CN103850960A - Centrifugal fan for dust collector - Google Patents
Centrifugal fan for dust collector Download PDFInfo
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- CN103850960A CN103850960A CN201410111403.3A CN201410111403A CN103850960A CN 103850960 A CN103850960 A CN 103850960A CN 201410111403 A CN201410111403 A CN 201410111403A CN 103850960 A CN103850960 A CN 103850960A
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Abstract
The invention discloses a centrifugal fan for a dust collector, which belongs to the technical field of a fan. The centrifugal fan comprises a motor, a shell, a supporting frame and an impeller, wherein both the motor and the shell are fixed on the supporting frame, the motor is a high-frequency speed-regulation three-phase asynchronous motor, the side surface of the shell is provided with a reinforced ribbed plate which is shaped like a Chinese character JING, the supporting frame adopts an integrally-molded structure, the impeller comprises a chassis, blades and an air inlet ring, the chassis is coaxial with the air inlet ring, the blades are fixed between the chassis and the air inlet ring, the blades are annularly distributed in an array manner around the chassis, the impeller is arranged in the shell and fixedly connected with an output rotating shaft of the motor through the chassis, the shell is provided with an air inlet end and an air outlet end, and the air inlet end is matched with the air inlet ring. The centrifugal fan is reasonable in structure design, convenient to use, stable in work, reliable to run, convenient to install and repair, high in efficiency and low in energy consumption.
Description
Technical field
The present invention relates to blower fan, more particularly, relate to a kind of deduster centrifugal blower.
Background technique
Well-known centrifugal fan structure is made up of volute of blower, centrifugal impeller, connecting plate, fan shaft, belt pulley etc., connecting plate is fixed by bolts on the axle bed of device fan shaft, centrifugal impeller is fixed on fan shaft, central authorities' open-work is identical with volute of blower, volute of blower is fixed by bolt and connecting plate, fan shaft is by the belt pulley on it by motor driven rotary, and the centrifugal impeller that rotarily drives of fan shaft rotates.The centrifugal blower of this structure, although can reach some technical requirements, noise is larger, working efficiency is lower, between belt and belt pulley, needs gasoline to be lubricated, and has increased the user cost of blower fan.
China Patent No.: ZL201120082422.X, notice of authorization day is on August 24th, 2011, invention and created name is: a kind of centrifugal fan, this application case discloses a kind of centrifugal fan, comprise base, support, impeller, spiral case, belt and motor, motor is fixed on base, connects impeller by belt.On described spiral case, be provided with intake grill and exhaust outlet, spiral case is fixed on base, and a side of spiral case is strengthened being fixed on base by support; Described impeller is Multivane impeller, between intake grill and exhaust outlet in spiral case; Slip ring is arranged in spiral case, between impeller and exhaust outlet, plays rectification, Noise Reduction.Although this application case applicability is strong, efficiency is high, can be widely used in the making of centrifugal blower, but motor in this application case is to be connected with impeller by belt, adopt belt pulley transmission there will be elasticity sliding motion and skid, and transmission efficiency is lower and can not keep accurately the problems such as velocity ratio; When same large peripheral force is transmitted in belt pulley transmission, overall size and axle upward pressure are larger than engagement driving; Cause the life-span of belt pulley drivign belt shorter, need to change in time belt, lose time and material, reduce the working efficiency of blower fan, affect the long-term use of blower fan.
Summary of the invention
1. the technical problem that invention will solve
The object of the invention is to overcome the ineffective deficiency of blower fan that deduster of the prior art uses, a kind of deduster centrifugal blower is provided, adopt technological scheme of the present invention, compact overall structure, lightweight, noise is little, flow is large, motor and blower fan direct connection, transmission efficiency is high, economizes on resources, easy to use, floor space is little.
2. technological scheme
For achieving the above object, technological scheme provided by the invention is:
A kind of deduster centrifugal blower of the present invention, comprise motor, casing, supporting frame and impeller, described motor and casing are all fixed on supporting frame, described motor is high-frequency timing threephase asynchronous machine, described casing side is provided with " well " word and strengthens gusset, described supporting frame adopts integrated formed structure, described impeller comprises chassis, blade and air supplying ring, described chassis and air supplying ring coaxially arrange, described blade is fixed between chassis and air supplying ring, and blade is take the center of circle on chassis as round dot circular array distributes, described impeller is arranged on casing inside, and be connected mutually by chassis and the output revolving shaft of motor, on described casing, offer air intake and outlet air end, described air intake and above-mentioned air supplying ring match.
Further, described blade is blade tip near the one end in the center of circle, is blade root away from the one end in the center of circle, and described blade root is extended to blade tip along arc and radian is increased progressively by blade root to blade tip.
Further, described blade number is 8-12, between adjacent two blades, forms runner.
Further, described air intake is connected with outlet air end by the runner of above-mentioned impeller.
Further, on described casing, be also provided with the deashing door for clearing up casing internal dust.
Further, on described casing, be coated with antiseptic oil enamelled coating.
3. beneficial effect
Adopt technological scheme provided by the invention, compared with existing known technology, there is following beneficial effect:
(1) a kind of deduster centrifugal blower of the present invention, its impeller is arranged on casing inside, and be connected mutually by chassis and the output revolving shaft of motor, impeller comprises chassis, blade and air supplying ring, and blade is fixed between chassis and air supplying ring, and blade is take the center of circle on chassis as round dot circular array distributes, this structure can make air-flow have no to stop and enter motor from air supplying ring, flow out from runner again, improved greatly air quantity, reduce the noise that air-flow and electromechanical shock produce simultaneously;
(2) a kind of deduster centrifugal blower of the present invention, its motor adopts high-frequency timing threephase asynchronous machine, with blower fan direct connection, has reduced the vibrations of blower fan, has improved motor efficiency of transmission, has increased air quantity simultaneously;
(3) a kind of deduster centrifugal blower of the present invention is also provided with deashing door on casing, for the component of on-call maintenance nursing blower fan inside, and the dust of cleaning casing inside, guarantee the clean and tidy clean of fan casing inside, extend service life of fan;
(4) a kind of deduster centrifugal blower of the present invention, reasonable in design, easy to use, stable working, reliable, installation, maintenance is convenient, and efficiency is high, and energy consumption is low.
Accompanying drawing explanation
Fig. 1 is the plan view of a kind of deduster centrifugal blower of the present invention;
Fig. 2 is the left view of a kind of deduster centrifugal blower of the present invention;
Fig. 3 is the structural representation of impeller in the present invention;
Fig. 4 is the parts drawing of impeller blade in the present invention.
Label declaration in schematic diagram:
1, motor; 2, outlet air end; 3, air intake; 4, deashing door; 5, casing; 6, supporting frame; 7, damping disc; 8, impeller; 81, air supplying ring; 82, chassis; 83, blade root; 84, blade; 85, blade tip.
Embodiment
For further understanding content of the present invention, the present invention is described in detail by reference to the accompanying drawings.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of deduster centrifugal blower of the present invention, comprise motor 1, casing 5, supporting frame 6 and impeller 8, motor 1 and casing 5 are all fixed on supporting frame 6, motor 1 is high-frequency timing threephase asynchronous machine, casing 5 sides are provided with " well " word and strengthen gusset, supporting frame 6 adopts integrated formed structure, impeller 8 comprises chassis 82, blade 84 and air supplying ring 81, chassis 82 and air supplying ring 81 coaxially arrange, blade 84 is fixed between chassis 82 and air supplying ring 81, blade 84 numbers are 8-12, and blade 84 is take the center of circle on chassis 82 as round dot circular array distributes, impeller 8 is arranged on casing 5 inside, and be connected mutually by chassis 82 and the output revolving shaft of motor 1, on casing 5, offer air intake 3 and outlet air end 2, air intake 3 matches with above-mentioned air supplying ring 81.
