Rapping device for flow equalizing plate of dust remover

By designing a vibration device for the flow equalization plate of the dust collector, and utilizing a combination of a drive motor and vibration hammers, the problem of dust accumulation and blockage in the flow equalization plate was solved, achieving uniform flue gas flow and energy saving, and ensuring the safe operation of power plant equipment.

CN223556209UActive Publication Date: 2025-11-18YUHENG POWER STATION OF SHAANXI HUADIAN YUHENG COAL POWER CO LTD
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Patent Information

Application Number
CN202423030453.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-10
Publication Date
2025-11-18
Estimated Expiration
2035-09-10

AI Technical Summary

Technical Problem

Dust accumulation and blockage of the flow equalization plate in the power plant dust collector leads to uneven flow of flue gas, increases the energy consumption of the boiler induced draft fan, and in severe cases, limits the unit load.

Method used

Design a dust collector flow equalization plate rapping device. The rapping component moves up and down by driving a reciprocating screw and slide rod through a drive motor. The rapping hammer head cleans the flow equalization plate. An air cooling system protects the motor.

Benefits of technology

It effectively solved the problem of dust accumulation and blockage in the flow equalization plate, ensured uniform flue gas flow, reduced the energy consumption of the induced draft fan, and ensured the safe and continuous operation and energy-saving effect of the unit.

✦ Generated by Eureka AI based on patent content.

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Abstract

When a unit runs, the flow equalizing plate is extremely easy to harden and accumulate dust, so that holes of the flow equalizing plate are blocked, intercepted flue gas is prevented from normally and uniformly passing through a dust remover channel, the energy consumption of a boiler induced draft fan is increased, and the load of the unit is limited in serious cases. The vibrating device comprises a box body, a flow equalizing plate is arranged in the box body, a vibrating frame is fixed on the top of the box body, a driving motor is fixed on the vibrating frame, an output shaft of the driving motor is fixed with a reciprocating lead screw, a lead screw nut sleeve is sleeved on the reciprocating lead screw, the lead screw nut sleeve is fixed on a connecting plate, and the connecting plate is fixed on the box body. One end of the connecting plate is fixed to a sliding rod, and the sliding rod penetrates through the box body to be fixed to a rapping assembly. The utility model relates to a flow equalizing plate vibrator for a dust remover.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a dust remover flow equalizing plate rapping device. BACKGROUND

[0002] The dust remover of the power plant adopts electric bag integration, the front part of the electric bag composite dust remover is an electric dust removal area, the rear part is a cloth bag dust removal area, a flow equalizing plate is arranged between the electric field area and the cloth bag area to ensure that the flue gas uniformly passes through the dust remover channel, the flow equalizing plate is easily caked with dust during the operation of the unit, which causes the holes of the flow equalizing plate to be blocked, hinders the normal and uniform passage of the trapped flue gas through the dust remover channel, increases the energy consumption of the boiler induced draft fan, and seriously limits the unit load. SUMMARY

[0003] The utility model discloses a dust remover flow equalizing plate rapping device, which solves the problems in the background technology.

[0004] To achieve the above purpose, the utility model discloses the following technical scheme:

[0005] A dust remover flow equalizing plate rapping device, which comprises a box body, a flow equalizing plate in the box body, a rapping frame fixed on the top of the box body, a drive motor fixed on the rapping frame, an output shaft of the drive motor fixed with a reciprocating screw rod, a screw nut sleeve sleeved on the reciprocating screw rod, the screw nut sleeve fixed on a connecting plate, one end of the connecting plate fixed with a sliding rod, the sliding rod penetrating through the box body and fixed with a rapping assembly.

[0006] The dust remover flow equalizing plate rapping device, wherein the rapping assembly comprises a shell, a double-shaft motor fixed in the shell through a fixed rib, and output shafts of the double-shaft motor fixed with rapping heads.

[0007] The dust remover flow equalizing plate rapping device, wherein the rapping head comprises a connecting block, an extension rod fixed on the connecting block, a spring sleeved on the extension rod, and a rapping hammer head fixed on the end of the extension rod.

[0008] The dust remover flow equalizing plate rapping device, wherein the extension rod comprises an inner rod and an outer sleeve tube, and the outer sleeve tube is sleeved on the inner rod.

[0009] The dust remover flow equalizing plate rapping device, wherein the fixed rib is a circular rib, and a plurality of semicircular notches are uniformly arranged in the circular rib. Advantages

[0010] 1. The utility model discloses can realize the shaking of the flow equalization plate, effectively solved because the dust collector electric area and cloth bag area between the flow equalization plate dust blockage, further cause the induced draft fan output is limited even unit receives the load limited problem, guarantees the continuous safe operation of unit equipment, plays the role of energy saving and cost reduction simultaneously.

[0011] 2. The utility model discloses through the slide bar can realize up and down reciprocating motion, thereby realizes the comprehensive shaking of the flow equalization plate, guarantees its shaking and dust cleaning effect. DRAWINGS

[0012] Figure 1 It is the sectional view of the utility model;

[0013] Figure 2 It is the front view of the utility model;

[0014] Figure 3 It is the plan view of the utility model;

[0015] Figure 4 It is the A-A section view of Figure 2 ;

[0016] Figure 5 It is the B-B section view of Figure 3 ;

[0017] Figure 6 It is the C part enlarged view of Figure 4 ;

[0018] Figure 7 It is the D part enlarged view of Figure 5 ;

[0019] Figure 8 It is the perspective view of the utility model;

[0020] Figure 9 It is the E part enlarged view of Figure 7 ;

[0021] Figure 10 It is the structural schematic diagram of fixed rib;

