FR2527475A1 - PLANT FOR MIXING TWO SPECIFIED PROPORTION LIQUIDS TO OBTAIN PH REGULATION IN THE REACTION MEDIUM - Google Patents
PLANT FOR MIXING TWO SPECIFIED PROPORTION LIQUIDS TO OBTAIN PH REGULATION IN THE REACTION MEDIUM Download PDFInfo
- Publication number
- FR2527475A1 FR2527475A1 FR8209493A FR8209493A FR2527475A1 FR 2527475 A1 FR2527475 A1 FR 2527475A1 FR 8209493 A FR8209493 A FR 8209493A FR 8209493 A FR8209493 A FR 8209493A FR 2527475 A1 FR2527475 A1 FR 2527475A1
- Authority
- FR
- France
- Prior art keywords
- liquid
- treated
- venturi
- probe
- meter
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 239000012429 reaction media Substances 0.000 title claims description 4
- 230000029219 regulation of pH Effects 0.000 title 1
- 239000000523 sample Substances 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000000047 product Substances 0.000 description 7
- 235000014101 wine Nutrition 0.000 description 5
- 239000002253 acid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
-
- 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
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
-
- 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
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2111—Flow rate
- B01F35/21112—Volumetric flow rate
-
- 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
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/2132—Concentration, pH, pOH, p(ION) or oxygen-demand
-
- 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
- B01F35/82—Forming a predetermined ratio of the substances to be mixed by adding a material to be mixed to a mixture in response to a detected feature, e.g. density, radioactivity, consumed power or colour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Control Of Non-Electrical Variables (AREA)
- Accessories For Mixers (AREA)
Abstract
Description
La présente invention a pour objet une installation permettant la régulation automatique du pH dans un milieu réactionnel afin de permettre le mélange en proportion de de deux liquides sans intervention extérieure étant donné que l'une des vannes débitmétriques est contrôlée en permanence par un pH mètre simple présentant une sonde pH soumise à la pression du liquide en circulation qui réagit donc automatiquement en ouvrant ou fermant la vanne débitmétrique donnant ainsi une régulation automatique et parfaite du pH dans le milieu réactionnel. Le matériel de l'installation est particulièrement utilisable pour le procédé décrit dans la demande de brevet français No 81 04828 déposée le 11 mars 1981. The subject of the present invention is an installation allowing the automatic regulation of the pH in a reaction medium in order to allow mixing in proportion of two liquids without external intervention since one of the flowmeter valves is permanently controlled by a simple pH meter having a pH probe subjected to the pressure of the circulating liquid which therefore reacts automatically by opening or closing the flow meter valve thus giving automatic and perfect regulation of the pH in the reaction medium. The equipment of the installation is particularly usable for the process described in the French patent application No 81 04828 filed on March 11, 1981.
Lorsque la valeur de pH résulte de plusieurs réactions simultanées ayant des cinétiques très différentes, l'installation conforme à l'invention permet une régulation immédiate de l'écoulement des liquides pour,finalement,obtenir le but recherché. When the pH value results from several simultaneous reactions having very different kinetics, the installation according to the invention allows immediate regulation of the flow of liquids in order, finally, to obtain the desired goal.
On connait déjà des installations permettant la variation d'un débit de liquide sous le contrôle d'une vanne débitmétrique commandé par un pH-mètre, mais dans tous les cas on est amené à employer un pH mètre de constitution compliquée et fragile, ce qui rend donc l'installation coûteuse et délicate. We already know of installations allowing the variation of a liquid flow rate under the control of a flow meter valve controlled by a pH meter, but in all cases we have to use a pH meter of complicated and fragile constitution, which The installation is therefore expensive and delicate.
La présente invention remédie à ces inconvénients en créant un matériel simple et très fiable. The present invention overcomes these drawbacks by creating simple and very reliable equipment.
Conformément à l'invention, l'installation comporte deux récipients, l'un contenant le liquide à traiter 'et l'autre une bouillie constituée par une certaine quantité de liquide à traiter et le produit de traitement, puis le liquide à traiter est amené dans un venturi du côté amont par une buse permettant l'injection de la bouillie et dans la partie aval du venturi est placée une sonde assurant la régulation du pH, sonde contrôlant un organe débitmétrique du liquide à traiter de façon qu'à la sortie du venturi le liquide traité ait un pH convenable. In accordance with the invention, the installation comprises two containers, one containing the liquid to be treated and the other a slurry consisting of a certain quantity of liquid to be treated and the treatment product, then the liquid to be treated is supplied. in a venturi on the upstream side by a nozzle allowing the injection of the slurry and in the downstream part of the venturi is placed a probe ensuring the regulation of the pH, probe controlling a flow meter of the liquid to be treated so that at the outlet of the venturi the treated liquid has a suitable pH.
Suivant une autre caractéristique de l'invention, la sonde du pH-mètre est munie d'un conduit raccord permettant d'appliquer à la sonde la pression régnant dans la partie aval du conduit du venturi. According to another characteristic of the invention, the pH meter probe is provided with a connecting pipe allowing the pressure prevailing in the downstream part of the venturi pipe to be applied to the probe.
Diverses autres caractéristiques de l'invention ressortent d'ailleurs de la description détaillée qui suit. Various other characteristics of the invention will also emerge from the detailed description which follows.
Une forme de réalisation de l'objet de l'invention est représentée, à titre d'exemple non limitatif, au dessin annexe. An embodiment of the object of the invention is shown, by way of nonlimiting example, in the accompanying drawing.
La fig. 1 est un schéma général de l'installation. Fig. 1 is a general diagram of the installation.
La fig. 2 est une élévation, partie en coupe à grande échelle,d'un des éléments de l'installation. Fig. 2 is an elevation, partly in section on a large scale, of one of the elements of the installation.
A la fig. 1 on a schématisé un récipient 1 qui contient un liquide 2 dont le pH doit etre réglé soit en l'abaissant, soit au contraire, en l'élevant. Le récipient 2 est relié par une canalisation 3 à un embout 4 fixé à la partie supérieure d'une vanne 5 (voir fig. 2). Comme on peut s'en rendre compte au dessin, la partie de l'installation assurant le mélange sous contrôle a été représentée à grande échelle à la fig. 2 et simplement schématisée par un rectangle 6 à la fig. 1. In fig. 1 there is shown diagrammatically a container 1 which contains a liquid 2, the pH of which must be adjusted either by lowering it or, on the contrary, by raising it. The container 2 is connected by a pipe 3 to a nozzle 4 fixed to the upper part of a valve 5 (see fig. 2). As can be seen in the drawing, the part of the installation ensuring mixing under control has been shown on a large scale in FIG. 2 and simply shown diagrammatically by a rectangle 6 in FIG. 1.
La vanne 5 est reliée par sa sortie 7 à un conduit venturi 8 dans lequel débouche une buse d'injection 9 reliée par un conduit 10 à un réservoir il dont le dessus 12 porte un moteur 13 entrainant un agitateur 14. De plus, le réservoir il est relié par une canalisation 15 partant d'une certaine hauteur du réservoir 11 et arrivant à la buse de raccordement 16 terminant le conduit venturi 8. The valve 5 is connected by its outlet 7 to a venturi conduit 8 into which an injection nozzle 9 connected by a conduit 10 opens to a reservoir 11 the top 12 of which carries a motor 13 driving an agitator 14. In addition, the reservoir it is connected by a pipe 15 starting from a certain height of the reservoir 11 and arriving at the connection nozzle 16 terminating the venturi duct 8.
Une ouverture 17 est prévue dans la partie supérieure du conduit venturi 8 pour permettre la mise en place d'un bouchon 18 maintenant la sonde 19 d'un pH-mètre 20 qui, par une liaison électrique 21, assure le contrôle de la vanne 5. La sonde 19 est munie d'un conduit-raccord 22 qui permet de mettre la sonde 19 à la pression exacte régnant au moment t dans le conduit venturi 8 du fait de la prise de la pression par introduction du liquide s'écoulant dans le conduit raccord de la sonde 19.An opening 17 is provided in the upper part of the venturi duct 8 to allow the establishment of a plug 18 holding the probe 19 of a pH meter 20 which, by an electrical connection 21, ensures the control of the valve 5 The probe 19 is provided with a connecting pipe 22 which makes it possible to bring the probe 19 to the exact pressure prevailing at time t in the venturi pipe 8 due to the taking of the pressure by introduction of the liquid flowing into the probe connection pipe 19.
L'installation peut comporter à la place de la vanne 5 une pompe débitmétrique qui est contrôlée par le p mètre 20 de la même façon que précédemment décrit. Bien entendu, le pH mètre 20 est relié à une source d'énergie électrique. The installation may include, instead of the valve 5, a flow meter pump which is controlled by the meter 20 in the same way as previously described. Of course, the pH meter 20 is connected to a source of electrical energy.
L'installation fonctionne de la façon suivante. The installation works as follows.
Lorsqu'on désire faire réagir un produit sur un liquide dont on doit abaisser ou élever le pH, on procède comme décrit ci-dessous. When it is desired to react a product with a liquid whose pH must be lowered or raised, the procedure is as described below.
On règle d'abord le pH-mètre 20 pour une valeur voulue de pH puis on introduit dans le réservoir 11 le produit de traitement que l'on mélange au moyen de l'agitateur 14 à une certaine quantité de liquide à traiter. The pH meter 20 is first adjusted to a desired pH value and then the treatment product is introduced into the tank 11 which is mixed by means of the agitator 14 with a certain quantity of liquid to be treated.
Lorsqu'on obtient un produit homogène liquide on ouvre la vanne commandant l'écoulement du liquide 2 contenu dans le récipient 1, cette vanne non représentée au dessin étant placée sur la canalisation 3.When a homogeneous liquid product is obtained, the valve controlling the flow of the liquid 2 contained in the container 1 is opened, this valve not shown in the drawing being placed on the pipe 3.
En même temps la vanne 5 est ouverte et permet le débit du produit de traitement contenu dans le réservoir 11, ce liquide de traitement étant entraîné du fait du venturi 8 par l'écoulement du liquide 2 arrivant dans la buse d'injection 9. Immédiatement la sonde 19 du pH-mètre 20 fonctionne et règle le débit du liquide 2 en fonction de la valeur du pH relevé. La distance séparant la sortie du venturi t de la sonde 19 du pH mètre 20 est telle que,si une modification trop importante de la valeur du pH du produit de traitement venant du réservoir 11 intervient, le pu mètre 20 réagit immXdiatement en réglant le débit de la vanne 5 afin de rétablir l'écoulement du liquide de traitement et d'obtenir une réaction correcte et instantanée à la sortie du venturi 8. At the same time the valve 5 is open and allows the flow of the treatment product contained in the reservoir 11, this treatment liquid being driven by the venturi 8 by the flow of the liquid 2 arriving in the injection nozzle 9. Immediately the probe 19 of the pH meter 20 operates and regulates the flow rate of the liquid 2 as a function of the value of the pH read. The distance separating the outlet of the venturi t from the probe 19 of the pH meter 20 is such that, if an excessive modification of the pH value of the treatment product coming from the reservoir 11 occurs, the pu meter 20 reacts immediately by adjusting the flow rate of the valve 5 in order to restore the flow of the treatment liquid and to obtain a correct and instantaneous reaction at the outlet of the venturi 8.
Le liquide traité s'échappe alors par la buse 16 et par le conduit 15, retourne dans le réservoir 11. Lorsque tout le liquide 2 a quitté le récipient 1, le traitement est terminé. The treated liquid then escapes through the nozzle 16 and through the conduit 15, returns to the reservoir 11. When all the liquid 2 has left the container 1, the treatment is finished.
Comme indiqué ci-dessus, la vanne 5 peut être remplacée par une pompe débitmétrique contrôlée par le pHmètre 20. Du fait du conduit raccord 22, la pression régnant à l'intérieur de la sonde 19 est égale à la pression du courant de liquide s'échappant du venturi 8 et le traitement est donc parfaitement réalisé, ce qui donne finalement un liquide dont le pH est conforme à celui recherché. Pendant tout le traitement l'agitateur 14 peut rester en fonctionnement de façon à assurer une homogénéité parfaite du liquide et du produit de traitement. As indicated above, the valve 5 can be replaced by a flow meter pump controlled by the pH meter 20. Due to the connecting pipe 22, the pressure inside the probe 19 is equal to the pressure of the liquid stream s escaping from the venturi 8 and the treatment is therefore perfectly carried out, which ultimately gives a liquid whose pH is in accordance with that desired. During the entire treatment, the agitator 14 can remain in operation so as to ensure perfect homogeneity of the liquid and of the treatment product.
Une telle installation est particulièrement utilisable, pour le relèvement du pH de vins acides, afin d'amener le pH à une valeur permettant de désacidifier ces vins. Such an installation is particularly usable, for raising the pH of acidic wines, in order to bring the pH to a value making it possible to deacidify these wines.
Comme expliqué ci-dessus, on prépare alors dans le réservoir 11 et avec une petite quantité de vin acide une bouillie homogène constituée par la petite quantité de vin et le produit de traitement, puis on traite le vin acide contenu dans le récipient 1 comme expliqué précédemment. As explained above, a homogeneous slurry consisting of the small amount of wine and the treatment product is then prepared in the tank 11 and with a small amount of acid wine, then the acid wine contained in the container 1 is treated as explained. previously.
Bien entendu les différents éléments constituant l'installation, c'est-à-dire les récipients 1 et 11, les canalisations, les parties de l'agitateur placées à l'intérieur du réservoir 11 et les pièces constituant le venturi 8 et la buse d'injection 9 ,sont réalisés en matériau résistant aux agents considérés, c'est-à-dire le plus souvant en acier inoxydable. Of course the various elements constituting the installation, that is to say the containers 1 and 11, the pipes, the parts of the agitator placed inside the tank 11 and the parts constituting the venturi 8 and the nozzle injection 9, are made of material resistant to the agents considered, that is to say most often stainless steel.
