Central shaft driving flow guide mechanism applied to cooling tower

Abstract

The invention relates to the technical field of cooling tower flow guiding, in particular to a center shaft driving flow guiding mechanism applied to a cooling tower, which comprises an external support, an internal box body, an air duct, a filler and a water collecting tray, and a bottom water pumping module protruding downwards is fixedly assembled at the center position of the lower surface of the water collecting tray. According to the center shaft driving flow guide mechanism applied to the cooling tower, a bottom water pumping module and a top spraying flow guide module can be synchronously driven through cooperation of a single bottom driving motor and a longitudinal driving flow guide shaft, and the structure and cost of a power unit are greatly reduced; through the design that the power unit is arranged at the bottom, the cost and difficulty of later maintenance are greatly reduced; the device can adapt to different operation scenes and environments, kinetic energy loss is reduced, control is more accurate, and meanwhile the bottom flow guide efficiency is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of cooling tower flow diversion, in particular to a central axis driven flow diversion mechanism applied to a cooling tower. Background Art

[0002] Cooling towers are equipment used to lower water temperature, dissipating heat through heat exchange between water and air. The core function of a cooling tower is to exchange heat between cooling water carrying waste heat and air through evaporative heat dissipation, convection heat transfer, and radiation heat transfer, so as to lower the water temperature and obtain recyclable cooling water. Cooling towers play a vital role in industrial production and refrigeration systems. Through efficient heat exchange processes, they lower water temperature, ensure stable operation of equipment, and reduce energy consumption and environmental pollution.

[0003] In order to ensure the cooling effect of the cooling tower, the cooling towers currently on the market are equipped with a diversion pump at the bottom and a fan at the top to improve the heat dissipation and diversion effects through the dual effects of spraying and diversion. However, the system currently requires the use of two power units, and the top-mounted power unit is easily affected by the high temperature and high humidity at the top, resulting in a limited service life and difficulty in maintenance. The cost of later use is relatively high. At the same time, the spraying method is fixed and limited, and the applicable scenarios are relatively single. Summary of the invention

[0004] The technical problem to be solved by the present invention is: the heat dissipation system of the cooling tower currently on the market needs to use two power units, and the top-mounted power unit is easily affected by the high temperature and high humidity at the top, resulting in a limited service life, and difficult maintenance, and relatively high later use costs. At the same time, the spraying method is fixed and limited, and the applicable scenarios are relatively single.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a central axis driven flow guide mechanism applied to a cooling tower, comprising an external bracket, an internal box body, a wind tube, a filler and a water collecting tray, a bottom-mounted water pumping module protruding downward is fixedly installed at the center position of the lower surface of the water collecting tray, a bottom-mounted water pumping module is fixedly installed on the lower surface of the bottom-mounted water pumping module through a bottom frame, and a longitudinal driving flow guide shaft penetrating the bottom-mounted water pumping module is axially fixed on the upper end driving shaft of the bottom driving motor.

[0006] The internal box body is fixedly installed on the inner side of the external bracket, the air duct is fixedly installed at the upper opening position of the internal box body, the filler is fixedly installed inside the internal box body through the bottom support frame, the water collecting tray is fixedly installed at the lower opening position of the internal box body, and a bottom water inlet connected to the upper water inlet of the bottom pumping module is opened at the center of the lower surface of the water collecting tray.

[0007] The bottom-mounted water pumping module includes a bottom diversion cover fixed to the lower end of the water collecting tray, a bottom adjustment disc arranged on the inner bottom surface of the bottom diversion cover, centrifugal diversion blades fixed to the upper surface of the bottom adjustment disc, an external diversion pipe installed on the outer side surface of the bottom diversion cover, and an outer side diversion cover fixed at the drainage outlet position at the lower end of the external diversion pipe.

[0008] The bottom-mounted driving motor is fixedly installed at the lower end of the bottom-mounted frame, and the driving shaft at the upper end of the bottom-mounted driving motor is inserted into the connection hole at the lower end of the longitudinally arranged driving diversion shaft and coaxially fixed with the longitudinally arranged driving diversion shaft.

[0009] A side diversion cover matched with the outer side diversion cover is arranged on the outer side surface of the longitudinally arranged driving diversion shaft, and the external diversion cover is connected to the inside of the longitudinally arranged driving diversion shaft through being sleeved on the outside of the side diversion cover.

[0010] A magnetic coupling drive speed regulation mechanism is arranged between the bottom diversion cover, the bottom adjustment disc and the side diversion cover.

