CN102397729B - Dust removing box and dust removing system with same - Google Patents
Dust removing box and dust removing system with same Download PDFInfo
- Publication number
- CN102397729B CN102397729B CN201110411487.9A CN201110411487A CN102397729B CN 102397729 B CN102397729 B CN 102397729B CN 201110411487 A CN201110411487 A CN 201110411487A CN 102397729 B CN102397729 B CN 102397729B
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- China
- Prior art keywords
- dust
- casing
- air inlet
- cleaning case
- inflator
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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
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
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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
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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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
- B01D46/70—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
Abstract
The invention relates to a dust removing box and a dust removing system with the same, which are used for filtering dusty air flow. The dust removing box comprises a box body and an air filtering barrel arranged in the box body, wherein the box body is provided with an air exhaust and an air inlet; the dusty air flow enters the box body from the air inlet, is filtered by the air filtering barrel and is discharged from the air exhaust; the air inlet is close to the top of the air filtering barrel; the top of the air filtering barrel is communicated with the air inlet; and the bottom of the air filtering barrel is closed. In the dust removing box and the dust removing system with the same, an upper inlet and upper exhaust dust removing mode is adopted, so that the phenomenon that dust which has been filtered off by the air filtering barrel is continuously remixed in the dusty air flow when the continuous dusty air flow rushes into and floods the box body from the lower side of the dust removing box is avoided.
Description
Technical field
The present invention is about a kind of dust pelletizing system, and particularly about a kind of dust cleaning case that dust-contained airflow is filtered and there is the dust pelletizing system of this dust cleaning case.
Background technology
At present, domestic dry dust removal sweeping machine generally uses dust cleaning case to carry out dust removal by filtration to dust-contained airflow, though there is part producer to adopt cloth bag or board-like filter screen as filtering bodies, but in use there is the defects such as low, the easy paste bag of cleaning efficiency, so, adopt cloth bag or board-like filter screen fewer and feweri as the product of dry dust removal, more dry dust removal sweeping machine has adopted the pattern of dust cleaning case dedusting.
Existing dust cleaning case, though be adopt in establish three filter inflators or in establish four filter inflators, dust cleaning case is divided into upper and lower two parts, casing top is provided with high pressure dust remover, also has straight open to atmosphere exhaust outlet, lower box is provided with the dust collecting after air inlet and the filtration that passes into dust-contained airflow, and filter inflator is between exhaust outlet and air inlet.Dust cleaning case is made the upper thin plate that adopts more, and box house is simple rectangle, establishes skeleton and strengthen in part casing; In casing, filter inflator is arranged symmetrically with.
Casing top and the bottom are substantially isolated, but dust-contained airflow enters from dust cleaning case bottom below, and after inflator filters after filtration, cleaned air can enter casing top and finally enter atmosphere.By programme-control, high pressure dust remover can regularly discharge pressure-air filter inflator is blowed and sprayed, to remove the dust that is adsorbed on filter inflator outer surface; The dust being eliminated falls into the flue-dust retainer of lower box in own wt effect, and is finally admitted to dustbin by suction nozzle, and this enters upper row's air inlet dedusting pattern under being.But, under this, enter upper row's air inlet dedusting method Shortcomings part, dust-contained airflow pours in from dust cleaning case below and is full of box house endlessly, when the dust on filter air cylinder wall is removed by the pulse ash remover of casing top, be subject to the impact of the dust-contained airflow that lower box pours at a high speed, the dust being eliminated cannot successfully fall into the flue-dust retainer of lower box.Although dust-contained airflow is constantly filtered by filter inflator, dust is stayed on filter inflator outer wall, finally removed from filter air cylinder wall by pulse ash remover again, but wherein most of dust is constantly stirred in dust-contained airflow again again, the dust concentration that makes to filter in the dust-contained airflow on inflator top remains at a higher state, the dust removal by filtration efficiency of filter inflator is unsatisfactory, has reduced the efficiency of dry filter dedusting.
Summary of the invention
The invention provides a kind of dust cleaning case that can improve efficiency of dust collection.
In addition, be necessary to provide a kind of dust pelletizing system with above-mentioned dust cleaning case.
For reaching above-mentioned advantage, the invention provides a kind of dust cleaning case, for dust-contained airflow is filtered, comprise casing and be arranged on the filter inflator in casing, on described casing, offer exhaust outlet and air inlet, described dust-contained airflow enters in casing from air inlet, after filtering, discharges from exhaust outlet by filter inflator; Described air inlet is near the top of described filter inflator, and the top of described filter inflator communicates with described exhaust outlet, the bottom lock of described filter inflator.
In one embodiment of this invention, in described casing, being provided with the dust-contained airflow that water conservancy diversion combination makes to enter in described casing flows around described filter inflator.
In one embodiment of this invention, described water conservancy diversion combination comprises the two straight deflectors of being located at air inlet place, and described two straight deflectors extend to the center of described air inlet.
In one embodiment of this invention, the quantity of described filter inflator is four, and described water conservancy diversion combination also comprises two arc deflectors of being located at middle part in casing, and described two arc deflectors are corresponding to two described filter inflators near air inlet place respectively.
In one embodiment of this invention, described casing comprises four side panels, and described four side panels adopt hypotenuse to connect.
In one embodiment of this invention, described air inlet is positioned at described in one of them on side panel, and the middle inside of its excess-three described side panel forms V-arrangement projection, and described hypotenuse and described V-arrangement projection are the part that described water conservancy diversion combines.
In one embodiment of this invention, described air inlet is positioned at described in one of them on side panel, the middle inside that is positioned at the described side panel of described air inlet two sides forms V-arrangement projection, described hypotenuse and described V-arrangement projection are a part for described water conservancy diversion combination, with the inner side of the just right described side panel of described air inlet be flat surface.
In one embodiment of this invention, described two arc deflectors are connected with the described V-arrangement projection being positioned on the described side panel of described air inlet two sides.
In one embodiment of this invention, described two arc deflectors are connected with the described V-arrangement projection being positioned on the described side panel of described air inlet two sides.
In one embodiment of this invention, the combination of described water conservancy diversion also comprises other two arc deflectors of being located at middle part in casing, and described four arc deflectors join end to end and distinguish correspondence towards described four filtration inflators.
In one embodiment of this invention, the quantity of described filter inflator is four, described water conservancy diversion combination also comprises the rectangular entity with four end to end arcuate flanks of being located at middle part in described casing, described four arcuate flanks are corresponding to described four filter inflators respectively, the cross section of described four arcuate flanks structure that assumes diamond in shape.In one embodiment of this invention, in described casing, dividing plate is set, casing is divided into casing top and lower box by described dividing plate, and described exhaust outlet is located at described casing top; Described air inlet is located at described lower box, and described dividing plate is provided with the through hole corresponding with the top of described filter inflator.
In one embodiment of this invention, described dust cleaning case also comprises high pressure dust remover, described high pressure dust remover is installed on described casing top, and described high pressure dust remover interval regularly passes into high pressure draught to remove the dust that is adsorbed on described filter inflator outer surface to the top of described filter inflator.
In one embodiment of this invention, the bottom of described casing is provided with flue-dust retainer.
The present invention also provides a kind of dust pelletizing system, comprises suction nozzle and dustbin and above-mentioned dust cleaning case, and described suction nozzle is connected with described flue-dust retainer, and the dust of described flue-dust retainer is discharged to dustbin by described suction nozzle.
The invention has the beneficial effects as follows, compare prior art under enter upper row's dedusting method, dust cleaning case of the present invention and the dust pelletizing system with this dust cleaning case are taked enterprising upper row's dedusting method, avoid endlessly dust-contained airflow to pour in from dust cleaning case below and be full of box house, preventing from being filtered the dust that inflator filters down is constantly stirred in dust-contained airflow again again, reduce the dust concentration in the dust-contained airflow of filtering inflator top, thereby improved the dust removal by filtration efficiency of filter inflator.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate appended graphicly, be described in detail below.
Brief description of the drawings
Fig. 1 is that schematic diagram is cutd open in the cross section of the dust pelletizing system of preferred embodiment of the present invention.
Fig. 2 is the first structural representation of the dust cleaning case water conservancy diversion combination shown in Fig. 1.
Fig. 3 is the second structural representation of the dust cleaning case water conservancy diversion combination shown in Fig. 1.
Fig. 4 is the third structural representation of the dust cleaning case water conservancy diversion combination shown in Fig. 1.
Fig. 5 is the 4th kind of structural representation of the dust cleaning case water conservancy diversion combination shown in Fig. 1.
Fig. 6 is the 5th kind of structural representation of the dust cleaning case water conservancy diversion combination shown in Fig. 1.
Detailed description of the invention
Please refer to Fig. 1, dust pelletizing system 1 of the present invention can be applied to dry dust removal sweeping machine or dust-contained airflow be carried out to the deduster of dust removal by filtration.Dust pelletizing system 1 comprises dust cleaning case 100 and suction nozzle 200.The dust that dust cleaning case 100 filters down is discharged to dustbin by suction nozzle 200.
