CN101824794B - Exhaust fan of dirt catcher used for shot blasting trimmer of road and bridge surfaces - Google Patents
Exhaust fan of dirt catcher used for shot blasting trimmer of road and bridge surfaces Download PDFInfo
- Publication number
- CN101824794B CN101824794B CN2010101564380A CN201010156438A CN101824794B CN 101824794 B CN101824794 B CN 101824794B CN 2010101564380 A CN2010101564380 A CN 2010101564380A CN 201010156438 A CN201010156438 A CN 201010156438A CN 101824794 B CN101824794 B CN 101824794B
- Authority
- CN
- China
- Prior art keywords
- base plate
- road
- inboard aperture
- rectangular base
- shot blasting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an exhaust fan of a dirt catcher used for a shot blasting trimmer of road and bridge surfaces. A fan shell is provided with an air outlet pipe and an air inlet pipe which are communicated with the fan shell, the fan shell is internally provided with impellers, and the outside of the fan shell is provided with a fan cover, wherein as for the impeller, the center of a base plate is provided with a shaft sleeve, and 4-8 straight blades which have the same mass and divide the circumference equally are radially and evenly distributed on the base plate. By the comparison test with a secondary twin vortex exhaust fan, the power consumed by the device in the invention is only 53% of that of the secondary twin vortex exhaust fan, airflow vacuum degree at an air inlet is reduced by 2kPa compared with that of the secondary twin vortex exhaust fan, and the air flow of an air outlet is improved by 33% compared with that of the secondary twin vortex exhaust fan. The invention has reasonable design, simple structure, small volume, low energy consume, low vacuum degree, large air flow, good utilization effect and the like, is arranged on the surface of a road and bridge shot blasting shaping machine and the surface of the road and bridge shot blasting trimmer for repairing the surface of the road and the bridge, thereby improving the surface roughness concentration.
Description
Technical field
The invention belongs to construction, repairing, repair or remove the supplementary equipment technical field that road or similar paving are used, be specifically related to the equipment that the road surface of finishing is handled.
Background technique
Cement concrete road and bituminous concrete road have advantages such as intensity height, good stability, day-to-day maintenance be low, are promoted the use of than large size in the whole nation.Development along with China's communication, the increase of vehicle flowrate, the overload transportation, cement concrete road and bituminous concrete road are through after the use of long period, damage to road surfaces is comparatively serious, pit appears in cement concrete pavement, subside, diseases such as smooth surface, rut appears in asphalt concrete pavement, gather around bag, be full of cracks, diseases such as smooth surface, smooth surface disease wherein, the frictional force on road surface reduces, make the speed of a motor vehicle reduce, waste fuel, when brake, be not easy car is checked especially, caused taking place traffic accident, bring loss to the people's lives and property, seriously influenced traffic safety.
In China, the present method that the smooth disease of cement concrete pavement and asphalt concrete pavement is adopted is, make way by hand carry out milling with road surface cutter hair or with the milling machine road pavement with cutter head bump road surface, make cement concrete pavement and asphalt concrete pavement form microscopic crack, and aggregate shake that will be original solid is loose, has destroyed the structure of original surface.
For solving the problems of the technologies described above, designer of the present invention has designed " road and bridge surface ball blast shaping car ", " shot blasting trimmer of road and bridge surfaces ", manufactured experimently out model machine, and on cement concrete pavement and asphalt concrete pavement, test, in experimentation, find, these two kinds of ball blast redeck equipment, the shot of throwing on smooth road and bridge surface, road and bridge surface can be impacted into the small rut that spacing does not wait, increase the roughness and the frictional force of road and bridge surface, improved the running speed of vehicle, guaranteed traffic safety, the shot on the road and bridge surface of dishing out impacts road and bridge surface and impacts the pollutant that gets off, enters into deduster and carries out dedusting.Used deduster in use since shot to impact the dust that gets off more, use a period of time after filter core blocked, the filter core in the deduster need be taken off and carry out cleaning and regeneration, after having cleaned, filter core is installed onto in the deduster uses again.Grow distance at road and bridge surface ball blast shaping car, when large size is worked continuously and is handled road and bridge surface, every operation stretch journey cleaning filter core of need stopping work has prolonged the engineering time, has incured loss through delay construction period, has improved the maintenance expenses of road.
