EP0876186A1 - Procede et appareil pour filtrer des substances liquides ou pateuses et/ou pour separer des composants inclus dans ces substances - Google Patents
Procede et appareil pour filtrer des substances liquides ou pateuses et/ou pour separer des composants inclus dans ces substancesInfo
- Publication number
- EP0876186A1 EP0876186A1 EP96940975A EP96940975A EP0876186A1 EP 0876186 A1 EP0876186 A1 EP 0876186A1 EP 96940975 A EP96940975 A EP 96940975A EP 96940975 A EP96940975 A EP 96940975A EP 0876186 A1 EP0876186 A1 EP 0876186A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substances
- envelope
- enclosure
- high frequency
- liquid
- 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- Withdrawn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
- 239000000126 substance Substances 0.000 title claims abstract description 62
- 239000007788 liquid Substances 0.000 title claims abstract description 46
- 238000001914 filtration Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 17
- 235000011837 pasties Nutrition 0.000 title claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000013529 heat transfer fluid Substances 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 description 12
- 239000012528 membrane Substances 0.000 description 10
- 230000003068 static effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4807—Handling the filter cake for purposes other than regenerating
- B01D24/4846—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
- B01D29/118—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration open-ended
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/39—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/39—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type
- B01D29/41—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type mounted transversely on the tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/74—Regenerating the filter material in the filter by forces created by movement of the filter element involving centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
- B01D29/865—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers by vibration of the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
- B01D33/09—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration with surface cells independently connected to pressure distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
- B01D33/39—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/68—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/16—Rotary, reciprocated or vibrated modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/043—Filter tubes connected to plates
- B01D2201/0446—Filter tubes connected to plates suspended from plates at the upper side of the filter elements
Definitions
- the present invention relates to a method for filtering liquid or pasty substances and / or for separating components and / or particles included in these substances, these substances being contained or passing through an enclosure of a filter and / or a separator
- It also relates to an apparatus for filtering liquid or pasty substances and / or for separating components of these substances and / or particles included in these substances, this apparatus comprising at least one enclosure containing the substances or traversed by them
- the filtration and / or separation processes as well as the apparatuses for implementing these processes are not always adapted to these particular characteristics of the substances to be treated, so that their efficiency is sometimes reduced as well as their yield.
- to be used to obtain acceptable results is often important, in particular for substances which are difficult to treat, such as substances which are very viscous or which are very charged with particles to be separated.
- the invention proposes to overcome these drawbacks by providing an improved method and apparatus which make it possible to increase the efficiency of the filtration and separation processes in significant proportions by promoting turbulent or laminar flow by reducing the viscosity. apparent of viscous liquids or liquids strongly charged with solid particles, and by reducing the shear stresses inside these liquids
- the frequency of the high frequency vibrations that are applied is between 15,000 and 40,000 Hz and preferably between 20,000 and 23,000 Hz
- said high frequency vibrations are applied by means of at least one sonotrode, by means of a fluid contained in a sealed envelope.
- said sealed peripheral envelope is disposed inside said enclosure containing said substances, the high frequency vibrations being transmitted to the substances through the walls of the envelope.
- said sealed envelope is disposed at least partially at the periphery of said enclosure, the high frequency vibrations being transmitted to the substances through the walls of the enclosure.
- the object of the invention is also achieved by the apparatus for implementing the method, characterized in that it comprises at least one device arranged to subject these substances to high frequency vibrations during the filtration operation and / or separation
- the device comprises at least one sonotrode arranged to apply said high frequency vibrations to said substances by means of a fluid contained in a sealed peripheral envelope
- said sealed peripheral envelope is disposed inside said enclosure containing said substances to be treated
- said sealed peripheral envelope is disposed outside of said enclosure, at least partially on the periphery of the latter, and constitutes a double jacket associated with said enclosure, the fluid contained in this envelope being directly in contact with the outer walls of the enclosure
- the apparatus may include a second envelope at least partially surrounding the double mantle, this second envelope being empty to concentrate the high frequency vibrations towards said sealed peripheral envelope
- the device comprises at least one filtration element mounted on a double bottom and / or on a support containing liquid and a sonotrode directly in contact with said liquid from the double bottom and / or from the support
- It can also include both a sonotrode directly in contact with a liquid contained in a sealed peripheral envelope and a sonotrode in contact with a liquid contained in a support member carrying at least one filtration element.
