EP2576926A1 - Dispositif de securite environnementale pour bac ou fosse de retention de produits dangereux tels que des produits inflammables et/ou toxiques, en particulier pour fosses ou bacs de retention d'huile pour transformateurs electriques - Google Patents
Dispositif de securite environnementale pour bac ou fosse de retention de produits dangereux tels que des produits inflammables et/ou toxiques, en particulier pour fosses ou bacs de retention d'huile pour transformateurs electriquesInfo
- Publication number
- EP2576926A1 EP2576926A1 EP11721561.6A EP11721561A EP2576926A1 EP 2576926 A1 EP2576926 A1 EP 2576926A1 EP 11721561 A EP11721561 A EP 11721561A EP 2576926 A1 EP2576926 A1 EP 2576926A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- products
- tank
- pipe
- pit
- 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.)
- Withdrawn
Links
- 231100001261 hazardous Toxicity 0.000 title claims abstract description 15
- 230000007613 environmental effect Effects 0.000 title claims abstract description 8
- 231100000331 toxic Toxicity 0.000 title claims abstract description 8
- 230000002588 toxic effect Effects 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000002351 wastewater Substances 0.000 claims abstract description 5
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 14
- 239000003349 gelling agent Substances 0.000 claims description 13
- 229920001577 copolymer Polymers 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 12
- 230000014759 maintenance of location Effects 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 3
- 150000002734 metacrylic acid derivatives Chemical class 0.000 claims description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 229920005594 polymer fiber Polymers 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 239000013056 hazardous product Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 23
- 238000001914 filtration Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 4
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100001239 persistent pollutant Toxicity 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 229920003176 water-insoluble polymer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
- E03F5/16—Devices for separating oil, water or grease from sewage in drains leading to the main sewer
Definitions
- the present invention relates to an environmental safety device for a pit or tank for holding hazardous products such as flammable and / or toxic products.
- the device according to the invention will find many applications in particular in the field of equipment for electricity distribution networks and in particular to pits or oil retention tank for electrical transformers. BACKGROUND OF THE INVENTION
- PCBs being ubiquitous, bioaccumulative and persistent pollutants whose toxicity varies with their molecular weight (depending on the number of chlorine atoms) and the spatial configuration of their molecules
- the power transformers used In the electrical networks are usually installed above a retention pit intended to collect the oil contained in these devices when a leak occurs.
- the pits arranged under the electrical transformers are filled with pebbles.
- This type of system consists of a hood comprising slats close together, steep reserving between them a space ensuring said flowing products access to the tank or pit while avoiding a sufficient supply of oxygen to allow maintenance of a combustion of oils if they were to catch fire.
- Each slat is made of sheet metal folded so as to form a profile comprising an upper portion bordered on its longitudinal sides of two substantially vertical elements of different heights to create the inclination of the slat.
- Said vertical elements are folded in their lower part in the same direction to form generally horizontal bearing lugs, the support lug of the uppermost vertical element bearing on the support lug of the vertical element the lower.
- the device comprises a cap covering a tray or a pit and having close slats, each slat having multiple flow slopes, reserving between them a space ensuring said flowing products access to the tray or the pit.
- the French patent application FR 09 55356 filed by the applicant describes an environmental safety device for a polluting oil collection tank or pit, intended for equipment for electricity distribution networks and in particular bins or oil retention pits for electrical transformers.
- Said device comprises at least one tray or a receiving pit, in particular flammable flowing chemicals placed under a device containing such products, such as an electrical transformer, extinguishing means capping said tank or said pit, evacuation means an overflow of products in the receiving tank or pit and means for filtering flammable chemicals and / or means for separating water and flammable chemicals contained in the receiving tank or pit, said separating means and / or the filtering means being connected to a water discharge pipe.
- These filtration means consist in a filtration tank obtained in sealed reinforced concrete and having a bottom located substantially at the same level as the bottom of the tank or the receiving pit. Said tank is supplied with water / oil mixture by a siphon whose free ends open respectively to the bottom of the tank or the receiving pit and in the upper part of the filtration tank. At the bottom of the filtration tank are disposed filtration means consisting of one or more filter cartridges. Said filter cartridges retain the oil and allow water to flow out which is evacuated by a discharge pipe connected to a spreading drain and / or the sewage network.
