CN111550420A - Inside automatically cleaning high-efficient centrifugal fan - Google Patents
Inside automatically cleaning high-efficient centrifugal fan Download PDFInfo
- Publication number
- CN111550420A CN111550420A CN202010424074.3A CN202010424074A CN111550420A CN 111550420 A CN111550420 A CN 111550420A CN 202010424074 A CN202010424074 A CN 202010424074A CN 111550420 A CN111550420 A CN 111550420A
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- CN
- China
- Prior art keywords
- fixedly connected
- casing
- side wall
- air inlet
- impeller
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
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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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Abstract
The invention belongs to the field of ventilation and correlation, and particularly relates to an internal self-cleaning high-efficiency centrifugal ventilator which comprises a shell, wherein an impeller is arranged in the shell, a driving mechanism is arranged on the outer side wall of the shell, the driving mechanism drives the impeller to rotate through a rotating shaft, a plurality of supporting pieces are fixedly connected to the inner side wall of the shell, the same sliding ring is connected to the supporting pieces in a sliding mode, a connecting block is fixedly connected to the upper end of the sliding ring, a fin plate is fixedly connected to the upper end of the connecting block, sliding rods are fixedly connected to two ends of the connecting block and are connected with the inner side wall of the shell in a sliding mode, a fixing sleeve is fixedly sleeved on the sliding rods, a brush plate is fixedly connected to one side, close to the inner side wall of the shell, of the fixing sleeve. The invention can automatically lift dust in the cleaning shell during the working period of the ventilator by arranging the sliding ring.
Description
Technical Field
The invention belongs to the field related to centrifugal ventilators, and particularly relates to an internal self-cleaning high-efficiency centrifugal ventilator.
Background
Centrifugal ventilators are machines that increase the pressure of gas and discharge the gas by means of mechanical energy input, and are widely used in almost every industry, such as ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, and the like.
And because its application is very extensive, the operational environment is also different, when external air quality is relatively poor, general centrifugal fan is because its structure is fixed, only can carry out induced air rethread air-out through the impeller and push out the air, but because the air inlet section of thick bamboo does not have the selectivity to the air is inhaled, make a large amount of dust that exists in the air of being inhaled, impurity, pollutant or even corrosives a major part attach to inside pipeline and the ventilation blower, lead to the inside accumulational pollutant of ventilation blower casing more and more but be difficult to automatic discharge, simultaneously because the wholeness of the device of ventilation blower is stronger, make it dismantle engineering complicacy and loaded down with trivial details, lead to the inside cleaning work of air inlet machine to be difficult to go on, only can let by a large amount of accumulations of inside pollutant and dust, and then make the life of.
To this end, we propose an internal self-cleaning high efficiency centrifugal ventilator to solve the above problems.
Disclosure of Invention
The invention aims to solve the problem that a large amount of pollutants are accumulated in the interior and are difficult to clean, and provides an internal self-cleaning high-efficiency centrifugal fan which can automatically sweep and discharge dust and other pollutants and enhance air inlet efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme: an internal self-cleaning high-efficiency centrifugal ventilator comprises a shell, wherein an impeller is arranged in the shell, a driving mechanism is arranged on the outer side wall of the shell, the driving mechanism drives the impeller to rotate through a rotating shaft, a plurality of supporting pieces are fixedly connected to the inner side wall of the shell corresponding to the impeller, the supporting pieces are connected with the same sliding ring in a sliding manner, the upper end of the sliding ring is fixedly connected with a connecting block, a fin plate is fixedly connected to the upper end of the connecting block, sliding rods are fixedly connected to the two ends of the connecting block and are connected with the inner side wall of the shell in a sliding manner, a fixing sleeve is fixedly sleeved on the sliding rods, a brush plate is fixedly connected to one side, close to the inner side wall of the shell, of the fixing sleeve through a plurality of fixing blocks, bristles are fixedly connected to the, an air inlet cylinder penetrates through the side wall of the shell corresponding to the axis of the impeller.
In the above internal self-cleaning high-efficiency centrifugal ventilator, the support member includes an arc-shaped support ring, the support ring is slidably connected to the sliding ring, and the lower end of the support ring is fixedly connected to the inner side wall of the housing through the support block.
