EP3409372A1 - Dispositif et procédé de séparation de matériaux - Google Patents
Dispositif et procédé de séparation de matériaux Download PDFInfo
- Publication number
- EP3409372A1 EP3409372A1 EP17174187.9A EP17174187A EP3409372A1 EP 3409372 A1 EP3409372 A1 EP 3409372A1 EP 17174187 A EP17174187 A EP 17174187A EP 3409372 A1 EP3409372 A1 EP 3409372A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- range
- ion yield
- fastening column
- yield tips
- collection
- 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
- 239000000463 material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 27
- 239000002245 particle Substances 0.000 claims abstract description 42
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 238000010884 ion-beam technique Methods 0.000 claims abstract description 9
- 238000010292 electrical insulation Methods 0.000 claims abstract description 7
- 230000005684 electric field Effects 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/49—Collecting-electrodes tubular
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/10—Ionising electrode has multiple serrated ends or parts
Definitions
- the present invention relates to a device for separating materials in the form of particles and/or drops from a gas flow. Further, the present invention relates to a method for separating materials in the form of particles and/or drops from a gas flow.
- filters, cyclones, or electrical methods are used in gas purification systems and for separating particles from a gas flow.
- Methods and devices for separating particles or drops from a gas flow are e.g. known from DE 1471620 A1 and DE 19751984 A1 .
- Air purifiers that are currently being used have moved away from the conventional method of using filters in order to mechanically extract unwanted particles from air.
- Such conventional filtration systems suffer from the disadvantages that the air flow has to be limited to a slow flow stream and that the filter has to be periodically removed for cleaning.
- the operation of the cyclones is based on the decrease in the gas flow speed so that the heavy particles in the gas flow fall down into the collection organ. Cyclones are thus applicable for separating heavy particles.
- electric air purifiers exploit the properties of charges in ionised gas and use electrostatic means to extract the charged particles from a directed airflow. This method of extraction improves efficiency not only in terms of overall amount of particles being extracted but also the types of particles.
- An air purifier would typically exploit the properties of positively or negatively charged particles where an electric field would interact with these charged particles. The charged particles would respond to the electric field and be pulled towards the ion blow onto a collection surface.
- Document EP 1165241 B1 discloses a method and device for separating materials in the form of particles and/or drops from a gas flow, in which method the gas flow is directed through a collection chamber the outer walls of which are grounded, and in which high tension is directed to the ion yield tips arranged in the collection chamber, thus providing an ion flow from the ion yield tips towards the collection surface, separating the desired materials from the gas flow. It is characteristic of the invention that the collection surface conducting electricity are electrically insulated from the outer casings, and that high tension with the opposite sign of direct voltage as the high tension directed to the ion yield tips is directed to the collection surface.
- the electrical insulation is made of ABS
- the surface conducting electricity comprises a thin chrome layer arranged on the insulation layer.
- the ion yield tips are arranged in rings, with the help of which the distance between the ion yield tips and the collection surface is made shorter. Thus, some particles contained in the slow gas flow do not pass through the ion beams, but instead between the fastening rod and the ion yield tips.
- a device for separating materials in the form of particles and/or drops from a gas flow comprising an inlet for incoming air to be purified, a collection chamber, an outlet for the purified air, a voltage source with actuators, an fastening column to which ion yield tips have been coupled, the device is configured to direct high tension to the ion yield tips providing ion beams from the ion yield tips to the collection surface, the collection surface conducting electricity is electrically insulated from the outer wall of the collection chamber by an electrical insulation, and the device is configured to direct voltage of opposite sign to the ion yield tips than the voltage directed to the collection surface, wherein the ion yield tips are arranged directly on a surface of the fastening column having a length, wherein the ion yield tips protrude from the surface of the fastening column into a cavity of the collection chamber.
- a method of separating materials in the form of particles and/or drops from a gas flow comprising directing the gas flow through a collection chamber, providing a cavity for the gas flow between a fastening column and a collection surface conducting electricity that is electrically insulated from the outer wall of the collection chamber, providing ion yield tips on a surface of the fastening column, creating high tension between the ion yield tips and the collection surface providing ion yield tips on a surface of the fastening column having a length and a diameter, which ion yield tips protrude from the surface of the fastening column into the cavity of the collection chamber, directing high tension with the opposite sign of direct voltage than the high tension directed to the ion yield tips to the collection surface, separating inside the collection chamber at least a part of the materials from the gas flow.