Existing induced draft fan have two kinds, a kind of is centrifugal exhaust fan, another kind is the axial compression induced draft fan, centrifugal exhaust fan is from the center air intake of impeller, the tangent to periphery direction of impeller flows out, the axial compression induced draft fan is made of multi-stage impeller, air inlet through hollow shaft, axially air-out, the blade of centrifugal exhaust fan and axial compression induced draft fan mostly is curved vane, and inequality in the angle of different radial cross section distortions, the complex manufacturing technology of blade, the volume of induced draft fan is big, outlet pressure is little, is unwell on the deduster of road and bridge surface ball blast shaping car to use.
The urgent technical problem that solves of the current need of deduster of road and bridge surface ball blast shaping car provides the induced draft fan that a kind of volume is little, structure is simple and direct, negative pressure is high, air quantity is big, efficient is high.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming of above-mentioned blower, and a kind of induced draft fan of reasonable in design, energy consumption is low, volume is little, negative pressure is low, air quantity is big, using effect is good, construction operation efficient is high used for shot blasting trimmer of road and bridge surfaces deduster is provided.
Solving the problems of the technologies described above the technological scheme that is adopted is: Blower Housing is provided with air outlet tube and the air intake pipe that links with Blower Housing, be provided with impeller in the Blower Housing, the arranged outside of Blower Housing has fan cover, this impeller is: the center at base plate is provided with axle sleeve, and radial equipartition is provided with 4～8 prismatic blades of circumference in equal parts identical in quality on the base plate.
Prismatic blade of the present invention is a rectangle riser and the vertical rectangular base plate that is connected as a single entity with the rectangle riser, the length of rectangle riser is d, height is a, the wide of rectangular base plate is b, the high a of rectangle riser is 1: 2～4 with the ratio of the long d of rectangle riser, the wide b of rectangular base plate is 1: 2～4 with the ratio of the high a of rectangle riser, it is 15 °～30 ° right-angled triangle that the root of rectangle riser cuts angle α with the top, the ratio of length of side d is 1: 2～3 on the upper end length of side c that cuts right-angled triangle and the rectangle riser, a uniform row's inboard aperture and the exclusive side opening that be processed with on rectangular base plate, apertura lateralis and inboard aperture are staggered.
The inboard aperture of prismatic blade rectangular base plate of the present invention has at least 3 and the hole heart point-blank, the hole heart distance of an inboard aperture and an adjacent inboard aperture is 40～80mm, apertura lateralis lacks 1 than inboard aperture, the hole heart of apertura lateralis point-blank, the hole heart of apertura lateralis is apart from equating that with the hole heart distance of an adjacent inboard aperture hole heart line of inboard aperture and the hole heart line of apertura lateralis are parallel with the rectangular base plate outer edge.
An apertura lateralis of prismatic blade rectangular base plate of the present invention be centered close to point midway between adjacent two inboard aperture.
Of the present invention be arranged on the base plate center of circle of same length inboard aperture on the different straight radial blade rectangular base plate in the center of circle of apertura lateralis on the same circumference, on the same length on same circumference.
Impeller of the present invention adopts has prismatic blade in the uniform riveted joint of diametric(al), reduced volume of the present invention, reduced energy consumption, the two eddy current induced draft fans of the present invention and secondary are through contrast test, test result shows, the power that the present invention consumed only is 53% of the two eddy current induced draft fans of secondary, and intake grill air-flow degree of vacuum has reduced 2kpa than the two eddy current induced draft fans of secondary, and the air quantity of exhaust outlet has improved 33% than the two eddy current exhausting of secondary again.Advantage such as that the present invention has is reasonable in design, simple in structure, volume is little, energy consumption is low, degree of vacuum is low, air output is big, using effect is good, be installed in road and bridge surface ball blast shaping car and used for shot blasting trimmer of road and bridge surfaces in repairing road and bridge surface, improved surface roughness.
Description of drawings
Fig. 1 is the plan view of one embodiment of the invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the plan view of Fig. 1 impeller.
Fig. 4 is the sectional view of Fig. 3.
Fig. 5 is the plan view of blade among Fig. 4.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the plan view of Fig. 5.
Embodiment
The present invention is described in more detail below in conjunction with drawings and Examples, but the invention is not restricted to these embodiments.
In Fig. 1,2, the induced draft fan of the used for shot blasting trimmer of road and bridge surfaces deduster of present embodiment is made of fan cover 1, Blower Housing 2, air outlet tube 3, impeller 4, air intake pipe 5 connections.
On Blower Housing 2 with screw threads for fastening coupling and Blower Housing 2 be connected as a single entity air outlet tube 3 and air intake pipe 5, link in air outlet tube 3 and air intake pipe 5 and the Blower Housing 2, impeller 4 is installed in the Blower Housing 2, produce negative pressure during impeller 4 rotation, the outer side surface of Blower Housing 2 is with the screw threads for fastening coupling fan cover 1 that has been fixedly connected.
Fig. 3,4 has provided the structural representation of the impeller 4 of present embodiment.In Fig. 3,4, the impeller 4 of present embodiment is made of base plate 4-1, prismatic blade 4-2, axle sleeve 4-3 connection.There is axle sleeve 4-3 at middle part at base plate 4-1 with rivet, the center of circle of the center of circle of axle sleeve 4-3 and base plate 4-1 coincides, it is on the same circumference in the center of circle that rivet is evenly arranged in base plate 4-1 center, the radial equipartition riveted joint has 6 prismatic blade 4-2 on base plate 4-1,6 prismatic blade 4-2's is identical in quality, and the central angle between the side edge of a prismatic blade 4-2 and the edge, the same side of an adjacent prismatic blade 4-2 is 60 °.
Fig. 5,6,7 has provided the structural representation of the prismatic blade 4-2 of present embodiment.In Fig. 5,6,7, the prismatic blade 4-2 of present embodiment is a rectangle riser and the vertical rectangular base plate that is connected as a single entity with the rectangle riser, the length of rectangle riser is d, the high a of being, the wide of rectangular base plate is b, the high a of rectangle riser is 1: 2.5 with the ratio of the long d of rectangle riser, the wide b of rectangular base plate is 1: 3 with the ratio of the high a of rectangle riser, it is 20 ° right-angled triangle that the root of rectangle riser cuts angle α with the top, and the ratio of length of side d is 1: 2.5 on the upper end length of side c that cuts right-angled triangle and the rectangle riser.On rectangular base plate, be processed with identical hole, two rounds footpath, inboard uniform 3 inboard aperture that the aperture is identical that are processed with, the outside is processed with 2 apertura lateralises that the aperture is identical, the hole heart distance of an inboard aperture and an adjacent inboard aperture is 60mm, the hole heart of apertura lateralis is apart from equating with the hole heart distance of an adjacent inboard aperture, the apertura lateralis center line is parallel with the inboard aperture center line and parallel with the rectangular base plate outer edge, apertura lateralis and inboard aperture are staggered, and the center of two apertura lateralises lays respectively at the point midway between adjacent two inboard aperture.On 6 prismatic blade 4-2 rectangular base plate on the same length center of circle of inboard aperture on same circumference, the center of circle of apertura lateralis is on same circumference on the same length, rectangular base plate apertura lateralis and inboard aperture are used for the base plate 4-1 riveted joint of rectangular base plate with rivet and impeller 4 combined as a whole, this arrangement mode of apertura lateralis and inboard aperture, after the rectangular base plate of prismatic blade 4-2 and the base plate 4-1 riveted joint, when impeller 4 high speed rotating, the rectangular base plate of prismatic blade 4-2 is stressed evenly, stress disperses, avoided the rectangular base plate stress of prismatic blade 4-2 to concentrate, cause prismatic blade 4-2 to come off, so that damage the induced draft fan drawback from base plate 4-1.
Since the present invention adopted this structure blade, dwindled the volume of induced draft fan greatly, reduced the rotary inertia of impeller, the thermal distortion of having avoided base plate 4-1 under welded structure, to be easy to generate, improved induced draft fan negative pressure ratio, the dust on road and bridge surface ball blast shaping car and shot blasting trimmer of road and bridge surfaces shot impact road surface can be drawn into forcefully and carry out dedusting in the deduster.
In the present embodiment, base plate 4-1 goes up the radial equipartition riveted joint 6 prismatic blade 4-2, and 6 prismatic blade 4-2's is identical in quality, and the central angle between the side edge of a prismatic blade 4-2 and the edge, the same side of an adjacent prismatic blade 4-2 is 60 °.
The prismatic blade 4-2 of present embodiment is a rectangle riser and the vertical rectangular base plate that is connected as a single entity with the rectangle riser, the length of rectangle riser is d, the high a of being, the wide of rectangular base plate is b, the high a of rectangle riser is 1: 2 with the ratio of the long d of rectangle riser, the wide b of rectangular base plate is 1: 2 with the ratio of the high a of rectangle riser, it is 15 ° right-angled triangle that the root of rectangle riser cuts angle α with the top, and the ratio of length of side d is 1: 2 on the upper end length of side c that cuts right-angled triangle and the rectangle riser.On rectangular base plate, be processed with identical hole, two rounds footpath, inboard uniform 3 inboard aperture that the aperture is identical that are processed with, the outside is processed with 2 apertura lateralises that the aperture is identical, the hole heart distance of an inboard aperture and an adjacent inboard aperture is 40mm, the hole heart of apertura lateralis is apart from equating that with the hole heart distance of an adjacent inboard aperture apertura lateralis is identical with embodiment 1 with the inboard aperture ordering.The connecting relation of other component and component is identical with embodiment 1.
In the present embodiment, base plate 4-1 goes up the radial equipartition riveted joint 6 prismatic blade 4-2, and 6 prismatic blade 4-2's is identical in quality, and the central angle between the side edge of a prismatic blade 4-2 and the edge, the same side of an adjacent prismatic blade 4-2 is 60 °.
The prismatic blade 4-2 of present embodiment is a rectangle riser and the vertical rectangular base plate that is connected as a single entity with the rectangle riser, the length of rectangle riser is d, the high a of being, the wide of rectangular base plate is b, the high a of rectangle riser is 1: 4 with the ratio of the long d of rectangle riser, the wide b of rectangular base plate is 1: 4 with the ratio of the high a of rectangle riser, it is 30 ° right-angled triangle that the root of rectangle riser cuts angle α with the top, and the ratio of length of side d is 1: 3 on the upper end length of side c that cuts right-angled triangle and the rectangle riser.On rectangular base plate, be processed with identical hole, two rounds footpath, inboard uniform 3 inboard aperture that the aperture is identical that are processed with, the outside is processed with 2 apertura lateralises that the aperture is identical, the hole heart distance of an inboard aperture and an adjacent inboard aperture is 80mm, the hole heart of apertura lateralis is apart from equating that with the hole heart distance of an adjacent inboard aperture apertura lateralis is identical with embodiment 1 with the inboard aperture ordering.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 4
In above embodiment 1～3, on the rectangular base plate of prismatic blade 4-2, be processed with identical hole, two rounds footpath, inboard uniform 4 inboard aperture that the aperture is identical that are processed with, the outside is processed with 3 apertura lateralises that the aperture is identical, the hole heart distance of an inboard aperture and an adjacent inboard aperture is 40mm, the hole heart of apertura lateralis is apart from equating that with the hole heart distance of an adjacent inboard aperture apertura lateralis is identical with embodiment 1 with the inboard aperture ordering.The geometrical shape of the rectangle riser of prismatic blade 4-2 is identical with respective embodiments.The connecting relation of other component and component is identical with respective embodiments.
