CN104214113A - Hybrid water type evaporative condenser fan - Google Patents

Abstract

The invention discloses a hybrid power type water evaporative condenser fan, which comprises a fan, a motor, a driving wheel, a belt, a driven wheel and a water turbine, wherein the water turbine comprises a shell, an impeller, a central rotating shaft and a shaft seat, the impeller is arranged in an inner cavity of the shell, the shaft seat covers the upper end of the shell, a shaft seat through hole which runs up and down is formed in the shaft seat, the upper end of the central rotating shaft is fixedly inserted in the shaft seat through hole in a rotating mode and extends out of the shaft seat, the lower end of the central rotating shaft extends to the inner cavity of the shell and is fixedly connected with the central rotating shaft of the impeller, a water inlet interface and a water outlet interface which are communicated with the inner cavity of the shell are formed in the shell, the driving wheel is fixedly connected to an output. The hybrid power type water evaporative condenser fan has two driving modes of driving the water turbine by the motor driving stage, the driving modes are flexible and practical, and the energy consumption ratio can be economically and conveniently reduced.

Description

Hybrid water type evaporative condenser fan

technical field

The invention relates to the mechanical field, in particular to a hybrid water-type evaporative condenser fan.

Background technique

For a long time, there have been two drive modes for water-type evaporative condenser fans. The first one is that the motor is directly connected or drives the fan through a reduction gear. Since the operating load of the water-type evaporative condenser is directly related to the meteorological conditions, the energy consumption ratio of the low-load state and the energy consumption ratio of the full-load state are not reduced; the second type is the high water pressure drive of the system pipe network Water turbine, the water turbine coaxially drives the fan to run. The inlet water pressure of this type of water-type evaporative condenser is greater than 140kpa, which is 80kpa higher than that of the general water-type evaporative condenser. The evaporative condenser is small. Unable to meet usage when the system is overloaded.

In view of the above problems, there is an urgent need for a hybrid water-type evaporative condenser fan with a reasonable structure, which can not only significantly improve the energy consumption ratio and operation mode, but also effectively improve the high-efficiency performance of the circulation system.

Contents of the invention

The purpose of the present invention is to provide a hybrid water evaporative condenser fan with reasonable structure, which can not only significantly improve the energy consumption ratio and operation mode, but also effectively improve the high efficiency performance of the circulation system.

In order to achieve the above object, the technical solution of the present invention is to provide a hybrid water type evaporative condenser fan, including a fan, a motor, a driving wheel, a belt, a driven wheel and a water turbine, and the water turbine includes a casing, an impeller, a center The shaft and the shaft seat, the impeller is placed in the inner cavity of the casing, the shaft seat is covered on the upper end of the casing, the shaft seat has a shaft seat through hole going up and down, the shaft seat The upper end of the central rotating shaft is fixedly inserted in the through hole of the shaft seat and protrudes from the shaft seat, and the lower end of the central rotating shaft extends to the inner cavity of the casing and is fixedly connected with the central rotating shaft of the impeller. The casing is provided with a water inlet port and a water outlet port communicating with the inner cavity of the casing, the driving wheel is fixedly connected to the output shaft of the motor, and the fan and the driven wheel are connected from top to bottom. The belt is fixedly connected to the upper end of the central rotating shaft in turn, and the belt is wound outside the driving wheel and the driven wheel.

The hybrid water type evaporative condenser fan also includes a fixed bracket on which both the motor and the water turbine are fixed.

The water turbine also includes an upper bearing, an upper sealing ring, an upper gland, a lower bearing, a lower sealing ring and a lower gland, the shaft seat includes a base and a shaft sleeve connected to the upper end of the base, the shaft The seat through hole runs through the base and the shaft sleeve up and down, and the upper bearing and the upper sealing ring are installed in the shaft seat through hole in sequence from bottom to top corresponding to the upper end of the shaft sleeve and fixedly sleeved on the shaft sleeve. On the central rotating shaft, the upper gland is fixedly sleeved on the central rotating shaft and fixedly connected to the upper end surface of the shaft sleeve, and the lower bearing and the lower sealing ring are installed on the shaft seat in sequence from top to bottom. The hole corresponds to the lower end of the shaft sleeve and is fixedly sleeved on the central rotating shaft, and the lower gland is fixedly sleeved on the central rotating shaft and fixedly connected to the lower end surface of the shaft sleeve.

Compared with the prior art, the fan of the hybrid water-type evaporative condenser of the present invention has two driving modes driven by the electric motor and the hydraulic turbine, the driving mode is flexible and practical, and can economically and conveniently reduce the energy consumption ratio and maximize the utilization of the circulation system Excess water pressure in the pipe network.

The present invention will become clearer through the following description in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention.

Description of drawings

Fig. 1 is a structural schematic diagram of a hybrid water type evaporative condenser fan of the present invention.

Fig. 2 is an exploded view of the fan of the hybrid water type evaporative condenser of the present invention.

Fig. 3 is a partial cross-sectional view of the fan of the hybrid water type evaporative condenser of the present invention.

Detailed ways

Referring to FIG. 1 to FIG. 3 , the fan 100 of the hybrid water type evaporative condenser of the present invention includes a fan 10 , a motor 20 , a driving wheel 30 , a belt 40 , a driven wheel 50 , a water turbine 60 and a fixed bracket 70 .