- a system and a method of separating materials in the form of particles and/or drops from a gas flow are provided.
- separation of materials from a gas flow can be further improved.
- a high reduction efficiency can be achieved.
- a device according to certain embodiments of the invention using a fastening column with a diameter of 100 mm, using a voltage of 60 kV and using a current of 1400 ⁇ A has provided an excellent reduction efficiency, for example for particles having a size of greater than 50-200 nm.
- the reduction efficiency can be improved from about 70 % to about 80 % by means of certain embodiments of the invention.
- a suitable amount of ion yield tips can be arranged directly on the surface of the fastening column.
- the gas flow is exposed to an electric field in the cavity between the ion yield tips and the collection surface and all of the material contained in the gas flows through the cavity. There is no gas flow through rings outside the electric field.
- the reduction efficiency can be also improved for particles and/or drops the diameter of which varies from one nanometer to 10 nanometers or to 20 nanometers or to a few dozen nanometers.
- the system according to certain embodiments of the invention also improves the reduction efficiency of particles and/or drops with a diameter of less than 10 nanometers.
- the present invention relates to a device for separating materials in the form of particles and/or drops from a gas flow, the device comprising a chamber arranged within a housing providing an inlet and an outlet for an air flow.
- the housing provides a surface which serves as a collection surface.
- a column Inside the housing substantially at the centre is provided a column with a cylindrical or elliptical body.
- a series of ion yield tips is arranged for directing ion beams to the collection surface.
- the column is connected to a power supply that allows the ion yield tips to generate electric fields in the form of ion beams emanating from the ion yield tips.
- the housing and the column are isolated from each other and they can be connected to separate power supplies so that they possess different charges for the purpose of directing the electric fields.
- the column is typically at least partially a cylindrical body that has a surface defined by the diameter in its cross section and the length of the body.
- the dimensions of the column define the cross sectional area of a cavity between the column and the collection surface.
- the local velocity of the air flow in the cavity can be increased by increasing the diameter of the column.
- the larger the surface area the more ion yield tips can be arranged on the body, thereby increasing the electric field and current generated encapsulating the body. This allows greater exposure of the electric field for the particles contained in the air flow to be charged and then directed to the collection surface for removal.
- the high density of the electric field created inside the chamber improves the efficiency of extraction of the particles by extracting more particles from a fast flow of air. Furthermore, all particles included in the air flow have to pass through the cavity between the column and the collection surface.
- FIGURE 1 a schematic view of a device for separating materials in accordance with at least some embodiments of the present invention is illustrated.
- the device 1 is designed to separate materials in the form of particles and/or drops from a gas flow. Especially, the device is designed to separate particles and/or drops the diameter of which varies from one nanometer to a few dozen nanometers.
- the device comprises an inlet 2 for incoming air 3 to be purified, a collection chamber 4, an outlet 6 for the purified air 7, a voltage source with actuators, and a fastening column 9 to which ion yield tips 10 have been coupled.
- a metal band (not shown), which surrounds the outer wall of the collection chamber, is gounded.
- the fastening column 9 comprises outer surfaces forming a closed body.
- the device 1 is configured to guide an air flow through a cavity 14 between the fastening column 9 and a collection surface 12.
- the device 1 is further configured to direct high tension to the ion yield tips 10 providing ion beams 11 from the ion yield tips 10 to the collection surface 12.
- the collection surface 12 conducting electricity is electrically insulated from the outer wall 5 of the collection chamber 4 by an electrical insulation.
- the electrical insulation may be, for example, attached to the outer wall 5 of the collection chamber 4 with the help of fasteners (not shown).
- the electrical insulation may be glass, plastic, acrylic-nitrile-butadiene-styrene (ABS), or some other similar substance insulating high tension, for instance.
- the device 1 is configured to direct voltage of opposite sign to the ion yield tips 10 than the voltage directed to the collection surface 12.
- voltage with the opposite sign of direct voltage (positive in the figure) as the high tension directed to the ion yield tips 10 (negative in the figure) is directed to the surface 12 conducting electricity.
- the voltages are opposite, i.e. positive for the ion yield tips 10 and negative for the surface 12 conducting electricity, or negative for the ion producing tips 10 and positive for the surface 12 conducting electricity.
- the voltage of the ion yield tips 10 is substantially equal to that of the collection surface 12, but it is also possible to use voltages of different magnitude.
- the advantage of equal voltages is the simple structure of high tension centres. Better purification results have also been achieved with equal voltages.
