CN103743257A - Efficient hydrodynamic cooling tower - Google Patents

Efficient hydrodynamic cooling tower Download PDF

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Publication number
CN103743257A
CN103743257A CN201410010239.7A CN201410010239A CN103743257A CN 103743257 A CN103743257 A CN 103743257A CN 201410010239 A CN201410010239 A CN 201410010239A CN 103743257 A CN103743257 A CN 103743257A
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water
refers
cooling tower
runner
turning cylinder
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CN103743257B (en
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张礼达
魏艳立
杨静
卢磊
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Xihua University
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Xihua University
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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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention relates to an efficient hydrodynamic cooling tower. The cooling tower is manufactured according to basic data calculated according to a formula design. The cooling tower comprises a shell, a water turbine, a draught fan, a cooling water outlet pipe and a cooling water inlet pipe, wherein the water turbine is matched with the shell and arranged at the inner side of the shell; the draught fan, the cooling water outlet pipe and the cooling water inlet pipe are respectively matched and connected with the water turbine; the water turbine comprises a foundation ring, a volute arranged at the top end of the foundation ring, an exhaust water pipe arranged at the bottom end of the foundation ring, a top cover arranged at the top end of the volute, a rotating shaft penetrating into the volute and a turning wheel arranged at one end of the rotating shaft. The efficient hydrodynamic cooling tower is simple and reasonable in design method and accurate in calculation. The cooling tower provided by the invention has favorable energy and safety performances; and a water flow pushes the turning wheel to generate kinetic energy to drive the draught fan to rotate, and no additional external power source is needed, so that the energy is saved, and the cooling tower is safe and reliable in use and suitable for popularization and application.

Description

High-efficient Water power cooling tower
Technical field
The present invention relates to cooling tower technical field, relate in particular to a kind of High-efficient Water power cooling tower.
Background technology
At present, the main type of cooling of cooling tower that on market, air-conditioning system is being used is take motor as power source, to drive blower fan rotation, makes Air Flow, with the reverse circulation of air conditioning cooling water, thereby reaches the object that air conditioning cooling water is lowered the temperature.For the growing tension situation of the current energy, air-conditioning system is saved energy consumption also just becomes a kind of novel competitive method, and just first become a focus in people's eye for the cooling tower power consumption that occupies whole air-conditioning system 20%~30% energy consumption, how to make cooling tower more can save the new problem that energy consumption has also just become people to be eager solution.In the world and domesticly have people to substitute original motor with mixed-flow or axial-flow type runner, make blower fan change hydro powered into by original driven by power, reached the object of saving energy consumption, but well-known, francis turbine runner application head higher (40~700 meters), but blade is fixed, when load variations is larger, efficiency significantly declines; Although and axial-flow type turns oar machine and can adapt to head (3~50 meters) and load variations, high efficient area is wide, cavitation corrosion coefficient (ratio of power vacuum and head) is larger, and the blade intensity of cantilever is limited, therefore application head is lower.
Summary of the invention
The present invention be for solve existing Cooling Tower for Air conditioning System energy consumption compared with large and problem to surrounding enviroment pollution etc., propose a kind of by simple, reasonably method for designing produces and not only has good energy and security performance, and can significantly reduce electric power energy consumption, noise decrease, range of application is High-efficient Water power cooling tower more widely.
The present invention is achieved by the following technical solutions:
The method for designing of above-mentioned High-efficient Water power cooling tower, it comprises the following steps:
(A) unit energy between calculating hydroturbine water intake mouth and hydraulic turbine water outlet is poor, i.e. cooling tower working head H r, computing formula is:
H r = E A - E B = ( Z A + p A γ A + α A v A 2 2 g ) - ( Z B + p B γ B + α B v B 2 2 g ) - - - ( 1 ) ;
In above-mentioned formula (1), EA refers to the unit energy at hydroturbine water intake mouth place; EB refers to the unit energy of hydraulic turbine water outlet; ZA refers to the geometric height at hydroturbine water intake mouth place; ZB refers to the geometric height of hydraulic turbine water outlet; The pressure of PA finger wheel machine water inlet; The pressure of PB finger wheel machine water inlet; The proportion of γ A hydroturbine water intake mouth place water; The proportion of γ B hydraulic turbine water outlet water; ν A refers to the mean flow rate of hydroturbine water intake mouth place current; ν B refers to the mean flow rate of hydraulic turbine water outlet current; α A refers to the flow velocity nonuniformity coefficient of hydroturbine water intake mouth place current; α A refers to the flow velocity nonuniformity coefficient of hydraulic turbine water outlet current; G refers to acceleration of gravity;
(B) according to above-mentioned steps (A) and cooling tower Preliminary design calculation of parameter runner diameter D1, its computing formula is:
D 1 = P 9.81 Q 1 H r 3 2 η - - - ( 2 ) ;
In above-mentioned formula (2), P refers to the rated output power of runner; Q 1refer to the specific discharge m of rotor design declared working condition 3/ s; η refers to runner delivery efficiency, η=0.8-0.9;
(C) according to above-mentioned steps (A), calculate spiral case inlet caliber d1, its computing formula is:
d 1 = Q r 3.14 v 1 - - - ( 4 ) ;
In above-mentioned formula (4), Qr refers to cooling tower design cooling water inflow, and V1 refers to the flow rate of water flow at spiral case inlet place;
(D) calculate cooling tower design cooling water inflow Qr in above-mentioned formula (4), its computing formula is:
Q r = rω + ηgH ω 1 2 π b 0 + r A ctgβ ( m 3 / s ) - - - ( 5 ) ;
In above-mentioned formula (5), r refers to outlet of rotary wheel radius; ω refers to runner angular velocity of rotation; β refers to runner bucket established angle; A refers to outlet of rotary wheel area of passage; b 0refer to fixed guide vane height.
Described High-efficient Water power cooling tower, wherein, the computing formula of the unit energy EA of described hydroturbine water intake mouth place current is:
E A = Z A + p A γ A + α A v A 2 2 g ;
The computing formula of the unit energy EA of described water outlet current is:
E B = Z B + p B γ B + α B v B 2 2 g ;
The rated output power P computing formula of described runner is: P=9.81Q rh rη, in formula, P refers to runner power, Q rrefer to cooling tower design cooling water inflow, H rrefer to cooling tower working head, η refers to runner delivery efficiency;
The computing formula of the flow rate of water flow at described spiral case inlet place is:
V 1 = K r H r - - - ( 3 ) ;
K r=0.9~0.95;
In above-mentioned formula (3), K rrefer to efflux coefficient;
The computing formula of the specific speed ns of described runner is:
n s = n P H r 5 4 - - - ( 6 ) ;
In above-mentioned formula (6), ns=ω/2 π, n=150-200 rev/min.
A High-efficient Water power cooling tower for the method for designing of High-efficient Water power cooling tower, comprises shell, mates and be located at the hydraulic turbine of described shell inner side and mate respectively with the described hydraulic turbine fan, cooling water outlet pipe and the cooling water inlet pipe that are connected; The described hydraulic turbine comprises foundation ring, be installed in the spiral case on described foundation ring top, be installed in described foundation ring bottom draft tube, be installed in described spiral case top top cover, be arranged in the turning cylinder of described spiral case inner side and be installed in the runner of described turning cylinder one end; Described runner is the conical shell body structure tilting to the other end from one end, and its coupling is fixedly arranged on the bottom of described turning cylinder, and outer wall is evenly provided with along circumference inclination certain angle the runner bucket that is spatial warping face; Described runner bucket also forms an oblique angle with described turning cylinder and flow direction respectively.
Described High-efficient Water power cooling tower, wherein: described spiral case is that spiral case and the caliber of inside helical pipe composition progressively dwindles with helix structure, and its inner side is opening-like; Described spiral case is also equiped with the fixed guide vane for shunting current in the inner side that is positioned at opening part.
Described High-efficient Water power cooling tower, wherein: described top cover tubular structure ringwise, is equiped with sealing device between the madial wall of its bottom nozzle and described turning cylinder.
