CN101328899A - Hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower - Google Patents
Hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower Download PDFInfo
- Publication number
- CN101328899A CN101328899A CNA2008100230309A CN200810023030A CN101328899A CN 101328899 A CN101328899 A CN 101328899A CN A2008100230309 A CNA2008100230309 A CN A2008100230309A CN 200810023030 A CN200810023030 A CN 200810023030A CN 101328899 A CN101328899 A CN 101328899A
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- China
- Prior art keywords
- seat ring
- water inlet
- inlet flow
- water
- runner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F28C1/10—Arrangements for suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention relates to a high-efficient energy-saving type hydrodynamic cooling fan for a cooling tower, which comprises a scroll casing shaped water inlet flow passage (3), a seating ring (4), a rotary wheel (2) and an input shaft (6); the input shaft is connected with the rotary wheel (2). The high-efficient energy-saving type hydrodynamic cooling fan is characterized in that the tangent plane of the scroll casing shaped water inlet flow passage (3) has an elliptical or a trapezoidal structure with an area reducing gradually; the inner side of the scroll casing shaped water inlet flow passage (3) is provided with a water outlet communicated with a water inlet of the outer side of the seating ring (4); the seating ring (4) is provided with water outlets of tangential hit water; the water outlets are distributed on the peripheral of the blades of the rotary wheel (2); the lower part of the rotary wheel (2) is provided with a straight conical draft tube (1) which collects water current falling off after the rotary wheel (2) is hit and provides water current for recycling and using; the input shaft (6) is connected with a rotational speed matcher (11); and the blades of the fan are arranged on an output shaft of the rotational speed matcher (11). The high-efficient energy-saving type hydrodynamic cooling fan reduces a dimension of a hydroturbine, is convenient for the hydroturbine and the rotational speed matcher to form an integrated device. The high-efficient energy-saving type hydrodynamic cooling fan can make an efficiency of the hydroturbine reach over 90 percent; the whole unit has stable operation, no noise and superior performance.
Description
Technical field
The present invention 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 objective of the invention is low, little, the bulky problem of exerting oneself of efficient, design a kind of hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower of vertical structure at existing used for cooling tower water wheel type blower fan existence.
Technological scheme of the present invention 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.
Beneficial effect of the present invention:
The present invention 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 present invention can make the efficient of water turbine reach more than 90% stable, noise free, superior performance by the improvement design of intake tunnel.
The present invention 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 present invention 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 invention makes draft tube can be used as supporting element again as flow passage components.
The present invention has 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 invention.
Fig. 2 is the plan structure schematic representation of Fig. 1.
Fig. 3 is two of a structural representation of the present invention.
Fig. 4 is the plan structure schematic representation of Fig. 3.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
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 present invention 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 invention 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 part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100230309A CN101328899A (en) | 2008-07-25 | 2008-07-25 | Hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower |
| PCT/CN2009/071254 WO2010009629A1 (en) | 2008-07-25 | 2009-04-13 | A hydrodynamic cooling fan for a cooling tower with high efficiency and saving-energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100230309A CN101328899A (en) | 2008-07-25 | 2008-07-25 | Hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101328899A true CN101328899A (en) | 2008-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100230309A Pending CN101328899A (en) | 2008-07-25 | 2008-07-25 | Hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101328899A (en) |
| WO (1) | WO2010009629A1 (en) |
Cited By (6)
| 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 |
| CN101865613A (en) * | 2010-06-09 | 2010-10-20 | 中国科学院电工研究所 | Comprehensive energy-saving system of cooling tower based on power synthesizer and its control method |
| CN101586573B (en) * | 2009-05-31 | 2011-06-15 | 河南新飞纪元科技有限公司 | Cylindrical impulse-type hydraulic drive special for fan of cooling tower |
| CN102840079A (en) * | 2011-06-22 | 2012-12-26 | 山东森玛格德节能设备有限公司 | Cylindrical diffused tail water device of hydraulic turbine |
| CN105736408A (en) * | 2015-11-30 | 2016-07-06 | 王庆昌 | Water-driven no-power exhaust fan |
| CN112828167A (en) * | 2021-02-21 | 2021-05-25 | 刘朝进 | Matched cooling device based on stamping die |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217704A (en) * | 2022-07-22 | 2022-10-21 | 成都安川盛和环保设备有限公司 | A power automatic regulating water turbine for cooling tower |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH571160A5 (en) * | 1973-11-13 | 1975-12-31 | Vevey Atel Const Mec | Construction of volume chamber for hydraulic turbine - for large scale power plants embedded in concrete uses circular cross sections |
| CN100360795C (en) * | 2002-03-27 | 2008-01-09 | 顾星康 | General hydraulic turbine for cooling tower |
| CN2874079Y (en) * | 2005-11-01 | 2007-02-28 | 西华大学 | Water energy recovery device |
| CN101074677A (en) * | 2007-06-19 | 2007-11-21 | 金先培 | Hydraulically-driven fan for cooling tower |
| CN201228645Y (en) * | 2008-07-25 | 2009-04-29 | 南京星飞冷却设备有限公司 | Hydraulic cooling fan for highly effective energy-conserving cooling tower |
| CN101328899A (en) * | 2008-07-25 | 2008-12-24 | 南京星飞冷却设备有限公司 | Hydro-power cooling draught fan for high-efficiency and energy-saving type cooling tower |
-
2008
- 2008-07-25 CN CNA2008100230309A patent/CN101328899A/en active Pending
-
2009
- 2009-04-13 WO PCT/CN2009/071254 patent/WO2010009629A1/en active Application Filing
Cited By (7)
| 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 |
| CN101586573B (en) * | 2009-05-31 | 2011-06-15 | 河南新飞纪元科技有限公司 | Cylindrical impulse-type hydraulic drive special for fan of cooling tower |
| CN101865613A (en) * | 2010-06-09 | 2010-10-20 | 中国科学院电工研究所 | Comprehensive energy-saving system of cooling tower based on power synthesizer and its control method |
| CN101865613B (en) * | 2010-06-09 | 2012-09-26 | 中国科学院电工研究所 | Cooling tower integrated energy-saving system based on power synthesizer and control method thereof |
| CN102840079A (en) * | 2011-06-22 | 2012-12-26 | 山东森玛格德节能设备有限公司 | Cylindrical diffused tail water device of hydraulic turbine |
| CN105736408A (en) * | 2015-11-30 | 2016-07-06 | 王庆昌 | Water-driven no-power exhaust fan |
| CN112828167A (en) * | 2021-02-21 | 2021-05-25 | 刘朝进 | Matched cooling device based on stamping die |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010009629A1 (en) | 2010-01-28 |
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Open date: 20081224 |