CN109237961B - Transformation method and structure for changing wet cooling tower into dry cooling tower of power plant - Google Patents
Transformation method and structure for changing wet cooling tower into dry cooling tower of power plant Download PDFInfo
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- CN109237961B CN109237961B CN201811251515.3A CN201811251515A CN109237961B CN 109237961 B CN109237961 B CN 109237961B CN 201811251515 A CN201811251515 A CN 201811251515A CN 109237961 B CN109237961 B CN 109237961B
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- cooling tower
- air
- tower body
- wet
- natural ventilation
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- 238000001816 cooling Methods 0.000 title claims abstract description 203
- 238000011426 transformation method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000009423 ventilation Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000002689 soil Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 5
- 238000002407 reforming Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000009420 retrofitting Methods 0.000 claims 3
- 238000002715 modification method Methods 0.000 claims 2
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 229920006262 high density polyethylene film Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- 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
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
Abstract
The invention discloses a method and a structure for modifying a wet cooling tower into a dry cooling tower of a power plant, which comprises the following steps: 1) Retaining the cooling tower body of the existing natural ventilation wet cooling tower; 2) Newly building a side wall and a top plate on a bottom plate of a water collecting tank at the bottom of the natural ventilation wet cooling tower to form a closed reservoir; a waterproof layer is integrally laid on the inner surface of the reservoir to form a closed underground water tank; 3) Arranging an air cooling system underground pipe network in or outside the natural ventilation cooling tower; 4) The newly added air-cooled heat exchangers are vertically arranged on the outer periphery of the cooling tower body; 5) And a widening platform is established between the top of the air cooling heat exchanger and the cooling tower body and is supported on a vertical support column outside the cooling tower body. The transformation method fully utilizes the existing civil facilities of the old tower, does not newly build an air cooling tower, and has low civil construction cost; the effective height of the air inlet of the cooling tower is increased to the maximum extent, and the air resistance is reduced.
Description
Technical Field
The invention belongs to the field of industrial cooling design, and relates to a method and a structure for modifying a wet cooling tower into a dry cooling tower of a power plant.
Background
For the purpose of water saving or limited by water policy, some power plants adopting wet secondary circulation cooling systems in operation put forward the requirement of modifying wet cooling systems into air cooling systems. The power plants and the units often run for many years, if a new dry cooling tower is built after an existing natural ventilation wet cooling tower is removed, the problems that the service life of the new cooling tower is inconsistent with that of the existing unit equipment, the economical efficiency is poor and the like exist, and when the existing natural ventilation wet cooling tower is reformed, all power plant parties often hope to continuously use the existing natural ventilation wet cooling tower.
Compared with a specially designed air cooling tower, the vertical height of the air inlet of the traditional natural ventilation wet cooling tower is obviously much smaller, and if the air inlet is directly used as the air cooling tower, the air resistance is larger due to the limitation of the total area of the air inlet. In addition, the diameter of 0m of the natural ventilation wet cooling tower is obviously smaller than that of the air cooling tower.
