CN116672829B - FFU high-efficient filter equipment - Google Patents
FFU high-efficient filter equipment Download PDFInfo
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- CN116672829B CN116672829B CN202310969390.2A CN202310969390A CN116672829B CN 116672829 B CN116672829 B CN 116672829B CN 202310969390 A CN202310969390 A CN 202310969390A CN 116672829 B CN116672829 B CN 116672829B
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- filter element
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- 238000001914 filtration Methods 0.000 claims abstract description 47
- 238000012423 maintenance Methods 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 239000010410 layer Substances 0.000 description 21
- 239000000428 dust Substances 0.000 description 13
- 206010010904 Convulsion Diseases 0.000 description 9
- 230000036461 convulsion Effects 0.000 description 9
- 239000008187 granular material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000009960 carding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention relates to the technical field of filtering equipment, in particular to an FFU efficient filtering device which solves the problem of poor filtering effect in the prior art and comprises a shell, a control system, a motor mounting frame, an air suction blade assembly, a primary filtering assembly and a high-level filtering assembly.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to an FFU efficient filtering device.
Background
The FFU English is called as Fan Filter Unit, the Chinese professional term is a motor Filter Unit, and has the advantages of long working time, low noise, no maintenance, small vibration, stepless speed regulation, uniform wind speed, convenient installation and the like, can be connected and used in a modularized manner, and is widely applied to occasions such as dust-free rooms, dust-free operation tables, dust-free production lines, assembled dust-free rooms, local hundred-level dust-free workshops and the like.
Patent grant bulletin number: CN217887337U discloses a high-efficient filter of FFU with improve structure, including high-efficient filter, there is the box at high-efficient filter's top through M screw threaded connection, the equal fixedly connected with flange limit of avris at box top, the middle part fixedly connected with air inlet frame on box top, the inner chamber joint of air inlet frame has just effective filter, the top of air inlet frame is covered with the screen panel, the inner chamber fixedly connected with mounting panel of box, the top fixed mounting of mounting panel has the motor, the fixed surface at box top installs three speed regulation controller. The flange is connected to the side of the box body to replace a traditional L angle, so that the equipment can be integrally suspended and fixed on the frame, a certain space is reserved on the equipment to replace and overhaul the primary filter, 50 cm to 80 cm clearance is not required to be lifted upwards, the connection between the efficient filter and the box body is changed from original natural compression and mechanical compression into the connection through the M screw rod from bottom to top in a threaded manner, and the efficient filter replacement personnel can operate in a clean room, so that the efficient filter replacement device is convenient and practical.
However, in addition to the primary filter, the lower part of the box body of the conventional FFU efficient filter is also provided with the efficient filter, however, whether the primary filter or the filtering layer in the efficient filter is composed of a single-layer material filtering layer, the air is conveyed through the motor to pass through the filtering layer, so that larger particles carried in the air are intercepted, and the interception effect of the single-layer material filtering layer is poor, so that the filtering effect of the filtering device is poor.
Disclosure of Invention
Therefore, the invention provides an FFU high-efficiency filtering device, which mainly solves the problem of poor filtering effect in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a FFU high-efficient filter equipment, includes casing, control system, motor mounting bracket, convulsions blade subassembly, elementary filter unit and senior filter unit, the casing includes that the lower part has open-ended last casing, upper portion has open-ended lower casing, go up the casing and pass through coupling assembling and lower casing and dismantle the connection for form a cavity in the casing, the upper surface middle part of going up the casing is equipped with the air intake, in the motor mounting bracket was located the casing, the motor is located on the motor mounting bracket, convulsions blade subassembly is located on the output of motor, and distributes in air intake department, elementary filter unit locates on the motor mounting bracket to distribute in convulsions blade subassembly's week side, realize the one-level filtration, the lower surface of lower casing is equipped with the air outlet, senior filter unit locates air outlet department, realizes the secondary filtration, the high-grade filtering component comprises an upper frame, a lower frame, a filter element frame, a first flexible filter element, a second flexible filter element and a screen, wherein the periphery of the lower frame is locked on a lower shell through bolts, the screen is fixedly arranged on the lower surface of the lower frame, at least three lower supporting frames are arranged on the upper surface of the lower frame at intervals along the transverse direction, the lower supporting frames are distributed along the longitudinal direction, a supporting roller is rotatably arranged at the upper end of each lower supporting frame, the first flexible filter element is paved on the lower frame, the two transverse sides of the first flexible filter element are fixed on the lower frame along the edges, the middle part of the first flexible filter element is abutted against the supporting roller, so that the first flexible filter element forms wave crest and wave trough parts which are sequentially connected, the upper frame is arranged on the lower frame, at least three upper supporting frames are arranged on the lower surface of the upper frame at intervals along the transverse direction, each upper support frame is distributed along the longitudinal direction, the upper support frames and the lower support frames are distributed in a staggered manner, cover plates are arranged on the upper frames and located between two adjacent upper support frames, an insertion opening is formed between two adjacent cover plates and located at the upper support frames, each upper support frame comprises two side faces distributed on two longitudinal side edges of the upper frames and a bottom face connected with the bottom ends of the two side faces, an elastic piece is arranged on the bottom face and abuts against the trough portion of the first flexible filter element, sliding grooves distributed along the vertical direction are formed in the side faces, the filter element frame is of a frame structure, protruding strips are arranged on two longitudinal side faces of the filter element frame, the filter element frame is connected with the sliding grooves in a sliding mode, the filter element frame is embedded in the upper support frame, the upper portion of the filter element frame penetrates out of the insertion opening, and the second flexible filter element is arranged on the filter element frame.
