CN211903807U - Indirect air cooling system and footpath structure thereof - Google Patents
Indirect air cooling system and footpath structure thereof Download PDFInfo
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- CN211903807U CN211903807U CN201922454365.2U CN201922454365U CN211903807U CN 211903807 U CN211903807 U CN 211903807U CN 201922454365 U CN201922454365 U CN 201922454365U CN 211903807 U CN211903807 U CN 211903807U
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Abstract
The utility model relates to an indirect air cooling system and pavement structure thereof, wherein, the pavement structure of the indirect air cooling system comprises a support girder arranged in the wind tunnel and an outer lane pavement frame fixedly arranged on the support girder, the outer lane pavement frame is a closed frame body formed by a plurality of first rod pieces in a surrounding way, an inner lane pavement frame with the same shape as the outer lane pavement frame is also arranged in the outer lane pavement frame, the interval between the outer lane pavement frame and the inner lane pavement frame is used for laying grating plates, the inner lane pavement frame is a closed frame body formed by a plurality of second rod pieces in a surrounding way, and both ends of any second rod piece extend to the outer lane pavement frame and are fixedly connected with the outer lane pavement frame; any two adjacent second rod pieces are fixedly connected at the mutually crossed positions. The utility model discloses in the pavement structure of disclosed indirect air cooling system can enough guarantee intensity and stability, still effectively reduced ventilation resistance simultaneously.
Description
Technical Field
The utility model relates to an air cooling system technical field, in particular to indirect air cooling system and pavement structure thereof.
Background
The closed cooling water of the indirect air cooling system mainly realizes heat exchange with air through a fan in an air cooling tower, the air cooling tower is generally a tower body with the diameter of about 10 meters and hollow inside, a wind tunnel for air circulation is formed in an inner cavity of the tower body, cold air enters the air cooling tower from the bottom to exchange heat with the cooling water under the action of a large fan, and dry hot air after heat exchange is discharged from the top of the air cooling tower.
In order to overhaul and maintain equipment in an air cooling tower, a walkway structure is usually arranged in the air cooling tower, as shown in fig. 1, the walkway structure comprises two main beams 01 arranged in the air cooling tower in a cross-shaped arrangement, an outer ring walkway frame 02 formed by combining and connecting profile steels and an inner ring walkway frame 03 concentrically arranged in the outer ring walkway frame 02 are installed on the main beams 01, the outer ring walkway frame 02 and the inner ring walkway frame 03 are welded into a whole through a plurality of horizontal beams 04, an interval between the outer ring walkway frame 02 and the inner ring walkway frame 03 is used for laying a grating plate for people to walk, and the horizontal beams 04 are only welded with the outer side surface of the walkway frame, so in order to ensure the strength and stability of the walkway frame, the horizontal beams 04 need to comprise a plurality of orthogonal beams perpendicular to the walkway frame and inclined beams connected with the walkway frame and arranged obliquely.
However, the too many and too dense horizontal beams 04 cause the ventilation resistance in the wind tunnel to be increased significantly, and the ventilation volume of the wind tunnel is reduced seriously, which causes the energy consumption of the indirect air cooling system to be large and the cooling efficiency to be low.
Therefore, how to effectively reduce the ventilation resistance of the walkway structure while ensuring the strength and stability is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
One of the objects of the utility model is to provide a pavement structure of indirect air cooling system to can guarantee intensity and stability satisfying the requirement while, can also effectively reduce the ventilation resistance of pavement structure.
Another object of the present invention is to provide an indirect air cooling system using the above walkway structure.
In order to achieve the above object, the utility model provides a footpath structure of indirect air cooling system, including the support girder that sets up in the wind-tunnel and the fixed outer lane pavement frame that sets up on the support girder, outer lane pavement frame is the closed framework that encloses by many first members and closes and form, still be provided with the shape in the outer lane pavement frame with the inner circle pavement frame that outer lane pavement frame is the same, the interval between outer lane pavement frame and the inner circle pavement frame is used for laying the grid board, inner circle pavement frame is the closed framework that encloses and closes by many second members, arbitrary both ends of one second member all extend to outer lane pavement frame and with outer lane pavement frame fixed connection; any two adjacent second rod pieces are fixedly connected at the mutually crossed positions.
