CN215030055U

CN215030055U - Cathode vibration transmission system of circular electric dust collector

Info

Publication number: CN215030055U
Application number: CN202121571687.6U
Authority: CN
Inventors: 王海兵
Original assignee: Zhangjiakou Rui Xin Environmental Polytron Technologies Inc
Current assignee: Zhangjiakou Rui Xin Environmental Polytron Technologies Inc
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-07
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a cathode rapping transmission system of a circular electric dust collector, which comprises a driving mechanism fixedly arranged on the electric dust collector and a rapping mechanism extending into the electric dust collector and in transmission connection with the driving mechanism; the adjusting mechanism is arranged between the driving mechanism and the rapping mechanism and is used for adjusting the rapping period of the rapping mechanism; the adjusting mechanism comprises a small pinwheel arranged on the driving mechanism in a sliding manner, a large pinwheel arranged on the rapping mechanism in a sliding manner, and a propelling component which is fixedly arranged on the driving mechanism and the rapping mechanism and is used for driving the small pinwheel and the large pinwheel to move along respective axes of the small pinwheel and the large pinwheel respectively; the large pinwheel comprises a plurality of concentric pinwheels with different diameters, and the plurality of pinwheels are sequentially and fixedly arranged according to the diameters. The utility model discloses can adjust the cycle of shaking of mechanism of shaking in real time according to the cigarette dust volume that produces, and then can promote electrostatic precipitator's dust removal rate. The utility model is suitable for an among the electric precipitation equipment of thermal power plant for shake the negative plate.

Description

Cathode vibration transmission system of circular electric dust collector

Technical Field

The utility model belongs to the technical field of electrostatic precipitator, specifically speaking is a circular electrostatic precipitator negative pole shakes and beats transmission system.

Background

At present, most of electric dust collectors used in thermal power plants adopt a mode of knocking a negative plate through a rapping system, and the smoke dust on the negative plate is cleaned.

In actual use, the content of the generated smoke dust is different in a thermal power plant due to various reasons such as the use of different types of burning coal. If the content of the smoke dust is larger, the original rapping period is maintained, the deposition of the negative plate is too thick, the electric conductivity of the charged smoke dust on the negative plate is reduced, and the dust removal efficiency is reduced; if the content of the smoke dust is less, the original rapping period is maintained, so that the smoke dust is not easy to accumulate and form, and is easy to disperse into crushed powder and fall down, and further larger secondary dust raising is caused. In order to avoid this, the thermal power plant typically varies the rapping cycle for the cathode plates by varying the rotational speed of the drive motor, and thus can be avoided. However, the material of the electric ceramic rotating shaft is brittle, so that the rotating speed of the driving motor is often changed, and the electric ceramic rotating shaft is easy to break.

SUMMERY OF THE UTILITY MODEL

For solving exist among the prior art more than not enough, the utility model aims at providing a circular electrostatic precipitator negative pole shakes and beats transmission system utilizes adjustment mechanism control actuating mechanism to transmit to the rotational speed of shaking on the mechanism to reach the purpose of adjusting the mechanism of shaking and beating and shake the cycle.

In order to achieve the above object, the utility model adopts the following technical scheme: a cathode vibration transmission system of a circular electric dust collector comprises a driving mechanism fixedly arranged on the electric dust collector and a vibration mechanism extending into the electric dust collector and in transmission connection with the driving mechanism; the adjusting mechanism is arranged between the driving mechanism and the rapping mechanism and is used for adjusting the rapping period of the rapping mechanism;

the adjusting mechanism comprises a small pinwheel arranged on the driving mechanism in a sliding manner, a large pinwheel arranged on the rapping mechanism in a sliding manner, and a propelling component which is fixedly arranged on the driving mechanism and the rapping mechanism and is used for driving the small pinwheel and the large pinwheel to move along respective axes of the small pinwheel and the large pinwheel respectively; the large pinwheel comprises a plurality of concentric pinwheels with different diameters, and the plurality of pinwheels are sequentially and fixedly arranged according to the diameters.

As the utility model discloses a injecing, actuating mechanism is including setting firmly the electric porcelain pivot that motor on electrostatic precipitator is connected, with motor drive and the input shaft that shakes of being connected with the transmission of electric porcelain pivot.

As the utility model discloses a further inject, the mechanism of rapping is including rotating the axle of beating of shaking of connection in electrostatic precipitator to and set firmly in shaking and beating epaxial being used for beating the hammer of shaking of negative plate.

As the utility model discloses a still further inject, shake and beat and seted up first spout along its axis on the input shaft, shake and beat and seted up the second spout along its axis on the axle, the first slider of slip in first spout has set firmly on the little pinwheel, the second slider of slip in the second spout has set firmly on the big pinwheel.

As the utility model discloses a still further inject, impel the subassembly including setting firmly on shaking and beating the input shaft and be used for promoting the first electric push rod that the pinwheel removed along its axis and set firmly on shaking and beating epaxial second electric push rod that is used for promoting big pinwheel and removes along its axis.

As other of the utility model discloses a injectd, it establishes the first cover body outside first electric push rod to shake to have set firmly on the input shaft, shake and beat and epaxially set firmly and establish the second cover body outside second electric push rod.

Since the technical scheme is adopted, compared with the prior art, the utility model, the beneficial effect who gains is:

(1) the utility model discloses in the adjustment mechanism who sets up, can be according to the content of smoke and dust in the flue gas, shake the rapping cycle of mechanism and adjust in real time to avoid appearing the smoke and dust and pile up the excessive thickness on the negative plate, reduce the electric conductive property of electrified smoke and dust on the negative plate, reduce dust collection efficiency. Or the smoke dust becomes scattered and broken, secondary dust raising caused by the scattered smoke dust affects the dust removal rate, so that the dust removal rate of the electric dust remover can be improved, and the cleanness of the nearby environment is kept.

(2) The utility model discloses the first cover body and the second cover body that set up in can seal propulsion assembly, avoid adsorbing on propulsion assembly because of the smoke and dust in the electrostatic precipitator, in the long run, block up propulsion assembly easily, influence propulsion assembly's use, and then reduce propulsion assembly's life.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a top view of the structure relationship of the embodiment of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

In the figure: 1. a motor; 2. an electroceramic rotating shaft; 3. vibrating the input shaft; 4. a first chute; 5. vibrating the shaft; 6. vibrating and hammering; 7. a second chute; 8. a small pinwheel; 9. a large pinwheel; 10. a first slider; 11. a second slider; 12. a first electric push rod; 13. a second electric push rod; 14. a first cover body; 15. a second cover body.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are for purposes of illustration and understanding only and are not intended to limit the invention.

Embodiment of the invention relates to a cathode rapping transmission system of a circular electric precipitator

This embodiment is arranged in regularly knocking the negative plate that has adsorbed the smoke and dust in the electrostatic precipitator, realizes the clearance to the negative plate to follow-up absorption to the smoke and dust is handled.

As shown in fig. 1 to 4, the present embodiment includes a driving mechanism fixed on the electric dust collector and a rapping mechanism in transmission connection with the driving mechanism through an adjusting mechanism. Wherein, one end of the adjusting mechanism is in transmission connection with the driving mechanism, and the other end is in transmission connection with the rapping mechanism. Specifically, this implementation can change the rotation rate that actuating mechanism transmitted to on the mechanism of rapping through adjustment mechanism, and then can realize the adjustment to the mechanism of rapping period for when the accumulation volume of smoke and dust on the negative plate reaches and strikes the requirement, strike the negative plate again, avoid taking place the smoke and dust and pile up the condition of thick or the secondary raise dust frequently appearing.

And the driving mechanism is fixedly arranged at the top end of the electric dust collector and used for providing power for the rapping mechanism. As shown in fig. 1, the driving mechanism comprises a motor 1 fixedly arranged at the top end of the electric dust collector and a rapping input shaft 3 in transmission connection with the motor 1 through an electric porcelain rotating shaft 2. More specifically, the electroceramic rotating shaft 2 and the rapping input shaft 3 are positioned inside the electric dust collector, one end of the electroceramic rotating shaft 2 is in transmission connection with the motor 1, and the other end of the electroceramic rotating shaft is in transmission connection with the rapping input shaft 3. A first chute 4 is arranged on the rapping input shaft 3, and the rapping input shaft 3 is in sliding connection with the adjusting mechanism through the first chute 4.

The rapping mechanism can realize rapping on the cathode plate under the control of the driving mechanism. As shown in fig. 3, the rapping mechanism comprises a rapping shaft 5 rotatably disposed within the electric precipitator and rapping hammers 6 fixed to the rapping shaft 5. The axis of the rapping shaft 5 is vertical to the axis of the rapping input shaft 3, and the rapping shaft 5 is provided with a second chute 7 which is connected with the adjusting mechanism in a sliding way. The driving mechanism can realize the control of the rotating speed of the rapping shaft 5 through the adjustment of the adjusting mechanism, and further realize the adjustment of the rapping period of the rapping mechanism.

And the adjusting mechanism is arranged between the driving mechanism and the rapping mechanism, is in transmission connection with the driving mechanism and the rapping mechanism respectively, and is used for adjusting the rapping period of the rapping mechanism. As shown in fig. 4, the adjusting mechanism comprises a small pinwheel 8 slidably disposed on the rapping input shaft 3, a large pinwheel 9 slidably disposed on the rapping shaft 5, and a propelling assembly fixedly disposed on the rapping input shaft 3 and the rapping shaft 5 for propelling the small pinwheel 8 and the large pinwheel 9 to move along their respective axes, respectively.

