CN201072304Y - Water kinetic energy recovery cooling tower - Google Patents

Water kinetic energy recovery cooling tower Download PDF

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Publication number
CN201072304Y
CN201072304Y CNU2007200321972U CN200720032197U CN201072304Y CN 201072304 Y CN201072304 Y CN 201072304Y CN U2007200321972 U CNU2007200321972 U CN U2007200321972U CN 200720032197 U CN200720032197 U CN 200720032197U CN 201072304 Y CN201072304 Y CN 201072304Y
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China
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water
cooling tower
turbine
hydraulic turbine
provided
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CNU2007200321972U
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Chinese (zh)
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李大应
金先培
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金先培;李大应
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Priority to CNU2007200321972U priority Critical patent/CN201072304Y/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy
    • Y02E10/22Conventional, e.g. with dams, turbines and waterwheels
    • Y02E10/223Turbines or waterwheels, e.g. details of the rotor

Abstract

The utility model relates to a water kinetic energy recycling cooling tower. The cooling tower is provided with a cooling tower body 1, a hydraulic turbine 2 and an impeller inducer 3. The hydraulic turbine 2 is arranged in the cooling tower and the impeller inducer 3 is connected on an output shaft of the hydraulic turbine 2. As a reaction type hydraulic turbine is arranged on the cooling tower by the utility model, utilization rate of water energy of the utility model is higher than utilization rate of water energy of the prior impulse type hydraulic turbine. Testes show that the utility model can increase utilization rate of water energy to over 90 percent from 80 percent, thereby saving energy by 10 percent without increasing power of a water supplying pump. In addition, the reaction type hydraulic turbine adopts a double-volute casing symmetrical water inflow structure, through which water current that inflows the hydraulic turbine forms socket ring-centered bidirectional symmetrical water inflow, thereby bringing even stress to a running wheel, and vibration of the hydraulic turbine is greatly reduced, which minimizes the vibration and noise of the tower body.

Description

水动能回收冷却塔 Water cooling tower kinetic energy recovery

技术领域 FIELD

本实用新型涉及一种对大型制冷空调的制冷循环水和对工业热水进行冷却的冷却塔,尤其涉及一种水动能回收冷却塔。 The present invention relates to a large refrigeration and air-conditioning refrigerating cycle for cooling tower water for industrial water, more particularly to a cooling tower water kinetic energy recovery. 背景技术 Background technique

在已有技术中,对大型制冷空调的制冷循环水和对工业热水进行冷却的冷却塔一般是用水泵将需要冷却的热水送到塔中,然后再用喷淋器从塔中上喷或下喷,喷淋的热水与空气换热得到冷却。 In the prior art, large refrigerating cycle refrigeration and air conditioning water cooling tower and the industrial water cooling is generally used to pump water to the required cooling tower, and then spraying on from a spray tower or the spray, the spray cooled hot-air heat exchanger. 为了加速热水与空气的换热,在冷却塔内设有风机。 In order to accelerate the heat exchange with the hot air, the cooling tower fan is provided. 传统冷却塔的风机是由电机带动的, 这不利于节能和环保,同时,由于电机转速较高,加上减速器的机械传动,使其运行时的噪声大,并伴有塔体振动。 Conventional cooling tower fan is driven by the motor, which is not conducive to environmental protection and energy saving, because of the higher motor speed, the speed reducer coupled with mechanical transmission, so that a large noise during operation, and accompanied by vibrating the column. 为了解决这一问题,中国 To solve this problem, China

专利02111169.0公布了一种"冷却塔通用水轮机",它用水轮机来替代电机,在原水泵功率不变的前提下,利用水泵扬程的余量通过水轮机带动风叶轮转动,从而节约了电能。 Patent No. 02111169.0 discloses a "generic turbine cooling tower", to replace it with a turbine motor, at constant pump power of the original premise, the use of the balance of the pump head is rotated by the turbine wheel driven by the wind, thus saving energy. 该水轮机采用了一个冲击式水轮机,冲击式水轮机要求水流的流量小,水头高,但冷却塔的水头低,导致冲击式水轮机的水能转换效率较低,在这种情况下,往往需要增加水泵的功率,结果是又增加了电能,难以达到100%的节能。 The turbine uses a Pelton turbine, a small impulse turbine flow required flow, high head, low head but the cooling tower, resulting in lower impulse turbine efficiency of water, in which case is often necessary to increase the pump power, power added result is difficult to achieve 100% of the energy. 再有,该冲击式水轮机为单进水结构,水流分布向一侧偏移,使得水轮机运行时容易产生振动,没能解决好塔体振动的问题。 Further, the single impulse turbine inlet structure, the flow distribution shifted to one side, so that the tendency to vibration in turbine operation, can not solve the problem of good tower vibrations. 实用新型内容 SUMMARY

本实用新型的目的是针对已有冷却塔的水能利用效率低的问题,提供一种水动能回收冷却塔,从而提高冷却塔水能的换转效率,达到100% The object of the present invention is directed to a cooling tower has low water use efficiency, there is provided a water-change transfer kinetic energy recovery efficiency of the cooling tower, thereby improving the cooling tower water, up to 100%

节能,另一方面改善水轮机水流分布向一侧偏移的情况,以减小塔体运行时的噪声和振动。 Energy, on the other hand to improve the distribution of the water turbine shifted to one side, to reduce noise and vibration during operation of the tower.