Described High-efficient Water power cooling tower, wherein: described turning cylinder is axis structure, its one end passes to described top cover upside, and the other end passes to described top cover downside; The top that described turning cylinder passes to described top cover upside offers the first keyway, and the bottom that described turning cylinder passes to described top cover downside offers the second keyway; Described fan is equipped with positioning key and is fixed on the top of described turning cylinder by described the first keyway; Described runner is equipped with positioning key by described the second keyway and is fixed by socket the bottom in described turning cylinder.
Described High-efficient Water power cooling tower, wherein: the described hydraulic turbine also comprises bearing block; The tapered tubular structure of described bearing block, its coupling is sheathed on the described turning cylinder one end passing to described top cover upside; The top ports of described bearing block is installed with bearing cover, and bottom is fixedly connected with described the second ring flange; Between the top ports inwall of described bearing block and described turning cylinder, be equiped with bearing, between the bottom nozzle inwall of described bearing block and described turning cylinder, be also equiped with bearing.
Described High-efficient Water power cooling tower, wherein: described cooling water inlet pipe one end puts in described shell inner side and is connected conducting with the water inlet of described spiral case, the other end stretches out described shell outside and connects external water supply installation; Described cooling water outlet pipe is horizontally placed on the inner side, upper end of described shell, and its middle part is connected with described draft tube and conducting.
Beneficial effect:
The method for designing of High-efficient Water power cooling tower of the present invention is simple, reasonable, according to formula (1), (2), (4), (5) designing and calculating, draw master data, the cooling tower producing according to these master datas, there is good energy and security performance, by water impact runner, produce kinetic energy, drive blower fan rotates, and does not need to increase external power supply, thereby reaches energy-conservation object.
High-efficient Water power Cooling Tower Design of the present invention is simple, reasonable, wherein, by water impact diagonal flow type runner, produces kinetic energy, thereby drives blower fan to rotate, and does not need to increase external power supply, thereby reaches energy-conservation object; Runner is connected by turning cylinder with fan, and is having keyway with the junction of turning cylinder, and runner and fan adopt positioning key to be connected with turning cylinder; Spiral case water inlet place does not need to arrange movable water distributor, and the cooling water water yield is determined by cooling water pump flow; In cooling blower, replace motor with inclined flow turbine, runner is the conical shell body structure tilting to the other end from one end and adopts slow-speed of revolution design, make blower fan can reach completely and mate with the rotating speed of runner, therefore between runner and blower fan, deceleration device be not set, is reducing equipment consumable accessory and post facility maintenance rate; Cooling water inlet pipe is directly connected to spiral case water inlet, and draft tube is connected to cooling water outlet pipe road; When cooling water is connected to cooling water inlet pipe by external circulating cooling water pump, it is entered in runner, make runner rotarily drive blower fan, the energy secondary utilization of original circulation, not only eliminated the consumption of electric energy in original cooling blower, the vibrations and the noise that also greatly reduce the anxious deceleration device of blower motor, reduced the pollution of environment, is suitable for propagation and employment
Accompanying drawing explanation
Fig. 1 is the structural representation of High-efficient Water power cooling tower of the present invention;
Fig. 2 is the structural representation of the hydraulic turbine of High-efficient Water power cooling tower of the present invention;
Fig. 3 is another structural representation of the hydraulic turbine of High-efficient Water power cooling tower of the present invention.
the specific embodiment
High-efficient Water power cooling tower of the present invention is mainly used in central air conditioner system, is used for making cooling water temperature, and it draws master data according to formula (1), (2), (4), (5) designing and calculating; The High-efficient Water power cooling tower producing according to these master datas, has good energy and security performance; By water impact runner, produce kinetic energy, drive blower fan to rotate, do not need to increase external power supply, thereby reach energy-conservation object.
The method for designing of High-efficient Water power cooling tower of the present invention, the basic process of its calculating is as follows:
1, the unit energy between calculating hydroturbine water intake mouth place and hydraulic turbine water outlet is poor
Hydroturbine water intake mouth A-A section (section of cooling water inlet pipe 4 in Fig. 1) and water outlet B-B section (section of cooling water inlet pipe 4 in Fig. 1) are located the unit energy that current have and are respectively:
E A = Z A + p A γ A + α A v A 2 2 g ;
E B = Z B + p B γ B + α B v B 2 2 g ;
In formula, EA refers to the unit energy at hydroturbine water intake mouth place;
EB refers to the unit energy of hydraulic turbine water outlet;
ZA refers to the geometric height at hydroturbine water intake mouth place;
ZB refers to the geometric height of hydraulic turbine water outlet;
PA refers to the pressure at hydroturbine water intake mouth place;
PB refers to the pressure at hydroturbine water intake mouth place;
The proportion of γ A hydroturbine water intake mouth place water;
The proportion of γ B hydraulic turbine water outlet water;
ν A refers to the mean flow rate of hydroturbine water intake mouth place current;
ν B refers to the mean flow rate of hydraulic turbine water outlet current;
α A refers to the flow velocity nonuniformity coefficient of hydroturbine water intake mouth place current, α A=1;
α A refers to the flow velocity nonuniformity coefficient of hydraulic turbine water outlet current, α B=1;
G refers to acceleration of gravity;
Unit energy between hydroturbine water intake mouth place and water outlet is poor, refers to that the unit energy between A-A section (section of cooling water inlet pipe 4 in Fig. 1) and B-B section (section of cooling water inlet pipe 4 in Fig. 1) is poor, i.e. cooling tower working head H r, its computing formula is:
H r = E A - E B = ( Z A + p A γ A + α A v A 2 2 g ) - ( Z B + p B γ B + α B v B 2 2 g ) - - - ( 1 ) .
2, according to above-mentioned steps 1 and cooling tower Preliminary design parameter, calculate the rated output power P of runner operation, its computing formula is: P=9.81Q rh rη;
In formula, P refers to power output, and unit is kilowatt;
Q rrefer to cooling tower design cooling water inflow m 3/ s, Qr=0.14-1.4m 3/ s;
H rrefer to cooling tower working head m, H=8~20m;
η refers to runner delivery efficiency, η=0.8-0.9.
3,, according to runner diameter formula, calculate runner diameter D1:
D 1 = P 9.81 Q 1 H r 3 2 η ( m ) - - - ( 2 ) ;
In formula, P refers to power output;
Q 1refer to the specific discharge m of rotor design declared working condition 3/ s, Q 1=2m 3/ s;
H rrefer to cooling tower working head m, H r=8~20m;
η refers to runner delivery efficiency, η=0.8-0.9.
4, calculate spiral case inlet flow velocity V1:
V 1 = K r H r ( m / s ) - - - ( 3 ) ;
K r=0.9-0.95
In formula, K rrefer to efflux coefficient;
5, determine spiral case inlet caliber d1:
d 1 = 2 Q r 3.14 v 1 ( m ) - - - ( 4 ) ;
6, hydraulic turbine discharge regulates equation:
Q r = rω + ηgH ω 1 2 π b 0 + r A ctgβ ( m 3 / s ) - - - ( 5 ) ;
In formula, r refers to outlet of rotary wheel radius;
ω refers to runner angular velocity of rotation;
β refers to runner bucket established angle;
A refers to outlet of rotary wheel area of passage
B 0refer to fixed guide vane height;
Wherein blade angle inlet side is between 22 °~32 °, and outlet edge is 22 °~31 °; The number of blade of runner bucket is 3~8.
7, calculate runner specific speed:
n s = n P H r 5 4 - - - ( 6 ) ;
N=ω/2 π in formula, n=150-200 rev/min.
The noun of locality that relates in High-efficient Water power cooling tower of the present invention " on ", D score and " top ", " end ", " interior ", " outward " all with accompanying drawing 1 or 2 towards consistent.
As shown in Figure 1, 2, High-efficient Water power cooling tower of the present invention is the method for designing based on above-mentioned High-efficient Water power cooling tower, and it comprises shell 1, the hydraulic turbine 2, fan 3, cooling water inlet pipe 4 and cooling water outlet pipe 5.
Shell 1 is roughly fills with shape shell structure, and top is provided with ventilating opening 11.
The hydraulic turbine 2 couplings are arranged at the inside of shell 1, and it comprises foundation ring 21, spiral case 22, fixed guide vane 23, top cover 24, turning cylinder 25, sealing device 26, runner 27, bearing block 28 and draft tube 29.