In above embodiment 1～4, impeller 4 is made of base plate 4-1, prismatic blade 4-2, axle sleeve 4-3 connection.There is axle sleeve 4-3 at center at base plate 4-1 with rivet, base plate 4-1 goes up the radial equipartition riveted joint 4 prismatic blade 4-2,4 prismatic blade 4-2's is identical in quality, and the central angle between the side edge of a prismatic blade 4-2 and the edge, the same side of an adjacent prismatic blade 4-2 is 90 °.The connecting relation of other component and component is identical with respective embodiments.
Embodiment 6
In above embodiment 1～4, impeller 4 is made of base plate 4-1, prismatic blade 4-2, axle sleeve 4-3 connection.There is axle sleeve 4-3 at center at base plate 4-1 with rivet, base plate 4-1 goes up the radial equipartition riveted joint 8 prismatic blade 4-2,8 prismatic blade 4-2's is identical in quality, and the central angle between the side edge of a prismatic blade 4-2 and the edge, the same side of an adjacent prismatic blade 4-2 is 45 °.The connecting relation of other component and component is identical with respective embodiments.
In order to verify beneficial effect of the present invention, the inventor adopts the induced draft fan (being called for short induced draft fan of the present invention during test) of the used for shot blasting trimmer of road and bridge surfaces deduster of the embodiment of the invention 1 preparation to carry out contrast test with the two eddy current induced draft fans of secondary, and test case is as follows:
Test prototype: induced draft fan of the present invention, impeller diameter 450mm is equipped with 6 straight blades on the impeller, and the fan outlet sectional area is 180 * 70mm
2, the air inlet inner diameter is 160mm; Drive motor parameter: rated power 4kw, voltage 380v/50Hz.
The contrast test induced draft fan: the two eddy current induced draft fans of secondary, impeller diameter is 700mm, and 12 bending tablet blades are housed on the impeller; Drive motor parameter: rated power 7.5kw, voltage 380v/50Hz.
Test time: on December 18th, 2009
Test instrument: tachometer, model are M197170, are produced by westernization glass Instr Ltd. in Beijing; Wind gage, model are AVM-05, are produced by Taiyi Electronic Co Ltd; Pressure vacuum gauge, specification are φ 75mm, are produced by the refined moral instrument of Dongguan City Co., Ltd.
1, the performance parameter of test induced draft fan of the present invention
Induced draft fan of the present invention is installed on the deduster of shot blasting trimmer of road and bridge surfaces, tachometer is fixedly mounted on the deduster of shot blasting trimmer of road and bridge surfaces, distance apart from driven pulley is 50mm, pressure vacuum gauge is installed on the deduster of shot blasting trimmer of road and bridge surfaces, intake grill 300mm apart from induced draft fan of the present invention, wind gage is fixedly mounted on the deduster of shot blasting trimmer of road and bridge surfaces, apart from the exhaust outlet 50mm of induced draft fan of the present invention.
Drive motor parameter: rated power 4kw, voltage 380v/50Hz.Connect the power supply of induced draft fan of the present invention, after treating the stabilization of speed of induced draft fan of the present invention, test the rotating speed of the impeller of induced draft fan of the present invention, the degree of vacuum of intake grill air-flow, the wind speed of exhaust outlet air-flow respectively with tachometer, pressure vacuum gauge, wind gage by the working specification of instrument.
Be calculated as follows the exhaust outlet air quantity:
Q＝S×V
Q is exhaust outlet air quantity (m in the formula
3/ h), S is exhaust outlet cross-section area (m
2), V is the airspeed (m/s) of exhaust outlet.
Test and result of calculation see Table 1.
