阅读说明：本技术 一种钢结构冷却塔围护结构 (Steel construction cooling tower envelope ) 是由 侯亚委 刘学武 王二峰 李庆建 李博 崔禹婷 陈有志 苏海丽 赵志伟 史丙成 张 于 2020-12-31 设计创作，主要内容包括：本发明一种钢结构冷却塔围护结构,适于设置在冷却塔主体外侧,包括：若干檩条结构,沿所述冷却塔主体外侧呈环形分布,并沿高度方向延伸设置；若干围护单元,呈环向在所述冷却塔主体外侧间隔设置,并沿高度方向层层固定装配连接,包括若干沿周向固定连接的围护面板,所述围护面板与相邻两个所述檩条结构固定连接；扣槽结构,设在沿周向相邻设置的所述围护单元间,并与所述围护单元固定连接。通过在各个沿环向设置的围护单元间设置扣槽结构,可以通过对扣槽结构尺寸的调节,消化各个围护单元间安设带来的围护面板的加工误差和安装误差,一方面使得围护结构可以适应多种塔型结构,另一方面降低了钢结构冷却塔的加工和施工难度,降低工程施工周期。(The invention relates to a steel structure cooling tower enclosure structure, which is suitable for being arranged on the outer side of a cooling tower main body and comprises: the purline structures are annularly distributed along the outer side of the cooling tower main body and extend along the height direction; the plurality of enclosure units are annularly arranged on the outer side of the cooling tower main body at intervals, are fixedly assembled and connected layer by layer along the height direction, and comprise a plurality of enclosure panels which are fixedly connected along the circumferential direction, and the enclosure panels are fixedly connected with two adjacent purline structures; and the buckling groove structure is arranged between the enclosure units which are adjacently arranged along the circumferential direction and is fixedly connected with the enclosure units. By arranging the buckling groove structures among the enclosure units arranged along the annular direction, machining errors and installation errors of the enclosure panels caused by installation among the enclosure units can be eliminated by adjusting the sizes of the buckling groove structures, so that the enclosure structures can adapt to various tower-shaped structures, the machining and construction difficulty of the steel structure cooling tower is reduced, and the engineering construction period is shortened.)

1. The utility model provides a steel construction cooling tower envelope, is suitable for to set up in the cooling tower main part outside, its characterized in that includes:

the purline structures (1) are annularly distributed along the outer side of the cooling tower main body and extend along the height direction;

the plurality of enclosure units are annularly arranged on the outer side of the cooling tower main body at intervals, are fixedly assembled and connected layer by layer along the height direction, and comprise a plurality of enclosure panels which are fixedly connected along the circumferential direction, and the enclosure panels are fixedly connected with two adjacent purline structures (1);

and the buckling groove structure (3) is arranged between the enclosure units which are adjacently arranged along the circumferential direction and is fixedly connected with the enclosure units.

2. A steel structural cooling tower enclosure according to claim 1 characterized in that the catching groove structures (3) are arranged linearly in height direction.

3. A steel structural cooling tower enclosure according to claim 2 characterized in that the rebate structure (3) comprises:

and the outer edge part (31) is arranged on the outer side of the enclosure panel and is fixedly connected with the enclosure panel.

The inner concave part (32) faces the axis of the cooling tower main body and is arranged in a protruding mode, the inner concave part and the adjacent outer edge part are fixedly connected, a bending structure (321) is formed, and the bending structure (321) and the circumferential end part of the enclosing panel are arranged in an adjacent mode.

4. The steel structure cooling tower envelope structure of claim 3, further comprising a plurality of receiving structures (4), wherein the catching groove structures (3) are correspondingly arranged between two adjacent purlin structures (1), and the receiving structures (4) are fixed with the two adjacent purlin structures (1) and the inner concave portion (32) and are suitable for supporting the inner concave portion (32).

5. A steel structural cooling tower enclosure according to claim 3 wherein a buffer structure (5) is further provided between the outer rim portion (31) and the enclosure panel.

6. A steel structure cooling tower envelope according to claim 5, characterized in that a hem structure (6) is further provided outside the outer rim portion (31), the hem structure (6) being provided adjacent to a circumferential end of the outer rim portion (31) and abutting the envelope panel.

7. The steel structure cooling tower envelope structure of claim 5, wherein the envelope panel is a profiled metal sheet, and is uniformly distributed along the outer side of the purlin structure (1), a plurality of wave crest structures (21) protruding away from the purlin structure (1) are arranged on the envelope panel, and the plurality of wave crest structures (21) are annularly arranged around the periphery of the cooling tower main body along the length direction.

