CN214441528U

CN214441528U - Flue flying dust cleaning device

Info

Publication number: CN214441528U
Application number: CN202022795017.4U
Authority: CN
Inventors: 沈荔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-22
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a flue flying dust cleaning device, including flue gas quench tower, sack cleaner and flue gas pipeline, the flue gas pipeline is vertical setting, the inlet flue of sack cleaner is connected to the upper end of flue gas pipeline, and the exhaust port at flue gas quench tower is connected to its lower extreme, the lower extreme of flue gas pipeline is provided with sweeps grey mechanism, sweep grey mechanism including setting up sweeping grey head and drive in the flue gas pipeline sweep grey head circumference wobbling drive assembly in the flue gas pipeline, the outside setting of flue gas pipeline is used for letting in high-pressure gas's soot blower to the flue gas pipeline constructs. The utility model discloses an easy deposition pipeline setting at flue gas pipeline sweeps grey mechanism and blows grey mechanism, makes the deposition attached to on the pipe wall break away from through the swing of sweeping grey head to the deposition that makes to break away from through the effect that blows grey mechanism gets into the sack cleaner smoothly, guarantees flue gas pipeline's unobstructed.

Description

Flue flying dust cleaning device

Technical Field

The utility model relates to a clean technical field of flue, in particular to flue flying dust cleaning device.

Background

After the flue gas of the hazardous waste incinerator is cooled by quenching, the flue gas enters the bag dust collector, and because the outlet of the quenching tower is lower than the inlet of the bag dust collector, in the section of flue, fly ash in the flue gas can be gradually deposited to block the flue, so that the equipment can not work normally. However, in the prior art, the flue needs to be dismantled and then cleaned, the cleaning mode is troublesome and labor-consuming, equipment cannot normally work in the cleaning stage, the designed equipment is generally large, the cleaning process is slow, and the production efficiency is seriously reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flue flying dust cleaning device solves the inconvenient problem of clearance flue among the prior art.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a flue flying dust cleaning device, includes flue gas quench tower, sack cleaner and flue gas pipeline, the flue gas pipeline is vertical setting, the upper end of flue gas pipeline is connected at the inlet flue of sack cleaner, and the exhaust port at flue gas quench tower is connected to its lower extreme, the lower extreme of flue gas pipeline is provided with sweeps grey mechanism, sweep grey mechanism including setting up sweeping grey head and drive in the flue gas pipeline sweep grey head circumference wobbling drive assembly in the flue gas pipeline, the outside setting of flue gas pipeline is used for letting in high-pressure gas's soot blower mechanism to the flue gas pipeline.

Preferably, the lower end of the flue gas pipeline is provided with a horizontal pipe section horizontally extending to a smoke outlet of the flue gas quenching tower, the ash sweeping mechanism and the ash blowing mechanism are arranged on the horizontal pipe section, and the ash blowing mechanism is arranged below the horizontal pipe section.

Preferably, the driving assembly comprises a swinging rod and a telescopic driving element, one end of the swinging rod extends into the flue gas pipeline and is connected with the ash sweeping head, the other end of the swinging rod is positioned on the outer side of the flue gas pipeline and is connected with the telescopic driving element, and the middle part of the swinging rod is hinged to the pipe wall of the flue gas pipeline.

Preferably, an arc-shaped installation cavity protruding outwards is formed in the smoke pipeline, a rotating plate is arranged in the installation cavity, the rotating plate is installed in the installation cavity through a rotating shaft, the swinging rod is fixedly connected to the rotating plate, and sealing pieces are arranged between the two sides of the rotating plate and the inner wall of the installation cavity.

Preferably, the oscillating rod is of a telescopic structure and comprises a fixed oscillating rod and a movable oscillating rod which are mutually sleeved, the fixed oscillating rod is fixedly connected to the rotating plate, the dust sweeping head is connected to the movable oscillating rod, and an elastic part is arranged between the fixed oscillating rod and the movable oscillating rod.

Preferably, the dust sweeping head is of a flat structure, and rollers used for abutting against the inner wall of the flue gas pipeline are arranged at the front end and the rear end of the dust sweeping head.

Preferably, the soot blowing mechanism comprises a soot blowing pipe and a connecting pipe, the soot blowing pipe is fixed on the outer side of the flue gas pipeline, the connecting pipe is connected between the soot blowing pipe and the flue gas quenching tower, a fan is arranged on the connecting pipe, a plurality of mounting holes are distributed on the soot blowing pipe at intervals, the soot blowing pipe is communicated with the flue gas pipeline through the mounting holes, and soot blowing assemblies are arranged at the mounting holes.

Preferably, the soot blowing assembly comprises a guide pipe and a nozzle arranged in the guide pipe, the nozzle is movably arranged in the guide pipe, and a moving mechanism for driving the nozzle to enter and exit the flue gas pipeline is arranged on the guide pipe.

