IT202000019996A1 - SHUT-OFF DEVICE FOR WATER TREATMENT DEVICES IN PLUMBING AND/OR SANITARY INSTALLATIONS - Google Patents

Description

Description of a patent for an industrial invention for the invention entitled:

?LOCKING DEVICE FOR WATER TREATMENT DEVICES IN HYDRAULIC AND/OR SANITARY INSTALLATIONS?

The present invention generally refers to a closure device for water treatment devices in hydraulic and/or thermal systems. Pi? in particular, it is a closing device useful to be included in water treatment devices, such as dosing systems, dirt separator systems, various filtering systems or others still connected to the relative thermal and/or hydraulic system.

In the following, in order to illustrate the invention relating to a closure device, reference to the metering systems used for heating and/or hydraulic systems. But ? of course that the? invention can? be implemented also for the closure with respect to the relative thermal and/or hydraulic system of a dirt separator system, a filter of any type or other devices for water treatment.

As known, limescale deposits can form in thermal and/or hydraulic systems generated when the water is heated. ? therefore it is mandatory to carry out chemical conditioning in the systems for the production of domestic hot water, as required by ministerial decree n. 26 of 2015.

For this purpose, anti-scaling and anti-corrosive products are then released into the water by means of a proportional dosing system. In fact, these products are introduced proportionally to the passage of water, exploiting the so-called ?Venturi effect?, thanks to which the quantity? of antiscalant and anticorrosive products released in the system? proportional to the quantity? of the water supplied.

The equipment in question consists of an upper part connected to the system, called the ?doser body?, and a lower part where the anti-encrusting anticorrosive product is placed, called the ?doser container?.

The dispensers according to the prior art present some problems. First of all, the? Attack of the dosing body? usually carried out by means of screws or grains on which to act for the horizontal or vertical displacement of the same attack. As a result, the orientation of the attack can only be done in steps of 90? or multiples of this.

Furthermore, the connection from the metering body to the hydraulic system according to the prior art is usually two-way and in rare cases three-way. However, the latter does not provide for the total passage of the water flow, i.e. the water passes only through the connection where the Venturi effect is applied.

Because of these modes? of attack, the? installer ? often forced to use logs or hoses as an extension in order to proceed with the assembly of the dosing system.

Another problem of the dispensers according to the prior art is the presence of a by-pass tap which is closed when ? necessary to replace the cartridge or add anti-scaling and anti-corrosive product powder.

This by-pass valve prevents water from entering and leaving the vessel, while still allowing water to pass through the system. Consequently, in the event that the anti-scaling and anti-corrosive product is finished, after replacing or refilling the dispenser there is? the risk of leaving this tap in by-pass, preventing the entry of the anti-scaling and anti-corrosive product into the system and the relative protection.

Purpose of the present invention? that of offering a closing device for water treatment devices in hydraulic and/or thermal systems which solves the problems of the prior art.

Another purpose of the invention? that of providing a locking device that is practical and effective.

A further object of the invention ? to offer a closure device that allows you to effectively use the device for the treatment of water to which ? applied.

These and other aims are achieved, according to the invention, by a closure device for water treatment devices in hydraulic and/or thermal systems as defined in the claims.

Further characteristics and details can be better understood from the following description, given as a non-limiting example, as well as? from the attached drawing table in which:

figure 1 ? an exploded side view of a metering system comprising a metering body and a metering vessel with a cartridge therein, as well as a closure device, according to the invention;

figure 2 ? a side sectional view of the metering vessel of the metering system of figure 1, when the cartridge is still full of product to be dosed;

figure 3 ? a detail of figure 2;

figure 4 ? a side sectional view of the metering vessel of the metering system of figure 1, when the cartridge is empty;

figure 5 ? a detail of figure 4;

figure 6 ? a sectional side view of a cartridge usable in the dosing system of figure 1;

figure 7 ? a detail of figure 6.

With reference to the attached figure, in particular to figure 1, 10 indicates as a whole a metering system suitable for introducing anticorrosive and antiscaling products into the water of a plant.

The dosing system 10 includes:

- a metering body 12 in which the water passes and the simultaneous release of an anticorrosive and antiscaling product takes place; - a metering vessel 14, connected by screwing to the metering body 12;

- an attachment element 16, able to connect the metering body 12 with the hydraulic system to be chemically conditioned.

