EP3427272A1 - Reservoir de dechets aspires - Google Patents
Reservoir de dechets aspiresInfo
- Publication number
- EP3427272A1 EP3427272A1 EP17710222.5A EP17710222A EP3427272A1 EP 3427272 A1 EP3427272 A1 EP 3427272A1 EP 17710222 A EP17710222 A EP 17710222A EP 3427272 A1 EP3427272 A1 EP 3427272A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pot
- tank according
- waste
- base
- assigned
- 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
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000002285 radioactive effect Effects 0.000 description 3
- 230000002028 premature Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/02—Treating gases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0071—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids with containers for ash, soot, contaminant or harmful materials
Definitions
- the subject of the invention is a tank of aspired waste, to be used in combination with a vacuum cleaner and whose interest is particularly marked for the storage of hazardous waste, radioactive for example.
- Industrial vacuum cleaners comprising a removable holding tank are already known.
- Some models include, as seen in Figures 1 and 2, a reservoir consisting of a filter canister 1, provided with respective connectors 2 and 3 to an inlet duct 41 and an outlet duct 42.
- a vacuum cleaner 43 is connected to the free end of the outlet duct 42 and draws outside air and surrounding solids to the filter can 1.
- the volume of the latter is divided into two parts by a filter 44 of cylindrical shape.
- the inlet connection 2 opens under the filter 44, in a lower volume 45 where the waste accumulates, while the air, rising from the sides and passing through the filter 44, leaves the filter container 1 through the connection 3 of Exit and continues its path to the vacuum cleaner 43.
- Such a device effective in itself, however, has the disadvantages that a large volume of the filter canister 1 remains unoccupied, and that the complete filling state is difficult to evaluate.
- the filter can 1 is disposable and set aside as soon as it is considered to be filled: this implies either under-filling and thus a waste of material and volume. storage, or over-filling which may result in accidental waste losses at the time of dismantling the filter container 1, if for example they occupied part of the volume of the inlet fitting 2. Finally, early clogging can occur.
- the main object of the invention is therefore to filter and collect solid waste while following in good conditions the filling of the reservoir, firstly its physical filling, possibly its radiological filling, for example by comparison with a threshold of radioactivity tolerated, and its degree of clogging.
- the invention is applicable to the aspiration of waste in the nuclear field, but not only.
- Another object of the invention is to limit the final size of the waste vacuumed by a judicious arrangement for a greater filling of the tank. Another is to maintain the radioactivity of nuclear waste at an acceptable level and therefore to limit the filling of the tank if necessary. Another is to work as much as possible away from the tank during disassembly, using tools such as remote manipulators.
- the invention in a general form, relates to a vacuum waste container, comprising a waste holding pot, fittings for vacuum ducts leading to the interior of the pot, a filter present in the pot between one of the fittings, affected to an air inlet in the tank, and another of the connections, assigned to an air outlet of the tank, characterized in that the filter comprises at least one flexible bag, the pot comprises a cylindrical portion in which slides a tray mobile, spring biased to the bag and separated from the fitting assigned to the air inlet by the bag, and the reservoir further comprises a tray position detection device.
- the reservoir may comprise a nozzle carrying the connections, the pot comprises a bottom wall, a cylindrical wall and a mouth of the pot opposite the bottom, the spring is compressed against the bottom, and means for assembling the pot under the endpiece. being at a position where the mouth is contiguous to the mouthpiece. This makes it possible to dispose of the pot alone at the end of filling, and to refill the mouthpiece for subsequent aspiration with a replacement pot.
- the reservoir may likewise comprise a base, means for assembling the pot on the base, the position detection device then belonging to the base.
- the assembly and disassembly and therefore the replacement of the pot are easy, without the detection device must be replaced.