Below in conjunction with embodiment, the invention will be further described.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of deduster centrifugal blower of the present embodiment, comprise motor 1, casing 5, supporting frame 6 and impeller 8, motor 1 and casing 5 are all fixed on supporting frame 6, casing 5 sides are provided with " well " word and strengthen gusset, supporting frame 6 adopts integrated formed structure, impeller 8 comprises chassis 82, blade 84 and air supplying ring 81, chassis 82 and air supplying ring 81 coaxially arrange, blade 84 is fixed between chassis 82 and air supplying ring 81, and blade 84 is take the center of circle on chassis 82 as round dot circular array distributes, and blade 84 is blade tip 85 near the one end in the center of circle, away from the one end in the center of circle be blade root 83(as shown in Figure 4), blade root 83 is extended to blade tip 85 along arc and radian is increased progressively by blade root 83 to blade tip 85, gap between blade 84 is larger, thickness is thicker, this structure can make air-flow have no to stop and enter motor from air supplying ring 81, flow out from runner again, improve greatly air quantity, reduced air-flow and motor 1 impacts produced noise simultaneously.Meanwhile, for preventing that long-term use from can cause accumulating dust on blade 84, affect working efficiency, also apply teflon anti-stick coating on blade 84 surfaces.Impeller 8 is arranged on casing 5 inside, and is connected mutually by chassis 82 and the output revolving shaft of motor 1, and the motor 1 of the present embodiment adopts high-frequency timing threephase asynchronous machine, with blower fan direct connection, reduce the vibrations of blower fan, improved motor delivery efficiency, increased air quantity simultaneously.Blade 84 numbers are 8-12, specifically blade 84 numbers are 10 in the present embodiment, between adjacent two blades 84, form runner, on the casing 5 of the present embodiment, offer air intake 3 and outlet air end 2, air intake 3 is connected with above-mentioned air supplying ring 81 couplings, and is connected with outlet air end 2 by the runner of above-mentioned impeller 8.
The casing 5 of the present embodiment is provided with deashing door 4, for safeguarding in time the component of blower fan inside, and the dust of cleaning casing 5 inside, guarantee the clean and tidy clean of fan casing 5 inside, extend service life of fan, the surface of casing 5 is also coated with antiseptic oil enamelled coating, keeps the smooth surface of casing 5 smooth, is difficult for being corroded and damaging.
A kind of deduster centrifugal blower of the present invention, reasonable in design, easy to use, the deduster in has compared to existing technology improved about 20% working efficiency with centrifugal blower.Stable working, reliable, installation, maintenance is convenient, and efficiency is high, and energy consumption is low.
Below schematically the present invention and mode of execution thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the invention aim, without the creationary mode of structure similar to this technological scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (6)
1. a deduster centrifugal blower, it is characterized in that: comprise motor (1), casing (5), supporting frame (6) and impeller (8), described motor (1) and casing (5) are all fixed on supporting frame (6), described motor (1) is high-frequency timing threephase asynchronous machine, described casing (5) side is provided with " well " word and strengthens gusset, described supporting frame (6) adopts integrated formed structure, described impeller (8) comprises chassis (82), blade (84) and air supplying ring (81), described chassis (82) and air supplying ring (81) coaxially arrange, described blade (84) is fixed between chassis (82) and air supplying ring (81), and blade (84) take chassis (82) the center of circle be round dot circular array distribute, described impeller (8) is arranged on casing (5) inside, and be connected mutually by chassis (82) and the output revolving shaft of motor (1), on described casing (5), offer air intake (3) and outlet air end (2), described air intake (3) matches with above-mentioned air supplying ring (81).
2. a kind of deduster centrifugal blower according to claim 1, it is characterized in that: described blade (84) is blade tip (85) near the one end in the center of circle, be blade root (83) away from the one end in the center of circle, described blade root (83) is extended to blade tip (85) along arc and radian is increased progressively by blade root (83) to blade tip (85).
3. a kind of deduster centrifugal blower according to claim 2, is characterized in that: described blade (84) number is 8-12, between adjacent two blades (84), forms runner.