The attachment element 16 comprises a three-way connector, i.e. four cross-joined ducts, specifically:

- a first duct 18, connected to the metering body 12;

- a second duct 20, a third duct 22 and a fourth duct 24, useful for connecting the metering body 12 to the system.

The three-way attachment element 16 allows you to choose the most suitable connection? convenience of the plant to the dosing system 10, according to the configuration of the same plant on which the assembly is to be carried out.

The second duct 20 which consists of the connection for the water entry into the boiler, is stretched for ease of installation.

Consequently, the attachment element 16 provided by the metering system 10 according to the invention includes multiple advantages for the installation. In fact, in a single model ? Is it possible to understand all the possible connection configurations to the boiler and to the heating system on the market, thus avoiding the use of extension cords, logs and/or hoses.

Furthermore, thanks to this feature, the stock of different models by installers or resellers is avoided.

The first duct 18 is the one for connection to the metering body 12 and comprises a recess 26, while in the metering body 12 it is including at a? end? an annular body 28 with connection holes 30.

Thanks to this conformation, the attachment element 16 can be connected to the metering body 12, by means of a bayonet connection, by partially inserting the first duct 18 into the metering body 12 and locking it in this position with a clip element 32 which fits into the connection holes 30 and into the recess 26.

This modality? of attack facilitates the maximum? horizontal or vertical orientation of the dosing body, which can? be cos? adjusted at will to 360? and not in jerks like the dosers according to the prior art.

In the dosing body 12 ? welcomed a rotary selector 34 to which ? set a means of grip 36 cos? to form a closing and opening device of the dosing system 10.

The closure device therefore connects the thermal and/or hydraulic system having an inlet duct and an outlet duct, with the metering vessel 14 which comprises an inlet duct and an outlet duct.

The selector 34 mobile ? coupled to the metering body 12 adapted to be connected on one side to the thermal and/or hydraulic system by means of the attachment element and on the other to the metering vessel 14.

The selector 34 comprises a first passage duct and a second passage duct.

By turning, selector 34 can be arranged according to a first configuration or according to a second configuration.

In the first configuration, the first passage duct connects the inlet duct of the system to the inlet duct of the metering vessel 14 and the second passage duct connects the outlet duct of the metering vessel 14 to the outlet duct of the system.

In the second configuration, the system inlet duct is not? connected to the inlet duct of the metering vessel 14 and the outlet duct of the metering vessel 14 is not ? connected to the outlet duct of the system.

In this second configuration, the closure device blocks the passage of water, not only in the dispenser, but also in the system.

In this way, in the event that the anti-scaling and anti-corrosive product cartridge needs to be replaced, the closing device completely shuts off the water flow in the system.

In fact, the selector 34 has a length such as to also cover the space inside the attachment element 16, in particular in the crossing area between the second duct 20, the third duct 22 and the fourth duct 24.

Consequently, the selector 34 acts as a safety stop valve, thus avoiding that the installer has to install one upstream of the metering system 10 with saving of time and reduction of overall dimensions.

In addition, the tap acts as a protection in case you forget to start the dosing system after changing the cartridge or adding powder. In fact, if the tap is not opened, i.e. the gripping means 36 is not rotated, so? by placing the selector 34 in the water flow configuration, we will not have hot water to the user.

The measuring cup 14 comprises a cup 38 suitable for being screwed to the measuring body 12 and which houses a cartridge 40 with the antiscalant and anticorrosive product.

In particular, the powder cartridge 40 comprises an integrated filtration system. In fact, in the 40 cartridge ? a bacteriostatic filtering net 42 is integrated.

In fact, as illustrated in figures 6 and 7, the cartridge 40 comprises a product to be dosed 62, usually a polyphosphate, which, mixing with the water rising from a cannula 64, creates a saturated solution S1.

This saturated solution S1 passes through a labyrinth septum 68 and then comes to mix with the incoming water A1 in the cartridge, thus to obtain a mixture M of inlet water A1 and saturated solution S1 which leaves the cartridge through a duct 70.

The mixing of the incoming water A1 with the saturated solution S1 ? obtained thanks to the Venturi effect.

Furthermore, the incoming water A1 and the saturated solution S1 pass through the bacteriostatic filtering net 42 which avoids blockage of the duct 70.

So, ? the same cartridge 40 of powdered product to include a filtration system, i.e. the filtering net 42.