The reconstruction principle is as follows: the existing cooling tower body is utilized to the maximum extent; the method has the advantages that the field around the existing cooling tower is utilized to the greatest extent, and the air cooling heat exchangers are arranged as much as possible; the effective height of the air inlet is increased as much as possible to reduce the air inlet resistance; and then the cooling facilities such as a newly added peak cooler are matched, so that the cooling requirement of the unit is met.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a transformation method and a structure for changing a wet cooling tower of a power plant into a dry cooling tower, the method fully utilizes an old tower, removes unnecessary existing process facilities and civil engineering members which influence air flow in the old tower, maintains the existing cooling tower body (a tower barrel, an inclined strut supporting the tower barrel, a column bottom buttress connecting the inclined strut and a ring base, a cooling tower ring base and the like) to be not modified, furthest utilizes the field around the existing cooling tower to arrange air cooling heat exchangers as much as possible, increases the effective height of an air inlet as much as possible to reduce air inlet resistance, and then matches with newly added peak coolers and other facilities to meet the cooling requirement of a unit.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a method for reforming a wet cooling tower into a dry cooling tower of a power plant comprises the following steps:
1) Retaining the cooling tower body of the existing natural ventilation wet cooling tower; dismantling a dehydrator, a water distribution system and a structure of the existing natural ventilation wet cooling tower; removing the pool wall of the water collecting pool at the bottom of the existing natural ventilation wet cooling tower, and digging out the peripheral soil body at the outer side of the pool wall of the water collecting pool of the existing natural ventilation wet cooling tower to reach the elevation of the top surface of the ring base of the cooling tower body;
2) Newly building a side wall of a reservoir and a top plate of the reservoir on a bottom plate of a water collecting tank at the bottom of the natural ventilation wet cooling tower to form a closed reservoir; a waterproof layer is integrally laid on the inner surface of the reservoir to form a closed underground water tank;
3) Arranging an underground pipe network of the air cooling system in or out of the cooling tower body;
4) The newly added air-cooled heat exchangers are vertically arranged on the outer periphery of the cooling tower body;
5) A widening platform is arranged between the top of the air cooling heat exchanger and the cooling tower body and is supported on a vertical support column outside the cooling tower body; and the transformation process of changing the natural ventilation wet cooling tower into the natural ventilation dry cooling tower is completed.
As a further improvement of the invention, the method further comprises the step of removing the process facilities and civil engineering members which have the effect of blocking the air flow in the existing natural draft wet cooling tower.
As a further improvement of the present invention, the method further comprises the step of arranging a factory road outside the air-cooled heat exchanger.
As a further development of the invention, the reservoir ceiling plane is rectangular, annular or circular, and the reservoir is arranged inside the cooling tower body and is arranged outside the air inlet area above the cooling tower body ring base.
As a further improvement of the invention, a water retaining ridge or a water retaining dyke is arranged on the outer slope top of the peripheral soil body.
As a further improvement of the invention, the cooling tower body is of a reinforced concrete space thin shell structure or a steel structure single-layer or double-layer grid structure.
As a further improvement of the present invention, the air-cooled heat exchangers are vertically arranged along the non-circular geometry at the outer periphery of the cooling tower body.
As a further improvement of the present invention, the air-cooled heat exchangers are vertically arranged along a circle at the outer periphery of the cooling tower body.
As a further improvement of the invention, the tower core vertical shaft of the natural ventilation wet cooling tower is modified to be used as a supporting structure of a high-level water tank in the tower.
A retrofit architecture for a wet cooling tower to a dry cooling tower for a power plant, comprising: the cooling tower comprises a cooling tower body, an air cooling heat exchanger and an underground water tank, wherein the air cooling heat exchanger is vertically arranged on the periphery of the cooling tower body; a widening platform is arranged between the top of the air cooling heat exchanger and the cooling tower body and is supported on a vertical support column outside the cooling tower body; the underground water tank is arranged at the bottom of the cooling tower body and is a closed reservoir formed by a bottom plate of the water collecting tank, a side wall of the reservoir and a top plate of the reservoir; and a waterproof layer is integrally laid on the inner surface of the reservoir.