为实现上述目的,本实用新型的技术方案如下: To achieve the above object, the technical solution of the present invention are as follows:

它具有一个冷却塔体,在该冷却塔体内设有一个水轮机,在该水轮 It has a cooling tower, a turbine is provided in the body of the tower, the waterwheel

机的输出轴上联有一个风叶轮,其改进点是:所述的水轮机为反击式水轮机,它包括一个尾水管,在尾水管上端固联一个座环,在座环中设有导水叶片,在座环外周固联有蜗壳,在座环上端面设有盖板,在盖板中心处通过轴承装有一个垂直插入座环中心的主轴,在主轴下端装有一个反击式水轮机的转轮。 Machine has an output shaft with a wind impeller, the improvement point is: the turbine is a reaction turbine which comprises a draft tube, the draft tube at the upper end fixedly connected to a seat ring, the seat ring is provided with a water guide vanes, the outer periphery of the seat ring is fixedly connected with a volute, the seat ring is provided on the end surface of the cap plate, by a bearing ring with a vertical central spindle insertion seat at the center of the cover plate, with a reaction turbine wheel in the lower end of the spindle.

本实用新型进一步改进的技术方案如下: The present invention is further improved technical solutions are as follows:

在所述反击式水轮机座环的外周固联两个蜗壳,该两个蜗壳以座环轴线为轴而轴对称反向布置,从而形成以座环为中心的双向对称进水分布。 An outer periphery fixedly connected to the counter two volute turbine housing ring, the two volute axis to the axis of the seat ring is arranged axially symmetrically reversed, so that the seat is formed in the center of the bilaterally symmetrical water distribution ring.

在所述水轮机的输出轴与风叶轮的驱动轴之间设有一个齿轮调速器。 A governor gear is provided between the drive shaft and the output shaft of the wind turbine impeller.

通过上述技术方案可以看出,本实用新型在冷却塔上安装了一个反击式水轮机,该反击式水轮机利用水流的势能与动能做功,其转轮流道有压、封闭、全周进水,适合于冷却塔水头低的情况,故本冷却塔的水能利用率比已有采用冲击式水轮机的冷却塔高,经测试,它能够把水能 Can be seen from the above technical solution, the present invention is installed a reaction turbine on the tower, the reaction turbines using flow potential energy and kinetic work that transfer rotation tract pressure, closing the week water, suitable for a cooling tower low water head, the utilization of this cooling tower water it is higher than the existing cooling tower using impulse turbine, tested, it is able to water

利用率从80%提高到90%以上,因此,在不用加大冷却塔供水水泵功率的情况下,达到100%节能。 Utilization rate from 80% to 90%, therefore, in the case where the water cooling tower without increasing the pump power, 100% energy saving. 再者,本实用新型的反击式水轮机采用了双蜗壳对称进水结构,它可使进入水轮机的水流形成以座环为中心的双向对称进水分布,从而使转轮受力均匀,可大大减小水轮机的振动,使塔体振动和噪声都降到最低。 Furthermore, the present invention uses a dual reaction turbine inlet volute symmetrical structure, which allows water to enter the turbine ring seat formed in the center of the water distribution bilaterally symmetric, so that the turning force uniform, can be greatly reduce the vibration of the turbine, the tower vibration and noise are reduced to a minimum. 附图说明 BRIEF DESCRIPTION

图1、本实用新型的整体结构示意图。 1, the overall configuration of the present invention. FIG. 图2、图1的I部放大示意图。 I portion of FIG. 2, an enlarged view of FIG. 图3、图2的AA剖面结构示意图。 FIG. 3, AA 2 is a schematic cross-sectional structure of FIG. 图4、图2的BB剖面结构示意图。 FIG. 4, BB cross-sectional schematic view of the structure of FIG. 具体实施方式 Detailed ways

参见图1、 2,它具有一个冷却塔体1,在该冷却塔体内设有一个水轮机2,在该水轮机的输出轴上联有一个风叶轮3。 Referring to FIG. 1, 2, having a cooling tower body 1, a turbine 2, with the output shaft of the turbine in the tower body 3 is provided with a wind impeller.

