CN201228645Y - Hydraulic cooling fan for highly effective energy-conserving cooling tower - Google Patents
Hydraulic cooling fan for highly effective energy-conserving cooling tower Download PDFInfo
- Publication number
- CN201228645Y CN201228645Y CNU2008200407997U CN200820040799U CN201228645Y CN 201228645 Y CN201228645 Y CN 201228645Y CN U2008200407997 U CNU2008200407997 U CN U2008200407997U CN 200820040799 U CN200820040799 U CN 200820040799U CN 201228645 Y CN201228645 Y CN 201228645Y
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- seat ring
- water inlet
- water
- inlet flow
- runner
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Abstract
A hydrodynamic cooling fan for high-effective energy-saving cooling towers comprises a spiral-casing-shaped water inlet flow passage (3), a seat ring (4), a rotating wheel (2) and an input shaft (6), wherein the input shaft (6) is connected with the rotating wheel (2). The hydrodynamic cooling fan for high-effective energy-saving cooling towers is characterized in that the tangent plane of the spiral-casing-shaped water inlet flow passage (3) is an ellipticity or trapezoid structure of which the area is reduced frequently, the inner side of the spiral-casing-shaped water inlet flow passage (3) is equipped with a water outlet which is communicated with a water inlet arranged at the outer side of the seat ring (4), the seat ring (4) is equipped with a cutting water outlet which is distributed surrounding blades of the rotating wheel (2), the lower portion of the rotating wheel (2) is equipped with a conical draft tube (1) which collects water flow which falls after cutting the rotating wheel (2) to recycle the water flow, the input shaft (6) is connected with a rotational speed matcher (11), and fan blades are mounted on an output shaft of the rotational speed matcher (11). The utility model reduces the size of a water turbine, and brings convenience for integrating the water turbine and the rotational speed matcher. Further, the utility model can enable efficiency of the water turbine to achieve above 90%, and is stable in operation and excellent in performance without noises.
Description
Technical field
The utility model relates to a kind of used for cooling tower blower fan, especially a kind of cooling blower that utilizes the water turbine principle to drive, specifically a kind of hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower.
Background technique
At present, the blower fan overwhelming majority used during the cooling tower cooling is all by motor drives, and the power consumption of the cooling tower institute gas-distributing motor that the whole nation is ten hundreds of is quite surprising, nearly 4.5 hundred million degree of year power consumption.Therefore, improve the recycling rate of waterused of industrial water, strengthen reducing energy consumption and research cooling tower, improve the cold effect of cooling tower, reduce plant energy consumption, the cooling tower device of exploitation high-performance, energy-saving and environmental protection has necessity and urgency to the utilization and the sustainable development thereof of China's energy resources.
A large amount of practice investigation and analysis show, the recirculated cooling water in national most of cooling towers, and its outlet generally has certain head more than needed, and (4～15m), this part pressure more than needed has all been wasted usually in vain.Chinese patent 98113099 has been announced a kind of " used for cooling tower water wheel type blower fan ", this patent is with the impulse turbine source that is used as power, the drive fan blade rotates, thereby saved electric energy, but a large amount of practices show, this water turbine has the following disadvantages: be subjected to the restriction of installation conditions, rotary wheel of water turbine all is submerged in the water, operational efficiency is low, it is little to exert oneself, and can't satisfy the job requirement of cooling tower fully, in addition, such water turbine volume is bigger, be unfavorable for existing cooling tower is undergone technological transformation, because volume is big, various costs are also higher simultaneously.
Summary of the invention
The purpose of this utility model is low, little, the bulky problem of exerting oneself of efficient that exists at existing used for cooling tower water wheel type blower fan, designs a kind of hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower of vertical structure.
The technical solution of the utility model is:
A kind of hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower, comprise scroll casing shape water inlet flow channel 3, seat ring 4, runner 2, input shaft 6, input shaft 6 links to each other with runner 2, runner 2 is installed in the seat ring 4, seat ring 4 is positioned at the inboard of water inlet flow channel 3, the positive tangent plane that it is characterized in that described scroll casing shape water inlet flow channel 3 is diminishing ellipticity of area or trapezoid shaped structure, its end communicates with the water outlet of cooling tower cycling use of water, be provided with the water outlet that communicates with the water intake in seat ring 4 outsides in the inboard of scroll casing shape water inlet flow channel 3, be provided with annular stator in the seat ring 4, inboard at seat ring 4, the afterbody place of each annular stator is provided with cuts the water outlet of striking waters, this water outlet is distributed in around the blade of runner 2, is equipped with in the bottom of runner 2 to collect to cut to hit current that runner 2 backs fall for the conical draft tube 1 that recycles once more; Described input shaft 6 is connected with rotating speed adapter 11, and fan blade is installed on the output shaft of rotating speed adapter 11.
Described rotating speed adapter 11 comprises driving gear 7, driven gear 8, output shaft 9 and relief tube 5, wherein driving gear 7 is installed on the input shaft 6, the driven gear 8 of deceleration usefulness is installed on the output shaft 9, and driven gear 8 is meshed with driving gear 7, and fan blade is installed on the output shaft 9; One end of relief tube 5 passes cover plate 10 and communicates with the inner chamber of seat ring 4, and its other end communicates with drainage channel, and cover plate 10 is fitted on the inner ring of seat ring 4 and scroll casing shape water inlet flow channel 3.
The beneficial effects of the utility model:
The utility model becomes ellipse or trapezoidal by the Cross section Design with intake tunnel, has changed traditional round structure, can reduce the size of water turbine greatly.
The utility model can make the efficient of water turbine reach more than 90% stable, noise free, superior performance by the improvement design of intake tunnel.
The utility model in conjunction with factors such as the rotating speed of Francis turbine rotating speed and blower fan do not match, connects water turbine and blower fan by the design speed adapter in conjunction with the operating conditions of cooling tower and parameter, makes efficient improve, and is stable.
The utility model adopts full elliptic jet spiral case and conical draft tube, and single-row annular stator not only plays guide functions but also can bear axial load, makes overall dimensions be contracted to about half of conventional water turbine.
Trapezoidal worm frame of the present utility model makes draft tube can be used as supporting element again as flow passage components.
The utility model has been replaced the motor that drives blower fan in the former cooling tower fully, and 100% saving electric energy has direct remarkable economical efficient and good social benefit.
Description of drawings
Fig. 1 is one of structural representation of the present utility model.
Fig. 2 is the plan structure schematic representation of Fig. 1.
Fig. 3 is two of a structural representation of the present utility model.
Fig. 4 is the plan structure schematic representation of Fig. 3.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, 2.
A kind of hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower comprises water inlet flow channel 3, usher to seat ring 4, runner 2, input shaft 6, and the integral body of described water inlet flow channel 3 is scroll casing shape (as Fig. 2), and its positive tangent plane is the diminishing oval structure of area (as shown in Figure 1).Input shaft 6 links to each other with runner 2, runner 2 is installed in the seat ring 4, seat ring 4 is positioned at the inboard of scroll casing shape water inlet flow channel 3, one end of scroll casing shape water inlet flow channel 3 communicates with the water outlet of cooling tower cycling use of water, be provided with the water outlet that communicates with the water intake in seat ring 4 outsides in the inboard of scroll casing shape water inlet flow channel 3, be provided with annular stator in the seat ring 4, inboard at seat ring 4, the afterbody place of each annular stator is provided with cuts the water outlet of striking waters, this water outlet is distributed in around the blade of runner 2, is equipped with in the bottom of runner 2 to collect to cut to hit current that runner 2 backs fall for the conical draft tube 1 that recycles once more; Described input shaft 6 is connected with rotating speed adapter 11, and fan blade is installed on the output shaft of rotating speed adapter 11.Rotating speed adapter 11 comprises driving gear 7, driven gear 8, output shaft 9 and relief tube 5, wherein driving gear 7 is installed on the input shaft 6, the driven gear 8 of deceleration usefulness is installed on the output shaft 9, and driven gear 8 is meshed with driving gear 7, and fan blade is installed on the output shaft 9; One end of relief tube 5 passes cover plate 10 and communicates with the inner chamber of seat ring 4, and its other end communicates with drainage channel.Cover plate 10 is fitted on the inner ring and seat ring 4 of scroll casing shape intake tunnel, and the general support of rotating speed adapter 11 is on cover plate 10, and input shaft 6 passes cover plate 10 and links to each other with runner 2.Because rotational speed of water turbine (being input shaft rotational speed) is difficult to and the rotating speed of blower fan is complementary, therefore the utility model has adopted the rotating speed adapter of extra small velocity ratio to connect water turbine and blower fan, make the rotating speed of blower fan be in the optimum state, shed by relief tube 5 simultaneously and leak harmful hydraulic pressure that water forms between water turbine and the rotating speed adapter, further guaranteed the normal rotation of fan blade.
Embodiment two.
Shown in Fig. 3,4.
Present embodiment is that with the difference of implementing one normal section of described scroll casing shape water inlet flow channel is shaped as trapezium structure.Present embodiment adopts trapezoidal spiral case, and draft tube 1 not only can be used as flow passage components but also can be used as supporting element.All the other and embodiment are identical.
Working principle of the present utility model is: the water with certain pressure and flow forms certain circular rector by scroll casing shape water inlet flow channel 3 and enters seat ring 4, guide functions by stator in the seat ring 4 enters rotary wheel of water turbine 2, drive runner 2 rotations, follow-up water distributor is discharged and flowed into to the water that loses certain hydraulic pressure after the work done from draft tube 1.The rotation of runner 2 drives the fan blade rotation through parts input shaft 6, driving gear 7, driven gear 8 and output shaft 9.Relief tube 5 sheds the harmful hydraulic pressure that leaks water between water turbine and the rotating speed adapter and form, and guarantees the safe operation of rotating speed adapter.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (2)
1, a kind of hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower, comprise scroll casing shape water inlet flow channel (3), seat ring (4), runner (2), input shaft (6), input shaft (6) links to each other with runner (2), runner (2) is installed in the seat ring (4), seat ring (4) is positioned at the inboard of water inlet flow channel (3), the positive tangent plane that it is characterized in that described scroll casing shape water inlet flow channel (3) is diminishing ellipticity of area or trapezoid shaped structure, its end communicates with the water outlet of cooling tower cycling use of water, be provided with the water outlet that communicates with the water intake in seat ring (4) outside in the inboard of scroll casing shape water inlet flow channel (3), seat ring is provided with annular stator in (4), inboard in seat ring (4), the afterbody place of each annular stator is provided with cuts the water outlet of striking waters, this water outlet is distributed in around the blade of runner (2), is equipped with in the bottom of runner (2) to collect to cut to hit current that runner (2) back falls for the conical draft tube that recycles once more (1); Described input shaft (6) is connected with rotating speed adapter (11), and fan blade is installed on the output shaft of rotating speed adapter (11).
2, hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower according to claim 1, it is characterized in that described rotating speed adapter (11) comprises driving gear (7), driven gear (8), output shaft (9) and relief tube (5), wherein driving gear (7) is installed on the input shaft (6), the driven gear of deceleration usefulness (8) is installed on the output shaft (9), driven gear (8) is meshed with driving gear (7), and fan blade is installed on the output shaft (9); One end of relief tube (5) passes cover plate (10) and communicates with the inner chamber of seat ring (4), and its other end communicates with drainage channel, and cover plate (10) is fitted on the inner ring of seat ring (4) and scroll casing shape water inlet flow channel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200407997U CN201228645Y (en) | 2008-07-25 | 2008-07-25 | Hydraulic cooling fan for highly effective energy-conserving cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200407997U CN201228645Y (en) | 2008-07-25 | 2008-07-25 | Hydraulic cooling fan for highly effective energy-conserving cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201228645Y true CN201228645Y (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200407997U Expired - Lifetime CN201228645Y (en) | 2008-07-25 | 2008-07-25 | Hydraulic cooling fan for highly effective energy-conserving cooling tower |
Country Status (1)
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| CN (1) | CN201228645Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010009629A1 (en) * | 2008-07-25 | 2010-01-28 | 南京星飞冷却设备有限公司 | A hydrodynamic cooling fan for a cooling tower with high efficiency and saving-energy |
| CN101560940B (en) * | 2009-05-27 | 2010-04-21 | 南京星飞冷却设备有限公司 | Direct connection low-speed small-scale mixed-flow turbine applied in hydrodynamic energy-saving cooling tower |
| CN103993915A (en) * | 2014-05-16 | 2014-08-20 | 西安交大赛尔机泵成套设备有限责任公司 | Large efficient full-work-condition energy recovery enclosed-impeller radial-inward-flow turbine all-in-one machine |
| CN105849405A (en) * | 2013-09-05 | 2016-08-10 | 安德里兹水利有限公司 | Spiral casing for hydraulic turbine and method for arranging spiral casing |
-
2008
- 2008-07-25 CN CNU2008200407997U patent/CN201228645Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010009629A1 (en) * | 2008-07-25 | 2010-01-28 | 南京星飞冷却设备有限公司 | A hydrodynamic cooling fan for a cooling tower with high efficiency and saving-energy |
| CN101560940B (en) * | 2009-05-27 | 2010-04-21 | 南京星飞冷却设备有限公司 | Direct connection low-speed small-scale mixed-flow turbine applied in hydrodynamic energy-saving cooling tower |
| WO2010135932A1 (en) * | 2009-05-27 | 2010-12-02 | 南京星飞冷却设备有限公司 | Direct-connection low-speed small mixed-flow hydroturbine for hydrodynamic energy-saving cooling tower |
| RU2491444C1 (en) * | 2009-05-27 | 2013-08-27 | Нанцзин Синфэй Кулинг Эквипмент Ко., Лтд. | Direct-connection mixed-flow slow-speed small-sized hydraulic turbine used in hydrodynamic power-saving quenching tower |
| AU2010252496B2 (en) * | 2009-05-27 | 2013-10-31 | Nanjing Xingfei Cooling Equipment Co., Ltd. | Direct-connection low-speed small mixed-flow hydroturbine for hydrodynamic energy-saving cooling tower |
| CN105849405A (en) * | 2013-09-05 | 2016-08-10 | 安德里兹水利有限公司 | Spiral casing for hydraulic turbine and method for arranging spiral casing |
| RU2668189C2 (en) * | 2013-09-05 | 2018-09-26 | Андритц Гидро Лтд. | Spiral casing for a hydraulic turbine (options) |
| CN105849405B (en) * | 2013-09-05 | 2019-02-12 | 安德里兹水利有限公司 | The method of spiral case and arrangement spiral case for the hydraulic turbine |
| CN103993915A (en) * | 2014-05-16 | 2014-08-20 | 西安交大赛尔机泵成套设备有限责任公司 | Large efficient full-work-condition energy recovery enclosed-impeller radial-inward-flow turbine all-in-one machine |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211132 Tangshan industrial concentration area, Tangshan, Jiangsu, Nanjing, Nanjing Patentee after: Nanjing Xingfei Cooling Equipment Co.,Ltd. Address before: 211132 Tangshan industrial concentration area, Tangshan, Jiangsu, Nanjing, Nanjing Patentee before: Nanjing Xingfei Cooling Apparatus Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090429 |
|
| CX01 | Expiry of patent term |