CN215719846U

CN215719846U - Automatic ash removal device for fan impeller

Info

Publication number: CN215719846U
Application number: CN202121897711.5U
Authority: CN
Inventors: 杨博; 薛艳; 丁翰林
Original assignee: Shanghai Richen Environmental Protection Technology Co ltd
Current assignee: Shanghai Richen Environmental Protection Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-01
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses an automatic ash removal device for a fan impeller, which comprises a volute and is characterized in that a plurality of spray gun inlet holes are formed in the volute, sealing elements are arranged on the spray gun inlet holes, a spray gun fixing frame for fixing a spray gun is arranged on one side of each spray gun inlet hole, and the volute is provided with an ash removal hole. The utility model carries out ash removal through the spray gun, discharges dust through the ash removal hole, and ensures that each blade achieves the ash removal effect through the slow rotation of the low-speed driving device in the ash removal process.

Description

Automatic ash removal device for fan impeller

Technical Field

The utility model relates to the technical field of fan cleaning, in particular to an automatic ash removal device for a fan impeller.

Background

The fan is the important production auxiliary assembly of cement plant, and the medium in the production line of cement plant contains a certain amount of solid particle, and when the fan during operation, dusty gas can leave the deposition on the fan wheel, and the deposition is inhomogeneous all to lead to influencing the dynamic balance of fan, cause the vibration problem of fan big, seriously influenced the normal operating of fan.

Because the internal space of the fan is limited, the ash can not be removed manually. Therefore, it is necessary to provide an automatic ash removing device for a fan impeller to solve the above problems.

At present, a Chinese patent No. CN212717378U discloses an anti-corrosion fan for automatically cleaning an impeller, which realizes the cleaning and maintenance of the impeller through an automatic cleaning device, but because the impeller is cleaned under high-speed operation, the cleaning is not uniform, and the problem of dust deposition left on the impeller of the fan is also existed.

In addition, chinese patent application publication No. CN102072207A discloses a fan impeller cleaning device, which cleans an impeller by a cleaning device, but the structure of the device is complicated and inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an automatic ash removing device for a fan impeller, which solves the above problems.

The technical problem solved by the utility model can be realized by adopting the following technical scheme:

the utility model provides a fan wheel's automatic ash removal device, includes the spiral case, its characterized in that, be provided with a plurality of spray gun manhole on the spiral case, be provided with the sealing member on the spray gun manhole, one side of spray gun manhole is provided with the spray gun mount that is used for fixed spray gun, be provided with the deashing hole on the spiral case.

In a preferred embodiment of the utility model, the seal comprises a nut disposed on the lance access bore and a bolt cooperating with the nut.

In a preferred embodiment of the present invention, the spray gun fixing frame includes a bracket fixed on the volute and a support plate fixed on the bracket, and the support plate is provided with a plurality of spray gun fixing grooves.

In a preferred embodiment of the utility model, the plurality of spray gun inlet holes are distributed at intervals along the axial direction of the fan, and the arrangement width of the plurality of spray gun inlet holes is larger than the width of the fan blade.

In a preferred embodiment of the utility model, the fan main shaft cleaning device further comprises a low-speed driving device arranged at one end of the fan main shaft far away from the main driving device, and the low-speed driving device drives the fan main shaft to rotate at a low speed when the fan is stopped and the blades need to be cleaned.

In a preferred embodiment of the present invention, the low-speed driving device includes a speed reduction motor, and an output shaft of the speed reduction motor is connected with one end of the fan main shaft away from the main driving device through a coupling part.

In a preferred embodiment of the present invention, the coupling component includes a first coupling floatingly disposed on the output shaft of the speed reduction motor, a second coupling disposed on an end of the fan main shaft away from the main driving device and correspondingly engaged with the first coupling, and a wrenching hand operator connected with the first coupling.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that: the utility model carries out ash removal through the spray gun, discharges dust through the ash removal hole, and ensures that each blade achieves the ash removal effect through the slow rotation of the low-speed driving device in the ash removal process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention (the support plate is omitted).

Fig. 2 is an enlarged view of a portion a of fig. 1 (the support plate is omitted).

FIG. 3 is a schematic view showing the construction of the ash removal member of the present invention before installation.

FIG. 4 is a schematic view showing the structure of the ash removal member of the present invention after installation.

Fig. 5 is an enlarged view of a portion B of fig. 4.

Fig. 6 is a schematic structural view showing that the fan unit and the rotary drive unit of the present invention are not connected.

Fig. 7 is a schematic structural view of the fan apparatus and the rotary drive apparatus of the present invention after they are connected.

FIG. 8 is a schematic view of the ash cleaning structure of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below.

Referring to fig. 1 to 8, the automatic ash removal device for the fan impeller comprises a volute 1, wherein a fan main shaft 2 and a fan blade 3 arranged on the periphery of the fan main shaft 2 are arranged in the volute 1.

The volute 1 is provided with a plurality of lance inlet holes 10. The plurality of spray gun inlet holes 10 in the embodiment are distributed at intervals along the axial direction of the fan, and the arrangement width of the plurality of spray gun inlet holes 10 is larger than the width of the fan blade 3. The arrangement width of the spray gun inlet hole 10 is larger than the width of the fan blade 3, so that the spray gun 100 can achieve the whole cleaning effect on the fan blade 3, and if the arrangement width of the spray gun inlet hole 10 is smaller than the width of the fan blade 3, the situation that the spray gun cannot clean the fan blade 3 can occur.

