CN203881204U - Internal water distributing zoning device of wet natural draft cooling tower - Google Patents
Internal water distributing zoning device of wet natural draft cooling tower Download PDFInfo
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- CN203881204U CN203881204U CN201420253872.4U CN201420253872U CN203881204U CN 203881204 U CN203881204 U CN 203881204U CN 201420253872 U CN201420253872 U CN 201420253872U CN 203881204 U CN203881204 U CN 203881204U
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Abstract
The utility model relates to an internal water distributing zoning device of a wet natural draft cooling tower. Inner peripheral water distributing zones and outer peripheral water distributing zones are arranged in the cooling tower and comprise single-layer water distributing grooves and double-layer water distributing grooves, and all the water distributing grooves are provided with flashboard hoists which are positioned at inlets in a central vertical shaft. The internal water distributing zoning device has the advantages that the various water distributing grooves are provided with the flashboard hoists which are arranged in the central vertical shaft, so that the various zones can run under the control of the flashboard hoists, and packing, water distributing pipes and spray nozzles in the wet natural draft cooling tower can be inspected and maintained in the various zones; a pool of the cooling tower is provided with a partition wall, so that a half of the pool can be cleaned without affecting normal running of the cooling tower.
Description
Technical field
The utility model relates to cooling tower field, relates in particular to water distribution partitioning device in a kind of wet type cooling stack.
Background technology
Wet type cooling stack is the common supporting construction of structures of the clammy unit in thermal power plant.Along with the development of engineering construction and technology, the design of cooling tower has also obtained certain development.Usually, in wet cooling tower water distribution is divided into, enclose 2 parts of water distribution and peripheral water distribution, meet the full tower water distribution of cooling tower and 2 operating modes of peripheral water distribution.In design, distribution channel is divided into individual layer distribution channel and double-deck distribution channel at present, but only the one deck in double-deck distribution channel is installed flashboard headstock gear, close this flashboard headstock gear, inside enclose water distribution region and just do not move, only move peripheral water distribution region, open this flashboard headstock gear, full tower operation, thus in enclose water distribution and peripheral water distribution can not independent operating, and general pond of cooling tower cleaning deposition is must full tower out of service, be unfavorable for engineering application, efficiency is extremely low.
Summary of the invention
The purpose of this utility model be to provide a kind of can meet actual requirement of engineering, each water distribution region can independent operating, meets water distribution partitioning device in the wet type cooling stack of inner-tower filling material, sparge pipe and shower nozzle energy subregion Problem.
For achieving the above object, the utility model takes following technical scheme to be achieved:
In comprising in cooling tower, enclose water distributing area and peripheral water distributing area, in water distributing area, comprise individual layer distribution channel and double-deck distribution channel, and the entrance that all distribution channels are positioned at Central Shaft all arranges flashboard headstock gear.
In described, enclose in water distributing area two groups of relative double-deck distribution channels are set, peripheral water distributing area arranges two groups of relative individual layer distribution channels.
In described, enclose water distributing area and be divided into 2 water distribution subregions, peripheral water distributing area is divided into 6 water distribution subregions.
The pond of described cooling tower bottom arranges pond is divided into two-part partition wall, and water distribution subregion is symmetrically distributed in partition wall both sides separately.
The pond of described cooling tower bottom is outer, partition wall both sides arrange gate or get in touch with valve.
Described cooling tower water distribution adopts slot type water distribution or tube seat in conjunction with water distribution mode.
The utility model advantage is:
Cooling tower distribution channel is divided into the water distribution of individual layer distribution channel and double-deck distribution channel water distribution, in Central Shaft, each distribution channel is all arranged to flashboard headstock gear, can pass through the operation in the each district of flashboard headstock gear control, each distribution channel can independent operating, also can be combined operation, at any time can cut and stop any one distribution channel, to its filler, sparge pipe and shower nozzle etc. are safeguarded, do not affect the normal operation of all the other distribution channels, do not affect the normal operation of unit yet, adverse effect to unit output or coal consumption during reduction cooling tower repair and maintenance, improve efficiency, meet the demand of engineering application.
Further, pond of cooling tower is divided into two parts by arranging of partition wall, can, by closing the water distribution region of half, can clear up corresponding pond, and second half cooling tower still can move in water distribution, meets the requirement of half tower desilting.
Further, bed rearrangement cooling tower is divided into eight regions, the water distribution of each region can independent operating, also can carry out region any combination operation.
Further, gate or contact valve are set, when two public cooling stacks of unit, a unit maintenance, when a unit operation, tower water distribution operation entirely, reduces and tower water temperature, reduces back pressure, exerts oneself or saves coal consumption to increase.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model water distribution subregion schematic diagram;
Wherein, partition wall-1; Individual layer distribution channel-2; Individual layer distribution channel flashboard headstock gear-3; Double-deck distribution channel-4; Double-deck distribution channel flashboard headstock gear-5; Central Shaft-6; Contact valve-7.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details:
As shown in Figure 1, cooling tower adopts slot type water distribution or tube seat in conjunction with water distribution mode, distribution channel is divided into two groups of relative individual layer distribution channels 2 and two groups of relative double-deck distribution channels 4, in Central Shaft 6, each distribution channel entrance is arranged respectively to individual layer distribution channel flashboard headstock gear 3 and double-deck distribution channel flashboard headstock gear 5.