- One of the aims of the invention is therefore to remedy these drawbacks by proposing a safety device, for a tank or polluting oil retention pit, for example, intended for equipment for electricity distribution networks and in particular for tanks or oil retention pits for electrical transformers in particular, of simple and inexpensive design, providing a high filtration efficiency whatever the climatic conditions and rapid maintenance and easy.
- an environmental safety device for a tank or pit for holding dangerous products such as flammable and / or toxic products; said device is remarkable in that it consists of at least one sealed tank having at least one substantially vertical separation wall defining two chambers, a first so-called supply chamber provided with at least one opening adapted to receive a pipe supplying water / hazardous products, said supply line being connected to at least one tank or a holding tank of hazardous products, or the like, and a second evacuation chamber provided with at least one suitable opening receiving an evacuation line connected to the wastewater network or a spreading drain, or the like, said partition wall being provided with at least one pipe connecting the supply chamber and the chamber of discharge and adapted to receive at least one removable filter cartridge allowing the water to pass into the evacuation chamber and retaining the dangerous products, said filter forming a plug when is saturated.
- the partition wall forms an angle of between 15 and 35 ° to the vertical and the pipe connecting the feed chamber and the discharge chamber forms an angle of between 15 and 35 ° with the horizontal.
- the partition wall forms an angle of 25 ° with the vertical and the pipe connecting the supply chamber and the discharge chamber forms an angle of 25 ° with the horizontal.
- the filter cartridge consists of at least one tube filled with at least one gelling agent.
- Said gelling agent consists of water-insoluble polymer particles capable of adsorbing the particles of hazardous products.
- the gelling agent consists of styrene-substituent styrene-polymer particles and / or fibers, copolymers of vinyl chloride including a copolymer of vinyl chloride and co-monomers such as vinyl acetate , dichloroethylene, acrylonitrile, methacrylonitrile, acrylates, methacrylates and the like, acrylic polymers such as methyl methacrylate polymers, ethyl acrylate and the like, styrene polymers such as polystyrene and styrene copolymers and divinylbenzene, styrene alkyl polymers and copolymers or combination of these particles.
- copolymers of vinyl chloride including a copolymer of vinyl chloride and co-monomers such as vinyl acetate , dichloroethylene, acrylonitrile, methacrylonitrile, acrylates, methacrylates and the like, acrylic polymers such as
- the evacuation chamber comprises in its upper part a horizontal wall delimiting with the upper part of the tank a so-called overflow chamber, said horizontal wall comprising on its one side on its upper face compartments adapted to receive absorbent cushions and on the other hand through-holes positioned under the filter bags so that the overflow chamber is in communication with the exhaust chamber located under the overflow chamber, and in that it comprises at least an overflow pipe extending substantially from the bottom of the feed chamber and opening into the overflow chamber.
- the upper end of the sealed tank is closed by a metal grating or by an anti-fire system as described above.
- FIG. 1 is a perspective view of a safety device according to the invention equipping an oil retention pit for an electrical transformer
- FIG. 2 is a torn perspective view of the safety device according to the invention
- FIG. 3 is a sagittal sectional view of the safety device according to the invention shown in FIG. 2,
- FIG. 4 is a front sectional view of the safety device according to the invention shown in FIG. 2,
- FIG. 5 is a view from above of the safety device according to the invention shown in FIG. 2. DETAILED DESCRIPTION OF THE INVENTION
- a safety device for tank or polluting oil retention pit for equipment for electricity distribution networks and in particular to the bins or retention pits d oil for electrical transformers;
- the safety device according to the invention can easily be adapted to any device comprising dangerous products, to all the tanks of dangerous products such as toxic or flammable chemicals, or the like without leaving the framework of the invention.
- the safety device consists of a substantially parallelepipedal sealed tank 1, obtained in sealed reinforced concrete for example, comprising a substantially vertical separation wall 2 delimiting two chambers, a first so-called supply chamber 3 provided with an opening 4 adapted to receive a feed pipe 5 in a mixture of water and hazardous products, said supply pipe 5 being connected to at least one tank or a holding tank 6 of hazardous products , such as a receiving pit placed under an electric transformer, for example, and a second so-called evacuation chamber 7 provided with an opening 8 able to receive an evacuation pipe 9 connected to the wastewater network, to a spreading network or the like.
- the opening 4 receiving the supply pipe 5 extends on the opposite side to the opening 8 receiving the evacuation pipe 9.
