CN219128750U

CN219128750U - Dust removing device for kiln tail

Info

Publication number: CN219128750U
Application number: CN202223426444.0U
Authority: CN
Inventors: 韩镇岐; 罗小宝; 薛勇
Original assignee: Jiangyou Hongshi Cement Co ltd
Current assignee: Jiangyou Hongshi Cement Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-06
Anticipated expiration: 2032-12-20

Abstract

The utility model provides a dust collector for kiln tail relates to kiln tail smoke and dust treatment facility field, including support and box, box one side is equipped with the inlet with kiln tail flue is connected, the opposite side of box is equipped with out the mouth, the air exhauster is installed to the mouth, cut apart into the filter chamber of a plurality of intercommunications in the box, the bottom of filter chamber is equipped with unloads the ash bucket, be equipped with filter bag and skeleton in the filter chamber, the rear side of box is equipped with compressed air trunk, compressed air trunk connection has many evenly arranged's compressed air branch pipe, compressed air branch pipe extends to in the filter chamber, the upper portion of filter bag with compressed air branch pipe is connected, compressed air branch pipe be equipped with the gas outlet of filter bag intercommunication, install the pulse valve on the compressed air trunk, the inlet with the mouth all is equipped with the differential pressure gauge, and this utility model simple structure effectively reduces kiln tail smoke and dust and discharges into the atmosphere, improves atmospheric environment quality.

Description

Dust removing device for kiln tail

Technical Field

The application relates to the field of smoke and dust treatment equipment, in particular to a dust removal device for kiln tails.

Background

The cement kiln has the unique inherent advantages of high-temperature calcination, strong alkaline atmosphere and the like, and through the high-temperature incineration and the cement clinker mineralization sintering process, hazardous waste toxic property decomposition, degradation, elimination, inertization and stabilization are realized, and meanwhile, the waste disposal means for reutilizing useful components can effectively inhibit the generation of secondary pollutants such as dioxin in the disposal process, realize the full-quantity treatment and comprehensive utilization of solid wastes, and reduce the resource energy consumption.

However, cement kilns generate a great amount of smoke dust during calcination, and in order to further reduce the emission of atmospheric pollutants in cement clinker manufacturing enterprises and improve the quality of the atmospheric environment, a dust removing device for kiln tails is necessary to be provided.

Disclosure of Invention

An object of the embodiment of the application is to provide a dust collector for kiln tail, which can solve the technical problem that the background technology proposed.

The embodiment of the application provides a dust collector for kiln tail, which comprises a bracket and a box body, the box is installed on the support, box one side is equipped with the inlet with kiln tail flue connection, the opposite side of box is equipped with out the mouth, the air exhauster is installed to the mouth, cut apart into the filter chamber of a plurality of intercommunications in the box, the bottom of filter chamber is equipped with unloads the ash bucket, be equipped with filter bag and skeleton in the filter chamber, the filter bag is installed on the skeleton, the skeleton welding is in on the inner wall of box, the rear side of box is equipped with the compressed air dry tube, the compressed air dry tube is connected with many compressed air branch pipes of homogeneous arrangement, the compressed air branch pipe extends to in the filter chamber, the upper portion of filter bag with compressed air branch tube connects, the compressed air branch pipe be equipped with the gas outlet of filter bag intercommunication, install the pulse valve on the compressed air dry tube, the inlet with the mouth all is equipped with the differential pressure gauge.

Further, the smoke inlet is provided with an air distribution plate.

Further, a dust discharge valve is arranged at the dust discharge port of the dust discharge hopper.

Further, the filter bag is made of glass fiber coated filter materials.

Further, the front side of the box body is provided with an access hole.

Further, an air outlet of the exhaust fan is connected with a foam dust remover.

The utility model has the beneficial effects that:

the utility model is characterized in that a smoke inlet connected with a kiln tail flue is arranged on one side of a box body, a smoke outlet is arranged on the other side of the box body, an exhaust fan is arranged at the smoke outlet, the box body is divided into a plurality of communicated filter chambers, an ash discharging pipe is arranged at the bottom of each filter chamber, a filter bag and a framework are arranged in each filter chamber, the filter bags are arranged on the framework, the framework is welded on the inner wall of the box body, kiln tail smoke enters the filter chamber through the smoke inlet and is filtered by the filter bags in the filter chambers and is pumped out of the smoke outlet by the exhaust fan, a compressed air dry pipe is arranged at the rear side of the box body and is connected with a plurality of compressed air branch pipes which are uniformly arranged, the compressed air branch pipes extend into the filter chambers, the upper parts of the filter bags are connected with the compressed air branch pipes, the compressed air branch pipe is provided with an air outlet communicated with the filter bag, the compressed air main pipe is provided with a pulse valve, the smoke inlet and the smoke outlet are both provided with differential pressure meters, the differential pressure meters are used for detecting the pressure difference in the box body, the dust accumulation of the filter bag causes the resistance in the box body to be increased, when the pressure difference reaches the preset threshold value of the differential pressure meters, the pulse valve is opened, compressed air flows from the compressed air main pipe to the compressed air branch pipe, the air outlet of the compressed air branch pipe is flushed into the filter bag, the filter bag is deformed and vibrated, the effect of the reverse airflow is added, the dust adhered to the filter bag is removed and falls into the dust discharging hopper to be discharged, the whole device has a simple structure, the smoke dust at the tail of the kiln is effectively reduced to be discharged into the atmosphere, and the atmospheric environment quality is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

fig. 4 is an enlarged partial schematic view of fig. 3A.

The reference numerals are respectively:

1. a bracket; 2. a case; 3. a smoke inlet; 4. a smoke outlet; 5. an exhaust fan; 6. a filtering chamber; 7. an ash discharge hopper; 8. a filter bag; 9. a skeleton; 10. a compressed air main; 11. a compressed air branch pipe; 12. a pulse valve; 13. a differential pressure gauge; 14. a wind distribution plate; 15. a dust discharge valve; 16. an access opening; 17. a foam dust remover.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the product of the application, are merely for convenience of description of the present application and simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Specific examples:

as shown in figures 1-4, the utility model provides a dust removing device for kiln tail, comprising a bracket 1 and a box body 2, wherein the box body 2 is arranged on the bracket 1, one side of the box body 2 is provided with a smoke inlet 3 connected with a kiln tail flue, the other side of the box body 2 is provided with a smoke outlet 4, the smoke outlet 4 is provided with an exhaust fan 5, the box body 2 is divided into a plurality of communicated filter chambers 6, in the embodiment, the box body 2 is divided into three communicated filter chambers 6, the bottom of the filter chambers 6 is provided with an ash discharging hopper 7, the filter chambers 6 are internally provided with filter bags 8 and a framework 9, the filter bags 8 are arranged on the framework 9, the framework 9 is welded on the inner wall of the box body 2, the rear side of the box body 2 is provided with a compressed air dry pipe 10, the compressed air dry pipe 10 is connected with a plurality of compressed air branch pipes 11 which are uniformly arranged, and the compressed air branch pipes 11 extend into the filter chambers 6, the upper portion of filter bag 8 is connected with compressed air branch pipe 11, compressed air branch pipe 11 is equipped with the gas outlet that communicates with filter bag 8, install pulse valve 12 on the compressed air main pipe 10, inlet 3 and outlet 4 all are equipped with differential pressure gauge 13, kiln tail flue gas gets into filter chamber 6 through inlet 3, filter by filter bag 8 in filter chamber 6 and follow outlet 4 to take out by air exhauster 5 after filtering, the dust accumulation of filter bag 8 leads to the resistance in box 2 to increase, when reaching differential pressure gauge 13's preset threshold, pulse valve 12 opens, compressed air flows from compressed air main pipe 10 to compressed air branch pipe 11, pour into filter bag 8 by the gas outlet of compressed air branch pipe 11, make filter bag 8 take place deformation and vibration, the effect of reverse air current is added, the dust of adhesion on filter bag 8 just falls into and unloads ash bucket 7 and discharges.

