EP4323092A1 - Dispositif et procédé de traitement de fluides - Google Patents

Dispositif et procédé de traitement de fluides

Info

Publication number
EP4323092A1
EP4323092A1 EP22717667.4A EP22717667A EP4323092A1 EP 4323092 A1 EP4323092 A1 EP 4323092A1 EP 22717667 A EP22717667 A EP 22717667A EP 4323092 A1 EP4323092 A1 EP 4323092A1
Authority
EP
European Patent Office
Prior art keywords
shutter
channel
section
fluid
valve body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22717667.4A
Other languages
German (de)
English (en)
Inventor
Umberto Bertolotti
Mario Contini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IVAR SpA
Original Assignee
IVAR SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IVAR SpA filed Critical IVAR SpA
Publication of EP4323092A1 publication Critical patent/EP4323092A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/20—Dissolving using flow mixing
    • B01F21/22—Dissolving using flow mixing using additional holders in conduits, containers or pools for keeping the solid material in place, e.g. supports or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/316—Injector mixers in conduits or tubes through which the main component flows with containers for additional components fixed to the conduit

Definitions

  • the object of the present invention is a device for treating fluids as well as a treatment method using said device.
  • the present invention can have application for hydraulic plants of domestic and/or industrial type, for example heating plants and hydro-sanitary plants.
  • the present device can be employed, in a non-limiting manner, for the chemical conditioning of the water, for example by means of the addition of a pre-established percentage of sodium and/or potassium polyphosphates.
  • the present invention is also intended for a hydraulic plant, in particular a hydro-sanitary plant, using said treatment device.
  • the hydro-sanitary or heating plants are provided with operating devices - such as for example ducts, boilers, pumps, heat exchangers - configured for treating work fluid circulating in the plant; typically, upstream and/or downstream of several of these operating devices, valves are provided which are capable of intercepting the circulation of the fluid, and in some cases also for executing a treatment on the same fluid, for example a cleaning, filtering or chemical conditioning treatment.
  • operating devices such as for example ducts, boilers, pumps, heat exchangers - configured for treating work fluid circulating in the plant; typically, upstream and/or downstream of several of these operating devices, valves are provided which are capable of intercepting the circulation of the fluid, and in some cases also for executing a treatment on the same fluid, for example a cleaning, filtering or chemical conditioning treatment.
  • Such plants very often have to operate in difficult conditions, above all when they are traversed by waters having a certain quantitative of calcium and magnesium salts, which determine the hardness thereof.
  • a chemical process is triggered which generates calcium carbonate (limescale) and carbon dioxide; the limescale tends to precipitate and encrust parts of the plant, for example the heat exchanger of the boilers, while the carbon dioxide can trigger corrosive effects inside the plant itself.
  • the limescale that is deposited along the channels of the plant tends to obstruct the passageways: such condition, in combination with possible damage that can be caused to other components of the same plant, negatively affects the efficiency of the plant and consequently the energy consumptions and pollution of the same.
  • valves have been developed that are capable of retaining at least one part of the solid particles present in the fluid traversing the valve itself and dosers of polyphosphates capable of chemically conditioning the fluid in order to opposite the formation/presence of limescale and carbon dioxide.
  • the doser owes its operation to the release of water of sodium and potassium polyphosphates in the water, which are chemically reactive with the calcium ions present in the water; the polyphosphates also act in order to create a kind of film within the pipes, which allows protecting them from limescale attack.
  • the polyphosphate doser when installed on hydro plants, serves for opposing and preventing the process of formation of limescale and carbon dioxide, hence assisting to keep clean the components of the plants (e.g.
  • a first type of known polyphosphate doser comprises a valve body essentially defined by a tubular duct extended between an inlet and an outlet. Such doser also comprises a container removably engaged with the valve body: the container has only one access and defines a compartment for containing a powder composition adapted to release, when crossed by a fluid, a solution of polyphosphates.
  • This first doser type due to the nature of the composition present in the container, is recognized in the technical field with the name ‘powder doser'.
  • the container is in communication with the tubular body by means of two calibrated through holes, interposed between the inlet and the outlet of the tubular body and directly faces the single access of the container.
  • the calibrated holes are configured in order to allow a part of the water flow in passing from the tubular body to reach the container, to cross it and be reintroduced in the tubular body: the part of water flow passing from the container generates a solution of polyphosphates adapted to be mixed with the main water flow crossing the tubular body.
  • the powder dosers are capable of chemically conditioning the fluid of a hydro plant, the Applicant has found that such solution does not lack limitations and drawbacks.
  • the powder dosers have a complex structure that must ensure the containment of the powder composition; such dosers are also subjected to obstruction caused by the powder composition which, as further drawback, tends to be dried and thus lose at least part of the properties that allow the powder composition to correctly release the polyphosphate solution in water: such conditions can seriously compromise the operation of the powder dosers and thus cause damage to the hydro plant.
  • the structure of the powder dosers makes the maintenance activity of the same complex. Indeed, in some known models, the substitution of the powder composition present in the container can request the interruption of the operation of the entire plant.
  • a second known doser type is described in the Italian patent application No. 102018000007402.
  • Such doser also comprises a valve body essentially defined by a tubular duct extended between an inlet and an outlet.
  • Such doser also comprises a container removably engaged with the valve body: the container has only one access and defines a compartment for containing a plurality of spheres adapted to release, when in contact with a fluid, a quantity of polyphosphates.
  • This second doser type due to the nature of the composition present in the container, is recognized in the technical field with the name ‘sphere doser'.
  • the container is in communication with the tubular body by means of a first and a second hole, interposed between the inlet and the outlet of the tubular body and directly facing the single access of the container.
  • the doser also comprises a shutter arranged at the first calibrated hole and configured for being moved between a first and second operating position; in the first operating position, the shutter is configured for deflecting the entire flow of water entering the valve body through the first hole and hence within the container: the water within the container is then conveyed through the second hole, once again introduced into the valve body before then allowing the expulsion through the outlet of the valve body.
  • the shutter in the second operating position is instead configured for conveying the entire water flow entering the valve body directly towards the outlet, bypassing the container.
  • the spheres with respect to the powder composition of the first doser type, have the advantage of releasing in a precise and controlled manner the quantity of polyphosphates, in order to allow an optimal chemical conditioning of the water.
  • the doser can have a simplified structure that is more easily regenerable. Additionally, the sphere doser, with respect to the powder doser, is not subjected to obstruction.
  • Object of the present invention is therefore that of resolving at least one of the drawbacks and/or limitations of the preceding solutions.
  • a first objective of the invention is to provide a device having a simple and compact structure, easily installable on hydraulic plants of domestic and/or industrial type.
  • a further object of the present invention is to propose a device for treating fluids characterized by a simple and rational structure.
  • Further object of the present invention is to create alternative solutions, with respect to the prior art, in making devices and methods for treating fluids, and/or opening new design fields.
  • the invention regards a device (1) for treating at least one fluid, said device (1) comprising:
  • valve body (2) having at least one inlet (4), at least one outlet (6), at least one first and one second access (8, 10), in which said first and second accesses (8, 10) are arranged in interposition between the inlet (4) and the outlet (6), said valve body (2) having at least one channel (3) extended between the inlet (4) and the outlet (6),
  • At least one container (20) engaged with the valve body (2) and defining at least one compartment (21) in fluid communication with the first and second accesses (8, 10).
  • the device comprises at least one shutter (40) housed in the channel (3) of the valve body (2).
  • the shutter (40) is movable within the channel (3) at least between a first and a second operating position.
  • the shutter (40), in the first operating position is configured in order to allow the fluid communication between the inlet (4) and the outlet (6), said shutter (40), in the first operating position, also being configured in order to allow the fluid communication between the channel (3) and said first and second accesses (8, 10) so as to allow the fluid communication between said channel (3) and the compartment (21) of the container (20).
  • the shutter (40), in the second operating position is configured in order to prevent the fluid communication between said first and second accesses (8, 10) and the channel (3).
  • the shutter (40), in the second operating position is configured in order to only allow the fluid communication between the inlet (4) and the outlet (6) of the valve body.
  • the shutter (40), in the second operating position in the second operating position:
  • the shutter (40) is movable via translation within the channel (3) between the first and the second operating positions, and vice versa. In one aspect according to any one of the preceding aspects the shutter (40) is movable via translation along a direction substantially parallel to at least one section of an extension trajectory of the channel.
  • the shutter (40) comprises a first through opening (41) and a second through opening (42).
  • said first and second through openings (41, 42) are in fluid communication with each other by means of a central cavity (47) of the shutter (40).
  • the first and the second through opening (41, 42) face each other.
  • first and the second through opening (41, 42) are aligned along a direction, optionally rectilinear.
  • the shutter (40) is movable between the first and the second operating position, and vice versa, along a trajectory substantially parallel to the alignment direction of said first and second through opening (41, 42).
  • the first through opening (41) has a circular shape.
  • the second through opening (42) has a circular shape.
  • first and the second through opening (41, 42) define respective fluid passage sections.
  • the second through opening (42) defines a fluid passage section equal to or smaller than a fluid passage section of the first through opening (41).
  • the passage section of the shutter (40) is at least partly variable from the first to the second through opening (41, 42). In one aspect according to any one of the preceding aspects the passage section of the shutter (40), for at least one section defined between the first through opening (41) and a middle zone of the shutter (40) defined between the first and the second through opening (41, 42), has a decreasing progression starting from said first through opening (41).
  • the passage section of the shutter (40), for at least one section defined between the second through opening (42) and a middle zone of the shutter (40) defined between the first and the second through opening (41, 42), has a decreasing progression starting from said second through opening (42).
  • the shutter (40), during the movement of the same between the first and the second operating position, is configured for being moved towards the outlet (6) or the inlet (4), optionally towards the outlet (6).
  • first and the second through opening (41, 42), in the first and second operating positions of the shutter (40), are in fluid communication with the inlet (4) and the outlet (6) of the valve body (2).
  • the shutter (40), during the movement of the same between the second and the first operating position, is configured for being moved towards the inlet (4) or the outlet (6), optionally towards the inlet (4).
  • the shutter (40) has a substantially tubular shape. In one aspect according to any one of the preceding aspects the shutter (40) is at least partly counter-shaped with respect to the channel (3) of the valve body (2).
  • the shutter (40) has:
  • first section (40a), the intermediate section (40c) and the second section (40b) are arranged one adjacent to the other along the alignment direction from the first and second through opening (41, 42) of the shutter (40) itself.
  • the first section (40a) has a pre-established external size substantially identical to or greater than a pre-established external size of the second section (40b). In a further aspect according to any one of the preceding aspects, excluding the preceding aspect, the first section (40a) has a pre-established external size substantially identical to or smaller than a pre-established external size of the second section (40b).
  • At least one part of the intermediate section (40c) of the shutter has a pre-established external size smaller than an external size of the first and/or of the second section (40a, 40b) of the same shutter (40).
  • the intermediate section (40c) of the shutter (40), at least in the first operating position of the shutter (40) faces the first access (8). In one aspect according to any one of the preceding aspects the intermediate section (40c) of the shutter (40), in the first and in the second operating position of the shutter (40), faces the first access (8).
  • the second section (40b) of the shutter at least in the first operating position of the shutter (40), substantially faces the second access (10).
  • the intermediate section (40c) defines a peripheral section adapted to cooperate with the channel (3) in order to allow the passage of fluid and adapted to place in communication the inlet (4) with the first access (8), in the first operating position of the shutter (40).
  • valve body (2) comprises a hollow tubular body extended between a first and a second end portion (2a, 2b) and defining at least one section of the channel (3).
  • the hollow tubular body defines the entire channel (3) of the valve body (2).
  • the tubular body at the first end portion (2a), has a hollow inlet collar (2') while, at the second end portion (2b), it has hollow outlet collar (2”).
  • the inlet collar (2') defines the inlet (4) and at least one terminal section of the channel (3).
  • the outlet collar (2”) defines the outlet (6) and at least one terminal section of the channel (3).
  • inlet collar (2') and the outlet collar (2”) are integrally joined to each other, optionally via interposition of a central body of the tubular body of the valve body (2).
  • the inlet (4) and the outlet (6) are both configured in order to allow the passage of fluid. In one aspect according to any one of the preceding aspects the inlet (4) and the outlet (6) are both configured in order to allow the passage of fluid, entering and exiting from the device (1).
  • the treatment device (1) is configured for: - defining a first use condition in which the fluid enters into the valve body (2) through the inlet (4), travels at least part of the channel (3) before then exiting from the valve body by means of said outlet (6), or
  • valve body (2) comprises at least one hollow intermediate collar (80) integrally joined to the tubular body, optionally to the central body of the tubular body.
  • intermediate collar (80) emerges from the tubular body at a section interposed between the inlet collar (2') and the outlet collar (2”) of the valve body (2).
  • first and the second access (8, 10) are defined the first and the second access (8, 10).
  • the container (20) is directly removably engaged with the intermediate collar (80).
  • valve body (2) is attained by means of at least one process selected from the group among: a process of die casting, molding, chip removal.
  • valve body (2) is attained in at least one of the following materials: plastic, metal. In one aspect according to any one of the preceding aspects the valve body (2) is attained in at least one of the following materials: cast iron, steel, alloy based on nickel, copper, titanium. In one aspect according to any one of the preceding aspects the channel (3) is extended between the inlet and the outlet (4, 6), at least for a section, along a pre-established direction (X), optionally rectilinear. In one aspect according to any one of the preceding aspects the channel (3) is extended between the inlet and the outlet (4, 6), at least for a main section of the channel (3), along a pre-established direction (X).
  • extension direction (X) of the channel (3) is parallel to the alignment direction of the first and second through opening (41, 42) of the shutter (40).
  • the shutter (40) is movable via translation between the first and the second operating position, and vice versa, along a trajectory parallel to the extension direction (X) of the channel (3).
  • the channel (3) has at its interior at least one seat (3b) within which the shutter (40) is engaged.
  • the first and second accesses (8, 10) are defined at the seat (3b) of the channel (3).
  • the shutter (40) is at least partly counter-shaped with respect to the seat (3b) of the channel (3).
  • the seat (3b) of the channel (3) comprises a first, a second and a third zone (3b', 3b”, 3b'”), in which said first, second and third zones (3b', 3b”, 3b'”) are sequentially arranged along the extension direction (X) of the channel (3).
  • the second zone (3b”) is interposed between the first and the third zone (3b’, 3b’”).
  • the first zone (3b') defines a passage section for the fluid greater than a passage section for the fluid defined by the second zone (3b”).
  • the first zone (3b') defines a passage section for the fluid greater than a passage section for the fluid defined by the third zone (3b'”).
  • the second zone (3b”) defines a passage section for the fluid greater than a passage section for the fluid defined by the third zone (3b'”).
  • the shutter (40) is movable within the seat (3b) between the first and the second operating positions, and vice versa, in order to allow or prevent the fluid communication between the channel (3) and said first and second accesses (8, 10).
  • the first zone (3b') has a passage section for the fluid greater than an external size of the first section (40a) of the shutter (40).
  • the second zone (3b”) has a fluid passage section substantially identical to an external size of the first section (40a) of the shutter (40).
  • the third zone (3b'”) has a fluid passage section substantially identical to an external size of the second section (40b) of the shutter (40).
  • the shutter (40), in the first operating position has the first section (40a) facing the first zone (3b') of the seat (3b) of the channel (3), said first section (40a) and said first zone (3b') defining a peripheral passage for the fluid in fluid communication with the first access (8), optionally in fluid communication with a peripheral passage defined by the intermediate section (40c) of the shutter and the second zone (3b”) of the seat (3b).
  • the shutter (40), in the first operating position has the second section (40b) facing the second zone (3b”) of the seat (3b) of the channel (3), said second section (40b) and said second zone (3b”) defining a peripheral passage adapted to allow the fluid communication between the second access (10) and the outlet (6).
  • the shutter (40), in the second operating position has the first section (40a) at least partly abutted against the second zone (3b”) of the seat (3b) of the channel (3) in order to prevent the fluid communication between the inlet (4) and the first access (8).
  • the shutter (40), in the second operating position has the second section (40b) at least partly abutted against the third zone (3b'”) of the seat (3b) of the channel (3) in order to prevent the fluid communication between the second access (10) and the outlet (6).
  • the intermediate section (40c) of the shutter (40), in the second operating position faces the second zone (3b”) of the seat (3b) of the channel (3) in order to define a peripheral passage adapted to place in fluid communication only the first and the second access (8, 10).
  • the first section (40a) comprises a sealing element (40a'), optionally a gasket, configured for cooperating with the second zone (3b”) of the seat (3b) of the channel (3) in order to prevent the fluid communication between inlet (4) and first access (8), in the second operating position of the shutter (40).
  • the second section (40b) of the shutter (40) comprises a respective sealing element (40b'), optionally a gasket, configured for cooperating with the third zone (3b'”) of the seat (3b) of the channel (3) in order to prevent the fluid communication between the second access (10) and the outlet (6).
  • the channel (3) has a circular section.
  • the passage section defined by the first zone (3b') of the seat (3b) is defined by a diameter (D1).
  • the passage section defined by the second zone (3b”) of the seat (3b) is defined by a respective diameter (D2).
  • the passage section defined by the third zone (3b'”) of the seat (3b) is defined by a respective diameter (D3).
  • the diameter (D1) of the first zone (3b') is greater than the diameter (D2) defined by the second zone (3b”). In one aspect according to the three preceding aspects, the diameter (D1) of the first zone (3b') is greater than the diameter (D3) defined by the third zone (3b'”). In one aspect according to the four preceding aspects, the diameter (D2) of the second zone (3b”) is greater than the diameter (D3) defined by the third zone (3b'”).
  • the first zone (3b') defines a passage section for the fluid smaller than a passage section for the fluid defined by the second zone (3b”). In one aspect according to any one of the preceding aspects, the first zone (3b') defines a passage section for the fluid smaller than a passage section for the fluid defined by the third zone (3b'”). In one aspect according to any one of the preceding aspects, the second zone (3b”) defines a passage section for the fluid smaller than a passage section for the fluid defined by the third zone (3b'”).
  • the first zone (3b') has a fluid passage section substantially identical to an external size of the first section (40a) of the shutter (40). In one aspect according to any one of the preceding aspects, the third zone (3b'”) has a fluid passage section greater than an external size of the second section (40b) of the shutter (40).
  • the shutter (40), in the first operating position has the first section (40a) facing the second zone (3b”) of the seat (3b) of the channel (3), said first section (40a) and said second zone (3b”) defining a peripheral passage for the fluid in fluid communication with the first access (8).
  • the shutter (40), in the first operating position has the second section (40b) facing the third zone (3b'”) of the seat (3b) of the channel (3), said second section (40b) and said third zone (3b'”) defining a peripheral passage adapted to allow the fluid communication between the second access (10) and the outlet (6).
  • the shutter (40), in the second operating position has the first section (40a) at least partly abutted against the first zone (3b') of the seat (3b) of the channel (3) in order to prevent the fluid communication between the inlet (4) and the first access (8).
  • the shutter (40), in the second operating position has the second section (40b) at least partly abutted against the second zone (3b”) of the seat (3b) of the channel (3) in order to prevent the fluid communication between the second access (10) and the outlet (6).
  • the first section (40a) comprises a sealing element (40a'), optionally a gasket, configured for cooperating with the first zone (3b') of the seat (3b) of the channel (3) in order to prevent the fluid communication between inlet (4) and first access (8), in the second operating position of the shutter (40).
  • the second section (40b) of the shutter (40) comprises a respective sealing element (40b'), optionally a gasket, configured for cooperating with the second zone (3b”) of the seat (3b) of the channel (3) in order to prevent the fluid communication between the second access (10) and the outlet (6).
  • the diameter (D1) of the first zone (3b') is smaller than the diameter (D2) defined by the second zone (3b”). In one aspect according to any one of the preceding aspects the diameter (D1) of the first zone (3b') is smaller than the diameter (D3) defined by the third zone (3b'”). In one aspect according to any one of the preceding aspects the diameter (D2) of the second zone (3b”) is smaller than the diameter (D3) defined by the third zone (3b'”).