- the pot includes a recess, surrounded by the spring and the tray, wherein the position sensing device is housed; and even more so that the depression is open, operated under the bottom of the pot, the position detection device mounted on the base, and the pot assembly means on the base comprise a centering of the pot by the detection device , and a simple support of the pot by an upper cover of the base: the pot can then be mounted on the base provided with measuring and control equipment simply by placing it on it, the detector ensuring the centering and maintenance in place of pot.
- the base still advantageously comprises, in the case of radioactive aspirated waste, a radioactivity detector.
- An easy mounting of the bag in the pot is realized if it comprises a removable flange, carrying a tapping assigned to the air inlet to an assembled state of the tank, comprising, at a first end, a junction with the and a bracket for attaching an opening of the flexible bag to a second end opposite the first end.
- the stitching is central on the flange, is divided into several branches each provided with a support for fixing an opening of a said respective flexible bag, the branches being distributed around a circumference of the connecting duct.
- the device may further comprise a latching cover on the mouth of the pot, and which therefore contributes to ensure a reliable and permanent containment of waste once the pot is removed from the rest of the tank.
- the pot advantageously comprises a perforated inner wall separating a volume remaining unoccupied from an expansion volume of the bag, in order to avoid premature clogging.
- FIG. 1, already described, represents a diagram of an industrial vacuum cleaner
- FIG. 2 the arrangement of a filter can
- FIGS. 3, 4 and 5 exploded views of the three main elements of a reservoir embodiment
- FIG. 6 illustrates in section the reservoir in the assembled state
- FIG. 7 an assembly element of the reservoir.
- the portion of the tank specially associated with the storage of waste comprises a pot 4 composed mainly of a casing 5 and a flange 6.
- the casing 5 comprises a cylindrical side wall 7, a bottom 8, and a mouth 9 superior opposed to the bottom 8.
- a cylindrical grid 10 extends inside the side wall 7, to which it is coaxial, and separates a peripheral annular volume from a main volume of the pot 4.
- the flange 6 comprises a central stitching 11, which is however divided into radiating branches at the lower end, and the ends of its branches support supports 12 for fastening 13 flexible filter bags.
- Figure 3 also shows a latching cover 14 on the flange 6, after the filling of the pot 4, preliminary to its final storage. It comprises a peripheral rim 15 capping the flange 6, and resilient claws 16 that can enter the central tapping 11 and then deploy while relaxing.
- the lid 14 however remains separated from the tank before, and especially during filling.
- FIG. 4 represents an upper nozzle, called an interface box 17, comprising an inlet duct connector 18, connectable to a vacuum duct such as the duct 41, and an outlet duct connector 19 such as the duct 42.
- the first is in the center of the tip 17, the second is eccentric.
- the connectors 18 and 19 are provided with pressure probes 20 and 21, which indicate the suction air and the discharge air pressure and can thus announce a risk of clogging.
- the interface box 17 is a second main module of the tank, which is assembled with a sealed engagement with the pot 4.
- Figure 5 shows a base 22 which is the third main module of the tank.
- the position detector 25 is a non-contact, magnetic detector for example, mounted in a rigid finger welded to the top cover 24.
- the inside of the envelope 5 of the pot 4 further comprises a mobile plate 31, which extends under the bags 13 and is also surrounded by the grid 10. It is hollowed at its center and crossed by a finger 32, pointing towards the inside, of the envelope 5, in which a housing opening towards the bottom is formed.
- the finger of the position detector 25 enters this housing and occupies it in the mounting state of the reservoir, which ensures the centering of the pot 4 on the base 22.
- the pot 4 is by elsewhere simply placed on the upper cover 24.
- the assembly of the interface box 17 with the pot 4 can be achieved by means of a cage 33 shown in Figure 7, comprising a plate 34 on which the pot 4 is placed by the bottom 8, and columns 35 screwed at their end each to the plate 34 and the interface box 17.
- the plate 34 is recessed at its center to leave room for the position detector 25.
- a spring 36 is disposed around the recess 32 in the casing 5. It is compressed between the bottom 8 and the plate 31 to push it upwards.
