WO2018139083A1 - 集塵装置およびその粉塵払落方法 - Google Patents
集塵装置およびその粉塵払落方法 Download PDFInfo
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- WO2018139083A1 WO2018139083A1 PCT/JP2017/044532 JP2017044532W WO2018139083A1 WO 2018139083 A1 WO2018139083 A1 WO 2018139083A1 JP 2017044532 W JP2017044532 W JP 2017044532W WO 2018139083 A1 WO2018139083 A1 WO 2018139083A1
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- Prior art keywords
- cylindrical filter
- dust
- filter
- dust collector
- discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/69—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
Definitions
- the present invention relates to a dust collector and a dust removal method thereof, and more particularly, to a dust collector including a pulse jet dust removal mechanism for removing dust attached to a cylindrical filter, and such a dust collector.
- the present invention relates to a method for dust removal from a filter in an apparatus.
- a dust collector that removes dust from a dust-containing gas containing dust with a filter, it is equipped with a pulse jet type dust removal mechanism that ejects compressed air in a pulse form from the discharge part to remove dust attached to the filter.
- a pulse jet type dust removal mechanism that ejects compressed air in a pulse form from the discharge part to remove dust attached to the filter.
- the present invention has been made in view of the above points, and is a pulse jet dust remover that can evenly remove dust over the entire length of the tubular filter without increasing the pressure loss of the tubular filter. It is an object of the present invention to provide a dust collector provided with a dropping mechanism and a dust removing method in such a dust collector.
- a dust collector equipped with a pulse jet dust removal mechanism for removing dust attached to a cylindrical filter wherein the pulse jet dust removal mechanism is A first discharge section having a first discharge nozzle for discharging a pulse jet from the one end side opening of the cylindrical filter toward the inside of the cylindrical filter; A second discharge section having a second nozzle that discharges a pulse jet from the other end side of the cylindrical filter toward an opening on one end side of the cylindrical filter, and the second discharge nozzle Is provided on the distal end side of a pipe line extending from one end side to the other end side of the cylindrical filter,
- the dust collector characterized by this is provided.
- a member that increases the pressure loss of the filter in the internal space of the cylindrical filter is not disposed, and is further opposed from the both ends of the cylindrical filter toward the internal space of the cylindrical filter. Since the pulse jet is discharged, the dust can be uniformly removed over the entire length of the cylindrical filter without increasing the pressure loss of the cylindrical filter.
- the pipe has a reversing path provided at a tip portion, and the second discharge nozzle is provided at a tip of the reversing path.
- the discharge nozzle of the dust jetting pulse jet can be arranged at a position facing the filter with a simple configuration.
- the inversion path has a substantially U shape.
- the said pipe line is arrange
- the conduit is disposed outside the cylindrical filter;
- the inversion path extends through the filter on the other end side of the cylindrical filter into the internal space of the cylindrical filter.
- the second discharge nozzle has a tapered shape.
- the pressure and speed of the pulse jet to be discharged are increased by the tapered discharge nozzle.
- the higher-speed pulse jet reaches farther, and the higher-speed pulse jet takes in more ambient air, thereby improving the dust removal effect.
- the second discharge nozzle has an expanded shape.
- the ejected pulse jet spreads due to the expanded shape of the nozzle, and a dust removal effect can be obtained in a wider range inside the filter.
- the reversing path has a tip end branched into a plurality of portions, and a second discharge nozzle is provided in each of the portions.
- the second discharge unit is configured integrally with the cylindrical filter and is configured to be detachable integrally from the dust collector.
- the dust collector comprises a cell plate that separates a dust chamber and a clean air chamber, and a filter frame for attaching the cylindrical filter to the cell plate,
- the filter frame has a protrusion complementary to a hole formed on one end side of the cylindrical filter,
- the cylindrical filter is detachably attached to the dust collector by fitting the protrusion into the hole.
- the discharge position of the pulse jet and the center position of the filter can be aligned reliably and easily, and an effective dust removal effect by the pulse jet can be obtained.
