CN218480627U

CN218480627U - Dust falling device for biomass combustion furnace

Info

Publication number: CN218480627U
Application number: CN202221300344.0U
Authority: CN
Inventors: 何骏; 朱颢; 邓强; 李洪; 田晶; 蔡玻; 李佳友; 刘佳丽
Original assignee: Liupanshui Co of Guizhou Tabacco Co
Current assignee: Liupanshui Co of Guizhou Tabacco Co
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2023-02-14
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a dust device for biomass combustion furnace, including furnace body and dust collection box, furnace body one side is located to the dust collection box, and the hot-blast mouth is seted up with the furnace body intercommunication to dust collection box lower part, top, and is equipped with the baffle between dust collection box and the furnace body roof, the baffle is to furnace body slope predetermined angle, separates the furnace body for feed bin and combustion chamber, and the combustion chamber is close to the dust collection box. The device leads hot air in the furnace body to move to the hot air port, thereby being beneficial to driving floating ash residues to enter the dust collection box and avoiding the ash residues from floating upwards and depositing on the heat exchange tube to influence the heat exchange efficiency; set up the baffle and cut apart into feed bin and combustion chamber with the furnace body, restrict fuel at the feed bin, effectively avoid the lime-ash to adhere to and influence the burning on fuel surface, and utilize the baffle to keep off the ash that floats and directly fall to the grate, and the lime-ash that gets into the combustion chamber is most to the grate deposit under the effect of baffle two, and a small amount of lime-ash of remaining falls into the dust collection box bottom, improves the ash falling rate, reduces the attachment rate of lime-ash in the furnace body.

Description

Dust device for biomass combustion furnace

Technical Field

The utility model relates to a fire burning furnace technical field, concretely relates to dust device for biomass combustion furnace.

Background

With the increasing enhancement of environmental protection concept, biomass particle combustion furnaces are greatly demonstrated and popularized in the tobacco industry. Because most areas in Guizhou do not have biomass particle processing factories, the fuel cost is higher due to small quantity, high transportation cost and the like of uniform purchase, and workers use local agricultural and forestry wastes (such as crop straws, sawdust, hay and the like) as main fuel for combustion and heat supply after crushing.

However, in the currently used combustion furnace, the grate is generally arranged at the lower part to separate the fuel and the ash, but as the air is introduced into the furnace body of the box, part of the ash floats in the furnace body, and not only is attached to the fuel to influence the combustion efficiency of the fuel, but also the ash rises with hot air and is attached to the heat exchange tubes of the combustion furnace and the inner wall of the furnace body, so that the heat transfer effect of the combustion furnace is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Based on the problem, the utility model provides a dust device for burning furnace is favorable to collecting the showy lime-ash that produces after the fuel burning, improves fuel combustion efficiency, reduces the lime-ash adhesion volume that fires burning furnace heat exchange tube and furnace body inner wall.

The technical scheme of the utility model be, a dust device for biomass combustion furnace, including furnace body and dust collection box, furnace body one side is located to the dust collection box, and the hot-blast mouth is seted up on dust collection box lower part and furnace body intercommunication, top, and is equipped with the baffle between dust collection box and the furnace body roof, the baffle is to furnace body slope predetermined angle, separates the furnace body for feed bin and combustion chamber, and the combustion chamber is close to the dust collection box.

Preferably, the dust box is provided with a dust cleaning port at the lower part of the front surface, the dust cleaning port is matched with a box door, one side of the box door is hinged with the dust cleaning port, and the other side of the box door is connected with a bolt.

Preferably, a first baffle is arranged on one side of the lower part of the furnace body close to the dust collection box and corresponds to the partition plate, the first baffle is vertically upward, and the top end of the first baffle is positioned between the partition plate and the dust collection box and 4-6cm away from the bottom end of the partition plate.

Preferably, the included angle between the partition plate and the top plate of the furnace body is 55-60 degrees, and the bottom end of the partition plate is positioned above the grate.

Preferably, the dust collection box is made of acid-resistant steel after 4mm, the height of the dust collection box is flush with the furnace body, and the width of the inner diameter of the dust collection box is 8-10cm.

Preferably, a second baffle is horizontally arranged at the lower part of the partition plate, and the second baffle is positioned in the middle of the furnace body.

Preferably, a vibrating rod is arranged on one side of the furnace body close to the dust collection box, one end of the vibrating rod extends into the furnace body and is connected with the partition plate, and the other end of the vibrating rod is located outside the furnace body and is connected with a vibrator.

Compared with the prior art, the beneficial effects of the utility model are that: the dust collection box is arranged on one side of the furnace body, and the hot air port is arranged at the top end of the dust collection box to guide hot air in the furnace body to move to the hot air port, so that floating ash can be driven into the dust collection box, and the ash is prevented from floating upwards and depositing on the heat exchange tube to influence the heat exchange efficiency; set up the baffle between collection box and the furnace body and cut apart into feed bin and combustion chamber with the furnace body, on the one hand with fuel restriction in the one side of keeping away from the dust-collecting box, effectively avoid the lime-ash to adhere to and influence the burning on fuel surface, on the other hand utilizes the baffle to keep off floating lime-ash and get off and directly fall to the grate, and the lime-ash majority that gets into the combustion chamber is deposited to the grate under the effect of baffle two, and a small amount of lime-ash of remaining falls into the dust-collecting box bottom, improves the ash rate that falls, reduces the attachment rate of lime-ash in the furnace body.

Drawings

FIG. 1 is a front sectional view of the present invention;

marked in the figure; 1. the furnace comprises a furnace body, 101, a storage bin, 102, a combustion chamber, 2, a dust collection box, 201, a hot air port, 202, an ash removal port, 3, a partition plate, 4, a first baffle, 5, a grate, 6, a second baffle, 7, a vibrating rod, 8, a feed inlet, 9, an ignition port, 10, an ash outlet, 11 and an air inlet.

Detailed Description

The present invention will be further explained with reference to the drawings attached to the specification so as to be better understood by those skilled in the art.

Example 1

As shown in fig. 1, the dust fall device for the biomass combustion furnace comprises a furnace body 1 and a dust collection box 2. The furnace body 1 is the cuboid cavity that adopts 5mm thick acidproof stainless steel to make, furnace body 1 openly sets up feed inlet 8 and matches and be equipped with the chamber door, and 8 below of feed inlet are equipped with ignition hole 9, and 9 below of ignition hole are equipped with ash hole 10, and ignition hole 9 and ash hole 10 are equipped with the chamber door respectively, and correspond ignition hole 9 below in the furnace body 1 and be equipped with grate 5 for separation fuel and lime-ash. An air inlet 11 is formed in one side of the ignition port 9, a fan is arranged at the air inlet 11, and the fan is connected with a power supply and a controller.

The dust collection box 2 is arranged on one side of the furnace body 1 far away from the fan, the lower part of the dust collection box 2 is communicated with the furnace body 1, the top end of the dust collection box 2 is provided with a hot air port 201, and the hot air port 201 is connected with a baking room; and a clapboard 3 is arranged between the dust collection box 2 and the top plate of the furnace body 1, the clapboard 3 inclines towards the furnace body 1 by a preset angle to divide the furnace body 1 into a storage bin 101 and a combustion chamber 102, and the combustion chamber 102 is close to the dust collection box 2. When the furnace is used, fuel is added into the bin 101 through the feeding hole 8 and ignited from the ignition hole 10, after the fan replenishes air, strong hot air is arranged in the furnace body 1 and is discharged from the hot air hole 201 after passing through the bin, the combustion chamber and the dust collection box, so that floating ash can be driven into the dust collection box 2, and the ash is prevented from floating upwards and depositing on the heat exchange tube to influence the heat exchange efficiency. Most of the floating ash is positioned in the combustion chamber 102 and deposited to the grate through the baffle II 6, so that the problem that the original ash is easy to attach to the surface of fuel to reduce the combustion rate when the ash is filled in the whole furnace body 1 is solved.

The lower part of the front surface of the dust collection box 2 is provided with a dust removal port 202, the dust removal port 202 is provided with a box door in a matching way, one side of the box door is hinged with the dust removal port 202, and the other side of the box door is connected with a bolt; the ash deposited at the bottom of the dust box 2 is cleaned through the ash cleaning port 202.