- the connector 18 completely crosses the interface box 17 and engages the central branching 11, while the interface box 17, whose bottom is recessed, communicates with the interior of the pot 4.
- the sealing of the volume and formed is provided by seals 37 and 38 disposed on the upper face and the peripheral face of the flange 11 and respectively compressed by the bottom of the interface box 17 and the top of the side wall 7.
- the waste When the suction is undertaken, the waste is sucked into the bags 13 and remain there, while the air passes through and returns to the interface box 17, before being discharged into the outlet 19; it always has the peripheral volume, beyond the grid 10, regardless of the swelling of the bags 13, to flow without clogging early, before the full filling of the bags 13.
- the position detector 25 which is at the height of the plate 31, during its entire downstroke, measures at any instant the height position of the plate 31 by a magnetic interaction variation and indicates in particular when the plate 31 and at its level the lowest, which means that pot 4 is full. An earlier termination of aspiration may however be decided if for example the dose rate probe 26 indicates that an excessive level of radioactivity will be reached.
- the pressure sensors 20 and 21 are also tracked. The results can be displayed on the interface 30 or transmitted remotely.
- the tank When the filling is completed, the tank is isolated from the rest of the vacuum by dismounting the conduits 4 and 5, then the upper screws of the columns 35 are removed, the interface box 17 is raised; and (by then proceeding advantageously by remote handling for this part of the most dangerous disassembly, the waste being then immediately accessible), the cover 14 is placed on the flange 6, and the pot 4 is lifted and carried away. We can then dispose of the pot 4 without risking its content. A new pot 4 is prepared and the tank is assembled again.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Basic Packing Technique (AREA)
- Refuse Receptacles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1652058A FR3048811B1 (fr) | 2016-03-11 | 2016-03-11 | Reservoir de dechets aspires |
PCT/EP2017/055637 WO2017153558A1 (fr) | 2016-03-11 | 2017-03-10 | Reservoir de dechets aspires |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3427272A1 true EP3427272A1 (fr) | 2019-01-16 |
EP3427272B1 EP3427272B1 (fr) | 2021-09-22 |
Family
ID=56263841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17710222.5A Active EP3427272B1 (fr) | 2016-03-11 | 2017-03-10 | Reservoir de dechets aspires |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3427272B1 (fr) |
FR (1) | FR3048811B1 (fr) |
WO (1) | WO2017153558A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2022250A (en) * | 1932-10-06 | 1935-11-26 | Electrolux Corp | Vacuum cleaner |
US2192224A (en) * | 1935-06-14 | 1940-03-05 | Electrolux Corp | Vacuum cleaner |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57122827A (en) * | 1981-01-21 | 1982-07-30 | Tokyo Shibaura Electric Co | Concentration type vacuum cleaning apparatus |
FR2718277B1 (fr) * | 1994-03-29 | 1996-06-14 | Fbfc | Dispositif d'aspiration de matières combustibles nucléaires. |
US5920955A (en) * | 1996-07-12 | 1999-07-13 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
JP2003080190A (ja) * | 2001-09-17 | 2003-03-18 | Toshiba Corp | 真空清掃設備及び掃除具 |
-
2016
- 2016-03-11 FR FR1652058A patent/FR3048811B1/fr active Active
-
2017
- 2017-03-10 EP EP17710222.5A patent/EP3427272B1/fr active Active
- 2017-03-10 WO PCT/EP2017/055637 patent/WO2017153558A1/fr active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2022250A (en) * | 1932-10-06 | 1935-11-26 | Electrolux Corp | Vacuum cleaner |
US2192224A (en) * | 1935-06-14 | 1940-03-05 | Electrolux Corp | Vacuum cleaner |
Non-Patent Citations (1)
Title |
---|
See also references of WO2017153558A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2017153558A1 (fr) | 2017-09-14 |
EP3427272B1 (fr) | 2021-09-22 |
FR3048811A1 (fr) | 2017-09-15 |
FR3048811B1 (fr) | 2019-05-03 |
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