Dust cleaning case 100 comprises casing 10, high pressure dust remover 20 and filter inflator 30.In casing 10, establish dividing plate 17 casing 10 is separated into casing top 12 and lower box 13.Exhaust outlet 15 is offered on casing top 12, and high pressure dust remover 20 is installed in casing top 12.Filter inflator 30 can be arranged on dividing plate 17 separably, or is arranged on lower box 13 by fixture (not shown).Filter inflator 30 comprises the net cylinder 31 being rolled into by filter screen, and one end of net cylinder 31 is not sealed, and is the top 32 of filter inflator 30; Other end sealing is the bottom 33 of filter inflator 30.On dividing plate 17, offer the through hole (not shown) corresponding with the top 32 of filtering inflator 30, thereby the top 32 of filter inflator 30 communicates with exhaust outlet 15.The upper end of lower box 13, offers air inlet 16 near 32 places, top of filter inflator 30.Dust-contained airflow enters casing 10 from air inlet 16, and then the filtration of inflator 30 after filtration, finally discharges by exhaust outlet 15.The bottom of casing 10, the bottom 33 of close filter inflator 30 is designed to or is connected with the flue-dust retainer 14 of taper, and to facilitate the dust of collecting after filtering, the bore of flue-dust retainer 14 dwindles from top to bottom gradually.Dust after filter drops to and falls into flue-dust retainer 14, is then discharged to dustbin by suction nozzle 200.
In Fig. 1, the flow direction that arrow A is dust-contained airflow, arrow B is the flow direction through filter inflator 30 clean gas of filtering, and arrow C is the flow direction of the gases at high pressure that discharge of high pressure dust remover 20, and arrow D is the direction that the dust that filters out falls.In the present embodiment, dust-contained airflow enters from lower box 13 tops, and after inflator 30 filters after filtration, cleaned air can enter casing top 12 and finally enter atmosphere.By programme-control, high pressure dust remover 20 can regularly discharge pressure-air filter inflator 30 is blowed and sprayed, to remove the dust that is adsorbed on filter inflator 30 outer surfaces.The dust being eliminated falls into the flue-dust retainer 14 of lower box 13 in the effect of own wt and dust-contained airflow, and is finally admitted to dustbin by suction nozzle 200.
Referring to Fig. 2, in the present embodiment, in lower box 13, establish the filter inflator 30 of four symmetric arrays, lower box 13 entirety are rectangular, and lower box 13 has 131, four side panels 131 of four side panels and adopts hypotenuse 134 to connect.Air inlet 16 is located at the middle part of one of them side panel 131.The straight deflector 132 of two straight deflectors 132, two is set at air inlet 16 places and extends to the center of air inlet 16, become splayed.The middle inside of other three side panels 131 is provided with V-arrangement projection 133.The middle part of the inner space of lower box 13 is provided with two arc deflector 136a, and described two arc deflector 136a are corresponding to two filter inflators 30 near air inlet 16 places respectively.The length of deflector 136a can be the same or different with the length of filter inflator 30, mainly sees design needs.The first structure of straight deflector 132, V-arrangement projection 133 and the combination of arc deflector 136a composition water conservancy diversion, makes the dust-contained airflow that enters lower box 13 flow around filter inflator 30.
Preferably, casing 10 adopts bending plate, can use so thinner board making casing 10 panels, without inner frame and buttress brace are set, more saves material.Meanwhile, because casing 10 welding capacity greatly reduce, the distortion in casing 10 making is less, and the flatness of casing 10 is more easily guaranteed.But casing 10 also can not adopt bending plate to make the panel of casing 10, and uses the mode of non-bending plate addition template to make, and adopts close forming part (support plate or arc plate) and casing 10 inner panel splicings at existing bending part.
Fig. 3 has shown the second structure of water conservancy diversion combination, on the basis of water conservancy diversion combination the first structure, cancels the just projection 133 of the middle inside of the side panel 131 to dust-contained airflow import, and the inner side that makes the side panel 131 just right with air inlet 16 is flat surface.
Fig. 4 has shown the third structure of water conservancy diversion combination, on the basis of water conservancy diversion combination the first structure, two arc deflector 136a is extended to and be positioned at V-arrangement projection 133 on the described side panel 131 of described air inlet 16 2 sides and be connected and form deflector 136b.
Fig. 5 has shown the 4th kind of structure of water conservancy diversion combination, combines on the basis of the third structure at water conservancy diversion, cancels just to the projection 133 on the side panel 31 of air inlet 16, and the inner side that makes the side panel 131 just right with air inlet 16 is flat surface.