In the metering system 10 according to the invention the metering system by means of the Venturi effect ? placed in the cartridge. Consequently, with each replacement of the cartridge 40, there is a new dosing system and a filtering cartridge and therefore the certainty of a system that is always in operation with maximum efficiency.

The metering system 10 according to the invention comprises the labyrinth septum 68, which attenuates the typical overdoses on opening and closing the tap.

. Pi? in particular, the labyrinth septum 68 avoids overdosing at the openings of the taps, differently from the systems according to the prior art where the saturated solution is directly aspirated by the device with Venturi effect.

Furthermore, to improve the proportionality? of the dosage, to the dosing system according to the invention? a back-pressure damper has been added, consisting of an elastic membrane 44, to prevent the back-pressure caused by the sudden closing/opening of the tap from causing greater consumption of the powder.

The elastic membrane 44 ? inserted inside the attachment element 16.

Furthermore, the dosage increasingly? precise, combined with the use of powder products, allow you to create cartridges with a longer life, reducing overall dimensions to the advantage of installation under the boiler where spaces are limited.

This ? also due to the use of a product in powder more? concentrate of the normal refills in powder or liquid already? on the market which are instead premixed with water.

The metering system 10 according to the invention ? equipped with an alarm system, since in the glass 38 of the measuring jar 14 is a housing 46 is provided for accommodating an optical device 48.

The alarm system works thanks to the optical device which works by means of reflection and is able to detect the presence or absence of the product to be dosed inside the cartridge 40.

Pi? in particular, as illustrated in figures 2 to 5, the optical device 48 comprises a light emitter 50 and a light detector 52.

According to figures 2 and 3, when is the cartridge ? filled at the bottom with the product to be dosed, usually a polyphosphate, the emitter 50 emits a light beam which is reflected by the polyphosphate and then detected by the detector 52.

In this case, the alarm system does not emit any alarm signal because the cartridge? still full.

According to figures 4 and 5, when is the cartridge ? empty of product to be dosed, so when? completely filled with a transparent solution, the light beam emitted by the emitter 50 is not reflected and therefore not picked up by the detector 52.

In this case, noting that when a light beam is emitted by the emitter 50 no signal is detected by the detector 52, the alarm system signals that the cartridge is ? empty and therefore must be replaced.

The alarm system includes an acoustic alarm and/or an optical signal, which warns the user when the product is out of product and therefore when it is time to replace the cartridge.

The signal can be transmitted via Bluetooth, WiFi, radio waves or more.

Also included in this solution are any other similar technologies or technologies used to detect product exhaustion in these types of dosing equipment/systems.

The shipping packaging of the dispenser ? made up of an expanded thermoformed shell which has the function of protecting and insulating the equipment once installed in places exposed to low temperatures.

Furthermore, variants may be envisaged to be considered included in the scope of the invention.

Claims (5)

1. Closing device (12, 34) for a device for treating water (14) in hydraulic and/or thermal systems suitable for being included in such devices, such as metering systems, dirt separator systems, various filtering systems or others furthermore, connected to the relative thermal and/or hydraulic system having an inlet duct and an outlet duct, the water treatment device (14) comprising an inlet duct and an outlet duct characterized in that it comprises a body (12) and a movable selector (34), coupled to said body (12), said body (12) able to be connected on one side to the heating and/or hydraulic system by means of an attachment element and on the other to the device for water treatment (14), said selector (34) comprising a first passage duct and a second passage duct, thus that the selector (34) can be arranged according to a first configuration, in which the first passage duct connects the inlet duct of the system to the inlet duct of the water treatment device (14) and the second passage duct connects the outlet duct of the water treatment device (14) to the outlet duct of the system, or according to a second configuration, in which the inlet duct of the system is not ? connected to the inlet pipe of the water treatment device (14) and the outlet pipe of the water treatment device (14) is not connected? connected to the outlet duct of the system, cos? that, in the second configuration, the system inlet duct and the system outlet duct are not connected to each other, blocking the flow inside the system. 2. Closure device according to the preceding claim, wherein the selector (34) is received inside said body (12). 3. Closing device according to the preceding claim, wherein the selector (34) is rotating with respect to the body (12). 4. Closure device according to one of the preceding claims, wherein the selector (34) is? fixed a gripping means (36). 5. Closure device according to one of claims 2 to 4, wherein the selector (34) has a length greater than that of the body (12) so? to be placed inside the attachment element.