CN207728634U - A kind of silencing apparatus of boiler induced-draft fan - Google Patents

A kind of silencing apparatus of boiler induced-draft fan Download PDF

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Publication number
CN207728634U
CN207728634U CN201721710585.1U CN201721710585U CN207728634U CN 207728634 U CN207728634 U CN 207728634U CN 201721710585 U CN201721710585 U CN 201721710585U CN 207728634 U CN207728634 U CN 207728634U
Authority
CN
China
Prior art keywords
wall
impeller
pipe
welded
draft fan
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
Application number
CN201721710585.1U
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Chinese (zh)
Inventor
蒋浩力
蒋自力
蒋际富
阳海
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.)
Sichuan Chuan Li Electric Applicance Co Ltd
Original Assignee
Sichuan Chuan Li Electric Applicance 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.)
Filing date
Publication date
Application filed by Sichuan Chuan Li Electric Applicance Co Ltd filed Critical Sichuan Chuan Li Electric Applicance Co Ltd
Priority to CN201721710585.1U priority Critical patent/CN207728634U/en
Application granted granted Critical
Publication of CN207728634U publication Critical patent/CN207728634U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of silencing apparatus of boiler induced-draft fan,Including pedestal,It is bolted to connection motor and supporting rack at the top of the pedestal,The motor is located at the side of supporting rack,One end of the motor is sequentially connected with impeller shaft by belt pulley set,Bearing block has been bolted to connection at the top of support frame as described above,The impeller shaft extends through bearing block,And one end far from belt pulley set is equipped with impeller on impeller shaft,It is welded with fixed plate on the side outer wall of the impeller,It is welded with spring and litter on the side outer wall of the fixed plate,The utility model is provided with damping tube and froth bed,When in use,The noise that Impeller trim oil smoke generates contacts froth bed and froth bed is caused to shake,Damping tube transmits vibrations,The internal liquid of damping tube is by shock absorption,Play the role of sound insulation,Froth bed is by acoustic absorption,Play better soundproof effect,Reduce the noise of boiler induced-draft fan.