  • the first access (8) is defined on the channel (3) and directly faces the compartment (21) of the container (20). In one aspect according to any one of the preceding aspects the first access is defined at the seat (3b) of the channel (3). In one aspect according to any one of the preceding aspects the first access (8) is defined on the second zone (3b”) of the seat (3b) of the channel (3). In one aspect according to any one of the preceding aspects, the first access (8) comprises a hole passing through the tubular body of the valve body (2).
  • the first access (8) defines a passage section for the fluid smaller than a fluid passage section defined by the inlet (4). In one aspect according to the preceding aspect the ratio between the passage section of the inlet (4) and the passage section of the first access (8) is greater than 2, optionally comprised between 3 and 12, optionally between 5 and 10.
  • the first access (8) optionally both in the first and in the second operating position of the shutter (40), faces the intermediate section (40c) of the shutter (40).
  • the second access (10) is defined on the channel (3) and directly faces the compartment (21) of the container (20). In one aspect according to any one of the preceding aspects the second access (10) is defined at the seat (3b) of the channel (3). In one aspect according to any one of the preceding aspects the second access (10) is defined on the second zone (3b”) of the seat (3b) of the channel (3). In one aspect according to any one of the preceding aspects the second access (10) comprises a hole passing through the tubular body of the valve body (2). In one aspect according to any one of the preceding aspects, the second access (10) defines a passage section for the fluid smaller than a fluid passage section defined by the outlet (6). In one aspect according to the preceding aspect the ratio between the passage section of the outlet (6) and the passage section of the second access (10) is greater than 2, optionally comprised between 3 and 12, optionally between 5 and 10.
  • the second access (10), in the first operating position of the shutter (40), faces the second section (40b) of the shutter (40). In one aspect according to any one of the preceding aspects the second access (10), in the second operating position of the shutter (40), faces the intermediate section (40c) of the shutter (40).
  • the second access (10) defines a passage section for the fluid substantially identical to a fluid passage section defined by the first access (8).
  • the device (1) comprises at least one maneuvering element (60) constrained to the shutter (40) and configured for moving the latter from the first to the second operating position, and vice versa.
  • the maneuvering element (60) comprises:
  • At least one pusher (62) configured for being connected to a constraint portion (44) of the shutter (40) in a manner such that the latter and said pusher (62) are integral in movement
  • the maneuvering element (60) is configured for rotating around an axis that is transverse, optionally orthogonal, to the extension direction (X) of the channel (3).
  • the pusher (62) is at least partly offset with respect to the rotation axis of the maneuvering element (60) to essentially define a cam configured in order to allow, during the rotation of the maneuvering element (60), the translation of the shutter along a direction substantially parallel to the extension direction (X) of the channel (3).
  • valve body (2) comprises a hollow auxiliary collar (12) configured for placing the channel (3) in fluid communication with the environment outside the valve body (2).
  • auxiliary collar (12) is interposed between the inlet (4) and the outlet (6) of the valve body (2).
  • the maneuvering element (60) is engaged with fluid seal within the auxiliary collar (12) of the valve body (2).
  • the maneuvering element (60) is placed at the seat (3b) of the channel (3).
  • the auxiliary collar (12) is placed at the seat (3b) of the channel (3).
  • the constraint portion (44) comprises a groove defined on an external peripheral portion of the shutter (40), said groove extended along a trajectory transverse, optionally orthogonal, to the extension direction (X) of the channel (3).
  • the pusher (62) is engaged via sliding within the groove of the shutter (40).
  • the groove defined by the constraint portion (44) is defined on the intermediate section (40c) of the shutter.
  • the container (20) has at least one respective access (22) placed in fluid communication with the first and the second access (8, 10) of the valve body (2).
  • the access (22) is directly in fluid communication with the first and second accesses (8, 10).
  • the access (22) of the container (20) is configured in order to allow the passage of fluid entering and/or exiting from the compartment (21).
  • the access (22) is configured for placing the first and second accesses (8, 10) in direct fluid communication with the compartment (21) of the container.
  • the first and the second access (8, 10) are both facing the at least one access (22) of the container (20).
  • the container (20) comprises only one access (22).
  • the compartment (21) of the container communicates with a further environment (e.g. with the first and second accesses 8, 10 of the valve body) only by means of said access (22) of the container.
  • the access (22) of the container (20) has a fluid passage section greater than a fluid passage section defined by the first access (8). In one aspect according to any one of the preceding aspects the access (22) of the container (20) has a fluid passage section greater than a fluid passage section defined by the second access (10). In one aspect according to any one of the preceding aspects the access (22) of the container (20) has a fluid passage section greater than a fluid passage section defined by the sum of the fluid passage sections of the first and second accesses (8, 10). In one aspect according to any one of the preceding aspects the access (22) has a fluid passage section which, seen along a direction of fluid introduction or outflow from the compartment (21) of the container, entirely contains the first and the second access (8, 10).
  • the access (22) of the container (20) has a fluid passage section greater than a fluid passage section defined by the inlet (4). In one aspect according to any one of the preceding aspects the access (22) of the container (20) has a fluid passage section greater than a fluid passage section defined by the outlet (6). In one aspect according to any one of the preceding aspects the access (22) of the container (20) has a fluid passage section greater than a fluid passage section defined by the sum of the fluid passage sections of the inlet and outlet of the valve body (2). In one aspect according to any one of the preceding aspects the container (20) and the valve body (2) are separate from each other and removably engaged. In one aspect according to any one of the preceding aspects the container (20) and the valve body (2) are engaged by means of a threaded coupling.
  • the container (20) is extended between a head portion and a bottom portion (20a, 20b) along a pre-established extension direction (Y).
  • said container (20) is engaged with the valve body (2) at the head portion (20a).
  • the access (22) of the container, seen along the pre-established extension direction of the container (Y) has a fluid passage section which entirely contains the first and the second access (8, 10).
  • the container (20) is engaged directly with the intermediate collar (80) of the valve body (2).
  • the container at the head portion (20a), comprises an engagement portion (20c) configured for being constrained to a respective engagement portion (80c) of the intermediate collar (80) of the valve body (2).
  • the engagement portion (80c) of the intermediate collar (80) comprises an external thread while the engagement portion (20c) of the container comprises an internal thread.
  • the access (22) of the container (20) is defined at the head portion (20a).
  • the container (20) has, in a section according to a plane orthogonal to the pre-established extension direction of the container (Y), a hollow circular shape.
  • extension direction (Y) of the container (20), in the condition of engagement between container (20) and valve body (2), is extended transversely, optionally orthogonally, to the extension direction (X) of the channel (3).
  • the intermediate collar (80) is engaged directly with the container (20) at the access (22) of the latter.
  • the intermediate collar (80) of the valve body (2) is configured in order to allow the fluid communication between the first and second accesses (8, 10) of the valve body (2) and the access (22) of the container (20).
  • the access (22) of the container (20) is configured for engagingly receiving the intermediate collar (80).
  • the container (20) comprises at least one duct (50) arranged in the compartment (21) of the container (20), in which the duct (50) is arranged at the second access (10) and is extended starting from the latter in direction of the bottom portion (20b) of the container (20), said duct (50) being configured for placing said second access (10) in direct fluid communication with the compartment (21) of the container (20).
  • the duct (50) is extended between a through bottom opening, arranged at the bottom portion (20b) of the container (20), and a through top opening (50a), arranged at the second access (10).
  • the through top opening (50a) directly faces the second access (10).
  • the through top opening (50a) defines a fluid passage section substantially identical to a fluid passage section of the second access (10).
  • the duct (50) is carried directly by the container (20), optionally the duct (50) is engaged directly with the bottom portion (20b) of the container (20) and is extended up to the second access (10).
  • the duct has an internal through channel (51) extended for the entire extension of the duct (50).
  • the container (20) is attained by means of molding or casting. In one aspect according to any one of the preceding aspects the container (20) is attained in plastic material. In one aspect according to any one of the preceding aspects the container (20) is attained in at least one of the following materials: ABS, PPS, PSU, PE, PTFE, PVC, PET.
  • auxiliary collar (12) is arranged on the side opposite the intermediate collar (80) of the valve body (2).
  • the inlet collar (2') comprises an engagement portion configured in order to allow the connection of the valve body (2) to a feed line (101) of a hydraulic plant (100).
  • the engagement portion of the inlet collar (2') comprises an internal thread.
  • the outlet collar (2”) comprises an engagement portion configured in order to allow the connection of the valve body (2) to a delivery line (102) of a hydraulic plant (100).
  • the engagement portion of the outlet collar (2”) comprises an internal thread.
  • auxiliary collar (12) comprises an engagement portion (11) configured in order to allow the engagement of the maneuvering element (60).
  • valve body (2) comprises two outlets (6). In one aspect according to any one of the preceding aspects the valve body (2) comprises two outlet collars (2”) each of which configured in order to define a respective outlet (6) of the valve body (2).
  • the two outlet collars (2”) are placed transverse to each other, optionally are arranged along directions perpendicular to each other.
  • the device (1) comprises at least one cap (75) configured for obstructing one of said outlets (6) in order to allow the outflow of the fluid flow from the valve body (2) from only one of said outlets (6).
  • the device (1) is configured for containing, in the compartment (21), a pre-established quantity of at least one product (P) configured for releasing a pre- established percentage of a composition within the fluid when the latter is present within the compartment (21).
  • the composition released by the product (P) comprises at least one from between: sodium polyphosphates, potassium polyphosphates.
  • said at least one product (P) comprises a solid compound.
  • the solid compound can have sphere, crystal or granular form.
  • the solid compound has sphere form, in which each sphere, before a condition of first entrance of the fluid within the container, has a diameter greater than 4 mm, still more optionally comprised between 5 and 30 mm.
  • the solid compound has granular form, in which each granule has a pre-established volume, in which each granule has, before a condition of first entrance of the fluid within the container, a representative size greater than 4 mm, optionally comprised between 5 and 30 mm; in which said representative size is defined for each granule as the diameter of an ideal sphere having volume equal to the granule.
  • a main part of the granules of the solid compound optionally at least 70% of the granules of the solid compound, has a representative size greater than 4 mm, optionally comprised between 5 and 30 mm.
  • the solid compound has crystal form, in which each crystal has a pre-established volume, in which each crystal has, before a condition of first entrance of the fluid within the container, a representative size greater than 4 mm, optionally comprised between 5 and 30 mm; in which said representative size is defined for each crystal as the diameter of an ideal sphere having volume equal to the crystal.