- FIG. 1 represents a first embodiment of a separator apparatus according to the invention
- FIG. 2 represents an alternative embodiment of the apparatus of FIG. 1
- FIG. 3 represents an embodiment of a filter candles according to the invention
- FIG. 4 represents another embodiment of a candle filter according to the invention
- FIG. 5 represents a partial view of an embodiment of a filter with vertical filter plates according to invention
- FIG. 6 represents an embodiment of a filter with horizontal filter plates according to the invention
- - FIG. 7 represents an embodiment of a filter with vertical filter plates according to the invention
- FIG. 8 represents a first embodiment of a rotary vane filter
- Figure 9 shows an alternative embodiment of the filter of Figure 8
- Figure 10 shows another embodiment of a ro drum filter
- FIG. 11 represents another embodiment of a filter according to the invention
- FIG. 12 represents a filter similar to that of FIG. 11, FIG. 13 represents a filter with continuous circulation, FIG. 14 represents another variant of a filter according to the invention, FIG. 15 represents a container intended to contain a homogenized substance, and FIG. 16 represents a static mixer
- the apparatus 10 represented by FIG. 1 is a separating apparatus which comprises a vessel 11 containing a liquid or pasty substance 12 which preferably consists of a mixture of components, such as for example a basic substance containing particles or bubbles of a gas, which should be fractionated or annihilated by cavitation induced by ultrasound These particles can, for example, be bacteria, the envelope of which can be destroyed by the action of ultrasound, and therefore neutralized
- the tank 11 Around the side wall, the tank 11 has a peripheral casing 13, to make a double-mantled tank.
- the peripheral casing 13 contains a liquid 14 such as water, oil used as a coolant, a cooling liquid, or similar
- the tank is provided with an inlet orifice 15 and a discharge orifice 16
- the peripheral casing 13 also has an inlet 17 and an outlet 18, the two orifices being able, moreover, to be interchanged
- a sonotrode 19 is mounted on the peripheral envelope 13 in such a way that it only comes into contact with the liquid 14 contained in this envelope. In this way, contact between the substance to be treated and the sonotrode is avoided, which avoids the production of special sonotrodes according to the substances 12 contained in the tank 11, to prevent corrosion
- the transmission of high frequency vibrations takes place very well via the liquid 14 in the substance 12
- the intensity of the vibrations depends on the power of the sonotrode chosen and the effect obtained can be different from case to case
- One of the effects may be the thinning of very viscous substances, i.e. a decrease in the apparent viscosity
- a second envelope 13a can be provided at the periphery of the first envelope. It can constitute a vacuum chamber for concentrating high frequency vibrations towards the product and limiting their loss to the outside
- FIG 2 shows an alternative embodiment of the device of Figure 1
- This device comprises as before a tank 1 1, containing a substance 12, an envelope 13 which does not contain liquid, but which could, as before be filled with 'a high frequency vibration transmission liquid, provided that an appropriate sonotrode is associated with this envelope.
- the upper part of the tank carries a sonotrode 19 which is associated with a dip tube 20 containing a liquid 21 for transmitting high frequency vibrations.
- This dip tube plunges into the substance to be treated 12 to which it transmits the vibrations.
- FIG. 3 represents an apparatus for filtering liquid or pasty substances more or less charged with components or solid particles which should be separated either to recover them or to eliminate them.
- This is a static filter with hanging candles.
- This type of filter well known as well for its applications in the laboratory or in industry, is simple to produce and has great efficiency as well as a very favorable price / quality ratio given the large filtration surface area which it presents, the absence of rotating parts and the possibility of working in a hermetically sealed enclosure.
- the filter 30 shown comprises an enclosure 31 inside which are suspended filter candles 32.
- the lower part of the enclosure is conical in shape for the recovery of the cake composed of the filtration residues. This recovery is indicated by arrow 33.
- the inlet of the substance to be filtered is represented diagrammatically by arrow 34 and the outlet of the filtrate is represented by arrow 35.
- the enclosure is surrounded by an envelope 36 which contains a liquid 37 for transmitting the high frequency vibrations generated by a sonotrode 19 which is mounted on the envelope to be directly in contact with the liquid 37
- a cover 38 enables the filtration chamber to be sealed
- the candles are erected instead of being suspended
- the operation of the filter is essentially the same in both cases, especially with regard to the transmission of high frequency vibrations
- the purpose of applying these vibrations is to fluidify the substance to be filtered, and considerably increases the efficiency of the filter by shaking the filter membranes to prevent premature clogging during the process.
- the solid particles are set in motion near the surface of the membranes and cannot agglomerate to block the passages of the filtrate
- the filtration and unclogging cycles can be spaced The filtration speed is increased
- FIG. 4 A variant of this construction is shown in FIG. 4. It will be noted that in this embodiment, the candles for filtering the candle filter 40 are associated with a double bottom 41 filled with a liquid 42 for transmitting the high frequency vibrations generated by a second sonotrode 43 This embodiment enables vibrations to the filter membranes to be transmitted very directly and with great efficiency
- FIG. 5 represents an alternative embodiment of a partially illustrated candle filter 50 according to which a filter candle 51 is directly suspended from a tube 52 filled with a liquid 53 which is in contact with a sonotrode 19 which generates high vibrations frequency Inside the candle is arranged a tube 54 for evacuating the filtrate which is sucked by a pump in the direction of the arrow 55 This assembly makes it possible to directly transmit the vibrations to the filtering membrane
- FIG. 6 represents a filter 60 with horizontal plates 61 mounted in a tank 62 surrounded by an envelope 63 which contains a liquid 64 for transmitting the high frequency vibrations generated by a sonotrode 19 mounted on said envelope
- these filters are static during the filtration operation.
- the plates, mounted on a central hollow shaft 65, are rotated by a motor 66 during the cleaning of the plates, the cake of residual substances being projected. by centrifugation against the interior walls and recovered at the bottom of the tank 62
- the filter 70 with vertical plates 71 represented by FIG. 7 is also of a type known per se.
- the enclosure 72 of the plate filter 70 is partially surrounded by an envelope 73 on which is mounted a sonotrode 19 arranged to transmit high frequency vibrations to a liquid 74 contained in said envelope
- the plates are preferably a series of membranes which are changed at each filtration cycle. This is why they are suspended from a support 75 carried by a mobile carriage which moves on rails of a frame. 77
- FIG. 8 represents a first embodiment of a filter 80 with a rotary vane.
- This filter consists of an enclosure 81 in which is mounted a filtration element 82, of the membrane or perforated plate or similar type, arranged horizontally, close from the bottom of this enclosure
- a rotary paddle 83 driven in rotation by a pin 84 mounted at the outlet of an electric motor 85, ensures mechanical mixing of the substance to be filtered just above the filter element 82
- the filtrate is discharged through a conduit 86 which is connected to the tank below the filter element and the residual material or cake is discharged laterally through a receiving chamber 87, the communication door 88 with the enclosure 81 can be opened
- the enclosure 81 is partially surrounded by an envelope 89 filled with a liquid which is directly in communication with a sonotrode 19 arranged to emit high frequency vibrations to the filter 80 and to its content
- FIG. 9 represents an alternative embodiment of the filter of FIG. 8 All the components mentioned above and which are found in this embodiment bear the same reference numbers. It will be noted that the sonotrode 19 is coupled to an envelope 93 which partially surrounds the conduit of evacuation 86 of the filtrate and which is filled with a liquid 94
- This arrangement of the sonotrode can be provided in addition to a sonotrode coupled to the casing 89 or as a replacement for the latter.
