FR2688208A1 - Device making it possible to remove the sludge present in a circuit, especially for heating - Google Patents
Device making it possible to remove the sludge present in a circuit, especially for heating Download PDFInfo
- Publication number
- FR2688208A1 FR2688208A1 FR9202697A FR9202697A FR2688208A1 FR 2688208 A1 FR2688208 A1 FR 2688208A1 FR 9202697 A FR9202697 A FR 9202697A FR 9202697 A FR9202697 A FR 9202697A FR 2688208 A1 FR2688208 A1 FR 2688208A1
- Authority
- FR
- France
- Prior art keywords
- pot
- cylinder
- plates
- remove
- annular space
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0009—Settling tanks making use of electricity or magnetism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
- B01D21/2411—Feed mechanisms for settling tanks having a tangential inlet
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
Description
La présente invention est relative à un dispositif permettant d'évacuer les boues présentes dans les circuits de chauffage. The present invention relates to a device for removing sludge from the heating circuits.
Les boues sont le résultat de la corrosion des canalisations qui se produit du fait de la présence de gaz carbonique dissout dans l'eau. Sans entrer dans les détails des réactions chimiques, il suffit de savoir que les boues sont formées de carbonates de fer et d'oxyde ferrique. The sludge is the result of corrosion of the pipes which occurs due to the presence of carbon dioxide dissolved in the water. Without going into the details of the chemical reactions, it suffices to know that the sludge is formed from iron carbonates and ferric oxide.
Ces deux produits sont insolubles dans l'eau et forment des boues noires et grasses qui se déposent aux points bas des installations avec tous les inconvénients que cela présente. These two products are insoluble in water and form black and oily sludge which is deposited at the low points of the installations with all the disadvantages that this presents.
Pour évacuer ces boues, on a imaginé un dispositif permettant d'effectuer un filtrage en continu. Un tel dispositif est décrit dans le brevet français publié sous le N"2566283. To remove this sludge, a device has been devised allowing continuous filtering. Such a device is described in the French patent published under No. 2566283.
Dans ce document il est décrit un dispositif permettant d'évacuer, à la fois, les boues et le tartre. Ce dispositif est constitué d'une capacité, pouvant etre traversée par une partie du fluide à filtrer, comportant un capteur magnétique et, en aval, une cartouche filtrante. In this document, a device is described making it possible to remove both the sludge and the tartar. This device consists of a capacity, which can be crossed by a part of the fluid to be filtered, comprising a magnetic sensor and, downstream, a filter cartridge.
Un tel dispositif ne peut pas donner de bons résultats. En effet, comme la capacité utilise une cartouche filtrante, il est nécessaire, pour que celle-ci soit efficace, de regrouper les impuretées à l'aide d'un produit approprié, connu sous le nom de produit floculant. Such a device cannot give good results. Indeed, as the capacity uses a filter cartridge, it is necessary, for this to be effective, to group together the impurities using an appropriate product, known as a flocculating product.
Du fait du regroupement des impuretés, on crée des particules lourdes qui circulent difficilement et ont tendance à se déposer. De plus, ces particules lourdes, lorsque qu'elles contiennent des atomes de fer, sont diffîcilement retenues par le capteur magnétique dont le rôle est, en fait, de retenir les fines particules
Le dispositif de l'invention qui remédie à ces inconvénients est remarquable en ce que l'eau à traiter, dans laquelle on a introduit un produit dispersant, pénètre dans l'espace annulaire d'une capacité et traverse ensuite un ensemble de plaques aimantées disposées en chicane.Due to the grouping of impurities, heavy particles are created which circulate with difficulty and tend to deposit. In addition, these heavy particles, when they contain iron atoms, are difficultly retained by the magnetic sensor whose role is, in fact, to retain the fine particles.
The device of the invention which overcomes these drawbacks is remarkable in that the water to be treated, into which a dispersing agent has been introduced, penetrates into the annular space of a capacity and then passes through a set of magnetized plates arranged in chicane.
A titre d'agent dispersant, on peut utiliser, par exemple, un polyacrylate de sodium. Le produit dispersant évite que les boues se rassemblent et adhèrent aux parois des canalisations. As the dispersing agent, it is possible to use, for example, a sodium polyacrylate. The dispersing agent prevents the sludge from collecting and adhering to the walls of the pipes.
La présente invention sera mieux comprise par la description qui va suivre faite en se référant au dessin annexé à titre d'exemple indicatif seulement sur lequel
-la figure 1 est une vue schématique, en coupe verticale, du dispositif de l'invention;
-la figure 2 est une vue en coupe efffectuée selon la ligne II-II de la figure 1.The present invention will be better understood from the description which follows made with reference to the accompanying drawing by way of indicative example only, in which
FIG. 1 is a schematic view, in vertical section, of the device of the invention;
FIG. 2 is a view in section made on line II-II of FIG. 1.
En se reportant au dessin on voit que le dispositif de l'invention se compose essentiellement d'un pot cylindrique 1 comportant à sa partie supérieure un espace annulaire 2 ménagé entre la paroi interne dudit pot et un cylindre 3 qui ne s'étend pas jusqu'au fond 4 de ce dernier. Referring to the drawing, it can be seen that the device of the invention essentially consists of a cylindrical pot 1 comprising at its upper part an annular space 2 formed between the internal wall of said pot and a cylinder 3 which does not extend up to 'at the bottom 4 of the latter.
Une canalisation 4 débouche tangentiellement dans l'espace 2. A pipe 4 opens tangentially into space 2.
Cette canalisation est branchée, par exemple, en dérivation à la sortie de la pompe usuelle de circulation du circuit de chauffage.This pipe is connected, for example, bypass to the output of the usual circulation pump of the heating circuit.
Sous l'effet de la rotation dans l'espace 2, les particules les plus grosses se déposent sur le fond la. Under the effect of the rotation in space 2, the largest particles are deposited on the bottom la.
L'eau débarassée de la plus grande partie des boues, pénètre dans le cylindre 3 par sa partie inférieure qui est ouverte. Dans le cylindre 3 sont disposées des plaques 5 aimantées qui retiennent les fines particules métalliques encore présentes dans l'eau qui ressort à la partie supérieure de cylindre 3 par la canalisation 6 et est réinjectée dans le circuit. The water removed from most of the sludge enters the cylinder 3 through its lower part which is open. In the cylinder 3 are arranged magnetic plates 5 which retain the fine metallic particles still present in the water which emerges at the upper part of the cylinder 3 through the pipe 6 and is reinjected into the circuit.
La batterie de plaques 5 est portée par un arbre 7 et est constituée par une pluralité de disques tronqués et disposés en chicane s'étendant perpendiculairement audit arbre. La partie tronquée ainsi que la distance entre les plaques peuvent être suffisamment importantes pour ne pas créer de pertes de charges susceptibles de réduire le débit de l'appareil. The battery of plates 5 is carried by a shaft 7 and is constituted by a plurality of truncated discs arranged in a baffle extending perpendicular to said shaft. The truncated part as well as the distance between the plates can be large enough not to create pressure drops which could reduce the flow rate of the device.
La partie supérieure du cylindre 3 est obturée par un couvercle 8, solidaire de l'arbre 7, permettant de sortir toutes les plaques 5 pour en effectuer le nettoyage. Selon une variante, non représentée, l'arbre 7 et les plaques 5 peuvent constituer un ensemble indépendant du couvercle 8. Dans ce cas, le couvercle et la partie inférieure du cylindre 3 présentent des moyens pour effectuer le centrage des extrémités de l'arbre 7. The upper part of the cylinder 3 is closed by a cover 8, integral with the shaft 7, allowing all the plates 5 to be removed for cleaning. According to a variant, not shown, the shaft 7 and the plates 5 can constitute an independent assembly of the cover 8. In this case, the cover and the lower part of the cylinder 3 have means for centering the ends of the shaft 7.
