CN111351392A - Tower wall structure of high-order water cooling tower of receiving and cooling tower - Google Patents
Tower wall structure of high-order water cooling tower of receiving and cooling tower Download PDFInfo
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- CN111351392A CN111351392A CN202010160845.2A CN202010160845A CN111351392A CN 111351392 A CN111351392 A CN 111351392A CN 202010160845 A CN202010160845 A CN 202010160845A CN 111351392 A CN111351392 A CN 111351392A
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- tower
- cooling tower
- wall structure
- water
- tower wall
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/10—Component parts of trickle coolers for feeding gas or vapour
- F28F25/12—Ducts; Guide vanes, e.g. for carrying currents to distinct zones
Abstract
The invention discloses a tower wall structure of a high-level water-collecting cooling tower and the cooling tower. The ventilation quantity of the area corresponding to the outermost periphery water collecting device of the high-level water collecting cooling tower can be enhanced through the tower wall structure, and the problem of poor cooling effect of the area is solved.
Description
Technical Field
The invention belongs to the technical field of cooling towers, and particularly relates to a tower wall structure of a high-level water-collecting cooling tower and the cooling tower.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The wet cooling tower is widely applied to the fields of electric power, chemical engineering, refrigeration and the like in China, and is mainly used for cooling hot water generated in the industrial process. The wet cooling tower is divided into a conventional natural draft wet cooling tower and a high-level water receiving cooling tower. The air-water heat exchange area in the conventional natural draft wet cooling tower mainly comprises three parts, namely a water distribution area, a filler area and a rain area from top to bottom. The basic principle is as follows: hot water is sent into a water distribution system of the cooling tower through a vertical pipe outside the tower, water drops are formed in the water distribution system through a nozzle, and then the water drops fall to a filler; the hot water falls in the packing in the form of a water film and, after leaving the packing, continues to fall in the form of water droplets to a catch basin. Meanwhile, air outside the tower enters the cooling tower through an air inlet at the bottom of the tower, continuously rises under the action of suction, passes through the rain area, the filling area, the water distribution area and the dehydrator, and finally leaves the cooling tower.
In the high-order water cooling tower of receiving, the circulating water is collected to the water collecting pipe through receiving the water installation directly below packing, has reduced the lift of water pump, has still weakened the cooling tower noise simultaneously. The high-level water-collecting cooling tower is divided into a natural draft high-level tower and a mechanical draft high-level tower (mechanical draft high-level tower).
In order to meet the water collecting effect and control the outward splashing of falling water, the water collecting device of the high-level water collecting cooling tower is usually wrapped in the tower wall, and the height of the lower edge of the tower wall is basically consistent with that of the bottom of the water collecting tank. Due to the structure, in the natural-ventilation high-level water-collecting cooling tower, the flow area between the outermost water-collecting device and the tower wall is small, and obvious flowing vortexes exist in the area, so that the ventilation quantity of a packing area above the outermost water-collecting device is low, and the cooling effect is poor; in the mechanical draft high-level water collecting cooling tower with a more compact structure, the flow area between the outermost water collecting device and the tower wall is smaller, and a significant flow dead zone exists above the region, so that the cooling performance of the packing region is poorer.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide a tower wall structure of a high-level water-collecting cooling tower and the cooling tower.
In order to solve the above technical problems, one or more embodiments of the present invention disclose the following technical solutions:
in one aspect of the present invention, a tower wall structure of a high-level water-collecting cooling tower is provided, in which a through groove is formed on a tower wall between a bottom of a packing and an upper portion of a water-collecting groove to communicate an inside and an outside of the cooling tower.
The outside air enters the area above the water receiving groove of the cooling tower through the pores or the through-flow grating or the ventilation pipe so as to increase the ventilation quantity of the packing area above the outermost water receiving device, improve the overall cooling performance of the high-level water receiving cooling tower and solve the problems of low ventilation quantity and poor cooling effect of the packing area above the outermost water receiving device.
In a second aspect of the invention, a high-level water-collecting cooling tower is provided, which comprises a tower wall structure of the high-level water-collecting cooling tower.