Compared with the prior art, the invention has the following advantages:
according to the transformation method for changing the wet cooling tower into the dry cooling tower of the power plant, disclosed by the invention, the cooling tower body of the existing natural ventilation wet cooling tower is kept to be unmodified, and the existing process facilities and civil engineering members which are unnecessary in the existing natural ventilation wet cooling tower and influence the air flow are removed; removing the pool wall of the water collecting pool on the ring base of the existing natural ventilation wet cooling tower; digging out the soil body of the peripheral ring outside the pool wall of the existing natural ventilation wet cooling tower to the elevation of the top surface of the ring foundation; the newly added air-cooled heat exchangers are arranged in a circular or non-circular plane and are vertically arranged on the periphery of the natural ventilation cooling tower; the widening platform from the top of the air cooling heat exchanger to the cooling tower body is supported on a vertical support column which is independent of the cooling tower body, and the total heat dissipation capacity is insufficient and is supplemented by cooling facilities such as a newly added peak cooler. The transformation method fully utilizes the existing civil facilities of the old tower, does not newly build an air cooling tower, and has low civil construction cost; the effective height of the air inlet of the cooling tower is increased to the maximum extent, and the air resistance is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic view of the removed portion of the old column of the present invention (the two-dot chain line portion shows the removal);
FIG. 3 is a schematic cross-sectional view of an additional reservoir of the present invention;
FIG. 4 is a three-dimensional view of the present invention in use;
in the figure: 1-a cooling tower body; 2-a dehydrator; 3-spray head; 4-brackets; 5-framing beams and columns; 6-a tower core pressure water distribution tank; 7-pool walls; 8-surrounding soil mass; a 9-cyclic group; 10-a tower core vertical shaft; 11-pressure water inlet ditch; 12-water retaining dikes; 13-a water storage tank bottom plate; 14-reservoir side walls; 15-reservoir top plate; 16-reservoir; 20-an air-cooling heat exchanger; 21-stretching a platform; 22-vertical support columns; 23-factory road.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-4, the invention provides a method for reforming a wet cooling tower into a dry cooling tower of a power plant, which comprises the following steps:
a cooling tower body 1 of the existing natural ventilation wet cooling tower is reserved; dismantling a water remover 2, a water distribution pipe system, a spray head 3, a water spraying filler, a bracket 4, a framework beam column 5 and the like in the existing natural ventilation wet cooling tower; removing a pool wall 7 of a water pool at the bottom of the existing natural ventilation wet cooling tower; digging out the peripheral soil body 8 outside the pool wall of the existing natural ventilation wet cooling tower to the elevation of the top surface of the ring base 9; the newly added air-cooled heat exchangers 20 are arranged in a circular or non-circular plane and are vertically arranged on the periphery of the cooling tower body 1; the widening platform 21 of the air-cooled heat exchanger, which is mounted on the cooling tower body, is supported on vertical support columns 22 which are arranged independently of the cooling tower body. And the transformation process of changing the natural ventilation wet cooling tower into the natural ventilation dry cooling tower is completed.
The existing cooling tower body 1 is a reinforced concrete space thin shell structure or a steel structure single-layer or double-layer grid structure, and comprises: the tower drum, the inclined strut supporting the tower drum, the column bottom buttress connecting the inclined strut and the ring base 9, the cooling tower ring base 9 and the like.
The method also comprises the steps of removing process facilities and basic building components which have obvious blocking effect on air flow in the existing natural ventilation wet cooling tower, such as a dehydrator 2, a water distribution pipeline and spray heads 3, water spraying fillers and brackets 4, water spraying framework beams and columns 5 and the like, wherein a tower core pressure water distribution tank 6, a pressure water inlet channel 11 and the like of the natural ventilation wet cooling tower can not be removed, and a tower core vertical shaft 10 can be heightened and transformed into a supporting civil architecture of a high-level water tank in the tower.
Removing the pool wall 7 of the existing natural ventilation wet cooling tower, and digging out the peripheral soil body 8 outside the pool wall of the natural ventilation wet cooling tower to the elevation of the top surface of the ring base 9 so as to increase the area of the air inlet and reduce the air inlet resistance, thereby increasing the air inlet quantity; the outer slope is provided with a water blocking ridge or water blocking dyke 12 at the top to prevent water in the outer ground area of the tower from entering the tower.