Fig. 6 has shown the 5th kind of structure of water conservancy diversion combination, on the basis of water conservancy diversion combination the first structure, deflector 136a is replaced by four end to end arc deflector 136c, four arc deflector 136c are corresponding to the cross section of 30, four end to end arc deflector 136c of four the filter inflators structure that assumes diamond in shape respectively.Be appreciated that, four end to end arc deflector 136c also can be replaced by a rectangular entity with four end to end arcuate flanks, these four arcuate flanks are corresponding to four filter inflators 30 respectively, the cross section of these four arcuate flanks structure that assumes diamond in shape.
In order regularly filter inflator 30 to be taken out to cleaning, in the present embodiment, casing top 12 and lower box 13 are one-body molded, and lower box 13 is provided with a side door (not shown) that sealing strip is housed on a side plate 131 therein, and filter inflator 30 takes out from side door.In other embodiments, casing top 12 can be arranged on separably on lower box 13 or be the lid of opening of lower box 13.
The quantity that is appreciated that filter inflator 30 can be also three or other quantity, and now arc deflector can carry out suitable adjustment according to the arrangement position relation of filter inflator 30, so that flow around each filter inflator 30 after dust-contained airflow shunting.For example, when the quantity of filter inflator 30 is three, and while being arranged in equilateral triangle shape, can three end to end arc flow deflectors be set at triangle middle part, every arc flow deflector correspondence is towards a filter inflator 30.
In the time of dedusting operation, dust-contained airflow enters dust cleaning case 100, run into deflector 136a, 136b, 136c at the middle part of the inner space of casing 10, the diversed plate 136a of portion gas, 136b, 136c shunting, start to flow around filter inflator 30, continue to rotate around filter inflator 30 the final air-flow rotating around filter inflator 30 that forms along casing 10 forming surface to side panel 131 is rear.Separately there is part dust-contained airflow to continue forward through the space at deflector 136a, 136b middle part, run into after the side panel 131 on air inlet 16 opposites, guide face on side panel 131 is split into and flows to antipodal two strands of air-flows, under the water conservancy diversion of side panel 131, form two strands of air-flows that rotate around filter inflator 30, so far, enter the dust-contained airflow of dust cleaning case 100 under the shunting and guiding of deflector 136a, 136b, 136c and side panel 131, be divided into around the mobile air-flow of filter inflator 30.
In the process of rotating around filter inflator 30 at dust-contained airflow, dust is filtered inflator 30 and is filtered, cleaned air enters inner dust cleaning case 100 tops that also upwards enter of filter inflator through filter course and also finally enters atmosphere, simultaneously, the gases at high pressure that the dust being detained on filter inflator 30 outer walls is regularly discharged by the high pressure dust remover 20 on casing 10 tops are removed and are taken to dust cleaning case 100 belows by the air-flow that allows filter inflator 30 rotate, by flue-dust retainer 14, suction nozzle 200, finally enter dustbin.
Compare prior art under enter upper row's dedusting method, dust cleaning case 100 of the present invention takes enterprising upper row's dedusting method to improve the efficiency of dust removal by filtration, thereby avoid endlessly dust-contained airflow to pour in from dust cleaning case 100 belows and be full of casing 10 inside and stop that the dust of being removed by high pressure dust remover 20 successfully falls into the flue-dust retainer 14 of casing 10 bottoms, effectively prevent that the dust filtering from constantly being stirred in dust-contained airflow again, reduce the dust concentration in the dust-contained airflow of filtering inflator 30 tops, improve the dust removal by filtration efficiency of filter inflator 30.
Dust cleaning case 100 structural changes of the present invention the flow direction of dust-contained airflow in case, dust-contained airflow is orderly flow regime in dust cleaning case 100, is more conducive to promote the filtering function of filter inflator 30.The dust-contained airflow that enters dust cleaning case 100 from top, in mobile around filter inflator 30, has also played the effect of washing away filter inflator 30 surface dusts, is conducive to filter inflator 30 all the time in duty preferably.
The above, only embodiments of the invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (12)
1. a dust cleaning case, for dust-contained airflow is filtered, comprise casing and be arranged on the filter inflator in casing, on described casing, offer exhaust outlet and air inlet, described dust-contained airflow enters in casing from air inlet, after filtering, discharges from exhaust outlet by filter inflator, it is characterized in that: described air inlet is near the top of described filter inflator, the top of described filter inflator communicates with described exhaust outlet, the bottom lock of described filter inflator; In described casing, be provided with water conservancy diversion combination, the quantity of described filter inflator is four, described water conservancy diversion combination comprises two arc deflectors being located at the two straight deflectors at air inlet place and being located at middle part in described casing, described two straight deflectors extend to the center of described air inlet, described two arc deflectors are corresponding to two described filter inflators near air inlet place respectively, and the dust-contained airflow that described water conservancy diversion combination makes to enter in described casing flows around described filter inflator.