8. A steel structural cooling tower enclosure according to claim 7 characterized in that the side of the buffer structure (5) facing the enclosure panel is provided with several spaced apart groove structures adapted to receive the wave crest structures (21).

9. A steel structural cooling tower enclosure according to claim 8 wherein the wave peak structures (21) on adjacent panels are at least partially stacked and fixedly connected.

10. A steel structural cooling tower enclosure according to claim 9 wherein a sealing fixture (7) is provided between adjacent wave peak structures (21) in a stacked arrangement.

11. A steel structure cooling tower enclosure according to claim 10, characterized in that the buffer structure (5) is provided with the sealing fixture (7) on both sides facing the service panel (2) and the outer rim (31), respectively.

12. A steel structural cooling tower enclosure according to claim 2, wherein a number of the purlin structures (1) are arranged in a hyperbolic tower shape.

Technical Field

The invention relates to the technical field of cooling towers, in particular to a steel structure cooling tower enclosure structure.

Background

The cooling tower is one of main structures of a thermal power plant, wherein the natural draft indirect cooling tower is widely applied in China, particularly in northwest areas with water shortage.

Along with the technical development of space steel structures, steel structure cooling towers are more and more applied, and compared with concrete towers, the steel tower structure has the advantages of light dead weight, outstanding anti-seismic performance, high construction speed and the like. The enclosure panel of the light roof system generally adopts a profiled aluminum plate or a profiled steel plate, but because the steel structure tower is usually in a space curved surface form and has a larger height range, the design and installation difficulty of the enclosure panel is increased.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect of high difficulty in design and installation of the enclosure structure of the steel structure cooling tower in the prior art, so that the enclosure structure of the steel structure cooling tower is provided.

The invention provides a steel structure cooling tower enclosure structure, which is suitable for being arranged on the outer side of a cooling tower main body and comprises:

the purline structures are annularly distributed along the outer side of the cooling tower main body and extend along the height direction;

the plurality of enclosure units are annularly arranged on the outer side of the cooling tower main body at intervals, are fixedly assembled and connected layer by layer along the height direction, and comprise a plurality of enclosure panels which are fixedly connected along the circumferential direction, and the enclosure panels are fixedly connected with two adjacent purline structures;

and the buckling groove structure is arranged between the enclosure units which are adjacently arranged along the circumferential direction and is fixedly connected with the enclosure units.

The catching groove structure is linearly arranged along the height direction.

The catching groove structure includes: and the outer edge part is arranged on the outer side of the enclosure panel and is fixedly connected with the enclosure panel.

And the inner concave part faces the axis of the cooling tower main body and is arranged in a protruding manner, is fixedly connected with the outer edge part and is formed with a bending structure, and the bending structure is adjacent to the circumferential end part of the enclosure panel.

The steel structure cooling tower envelope structure further comprises a plurality of bearing structures, the catching groove structures are correspondingly arranged between two adjacent purlin structures, and the bearing structures are fixed with the two adjacent purlin structures and the inner concave portions and suitable for supporting the inner concave portions.

And a buffer structure is arranged between the outer edge part and the enclosing panel.

And the outer side of the outer edge part is also provided with a folded edge structure, and the folded edge structure is adjacent to the circumferential end part of the outer edge part and is abutted against the enclosure panel.

The enclosure panel is a profiled metal plate, and is uniformly distributed along the outer side of the purlin structure, a plurality of wave crest structures which are back to the purlin structure and protrude are arranged on the enclosure panel, and the plurality of wave crest structures are annularly arranged around the periphery of the cooling tower main body along the length direction.

One side of the buffer structure facing the enclosure panel is provided with a plurality of groove structures arranged at intervals, and the groove structures are suitable for accommodating the wave crest structures.

The wave crest structures on the adjacent enclosure panels are at least partially overlapped and fixedly connected.

And a sealing and fixing structure is arranged between the adjacent wave crest structures in a stacked manner.

The buffer structure is provided with the sealing and fixing structure on two sides facing the maintenance panel and the outer edge part respectively.

And a plurality of purline structures are arranged in a hyperbolic tower shape.

The technical scheme of the invention has the following advantages:

1. the invention relates to a steel structure cooling tower enclosure structure, which is suitable for being arranged on the outer side of a cooling tower main body and comprises: the purline structures are annularly distributed along the outer side of the cooling tower main body and extend along the height direction; the plurality of enclosure units are annularly arranged on the outer side of the cooling tower main body at intervals, are fixedly assembled and connected layer by layer along the height direction, and comprise a plurality of enclosure panels which are fixedly connected along the circumferential direction, and the enclosure panels are fixedly connected with two adjacent purline structures; and the buckling groove structure is arranged between the enclosure units which are adjacently arranged along the circumferential direction and is fixedly connected with the enclosure units.

The steel structure cooling tower has different tower types, such as hyperbolic shape, straight cylinder type or straight cylinder cone composite type and the like, according to the difference of the tower types, the outer diameter of the cooling tower main body can have different degrees of change along the height direction, so that the outer side of the cooling tower main body is in a space curved surface form with continuously changed radian, the installation difficulty of the enclosure structure arranged on the outer side of the cooling tower main body is improved, the installation space between each enclosure unit or enclosure panel on the enclosure structure and the size of the self structure need to be changed corresponding to the space curved surface, and the processing and installation errors of the enclosure panel are improved.

By arranging the buckling groove structures among the enclosure units arranged along the annular direction, machining errors and installation errors of the enclosure panels caused by installation among the enclosure units can be eliminated by adjusting the sizes of the buckling groove structures, so that the enclosure structures can adapt to various tower-shaped structures, the machining and construction difficulty of the steel structure cooling tower is reduced, and the engineering construction period is shortened.

2. The steel structure cooling tower enclosure structure further comprises a plurality of bearing structures, the buckling groove structures are correspondingly arranged between two adjacent purline structures, and the bearing structures are fixed with the two adjacent purline structures and the inner concave portion and are suitable for supporting the inner concave portion.

Through setting up and accepting the structure, can follow and effectively support at the inner concave part of cooling tower main part circumference, improved the stability that sets up the catching groove structure, make it can effectively bear the windward load of radial ascending of cooling tower.

3. According to the steel structure cooling tower enclosure structure provided by the invention, a buffer structure is further arranged between the outer edge part and the enclosure panel.

The buffer structure can effectively reduce the friction or impact between the outer edge part and the enclosure panel, and can avoid the damage of pitting and the like to the enclosure panel caused by extrusion or friction of the catching groove structure under the external forces of windward load and the like.

4. The steel structure cooling tower enclosure structure provided by the invention is characterized in that the enclosure panel is a pressed metal plate, the pressed metal plate is uniformly distributed along the outer side of the purline structure, a plurality of wave crest structures protruding back to the purline structure are arranged on the enclosure panel, and the plurality of wave crest structures are annularly arranged around the cooling tower main body along the length direction.

The wave crest structure is annularly surrounded on the periphery of the cooling tower main body along the length direction, so that the wave crest structure on the enclosure panel is conveniently lapped with the wave crest structure on another enclosure panel along the vertical direction, the assembly difficulty of the enclosure unit along the vertical height direction is reduced, the assembly efficiency is improved, and meanwhile, the difficulty of processing the enclosure panel and constructing is reduced.

Drawings

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

Fig. 1 is a schematic structural view of a purlin structure and a portion of a containment panel on a steel structure cooling tower enclosure provided in an embodiment of the invention;

fig. 2 is a schematic structural view of a plurality of enclosure units and a plurality of catching groove structures which are adjacently arranged in the height direction on the steel structure cooling tower enclosure structure provided in the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a portion of the structure of the steel structure cooling tower enclosure shown in FIG. 2 in the direction A-A;

FIG. 4 is an enlarged view of a portion D of the structure of the steel structure cooling tower envelope in the direction A-A shown in FIG. 2;

FIG. 5 is a schematic cross-sectional view of a portion of the structure of the steel structure cooling tower enclosure shown in FIG. 2 in the direction B-B;

FIG. 6 is an enlarged view of a portion C of the steel structure cooling tower envelope in the direction B-B of FIG. 5;

FIG. 7 is a schematic view of a connection structure of adjacent maintenance panels in the enclosure unit shown in FIG. 2;

description of reference numerals:

1-purlin construction; 2-maintenance panel; 3-a catching groove structure; 31-an outer edge portion; 32-an inner recess; 321-a bent structure; 4-a receiving structure; 5-a buffer structure; 6-folding edge structure; 21-peak structure; 7-sealing and fixing structure.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 7, the present embodiment provides a surrounding structure of a steel structure cooling tower, which is arranged in a cylindrical shape and can be arranged on the outer side of a cooling tower main body, in the present embodiment, the cooling tower main body is arranged in a hyperbolic tower shape, and as a changeable implementation manner, the surrounding structure can also be in a straight cylinder shape, a straight cylinder cone shape, and the like, and includes a purlin structure 1, a surrounding unit, and a catching groove structure 3. In the present embodiment, the outer side refers to a direction away from the axis of the cooling tower body, and the inner side refers to a direction toward the axis of the cooling tower body.