参见图2、 3、 4,所述的水轮机2为反击式水轮机,它包括一个尾 Referring to FIG. 2, 3, 4, the turbine is a reaction turbine 2, which comprises a tail

水管4,在尾水管1上端固联一个座环5,在座环中设有导水叶片6,在座环外周固联有蜗壳7、 8,这两个蜗壳以座环5轴线为轴而轴对称反向布置,从而形成以座环5为中心的双向对称进水分布。 Pipe 4, the upper end of the tail pipe 1 with a fixed seat ring 5, the seat ring is provided with water guiding vanes 6, the seat ring outer periphery is fixedly connected with a volute 7, 8, both the volute axis to the axis of the seat ring 5 reverse axisymmetric arrangement, to form a bilaterally symmetrical to the seat ring 5 influent distribution centered. 在座环5上端面设有盖板9,在盖板9的中心处通过轴承装有一个垂直插入座环5中心的主轴IO,在主轴下端装有一个反击式水轮机的转轮11,转轮ll可以根据水的流量、水头和所需的水轮机效率及转速,在现有反击式水轮机类的轴流式水轮机、混流式水轮机和斜击式水轮机的转轮中任选一种, 本例采用的是一种混流式水轮机的转轮11。 The seat ring 5 is provided on the end surface plate 9, by a bearing fitted with a seat ring 5 is inserted into the central vertical spindle IO at the center of the cover plate 9, provided with a reaction turbine wheel 11 in the bottom of the spindle, wheel ll the flow rate of water can be, and the efficiency of the turbine speed and the required head, optionally one wheel in the conventional reaction turbines of axial flow type turbine, Francis turbine and oblique strike turbine, the present embodiment uses a Francis turbine runner 11.

本实用新型工作过程是:参见图l、 4,需要冷却的热水分成两路分别从水轮机的两个蜗壳7、 8进入,两股水流随着蜗壳的导引到达座环5, 又通过座环中导水叶片6的导向流向转轮11,并推动转轮11转动,与此同时,主轴6随转轮7转动,从而带动风叶轮3转动;从转轮ll出来的水排向尾水管4,从尾水管4进入喷头供水管12,并通过喷头13喷淋而出,喷淋而出的水通过塔中的冷却填料14后,下降到塔底盛水盘15, 然后从出水管16排出;在该过程中,冷空气从塔底的周侧进入,通过塔顶风机的强制抽风,冷空气与喷淋而下的水逆流接触,进行换热,从而使喷淋下来的水迅速得到冷却。 The present invention is a work process: Referring to Figure l, 4, requiring cooling water into two paths from two volutes respectively to the turbine 7, 8, with two guide volute stream of water reaching the seat ring 5, and flows through the seat ring of guide vanes 6 water guide runner 11, and drive wheel 11 is rotated, at the same time, the main shaft 6 with the wheel 7 is rotated, the impeller 3 is rotated so as to drive the wind; ll turning out from the water outlet 4 draft tube, the draft tube from the water supply pipe 4 into the nozzle 12, and through the spray head 13 out through the water spray out of the cooling tower after the filler 14 filled with water down to the bottom plate 15, and then from the discharge pipe 16; in the process, cool air enters from the bottom of the circumferential side, by forced ventilation countercurrent contacting water, and the cold air fan spray overhead down, and heat exchange, so that the water spray down rapidly cooled.

当水轮机2输出的转速可与风叶轮3的额定转速匹配时,用本水轮机的主轴10直接带动风叶轮3转动;如果两者转速不能匹配时,可在所述水轮机的输出轴10与风叶轮3的驱动轴之间加设齿轮调速器进行调节。 When the rotational speed output from the wind turbine may match the rated speed of the impeller 3, a spindle 10 driven by this wind turbine directly to the impeller 3 rotates; if both the rotational speed does not match, the impeller 10 and the output shaft of the wind turbine add governor gear provided between the drive shaft 3 is adjusted.

另外,在尾水管和喷头供水管之间可以设置一个储水箱进行过渡。 Further, between the draft tube and the nozzle water supply pipe may be provided a transition tank.

Claims (3)

