CN213559055U

CN213559055U - A flue gas dust extraction for mixing pot row material

Info

Publication number: CN213559055U
Application number: CN202021862581.7U
Authority: CN
Inventors: 朱冰伟; 邢胜佳; 刘俊银; 王银环; 朱元波
Original assignee: Langfang D&g Machinery Technology Co ltd
Current assignee: Langfang D&g Machinery Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-29
Anticipated expiration: 2030-08-31

Abstract

The application provides a flue gas dust collection device for mixing pan discharging, which comprises a dust collection pipe group; the dust collection pipe group comprises a first dust collection pipeline, a second dust collection pipeline, a third dust collection pipeline and a fourth dust collection pipeline which are arranged around the mixing pot discharge opening; the first dust suction pipeline, the second dust suction pipeline, the third dust suction pipeline and the fourth dust suction pipeline are sequentially connected to form a square; the side surfaces of the first dust collection pipeline, the second dust collection pipeline, the third dust collection pipeline and the fourth dust collection pipeline, which face the mixing pot discharge port, are respectively provided with at least one axial flow fan; and an output port is arranged on any one of the first dust suction pipeline, the second dust suction pipeline, the third dust suction pipeline and the fourth dust suction pipeline. This application simple structure, simple to operate can fully absorb dust with the pitch flue gas of mixing the dust that the pot discharge opening produced, and the dust absorption scope is big, and dust absorption effect is good.

Description

A flue gas dust extraction for mixing pot row material

Technical Field

The application relates to the technical field of asphalt mixture stirring equipment, in particular to a flue gas dust collection device for stirring a pot and discharging materials.

Background

At present, the flue gas dust collection of mixing the pot row material is mainly to install the dust absorption horn mouth of trapezium structure additional in mixing pot row material department, then dispose centrifugal fan and be used for the dust absorption again, but this structural design has following problem: 1. due to the limitation of the space under the mixing pot, a centrifugal fan with large air volume is difficult to configure, and the problem of difficult installation exists; 2. the structure of the bell mouth has small dust collection range and poor dust collection effect.

Disclosure of Invention

The utility model aims at the above problem, provide a flue gas dust extraction for mixing pot row material.

The application provides a flue gas dust collection device for mixing pan discharging, which comprises a dust collection pipe group; the dust collection pipe group comprises a first dust collection pipeline, a second dust collection pipeline, a third dust collection pipeline and a fourth dust collection pipeline which are arranged around the mixing pot discharge opening; the first dust suction pipeline, the second dust suction pipeline, the third dust suction pipeline and the fourth dust suction pipeline are sequentially connected to form a square; the side surfaces of the first dust collection pipeline, the second dust collection pipeline, the third dust collection pipeline and the fourth dust collection pipeline, which face the mixing pot discharge port, are respectively provided with at least one axial flow fan; and an output port is arranged on any one of the first dust suction pipeline, the second dust suction pipeline, the third dust suction pipeline and the fourth dust suction pipeline.

According to the technical scheme provided by some embodiments of the present application, the lower surfaces of the first dust suction pipe, the second dust suction pipe, the third dust suction pipe and the fourth dust suction pipe are respectively provided with a soft dustproof curtain.

According to the technical scheme provided by some embodiments of the application, the output port is connected with a main flue gas conveying pipeline; the main flue gas conveying pipeline is connected with a first flue gas conveying branch pipe and a second flue gas conveying branch pipe; the free end of the first flue gas conveying branch pipe is connected with secondary combustion equipment; and the free end of the second flue gas conveying branch pipe is connected with flue gas treatment equipment.

According to the technical scheme that some embodiments of this application provided, be the flexible coupling between the delivery outlet with the flue gas main delivery pipeline.

According to the technical scheme provided by certain embodiments of the application, the secondary combustion equipment is a drying cylinder combustor; the flue gas treatment equipment is UV photolysis equipment.

According to the technical scheme provided by certain embodiments of the application, the first smoke conveying branch pipe is provided with a damper.

According to the technical scheme provided by some embodiments of the application, a third flue gas conveying branch pipe is further connected to the main flue gas conveying pipeline; and the free end of the third flue gas conveying branch pipe is connected with a bag-type dust collector.

According to the technical scheme that some embodiments of this application provided, install pneumatic butterfly valve respectively on first flue gas transport branch pipe, second flue gas transport branch pipe and the third flue gas transport branch pipe.

