CN201250750Y - Mixed-flow type hydraulic turbine specially for driving cooling tower blower - Google Patents
Mixed-flow type hydraulic turbine specially for driving cooling tower blower Download PDFInfo
- Publication number
- CN201250750Y CN201250750Y CNU2008201492319U CN200820149231U CN201250750Y CN 201250750 Y CN201250750 Y CN 201250750Y CN U2008201492319 U CNU2008201492319 U CN U2008201492319U CN 200820149231 U CN200820149231 U CN 200820149231U CN 201250750 Y CN201250750 Y CN 201250750Y
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- cooling tower
- main shaft
- turbine
- runner
- blower fan
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Abstract
The utility model relates to a mixed-flow type hydraulic turbine specially for driving cooling tower blower capable of effectively solving the problems of utilizing the remained energy of a hydraulic turbine to drive a cooling water blower and realizing saving energy, reducing noise and vibration, the solved technical proposal is that the hydraulic turbine comprises a spiral casing, a main shaft and a rotation shaft, wherein a rotary wheel is arranged in a rotary wheel chamber on the upper portion of a tail water pipe on the lower end of the main shaft, the spiral casing is fixed together with a socket ring on the external wall of the rotary wheel chamber, the main shaft is directly linked with the cooling tower blower, a seal is arranged on the main shaft on the upper portion of the rotary wheel, and a bearing is arranged on the upper portion of the seal. The turbine has the advantages of simple and novel structure, convenient installation and use, energy saving, environment protection, small noise, high working efficiency, stable and safe performance, less maintenance and operating cost saving, and is a great innovation on the application of the hydraulic turbine, and has obvious economic and social benefits.
Description
One, technical field
The utility model relates to water turbine, and particularly a kind of blower fan of cooling tower drives special-purpose Francis turbine.
Two, background technique
The common used in industry cooling tower generally needs the cooling of blower fan exhausting, and blower fan is driven by motor driving reducer.In cooling tower, because motor speed is higher, generally will be by the deceleration of retarder, noise is bigger during operation, and is fragile, need often to safeguard, and motor will consume a large amount of electric energy.Consider that cooling tower supplies, water distribution system generally leaves certain pressure margin, this dump energy often wastes.
At present, the dedicated water turbine patented technology that has had some to be applied to industrial cooling tower is employing double click type and mixed-flow, axial flow hydraulic turbine, but analyzes these technology, and there are the following problems:
1, simply the mixed-flow or the axial flow hydraulic turbine of existing generating usefulness are directly used in cooling tower, do not carry out the waterpower design of flow passage components again, operating conditions and blower fan of cooling tower parameter incompatibility make that the water turbine operating mode is bad, cause problems such as the low and vibration of efficient.
2, hydraulic turbine structure complexity, the cost height.
3, crossflow turbine was worked under no press strip spare originally, and prior art has been used in it in the pressing system, caused the variation fully of operating conditions, made its efficient reduce down, vibrate.Therefore, how effectively to utilize this dump energy to drive blower fan of cooling tower, reach energy-conservation purpose, reduce noise and vibration?
Three, model utility content
At above-mentioned situation, for overcoming the prior art defective, the purpose of the utility model just provides a kind of blower fan of cooling tower and drives special-purpose Francis turbine, can effectively solve to utilize the water turbine dump energy to drive blower fan of cooling tower, realizes energy-conservation, as to reduce noise and vibration problem.The technological scheme of its solution is to redesign the flow passage components of water turbine according to the requirement of blower fan of cooling tower rotating speed.Compare with conventional water turbine, the dedicated water turbine has saved movable guide vane, has not guaranteed that according to there being the definite fixed guide vane exit angle of bump condition for import turbine efficiency is high and vibration is little.Make its dedicated water turbine comprise spiral case, main shaft and runner, runner is equipped with in the main shaft lower end in the runner envelope on draft tube top, spiral case is fixed together with the seat ring that is contained on the runner envelope outer wall, main shaft and cooling tower fan blade direct connection, the main shaft on runner top is provided with sealing, bearing is equipped with, the utility model novelty simple in structure, easy to install in sealing top; Energy-saving and environmental protection, noise are little; High working efficiency; Stable performance, safety; The few maintenance; Saving operating cost, is the innovation greatly of one on water turbine is used, and remarkable economical and social benefit are arranged.
Four, description of drawings
Fig. 1 is structure of the present utility model (section) plan view.
Fig. 2 is seat ring of the present utility model and worm frame plan view.
