CN214274849U

CN214274849U - Exhaust funnel

Info

Publication number: CN214274849U
Application number: CN202120130426.4U
Authority: CN
Inventors: 何浩; 王涛; 贾金燕; 刘晗; 孟祥福; 李亚男
Original assignee: Beris Engineering and Research Corp
Current assignee: Beris Engineering and Research Corp
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-24
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to an exhaust funnel belongs to aiutage technical field, the aiutage is equipped with two at least flue pipelines by the section of thick bamboo section of the mutual fixed connection of multisection on being located the section of thick bamboo surface of bottommost, flue passageway and the inside baffle that is equipped with of section of thick bamboo section, the baffle falls into the space with the same quantity of flue pipeline with section of thick bamboo section inside, and every space is linked together with a flue pipeline. The baffle is additionally arranged in the middle of the large exhaust funnel, the exhaust funnel is divided into two exhaust funnels, each exhaust funnel is respectively communicated with the flue gas pipeline on the outer side, and therefore the exhaust funnel is shared, the number of the exhaust funnels in an industrial area is reduced, the occupied area is small, and the investment is saved.

Description

Exhaust funnel

Technical Field

The utility model belongs to the technical field of the aiutage, specifically relate to an aiutage for ventilation dust pelletizing system.

Background

The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.

With economic sustainability development, industrial plants are slowly moving to suburban areas or away from central cities. In industrial production, structures for exhausting various waste gases from high altitude, such as flues, chimneys, exhaust stacks, washing towers and the like, are indispensable, and the exhaust passages are limited by space positions in most cases. The current general exhaust route is designed to be roughly connected with an exhaust funnel which is vertically upwards and is externally connected with a pipeline, and a plurality of exhaust funnels can be generated in the whole industrial park. Each dust removal system is provided with an exhaust funnel independently, so that land resources are wasted, and the construction cost is increased due to the increase of the material consumption of the cylinders.

SUMMERY OF THE UTILITY MODEL

To the technical problem that prior art exists, the utility model provides an exhaust stack.

The utility model provides an at least embodiment provides an aiutage, the aiutage is by the section of thick bamboo section of the mutual fixed connection of multisection, is located to be equipped with two at least flue pipes on the section of thick bamboo surface of bottommost, flue passageway and the inside baffle that is equipped with of section of thick bamboo section, the baffle falls into the space with the same quantity of flue pipe with section of thick bamboo inside, and every space is linked together with a flue pipe.

Further, two adjacent sections of barrel sections are connected together through welding.

Further, the flue duct intersects the bottommost barrel section eccentrically.

Furthermore, a first stiffening plate is arranged at the joint of the flue gas pipeline and the cylinder body.

Furthermore, a flange plate connected with the ground is arranged on the cylinder section at the bottommost part in the exhaust cylinder, foundation bolt holes are formed in the flange plate, and a second stiffening plate is arranged between the flange plate and the cylinder wall.

Furthermore, an ash cleaning hole is arranged on the outer wall surface of the cylinder section at the bottommost part in the exhaust cylinder.

Furthermore, the outer wall surface of the top of the cylinder section at the uppermost part is welded by angle steel for a circle of stiffening.

Furthermore, the inner wall of the exhaust funnel is welded with angle steel for fixing the partition plate along the height direction.

Furthermore, the partition plate is formed by splicing a plurality of sections of profiled steel plates.

Furthermore, the exhaust funnel is made of weather-resistant structural steel, and the partition plate is made of double-sided galvanized profiled steel sheets.

The utility model has the advantages as follows:

the utility model provides an exhaust funnel which makes each cylinder body in a subsection way, and then fixedly connects each section, and has the characteristics of convenient installation, easy quality guarantee and fast construction speed; and a baffle is added in the middle of a large exhaust funnel, so that one exhaust funnel is divided into two exhaust funnels, and each exhaust funnel is respectively communicated with a flue gas pipeline on the outer side, thereby sharing one exhaust funnel, and having the characteristics of reducing the number of the exhaust funnels in an industrial area, having small occupied area and saving investment.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a front view of a steel structure exhaust funnel provided in this embodiment;

fig. 2 is a schematic axial view of the exhaust funnel of the steel structure according to the present embodiment;

fig. 3 is a top view of the exhaust funnel with a steel structure according to the present embodiment;

fig. 4 is a top view of the exhaust funnel with a steel structure according to the present embodiment;

fig. 5 is a top view of the exhaust funnel with a steel structure according to the present embodiment;

FIG. 6 is a top view of the partition plate of the steel structure exhaust pipe provided in the present embodiment;

fig. 7 is a schematic structural diagram of an inner partition plate of the steel structure exhaust funnel provided in this embodiment;

fig. 8 is a connecting structure diagram of an inner partition plate of the steel structure exhaust duct and an angle steel on the inner wall of the duct body provided in this embodiment;

fig. 9 is a structural diagram of an inner partition plate of the steel structure exhaust funnel according to the present embodiment;

fig. 10 is a connection structure diagram of a splicing node of a medium-pressure profiled steel plate of an inner partition plate of a steel structure exhaust funnel provided in this embodiment.

In the figure: 1. the exhaust pipe comprises an exhaust pipe segment 3, an auxiliary exhaust pipe 4, an ash cleaning hole 5, a pipe body top stiffening plate 6, a baffle plate 61, a profiled steel plate 62, a rivet nail 63, angle steel (or flat steel), 7, a boot beam type foundation bolt 8, a second stiffening plate 9 and a first stiffening plate.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

As shown in fig. 1-2, an embodiment of the present invention provides a compact two-in-one exhaust funnel with a steel structure, which is used when a new industrial project or a reconstruction industrial project is limited by a field, and the exhaust funnel has a close dust removal point, and has a condition that two sets of dust removal systems are arranged in a unified area; the number of devices and pipelines around the exhaust funnel is large, and the condition of building a plurality of exhaust funnels is not met.

Specifically, the exhaust funnel mainly comprises a steel structure exhaust funnel composed of a plurality of exhaust funnel sections 1, wherein three sections are taken as main parts in the embodiment and respectively composed of an upper barrel, a transition section and a lower barrel from top to bottom, the three sections of barrel sections are connected together through welding seams, the segmented barrels are welded at equal strength, and the exhaust funnel is convenient to transport and convenient to install due to the fact that the segmented barrels are divided into a plurality of sections. Meanwhile, it is easy to know that the number of segments of the present embodiment is not limited to three segments, but may be more than three segments.

Connect two supplementary aiutage 3 on the lower part barrel outer wall face in the steel construction aiutage, also be the flue duct of air inlet and outlet stack, the cross-section of supplementary aiutage 3 is the rectangle barrel of uniform cross-section, and these two rectangle barrels all should be as stretching into the inside of lower part barrel, and exceed a part of aiutage inner wall, simultaneously weld on the position that rectangle barrel and aiutage are connected, realize gaseous emission through connecting an aiutage of sharing at a plurality of aiutages like this, reduce the quantity of total aiutage, and then reduce the waste of land resource.

As shown in fig. 3-4, in the present embodiment, the bottom of the outer wall surface of the lower cylinder in the rectangular cylinder is provided with a flange plate, or an annular shoe beam, etc., a plurality of anchor bolt holes are arranged in the circumferential direction on the flange plate, and the bottom of the steel structure exhaust cylinder in the embodiment is fixed on a concrete foundation through anchor bolts 7 of the shoe beam type passing through the bolt holes on the flange plate, so as to fix the whole exhaust cylinder.

Further, in this embodiment, a plurality of second stiffening plates 8 are arranged in the circumferential direction of the flange at the bottom of the steel structure exhaust cylinder, and the stability of the whole cylinder is increased by the second stiffening plates 8.

Preferably, as shown in fig. 5, a ring of cylinder top stiffeners 5 are welded to the top outer side wall of the upper cylinder in the exhaust funnel of the steel structure in the embodiment through angle steel.

Further, as shown in fig. 6, first stiffening plates 9 are disposed around the connecting portion between the rectangular cylinder and the lower cylinder of the exhaust stack in this embodiment, the first stiffening plates 9 are welded to the outer wall surface of the cylinder, and the connecting strength between the rectangular cylinder and the exhaust stack is ensured by these first stiffening plates 9. It should be noted that, in this embodiment, the first stiffening plate 9 is added on the outer side surfaces of the two air inlet pipes and the exhaust funnel, and the two air inlet pipes or the stiffening plates around the two air inlet pipes are not required to be too close to each other, so that a weak link of the funnel wall is avoided.

In addition, it should be noted that the rectangular cylinder in the present embodiment intersects with the lower cylinder in the exhaust cylinder eccentrically, so that the influence of the opening on the cylinder can be reduced.

Preferably, as shown in fig. 1, the bottom outside of the lower cylinder of the exhaust funnel of the steel structure in this embodiment is provided with an ash cleaning hole 4, the elevation position of the ash cleaning hole is not too high, so that the ash cleaning can be conveniently carried out by people, and the position of the ash cleaning hole is arranged near the position of the inner baffle.

Further, as shown in fig. 1, 7 and 8, in the present embodiment, a horizontal baffle 6 is disposed inside the exhaust funnel, and the baffle 6 divides the internal space of the exhaust funnel into an upper portion and a lower portion, wherein the upper portion is communicated with a rectangular cylinder, the lower portion is communicated with a rectangular cylinder, and the two portions are respectively communicated with the rectangular cylinder on the outer wall surface of the exhaust funnel, so that the exhaust funnel can be divided into two spaces by the internal baffle 6, wherein the two spaces are independent and do not affect each other, so that the exhaust of a plurality of gases can be realized by one exhaust funnel.

In order to fix the baffle 6 in the exhaust funnel, a plurality of angle steels (or flat steels) 63 are welded on the inner wall surface of the exhaust funnel along the whole height direction of the exhaust funnel in the embodiment, wherein each angle steel 63 is respectively positioned at the middle position of two rectangular sleeves connected on the outer wall surface.

It is understood that, in other embodiments, the number of the angle steel is not limited to two in this embodiment, and may also be more than two, for example, three rectangular exhaust pipes are connected to the outer wall surface of the exhaust pipe, and then the number of the angle steel is also three, and each angle steel is disposed in the middle of two rectangular exhaust pipes, and then fixed to the three angle steel through a partition plate, and of course, the partition plate is also adjusted accordingly, so that the internal space of the exhaust pipe can be divided into three parts.

Preferably, as shown in fig. 9 and 10, the partition in this embodiment is mainly formed by splicing a plurality of profiled steel sheets 61, which are connected together by a rivet 62, wherein two profiled steel sheets in the length direction of the partition are fixed with angle steel on the inner wall.

Preferably, the exhaust funnel in this embodiment is made of weather-resistant structural steel, and the partition plate is made of a double-sided galvanized profiled steel sheet, so that the exhaust funnel has excellent corrosion resistance and long service life.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The exhaust funnel is characterized in that the exhaust funnel is composed of a plurality of sections of cylinder sections which are fixedly connected with each other, at least two flue pipelines are arranged on the outer surface of the cylinder section at the bottommost part, the flue pipelines are communicated with the inside of the cylinder sections, a partition plate is arranged inside the exhaust funnel, the inside of the cylinder sections is divided into spaces with the same number as the number of the flue pipelines by the partition plate, and each space is communicated with one flue pipeline.

2. The exhaust stack of claim 1 wherein adjacent stack sections are joined by welding.

3. The exhaust stack of claim 1 wherein the flue duct intersects the bottommost stack segment off-center.

4. The exhaust stack of claim 1 wherein the flue gas duct is provided with a first stiffener at the junction with the stack.

5. The exhaust funnel according to claim 1, wherein a flange plate connected to the ground is provided on a bottom-most funnel section of the exhaust funnel, the flange plate is provided with anchor bolt holes, and a second stiffening plate is provided between the flange plate and the funnel wall.

6. The exhaust stack according to claim 1, wherein the outer wall surface of the lowermost stack section of the exhaust stack is provided with dust cleaning holes.

7. The exhaust stack according to claim 1, wherein the outer wall surface of the top portion of the uppermost stack section is welded with a ring of stiffening angle.

8. The exhaust funnel according to claim 1, wherein angle steel for fixing the partition plate is welded to an inner wall of the exhaust funnel in a height direction.

9. The exhaust stack of claim 1 wherein said partitions are formed from a plurality of profiled steel sheets joined together.

10. The exhaust stack of claim 1, wherein the exhaust stack is made of weathering structural steel and the partition is made of double-sided galvanized profiled steel.