As shown in fig. 3, the smoke inlet 3 is provided with a wind distribution plate 14, and the smoke at the tail of the kiln uniformly enters the filtering chamber 6 for filtering through the wind distribution plate 14.

As shown in fig. 3, the dust discharge port of the dust hopper 7 is provided with a dust discharge valve 15, the dust discharge valve 15 is closed under the normal filtering state of the filter bag 8 to prevent the kiln tail flue gas from being discharged from the dust discharge port of the dust hopper 7, and when ash is required to be removed, the dust discharge valve 15 is opened to discharge the dust blown down from the filter bag 8 to the dust hopper 7.

As shown in fig. 3 and 4, the filter bag 8 is made of glass fiber coated filter material, and the service life of the device is prolonged by utilizing the high temperature and corrosion resistance characteristics of the glass fiber coated filter material.

As shown in fig. 1, the front side of the box body 2 is provided with an access hole 16, and the interior of the box body 2 can be overhauled through the access hole 16, so that when a fault occurs, the maintenance is convenient.

As shown in fig. 1-3, the air outlet of the exhaust fan 5 is connected with a foam dust remover 17, the filtered smoke dust is further filtered by the foam dust remover 17, and foam sprayed by the foam dust remover 17 is combined with fine dust in the smoke gas, so that the fine dust in the smoke gas is separated from the gas under the action of gravity, and the smoke gas is further filtered and purified.

Working principle: the dust exhaust valve 15 is closed, kiln tail flue gas uniformly enters the filter chamber 6 from the smoke inlet 3 through the air distribution plate 14, is filtered by the filter bag 8 and is pumped out by the exhaust fan 5 of the smoke outlet 4, is further filtered by the foam dust remover 17 and is discharged into the atmosphere, when the resistance in the box body 2 reaches the preset threshold value of the differential pressure gauge 13, the pulse valve 12 is opened, compressed air flows from the compressed air main pipe 10 to the compressed air branch pipe 11, and flows into the filter bag 8 from the air outlet of the compressed air branch pipe 11, so that the filter bag 8 deforms and vibrates, and under the action of reverse airflow, dust adhered to the filter bag 8 is removed and falls into the dust discharge hopper 7, the dust exhaust valve 15 is opened, and when maintenance is needed, the maintenance is carried out through the maintenance hole 16.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A dust collector for kiln tail, its characterized in that: including support and box, the box is installed on the support, box one side is equipped with the inlet that is connected with kiln tail flue, the opposite side of box is equipped with out the mouth, the air exhauster is installed to the mouth that goes out, cut apart into the filter chamber of a plurality of intercommunications in the box, the bottom of filter chamber is equipped with unloads the ash bucket, be equipped with filter bag and skeleton in the filter chamber, the filter bag is installed on the skeleton, the skeleton welding is in on the inner wall of box, the rear side of box is equipped with compressed air dry pipe, compressed air dry pipe is connected with many compressed air branch pipes of evenly arranging, compressed air branch pipe extends to in the filter chamber, the upper portion of filter bag with compressed air branch pipe connects, compressed air branch pipe be equipped with the gas outlet of filter bag intercommunication, install the pulse valve on the compressed air dry pipe, the inlet with the mouth that goes out all is equipped with the differential pressure gauge.

2. The kiln tail dust removal device according to claim 1, wherein: the smoke inlet is provided with an air distribution plate.

3. The kiln tail dust removal device according to claim 1, wherein: the dust discharge opening of the dust discharge hopper is provided with a dust discharge valve.

4. The kiln tail dust removal device according to claim 1, wherein: the filter bag is made of glass fiber coated filter materials.

5. The kiln tail dust removal device according to claim 1, wherein: the front side of the box body is provided with an access hole.

6. The kiln tail dust removal device according to claim 1, wherein: and an air outlet of the exhaust fan is connected with a foam dust remover.