Fig. 3 is main shaft of the present utility model, sealing and bearing structure subdivision sectional front view.
Five, embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Shown in Fig. 1-3, the utility model comprises spiral case, main shaft and runner, runner 3 is equipped with in main shaft 7 lower ends in the runner envelope on draft tube 4 tops, spiral case 1 is fixed together with the seat ring 2 that is contained on the runner envelope outer wall, main shaft 7 and cooling tower fan blade 8 direct connections, the main shaft 7 on runner 3 tops is provided with sealing 5, seals 5 tops bearing 6 is housed.
Constitute water by spiral case 1, seat ring 2, runner 3, draft tube 4 and cross flow structure.Constitute the energy transfer structure by main shaft 7, sealing 5 and combination bearing 6.Spiral case 1 adopts contour trapezoidal cross-section, as shown in Figure 2, can reduce the planar dimension of spiral case on the basis that guarantees hydraulic performance, and spiral case adopts the steel plate welding manner, is convenient to processing.Spiral case 1 welds together with seat ring 2.Seat ring 2 by last ring 9, encircle 10 down and constitute with fixed guide vane 11, stator 11 symmetry is in the form of a ring all put at upper and lower interannular, upper and lower ring adopts the equal thickness steel plate, its special exit angle α is according to hydraulic pressure, the flow and rotation speed of fan calculating of cooling tower.Current do not enter runner 3 there to be the bump inlet condition after spiral case, fixed guide vane are adjusted direction, do work after draft tube 4 is arranged to cooling tower cloth supply mains.Straight-tapered or cylindrical shape that draft tube 4 adopts steel plate to constitute generally are welded by steel plate.Runner 2 is connected with main shaft 7 by key, nut.Main shaft 7 and cooling tower fan blade 8 direct connections drive the blower fan rotation.Axial hydraulic thrust and radial force that water turbine and blower fan produce are born by combination bearing 6, consider the axial hydraulic thrust of water turbine and the axial wind thrust that blower fan produces, the combined bearing that bearing 6 adopts thrust bearing and radial bearing to form.The packing seal circle is adopted in water turbine sealing 5, plays the effect that prevents that water turbine from leaking.
The utility model undergoes technological transformation to traditional cooling tower, substitutes the drive motor and the driving mechanism of former blower fan, can reach energy-saving and environmental protection and reduced-maintenance purpose.Also can form series product, supporting with the novel energy-saving cooling tower, make the industrial cooling tower system more safe and efficient.In addition, Francis turbine as the cooling tower special use, its efficient, all be higher than double click type, axial flow hydraulic turbine, can be widely used in the cooling system in each field such as iron and steel, chemical industry, pharmacy, chemical fibre, cement, hotel, movie theatre with matching degree, the stability of fan parameter.
The utility model carries out the design of water turbine overflowing component again according to the requirement of the parameter of cooling tower water supply and distribution system and power of fan, rotating speed fully, makes it to mate fully with the cooling tower parameter, reaches the efficient height, and is stable, vibrates little target; Carried out the structural design of water turbine simultaneously, made overall structure simplify, use, efficiently, low cost of manufacture.
The utility model characteristics comprise four aspects:
1, the requirement according to the parameter of cooling tower water supply and distribution system and power of fan, rotating speed re-starts the hydraulic turbine The design of flow passage components. Determine the working head H of the hydraulic turbine by the residual compression of cooling tower water supply and distribution system, Determine the flow Q of the hydraulic turbine by the cooling tower water yield, determine the rotation speed n of the hydraulic turbine by rotation speed of fan, by H, The specific speed of Q, three calculation of parameter hydraulic turbines of n. Hydraulic turbine of cooling tower belongs to the ultra-low specific speed hydraulic turbine. With This determines the unit parameter of the hydraulic turbine, as the foundation of runner design, and the runner of the redesign hydraulic turbine, Rather than directly apply mechanically to generate electricity and use the runner of the hydraulic turbine.
2, carry out the runner design by new design concept: the key of the special-purpose Francis turbine runner design of cooling tower is the correct cooperation by spiral case, fixed guide vane parameter, adapt with selected francis turbine runner, make water turbine under cooling tower water system flow and residual pressure condition, its rotating speed reaches the specified rotating speed of cooling tower fan blade.The key of problem is to determine the exit angle of fixed guide vane.Because between 150～250r/min, the rotating speed of water turbine is generally between 300～500r/min the rotating speed of industrial cooling tower blower fan under the same head flow condition usually.Therefore, when water turbine is directly applied to cooling tower, can cause water turbine and rotation speed of fan do not match or water turbine departs from optimum operating condition far away.The method of head it off is the flow inlet angle according to the rotating speed of blower fan and cooling tower residual pressure head, flow rate calculation rotary wheel of water turbine, come to determine the exit angle of stator thus, guarantee the nothing bump condition for import of water turbine work, make water turbine be operated in high efficient area.
3, adopt contour trapezoidal cross-section spiral case, carry out the waterpower design according to the proportional principle of cross-sectional area, inflow-rate of water turbine and cornerite; Help reducing the water turbine planar dimension Deng maximum section of passenger flow, avoid the big cooling tower airflow that influences of turbine size, be easy to processing simultaneously.
4, water turbine new structure design.The Francis turbine complex structure of former generating usefulness, manufacture difficulty is big, the cost height; The Francis turbine of cooling tower special use is cancelled its movable guide vane, and top cover adopts flat, makes the water turbine radial dimension dwindle 1/3rd, satisfies the thrust load of blower fan of cooling tower and the requirement of the axial hydraulic thrust that Francis turbine forms; Bearing adopts the radial thrust combination bearing, improves the runner working efficiency.
Claims (6)
1, a kind of blower fan of cooling tower drives special-purpose Francis turbine, comprise spiral case, main shaft and runner, it is characterized in that, runner (3) is equipped with in main shaft (7) lower end in the runner envelope on draft tube (4) top, spiral case (1) is fixed together with the seat ring (2) that is contained on the runner envelope outer wall, main shaft (7) and cooling tower fan blade (8) direct connection, the main shaft (7) on runner (3) top is provided with sealing (5), and bearing (6) is equipped with on sealing (5) top.
2, blower fan of cooling tower according to claim 1 drives special-purpose Francis turbine, it is characterized in that, said spiral case (1) is contour trapezoidal cross-section.
3, blower fan of cooling tower according to claim 1 drives special-purpose Francis turbine, it is characterized in that, said seat ring (2) is made of with fixed guide vane (11) last ring (9), following ring (10), and stator (11) symmetry is in the form of a ring all put at upper and lower interannular, and upper and lower ring is the equal thickness steel plate.
4, blower fan of cooling tower according to claim 1 drives special-purpose Francis turbine, it is characterized in that, straight-tapered or cylindrical shape that said draft tube (4) constitutes for steel plate.
5, blower fan of cooling tower according to claim 1 drives special-purpose Francis turbine, it is characterized in that, said runner (2) is connected with main shaft (7) by key, nut.
6, blower fan of cooling tower according to claim 1 drives special-purpose Francis turbine, it is characterized in that, said bearing (6) is the combined bearing that thrust bearing and radial bearing are formed, and water turbine sealing (5) is the packing seal circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201492319U CN201250750Y (en) | 2008-09-16 | 2008-09-16 | Mixed-flow type hydraulic turbine specially for driving cooling tower blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201492319U CN201250750Y (en) | 2008-09-16 | 2008-09-16 | Mixed-flow type hydraulic turbine specially for driving cooling tower blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250750Y true CN201250750Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201492319U Expired - Fee Related CN201250750Y (en) | 2008-09-16 | 2008-09-16 | Mixed-flow type hydraulic turbine specially for driving cooling tower blower |
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| CN (1) | CN201250750Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634308A (en) * | 2009-08-10 | 2010-01-27 | 苏宏亮 | Draught fan of cooling tower |
| CN101900070A (en) * | 2010-07-20 | 2010-12-01 | 河南新飞纪元科技有限公司 | Water turbine for cooling tower having back-flushing ice-melting function |
| CN102536593A (en) * | 2011-12-27 | 2012-07-04 | 河海大学 | Ultra-low specific speed long and short blade runner for 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 |
| CN102865182A (en) * | 2012-10-19 | 2013-01-09 | 大唐岩滩水力发电有限责任公司 | Thrust ball bearing type guide vane thrust device |
