CN219231743U

CN219231743U - Air inlet cooling device of bag-type dust collector

Info

Publication number: CN219231743U
Application number: CN202222633581.5U
Authority: CN
Inventors: 李磊; 王诚; 何东杰; 郝腾飞
Original assignee: Anhui Shanyi Environmental Protection Technology Co ltd
Current assignee: Anhui Shanyi Environmental Protection Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-06-23
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses an air inlet cooling device of a bag-type dust collector, which comprises a cooling chamber of a shell structure, wherein a plurality of cooling plates are arranged in the cooling chamber along the air flowing direction, the cooling plates are of the shell structure, an interlayer is arranged in the cooling plates, a first water cavity is arranged on the lower side of the cooling chamber, a second water cavity is arranged on the upper side of the cooling chamber, the upper side of the interlayer corresponding to the cooling plates is communicated with the second water cavity, and the lower side of the cooling plates is communicated with the first water cavity. The cooling plate can absorb heat passing through air flow, further transfer the heat to water, be taken away, the water inlet pipe and the drain pipe are connected with equipment such as a cooling tower in series for radiating, the temperature of the water is kept in a lower state, the temperature of the gas flowing through is reduced through the cooling plate, so that the temperature of flue gas entering the bag-type dust collector can be reduced, the filtering effect is improved, the damage to the bag is reduced, and the replacement frequency of the bag is reduced.

Description

Air inlet cooling device of bag-type dust collector

Technical Field

The utility model belongs to the technical field of industrial waste gas treatment devices, and particularly relates to an air inlet cooling device of a bag-type dust remover.

Background

Cloth bag materials used in cloth bag dust collectors are cloth or felt woven from synthetic fibers, natural fibers or glass fibers. The cloth or felt is sewn into a cylinder or flat filter bag as required. According to the flue gas properties, a filter material suitable for application conditions is selected. Although many cloth bags can bear certain high temperature, the temperature of smoke tail gas used as tail gas for refining metal reaches more than 120 ℃, and under the high temperature state, the cloth bags can play a role in certain filtering efficiency, but the service life is greatly shortened.

Therefore, when aiming at high-temperature tail gas, the high-temperature resistance of the cloth bag is improved, and meanwhile, the cooling device can be additionally arranged at the position of the air inlet of the cloth bag dust collector, so that the problem of shortening the service life of the cloth bag at high temperature is solved.

Disclosure of Invention

The utility model aims to provide an air inlet cooling device of a bag-type dust collector, wherein a cooling device is additionally arranged at the position of an air inlet of the bag-type dust collector, so that the problem of shortening the service life of the bag at high temperature is solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the air inlet cooling device of the bag-type dust collector comprises a cooling chamber of a shell structure, wherein openings are formed in two sides of the cooling chamber, one side of the cooling chamber is communicated with an air inlet end of the bag-type dust collector, and the other side of the cooling chamber is communicated with an air inlet pipe;

a plurality of cooling plates are arranged in the cooling chamber along the gas flow direction, the cooling plates are of a shell structure, an interlayer is arranged in the cooling plates, a first water cavity is formed in the lower side of the cooling chamber, a second water cavity is formed in the upper side of the cooling chamber, the upper side of the interlayer corresponding to the cooling plates is communicated with the second water cavity, and the lower side of the interlayer corresponding to the cooling plates is communicated with the first water cavity.

Further, a strip-shaped groove is formed in the position, corresponding to the position, of the upper side wall and the lower side wall of the cooling chamber, where the cooling plate is connected, the strip-shaped groove corresponds to an interlayer corresponding to the cooling plate, and the upper side and the lower side of the cooling plate are fixed at the position of the strip-shaped groove.

Further, the cooling plates are provided with horizontal folded edges which are used for fixing at positions corresponding to the upper side and the lower side of the cooling chamber, and the cooling plates are welded and fixed with the positions, corresponding to the strip-shaped grooves, of the upper side wall and the lower side wall of the cooling chamber through the folded edges.

Further, a mixing chamber is further arranged between the cooling chamber and the air inlet pipe, the mixing chamber is of a shell structure, the mixing chamber is communicated with the side wall of the cooling chamber, and the air inlet pipe is communicated with the upper side of the mixing chamber.

Further, an access hole is formed in the other side of the mixing chamber, which is correspondingly communicated with the cooling chamber, and the mixing chamber is sealed through a sealing cover.

The utility model has the following beneficial effects: the cooling plate can absorb heat passing through air flow, further transfer the heat to water, be taken away, the water inlet pipe and the drain pipe are connected with equipment such as a cooling tower in series for radiating, the temperature of the water is kept in a lower state, the temperature of the gas flowing through is reduced through the cooling plate, so that the temperature of flue gas entering the bag-type dust collector can be reduced, the filtering effect is improved, the damage to the bag is reduced, and the replacement frequency of the bag is reduced.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.

Fig. 1: the utility model is a schematic structural diagram.

Fig. 2: the cooling plate disassembly structure of the cooling chamber is schematically shown.

Fig. 3: the cooling plate installation structure in the cooling chamber is schematically shown.

In the drawings, the list of components represented by the various numbers is as follows: cooling chamber 1, sack cleaner 2, intake pipe 11, cooling plate 3, first water cavity 4, second water cavity 5, bar groove 12, hem 31, mixing chamber 6, access hole 61.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

As shown in fig. 1-3: the air inlet cooling device of the bag-type dust collector comprises a cooling chamber 1 of a shell structure, wherein two sides of the cooling chamber 1 are provided with openings, one side of the opening is communicated with an air inlet end of the bag-type dust collector 2, and the other side of the opening is communicated with an air inlet pipe 11; the cooling chamber has corresponding openings on both sides with communication parts and flanges for connection.