The existing natural ventilation wet cooling tower water collecting tank bottom plate 13 is utilized, a side wall 14 and a top plate 15 are newly built on the bottom plate 13 to form a closed water storage tank 16, film materials such as HDPE films or other anti-corrosion waterproof coating systems and the like are integrally laid on the inner surface of a concrete structure of the water storage tank 16, and a closed box body is formed to enable desalted water contained in the water storage tank to be isolated from the concrete wall plate of the water storage tank; the large-capacity underground water tank of the air cooling system can reach thousands of cubic meters, replace the traditional steel underground water tank with equal capacity, and reduce cost. The newly built reservoir 16 may be rectangular, annular, circular or otherwise shaped in plan and is arranged within the tower and out of the air intake area above the ring base 9 so as not to impede air intake.
The underground pipe network of the air cooling system is arranged outside the tower, and can also be arranged inside the tower.
The design principle of the invention is as follows: the cooling tower body of the existing natural ventilation wet cooling tower is kept unchanged; removing the existing process facilities and civil engineering members which are unnecessary and influence the air flow, such as the dehydrator 2, the water distribution pipe system, the spray head 3, the water spraying filler, the bracket 4, the framework beam column 5 and the like in the existing natural ventilation wet cooling tower; removing a water collecting tank wall 7 on the existing natural ventilation wet cooling tower ring base 9; digging out the soil mass 8 of the peripheral ring outside the pool wall 7 of the existing natural ventilation wet cooling tower to the elevation of the top surface of the ring base 9; the tower core vertical shaft 10 is modified to be used as a supporting structure of a high-level water tank in the tower; newly-built side walls 14 and a top plate 15 on the bottom plate of the existing water collecting tank to form a newly-built reservoir 16; the newly built reservoir 16 may be rectangular, annular, circular or otherwise shaped in plan and disposed within the tower and out of the air intake area above the ring base 9 so as not to impede air intake; the newly added air-cooled heat exchangers 20 are arranged in a circular or non-circular plane and are vertically arranged on the periphery of the cooling tower body; the widening platform from the top of the air-cooled heat exchanger to the cooling tower body is supported on a vertical support column 22 which is arranged independently of the cooling tower body; the lack of total heat dissipation capacity is partially supplemented by the newly added cooling facilities such as spike coolers.
The transformation structure of the wet cooling tower to the dry cooling tower of the power plant obtained by the transformation method comprises the following steps: the cooling tower comprises a cooling tower body 1, an air-cooling heat exchanger 20 and an underground water tank, wherein the air-cooling heat exchanger 20 is vertically arranged on the periphery of the cooling tower body 1; a widening platform 21 is arranged between the top of the air-cooled heat exchanger 20 and the cooling tower body 1, and the widening platform 21 is supported on a vertical support column 22 outside the cooling tower body 1; the underground water tank is arranged at the bottom of the cooling tower body 1, and a closed reservoir 16 is formed by a water collecting tank bottom plate 13, a newly built side wall 14 and a newly built top plate 15; the water-proof layer is integrally laid on the inner surface of the reservoir 16.
Wherein the air-cooled heat exchanger 20 is externally provided with a factory road 23.
The plane of the top plate of the water reservoir 16 is rectangular, annular or circular, and the water reservoir 16 is arranged inside the natural draft cooling tower 1 and avoids the air inlet area above the annular base 9 of the cooling tower body 1.
The side slope top of the peripheral soil body 8 is provided with a water retaining bank or water retaining dyke 12.
The cooling tower body 1 is a reinforced concrete space thin shell structure or a steel structure single-layer or double-layer grid structure.
The air-cooled heat exchanger 2 is generally vertically arranged along a circular shape at the outer periphery of the cooling tower body 1. In particular, the air-cooled heat exchanger 2 is arranged vertically along a non-circular geometry at the outer periphery of the cooling tower body 1. The width from the top of the air-cooled heat exchanger to the widened platform of the natural ventilation cooling tower body is larger and different in width, and a self-supporting or other supporting type sealing structure can be adopted. Compared with the traditional natural ventilation air cooling system of the power plant with the circular plane arrangement of the air cooling heat exchangers, the invention can fully and reasonably utilize the plant area around the natural ventilation air cooling tower, and the arrangement circumference of the air cooling heat exchangers is increased to increase the arrangement quantity of the air cooling heat exchangers, thereby reducing the vertical height of the air cooling heat exchangers and achieving the purposes of reducing the water resistance of the air cooling heat exchangers and reducing the power and the power consumption of the circulating water pump.