Wherein, the small pinwheel 8 is fixedly provided with a first slide block 10 which is arranged in the first chute 4 in a sliding way, and the first slide block 10 can prevent the small pinwheel 8 and the rapping input shaft 3 from rotating relatively. The large pinwheel 9 comprises a plurality of concentric pinwheels with different diameters, the pinwheels are sequentially and fixedly arranged according to the diameters, and the spaces between the pins on each pinwheel are the same. The big pinwheel 9 is fixedly provided with a second sliding block 11 which is arranged in the second sliding groove 7 in a sliding manner, and the second sliding block 11 can prevent the big pinwheel 9 and the rapping shaft 5 from generating relative motion. The propulsion assembly comprises a first electric push rod 12 fixed to the rapping input shaft 3 and a second electric push rod 13 fixed to the rapping shaft 5. The position of the small pinwheel 8 on the rapping input shaft 3 and the position of the large pinwheel 9 on the rapping shaft 5 can be respectively controlled through the telescopic matching of the first electric push rod 12 and the second electric push rod 13, so that the pinwheels with different diameters and sizes of the small pinwheel 8 and the large pinwheel 9 are meshed with each other, and the adjustment of the rapping period of the rapping mechanism can be realized.

Further, in order to avoid the absorption of the smoke in the electric dust collector on the propelling component, in this embodiment, the first electric push rod 12 and the second electric push rod 13 are respectively sleeved with a first cover body 14 and a second cover body 15 for isolating the smoke. Specifically, as shown in fig. 4, the first cover 14 is fixed on the rapping input shaft 3, the second cover 15 is fixed on the rapping shaft 5, and the first cover 14 and the second cover 15 are both provided with through holes for the telescopic rods of the first electric push rod 12 and the second electric push rod 13.

The working process of knocking the cathode plate by using the embodiment is as follows:

firstly, the time required by accumulation and molding of the smoke dust on the cathode plate is determined, and then according to the time required by accumulation of the smoke dust on the cathode plate, the small pin wheel 8 and the large pin wheel 9 are adjusted to be meshed with the pin wheel which has the same period required by accumulation of the smoke dust through the propelling assembly. After confirming that the small pinwheel 8 and the large pinwheel 9 are meshed, starting the motor 1, wherein the motor 1 can drive the rapping shaft 5 to rotate, so that the rapping hammer 6 knocks the cathode plate accumulated with smoke dust, at the moment, the smoke dust falls into the ash hopper below the cathode plate under the action of self gravity and vibration force, and the purification of smoke gas and the collection of the smoke dust are completed. This embodiment can realize through adjustment mechanism that rapping mechanism shakes the change of cycle, and then can increase the life of electroceramics pivot 2 to can promote electrostatic precipitator's dust collection efficiency, keep the cleanness of near environment.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or some technical features can be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cathode vibration transmission system of a circular electric dust collector comprises a driving mechanism fixedly arranged on the electric dust collector and a vibration mechanism extending into the electric dust collector and in transmission connection with the driving mechanism; the method is characterized in that: the adjusting mechanism is arranged between the driving mechanism and the rapping mechanism and is used for adjusting the rapping period of the rapping mechanism;

2. The circular electric dust collector cathode rapping transmission system as recited in claim 1, characterized in that: the driving mechanism comprises a motor fixedly arranged on the electric dust collector, an electric porcelain rotating shaft in transmission connection with the motor and a rapping input shaft in transmission connection with the electric porcelain rotating shaft.

3. The circular electric dust collector cathode rapping transmission system as recited in claim 2, characterized in that: the rapping mechanism comprises a rapping shaft which is rotatably connected in the electric dust collector and a rapping hammer which is fixedly arranged on the rapping shaft and used for rapping a cathode plate.

4. The circular electric dust collector cathode rapping transmission system as recited in claim 3, characterized in that: the vibrating input shaft is provided with a first sliding groove along the axis, the vibrating shaft is provided with a second sliding groove along the axis, the small pinwheel is fixedly provided with a first sliding block sliding in the first sliding groove, and the large pinwheel is fixedly provided with a second sliding block sliding in the second sliding groove.

5. The circular electric dust collector cathode rapping transmission system as recited in claim 4, characterized in that: the propelling component comprises a first electric push rod fixedly arranged on the rapping input shaft and used for pushing the small pinwheel to move along the axis of the small pinwheel and a second electric push rod fixedly arranged on the rapping shaft and used for pushing the large pinwheel to move along the axis of the large pinwheel.

6. The circular electric dust collector cathode rapping transmission system as recited in claim 5, characterized in that: the vibration input shaft is fixedly provided with a first cover body sleeved outside the first electric push rod, and the vibration input shaft is fixedly provided with a second cover body sleeved outside the second electric push rod.