Further, the motor mounting frame comprises a mounting rod vertically and fixedly arranged on the inner surface of the upper shell and a mounting plate arranged at the lower end of the mounting rod, the cavity is divided into an upper cavity and a lower cavity through the mounting plate, a mounting hole for mounting the motor is formed in the middle of the mounting plate, at least three through holes are formed in the mounting plate and encircle the periphery of the mounting hole, mounting seats are formed in the periphery of each through hole, and the lower ends of the primary filtering components are clamped on the mounting seats.
Further, primary filter component includes by the plastics material and be the last base of annular structure, lower base, lid locate the last base on the base, connect a plurality of root connecting rod and the third flexible filter core of base and lower base, the connecting rod is including distributing the first connecting rod on last base outer edge and distributing the second connecting rod on last base inner edge, form the filter core groove between first connecting rod and the second connecting rod, the third flexible filter core inlays and locates the filter core inslot, be equipped with the card structure of forming the card and putting the connection down on base and the mount pad.
Further, the clamping structure comprises two protruding blocks arranged on the lower end edge of the lower base, a protruding ring arranged on the lower base and located on the upper side of the protruding blocks, and two clamping grooves arranged on the inner surface of the mounting seat and respectively used for sliding the protruding blocks, wherein the two protruding blocks are distributed on the same diameter of the lower base, the clamping grooves comprise annular grooves formed in the middle of the inner surface of the mounting seat in a surrounding mode, one end of each connecting annular groove, an external leading-in groove and clamping blocks arranged in the annular grooves, the leading-in grooves are distributed along the axial direction of the mounting seat, the clamping blocks are distributed on one side away from the leading-in grooves, the annular grooves are formed into first annular grooves connected with the leading-in grooves through the clamping blocks, and the protruding blocks are clamped in the clamping grooves when the lower base is clamped and connected with the connecting seat.
Further, a first inclined surface is arranged on one side surface, close to the first annular groove, of the clamping block, a second inclined surface is arranged on one side surface, close to the clamping groove, of the clamping block, the inclination angle of the first inclined surface is smaller than that of the second inclined surface, and the height dimension of the clamping block is smaller than the depth dimension of the annular groove.
Further, the exhaust blade assembly comprises an upper plate body with an annular structure, a lower plate body with a plate-shaped structure, a plurality of supporting rods for connecting the upper plate body with the lower plate body, an upper blade arranged on the lower surface of the upper plate body and a lower blade arranged on the upper surface of the lower plate body, wherein the upper blade and the lower blade are of arc-shaped structures.
Further, the upper blades and the lower blades are distributed in a staggered mode, and the curvature radius of the upper blades is smaller than that of the lower blades.
Furthermore, a guide cover with a curved surface structure is arranged on the lower side of the mounting plate, and the orthographic projection area of the guide cover covers the orthographic projection area of each through hole.
Further, a baffle is arranged on the upper surface of the upper support frame and positioned on two lateral sides of the insertion port, and the side surface of the baffle is propped against the first flexible filter element.
Further, maintenance ports are formed in the upper surface of the upper shell and located on two lateral sides of the air inlet, a maintenance door is arranged on each maintenance port, and a handle is arranged on each maintenance door.
By adopting the technical scheme, the invention has the beneficial effects that:
this high-efficient filter equipment of FFU, motor drive convulsions blade subassembly rotates for outside air enters into in the cavity through the air intake. And the wind direction is changed into radial flow by axial flow along updraft blade subassembly to striking on primary filter element, realizing the one-level filtration, make great granule dust in the air by screening, so forward acting on primary filter element, can guarantee the filtration pressure, and the impact mode of side direction, make filterable great granule dust can drop the sediment, reduce the surface that is attached to primary filter element, so can maintain better filter effect, rethread advanced filter element realizes the secondary filter, very big promotion filter effect. Specifically, because the setting of apron to the apron distributes in the vertical middle part of second flexible filter core, makes the inside and appearance chamber of second flexible filter core can communicate advanced filter assembly, through the filterable air of one-level, its inside carries less granule dust, acts on the side on the second flexible filter core upper portion on the filter core frame, and flows through the inside of second flexible filter core, makes the dust deposit in the flexible filter core of second, realizes once filtering. The lower part of rethread second flexible filter core discharges, enter into the inside of advanced filter assembly to act on the upper surface of first flexible filter core, because the setting of last support frame and lower support frame on upper frame, the lower frame makes first flexible filter core form crest portion and the trough portion that connects gradually, and the upper end of lower support frame rotationally is equipped with the backing roll, and the lower extreme of upper support frame sets up the elastic component and supports in trough department, makes first flexible filter core can follow horizontal fluctuation in single crest portion and trough portion department. When the air that flows acts on the upper surface of first flexible filter core, make first flexible filter core produce regular vibration by this effort, form the filter layer that can breathe, so can drive the dust that is attached to on the crest portion region of first flexible filter core to the regional slip of trough portion, guarantee the filtration performance in crest portion region to regular vibration is favorable to the circulation of air, improves filter effect and filtration efficiency.
Drawings
Fig. 1 is a schematic elevational view of an embodiment of the present invention.
Fig. 2 is a schematic top view of an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 4 is a schematic top view of an advanced filter assembly in an embodiment of the invention.
Fig. 5 is a schematic left-hand view of an advanced filter assembly in an embodiment of the invention.
Fig. 6 is a partial enlarged view at a in fig. 3.
Fig. 7 is a schematic left-hand view of a connecting assembly according to an embodiment of the present invention.
Fig. 8 is a schematic perspective view of a clamping structure according to an embodiment of the invention.
FIG. 9 is a schematic cross-sectional view of a self-regulating pneumatic valve in an embodiment of the present invention.
FIG. 10 is a schematic cross-sectional view of a flexible filter element in an embodiment of the invention.
FIG. 11 is a schematic top view of an air extraction blade assembly in accordance with an embodiment of the invention.
Fig. 12 is a schematic top view of a primary filter assembly according to an embodiment of the invention, with the upper base and upper base plate omitted.
Fig. 13 is a schematic sectional structure of another state of the embodiment of the present invention.
Reference numerals illustrate:
1. a housing; 11. an upper housing; 12. a lower housing; 13. an air inlet; 14. an air outlet; 15. a maintenance port; 16. maintaining the door; 17. a handle;
2. a motor;
3. a motor mounting rack; 31. a mounting rod; 32. a mounting plate; 33. a mounting hole; 34. a through hole; 103. an upper chamber; 104. a lower chamber; 10. a mounting base; 20. a guide cover; 30. a baffle;
4. an air extraction blade assembly; 41. an upper plate body; 42. a lower plate body; 43. a support rod; 44. an upper blade; 45. a lower blade;
5. a primary filter assembly; 51. an upper base; 52. a lower base; 53. an upper substrate; 54. a third flexible filter element; 55. a first connecting rod; 56. a second connecting rod; 57. a cartridge slot; 110. a bump; 120. a convex ring; 130. an annular groove; 131. a first annular groove; 132. a clamping groove; 140. an introduction groove; 150. a clamping block; 151. a first inclined surface; 152. a second inclined surface;
6. an advanced filtration assembly; 61. an upper frame; 62. a lower frame; 63. a filter element frame; 64. a first flexible filter element; 65. a second flexible filter element; 66. a screen; 67. an upper support frame; 68. a lower support frame; 69. a support roller; 671. A side surface; 672. a bottom surface; 673. a chute; 674. a convex strip; 101. a peak portion; 102. trough parts; 103. an upper chamber; 104. a lower chamber; 105. a first protective layer; 106. a second protective layer; 107. a filter layer;
40. pressure compensating ports; 50. a connecting pipe; 60. an air pump; 70. self-regulating air pressure valve; 701. a valve body; 702. a valve stem; 703. a valve plate; 704. a return spring; 705. an inlet; 706. an outlet; 707. a flow passage; 708. a valve seat; 709. a through hole; 80. an air pressure sensor; 90. a cover plate;
7. a connection assembly; 71. a guide groove; 72. a barrier strip; 73. a positioning block; 74. a first idler assembly; 75. a second idler assembly; 76. a third idler assembly; 201. an upper roller; 202. a lower roller; 203. a roller seat; 204. a spring;
8. an insertion port;
9. an elastic member.
Detailed Description
The invention will now be further described with reference to the drawings and detailed description.
