CN102619787A - Rear guide vane adjusting mechanism of centrifugal blower - Google Patents

Rear guide vane adjusting mechanism of centrifugal blower Download PDF

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Publication number
CN102619787A
CN102619787A CN2011100274084A CN201110027408A CN102619787A CN 102619787 A CN102619787 A CN 102619787A CN 2011100274084 A CN2011100274084 A CN 2011100274084A CN 201110027408 A CN201110027408 A CN 201110027408A CN 102619787 A CN102619787 A CN 102619787A
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CN
China
Prior art keywords
rear guide
guide vane
centrifugal blower
turning handles
controlling mechanism
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.)
Pending
Application number
CN2011100274084A
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Chinese (zh)
Inventor
陆建军
曹小建
缪小军
张旭明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU JINTONGLING FLUID MACHINERY TECHNOLOGY Co Ltd
Original Assignee
JIANGSU JINTONGLING FLUID MACHINERY TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by JIANGSU JINTONGLING FLUID MACHINERY TECHNOLOGY Co Ltd filed Critical JIANGSU JINTONGLING FLUID MACHINERY TECHNOLOGY Co Ltd
Priority to CN2011100274084A priority Critical patent/CN102619787A/en
Publication of CN102619787A publication Critical patent/CN102619787A/en
Pending legal-status Critical Current

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Abstract

The invention provides a rear guide vane adjusting mechanism of a centrifugal blower, which comprises parts of rear guide vanes, main double rotating handles, auxiliary double rotating handles, a middle plate, a pin shaft, an adjusting handle, an adjusting shaft, a joint bearing, an actuator and the like. The electric or manual actuator drives the rear guide vanes to rotate through parts of the adjusting handle and the like, changes angles of the rear guide vanes, and can change air flow directions of a blower outlet. The number of the rear guide vanes ranges from 3 to 23 and is prime number of the number of blades on an impeller mutually. By means of the blower, air outlet direction of blower air flow can be adjusted according to requirements, application ranges of flow and pressure of the blower can be changed, blower efficiency is effectively improved, energy consumption of the blower is reduced, and remarkable economic benefit and social benefit are achieved.

Description

The rear guide vane controlling mechanism of centrifugal blower
Technical field
The present invention provides a kind of gas flow modulation mechanism of centrifugal blower, refers in particular to a kind of rear guide vane controlling mechanism that can regulate the centrifugal blower of flow outlet direction.
Background technique
In fields such as sewage treatment, metallurgy, electric power, petrochemical industry, centrifugal blower is used very extensive.At present, generally all do not adopt the rear guide vane device in the centrifugal blower, the gas outlet direction can not be regulated, and the flow direction of wind can not effectively be controlled, and the efficient of blower fan can not be given full play of.
Number of patent application is that 200820219141.2 specification discloses a kind of novel fan adjustment doors; Number of patent application is that the specification of 201020294031.X discloses a kind of ventilator slip stator adjustment doors device; Two patents all provide the air flow regulator of blower fan import; Can reduce the noise of blower fan air inlet, can regulate the blower fan inlet flow rate, improve the performance of blower fan to a certain extent.But, the blower fan rate of discharge is had no regulating action, the usefulness of blower fan can not improve more.
The relevant advertisements of research rear guide vane controlling mechanism is abroad arranged, but fully do not disclose its technology contents, and prepattern still such as concrete product, production method, structure or shape, still be in the R&D process.
Summary of the invention
Goal of the invention: overcome the defective that the flow outlet direction of traditional centrifugal blower can not be regulated, a kind of rear guide vane controlling mechanism of controlling flexibly, can effectively regulating the centrifugal blower of fan airflow Way out is provided.
Technological scheme: the rear guide vane controlling mechanism of centrifugal blower of the present invention, can be used for centrifugal blower, this centrifugal blower contains impeller, flow blower casing, and impeller contains blade, wheel disc.This controlling mechanism contains intermediate plate, rear guide vane sheet, main two turning handles, auxiliary two turning handles, bearing pin, joint shaft bearing, release handle, adjusting axle, final controlling element.Main two turning handles, auxiliary two turning handles, joint shaft bearing evenly distributes and be connected the back side of the intermediate plate of disc or flange-shaped; The rear guide vane sheet is in the front of intermediate plate; Main two turning handle, auxiliary two turning handles are connected through bearing pin with joint shaft bearing; Connect with joint shaft bearing between main two turning handle, each auxiliary two turning handles, main two turning handles, auxiliary two turning handles are connected through the rear guide vane bobbin with the rear guide vane sheet.
Its working procedure: described final controlling element rotates adjusting axle through release handle; The rotation of adjusting axle drives main two turning handle and rotates; The rotating band movable joint bearing movable of main two turning handles, the motion of joint shaft bearing drive all auxiliary two turning handles and rotate, and the rotation of main two turning handles and auxiliary two turning handles drives the rear guide vane sheet that is connected separately respectively and rotates; Change rear guide vane sheet rotation angle, thereby can change the direction of centrifugal blower exit flow.
When the present invention was installed in the centrifugal blower, the wheel disc of described intermediate plate and impeller was a concentric discs, and the interior circular diameter of intermediate plate is greater than the circle diameter at the afterbody place of impeller upper blade; See that from intake grill (front) vertical guide at intermediate plate place is parallel with the vertical guide at wheel disc place, and lag behind the vertical guide 0-10cm at wheel disc place.The quantity of rear guide vane sheet is between 3-23, and with the quantity of impeller upper blade prime number each other.
Described release handle drives the rear guide vane sheet and rotates, and rear guide vane sheet rotation angle is-30 ° to+30 °, preferred-7 ° to+7 °.
Described rear guide vane sheet afterbody is thinner than rear guide vane sheet root, and rear guide vane sheet root is thinner than rear guide vane sheet middle part.The material of rear guide vane sheet is a stainless steel, and decay resistance is better.
Described rear guide vane bobbin is connected with main pair turning handles, auxiliary two turning handles through axle sleeve, and greasy property is better, guarantees sealing and rotation flexibly.
Between described intermediate plate and flow blower casing, can also be connected with the back side panel of flange shape, be convenient to fix with being connected of flow blower casing or miscellaneous part.
Described final controlling element is electronic or pneumatic, and the electronic or pneumatic control unit and the general control system of centrifugal blower are interconnected.Simultaneously, when electronic or pneumatic control unit does not use, can enough manual tune handle control.
Beneficial effect: the present invention has simple in structure, and is easy to use, controls flexibly.Can regulate the Way out of fan airflow effectively, enlarge the flow of blower fan and the Applicable scope of power, improve impeller adiabatic efficiency better, reduce fan energy consumption, have remarkable economic efficiency and social benefit.
Description of drawings
Fig. 1 is a stereochemical structure decomposing schematic representation of the present invention;
Fig. 2 Facad structure schematic representation of the present invention;
Fig. 3 side structure schematic representation of the present invention.
Among the figure: 1, rear guide vane sheet; 2, axle sleeve; 3, rear guide vane bobbin; 4, auxiliary two turning handle; 5, intermediate plate; 6, bearing pin; 7, joint shaft bearing; 8, main two turning handle; 9, adjusting axle; 10, release handle; 11, final controlling element; 12, back side panel; 13, manual tune handle; 14, rear guide vane sheet afterbody; 15, rear guide vane sheet middle part; 16, rear guide vane sheet root; 17, rear guide vane sheet rotation angle; 18, impeller mounting point.
Embodiment
Select or make rear guide vane sheet 1 and supporting axle sleeve 2, rear guide vane bobbin 3, bearing pin 6, joint shaft bearing 7, auxiliary two turning handles 4 (quantity is lacked 1 than rear guide vane sheet quantity) of the stainless steel of suitable types specification and suitable quantity for use; The blade quantity of the quantity of rear guide vane sheet 1 and its centrifugal blower of installing is relatively prime.The afterbody 16 of rear guide vane sheet is thinner than rear guide vane sheet root 14, and rear guide vane sheet root 14 is thinner than rear guide vane sheet middle part 15.Select or make two 8,1 adjusting axle of turning handle of 5,1 master of 1 intermediate plate 9, release handle 10,12,1 final controlling element 11 that has manual tune handle 13 of a slice back side panel for use.
According to accompanying drawing 1, Fig. 2, shown in Figure 3, each component are coupled together: main two turning handles 8, auxiliary two turning handles 4, joint shaft bearing 7 evenly distributes and be connected the back side of the intermediate plate 5 of disc or flange-shaped, and rear guide vane sheet 1 is connected the front of intermediate plate 5; Main two turning handle 8, auxiliary two turning handles 4 are connected through bearing pin 6 with joint shaft bearing 7, connect with joint shaft bearing 7 between main two turning handles 8, each auxiliary two turning handles 4, and main two turning handles 8, auxiliary two turning handles 4 are connected through rear guide vane bobbin 3 with rear guide vane sheet 1.Be reserved with the impeller mounting point 18 of centrifugal blower.After the installation, rear guide vane sheet rotation angle 17 can be-30 ° to+30 °.
Embodiment 1: the rear guide vane sheet 1 of employing amounts to 7, and is relatively prime with the blade quantity of its centrifugal blower of installing; See that from intake grill the vertical guide at intermediate plate 5 places is parallel with the vertical guide at wheel disc place, and overlap with the vertical guide at wheel disc place.The rear guide vane sheet rotation angle 17 that described rear guide vane sheet 1 can rotate is-30 ° to+30 °.Described final controlling element 11 is electronic, and the electronic control unit and the general control system of centrifugal blower are interconnected.
Embodiment 2: the rear guide vane sheet 1 of employing amounts to 13, and is relatively prime with the blade quantity of its centrifugal blower of installing; See that from intake grill the vertical guide at intermediate plate 5 places is parallel with the vertical guide at wheel disc place, and lag behind the vertical guide 4cm at wheel disc place.The rear guide vane sheet rotation angle 17 that described rear guide vane sheet 1 can rotate is-15 ° to+15 °, and described rear guide vane bobbin 3 is connected with main two turning handles 8, auxiliary two turning handles 4 through axle sleeve 2, guarantees to rotate flexibly.Described final controlling element 11 is pneumatic, and the pneumatic control unit and the general control system of centrifugal blower are interconnected.
Embodiment 3: the rear guide vane sheet 1 of employing amounts to 23, and is relatively prime with the blade quantity of its centrifugal blower of installing; See that from intake grill the vertical guide at intermediate plate 5 places is parallel with the vertical guide at wheel disc place, and lag behind the vertical guide 10cm at wheel disc place.The rear guide vane sheet rotation angle 17 that described rear guide vane sheet 1 can rotate is-7 ° to+7 °, and described rear guide vane bobbin 3 is connected with main two turning handles 8, auxiliary two turning handles 4 through axle sleeve 2, guarantees to rotate flexibly.Between described intermediate plate 5 and flow blower casing, also be connected with the back side panel 12 of flange shape, be convenient to fix with being connected of flow blower casing or miscellaneous part.Described final controlling element 11 is electronic, and the electronic control unit and the general control system of centrifugal blower are interconnected, and described final controlling element 11 can also be used 13 controls of manual tune handle.
In the foregoing description; Rotate adjusting axles 9 when final controlling element 11 passes through release handle 10, the rotation of adjusting axle 9 drives main two turning handles 8 rotations, rotating band movable joint bearing 7 motions of main two turning handles 8; The motion of joint shaft bearing 7 drives all auxiliary two turning handles 4 and rotates; The rotation of main two turning handle 8 and auxiliary two turning handles 4 drives the rear guide vane sheet 1 that is connected separately respectively and rotates, and changes rear guide vane sheet rotation angle 17, thereby can change the direction of the centrifugal blower exit flow that adopts this controlling mechanism.

Claims (10)

1. the rear guide vane controlling mechanism of a centrifugal blower; This centrifugal blower contains impeller, flow blower casing; Impeller contains blade, wheel disc, it is characterized in that: this controlling mechanism contains intermediate plate (5), rear guide vane sheet (1), main two turning handles (8), auxiliary two turning handles (4), bearing pin (6), joint shaft bearing (7), release handle (10), adjusting axle (9), final controlling element (11); Main two turning handles (8), auxiliary two turning handles (4), joint shaft bearing (7) evenly distributes and be connected the back side of the intermediate plate (5) of disc or flange-shaped, and rear guide vane sheet (1) is connected the front of intermediate plate (5); Main two turning handle (8), auxiliary two turning handles (4) are connected through bearing pin (6) with joint shaft bearing (7); Connect with joint shaft bearing (7) between main two turning handle (8), each auxiliary two turning handles (4), main two turning handles (8), auxiliary two turning handles (4) are connected through rear guide vane bobbin (3) with rear guide vane sheet (1);
Its working procedure: final controlling element (11) rotates adjusting axle (9) through release handle (10); The rotation of adjusting axle (9) drives main two turning handle (8) and rotates; Rotating band movable joint bearing (7) motion of main two turning handles (8); The motion of joint shaft bearing (7) drives all auxiliary two turning handles (4) and rotates; The rotation of main two turning handle (8) and auxiliary two turning handles (4) drives the rear guide vane sheet (1) that is connected separately respectively and rotates, and changes rear guide vane sheet rotation angle (17), thereby can change the direction of the centrifugal blower exit flow that adopts this controlling mechanism.
2. the rear guide vane controlling mechanism of centrifugal blower according to claim 1; It is characterized in that: when being installed in the centrifugal blower; Described intermediate plate (5) is a concentric discs with the wheel disc of impeller, and the interior circular diameter of intermediate plate (5) is greater than the circle diameter at the afterbody place of impeller upper blade; See that from intake grill the vertical guide at intermediate plate (5) place is parallel with the vertical guide at wheel disc place, and lag behind the vertical guide 0-10cm at wheel disc place.
3. the rear guide vane controlling mechanism of centrifugal blower according to claim 1 is characterized in that: the quantity of described rear guide vane sheet (1) is between 3-23, and with the quantity of impeller upper blade prime number each other.
4. according to the rear guide vane controlling mechanism of claim 1 or 3 described centrifugal blowers, it is characterized in that: described release handle (10) drives rear guide vane sheet rotation angle (17) and is-30 ° to+30 °.
5. the rear guide vane controlling mechanism of centrifugal blower according to claim 4, it is characterized in that: described rear guide vane sheet rotation angle (17) is-7 ° to+7 °.
6. according to the rear guide vane controlling mechanism of claim 1 or 3 described centrifugal blowers, it is characterized in that: the rear guide vane sheet afterbody (16) of described rear guide vane sheet (1) is thinner than rear guide vane sheet root (14), and rear guide vane sheet root (14) is thinner than rear guide vane sheet middle part (15); The material of rear guide vane sheet (1) is a stainless steel.
7. according to the rear guide vane controlling mechanism of claim 1 or 3 described centrifugal blowers, it is characterized in that: described rear guide vane bobbin (3) is connected with main two turning handles (8), auxiliary two turning handles (4) through axle sleeve (2), guarantees to rotate flexibly.
8. the rear guide vane controlling mechanism of centrifugal blower according to claim 1 is characterized in that: between described intermediate plate (5) and flow blower casing, also be connected with the back side panel (12) of flange shape, be convenient to fix with being connected of flow blower casing or miscellaneous part.
9. the rear guide vane controlling mechanism of centrifugal blower according to claim 1 is characterized in that: described final controlling element (11) is electronic or pneumatic, and the electronic or pneumatic control unit and the general control system of centrifugal blower are interconnected.
10. the rear guide vane controlling mechanism of centrifugal blower according to claim 9 is characterized in that: described final controlling element (11) the enough manual tune handles of ability (13) control.
CN2011100274084A 2011-01-26 2011-01-26 Rear guide vane adjusting mechanism of centrifugal blower Pending CN102619787A (en)

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Application Number Priority Date Filing Date Title
CN2011100274084A CN102619787A (en) 2011-01-26 2011-01-26 Rear guide vane adjusting mechanism of centrifugal blower

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Application Number Priority Date Filing Date Title
CN2011100274084A CN102619787A (en) 2011-01-26 2011-01-26 Rear guide vane adjusting mechanism of centrifugal blower

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758788A (en) * 2014-01-17 2014-04-30 南方风机股份有限公司 Supercharging energy-saving type centrifugal fan
CN104074805A (en) * 2014-07-22 2014-10-01 杭州福鼎节能科技服务有限公司 Centrifugal ventilator with dual guide vane axial leading device
CN104613019A (en) * 2014-11-28 2015-05-13 江苏大学 Centrifugal impeller back guide blade with self-adaptation function
CN105485022A (en) * 2016-01-21 2016-04-13 池泉 Sectional type multi-stage centrifugal pump and adjustable guide vane devices thereof
CN107023511A (en) * 2017-05-19 2017-08-08 象州县科学技术情报研究所 A kind of adjustable shutter centrifugal blower fan blade wheel
CN109058160A (en) * 2018-10-18 2018-12-21 上海毕森流体设备有限公司 A kind of air blower
US10823198B2 (en) 2016-10-24 2020-11-03 Carrier Corporation Diffuser for a centrifugal compressor and centrifugal compressor having the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61252897A (en) * 1985-05-01 1986-11-10 Hitachi Zosen Corp Movable guide blade device
US20090155058A1 (en) * 2005-08-02 2009-06-18 Phillipe Noelle Variable Geometry Compressor Module
CN201262164Y (en) * 2008-09-28 2009-06-24 重庆江增机械有限公司 Air-intake vane apparatus
CN101725568A (en) * 2009-11-20 2010-06-09 无锡杰尔压缩机有限公司 Diffusion guide vane synchronous adjusting mechanism of high-speed centrifugal fan
CN201714718U (en) * 2010-06-09 2011-01-19 重庆江增机械有限公司 Centrifugal compressor diffuser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61252897A (en) * 1985-05-01 1986-11-10 Hitachi Zosen Corp Movable guide blade device
US20090155058A1 (en) * 2005-08-02 2009-06-18 Phillipe Noelle Variable Geometry Compressor Module
CN201262164Y (en) * 2008-09-28 2009-06-24 重庆江增机械有限公司 Air-intake vane apparatus
CN101725568A (en) * 2009-11-20 2010-06-09 无锡杰尔压缩机有限公司 Diffusion guide vane synchronous adjusting mechanism of high-speed centrifugal fan
CN201714718U (en) * 2010-06-09 2011-01-19 重庆江增机械有限公司 Centrifugal compressor diffuser

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758788A (en) * 2014-01-17 2014-04-30 南方风机股份有限公司 Supercharging energy-saving type centrifugal fan
CN104074805A (en) * 2014-07-22 2014-10-01 杭州福鼎节能科技服务有限公司 Centrifugal ventilator with dual guide vane axial leading device
CN104613019A (en) * 2014-11-28 2015-05-13 江苏大学 Centrifugal impeller back guide blade with self-adaptation function
CN105485022A (en) * 2016-01-21 2016-04-13 池泉 Sectional type multi-stage centrifugal pump and adjustable guide vane devices thereof
CN105485022B (en) * 2016-01-21 2018-10-23 池泉 Sectional multi-stage centrifugal pump
US10823198B2 (en) 2016-10-24 2020-11-03 Carrier Corporation Diffuser for a centrifugal compressor and centrifugal compressor having the same
CN107023511A (en) * 2017-05-19 2017-08-08 象州县科学技术情报研究所 A kind of adjustable shutter centrifugal blower fan blade wheel
CN109058160A (en) * 2018-10-18 2018-12-21 上海毕森流体设备有限公司 A kind of air blower

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Application publication date: 20120801