- the casing 89 preferably does not contain liquid 90, unless the latter is used for heating or cooling purposes
- FIG. 10 represents another form of filter called a rotary drum vacuum filter.
- This filter 100 comprises a tank 101 into which the substance to be filtered is poured, for example a suspension brought by a conduit 102
- This tank comprises a casing 103 containing a liquid and a sonotrode 19 is connected to this envelope.
- the filtrate is evacuated by the hub 104 of a rotary drum 105 subjected to vacuum and the peripheral wall of which is covered with a filtration membrane 106
- the filtration residues or cake are evacuated by a scraper 107 via a drainage device 108
- a drainage pipe 109 for the filtrate is connected to the hub 104
- a drainage pipe 110 is fitted to the bottom of the tank 101
- FIG. 11 represents a filter 120 comprising a container 121 provided with an envelope 122 containing a liquid 123 and to which a sonotrode 19 is connected.
- a support 124 carries a depth filter 125, such as for example sand.
- An overflow pipe 126 is mounted inside the container The filtrate is discharged through a pipe 127 which can be placed in communication with a rinsing pipe 128
- FIG. 12 represents a filter 130 substantially similar to the filter of the previous figure
- a filtration element 131, for example a membrane is mounted on an envelope 132 filled with a liquid 133 which is directly in contact with a sonotrode 19
- the filtrate is collected by a discharge pipe 134 coupled to a flushing pipe 135
- FIG. 13 represents a continuous circulation filter 140 composed of a container 141 divided into two chambers 142 and 143 separated by a filtration element 144
- the suspension to be treated is introduced through an orifice 145, the filtrate is evacuated through a conduit 146 and the concentrated solution escapes through an orifice 147
- An envelope 148 filled with a liquid 149 surrounds the container 141
- a sonotrode 19 is directly in contact with the liquid 149
- FIG. 14 represents a filter 150 comprising a container 151 in which is mounted a static filtration element 152 and a dynamic filtration element 153, driven in rotation about a vertical axis 154, by a driven shaft 155
- the container is surrounded by '' an envelope 156 containing a liquid 157 which is directly in contact with a sonotrode 19
- the filtrate is evacuated by conduits 158 and 159
- FIG. 15 represents a container 160 intended to contain a substance to be homogenized and / or from which it is advisable to separate components such as for example air bubbles II comprises an agitator 161 actuated in rotation by an electric motor 162 An envelope 163 is filled liquid which is directly in contact with a sonotrode 19
- FIG. 16 represents a static mixer 170 comprising a container 171 traversed by a substance penetrating through an orifice 172 and exiting through an orifice 173 Inside is mounted an assembly of grids or porous elements 174 An envelope 175 filled with a liquid 176 surrounds the container A sonotrode 19 is directly in contact with the liquid 176
- all constructions can include a second empty envelope which is intended to concentrate the vibrations of high frequency towards the inside of the separator or filter container to increase the treatment efficiency
- vibrations can, from case to case, be applied directly to the filter membranes to ensure permanent unclogging of these membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9515799 | 1995-12-18 | ||
FR9515799A FR2742352B1 (fr) | 1995-12-18 | 1995-12-18 | Procede et appareil pour filtrer des substances liquides ou pateuses et/ou pour separer des composants inclus dans ces substances |