- a dust removal method in any of the above dust collectors A discharging step of discharging a pulse jet from the first discharge section and the second discharge port and removing dust from the cylindrical filter, the discharge of the pulse jet from the first discharge section;
- the discharge of the pulse jet from the two discharge units includes a removal step that starts with a time difference, A dust removal method is provided.
- the pressure increase portion generated by the collision of the two pulse jets can be changed, so that dust at a specific portion of the filter can be surely removed.
- a dust collector equipped with a pulse jet dust removal mechanism that can uniformly remove dust over the entire length of the cylindrical filter without increasing the pressure loss of the cylindrical filter, and A dust removal method in such a dust collector is provided.
- FIG. 1 is a plan view of a filter frame of the dust collector of FIG.
- FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2. It is a top view of the filter upper plate of the dust collector of FIG. It is a typical longitudinal cross-sectional view which shows the structure of the filter vicinity of the dust collector of FIG. It is typical drawing which shows the modification of a dust removal mechanism. It is typical drawing which shows the modification of a dust removal mechanism. It is typical drawing which shows the modification of a dust removal mechanism. It is typical drawing which shows the modification of a dust removal mechanism. It is a plane surface of the modification of FIG. It is typical drawing which shows the modification of a dust removal mechanism. It is typical drawing which shows the modification of a dust removal mechanism.
- the dust collector of this embodiment is a dust collector equipped with a pulse jet dust removal mechanism that removes dust adhering to the cylindrical filter.
- FIG. 1 is a schematic cross-sectional view showing a configuration of a dust collecting apparatus 100 including a pulse jet dust removal mechanism of the present embodiment.
- the dust collector 100 includes a housing 1.
- the internal space of the housing 1 includes a dust chamber 4 into which dust-containing air containing dust is introduced by a cell plate 2 as a partition plate, and a clean air chamber 6 into which clean air from which dust has been removed is introduced. It is divided into.
- a plurality of (three in the present embodiment) cylindrical filter 10 with a bottom is attached to the cell plate 2 which is a partition plate via a filter frame 8.
- the filter 10 has a pleated shape and has a structure for collecting dust by filtering on the outer surface of the filter cloth.
- the present invention is not limited to the filter having this structure, and other structures such as a filter using a cylindrical filter cloth may be used.
- FIG. 2 is a plan view of the filter frame 8
- FIG. 3 is a cross-sectional view taken along line III-III in FIG.
- FIG. 4 is a plan view of the cylindrical filter 10.
- the filter frame 8 is formed with a circular opening 8 a having a size suitable for the outer diameter of the cylindrical filter 10.
- projections 16 are formed at a predetermined angle (120 degrees in the present embodiment).
- the cylindrical filter 10 includes a filter upper plate 12 on one end side.
- the filter upper plate 12 is an annular frame-shaped member formed of plastic, metal or the like, and is used for fixing complementary to the protrusions 16 of the filter frame 8 at a predetermined angular interval (in this embodiment, an interval of 120 degrees).
- a hole 14 is provided.
- the cylindrical filter 10 is arranged so that the filter upper plate 12 is aligned with the opening of the filter frame 8, and the projection 16 on the outer edge of the opening 8 a of the filter frame 8 is formed in the hole 14 of the filter upper plate 12. It is attached to the filter frame 8 by fitting.
- the tubular filter 10 is formed by fitting the filter frame 8 to which the tubular filter 10 is attached into a filter frame attachment member (not shown) provided on the cell plate 2. It will be attached to the cell plate 2 via. With such a configuration, the dust-containing air on the dust chamber 4 side flows into the clean air chamber 6 through the filter 10.
- the dust collector 100 of this embodiment includes a pulse jet type dust removing mechanism that removes dust adhering to the cylindrical filter 10.
- the pulse jet dust removal mechanism includes a first discharge unit 18 and a second discharge unit 20.
