CN203274584U - Mechanical draft cooling tower provided with high-position water collecting device - Google Patents
Mechanical draft cooling tower provided with high-position water collecting device Download PDFInfo
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- CN203274584U CN203274584U CN 201320109589 CN201320109589U CN203274584U CN 203274584 U CN203274584 U CN 203274584U CN 201320109589 CN201320109589 CN 201320109589 CN 201320109589 U CN201320109589 U CN 201320109589U CN 203274584 U CN203274584 U CN 203274584U
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Abstract
The utility model relates to a mechanical draft cooling tower provided with a high-position water collecting device. The mechanical draft cooling tower comprises a tower body; the top of the tower body is provided with a fan; the tower body is internally provided with a water turbine, a water distribution pipeline and a filler layer; the bottom of the tower body is provided with an air inlet hole; the high-position water recovery device used for collecting cooling water falling off from the filler layer is arranged under the filler layer; the high-position water collecting device comprises a water collecting inclined plate, a water collecting tank and a water absorption well; the bottom end of the water collecting inclined plate is connected with an opening of the water collecting tank; and the water absorption well is internally provided with a circulating water pump which is communicated with the water turbine by a water inlet pipe. The water collecting device is arranged in the mechanical draft cooling tower and is set to be in a mode of high-position running, so that the cooling water falling off from the filler layer in the mechanical draft cooling tower can be collected, and the water turbine is driven by the collected cooling water with higher potential energy; and therefore, the complementary energy of the cooling water is reasonably utilized, and the electric energy loss of the water turbine is saved.
Description
Technical field
The utility model relates to the cooling tower in circulating cooling system, particularly a kind of mechanical-draft cooling tower.
Background technology
The circulation in the thermal power plant secondary circulation cooling systems that adopt with cooling stack, cooling structures wherein have two kinds of cooling stack and mechanical-draft cooling towers more.Wherein the cooling stack cooling stack is comprised of tower body, filler, water distribution system, water collection device, collecting-tank etc., cooling principle is to make the water that flows down from top to down carry out exchange heat with from below to up air in the process that fully contacts, thereby reaches cooling purpose; Such cooling tower is owing to just adopting natural wind to solve, and need not motor-driven, thereby saved power consumption, but has the higher shortcoming of initial stage construction cost.Mechanical-draft cooling tower is also to be made of tower body, distributing pipe line, packing layer and collecting-tank, be that with the difference of cooling stack the top of tower body is provided with the blower fan that is communicated with tower body, blower fan adopts motor-driven usually, thereby the natural wind at the bottom of tower is risen to tower top after the hole suction of tower body wind, increased the efficient of air water exchange; But the use due to motor has increased electric energy loss.
Yet in actual production process, needs due to lectotype selection, in circulating cooling system, the maximum of cooling water only accounts for 60～80% of design maximum amount, surplus often is wasted, therefore Chinese patent 201220356397.1 has proposed a kind of mechanical-draft cooling tower, this cooling tower is on existing mechanical-draft cooling tower basis, cooling water in collecting-tank is promoted to tower top by water circulating pump, by water inlet pipe, cooling water is sent into again the hydraulic turbine that is arranged on the blower fan below, driven blower fan by the hydraulic turbine and carry out work.Although the mechanical-draft cooling tower of this kind structure has been saved the electric energy loss that motor produces, because water circulating pump is arranged in collecting-tank, therefore, the recirculated water pump lift can be higher, equally can be in the electric energy loss that increases water circulating pump, and economy is relatively poor.
The utility model content
The utility model technical issues that need to address are to provide the lower mechanical-draft cooling tower of a kind of power consumption, to solve in present employing hydraulic turbine drive motor process the high problem of energy consumption due to the higher generation of circulating pump head.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:
Mechanical-draft cooling tower with high-order water collector, comprise tower body, the top of described tower body is provided with the blower fan that is connected with tower body, the below that tower body top is positioned at blower fan is disposed with the hydraulic turbine that is connected with fan shaft, with distributing pipe line and the packing layer of shower nozzle, the bottom of tower body is provided with fresh air inlet; The below of described packing layer is provided with for the high-order water collector of collecting the cooling water that the self filler layer falls, described high-order water collector comprise the some receipts water swash plates of tiltedly stretching to the tower body middle part, with the bottom of receiving the water swash plate be communicated with and be horizontally set on the tower body middle and lower part the receipts tank, be communicated with and be arranged on the absorbing well, absorption well of tower body outside by closed braiding channel and receipts tank water side; The bottom of described receipts water swash plate joins with the notch of receiving tank; Be provided with the water circulating pump that is communicated with the hydraulic turbine by water inlet pipe in described absorbing well, absorption well.
Improvement of the present utility model is: the top of described receipts water swash plate is by being fixedly installed on the swash plate beam location on the packing layer suspension.
The improvement of receipts tank described in the utility model is: described receipts tank notch has with the couple positioned opposite of receiving connecting part, water swash plate bottom the water fender that prevents that cooling water from spattering outward.