[0011] An upper-side flipping diversion pipe, an adjustment support rod for controlling the upper-side flipping diversion pipe, and diversion blades fixed on the side wall of the upper-side flipping diversion pipe are movably assembled on the outer side surface of the longitudinally arranged driving diversion shaft above the packing.

[0012] A lateral flipping storage groove for storing the adjustment support rod is formed on the outer side surface of the longitudinally arranged driving diversion shaft.

[0013] A lateral spray head communicated with the side diversion cover is fixedly installed on the side wall of the upper-side flipping diversion pipe.

[0014] A bottom-side limiting diversion groove is formed on the side wall of the longitudinally arranged driving diversion shaft.

[0015] The beneficial effects of the present invention are as follows: (1) The central shaft drive diversion mechanism applied to the cooling tower in the present invention can synchronously drive the bottom-mounted water pumping module and the top spray diversion module through a single bottom-mounted driving motor cooperating with a longitudinally arranged driving diversion shaft, greatly reducing the structure and cost of the power unit; (2) Through the design of arranging the power unit at the bottom, the cost and difficulty of later maintenance and repair are greatly reduced; (3) A magnetic coupling drive speed regulation mechanism is arranged between the bottom diversion cover, the bottom adjustment disc and the side diversion cover. Through the magnetic coupling drive speed regulation mechanism, the speed difference between the diversion mechanism and the diversion blades can be changed according to needs, so that it can adapt to different operation scenarios and environments, reduce kinetic energy loss, control more precisely, and ensure the bottom diversion efficiency at the same time; (4) The upper-side turning diversion pipe, the adjusting support rod, and the diversion vanes on the sidewall of the side-turning diversion pipe adopt an external hanging structure design, which can be adjusted in angle according to needs, so as to facilitate storage. When unfolded, it can be connected to the longitudinally arranged driving diversion shaft, thereby changing the spraying method and making the operation more diverse; (5) Using the sprayed circulating water to cool and dissipate heat for all power units can greatly extend the service life of the entire cooling unit and greatly improve safety; (6) The structure of the entire diversion mechanism is simple, small in size, convenient for storage, easy for transportation and storage, reducing the pre-assembly cost and improving the installation adaptability. Description of the Drawings

[0016] The present invention will be further described below in conjunction with the drawings and embodiments.

[0017] Figure 1 It is a schematic structural diagram of the present invention.

[0018] Figure 2 It is a schematic internal structure diagram of the present invention.

[0019] Figure 3 It is a schematic internal structure diagram of the bottom-mounted pumping module in the present invention.

[0020] Figure 4 It is a partial schematic diagram of the spraying position in the present invention.

[0021] Figure 5 It is an internal cross-sectional view of the assembly end of the longitudinally arranged driving diversion shaft and the spraying mechanism in the present invention. Specific Embodiments

[0022] Now the present invention will be further described in detail in conjunction with the drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.

[0023] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "connected" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0024] Figure 1 ,, Figure 2 ,, Figure 3 ,, Figure 4 and Figure 5A central axis driven flow guide mechanism for a cooling tower is shown, comprising an external bracket 1, an internal box body 2, a wind tube 3, a filler 4 and a water collecting tray 5, a bottom water pumping module 6 protruding downwardly is fixedly mounted at the center position of the lower surface of the water collecting tray 5, a bottom drive motor 8 is fixedly mounted on the lower surface of the bottom water pumping module 6 through a bottom frame 7, and a longitudinal drive flow guide shaft 9 penetrating the bottom water pumping module 6 is axially fixed on the upper end drive shaft of the bottom drive motor 8.

[0025] In order to facilitate assembly, the internal box body 2 is fixedly installed on the inner side of the external bracket 1, the air duct 3 is fixedly installed at the upper opening position of the internal box body 2, the filler 4 is fixedly installed inside the internal box body 2 through the bottom support frame 10, and the water collecting tray 5 is fixedly installed at the lower opening position of the internal box body 2. A bottom water inlet connected to the upper water inlet of the bottom pumping module 6 is opened at the center position of the lower surface of the water collecting tray 5.

[0026] A detachable metal filter is installed at the bottom water inlet to filter the circulating water.

[0027] In order to cooperate with the bottom liquid extraction, the bottom pumping module 6 includes a bottom guide cover 61 fixed at the lower end of the water collecting tray 5, a bottom adjustment plate 62 arranged on the inner bottom surface of the bottom guide cover 61, a centrifugal guide blade 63 fixed on the upper surface of the bottom adjustment plate 62, an external guide pipe 64 installed on the outer surface of the bottom guide cover 61 and an outer guide cover 65 fixed at the discharge port position at the lower end of the external guide pipe 64.

