CN209116358U - Energy-saving hot blast furnace dust cleaner - Google Patents

Abstract

The utility model discloses a dust cleaning device for an energy-saving hot blast stove, which comprises a main body of the dust cleaning device, an air inlet, a first dust chamber, a second dust chamber, an air outlet, a third dust chamber, a rotating shaft, a dust outlet and a valve. The upper part of the main body of the dust cleaning device is provided with an air inlet, and the air inlet is communicated with the first dust removal chamber, and a first filter screen is arranged between the first dust removal chamber and the second dust removal chamber, and the second dust removal chamber and the third dust removal chamber are arranged at the same time. A second filter screen is arranged between the chambers, the lower ends of the first dust chamber, the second dust chamber and the third dust chamber are all provided with a dust outlet, and the upper end of the third dust chamber is communicated with the air outlet, and The inside of the air outlet is provided with a filter cover, the cleaning fan is provided with a fan blade, and the outer end of the fan blade is provided with a brush. The energy-saving hot blast stove dust cleaning device is provided with a cleaning fan under the filter cover, which plays the role of scraping off the dust on the lower surface of the filter cover, avoids the blockage of the filter cover, and is conducive to further filtration of hot air.

Description

Energy-saving hot blast stove dust cleaning device

technical field

The utility model relates to the technical field of hot blast stoves, in particular to a dust cleaning device for an energy-saving hot blast stove.

Background technique

The fuel of the hot blast stove is usually coal or biomass fuel. The biomass fuel is mostly made of corn stalk, straw, cotton stalk and other straw biomass as raw materials, and is made into pellets by a pellet machine. The hot blast stove is used in industrial production or agricultural breeding production. There are certain requirements for the cleanliness of hot air. Traditional hot air stoves will add a dust removal device to the hot air duct to reduce dust in the hot air.

However, when the existing hot blast stove dust cleaning device is used to purify the hot blast, the filter cover is likely to be blocked, and the filtering effect is poor.

Utility model content

The purpose of this utility model is to provide an energy-saving hot blast stove dust-cleaning device to solve the problem that the existing hot-blast stove dust-cleaning device proposed in the above-mentioned background technology is easy to cause blockage of the filter cover when purifying the hot air, and the filtering effect is poor. question.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an energy-saving hot blast stove dust cleaning device, comprising a dust cleaning device main body, an air inlet, a first dust chamber, a second dust chamber, an air outlet, a third dust chamber, a rotating shaft, A dust outlet and a valve, the upper part of the main body of the dust cleaning device is provided with an air inlet, and the air inlet is communicated with the first dust chamber, and a first filter screen is arranged between the first dust chamber and the second dust chamber, and at the same time A second filter screen is arranged between the second dust chamber and the third dust chamber, the lower ends of the first dust chamber, the second dust chamber and the third dust chamber are all provided with a dust outlet, and the dust outlet is provided with a valve , the upper end of the third dust chamber is communicated with the air outlet, and the inside of the air outlet is provided with a filter cover, and a cleaning fan is arranged below the filter cover, and both ends of the cleaning fan are connected to the side wall of the air outlet through the rotating shaft. The bearing is connected, the cleaning fan is provided with a fan blade, and the outer end of the fan blade is provided with a brush.

Preferably, the lower ends of the first dust chamber, the second dust chamber and the third dust chamber are all connected with the dust outlet, and the second dust chamber is located between the first dust chamber and the third dust chamber.

Preferably, the installation structures of the first filter screen and the second filter screen are both inclined installation structures, and the filter plate aperture on the first filter screen is larger than the filter plate aperture on the second filter screen.

Preferably, the shape structure of the filter cover is a circular arc structure, and the height of the middle part of the filter cover is greater than the height of both ends of the filter cover.

Preferably, the length of the outer blades of the cleaning fan is greater than the width of the filter cover, and the cleaning fan is located just below the filter cover.

Preferably, the brush screw is fixed on the outer end of the fan blade, and the length of the brush is the same as the length of the fan blade.

Compared with the prior art, the beneficial effect of the present utility model is: the energy-saving hot blast stove dust cleaning device is provided with a first filter screen and a second filter screen inside the main body of the dust cleaning device, and the first filter screen and the second filter screen are The net is installed obliquely, which plays the role of filtering the hot air entering the main body of the dust cleaning device, so as to prevent the dust in the hot air from clogging the interior of the hot blast stove, and a filter cover is arranged inside the air outlet. A cleaning fan is arranged below, which plays the role of scraping off the dust on the lower surface of the filter cover, avoids the blockage of the filter cover, removes the dust on the lower surface of the filter cover, and is conducive to further filtration of hot air.

Description of drawings

1 is a schematic diagram of the main structure of the dust cleaning device of the present invention;

Fig. 2 is the enlarged structural schematic diagram of point A in Fig. 1 of the utility model;

FIG. 3 is a schematic view of the structure of the cleaning fan of the utility model viewed from the bottom.