The invention is used for air cooling transformation of the existing natural ventilation wet cooling tower and has the following characteristics:
1. the invention can fully utilize the existing cooling tower structure, does not newly build an air cooling tower, and has low civil engineering cost;
2. the effective height of the air inlet of the cooling tower can be increased to the greatest extent, the total air inlet area is increased, and the air resistance is reduced.
The foregoing is a further elaboration of the present invention, and it is not intended that the invention be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the invention, all shall be deemed to fall within the scope of the invention as defined by the claims which are filed herewith.
Claims (8)
1. A transformation method for changing a wet cooling tower into a dry cooling tower of a power plant is characterized by comprising the following steps of: the method comprises the following steps:
1) A cooling tower body (1) of the existing natural ventilation wet cooling tower is reserved; dismantling a dehydrator (2), a water distribution system and a structure of the existing natural ventilation wet cooling tower; removing a pool wall (7) of a water pool at the bottom of the existing natural ventilation wet cooling tower, and digging out a peripheral soil body (8) at the outer side of the water pool wall (7) of the existing natural ventilation wet cooling tower to the elevation of the top surface of a ring base (9) of the cooling tower body (1);
2) Newly building a side wall (14) of a reservoir and a top plate (15) of the reservoir on a bottom plate (13) of a water collecting tank at the bottom of the natural ventilation wet cooling tower to form a closed reservoir (16); a waterproof layer is integrally laid on the inner surface of the reservoir (16) to form a closed underground water tank;
3) An air cooling system underground pipe network is arranged in or outside the cooling tower body (1);
4) The newly added air-cooled heat exchangers (20) are vertically arranged on the outer periphery of the cooling tower body (1);
5) A widening platform (21) is arranged between the top of the air cooling heat exchanger (20) and the cooling tower body (1), and the widening platform (21) is supported on a vertical support column (22) outside the cooling tower body (1); the transformation process of changing the natural ventilation wet cooling tower into the natural ventilation dry cooling tower is completed;
the plane of the top plate of the water reservoir (16) is rectangular, annular or circular, and the water reservoir (16) is arranged in the cooling tower body (1) and avoids an air inlet area above the annular base (9) of the cooling tower body (1);
the outer slope top of the peripheral soil body (8) is provided with a water retaining ridge or a water retaining dyke (12).
2. The method for reforming a wet cooling tower to a dry cooling tower for a power plant according to claim 1, wherein: and the method also comprises the step of removing the process facilities and civil engineering members which have the effect of blocking the air flow in the existing natural ventilation wet cooling tower.
3. The method for reforming a wet cooling tower to a dry cooling tower for a power plant according to claim 1, wherein: the method also comprises the step of arranging a factory road (23) outside the air-cooled heat exchanger (20).
4. A method of retrofitting a wet cooling tower to a dry cooling tower for a power plant according to any one of claims 1 to 3, wherein: the cooling tower body (1) is a reinforced concrete space thin shell structure or a steel structure single-layer or double-layer grid structure.
5. A method of retrofitting a wet cooling tower to a dry cooling tower for a power plant according to any one of claims 1 to 3, wherein: the air-cooled heat exchanger (20) is vertically arranged along the non-circular geometry on the outer periphery of the cooling tower body (1).
6. A modification method of a wet cooling tower to a dry cooling tower of a power plant according to any one of claims 1 to 3, wherein the air-cooled heat exchanger (20) is vertically arranged along a circle on the outer periphery of the cooling tower body (1).