In the above internal self-cleaning high-efficiency centrifugal ventilator, an annular groove is formed in the inner side wall of the housing at a position corresponding to the sliding rod, and the sliding rod is slidably connected with the annular groove.
In the internal self-cleaning high-efficiency centrifugal ventilator, a screen plate is arranged in the air inlet cylinder and is fixedly connected with the inner side wall of the air inlet cylinder.
In the above internal self-cleaning high-efficiency centrifugal ventilator, the inner side wall of the air inlet cylinder is fixedly connected with a plurality of thread strips, and the thread directions of the thread strips are the same.
Compared with the prior art, this high-efficient centrifugal fan of inside automatically cleaning's advantage lies in:
1. according to the invention, by arranging the sliding ring, external air is sucked into the shell after the impeller of the centrifugal ventilator rotates, the air passes through the air inlet cylinder and then passes through the impeller and can almost be regarded as vertically impacting the inner side wall of the shell from the circle center of the impeller, at the moment, due to the existence of the fins in the shell, air flow is guided to ensure that air flow rates at two sides of the fins are different, the fins are subjected to thrust according to the Bernoulli principle, the thrust exerted on the fins is symmetrical relative to the axis of the circle center of the sliding ring, the fins are stressed to push the rod sliding ring to move, meanwhile, the sliding rod drives the corresponding brush plate to rotate through the fixed block, and the bristles scrape and clean the inner side wall of the shell, and due to the arrangement of the air outlet cylinder, the bristles are not contacted with the shell of the side wall any more when rotating to the position relative to the air outlet cylinder, and meanwhile, the dust pushed, Pollutant and residue etc. are upwards raised, are driven by the produced output wind of centrifuge simultaneously and release the casing, avoid a large amount of dust pollutants to pile up inside the casing, influence the work efficiency and the life of fan.
2. The invention is provided with the thread strips, when the ventilator works, a large amount of outside air is sucked from the air inlet cylinder, wherein, a part of air comes from the left side and the right side of the air inlet cylinder but not from the direction opposite to the air inlet cylinder, the part of air has certain direction inclination after being sucked into the air inlet cylinder, and continues to flow in the air inlet cylinder until impacting the side wall of the air inlet cylinder, a part of air is converged by the main stream horizontal wind, while the other part of air is reflected after impacting and continues to move in the air inlet cylinder in an inclined posture, so that a plurality of air flows in different directions in the air inlet cylinder are impacted or pushed mutually to form a turbulent flow area, the air inlet efficiency of the ventilator is retarded to a certain degree, and due to the arrangement of the thread strips, after the inclined wind flow impacts the side wall of the air inlet cylinder once, the channel between the two thread strips can limit the inclined air flow formed after impacting, the oblique air flow generated by secondary reflection is greatly reduced, the probability of generating a turbulent flow area in the air inlet cylinder is reduced, and the integral air inlet efficiency of the ventilator is further improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of an internal self-cleaning high-efficiency centrifugal ventilator provided by the invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of an embodiment 2 of an internal self-cleaning high-efficiency centrifugal ventilator provided by the invention;
fig. 4 is a schematic view of an internal structure of an air inlet funnel in embodiment 2 of an internal self-cleaning high-efficiency centrifugal ventilator provided by the present invention.
In the figure, 1 shell, 2 impellers, 3 rotating shafts, 4 supporting pieces, 5 sliding rings, 6 connecting blocks, 7 fin plates, 8 sliding rods, 9 fixing sleeves, 10 fixing blocks, 11 brush plates, 12 bristles, 13 air outlet cylinders, 14 air inlet cylinders, 15 supporting rings, 16 supporting blocks, 17 annular grooves, 18 screen plates and 19 thread strips.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1-2, an inside self-cleaning high-efficiency centrifugal fan comprises a housing 1, an impeller 2 is arranged in the housing 1, a driving mechanism is arranged on the outer side wall of the housing 1, the driving mechanism drives the impeller 2 to rotate through a rotating shaft 3, a plurality of supporting pieces 4 are fixedly connected to the inner side wall of the housing 1 corresponding to the impeller 2, the same sliding ring 5 is connected to the plurality of supporting pieces 4 in a sliding manner, specifically, each supporting piece 4 comprises an arc-shaped supporting ring 15, the supporting ring 15 is connected with the sliding ring 5 in a sliding manner, the lower end of the supporting ring 15 is fixedly connected with the inner side wall of the housing 1 through a supporting block 16, and the.
