CN202681836U - Filtering cylinder and dust separating unit with same - Google Patents
Filtering cylinder and dust separating unit with same Download PDFInfo
- Publication number
- CN202681836U CN202681836U CN 201220229227 CN201220229227U CN202681836U CN 202681836 U CN202681836 U CN 202681836U CN 201220229227 CN201220229227 CN 201220229227 CN 201220229227 U CN201220229227 U CN 201220229227U CN 202681836 U CN202681836 U CN 202681836U
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- outlet section
- air channel
- air
- side wall
- wind outlet
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Abstract
The utility model discloses a filtering cylinder and a dust separating unit thereof. The filtering cylinder comprises a first air outlet section, a second air outlet section and an air inlet section. The second air outlet section is positioned between the first air outlet section and the air inlet section, wherein the first air outlet section is provided with a first side wall; a first air duct is defined by the first side wall; a plurality of long holes which penetrate through the first side wall and are communicated with the first air duct are formed on the first side wall; all the long holes extend along the length direction of the first air outlet section; the second air outlet section is provided with a second side wall; a second air duct is defined by the second side wall, and a plurality of small holes which penetrate through the second side wall are formed on the second side wall; the small holes are communicated with the second air dust; the air inlet section is provided with a third side wall; a third air dust is defined by the third side wall and communicated with the first air duct and the second air dust; and the second air duct is positioned between the first air duct and the third air duct. The filtering cylinder eliminates a phenomenon of leaking dust with large particle size. Furthermore, the air flow rate can be further improved; separation between the dust and air can be accelerated; and the separation efficiency is improved.
Description
Technical field
The utility model relates to filter, relates in particular to the cartridge filter of dust catcher and has the dust filter element of this cartridge filter.
Background technology
The cartridge filter that is used for dust catcher is conically shaped normally, and this conically shaped plays guide functions on the one hand, carries out on the other hand leaching.Dust is when cyclonic separation, large ash is away from pivot, the parts of fine ash continues to enter into next stage filter (secondary filter) with central gas stream, common cartridge filter all is to be covered with aperture usually, because the aperture area of aperture is little, therefore can reduce gas flow rate, cause atmospheric pressure lost, and can cause turbulent flow; Offer the bar shaped filter bores on the cartridge filter that perhaps also has, the gas flow of bar shaped filter bores is large, windage loss is little, yet owing to work the initial stage of revolving at cyclone, dust-contained airflow is without abundant cyclonic separation, and therefore larger dust also concentrates on the air-flow center, and the bar shaped filter bores was leaked large ash (namely large ash can enter secondary filter from grade one filter through the filter bores of described bar shaped) easily, therefore, its filter effect is bad.
Summary of the invention
The problem that the utility model solves is that existing cartridge filter can reduce gas flow rate with easy large ash was leaked and so that the bad problem of filter effect.
For addressing the above problem, the utility model provides a kind of cartridge filter, this cartridge filter comprises the first wind outlet section, the second wind outlet section and wind inlet section, described the second wind outlet section is between described the first wind outlet section and wind inlet section, wherein, described the first wind outlet section has the first side wall, and this first side wall surrounds the first air channel, and be provided with some slotted holes that run through this first side wall and be communicated with described the first air channel on this first side wall, all slotted holes extend along the length direction of the first wind outlet section; Described the second wind outlet section has the second sidewall, and this second sidewall surrounds the second air channel and is provided with some apertures that run through this second sidewall, and all apertures are communicated with described the second air channel; Described wind inlet section has the 3rd sidewall, and the 3rd sidewall surrounds the 3rd air channel, and described the 3rd air channel is communicated with described the first air channel and the second air channel, and described the second air channel is between the first air channel and the 3rd air channel.
As a kind of improvement project, described the first side wall and the second sidewall surround conical shell, described wind inlet section is cylindrical, described the first wind outlet section, the second wind outlet section and wind inlet section have identical axis, described aperture evenly distributes around the first side wall of described axis at the second wind inlet section, and described slotted hole evenly distributes around second sidewall of described axis at the first wind outlet section.