The embodiment of the invention comprises the following steps:
referring to fig. 1 to 5, an FFU efficient filtering apparatus comprises a housing 1, a control system, a motor 2, a motor mounting frame 3, an air suction blade assembly 4, a primary filtering assembly 5 and a high-level filtering assembly 6, wherein the air suction blade assembly 4, the primary filtering assembly 5 and the high-level filtering assembly 6 are defined to extend along the length direction of the housing 1 to be in a transverse direction, the air suction blade assembly 4 extends along the width direction of the housing 1 to be in a longitudinal direction, the housing 1 comprises an upper housing 11 with an opening at the lower part and a lower housing 12 with an opening at the upper part, the upper housing 11 is detachably connected with the lower housing 12 through a connecting assembly 7, a cavity is formed in the housing 1, an air inlet 13 is arranged in the middle of the upper surface of the upper housing 11, the motor mounting frame 3 is arranged in the upper housing 11, the motor 2 is arranged on the motor mounting frame 3, the air suction blade assembly 4 is arranged at the output end of the motor 2 and distributed at the air inlet 13, the air suction blade assembly 4 is driven to rotate by the motor 2, the outside air is pumped into the cavity through the air inlet 13, the wind direction is changed from axial flow along the air suction blade assembly 4 to radial flow, the primary filter assembly 5 is arranged on the motor mounting frame 3 and distributed on the periphery side of the air suction blade assembly 4 to realize primary filtration, the lower surface of the lower shell 12 is provided with the air outlet 14, the advanced filter assembly 6 is arranged at the air outlet 14 to realize secondary filtration, the advanced filter assembly 6 comprises an upper frame 61, a lower frame 62, a filter element frame 63, a first flexible filter element 64, a second flexible filter element 65 and a screen 66, the periphery of the lower frame 62 is locked on the lower shell 12 through bolts, the screen 66 is fixedly arranged on the lower surface of the lower frame 62, three lower support frames 68 are distributed on the upper surface of the lower frame 62 at intervals along the transverse direction, each lower support frame 68 is distributed along the longitudinal direction, the upper end of each lower support frame 68 rotationally is equipped with backing roll 69, first flexible filter core 64 lays on lower frame 62 to the horizontal both sides of first flexible filter core 64 are fixed in on lower frame 62 along being fixed in, and the middle part of first flexible filter core 64 supports and leans on backing roll 69, make first flexible filter core 64 form crest portion 101 and trough portion 102 that connect gradually, upper frame 61 is located on lower frame 62, the lower surface of upper frame 61 is equipped with four upper support frames 67 along horizontal direction interval distribution, each upper support frame 67 distributes along the longitudinal direction, upper support frames 67 and lower support frame 68 crisscross distribution, upper frame 61 is last and be located two adjacent upper support frames 67 are equipped with apron 90 between, make between two adjacent apron 90 and be located upper support frames 67 department and form inserted port 8, each upper support frame 67 all is including distributing on two sides 671 and the bottom 672 of connecting both sides 671 bottom in proper order, be equipped with elastic component 9 on the bottom 672, elastic component 9 is the spring, elastic component 9 supports and is equipped with four upper support frames 67 along the longitudinal direction along the filter core 67, and is equipped with the boss 63 along the longitudinal direction of two filter core 67 supports 63, and two supports 67 are equipped with the boss 63 on the filter core 67, and the filter core 63 are connected to slide groove 63.
This FFU high-efficient filter equipment, motor 2 drives convulsions blade subassembly 4 rotation, make the outside air enter into the cavity through air intake 13, and the wind direction changes radial flow by axial flow along convulsions blade subassembly 4, thereby strike on primary filter subassembly 5, realize the one-level filtration, make the great granule dust in the air be sieved, the forward direction is acted on primary filter subassembly 5 like this, can guarantee the filtration pressure, and the side direction striking mode, make the filterable big granule dust can drop the sediment, reduce to be attached to primary filter subassembly 5's surface, so can maintain better filter effect, rethread advanced filter subassembly 6, realize the secondary filtration, very big promotion filter effect, in particular, because the setting of apron 90, and apron 90 distributes in the vertical middle part of second flexible filter core 65, the second flexible filter element 65 can be communicated with the inside of the advanced filter assembly 6 and the containing cavity, the air subjected to primary filtration carries smaller particle dust in the air, the air acts on the side surface of the upper part of the second flexible filter element 65 on the filter element frame 63 and flows through the inside of the second flexible filter element 65, so that dust is deposited in the second flexible filter element 65 to realize primary filtration, the dust is discharged through the lower part of the second flexible filter element 65 and enters the inside of the advanced filter assembly 6 and acts on the upper surface of the first flexible filter element 64, the first flexible filter element 64 forms a crest part 101 and a trough part 102 which are connected in sequence due to the arrangement of the upper support frame 67 and the lower support frame 68 on the upper frame 61 and the lower support frame 62, the upper end of the lower support frame 68 is rotatably provided with a support roller 69, the lower end of the upper support frame 67 is provided with an elastic piece 9 which is abutted against the trough part 102, the first flexible filter element 64 can transversely fluctuate at the positions of the single wave crest part 101 and the wave trough part 102, when flowing air acts on the upper surface of the first flexible filter element 64, the acting force enables the first flexible filter element 64 to generate regular vibration to form a breathable filter layer, so that dust attached to the wave crest part 101 area of the first flexible filter element 64 can be driven to slide towards the wave trough part 102 area, the filtering performance of the wave crest part 101 area is guaranteed, the regular vibration is beneficial to air circulation, and the filtering effect and the filtering efficiency are improved.