- the first discharge unit 18 is configured to discharge a pulse jet from the opening on one end side of the cylindrical filter 10 toward the inside of the cylindrical filter. Specifically, the first discharge unit 18 is disposed above the cell plate 2, a manifold 22 disposed substantially parallel to the cell plate 2, and a plurality of first discharge nozzles formed in the manifold 22. 24.
- the first discharge nozzle 24 is on one end side of the cylindrical filter 10 (the filter upper plate side, ie, the filter frame side), and its discharge port is directed toward the inside of the cylindrical filter 10 on the central axis of the cylindrical filter 10.
- the compressed air supplied via the manifold 22 is discharged from the opening on one end side of the tubular filter 10 toward the inside of the tubular filter 10 as a pulse jet.
- the first end of the manifold 22 is provided with a first air tank 26 and a first electromagnetic valve 28 having an air valve.
- the first discharge unit 18 is configured to supply compressed air to the first discharge nozzle 24 via the manifold 22 by a first air tank 26 and a first electromagnetic valve 28.
- the second discharge unit 20 is configured to discharge a pulse jet from the other end side of the cylindrical filter 10 toward an opening on one end side of the cylindrical filter 10.
- the second discharge unit 20 includes a pipe line 30 extending from one end side to the other end side of the internal space of the tubular filter 10 and a second discharge nozzle 32 provided at the tip of the pipe line 30.
- the pipe line 30 has a substantially U-shaped reversing path 30a on the distal end side (the other end side), and a second discharge nozzle 32 is provided at the distal end of the reversing path 30a.
- the inversion path 30a has a substantially U-shape that reverses while drawing a curve, that is, curving.
- the pipe line 30 has a substantially J-shaped shape.
- the pipe line 30 is disposed so as to extend along (in contact with) the inner peripheral surface of the tubular filter 10, and the second discharge nozzle 32 has a discharge port at the tip thereof at the center (on the center axis line) of the tubular filter 10. ) And is configured to open toward one end side opening of the tubular filter 10.
- the discharge port of the first discharge nozzle 24 and the discharge port of the second discharge nozzle 32 are arranged to face each other on the central axis of the cylindrical filter 10.
- the upper end of the pipe line 30 is directly connected to a manifold 34 provided with a second electromagnetic valve 36 having an air valve, and communicates with a second air tank 38.
- positioned in the state about several mm away, or the structure connected with the manifold 34 using some joint member may be sufficient.
- the second discharge nozzle 32 is formed integrally with the conduit 30.
- the second discharge nozzle 32 may be formed as a separate member that is detachable from the conduit 30.
- the discharge port of the first discharge nozzle 24 and the discharge port of the second discharge nozzle 32 are disposed to face each other on the central axis of the cylindrical filter 10.
- the pulse jet from the upper first discharge nozzle 24 and the pulse jet from the lower second discharge nozzle 32 can collide with each other in front to efficiently increase the pressure in the internal space of the cylindrical filter 10.
- the pipe line 30 is disposed in the internal space of the cylindrical filter 10 in a state of being in contact with the inner surface of the cylindrical filter 10.
- protrusions are provided on the upper and lower ends of the pipe line 30 and holes or recesses are provided on the cylindrical filter 10 side, which are complementary to the pipe side protrusions.
- the pipe line 30 is connected to the tubular filter 10 by being fitted to each other.
- the pipe 30 may be fixed to the internal space of the tubular filter 10 so as to extend in contact with the inner peripheral surface of the tubular filter 10 using another fixing member.
- the pipe line 30 is connected to the pulse jet from the upper first discharge nozzle 24 and the lower first nozzle. This is unlikely to be an obstacle to the pulse jet from the second discharge nozzle 32.
- the dust-containing air supplied to the dust chamber 4 is sucked into the clean air chamber 6 through the cylindrical filter 10 as in the conventional case, and at that time, by the cylindrical filter 10. Collects dust.
- dust gradually adheres to the outer surface (side surface of the dust chamber) of the cylindrical filter 10, and the differential pressure across the cylindrical filter 10 increases.
- this differential pressure exceeds a set value, or when the operation time exceeds a predetermined time regardless of the differential pressure, a dust removal operation is performed.
- the first and second electromagnetic valves 28 and 36 are opened for a predetermined time, and are arranged at an externally upper position of the cylindrical filter 10 and an internal position of the cylindrical filter 10 facing this. Compressed air is discharged as a pulse jet from the first and second discharge nozzles 24 and 32 which are the pulse jet discharge portions.
- the compressed air discharged in this manner collides in the internal space of the cylindrical filter 10, increases the internal pressure of the cylindrical filter 10, and can evenly remove dust over the entire length of the cylindrical filter 10. .
- the pressure of the compressed air is not reduced by such a member.
- the opening start times of the first and second solenoid valves 28 and 36 may be the same, but the start times have a time difference, that is, the compressed air ejection start time from the first discharge nozzle 24 and the second The ejection start time of the compressed air from the discharge nozzle 32 may be shifted.
- the collision position of the compressed air from the two discharge nozzles is determined by the length of the cylindrical filter. Can be changed in direction.
- the cylinder is moved while continuously moving the internal pressure rising point. It becomes possible to perform dust removal uniformly over the entire inner surface of the filter 10.
- a cartridge filter having a length of 540 mm is used as the cylindrical filter 10 and the deviation of the start time of the upper and lower pulses is 150 ms, 100 ms, 50 ms, 0 ms (simultaneous), ⁇ 50 ms, ⁇ 100 ms, and ⁇ 150 ms.
- the dust on the entire inner peripheral surface of the filter could be effectively removed.
- the discharge is performed from the first discharge nozzle 24 at the external position of the cylindrical filter 10 and the second discharge nozzle 32 disposed at the internal position of the filter facing the first discharge nozzle 24.
- the compressed air mass can collide with the inside of the cylindrical filter 10, and dust can be uniformly removed over the entire length of the cylindrical filter 10.
- the reversing path 30a of the pipe line 30 of the second discharge unit 20 is substantially U-shaped while drawing a curve, that is, curved, but the reversing path is the second provided at the tip. Any configuration may be used as long as the discharge port of the discharge nozzle 32 opens toward one end of the cylindrical filter 10.
- the reversing path 40 a may be a reversing path 40 a that is linearly reversed from the path 40 in a “U” shape that opens upward.
- a second discharge nozzle 42 is provided at the tip of the reversing path 40 a so that the discharge port opens toward one end of the cylindrical filter 10.
- FIG. 7 it may be an inverted path 50 a having an inverted T-shape that is branched (branched) into two left and right parts at the tip of the path 50.
- a second discharge nozzle 52 is provided at the tip of each branching portion of the reversing path 50a so that the discharge port opens toward one end of the cylindrical filter 10.
- the pipe line 30 is arranged in the internal space of the cylindrical filter 10, but is not limited to this arrangement.
- the pipe line 60 may be disposed outside the cylindrical filter 10 so as to extend from one end side to the other end side of the cylindrical filter 10.
- the inversion path 60a of the pipe line extends through the bottom wall of the cylindrical filter 10, and the tip part thereof is disposed so as to be located at the center of the internal space of the cylindrical filter 10, and is arranged at the tip of the inversion pipe line 60a.
- a second discharge nozzle 62 is provided.
- the upper end of the pipe line 60 is supported by the filter upper plate 12 disposed at one end of the cylindrical filter 10.
- the tip of the second discharge nozzle has the same diameter as the pipe line, but the second discharge at the tip of the reverse path of the paths 70 and 80 as in the configuration of FIGS.
- the nozzles 72 and 82 may have a tapered shape or an expanded shape.
- the pulse jet discharge portions are provided above and below the cylindrical filter, but the shape of the filter is not limited to the cylindrical shape.
- the shape of the filter is not limited to the cylindrical shape.
- it may be a cylindrical filter (so-called flat filter) having an elongated rectangular cross section and closed at the lower end.
- dust collector 1 casing 2: cell plate 4: dust chamber 6: clean air chamber 8: filter frame 10: cylindrical filter 12: filter upper plate 14: hole 16: protrusion 18: first discharge portion 20: 2nd discharge part 22: Manifold 24: 1st discharge nozzle 26: 1st air tank 28: 1st solenoid valve 30: Pipe line 30a: Inversion path 32: 2nd discharge nozzle 34: Manifold 36: 1st 1 solenoid valve 38: second air tank
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Abstract
Description
筒状フィルタに付着した粉塵を除去するパルスジェット式粉塵払落機構を備えている集塵装置であって、前記パルスジェット式粉塵払落機構が、
前記筒状フィルタの一端側開口から前記筒状フィルタの内部に向けてパルスジェットを吐出する第1の吐出ノズルを有している第1の吐出部と、
前記筒状フィルタの他端側からパルスジェットを前記筒状フィルタの一端側開口に向けて吐出する第2のノズルを有している第2の吐出部と、を備え、該第2の吐出ノズルが、前記筒状フィルタの一端側から他端側に延びる管路の先端側に設けられている、
ことを特徴とする集塵装置が提供される。
前記管路が、先端部に設けられた反転経路を有し、前記第2の吐出ノズルが前記反転経路の先端に設けられている。
前記反転経路が略U字形状を有している。
前記管路が、清浄空気が導入される空間である前記筒状フィルタの内部空間に配置されている。
前記管路が、前記筒状フィルタの外部に配置され、
前記反転経路が、前記筒状フィルタの他端側でフィルタを貫通して筒状フィルタの内部空間に延びている。
前記第2の吐出ノズルが、先細り形状を有している。
前記第2の吐出ノズルが、拡開形状を有している。
前記反転経路は先端側が複数の部分に枝分かれし、該部分のそれぞれに第2の吐出ノズルが設けられている。
前記第2の吐出部が、前記筒状フィルタと一体的に構成され前記集塵装置から一体的に着脱可能に構成されている。
前記集塵装置が、粉塵室と清浄空気室を区切るセルプレートと、該セルプレートに前記筒状フィルタを取付けるためのフィルタ枠とを備え、
前記フィルタ枠は、前記筒状フィルタの一端側に形成された孔部と相補的な突起を有し、
前記筒状フィルタは、前記孔部に前記突起を嵌合させることにより、前記集塵装置に着脱自在に取付けられる。
前記第1の吐出部および第2の吐出口からパルスジェットを吐出させ前記筒状フィルタから粉塵を払落す払落しステップであって、前記第1の吐出部からのパルスジェットの吐出と、前記第2の吐出部からのパルスジェットの吐出とが、時間差を有して開始される払落しステップを備えている、
ことを特徴とする粉塵払落方法が提供される。
前記時間差が変更されながら実行される。
図1に示されているように、集塵装置100は、筐体1を備えている。筐体1の内部空間は、仕切り板であるセルプレート2によって、粉塵が含まれた含塵空気が導入される粉塵室4と、粉塵が除去された清浄空気が導入される清浄空気室6とに区画されている。
このような構成により、粉塵室4側の含塵空気が、フィルタ10を介して、清浄空気室6に流入することになる。
しかしながら、管路30を、他の固定部材を用いて筒状フィルタ10の内周面に接して延びるように筒状フィルタ10の内部空間に固定した構成でもよい。
集塵運転を継続すると、筒状フィルタ10の外表面(粉塵室側面)に次第に粉塵が付着し、筒状フィルタ10前後の差圧が上昇する。この差圧が設定値以上になったとき、あるいは差圧に関係なく運転時間が所定時間を超えたときには、粉塵払落作業が行なわれる。
本実施態様では、筒状フィルタ10の内部空間に、空気の流れを阻害する部材が配置されてりないため、圧縮空気の圧力が、このような部材によって減少させられることがない。
1:筐体
2:セルプレート
4:粉塵室
6:清浄空気室
8:フィルタ枠
10:筒状フィルタ
12:フィルタ上部皿
14:孔部
16:突起
18:第1の吐出部