The improvement of described receipts water swash plate is: also be provided with on described receipts water swash plate and prevent that cooling water from impacting the splashproof bed course that when receiving the water swash plate, generation is splashed.
Further improvement of the utility model is: the angle between described receipts water swash plate and packing layer is 60 °～85 °.
Owing to having adopted technique scheme, the technological progress that the utility model is obtained is:
The utility model is by being applied to the water collector in cooling stack in mechanical-draft cooling tower, and water collector is set to run at high level, thereby realized the collection with the cooling water of self filler layer whereabouts in mechanical-draft cooling tower, and utilize the cooling water with larger potential energy of collecting to remove to drive the hydraulic turbine, not only rationally utilized the complementary energy of cooling water, but also the electric energy loss of having saved the hydraulic turbine.In addition, because water collector adopts high-order the setting, make the water circulating pump in absorbing well, absorption well have less lift, thereby also saved the loss of water circulating pump electric energy.
Receive the water swash plate and be fixed on by the swash plate beam on the suspension of packing layer, can make and receive the water swash plate and have enough holding capacity, will receive the water swash plate when cooling water that prevents from having larger potential energy falls and rush, improved the functional reliability of tower body.Receive the water fender that tank notch place arranges, be used for preventing that cooling water from falling into the process of receiving tank and spatter from receiving the water swash plate at home and abroad, reduced the loss of cooling water.Receive the splashproof bed course that arranges on the water swash plate, be used for preventing that cooling water from falling to the process of receiving the water swash plate and spattering outside receiving the water swash plate, also played the effect that reduces cooling water loss.Receive between water swash plate and packing layer and be set to larger gradient, be used for reducing the loss of cooling water potential energy, improve operational efficiency of the present utility model.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1. tower body, 2. blower fan, the 3. hydraulic turbine, 4. distributing pipe line, 5. packing layer, 6. receive the water swash plate, 7. receipts tank, 8. swash plate beam, 9. water fender, 10. splashproof bed course, 11. braiding channels, 12. absorbing well, absorption well, 13. suspention beams, 14. collecting-tanks, 15. water inlet pipes, 16. water circulating pumps.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
A kind of mechanical-draft cooling tower with high-order water collector, as shown in Figure 1, comprise tower body 1, the top of tower body is provided with blower fan 2, blower fan 2 is connected with tower body, the bottom of tower body is provided with fresh air inlet, and blower fan is used for the natural wind that the tower body bottom enters is evacuated to the tower body top, so that natural wind and cooling water fully exchange.Tower body inside is disposed with the hydraulic turbine 3, distributing pipe line 4, packing layer 5 and high-order water collector from top to bottom.The output shaft of the described hydraulic turbine 3 is connected with the power shaft of blower fan, and is positioned at the below of blower fan; Be provided with some shower nozzles on distributing pipe line 4, be used for recirculated water to be cooled is sprayed to packing layer; Packing layer is used for making top-down recirculated water and gas from bottom to top carry out heat exchange; High-order water collector is used for being collected in packing layer through the cooling water after heat exchange, and cooling water pump is entered the hydraulic turbine, drives hydraulic turbine rotation, further drives blower fan work.
Above-mentioned high-order water collector comprises receives water swash plate 6, receipts tank 7 and absorbing well, absorption well 12.Wherein receive water swash plate 6 and be obliquely installed, the top of receiving water swash plate 6 is fixedly connected on by swash plate beam 8 on the suspension 13 of packing layer, and the bottom of receiving water swash plate 6 joins with the notch of receiving tank 7, is used for and will collects tank from the cooling water that packing layer falls; The receipts tank is horizontally set on the middle and lower part of tower body, and the water side of receiving tank is communicated with absorbing well, absorption well by closed braiding channel 11, is used for the cooling water of collecting is collected absorbing well, absorption well; Absorbing well, absorption well is arranged on the tower body outside and is close to tower body, is provided with water circulating pump 16 in absorbing well, absorption well 12, and water circulating pump is connected with the hydraulic turbine by water inlet pipe 15, is used for the cooling water pump of absorbing well, absorption well is entered the hydraulic turbine.
In the present embodiment, the angle of receiving water swash plate 6 and packing layer 5 is set to 70 °, to reduce the consumption of cooling water whereabouts potential energy.Receive the water swash plate and be arranged with polylith in parallel, be used for the cooling water that comprehensive collection self filler layer falls; Receive on the water swash plate and also be provided with splashproof bed course 10, produce when being used for preventing cooling water dropping process impact receipts water swash plate and splash, further reduce the loss of cooling water.Receiving the tank notch has water fender 9 with the couple positioned opposite of receiving water swash plate (6) connecting part, bottom, is used for preventing that cooling water from flowing into the process of receiving tank and spatter from receiving the water swash plate outward, also is used for reducing the loss of cooling water.