And, the motor mounting frame 3 includes the mounting rod 31 that sets firmly perpendicularly on the internal surface of upper casing 11 and locates mounting plate 32 of mounting rod 31 lower extreme, divides the cavity into upper chamber 103 and lower cavity 104 through mounting plate 32, the middle part of mounting plate 32 is equipped with the mounting hole 33 that is used for installing motor 2, on the mounting plate 32 and encircle in the week side of mounting hole 33 and be equipped with six through-holes 34, the week edge of each through-hole 34 is equipped with mount pad 10, and the lower extreme card of each primary filter assembly 5 is placed on mount pad 10, through the rotation of convulsions leaf subassembly 4 for the wind direction changes radial flow from axial flow along convulsions leaf subassembly 4, and the air that a part flows strikes primary filter assembly 5 on mounting plate 32, and filters through one side of primary filter assembly 5 towards convulsions leaf subassembly 4, and enters into lower cavity 104 through-hole 34, and the other part is filtered by the back of primary filter assembly 5 after passing striking the internal surface of upper casing 11 between two primary filter assemblies 5, and the air through two primary filter assemblies 5 can drive primary filter assembly 5's air and break away from its adhesion phenomenon, further improves the filter effect of avoiding.
Specifically, referring to fig. 8 and 12, the primary filter assembly 5 includes an upper base 51, a lower base 52, an upper base 53, six connecting rods and a third flexible filter element 54, wherein the upper base 51 and the lower base 52 are made of plastic materials and are in a ring structure, the six connecting rods are arranged on the upper base 51 in a covering manner, the connecting rods include a first connecting rod 55 distributed on the outer edge of the upper base 51 and a second connecting rod 56 distributed on the inner edge of the upper base 51, a filter element groove 57 is formed between the first connecting rod 55 and the second connecting rod 56, the third flexible filter element 54 is embedded in the filter element groove 57, a clamping structure is arranged on the lower base 52 and the mounting seat 10 to form clamping connection, the clamping structure includes two protruding blocks 110 arranged on the lower end edge of the lower base 52, a convex ring 120 arranged on the lower base 52 and positioned on the upper side of the protruding blocks 110, two clamping grooves which are arranged on the inner surface of the mounting seat 10 and respectively allow the protruding blocks 110 to slide, the two protruding blocks 110 are distributed on the same diameter of the lower base 52, the clamping groove comprises an annular groove 130 which is annularly arranged in the middle of the inner surface of the mounting seat 10, a leading-in groove 140 which is used for connecting one end of the annular groove 130 with the outside, and a clamping block 150 which is arranged in the annular groove 130, the leading-in groove 140 is distributed along the axial direction of the mounting seat 10, the clamping block 150 is distributed on one side far away from the leading-in groove 140, the annular groove 130 forms a first annular groove 131 which is connected with the leading-in groove 140 and a clamping groove 132 through the clamping block 150, when the lower base 52 is clamped and connected with the connecting seat 10, the protruding block 110 is clamped in the clamping groove 132, a first inclined surface 151 is arranged on one side surface of the clamping block 150 which is close to the first annular groove 131, a second inclined surface 152 is arranged on one side of the clamping block 150 which is close to the clamping groove 132, the inclination angle of the first inclined surface 151 is smaller than that of the second inclined surface 152, and the height dimension of the clamping block 150 is smaller than the depth dimension of the annular groove 130.
During installation, two lugs 110 on the lower base 52 are respectively embedded into the guide grooves 140 on the installation seat 10, slide into the annular groove 130 along the guide grooves, rotate along the annular groove 130, and are guided by the first inclined surface 151 of the clamping block 150, so that the lugs 110 are lifted, and are embedded into the clamping grooves 132 due to elastic deformation of plastics, the installation of the installation seat 10 and the primary filter assembly 5 is realized, and during disassembly, the lugs 110 are guided along the second inclined surface 152 of the clamping block 150 through reverse rotation, and elastic deformation of the plastics is formed to be separated from the clamping grooves.
Specifically, referring to fig. 11, the exhaust vane assembly 4 includes an upper plate 41 having a ring structure, a lower plate 42 having a plate structure, six support rods 43 connecting the upper plate 41 and the lower plate 42, an upper vane 44 disposed on the lower surface of the upper plate 41, and a lower vane 45 disposed on the upper surface of the lower plate 42, wherein the upper vane 44 and the lower vane 45 are all in an arc structure, the upper vane 44 and the lower vane 45 are distributed in a staggered manner, and the radius of curvature of the upper vane 44 is smaller than that of the lower vane 45, so that the exhaust vane assembly 4 rotates, and when the wind direction is changed from the axial direction to the radial direction, a flow splitting layer with a difference between the upper and lower flow velocities is formed, thus, in the impact primary filter assembly 5, a turbulent flow effect can be better formed, and the filtering effect is improved.