Le dispositif est complété par des vannes 9 et 10 permettant d'isoler le pot 1 pour effectuer le nettoyage des plaques. La partie inférieure du pot 1 comporte un robinet de vidange 1 1 permettant d'évacuer les boues lourdes. The device is completed by valves 9 and 10 making it possible to isolate the pot 1 for cleaning the plates. The lower part of the pot 1 has a drain valve 1 1 for removing heavy sludge.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9202697A FR2688208B1 (en) | 1992-03-06 | 1992-03-06 | DEVICE FOR DISCHARGING SLUDGE PRESENT IN A CIRCUIT, ESPECIALLY FOR HEATING. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9202697A FR2688208B1 (en) | 1992-03-06 | 1992-03-06 | DEVICE FOR DISCHARGING SLUDGE PRESENT IN A CIRCUIT, ESPECIALLY FOR HEATING. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2688208A1 true FR2688208A1 (en) | 1993-09-10 |
| FR2688208B1 FR2688208B1 (en) | 1994-08-26 |
Family
ID=9427428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9202697A Expired - Lifetime FR2688208B1 (en) | 1992-03-06 | 1992-03-06 | DEVICE FOR DISCHARGING SLUDGE PRESENT IN A CIRCUIT, ESPECIALLY FOR HEATING. |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2688208B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2862633A1 (en) * | 2003-11-21 | 2005-05-27 | Promaiga | Sludge extractor, especially for a heating circuit, has pot with inner cylinder and magnetic plates that can be flushed out with mains water |
| NL2013941B1 (en) * | 2014-12-08 | 2016-10-11 | Flamco Bv | Separator and separation method. |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2210574A1 (en) * | 1972-12-19 | 1974-07-12 | Nippon Electric Co | |
| FR2385994A1 (en) * | 1977-03-28 | 1978-10-27 | Jeannin Christian | Water cleaning vessel for district heating systems - contains three types of filter within common enclosure which includes purge water and sludge removal valves |
| US4343707A (en) * | 1980-03-10 | 1982-08-10 | Electric Power Research Institute, Inc. | Method and apparatus for separating out solids suspended in flowing, pure water systems |
| US4366053A (en) * | 1981-05-15 | 1982-12-28 | Descal-A-Matic Corporation | Magnetic liquid treating device |
| US4502958A (en) * | 1981-12-01 | 1985-03-05 | Takahisa Sasaki | Method and device for the separation of suspended solids in waste water |
| FR2566283A1 (en) * | 1984-06-21 | 1985-12-27 | Desplats Philippe | Water filtration device for heating circuits |
-
1992
- 1992-03-06 FR FR9202697A patent/FR2688208B1/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2210574A1 (en) * | 1972-12-19 | 1974-07-12 | Nippon Electric Co | |
| FR2385994A1 (en) * | 1977-03-28 | 1978-10-27 | Jeannin Christian | Water cleaning vessel for district heating systems - contains three types of filter within common enclosure which includes purge water and sludge removal valves |
| US4343707A (en) * | 1980-03-10 | 1982-08-10 | Electric Power Research Institute, Inc. | Method and apparatus for separating out solids suspended in flowing, pure water systems |
| US4366053A (en) * | 1981-05-15 | 1982-12-28 | Descal-A-Matic Corporation | Magnetic liquid treating device |
| US4502958A (en) * | 1981-12-01 | 1985-03-05 | Takahisa Sasaki | Method and device for the separation of suspended solids in waste water |
| FR2566283A1 (en) * | 1984-06-21 | 1985-12-27 | Desplats Philippe | Water filtration device for heating circuits |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2862633A1 (en) * | 2003-11-21 | 2005-05-27 | Promaiga | Sludge extractor, especially for a heating circuit, has pot with inner cylinder and magnetic plates that can be flushed out with mains water |
| NL2013941B1 (en) * | 2014-12-08 | 2016-10-11 | Flamco Bv | Separator and separation method. |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2688208B1 (en) | 1994-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property |
Owner name: PROMAIGA SAS-SOCIETE NOUVELLE, FR Effective date: 20140820 |