Preferably, a spherical joint is arranged in the mounting hole, the end part of the guide pipe is connected to the spherical joint, and an angle adjusting mechanism is arranged between the guide pipe and the soot blowing pipe.

Preferably, a plug for plugging the nozzle in the withdrawal guide pipe is arranged in the guide pipe, and a vent hole is arranged on the pipe wall of the guide pipe between the plug and the nozzle.

The utility model has the advantages that: the utility model discloses an easy deposition pipeline setting at flue gas pipeline sweeps grey mechanism and blows grey mechanism, makes the deposition attached to on the pipe wall break away from through the swing of sweeping grey head to the deposition that makes to break away from through the effect that blows grey mechanism gets into the sack cleaner smoothly, guarantees flue gas pipeline's unobstructed.

Drawings

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

FIG. 2 is a schematic structural diagram of an ash sweeping mechanism in an embodiment of the present invention;

FIG. 3 is a sectional view of an embodiment of the ash sweeping mechanism;

FIG. 4 is a schematic structural diagram of a soot blowing mechanism in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a soot blowing assembly in an embodiment of the present invention;

in the figure: 1-a flue gas quenching tower, 2-a flue gas pipeline, 201-an installation cavity, 3-a bag-type dust remover, 4-an ash sweeping mechanism, 401-an ash sweeping head, 402-a swinging rod, 4021-a fixed swinging rod, 4022-a movable swinging rod, 4023-an elastic part, 403-a rotating plate, 404-a telescopic driving element, 405-a roller, 406-a rubber blade, 5-an ash blowing mechanism, 501-an ash blowing pipe, 502-a compressed air control valve, 503-a connecting pipe, 504-an ash blowing component, 5041-a guide pipe, 5042-a nozzle, 5043-a spherical joint, 5044-a rack, 5045-a gear, 5046-a driving rod, 5047-a movable rod, 5048-a plug, 5049-an air vent and 505-a fan.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example (b): as shown in figure 1, a flue flying ash cleaning device, including flue gas quench tower 1, sack cleaner 3 and flue gas pipeline 2, flue gas pipeline 2 is vertical setting, the upper end of flue gas pipeline 2 is connected at the inlet flue of sack cleaner 3, and the exhaust port at flue gas quench tower 1 is connected to its lower extreme. The lower end of the flue gas pipeline 2 is provided with a dust sweeping mechanism 4, and the outer side of the flue gas pipeline 2 is provided with a dust blowing mechanism 5 for introducing high-pressure gas into the flue gas pipeline 2. The lower end of the flue gas pipeline 2 is provided with a horizontal pipe section which horizontally extends to the smoke outlet of the flue gas quenching tower 1, the ash sweeping mechanism 4 and the ash blowing mechanism 5 are arranged on the horizontal pipe section, and the ash blowing mechanism 5 is arranged below the horizontal pipe section.

As shown in fig. 2 and fig. 3, the ash sweeping mechanism 4 includes an ash sweeping head 401 disposed in the flue gas duct 2 and a driving component for driving the ash sweeping head 401 to swing in the flue gas duct 2 in the circumferential direction, the driving component includes a swing rod 402 and a telescopic driving element 404, one end of the swing rod 402 extends into the flue gas duct 2 and is connected with the ash sweeping head 401, the other end is located at the outer side of the flue gas duct 2 and is connected with the telescopic driving element 404, and the middle part of the swing rod 402 is hinged on the duct wall of the flue gas duct 2. The telescopic driving element 404 is a cylinder fixed on the outer side of the flue gas pipeline 2, and a push rod of the cylinder is hinged with the swing rod 402.

Be provided with outside convex arc installation cavity 201 on flue gas pipeline 2, be provided with rotor plate 403 in the installation cavity 201, rotor plate 403 installs in installation cavity 201 through the pivot, swing arm 402 rigid coupling is on rotor plate 403, be provided with the gasket between the both sides of rotor plate 403 and the inner wall of installation cavity 201, prevent that the flue gas from leaking the outside in flue gas pipeline 2.

The oscillating rod 402 is of a telescopic structure and comprises a fixed oscillating rod 4021 and a movable oscillating rod 4022 which are mutually sleeved, the fixed oscillating rod 4021 is fixedly connected to the rotating plate 403, the dust sweeping head 401 is connected to the movable oscillating rod 4022, an elastic piece 4023 is arranged between the fixed oscillating rod 4021 and the movable oscillating rod 4022, the elastic piece 4023 is a spring, the dust sweeping head 401 is enabled to be always in contact with the inner wall of the flue gas pipeline 2 in the swinging process under the elastic force action of the elastic piece 4023, certain pressure is generated on the flue gas pipeline 2, and dust deposition attached to the pipe wall is convenient to scrape.