It is worth noting that, the downside of mounting panel 32 is equipped with the kuppe 20 that is curved structure, the orthographic projection area of kuppe 20 covers in the orthographic projection area of each through-hole 34, through the setting of kuppe 20 for the air that gets into lower cavity 104 realizes radial direction's direction and flows, and the medial surface rebound by lower casing 12 again, makes the air can equipartition on the upper surface of high-order filter assembly 6, improves filtration efficiency, and, be equipped with separation blade 30 on the upper surface of upper support frame 67 and be located the horizontal both sides of inserted hole 8, the side of separation blade 30 supports and leans on second flexible filter core 65, avoids the dust of precipitation to pile up in second flexible filter core 65 week side, influences the filter effect.
Further, the upper surface of the upper housing 11 and the two lateral sides of the air inlet 13 are provided with maintenance openings 15, each maintenance opening 15 is provided with a maintenance door 16, the maintenance doors 16 are provided with handles 17, and the maintenance doors 16 are opened to maintain or disassemble and clean the primary filter assembly 5 in the upper chamber 103, so that the convenience of use is improved.
Referring to fig. 10, the first flexible filter element 64, the second flexible filter element 65 and the third flexible filter element 54 described above each include a first protection layer 105, a second protection layer 106 and a filter layer 107 disposed between the first protection layer 105 and the second protection layer 106, where the first protection layer 105 and the second protection layer 106 are both polypropylene spunbond nonwoven fabrics, the gram weights of the first protection layer 105 and the second protection layer 106 are 32 g/square meter, the filter layer 107 includes a body made of polypropylene staple fibers, and a high-fluffy and porous structure is formed by mechanical carding and mechanical screening, and the gram weight of the filter layer 107 is 130 g/square meter, so that the protection layer has a better penetrating effect, and the high-fluffy and porous structure on the filter layer 107 can ensure the filtration deposition of dust, and can ensure the penetrability of air and improve the filtering effect.
In this embodiment, referring to fig. 13, the air pressure balancing assembly is further included, the air pressure balancing assembly includes a pressure compensating port 40 disposed on a side surface of the lower housing 12 and communicated with the lower chamber 104, a connecting pipe 50 connected to the pressure compensating port 40, an air pump 60 connected to another end of the connecting pipe 50, and a self-adjusting air pressure valve 70 disposed on the mounting plate 32 and located at the through hole 34, the control system includes a controller disposed on the housing 1 and an air pressure sensor 80 disposed in the lower chamber 104, the air pressure sensor 80 is electrically connected with an input end of the controller, and the air pump 60, the motor 2 are electrically connected with an output end of the controller.
Referring to fig. 9, the self-adjusting pneumatic valve 70 includes a valve body 701, a valve rod 702, a valve plate 703 and a return spring 704, wherein the valve body 701 is provided with an inlet 705, an outlet 706 and a flow passage 707 connecting the inlet 705 and the outlet 706, the valve body 701 is provided with a valve seat 708 at the position of the flow passage 707, the valve seat 708 is provided with a through hole 34 communicating the inlet 705 and the outlet 706, the valve rod 702 is slidably arranged on the valve seat 708, the return spring 704 is sleeved on the valve rod 702, and two ends of the return spring 704 are respectively connected with the valve rod 702 and the valve seat 708.
Since the advanced filter assembly 6 is configured to filter air by pressure difference between two sides, it is necessary to ensure the pressure in the lower chamber 104, detect the air pressure in the lower chamber 104 by the air pressure sensor 80, blow air by the air pump 60 when the detected air pressure is low, ensure the pressure in the lower chamber 104, and in order to prevent air in the lower chamber 104 from flowing back into the upper chamber 103, by the arrangement of the self-adjusting air pressure valve 70, when the pressure in the lower chamber 104 is greater than the pressure in the upper chamber 103, the flow is reduced or even closed by the self-adjusting air pressure valve 70, backflow is limited, and meanwhile, the motor 2 continues to rotate to drive the air suction blade assembly 4 to rotate, so that the pressure in the upper chamber 103 is further increased, thereby opening the self-adjusting air pressure valve 70 for filtering, and when the detected air pressure is large, closing the air pump 60.