Preferably, the outer ring walkway frame and the inner ring walkway frame are both rectangular.
Preferably, still include epitaxial pavement frame, epitaxial pavement includes that two symmetries and interval set up are extended longeron and setting two epitaxial crossbeam between the longeron of extending, two the tip of the longeron of extending with inner circle pavement frame fixed connection, and two the longeron of extending with outer lane pavement frame is at intercrossing's position fixed connection.
Preferably, the extension longitudinal beam is connected with the inner ring walkway frame and the outer ring walkway frame in a welding mode.
Preferably, both ends of the second rod piece are connected with the outer ring footpath frame in a welding mode.
Preferably, any two adjacent second rod pieces are welded and connected at the position where the second rod pieces cross each other.
Preferably, both ends of the second rod piece are installation ends with bolt holes, and both ends of the second rod piece are connected with the outer ring footpath frame through bolts.
Preferably, any two adjacent second rod pieces are fixedly connected at the positions where the second rod pieces cross each other through bolts which vertically penetrate through the second rod pieces.
Preferably, a reinforcing beam is further arranged in a gap between the inner ring walkway frame and the outer ring walkway frame, one end of the reinforcing beam is vertically connected with the first rod piece, and the other end of the reinforcing beam is vertically connected with the second rod piece.
The utility model discloses in disclosed indirect air cooling system, including air cooling tower, fan, heat exchanger and comdenstion water circulation system to be provided with the footpath structure of the indirect air cooling system disclosed in the above-mentioned arbitrary one in the air cooling tower.
According to the above technical solution, in the walkway structure of the indirect air cooling system disclosed in the present invention, the inner circle walkway frame is formed by enclosing a plurality of second rod members, and both ends of any one second rod member extend to the peripheral walkway frame and are fixedly connected with the peripheral walkway frame, and any two adjacent second rod members are fixedly connected at the mutually crossing positions; the design enables the inner ring walkway and the outer ring walkway to be directly connected in a cross way to form an integrated structure through the second rod piece, the connection between the inner ring walkway and the outer ring walkway is realized without the help of a horizontal beam in the prior art, the structure between the inner ring walkway and the outer ring walkway is effectively simplified, the ventilation gap is increased, and the ventilation resistance of the walkway structure is reduced; any two second rod pieces which are mutually crossed are fixedly connected, so that the structural strength and the stability of the whole walkway structure are ensured.
Therefore, the utility model discloses a disclosed indirect air cooling system's pavement structure can enough guarantee intensity and stability, has still effectively reduced ventilation resistance simultaneously.
Drawings
FIG. 1 is a schematic view of a walkway construction of an indirect air cooling system of the prior art;
fig. 2 is a schematic view of a walkway structure of an indirect air cooling system disclosed in an embodiment of the present invention.
Wherein, 1 is the support girder, 2 is outer lane pavement frame, 3 is inner circle pavement frame, 4 is the pavement frame of extending, 5 is the crossbeam of extending.
Detailed Description
One of the cores of the utility model is to provide a footpath structure of indirect air cooling system to can guarantee intensity and stability satisfying the requirement while, can also effectively reduce the ventilation resistance of footpath structure.
The other core of the utility model is to provide an indirect air cooling system adopting the footpath structure.
As will be understood with reference to fig. 2, the walkway structure of the indirect air cooling system disclosed in this embodiment includes a supporting main girder 1, an outer-ring walkway frame 2 and an inner-ring walkway frame 3, the supporting main girder 1 is disposed in the wind tunnel, the outer-ring walkway frame 2 is fixedly disposed on the supporting main girder 1, the outer-ring walkway frame 2 is a closed frame body formed by a plurality of first rod members, the outer-ring walkway frame 2 is further provided with the inner-ring walkway frame 3 having the same shape as the outer-ring walkway frame 2, a space is provided between the outer-ring walkway frame 2 and the inner-ring walkway frame 3, the space is used for laying grating plates for walking, referring to fig. 2, the inner-ring walkway frame 3 is a closed frame body formed by a plurality of second rod members, both ends of each second rod member extend to the outer-ring walkway frame 2, and both ends of each second rod member are fixedly connected to the outer-ring walkway frame 2, any two adjacent second rod pieces are fixedly connected at the mutually crossed positions.