- the sealed tank 1 could be obtained in any waterproof material resistant to dangerous products, well known to those skilled in the art and could have any shape, such as a cylindrical shape for example, without leaving of the scope of the invention.
- the device may comprise a plurality of openings 4 receiving a plurality of supply lines 5 and a plurality of openings 8 receiving a plurality of evacuation lines 9 depending on the configuration and the needs of the installation to be secured.
- the sealed tank 1 comprises several pre-openings 5 and 8, said pre-openings being in circular areas where the wall of the sealed tank 1 is thinner.
- Said partition wall 2 is inclined upwards from the wall of the sealed tank 1 having the opening 4 receiving the supply line 5 to the opposite wall of the sealed tank 1 having the opening 8 receiving the pipe of evacuation and bottom up at an angle ⁇ between 15 and 35 ° relative to the vertical, and preferably an angle of 25 ° relative to the vertical.
- Said partition has a first lower part inclined up to two thirds of the height of the tank and a second vertical part up to the upper end of the sealed tank 1.
- the device comprises three ducts 10 placing in communication the supply chamber 3 and the evacuation chamber 7. These ducts 10 pass through the inclined lower part of the partition wall 2 forming a right angle with the latter.
- the pipes 10 putting the supply chamber 3 into communication with the evacuation chamber 7 form an angle ⁇ of between 15 and 35 ° with respect to the horizontal and preferably an angle ⁇ of 25 ° with respect to the horizontal.
- Said pipes 10 are capable of a removable filter cartridge 11 allowing water to pass into the evacuation chamber 7 and holding the hazardous products, said filter cartridge forming a plug when it is saturated.
- the device comprises three ducts 10 placing the supply chamber 3 in communication with the evacuation chamber, each duct 10 being positioned at a different height; however, it goes without saying that the device may include any number of lines 10 without departing from the scope of the invention.
- Said filter cartridges 11 consist of filter cartridges as described in US Pat. No. 6,485,639, US Pat. No. 6,503,390 or US Pat. No. 6,841,077, incorporated by reference, for example.
- Each cartridge consists of at least one tube filled with at least one gelling agent and / or a powdery material such as sand, activated charcoal, infusorial earth granules or clay granules, for example .
- the gelling agent consists of particles and / or polymer fibers insoluble in water and capable of adsorbing the oil particles.
- the gelling agent consists of styrene and styrene-substituted polymer particles, vinyl chloride copolymers including a vinyl chloride copolymer, and co-monomers such as vinyl acetate, dichloroethylene, vinyl chloride and the like.
- vinyl chloride copolymers including a vinyl chloride copolymer
- co-monomers such as vinyl acetate, dichloroethylene, vinyl chloride and the like.
- acrylonitrile, methacrylonitrile, acrylates, methacrylates and the like acrylic polymers such as methyl methacrylate polymers, ethyl acrylate and the like
- styrene polymers such as polystyrene and styrene copolymers and divinylbenzene, styrene alkyl polymers and copolymers or a combination thereof.
- the filter cartridges consist of Petro-Pipe (trademark) filter cartridges marketed by Solidification Products International (SPI) under the reference PIFH-616.
- Petro-Pipe trademark
- SPI Solidification Products International
- the gelling agent gradually solidifies to form a plug thus preventing any flow of oils into the chamber evacuation and ultimately in the wastewater network. It is then sufficient to replace the used filter cartridges 11 regularly, the latter being also recycled.
- the evacuation chamber 7 comprises in its upper part a horizontal wall 12 delimiting with the upper part of the sealed tank a so-called overflow chamber 13.
- This horizontal wall 12 extends from the base of the part vertical upper part of the partition wall 2 to the wall of the sealed tank 1.
- Said horizontal wall 12 has on its one side on the upper side compartments 14 able to receive absorbent pads 15 and on the other hand through holes 16 positioned under the absorbent pads 15 so that the overflow chamber 13 is in communication with the discharge chamber 7 located under said overflow chamber 13.
- the device comprises at least one overflow pipe 17 extending substantially from the bottom of the feed chamber 3 and opening into the overflow chamber 13 to the right of the absorbent pads 15.
- the filter bags comprise a gelling agent similar to the filtering agent of the filter cartridges 11 previously described.