The beneficial effects of the above one or more embodiments of the invention are:
the tower wall structure of the high-level water-collecting cooling tower is provided aiming at the characteristics that the flow area between the outermost water-collecting device of the high-level water-collecting cooling tower and the tower wall is small, the ventilation quantity is low, and the heat exchange effect is poor. After the tower wall structure is adopted, the flow area between the outermost periphery water collecting device of the high-level water collecting cooling tower and the tower wall is increased; in addition, under the conventional tower wall structure, the airflow is deflected upwards after entering the cooling tower from the lower part of the tower wall along the downward inclined direction, and the tower wall structure can make the airflow directly enter the cooling tower in the horizontal direction and then deflect upwards, so that the airflow resistance caused by the deflection is reduced. Therefore, the tower wall structure can increase the ventilation quantity of the area above the outermost water collecting device, and the heat exchange effect between air and water is enhanced; the vortex intensity of the water receiving device is reduced, and therefore the overall heat exchange effect of the high-level water receiving cooling tower is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a front view of a tower wall structure of a single-sided air inlet mechanical ventilation high-level water collecting cooling tower in embodiment 1 of the present invention;
fig. 2 is a left side view of a tower wall structure of a single-sided air inlet mechanical ventilation high-level water collection cooling tower in embodiment 1 of the present invention;
fig. 3 is a front view of a tower wall structure of a single-sided air inlet mechanical draft high-level water collecting cooling tower according to embodiment 2 of the present invention;
fig. 4 is a left side view of a tower wall structure of a single-sided air inlet mechanical ventilation high-level water collecting cooling tower in embodiment 2 of the present invention;
fig. 5 is a front view of a tower wall structure of a natural draft high level water receiving cooling tower according to embodiment 3 of the present invention;
fig. 6 is a left side view of a tower wall structure of a natural draft high level water receiving cooling tower according to embodiment 3 of the present invention;
FIG. 7 is a front view of a tower wall structure of a single-sided air inlet mechanical draft high-level water collecting cooling tower according to embodiment 4 of the present invention;
fig. 8 is a left side view of a tower wall structure of a single-sided air inlet mechanical ventilation high-level water collecting cooling tower in embodiment 4 of the present invention;
fig. 9 is a front view of a tower wall structure of a single-sided air inlet mechanical draft high-level water collecting cooling tower according to embodiment 5 of the present invention;
fig. 10 is a left side view of a tower wall structure of a single-sided air inlet mechanical draft high-level water collecting cooling tower according to embodiment 5 of the present invention;
fig. 11 is a front view of a tower wall structure of a single-sided air inlet mechanical draft high-level water collecting cooling tower according to embodiment 6 of the present invention;
fig. 12 is a left side view of a tower wall structure of a single-sided air inlet mechanical draft high-level water collecting cooling tower according to embodiment 6 of the present invention;
fig. 13 is a front view of a tower wall structure of a single-sided air inlet mechanical draft high-level water collecting cooling tower according to embodiment 7 of the present invention;
fig. 14 is a left side view of a tower wall structure of a single-sided air inlet mechanical draft high-level water receiving cooling tower in accordance with embodiment 7 of the present invention;
the system comprises a tower wall 1, a through groove 2, a water collecting device 3, an air inlet 4, a filler 5, a fan 6, a grid 7, a grid 8 and a ventilating pipe.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described above, in the high-order water cooling tower, the flow area between the outermost water collecting device and the tower wall is small, so that the ventilation amount of the packing area above the outermost water collecting device is low, and the cooling effect is poor. Therefore, a tower wall structure of the high-level water-receiving cooling tower is provided to increase the ventilation volume of the area; the invention will now be further described with reference to the accompanying drawings and detailed description.
A tower wall structure of a high-level water-collecting cooling tower is characterized in that a through groove is formed in a tower wall from the bottom of a filler to the upper part of a water collecting groove so as to communicate the inside and the outside of the cooling tower.
The outside air enters the area above the water receiving groove of the cooling tower through the pores or the through-flow grating or the ventilation pipe so as to increase the ventilation quantity of the packing area above the outermost water receiving device, improve the overall cooling performance of the high-level water receiving cooling tower and solve the problems of low ventilation quantity and poor cooling effect of the packing area above the outermost water receiving device.
In some embodiments, the through slots are circular, rectangular, or arcuate in cross-section.
Furthermore, a grid or a ventilation pipe is arranged in the through groove.