  • a main part of the crystals of the solid compound optionally at least 70% of the crystals of the solid compound, has a representative size greater than 4 mm, optionally comprised between 5 and 30 mm.
  • the device (1) comprises said pre-established quantity of at least one product (P) configured for releasing a pre-established percentage of a composition within the fluid when the latter is present within the compartment (21).
  • the device (1) comprises a level indicator (25) engaged at least in part within the compartment (21) of the container (20).
  • the level indicator (25) is at least partly engaged, on one side, within the intermediate collar (80) of the valve body and, on an opposite side, within the compartment (21) of the container (20).
  • the level indicator (25) comprises at least one separator (26) engaged within the compartment and configured for dividing said compartment into a first and a second half-chamber (27', 27”), in which the first half-chamber (27') is directed towards the valve body and communicates directly with the first and second accesses (8, 10), the second half-chamber (27”) is configured for containing a pre-established quantity of at least one product (P) configured for releasing a pre-established percentage of a composition within the fluid when the latter is present within the compartment (21).
  • the separator (26) is movable within the container (20) along the pre-established extension direction of the latter.
  • the first and the second half-chamber (27', 27”) have variable volume as a function of the position taken on by the separator (26).
  • the level indicator (25) comprises a thrust element (28) interposed between the separator (26) and the valve body (2).
  • the thrust element (28) is configured for pushing the separator (26) within the compartment (21).
  • the thrust element (28) is configured for maintaining the separator (26) in contact with the pre-established quantity of product (P) arranged within the second half chamber (27”).
  • the thrust element (28) comprises a spring.
  • the separator (26) comprises at least one through opening configured for placing in fluid communication the first and the second half-chamber (27', 27”). In one aspect according to any one of the preceding aspects the at least one opening defined on the separator (26) is configured in order to allow the fluid entering from the first access (8) to reach the pre-established quantity of product (P) arranged in the second half-chamber (27”).
  • the separator (26) comprises at least one first and at least one second through opening (26', 26”), both configured for placing in fluid communication the first and the second half-chamber (27', 27”).
  • the second through opening (26”) is configured in order to allow the passage of the duct (50).
  • the position of the separator (26) within the compartment (21) is configured for signaling the quantity of product (P) present within the compartment (21).
  • the container (20) is attained at least partly in transparent material in order to allow viewing at least part of the compartment (21) from the outside, optionally it allows viewing the position of the separator (26) of the level indicator (25).
  • the device (1) comprises at least one filter (70) arranged in the channel (3) in interposition between the inlet (4) and the outlet (6).
  • the filter (70) is interposed between the shutter (40) and the outlet (6).
  • the filter comprises a hollow cylinder, optionally a metallic mesh.
  • the filter (70) is configured for intercepting the fluid flow crossing the channel for allowing the filtration thereof. In one aspect according to any one of the preceding aspects the filter (70) is interposed between the second access (10) and the outlet (6).
  • the filter is extended along a pre-established direction transverse, optionally orthogonal, to an extension direction of the outlet collar (2”) defining the outlet (6) of the valve body (2).
  • a process for attaining a device (1) in accordance with any one of the preceding aspects.
  • the process comprises the steps of:
  • valve body (2) - arranging the valve body (2), - engaging the shutter (40) in the seat (3b) of the valve body (2),
  • step of engaging the shutter (40) comprises the sub-steps of:
  • the engagement of the maneuvering element (60) with the shutter (40) provides for the engagement of the pusher (62) of said maneuvering element (60) with the groove of the constraint portion (44) of the shutter (40).
  • valve body (2) is attained by means of at least one selected from the group among the following processes: die casting, molding, processing for chip removal. In one aspect according to any one of the preceding process aspects the valve body is made in a single piece. In one aspect according to any one of the preceding aspects the valve body (2) is attained in at least one of the following materials: plastic, metal. In one aspect according to any one of the preceding aspects the valve body (2) is attained in at least one of the following materials: cast iron, steel, alloy based on nickel, copper, titanium. In one aspect according to any one of the preceding process aspects, the container (20) is attained by means of molding or casting.
  • the container (20) is attained in plastic material. In one aspect according to any one of the preceding aspects the container (20) is attained in at least one of the following materials: ABS, PPS, PSU, PE, PTFE, PVC, PET.
  • a fluid treatment method is provided by means of a device (1) in accordance with any one of the preceding aspects.
  • said method comprises the steps of:
  • the device (1) comprises a pre-established quantity of at least one product (P) arranged in the compartment (21) of the container, in which during the passage of fluid from the container, the product (P) is configured for releasing a pre- established percentage of a composition within the fluid.
  • the composition released by the product (P) comprises at least one from between: sodium polyphosphates, potassium polyphosphates.
  • said at least one product (P) comprises a solid compound.
  • the solid compound is in sphere form, optionally having a diameter greater than 4 mm, still more optionally comprised between 5 mm and 30 mm.
  • the shutter (40) placed in the first operating position allows defining:
  • auxiliary fluid flow adapted to be introduced in the compartment (21) through the first access (8) and which, once the compartment within which the pre-established quantity of product (P) is present has been traversed, is configured for crossing the second access (10) in order to be reintroduced in the channel and be mixed with the main fluid flow.
  • the method provides for a bypass condition which provides for the movement of the shutter (40) from the first to the second operating position in order to prevent the fluid from entering into the compartment (21) of the container (20).
  • the shutter in the bypass condition the shutter prevents the fluid communication between the inlet (4) and the first access, optionally it prevents the fluid communication between the second access (10) and the outlet (6).
  • the fluid comprises water, optionally of a hydraulic plant, still more optionally of a hydro-sanitary plant.
  • the method is a method for metering polyphosphates, optionally sodium polyphosphates and/or potassium polyphosphates.
  • a hydraulic plant (100) comprising at least one device (1) in accordance with any one of the preceding aspects.
  • the plant (100) comprises:
  • the operating device (103) comprises at least one boiler.
  • a use of the device (1) is provided in accordance with any one of the preceding aspects on at least one from among: a hydro-sanitary plant, a heating plant, a climate-control plant.
  • the device (1) is employed for metering polyphosphates, optionally sodium polyphosphates and/or potassium polyphosphates. In one aspect according to the two preceding aspects the device (1) is used for metering polyphosphates within a plant which provides for the circulation or recirculation of water.
  • FIG. 1 is a perspective view of a device in accordance with the present invention.
  • FIGS. 2 and 3 are respective perspective views of a valve body of the device in accordance with the present invention.
  • FIG. 4 is a perspective view of a container of the device in accordance with the present invention, within which an indicator is housed;
  • FIG. 5 is a side view of a device in accordance with the present invention.
  • FIG. 6 is a sectional view, according to trace VI -VI, of the device of figure 5;
  • FIG. 7 and 8 are detailed views of the device in accordance with the present invention comprising a shutter arranged in a first operating position
  • FIG. 9 is a sectional view of the device in accordance with the present invention comprising a shutter arranged in a second operating position;
  • FIG. 12 is a sectional view of an embodiment variant of a device in accordance with the present invention.
  • FIG. 12A and 12B are detailed views of embodiment variants of the device in accordance with the present invention.
  • FIG. 13 and 14 are schematic views of a hydraulic plant comprising a device in accordance with the present invention.
  • upstream and downstream refer to an advancement direction of a fluid flow through the device 1 for treating fluid in accordance with the present invention or with respect to an advancement direction of a fluid flow within a hydraulic plant comprising said device 1.
  • the fluid can be a liquid, e.g. water of a water supply system.
  • product P it is intended a compound in solid form which can have granular form, powder form or sphere or crystal form.
  • the product P in its powder form is divided into particles whose diameter is smaller than approximately 100 micrometers.
  • the product in its granular form is divided into grains or granules whose size is greater than 4 mm, optionally comprised between 5 and 30 mm; in which said representative size is defined for each granule as the diameter of an ideal sphere having the same volume as the granule.
  • the same representative dimensions are maintained in the event in which the product is defined by a solid compound in crystal form.
  • the product when it has sphere form, has a diameter greater than approximately 5 mm, optionally comprised between 5 and 20 mm: the product with spherical form is not definable as product with granular or powder form due to the dimensions of the single sphere (greater than 5 mm).
  • the product P is arranged within a compartment 21 of a container 20 set for housing said product P; the container 20 is configured for receiving the fluid, optionally water, in order to allow the product to release, within said fluid, a pre-established composition; within the container 20, a duct 50 can be housed that is configured in order to allow the outflow of the fluid present in the container after the same fluid has come into contact with said product P.
  • the product P is configured for releasing, in a fluid, a quantity of composition in a manner such that the same composition is, within the container 20 and in relation with the fluid, preferably greater than 1000 parts per million.
  • the product P is configured for releasing, in a fluid, a quantity of composition in a manner such that the same composition is, within the duct 50 arranged in the compartment 21 of the container 20 and in relation with the fluid, substantially greater than 1000 parts per million.
  • the product P is configured for releasing, in a fluid, a quantity of a composition in a manner such that the same composition is, in the mixed fluid exiting from the treatment device 1, preferably comprised between 3 and 7 parts per million.
  • composition it is intended a composition in liquid form comprising one or more liquid compounds, or one or more solid compounds dissolved or dispersed in a suitable liquid phase.
  • the compound(s) can have one or more of the following functions: anti-limescale, anti-oxidant.
  • the composition can comprise a solution comprising polyphosphates, optionally sodium polyphosphates and/or potassium polyphosphates.
  • Reference number 1 overall indicates a device for hydraulic plants, for example employable in hydro-sanitary plants, both for industrial and domestic use.
  • the device 1 is configured for receiving, in crossing, a fluid, in particular water, and treating it for example by executing a chemical conditioning of the fluid.
  • a type of chemical conditioning can for example provide for the release, in the fluid, of a composition, for example in a pre- established percentage; the composition can for example comprise sodium polyphosphates and/or potassium polyphosphates, useful for executing an anti-limescale and/or anti-corrosive treatment of the components of the plant on which the device 1 is installed.
  • the device 1 can be further used for executing different treatments, such as for example filtering.
  • the device 1 comprises a valve body 2 which comprises at least one inlet 4, at least one outlet 6, at least one first and one second access 8, 10, each of which configured in order to allow the passage of fluid (figures 2 and 3).