As a kind of improvement project, in the described slotted hole, the area of each slotted hole is at 28-35mm
2Between, total slotted hole area is at 600-800mm
2
As a kind of improvement project, described aperture is circular hole, and the area of each aperture is greater than 3.14mm
2Less than 5mm
2, total circular hole area is at 600-800mm
2
As a kind of improvement project, the area of each slotted hole and the Area Ratio of each aperture are between 0.8-1.
As a kind of improvement project, the height of described wind inlet section is between the 0.35-0.45 of cartridge filter total height.
As a kind of improvement project, more than the top 10mm of described the second wind outlet section distance from bottom air inlet.
The utility model also discloses a kind of dust separation unit, this dust separation unit comprises the dirt cylinder, cyclone chamber and cartridge filter, described cartridge filter is positioned at described dirt cylinder, described cyclone chamber is surrounded by the inner surface of dirt cylinder and the outer surface of cartridge filter at least, this cartridge filter comprises the first wind outlet section, the second wind outlet section and wind inlet section, described the second wind outlet section is between described the first wind outlet section and wind inlet section, wherein, described the first wind outlet section has the first side wall, this the first side wall surrounds the first air channel, and be provided with some slotted holes that run through this first side wall on this first side wall, all slotted holes extend along the length direction of the first wind outlet section; Described the second wind outlet section has the second sidewall, and this second sidewall surrounds the second air channel and is provided with some apertures that run through this second sidewall, and all apertures are communicated with described the second air channel; Described wind inlet section has the 3rd sidewall, and the 3rd sidewall surrounds the 3rd air channel, and described the 3rd air channel is communicated with described the first air channel and the second air channel, and described the second air channel is between the first air channel and the 3rd air channel.
As a kind of improvement project, described wind inlet section was connected with the described cylinder end, was provided with the air inlet that is communicated with described cyclone chamber on the described barrel, and this air inlet and described wind inlet section all are positioned at the bottom of described barrel.
As a kind of improvement project, the described cylinder end, be provided with the outlet that is communicated with described the 3rd air channel, described dust separation unit also comprises filter, and this filter connects with the described cylinder end and is positioned at described cylinder relative two sides at the end with described cartridge filter, and described filter covers this outlet.
As a kind of improvement project, described the first side wall and the second sidewall surround conical shell, described wind inlet section is cylindrical, described the first wind outlet section, the second wind outlet section and wind inlet section have identical axis, described aperture evenly distributes around the first side wall of described axis at the second wind outlet section, and described slotted hole evenly distributes around second sidewall of described axis at the first wind outlet section.
As a kind of improvement project, in the described slotted hole, the area of each slotted hole is at 28-35mm
2Between, total slotted hole area is at 600-800mm
2
As a kind of improvement project, described aperture is circular hole, and the area of each aperture is greater than 3.14mm
2Less than 5mm
2, total circular hole area is at 600-800mm
2
As a kind of improvement project, the area of each slotted hole and the Area Ratio of each aperture are between 0.8-1.
As a kind of improvement project, the height of described wind inlet section is between the 0.35-0.45 of total height of cartridge filter.
As a kind of improvement project, more than the top 10mm of described the second wind outlet section distance from bottom air inlet.
Compared with prior art, the utlity model has following advantage:
The utility model is owing to be provided with the first wind outlet section, the second wind outlet section and wind inlet section, described the second wind outlet section is between described the first wind outlet section and wind inlet section, and offer aperture on the second wind outlet section, the first wind outlet section offers slotted hole, like this, when this cartridge filter is applied to the dust separation unit of dust catcher, large ash can not enter secondary filter from grade one filter, good filtration effect through slotted hole because Action of Gravity Field is left on the wind inlet section place, and, owing to offer the top that aperture and slotted hole and aperture and slotted hole are positioned at wind outlet section, like this, can improve gas flow rate, the acceleration dust separates with gas, improves separative efficiency.
Description of drawings
Fig. 1 is the structural representation of the utility model dust separation unit;
Fig. 2 be Fig. 1 along A-A to cutaway view.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, being reached purpose and effect, below in conjunction with embodiment and cooperate accompanying drawing to be described in detail.