Adopt the scheme construction implement aerating and cooling tower in the present embodiment, the recirculated water pump lift only has the 5m left and right, and the output investment ratio cooling stack of first stage of construction is saved 35% left and right, and the loss ratio cooling stack of electric energy is saved 50% left and right, so efficient is higher.In addition, compare with the mechanical-draft cooling tower of existing structure, although the initial investment meeting increases by 20%, after the cooling tower operation, the consumption of electric energy can save 65%, and remarkable in economical benefits improves.
Claims (5)
1. with the mechanical-draft cooling tower of high-order water collector, comprise tower body (1), the top of described tower body is provided with the blower fan (2) that is connected with tower body, the below that tower body top is positioned at blower fan is disposed with the hydraulic turbine (3) that is connected with fan shaft, with distributing pipe line (4) and the packing layer (5) of shower nozzle, the bottom of tower body is provided with fresh air inlet; It is characterized in that: the below of described packing layer (5) is provided with for the high-order water collector of collecting the cooling water that the self filler layer falls, described high-order water collector comprise the some receipts water swash plates (6) of tiltedly stretching to the tower body middle part, with the bottom of receiving the water swash plate be communicated with and be horizontally set on the tower body middle and lower part receipts tank (7), be communicated with and be arranged on the absorbing well, absorption well (12) of tower body outside by closed braiding channel (11) and receipts tank (7) water side; The bottom of described receipts water swash plate joins with the notch of receiving tank (7); Be provided with the water circulating pump that is communicated with the hydraulic turbine (3) by water inlet pipe in described absorbing well, absorption well (12).
2. the mechanical-draft cooling tower of the high-order water collector of band according to claim 1 is characterized in that: the top of described receipts water swash plate (6) is by being fixedly installed on swash plate beam (8) location on packing layer suspension (13).
3. the mechanical-draft cooling tower of the high-order water collector of band according to claim 1 is characterized in that: described receipts tank notch has with the couple positioned opposite of receiving water swash plate (6) connecting part, bottom the water fender (9) that prevents cooling water and spatter outward.
4. the mechanical-draft cooling tower of the high-order water collector of band according to claim 1, is characterized in that: also be provided with on described receipts water swash plate and prevent that cooling water from impacting the splashproof bed course (10) that when receiving the water swash plate, generation is splashed.
5. according to the mechanical-draft cooling tower of the high-order water collector of the described band of according to claim 1 to 4 any one, it is characterized in that: the angle between described receipts water swash plate (6) and packing layer (5) is 60 °～85 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320109589 CN203274584U (en) | 2013-03-11 | 2013-03-11 | Mechanical draft cooling tower provided with high-position water collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320109589 CN203274584U (en) | 2013-03-11 | 2013-03-11 | Mechanical draft cooling tower provided with high-position water collecting device |
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| Publication Number | Publication Date |
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| CN203274584U true CN203274584U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320109589 Expired - Lifetime CN203274584U (en) | 2013-03-11 | 2013-03-11 | Mechanical draft cooling tower provided with high-position water collecting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743288A (en) * | 2014-01-17 | 2014-04-23 | 中广核工程有限公司 | Water collecting device for nuclear power plants and high tower with same |
| CN105928414A (en) * | 2016-04-26 | 2016-09-07 | 华北电力大学 | Splash-proof water collecting device for high-level water collecting cooling tower |
| CN111366008A (en) * | 2020-03-13 | 2020-07-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Combined single-side air inlet cooling tower |
| CN112050661A (en) * | 2020-08-27 | 2020-12-08 | 中国能源建设集团广东省电力设计研究院有限公司 | Noise-reduction cooling tower |
| CN112503967A (en) * | 2020-12-10 | 2021-03-16 | 中国神华能源股份有限公司国华电力分公司 | Counter-flow wet cooling tower |
-
2013
- 2013-03-11 CN CN 201320109589 patent/CN203274584U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743288A (en) * | 2014-01-17 | 2014-04-23 | 中广核工程有限公司 | Water collecting device for nuclear power plants and high tower with same |
| CN103743288B (en) * | 2014-01-17 | 2016-01-20 | 中广核工程有限公司 | Used in nuclear power station water collector and comprise the high-order tower of water collector |
| CN105928414A (en) * | 2016-04-26 | 2016-09-07 | 华北电力大学 | Splash-proof water collecting device for high-level water collecting cooling tower |
| CN105928414B (en) * | 2016-04-26 | 2017-11-28 | 华北电力大学 | A kind of high-order receipts water cooling tower splashproof water collector |
| CN111366008A (en) * | 2020-03-13 | 2020-07-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Combined single-side air inlet cooling tower |
| CN112050661A (en) * | 2020-08-27 | 2020-12-08 | 中国能源建设集团广东省电力设计研究院有限公司 | Noise-reduction cooling tower |
| CN112503967A (en) * | 2020-12-10 | 2021-03-16 | 中国神华能源股份有限公司国华电力分公司 | Counter-flow wet cooling tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee after: POWERCHINA HEBEI ELECTRIC POWER ENGINEERING Co.,Ltd. Address before: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee before: HEBEI ELECTRIC POWER DESIGN & Research Institute |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |