CN217179322U - Cooling system of natural draft cooling tower - Google Patents
Cooling system of natural draft cooling tower Download PDFInfo
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- CN217179322U CN217179322U CN202221011119.5U CN202221011119U CN217179322U CN 217179322 U CN217179322 U CN 217179322U CN 202221011119 U CN202221011119 U CN 202221011119U CN 217179322 U CN217179322 U CN 217179322U
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- cooling
- steam exhaust
- natural draft
- triangle
- tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model discloses a cooling system of natural draft cooling tower belongs to the terminal cooling field of thermal power generating unit. A cooling system of a natural draft cooling tower comprises a cooling triangle, wherein the cooling triangle is arranged on the periphery of the natural draft cooling tower, a steam exhaust main pipe is arranged between the cooling triangle and the natural draft cooling tower, a pipeline of the cooling triangle is communicated with the steam exhaust main pipe through a steam exhaust branch pipe, and a steam inlet is formed in the steam exhaust main pipe; the bottom of the cooling triangle is provided with a self-supporting structure. The cooling system of the natural ventilation cooling tower of the utility model has the advantages that the natural ventilation direct air cooling steam exhaust annular pipeline is positioned outside the cooling tower, thereby optimizing the spatial layout of the large-caliber steam exhaust pipeline and ensuring that the selection and the arrangement of the pipe diameter specification are not influenced by the structure of the cooling tower; when the capacity of the unit is increased, the cooling unit can still use a self-supporting structure, the problem that an additional supporting structure needs to be additionally arranged due to the increase of the cooling unit is avoided, and the problem of difficult arrangement is solved while the cost is saved.
Description
Technical Field
The utility model belongs to terminal cooling field of thermal power generating unit, especially a cooling system of natural draft cooling tower.
Background
In the current design of a thermal power generating unit, a natural ventilation direct air cooling steam exhaust pipeline circular pipe is usually arranged in a tower, the diameter of a natural ventilation cooling tower is hundreds of meters, and the maximum caliber of the steam exhaust circular pipe can reach DN 8000. When the capacity of the unit increases, there are problems as follows: 1) when the steam exhaust pipeline passes through the X column from the outside of the tower to enter the tower, the steam exhaust pipeline is difficult to enter the tower; 2) the exhaust loop pipe in the tower is easily affected by space and is difficult to arrange; 3) current cooling unit is two-layer at most, and when unit capacity increase back, for satisfying the cooling requirement, need increase cooling unit quantity, cooling unit will be arranged by original two-layer and increase to the three-layer and arrange, can't realize the self-supporting, need build the steel construction support in addition, and pipeline connection branch quantity also can increase simultaneously, not only increases the expense, still can influence the arranging of relevant equipment, structure and pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a cooling system of natural draft cooling tower.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a cooling system of a natural draft cooling tower comprises a cooling triangle, wherein the cooling triangle is arranged on the periphery of the natural draft cooling tower, a steam exhaust main pipe is arranged between the cooling triangle and the natural draft cooling tower, a pipeline of the cooling triangle is communicated with the steam exhaust main pipe through a steam exhaust branch pipe, and a steam inlet is formed in the steam exhaust main pipe;
the bottom of the cooling triangle is provided with a self-supporting structure.
Furthermore, the steam exhaust main pipe is annularly arranged on the periphery of the natural draft cooling tower.
Furthermore, both ends of the steam exhaust main pipe are provided with steam inlets.
Furthermore, the steam exhaust main pipe is gradually reduced along the steam exhaust direction along with the flow change.
Further, the cooling triangles comprise an upper layer cooling triangle and a lower layer cooling triangle.
Furthermore, the top of upper cooling triangle and lower floor's cooling triangle all is equipped with the pipeline.
Furthermore, the bottom of the lower cooling triangle is provided with a self-supporting structure.
Compared with the prior art, the utility model discloses following beneficial effect has:
the cooling system of the natural ventilation cooling tower of the utility model has the advantages that the natural ventilation direct air cooling steam exhaust annular pipeline is positioned outside the cooling tower, thereby optimizing the spatial layout of the large-caliber steam exhaust pipeline and ensuring that the selection and the arrangement of the pipe diameter specification are not influenced by the structure of the cooling tower; when the capacity of the unit is increased, the cooling unit can still use a self-supporting structure, the problem that an additional supporting structure needs to be additionally arranged due to the increase of the cooling unit is avoided, and the problem of difficult arrangement is solved while the cost is saved. Meanwhile, the steam exhaust pipe is annularly arranged outside the tower, so that the air inlet area of the cooling system can be effectively increased, and the cooling performance of the system is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a sectional view taken along line a-a of the present invention.