A plurality of cooling plates 3 are arranged in the cooling chamber 1 along the gas flow direction, the cooling plates 3 are of shell structures, interlayers are arranged in the cooling plates, a first water cavity 4 is arranged on the lower side of the cooling chamber 1, a second water cavity 5 is arranged on the upper side of the cooling chamber 1, the upper side of the interlayers corresponding to the cooling plates 3 is communicated with the second water cavity 5, and the lower side of the interlayers corresponding to the cooling plates is communicated with the first water cavity 4. The cooling plate is plate body structure, and the windward side that corresponds has the chamfer structure, and the air current of being convenient for passes through, and the first water cavity of downside passes through the inlet tube and advances water, and the second water cavity of upside passes through the drain pipe drainage, forms the water of unidirectional flow in the intermediate layer in the cooling plate, and the cooling plate can absorb the heat through the air current, further transmits to aquatic, is taken away, and inlet tube and drain pipe concatenate equipment such as cooling tower for dispel the heat, and the temperature of water keeps at a lower state, cools down the gas of flowing through the cooling plate, makes the flue gas temperature that gets into in the sack cleaner can reduce, improves the filter effect, reduces the damage to the sack, reduces the change frequency of sack.

As shown in fig. 2: the upper and lower side walls of the cooling chamber 1 are correspondingly provided with strip grooves 12 at positions connected with the cooling plates 3, the strip grooves 12 correspond to interlayers corresponding to the cooling plates 3, and the upper and lower sides of the cooling plates 3 are fixed at the positions of the strip grooves 12. The upper and lower sides corresponding to the cooling plates are open sides and correspond to the strip-shaped grooves.

The cooling plate 3 is provided with a horizontal folded edge 31 for fixing at the position corresponding to the upper side and the lower side, and the cooling plate 3 is welded and fixed with the positions of the upper side wall and the lower side wall of the cooling chamber 1 corresponding to the strip-shaped groove 12 through the folded edge 31. The sealing performance is improved, and water is prevented from entering the cooling chamber.

As shown in fig. 1: a mixing chamber 6 is further arranged between the cooling chamber 1 and the air inlet pipe 11, the mixing chamber 6 is of a shell structure, the mixing chamber 6 is communicated with the side wall of the cooling chamber, and the air inlet pipe 11 is communicated with the upper side of the mixing chamber 6. The air in the air inlet pipe enters the mixing chamber, so that the impact force of the air flow is reduced, the flow speed of the air is reduced, the air is retained in the cooling chamber for a longer time, and the temperature is reduced.

The other side of the mixing chamber 6, which is correspondingly communicated with the cooling chamber 1, is provided with an access hole 61, and is sealed by a sealing cover. The access hole is used for overhauling the inner structure of the cooling chamber, and because the cooling plate side plate is used for a long time, dust is adsorbed on the cooling plate side plate, and the dust can be cleaned through the access hole, so that the heat absorption efficiency is improved.

The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model.

Claims

1. An air inlet cooling device of a bag-type dust remover is characterized in that:

the cooling device comprises a cooling chamber (1) with a shell structure, wherein two sides of the cooling chamber (1) are provided with openings, one side of the cooling chamber is provided with an opening which is communicated with an air inlet end of a bag-type dust collector (2), and the other side of the cooling chamber is provided with an opening which is communicated with an air inlet pipe (11);

a plurality of cooling plates (3) are arranged in the cooling chamber (1) along the gas flow direction, the cooling plates (3) are of a shell structure, an interlayer is arranged inside the cooling plates, a first water cavity (4) is arranged on the lower side of the cooling chamber (1), a second water cavity (5) is arranged on the upper side of the cooling chamber (1), the second water cavity (5) is communicated with the upper side of the interlayer corresponding to the cooling plates (3), and the first water cavity (4) is communicated with the lower side of the interlayer.

2. The air intake cooling device of the bag-type dust collector as set forth in claim 1, wherein: the cooling device is characterized in that a strip-shaped groove (12) is formed in the position, corresponding to the upper side wall and the lower side wall of the cooling chamber (1), of the cooling plate (3), the strip-shaped groove (12) corresponds to an interlayer corresponding to the cooling plate (3), and the upper side and the lower side of the cooling plate (3) are fixed at the position of the strip-shaped groove (12).

3. The air intake cooling device of the bag-type dust collector as set forth in claim 2, wherein: the cooling plates (3) are respectively provided with a horizontal folded edge (31) for fixing at positions corresponding to the upper side and the lower side, and the cooling plates (3) are welded and fixed with the positions, corresponding to the strip-shaped grooves (12), of the upper side wall and the lower side wall of the cooling chamber (1) through the folded edges (31).

4. The air intake cooling device of the bag-type dust collector as set forth in claim 1, wherein: the cooling device is characterized in that a mixing chamber (6) is further arranged between the cooling chamber (1) and the air inlet pipe (11), the mixing chamber (6) is of a shell structure, the mixing chamber (6) is communicated with the side wall of the cooling chamber, and the air inlet pipe (11) is communicated with the upper side of the mixing chamber (6).

5. The air intake cooling device of the bag-type dust collector as set forth in claim 4, wherein: the other side of the mixing chamber (6) which is correspondingly communicated with the cooling chamber (1) is provided with an access hole (61) which is sealed by a sealing cover.