As shown in Figure 2, inside enclose water distributing area and comprise 1st district and 2 Liang Ge regions, district, peripheral water distributing area comprises 3～8 Liu Ge regions, district, and individual layer distribution channel flashboard headstock gear 3 is arranged in juxtaposition; Double-deck distribution channel flashboard headstock gear 5 is arranged up and down, two groups of double-deck distribution channels 4 comprise respectively No. 1 and No. 3, No. 2 and No. 4 flashboard headstock gears arranging up and down, and No. 1, No. 2 flashboard headstock gears on top enclose respectively 1st district and 2nd district of water distributing area in correspondence, all the other all flashboard headstock gears are 3rd～8 district of corresponding peripheral water distributing area respectively, the corresponding water distribution subregion of each flashboard headstock gear, can control this region independent operating and repair and maintenance; And arrange pond is divided into two-part partition wall 1 in the pond of cooling tower bottom, can meet the requirement of half tower desilting, normally move and do not affect cooling tower; 1st district of water distribution subregion, 3rd district, 5th district, corresponding 2nd district, 4th district, 6th district, 8th district respectively of 7th district, be symmetrically distributed in partition wall 1 both sides; Pond in cooling tower bottom is outer, partition wall 1 both sides arrange gate or contact valve 7, can meet the condition that any half tower of two machine expanding unit service conditions processed and cooling tower moves.
Cooling tower water distribution is divided into 8 regions by the utility model, close any one flashboard headstock gear and close a water distribution subregion with regard to correspondence, make the water distribution of each region can independent operating, also can carry out region any combination operation, at any time can cut the water distribution that stops any one region, its filler, sparge pipe and shower nozzle etc. are safeguarded to all the other 7 area operations, the adverse effect to unit output or coal consumption during reduction cooling tower repair and maintenance; 8 water distribution regions of the present utility model are symmetrical, pond, bottom is corresponding separates, can be by closing the water distribution region of half, clear up corresponding pond, and second half cooling tower still can move in water distribution, tower is out of service entirely to avoid pond of cooling tower cleaning deposition, greatly raises the efficiency, and can meet requirement of engineering.
Claims (6)
1. water distribution partitioning device in a wet type cooling stack, it is characterized in that: in comprising in cooling tower, enclose water distributing area and peripheral water distributing area, in water distributing area, comprise individual layer distribution channel (2) and double-deck distribution channel (4), and the entrance that all distribution channels are positioned at Central Shaft (6) all arranges flashboard headstock gear.
2. water distribution partitioning device in a kind of wet type cooling stack according to claim 1, it is characterized in that: in described, enclose in water distributing area two groups of relative double-deck distribution channels (4) are set, peripheral water distributing area arranges two groups of relative individual layer distribution channels (2).
3. water distribution partitioning device in a kind of wet type cooling stack according to claim 2, is characterized in that: in described, enclose water distributing area and be divided into 2 water distribution subregions, peripheral water distributing area is divided into 6 water distribution subregions.
4. water distribution partitioning device in a kind of wet type cooling stack according to claim 3, it is characterized in that: the pond of described cooling tower bottom arranges pond is divided into two-part partition wall (1), and water distribution subregion is symmetrically distributed in partition wall (1) both sides separately.
5. water distribution partitioning device in a kind of wet type cooling stack according to claim 3, is characterized in that: the pond of described cooling tower bottom is outer, partition wall both sides arrange gate or get in touch with valve (7).
6. according to water distribution partitioning device in a kind of wet type cooling stack described in claim 1-5 any one, it is characterized in that: described cooling tower water distribution adopts slot type water distribution or tube seat in conjunction with water distribution mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253872.4U CN203881204U (en) | 2014-05-16 | 2014-05-16 | Internal water distributing zoning device of wet natural draft cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253872.4U CN203881204U (en) | 2014-05-16 | 2014-05-16 | Internal water distributing zoning device of wet natural draft cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881204U true CN203881204U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420253872.4U Active CN203881204U (en) | 2014-05-16 | 2014-05-16 | Internal water distributing zoning device of wet natural draft cooling tower |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679493A (en) * | 2017-01-03 | 2017-05-17 | 华电电力科学研究院 | Water distribution method capable of increasing heat exchange efficiency of cooling tower in two-unit one-tower combination |
| CN107462083A (en) * | 2017-09-13 | 2017-12-12 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of crossing current tower for being capable of partition running applied to more units |
| CN110030870A (en) * | 2019-04-24 | 2019-07-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Water distribution partitioning device in a kind of cooling tower |
-
2014
- 2014-05-16 CN CN201420253872.4U patent/CN203881204U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679493A (en) * | 2017-01-03 | 2017-05-17 | 华电电力科学研究院 | Water distribution method capable of increasing heat exchange efficiency of cooling tower in two-unit one-tower combination |
| CN107462083A (en) * | 2017-09-13 | 2017-12-12 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of crossing current tower for being capable of partition running applied to more units |
| CN107462083B (en) * | 2017-09-13 | 2023-05-09 | 中国电力工程顾问集团西北电力设计院有限公司 | Cross flow tower applied to multiple units and capable of running in partitioned mode |
| CN110030870A (en) * | 2019-04-24 | 2019-07-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Water distribution partitioning device in a kind of cooling tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
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| CP03 | Change of name, title or address |
Address after: 22 No. 710075, unity South Road, hi tech Industrial Development Zone, Shaanxi, Xi'an Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation |