Automatic injection device for ash bucket

Abstract

The utility model relates to the technical field of thermal power generation, in particular to an ash bucket automatic blowing device which comprises an ash receiving bucket and an air blowing device, a recovery pipe is installed on the lower surface of the ash receiving bucket, the air blowing device is arranged on one side of the recovery pipe, the air blowing device comprises a round sleeve, the round sleeve is fixedly connected with the recovery pipe, and one side of the round sleeve is fixedly connected with an air pipe. In the fly ash recycling process, fly ash particles are fine in texture and prone to mutual adsorption and accumulation together, especially in a relatively narrow channel of the recycling pipe, the blocking condition is prone to occurring, the blowing device blows air flow into the recycling pipe, the accumulated dust can be loosened, the mutual adhesion and caking state of the fly ash is broken through, and the recycling effect of the fly ash is improved. The fly ash recovery device reduces blockage formed in the recovery pipe, ensures that fly ash can be continuously and smoothly conveyed along the recovery pipe, maintains stable operation of the whole recovery process, and does not interrupt the recovery operation due to the blockage problem, thereby improving the continuity and reliability of the recovery work.

Description

TECHNICAL FIELD

[0001] The utility model relates to thermal power generation technical field especially, relates to a ash bucket automatic injection device. BACKGROUND

[0002] In power plant, especially in coal-fired power plant, a large amount of fly ash and other solid particulate matters are produced after coal combustion, the ash bucket is usually installed below the tail flue of the boiler, the lower part of the dust removal equipment such as electric precipitator or bag-type dust collector, its main function is to collect the fly ash falling from these parts, avoid the fly ash flying everywhere, so that the dust can be collected orderly, which is convenient for subsequent treatment and disposal.

[0003] In the prior art, such as the utility model with publication number CN201285059Y, the utility model relates to the ash bucket field, concretely to an ash bucket, which comprises: a main body, the main body has an ash outlet at the upper end, an ash outlet at the lower end, and an auxiliary ash outlet arranged on the side wall of the main body; and a grid, the grid is obliquely arranged in the main body, and the lower end of the grid is adjacent to the auxiliary ash outlet. According to the ash bucket, the grid can separate the larger size ash from the smaller size ash, and the larger size ash is discharged through the auxiliary ash outlet, which avoids the larger size ash directly hitting the wall of the ash bucket, reduces the damage to the main body, and improves the service life of the ash bucket. However, under the action of gravity, the fly ash falls into the ash bucket from the upper flue or dust collector, and with the continuous accumulation of fly ash in the ash bucket, the fly ash gradually converges towards the outlet at the lower part of the ash bucket, which is easy to block the ash bucket and affect the equipment to recover the fly ash.

[0004] In order to solve the problem that the fly ash falls into the ash bucket from the upper flue or dust collector under the action of gravity, and with the continuous accumulation of fly ash in the ash bucket, the fly ash gradually converges towards the outlet at the lower part of the ash bucket, which is easy to block the ash bucket, the prior art adopts the way of disassembling and cleaning the ash bucket, but this increases the difficulty of maintaining the equipment, and further leads to the problem of inconvenient use of the equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that in the prior art, the fly ash falls into the ash bucket from the upper flue or dust collector under the action of gravity, and with the continuous accumulation of fly ash in the ash bucket, the fly ash gradually converges towards the outlet at the lower part of the ash bucket, which is easy to block the ash bucket, and provides an ash bucket automatic injection device.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a dust hopper automatic injection device, including dust hopper and blowing device, the lower surface of dust hopper is installed with recovery pipe, the blowing device is arranged in one side of recovery pipe, the blowing device includes round sleeve, the round sleeve is fixedly connected with recovery pipe, one side of round sleeve is fixedly connected with trachea, the one end away from round sleeve of trachea is fixedly connected with shell, one side of shell is fixedly connected with servo motor, the drive end of servo motor penetrates shell and is fixedly connected with fan blade, by setting blowing device, in the fly ash recovery process, fly ash particle itself texture is thin and easy to mutually adsorb, accumulate together, especially in the relatively narrow passageway of recovery pipe, it is easy to appear the jam situation, blowing device can make the accumulated dust loose by blowing into the airflow in recovery pipe, break the state of mutual adhesion, caking between fly ash, reduce its in recovery pipe and form the stopper, ensure that fly ash can continuously, smoothly along recovery pipe and is transported, maintain the whole recovery process stable operation, will not be interrupted because of the jam problem and recovers the work, thereby improved the continuity and reliability of recovery work.

[0007] Preferably, the round sleeve is communicated with the recovery pipe, and a filter screen is fixedly connected to one side of the round sleeve close to the recovery pipe. The round sleeve can play a role similar to a flow deflector, so that the airflow from the trachea can enter the recovery pipe more concentratedly in a specific direction.

[0008] Preferably, the fan blade is rotatably connected to the shell at one side away from the servo motor, and the trachea is communicated with the round sleeve. The fan blade rotates rapidly under the drive of the servo motor, so that a continuous and relatively strong airflow can be generated. The airflow can act on the accumulated fly ash in the recovery pipe in a large area.

[0009] Preferably, a dredging device is arranged on the lower surface of the recovery pipe. The dredging device includes a mounting cylinder fixedly connected to the lower surface of the recovery pipe, and a push plate slidably connected to the inner wall of the mounting cylinder. A clamping sleeve is fixedly connected to one side of the mounting cylinder close to the push plate, and a DC motor is fixedly connected to the inner wall of the clamping sleeve. The DC motor drives the push plate to shake off the fly ash, so that the dust attached to the inner wall of the recovery pipe and other positions and hindering the normal flow of fly ash can be timely detached and not accumulated for a long time to form an obstacle. Therefore, the smooth transmission of fly ash in the recovery pipe is ensured, and the overall recovery efficiency is further improved.

[0010] Preferably, a pull rope is arranged on the drive end of the DC motor, and the pull rope is fixedly connected to the push plate at one side away from the DC motor. The pull rope, as a kind of transmission component, can cooperate with the DC motor to indirectly control the action of the push plate by remotely controlling the start, stop and rotation direction of the DC motor.

[0011] Preferably, the push plate is in abutment with the recovery pipe, and the push plate is circularly arranged. When the DC motor drives the pull rope to pay out, the push plate collides with the recovery pipe under the extrusion of the elastic force of the pressure spring after losing the restraint. The collision can generate a strong vibration force, which directly acts on the fly ash accumulated in the recovery pipe, so that the fly ash adhered to the wall of the recovery pipe or accumulated in a lump due to various reasons is shaken off and dispersed.

[0012] Preferably, one side of the push plate is fixedly connected with a pressure spring, and the side, away from the push plate, of the pressure spring is fixedly connected with the sleeve. By arranging the pressure spring, the pressure spring itself has elastic potential energy. When the DC motor drives the pull rope to pay out, the push plate loses the restraint, and the pressure spring starts to release the stored elastic potential energy to generate elastic force and extrude the push plate.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] In the utility model, the ash collecting hopper collects fly ash, and then the fly ash passes through the recovery pipe. At this time, the servo motor is started to drive the fan blade to rotate. The fan blade drives the airflow into the air pipe during rotation, the air pipe drives the airflow into the recovery pipe through the circular sleeve to loosen the accumulated dust in the recovery pipe and accelerate the recovery speed. At the same time, the DC motor is started to drive the pull rope to pay out. The push plate loses the restraint, the pressure spring generates elastic force to extrude the push plate to collide with the recovery pipe, and the fly ash in the recovery pipe is shaken off to reduce the fly ash accumulation. The blowing accelerates the fly ash recovery. In the fly ash recovery process, the fly ash particles are fine in texture and easy to be mutually adsorbed and accumulated together, especially in the relatively narrow channel of the recovery pipe. The blowing device can loosen the accumulated dust, break the mutual adhesion and caking state of the fly ash, reduce the formation of the blocking material in the recovery pipe, ensure that the fly ash can be continuously and smoothly transported along the recovery pipe, maintain the stable operation of the whole recovery process, and will not interrupt the recovery operation due to the blocking problem, thereby improving the continuity and reliability of the recovery work. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the ash hopper automatic blowing device is provided for the utility model;

[0016] Figure 2 A side view structure schematic view of the ash hopper automatic blowing device is provided for the utility model;

[0017] Figure 3 A blowing device structure schematic view of the ash hopper automatic blowing device is provided for the utility model;

[0018] Figure 4 The utility model provides a kind of dredging device structure schematic diagram of ash bucket automatic injection device;

[0019] Figure 5 The utility model provides a kind of dredging device structure schematic diagram of ash bucket automatic injection device Figure 4 The A place enlarged structure schematic diagram of.

[0020] Legend: 1, ash receiving hopper; 2, recovery pipe; 3, blowing device; 31, air pipe; 32, round sleeve; 33, filter screen; 34, shell; 35, servo motor; 36, fan blade; 4, dredging device; 41, mounting cylinder; 42, push plate; 43, pull rope; 44, pressure spring; 45, direct current motor; 46, clamping sleeve. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of ash bucket automatic injection device, including ash receiving hopper 1 and blowing device 3, ash receiving hopper 1 is installed with recovery pipe 2 on the lower surface, blowing device 3 is arranged in one side of recovery pipe 2.

[0022] The specific setting and effect of blowing device 3 and dredging device 4 are described below.

[0023] In the embodiment: blowing device 3 includes round sleeve 32, and the round sleeve 32 is fixedly connected with recovery pipe 2, one side of the round sleeve 32 is fixedly connected with air pipe 31, the end of the air pipe 31 away from the round sleeve 32 is fixedly connected with shell 34, one side of the shell 34 is fixedly connected with servo motor 35, the driving end of the servo motor 35 is fixedly connected with fan blade 36 through shell 34, by setting blowing device 3, in the fly ash recovery process, fly ash particles are relatively fine and easy to mutually adsorb, accumulate together, especially in the relatively narrow channel of recovery pipe 2, it is easy to appear the jam situation, blowing device 3 can make accumulated dust loose by blowing air flow into recovery pipe 2, break the state of mutual adhesion, agglomeration between fly ash, reduce its in recovery pipe 2 form the jam, ensure that fly ash can continuously, smoothly along recovery pipe 2 is transported, maintains the stable operation of entire recovery process, will not be interrupted recovery operation due to jam problem, thereby improve the continuity and reliability of recovery work.

[0024] Specifically, the round sleeve 32 is communicated with the recovery pipe 2, and the round sleeve 32 is fixedly connected with the filter screen 33 on the side close to the recovery pipe 2, by setting the round sleeve 32, the round sleeve 32 can play the role similar to the fairing, so that the air flow from the air pipe 31 can more concentratedly enter the recovery pipe 2 according to a specific direction.

[0025] Specifically, the fan blade 36 is rotatably connected to the shell 34 on the side away from the servo motor 35, and the air pipe 31 is in communication with the round sleeve 32. By arranging the fan blade 36, the fan blade 36 is driven to rotate rapidly under the action of the servo motor 35, so that a continuous and relatively strong airflow is generated. These airflows can act on the fly ash accumulated in the recycling pipe 2 in a large area after entering the recycling pipe 2 through the air pipe 31 and the round sleeve 32.

[0026] Specifically, the lower surface of the recycling pipe 2 is provided with a dredging device 4. The dredging device 4 includes a mounting cylinder 41 fixedly connected to the lower surface of the recycling pipe 2. The inner wall of the mounting cylinder 41 is slidably connected with a push plate 42. The side of the mounting cylinder 41 close to the push plate 42 is fixedly connected with a clamping sleeve 46. The inner wall of the clamping sleeve 46 is fixedly connected with a direct current motor 45. By arranging the dredging device 4, the direct current motor 45 drives the push plate 42 to vibrate and fall the fly ash, so that the dust that may be attached to the inner wall of the recycling pipe 2 and other positions and hinder the normal flow of fly ash can be timely separated and will not be accumulated for a long time to form an obstacle, thereby ensuring the smooth transmission of fly ash in the recycling pipe 2 and further improving the overall recovery efficiency.

[0027] Specifically, the driving end of the direct current motor 45 is sleeved with a pull rope 43. The side of the pull rope 43 away from the direct current motor 45 is fixedly connected with the push plate 42.

[0028] In the embodiment, the pull rope 43 is arranged as a kind of transmission component, which can cooperate with the direct current motor 45. By remotely controlling the start, stop and rotation direction of the direct current motor 45, the action of the push plate 42 connected with the direct current motor 45 can be indirectly controlled.

[0029] Specifically, the push plate 42 is in abutment with the recycling pipe 2, and the push plate 42 is circularly arranged.

[0030] In the embodiment, when the direct current motor 45 drives the pull rope 43 to pay out the wire, the push plate 42 loses the restraint and collides with the recycling pipe 2 under the extrusion of the elastic force of the pressure spring 44. The collision can generate a relatively strong vibration force, which directly acts on the fly ash accumulated in the recycling pipe 2, so that the fly ash attached to the wall of the recycling pipe 2 or accumulated in a lump due to various reasons is vibrated and dispersed.