A first baffle 4 is arranged on one side of the lower part of the furnace body 1 close to the dust collection box 2 corresponding to the partition plate 3, the first baffle 4 is vertically upward, and the top end of the first baffle 4 is positioned between the partition plate 3 and the dust collection box 2 and is 4-6cm away from the bottom end of the partition plate 3; the first baffle 4 is used for limiting the fuel above the grate 5 of the silo 101, and a gap is reserved between the first baffle 4 and the partition 3, so that gas and ash can enter the combustion chamber 102.

The included angle between the partition plate 3 and the top plate of the furnace body 1 is 55-60 degrees, and the bottom end of the partition plate 3 is positioned above the grate 5; and a proper space for the storage bin 101 and the combustion chamber 102 is formed, so that the combustible gas in the combustion chamber 102 can be fully combusted.

The dust collection box 2 is made of acid-resistant steel with the thickness of 4mm, the height of the dust collection box 2 is flush with that of the furnace body 1, and the width of the inner diameter is 8-10cm; form effective hot air channel, and this design is economical and practical, excellent in use effect.

And a second baffle 6 is horizontally arranged at the lower part of the partition plate 3, and the second baffle 6 is positioned in the middle of the furnace body 1 and used for blocking ash in the combustion chamber 102 and avoiding influencing the heat transfer effect of the furnace body 1.

The utility model discloses a furnace body 1, including furnace body 1, baffle 3, vibrating spear 7, baffle 3, the ash and slag ash falling on the baffle 3 is strengthened to the vibrating spear 7, and the form of fuel can be changed to the ash and slag falling that utilizes vibrating spear 7 to strengthen in the furnace body 1 that is close to one side of dust collection box 2 and is equipped with vibrating spear 7, vibrating spear 7 one end stretches into in the furnace body 1 and is connected with baffle 3, and the other end is located the furnace body 1 and connects the vibrator outward, is favorable to abundant burning.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. The utility model provides a dust device for biomass combustion stove, its characterized in that includes furnace body (1) and dust collection box (2), furnace body (1) one side is located in dust collection box (2), and dust collection box (2) lower part and furnace body (1) intercommunication, hot-blast mouth (201) are seted up on the top, and are equipped with baffle (3) between dust collection box (2) and furnace body (1) roof, baffle (3) are for feed bin (101) and combustion chamber (102) to furnace body (1) predetermined angle of slope, separate furnace body (1), and combustion chamber (102) are close to dust collection box (2).

2. The dust falling device for the biomass combustion furnace according to claim 1, wherein an ash cleaning port (202) is formed in the lower portion of the front face of the dust collection box (2), a box door is arranged at the ash cleaning port (202) in a matched mode, one side of the box door is hinged to the ash cleaning port (202), and the other side of the box door is connected through a bolt.

3. The dust fall device for the biomass combustion furnace according to claim 1, characterized in that a first baffle (4) is arranged on one side of the lower part of the furnace body (1) close to the dust collection box (2) corresponding to the partition plate (3), the first baffle (4) is vertically upward, and the top end of the first baffle (4) is positioned between the partition plate (3) and the dust collection box (2) and 4-6cm away from the bottom end of the partition plate (3).

4. The dust falling device for the biomass combustion furnace according to claim 1, wherein an included angle between the partition plate (3) and a top plate of the furnace body (1) is 55-60 degrees, and the bottom end of the partition plate (3) is positioned above the grate (5).

5. The dust fall device for the biomass combustion furnace according to claim 1, wherein the dust collection box (2) is made of acid-proof steel with the thickness of 4mm, the height of the dust collection box (2) is flush with the furnace body (1), and the width of the inner diameter is 8-10cm.

6. The dust suppression device for the biomass combustion furnace according to claim 1, wherein a second baffle (6) is horizontally arranged at the lower part of the partition plate (3), and the second baffle (6) is positioned in the middle of the furnace body (1).

7. The dust fall device for the biomass combustion furnace according to claim 1, wherein a vibrating rod (7) is arranged on one side of the furnace body (1) close to the dust collection box (2), one end of the vibrating rod (7) extends into the furnace body (1) and is connected with the partition plate (3), and the other end of the vibrating rod is positioned outside the furnace body (1) and is connected with a vibrator (8).