CN210333026U

CN210333026U - Dust collecting and discharging device in electric dust collector

Info

Publication number: CN210333026U
Application number: CN201920868768.9U
Authority: CN
Inventors: 蔡艳明
Original assignee: Yichang Hualin Cement Co ltd
Current assignee: Yichang Hualin Cement Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-04-17
Anticipated expiration: 2029-06-11

Abstract

The utility model provides a dust collecting and discharging device in an electric dust collector, which comprises the electric dust collector, wherein a plurality of discharging shells are arranged on the electric dust collector, the discharging holes of the discharging shells are connected with a collecting pipe, one end of the collecting pipe is provided with a rotating plate, the other end of the collecting pipe is provided with a supporting plate, a lead screw is rotatably arranged between the rotating plate and the supporting plate, one end of the lead screw, which extends out of the rotating plate, is connected with a driving motor, and a material pushing piston which is positioned in the collecting pipe and is in sliding fit with the collecting pipe is in spiral fit on the lead screw; a discharge joint is arranged on the part of the collecting pipe close to one side of the supporting plate.

Description

Dust collecting and discharging device in electric dust collector

Technical Field

The utility model relates to a cement processing equipment field, concretely relates to dust among electric dust collector collects discharge device.

Background

In the cement production line, store in the regeneration feed bin after grinding the cement raw materials to carry the cement raw materials through the raw material bin and fire in the rotary kiln, fire the in-process at the rotary kiln and need discharge the flue gas, and contain the dust in the flue gas, can not directly empty.

Install the electric dust collector in present production line and adsorb and carry out subsequent processing to the dust in the flue gas, current electric dust collector all carries through sealed long pipeline, and remaining dust is not in time discharged, and the adhesion lets the passageway of pipeline reduce after on the pipeline, leads to the dust to take place the condition of jam easily in the discharge outlet department of electric dust collector.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a dust among electric dust collector collects discharge device has solved the easy problem of blockking up of discharge outlet department of current electric dust collector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dust collecting and discharging device in an electric dust collector comprises the electric dust collector, wherein a plurality of discharging shells are arranged on the electric dust collector, discharging holes of the discharging shells are connected with a collecting pipe, one end of the collecting pipe is provided with a rotating plate, the other end of the collecting pipe is provided with a supporting plate, a screw rod is rotatably arranged between the rotating plate and the supporting plate, one end, extending out of the rotating plate, of the screw rod is connected with a driving motor, and a material pushing piston which is positioned in the collecting pipe and is in sliding fit with the collecting pipe is in spiral fit on the screw rod; and a discharge joint is arranged on the part of the collecting pipe close to one side of the supporting plate.

Preferably, a support frame for mounting the collecting pipe and the driving motor is arranged below the electric dust collector, and the support frame comprises two parallel transverse plates and a plurality of support rods welded between the two transverse plates.

Preferably, an air injection assembly for injecting air into the collecting pipe is mounted on the collecting pipe at a position close to the rotating plate, and an air pump communicated with the air injection assembly is mounted on the supporting frame.

Preferably, the air injection assembly comprises an annular pipe fixedly arranged on the collecting pipe, a plurality of nozzles which are uniformly distributed along the circumferential direction and communicated with the interior of the collecting pipe are arranged between the annular pipe and the collecting pipe, and each nozzle inclines from the annular pipe to one side of the collecting pipe; the annular tube is in communication with an air pump.

Preferably, the support plate is provided with a plurality of vent holes.

Preferably, a dust filter plate is arranged on the position between the discharge connector and the support plate in the collecting pipe.

Preferably, the end of the collecting pipe is provided with a dust filter bag.

Compared with the prior art, the utility model discloses following beneficial effect has:

collecting pipes and discharging connectors are arranged at discharging ports of a plurality of discharging shells on the electric dust collector, dust discharged from the electric dust collector can be continuously discharged through the collecting pipes and the discharging pipes under the action of internal power in the normal use process, and the dust adhered to the collecting pipes needs to be cleaned in time in the discharging process; the screw rod is driven to rotate on the rotating plate and the supporting plate through the driving motor, so that the spiral motion between the pushing piston and the screw rod is converted into the linear motion of the pushing piston in the collecting pipe, and the pushing piston cleans dust adhered to the collecting pipe and discharges the dust from the discharging joint.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

in the figure, an electric dust collector 1, a discharge shell 2, a collecting pipe 3, a rotating plate 4, a supporting plate 5, a vent hole 50, a screw rod 6, a driving motor 7, a material pushing piston 8, a discharge joint 9, a supporting frame 10, a transverse plate 101, a supporting rod 102, an air injection assembly 11, an annular pipe 111, a nozzle 112, an air pump 12, a dust filtering plate 13 and a dust filtering bag 14.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

As shown in fig. 1-3, the utility model provides a dust among electric dust collector 1 collects discharge device, including electric dust collector 1, be equipped with a plurality of row material shells 2 on electric dust collector 1, during normal use, adsorb the dust in the flue gas and discharge through arranging material shell 2 through dust conveying system in electric dust collector 1, arrange the quantity phase-match of the range quantity of the dust collecting electrode among the quantity of row material shell 2 and the electric dust collector 1.

The discharge ports of the discharge shells 2 are connected with a collecting pipe 3, one end of the collecting pipe 3 is provided with a rotating plate 4, the other end of the collecting pipe 3 is provided with a supporting plate 5, a screw rod 6 is rotatably arranged between the rotating plate 4 and the supporting plate 5, one end of the screw rod 6 extending out of the rotating plate 4 is connected with a driving motor 7, and the driving motor 7 is of the conventional type which can adopt YEJ 801. A material pushing piston 8 which is positioned in the collecting pipe 3 and is in sliding fit with the collecting pipe 3 is spirally matched on the screw rod 6; a discharge connector 9 is arranged on the collecting pipe 3 close to one side of the supporting plate 5, discharge holes of a plurality of discharge shells 2 on the electric dust collector 1 are connected through the collecting pipe 3, when the electric dust collector 1 normally operates, dust adsorbed inside is conveyed into a main pipeline through the collecting pipe 3 and the discharge connector 9 through air flow, and dust discharge processing is normally carried out; when electric dust collector 1 stops, drive lead screw 6 through driving motor 7 and rotate on rotor plate 4 and backup pad 5, thereby make and push away material piston 8 and slide in collection pipe 3, clear up collection pipe 3's inside wall, and discharge the dust of clearance in discharging from row material joint 9 to the main line, can discharge fast when the dust is arranged to the row material next time, carry out effectual clearance through electric dust collector 1 stop interval time at every turn to collection pipe 3, can avoid the too much condition of dust adhesion on collection pipe 3's inside wall, can not produce the condition of jam when guaranteeing to follow the dust of discharging in electric dust collector 1.

The support frame 10 for installing the collecting pipe 3 and the driving motor 7 is arranged below the electric dust collector 1, the support frame 10 comprises two parallel transverse plates 101 and a plurality of support rods 102 welded between the two transverse plates 101, the height of the whole support frame 10 can be limited by changing the heights of the plurality of support rods 102, the collecting pipe 3 and the driving motor 7 can be supported under the condition of different installation heights of the electric dust collector 1, and the bearing strength of the collecting pipe 3 is reduced.

In order to blow air into the collecting pipe 3 during cleaning and accelerate the dust cleaning efficiency, an air injection assembly 11 for blowing air into the collecting pipe 3 is arranged on the collecting pipe 3 close to the rotating plate 4, an air pump 12 communicated with the air injection assembly 11 is arranged on the support frame 10, air is conveyed into the air injection assembly 11 through the air pump 12, air pressure is increased on the collecting pipe 3, dust is blown out after the dust is cleaned by the pushing piston 8, and the cleaning degree in the collecting pipe 3 is improved.

Wherein, the jet module 11 comprises an annular pipe 111 fixedly arranged on the collecting pipe 3, a plurality of nozzles 112 which are uniformly distributed along the circumferential direction and communicated with the inside of the collecting pipe 3 are arranged between the annular pipe 111 and the collecting pipe 3, and each nozzle 112 inclines from the annular pipe 111 to one side of the collecting pipe 3; the annular pipe 111 communicates with the air pump 12, and jets a high-speed air flow into the header 3 through the plurality of nozzles 112, and the air flow on the inner side wall of the header 3 rotates and moves, thereby further cleaning up dust in the header 3.

Meanwhile, a plurality of vent holes 50 are formed in the supporting plate 5, so that when air is blown into the collecting pipe 3, air flow can flow out of the vent holes 50, the air pump 12 can normally operate, the high-pressure condition in the collecting pipe 3 is avoided, and meanwhile, dust can enter the discharging connector 9.

In order to adjust the flowing direction of dust at the discharging joint 9 and the air pressure in the collecting pipe 3, a dust filtering plate 13 is arranged at a position between the discharging joint 9 and the supporting plate 5 in the collecting pipe 3, a rotatable baffle plate is arranged on the dust filtering plate 13 and can block filtering holes in the dust filtering plate 13, wherein the filtering holes in the dust filtering plate 13 are distributed at intervals, the baffle plate blocks the filtering holes intermittently, the baffle plate is fixedly connected with the screw rod 6, and when the screw rod 6 rotates, the baffle plate and the screw rod 6 synchronously rotate to open the filtering holes along with the rotation of the baffle plate; when the electric dust collector 1 normally operates, because the baffle blocks the filter holes, the dust entering the collecting pipe 3 is blocked by the dust filtering plate 13 to enter the discharge joint 9 and enter the main pipeline; when the electric dust collector 1 stops intermittence and cleans the collecting pipe 3, the baffle can be driven to rotate by the rotation of the screw rod 6, and the clearance of the filtering holes on the dust filtering plate 13 is opened; blocking and filtering the dust, so that the dust falls into the discharge connector 9 and the air can normally circulate; a dust filter bag 14 is provided at the end of header 3, and dust from the end of header 3 is collected in dust filter bag 14 to avoid direct discharge into the air and environmental pollution.

Through the discharge gate with a plurality of row on the electric dust collector 1 material shell 2 connect the back through collecting pipe 3, can in time clear up collecting pipe 3 when electric dust collector 1 interval of stopping down at every turn to avoid causing the condition that the discharge gate blockked up, guarantee that electric dust collector 1 lets the pipeline can be unblocked when normal operating.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a dust among electric dust collector collects discharge device, includes electric dust collector (1), its characterized in that: the electric dust collector (1) is provided with a plurality of discharge shells (2), discharge holes of the discharge shells (2) are connected with a collecting pipe (3), one end of the collecting pipe (3) is provided with a rotating plate (4), the other end of the collecting pipe (3) is provided with a supporting plate (5), a lead screw (6) is rotatably arranged between the rotating plate (4) and the supporting plate (5), one end of the lead screw (6) extending out of the rotating plate (4) is connected with a driving motor (7), and a material pushing piston (8) which is positioned in the collecting pipe (3) and is in sliding fit with the collecting pipe (3) is in spiral fit on the lead screw (6); a discharge joint (9) is arranged on the part of the collecting pipe (3) close to one side of the supporting plate (5).

2. The dust collecting and discharging device in an electric dust collector as claimed in claim 1, wherein: a supporting frame (10) used for installing a collecting pipe (3) and a driving motor (7) is arranged below the electric dust collector (1), and the supporting frame (10) comprises two parallel transverse plates (101) and a plurality of supporting rods (102) welded between the two transverse plates (101).

3. The dust collecting and discharging device in an electric dust collector as claimed in claim 2, wherein: an air injection assembly (11) for blowing air into the collecting pipe (3) is arranged on the position, close to the rotating plate (4), of the collecting pipe (3), and an air pump (12) communicated with the air injection assembly (11) is arranged on the supporting frame (10).

4. The dust collecting and discharging device in an electric dust collector as claimed in claim 3, wherein: the air injection assembly (11) comprises an annular pipe (111) fixedly mounted on the collecting pipe (3), a plurality of nozzles (112) which are uniformly distributed along the circumferential direction and communicated with the interior of the collecting pipe (3) are arranged between the annular pipe (111) and the collecting pipe (3), and each nozzle (112) inclines from the annular pipe (111) to one side of the collecting pipe (3);

the annular tube (111) is in communication with an air pump (12).

5. The dust collecting and discharging device in an electric dust collector as claimed in claim 4, wherein: the supporting plate (5) is provided with a plurality of vent holes (50).

6. The dust collecting and discharging device in an electric dust collector as claimed in claim 5, wherein: and a dust filter plate (13) is arranged on the part, positioned between the discharge connector (9) and the support plate (5), in the collecting pipe (3).

7. The dust collecting and discharging device in an electric dust collector as claimed in claim 5, wherein: the tail end of the collecting pipe (3) is provided with a dust filtering bag (14).