CN217482798U

CN217482798U - Boiler air preheater air leakage dredging device

Info

Publication number: CN217482798U
Application number: CN202221360160.3U
Authority: CN
Inventors: 张立华; 赵建友; 徐方清
Original assignee: Jinan Qiushi Boiler Co ltd
Current assignee: Jinan Qiushi Boiler Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-23
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to the technical field of heat exchange equipment, in particular to an air leakage dredging device of a boiler air preheater, which comprises a base, wherein a dredging bin and a processing bin are respectively and fixedly arranged on the top end surface of the base, an air inlet pipe is arranged on one side plate of the dredging bin in a penetrating way, the corresponding end of the air inlet pipe is fixedly connected with one end of the top of the processing bin, a rotating shaft is arranged inside the processing bin in a rotating way, a plurality of connecting plates and scraping plates are respectively and fixedly connected with the outer wall of the rotating shaft, a collecting box is arranged on the top plate of the base, the air preheater is arranged in the dredging bin, leaked flue gas can be dredged into the processing bin through the processing bin, the air inlet pipe, the connecting plates and the scraping plates, the temperature of the flue gas is improved through secondary combustion, and the flue gas entering the processing bin can be subjected to shunting treatment, so that incompletely combusted substances in the flue gas can be fully combusted, reducing harmful substances in the smoke.

Description

Boiler air preheater air leakage dredging device

Technical Field

The utility model relates to a indirect heating equipment technical field specifically is a boiler air preheater device that dredges that leaks out.

Background

The air preheater is a device for improving the heat exchange performance of a boiler system. The air preheater mainly has the function of collecting heat in flue gas exhausted by a boiler and conducting the heat to air before entering the boiler, and the air preheater has three major categories, namely a plate type air preheater, a rotary type air preheater and a tubular type air preheater. Air preheater in the application of reality, the condition that leaks can appear, not only causes thermal loss after the flue gas of leaking runs out, and contains a large amount of pollutants in the flue gas, has caused the influence to the environment, consequently, generally can set up air preheater's the device of leading that leaks for dredge the processing to the wind that spills, avoid causing the waste.

The structure that current hourglass was dredged generally sets up the structure of leaking out in the inside of air preheater and prevents that the condition of leaking out from appearing, but the structure of leak protection wind appears damaging the back in the use, need dismantle the air preheater, just can maintain or change the structure of leaking out, trouble very.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler air preheater leaks out and dredges device to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler air preheater device that leaks out and dredges, the on-line screen storage device comprises a base, the top face of base fixed mounting respectively dredges the storehouse and handles the storehouse, run through on a curb plate of dredging the storehouse and install the intake pipe, just the one end fixed connection that the intake pipe corresponds is in the one end of handling the storehouse top, the inside rotation of handling the storehouse installs the pivot, the outer wall difference fixedly connected with a plurality of connecting plates of pivot and scraper blade, be provided with the collecting box on the roof of base, just the top of collecting box runs through the bottom of handling the storehouse and extends to in handling the storehouse.

Preferably, a guide pipe is arranged at one end, close to the dredging bin, of the top of the treatment bin in a penetrating mode, and the air inlet pipe is connected to the guide pipe.

Preferably, the connecting plates are arranged on the outer wall of one end of the rotating shaft, and the rotating shaft is located below the guide pipe.

Preferably, a plurality of the scraper blades are located in the middle of the rotating shaft, a waste material opening is formed in the bottom of the treatment bin, and the waste material opening is located below the plurality of the scraper blades.

Preferably, the distance between each of the plurality of scraping plates and the inner wall of the treatment bin is about 0.4cm-0.6cm, and an igniter is arranged at the top of the treatment bin.

Preferably, the base is provided with two support columns on the top end face of one end far away from the dredging bin, and the top of each support column is provided with a processing bin.

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

in the utility model, the air preheater is arranged in the dredging bin, and the leaked flue gas can be dredged into the treating bin under the action of the treating bin, the air inlet pipe, the connecting plate and the scraper, so that the temperature of the flue gas is improved through secondary combustion, and the flue gas entering the treating bin can be subjected to shunting treatment, so that incompletely combusted substances in the flue gas are fully combusted, and harmful substances in the flue gas are reduced;

the utility model discloses in, use through the cooperation that sets up scraper blade, waste material mouth and collecting box, when the flue gas enters into the processing storehouse by the intake pipe in, can blow the connecting plate and rotate to drive the scraper blade and rotate and strike off processing storehouse inner wall on adnexed impurity, and carry through the waste material mouth and to same storage in the collecting box, the clearance in the later stage of being convenient for, thereby guaranteed the cleanness of processing storehouse inner wall.

Drawings

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

fig. 2 is a rear view structure diagram of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a base; 2. a dredging bin; 3. a processing bin; 4. an air inlet pipe; 5. a rotating shaft; 6. a connecting plate; 7. a squeegee; 8. an igniter; 9. a waste material port; 10. a collection box; 11. and (4) a support column.

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 the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a boiler air preheater device that leaks out and dredges, the on-line screen storage device comprises a base 1, base 1's top face fixed mounting respectively dredges storehouse 2 and processing storehouse 3, it installs intake pipe 4 to run through on the curb plate of dredging storehouse 2, and the one end fixed connection that intake pipe 4 corresponds is in the one end of handling 3 tops in the storehouse, the inside rotation of handling storehouse 3 installs pivot 5, a plurality of connecting plates of fixedly connected with 6 and scraper blade 7 are distinguished to the outer wall of pivot 5, be provided with collecting box 10 on base 1's the roof, and the top of collecting box 10 runs through the bottom of handling storehouse 3 and extends to in handling storehouse 3, it sets up the air preheater in the storehouse 2 to dredge, it is provided with the outlet duct to handle the one end that storehouse 2 was kept away from to storehouse 3, the gas blow pipe is connected with the air inlet of boiler.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a conduit is installed at one end of the top of the treatment bin 3 close to the dredging bin 2, and the air inlet pipe 4 is connected to the conduit.

In this embodiment, as shown in fig. 3, the connecting plates 6 are disposed on an outer wall of one end of the rotating shaft 5, and the rotating shafts 5 are located below the guide pipe.

In this embodiment, as shown in fig. 3, the plurality of scrapers 7 are located in the middle of the rotating shaft 5, the bottom of the treatment bin 3 is provided with a waste opening 9, the waste opening 9 is located below the plurality of scrapers 7, and the waste opening 9 guides scraped waste into the collection box 10.

In this embodiment, as shown in fig. 3, the distance between each of the plurality of scrapers 7 and the inner wall of the treatment chamber 3 is about 0.4cm to 0.6cm, and the top of the treatment chamber 3 is provided with an igniter 8.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, two supporting columns 11 are fixedly installed on the top end surface of one end of the base 1 far away from the dredging bin 2, and the processing bin 3 is fixedly installed on the tops of the two supporting columns 11.

The utility model discloses a use method and advantage: when the air leakage dredging device for the boiler air preheater is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when using this device, at first, carry out external power supply to the consumer in this device, after the air preheater leaks out, the flue gas that spills can enter into treatment bin 3 along intake pipe 4, when getting into treatment bin 3, because of the effect of air current, can blow connecting plate 6 and drive pivot 5 and rotate, then ignite the burning through the flue gas of some firearm 8 work in handling bin 3, the flue gas is through the postcombustion, can improve the temperature of flue gas, and can carry out the reposition of redundant personnel to the flue gas that gets into treatment bin 3 through the effect of connecting plate 6 and scraper blade 7 and handle, in the pivoted in-process of pivot 5, make the material of complete combustion not carry out abundant burning in the flue gas, harmful substance in the reduction flue gas.

And use in the cooperation of scraper blade 7, waste opening 9 and collecting box 10, when the flue gas entered into by intake pipe 4 and handled in the storehouse 3, can blow connecting plate 6 and rotate to drive scraper blade 7 and rotate and strike off processing 3 inner walls on adnexed impurity, and carry to same storage in the collecting box 10 through waste opening 9, the clearance in the later stage of being convenient for, thereby guaranteed the cleanness of handling 3 inner walls in storehouse.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a boiler air preheater device that dredges that leaks out, includes base (1), its characterized in that: the top face of base (1) is fixed mounting respectively to be dredged storehouse (2) and handle storehouse (3), run through on the curb plate of dredging storehouse (2) and install intake pipe (4), just the one end fixed connection that intake pipe (4) correspond is in the one end of handling storehouse (3) top, the internal rotation of handling storehouse (3) installs pivot (5), the outer wall of pivot (5) is a plurality of connecting plates of fixedly connected with (6) and scraper blade (7) respectively, be provided with collecting box (10) on the roof of base (1), just the top of collecting box (10) runs through the bottom of handling storehouse (3) and extends to in handling storehouse (3).

2. The boiler air preheater air leakage dredging device according to claim 1, characterized in that: the top of the treatment bin (3) is provided with a guide pipe at one end close to the dredging bin (2), and the air inlet pipe (4) is connected to the guide pipe.

3. The boiler air preheater air leakage dredging device according to claim 2, characterized in that: the connecting plates (6) are arranged on the outer wall of one end of the rotating shaft (5), and the rotating shaft (5) is located below the guide pipe.

4. The boiler air preheater air leakage dredging device according to claim 1, characterized in that: a plurality of scraper blade (7) are located the intermediate position department of pivot (5), waste material mouth (9) have been seted up to the bottom of handling storehouse (3), just waste material mouth (9) are located the below of a plurality of scraper blades (7).

5. The boiler air preheater air leakage dredging device according to claim 1, characterized in that: the distance between the plurality of scraping plates (7) and the inner wall of the treatment bin (3) is about 0.4cm-0.6cm, and an igniter (8) is arranged at the top of the treatment bin (3).

6. The boiler air preheater air leakage dredging device according to claim 1, characterized in that: the base (1) is keeping away from top end face fixed mounting who dredges the one end in storehouse (2) and is had two support columns (11), two the top fixed mounting of support column (11) has handles storehouse (3).