- the ion yield tips 10 are arranged directly on a surface 13 of the fastening column 9 having a length L col and a diameter D col , wherein the ion yield tips 10 protrude from the surface 13 of the fastening column into a cavity 14 of the collection chamber 4.
- the dimensions of the fastening column 9 define the cross sectional area of the cavity 14 between the column and the collection surface.
- FIGURE 2 a schematic side view of a fastening column 9 in accordance with at least some embodiments of the present invention is illustrated.
- the diameter D col of the fastening column 9 may be in a range between 40 - 150 mm, for instance.
- the diameter D col of the fastening column may be e.g. 40 mm, 100 mm, or 150 mm.
- the ratio between the diameter D col and the maximum diameter of the collection chamber may be, for example, 1:3.
- the fastening column 9 may e.g. include 48 ion yield tips 10.
- the length of an ion yield tip 10 may be in a range between 2-15 mm, for instance.
- the length of an ion yield tip 10 may be e.g. 5 mm or 10 mm.
- the ion yield tips are arranged at an even distance relative to each other.
- the ion yield tips 10 are arranged spirally wound around the surface 13 of the fastening column 9.
- the volumetric flow rate of the air may be e.g. about 200 m 3 /h.
- the velocity of an air flow through the cavity 14 may be in a range between 0.5 - 2.5 m/s, for example 1.5 m/s.
- All particles and/or drops contained in the air flow pass through the cavity 14 between the collection surface 12 and the surface 13 of the fastening column 13. Consequently, all particles and/or drops pass through ion beams 11, thus improving the purifying process of the air.
- At least some embodiments of the present invention find industrial application in air purifiers and/or purifying air. Very suitable uses being particularly isolation rooms in hospitals, operating rooms, factories manufacturing microchips, and air intake in such rooms in which biological weapons have to be repelled. Of course, the present invention may also find application in purification of rooms in homes and offices.
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Priority Applications (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUE17174187A HUE056748T2 (hu) | 2017-06-02 | 2017-06-02 | Készülék és eljárás anyagok leválasztására |
SI201731019T SI3409372T1 (sl) | 2017-06-02 | 2017-06-02 | Naprava in postopek za ločevanje materialov |
DK17174187.9T DK3409372T3 (da) | 2017-06-02 | 2017-06-02 | Anordning og fremgangsmåde til separering af materialer |
HRP20211944TT HRP20211944T1 (hr) | 2017-06-02 | 2017-06-02 | Uređaj i postupak za razdvajanje materijala |
ES17174187T ES2900468T3 (es) | 2017-06-02 | 2017-06-02 | Dispositivo y método para separar materiales |
PT171741879T PT3409372T (pt) | 2017-06-02 | 2017-06-02 | Dispositivo e método para separar materiais |
PL17174187T PL3409372T3 (pl) | 2017-06-02 | 2017-06-02 | Urządzenie i sposób do oddzielania materiałów |
EP17174187.9A EP3409372B1 (fr) | 2017-06-02 | 2017-06-02 | Dispositif et procédé de séparation de matériaux |
LTEP17174187.9T LT3409372T (lt) | 2017-06-02 | 2017-06-02 | Medžiagų atskyrimo prietaisas ir būdas |
RU2019137108A RU2741418C1 (ru) | 2017-06-02 | 2018-05-14 | Устройство и способ отделения материалов |
CA3064503A CA3064503C (fr) | 2017-06-02 | 2018-05-14 | Dispositif et procede de separation de materiaux |
CN201880036420.1A CN110753584B (zh) | 2017-06-02 | 2018-05-14 | 用于分离材料的装置和方法 |
KR1020197034616A KR102357546B1 (ko) | 2017-06-02 | 2018-05-14 | 재료를 분리하기 위한 장치 및 방법 |
BR112019025098-0A BR112019025098B1 (pt) | 2017-06-02 | 2018-05-14 | Dispositivo de separação de materiais |
PCT/FI2018/050357 WO2018220261A1 (fr) | 2017-06-02 | 2018-05-14 | Dispositif et procédé de séparation de matériaux |