Compared with the prior art, the beneficial effect of this application: this flue gas dust extraction simple structure, simple to operate connect gradually through setting up around mixing the pot discharge opening and form square first dust absorption pipeline, second dust absorption pipeline, third dust absorption pipeline and fourth dust absorption pipeline to set up at least one axial fan on every dust absorption pipeline, can fully absorb dust with the pitch flue gas with mixing the dust that the pot discharge opening produced, dust absorption scope is big, and dust absorption effect is good.

Drawings

FIG. 1 is a schematic structural diagram of a flue gas dust collection device for mixing pan discharging provided by the embodiment of the application;

FIG. 2 is a schematic top view of a flue gas dust collector for mixing pan discharging provided by the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a dust collection pipe set of the flue gas dust collection device for stirring pan discharging provided by the embodiment of the application;

FIG. 4 is a schematic structural diagram of a first dust suction pipe of the flue gas dust suction device for mixing pan discharging provided by the embodiment of the application;

fig. 5 is a schematic structural diagram of a second dust suction pipeline of the flue gas dust suction device for mixing pan discharging provided by the embodiment of the application.

The text labels in the figures are represented as:

1. a dust collection pipe set; 2. a first dust extraction duct; 3. a second dust suction duct; 4. a third dust suction duct; 5. a fourth dust suction duct; 6. an axial flow fan; 7. an output port; 8. a dust-proof soft curtain; 9. a main flue gas conveying pipeline; 10. a first flue gas delivery leg; 11. a second flue gas conveying branch pipe; 12. a secondary combustion device; 13. flue gas treatment equipment; 14. an air damper; 15. a third flue gas delivery leg; 16. a bag-type dust collector; 17. a pneumatic butterfly valve; 18. a mixing pot discharge port.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1 to 5, the present embodiment provides a flue gas dust collection device for mixing pan discharging, including a dust collection pipe set 1; the dust collection pipe group 1 comprises a first dust collection pipe 2, a second dust collection pipe 3, a third dust collection pipe 4 and a fourth dust collection pipe 5 which are arranged around the mixing pot discharge opening 18; the first dust suction pipeline 2, the second dust suction pipeline 3, the third dust suction pipeline 4 and the fourth dust suction pipeline 5 are sequentially connected to form a square; the side surfaces of the first dust collection pipeline 2, the second dust collection pipeline 3, the third dust collection pipeline 4 and the fourth dust collection pipeline 5 facing the mixing pan discharge port 18 are respectively provided with at least one axial flow fan 6, and the axial flow fans 6 are used for dust collection of dust and asphalt smoke; an output port 7 is arranged on any one of the first dust absorption pipeline 2, the second dust absorption pipeline 3, the third dust absorption pipeline 4 and the fourth dust absorption pipeline 5, in this embodiment, the second dust absorption pipeline 3, the third dust absorption pipeline 4 and the fourth dust absorption pipeline 5 are sequentially communicated, and the output port 7 is arranged on the first dust absorption pipeline 2 and is used for collecting the smoke absorbed by the axial flow fans on the dust absorption pipelines to a smoke conveying main pipeline.

Furthermore, the lower surfaces of the first dust suction pipeline 2, the second dust suction pipeline 3, the third dust suction pipeline 4 and the fourth dust suction pipeline 5 are respectively provided with a dustproof soft curtain 8, and the dustproof soft curtain 8 is used for preventing the smoke from diffusing all around.

Further, the output port 7 is connected with a main flue gas conveying pipeline 9; the main flue gas conveying pipeline 9 is connected with a first flue gas conveying branch pipe 10 and a second flue gas conveying branch pipe 11; the free end of the first flue gas conveying branch pipe 10 is connected with a secondary combustion device 12; the free end of the second flue gas conveying branch pipe 11 is connected with a flue gas treatment device 13.

Further, the delivery outlet 7 and the main flue gas conveying pipeline 9 are in flexible connection, and in this embodiment, the implementation method of the flexible connection is as follows: respectively sleeving the cloth bags on the pipelines at the two ends of the cloth bags, and fastening the end openings by using hoops; the flexible connection can be conveniently and quickly installed, and errors caused by manufacturing and installation can be offset.

Further, the secondary combustion device 12 is a drying cylinder burner; the flue gas treatment equipment 13 is UV photolysis equipment; it should be noted that other post-combustion devices 12 and flue gas treatment devices 13 may be provided according to actual needs.

Furthermore, the first flue gas conveying branch pipe 10 is provided with an air damper 14 for adjusting the air volume entering the secondary combustion equipment 12, so as to prevent the combustion of the combustor from being affected by the excessive flue gas volume.

Further, the main flue gas conveying pipeline 9 is also connected with a third flue gas conveying branch pipe 15; the free end of the third flue gas conveying branch pipe 15 is connected with a bag-type dust collector 16.

Further, the first flue gas conveying branch pipe 10, the second flue gas conveying branch pipe 11 and the third flue gas conveying branch pipe 15 are respectively provided with a pneumatic butterfly valve 17 for respectively controlling the opening and closing of the three flue gas conveying branch pipes.

The flue gas dust collection device for mixing pot discharge provided by the embodiment of the application has the advantages that the structure is simple, the installation is convenient, the first dust collection pipeline, the second dust collection pipeline, the third dust collection pipeline and the fourth dust collection pipeline which are sequentially connected to form a square shape are arranged on the periphery of the mixing pot discharge opening, at least one axial flow fan is arranged on each dust collection pipeline, dust and asphalt flue gas generated by the mixing pot discharge opening can be fully collected and collected to the flue gas conveying main pipeline through the output opening for treatment, the dust collection range is large, and the dust collection effect is good; the dust-proof soft curtains are arranged below the dust-absorbing pipelines, so that the smoke can be prevented from diffusing to the periphery; the main flue gas conveying pipeline is connected with the secondary combustion equipment, the flue gas treatment equipment and the bag-type dust collector, so that the method can be applied to different scenes, when asphalt mixture is produced, the produced asphalt flue gas can be introduced into the secondary combustion equipment or the flue gas treatment equipment for treatment according to actual needs, and when a pot is washed, the produced white dust is introduced into the bag-type dust collector for treatment; the flexible connection is arranged between the output port and the main flue gas conveying pipeline, so that the installation is convenient and rapid, and errors caused by manufacturing and installation can be offset; through setting up air damper, can be used to adjust the amount of wind that gets into secondary combustion equipment to avoid the burning of too big influence combustor of flue gas volume.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. A flue gas dust collection device for mixing pan discharging is characterized by comprising a dust collection pipe group (1); the dust collection pipe group (1) comprises a first dust collection pipeline (2), a second dust collection pipeline (3), a third dust collection pipeline (4) and a fourth dust collection pipeline (5) which are arranged around a mixing pot discharge opening (18); the first dust suction pipeline (2), the second dust suction pipeline (3), the third dust suction pipeline (4) and the fourth dust suction pipeline (5) are sequentially connected to form a square; the side surfaces of the first dust suction pipeline (2), the second dust suction pipeline (3), the third dust suction pipeline (4) and the fourth dust suction pipeline (5) facing the mixing pot discharge opening (18) are respectively provided with at least one axial flow fan (6); an output port (7) is arranged on any one of the first dust suction pipeline (2), the second dust suction pipeline (3), the third dust suction pipeline (4) and the fourth dust suction pipeline (5).

2. The flue gas dust collection device for mixing pan discharging of claim 1, wherein the lower surfaces of the first dust collection pipeline (2), the second dust collection pipeline (3), the third dust collection pipeline (4) and the fourth dust collection pipeline (5) are respectively provided with a dustproof soft curtain (8).

3. The flue gas dust collection device for mixing pan discharge as claimed in claim 1, wherein the outlet (7) is connected to a main flue gas delivery pipe (9); the main flue gas conveying pipeline (9) is connected with a first flue gas conveying branch pipe (10) and a second flue gas conveying branch pipe (11); the free end of the first flue gas conveying branch pipe (10) is connected with secondary combustion equipment (12); the free end of the second flue gas conveying branch pipe (11) is connected with flue gas treatment equipment (13).

4. The flue gas dust collection device for mixing pan discharging of claim 3, wherein the output port (7) is in flexible connection with the main flue gas conveying pipeline (9).

5. The flue gas dust extraction device for mixing pan discharge of claim 3, characterized in that the secondary combustion equipment (12) is a drying drum burner; the flue gas treatment equipment (13) is UV photolysis equipment.

6. The flue gas dust collector for mixing pan discharge as claimed in claim 3, characterized in that the first flue gas delivery branch (10) is provided with a damper (14).

7. The flue gas dust collection device for mixing pan discharging as claimed in claim 3, wherein a third flue gas delivery branch pipe (15) is further connected to the flue gas delivery main pipe (9); the free end of the third flue gas conveying branch pipe (15) is connected with a bag-type dust collector (16).

8. The flue gas dust collection device for mixing pan discharging of claim 7, wherein the first flue gas delivery branch pipe (10), the second flue gas delivery branch pipe (11) and the third flue gas delivery branch pipe (15) are respectively provided with a pneumatic butterfly valve (17).