In this embodiment, referring to fig. 6 and 7, the connection assembly 7 includes a connection member disposed on two lateral sides of the upper housing 11, a connection mating member disposed on an upper end edge of two lateral sides of the lower housing 12, and through the cooperation of the connection member and the connection mating member, the upper housing 11 and the lower housing 12 longitudinally slide relatively, so as to realize the detachable connection between the upper housing 11 and the lower housing 12, where the connection member includes a guide groove 71 distributed along the longitudinal direction and having a U-shaped structure, and a blocking strip 72 distributed on an upper side of the guide groove 71, where the blocking strip 72 is distributed at intervals with the guide groove 71, and a positioning block 73 is disposed in the guide groove 71; the connecting fitting piece comprises a first guide wheel assembly 74, a second guide wheel assembly 75 and a third guide wheel assembly 76 which are respectively arranged at the longitudinal front end and the longitudinal rear end, wherein the third guide wheel assembly 76 is arranged between the first guide wheel assembly 74 and the second guide wheel assembly 75, the ratio of the distance dimension between the first guide wheel assembly 74 and the third guide wheel assembly 76 to the distance dimension between the second guide wheel assembly 75 and the third guide wheel assembly 76 is 6:1, the first guide wheel assembly 74, the second guide wheel assembly 75 and the third guide wheel assembly 76 respectively comprise an upper roller 201 propped against the lower surface of the barrier strip 72, a lower roller 202 propped against the bottom surface of the guide groove 71 and a roller seat 203 for mounting the upper roller 201 and the lower roller 202, and a spring 204 is arranged between the lower roller 202 on the second guide wheel assembly 75 and the roller seat 203.
The first guide wheel assembly 74, the second guide wheel assembly 75 and the third guide wheel assembly 76 which are arranged on the connecting fitting piece slide along the guide groove 71 which is of a U-shaped structure on the connecting piece and the stop bars 72 which are distributed on the upper side of the guide groove 71, so that the lower shell 12 is embedded into the upper shell 11, and the lower roller 202 of the second guide wheel assembly 75 can be lifted and passed through the positioning block 73 through the spring 204 on the second guide wheel assembly 75, and is clamped between the second guide wheel assembly 75 and the third guide wheel assembly 76 through the positioning block 73 to realize fixation.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An FFU high-efficiency filtering device, which is characterized in that: comprises a shell, a control system, a motor mounting frame, an exhaust blade assembly, a primary filter assembly and a high-grade filter assembly, wherein the shell comprises an upper shell with an opening at the lower part and a lower shell with an opening at the upper part, the upper shell is detachably connected with the lower shell through a connecting assembly, a cavity is formed in the shell, an air inlet is formed in the middle part of the upper surface of the upper shell, the motor mounting frame is arranged in the upper shell, the motor is arranged on the motor mounting frame, the exhaust blade assembly is arranged at the output end of the motor and distributed at the air inlet, the primary filter assembly is arranged on the motor mounting frame and distributed at the periphery of the exhaust blade assembly, the primary filter is realized, an air outlet is formed in the lower surface of the lower shell, the high-grade filter assembly is arranged at the air outlet, the secondary filter is realized, the high-grade filtering component comprises an upper frame, a lower frame, a filter element frame, a first flexible filter element, a second flexible filter element and a screen, wherein the periphery of the lower frame is locked on a lower shell through bolts, the screen is fixedly arranged on the lower surface of the lower frame, at least three lower supporting frames are distributed on the upper surface of the lower frame at intervals along the transverse direction, the lower supporting frames are distributed along the longitudinal direction, a supporting roller is rotationally arranged at the upper end of each lower supporting frame, the first flexible filter element is paved on the lower frame, the transverse two sides of the first flexible filter element are fixed on the lower frame along the transverse direction, the middle part of the first flexible filter element is abutted against the supporting roller, so that the first flexible filter element forms wave crest and wave trough parts which are sequentially connected, the upper frame is arranged on the lower frame, at least three upper supporting frames are distributed on the lower surface of the upper frame at intervals along the transverse direction, the upper supporting frames are distributed along the longitudinal direction, the utility model discloses a filter cartridge, including upper bracket, filter cartridge frame, upper bracket, filter cartridge frame and filter cartridge frame, upper bracket and lower support frame are crisscross to be distributed, upper bracket is last and be located two adjacent be equipped with the apron between the upper bracket for just be located upper bracket department between two adjacent apron and form the inserted hole, each upper bracket is all including distributing in the bottom surface of two sides and connection both sides face bottom on the longitudinal both sides edge of upper bracket, be equipped with the elastic component on the bottom surface, the elastic component supports and leans on the trough portion of first flexible filter cartridge, two be equipped with the spout that distributes along vertical direction on the side, the filter cartridge frame is frame construction, the longitudinal both sides face of filter cartridge frame is equipped with the sand grip, the filter cartridge frame passes through sand grip and spout sliding connection for the filter cartridge frame is embedded in upper bracket, and the inserted hole is worn out on the upper portion of filter cartridge frame, the flexible filter cartridge of second locates on the filter cartridge frame.
2. The FFU high efficiency filter apparatus of claim 1, wherein: the motor mounting frame comprises a mounting rod vertically and fixedly arranged on the inner surface of the upper shell and a mounting plate arranged at the lower end of the mounting rod, the cavity is divided into an upper cavity and a lower cavity through the mounting plate, a mounting hole for mounting the motor is formed in the middle of the mounting plate, at least three through holes are formed in the mounting plate and around the periphery of the mounting hole, a mounting seat is arranged at the periphery of each through hole, and the lower end of each primary filter assembly is clamped on the mounting seat.