Claims (3)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8209493A FR2527475B1 (en) | 1982-06-01 | 1982-06-01 | PLANT FOR MIXING TWO SPECIFIED PROPORTION LIQUIDS TO OBTAIN PH REGULATION IN THE REACTION MEDIUM |
| IT21403/83A IT1163429B (en) | 1982-06-01 | 1983-06-01 | PLANT THAT ALLOWS THE MIXTURE OF TWO LIQUIDS IN DETERMINED PROPORTION TO OBTAIN THE PH REGULATION IN A REACTION ENVIRONMENT |
| DE19833319914 DE3319914A1 (en) | 1982-06-01 | 1983-06-01 | Apparatus for mixing two liquids in a predetermined ratio to control the pH in a reaction medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8209493A FR2527475B1 (en) | 1982-06-01 | 1982-06-01 | PLANT FOR MIXING TWO SPECIFIED PROPORTION LIQUIDS TO OBTAIN PH REGULATION IN THE REACTION MEDIUM |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2527475A1 true FR2527475A1 (en) | 1983-12-02 |
| FR2527475B1 FR2527475B1 (en) | 1989-08-18 |
Family
ID=9274507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8209493A Expired FR2527475B1 (en) | 1982-06-01 | 1982-06-01 | PLANT FOR MIXING TWO SPECIFIED PROPORTION LIQUIDS TO OBTAIN PH REGULATION IN THE REACTION MEDIUM |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3319914A1 (en) |
| FR (1) | FR2527475B1 (en) |
| IT (1) | IT1163429B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2630727A1 (en) * | 1988-05-02 | 1989-11-03 | Wieland Edelmetalle | METHOD AND DEVICE FOR THE TREATMENT OF WASTEWATER WITH NITRITES |
| EP0716879A2 (en) * | 1994-12-14 | 1996-06-19 | FSI International, Inc. | Apparatus for blending chemical and diluent liquids |
| EP1043122A2 (en) * | 1999-04-06 | 2000-10-11 | Lucent Technologies Inc. | Apparatus and method for continuous delivery and conditioning of a polishing slurry |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788725A (en) * | 1987-02-12 | 1988-12-06 | Marquis Corp. | Spa with slide valve |
| DE3723178C2 (en) * | 1987-07-14 | 1996-01-25 | Bodenseewerk Perkin Elmer Co | Method and device for flow injection analysis in combination with atomic absorption spectroscopy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU443173B2 (en) * | 1968-04-23 | 1969-10-30 | Bell Aerospace Corporation | An ejector for controlledly mixing two fluids |
| US4019983A (en) * | 1974-10-10 | 1977-04-26 | Houdaille Industries, Inc. | Disinfection system and method |
| US4164541A (en) * | 1976-11-22 | 1979-08-14 | Lubas William | Venturi mixer |
| GB1595452A (en) * | 1978-04-13 | 1981-08-12 | Atomic Energy Authority Uk | Regulating the output of dynamic pumps |
-
1982
- 1982-06-01 FR FR8209493A patent/FR2527475B1/en not_active Expired
-
1983
- 1983-06-01 IT IT21403/83A patent/IT1163429B/en active
- 1983-06-01 DE DE19833319914 patent/DE3319914A1/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU443173B2 (en) * | 1968-04-23 | 1969-10-30 | Bell Aerospace Corporation | An ejector for controlledly mixing two fluids |
| US4019983A (en) * | 1974-10-10 | 1977-04-26 | Houdaille Industries, Inc. | Disinfection system and method |
| US4164541A (en) * | 1976-11-22 | 1979-08-14 | Lubas William | Venturi mixer |
| GB1595452A (en) * | 1978-04-13 | 1981-08-12 | Atomic Energy Authority Uk | Regulating the output of dynamic pumps |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2630727A1 (en) * | 1988-05-02 | 1989-11-03 | Wieland Edelmetalle | METHOD AND DEVICE FOR THE TREATMENT OF WASTEWATER WITH NITRITES |
| EP0716879A2 (en) * | 1994-12-14 | 1996-06-19 | FSI International, Inc. | Apparatus for blending chemical and diluent liquids |
| EP0716879A3 (en) * | 1994-12-14 | 1997-02-05 | Fsi Int Inc | Apparatus for blending chemical and diluent liquids |
| EP1043122A2 (en) * | 1999-04-06 | 2000-10-11 | Lucent Technologies Inc. | Apparatus and method for continuous delivery and conditioning of a polishing slurry |
| EP1043122A3 (en) * | 1999-04-06 | 2003-04-16 | Lucent Technologies Inc. | Apparatus and method for continuous delivery and conditioning of a polishing slurry |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2527475B1 (en) | 1989-08-18 |
| IT8321403A0 (en) | 1983-06-01 |
| DE3319914A1 (en) | 1983-12-01 |
| IT8321403A1 (en) | 1984-12-01 |
| IT1163429B (en) | 1987-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |