality of LEDs 11 fixed at regular intervals to a third substantially circular structure 12 arranged to move vertically along fixed vertical tracks 13 fixed to the rear wall of the containing chamber 2. LEDs of this third plurality 11 are arranged to address UV radiation in a concentric way.

In particular, the third plurality of LEDs 11 includes sixteen LEDs and, preferably, according to the present invention includes a number between twelve and twenty.

In use, the third circular structure 12 is arranged a surround the terminal 4, in such a way that by moving vertically the LEDs 11 are able to hit with the UV radiation all the external wall of the terminal 4. Moreover, the third circular structure 12 is coaxial and parallel with the first 8 and the second 10 circular structure. LEDs of the first 7, second 9 and third plurality 11 emit at a wavelength equal to 254 nm. Preferably, according to the present invention, the LEDs emit at a wavelength between 200 and 300 nm.

As better illustrated in figure 2 the assembly 1 includes irrigation means composed of four nozzles 14 obtained in a circular structure 15 arranged between the first circular structure 8 and the second structure circular 10, to which it is coplanar and coaxial.

The four nozzles 14 are made to direct their own jet of disinfectant solution upwards in such a way to hit the terminal 4 from below. The assembly 1 comprises a collection tank 16 arranged to collect the wastewater and the solution disinfectant from the terminal 4.

In use, once the suction / discharge procedure of toilet waste is terminated, the doors 5 of the containing chamber 2 will open and the terminal 4 is housed inside the sanitation chamber. With the subsequent closing of the doors 5, the suction pipe T to which the terminal 4 is connected is located inside the hole that is created in the upper wall 2a that is formed.

At this point, first the nozzles 14 are activated to hit the terminal 4 with a disinfectant solution from below and then the LEDs are activated. All this procedure will last the necessary time to insure with a reasonable certainty the sanitation of the terminal 4.

Finally, the assembly 1 object of the present invention can include a control unit to be able to activate remotely the nozzles and the LEDs.

The base of the present invention is the intuition of applying the UV technology to the sanitation of plants pipe terminals responsible for the suction of wastewater. In this way, you can get a safer use from the operator and prevent the contamination of other possible circuits, such as, for example, in the case of the CET, those responsible for the loading of clear water to fill the flushes on board.

The invention described above, in addition to being able to be adapted to the equipment for the discharge of train toilets, can find advantageous application also in other sectors, such as for example centralized systems, carriages unloading vents, outlets of self-discharge, camper toilets, etc.

Finally, it should be emphasized how the arrangement of the LEDs in the assembly of the present invention allows to guarantee the sanitation of the terminals regardless of their particular conformation.