CN114876868A - High-efficient environmental protection purifier - Google Patents
High-efficient environmental protection purifier Download PDFInfo
- Publication number
- CN114876868A CN114876868A CN202210589962.XA CN202210589962A CN114876868A CN 114876868 A CN114876868 A CN 114876868A CN 202210589962 A CN202210589962 A CN 202210589962A CN 114876868 A CN114876868 A CN 114876868A
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- CN
- China
- Prior art keywords
- arc
- impeller
- shaped body
- protruding part
- blade
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a high-efficiency environment-friendly purification device, which comprises a filtering component, a fan and a treatment box, wherein the fan comprises an impeller and a shell, the impeller comprises a front cover plate (1), a rear cover plate (2), main blades (3) and splitter blades (4), and the high-efficiency environment-friendly purification device is characterized in that: the main blade comprises a first arc-shaped body part (31) and a first protruding part (32), the first protruding part is arranged on the pressure surface side of the main blade, the splitter blade comprises a second arc-shaped body part (41) and a second protruding part (42), the second protruding part is arranged on the negative pressure surface side of the splitter blade, and the second protruding part is located on the radial outer side of the first protruding part. The invention can change the pressure distribution in the impeller flow passage, reduce the pressure loss and improve the wind pressure of the fan while homogenizing the pressure distribution, thereby improving the output pressure of the fan.
Description
Technical Field
The invention relates to the technical field of environment-friendly devices and purification devices, in particular to a high-efficiency environment-friendly purification device and a fan.
Background
As shown in fig. 1, a high-efficient environmental protection purifier, it includes filtering component, the fan, handle the case, be provided with filtering component in the processing case, the fan includes the impeller, the casing, the impeller is installed in the casing and is rotatory under the drive of motor, the impeller includes front shroud 1, back shroud 2, main blade 3, splitter blade 4, a plurality of main blade 3, splitter blade 4 connect between front shroud 1 and back shroud 2 and along circumference distribution, main blade 3 sets up with splitter blade 4 along circumference in turn. It can homogenize pressure distribution and reduce noise. However, the existing impeller structure has the problems of pressure loss and low wind pressure drop when pressure distribution is homogenized.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a high-efficiency environment-friendly purification device.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a high-efficient environmental protection purifier, it includes filtering component, the fan, handle the case, it is provided with filtering component to handle the incasement, the fan includes the impeller, a housing, the impeller mounting is rotatory in the casing and under the drive of motor, the impeller includes front shroud (1), back shroud (2), main blade (3), splitter blade (4), a plurality of main blade, splitter blade connects between front shroud and back shroud and distributes along circumference, main blade sets up its characterized in that along circumference in turn with splitter blade: the main blade (3) comprises a first arc-shaped body part (31) and a first protruding part (32), the first protruding part is arranged on the pressure surface side of the main blade, the splitter blade (4) comprises a second arc-shaped body part (41) and a second protruding part (42), the second protruding part is arranged on the negative pressure surface side of the splitter blade, and the second protruding part is located on the radial outer side of the first protruding part.
Further, the first protrusion (32) comprises a first arc-shaped surface (33) and a first connection surface (34), the first arc-shaped surface is arranged in a manner of being substantially tangent to the first arc-shaped body, the first connection surface is a straight surface or an arc-shaped surface, and a chord of the straight surface, which is perpendicular to the first arc-shaped body (31) or the arc-shaped surface, is perpendicular to the first arc-shaped body; the second convex part (42) is an arc convex part.
Further, the impeller has an outer radius R, the splitter vane (4) has an outer radius R1, the splitter vane has an inner radius R2, and R1 ═ (0.85-0.95) R, and R2 ═ (0.55-0.7) R.
Further, the second boss (42) is disposed at an outer radius R1, and the first connection face (34) of the first boss (32) is disposed at substantially an inner radius R2.
Further, the maximum circumferential thickness of the first protruding portion (32) is 1.5-3 times of the thickness of the first arc-shaped body portion (31), and the maximum circumferential thickness of the second protruding portion (42) is 1.5-2.5 times of the thickness of the second arc-shaped body portion (41).