2, the performance parameter of the two eddy current induced draft fans of test secondary
Drive motor parameter: rated power 7.5kw, voltage 380v/50Hz.It is identical to test used instrument and test method and formula and test induced draft fan of the present invention.Test and result of calculation see Table 1
The performance comparison test result of the two eddy current induced draft fans of table 1 induced draft fan of the present invention and secondary
| Test event | Wheel speed (rpm) | Intake grill air-flow degree of vacuum (kpa) | Exhaust outlet air-flow wind speed (m/s) | Exhaust outlet air quantity (m 3/h) |
| Induced draft fan of the present invention | 3800 | -6.5 | 43.2 | 1960 |
| The two eddy current induced draft fans of secondary | 3800 | -4.5 | 32.5 | 1474 |
By table 1 as seen, induced draft fan of the present invention is compared with the two eddy current induced draft fans of secondary, under identical wheel speed situation, the power that induced draft fan of the present invention consumed is 4kw, and the power that the two eddy current induced draft fans of secondary consume reaches 7.5kw, the power that induced draft fan of the present invention consumed only is 53% of the two eddy current induced draft fans of secondary, and intake grill air-flow degree of vacuum has reduced 2kpa than the two eddy current induced draft fans of secondary, and the air quantity of exhaust outlet has improved 33% than the two eddy current exhausting of secondary again.
Claims (5)
1. the induced draft fan of a used for shot blasting trimmer of road and bridge surfaces deduster, Blower Housing (2) is provided with air outlet tube (3) and the air intake pipe (5) that links with Blower Housing (2), be provided with impeller (4) in the Blower Housing (2), the arranged outside of Blower Housing (2) has fan cover (1), said impeller (4) is: be provided with axle sleeve (4-3) at the center of base plate (4-1), base plate (4-1) is gone up 4～8 prismatic blades (4-2) that radial equipartition is provided with circumference in equal parts identical in quality, it is characterized in that: said prismatic blade (4-2) is a rectangle riser and the vertical rectangular base plate that is connected as a single entity with the rectangle riser, the length of rectangle riser is d, height is a, the wide of rectangular base plate is b, the high a of rectangle riser is 1: 2～1: 4 with the ratio of the long d of rectangle riser, the wide b of rectangular base plate is 1: 2～1: 4 with the ratio of the high a of rectangle riser, it is 15 °～30 ° right-angled triangle that the root of rectangle riser cuts angle α with the top, the ratio of length of side d is 1: 2～1: 3 on the upper end length of side c of the right-angled triangle that cuts and the rectangle riser, a uniform row's inboard aperture and the exclusive side opening that be processed with on rectangular base plate, apertura lateralis and inboard aperture are staggered.
2. according to the induced draft fan of the described used for shot blasting trimmer of road and bridge surfaces deduster of claim 1, it is characterized in that: the inboard aperture of said prismatic blade (4-2) rectangular base plate has at least 3 and the hole heart point-blank, the hole heart distance of an inboard aperture and an adjacent inboard aperture is 40～80mm, apertura lateralis lacks 1 than inboard aperture, the hole heart of apertura lateralis point-blank, the hole heart of apertura lateralis is apart from equating that with the hole heart distance of an adjacent inboard aperture hole heart line of inboard aperture and the hole heart line of apertura lateralis are parallel with the rectangular base plate outer edge.
3. according to the induced draft fan of claim 1 or 2 described used for shot blasting trimmer of road and bridge surfaces dedusters, it is characterized in that: an apertura lateralis of said prismatic blade (4-2) rectangular base plate be centered close to point midway between adjacent two inboard aperture.
4. according to the induced draft fan of claim 1 or 2 described used for shot blasting trimmer of road and bridge surfaces dedusters, it is characterized in that: said be arranged on the center of circle that base plate (4-1) goes up same length inboard aperture on different straight radial blades (4-2) rectangular base plate in the center of circle of apertura lateralis on the same circumference, on the same length on same circumference.