| CN103032249A (en) * | 2012-12-14 | 2013-04-10 | 华北水利水电学院 | Fixed guide vane-free ultra-low specific speed mixed-flow water turbine special for cooling tower |
| CN103423063A (en) * | 2013-07-26 | 2013-12-04 | 安徽普昊节能科技有限公司 | Directly-connected efficient built-in water turbine for cooling tower |
| CN103953491A (en) * | 2013-08-02 | 2014-07-30 | 河海大学 | Direct-drive runoff water turbine for hydrodynamic cooling tower |
| CN103982362A (en) * | 2013-10-18 | 2014-08-13 | 河海大学 | Hydrodynamic direct-drive radial-flow water turbine of cooling tower |
| CN104131942A (en) * | 2014-08-19 | 2014-11-05 | 河南新飞纪元科技有限公司 | Multi-stage water turbine with super-low specific speed for industrial fluid high excessive pressure recovery |
| CN104533695A (en) * | 2014-12-26 | 2015-04-22 | 溧阳市宏林冷却塔有限公司 | Water turbine special for cooling tower with bearing box and turbine casing separated |
| CN107988991A (en) * | 2016-10-26 | 2018-05-04 | 辽宁省水利水电勘测设计研究院 | A kind of continuous flow regulation system of water delivery engineering |
| CN108412673A (en) * | 2018-05-14 | 2018-08-17 | 廖韶丹 | Integral type permanent magnetism hydrogenerator |
| CN109653928A (en) * | 2018-12-07 | 2019-04-19 | 西安诺普电气工程技术有限公司 | The energy-efficient hydraulic turbine and its implementation method applied to cooling tower |
-
2008
- 2008-09-16 CN CNU2008201492319U patent/CN201250750Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634308A (en) * | 2009-08-10 | 2010-01-27 | 苏宏亮 | Draught fan of cooling tower |
| CN101900070A (en) * | 2010-07-20 | 2010-12-01 | 河南新飞纪元科技有限公司 | Water turbine for cooling tower having back-flushing ice-melting function |
| CN101900070B (en) * | 2010-07-20 | 2012-02-22 | 河南新飞纪元科技有限公司 | Water turbine for cooling tower having back-flushing ice-melting function |
| 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 |
| CN102536593A (en) * | 2011-12-27 | 2012-07-04 | 河海大学 | Ultra-low specific speed long and short blade runner for cooling tower |
| CN102865182A (en) * | 2012-10-19 | 2013-01-09 | 大唐岩滩水力发电有限责任公司 | Thrust ball bearing type guide vane thrust device |
| CN103032249A (en) * | 2012-12-14 | 2013-04-10 | 华北水利水电学院 | Fixed guide vane-free ultra-low specific speed mixed-flow water turbine special for cooling tower |
| CN103423063A (en) * | 2013-07-26 | 2013-12-04 | 安徽普昊节能科技有限公司 | Directly-connected efficient built-in water turbine for cooling tower |
| CN103953491A (en) * | 2013-08-02 | 2014-07-30 | 河海大学 | Direct-drive runoff water turbine for hydrodynamic cooling tower |
| CN103953491B (en) * | 2013-08-02 | 2016-02-24 | 河海大学 | A kind of hydrodynamic(al) cooling tower directly drives radial water turbine |
| CN103982362A (en) * | 2013-10-18 | 2014-08-13 | 河海大学 | Hydrodynamic direct-drive radial-flow water turbine of cooling tower |
| CN104131942A (en) * | 2014-08-19 | 2014-11-05 | 河南新飞纪元科技有限公司 | Multi-stage water turbine with super-low specific speed for industrial fluid high excessive pressure recovery |
| CN104533695A (en) * | 2014-12-26 | 2015-04-22 | 溧阳市宏林冷却塔有限公司 | Water turbine special for cooling tower with bearing box and turbine casing separated |
| CN107988991A (en) * | 2016-10-26 | 2018-05-04 | 辽宁省水利水电勘测设计研究院 | A kind of continuous flow regulation system of water delivery engineering |
| CN108412673A (en) * | 2018-05-14 | 2018-08-17 | 廖韶丹 | Integral type permanent magnetism hydrogenerator |
| CN109653928A (en) * | 2018-12-07 | 2019-04-19 | 西安诺普电气工程技术有限公司 | The energy-efficient hydraulic turbine and its implementation method applied to cooling tower |
| CN109653928B (en) * | 2018-12-07 | 2023-10-27 | 西安诺普电气工程技术有限公司 | Efficient energy-saving water turbine applied to cooling tower and implementation method thereof |
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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: 450003, room 3101, block A, Sun Ming, No. 8, Bauhinia Road, Zhengzhou, Henan Patentee after: Henan Frestech era energy Polytron Technologies Inc Address before: 450003, room 3101, block A, Sun Ming, No. 8, Bauhinia Road, Zhengzhou, Henan Patentee before: Henan Xinfeijy Energy Science & Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20160916 |