PCT/CH1996/000443 WO1997022398A1 (fr) | 1995-12-18 | 1996-12-17 | Procede et appareil pour filtrer des substances liquides ou pateuses et/ou pour separer des composants inclus dans ces substances |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0876186A1 true EP0876186A1 (fr) | 1998-11-11 |
Family
ID=9486201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96940975A Withdrawn EP0876186A1 (fr) | 1995-12-18 | 1996-12-17 | Procede et appareil pour filtrer des substances liquides ou pateuses et/ou pour separer des composants inclus dans ces substances |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0876186A1 (fr) |
JP (1) | JP2000501651A (fr) |
FR (1) | FR2742352B1 (fr) |
WO (1) | WO1997022398A1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2769516A1 (fr) * | 1997-10-13 | 1999-04-16 | Andre Gabet | Nouveau dispositif de filtration a nettoyage automatique pour circuit de liquide |
US6395186B1 (en) * | 2000-06-20 | 2002-05-28 | Delaware Capital Formation, Inc. | Pressure liquid filtration with ultrasonic bridging prevention |
DE10050315C2 (de) | 2000-10-10 | 2003-08-21 | Uhde Gmbh | Verfahren zur Auflösung von Salzen in 1,2-Dichlorethan mittels Ultraschall und Vorrichtung zur Durchführung des Verfahrens |
DE20119909U1 (de) * | 2001-12-10 | 2002-08-08 | Lauth, Werner, 67483 Großfischlingen | Filterelement für Flüssigkeiten mit Verblockungsschutz |
US7445716B2 (en) | 2004-01-05 | 2008-11-04 | Eaton Lp | Crossflow pressure liquid filtration with ultrasonic enhancement |
US7846341B2 (en) | 2006-12-04 | 2010-12-07 | Bacoustics, Llc | Method of ultrasonically treating a continuous flow of fluid |
EP2402075A1 (fr) * | 2010-06-28 | 2012-01-04 | Bühler AG | Procédé et dispositif destinés à la fabrication de vésicules |
US8459121B2 (en) * | 2010-10-28 | 2013-06-11 | Covaris, Inc. | Method and system for acoustically treating material |
US9808778B2 (en) | 2012-05-31 | 2017-11-07 | Resodyn Corporation | Mechanical system that continuously processes a combination of materials |
US10130924B2 (en) | 2012-05-31 | 2018-11-20 | Resodyn Corporation | Mechanical system that fluidizes, mixes, coats, dries, combines, chemically reacts, and segregates materials |
US10967355B2 (en) | 2012-05-31 | 2021-04-06 | Resodyn Corporation | Continuous acoustic chemical microreactor |
ES2734516T3 (es) * | 2012-08-20 | 2019-12-10 | Resodyn Corp | Sistema y procedimiento mecánicos que procesan de manera continua una combinación de materiales |
US10835880B2 (en) | 2017-09-05 | 2020-11-17 | Resodyn Corporation | Continuous acoustic mixer |
WO2020086431A1 (fr) * | 2018-10-23 | 2020-04-30 | Moonshot Brewing Holdings, Inc. | Dispositif et procédé d'extraction d'analyte de sélection optimisé |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU32263A1 (fr) * | 1952-07-14 | |||
FI79471C (fi) * | 1987-12-02 | 1990-01-10 | Kari Uljas Laiho | Foerfarande och anordning foer rengoering av ett filter avsett foer filtrering av vaetskeformiga substanser. |
FR2638659B1 (fr) * | 1988-11-07 | 1992-06-12 | Framatome Sa | Appareil de filtration comportant un dispositif de decolmatage par ultrasons et procede de decolmatage correspondant |
DE4228618A1 (de) * | 1992-08-28 | 1994-03-03 | Hoechst Ag | Reaktor zum Durchführen von chemischen Reaktionen |
-
1995
- 1995-12-18 FR FR9515799A patent/FR2742352B1/fr not_active Expired - Fee Related
-
1996
- 1996-12-17 JP JP09522389A patent/JP2000501651A/ja active Pending
- 1996-12-17 EP EP96940975A patent/EP0876186A1/fr not_active Withdrawn
- 1996-12-17 WO PCT/CH1996/000443 patent/WO1997022398A1/fr not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9722398A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2742352A1 (fr) | 1997-06-20 |
JP2000501651A (ja) | 2000-02-15 |
FR2742352B1 (fr) | 1998-02-27 |
WO1997022398A1 (fr) | 1997-06-26 |
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