The dust sweeping head 401 is of a flat structure, the front end and the rear end of the dust sweeping head 401 are provided with rollers 405 which are used for abutting against the inner wall of the flue gas pipeline 2, and the front end and the rear end of the dust sweeping head 401 refer to the front end and the rear end along the flow direction of flue gas. The elastic force of the elastic member 4023 is supported on the inner wall of the flue gas pipeline 2 through the roller 405, so that the ash sweeping head 401 is prevented from contacting with the inner wall of the flue gas pipeline 2 to cause abrasion to the flue gas pipeline 2. Meanwhile, rubber scrapers 406 are arranged on two sides of the dust sweeping head 401, and the rubber scrapers 406 are fully contacted with the inner wall of the flue gas pipeline 2, so that dust deposited on the pipe wall is scraped.

As shown in fig. 1, 4 and 5, the soot blowing mechanism 5 includes a soot blowing pipe 501 and a connecting pipe 503, the soot blowing pipe 501 is fixed outside the flue gas duct 2, the connecting pipe 503 is connected between the soot blowing pipe 501 and the flue gas quenching tower 1, a compressed air control valve 502 is connected between the soot blowing pipe 501 and the connecting pipe 503, and a fan 505 is provided on the connecting pipe 503.

A plurality of mounting holes are distributed on the soot blowing pipe 501 at intervals, the soot blowing pipe 501 is communicated with the flue gas pipeline 2 through the mounting holes, and soot blowing assemblies 504 are arranged at the mounting holes. The sootblowing assembly 504 includes a guide tube 5041 and a nozzle 5042 disposed within the guide tube 5041, the nozzle 5042 is movably disposed within the guide tube 5041, and the guide tube 5041 is provided with a movement mechanism for driving the nozzle 5042 into and out of the flue gas duct 2.

The moving mechanism comprises a guide pipe 5041, one end of the guide pipe 5041 is connected to the mounting hole, the other end of the guide pipe 5041 is located on the soot blowing pipe 501, the soot blowing pipe 501 is communicated with the flue gas pipeline 2 through the guide pipe 5041, the nozzle 5042 is movably arranged in the guide pipe 5041, and a driving assembly for driving the nozzle 5042 to move is arranged on the guide pipe 5041.

The driving assembly includes a rack 5044 and a gear 5045 engaged with the rack 5044, the rack 5044 is disposed within the guide tube 5041 and fixedly connected to the nozzle 5042, and the gear 5045 is disposed outside the guide tube 5041 and rotated by a motor.

The pipe wall of the guide pipe 5041 is provided with a sliding groove, the rack 5044 is movably arranged in the sliding groove, and two ends of the sliding groove are provided with limiting ends for limiting the moving position of the rack 5044.

A spherical joint 5043 is arranged in the mounting hole, the end part of the guide pipe 5041 is connected to the spherical joint 5043, and an angle adjusting mechanism is arranged between the guide pipe 5041 and the soot blowing pipe 501.

The angle adjusting mechanism comprises a movable rod 5047 and a transmission rod 5046, the movable rod 5047 is movably arranged on the pipe wall of the soot blowing pipe 501 and extends along the length direction of the soot blowing pipe 501, one end of the transmission rod 5046 is hinged on the movable rod 5047, the other end of the transmission rod 5046 is hinged on the guide pipe 5041, a driving element for driving the movable rod 5047 to move is arranged at the end part of the movable rod 5047, and the driving element can adopt an air cylinder, an oil cylinder or an electric push rod and the like. The driving rod 5046 is a telescopic structure, that is, two rods are sleeved with each other, and when the movable rod 5047 moves along the length direction of the soot blowing pipe 501, the driving rod 5046 drives the guide pipe 5041 to swing back and forth.

A stopper for blocking the nozzle 5042 in the retraction guide tube 5041 is provided in the guide tube 5041, and a vent hole is provided in a tube wall of the guide tube 5041 located between the stopper and the nozzle 5042.

In the non-operating state, the nozzle 5042 is moved to the rear end of the guide tube 5041, the nozzle 5042 is located inside the lance tube 501, the outer wall of the nozzle 5042 blocks the vent 5049 of the guide tube 5041, and the plug 5048 at the end of the guide tube 5041 blocks the air vent of the nozzle 5042, so that the flue gas does not enter the lance tube 501 through the nozzle 5042 during normal operation of the flue gas duct 2, thereby preventing soot from accumulating in the lance tube 501.

In operation, the nozzle 5042 is moved to the forward end of the guide tube 5041, with the nozzle 5042 partially within the flue gas duct 2. Meanwhile, the fan 505 operates, the flue gas in the flue gas quenching tower 1 passes through the fan 505 to form high-pressure air flow, the high-pressure air flow enters the soot blowing pipe 501, and the high-pressure air flow enters the flue gas pipeline 2 through the vent 5049 and the nozzle 5042 to perform soot blowing action; meanwhile, the movable rod 5047 moves to drive the guide pipe 5041 to swing back and forth, so that the flue gas pipeline 2 between two adjacent groups of soot blowing assemblies 504 is subjected to soot blowing at different angles, the soot blowing range is enlarged, and soot blowing dead angles are reduced.

Claims

1. The utility model provides a flue flying dust cleaning device, includes flue gas quench tower (1), sack cleaner (3) and flue gas pipeline (2), flue gas pipeline (2) are vertical setting, the upper end of flue gas pipeline (2) is connected at the inlet flue of sack cleaner (3), and the exhaust port of flue gas quench tower (1), its characterized in that are connected to its lower extreme: the lower extreme of flue gas pipeline (2) is provided with sweeps grey mechanism (4), sweep grey mechanism (4) including setting up sweeping grey head (401) and drive in flue gas pipeline (2) sweep grey head (401) in flue gas pipeline (2) peripheral wobbling drive assembly, the outside of flue gas pipeline (2) sets up soot blower mechanism (5) that are used for letting in high-pressure gas to flue gas pipeline (2).

2. The flue fly ash cleaning device of claim 1, wherein: the lower end of the flue gas pipeline (2) is provided with a horizontal pipe section which horizontally extends to a smoke outlet of the flue gas quenching tower (1), the ash sweeping mechanism (4) and the ash blowing mechanism (5) are arranged on the horizontal pipe section, and the ash blowing mechanism (5) is arranged below the horizontal pipe section.

3. A flue fly ash cleaning device according to claim 1 or 2, wherein: the driving assembly comprises a swing rod (402) and a telescopic driving element (404), one end of the swing rod (402) extends into the flue gas pipeline (2) and is connected with the ash sweeping head (401), the other end of the swing rod is located on the outer side of the flue gas pipeline (2) and is connected with the telescopic driving element (404), and the middle part of the swing rod (402) is hinged to the pipe wall of the flue gas pipeline (2).

4. A flue fly ash cleaning device according to claim 3, wherein: be provided with outside convex arc installation cavity (201) on flue gas pipeline (2), be provided with rotor plate (403) in installation cavity (201), rotor plate (403) are installed in installation cavity (201) through the pivot, swinging arms (402) rigid coupling is on rotor plate (403), be provided with the gasket between the both sides of rotor plate (403) and the inner wall of installation cavity (201).

5. The flue fly ash cleaning device of claim 4, wherein: the swing rod (402) is of a telescopic structure and comprises a fixed swing rod (4021) and a movable swing rod (4022) which are sleeved with each other, the fixed swing rod (4021) is fixedly connected to the rotating plate (403), the dust sweeping head (401) is connected to the movable swing rod (4022), and an elastic piece (4023) is arranged between the fixed swing rod (4021) and the movable swing rod (4022).

6. The flue fly ash cleaning device of claim 5, wherein: sweep grey head (401) and be the flat structure, sweep around grey head (401) both ends and be provided with and be used for leaning on gyro wheel (405) on the inner wall of flue gas pipeline (2).

7. A flue fly ash cleaning device according to claim 1 or 2, wherein: soot blowing mechanism (5) are including blowing pipe (501) and connecting pipe (503), the outside at flue gas pipeline (2) is fixed in blowing pipe (501), connecting pipe (503) are connected between blowing pipe (501) and flue gas quench tower (1), be provided with fan (505) on connecting pipe (503), interval distribution has a plurality of mounting holes on blowing pipe (501), blowing pipe (501) are through mounting hole and flue gas pipeline (2) intercommunication, mounting hole department is provided with soot blowing component (504).

8. The flue fly ash cleaning device of claim 7, wherein: the soot blowing assembly (504) comprises a guide pipe (5041) and a nozzle (5042) arranged in the guide pipe (5041), the nozzle (5042) is movably arranged in the guide pipe (5041), and a moving mechanism for driving the nozzle (5042) to enter and exit the flue gas pipeline (2) is arranged on the guide pipe (5041).

9. The flue fly ash cleaning device of claim 8, wherein: be provided with ball joint (5043) in the mounting hole, the end connection of stand pipe (5041) is on ball joint (5043), be provided with angle adjusting mechanism between stand pipe (5041) and soot blowing pipe (501).

10. The flue fly ash cleaning device of claim 8, wherein: a plug used for plugging a nozzle (5042) in the retraction guide pipe (5041) is arranged in the guide pipe (5041), and a vent hole is formed in the pipe wall of the guide pipe (5041) between the plug and the nozzle (5042).