CN211600752U

CN211600752U - Dustproof flue

Info

Publication number: CN211600752U
Application number: CN201922361063.0U
Authority: CN
Inventors: 王腾飞; 张双麟; 郑毅
Original assignee: Datang Yuncheng Power Generation Co Ltd
Current assignee: Datang Yuncheng Power Generation Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-29
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a dustproof flue, including the flue body, the flue body is hollow cylinder structure, the inside both ends of flue body are fixed with the support, it is connected with reciprocal lead screw to rotate through the bearing on the support, the fixed second spacing ring that has cup jointed in both ends of reciprocal lead screw, the thread bush has been cup jointed through the screw thread on the reciprocal lead screw, the side welding of thread bush has the connecting rod, the one end welding that the thread bush was kept away from to the connecting rod has the scraper blade, the fixed first bevel gear that has cup jointed on the reciprocal lead screw. The utility model has the advantages that the motor, the first bevel gear, the second bevel gear, the third bevel gear, the reciprocating screw rod, the thread bush and the scraper are arranged, so that the cleaning of the flue body is convenient, and the smoke discharging efficiency of the device is improved; through setting up mounting panel and spring, effectively reduce the vibrations of device, improve the stability of using.

Description

Dustproof flue

Technical Field

The utility model relates to a boiler technical field especially relates to a dustproof flue.

Background

The heat supply mode of the boiler is derived from coal combustion, smoke generated by coal combustion is seriously polluted and can be discharged after being processed, and the smoke generated by combustion is discharged into a processing system through a special flue.

The inside cleaning device of clearance lacks in current flue, and the impurity of the inside of flue is difficult to the clearance, and long-time accumulation very easily leads to flue exhaust system to break down, influences the efficiency of discharging fume, uses to exist not enoughly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dustproof flue.

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

a dustproof flue comprises a flue body, wherein the flue body is of a hollow cylindrical structure, two ends inside the flue body are fixedly provided with a support, the support is rotatably connected with a reciprocating screw rod through a bearing, two ends of the reciprocating screw rod are fixedly sleeved with second limiting rings, a thread sleeve is sleeved on the reciprocating screw rod through threads, the side face of the thread sleeve is welded with a connecting rod, one end, away from the thread sleeve, of the connecting rod is welded with a scraper, the reciprocating screw rod is fixedly sleeved with a first bevel gear, the lower surface of the flue body is provided with a filter screen, a bottom push rod bolt of the flue body is fixedly provided with an ash bucket, the bottom of the ash bucket penetrates through a slag discharge pipe, the filter screen is rotatably connected with a rotating shaft through a bearing, the bottom of the rotating shaft is provided with a hydraulic cylinder, the bottom of a piston rod of the hydraulic cylinder is welded with, the top of pivot is fixed to be cup jointed second bevel gear, the top of flue body is provided with the motor, the output shaft of motor inserts the inside of flue body and is connected with third bevel gear.

Preferably, the two ends of the flue body are fixedly provided with mounting plates through bolts, the mounting plates are of circular ring structures, and springs are arranged between the mounting plates and the flue body.

Preferably, the screw rod is inserted into the slag discharge pipe and is movably connected with the slag discharge pipe.

Preferably, the reciprocating screw rod is fixedly sleeved with two first limiting rings, and the two first limiting rings are respectively positioned on two sides of the support.

Preferably, the threaded sleeve is positioned between the first limiting ring and the second limiting ring, and the first bevel gear is positioned between the two second limiting rings.

Preferably, the first bevel gear is in meshing transmission with the second bevel gear, and the first bevel gear is in meshing transmission with the third bevel gear.