Wherein: 1-natural draft cooling tower; 2-a steam exhaust pipeline; 2.1-steam exhaust main pipe; 2.2-branch exhaust pipe; 3-cooling the triangle; 3.1-upper cooling triangle; 3.2-lower layer cooling triangle; 3.3-self-supporting structures.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 2, fig. 1 and 2 are respectively an overall structure schematic diagram and a sectional view of the present invention, and it can be seen that a steam exhaust pipeline 2 is composed of a steam exhaust main pipe 2.1 and a steam exhaust branch pipe 2.2, the natural ventilation cooling tower 1 is externally provided with the steam exhaust main pipe 2.1 which is annularly arranged, the outside of the steam exhaust main pipe 2.1 is provided with a cooling triangle 3, the cooling triangle 3 is composed of an upper layer cooling triangle 3.1 and a lower layer cooling triangle 3.2, the bottom of the lower layer cooling triangle 3.2 is provided with a self-supporting structure 3.3, the upper layer cooling triangle 3.1 and the lower layer cooling triangle 3.2 are both provided with pipelines, and the pipelines are communicated with the steam exhaust main pipe 2.1 through the steam exhaust branch pipe 2.2; the steam exhaust main pipe 2.1 is composed of two sections of ports as pipelines, the diameter of the steam exhaust main pipe 2.1 is gradually changed along the steam exhaust direction along with the change of flow, and a steam inlet is arranged at the port of the steam exhaust main pipe 2.1. The cooling triangle 3 realizes self stability and reliability through the bottom cooling triangle self-supporting structure 3.3.
The utility model provides a cooling system of natural draft cooling tower arranges the direct air cooling exhaust pipe's of natural draft tower internal major diameter ring canal adjustment outside the tower, and the selection of exhaust ring canal specification does not receive the influence of tower structure, and the cooling unit still uses two-layer self-supporting structure to because the exhaust pipe says and arranges outside the tower, the corresponding extrapolation in cooling unit position, cooling unit annular diameter increases, can increase cooling system air inlet area effectively.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (7)
1. A cooling system of a natural draft cooling tower is characterized by comprising a cooling triangle (3), wherein the cooling triangle (3) is arranged at the periphery of the natural draft cooling tower (1), a steam exhaust main pipe (2.1) is arranged between the cooling triangle (3) and the natural draft cooling tower (1), a pipeline of the cooling triangle (3) is communicated with the steam exhaust main pipe (2.1) through a steam exhaust branch pipe (2.2), and a steam inlet is formed in the steam exhaust main pipe (2.1);
the bottom of the cooling triangle (3) is provided with a self-supporting structure (3.3).
2. Cooling system of a natural draft cooling tower, according to claim 1, characterized in that the steam exhaust header (2.1) is arranged annularly at the periphery of the natural draft cooling tower (1).
3. The cooling system of a natural draft cooling tower of claim 1, wherein the steam inlet is provided at both ends of the steam exhaust header (2.1).
4. The cooling system of a natural draft cooling tower of claim 1, wherein the steam exhaust main (2.1) is tapered in a stepwise manner with flow changes along the steam exhaust direction.
5. Cooling system of a natural draft cooling tower, according to claim 1, characterized in that the cooling deltas (3) comprise an upper layer of cooling deltas (3.1) and a lower layer of cooling deltas (3.2).
6. Cooling system of a natural draft cooling tower, according to claim 5, characterized in that the top of both the upper cooling delta (3.1) and the lower cooling delta (3.2) are provided with pipes.
7. Cooling system of a natural draft cooling tower, according to claim 5, characterized in that the bottom of the lower cooling delta (3.2) is provided with a self supporting structure (3.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221011119.5U CN217179322U (en) | 2022-04-28 | 2022-04-28 | Cooling system of natural draft cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221011119.5U CN217179322U (en) | 2022-04-28 | 2022-04-28 | Cooling system of natural draft cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217179322U true CN217179322U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221011119.5U Active CN217179322U (en) | 2022-04-28 | 2022-04-28 | Cooling system of natural draft cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217179322U (en) |
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2022
- 2022-04-28 CN CN202221011119.5U patent/CN217179322U/en active Active
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