CN216856183U

CN216856183U - Kiln tail gas dust collector of metallurgical kiln

Info

Publication number: CN216856183U
Application number: CN202220235858.6U
Authority: CN
Inventors: 汪全全; 金华绍; 黄政; 姚运恒
Original assignee: FENGYANG ZHONGDU CEMENT CO LTD
Current assignee: FENGYANG ZHONGDU CEMENT CO LTD
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-01
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to a kiln tail gas dust collector of a metallurgical kiln. The metallurgical kiln comprises a main kiln body, an auxiliary kiln body, a dust collection cover and a water tank, wherein the main kiln body is rotatably connected with the auxiliary kiln body, gas collection covers are sleeved on the outer surfaces of the main kiln body and the auxiliary kiln body, a feed inlet is formed in the surface of the main kiln body, an outer ring is fixedly connected to the outer surface of the main kiln body, the outer ring is rotatably connected with the gas collection covers through movable rings, and the gas collection covers are communicated with the dust collection covers through gas pumps and exhaust pipes. The top of the dust collection cover is provided with an air outlet pipe, and the bottom of the dust collection cover is provided with a water outlet pipe. The utility model can ensure the sealing performance between the gas-collecting hood and the main kiln body and between the gas-collecting hood and the auxiliary kiln body through the matching among the outer ring, the movable ring and the sealing ring, further increases the sealing performance on tail gas and dust, and ensures the working environment of a workshop.

Description

Kiln tail gas dust collector of metallurgical kiln

Technical Field

The utility model belongs to the technical field of metallurgical kilns, and particularly relates to a kiln tail gas dust collector of a metallurgical kiln.

Background

Metallurgical kilns are important components for mixing a variety of materials to allow reactions between the materials to produce a desired product. The metallurgical kiln comprises a main kiln body and an auxiliary kiln body, wherein one end of the main kiln body is rotatably arranged in the auxiliary kiln body, and a charging hole is formed in the main kiln body. During operation, firstly, different types of materials are respectively heated in the heating furnace, the materials are heated and then put into the main kiln body through the charging opening, then the charging opening is closed, then the main kiln body is rotated, the materials are fully mixed, a large amount of tail gas is generated by reaction after mixing, the tail gas and dust can overflow from a gap between the main kiln body and the auxiliary kiln body, the overflowed tail gas and dust are distributed in a workshop, the working environment is polluted, and the environmental pollution is also caused.

Chinese patent (201820385265.1) discloses a kiln tail gas dust collector of metallurgical kiln, it includes the main kiln body and the vice kiln body, is provided with the charge door on the main kiln body, the left end portion and the vice kiln body clearance fit of the main kiln body, and tail gas dust collector still includes water dust collector, fan and protection casing, and the protection casing wraps up in the outside of the main kiln body and the contact department of vice kiln body, and the one end and the protection casing intercommunication of fan, the other end of fan is connected with water dust collector. However, the protective cover is wrapped between the main kiln body and the auxiliary kiln body, gaps still exist between the protective cover and the main kiln body and between the protective cover and the auxiliary kiln body, and a lot of tail gas and dust still overflow.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a kiln tail gas dust collector of a metallurgical kiln, which solves the problems in the prior art.

The purpose of the utility model can be realized by the following technical scheme:

the kiln tail gas dust collector of the metallurgical kiln comprises a main kiln body, an auxiliary kiln body, a dust collecting hood and a water tank, wherein the main kiln body is rotatably connected with the auxiliary kiln body, the outer surfaces of the main kiln body and the auxiliary kiln body are sleeved with a gas collecting hood, a feed inlet is formed in the surface of the main kiln body, an outer ring is fixedly connected to the outer surface of the main kiln body, the outer ring is rotatably connected with the gas collecting hood through a movable ring, and the gas collecting hood is communicated with the dust collecting hood through an air pump and an exhaust pipe.

Preferably, the top of the dust collection cover is provided with an air outlet pipe, and the bottom of the dust collection cover is provided with a water outlet pipe.

Preferably, the inner wall of the dust collection cover is fixedly provided with an annular water collection cover, and the water tank is communicated with the annular water collection cover through a water inlet pipe and a water pump.

Preferably, the inner ring of the annular water collecting cover is uniformly provided with spray heads.

Preferably, a plurality of circular filter plates are uniformly arranged on the inner wall between the annular water collecting covers.

Preferably, a sealing ring is arranged between the gas-collecting hood and the auxiliary kiln body.

The utility model has the beneficial effects that: the utility model can ensure the sealing performance between the gas-collecting hood and the main kiln body and between the gas-collecting hood and the auxiliary kiln body through the matching among the outer ring, the movable ring and the sealing ring, further increases the sealing performance on tail gas and dust, and ensures the working environment of a workshop.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a kiln tail gas dust collector of a metallurgical kiln.

Fig. 2 is a partial enlarged view of the utility model at a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a main kiln body; 2. a secondary kiln body; 3. a dust collection cover; 4. a water tank; 5. a gas-collecting hood; 6. a feed inlet; 7. an outer ring; 8. a movable ring; 9. an air pump; 10. an exhaust pipe; 11. an air outlet pipe; 12. an annular water collection cover; 13. a water outlet pipe; 14. a water pump; 15. a spray head; 16. a circular filter plate; 17. a seal ring; 18. and (4) water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the utility model relates to a kiln tail gas dust collector of a metallurgical kiln, which comprises a main kiln body 1, an auxiliary kiln body 2, a dust collecting hood 3 and a water tank 4, wherein the main kiln body 1 is rotatably connected with the auxiliary kiln body 2, the outer surfaces of the main kiln body 1 and the auxiliary kiln body 2 are sleeved with a gas collecting hood 5, the surface of the main kiln body 1 is provided with a feed inlet 6, the outer surface of the main kiln body 1 is fixedly connected with an outer ring 7, the outer ring 7 is rotatably connected with the gas collecting hood 5 through a movable ring 8, and the gas collecting hood 5 is communicated with the dust collecting hood 3 through a gas pump 9 and an exhaust pipe 10. A sealing ring 17 is arranged between the gas-collecting hood 5 and the auxiliary kiln body 2.

In this embodiment, when the main kiln body 1 and the auxiliary kiln body 2 rotate relatively, the outer ring 7 on the outer surface of the main kiln body 1 and the gas-collecting hood 5 rotate through the movable ring 8, so as to ensure the sealing property between the main kiln body 1 and the gas-collecting hood 5, start the air pump 9, and the air pump 9 pumps dust in the kiln body into the dust-collecting hood 3 through the exhaust pipe 10.

The top of the dust collection cover 3 is provided with an air outlet pipe 11, and the bottom of the dust collection cover 3 is provided with a water outlet pipe 13. An annular water collecting cover 12 is fixedly arranged on the inner wall of the dust collecting cover 3, and the water tank 4 is communicated with the annular water collecting cover 12 through a water inlet pipe 18 and a water pump 14. The inner ring of the annular water collecting cover 12 is evenly provided with spray heads 15.

In this embodiment, the water pump 14 pumps the water inside the water tank 4 into the annular water collecting cover 12 through the water inlet pipe 18, and the water is sprayed out towards the inside of the dust collecting cover 3 through the spray head 15, so as to spray the tail gas.

A plurality of circular filter plates 16 are uniformly arranged on the inner wall between the annular water collecting covers 12.

In this embodiment, tail gas is discharged from one side of dust hood 3 bottom through blast pipe 10, and tail gas upwards drifts along dust hood 3, and when tail gas rises, circular filter 16 can reduce the speed that tail gas rises to improve the contact time of tail gas and shower water, guarantee that tail gas can fully be absorbed, tail gas after the purification is discharged from outlet duct 11, and sewage is discharged from outlet pipe 13.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a kiln tail gas dust collector of metallurgical kiln which characterized in that: the kiln comprises a main kiln body (1), an auxiliary kiln body (2), a dust collection cover (3) and a water tank (4), wherein the main kiln body (1) is rotatably connected with the auxiliary kiln body (2), a gas collection cover (5) is sleeved on the outer surfaces of the main kiln body (1) and the auxiliary kiln body (2), a feed inlet (6) is formed in the surface of the main kiln body (1), an outer ring (7) is fixedly connected to the outer surface of the main kiln body (1), the outer ring (7) is rotatably connected with the gas collection cover (5) through a movable ring (8), and the gas collection cover (5) is communicated with the dust collection cover (3) through a gas pump (9) and an exhaust pipe (10).

2. The kiln tail gas dust collector of the metallurgical kiln as set forth in claim 1, characterized in that: an air outlet pipe (11) is arranged at the top of the dust collection cover (3), and a water outlet pipe (13) is arranged at the bottom of the dust collection cover (3).

3. The kiln tail gas dust collector of the metallurgical kiln as set forth in claim 1, characterized in that: the inner wall fixed mounting of dust collecting cover (3) has annular water collecting cover (12), water tank (4) and annular water collecting cover (12) between communicate through inlet tube (18) and water pump (14).

4. The kiln tail gas dust collector of the metallurgical kiln as claimed in claim 3, characterized in that: and the inner ring of the annular water collecting cover (12) is uniformly provided with spray heads (15).

5. The kiln tail gas dust collector of the metallurgical kiln as claimed in claim 3, characterized in that: a plurality of circular filter plates (16) are uniformly arranged on the inner wall between the annular water collecting covers (12).

6. The kiln tail gas dust collector of the metallurgical kiln as set forth in claim 1, characterized in that: and a sealing ring (17) is arranged between the gas-collecting hood (5) and the auxiliary kiln body (2).