Further, a hub portion (21) is arranged on the radial inner side of the rear cover plate (2), a hub arc-shaped surface (22) is arranged on the impeller inner side of the hub portion, the main blade (3) is provided with a front edge (35), and the radial inner end of the front edge is approximately connected to the middle position of the hub arc-shaped surface.
According to the environment-friendly purification device, when the fan operates, the first bulge part and the second bulge part are arranged (the first bulge part is matched with the second bulge part), so that the pressure distribution in the impeller flow channel can be changed, and the impeller structure can reduce pressure loss and improve the wind pressure of the fan while homogenizing the pressure distribution, so that the output pressure of the fan is improved.
Drawings
FIG. 1 is a prior art impeller structure;
FIG. 2 is a front view of the impeller structure of the present invention;
FIG. 3 is a top view of the impeller structure of the present invention;
fig. 4 is a partially enlarged structural view of the impeller of the present invention.
In the figure: the front shroud 1, the rear shroud 2, the main blade 3, the splitter blade 4, the hub 21, the hub arc surface 22, the first arc body 31, the first protrusion 32, the first arc surface 33, the first connection surface 34, the front edge 35, the second arc body 41, the second protrusion 42, and the rotation direction Rv.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2-4, a high-efficient environmental protection purifier, it includes filtering component, the fan, handle the case, be provided with filtering component in the processing case, the fan includes the impeller, the casing, the impeller is installed in the casing and is rotatory under the drive of motor, the impeller includes front shroud 1, back shroud 2, main blade 3, splitter blade 4, a plurality of main blade 3, splitter blade 4 is connected between front shroud 1 and back shroud 2 and is distributed along circumference, main blade 3 sets up its characterized in that along circumference in turn with splitter blade 4: the main blade 3 includes a first arc-shaped body portion 31 and a first protrusion portion 32, the first protrusion portion 32 is disposed on the pressure surface side of the main blade 3, the splitter blade 4 includes a second arc-shaped body portion 41 and a second protrusion portion 42, the second protrusion portion 42 is disposed on the negative pressure surface side of the splitter blade 4, and the second protrusion portion 42 is located radially outside the first protrusion portion 32.
When the fan of the invention operates, the first bulge part 32 and the second bulge part 42 are arranged, so that the pressure distribution in the flow channel of the impeller can be changed, and the impeller structure can reduce pressure loss and improve the wind pressure of the fan while homogenizing the pressure distribution, thereby improving the output pressure of the fan.
Further, the first protrusion 32 includes a first arc surface 33, a first connection surface 34, the first arc surface 33 is substantially tangent to the first arc body 31, and the first connection surface 34 is a straight surface or an arc surface, and a chord of the straight surface perpendicular to the first arc body 31 or the arc surface is perpendicular to the first arc body 31. The second boss 42 is an arc-shaped boss.
The impeller (front shroud 1, back shroud 2) has an outer radius R, the splitter vane 4 has an outer radius R1, the splitter vane 4 has an inner radius R2, and R1 ═ 0.85-0.95R, and R2 ═ 0.55-0.65R.
The second boss 42 is disposed at an outer radius R1 and the first connection face 34 of the first boss 32 is disposed at a substantially inner radius R2. The maximum circumferential thickness of the first projecting portion 32 is 1.5 to 3 times the thickness of the first arc-shaped body portion 31, and the maximum circumferential thickness of the second projecting portion 42 is 1.5 to 2.5 times the thickness of the second arc-shaped body portion 41.
According to the environment-friendly purification device, the impeller is designed by matching the first bulge part 32 with the second bulge part 42, so that the pressure loss can be further reduced, the wind pressure of the fan can be improved, and the output pressure of the fan can be improved.
The radial inner side of the rear cover plate 2 is provided with a hub part 21, the impeller inner side of the hub part 21 is provided with a hub arc surface 22, the main blade 3 is provided with a leading edge 35, and the radial inner end of the leading edge 35 is approximately connected to the middle position of the hub arc surface 22.
