CN214536292U

CN214536292U - Biomass-fired air preheater

Info

Publication number: CN214536292U
Application number: CN202120382461.5U
Authority: CN
Inventors: 王猛; 程何康; 田志坚; 梁坤龙; 冯威; 杨东海; 张小猛; 刘聚洲
Original assignee: Henan Zhixin Boiler Technology Innovation Co ltd
Current assignee: Henan Zhixin Boiler Technology Innovation Co ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-10-29
Anticipated expiration: 2031-02-20

Abstract

The utility model relates to an air preheating equipment technical field, specifically speaking relates to a fire living beings air heater, including pipe case, one side upper portion of pipe case is provided with hot air exitus, one side lower part of pipe case is provided with the cold wind export, the bottom of pipe case is provided with the cigarette outlet, one side of cigarette outlet is provided with the exhanst gas outlet, the top of pipe case is provided with into the cigarette storehouse, one side of advancing the cigarette storehouse is provided with the flue gas import, one side that cold wind export and hot air exitus were kept away from to pipe case is provided with the passageway, the inside vertical a plurality of flue gas conveyer pipes that are provided with of pipe case, the middle part of pipe case transversely is provided with the baffle, one side and the passageway UNICOM of pipe case. The flue gas of the biomass-fired air preheater preheats air before entering a boiler to a heating surface with a certain temperature through a steel pipe heating surface of an air preheater. The heat exchange performance of the boiler is improved, the energy consumption is reduced, the flue gas passes through the preheater from top to bottom along the steel pipe, and the air transversely passes through the preheater, so that the heat conduction is conveniently completed.

Description

Biomass-fired air preheater

Technical Field

The utility model relates to an air preheating equipment technical field, specifically speaking relates to a fire living beings air heater.

Background

Carry more heat in the exhaust flue gas in the afterbody flue of boiler, it is external that general direct discharge causes the wasting of resources easily, and the boiler during operation needs the air admission, and the air temperature of entering is lower, just can use after making its intensification through the heating, causes the too much energy resource consumption of boiler.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire living beings air heater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a fire living beings air heater, including the pipe case, one side upper portion of pipe case is provided with hot air exitus, one side lower part of pipe case is provided with the cold wind export, the bottom of pipe case is provided with the cigarette outlet, one side of cigarette outlet is provided with the exhanst gas outlet, the top of pipe case is provided with into the cigarette storehouse, one side of advancing the cigarette storehouse is provided with the flue gas import, one side that cold wind export and hot air exitus were kept away from to the pipe case is provided with the passageway, the inside vertical a plurality of flue gas conveyer pipes that are provided with of pipe case, the middle part of pipe case transversely is provided with the baffle, one side and the passageway UNICOM of pipe case, the opposite side upper portion and the hot air exitus of pipe case are linked together, the opposite side lower part and the cold wind export of pipe case are linked together.

Preferably, lifting lugs are mounted at the tops of two sides of the smoke inlet bin.

Preferably, the outer wall of one side of the cigarette outlet bin is provided with a bottom ash removal port, and the top of the cigarette inlet bin is provided with a top ash removal port.

Preferably, the flue gas conveying pipes are arranged at equal intervals.

Preferably, the outer openings of the cold air outlet and the hot air outlet are in a narrowed circular truncated cone-shaped structure.

Preferably, sealing covers are arranged on the outer sides of the bottom ash removing opening and the top ash removing opening.

Preferably, the tube box and the internal partition plate together form a U-shaped channel.

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

in the biomass-fired air preheater, flue gas in a flue at the tail part of a boiler passes through a steel pipe heating surface of an air preheater to preheat air before entering the boiler to a heating surface with a certain temperature. The heat exchange performance of the boiler is improved, the energy consumption is reduced, the flue gas passes through the preheater from top to bottom along the steel pipe, and the air transversely passes through the preheater, so that the heat conduction is conveniently completed.

Drawings

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

fig. 2 is a schematic external structural view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. a pipe box; 11. a cold air inlet; 12. a hot air outlet; 13. a flue gas conveying pipe; 14. an upper tube sheet; 15. a lower tube plate; 16. a channel; 17. a partition plate; 2. a cigarette discharging bin; 21. a bottom ash removal port; 22. a flue gas outlet; 3. a tobacco inlet bin; 31. a flue gas inlet; 32. a top ash removal port; 33. and (7) lifting lugs.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The utility model provides a biomass-fired air preheater, as shown in figures 1-3, comprising a pipe box 1, one side upper part of the pipe box 1 is provided with a hot air outlet 12 for hot air discharge, one side lower part of the pipe box 1 is provided with a cold air outlet 11 for cold air entrance, the bottom end of the pipe box 1 is provided with a smoke outlet 2 for smoke discharge and ash collection, one side of the smoke outlet 2 is provided with a smoke outlet 22 for smoke discharge, the top end of the pipe box 1 is provided with a smoke inlet 3 for smoke entrance and ash collection, one side of the smoke inlet 3 is provided with a smoke inlet 31 for smoke entrance, one side of the pipe box 1 away from the cold air outlet 11 and the hot air outlet 12 is provided with a channel 16 for air flow, the inside of the pipe box 1 is vertically provided with a plurality of smoke conveying pipes 13, the upper ends of the smoke conveying pipes 13 are connected with the smoke inlet 3, the lower ends are connected with the smoke outlet 2, the smoke can conveniently pass through the middle part of the pipe box 1, a partition plate 17 is transversely arranged in the middle part of the pipe box 1, one side of the pipe box 1 is communicated with the channel 16, the upper part of the other side of the pipe box 1 is communicated with the hot air outlet 12, and the lower part of the other side of the pipe box 1 is communicated with the cold air outlet 11, so that air can conveniently enter and be conveniently discharged.

In this embodiment, the lug 33 is installed at the both sides top of advancing cigarette storehouse 3, conveniently hoists and transports.

Specifically, the outer wall of one side of the cigarette outlet 2 is provided with a bottom ash removal port 21, and the top of the cigarette inlet 3 is provided with a top ash removal port 32, so that the entering impurities can be collected and cleaned conveniently, and the smoke conveying pipe 13 is prevented from being blocked.

Further, the flue gas conveying pipes 13 are arranged at equal intervals, so that the flue gas is uniformly conveyed.

Furthermore, the outer openings of the cold air outlet 11 and the hot air outlet 12 are in a narrowed circular truncated cone structure, so that air can enter and be discharged conveniently.

Furthermore, sealing covers are arranged on the outer sides of the bottom ash cleaning opening 21 and the top ash cleaning opening 32, so that ash cleaning is facilitated, and sealing is facilitated after ash cleaning.

Furthermore, the tube box 1 and the internal partition plate 17 jointly form a U-shaped channel, so that air is heated through the two sections of heating channels, and the air heating effect is ensured.

The fire living beings air heater of this embodiment is when using, places the device stably at first, and the flue gas flow is: the flue gas then enters from the upper flue gas inlet 31, passes through the longitudinal flue gas duct 13 into the smoke outlet 2 and exits from the flue gas outlet 22. The air flow is as follows: cold air enters from the cold air inlet 12, achieves the heat exchange effect by transversely scouring the flue gas conveying pipe 13, and comes out from the hot air outlet 11 through the U-shaped two-return passage, and finally hot air enters the required hot air equipment, the flue gas can enter the flue gas outlet 22 of the device and is discharged, and the heat carried in the flue gas can be absorbed by the flue gas conveying pipe 13 formed in the device, so that the air is indirectly heated, and then the heat is transferred to the air before entering the boiler.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A burn biomass air heater, includes pipe case (1), its characterized in that: the smoke exhaust device is characterized in that a hot air outlet (12) is arranged on the upper portion of one side of the tube box (1), a cold air outlet (11) is arranged on the lower portion of one side of the tube box (1), a smoke outlet bin (2) is arranged at the bottom end of the tube box (1), a smoke outlet (22) is arranged on one side of the smoke outlet bin (2), a smoke inlet bin (3) is arranged at the top end of the tube box (1), a smoke inlet (31) is arranged on one side of the smoke inlet bin (3), a channel (16) is arranged on one side, away from the cold air outlet (11) and the hot air outlet (12), of the tube box (1), a plurality of smoke conveying pipes (13) are vertically arranged in the tube box (1), a partition plate (17) is transversely arranged in the middle of the tube box (1), one side of the tube box (1) is communicated with the channel (16), and the upper portion of the other side of the tube box (1) is communicated with the hot air outlet (12), the lower part of the other side of the tube box (1) is communicated with a cold air outlet (11).

2. The biomass-fired air preheater as recited in claim 1, wherein: lifting lugs (33) are mounted at the tops of two sides of the smoke inlet bin (3).

3. The biomass-fired air preheater as recited in claim 1, wherein: the outer wall of one side of the cigarette outlet bin (2) is provided with a bottom ash cleaning opening (21), and the top of the cigarette inlet bin (3) is provided with a top ash cleaning opening (32).

4. The biomass-fired air preheater as recited in claim 1, wherein: the smoke conveying pipes (13) are arranged at equal intervals.

5. The biomass-fired air preheater as recited in claim 1, wherein: the outer openings of the cold air outlet (11) and the hot air outlet (12) are in a narrowed circular truncated cone-shaped structure.

6. A biomass-fired air preheater as set forth in claim 3, wherein: sealing covers are arranged on the outer sides of the bottom ash removing opening (21) and the top ash removing opening (32).

7. The biomass-fired air preheater as recited in claim 1, wherein: the tube box (1) and the internal partition plate (17) jointly form a U-shaped channel.