[0031] Specifically, the side of the push plate 42 is fixedly connected with a pressure spring 44. The side of the pressure spring 44 away from the push plate 42 is fixedly connected with the clamping sleeve 46.

[0032] In the embodiment, the pressure spring 44 is arranged. The pressure spring 44 itself has elastic potential energy. When the direct current motor 45 drives the pull rope 43 to pay out the wire, so that the push plate 42 loses the restraint, the pressure spring 44 starts to release the elastic potential energy stored by itself, generates an elastic force and extrudes the push plate 42.

[0033] Working principle: through setting blowing device 3 and dredging device 4, use, dust hopper 1 will fly ash collection, then fly ash passes through recovery pipe 2, servo motor 35 is started at this time, servo motor 35 drives fan blade 36 to rotate, fan blade 36 rotates in the process to drive airflow into air pipe 31, air pipe 31 drives airflow to enter recovery pipe 2 through round sleeve 32, and the dust accumulated in recovery pipe 2 is loosened, and the recovery speed is accelerated, while direct current motor 45 is started, direct current motor 45 drives pull rope 43 to pay off wire, push plate 42 loses restraint, pressure spring 44 generates elastic force and extrudes push plate 42 to collide with recovery pipe 2, fly ash in recovery pipe 2 is shaken off, the condition of fly ash accumulation is reduced, blowing is accelerated to speed up fly ash recovery, by setting the utility model, in the fly ash recovery process, fly ash particles are relatively fine in texture and easy to mutually adsorb and accumulate together, especially in the relatively narrow channel of recovery pipe 2, it is easy to appear the condition of blockage, blowing device 3 can make the accumulated dust loose by blowing airflow into recovery pipe 2, break the state of mutual adhesion and caking between fly ash, reduce the formation of blockage in recovery pipe 2, ensure that fly ash can be continuously and smoothly transported along recovery pipe 2, maintain the stable operation of the whole recovery process, and the recovery operation will not be interrupted due to the blockage problem, thereby the continuity and reliability of the recovery work are improved.

Claims

1. A device for automatic injection of a dust hopper, comprising a dust hopper (1) and a blowing device (3), characterized in that: The lower surface of the ash receiving hopper (1) is provided with a recovery pipe (2), the blowing device (3) is arranged on one side of the recovery pipe (2), the blowing device (3) comprises a round sleeve (32), the round sleeve (32) is fixedly connected with the recovery pipe (2), one side of the round sleeve (32) is fixedly connected with an air pipe (31), one end of the air pipe (31) away from the round sleeve (32) is fixedly connected with a shell (34), one side of the shell (34) is fixedly connected with a servo motor (35), the driving end of the servo motor (35) penetrates through the shell (34) and is fixedly connected with a fan blade (36).

2. The automatic injection device for a hopper according to claim 1, characterized in that: The round sleeve (32) is communicated with the recovery pipe (2), and the side, close to the recovery pipe (2), of the round sleeve (32) is fixedly connected with a filter screen (33).

3. The automatic injection device for a hopper according to claim 1, characterized in that: The side, away from the servo motor (35), of the fan blade (36) is rotatably connected with the shell (34), and the air pipe (31) is communicated with the round sleeve (32).

4. The automatic injection device for a hopper according to claim 1, characterized in that: The lower surface of the recovery pipe (2) is provided with a dredging device (4), the dredging device (4) comprises a mounting cylinder (41), the mounting cylinder (41) is fixedly connected with the lower surface of the recovery pipe (2), the inner wall of the mounting cylinder (41) is slidably connected with a push plate (42), one side of the mounting cylinder (41), close to the push plate (42), is fixedly connected with a clamping sleeve (46), the inner wall of the clamping sleeve (46) is fixedly connected with a DC motor (45).

5. The automatic injection device of claim 4, wherein: The driving end of the DC motor (45) is sleeved with a pull rope (43), and the side, away from the DC motor (45), of the pull rope (43) is fixedly connected with the push plate (42).

6. The automatic injection device of claim 4, wherein: The push plate (42) is in abutment with the recovery pipe (2), and the push plate (42) is circularly arranged.

7. The automatic injection device of claim 4, wherein: One side of the push plate (42) is fixedly connected with a compression spring (44), and the side, away from the push plate (42), of the compression spring (44) is fixedly connected with the clamping sleeve (46).

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