According to the efficient and environment-friendly purification device, when the fan operates, the first bulge part and the second bulge part are arranged (the first bulge part 32 is matched with the second bulge part 42), so that the pressure distribution in the impeller flow channel can be changed, and the impeller structure can reduce pressure loss and improve the wind pressure of the fan while homogenizing the pressure distribution, so that the output pressure of the fan is improved.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-efficient environmental protection purifier, it includes filtering component, the fan, handle the case, it is provided with filtering component, the fan to handle the incasement, the fan includes the impeller, a housing, the impeller is installed in the casing and is rotatory under the drive of motor, the impeller includes front shroud (1), back shroud (2), main blade (3), splitter blade (4), a plurality of main blade, splitter blade connect between front shroud and back shroud and along circumference distribution, main blade sets up its characterized in that along circumference in turn with splitter blade: the main blade (3) comprises a first arc-shaped body part (31) and a first protruding part (32), the first protruding part is arranged on the pressure surface side of the main blade, the splitter blade (4) comprises a second arc-shaped body part (41) and a second protruding part (42), the second protruding part is arranged on the negative pressure surface side of the splitter blade, and the second protruding part is located on the radial outer side of the first protruding part.
2. A high efficiency environmental protection purification apparatus, as claimed in claim 1, wherein the first protrusion (32) comprises a first arc-shaped surface (33) disposed substantially tangentially to the first arc-shaped body portion, a first connection surface (34) being a straight surface or an arc-shaped surface, a chord of the straight surface perpendicular to the first arc-shaped body portion (31) or the arc-shaped surface being perpendicular to the first arc-shaped body portion; the second convex part (42) is an arc convex part.
3. The high-efficiency environment-friendly purification device as claimed in claim 2, wherein the impeller has an outer radius R, the splitter vane (4) has an outer radius R1, the splitter vane has an inner radius R2, and R1 ═ R (0.85-0.95) and R2 ═ R (0.55-0.7).
4. A high efficiency environmental cleaning apparatus according to claim 3, wherein the second protrusion (42) is disposed at an outer radius R1, and the first connecting surface (34) of the first protrusion (32) is disposed at a substantially inner radius R2.
5. An efficient environmental protection purification apparatus according to claim 4, wherein the maximum circumferential thickness of the first protrusion (32) is 1.5-3 times of the thickness of the first arc-shaped body part (31), and the maximum circumferential thickness of the second protrusion (42) is 1.5-2.5 times of the thickness of the second arc-shaped body part (41).
6. A high-efficiency environment-friendly purification device as claimed in claim 5, wherein the radial inner side of the back cover plate (2) is provided with a hub part (21), the impeller inner side of the hub part is provided with a hub arc surface (22), the main blade (3) is provided with a front edge (35), and the radial inner end of the front edge is connected to the hub arc surface approximately at the middle position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589962.XA CN114876868A (en) | 2022-05-27 | 2022-05-27 | High-efficient environmental protection purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589962.XA CN114876868A (en) | 2022-05-27 | 2022-05-27 | High-efficient environmental protection purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114876868A true CN114876868A (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210589962.XA Pending CN114876868A (en) | 2022-05-27 | 2022-05-27 | High-efficient environmental protection purifier |
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| Country | Link |
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| CN (1) | CN114876868A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464664A (en) * | 2023-05-31 | 2023-07-21 | 江苏大学流体机械温岭研究院 | Water and fertilizer integrated system and fertilizer pump thereof |
-
2022
- 2022-05-27 CN CN202210589962.XA patent/CN114876868A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464664A (en) * | 2023-05-31 | 2023-07-21 | 江苏大学流体机械温岭研究院 | Water and fertilizer integrated system and fertilizer pump thereof |
| CN116464664B (en) * | 2023-05-31 | 2024-04-02 | 台州科技职业学院 | Water and fertilizer integrated system and fertilizer pump thereof |
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