CN214698520U

CN214698520U - Air particle dust fall processing apparatus convenient to draught fan uses

Info

Publication number: CN214698520U
Application number: CN202120843608.6U
Authority: CN
Inventors: 孙智慧; 郭枫; 于欢欢; 张岩
Original assignee: Jiutai Power Plant of Huaneng Jilin Power Generation Co Ltd
Current assignee: Jiutai Power Plant of Huaneng Jilin Power Generation Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-12
Anticipated expiration: 2031-04-23

Abstract

The utility model aims at solving the problem that the draught fan produces the raise dust, disclose an air particle dust fall processing apparatus convenient to draught fan uses, including the cover case, second end cover and first end cover are equipped with respectively to the cover case left and right sides, first end cover middle part cover is equipped with the snap ring, the inside fixed cover of second end cover is equipped with the breather pipe, the surface evenly installs the installation pole about the breather pipe, installation pole outer end fixed mounting has the motor, the motor mid-mounting has the gear, the inside baffle of evenly installing of breather pipe, the cover is inlayed at the baffle middle part has the filter screen, the even cover in surface has the slip pipe about the breather pipe, the welding of slip pipe side has the rack, the collecting box is evenly installed to cover case surface. The utility model discloses an air-out position at the draught fan carries out the dust fall and handles, and then can greatly improve the environment in boiler workshop, builds dustless or less environment for the workman in workshop, environmental protection more.

Description

Air particle dust fall processing apparatus convenient to draught fan uses

Technical Field

The utility model relates to a draught fan field especially relates to an air granule dust fall processing apparatus convenient to draught fan uses.

Background

The induced draft fan is a device which generates negative pressure through the rotation of an impeller and then extracts air from a system (device), and is generally installed at the tail end of a boiler and used for extracting hot flue gas in a hearth. In daily life, ventilators are generally divided into induced draft fans (used under negative pressure) and blowers (used under positive pressure) according to different use modes of positive pressure and negative pressure. Induced draft fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. The working principle of the induced draft fan is basically the same as that of a turbine compressor, but the pressure change is not large due to low gas flow rate, and the change of the specific volume of the gas is generally not required to be considered, namely the gas is treated as incompressible fluid.

The draught fan switch-on is in the position of boiler, when extracting hot flue gas, can produce more dust, causes the influence to the personnel in the boiler workshop, though wear the gauze mask, also can inhale the dust easily internally, holds at the air-out of draught fan, is difficult for purifying the dust fall to exhaust air to environmental protection inadequately, consequently, the dust fall problem of draught fan is solved to the air granule dust fall processing apparatus of the draught fan use of being convenient for of urgent need design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of prior art, provide an air granule dust fall processing apparatus convenient to draught fan uses.

The utility model discloses a realize through following technical scheme:

an air particle dust fall processing device convenient for a draught fan comprises a cover box, wherein a second end cover and a first end cover are respectively arranged on the left side and the right side of the cover box, a snap ring is sleeved in the middle of the first end cover, a vent pipe is fixedly sleeved in the second end cover, mounting rods are uniformly mounted on the upper surface and the lower surface of the vent pipe, a motor is fixedly mounted at the outer end of the mounting rod, a gear is mounted in the middle of the motor, a baffle is uniformly mounted in the vent pipe, a filter screen is inlaid in the middle of the baffle, a sliding pipe is uniformly sleeved on the upper surface and the lower surface of the vent pipe, a rack is welded on the side surface of the sliding pipe, a collecting box is uniformly mounted on the outer surface of the cover box, a connecting pipe is fixedly connected on the side surface of the collecting box, a guide rod is uniformly mounted on the inner wall of the cover box, a spiral spring is sleeved outside the guide rod, a sliding ring is fixedly connected with the outer end of the spiral spring, and a connecting frame is fixedly connected on the side surface of the sliding ring, the utility model discloses a cover case, including the link, cover case inner wall, flexible gasbag, connecting frame outer end fixed mounting has the box of ventilating, fixedly connected with flexible gasbag between box of ventilating and the cover incasement wall, the flexible gasbag surface is evenly opened there is the through-hole, flexible gasbag and the indirect intercommunication of connecting pipe have first pipe, the indirect intercommunication of box of ventilating and slip pipe has the second pipe.

As the utility model discloses a preferred technical scheme, flexible gasbag is made for rubber materials and communicates with each other with the box of ventilating with first pipe, and the box of ventilating is hollow cuboid structure and communicates with each other with the second pipe.

As the utility model discloses a preferred technical scheme, guide arm and sliding ring sliding fit, the guide arm is the square pole, and the sliding ring is the square ring.

As the preferred technical scheme of the utility model, the gear and rack meshing cooperation.

As the preferred technical scheme of the utility model, be provided with the check valve in the flexible gasbag, make it admit air from the second pipe and give vent to anger from first pipe.

As the utility model discloses a preferred technical scheme, the breather pipe lateral wall is opened have with the gliding groove of slide pipe, and the slide pipe surface is evenly opened there is the through-hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a control of motor, can make the slide pipe slide repeatedly, the side is cleared up repeatedly to the filter screen, in addition also be convenient for relapse the extrusion to flexible gasbag, combine the through-hole on the slide pipe, can collect the dust that draught fan air-out end produced, through set up the check valve in flexible gasbag, thereby prevent the dust refluence, just so can fully absorb exhaust flue gas dust, through setting up a plurality of filter screens, also further realize carrying out filtration purification to the dust in the flue gas of draught fan suction, carry out multiple processing dust fall, through setting up the multiunit motor, just can carry out the dust fall to the dust in the flue gas of draught fan suction, improve the dust fall effect, through setting up coil spring, when the slide pipe promotes the box of ventilating, conveniently slide repeatedly, so that realize the dust fall repeatedly to the exhaust flue gas. The utility model discloses an air-out position at the draught fan carries out the dust fall and handles, and then can greatly improve the environment in boiler workshop, builds dustless or less environment for the workman in workshop, environmental protection more.

Drawings

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

Fig. 2 is the utility model discloses with draught fan complex sketch map.

In the figure: 1. the device comprises a clamping ring, 2, a first end cover, 3, a cover box, 4, a through hole, 5, a telescopic air bag, 6, a first guide pipe, 7, a collecting box, 8, a connecting pipe, 9, a spiral spring, 10, a guide rod, 11, a sliding ring, 12, a connecting frame, 13, a ventilation box, 14, a second guide pipe, 15, a sliding pipe, 16, a rack, 17, a gear, 18, a motor, 19, an installation rod, 20, a ventilation pipe, 21, a baffle, 22, a filter screen, 23 and a second end cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

an air particle dust fall processing device convenient for a draught fan comprises a cover box 3, wherein a second end cover 23 and a first end cover 2 are respectively arranged at the left side and the right side of the cover box 3, a snap ring 1 is sleeved at the middle part of the first end cover 2, a vent pipe 20 is fixedly sleeved inside the second end cover 23, an installation rod 19 is uniformly installed on the upper surface and the lower surface of the vent pipe 20, a motor 18 is fixedly installed at the outer end of the installation rod 19, a gear 17 is installed at the middle part of the motor 18, a baffle 21 is uniformly installed inside the vent pipe 20, a filter screen 22 is sleeved at the middle part of the baffle 21, a sliding pipe 15 is uniformly sleeved on the upper surface and the lower surface of the vent pipe 20, a rack 16 is welded on the side surface of the sliding pipe 15, a collection box 7 is uniformly installed on the outer surface of the cover box 3, a connecting pipe 8 is fixedly connected to the side surface of the collection box 7, a guide rod 10 is uniformly installed on the inner wall of the cover box 3, a spiral spring 9 is sleeved outside the guide rod 10, the outer end of the spiral spring 9 is fixedly connected with a sliding ring 11, the side face of the sliding ring 11 is fixedly connected with a connecting frame 12, the outer end of the connecting frame 12 is fixedly provided with an air ventilation box 13, a telescopic air bag 5 is fixedly connected between the air ventilation box 13 and the inner wall of the cover box 3, the surface of the telescopic air bag 5 is uniformly provided with through holes 4, a first guide pipe 6 is communicated between the telescopic air bag 5 and a connecting pipe 8, and a second guide pipe 14 is communicated between the air ventilation box 13 and a sliding pipe 15.

The telescopic air bag 5 is made of rubber materials and is communicated with the first conduit 6 and the ventilation box 13, and the ventilation box 13 is of a hollow cuboid structure and is communicated with the second conduit 14.

The guide rod 10 is in sliding fit with the sliding ring 11, the guide rod 10 is a square rod, and the sliding ring 11 is a square ring.

The gear 17 is engaged with the rack 16.

A one-way valve is arranged in the telescopic air bag 5, so that air is fed from the second conduit 14 and is discharged from the first conduit 6.

The side wall of the vent pipe 20 is provided with a groove which slides with the slide pipe 15, and the surface of the slide pipe 15 is uniformly provided with through holes.

The working principle is as follows: the draught fan directly extracts the flue gas in the boiler for emission, dust is generated, in order to reduce dust, the vent pipe 20 is connected at the air outlet end of the draught fan, the exhaust pipeline is connected at the other end of the vent pipe 20 and penetrates into the snap ring 1, the switch of the motor 18 is turned on, the motor 18 rotates forwards and backwards, at ordinary times, the flue gas is filtered through the multi-layer filter screen 22, meanwhile, the gear 17 is meshed with the rack 16 to drive the sliding pipe 15 to slide repeatedly, the sliding pipe 15 scrapes the dust on the filter screen 22 to prevent the filter screen 22 from being blocked, meanwhile, the sliding pipe 15 extrudes the vent box 13 to further compress the telescopic air bag 5, the dust in the flue gas is sucked into the telescopic air bag 5 through the through hole on the sliding pipe 15, and the dust collected in the telescopic air bag 5 is filled into the collection box 7 due to the arrangement of the one-way valve of the telescopic air bag 5, repeated operation is carried out, dust in the flue gas is fully collected, and then the discharged flue gas is more environment-friendly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air particle dust fall processing apparatus convenient to draught fan uses, includes cover case (3), its characterized in that: the cover box is characterized in that a second end cover (23) and a first end cover (2) are respectively arranged on the left side and the right side of the cover box (3), a snap ring (1) is sleeved at the middle part of the first end cover (2), a ventilating pipe (20) is fixedly sleeved inside the second end cover (23), an installation rod (19) is uniformly installed on the upper surface and the lower surface of the ventilating pipe (20), a motor (18) is fixedly installed at the outer end of the installation rod (19), a gear (17) is installed at the middle part of the motor (18), a baffle (21) is uniformly installed inside the ventilating pipe (20), a filter screen (22) is embedded in the middle part of the baffle (21), a sliding pipe (15) is uniformly sleeved on the upper surface and the lower surface of the ventilating pipe (20), a rack (16) is welded on the side surface of the sliding pipe (15), a collecting box (7) is uniformly installed on the outer surface of the cover box (3), and a connecting pipe (8) is fixedly connected to the side surface of the collecting box (7), guide rod (10) are evenly installed to cover case (3) inner wall, coil spring (9) have been overlapped to guide rod (10), coil spring (9) outer end fixedly connected with sliding ring (11), sliding ring (11) side fixedly connected with link (12), link (12) outer end fixed mounting has ventilation box (13), fixedly connected with flexible gasbag (5) between ventilation box (13) and cover case (3) inner wall, flexible gasbag (5) surface is evenly opened has through-hole (4), it has first pipe (6) to lead to between flexible gasbag (5) and connecting pipe (8), it has second pipe (14) to lead to between ventilation box (13) and sliding tube (15).

2. The air particle dust fall processing apparatus convenient to draught fan use of claim 1, characterized in that: the telescopic air bag (5) is made of rubber materials and is communicated with the first conduit (6) and the ventilation box (13), and the ventilation box (13) is of a hollow cuboid structure and is communicated with the second conduit (14).

3. The air particle dust fall processing apparatus convenient to draught fan use of claim 1, characterized in that: the guide rod (10) is in sliding fit with the sliding ring (11), the guide rod (10) is a square rod, and the sliding ring (11) is a square ring.

4. The air particle dust fall processing apparatus convenient to draught fan use of claim 1, characterized in that: the gear (17) is meshed and matched with the rack (16).

5. The air particle dust fall processing apparatus convenient to draught fan use of claim 1, characterized in that: a one-way valve is arranged in the telescopic air bag (5) to enable the telescopic air bag to enter air from the second conduit (14) and to exit air from the first conduit (6).

6. The air particle dust fall processing apparatus convenient to draught fan use of claim 1, characterized in that: the side wall of the vent pipe (20) is provided with a groove which slides with the sliding pipe (15), and the surface of the sliding pipe (15) is uniformly provided with through holes.