In the walkway structure of the indirect air cooling system disclosed in the above embodiment, the inner-ring walkway frame 3 is enclosed by a plurality of second rod pieces, and both ends of any one second rod piece extend to the outer-ring walkway frame 2 and are fixedly connected with the outer-ring walkway frame 2, and any two adjacent second rod pieces are fixedly connected at the position where they cross each other; the design enables the inner ring walkway frame 3 and the outer ring walkway frame 2 to be directly connected in a cross way to form an integrated structure through the second rod piece, the connection between the inner ring walkway frame 3 and the outer ring walkway frame 2 is realized without the help of a horizontal beam in the prior art, the structure between the inner ring walkway frame 3 and the outer ring walkway frame 2 is effectively simplified, the ventilation gap is increased, and the ventilation resistance of the walkway structure is reduced; any two second rod pieces which are mutually crossed are fixedly connected, so that the structural strength and the stability of the whole walkway structure are ensured.
The footpath structure of the indirect air cooling system disclosed in the embodiment can ensure the strength and the stability and effectively reduce the ventilation resistance.
It can be understood by those skilled in the art that the shape of the outer-ring walkway frame 2 and the inner-ring walkway frame 3 generally match the inner shape of the air cooling tower, for example, the shape of the outer-ring walkway frame 2 and the inner-ring walkway frame 3 can be circular, polygonal, etc., in one embodiment, the outer-ring walkway frame 2 and the inner-ring walkway frame 3 are rectangular, as shown in fig. 2, two first rod members at two ends of any one second rod member are vertically connected with the second rod member, and the whole walkway structure forms a structure in which the inner-ring walkway frame 3 and the outer-ring walkway frame 4 are orthogonally connected through, and the stability is very high.
Referring to fig. 2, in an embodiment, the walkway structure further includes an extension walkway frame 4, the extension walkway frame 4 includes two extension stringers symmetrically and spaced apart from each other and an extension beam 5 disposed between the two extension stringers, ends of the two extension stringers are fixedly connected to the inner walkway frame 3, and the two extension stringers are fixedly connected to the outer walkway frame 2 at positions crossing each other to ensure stability of connection between the extension stringers and the inner and outer walkway frames 3 and 2, in an embodiment, the extension stringers are welded to the inner and outer walkway frames 3 and 2, or the extension stringers are fixedly connected to the inner and outer walkway frames 3 and 2 by using a connecting member (e.g., a bolt).
It should be noted that, the fixed connection mode between the second rod and the outer ring walkway frame 2 is not limited to one, for example, the second rod and the outer ring walkway frame 2 may be connected by welding or by screw connection, when the screw connection mode is adopted, an external thread may be provided at the end of the second rod, and a threaded hole adapted to the second rod is provided on the first rod; of course, the second rod and the outer ring walkway frame 2 can also be fixedly connected by a connecting piece, the connecting piece can adopt a bolt, when the connecting piece is fixedly connected, a hoop body matched with the outer ring walkway frame 2 can be arranged at the end part of the second rod, a bolt hole for the bolt to pass through is arranged on the hoop body, and the hoop body forms a mounting end.
Further, two adjacent second rod members can be connected at the crossing position by welding or fixedly connected by a bolt vertically penetrating through the two (two second rod members).
Referring to fig. 2, in order to further enhance the stability of the whole walkway structure, a reinforcing beam is further disposed in the gap between the inner walkway frame 3 and the outer walkway frame 2, one end of the reinforcing beam is vertically connected to the first rod, the other end of the reinforcing beam is vertically connected to the second rod, and the reinforcing beam is preferably connected to the first rod and the second rod by welding, or by connecting members such as bolts.
The utility model discloses in among the indirect air cooling system that discloses, including air cooling tower, fan, heat exchanger and condensate circulating system, be provided with the footpath structure of the indirect air cooling system that discloses in the arbitrary embodiment of the above-mentioned in this air cooling tower.
Due to the adoption of the walkway structure, the indirect air cooling system has the technical advantages corresponding to the walkway structure, and a person skilled in the art can understand the technical advantages by referring to the description in the above embodiment, which is not described herein again.
The above is to the present invention provides an indirect air cooling system and a footpath structure thereof. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The walkway structure of the indirect air cooling system comprises a support main beam (1) arranged in a wind tunnel and an outer ring walkway frame (2) fixedly arranged on the support main beam (1), wherein the outer ring walkway frame (2) is a closed frame body formed by enclosing a plurality of first rod pieces, and is characterized in that an inner ring walkway frame (3) with the same shape as the outer ring walkway frame (2) is further arranged in the outer ring walkway frame (2), the interval between the outer ring walkway frame (2) and the inner ring walkway frame (3) is used for laying grating plates, the inner ring walkway frame (3) is a closed frame body formed by enclosing a plurality of second rod pieces, and two ends of any one second rod piece extend to the outer ring walkway frame (2) and are fixedly connected with the outer ring walkway frame (2); any two adjacent second rod pieces are fixedly connected at the mutually crossed positions.
2. The walkway structure of an indirect air-cooling system according to claim 1, wherein the outer perimeter walkway frame (2) and the inner perimeter walkway frame (3) are rectangular.
3. The walkway structure of the indirect air-cooling system according to claim 1 or 2, further comprising an extension walkway frame (4), wherein the extension walkway frame (4) comprises two extension stringers symmetrically arranged at intervals and an extension beam (5) arranged between the two extension stringers, the ends of the two extension stringers are fixedly connected with the inner walkway frame (3), and the two extension stringers are fixedly connected with the outer walkway frame (2) at the position where they cross each other.
4. The walkway structure of an indirect air-cooling system according to claim 3, wherein the extension stringers are welded to both the inner and outer walkway frames (3, 2).
5. The walkway structure of an indirect air-cooling system according to claim 1, wherein both ends of the second bar are welded to the outer race walkway frame (2).
6. The walkway structure of an indirect air-cooling system according to claim 1, wherein any two of the second bars adjacent to each other are welded to each other at positions crossing each other.
7. The walkway structure of an indirect air-cooling system according to claim 1, wherein both ends of the second rod member are mounting ends having bolt holes, and both ends of the second rod member are connected to the outer race walkway frame (2) by bolts.
8. The walkway structure of an indirect air-cooling system according to claim 1, wherein any two of the second bars adjacent to each other are fixedly connected at positions crossing each other by bolts vertically penetrating through both.
9. The walkway structure of an indirect air-cooling system according to claim 1, wherein a reinforcing beam is further provided in the gap between the inner-ring walkway frame (3) and the outer-ring walkway frame (2), and one end of the reinforcing beam is vertically connected to the first bar and the other end is vertically connected to the second bar.
10. An indirect air cooling system comprising an air cooling tower, a fan, a heat exchanger and a condensate water circulating system, wherein the air cooling tower is internally provided with a footpath structure of the indirect air cooling system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922454365.2U CN211903807U (en) | 2019-12-30 | 2019-12-30 | Indirect air cooling system and footpath structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922454365.2U CN211903807U (en) | 2019-12-30 | 2019-12-30 | Indirect air cooling system and footpath structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211903807U true CN211903807U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922454365.2U Active CN211903807U (en) | 2019-12-30 | 2019-12-30 | Indirect air cooling system and footpath structure thereof |
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| Country | Link |
|---|---|
| CN (1) | CN211903807U (en) |
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2019
- 2019-12-30 CN CN201922454365.2U patent/CN211903807U/en active Active
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