[0022] In the drawing: 1, box body; 2, shaking frame; 3, guide column; 4, reciprocating screw; 5, connecting plate; 6, slide bar; 7, flow equalization plate; 8, shaking assembly; 9, screw nut sleeve; 10, drive motor; 11, cloth bag dust removal area; 12, electric dust removal area; 13, sliding sealing sleeve; 14, breather pipe; 15, electric wire; 81, shell; 82, double-shaft motor; 83, fixed rib; 84, connecting block; 85, telescopic rod; 86, shaking hammer head; 87, spring; 88, air outlet; 89, sealing bearing; 90, end cover; 91, output shaft; 831, semicircular notch; 851, inner rod; 852, outer sleeve. DETAILED DESCRIPTION

[0023] Reference Figures 1-10 A dust collector flow uniforming plate vibration device, which comprises a box body 1, a flow uniforming plate 7 in the box body, flue gas first passes through an electric dust removal area for electric dust removal, then passes through the flow uniforming plate for flow uniforming, and enters a bag dust removal area, a vibration frame 2 is fixed on the top of the box body, the vibration frame is a day-shaped frame, a driving motor 10 is fixed on the vibration frame, the driving motor is a speed reducer motor, the output shaft of the driving motor is fixed with a reciprocating lead screw 4, the two ends of the reciprocating lead screw are connected with the vibration frame through bearings, a lead screw nut sleeve 9 is sleeved on the reciprocating lead screw, the lead screw nut sleeve is fixed on a connecting plate 5, a circular hole is formed in the center of the connecting plate, the lead screw nut sleeve is fixed in the circular hole, one end of the connecting plate is fixed with a sliding rod 6, the sliding rod is a hollow cylindrical rod, the sliding rod is communicated with an air pipe, the air pipe is a hose, and an electric wire is also inserted into the sliding rod, the electric wire is used for power supply of the double-shaft motor, the sliding rod is fixed with a vibration assembly 8 through the box body, a sliding sealing sleeve 13 is fixed on the box body, the sliding rod is fixed with the vibration assembly through the sliding sealing sleeve, and the sliding sealing sleeve is used for sealing between the sliding rod and the vibration assembly to prevent air leakage.

[0024] The vibration assembly comprises a shell 81, end covers 90 are fixed at the two ends of the shell through bolts, sealing bearings 89 are fixed on the end covers, a double-shaft motor 82 is fixed in the shell through fixing ribs 83, and the output shafts 91 of the double-shaft motor are fixed with vibration heads through the sealing bearings 89.

[0025] The fixing rib is a circular rib, and a plurality of semicircular grooves 831 are uniformly arranged in the circular rib.

[0026] Air outlet holes 88 are formed in the two end covers.

[0027] The upper end of the sliding rod is connected with the air pipe, the double-shaft motor is in the electric dust removal area, and thus air cooling is needed, air enters into the sliding rod through the air pipe, the bottom of the sliding rod is communicated into the shell, the air enters into the shell to cool the double-shaft motor, then flows out through the semicircular grooves of the fixing rib, and is discharged to the electric dust removal area through the air outlet holes in the end covers.

[0028] The vibration head comprises a connecting block 84, the connecting block is fixed at the end of the output shaft, an extension rod 85 is fixed on the connecting block, a spring 87 is sleeved on the extension rod, and a vibration hammer head 86 is fixed at the end of the extension rod, the vibration hammer head is a spherical vibration hammer head.

[0029] The extension rod comprises an inner rod 851 and an outer sleeve 852, and the outer sleeve is sleeved on the inner rod.

[0030] Working principle: in use, start the drive motor, the drive motor drives the reciprocating screw to rotate, the reciprocating screw is connected with the screw nut sleeve, so that the connecting plate slides up and down, drives the slide rod to slide, the slide rod drives the vibration assembly to reciprocate up and down, realizes the reciprocating vibration, the double shaft motor is effectively protected through the shell, the connecting wire is inserted into the slide rod, the circuit is connected, the double shaft motor is started, drives the output shaft to rotate, so that the vibration head rotates, after the vibration hammer head hits the flow distribution plate, the vibration of the flow distribution plate is realized;

[0031] Air enters into the slide rod through the air pipe, the bottom of the slide rod is communicated to the shell, air enters into the shell to cool the double shaft motor, then flows out through the semicircular notch of the fixed rib, cools the output shaft end, and then is discharged to the electric dust removal area through the air outlet hole on the end cover.

Claims

1. A dust collector flow equalizer rapping device comprising: The utility model provides a box, the box has the flow -equalizing plate in it, it is characterized by: the top of the box is fixed with the frame of shaking and beating, the frame of shaking and beating is fixed with the driving motor, the output shaft of driving motor is fixed with the reciprocating lead screw, the lead screw nut cover is sleeved on the reciprocating lead screw, the lead screw nut cover is fixed on the connecting plate, one end of the connecting plate is fixed with the slide bar, the slide bar passes through the box and is fixed with the shaking and beating component.

2. A dust collector flow uniforming plate rapping device according to claim 1, characterized in that: The shaking and beating component includes a housing, a double-shaft motor is fixed in the housing by a fixed rib, and output shafts of the double-shaft motor are respectively fixed with shaking and beating heads.

3. A dust collector flow uniforming plate rapping device according to claim 2, characterized in that: The shaking and beating head includes a connecting block, an extension rod is fixed on the connecting block, a spring is sleeved on the extension rod, and an end of the extension rod is fixed with a shaking and beating hammer head.

4. A dust collector flow uniforming plate rapping device according to claim 3, characterized in that: The extension rod includes an inner rod and an outer sleeve, and the outer sleeve is sleeved on the inner rod.

5. A dust collector flow uniforming plate rapping device according to claim 4, characterized in that: The fixed rib is a circular rib, and a plurality of semicircular grooves are uniformly arranged in the circular rib.