See also Fig. 1 and Fig. 2, the dust separation unit of present embodiment comprises dirt cylinder 1, cartridge filter 2 and cyclone chamber 3.Described dirt cylinder 1 by at the bottom of the cylinder 11, barrel 12 and cylinder top 13 surround.Described barrel 12 has the opening that is positioned at described cylinder top, the ends 11, and the sidepiece of barrel 12 also is provided with by air inlet 121.In the present embodiment, described cylinder top 13 is lids, hinged with barrel 12, and then, can be counterclockwise (this counterclockwise take the page of Fig. 2 as with reference to) rotary cylinder top 13 pours out the dust in the dirt cylinder 1 from the opening of described barrel 12, perhaps can clockwise rotate described cylinder top 13 and with described closure of openings, thereby, so that described dirt cylinder 1 can hold dust.
Please continue to consult Fig. 2, described cartridge filter 2 comprises the first wind outlet section 21, the second wind outlet section 22 and wind inlet section 23.Described the second wind outlet section 22 is between described the first wind outlet section 21 and wind inlet section 23.Described the first wind outlet section 21 has the first side wall 211, this the first side wall 211 surrounds the first air channel, and be provided with some slotted holes 212 that run through this first side wall 211 and be communicated with described the first air channel on this first side wall 211, all slotted holes 212 extend along the length direction of the first wind outlet section 21.Described the second wind outlet section 22 has the second sidewall 221, this second sidewall 221 surrounds the second air channel and is provided with some apertures 222 that run through this second sidewall 221, all apertures 222 are communicated with described the second air channel, and described aperture 222 is around the circumferentially evenly distribution of the second sidewall 221 of the second wind outlet section 22.In the present embodiment, more than the top 10mm of the second wind outlet section 22 distance from bottom air inlets 121, concrete, take page shown in Figure 2 as reference, the distance B at aperture 222 bottom and the top of air inlet 121 is greater than more than the 10mm, like this, not only can guarantee that large ash can not enter second-stage separator, and, at least can so that little ash smoothly by the aperture 222 whole second-stage separators that enter, so whole separation effect is good, separative efficiency is high, described wind inlet section 23 is connected with the described cylinder end 11 and all is positioned at the bottom of described barrel 12 with this air inlet 121, has the 3rd sidewall, and the 3rd sidewall surrounds the 3rd air channel, described the 3rd air channel is communicated with described the first air channel and the second air channel, and described the second air channel is between the first air channel and the 3rd air channel.In the present embodiment, described the first side wall and the second sidewall surround conical shell, and then so that described the first air channel and the second air channel are tapered, described wind inlet section 23 is cylindrical, and in such cases, described slotted hole 212 extends along the length direction of taper seat.Described the first wind outlet section 21, the second wind outlet section 22 have identical axis with wind inlet section 23.Described aperture 222 evenly distributes around second sidewall 221 of described axis at the second wind outlet section 22, and described aperture 222 is circular holes, and the area of each aperture 221 is greater than 3.14mm
2Less than 5mm
2, the area of total aperture 221 greater than 600 less than 800mm
2, like this, can be so that the area of the second wind outlet section 22 incoming air area with complete machine in this scope be suitable, if can produce the flow velocity of air-flow when area is larger reduces, dust motive force upwards reduces, this large particle separation effect meeting variation, overall separation Efficiency Decreasing.When if area is less than normal, the efficient of complete machine is with on the low side, and the performance loss is serious.Described slotted hole 212 evenly distributes around the first side wall 211 of described axis at the first wind outlet section 21, and the area of each slotted hole is at 28-35mm
2Between, the area of total slotted hole 212 is at 600-800mm
2Between, the area of the first wind outlet section 21 is in this scope the time, and the centrifugal force of flow separation can remain on a preferably state, and when area was bigger than normal, the flow velocity of air can reduce, and centrifugal force reduces, and separative efficiency is on the low side; When area was less than normal, the area of the first wind outlet section 21 was less than normal, and the air-out flow of the second wind outlet section 22 can strengthen by way of compensation, thereby affected the climbing power of air-flow, caused separative efficiency to reduce.The area of total slotted hole 212 and the Area Ratio of circular hole 221 are between 0.8-1, and in this proportion, the air-flow of air-out can not produce a sudden change, thereby affect the stability of air-flow, if when ratio is bigger than normal, when dirt gas separates, the flow velocity of air can reduce, centrifugal force reduces, and separative efficiency is on the low side, if when ratio is less than normal, the area of the first wind outlet section 21 is less than normal, the air-out flow of the second wind outlet section 22 can strengthen by way of compensation, thereby affects the climbing power of air-flow, causes separative efficiency to reduce.At the bottom of described cartridge filter 2 is connected in tin by wind inlet section 23 11 and be positioned at described dirt cylinder 1.Described cyclone chamber 3 is surrounded by the inner surface of dirt cylinder 1 and the outer surface of cartridge filter 2 at least, and in the present embodiment, described cyclone chamber 3 is surrounded by the outer surface of the described cylinder end 11, barrel 12, cylinder top 13 and described cartridge filter 2.