5. according to the induced draft fan of the described used for shot blasting trimmer of road and bridge surfaces deduster of claim 3, it is characterized in that: said be arranged on the center of circle that base plate (4-1) goes up same length inboard aperture on different straight radial blades (4-2) rectangular base plate in the center of circle of apertura lateralis on the same circumference, on the same length on same circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101564380A CN101824794B (en) | 2010-04-26 | 2010-04-26 | Exhaust fan of dirt catcher used for shot blasting trimmer of road and bridge surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101564380A CN101824794B (en) | 2010-04-26 | 2010-04-26 | Exhaust fan of dirt catcher used for shot blasting trimmer of road and bridge surfaces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101824794A CN101824794A (en) | 2010-09-08 |
| CN101824794B true CN101824794B (en) | 2011-09-21 |
Family
ID=42688947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101564380A Expired - Fee Related CN101824794B (en) | 2010-04-26 | 2010-04-26 | Exhaust fan of dirt catcher used for shot blasting trimmer of road and bridge surfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101824794B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016399A (en) * | 2012-11-28 | 2013-04-03 | 沈阳化工大学 | Dedusting fan impeller made of composite material |
| CN113400399B (en) * | 2021-06-28 | 2024-08-30 | 江苏远华轻化装备有限公司 | Edge material negative pressure collector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448962Y (en) * | 2000-10-18 | 2001-09-19 | 李志刚 | Compound material made wearing-resistant blower fan for ash exhausting |
| US7179057B2 (en) * | 2004-03-31 | 2007-02-20 | Weir Slurry Group, Inc. | Velocity profile impeller vane |
| JP4126290B2 (en) * | 2004-06-14 | 2008-07-30 | 日立アプライアンス株式会社 | Washing machine pump |
| JP4894438B2 (en) * | 2006-09-28 | 2012-03-14 | 日本電産株式会社 | Centrifugal pump |
| CN201660841U (en) * | 2010-04-26 | 2010-12-01 | 河南省高远公路养护设备有限公司 | Extraction fan of dust collector for road and bridge surface shot blasting shaper |
-
2010
- 2010-04-26 CN CN2010101564380A patent/CN101824794B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101824794A (en) | 2010-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201660841U (en) | Extraction fan of dust collector for road and bridge surface shot blasting shaper | |
| CN206487647U (en) | A kind of low-noise energy-saving flow-mixing blower fan | |
| CN201692886U (en) | Effective multicyclone with adjustable air volume | |
| CN101824794B (en) | Exhaust fan of dirt catcher used for shot blasting trimmer of road and bridge surfaces | |
| CN205127559U (en) | Variable -pitch vortex tube and contain its separation air purification device | |
| CN103170456A (en) | Rectification method of cement powder separator guiding device | |
| CN102644530A (en) | Strengthened cyclone single-barrel straight-through type air filter for desert | |
| CN105003927B (en) | A kind of tail recuperation of heat dedusting integral type coal-burning boiler | |
| CN205639100U (en) | Gather wind type air cleaner | |
| CN108443221A (en) | Centrifugal fan blade and air purification equipment | |
| CN201202070Y (en) | Road and bridge shot blasting shaping vehicle | |
| CN216783227U (en) | High strength vehicle air conditioner flabellum subassembly | |
| CN201660840U (en) | Dust-remover of shot-blasting shaping machine for road/bridge surface | |
| CN206483967U (en) | A kind of horizontal retreading machine of cast used sand | |
| CN205744592U (en) | A kind of fan blade in multi-wing centrifugal fan | |
| CN201522021U (en) | Vimala oil-fume exhaust | |
| CN2377383Y (en) | Axial-flow fan blade | |
| CN204170523U (en) | A kind of cyclone type dust pelletizing system | |
| CN202597140U (en) | Traction fan for railway track train shunting | |
| CN205208761U (en) | Mill uses high -power air purification device | |
| CN209255215U (en) | A kind of centripetal high-efficient powder concentrator | |
| CN204816834U (en) | Fan is raymond mill device of laying dust not | |
| CN102322445A (en) | Axial-flow blower fan impeller | |
| CN203035610U (en) | A large flow and large aspect ratio blade axial flow fan | |
| CN208294795U (en) | A kind of standardization EMU traction motor cooling fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20110921 Termination date: 20180426 |