Many purlin structures 1 set up in the cooling tower main part outside to be the annular along cooling tower main part circumference and distribute, the concrete shape of purlin sets up according to the tower type of cooling tower, and in this embodiment, a plurality of purlin structures 1 are the arc along the direction of height and extend the setting, and constitute hyperbolic tower tubbiness structure. As an alternative embodiment, when the cooling tower main body tower shape is a straight cylinder shape or a straight cylinder cone shape, the purlin structure 1 may be provided in a straight rod shape or a bent rod shape.

The enclosure units are in a long plate shape, the plurality of enclosure units are annularly enclosed on the outer side of the cooling tower main body, the adjacent maintenance units are arranged at intervals, and the enclosure units are fixedly assembled and connected layer by layer along the height direction. The enclosure unit comprises a plurality of enclosure panels which are fixedly connected along the circumferential direction of the cooling tower main body, the specific shape and specification of the maintenance panel 2 are not limited too much, and the requirement of the maintenance panel 2 on the fixed connection with two adjacent purlin structures 1 can be met, in the embodiment, the maintenance panel 2 is in a rectangular sheet shape, and the size is uniform.

And the buckling groove structure 3 is arranged between the enclosure units which are adjacently arranged along the circumferential direction of the cooling tower main body and used for connecting and fixing the adjacent enclosure units. In this embodiment, the catching groove structure 3 can be made of a steel plate or the like through simple bending, and the specification and the size can be correspondingly selected according to the space between the enclosing units.

The steel structure cooling tower has different tower types, such as hyperbolic shape, straight cylinder type or straight cylinder cone composite type and the like, according to the difference of the tower types, the outer diameter of the cooling tower main body can have different degrees of change along the height direction, so that the outer side of the cooling tower main body is in a space curved surface form with continuously changed radian, the installation difficulty of the enclosure structure arranged on the outer side of the cooling tower main body is improved, the installation space between each enclosure unit or enclosure panel on the enclosure structure and the size of the self structure need to be changed corresponding to the space curved surface, and the processing and installation errors of the enclosure panel are improved.

By arranging the buckling groove structures 3 among the enclosure units arranged along the annular direction, machining errors and installation errors of the enclosure panels caused by installation among the enclosure units can be eliminated by adjusting the sizes of the buckling groove structures 3, on one hand, the enclosure structures can adapt to various tower-shaped structures, on the other hand, the machining and construction difficulty of the steel structure cooling tower is reduced, and the engineering construction period is shortened.

In this embodiment, the plurality of catching groove structures 3 are linearly arranged along the height direction, and each catching groove structure 3 is respectively arranged corresponding to the maintenance panels 2 on two adjacent maintenance units at the same height and is fixedly connected with the maintenance panels. The setting is when catching groove structure 3 sets up along direction of height's linearity like this, and maintenance panel 2 in the enclosure unit can be along the direction of height and be the corresponding setting, and the enclosure panel of being convenient for sets up along ascending fixed mounting and arranging of direction of height, can also be convenient for demonstrate the interval size between each maintenance unit under the co-altitude, and then is convenient for select catching groove structure 3's specification.

As an alternative embodiment, the catching groove structures 3 are in the form of elongated grooves, and a single catching groove structure 3 is arranged in correspondence with and fixedly connected to the service panels 2 of a plurality of pairs of adjacently arranged service units at different heights. As another alternative embodiment, the catching structure 3 may be arranged non-linearly in the height direction.

In the present embodiment, the catching structure 3 comprises two outer edges and one inner edge 32.

The two outer edge parts are arranged on two sides of the inner concave part 32, are in a flat plate shape, are arranged on the outer side of the enclosure panel and are fixedly connected with the enclosure panel. In the present embodiment, the connection is made by rivet fixing, but as an alternative embodiment, a screw connection, welding, or the like may be used.

The inner concave part 32 is a square through groove, protrudes towards the axis of the cooling tower main body, is fixedly connected with two adjacent outer edge parts, is provided with a bent structure 321 at the connecting position, and is arranged adjacent to the end part position of the enclosure panel extending in the circumferential direction of the cooling tower main body. The specific bending degree of the bending structure 321 is not limited, and is a right angle in the present embodiment.