Description

A kind of silencing apparatus of boiler induced-draft fan
Technical field
The utility model belongs to boiler induced-draft fan technical field, and in particular to a kind of silencing apparatus of boiler induced-draft fan.
Background technology
Boiler induced-draft fan is to improve gas pressure by the mechanical energy of motor input and supply gas side by side the machinery of body, it is A kind of driven fluid machinery.
But the grease in oil smoke and adsorbing powder dust cause impeller to existing boiler induced-draft fan on impeller when in use Bias, shaft and bearing are impaired to be caused to shake, to generate noise, in addition, existing boiler induced-draft fan lacks sound arrester, no The noise of boiler induced-draft fan can be effectively reduced.
Utility model content
The purpose of this utility model is to provide a kind of silencing apparatus of boiler induced-draft fan, are drawn with the boiler for solving existing The problem of fan noise is big and cannot effectively reduce noise.
To achieve the above object, the utility model provides the following technical solutions:A kind of silencing apparatus of boiler induced-draft fan, packet Pedestal is included, motor and supporting rack have been bolted to connection at the top of the pedestal, the motor is located at the side of supporting rack, One end of the motor is sequentially connected with impeller shaft by belt pulley set, is bolted to connection at the top of support frame as described above There is bearing block, the impeller shaft extends through bearing block, and one end far from belt pulley set is equipped with impeller on impeller shaft, It is welded with fixed plate on the side outer wall of the impeller, spring and litter are welded on the side outer wall of the fixed plate, it is described Spring is located at the side of litter, and one end far from fixed plate is welded with sliding block on spring, and the sliding block is slidably connected with litter, And the bottom of sliding block is equipped with oil pushing plate, and protective cover, the other side have been bolted to connection on the side outer wall of the pedestal It has been bolted to connection ventilation blower casing on outer wall, froth bed is enclosed on the inner wall of ventilation blower casing side, it is described Being internally embedded for froth bed is provided with damping tube, and pipe sleeve has been bolted to connection at the top of the ventilation blower casing, described It is provided with blast pipe on the side inner wall of pipe sleeve, is provided with discharge pipe on the inner wall of the other side, far from pipe sleeve on the blast pipe One end is welded with the second hush pipe, and one end far from pipe sleeve is welded with the first hush pipe on the discharge pipe, the motor with it is outer Connect power supply electric connection.
Preferably, hole is offered on the outer wall of first hush pipe and the second hush pipe.
Preferably, there are two the bearing block is arranged altogether, and two bearing blocks are uniformly mounted on the top of supporting rack.
Preferably, the damping tube is hollow pipe, and damping tube is internally provided with water.
Preferably, there are two the spring is arranged altogether, and two springs are symmetrically welded on the outer wall of sliding block.
The utility model compared with prior art, has the advantages that:
(1) the utility model is provided with damping tube and froth bed, when in use, the noise contact that Impeller trim oil smoke generates Froth bed simultaneously causes froth bed to shake, and damping tube transmits vibrations, and shock absorption is played the work of sound insulation by the internal liquid of damping tube With acoustic absorption is played better soundproof effect by froth bed, reduces the noise of boiler induced-draft fan.
(2) the utility model is provided with sliding block, oil pushing plate, spring, fixed plate and litter, when in use, wheel rotation production Raw centrifugal force throws away sliding block on impeller, and by being slidably connected for sliding block and litter, oil pushing plate removes the greasy dirt on impeller It goes, when wheel rotation is to peak, due to the pulling force of spring and the gravity of sliding block, sliding block moves on impeller to impeller shaft It is dynamic, further the greasy dirt on impeller is removed, on the one hand by the oily waste degradation on impeller, impeller centre-of gravity shift is avoided to cause shaft Abrasion reduces vibrations and sound, on the other hand plays the role of removing greasy dirt, reduces the trouble of manpower cleaning.
(3) the utility model is provided with the first hush pipe, discharge pipe, the second hush pipe, pipe sleeve and blast pipe, is using When, oil smoke is pumped into casing by the impeller of high-speed rotation, and soot gas enters the second hush pipe by blast pipe, passes through the second noise reduction Hole in pipe outer wall enters the first hush pipe, is flowed out finally by discharge pipe, by the first hush pipe and the second hush pipe not The hole of rule sound deflection is reduced into noise to play the role of sound-absorbing.
Description of the drawings
Fig. 1 is the front view of the utility model;
Fig. 2 is the side view of the utility model;
Fig. 3 is the ventilation blower casing front view of the utility model;
Fig. 4 is the impeller vertical view of the utility model;
In figure:The first hush pipes of 1-, 2- discharge pipes, the second hush pipes of 3-, 4- pipe sleeves, 5- blast pipes, 6- impeller shafts, 7- Belt pulley set, 8- protective covers, 9- motors, 10- pedestals, 11- supporting racks, 12- bearing blocks, 13- ventilation blowers casing, 14- impellers, 15- froth beds, 16- damping tubes, 17- sliding blocks, 18- oil pushing plates, 19- springs, 20- fixed plates, 21- litter.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides the following technical solutions:A kind of silencing apparatus of boiler induced-draft fan, including The top of pedestal 10, pedestal 10 has been bolted to connection motor 9 and supporting rack 11, and motor 9 is located at the side of supporting rack 11, One end of motor 9 is sequentially connected with impeller shaft 6 by belt pulley set 7, and the top of supporting rack 11 has been bolted to connection Bearing block 12 plays the role of supporting impeller shaft 6, reduces the shaking of impeller shaft 6, and impeller shaft 6 extends through bearing block 12, and one end far from belt pulley set 7 on impeller shaft 6 is equipped with impeller 14, and fixation is welded on the side outer wall of impeller 14 Plate 20 is welded with spring 19 and litter 21 on the side outer wall of fixed plate 20, and spring 19 is located at the side of litter 21, and spring 19 Upper one end far from fixed plate 20 is welded with sliding block 17, and sliding block 17 is slidably connected with litter 21, and the bottom of sliding block 17 is equipped with Oil pushing plate 18 turns down the grease on impeller 14, has been bolted to connection protective cover 8 on the side outer wall of pedestal 10, has played The effect of protection improves safety, ventilation blower casing 13, ventilation blower casing 13 has been bolted to connection on the outer wall of the other side Froth bed 15 is enclosed on the inner wall of side, being internally embedded for froth bed 15 is provided with damping tube 16, and damping tube 16 transmits vibrations, subtracts The internal liquid of pipe 16 is shaken by shock absorption, is played the role of sound insulation and is risen, acoustic absorption is played better sound insulation by froth bed 15 The top of effect, ventilation blower casing 13 has been bolted to connection pipe sleeve 4, and blast pipe is provided on the side inner wall of pipe sleeve 4 5, discharge pipe 2 is provided on the inner wall of the other side, one end far from pipe sleeve 4 is welded with the second hush pipe 3, discharge pipe 2 on blast pipe 5 Upper one end far from pipe sleeve 4 is welded with the first hush pipe 1, will by irregular hole on the first hush pipe 1 and the second hush pipe 3 Sound deflection, to play the role of sound-absorbing, motor 9 is electrically connected with external power supply, and motor 9 is GS0075A driving motors.
In order to play refracting acoustic waves, noise is reduced, in the present embodiment, it is preferred that the first hush pipe 1 and the second hush pipe 3 Outer wall on offer hole.
In order to improve the stabilization of support, the shaking of impeller shaft 6 is reduced, in the present embodiment, it is preferred that bearing block 12 is set altogether There are two setting, and two bearing blocks 12 are uniformly mounted on the top of supporting rack 11.
In order to vibrations can be transmitted, liquid shock-absorbing is used in combination, plays sound insulation effect, in the present embodiment, it is preferred that damping tube 16 is Hollow pipe, and damping tube 16 is internally provided with water.
In order to which sliding block 17 can be allowed to be moved with the rotation of impeller 14, in the present embodiment, it is preferred that spring 19 is arranged altogether There are two, and two springs 19 are symmetrically welded on the outer wall of sliding block 17.
The operation principle and process for using of the utility model:When in use, external power supply is connected, is turned on the power switch, electricity One end of machine 9 is rotated by 7 impeller shaft 6 of belt pulley set, and into making impeller 14 rotate, the impeller 14 of high-speed rotation will be oily Cigarette is pumped into casing 4, and soot gas enters the second hush pipe 3 by blast pipe 5, is entered by the hole on 3 outer wall of the second hush pipe First hush pipe 1 is flowed out finally by discharge pipe 2, and the centrifugal force that the rotation of impeller 14 generates throws away sliding block 17 on impeller 14, By being slidably connected for sliding block 17 and litter 21, oil pushing plate 18 removes the greasy dirt on impeller 14, when impeller 14 turns to highest When point, due to the gravity of the pulling force and sliding block 17 of spring 19, sliding block 17 moves on impeller 14 to impeller shaft 6, further will Greasy dirt on impeller 14 removes, and impeller 14, which cuts the noise that oil smoke generates and transmitted by damping tube 16, to be shaken, damping tube 16 it is interior Acoustic absorption is played better soundproof effect by shock absorption, final foam layer 15 by portion's liquid.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of silencing apparatus of boiler induced-draft fan, including pedestal (10), it is characterised in that:Pass through at the top of the pedestal (10) Bolt is fixedly connected with motor (9) and supporting rack (11), and the motor (9) is located at the side of supporting rack (11), the motor (9) One end impeller shaft (6) is sequentially connected with by belt pulley set (7), the company of being bolted at the top of support frame as described above (11) It is connected to bearing block (12), the impeller shaft (6) extends through bearing block (12), and far from belt pulley set on impeller shaft (6) (7) one end is equipped with impeller (14), and fixed plate (20), the fixed plate are welded on the side outer wall of the impeller (14) (20) spring (19) and litter (21) are welded on side outer wall, the spring (19) is located at the side of litter (21), and bullet One end far from fixed plate (20) is welded with sliding block (17) on spring (19), and the sliding block (17) is slidably connected with litter (21), and The bottom of sliding block (17) is equipped with oil pushing plate (18), and protection has been bolted to connection on the side outer wall of the pedestal (10) It covers (8), ventilation blower casing (13), ventilation blower casing (13) side inner wall has been bolted to connection on the outer wall of the other side On be enclosed with froth bed (15), being internally embedded for the froth bed (15) is provided with damping tube (16), the ventilation blower casing (13) it has been bolted to connection pipe sleeve (4) at the top of, has been provided with blast pipe (5) on the side inner wall of the pipe sleeve (4), separately Discharge pipe (2) is provided on the inner wall of side, one end far from pipe sleeve (4) is welded with the second hush pipe on the blast pipe (5) (3), one end far from pipe sleeve (4) is welded with the first hush pipe (1), the motor (9) and external power supply on the discharge pipe (2) It is electrically connected.
2. a kind of silencing apparatus of boiler induced-draft fan according to claim 1, it is characterised in that:First hush pipe (1) and on the outer wall of the second hush pipe (3) hole is offered.
3. a kind of silencing apparatus of boiler induced-draft fan according to claim 1, it is characterised in that:The bearing block (12) is altogether There are two settings, and two bearing blocks (12) are uniformly mounted on the top of supporting rack (11).
4. a kind of silencing apparatus of boiler induced-draft fan according to claim 1, it is characterised in that:The damping tube (16) is Hollow pipe, and damping tube (16) is internally provided with water.
5. a kind of silencing apparatus of boiler induced-draft fan according to claim 1, it is characterised in that:The spring (19) sets altogether There are two setting, and two springs (19) are symmetrically welded on the outer wall of sliding block (17).
CN201721710585.1U 2017-12-11 2017-12-11 A kind of silencing apparatus of boiler induced-draft fan Expired - Fee Related CN207728634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721710585.1U CN207728634U (en) 2017-12-11 2017-12-11 A kind of silencing apparatus of boiler induced-draft fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721710585.1U CN207728634U (en) 2017-12-11 2017-12-11 A kind of silencing apparatus of boiler induced-draft fan

Publications (1)

Publication Number Publication Date
CN207728634U true CN207728634U (en) 2018-08-14

Family

ID=63097070

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721710585.1U Expired - Fee Related CN207728634U (en) 2017-12-11 2017-12-11 A kind of silencing apparatus of boiler induced-draft fan

Country Status (1)

Country Link
CN (1) CN207728634U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110486307A (en) * 2019-08-20 2019-11-22 李�诚 A kind of environmental protection blower
WO2021253272A1 (en) * 2020-06-17 2021-12-23 南京中弘华飞信息科技有限公司 Novel, easy-to-clean fan

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110486307A (en) * 2019-08-20 2019-11-22 李�诚 A kind of environmental protection blower
WO2021253272A1 (en) * 2020-06-17 2021-12-23 南京中弘华飞信息科技有限公司 Novel, easy-to-clean fan

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GR01 Patent grant
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: 20180814

Termination date: 20191211