3. The FFU high efficiency filter apparatus of claim 2, wherein: the primary filter component comprises an upper base, a lower base, an upper base plate, a plurality of root connecting rods and a third flexible filter element, wherein the upper base, the lower base and the upper base are made of plastic materials and are of annular structures, the upper base plate is covered on the upper base, the plurality of root connecting rods are connected with the upper base and the lower base, the connecting rods comprise first connecting rods distributed on the outer edge of the upper base and second connecting rods distributed on the inner edge of the upper base, a filter element groove is formed between the first connecting rods and the second connecting rods, the third flexible filter element is embedded in the filter element groove, and a clamping structure for forming clamping connection is arranged on the lower base and the mounting seat.
4. The FFU high efficiency filter apparatus of claim 3 wherein: the clamping structure comprises two protruding blocks arranged on the lower end edge of the lower base, a protruding ring arranged on the lower base and located on the upper side of the protruding blocks, and two clamping grooves arranged on the inner surface of the mounting seat and respectively used for sliding the protruding blocks, wherein the protruding blocks are distributed on the same diameter of the lower base, the clamping grooves comprise annular grooves formed in the middle of the inner surface of the mounting seat in a surrounding mode, one ends of the connecting annular grooves, outside leading-in grooves and clamping blocks arranged in the annular grooves, the leading-in grooves are distributed along the axial direction of the mounting seat, the clamping blocks are distributed on one side far away from the leading-in grooves, the annular grooves are formed into first annular grooves connected with the leading-in grooves through the clamping blocks, and the protruding blocks are clamped in the clamping grooves when the lower base is clamped and connected with the connecting seat.
5. The FFU high efficiency filter apparatus of claim 4 wherein: the clamping block is provided with a first inclined surface on one side surface close to the first annular groove, a second inclined surface on one side surface close to the clamping groove, the inclination angle of the first inclined surface is smaller than that of the second inclined surface, and the height of the clamping block is smaller than the depth of the annular groove.
6. The FFU high efficiency filter apparatus according to any one of claims 2 to 5, wherein: the exhaust blade assembly comprises an upper plate body with an annular structure, a lower plate body with a plate-shaped structure, a plurality of supporting rods for connecting the upper plate body with the lower plate body, an upper blade arranged on the lower surface of the upper plate body and a lower blade arranged on the upper surface of the lower plate body, wherein the upper blade and the lower blade are of arc-shaped structures.
7. The FFU high efficiency filter apparatus of claim 6, wherein: the upper blades and the lower blades are distributed in a staggered mode, and the curvature radius of the upper blades is smaller than that of the lower blades.
8. The FFU high efficiency filter apparatus of claim 7, wherein: the lower side of the mounting plate is provided with a guide cover with a curved surface structure, and the orthographic projection area of the guide cover is covered on the orthographic projection area of each through hole.
9. The FFU high efficiency filter apparatus of claim 8, wherein: the upper surface of the upper support frame and the two lateral sides of the insertion opening are provided with baffle plates, and the lateral sides of the baffle plates are propped against the first flexible filter element.
10. The FFU high efficiency filter apparatus of claim 9 wherein: the upper surface of the upper shell is provided with maintenance ports on two lateral sides of the air inlet, each maintenance port is provided with a maintenance door, and the maintenance door is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310969390.2A CN116672829B (en) | 2023-08-03 | 2023-08-03 | FFU high-efficient filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310969390.2A CN116672829B (en) | 2023-08-03 | 2023-08-03 | FFU high-efficient filter equipment |
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| Publication Number | Publication Date |
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| CN116672829A CN116672829A (en) | 2023-09-01 |
| CN116672829B true CN116672829B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310969390.2A Active CN116672829B (en) | 2023-08-03 | 2023-08-03 | FFU high-efficient filter equipment |
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| CN215213640U (en) * | 2021-07-12 | 2021-12-17 | 宜昌三一机械有限公司 | Oil filter of excavator |
| CN113856367A (en) * | 2021-09-13 | 2021-12-31 | 美埃(中国)环境科技股份有限公司 | Scalable filter core and can replace filter core filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB905113A (en) * | 1959-09-09 | 1962-09-05 | Dallow Lambert Ltd | Improvements in dust-laden air filter units |
| CN2587495Y (en) * | 2002-06-13 | 2003-11-26 | 罗进南 | Dust capacity large magin raised intermediate and high effcient air filter core and filter paper |
| CN107126778A (en) * | 2017-06-29 | 2017-09-05 | 广东新氧器净化科技有限公司 | A kind of new smog air cleaning unit |
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| Publication number | Publication date |
|---|---|
| CN116672829A (en) | 2023-09-01 |
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