CN211551658U

CN211551658U - Waste heat recovery boiler with dust removal function

Info

Publication number: CN211551658U
Application number: CN201922266787.7U
Authority: CN
Inventors: 马殿军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-22
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a waste heat recovery boiler with dust removal function, including furnace body and fixed plate, fixedly connected with intake pipe on the lateral wall of furnace body. The utility model discloses a be provided with a plurality of filter screens for the flue gas successive layer passes through the filter screen, and the net of filter screen reduces the setting gradually, can be continuous clear away the dust, makes dust removal effect good, convenient operation; through being provided with the link plate, drive the main shaft through the motor and rotate for the scraper blade is scraped on the both sides lateral wall of filter screen, thereby clears away the dust that the filter screen separation got off and falls to the side shell inner chamber, avoids the dust to block up the filter screen. The dust removal effect is improved; through being provided with helical blade, through the epaxial helical blade rotation of motor drive pivot, can be so that the dust of gathering at side shell inner chamber is discharged from the discharging pipe under helical blade's promotion, be convenient for to the clearance operation of dust. The utility model has the advantages of convenient dust removal and easy cleaning.

Description

Waste heat recovery boiler with dust removal function

Technical Field

The utility model relates to a dust removal technical field specifically is a waste heat recovery boiler with dust removal function.

Background

Can produce a large amount of high heat flue gas many times at industrial production's in-process, if directly discharge these flue gases, not only can be very big influence ecological environment, but also can cause a large amount of energy extravagant, consequently people adopt waste heat recovery boiler to carry out recycle to the heat in these flue gases, reduce energy consumption. When the waste heat in the flue gas is recovered, the dust in the flue gas can be absorbed into the boiler together, and the dust is easy to cause blockage and damage of the boiler and is not beneficial to the use of the boiler after the waste heat in the flue gas is recovered, which is a great disadvantage in the prior art; still exactly, the waste heat recovery boiler of prior art needs regular to its clearance operation just can guarantee the normal clear going on of waste heat recovery boiler, but leads to hardly to its clear thoroughly because volume or other reasons, and the dust can be gradual gathering like this, and the same very easily causes the damage of boiler, is unfavorable for waste heat recovery boiler's use, and this is another not enough of prior art. Based on above reason, the utility model provides a waste heat recovery boiler with dust removal function solves these not enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's easy jam and the inconvenient defect of clearance, provide the waste heat recovery boiler with dust removal function. The waste heat recovery boiler with the dust removal function has the characteristics of convenience in dust removal, convenience in cleaning and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the waste heat recovery boiler with the dust removal function comprises a boiler body, wherein an air inlet pipe is fixedly connected to the side wall of the boiler body, a plurality of fixing plates are uniformly and fixedly connected to the side wall of the inner cavity of the air inlet pipe, filter screens are fixedly connected to the upper side wall and the lower side wall of each fixing plate, one sides, far away from the fixing plates, of the filter screens are fixedly connected to the inner side wall of the air inlet pipe, a main shaft is arranged in the inner cavity of the air inlet pipe and penetrates through the centers of the side walls of the fixing plates, scrapers are movably connected between the main shaft and the fixing plates, the main shaft is fixedly connected to the side walls, located on the two sides of the filter screens, of the main shaft, one end, close to the boiler body, of the main shaft is fixedly connected with a fan blade, the other end of the main shaft is fixedly connected, the rotor of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft, far away from the motor, penetrates through the side shell and is movably connected with a partition plate, the partition plate is fixedly connected with the inner side wall of the side shell, the rotating shaft is positioned at one end of the inner cavity of the side shell, extends out of the partition plate and is fixedly connected with a helical blade, one side of the side shell, close to the partition plate, is fixedly connected with a discharging pipe, the rotating shaft is positioned on the side wall between the partition plate and the left side wall of the side shell, is fixedly connected with a second gear, and.

Preferably, a round hole is formed in the center of the side wall of the fixing plate, a first sliding groove is formed in the side wall of the round hole, the main shaft penetrates through the round hole, a plurality of first sliding blocks are uniformly distributed and fixedly connected to the side wall of the inner cavity of the round hole and are located on the side wall of the inner cavity of the round hole, and the first sliding blocks are movably connected with the first sliding groove.

Preferably, the mesh density of the filter screen decreases gradually from left to right.

Preferably, the air inlet pipe and the furnace body are arranged in an inclined mode, and an included angle between the bottom surface of the air inlet pipe and the side wall of the furnace body is smaller than 90 degrees.

Preferably, the length of the scraper blade is the same as the radius of the air inlet pipe, and the thickness of the filter screen is the same as that of the fixed plate.

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

1. the utility model discloses a be provided with a plurality of filter screens for the flue gas successive layer passes through the filter screen, and the net of filter screen reduces the setting gradually, can be continuous clear away the dust, makes dust removal effect good, convenient operation;

2. through being provided with the link plate, drive the main shaft through the motor and rotate for the scraper blade is scraped on the both sides lateral wall of filter screen, thereby clears away the dust that the filter screen separation got off and falls to the side shell inner chamber, avoids the dust to block up the filter screen. The dust removal effect is improved;

3. through being provided with helical blade, through the epaxial helical blade rotation of motor drive pivot, can be so that the dust of gathering at side shell inner chamber is discharged from the discharging pipe under helical blade's promotion, be convenient for to the clearance operation of dust.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the structure of the plane A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of fig. 1 at C.

Reference numbers in the figures: 1. a furnace body; 2. an air inlet pipe; 3. a fixing plate; 4. a filter screen; 5. a main shaft; 6. a squeegee; 7. a fan blade; 8. a first gear; 9. a side casing; 10. a motor; 11. a rotating shaft; 12. a partition plate; 13. a helical blade; 14. a discharge pipe; 15. a second gear; 16. a chain; 17. a first chute; 18. a first slider.

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. 1-4, the present invention provides a technical solution: a waste heat recovery boiler with a dust removal function comprises a boiler body 1, wherein an air inlet pipe 2 is fixedly connected to the side wall of the boiler body 1, the air inlet pipe 2 and the boiler body 1 are obliquely arranged, an included angle between the bottom surface of the air inlet pipe 2 and the side wall of the boiler body 1 is smaller than 90 degrees, the flowing arrangement of gas is convenient, a plurality of fixing plates 3 are uniformly and fixedly distributed on the side wall of an inner cavity of the air inlet pipe 2, filter screens 4 are fixedly connected to the upper side wall and the lower side wall of each fixing plate 3, the thickness of each filter screen 4 is the same as that of each fixing plate 3, the density of grids of the filter screens 4 from left to right is gradually reduced, the dust removal effect is good, one sides, away from the fixing plates 3, of the filter screens 4 are fixedly connected to the inner side wall of the air inlet pipe, a round hole is arranged at the center of the side wall of the fixed plate 3, a first sliding groove 17 is arranged on the side wall of the round hole, a main shaft 5 is arranged through the round hole, a plurality of first sliding blocks 18 are uniformly and fixedly distributed and connected on the side wall of the inner cavity of the round hole of the main shaft 5, the first sliding blocks 18 are movably connected with the first sliding grooves 17, so that the main shaft 5 can conveniently rotate, scraping plates 6 are fixedly connected on the side walls of the two sides of the main shaft 5, which are positioned on the filter screen 4, the length of each scraping plate 6 is the same as the radius of the air inlet pipe 2, so that the dust cleaning operation on the filter screen 4 can be conveniently carried out, the blockage can be avoided, the dust removing effect is good, one end of the main shaft 5, which is close to the furnace body 1, a fan blade 7 is fixedly connected with one end of the main shaft 5, a first gear 8 is, fixedly connected with pivot 11 on motor 10's the rotor, pivot 11 is kept away from motor 10 one end and is run through side shell 9 swing joint and have baffle 12, fixed connection sets up between baffle 12 and the side shell 9 inside wall, pivot 11 is located side shell 9 inner chamber one end and extends baffle 12 fixedly connected with helical blade 13, side shell 9 is close to baffle 12 one side fixedly connected with discharging pipe 14, the discharge operation of the dust of being convenient for, make the clearance convenient, pivot 11 is located fixedly connected with second gear 15 on the lateral wall between baffle 12 and the side shell 9 left side wall, be connected the setting through 16 transmissions of chain between first gear 8 and the second gear 15.

The working principle is as follows: when the device is used, one end of the air inlet pipe 2, which is far away from the furnace body 1, is connected with a flue gas channel, flue gas enters the inner cavity of the air inlet pipe 2 from the channel, the flue gas flows upwards and passes through the filter screen 4 layer by layer, the grids of the filter screen 4 are gradually reduced, dust can be effectively separated from the flue gas, meanwhile, the motor 10 is started through an external power supply, the rotating shaft 11 of the motor 10 rotates, the rotating shaft 11 drives the second gear 15 and the helical blade 13 to rotate, the chain 16 is driven by the second gear 15 to rotate, the chain 16 drives the first gear 8 to rotate, so that the main shaft 5 rotates, the main shaft 5 drives the fan blades 7 and the scraper blades 6 to grab, the flow speed of the flue gas to the inner cavity of the furnace body 1 is accelerated through the rotation of the fan blades 7, the working efficiency is improved, the scraper blades 6 carry out scraping operation on the two side walls of the filter, at the moment, the rotation of the helical blades 13 pushes the dust to be discharged from the discharge pipe 14 on the bottom surface of the side shell 9, so that the dust cleaning operation is facilitated.

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. Waste heat recovery boiler with dust removal function, including furnace body (1), its characterized in that: the furnace body is characterized in that an air inlet pipe (2) is fixedly connected to the side wall of the furnace body (1), a plurality of fixing plates (3) are fixedly connected to the inner cavity side wall of the air inlet pipe (2) in an evenly distributed manner, filter screens (4) are fixedly connected to the upper side wall and the lower side wall of each fixing plate (3), one sides, far away from the fixing plates (3), of the filter screens (4) are fixedly connected to the inner side wall of the air inlet pipe (2), a main shaft (5) is arranged in the inner cavity of the air inlet pipe (2), the main shaft (5) penetrates through the centers of the side walls of the fixing plates (3), the main shaft (5) is movably connected with the fixing plates (3), scrapers (6) are fixedly connected to the side walls, located on the two sides of the filter screens (4), of the main shaft (5) is close to one end of the furnace body (, a side shell (9) is fixedly connected to the bottom surface of the air inlet pipe (2), the top surface of the side shell (9) penetrates through the bottom surface of the air inlet pipe (2) and is arranged, a motor (10) is fixedly connected to the side wall of one side, far away from the furnace body (1), of the side shell (9), a rotating shaft (11) is fixedly connected to a rotor of the motor (10), one end, far away from the motor (10), of the rotating shaft (11) penetrates through the side shell (9) and is movably connected with a partition plate (12), the partition plate (12) is fixedly connected with the inner side wall of the side shell (9), one end, located in the inner cavity of the side shell (9), of the rotating shaft (11) extends out of the partition plate (12) and is fixedly connected with a spiral blade (13), a discharge pipe (14) is fixedly connected to one side, close to the partition plate (12), of the side shell (9), and a second gear (, the first gear (8) and the second gear (15) are in transmission connection through a chain (16).

2. The heat recovery boiler with a dust removal function according to claim 1, characterized in that: the round hole has been seted up at the lateral wall center of fixed plate (3), first spout (17) have been seted up on the lateral wall of round hole, main shaft (5) run through the round hole setting, evenly distributed fixedly connected with a plurality of first slider (18) on main shaft (5) are located the lateral wall of round hole inner chamber, swing joint sets up between first slider (18) and first spout (17).

3. The heat recovery boiler with a dust removal function according to claim 1, characterized in that: the mesh density of the filter screen (4) from left to right is gradually reduced.

4. The heat recovery boiler with a dust removal function according to claim 1, characterized in that: the furnace is characterized in that the air inlet pipe (2) and the furnace body (1) are obliquely arranged, and an included angle between the bottom surface of the air inlet pipe (2) and the side wall of the furnace body (1) is smaller than 90 degrees.

5. The heat recovery boiler with a dust removal function according to claim 1, characterized in that: the length of scraper blade (6) and the radius of intake pipe (2) the same setting, the thickness of filter screen (4) and fixed plate (3) the same setting.