AU2018278288A AU2018278288B2 (en) | 2017-06-02 | 2018-05-14 | Device and method for separating materials |
JP2019566742A JP6949145B2 (ja) | 2017-06-02 | 2018-05-14 | 物質を分離するためのデバイスおよび方法 |
ZA2019/07645A ZA201907645B (en) | 2017-06-02 | 2019-11-19 | Device and method for separating materials |
SA519410676A SA519410676B1 (ar) | 2017-06-02 | 2019-11-28 | جهاز وطريقة لفصل المواد |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17174187.9A EP3409372B1 (fr) | 2017-06-02 | 2017-06-02 | Dispositif et procédé de séparation de matériaux |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3409372A1 true EP3409372A1 (fr) | 2018-12-05 |
EP3409372B1 EP3409372B1 (fr) | 2021-11-10 |
Family
ID=59067480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17174187.9A Active EP3409372B1 (fr) | 2017-06-02 | 2017-06-02 | Dispositif et procédé de séparation de matériaux |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP3409372B1 (fr) |
DK (1) | DK3409372T3 (fr) |
ES (1) | ES2900468T3 (fr) |
HR (1) | HRP20211944T1 (fr) |
HU (1) | HUE056748T2 (fr) |
LT (1) | LT3409372T (fr) |
PL (1) | PL3409372T3 (fr) |
PT (1) | PT3409372T (fr) |
SI (1) | SI3409372T1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4369525A1 (fr) | 2023-11-01 | 2024-05-15 | Genano Oy | Connexion haute tension |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1471620A1 (de) | 1963-08-19 | 1969-05-29 | Homap Etablissement | Vorrichtung zur Abscheidung fester und fluessiger Schwebeteilchen |
JPS5756056A (en) * | 1980-09-19 | 1982-04-03 | Fuji Electric Co Ltd | Electrostatic precipitator |
DE19751984A1 (de) | 1997-11-24 | 1999-05-27 | Abb Research Ltd | Verfahren zum Reinigen einer Abscheideelektrode eines Elektrofilters |
US20030061934A1 (en) * | 2001-10-03 | 2003-04-03 | Ilmasti Toni Niko | Method and apparatus to clean air |
EP1165241B1 (fr) | 1999-03-05 | 2009-10-28 | ILMASTI, Veikko | Procede et dispositif de separation, d'un courant de gaz, de materiaux sous forme de particules et/ou de gouttes |
-
2017
- 2017-06-02 ES ES17174187T patent/ES2900468T3/es active Active
- 2017-06-02 HU HUE17174187A patent/HUE056748T2/hu unknown
- 2017-06-02 SI SI201731019T patent/SI3409372T1/sl unknown
- 2017-06-02 PT PT171741879T patent/PT3409372T/pt unknown
- 2017-06-02 EP EP17174187.9A patent/EP3409372B1/fr active Active
- 2017-06-02 LT LTEP17174187.9T patent/LT3409372T/lt unknown
- 2017-06-02 HR HRP20211944TT patent/HRP20211944T1/hr unknown
- 2017-06-02 PL PL17174187T patent/PL3409372T3/pl unknown
- 2017-06-02 DK DK17174187.9T patent/DK3409372T3/da active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1471620A1 (de) | 1963-08-19 | 1969-05-29 | Homap Etablissement | Vorrichtung zur Abscheidung fester und fluessiger Schwebeteilchen |
JPS5756056A (en) * | 1980-09-19 | 1982-04-03 | Fuji Electric Co Ltd | Electrostatic precipitator |
DE19751984A1 (de) | 1997-11-24 | 1999-05-27 | Abb Research Ltd | Verfahren zum Reinigen einer Abscheideelektrode eines Elektrofilters |
EP1165241B1 (fr) | 1999-03-05 | 2009-10-28 | ILMASTI, Veikko | Procede et dispositif de separation, d'un courant de gaz, de materiaux sous forme de particules et/ou de gouttes |
US20030061934A1 (en) * | 2001-10-03 | 2003-04-03 | Ilmasti Toni Niko | Method and apparatus to clean air |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4369525A1 (fr) | 2023-11-01 | 2024-05-15 | Genano Oy | Connexion haute tension |
Also Published As
Publication number | Publication date |
---|---|
ES2900468T3 (es) | 2022-03-17 |
HUE056748T2 (hu) | 2022-03-28 |
SI3409372T1 (sl) | 2022-04-29 |
LT3409372T (lt) | 2022-01-10 |
DK3409372T3 (da) | 2021-12-20 |
PL3409372T3 (pl) | 2022-01-31 |
EP3409372B1 (fr) | 2021-11-10 |
HRP20211944T1 (hr) | 2022-04-01 |
PT3409372T (pt) | 2021-12-16 |
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