Foundation ring 21 is horn-like shell structure, and its top all becomes opening shape with bottom; Wherein, the outside level of the bottom nozzle of foundation ring 21 evenly extends to form the first ring flange 211, and the outside level of top ports outer wall has evenly extended to form step surface.
Spiral case 22 is that spiral case and the caliber of inside helical pipe composition progressively dwindles with helix structure, its inner side upside outer wall and downside outer wall opening-like and opening part are equipped with step surface, wherein, the step surface snap-fit of the step surface of the downside outer wall of spiral case 22 opening parts and foundation ring 21 top ports outer walls is also locked by locking member, makes spiral case 22 couplings be fixedly arranged on the top outer wall of foundation ring 21.
Fixed guide vane 23 is installed in the inner side of spiral case 25 opening parts, plays shunting current, makes cooling water uniform shock runner 26, makes runner 26 stressed more even.
Top cover 24 tubular structure ringwise, the outside level of its top ports evenly extends to form the second ring flange 241, bottom port is first outwards after level is evenly extended and is upwards bending extension again, wherein, these top cover 24 bottom nozzles are bending inner side, end of extending and are provided with step surface, these top cover 24 bottom nozzles are the step surface snap-fit of the bending step surface of end extending and the upside outer wall of spiral case 22 opening parts and are locked by locking member, make this top cover 24 be fixedly arranged on the upside outer wall of spiral case 22 opening parts.
Turning cylinder 25 is axis structure and is arranged in top cover 24 inside, and one end passes to top cover 24 upsides, and the other end passes to top cover 24 downsides; Wherein, the top that this turning cylinder 25 passes to top cover 24 upsides offers the first keyway 251, and the bottom that this turning cylinder 25 passes to top cover 24 downsides offers the second keyway 252.
Sealing device 26 couplings are installed between top cover 24 bottom nozzle madial walls and turning cylinder 25, to prevent that the cooling water in spiral case 22 from leaking outside.
Runner 27 is the conical shell body structure tilting to the other end from one end, its second keyway 252 by turning cylinder 25 is equipped with positioning key coupling and is fixed by socket in the bottom of turning cylinder 25, outer wall is evenly provided with the runner bucket 271 that is spatial warping face along circumference inclination certain angle, wherein, this runner bucket 271 also forms an oblique angle with turning cylinder 25 and flow direction respectively.
Bearing block 28 is tapered tubular structure roughly, and its coupling is sheathed on turning cylinder 25 one end that pass to top cover 24 upsides; The top ports of this bearing block 28 is installed with bearing cover 281 by locking member, and bottom is connected and fixed by the second ring flange 241 of locking member and top cover 24 top ports; Wherein, between these bearing block 28 top ports inwalls and turning cylinder 25 and between these bearing block 28 bottom nozzle inwalls and turning cylinder 25, be all equiped with bearing 282.
Draft tube 29 couplings are installed in the bottom of foundation ring 21, and the outside level of its upper port evenly extends to form three-flange dish 291, and wherein, the three-flange dish 291 of this draft tube 29 is connected and fixed by locking member with the first ring flange 211 of foundation ring 21 bottoms.
Fan 3 is installed in the top of turning cylinder 24, and its first keyway 251 by turning cylinder 25 tops is equipped with positioning key and turning cylinder 24 tops are connected and fixed.
Cooling water inlet pipe 4 one end put in shell 1 inner side and are connected conducting with the water inlet of the spiral case 22 of the hydraulic turbine 2, and the other end stretches out shell 1 outside and connects external water supply installation.
Cooling water outlet pipe 5 is horizontally placed on the inner side, upper end of shell 1, and middle part is connected with the draft tube 29 of the hydraulic turbine 2 and conducting.
Operation principle of the present invention:
By external air conditioning cooling water pump, cooling water is delivered to cooling tower, overbottom pressure by water is impacted runner 27, the fan 3 that rotarily drives by runner 27 rotates, and makes the cooling cooling water being sprayed by cooling water outlet pipe 5 of air current flow, thereby reaches the object that makes cooling water temperature.
Method for designing of the present invention is simple, reasonable, and computational process is simple, accurate, and the cooling tower producing according to these master datas, has good energy and security performance.
High-efficient Water power Cooling Tower Design of the present invention is simple, reasonable, it is applied to and in air-conditioning system, not only saves electric power energy consumption, and can also greatly reduce the pollution of NOISE ON ENVIRONMENT, owing to having cancelled motor and deceleration device, therefore, stop the possibility of electric leakage, also made operation conditions more stable, reduced the maintaining of equipment, safe and reliable.
Above embodiment, is only preferred embodiment of the present invention, is not the restriction of the present invention being made to any other form, and according to any modification or equivalent variations that technical spirit of the present invention is done, still belongs to the present invention's scope required for protection.

Claims (8)

1. a method for designing for High-efficient Water power cooling tower, is characterized in that, comprise the following steps,
(A) unit energy between calculating hydroturbine water intake mouth and hydraulic turbine water outlet is poor, i.e. cooling tower working head H r, computing formula is:
H r = E A - E B = ( Z A + p A γ A + α A v A 2 2 g ) - ( Z B + p B γ B + α B v B 2 2 g ) - - - ( 1 ) ;
In above-mentioned formula (1), EA refers to the unit energy at hydroturbine water intake mouth place;
EB refers to the unit energy of hydraulic turbine water outlet;
ZA refers to the geometric height at hydroturbine water intake mouth place;
ZB refers to the geometric height of hydraulic turbine water outlet;
The pressure of PA finger wheel machine water inlet;
The pressure of PB finger wheel machine water inlet;
The proportion of γ A hydroturbine water intake mouth place water;
The proportion of γ B hydraulic turbine water outlet water;
ν A refers to the mean flow rate of hydroturbine water intake mouth place current;
ν B refers to the mean flow rate of hydraulic turbine water outlet current;
α A refers to the flow velocity nonuniformity coefficient of hydroturbine water intake mouth place current;
α A refers to the flow velocity nonuniformity coefficient of hydraulic turbine water outlet current;
G refers to acceleration of gravity;
(B) according to above-mentioned steps (A) and cooling tower Preliminary design calculation of parameter runner diameter D1, its computing formula is:
D 1 = P 9.81 Q 1 H r 3 2 η - - - ( 2 ) ;
In above-mentioned formula (2), P refers to the rated output power of runner;
Q 1refer to the specific discharge m of rotor design declared working condition 3/ s;
η refers to runner delivery efficiency, η=0.8-0.9;
(C) according to above-mentioned steps (A), calculate spiral case inlet caliber d1, its computing formula is:
d 1 = Q r 3.14 v 1 - - - ( 4 ) ;
In above-mentioned formula (4), Qr refers to cooling tower design cooling water inflow, and V1 refers to the flow rate of water flow at spiral case inlet place;
(D) calculate cooling tower design cooling water inflow Qr in above-mentioned formula (4), its computing formula is:
Q r = rω + ηgH ω 1 2 π b 0 + r A ctgβ ( m 3 / s ) - - - ( 5 ) ;
In above-mentioned formula (5), r refers to outlet of rotary wheel radius;
ω refers to runner angular velocity of rotation;
β refers to runner bucket established angle;
A refers to outlet of rotary wheel area of passage;
B 0refer to fixed guide vane height.
2. High-efficient Water power cooling tower as claimed in claim 1, is characterized in that, the computing formula of the unit energy EA of described hydroturbine water intake mouth place current is:
E A = Z A + p A γ A + α A v A 2 2 g ;
The computing formula of the unit energy EA of described water outlet current is:
E B = Z B + p B γ B + α B v B 2 2 g ;
The rated output power P computing formula of described runner is: P=9.81Q rh rη, in formula, P refers to runner power, Q rrefer to cooling tower design cooling water inflow, H rrefer to cooling tower working head, η refers to runner delivery efficiency;
The computing formula of the flow rate of water flow at described spiral case inlet place is:
V 1 = K r H r - - - ( 3 ) ;
K r=0.9~0.95;
In above-mentioned formula (3), K rrefer to efflux coefficient;
The computing formula of the specific speed ns of described runner is:
n s = n P H r 5 4 - - - ( 6 ) ;
In above-mentioned formula (6), ns=ω/2 π, n=150-200 rev/min.
3. a High-efficient Water power cooling tower for the method for designing of the High-efficient Water power cooling tower based on described in the claims 1,2 any one, comprises shell, mates and be located at the hydraulic turbine of described shell inner side and mate respectively with the described hydraulic turbine fan, cooling water outlet pipe and the cooling water inlet pipe that are connected; The described hydraulic turbine comprises foundation ring, be installed in the spiral case on described foundation ring top, be installed in described foundation ring bottom draft tube, be installed in described spiral case top top cover, be arranged in the turning cylinder of described spiral case inner side and be installed in the runner of described turning cylinder one end; It is characterized in that: described runner is the conical shell body structure tilting to the other end from one end, and its coupling is fixedly arranged on the bottom of described turning cylinder, and outer wall is evenly provided with along circumference inclination certain angle the runner bucket that is spatial warping face;
Described runner bucket also forms an oblique angle with described turning cylinder and flow direction respectively.
4. High-efficient Water power cooling tower as claimed in claim 3, is characterized in that: described spiral case is that spiral case and the caliber of inside helical pipe composition progressively dwindles with helix structure, and its inner side is opening-like; Described spiral case is also equiped with the fixed guide vane for shunting current in the inner side that is positioned at opening part.
5. High-efficient Water power cooling tower as claimed in claim 3, is characterized in that: described top cover tubular structure ringwise, is equiped with sealing device between the madial wall of its bottom nozzle and described turning cylinder.
6. High-efficient Water power cooling tower as claimed in claim 3, is characterized in that: described turning cylinder is axis structure, and its one end passes to described top cover upside, and the other end passes to described top cover downside;
The top that described turning cylinder passes to described top cover upside offers the first keyway, and the bottom that described turning cylinder passes to described top cover downside offers the second keyway;
Described fan is equipped with positioning key and is fixed on the top of described turning cylinder by described the first keyway;
Described runner is equipped with positioning key by described the second keyway and is fixed by socket the bottom in described turning cylinder.
7. High-efficient Water power cooling tower as claimed in claim 6, is characterized in that: the described hydraulic turbine also comprises bearing block; The tapered tubular structure of described bearing block, its coupling is sheathed on the described turning cylinder one end passing to described top cover upside;
The top ports of described bearing block is installed with bearing cover, and bottom is fixedly connected with described the second ring flange;
Between the top ports inwall of described bearing block and described turning cylinder, be equiped with bearing, between the bottom nozzle inwall of described bearing block and described turning cylinder, be also equiped with bearing.
8. High-efficient Water power cooling tower as claimed in claim 3, is characterized in that: described cooling water inlet pipe one end puts in described shell inner side and is connected conducting with the water inlet of described spiral case, and the other end stretches out described shell outside and connects external water supply installation;
Described cooling water outlet pipe is horizontally placed on the inner side, upper end of described shell, and its middle part is connected with described draft tube and conducting.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110044189A (en) * 2019-04-19 2019-07-23 陈锦升 Glass steel high performance counter current formula cooling tower
CN110242476A (en) * 2019-07-03 2019-09-17 华北水利水电大学 Ultra-low specific speed inclined flow turbine runner
CN112554117A (en) * 2020-12-25 2021-03-26 苏州和宏基础工程有限公司 Green civilization building construction dust fall system

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Publication number Priority date Publication date Assignee Title
CN110044189A (en) * 2019-04-19 2019-07-23 陈锦升 Glass steel high performance counter current formula cooling tower
CN110044189B (en) * 2019-04-19 2020-10-23 安徽汇川管理咨询有限公司 Glass fiber reinforced plastic counter-flow cooling tower
CN110242476A (en) * 2019-07-03 2019-09-17 华北水利水电大学 Ultra-low specific speed inclined flow turbine runner
CN110242476B (en) * 2019-07-03 2020-07-31 华北水利水电大学 Ultra-low specific speed diagonal flow type water turbine runner
CN112554117A (en) * 2020-12-25 2021-03-26 苏州和宏基础工程有限公司 Green civilization building construction dust fall system

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