7. A method of retrofitting a wet cooling tower to a dry cooling tower of a power plant according to any one of claims 1 to 3, the tower core shaft (10) of the natural draft wet cooling tower (1) being retrofitted as a support structure for a head tank in the tower.
8. A modification structure of a wet cooling tower to a dry cooling tower of a power plant, a modification method of a wet cooling tower to a dry cooling tower of a power plant based on any one of claims 1 to 7, characterized by comprising: the cooling tower comprises a cooling tower body (1), an air-cooling heat exchanger (20) and an underground water tank, wherein the air-cooling heat exchanger (20) is vertically arranged on the periphery of the cooling tower body (1); a widening platform (21) is arranged between the top of the air cooling heat exchanger (20) and the cooling tower body (1), and the widening platform (21) is supported on a vertical support column (22) outside the cooling tower body (1); the underground water tank is arranged at the bottom of the cooling tower body (1), and a closed reservoir (16) is formed by a bottom plate of the water collecting tank, a side wall (14) of the reservoir and a top plate (15); the waterproof layer is integrally laid on the inner surface of the reservoir (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251515.3A CN109237961B (en) | 2018-10-25 | 2018-10-25 | Transformation method and structure for changing wet cooling tower into dry cooling tower of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251515.3A CN109237961B (en) | 2018-10-25 | 2018-10-25 | Transformation method and structure for changing wet cooling tower into dry cooling tower of power plant |
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| Publication Number | Publication Date |
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| CN109237961A CN109237961A (en) | 2019-01-18 |
| CN109237961B true CN109237961B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811251515.3A Active CN109237961B (en) | 2018-10-25 | 2018-10-25 | Transformation method and structure for changing wet cooling tower into dry cooling tower of power plant |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1196461A (en) * | 1967-02-08 | 1970-06-24 | Gkn Birwelco Ltd | Improvements in or relating to Heat Exchanger Assemblies |
| US4397793A (en) * | 1978-06-08 | 1983-08-09 | Stillman Gerald I | Confined vortex cooling tower |
| CN102213556A (en) * | 2010-03-22 | 2011-10-12 | Spx冷却技术公司 | An apparatus and a method for an air bypass system for a natural draft cooling tower |
| CN205245876U (en) * | 2015-12-30 | 2016-05-18 | 中国电力工程顾问集团西北电力设计院有限公司 | Natural draft cooling tower's female tubular construction of direct air cooling system steam extraction |
| CN209054972U (en) * | 2018-10-25 | 2019-07-02 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of power plant wet cooling tower changes the reconstruction structure of dry cooling tower |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002951017A0 (en) * | 2002-08-26 | 2002-09-12 | Jott Australia Pty Ltd | Performance augmentation of natural draft cooling towers |
| US9528767B2 (en) * | 2015-04-30 | 2016-12-27 | Gea Egi Energiagazdalkodasi Zrt. | Hybrid cooling tower |
-
2018
- 2018-10-25 CN CN201811251515.3A patent/CN109237961B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1196461A (en) * | 1967-02-08 | 1970-06-24 | Gkn Birwelco Ltd | Improvements in or relating to Heat Exchanger Assemblies |
| US4397793A (en) * | 1978-06-08 | 1983-08-09 | Stillman Gerald I | Confined vortex cooling tower |
| CN102213556A (en) * | 2010-03-22 | 2011-10-12 | Spx冷却技术公司 | An apparatus and a method for an air bypass system for a natural draft cooling tower |
| CN205245876U (en) * | 2015-12-30 | 2016-05-18 | 中国电力工程顾问集团西北电力设计院有限公司 | Natural draft cooling tower's female tubular construction of direct air cooling system steam extraction |
| CN209054972U (en) * | 2018-10-25 | 2019-07-02 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of power plant wet cooling tower changes the reconstruction structure of dry cooling tower |
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| CN109237961A (en) | 2019-01-18 |
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