1、一种水动能回收冷却塔,它具有一个冷却塔体(1),在该冷却塔体内设有一个水轮机(2),在该水轮机的输出轴上联有一个风叶轮(3),其特征是:所述的水轮机(2)为反击式水轮机,它包括一个尾水管(4),在尾水管上端固联一个座环(5),在座环中设有导水叶片(6),在座环外周固联有蜗壳,在座环上端面设有盖板(9),在盖板(9)中心处通过轴承装有一个垂直插入座环中心的主轴(10),在主轴(10)下端装有一个反击式水轮机的转轮(11)。 A kinetic energy recovery water cooling tower, the cooling tower having a body (1), provided with a water turbine (2) in the body of the tower, a wind wheel (3) with an output shaft of the turbine, which characterized in that: said turbine (2) is a reaction turbine which comprises a draft tube (4), at the upper end of the draft tube with a fixed seat ring (5), the seat ring is provided with water guiding blades (6), the seat an outer ring fixedly connected with a periphery of the volute, the seat ring is provided on the cover end surface (9), (10) the lower end of the spindle (10) in the cover (9) with a vertical center of the bearing housing is inserted through the center of the ring, the spindle counter with a turbine runner (11).
2、 根据权利要求1所述的水动能回收冷却塔,其特征是:在所述反击式水轮机座环的外周固联两个蜗壳(7、 8),该两个蜗壳以座环(5) 轴线为轴而轴对称反向布置,从而形成以座环(5)为中心的双向对称进水分布。 2, the water kinetic energy recovery claim 1 a cooling tower, characterized in that: the outer ring of reaction turbines circumferential seat fixedly connected two volute (7, 8), the seat ring to two volute ( 5) the axis of the shaft axis are arranged symmetrically reversed, thereby forming a bilaterally symmetric to the seat ring (5) as the center of the water distribution.
3、 根据权利要求1或2所述的水动能回收冷却塔,其特征是:在所述水轮机的输出轴(10)与风叶轮(3)的驱动轴之间设有一个齿轮调速明. 益° 3, the water 1 or claim 2 kinetic energy recovery tower, characterized in that: a gear provided between the drive shaft speed out (10) and the air impeller (3) of the turbine output shaft. beneficial
CNU2007200321972U 2007-07-06 2007-07-06 Water kinetic energy recovery cooling tower CN201072304Y (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101846029A (en) * 2010-05-11 2010-09-29 秦宇献 Cooler with power generation function
CN102183158A (en) * 2011-01-25 2011-09-14 张普妲 Cooling tower of hydrodynamic draught fan
CN102192662A (en) * 2010-03-03 2011-09-21 丘新贵 Energy-saving cooling tower
CN101818715B (en) 2009-02-26 2012-03-07 张玉萍 Driving hydroturbine device used for cooling tower and cooling tower comprising same
CN101363392B (en) 2008-09-16 2012-05-23 河南新飞纪元科技有限公司 Pressure turgo impulse turbine special for blower fan of cooling tower
CN102767973A (en) * 2012-07-23 2012-11-07 江苏申久化纤有限公司 Mechanical draft cooling tower system
CN102828972A (en) * 2012-01-19 2012-12-19 上海孜寅能源科技有限公司 Variable speed hydrodynamic wind impeller for cooling tower
CN103148711A (en) * 2013-03-29 2013-06-12 上海宝要节能科技有限公司 Oil-pressure water turbine special for cooling tower
CN104006608A (en) * 2014-06-13 2014-08-27 株洲醴陵旗滨玻璃有限公司 Cooling water circulation system
CN104457335A (en) * 2014-12-31 2015-03-25 四川科新机电股份有限公司 Coiled pipe heat exchanger

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101363392B (en) 2008-09-16 2012-05-23 河南新飞纪元科技有限公司 Pressure turgo impulse turbine special for blower fan of cooling tower
CN101818715B (en) 2009-02-26 2012-03-07 张玉萍 Driving hydroturbine device used for cooling tower and cooling tower comprising same
CN102192662A (en) * 2010-03-03 2011-09-21 丘新贵 Energy-saving cooling tower
CN102192662B (en) 2010-03-03 2012-10-31 丘新贵 Energy-saving cooling tower
CN101846029A (en) * 2010-05-11 2010-09-29 秦宇献 Cooler with power generation function
CN101846029B (en) 2010-05-11 2013-06-12 秦宇献 Cooler with power generation function
CN102183158A (en) * 2011-01-25 2011-09-14 张普妲 Cooling tower of hydrodynamic draught fan
CN102828972A (en) * 2012-01-19 2012-12-19 上海孜寅能源科技有限公司 Variable speed hydrodynamic wind impeller for cooling tower
CN102767973A (en) * 2012-07-23 2012-11-07 江苏申久化纤有限公司 Mechanical draft cooling tower system
CN103148711A (en) * 2013-03-29 2013-06-12 上海宝要节能科技有限公司 Oil-pressure water turbine special for cooling tower
CN103148711B (en) 2013-03-29 2014-08-20 上海宝要节能科技有限公司 Oil-pressure water turbine special for cooling tower
CN104006608A (en) * 2014-06-13 2014-08-27 株洲醴陵旗滨玻璃有限公司 Cooling water circulation system
CN104006608B (en) * 2014-06-13 2017-01-04 株洲醴陵旗滨玻璃有限公司 Cooling water circulation system
CN104457335A (en) * 2014-12-31 2015-03-25 四川科新机电股份有限公司 Coiled pipe heat exchanger

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