In this embodiment, 5 upper ends fixedly connected with connecting blocks 6 of slip rings, 6 upper ends fixedly connected with finned plate 7 of connecting blocks, the equal fixedly connected with slide bar 8 in connecting blocks 6 both ends, slide bar 8 and 1 inside wall sliding connection of casing, it is worth mentioning that, the position that the inside wall of casing 1 corresponds slide bar 8 is equipped with ring channel 17, slide bar 8 and ring channel 17 sliding connection.
In this embodiment, the fixed sleeve 9 is fixedly sleeved on the sliding rod 8, one side of the fixed sleeve 9 close to the inner side wall of the housing 1 is fixedly connected with a brush plate 11 through a plurality of fixed blocks 10, the lower end of the brush plate 11 is fixedly connected with bristles 12, and the bristles 12 are in contact with the inner side wall of the housing 1 in an abutting mode.
In this embodiment, the upper end of the casing 1 is provided with an air outlet barrel 13, and it should be mentioned that the air outlet barrel 13 is vertically arranged upwards, and an air inlet barrel 14 is arranged on the side wall of the casing 1 and penetrates through the axis of the impeller 2.
In this embodiment, the arrangement of the sliding ring 5, because the impeller 2 of the centrifugal fan sucks the outside air into the casing 1 after rotating, the air passes through the air inlet cylinder 14 and then passes through the impeller 2, and can almost be regarded as vertically impacting the inner side wall of the casing 1 from the center of the circle of the impeller 2, at this time, because of the existence of the fin plate 7 in the casing 1, the air flow is guided to cause the air flow on the two sides of the fin plate 7 to be different in air flow rate, and according to bernoulli's principle, the fin plate 7 bears the thrust, and the thrust borne by the plurality of fin plates 7 is symmetrical relative to the center axis of the circle of the sliding ring 5, the plurality of fin plates 7 are forced to push the sliding ring 5 to move, and meanwhile, the sliding rod 8 drives the corresponding brush plate 11 to rotate through the fixed block, and causes the bristles 12 to scrape and clean the inner side wall of the casing 1, and because of the air outlet cylinder 13, the vertical upwards setting of play dryer 13 simultaneously for dust, pollutant and residue etc. that are promoted by brush hair 12 are upwards raised, are driven by the produced output wind of centrifuge simultaneously and release casing 1, avoid a large amount of dust pollutants to pile up inside casing 1, influence the work efficiency and the life of fan.
The working principle of the embodiment is as follows: after the ventilator is started, the impeller 2 inside the casing 1 rotates, at this time, because the impeller 2 of the centrifugal ventilator can suck outside air into the casing 1 after rotating, the air passes through the air inlet cylinder 14 and then passes through the impeller 2, the air can almost be regarded as vertically impacting the inner side wall of the casing 1 from the circle center of the impeller 2, at this time, because of the existence of the fin plate 7 in the casing 1, the air flow is guided to lead the air flow at two sides of the fin plate 7 to have different air flow rates, and according to the Bernoulli principle, the fin plate 7 bears the thrust, and the thrust borne by the fin plates 7 is symmetrical relative to the axis of the circle center of the sliding ring 5, the fin plates 7 bear the force to push the sliding ring 5 to move, meanwhile, the sliding rod 8 drives the corresponding brush plate 11 to rotate through the fixed block, and leads the brush bristles 12 to scrape and clean the inner side wall of the casing 1, and because of the air outlet cylinder 13, the brush bristles, meanwhile, the air outlet cylinder 13 is vertically arranged upwards, so that dust, pollutants, residues and the like pushed by the bristles 12 are lifted upwards and are driven by output air generated by the centrifugal machine to be pushed out of the shell 1.
Example 2
As shown in fig. 3 to 4, the present embodiment is different from embodiment 1 in that: the arrangement of the thread strips 19, when the ventilator works, a large amount of outside air is sucked from the air inlet cylinder 14, wherein a part of air comes from the left and right sides of the air inlet cylinder 14 but not from the direction opposite to the air inlet cylinder 14, the part of air has a certain direction inclination after being sucked into the air inlet cylinder 14, and continues to flow in the air inlet cylinder 14 until impacting the side wall of the air inlet cylinder 14, a part of air is converged by the horizontal wind of the main stream, and the other part of air is reflected after impacting and continues to move in the air inlet cylinder 14 in an inclined posture, so that a turbulent area is formed in the air inlet cylinder 14 when a plurality of air streams in different directions impact or push each other, the air inlet efficiency of the ventilator is slowed down to a certain degree, and due to the arrangement of the thread strips 19, after the inclined wind stream impacts the side wall of the air inlet cylinder 14 once, the channels formed between the two thread strips 19 can limit the inclined air stream formed after impacting, the oblique air flow generated by the secondary reflection is greatly reduced, the probability of generating a turbulent flow area in the air inlet cylinder 14 is reduced, and the integral air inlet efficiency of the ventilator is further improved.
The working principle of the embodiment is as follows: when the air inlet cylinder 14 absorbs the outside air, a large amount of air is sucked from the air inlet cylinder 14, wherein a part of the air comes from the left and right sides of the air inlet cylinder 14 instead of the direction opposite to the air inlet cylinder 14, the part of the air is inclined in a certain direction after being sucked into the air inlet cylinder 14, and continues to flow in the air inlet cylinder 14 until the air hits the side wall of the air inlet cylinder 14, a part of the air is converged by the main stream of horizontally-oriented air, and the other part of the air is reflected after the air hits and continues to move in the air inlet cylinder 14 in an inclined posture, so that a plurality of air streams in different directions hit or push each other in the air inlet cylinder 14 to form a turbulent flow zone, the air inlet efficiency of the ventilator is retarded to a certain extent, and due to the arrangement of the thread strips 19, after the inclined air stream hits the side wall of the air inlet cylinder 14 once, the channels formed between the two thread strips 19 can limit the inclined air stream formed after the hit, the oblique air flow generated by the secondary reflection is greatly reduced, the probability of generating a turbulent flow area in the air inlet cylinder 14 is reduced, and the integral air inlet efficiency of the ventilator is further improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides an inside automatically cleaning high-efficient centrifugal fan, includes casing (1), be equipped with impeller (2) in casing (1), casing (1) lateral wall is equipped with actuating mechanism, actuating mechanism drives impeller (2) through pivot (3) and rotates, its characterized in that, the position fixedly connected with a plurality of support piece (4) of casing (1) inside wall corresponding impeller (2), and is a plurality of sliding connection has same slip ring (5) on support piece (4), the fixedly connected with connecting block (6) in slip ring (5) upper end, the fixedly connected with finned plate (7) in connecting block (6) upper end, connecting block (6) both ends all fixedly connected with slide bar (8), slide bar (8) and casing (1) inside wall sliding connection, the fixed cover (9) that has cup jointed on slide bar (8), fixed cover (9), one side that fixed cover (9) are close to casing (1) inside wall is through a plurality of fixed block (10) fixedly connected with brush board (11), brush board (11) lower extreme fixedly connected with brush hair (12), just brush hair (12) and casing (1) inside wall counterbalance contact, casing (1) upper end is equipped with out a tuber pipe (13), the axle center department that corresponds impeller (2) on casing (1) lateral wall runs through and is equipped with an air inlet section of thick bamboo (14).
2. An internal self-cleaning high-efficiency centrifugal fan according to claim 1, characterized in that the support (4) comprises an arc-shaped support ring (15), the support ring (15) is slidably connected with a sliding ring, and the lower end of the support ring (15) is fixedly connected with the inner side wall of the housing (1) through a support block (16).
3. An internal self-cleaning high-efficiency centrifugal fan according to claim 1, wherein the inner side wall of the housing (1) is provided with an annular groove (17) at a position corresponding to the sliding rod (8), and the sliding rod (8) is slidably connected with the annular groove (17).
4. The internal self-cleaning high-efficiency centrifugal ventilator as claimed in claim 1, wherein a screen plate (18) is arranged in the air inlet cylinder (14), and the screen plate (18) is fixedly connected with the inner side wall of the air inlet cylinder (14).