Furthermore, the included angle between the blades of the grating and the horizontal direction is 3-15 degrees, and one side of the blades close to the interior of the cooling tower is arranged in a downward inclined mode.
The inward downward sloping setting of grid can prevent effectively to receive water installation and receive water in-process splash water from the grid, avoids the waste of water.
Furthermore, the outer end of the vent pipe extends out of the tower wall by 10-50cm, and the outer end of the vent pipe is trumpet-shaped.
Still further, the ventilation pipe is inclined downwards by 3-10 degrees from outside to inside.
In some embodiments, the high-level water-receiving cooling tower is a natural draft high-level tower or a mechanical draft high-level tower.
A high-order water cooling tower that receives, includes the tower wall structure of high-order water cooling tower that receives.
Example 1
Referring to fig. 1 and 2, a tower wall structure of a single-side air inlet mechanical draft high-level water receiving cooling tower comprises: the tower comprises a solid tower wall 1 and through grooves 2, wherein the through grooves are 2 in the upper part and 2 in the lower part, the through grooves are rectangular in shape, and the distance between the two through grooves is 0.3 m. The length of the upper through groove is 18m, and the width of the upper through groove is 1 m; the length of the lower through groove is 18m, and the width of the lower through groove is 0.8 m. The upper edge of the upper through groove is positioned below the filler, and the height difference between the upper edge of the upper through groove and the bottom of the filler is 0.3 m; the height difference between the lower edge of the lower through groove and the lower edge of the tower wall is 0.5 m.
Example 2
Referring to fig. 3 and 4, a tower wall structure of a single-sided air inlet mechanical ventilation high-level water collecting cooling tower comprises: the tower wall through-flow grating comprises a solid tower wall 1 and a tower wall through-flow grating 7, wherein the tower wall through-flow grating 7 comprises an upper row, a middle row and a lower row which are 3, each row comprises 4 columns, and 12 grating areas are totally formed, and all the grating areas are rectangular and have equal areas. The length of the grid area is 5m and the width is 0.5 m. The upper edge of the uppermost grid area is positioned below the filler, and the height difference between the upper edge of the uppermost grid area and the lower bottom surface of the filler is 0.3 m; and the height difference between the lower edge of the lowermost grid area and the lower edge of the tower wall is 0.4 m. The grating 7 is installed in a grid shape.
Example 3
Referring to fig. 5 and 6, a tower wall structure of a natural draft high-level water receiving cooling tower includes: a solid tower wall 1 and through slots 2. In order to enhance the strength of the tower wall structure, the through grooves 2 are arched. The length of the lower edge of the through groove 2 is consistent with the length of the outermost periphery water collecting device, the height of the upper edge of the through groove 2 is consistent with the height of the upper edge of the water collecting inclined plate, and the height of the through groove 2 is the same as the height of the water collecting inclined plate.
Example 4
Referring to fig. 7 and 8, a tower wall structure of a single-side air inlet mechanical draft high-level water receiving cooling tower comprises: solid tower wall 1 and logical groove 2, logical groove 2 have 9, and the shape is circular, and the centre of a circle interval of adjacent logical groove is 1.2 m. The radius of the through groove is 0.5 m. The upper edge of the through groove 2 is positioned below the filler, the height difference between the upper edge of the through groove 2 and the bottom of the filler 5 is 0.5m, and the height difference between the lower edge of the through groove 2 and the lower edge of the tower wall is 0.5 m.
Example 5
Referring to fig. 9 and 10, a tower wall structure of a single-side air inlet mechanical draft high-level water collecting cooling tower comprises: the tower comprises a solid tower wall 1 and grilles 7, wherein the grilles 7 have 9 areas and are circular in shape, and the circle center distance between every two adjacent grilles 7 is 1.2 m. The radius of the grid 7 is 0.5 m. The upper edge of the grid 7 is positioned below the packing 5, the height difference with the bottom of the packing 5 is 0.5m, and the height difference between the lower edge of the grid area and the lower edge of the tower wall is 0.5 m. The grating 7 is installed in a grid shape.