4. a kind of deduster centrifugal blower according to claim 3, is characterized in that: described air intake (3) is connected with outlet air end (2) by the runner of above-mentioned impeller (8).
5. according to a kind of deduster centrifugal blower described in claim 3 or 4, it is characterized in that: on described casing (5), be also provided with the deashing door (4) for clearing up casing (5) internal dust.
6. a kind of deduster centrifugal blower according to claim 5, is characterized in that: on described casing (5), be coated with antiseptic oil enamelled coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111403.3A CN103850960A (en) | 2014-03-24 | 2014-03-24 | Centrifugal fan for dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111403.3A CN103850960A (en) | 2014-03-24 | 2014-03-24 | Centrifugal fan for dust collector |
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| CN103850960A true CN103850960A (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410111403.3A Pending CN103850960A (en) | 2014-03-24 | 2014-03-24 | Centrifugal fan for dust collector |
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| CN (1) | CN103850960A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021017A (en) * | 2015-08-14 | 2015-11-04 | 吉首大学 | Hot wind type penetration reverse flow drying machine capable of recycling tail heat |
| CN109707641A (en) * | 2019-03-12 | 2019-05-03 | 彰武永红机械制造有限公司 | A kind of centrifugal blower rotary air centrifugal force generating device |
| CN109763987A (en) * | 2019-03-12 | 2019-05-17 | 彰武永红机械制造有限公司 | A kind of centrifugal blower |
| CN113091168A (en) * | 2021-05-12 | 2021-07-09 | 河南黎明重工科技股份有限公司 | Self-cleaning centrifugal dehumidifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126878Y (en) * | 1992-02-13 | 1993-02-10 | 湘潭华盛空调环保工程有限公司 | Middle, high voltage three-way blade centrifugal energy-saving fan |
| CN201170207Y (en) * | 2008-03-06 | 2008-12-24 | 武汉康华粮机厂 | Energy-saving centrifugal type ventilation air fan |
| CN102261342A (en) * | 2011-08-04 | 2011-11-30 | 张家港施亿百机电设备有限公司 | Centrifugal fan with external motor |
| CN102815537A (en) * | 2012-08-30 | 2012-12-12 | 浙江兴益风机电器有限公司 | Novel centrifugal fan |
| CN203796590U (en) * | 2014-03-24 | 2014-08-27 | 江苏常净环保科技有限公司 | Centrifugal fan for dust collector |
-
2014
- 2014-03-24 CN CN201410111403.3A patent/CN103850960A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126878Y (en) * | 1992-02-13 | 1993-02-10 | 湘潭华盛空调环保工程有限公司 | Middle, high voltage three-way blade centrifugal energy-saving fan |
| CN201170207Y (en) * | 2008-03-06 | 2008-12-24 | 武汉康华粮机厂 | Energy-saving centrifugal type ventilation air fan |
| CN102261342A (en) * | 2011-08-04 | 2011-11-30 | 张家港施亿百机电设备有限公司 | Centrifugal fan with external motor |
| CN102815537A (en) * | 2012-08-30 | 2012-12-12 | 浙江兴益风机电器有限公司 | Novel centrifugal fan |
| CN203796590U (en) * | 2014-03-24 | 2014-08-27 | 江苏常净环保科技有限公司 | Centrifugal fan for dust collector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021017A (en) * | 2015-08-14 | 2015-11-04 | 吉首大学 | Hot wind type penetration reverse flow drying machine capable of recycling tail heat |
| CN109707641A (en) * | 2019-03-12 | 2019-05-03 | 彰武永红机械制造有限公司 | A kind of centrifugal blower rotary air centrifugal force generating device |
| CN109763987A (en) * | 2019-03-12 | 2019-05-17 | 彰武永红机械制造有限公司 | A kind of centrifugal blower |
| CN113091168A (en) * | 2021-05-12 | 2021-07-09 | 河南黎明重工科技股份有限公司 | Self-cleaning centrifugal dehumidifier |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140611 |