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

1. when the utility model is used, the inner wall of the flue body is contaminated with dust, when the flue body is cleaned, firstly, the motor is started, the motor drives the third bevel gear, the third bevel gear drives the first bevel gear through meshing transmission, the first bevel gear drives the reciprocating screw rod, the reciprocating screw rod drives the thread sleeve through thread transmission, the thread sleeve drives the connecting rod, the connecting rod drives the scraper blade, the scraper blade slides on the inner wall of the flue body, the dust and the flue body fall into the filter screen and then slide by the scraper blade, the dust falls into the ash hopper, the hydraulic cylinder is started, the hydraulic cylinder drives the sealing plate, the sealing plate is upwards separated from the slag discharge pipe, the first bevel gear drives the second bevel gear through meshing transmission, the second bevel gear drives the rotating shaft, the rotating shaft drives the hydraulic cylinder, the dust is extruded out through the screw, the cleaning effect is good, the cleaning of the flue body is convenient, and the smoke exhaust efficiency of the device is improved;

2. the utility model discloses during well device installation, fix the flue body on the wall through the mounting panel, through the spring that sets up, effectively reduce the vibrations of device, improve the stability of using.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a dustproof flue according to the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of a dustproof flue according to the present invention;

fig. 3 is a front view of a second embodiment of the dustproof flue according to the present invention.

In the figure: the device comprises a flue body 1, a support 2, a reciprocating screw rod 3, a first limiting ring 4, a first bevel gear 5, a second limiting ring 6, a threaded sleeve 7, a connecting rod 8, a scraper 9, a filter screen 10, an ash hopper 11, a slag discharge port 12, a rotating shaft 13, a hydraulic cylinder 14, a sealing plate 15, a screw rod 16, a second bevel gear 17, a motor 18, a third bevel gear 19, a mounting plate 20 and a spring 21.

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.

The first embodiment is as follows:

referring to fig. 1, a dustproof flue, which comprises a flue body 1, wherein the flue body 1 is a hollow cylinder structure, two ends inside the flue body 1 are fixed with a support 2, the support 2 is rotatably connected with a reciprocating screw rod 3 through a bearing, two ends of the reciprocating screw rod 3 are fixedly sleeved with a second limit ring 6, the reciprocating screw rod 3 is sleeved with a threaded sleeve 7 through threads, the side surface of the threaded sleeve 7 is welded with a connecting rod 8, one end of the connecting rod 8, which is far away from the threaded sleeve 7, is welded with a scraper 9, the reciprocating screw rod 3 is fixedly sleeved with a first bevel gear 5, the lower surface of the flue body 1 is provided with a filter screen 10, a bottom push rod bolt of the flue body 1 is fixed with an ash bucket 11, the bottom of the ash bucket 11 is penetrated with a slag discharge pipe 12, the filter screen 10 is rotatably connected with a rotating shaft 13 through a bearing, the bottom, the bottom of the sealing plate 15 is welded with a screw 16, the top of the rotating shaft 13 is fixedly sleeved with a second bevel gear 17, the top of the flue body 1 is provided with a motor 18, and an output shaft of the motor 18 is inserted into the flue body 1 and is connected with a third bevel gear 19.

Wherein, the screw rod 16 is inserted into the slag discharging pipe 12 and is movably connected with the slag discharging pipe 12.

Wherein, fixed cup joint first spacing ring 4 on the reciprocal lead screw 3, the quantity of first spacing ring 4 is two, and two first spacing rings 4 are located the both sides of support 2 respectively.

The thread bush 7 is located between the first limiting ring 4 and the second limiting ring 6, and the first bevel gear 5 is located between the two second limiting rings 6.

Wherein, the first bevel gear 5 is in mesh transmission with the second bevel gear 17, and the first bevel gear 5 is in mesh transmission with the third bevel gear 19.

Example two:

referring to fig. 2-3, a dustproof flue comprises a flue body 1, the flue body 1 is a hollow cylinder structure, two ends inside the flue body 1 are fixed with a support 2, the support 2 is rotatably connected with a reciprocating screw rod 3 through a bearing, two ends of the reciprocating screw rod 3 are fixedly sleeved with a second limit ring 6, the reciprocating screw rod 3 is sleeved with a thread sleeve 7 through threads, the side surface of the thread sleeve 7 is welded with a connecting rod 8, one end of the connecting rod 8, far away from the thread sleeve 7, is welded with a scraper 9, the reciprocating screw rod 3 is fixedly sleeved with a first bevel gear 5, the lower surface of the flue body 1 is provided with a filter screen 10, a bottom push rod bolt of the flue body 1 is fixed with an ash bucket 11, the bottom of the ash bucket 11 is penetrated with a slag discharge pipe 12, the filter screen 10 is rotatably connected with a rotating shaft 13 through a bearing, the bottom of the rotating shaft 13, the bottom of the sealing plate 15 is welded with a screw 16, the top of the rotating shaft 13 is fixedly sleeved with a second bevel gear 17, the top of the flue body 1 is provided with a motor 18, and an output shaft of the motor 18 is inserted into the flue body 1 and is connected with a third bevel gear 19.

Wherein, the both ends of flue body 1 are fixed with mounting panel 20 through the bolt, and mounting panel 20 is the ring form structure, is provided with spring 21 between mounting panel 20 and the flue body 1.

The working principle is as follows: when the flue body 1 is used, the inner wall is contaminated with dust, when the flue body is cleaned, firstly, the motor 18 is started, the motor 18 drives the third bevel gear 19, the third bevel gear 19 drives the first bevel gear 5 through meshing transmission, the first bevel gear 5 drives the reciprocating screw rod 3, the reciprocating screw rod 3 drives the threaded sleeve 7 through threaded transmission, the threaded sleeve 7 drives the connecting rod 8, the connecting rod 8 drives the scraper 9, the scraper 9 slides on the inner wall of the flue body 1, the dust and the flue body 1 fall into the filter screen 10 and then slide by the scraper 9, the dust falls into the dust hopper 11, the hydraulic cylinder 14 is started, the hydraulic cylinder 14 drives the sealing plate 15, the sealing plate 15 is upwards separated from the slag discharge pipe 12, the first bevel gear 5 drives the second bevel gear 17 through meshing transmission, the second bevel gear 17 drives the rotating shaft 13, the rotating shaft 13 drives the hydraulic cylinder 14, the hydraulic cylinder 14 drives the sealing plate 15, the sealing, the cleaning effect is good, the cleaning of the flue body 1 is convenient, and the smoke exhaust efficiency of the device is improved;

when the device is installed, the flue body 1 is fixed on a wall through the installation plate 20, and the vibration of the device is effectively reduced through the arranged spring 21, so that the use stability is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The dustproof flue comprises a flue body (1) and is characterized in that the flue body (1) is of a hollow cylinder structure, supports (2) are fixed at two ends of the inside of the flue body (1), reciprocating lead screws (3) are rotatably connected onto the supports (2) through bearings, second limiting rings (6) are fixedly sleeved at two ends of the reciprocating lead screws (3), threaded sleeves (7) are sleeved on the reciprocating lead screws (3) through threads, connecting rods (8) are welded on the side faces of the threaded sleeves (7), scraping plates (9) are welded at one ends, away from the threaded sleeves (7), of the connecting rods (8), first bevel gears (5) are fixedly sleeved on the reciprocating lead screws (3), filter screens (10) are installed on the lower surface of the flue body (1), and ash buckets (11) are fixed on bottom push rod bolts of the flue body (1), the bottom of ash bucket (11) is run through and is had slag pipe (12), it is connected with pivot (13) to rotate through the bearing on filter screen (10), pneumatic cylinder (14) are installed to the bottom of pivot (13), the bottom welding of the piston rod of pneumatic cylinder (14) has closing plate (15), the bottom welding of closing plate (15) has screw rod (16), the fixed cover in top of pivot (13) has second bevel gear (17), the top of flue body (1) is provided with motor (18), the output shaft of motor (18) inserts the inside of flue body (1) and is connected with third bevel gear (19).

2. The dustproof flue according to claim 1, wherein the two ends of the flue body (1) are fixed with mounting plates (20) through bolts, the mounting plates (20) are of a circular ring structure, and a spring (21) is arranged between the mounting plates (20) and the flue body (1).

3. A dustproof flue according to claim 1, characterized in that the screw (16) is inserted into the slag discharge pipe (12) and is movably connected with the slag discharge pipe (12).

4. The dustproof flue according to claim 1, wherein the reciprocating screw rod (3) is fixedly sleeved with two first limiting rings (4), and the two first limiting rings (4) are respectively positioned at two sides of the bracket (2).

5. A dust chimney according to claim 1, characterised in that the threaded sleeve (7) is located between a first stop collar (4) and a second stop collar (6), the first bevel gear (5) being located between two second stop collars (6).

6. The dustproof flue according to claim 1, wherein the first bevel gear (5) is in meshing transmission with the second bevel gear (17), and the first bevel gear (5) is in meshing transmission with the third bevel gear (19).