The envelope structure also comprises a plurality of bearing structures 4, the catching groove structures 3 are correspondingly arranged between the two adjacent purlin structures 1, each catching groove structure 3 is correspondingly provided with at least one bearing structure 4, and the bearing structures 4 are fixed with the two adjacent purlin structures 1 and the inner concave part 32 and are suitable for supporting the inner concave part 32. Through setting up and accepting structure 4, can follow and effectively support inner concave part 32 in cooling tower main part circumference, improved the stability that sets up catching groove structure 3, make it can effectively bear the windward load of cooling tower radial direction.

In this embodiment, the receiving structure 4 is a receiving rod, and is perpendicular to and fixedly connected with the two adjacent purlin structures 1. As an alternative embodiment, the receiving structure 4 may also be a receiving plate or a receiving rack, etc. As an alternative embodiment, the catching structure 3 may be correspondingly disposed between two non-adjacent purlin structures 1.

In this embodiment, the enclosure panel is a profiled metal sheet, which may be a steel sheet or an aluminum sheet, and is uniformly distributed along the outer side of the purlin structure 1, and a plurality of peak structures 21 protruding from the purlin structure 1 are arranged thereon, the peak structures 21 are arranged on the panel in a square bar shape at uniform intervals, and the plurality of peak structures 21 are annularly arranged around the cooling tower main body along the length direction.

The wave crest structure 21 is annularly surrounded on the periphery of the cooling tower main body along the length direction, so that the wave crest structure 21 on the enclosure panel is conveniently lapped with the wave crest structure 21 on another enclosure panel along the vertical direction, the assembly difficulty of the enclosure unit along the vertical height direction is reduced, the assembly efficiency is improved, and meanwhile, the difficulty of processing the enclosure panel and construction is reduced.

The wave crest structures 21 on adjacent surrounding panels in the height direction are partially arranged in a stacked manner and are fixedly connected by arranging the sealing and fixing structures 7. In this embodiment, the connection manner is adhesion fixing, and the sealing fixing structure 7 is a butyl double-sided tape. As an alternative embodiment, adjacent protective panels in the height direction can also be welded or screwed.

The adjacent enclosing panels in the same enclosing unit at the same height are partially stacked and fixedly connected through the sealing and fixing structure 7, in the embodiment, the sealing and fixing structure 7 is neutral silicone adhesive, the adjacent enclosing panels are fixed through adhesion, and as a changeable implementation mode, the adjacent enclosing panels in the same enclosing unit can also be fixed through butyl double-sided adhesive tape, welding or screws.

In this embodiment, in order to cope with the variation of the outer diameter of the cooling tower body at different heights, the number of the enclosure panels in the enclosure units arranged at different heights in the height direction may be different.

A buffer structure 5 is arranged between the outer edge part 31 of the buckling groove structure 3 and the enclosing panel. The buffer structure 5 can effectively reduce the friction or impact between the outer edge part 31 and the enclosure panel, and can avoid the damage of the enclosure panel, such as pitting corrosion and the like caused by extrusion or friction of the buckle groove structure 3 under the external force of windward load and the like. In the present embodiment, the cushioning structure 5 is a molded foam plug containing a soft polyurethane foam material, and the cushioning structure 5 may be a cushion or the like as an alternative embodiment.

In this embodiment, the side of the buffer structure 5 facing the fender panel is provided with a plurality of groove structures arranged at intervals, and the groove structures can accommodate the wave crest structures 21. The arrangement enables the buffer structure 5 to be attached to the appearance of the enclosure panel, the buffering effect is improved, and meanwhile, the installation stability is improved.

The buffer structure 5 is provided with a sealing fixing structure 7 on both sides facing the maintenance panel 2 and the outer edge portion 31, respectively. In this embodiment, the sealing and fixing structure 7 is also a butyl double-sided tape. As an alternative embodiment, the buffer structure 5 may not be provided.

In addition, the outer side of the outer edge part 31 is also provided with a folded edge structure 6, the folded edge structure 6 is fixed on the outer edge part together through a rivet, the end part of the outer edge part, which extends along the circumferential direction of the cooling tower, is wrapped by a folded edge at one end, and the folded edge is abutted to the enclosure panel. Therefore, the external force impact from the cooling tower in the circumferential direction is avoided, the stability of the installation of the catching groove structure 3 and the enclosure unit is improved, and the service life of the enclosure structure is prolonged.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.