The water turbine 60 includes a casing 61 , an impeller 62 , a central rotating shaft 63 and a shaft seat 64 . The impeller 62 is placed in the inner cavity of the casing 61, the shaft seat 64 is covered on the upper end of the casing 61, and the shaft seat 64 is provided with a shaft seat through hole 641 going up and down. The upper end of the central rotating shaft 63 is rotatably inserted in the shaft seat through hole 641 and extends out of the shaft seat 64, and the lower end of the central rotating shaft 63 extends to the inner chamber of the casing 61 and the impeller 62. The central rotating shaft is fixedly connected, and the casing 61 is provided with a water inlet port 611 and a water outlet port 612 communicating with the inner cavity of the casing 61 . The driving wheel 30 is affixed to the output shaft of the motor 20, the fan 10 and the driven wheel 50 are affixed to the upper end of the central rotating shaft 63 sequentially from top to bottom, and the belt 40 is wound around the Outside the driving wheel 30 and the driven wheel 50. Both the motor 20 and the water turbine 60 are fixed on the fixing bracket 70 .

Preferably, the water turbine 60 also includes an upper bearing 65, an upper sealing ring 66, an upper gland 67, a lower bearing 68, a lower sealing ring 69 and a lower gland 691, and the shaft seat 64 includes a base 642 and is connected to The shaft sleeve 643 at the upper end of the base 642 , the shaft seat through hole 641 runs through the base 642 and the shaft sleeve 643 up and down. The upper bearing 65 and the upper sealing ring 66 are sequentially installed in the shaft seat through hole 641 corresponding to the upper end of the shaft sleeve 643 from bottom to top, and are fixedly sleeved on the central rotating shaft 63 . The upper gland 67 is fixedly sleeved on the central rotating shaft 63 and fixedly connected with the upper end surface of the shaft sleeve. The lower bearing 68 and the lower sealing ring 69 are sequentially installed in the through hole 641 of the shaft seat corresponding to the lower end of the shaft sleeve 643 from top to bottom and fixedly sleeved on the central rotating shaft 63. The lower gland 691 is fixedly sleeved on the central rotating shaft 63 and fixedly connected to the lower end surface of the shaft sleeve 643 .

When the fan 100 of the hybrid water-type evaporative condenser of the present invention is working, the water inlet port 611 and the water outlet port 612 are connected to the water inlet pipe and the water outlet pipe respectively, and the water flows in from the water inlet port 611 and flows out from the water outlet port 612, and the water flow drives The impeller 62 rotates, and then drives the central shaft 63 to rotate, thereby driving the fan 10 to rotate. When the load of the fan 10 is less than 50%, the motor 20 is turned off, and the power of the fan 10 is all provided by the water turbine 60. When the load of the fan 10 exceeds 50%, The motor 20 is started, and the fan 10 is driven to run at full load through the driving wheel 30 , the belt 40 and the driven wheel 50 .

The fan of the hybrid water-type evaporative condenser of the present invention has two driving modes driven by a motor-driven stage and a hydraulic turbine, the driving mode is flexible and practical, and can economically and conveniently reduce the energy consumption ratio and maximize the use of excess water pressure in the pipe network of the circulation system.

The present invention has been described above in conjunction with the best embodiments, but the present invention is not limited to the above-disclosed embodiments, but should cover various modifications and equivalent combinations based on the essence of the present embodiments.

Claims (3)

1. A hybrid type water type evaporative condenser blower fan is characterized in that: comprise blower fan, electric motor, driving wheel, belt, driven wheel and water turbine, described water turbine comprises casing, impeller, central rotating shaft and axle seat, described The impeller is placed in the inner cavity of the casing, the shaft seat is covered on the upper end of the casing, the shaft seat is opened with a shaft seat through hole going up and down, and the upper end of the central shaft is rotated and inserted It is arranged in the through hole of the shaft seat and protrudes from the shaft seat. The lower end of the central rotating shaft extends to the inner cavity of the casing and is fixedly connected with the central rotating shaft of the impeller. The inner cavity of the casing communicates with the water inlet port and the water outlet port, the driving wheel is fixedly connected to the output shaft of the motor, and the fan and the driven wheel are fixedly connected to the center in turn from top to bottom. On the upper end of the rotating shaft, the belt is wound outside the driving wheel and the driven wheel. 2 . The hybrid water type evaporative condenser fan according to claim 1 , further comprising a fixed bracket on which both the motor and the water turbine are fixed. 3 . 3. The hybrid water type evaporative condenser fan according to claim 1, wherein the water turbine also includes an upper bearing, an upper seal ring, an upper gland, a lower bearing, a lower seal ring and a lower gland, The shaft seat includes a base and a shaft sleeve connected to the upper end of the base. The through hole of the shaft seat runs through the base and the shaft sleeve up and down. The upper bearing and the upper sealing ring are sequentially arranged from bottom to top. Installed in the through hole of the shaft seat corresponding to the upper end of the shaft sleeve and fixedly sleeved on the central rotating shaft, the upper gland is fixedly sleeved on the central rotating shaft and connected to the upper end surface of the shaft sleeve Fixed connection, the lower bearing and the lower sealing ring are installed sequentially from top to bottom in the through hole of the shaft seat corresponding to the lower end of the shaft sleeve and fixedly sleeved on the central rotating shaft, and the lower gland is fixedly sleeved On the central rotating shaft and fixedly connected with the lower end surface of the shaft sleeve.