See also Fig. 1 and Fig. 2, dust separation unit of the present utility model is when work, air-flow enters described cyclone chamber 3 from described air inlet 121, because the wind inlet section 23 of this air inlet 121 and cartridge filter 2 all is positioned at the bottom of described barrel 12, so, air-flow is from bottom that described wind inlet section 23(also is cyclone chamber 3) begin to rotate up (herein upper with Figure 2 shows that with reference to), because action of gravitation and wind inlet section 23 only have third channel, so, large ash is stayed between the internal face of the outer surface of wind inlet section 23 and barrel 12 (also being the bottom of cyclone chamber 3), can not enter secondary filter through described slotted hole 212; Air-flow is in cyclone chamber 3 interior rotary courses, less thin ash is described the second wind outlet section 22 along with air-flow rises to, thin ash can enter the second air channel by the aperture 222 of this second wind outlet section 22 at least, because the second air channel and the 3rd air channel are communicated with, so thin ash can enter through the second air channel the 3rd air channel of wind inlet section 23 at least.When the wind inlet section 23 of cartridge filter 2 of the present utility model is positioned at the bottom of described cyclone chamber 3, described the first wind outlet section 21 is positioned at the top of cyclone chamber 3, and because the first wind outlet section 21 has slotted hole 211, so, the dust of air-flow is because Action of Gravity Field is stayed the bottom of cyclone chamber 3 basically, and clean air can enter behind the first air channel the 3rd air channel that enters wind outlet section 23 through the second air channel from slotted hole 211 and discharge.
In sum, because dust separation unit of the present utility model comprises cartridge filter 2, this cartridge filter 2 comprises the first wind outlet section 21, the second wind outlet section 22 and wind inlet section 23, the second wind outlet section 22 is between the first wind outlet section 21 and wind inlet section 23, offer aperture 222 on the second wind outlet section 22, the first wind outlet section 21 offers slotted hole 212, so aperture 222 can see through a small amount of air-flow and parts of fine ash, slotted hole 212 can increase gas flow, and then, gas flow of the present utility model is large, moreover, large ash since Action of Gravity Field fall into tin at the bottom of 11, and entering aperture 222, little ash can not affect gas flow, therefore, from slotted hole 212 through the first air channel, the air in the second air channel and the 3rd air channel is comparatively clean, so, the utility model can either guarantee dust separating efficient, can guarantee the dust separation effect again simultaneously.
Please continue to consult Fig. 2, as a kind of improvement, described dust separation unit also comprises the filter 4 of the bottom that is arranged at described dirt cylinder 1, the described cylinder end 11, be provided with the outlet that is communicated with described the 3rd air channel, described filter 4 covers this outlet, such as, this filter 4 is HEPA filters.In such cases, discharge from the outlet at the described cylinder end 11 through the air in the first air channel, the second air channel and the 3rd air channel from slotted hole 212,11 air-flows of discharging further filter through filters 4 at the bottom of the cylinder, and the air of discharge is more clean.
Take above-mentioned dust separation unit as the basis, the utility model also discloses the dust catcher with this dust separation unit, as long as this dust separation unit is assemblied in body of dust collector, this body of dust collector comprises shell, electric machine assembly etc., how dust separation unit is assemblied in body of dust collector and can adopts prior art, do not repeat them here.