  • the valve body 2 comprises at least one channel 3 extended between the inlet 4 and the outlet 6 and configured in order to allow the transit of fluid through the valve body 2.
  • the inlet 4 and the outlet 6 are both configured in order to allow the passage of fluid, entering and exiting from the device 1.
  • Illustrated in figures 7 and 12B is a condition in which the fluid enters from the inlet before then exiting from the outlet 6; in detail, figures 7 and 12B shows a first use condition of the device 1 in which the fluid enters into the valve body 2 through the inlet 4, travels at least part of the channel 3 before then exiting from the valve body 2 by means of said outlet 6.
  • the outlet can act essentially as inlet for the fluid while the inlet can be configured in order to allow the outflow of the fluid from the device 1;
  • figure 12A shows a second use condition of the device 1 in which the fluid enters into the valve body 2 through the outlet 6, travels at least part of the channel 3 before then exiting from the valve body by means of said inlet 4.
  • the inlet 4 and the outlet 6 can face each other, as is for example illustrated in figure 6; in such configuration the channel 3 has a rectilinear shape. Alternatively, inlet 4 and outlet 6 can also not be facing, such as for example is illustrated in figure 12; in such configuration the channel 3 can take on a substantially "L” shape.
  • the inlet 4 and the outlet 6 have, in a non-limiting manner, a fluid passage section having circular shape. Such passage sections can be substantially identical in size and/or shape. Illustrated in the enclosed figures is a device 1 in which the inlet 4 and the outlet 6 have, in a non-limiting manner, a same circular shape and an identical passage section. Nevertheless, the ratio between the fluid passage section of the inlet 4 and the fluid passage section of the outlet 6 can vary between 0.8 and 1.2.
  • valve body 2 comprises a hollow tubular body extended between a first and a second end portion 2a, 2b and defining at least one section of the channel 3, optionally the entire channel 3 of the valve body 2.
  • the tubular body has, at the first end portion 2a, a hollow inlet collar 2' which defines said inlet 4; the inlet collar 2' substantially defines a part of the channel 3 which departs from the inlet 4 in the direction of the outlet 6.
  • the inlet 4 is defined on an initial portion of the inlet collar 2'.
  • the inlet collar 2' is integrally joined to the tubular body; nevertheless it is possible to attain an inlet collar 2' removably engaged by the tubular body, for example by means of a threaded coupling.
  • the inlet collar 2' is extended along a direction rectilinear which essentially coincides with at least one section of an extension trajectory of the channel 3.
  • On the inlet collar 2' there is also an engagement portion configured in order to allow the connection of the valve body 2 to a feed line 101 of a hydraulic plant 100, for example a line of of connection to a water supply system (e.g. a duct configured for bringing water coming from the water supply system).
  • the engagement portion of the inlet collar 2' can comprise, as schematized, in the enclosed figures an internal thread.
  • the inlet collar 2' represents the projection of the valve body 2 adapted to receive, in attachment, the feed line 101 of a hydraulic plant 100.
  • the tubular body 2, at the second end portion 2b, comprises at least one hollow outlet collar 2” it too emerging from the tubular body along a respective direction rectilinear.
  • the extension direction of the outlet collar 2” can be parallel to the direction of the inlet collar 2' or, as for example illustrated in figure 12, it can be transverse (optionally orthogonal) to the extension direction of the inlet collar 2'.
  • the device can use the plurality of outlet collars 2” and hence the plurality of outlets 6 for serving a plurality of users; alternatively, the device 1 can comprise a cap 75 configured for obstructing one of said outlets 6 in order to allow the outflow of the fluid flow from the valve body 2 from only one of said outlets 6.
  • the cap 75 obstructs the outlet collar 2” placed transverse to the inlet collar 2' in a manner such that the fluid entering the channel 3 can exit from the outlet 6 facing the inlet; in figure 12, a device is instead illustrated in which the cap 75 obstructs the collar 2” placed parallel to the inlet collar 2', i.e. it obstructs the outlet 6 facing the inlet; in such condition, the fluid entering the channel 3 through the inlet 4 is guided towards the outlet 6 placed transverse to the inlet: the fluid is deflected along a substantially "L” shaped path.
  • the configuration of the channel 3 can be selected as a function of the position of the feed 101 and delivery 102 lines of the plant 100. As will be better described hereinbelow, such configuration can be selected as a function of the presence or lack of presence of further components of the device 1 placed in the channel 3.
  • the outlet collar 2 substantially defines a terminal part of the channel 3 which is extended starting from the outlet 6 in direction of the inlet 4.
  • a respective engagement portion is present that is configured in order to allow the connection of the device 1 to a delivery line 102 of a hydraulic plant 100, for example a line of connection between a boiler and the outlet 6 of the device 1.
  • the engagement portion of the outlet collar 2” can comprise, as illustrated in the enclosed figures, an internal thread.
  • the outlet collar 2” represents the projection of the valve body 2 adapted to receive, in attachment, the delivery line 102 of a hydraulic plant.
  • the tubular body 2 essentially comprises a central body from which the following emerge: on one side, the inlet collar 2' and, from an opposite side, the at least one outlet collar 2” (optionally two outlet collars 2”): the inlet collar 2' and the outlet collar 2” are integrally joined with each other, optionally via interposition of a central body of the tubular body of the valve body 2.
  • the channel 3 of the valve body 2 is extended between the inlet 4 and the outlet 6, at least for a section, along a pre-established direction X, that is optionally rectilinear.
  • the channel 3 is extended entirely along the rectilinear direction X.
  • Illustrated in figure 12 is instead a channel that is extended between the inlet 4 and the outlet 6, at least for a main section of the channel 3, along said pre-established rectilinear direction X.
  • said channel 3 is mainly defined essentially by a main part from the tubular body which has a rectilinear structure.
  • the rectilinear portion of the channel 3 (direction X) is defined at least by the inlet collar 2' and by the central body of the tubular body of the valve body 2.
  • the valve body 2 also comprises a hollow intermediate collar 80 integrally joined to the tubular body of the valve body 2 and emerging from the latter along a direction transverse, optionally orthogonal, to the main extension direction X of the channel 3; the intermediate collar 80 is placed orthogonal to the inlet collar 2'.
  • Figure 6 illustrates a valve body 2 in which the outlet collar 2” is placed orthogonal to the intermediate collar 80 (in such configuration the inlet collar 2', the outlet collar 2” and the intermediate collar 80 are arranged substantially a "T”) while in figure 12 a valve body 2 is illustrated in which said intermediate collar 80 is opposite the outlet collar 2” but in which these collars are extended along directions that are substantially parallel to each other.
  • the intermediate collar 80 is integrally joined to the tubular body, optionally in a direct manner to the central body of the tubular body: the intermediate collar 80 emerges from the tubular body at a section interposed between the inlet collar 2' and the outlet collar 2” of the valve body 2.
  • the intermediate collar 80 is extended from the tubular body starting from a zone in which the first and the second access 8, 10 are placed next to each other.
  • the first and the second access 8, 10 are defined entirely within a passage section of the intermediate collar 80.
  • the device comprises a container 20 engaged with the valve body 2 and defining at least one compartment 21 in fluid communication with the first and second accesses 8, 10.
  • the intermediate collar 80 comprises an engagement portion 80c configured for being constrained to a respective engagement portion 20c of the container 20.
  • the engagement portion 80c of the intermediate collar 80 can comprise an external thread while the engagement portion 20c of the container 20 can comprise an internal thread.
  • the tubular body, the outlet collar 2', the outlet collar 2” and the intermediate collar 80 are joined in a single piece. Nevertheless, it is possible to make the valve body in two (or more) half-parts removably joined by means of threaded or bayonet couplings.
  • the channel 3 has at its interior at least one seat 3b adapted to engage a shutter 40, which will be better described hereinbelow.
  • the seat 3b comprises a first, a second and a third zone 3b', 3b”, 3b'” which are sequentially arranged along the extension direction X of the channel 3: the second zone 3b” is interposed between the first and the third zone 3b', 3b'”.
  • the first zone 3b' defines a passage section for the fluid greater than a passage section for the fluid defined by the second zone 3b”; the first zone 3b' defines a passage section for the fluid greater than a passage section for the fluid defined by the third zone 3b'”.
  • the second zone 3b” defines a passage section for the fluid greater than a passage section for the fluid defined by the third zone 3b'”.
  • the seat 3b is defined by 3 zones whose passage section decreases starting from the first zone 3b' up to reaching the third zone 3b'”.
  • the seat 3b has a shoulder structure having decreasing dimensions; the first zone 3b' has greater passage section, while the third zone 3b'” has a passage section smaller than the second zone 3b” which has an intermediate passage section comprised between the first and the third zone 3b', 3b'”.
  • the channel 3 has a substantially circular shape; schematized in figure 7 are the diameters of the three abovementioned sections.
  • the diameters D1, D2 and D3 are respectively inserted which, as is visible, are one smaller than the next in the abovementioned sequence.
  • Figure 12B instead illustrates a second possible configuration of the device 1 in which the passage section of the seat increases starting from the first zone 3b' up to reaching the third zone 3b'”.
  • the seat 3b has a shoulder structure having increasing dimensions; the first zone 3b' has smaller passage section, while the third zone 3b'” has a larger passage section with the second zone 3b” which has an intermediate passage section comprised between the first and the third zone 3b', 3b'”.
  • the seat 3b of the channel 3 can be arranged substantially at the inlet 4, in particular immediately following the inlet collar 2' (see for example figure 6).
  • the seat 3b could be defined in a middle zone of the channel or at the outlet collar 2” (figure 12A).
  • the valve body 2 comprises the first and the second access 8, 10.
  • the first access 8 is defined at the seat 3b of the channel 3; in detail, the first access 8 is defined on the second zone 3b” of the seat 3b of the channel 3.
  • the first access 8 comprises, in a non-limiting manner, a hole passing through the tubular body of the valve body 2 having a passage section for the fluid smaller than a fluid passage section defined by the the inlet 4; in detail, the ratio between the passage section of the inlet 4 and the passage section of the first access 8 is greater than 2, optionally comprised between 3 and 12, optionally between 5 and 10.
  • the second access 10 is also defined at the seat 3b of the channel 3, on the side of the first access 8; in fact, the second access 10 is spaced from the first access along a direction parallel to the main extension direction X of the channel 3. Visible in figure 3 is the position of the first and second accesses 8, 10 on the valve body 2; the first access 8 is arranged in proximity to the inlet collar 2' and interposed between inlet and second access 10. The second access is moved closer towards the outlet with respect to the first access 8: the second access 10 is interposed between first access 8 and outlet 6.
  • the second access 10 is defined on the second zone 3b” of the seat 3b of the channel 3 and comprises a hole passing through the tubular body of the valve body 2.
  • the second access 10 defines a passage section for the fluid smaller than a fluid passage section defined by the outlet 6; in detail, the ratio between the passage section of the outlet 6 and the passage section of the second access 10 is greater than 2, optionally comprised between 3 and 12, optionally between 5 and 10.
  • first and second accesses 8, 10 define passage sections substantially identical with each other.
  • the first and second accesses are configured for placing the channel 3 in communication with the container 20 placed coupled to the intermediate collar 80 such to respectively allow the introduction and the expulsion of fluid from said container 20.
  • the valve body 2 can be at least partly made of metallic material, for example it can be made by using at least one selected from the group of the following metallic materials: steel, brass, bronze, copper and alloys thereof, aluminum and alloys thereof.
  • the valve body 2 can also or alternatively be made of plastic material, at least partly (or entirely); for example, it can be made by using at least one selected from the group of the following materials: ABS, PPS, PSU, PE, PTFE, PVC, PET.
  • the valve body 2 can be made by employing both metallic material and plastic material as listed above.
  • a shutter 40 is housed that is configured for intercepting the fluid passing from said first channel 3.
  • said shutter 40 is housed in the seat 3b in interposition between inlet 4 and outlet 6 (see figures 6, 9, 11 and 12).
  • the device 1 comprises a shutter 40 housed in the channel 3 of the valve body 2.
  • the shutter 40 is movable within the channel 3 at least between a first and a second operating position; in the first operating position, the shutter 40 is configured in order to allow the fluid communication between the inlet 4 and the outlet 6: the shutter 40, in the first operating position, is also configured in order to allow the fluid communication between the channel 3 and said first and second accesses 8, 10 so as to allow the fluid communication between said channel 3 and the compartment 21 of the container 20.
  • the shutter 40 in the second operating position, is configured in order to prevent the fluid communication between said first and second accesses 8, 10 and the channel 3; the shutter 40, in the second operating position, is configured in order to only allow the fluid communication between the inlet 4 and the outlet 6 of the valve body.
  • the shutter 40 in the second operating position:
  • the shutter 40 is movable via translation within the channel 3 between the first and the second operating positions, and vice versa: the shutter 40 is movable via translation along a direction substantially parallel to the extension direction X (main direction) of the channel 3.
  • the movement of the shutter 40 is imparted by means of a maneuvering element 60: the maneuvering element 60 is constrained to the shutter 40 and configured for moving the latter from the first to the second operating position, and vice versa.
  • the shutter 40 comprises a constraint portion 44 defined at an external peripheral portion of the shutter 40.
  • the constraint portion 44 is configured for engagingly receiving said maneuvering element 60 which is configured in order to allow a user to move the shutter 40 from the first to the second operating position and vice versa.
  • the maneuvering element 60 comprises:
  • At least one pusher 62 configured for being connected to a constraint portion 44 of the shutter 40 in a manner such that the latter and said pusher 62 are integral in movement
  • the maneuvering element 60 is configured for rotating around an axis that is transverse, optionally orthogonal, to the extension direction X (main direction) of the channel 3; the pusher 62 is at least partly offset with respect to the rotation axis of the maneuvering element 60 to essentially define a cam configured in order to allow, during the rotation of the maneuvering element 60, the translation of the shutter 40 along a direction substantially parallel to the extension direction X of the channel 3.
  • the constraint portion 44 of the shutter 40 comprises a groove defined on an external peripheral portion of the shutter 40 itself; the groove is extended along a trajectory transverse, optionally orthogonal, to the extension direction X of the channel 3: the pusher 62 is engaged via sliding within the groove of the shutter 40 in order to allow the translation of the shutter between the first and the second operating position, and vice versa.
  • the valve body 2 comprises a hollow auxiliary collar 12 configured for placing the channel 3 in fluid communication with the environment outside the valve body 2; the auxiliary collar 12 is interposed between the inlet 4 and the outlet 6 of the valve body 2, in particular placed adjacent to the inlet collar 2'.
  • the maneuvering element 60 is engaged with fluid seal within said auxiliary collar 12 and movable via rotation within the latter.
  • the auxiliary collar 12 is placed at the seat 3b of the channel 3 optionally substantially opposite the intermediate collar 80.
  • the shutter 40 comprises a first through opening 41 and a second through opening 42 in fluid communication with each other by means of a central cavity 47 of the shutter 40.
  • the first and the second through opening 41, 42 face each other; the first through opening 41, in any one operating position of the shutter 40, faces the inlet 4 (see for example figures 12 and 12A).
  • the second through opening 42 in any one operating position of the shutter 40, faces said outlet 6.
  • the first and the second through opening 41, 42, in the first and second operating positions of the shutter 40, are in fluid communication with the inlet 4 and the outlet 6 of the valve body 2.
  • first and the second through opening 41, 42 are aligned along a direction, optionally rectilinear; such direction is parallel to the main extension direction X of the channel 3.
  • the shutter 40 is therefore movable via translation between the first and the second operating position, and vice versa, along a trajectory substantially parallel to the alignment direction of said first and second through opening 41, 42.
  • the shutter 40 during the movement of the same between the first and the second operating position, is configured for being moved towards the outlet 6; the shutter 40, during the movement of the same between the second and the first operating position, is configured for being moved towards the inlet 4.
  • the first through opening 41 has, in a non-limiting manner, a circular shape; the first through opening 41 defines a passage section smaller than the passage section defined by the inlet 4.
  • the second through opening 42 also has, in a non-limiting manner, a circular shape whose passage section is smaller than the passage section of the inlet 4.
  • the second through opening 42 defines a fluid passage section equal to or smaller than a fluid passage section of the first through opening 41 .
  • the shutter has a substantially tubular shape and defines at its interior a channel for the passage of fluid, which can have a fluid passage section that is constant or, as shown in a non-limiting manner in the enclosed figures, have a passage section that is variable along at least one part of the passage channel defined by the shutter itself.
  • the passage section of the shutter 40 is at least partly variable from the first to the second through opening 41, 42.
  • the passage section of the shutter 40 for at least one section defined between the first through opening 41 and a middle zone of the shutter 40 defined between the first and the second through opening 41, 42, has a decreasing progression starting from said first through opening 41;
  • the passage section of the shutter 40 for at least one section defined between the second through opening 42 and a middle zone of the shutter 40 defined between the first and the second through opening 41 , 42, has a decreasing progression starting from said second through opening 42.
  • the shutter 40 is substantially at least partly counter-shaped with respect to the channel 3 of the valve body 2.
  • the shutter 40 has:
  • the first section 40a, the intermediate section 40c and the second section 40b are arranged one adjacent to the other along the alignment direction from the first and second through opening 41 , 42 of the shutter 40 itself.
  • the first section 40a can have a pre-established external size substantially identical to or greater than a pre- established external size of the second section 40b; at least one part of the intermediate section 40c of the shutter 40 instead has a pre-established external size smaller than an external size of the first and/or of the second section 40a, 40b of the same shutter 40.
  • the first section 40a of the shutter 40 can have a pre-established external size substantially identical or smaller than a pre-established external size of the second section 40b (see figure 12B).
  • the intermediate section 40c of the shutter 40 at least in the first operating position of the shutter 40 faces the first access 8: in particular, the intermediate section 40c, both in the first and in the second operating position of the shutter 40, faces the first access 8.
  • the second section 40b of the shutter 40 at least in the first operating position of the shutter 40, substantially faces the second access 10; at least one part of the intermediate section 40c, in the second operating position of the shutter 40, at least partly faces the second access 10.
  • the intermediate section 40c defines a peripheral section adapted to cooperate with the channel 3 in order to allow the passage of fluid and adapted to place in communication the inlet 4 with the first access 8, in the first operating position of the shutter 40.
  • the intermediate section 40c has, at least for one section, a reduction of diameter/bulk which allows defining a peripheral duct around the shutter 40 in fluid communication with the first and second accesses 8, 10; therefore, when the shutter 40 is placed in the first operating position, the fluid entering the channel 3 can reach said peripheral duct in order to reach and enter into the first through access 8.
  • the first and second accesses 8, 10 are both placed at the seat 3b of the channel 3: as a function of the position of the shutter 40 engaged within said seat 3b, the shutter is configured in order to allow the fluid communication between said accesses 8, 10 and at least between the inlet 4 and the outlet 6.
  • the shutter 40 at least partly counter-shaped with respect to the seat 3b, is movable within the latter between the first and the second operating positions, and vice versa, in order to allow or prevent the fluid communication between the channel 3 and said first and second accesses 8, 10.
  • the first zone 3b' has a passage section for the fluid greater than an external size of the first section 40a of the shutter 40;
  • the second zone 3b has for at least one section a passage section for fluid greater than an external size of the intermediate section 40c of the shutter 40.
  • the second zone 3b has a fluid passage section substantially identical to an external size of the first section 40a of the shutter 40
  • the third zone 3b' has a fluid passage section substantially identical to an external size of the second section 40b of the shutter 40.
  • the first section 40a and said first zone 3b' define (due to the difference between the passage sections) a peripheral passage for the fluid.
  • Such peripheral passage is in fluid communication with a peripheral passage defined by the intermediate section 40c of the shutter and the second zone 3b” of the seat 3b which is in direct fluid communication with the first access 8; in fact, in the first operating position of the shutter 40, the fluid can filter outside the first section 40a of the shutter in order to reach a peripheral passage placed around the intermediate section 40c in order to be introduced into the first access 8.
  • the shutter 40 has the second section 40b facing the second zone 3b” of the seat 3b of the channel 3: said second section 40b and said second zone 3b” define (due to the difference between the passage sections) a peripheral passage adapted to allow the fluid communication between the second access 10 and the outlet 6; in this manner, the fluid exiting from the container 20 through the second access 10 can be reintroduced into the channel 3 and reach the outlet 6 together with the fluid passing directly through the central cavity 47 of the shutter itself.
  • the shutter 40 when the shutter 40 is in the second operating position, the shutter 40 itself has the first section 40a at least partly abutted against the second zone 3b” of the seat 3b of the channel 3 in order to prevent the fluid communication between the inlet 4 and the first access 8; still in the second operating position, the shutter 40 has the second section 40b at least partly abutted against the third zone 3b'” of the seat 3b in order to prevent the fluid communication between the second access 10 and the outlet 6.
  • the intermediate section 40c of the shutter 40 in the second operating position, faces the second zone 3b” of the seat 3b of the channel 3 in order to define a peripheral passage adapted to place only the first and the second access 8, 10 in fluid communication; in the second operating position only the first and second accesses are in fluid communication with each other: said accesses 8, 10 nevertheless are not in fluid communication with the inlet 4 and with the outlet 6.
  • the first section 40a of the shutter can comprise a sealing element 40a', optionally a gasket, configured for cooperating with the second zone 3b” of the seat 3b in order to prevent the fluid communication between inlet 4 and first access 8, in the second operating position of the shutter 40.
  • the second section 40b of the shutter 40 can comprise a respective sealing element 40b', optionally a gasket, configured for cooperating with the third zone 3b'” of the seat 3b of the channel 3 in order to prevent the fluid communication between the second access 10 and the outlet 6.
  • the constraint portion 44 (optionally the groove) of the shutter 40 is defined on the intermediate section 40c, in particular in interposition between the sealing elements 40a' and 40b' of the shutter.
  • the zones 3b', 3b” and 3b'” of the seat 3b have increasing passage sections; in such configuration, the first section 40a of the shutter 40 has an external section substantially identical to the first zone 3b' while the second section 40b has an external section substantially identical to the second zone 3b”.
  • the second and third zone 3b”, 3b'” respectively has a passage section greater than the external section of the first and second sections 40a, 40b of the shutter 40 (figure 12B).
  • the shutter 40 when arranged in the first operating position, has the first and the second section 40a, 40b respectively arranged at (facing) the second and third zones 3b” and 3b'” of the seat 3b; the shutter 40, when arranged in the second operating position, has the first and the second section 40a, 40b respectively arranged at (facing) the first and second zones 3b' and 3b” of the seat 3b in order to prevent a passage of fluid peripherally with respect to the shutter 40.
  • the shutter 40 can be at least partly made of metallic material, for example it can be made by using at least one selected from the group of the following metallic materials: steel, brass, bronze, copper and alloys thereof, aluminum and alloys thereof.
  • the shutter 40 (except for the sealing elements) can also be at least partly (or entirely) made of plastic material; for example, it can be made by using at least one selected from the group of the following materials: ABS, PPS, PSU, PE, PTFE, PVC, PET.
  • the shutter 40 can be made by employing both metallic material and plastic material as listed above.
  • the device 1 comprises a container 20 engaged with the valve body 2 and defining at least one compartment 21 in fluid communication with the first and second accesses 8, 10.
  • the container 20 can have a hollow tubular structure, with circular section, which defines at its interior a compartment 21, configured for housing a pre-established quantity of product P configured for releasing a pre- established percentage of a composition within the fluid when the latter is present within the compartment 21; for example, the composition released by the product P can comprise at least one from among: sodium polyphosphates, potassium polyphosphates.
  • said product P comprises a solid compound in sphere form, optionally in which each sphere has a diameter greater than 4 mm, still more optionally comprised between 5 and 30 mm.
  • the container 20 is extended between a head portion 20a and a bottom portion 20b along an extension direction Y which is, in condition of engagement between valve body 2 and container 20, transverse, optionally orthogonal, to the extension direction X of the channel 3.
  • the container 20 is engaged directly with the valve body 2 at the head portion 20a by means of the engagement portion 20c, configured for being constrained to the engagement portion 80c of the intermediate collar 80 of the same valve body 2.
  • the container 20 and the valve body 2 are separate from each other and removably engaged by means of a threaded coupling. Nevertheless, there is the possibility to removably engage the container 20 and the valve body 2 with a different engagement system, e.g. a quick coupling, a bayonet engagement or another removable coupling system.
  • the container 20 has at least one respective access 22 defined at the head portion 20a and placed in fluid communication directly with the first and the second access 8, 10, of the valve body 2: the access 22 configured in order to allow the passage of fluid entering and/or exiting from the compartment 21; in fact, the first and the second access 8, 10 both face at the at least one access 22 of the container 20.
  • the access 22 of the container 20 is configured in order to allow the passage of fluid entering and/or exiting from the compartment 21 : the access 22 is configured for placing the first and second accesses 8, 10 in direct fluid communication with the compartment 21 of the container 20.
  • the access 22 has a fluid passage section greater than a respective fluid passage section of the first and second accesses 8, 10.
  • the fluid passage section of the access 22 is greater than the sum of the fluid passage sections of the first and second accesses 8, 10: the access 22 entirely contains the first and second accesses 8, 10 at its interior.
  • the access 22 of the container seen along the extension direction Y of the container, has a fluid passage section which entirely contains the first and the second access 8, 10.
  • the access 22 of the container 20 also has a fluid passage section greater than a fluid passage section defined by the inlet 4 and by a fluid passage section defined by the outlet 6; in particular, the access 22 of the container 20 has a fluid passage section greater than a fluid passage section defined by the sum of the fluid passage sections of the inlet and of the outlet of the valve body 2.
  • the container 20 comprises a single access 22 defined at the head portion 20a; the container 20 at the bottom portion 2b is closed and prevents the fluid from exiting out of the container if not through the access 22: the compartment 21 of the container communicates with a further environment (e.g. with the first and second accesses 8, 10 of the valve body) only by means of said access 22 of the container.
  • a further environment e.g. with the first and second accesses 8, 10 of the valve body
  • the container 20 is engaged with the valve body 2 by means of the intermediate collar 80.
  • the intermediate collar 80 is engaged directly with the container 20 at the access 22: the intermediate collar 80 is configured in order to allow the fluid communication between the first and second accesses 8, 10 of the valve body 2 and the access 22 of the container 20.
  • the container 20 can be made of plastic material, for example of at least one of the following materials: ABS, PPS, PSU, PE, PTFE, PVC, PET.
  • the container can be obtained by means of a process of molding or casting.
  • the container 20 comprises at least one duct 50 arranged in the compartment 21 of the container 20: the duct 50 is arranged at the second access 10 and is extended starting from the latter in direction of the bottom portion 20b of the container 20.
  • the duct 50 is extended between a through bottom opening, arranged at the bottom portion 20b of the container 20, and a through top opening 50a (see for example figures 7, 8 and 10), arranged at the second access 10: the through top opening 50a is in particular directly facing the second access 10 in order to guide the fluid present (collected) in the compartment 21 directly within the second access 10.
  • the duct 50 has an internal through channel 51 extended for the entire extension of the duct 50 which allows picking up the fluid at the bottom portion of the container 20 and guiding it through the second access 10.
  • the duct 50 is carried directly by the container 20, optionally the duct 50 is engaged directly with the bottom portion 20b of the container 20 and is extended up to the second access 10.
  • the through top opening 50a defines a fluid passage section substantially identical to a fluid passage section of the second access 10; in this manner, the fluid flow that is generated within the internal channel 51 of the duct can exit from the latter and be introduced into the second access 10 without generating undesired turbulency.
  • the container 20 is configured for containing a pre-established quantity of a product P.
  • the device 1 can thus comprise a level indicator 25 engaged at least in part within the compartment 21 of the container 20 and configured for providing an indication of the quantity of product P present in the compartment 21 .
  • the level indicator 25 can in particular be at least partly engaged, on one side, within the intermediate collar 80 of the valve body 2 and, on an opposite side, within the compartment 21 of the container 20.
  • the level indicator 25 can comprise at least one separator 26 (figure 4) engaged within the compartment 21 (figure 12) and configured for dividing said compartment into a first and a second half-chamber 27', 27” (figure 12): the first half-chamber 27' is directed towards the valve body 2 and communicates directly with the first and second accesses 8, 10 while the second half-chamber 27” is configured for containing the pre-established quantity of at least one product P.
  • the separator 26 is movable within the container 20 along the pre-established extension direction Y of the latter so as to be able to identify a variation of volume between the first and the second half-chamber 27', 27”.
  • the level indicator 25 comprises a thrust element 28, e.g. a spring, interposed between the separator 26 and the valve body 2: the thrust element 28 is configured for pushing the separator 26 within the compartment 21 in order to maintain, the separator 26 essentially in contact with the pre-established quantity of product P arranged within the second half-chamber 27”.
  • a thrust element 28 e.g. a spring
  • the separator can be connected to a signaler (not visible) configured for representing, outside the device, the position of the separator 26 and hence the quantity of product P present in the compartment 21 .
  • a signaler not visible
  • the user without having the dismount the container, can define the quantity of product still present in the compartment 21 .
  • at least one part of the container 20 can be made of transparent material in order to allow the user to be able to view the position of the separator 26 and verify the presence of product P.
  • the separator 26 comprises at least one through opening configured for placing the first and the second half chamber 27', 27” in fluid communication; in particular, the at least one opening defined on the separator 26 is configured in order to allow the fluid entering from the first access 8 to reach the pre-established quantity of product P arranged in the second half-chamber 27”.
  • the separator 26 can comprise at least one first and at least one second through opening 26', 26”, both configured for placing the first and the second half-chamber 27', 27” in fluid communication: the second through opening 26” is also configured in order to allow the passage of the duct 50 (figure 11).
  • the device 1 can also comprise, in a non-limiting manner, at least one filter 70 arranged in the channel 3 in interposition between the inlet 4 and the outlet 6; in the enclosed figures, a configuration of the device 1 is illustrated in which the filter 70 is arranged, in a non-limiting manner, in interposition between the shutter 40 and the outlet 6.
  • the filter 70 can comprise a hollow cylinder, optionally a metallic mesh: the filter 70 is configured for intercepting the fluid flow crossing channel 3 in order to allow the filtration thereof.
  • the device 1 can also comprise the above-described product P that is configured for releasing the composition of polyphosphates into the fluid, optionally into the water flow circulating in the compartment 21 , for the chemical conditioning of the fluid.