A seal 20 is provided in the lance inlet bore 10. The seal 20 in this embodiment comprises a nut 21 disposed over the lance access bore 10 and a bolt 22 which cooperates with the nut 21. The nut 21 is welded on the spray gun inlet hole 10, the bolt 22 can be detachably connected with the nut 21, and the bolt 22 is used for plugging the spray gun inlet hole 10 to ensure that the air in the fan does not leak.

A lance holder 30 for holding the lance 100 is provided at one side of the lance inlet hole 10. The spray gun 100 of the present invention is a high pressure spray gun. The lance holder 30 in this embodiment includes a bracket 31 fixed to the scroll casing 1 and a support plate 32 fixed to the bracket 31, and the support plate 32 is provided with a plurality of lance fixing grooves 33. The spray gun fixing groove 33 is a U-shaped groove, and the position of the U-shaped groove 33 is flush with the position of the spray gun inlet hole 10. When the fan blade 3 needs to be cleaned, the bolt 22 is taken off from the spray gun inlet hole 10, the front end of the spray gun 100 is inserted into the spray gun inlet hole 10, the rear end of the spray gun 100 is placed in the fixing groove 33 on the supporting plate 32, the position of the spray gun 100 is fixed, the volute 1 is provided with a dust cleaning hole 40, and the dust cleaning hole 40 is used for discharging dust in the fan.

In order to conveniently drive the fan blade 3 to rotate at a low speed and further conveniently clean the fan blade 3, the utility model further comprises a low-speed driving device 50 arranged at one end 1a of the fan main shaft 2 far away from the main driving device (not shown in the figure), and the low-speed driving device 50 drives the fan main shaft 2 to rotate at a low speed when the fan is stopped and the fan blade 3 needs to be cleaned.

The low-speed driving device 50 in this embodiment includes a speed reduction motor 51, and an output shaft 52 of the speed reduction motor 51 is connected to one end 1a of the fan spindle 1 away from the main driving device through a coupling part 60. The coupling part 60 comprises a first coupling 61 arranged on the output shaft 52 of the speed reducing motor 51 in a floating way, a second coupling 62 arranged on one end of the fan main shaft 1 far away from the main driving device 1a and correspondingly matched with the first coupling 61, and a wrench operator 63 connected with the first coupling 61. When the manual operator 63 is pulled to mesh the first coupler 61 and the second coupler 62 together, the fan spindle 1 and the output shaft 52 of the speed reducing motor 51 are connected together, and the fan spindle 2 rotates at a slow speed under the action of the speed reducing motor 51 to drive the fan blade 3 to rotate at a slow speed.

The working principle of the utility model is as follows:

when the dust of the fan blades 3 of the fan main shaft 2 needs to be cleaned, firstly, the bolt 22 is taken down, the front end of the spray gun 100 is inserted into the spray gun inlet hole 10, the rear end of the spray gun 100 is placed in the fixing groove 33 on the supporting plate 32, the position of the spray gun 100 is fixed, then the first coupler 61 and the second coupler 62 are meshed together by pulling the hand operator 63, the fan main shaft 2 rotates slowly under the action of the speed reducing motor 51 to drive the fan blades 3 to rotate slowly, the cleaning effect of each fan blade 3 is guaranteed, and finally, the dust in the fan is cleaned out through the dust cleaning hole 40. After the fan blade 3 is cleaned, the first coupling 61 and the second coupling 62 are separated by pulling the hand operator 63, so that the main driving device is not hindered from driving the fan main shaft 2 to normally work.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fan wheel's automatic ash removal device, includes the spiral case, its characterized in that, be provided with a plurality of spray gun manhole on the spiral case, be provided with the sealing member on the spray gun manhole, one side of spray gun manhole is provided with the spray gun mount that is used for fixed spray gun, the spiral case is provided with the deashing hole.

2. The automatic ash removal device for the fan impeller according to claim 1, wherein the sealing member comprises a nut disposed on the lance inlet hole and a bolt engaged with the nut.

3. The automatic ash removal device for the fan impeller according to claim 1, wherein the spray gun fixing frame comprises a bracket fixed on the volute and a supporting plate fixed on the bracket, and a plurality of spray gun fixing grooves are formed in the supporting plate.

4. The automatic ash removal device for the fan impeller according to claim 1, wherein the plurality of spray gun inlet holes are distributed at intervals along the axial direction of the fan, and the arrangement width of the plurality of spray gun inlet holes is larger than the width of the fan blade.

5. The automatic ash removal device for the fan impeller according to claim 1, further comprising a low-speed driving device arranged at one end of the fan main shaft far away from the main driving device, wherein the low-speed driving device drives the fan main shaft to rotate at a low speed when the fan is stopped and the blades need to be cleaned.

6. The automatic ash removal device for the fan impeller as claimed in claim 5, wherein the low-speed driving device comprises a speed reduction motor, and an output shaft of the speed reduction motor is connected with one end of the fan main shaft, which is far away from the main driving device, through a coupling part.

7. The automatic ash removal device for the fan impeller according to claim 6, wherein the coupling part comprises a first coupling arranged on the output shaft of the speed reduction motor in a floating manner, a second coupling arranged on one end of the fan main shaft far away from the main driving device and correspondingly matched with the first coupling, and a pulling hand operator connected with the first coupling.