20:第2の吐出部
22:マニホールド
24:第1の吐出ノズル
26:第1エアタンク
28:第1の電磁弁
30:管路
30a:反転経路
32:第2の吐出ノズル
34:マニホールド
36:第1の電磁弁
38:第2エアタンク
Claims (12)
- 筒状フィルタに付着した粉塵を除去するパルスジェット式粉塵払落機構を備えている集塵装置であって、前記パルスジェット式粉塵払落機構が、
前記筒状フィルタの一端側開口から前記筒状フィルタの内部に向けてパルスジェットを吐出する第1の吐出ノズルを有している第1の吐出部と、
前記筒状フィルタの他端側からパルスジェットを前記筒状フィルタの一端側開口に向けて吐出する第2のノズルを有している第2の吐出部と、を備え、該第2の吐出ノズルが、前記筒状フィルタの一端側から他端側に延びる管路の先端側に設けられている、
ことを特徴とする集塵装置。 - 前記管路が、先端部に設けられた反転経路を有し、前記第2の吐出ノズルが前記反転経路の先端に設けられている、
請求項1に記載の集塵装置。 - 前記反転経路が略U字形状を有している、
請求項2に記載の集塵装置。 - 前記管路が、清浄空気が導入される空間である前記筒状フィルタの内部空間に配置されている、
前記1ないし3のいずれか1項に記載の集塵装置。 - 前記管路が、前記筒状フィルタの外部に配置され、
前記反転経路が、前記筒状フィルタの他端側でフィルタを貫通して筒状フィルタの内部空間に延びている、
請求項1ないし3のいずれか1項に記載の集塵装置。 - 前記第2の吐出ノズルが、先細り形状を有している、
請求項1ないし5のいずれか1項に記載の集塵装置。 - 前記第2の吐出ノズルが、拡開形状を有している、
請求項1ないし5のいずれか1項に記載の集塵装置。 - 前記反転経路は先端側が複数の部分に枝分かれし、該部分のそれぞれに第2の吐出ノズルが設けられている、
請求項1ないし7のいずれか1項に記載の集塵装置。 - 前記第2の吐出部が前記筒状フィルタと一体的に構成され、前記集塵装置から一体的に着脱可能に構成されている、
請求項1ないし8のいずれか1項に記載の集塵装置。 - 前記集塵装置が、粉塵室と清浄空気室を区切るセルプレートと、該セルプレートに前記筒状フィルタを取付けるためのフィルタ枠とを備え、
前記フィルタ枠は、前記筒状フィルタの一端側に形成された孔部と相補的な突起を有し、
前記筒状フィルタは、前記孔部に前記突起を嵌合させることにより、前記集塵装置に着脱自在に取付けられる、
請求項1ないし9のいずれか1項に記載の集塵装置。 - 請求項1ないし請求項10のいずれか1項に記載の集塵装置における粉塵払落方法であって、
前記第1の吐出部および第2の吐出口からパルスジェットを吐出させ前記筒状フィルタから粉塵を払落す払落しステップであって、前記第1の吐出部からのパルスジェットの吐出と、前記第2の吐出部からのパルスジェットの吐出とが、時間差を有して開始される払落しステップを備えている、
ことを特徴とする粉塵払落方法。 - 前記時間差が変更されながら実行される、
請求項11に記載の粉塵払落方法。
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CN201780084408.3A CN110248717B (zh) | 2017-01-24 | 2017-12-12 | 集尘装置和该集尘装置的除尘方法 |
BR112019014105-7A BR112019014105B1 (pt) | 2017-01-24 | 2017-12-12 | Coletor de poeira, e, método de remoção de poeira |
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US20200009490A1 (en) | 2020-01-09 |
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US11260334B2 (en) | 2022-03-01 |
KR20190104421A (ko) | 2019-09-09 |
CN110248717B (zh) | 2022-02-22 |
TW201829046A (zh) | 2018-08-16 |
MX2019008703A (es) | 2019-09-16 |
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