5. The internal self-cleaning high-efficiency centrifugal fan as claimed in claim 1, wherein a plurality of threaded strips (19) are fixedly connected to the inner side wall of the air inlet drum (14), and the plurality of threaded strips (19) have the same spiral direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424074.3A CN111550420B (en) | 2020-05-19 | 2020-05-19 | Internal self-cleaning centrifugal ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424074.3A CN111550420B (en) | 2020-05-19 | 2020-05-19 | Internal self-cleaning centrifugal ventilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111550420A true CN111550420A (en) | 2020-08-18 |
| CN111550420B CN111550420B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010424074.3A Active CN111550420B (en) | 2020-05-19 | 2020-05-19 | Internal self-cleaning centrifugal ventilator |
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| Country | Link |
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| CN (1) | CN111550420B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107901A (en) * | 2021-04-02 | 2021-07-13 | 宁波方太厨具有限公司 | Volute of range hood, fan, range hood and cleaning method of volute |
| CN117090811A (en) * | 2023-10-16 | 2023-11-21 | 苏州顶裕节能设备有限公司 | Acid-base waste gas fan cleaning mechanism |
| CN117905717B (en) * | 2024-03-19 | 2024-05-14 | 青州市惠农机械有限公司 | Indoor strong current-converting fan |
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| US3720253A (en) * | 1971-04-02 | 1973-03-13 | Ballas Egg Prod Corp | Egg white spray drying apparatus and method |
| CN102072205A (en) * | 2010-11-19 | 2011-05-25 | 苏州顶裕节能设备有限公司 | Cleaning brush of fan |
| CN105626552A (en) * | 2016-02-22 | 2016-06-01 | 柴俊麟 | Spiral centrifugal fan and air treatment device |
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| CN209145970U (en) * | 2018-09-26 | 2019-07-23 | 无锡市双超风机有限公司 | It is a kind of convenient for dust-proof blower housing |
| CN110461773A (en) * | 2017-02-17 | 2019-11-15 | 华轮水务创新有限公司 | Liquid processing system |
| CN110701115A (en) * | 2019-11-04 | 2020-01-17 | 南通通富风机设备有限公司 | Diagonal flow fan |
| CN210178609U (en) * | 2019-05-24 | 2020-03-24 | 江苏精彩风机制造有限公司 | Prevent large-scale centrifugal fan of jam |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3720253A (en) * | 1971-04-02 | 1973-03-13 | Ballas Egg Prod Corp | Egg white spray drying apparatus and method |
| CN102072205A (en) * | 2010-11-19 | 2011-05-25 | 苏州顶裕节能设备有限公司 | Cleaning brush of fan |
| CN105626552A (en) * | 2016-02-22 | 2016-06-01 | 柴俊麟 | Spiral centrifugal fan and air treatment device |
| CN110461773A (en) * | 2017-02-17 | 2019-11-15 | 华轮水务创新有限公司 | Liquid processing system |
| CN107701506A (en) * | 2017-10-16 | 2018-02-16 | 安徽埃斯克制泵有限公司 | Centrifugal pump impeller |
| CN209145970U (en) * | 2018-09-26 | 2019-07-23 | 无锡市双超风机有限公司 | It is a kind of convenient for dust-proof blower housing |
| CN210178609U (en) * | 2019-05-24 | 2020-03-24 | 江苏精彩风机制造有限公司 | Prevent large-scale centrifugal fan of jam |
| CN110701115A (en) * | 2019-11-04 | 2020-01-17 | 南通通富风机设备有限公司 | Diagonal flow fan |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107901A (en) * | 2021-04-02 | 2021-07-13 | 宁波方太厨具有限公司 | Volute of range hood, fan, range hood and cleaning method of volute |
| CN117090811A (en) * | 2023-10-16 | 2023-11-21 | 苏州顶裕节能设备有限公司 | Acid-base waste gas fan cleaning mechanism |
| CN117090811B (en) * | 2023-10-16 | 2024-01-26 | 苏州顶裕节能设备有限公司 | Acid-base waste gas fan cleaning mechanism |
| CN117905717B (en) * | 2024-03-19 | 2024-05-14 | 青州市惠农机械有限公司 | Indoor strong current-converting fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111550420B (en) | 2021-06-04 |
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