  • the device 1 In the configuration in which the device 1 is configured for containing the product P adapted to release a composition of polyphosphates, such device 1 essentially defines a polyphosphate doser.
  • the device 1 can also comprise a vent duct 90 configured in order to allow the expulsion of gas from the device, optionally from the channel 3, that has undesirably accumulated within the device 1.
  • the vent duct 90 is integrally joined to the valve body 2 and is extended orthogonally with respect to the extension direction X of the channel 3 and orthogonally to the extension direction Y of the container 20.
  • Also forming the object of the present invention is a process for attaining a device 1 in accordance with one or more of the enclosed claims.
  • the process comprises a step of arranging the valve body 2 by means of at least one of the following processes: die casting, molding, processing for chip removal, casting.
  • the valve body 2 is made of a single piece and is attained in at least one of the following materials: plastic, metal.
  • the valve body 2 is attained in at least one of the following materials: cast iron, steel, alloy based on nickel, copper, titanium.
  • the process provides for the insertion of the shutter 40 in the channel 3 in order to allow the engagement within the seat 3b.
  • Such step provides for the insertion of the shutter 40 through the inlet 4 and the positioning of the same in the seat 3b at the auxiliary collar 12; then, the process provides for constraining the shutter 40 to the valve body 2 by means of inserting the maneuvering element 60 through the auxiliary collar 12 in a manner such to engage the pusher 62 of the maneuvering element 60 with the constraint portion 44 of the shutter 40.
  • the pusher 62 of the maneuvering element 60 is inserted within the peripheral groove of the shutter 40, within which said pusher 62 can slide in order to move the shutter 40 between the first and the second operating position, and vice versa.
  • the process also provides for a step of arranging the container 20, which can be made of plastic material by means of steps of casting or molding.
  • the container 20 can be attained by means of molding, for example in plastic material, optionally in at least one selected from the group of the following materials: ABS, PPS, PSU, PE, PTFE, PVC, PET.
  • the process can also provide for, before the step of engaging the container 20 with the valve body 2, a step of inserting a pre-established quantity of product P in the compartment 21; only after the insertion of the product P, the process can provide for the removable engagement of the container 20 with the valve body 2.
  • the process comprises, before the step of engaging the container 20 with the valve body 2, the engagement of said indicator 25 in the compartment 21 of the container 20. Only afterwards, the process provides for the removable engagement of the container 20 with the valve body in a manner such that it comprises said indicator 25.
  • the process provides for the engagement of the level indicator with the container only after housing the pre-established quantity of product P in the compartment 21 of the container 20.
  • Also forming the object of the present invention is a method for treating fluids by using a device 1 in accordance with one or more of the enclosed claims and/or in accordance with the above-reported description.
  • the method comprises a step of introducing a fluid, optionally water, through the inlet 4 and arranging the shutter 40 in the first operating position so as to allow the fluid introduced through the inlet 4 to enter into the compartment 21 of the container 20, passing through the first access 8 and consequently crossing the second access 10 in order to exit from the outlet 6.
  • a product P configured for releasing a pre-established percentage of a composition within the fluid;
  • the composition released by the product P can comprise at least one from among: sodium polyphosphates, potassium polyphosphates.
  • the product P can comprise a solid compound, optionally in the form of spheres having a diameter greater than 4 mm, still more optionally comprised between 5 mm and 30 mm.
  • the product P is configured for releasing said composition in a controlled manner so as to execute substantially a chemical conditioning of the fluid; the product is in particular configured for metering a composition comprising polyphosphates, optionally sodium polyphosphates and/or potassium polyphosphates, in the fluid (optionally in the water).
  • a pre-established quantity of fluid passes directly from the shutter 40 without passing from the compartment 21 of the container 20, i.e. proceeding from the inlet towards the outlet without passing through the container.
  • the shutter 40 placed in the first operating position allows defining:
  • an auxiliary fluid flow adapted to be introduced in the compartment 21 through the first access 8 and that, once the compartment within which the pre-established quantity of product P is present has been traversed, is configured for crossing the second access 10 in order to be reintroduced in the channel and mixed with the main fluid flow.
  • the method can provide for a bypass condition which provides for the movement of the shutter 40 from the first to the second operating position in order to prevent the fluid from entering into the compartment 21 of the container 20; in the bypass condition, the shutter 40 prevents the fluid communication between the inlet 4 and the first access, optionally prevents the fluid communication between the second access 10 and the outlet 6.
  • the bypass condition it is possible to remove the container 20 from the main body for the substitution/regeneration of the product P to be arranged in the compartment 21.
  • the outlet 6 is also configured in order to allow the entrance of the fluid into the valve body 2 while the inlet 4 is configured in order to allow the outflow of the fluid from the valve body 2. Therefore, the treatment method can alternatively provide for the introduction of the fluid into the channel 3 through the outlet 6 and the arrangement of the shutter 40 in the first operating position so as to allow the fluid introduced through the outlet 4 to enter into the compartment 21 of the container 20, for example passing through the first access 8, and consequently exiting from the inlet 4.
  • the compartment 21 there is a pre- established quantity of a product P configured for releasing a pre-established percentage of a composition within the fluid.
  • a pre-established quantity of fluid passes directly from the shutter 40 without passing from the compartment 21 of the container 20, i.e. proceeding from the outlet 6 towards the inlet 4 without passing through the container 20.
  • the shutter 40 placed in the first operating position allows defining:
  • a main fluid flow which crosses the channel 3 without passing through the compartment 21 of the container 20 optionally the main flow proceeds directly from the outlet 6, through the central cavity 47 of the shutter 40 before then exiting from the inlet 4, - an auxiliary fluid flow adapted to be introduced into the compartment 21 , for example through the first access 8, which, once it has crossed the compartment 21, is configured for exiting from the container (e.g. passing through the second access 10) in order to be reintroduced in the channel 3 and mixed with the main fluid flow.
  • a hydraulic plant 100 comprising at least one device 1 in accordance with one or more of the enclosed claims and/or in accordance with the above-reported description.
  • the plant 100 comprises at least one feed line 101 in connection with the inlet 4 of the device 1; the feed line 101 can comprise a hollow tubular duct configured for providing a fluid (e.g. water) coming from the water supply system and conveying it within the valve body 2 of the device 1 .
  • a fluid e.g. water
  • the feed line 101 is engaged with fluid seal with the engagement portion of the inlet collar 2' of the channel 3.
  • the feed line 101 can then have an engagement portion on which a threaded coupling is defined, configured for being engaged with the engagement portion of the inlet collar 2'. Nevertheless it is possible that the engagement between the feed line and the engagement portion of the inlet collar 2' can be attained by means of a quick coupling or a bayonet engagement.
  • the plant 100 can further comprise a delivery line 102 configured for placing the outlet 6 of the device 1 in fluid communication with a fluid treatment operating device 103.
  • the delivery line 102 can comprise a respective hollow tubular duct engaged with the engagement portion of the outlet collar 2” of the channel 3.
  • the delivery line 102 can then have an engagement portion on which a threaded coupling is defined, configured for being engaged with the engagement portion of the outlet collar 2”. Nevertheless it is possible that the engagement between the delivery line 102 and the engagement portion of the outlet collar 2” can be attained by means of a quick coupling or a bayonet engagement.
  • the delivery line 102 and the feed line 101 can be at least partly made of metallic material, for example they can be made by using at least one selected from the group of the following metallic materials: steel, brass, bronze, copper and alloys thereof, aluminum and alloys thereof.
  • the delivery line 102 and the feed line 101 can also be at least partly (or entirely) made of plastic material; for example it can be attained by using at least one selected from the group of the following materials: ABS, PPS, PSU, PE, PTFE, PVC, PET.
  • the delivery line 102 and the feed line 101 can be made by employing both metallic material and plastic material as listed above.
  • valve body 2 and of the shutter 40 renders the device 1, in its entirety, extremely compact and easy to mount on a hydraulic plant.
  • the configuration of the device adapted to allow the passage of the fluid both from the shutter and from the compartment allows reducing the load losses to a minimum and allows an optimal and precise chemical conditioning of the fluid, for example by means of the metering of polyphosphates.
  • the structure of the shutter capable of translating within the channel 3 allows providing a device that is extremely compact, simultaneously capable of reducing load losses to a minimum.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Lift Valve (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

La présente invention concerne un dispositif de traitement de fluides comprenant un corps de vanne (2) comprenant une entrée (4), une sortie (6), un premier et un second accès (8, 10) ; le corps de vanne (2) comprend un canal (3) s'étendant entre l'entrée (4) et la sortie (6). Le dispositif comprend également : un récipient (20) en prise avec le corps de vanne (2) et définissant un compartiment (21) en communication fluidique avec les premier et second accès (8, 10), un obturateur (40) logé dans le canal (3). L'obturateur (40) est mobile à l'intérieur du canal (3) entre : une première position de fonctionnement dans laquelle il permet la communication fluidique entre l'entrée (4) et la sortie (6) et permet également la communication fluidique entre le canal (3) et lesdits premier et second accès (8, 10) ; une seconde position de fonctionnement dans laquelle l'obturateur (40) empêche la communication fluidique entre lesdits premier et second accès (8, 10) et le canal (3).
EP22717667.4A 2021-04-16 2022-03-29 Dispositif et procédé de traitement de fluides Pending EP4323092A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000009689A IT202100009689A1 (it) 2021-04-16 2021-04-16 Dispositivo e metodo per il trattamento di fluidi
PCT/IB2022/052883 WO2022219439A1 (fr) 2021-04-16 2022-03-29 Dispositif et procédé de traitement de fluides

Publications (1)

Publication Number Publication Date
EP4323092A1 true EP4323092A1 (fr) 2024-02-21

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Application Number Title Priority Date Filing Date
EP22717667.4A Pending EP4323092A1 (fr) 2021-04-16 2022-03-29 Dispositif et procédé de traitement de fluides

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Country Link
EP (1) EP4323092A1 (fr)
AU (1) AU2022259031A1 (fr)
CA (1) CA3216235A1 (fr)
CL (1) CL2023003067A1 (fr)
IT (1) IT202100009689A1 (fr)
WO (1) WO2022219439A1 (fr)

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