CN214764421U

CN214764421U - Flow equalizing structure of flow guide pipe cluster in tower

Info

Publication number: CN214764421U
Application number: CN202120681029.6U
Authority: CN
Inventors: 钱卫强; 谢建; 姜伟
Original assignee: CISDI Research and Development Co Ltd
Current assignee: CISDI Technology Research Center Co Ltd; CISDI Research and Development Co Ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-19
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to a honeycomb duct clump structure of flow equalizing in tower belongs to iron and steel smelting environmental protection technical field. Including the bracket, this bracket passes through support horizontal installation on the internal face of tower body, is equipped with the apron that can cover whole tower body internal cross-section on the bracket, and a plurality of honeycomb duct interval is worn to establish on the apron in order to form the honeycomb duct clump, and this honeycomb duct clump is located the center department of tower body. The flow-equalizing structure of the flow-guiding pipe cluster in the tower is simple and reliable, safe to use, convenient to overhaul and maintain and low in manufacturing cost. Can be used for the interior flue gas of tower body to flow equalize the flow and handle reliably, no matter be "from the flue gas that up flows down", still "from the flue gas that down flows" all can adapt to, especially be applicable in places such as medium condition abominable, production maintenance difficulty.

Description

Flow equalizing structure of flow guide pipe cluster in tower

Technical Field

The utility model belongs to the technical field of steel smelting environmental protection, concretely relates to honeycomb duct clump flow equalizing structure in tower.

Background

The technical fields of dust removal, temperature reduction, desulfurization, deacidification, dechlorination, noise reduction and the like in the steel industry all relate to the problem of flow equalization in a tower body, and whether the flow field in the tower is uniform or not is a key factor influencing the effects of energy conservation and emission reduction. In the engineering practical application in the field, the working condition flow of general flue gas is very big, and it is limited to improve the effect of air current (for example, increase the barrel with reduced velocity of flow, extension barrel with increase flow equalizing time etc.) through improve equipment self ability, and increased the engineering investment, the economic nature is relatively poor.

Flow equalization of a flow guide pipe cluster is a flow equalization scheme with a good effect, but the flow guide pipe cluster is generally used in a large-diameter cylinder, so that the problems of severe medium conditions (such as strong medium acid corrosion, dust blockage and the like), difficult production and maintenance and the like exist. Therefore, the design of a safe, reliable and easy-to-maintain flow equalizing structural form of the flow guide pipe cluster is a key for popularization and application.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a flow equalizing structure for flow guiding tube bundle in tower, so as to solve the disadvantages of the current devices.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a honeycomb duct clump structure of flow equalizing in tower, includes the bracket, and this bracket passes through support horizontal installation on the internal face of tower body, is equipped with the apron that can cover whole tower body internal cross-section on the bracket, and a plurality of honeycomb duct interval is worn to establish on the apron in order to form the honeycomb duct clump, and this honeycomb duct clump is located the center department of tower body.

Further, the bracket comprises a main beam and secondary beams, wherein the main beams are connected to form a rectangular main frame structure, and the secondary beams are arranged in a staggered mode to divide the main frame structure into a plurality of sub-regions.

Furthermore, the cover plate is provided with a plurality of blocks which are correspondingly arranged on each subarea.

Furthermore, pipe holes for installing the flow guide pipe are formed in part of the cover plate, and a water outlet is formed in part of the cover plate.

Further, the support comprises a main bearing support and a secondary bearing support, wherein the main bearing support is arranged at the end of the main beam, and the secondary bearing support is arranged at the end of the secondary beam.

Furthermore, the main beam adopts I-shaped steel, channel steel or H-shaped steel, and the secondary beam adopts I-shaped steel, channel steel, H-shaped steel or angle steel.

Furthermore, the upper port of each flow guide pipe is covered with a metal net.

Further, a protective net covers the upper part of the metal net.

Furthermore, the honeycomb duct is hung on the cover plate through a support lug on the upper portion of the honeycomb duct, and the protective net, the metal net and the support lug are detachably connected through a connecting piece.

Further, the protective net is arch-shaped.

The beneficial effects of the utility model reside in that:

the flow-equalizing structure of the flow-guiding pipe cluster in the tower is simple and reliable, safe to use, convenient to overhaul and maintain and low in manufacturing cost. Can be used for the interior flue gas of tower body to flow equalize the flow and handle reliably, no matter be "from the flue gas that up flows down", still "from the flue gas that down flows" all can adapt to, especially be applicable in places such as medium condition abominable (such as medium acid corrosion is strong, dust blocks up etc.), production maintenance difficulty.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a top view of the current equalizing structure;

FIG. 2 is a schematic structural view of a bracket;

FIG. 3 is a three-dimensional effect diagram of the cover plate and the draft tube;

fig. 4 is a schematic view of the cooperation of the draft tube with the cover plate, the metal mesh and the protective net.

Reference numerals:

the device comprises a bracket 1, a cover plate 2, a flow guide pipe 3, a support lug 4, a metal net 5, a protective net 6 and a tower body 7; a main beam 11, a secondary beam 12, a main bearing support 13 and a secondary bearing support 14; a water discharge port 21; a connecting member 31.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 4, a flow equalizing structure for a flow guide tube bundle in a tower includes a bracket 1, the bracket 1 is horizontally mounted on an inner wall surface of a tower body 7 through a support, a cover plate 2 covering an inner cross section of the whole tower body 7 is disposed on the bracket 1, and a plurality of flow guide tubes 3 are disposed on the cover plate 2 at intervals to form a flow guide tube bundle, the flow guide tube bundle is located at a center of the tower body 7.

Specifically, the bracket 1 is formed by combining section steels and comprises a main beam 11 and a secondary beam 12, wherein the main beam 11 can be made of I-steel, channel steel or H-shaped steel, and the secondary beam 12 can be made of I-steel, channel steel, H-shaped steel or angle steel. The main beams 11 are connected to form a rectangular main frame structure, and the secondary beams 12 are arranged in a staggered manner to divide the main frame structure into a plurality of different sub-regions in the shapes of rectangles or trapezoids and the like. The support is formed by welding steel plates and comprises a main bearing support 13 and a secondary bearing support 14, wherein the main bearing support 13 is arranged at the end of the main beam 11, and the secondary bearing support 14 is arranged at the end of the secondary beam 12. The main bearing support 13 and the secondary bearing support 14 are both fixed on the inner wall of the tower body 7 and used for supporting the bracket 1. The cover plate 2 is made of steel plate and is fixedly (preferably welded) on the bracket 1 to ensure that the cover plate 2 can cover the inner circular section of the whole tower body 7, so as to block flue gas and change air flow to realize flow equalization and serve as a production maintenance platform. The draft tube 3 is provided with a plurality of draft tubes which are arranged on the cover plate 2 at intervals to form a draft tube bundle and allow the flue gas to pass through.

Preferably, the cover plate 2 has a plurality of pieces, which are correspondingly arranged on each sub-area. I.e. each cover plate 2 has a profile similar to the corresponding sub-area of the carrier 1 and slightly larger than the latter, with a gap between adjacent cover plates, so that the cover plates can be welded to the carrier 1. The external dimension of each cover plate is smaller than the dimension of a manhole or a channel of the tower body where the cover plate is located, so that the cover plate can be replaced during production and maintenance. The partial cover plate 2 (close to the center of the tower body) is provided with pipe holes for installing the guide pipes 3, so that the guide pipes are distributed on the central section close to the tower body; a water outlet 21 is arranged on part of the cover plate 2 and is used for draining accumulated water on the upper part of the cover plate during maintenance.

Preferably, the upper portion of the draft tube 3 is provided with a support lug 4, and the draft tube 3 is hung on the tube hole of the cover plate through the support lug 4. The support lugs 4 and the honeycomb duct 3 are made of the same material and are integrally formed so as to meet the strength requirement. The honeycomb duct 3 can be made of corrosion-resistant, high-temperature-resistant, high-strength and low-density plastic, so that the load can be reduced. Of course, the material of the draft tube 3 may also be carbon steel or stainless steel.

Preferably, the upper end (lug end) of each draft tube 3 is covered with a fine mesh-like metal net 5 to prevent the fine crushed objects in the tower from falling through the draft tube 3. The metal net 5 is covered with a thin strip-shaped protective net 6 to prevent the larger crushed objects from falling through the draft tube 3, and the safety during production and maintenance is improved. The protective net 6 is composed of 2-6 protective strips, and is arched to improve the stress condition; of course, the protective strips can also be arranged in a horizontal network. The protective net 6, the metal net 5 and the support lug 4 are detachably connected through a connecting piece 31 welded on the cover plate, so that the maintenance is convenient.

The flow equalizing structure is applied in the tower body, and can equalize the flow of the medium in the processes of dedusting, cooling, desulfurizing, deacidifying, dechlorinating, denoising and the like of the flue gas. The direction of the flue gas flow can be from bottom to top or from top to bottom.

The specific assembly of the above structures in this example is as follows:

the bracket 1 is supported on a main bearing support 13 and a secondary bearing support 14, and the four main bearing supports 13 and the four secondary bearing supports 14 are welded on the inner wall of the tower body 7; be equipped with polylith apron 2 on the bracket 1, cover on the whole tower internal cross-section that bracket 1 belonged to for the blocking flue gas changes the air current in order to realize flow equalizing, as production maintenance platform simultaneously. The shape of each cover plate 2 is similar to the shape of the sub-area of the bracket 1, and is slightly larger than the latter, and a gap is left between the cover plates 2, so that the cover plates 2 can be welded on the main beam 11 and the secondary beam 12. The cover plate 2 close to the center of the tower body is provided with an opening for arranging the guide pipe 3; the size of the appearance of each cover plate 2 is smaller than the size of a manhole or a channel on the tower body, and a water outlet is formed in part of the cover plates and is used for draining accumulated water on the upper parts of the cover plates 2 during maintenance so as to facilitate the replacement of the cover plates 2 during production and maintenance; the flow guide pipes 3 are provided with a plurality of flow guide pipes to form a flow guide pipe cluster for flue gas to pass through, and the flow guide pipes 3 are mainly distributed on the section close to the center of the tower; the upper end part of the guide pipe is provided with a support lug 4 which is made of the same material as the guide pipe 3 and is integrally formed so as to meet the strength requirement; the draft tube 3 is hung on the cover plate 2 through a support lug 4 at the upper part of the draft tube; the upper support lug 4 of the draft tube is covered with a fine latticed metal net 5 to prevent tiny crushed objects in the tower from falling through the draft tube 3; the metal net 5 is covered with a thin strip-shaped protective net 6 for preventing larger crushed objects from falling through diversion and improving the safety during production and maintenance; the protective net 6 is composed of 2-6 protective strips, and the protective strips are all in an arch shape to improve stress. The lug 4 at the upper end part of the flow guide pipe, the metal net 5 and the protective net 6 are detachably connected through bolts and nuts welded on the cover plate 2, so that production, maintenance and replacement are facilitated.

When the flue gas passes through the structure that flow equalizes, because the shutoff of cross-section upper cover plate, the air current assembles in the honeycomb duct cluster region near the tower body central line region and passes through the structure that flow equalizes, realizes flow equalizing of flue gas.

In practical embodiments, the number of the main load bearing supports 13 and the secondary load bearing supports 14, and the arrangement of the main beams 11 and the secondary beams 12 of the cradle are suitably adjusted according to the tower diameter and the load size.

In some embodiments, the connection between the cover plate 2 and the primary beam 11 and the secondary beam 12 of the bracket may be a welded connection.

In some embodiments, the draft tube 3 is fixed to the cover plate 2 by welding.

In some embodiments, the draft tube 3, the metal mesh 5, and the protective mesh 6 are connected to the cover plate 2 by welding.

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.

Claims

1. The utility model provides a honeycomb duct is restrainted and is flow equalized structure in tower which characterized in that: including the bracket, this bracket passes through support horizontal installation on the internal face of tower body, is equipped with the apron that can cover whole tower body internal cross-section on the bracket, and a plurality of honeycomb duct interval is worn to establish on the apron in order to form the honeycomb duct clump, and this honeycomb duct clump is located the center department of tower body.

2. The flow equalizing structure of the flow guide pipe bundle in the tower of claim 1, wherein: the bracket comprises a main beam and secondary beams, wherein the main beams are connected to form a rectangular main frame structure, and the secondary beams are arranged in a staggered mode to divide the main frame structure into a plurality of sub-regions.

3. The flow equalizing structure of the flow guide pipe bundle in the tower as claimed in claim 2, wherein: the cover plate is provided with a plurality of blocks which are correspondingly arranged on each subarea.

4. The flow equalizing structure of the flow guide pipe bundle in the tower as claimed in claim 3, wherein: pipe holes for installing the flow guide pipes are formed in part of the cover plates, and water outlets are formed in part of the cover plates.

5. The flow equalizing structure of the flow guide pipe bundle in the tower as claimed in claim 2, wherein: the support comprises a main bearing support and a secondary bearing support, wherein the main bearing support is arranged at the end of the main beam, and the secondary bearing support is arranged at the end of the secondary beam.

6. The flow equalizing structure of the flow guide pipe bundle in the tower as claimed in claim 2, wherein: the main beam adopts I-shaped steel, channel steel or H-shaped steel, and the secondary beam adopts I-shaped steel, channel steel, H-shaped steel or angle steel.

7. The flow equalizing structure of the flow guide pipe bundle in the tower according to any one of claims 1 to 6, wherein: the upper port of each flow guide pipe is covered with a metal net.

8. The flow equalizing structure of the flow guide pipe bundle in the tower of claim 7, wherein: the protective net covers the metal net.

9. The flow equalizing structure of the flow guide pipe bundle in the tower of claim 8, wherein: the honeycomb duct is hung on the cover plate through the support lugs on the upper portion of the honeycomb duct, and the protective net, the metal net and the support lugs are detachably connected through the connecting piece.

10. The flow equalizing structure of the flow guide pipe bundle in the tower of claim 8, wherein: the protective net is arch-shaped.