2. dust cleaning case as claimed in claim 1, is characterized in that: described casing comprises four side panels, and described four side panels adopt hypotenuse to connect.
3. dust cleaning case as claimed in claim 2, is characterized in that: described air inlet is positioned at described in one of them on side panel, and the middle inside of its excess-three described side panel forms V-arrangement projection, and described hypotenuse and described V-arrangement projection are the part that described water conservancy diversion combines.
4. dust cleaning case as claimed in claim 2, it is characterized in that: described air inlet is positioned at described in one of them on side panel, the middle inside that is positioned at the described side panel of described air inlet two sides forms V-arrangement projection, described hypotenuse and described V-arrangement projection are a part for described water conservancy diversion combination, with the inner side of the just right described side panel of described air inlet be flat surface.
5. dust cleaning case as claimed in claim 3, is characterized in that: described two arc deflectors are connected with the described V-arrangement projection being positioned on the described side panel of described air inlet two sides.
6. dust cleaning case as claimed in claim 4, is characterized in that: described two arc deflectors are connected with the described V-arrangement projection being positioned on the described side panel of described air inlet two sides.
7. dust cleaning case as claimed in claim 3, is characterized in that: the combination of described water conservancy diversion also comprises other two arc deflectors of being located at middle part in casing, and described four arc deflectors join end to end and distinguish correspondence towards described four filtration inflators.
8. dust cleaning case as claimed in claim 1, is characterized in that: in described casing, dividing plate is set, casing is divided into casing top and lower box by described dividing plate, and described exhaust outlet is located at described casing top; Described air inlet is located at described lower box, and described dividing plate is provided with the through hole corresponding with the top of described filter inflator.
9. dust cleaning case as claimed in claim 8, it is characterized in that: described dust cleaning case also comprises high pressure dust remover, described high pressure dust remover is installed on described casing top, and described high pressure dust remover regularly passes into high pressure draught to remove the dust that is adsorbed on described filter inflator outer surface to the top of described filter inflator.
As described in claim 1 to 9 any one dust cleaning case, it is characterized in that: the bottom of described casing is provided with flue-dust retainer.
11. 1 kinds of dust pelletizing systems, is characterized in that: comprise suction nozzle and dustbin and dust cleaning case as claimed in claim 10, described suction nozzle is connected with described flue-dust retainer, and the dust of described flue-dust retainer is discharged to dustbin by described suction nozzle.
12. 1 kinds of dust cleaning cases, for dust-contained airflow is filtered, comprise casing and be arranged on the filter inflator in casing, on described casing, offer exhaust outlet and air inlet, described dust-contained airflow enters in casing from air inlet, after filtering, discharges from exhaust outlet by filter inflator, it is characterized in that: described air inlet is near the top of described filter inflator, the top of described filter inflator communicates with described exhaust outlet, the bottom lock of described filter inflator; In described casing, being provided with the dust-contained airflow that water conservancy diversion combination makes to enter in described casing flows around described filter inflator; The quantity of described filter inflator is four, described water conservancy diversion combination also comprises the rectangular entity with four end to end arcuate flanks of being located at middle part in described casing, described four arcuate flanks are corresponding to described four filter inflators respectively, the cross section of described four arcuate flanks structure that assumes diamond in shape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110411487.9A CN102397729B (en) | 2011-12-12 | 2011-12-12 | Dust removing box and dust removing system with same |
| PCT/CN2012/082303 WO2013086888A1 (en) | 2011-12-12 | 2012-09-28 | Dust removing box and dust removing system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110411487.9A CN102397729B (en) | 2011-12-12 | 2011-12-12 | Dust removing box and dust removing system with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102397729A CN102397729A (en) | 2012-04-04 |
| CN102397729B true CN102397729B (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110411487.9A Active CN102397729B (en) | 2011-12-12 | 2011-12-12 | Dust removing box and dust removing system with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102397729B (en) |
| WO (1) | WO2013086888A1 (en) |
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| CN102397729B (en) * | 2011-12-12 | 2014-11-26 | 长沙中联重科环卫机械有限公司 | Dust removing box and dust removing system with same |
| CN103706194B (en) * | 2012-09-28 | 2015-07-08 | 邢征 | Double-gas-passage negative pressure dust removal and collection apparatus |
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- 2012-09-28 WO PCT/CN2012/082303 patent/WO2013086888A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102397729A (en) | 2012-04-04 |
| WO2013086888A1 (en) | 2013-06-20 |
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