- the upper end of the sealed tank 1 is closed by a removable metal grating 18 and the device comprises in the feed chamber a descent ladder 19 integral with the wall having the opening 4 and extending substantially from the bottom of the feed chamber to the upper end of the sealed tank, to allow quick and secure access to an operator during filter cartridge replacement operations including.
- composition of the gelling agent of the filter cartridges 11 and the absorbent cushions 15 will depend in particular on the composition of the dangerous products likely to penetrate into the safety device according to the invention.
- the man of profession will have no difficulty in adapting the composition of this gelling agent according to the composition of hazardous products.
- the skilled person will have no difficulty in adapting the dimensions, the number of pipes, the number of filter cartridges, etc. as a function of the flow rate of fluid likely to pass into the safety device according to to the invention.
- the supply pipe 5 is connected to the outlet of a tank or a holding tank 6, with reference to FIG. 1, as described in the patent application FR 09 55356 filed by the plaintiff.
- Said retention pit 6 is for example obtained in sealed reinforced concrete, said pit being substantially parallelepiped, and having two partition walls projecting from the upper end of said pit, an electrical transformer resting on its partition walls. Said partition walls thus form three communicating chambers in the receiving tank or pit, each of the chambers being closed at its upper end by extinguishing means such as those described in the patent application FR 09 55356 for example.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Electrostatic Separation (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1054231A FR2960532B1 (fr) | 2010-05-31 | 2010-05-31 | Dispositif de securite environnementale pour bac ou fosse de retention de produits dangereux tels que des produits inflammables et/ou toxiques, en particulier pour fosses ou bacs de retention d'huile pour transformateurs electriques |
PCT/EP2011/058767 WO2011151270A1 (fr) | 2010-05-31 | 2011-05-27 | Dispositif de securite environnementale pour bac ou fosse de retention de produits dangereux tels que des produits inflammables et/ou toxiques, en particulier pour fosses ou bacs de retention d'huile pour transformateurs electriques |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2576926A1 true EP2576926A1 (fr) | 2013-04-10 |
Family
ID=43501566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11721561.6A Withdrawn EP2576926A1 (fr) | 2010-05-31 | 2011-05-27 | Dispositif de securite environnementale pour bac ou fosse de retention de produits dangereux tels que des produits inflammables et/ou toxiques, en particulier pour fosses ou bacs de retention d'huile pour transformateurs electriques |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2576926A1 (fr) |
BR (1) | BR112012030490A2 (fr) |
FR (1) | FR2960532B1 (fr) |
WO (1) | WO2011151270A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3020823B1 (fr) * | 2014-05-07 | 2019-07-26 | Gmt | Un systeme de recuperation de fluides pour une installation |
CN109795815B (zh) * | 2017-11-17 | 2023-11-17 | 西南科技大学 | 一种甲醇罐区自动隔离、排水和回收系统 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB117720A (fr) * | ||||
NL66784C (fr) | 1941-11-25 | |||
AT398305B (de) * | 1991-09-02 | 1994-11-25 | Purator Umwelttechnik Gmbh | Anlage zur reinigung von auf verkehrsflächen anfallendem abwasser |
JP2000511981A (ja) * | 1996-06-14 | 2000-09-12 | バルペルツ、アントニウス | 汚水導入用嵌装具 |
US6485639B1 (en) * | 1999-01-07 | 2002-11-26 | Solidification Products International, Inc. | Separation of hydrocarbons from hydrocarbon containing liquid |
US6503390B1 (en) | 2000-02-11 | 2003-01-07 | Solidification Products International, Inc. | Filtration of hydrocarbon containing liquid |
FR2919590B1 (fr) | 2007-07-30 | 2011-08-26 | Gmt | Capot de securite et ensemble de retention pour produits chimiques |
-
2010
- 2010-05-31 FR FR1054231A patent/FR2960532B1/fr active Active
-
2011
- 2011-05-27 EP EP11721561.6A patent/EP2576926A1/fr not_active Withdrawn
- 2011-05-27 WO PCT/EP2011/058767 patent/WO2011151270A1/fr active Application Filing
- 2011-05-27 BR BR112012030490A patent/BR112012030490A2/pt not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2011151270A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2011151270A1 (fr) | 2011-12-08 |
FR2960532A1 (fr) | 2011-12-02 |
FR2960532B1 (fr) | 2013-01-04 |
BR112012030490A2 (pt) | 2017-06-20 |
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