Example 6
Referring to fig. 11 and 12, a tower wall structure of a single-side air inlet mechanical draft high-level water receiving cooling tower comprises: the tower comprises a solid tower wall 1 and 8 ventilation pipes 8, wherein the number of the ventilation pipes 8 is 8. The inner end of the vent pipe 8 is led to the inner wall side of the tower wall, and the outer end of the vent pipe 8 extends out of the outer side of the tower wall by 50 cm. The outer end of the vent pipe 8 is trumpet-shaped, and the vent pipe 8 inclines downwards by 5 degrees from outside to inside. The upper edge of the ventilation pipe 8 is positioned below the filler, the height difference between the upper edge of the ventilation pipe 8 and the bottom of the filler 5 is 0.2m, and the height difference between the upper edge of the ventilation pipe and the lower edge of the tower wall is 0.2 m.
Example 7
Referring to fig. 13 and 14, a tower wall structure of a single-sided air inlet mechanical draft high-level water receiving cooling tower comprises: the tower comprises a solid tower wall 1 and 9 grating areas 7, wherein the grating areas are circular, and the circle center distance between every two adjacent gratings 7 is 1.2 m. The radius of the grid area is 0.5 m. The upper edge of the grid area is positioned below the filler, the height difference between the upper edge of the grid area and the bottom of the filler 5 is 0.5m, and the height difference between the lower edge of the grid area and the lower edge of the tower wall is 0.5 m. The grating 7 is a rectangular sheet structure, and the included angle between the grating 7 and the horizontal direction is 5 degrees, so that the cooling tower is ensured that water falling does not spill out.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a tower wall structure of water cooling tower is received to high-order which characterized in that: and a through groove is formed in the tower wall between the bottom of the filler and the upper part of the water receiving groove so as to communicate the inside and the outside of the cooling tower.
2. The tower wall structure of the high-level water-collecting cooling tower according to claim 1, characterized in that: the cross section of the through groove is circular, rectangular or arched.
3. The tower wall structure of the high-level water-collecting cooling tower according to claim 1, characterized in that: and a grating or a ventilation pipe is arranged in the through groove.
4. The tower wall structure of the high-level water-collecting cooling tower according to claim 3, characterized in that: the included angle between the blades of the grating and the horizontal direction is 3-15 degrees, and one side of the blades close to the inside of the cooling tower is arranged in a downward inclined mode.
5. The tower wall structure of the high-level water-collecting cooling tower according to claim 3, characterized in that: the outer end of the ventilating pipe extends out of the tower wall by 10-50 cm.
6. The tower wall structure of the high-level water-collecting cooling tower according to claim 5, characterized in that: and the outer end of the vent pipe is trumpet-shaped.
7. The tower wall structure of the high-level water-collecting cooling tower according to claim 5, characterized in that: the ventilating pipe is inclined downwards by 3-10 degrees from outside to inside.
8. The tower wall structure of the high-level water-collecting cooling tower according to claim 5, characterized in that: the ventilation pipe is inclined downwards by 5-8 degrees from outside to inside.
9. The tower wall structure of the high-level water-collecting cooling tower according to claim 1, characterized in that: the high-level water-receiving cooling tower is a natural draft high-level tower or a mechanical draft high-level tower.
10. The utility model provides a high-order water cooling tower of receiving which characterized in that: a tower wall structure comprising the high-level water-collecting cooling tower as claimed in any one of claims 1 to 9.
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| CN202010160845.2A CN111351392B (en) | 2020-03-10 | 2020-03-10 | Tower wall structure of high-order water cooling tower of receiving and cooling tower |
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| CN202010160845.2A CN111351392B (en) | 2020-03-10 | 2020-03-10 | Tower wall structure of high-order water cooling tower of receiving and cooling tower |
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| CN111351392A true CN111351392A (en) | 2020-06-30 |
| CN111351392B CN111351392B (en) | 2021-03-26 |
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| CN109506489A (en) * | 2018-11-26 | 2019-03-22 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of air-guiding high position receipts water cooling tower |
| CN209054975U (en) * | 2018-10-24 | 2019-07-02 | 江苏海鸥冷却塔股份有限公司 | A kind of hybrid water-saving cooling tower of fog dispersal of condensation |
| CN110132026A (en) * | 2019-05-16 | 2019-08-16 | 济南蓝辰能源技术有限公司 | A kind of gravity-flow ventilation high position that rushton turbine catchments receipts water cooling tower |
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|---|---|
| CN111351392B (en) | 2021-03-26 |
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