In the figure: 1, the main body of the dust cleaning device; 2, the air inlet; 3, the first dust chamber; 4, the first filter screen; 5, the second dust chamber; 6, the second filter screen; 7, the air outlet; 8, The third dust chamber; 9, the rotating shaft; 10, the dust outlet; 11, the valve; 12, the filter cover; 13, the cleaning fan; 14, the fan blade; 15, the brush.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: an energy-saving hot blast stove dust cleaning device, including a dust cleaning device main body 1, an air inlet 2, a first dust removal chamber 3, a first filter screen 4, and a second dust removal chamber 5. The second filter screen 6, the air outlet 7, the third dust chamber 8, the rotating shaft 9, the dust outlet 10, the valve 11, the filter cover 12, the cleaning fan 13, the fan blade 14 and the brush 15, the main body of the dust cleaning device The upper part of the 1 is provided with an air inlet 2, and the air inlet 2 is communicated with the first dust chamber 3, and a first filter screen 4 is arranged between the first dust chamber 3 and the second dust chamber 5, while the second dust chamber 5 A second filter screen 6 is arranged between the third dust chamber 8 and the first dust chamber 3 , the second dust chamber 5 and the third dust chamber 8 are all provided with a dust outlet 10 , and the dust outlet 10 is provided with a dust outlet 10 . There is a valve 11, the upper end of the third dust chamber 8 is communicated with the air outlet 7, and a filter cover 12 is arranged inside the air outlet 7, and a cleaning fan 13 is arranged below the filter cover 12, and both ends of the cleaning fan 13 pass through The rotating shaft 9 is connected with the side wall bearing of the air outlet 7 , the cleaning fan 13 is provided with a fan blade 14 , and the outer end of the fan blade 14 is provided with a brush 15 .

In this example, the lower ends of the first dust chamber 3 , the second dust chamber 5 and the third dust chamber 8 are all connected to the dust outlet 10 , and the second dust chamber 5 is located between the first dust chamber 3 and the third dust chamber 8 This arrangement has the effect of classifying and removing the hot air entering the main body 1 of the dust cleaning device.

The installation structures of the first filter screen 4 and the second filter screen 6 are both inclined installation structures, and the filter plate aperture on the first filter screen 4 is larger than the filter plate aperture on the second filter screen 6. filter the dust.

The shape and structure of the filter cover 12 is a circular arc structure, and the height of the middle part of the filter cover 12 is greater than the height of the two ends. This arrangement prevents dust from entering the air outlet 7 and is conducive to further filtering of hot air.

The length of the outer blades 14 of the cleaning fan 13 is greater than the width of the filter cover 12, and the cleaning fan 13 is located directly below the filter cover 12, so that the filter cover 12 is blocked by dust.

The brush 15 is screwed to the outer end of the fan blade 14 , and the length of the brush 15 is the same as the length of the fan blade 14 .

Working principle: When using the energy-saving hot blast stove dust cleaning device, the hot air enters the inside of the main body 1 of the dust cleaning device through the air inlet 2, and is filtered by the first filter screen 4, the second filter screen 6 and the filter cover 12, The air outlet 7 is added to the interior of the hot blast stove. During the process of hot air passing through the air outlet 7, the cleaning fan 13 is driven to rotate by the fan blade 14 under the action of the airflow, so that the brush 15 at the outer end of the fan blade 14 brushes the filter cover 12. After the dust adhered to the first filter screen 4, the second filter screen 6 and the filter cover 12 falls to the dust outlet 10 under its own gravity, the above completes a series of the energy-saving hot blast stove dust cleaning device. Operation, the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description in the specification and the drawings, and the specific connection method of each part adopts the mature bolts, rivets and welding in the prior art. and other conventional means, the machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection manner in the prior art, which will not be described in detail here.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (6)

1. energy-saving hot blast furnace dust cleaner, including dust cleaner main body (1), air inlet (2), the first dirt pocket (3), the second dedusting Room (5), air outlet (7), third dirt pocket (8), rotation axis (9), dust mouth (10) and valve (11), it is characterised in that: described The top of dust cleaner main body (1) is provided with air inlet (2), and air inlet (2) is connected with the first dirt pocket (3), and the It is provided between one dirt pocket (3) and the second dirt pocket (5) the first filter screen (4), while the second dirt pocket (5) and third dedusting It is provided between room (8) the second filter screen (6), first dirt pocket (3), the second dirt pocket (5) and third dirt pocket (8) Lower end is provided with dust mouth (10), and valve (11) are provided on dust mouth (10), the upper end of the third dirt pocket (8) with Air outlet (7) is connected, and air outlet (7) is internally provided with filter mantle (12), and is provided with below filter mantle (12) Cleaning fan (13), while the both ends for clearing up fan (13) are connect by rotation axis (9) with the side wall bearing of air outlet (7), it is described clear It is provided with flabellum (14) on reason fan (13), and the outer end of flabellum (14) is provided with hairbrush (15).

2. energy-saving hot blast furnace dust cleaner according to claim 1, it is characterised in that: first dirt pocket (3), second The lower end of dirt pocket (5) and third dirt pocket (8) is connected with dust mouth (10), and the second dirt pocket (5) is located at first and removes Between dirt room (3) and third dirt pocket (8).

3. energy-saving hot blast furnace dust cleaner according to claim 1, it is characterised in that: first filter screen (4) and The mounting structure of two filter screens (6) is oblique mounting structure, and the filter plate aperture on the first filter screen (4) is greater than the second filtering Filter plate aperture on net (6).

4. energy-saving hot blast furnace dust cleaner according to claim 1, it is characterised in that: the shape knot of the filter mantle (12) Structure is convex structure, and the height at the intermediate position of filter mantle (12) is greater than the height at its both ends.

5. energy-saving hot blast furnace dust cleaner according to claim 1, it is characterised in that: flabellum on the outside of the cleaning fan (13) (14) length is greater than the width of filter mantle (12), and clears up the underface that fan (13) is located at filter mantle (12).

6. energy-saving hot blast furnace dust cleaner according to claim 1, it is characterised in that: hairbrush (15) screw is fixed on The outer end of flabellum (14), and the length of hairbrush (15) is identical as the length of flabellum (14).