Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D19/00—Degasification of liquids
  • B01D19/0031—Degasification of liquids by filtration
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
  • B01F35/80—Forming a predetermined ratio of the substances to be mixed
  • B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
  • B01F35/882—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
  • B01F35/8822—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances using measuring chambers of the piston or plunger type
  • B01F35/88222—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances using measuring chambers of the piston or plunger type without external means for driving the piston, e.g. the piston being driven by one of the components

Definitions

• the subject of the present invention is a device for mixing a first fluid with a second carrier fluid comprising a set for withdrawing the first fluid from a container in which it is stored, a set for diluting fluid withdrawn from the carrier fluid and an assembly for distributing the fluid mixture obtained for its subsequent use.
• the known devices are expensive, complex imperfect or born these s i t ent for the withdrawal of the first fluid stored in a container topping up such as for example a pressurized gas. This is impractical and also poses a risk in use, in particular for possible applications in public places.
• the invention proposes to overcome these various drawbacks by a simple device, not requiring pou0 the control of the set of external appo rt other than the simple circulation of the carrier fluid.
• this result is obtained with a device for mixing a first fluid with a second carrier fluid, comprising a set for withdrawing the first fluid from a container in which it is stored, a set for diluting the withdrawn fluid in the carrier fluid and an assembly for distributing the fluid mixture obtained with a view to its subsequent use, characterized in that the withdrawal, dilution and distribution are ensured by a single control device actuated under the effect of a pres - d if f er ent i el le established in the vector fluid circulation network.
• the abovementioned control device will essentially consist of a piston able to move in a first cylindrical chamber, said piston being provided with a rod moving in a second cylindrical chamber being able to be placed in communication on the one hand with the container for storing the first fluid and on the other hand with the assembly for dilution and distribution, the two faces of the aforementioned piston being constantly subjected to the pressure of the carrier fluid.
• FIG. 1 is a longitudinal sectional view of the device according to the invention (scale 1/2 approximately);
• FIG. 2 is a greatly enlarged longitudinal sectional view of the dilution device.
• the device according to the invention is externally in the form of a housing (1) of generally cylindrical shape.
• This casing comprises an inlet orifice (2) for the first fluid, three orifices (3,4,5) in communication with the circulation network of the carrier fluid, an orifice (6) provided with a closing bolt, not shown , the plug possibly being able to serve as a flow adjustment, the orifice (6) serving to bring the carrier fluid to the second fluid, and finally an orifice (7) for expelling the mixture obtained.
• the casing (1) is internally provided with two cylindrical chambers communicating with each other, respectively a large diameter chamber (8) and a small diameter chamber (9).
• a piston (10) able to move longitudinally in said chamber, so as to determine two zones (11,12) separated in leaktight manner by a peripheral annular seal (13) piston.
• One of the zones (12) is in direct communication with the orifice (3), the other zone (11) being in communication with the orifice (4); the orifices (3) and (4) are in turn connected directly or indirectly to the network of the carrier fluid.
• the piston (10) On the face disposed towards the zone (11), the piston (10) comprises a rod (14) capable of sliding in leaktight manner, by virtue of an annular seal (15), in the cylindrical chamber of small diameter (9). In this cylindrical chamber (9) dislodges the inlet orifice (2) of the first fluid. In this orifice is arranged a non-return ball valve allowing only the suction of the fluid out of its container.
• cylindrical chamber (9) also opens a bore (16), the other end of which is in direct communication with the orifice (5) mentioned above.
• bore (16) In the bore (16) are arranged two non-return valves (17) and (22), the latter being shown diagrammatically by one of its balls.
• the bowl (18) of the valve (17) is integral with a cylindrical piston. (19), the other end (20) of which supports a cylindrical rod (21) which controls one of the balls of the second non-return valve (22). This valve is also double, for a function which will be explained later.
• the operation is as follows.
• the piston (10) When establishing a maximum pressure in the carrier fluid circuit, for example when closing the water distribution circuit, the piston (10) is in the "left" position relative to FIG. 1.
• the double non-return valve (22) operates as shown below.
• the upper ball of the valve ensures a non-return safety of the mixture or of one of the fluids in case the pressures come to reverse.
• the lower ball prevents the carrier fluid from flowing until the rod (21) does not lift it.
• the piston (10) can be actuated by all forms of energy which can directly or indirectly generate a pressure variation.
• the device according to the invention can therefore be actuated at specific times if it is possible to control and predict the pressure variations.
• the device may have to mix at least two fluids (at least one of which is a vector) at precise programmable times. If the carrier fluid pressure variations are not controlled, the device will ensure mixing and distribution of the mixture obtained at given but non-programmable times.

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Accessories For Mixers (AREA)
• Sampling And Sample Adjustment (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=9247755

Family Applications (1)

Country Status (8)

Cited By (3)

Citations (6)

Family Cites Families (6)

• 1980
  • 1980-11-04 FR FR8023772A patent/FR2493176B1/fr not_active Expired
• 1981
  • 1981-11-03 JP JP56503549A patent/JPS57501666A/ja active Pending
  • 1981-11-03 CH CH4034/82A patent/CH650943A5/fr not_active IP Right Cessation
  • 1981-11-03 WO PCT/FR1981/000141 patent/WO1982001479A1/fr not_active Ceased
  • 1981-11-03 DE DE813152465T patent/DE3152465A1/de not_active Ceased
  • 1981-11-03 GB GB8219017A patent/GB2097276B/en not_active Expired
  • 1981-11-03 BR BR8108859A patent/BR8108859A/pt unknown
  • 1981-11-03 NL NL8120419A patent/NL8120419A/nl unknown

Patent Citations (6)

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