Claims (10)
1. cartridge filter is characterized in that: comprise the first wind outlet section, the second wind outlet section and wind inlet section, described the second wind outlet section between described the first wind outlet section and wind inlet section, wherein,
Described the first wind outlet section has the first side wall, and this first side wall surrounds the first air channel, and is provided with some slotted holes that run through this first side wall and be communicated with described the first air channel on this first side wall, and all slotted holes extend along the length direction of the first wind outlet section;
Described the second wind outlet section has the second sidewall, and this second sidewall surrounds the second air channel, and is provided with some apertures that run through this second sidewall, and all apertures are communicated with described the second air channel;
Described wind inlet section has the 3rd sidewall, and the 3rd sidewall surrounds the 3rd air channel, and described the 3rd air channel is communicated with described the first air channel and the second air channel, and described the second air channel is between the first air channel and the 3rd air channel.
2. cartridge filter according to claim 1, it is characterized in that: described the first side wall and the second sidewall surround conical shell, described wind inlet section is cylindrical, described the first wind outlet section, the second wind outlet section and wind inlet section have identical axis, described aperture evenly distributes around second sidewall of described axis at the second wind outlet section, and described slotted hole evenly distributes around the first side wall of described axis at the first wind outlet section.
3. cartridge filter according to claim 1, it is characterized in that: in the described slotted hole, the area of each slotted hole is at 28-35mm
2Between, total slotted hole area is at 600-800mm
2
4. cartridge filter according to claim 1, it is characterized in that: described aperture is circular hole, the area of each aperture is greater than 3.14mm
2Less than 5mm
2, total circular hole area is at 600-800mm
2
5. cartridge filter according to claim 1, it is characterized in that: the area of each slotted hole and the Area Ratio of each aperture are between 0.8-1.
6. cartridge filter according to claim 1 is characterized in that: the height of described wind inlet section is between the 0.35-0.45 of total height of cartridge filter.
7. cartridge filter according to claim 6 is characterized in that: more than the top 10mm of described the second wind outlet section distance from bottom air inlet.
8. dust separation unit, comprise dirt cylinder and cyclone chamber, it is characterized in that: also comprise any one described cartridge filter in the claim 1 to 7, described cartridge filter is positioned at described dirt cylinder, and described cyclone chamber is surrounded by the inner surface of dirt cylinder and the outer surface of cartridge filter at least.
9. dust separation unit according to claim 8 is characterized in that: described wind inlet section was connected with the described cylinder end, was provided with the air inlet that is communicated with described cyclone chamber on the described barrel, and this air inlet and described wind inlet section all are positioned at the bottom of described barrel.
10. dust separation unit according to claim 9, it is characterized in that: the described cylinder end, be provided with the outlet that is communicated with described the 3rd air channel, described dust separation unit also comprises filter, this filter connects with the described cylinder end and is positioned at described cylinder relative two sides at the end with described cartridge filter, and described filter covers this outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220229227 CN202681836U (en) | 2012-05-22 | 2012-05-22 | Filtering cylinder and dust separating unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220229227 CN202681836U (en) | 2012-05-22 | 2012-05-22 | Filtering cylinder and dust separating unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202681836U true CN202681836U (en) | 2013-01-23 |
Family
ID=47537526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220229227 Expired - Fee Related CN202681836U (en) | 2012-05-22 | 2012-05-22 | Filtering cylinder and dust separating unit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202681836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670134A (en) * | 2012-05-22 | 2012-09-19 | 江苏美的春花电器股份有限公司 | Filtering cylinder and dust separating unit with same |
-
2012
- 2012-05-22 CN CN 201220229227 patent/CN202681836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670134A (en) * | 2012-05-22 | 2012-09-19 | 江苏美的春花电器股份有限公司 | Filtering cylinder and dust separating unit with same |
| CN102670134B (en) * | 2012-05-22 | 2014-10-01 | 江苏美的春花电器股份有限公司 | Filtering cylinder and dust separating unit with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20200522 |