[0028] The return water is introduced into the bottom guide cover 61 through the bottom water inlet, and then the high-speed rotating centrifugal guide blades 63 are used to introduce the coolant into the hollow structure of the longitudinal drive guide shaft 9 through the external guide pipe 64 and the outer guide cover 65 for circulation guide drive.

[0029] In order to cooperate with the bottom installation and transmission, the bottom drive motor 8 is fixedly installed at the lower end of the bottom frame 7, and the drive shaft at the upper end of the bottom drive motor 8 is inserted into the lower end connecting hole of the longitudinal drive guide shaft 9 and coaxially fixed with the longitudinal drive guide shaft 9.

[0030] In order to cooperate with the outer flow guide, a lateral flow guide cover 11 that cooperates with the outer flow guide cover 65 is provided on the outer side of the longitudinal drive flow guide shaft 9. The outer flow guide cover 65 is connected to the interior of the longitudinal drive flow guide shaft 9 by being sleeved on the outside of the lateral flow guide cover 11.

[0031] In order to cooperate with the bottom speed regulation, a magnetic coupling transmission speed regulation mechanism 12 is arranged between the bottom air guide cover 61 , the bottom adjustment plate 62 and the side air guide cover 11 .

[0032] The magnetic coupling drive speed regulation mechanism 12 consists of magnetic conduction sheets fixed at the bottom of the bottom guide cover 61 in an annular array, speed regulation magnetic sheets fixed at the lower end of the bottom adjustment disc 62, and drive magnetic sheets fixed on the upper surface of the side guide cover 11; The bottom-mounted drive motor 8 drives the vertical drive guide shaft 9 at its upper end to rotate, and then the vertical drive guide shaft 9 controls the side guide cover 11 to rotate synchronously. At this time, the drive magnetic sheet transmits magnetism through the magnetic conduction sheet, thereby driving the speed regulation magnetic sheet to drive the bottom adjustment disc 62 to operate at high speed. Then, the bottom adjustment disc 62 controls the centrifugal guide blades 63 to operate at high speed, so as to centrifugally boost the return water introduced from the bottom water inlet, and introduce it into the side guide cover 11 through the outer guide cover 65 at the lower end of the external guide pipe 64, and then guide it to the hollow-structured vertical drive guide shaft 9 through the side guide cover 11. Because the rotation speed of the vertical drive guide shaft 9 is slow, the coolant inside the vertical drive guide shaft 9 will be squeezed upward for guiding, which is convenient for high-position spraying.

[0033] In order to cooperate with flipping and guiding, an upper-side flipping guide pipe 91, an adjusting support rod 92 for controlling the upper-side flipping guide pipe 91, and guide blades 93 fixed on the side wall of the upper-side flipping guide pipe 91 are movably assembled on the outer side surface of the vertical drive guide shaft 9 above the packing 4.

[0034] The adjusting support rod 92 controls the upper-side flipping guide pipe 91 to flip downward by stretching, so that the upper-side flipping guide pipe 91 is horizontally arranged with the upper end of the packing 4. Then, the bottom-mounted drive motor 8 drives the vertical drive guide shaft 9 to rotate, thereby driving the upper-side flipping guide pipe 91 and the guide blades 93 on its side wall to operate above the packing 4. The upper-side flipping guide pipe 91 is used to drive and spray the coolant downward, while the guide blades 93 are used to suck the bottom air upward through synchronous operation.

[0035] In order to improve the stability and fitting during storage, a lateral flipping storage groove 94 for storing the adjusting support rod 92 is formed on the outer side surface of the vertical drive guide shaft 9.

[0036] In order to cooperate with downward spraying, a lateral spray head 95 communicating with the side guide cover 11 is fixedly installed on the side wall of the upper-side flipping guide pipe 91.

[0037] In order to cooperate with flipping and connection, a bottom-side limit guide groove 96 is formed on the side wall of the vertical drive guide shaft 9.

[0038] Lateral drainage holes are provided inside the bottom-side limiting diversion groove 96. When the lateral drainage holes are in the open state, the high-pressure water inside the longitudinally arranged drive diversion shaft 9 will be ejected outward from the lateral drainage holes, and then impact on the inner wall or the upper surface of the packing 4 to form water mist for water-cooling and temperature reduction. After the upper-side flipping diversion pipe 91 flips downward, the connection end will be inserted into the bottom-side limiting diversion groove 96 and communicate with the lateral drainage holes. At this time, the high-pressure water inside the longitudinally arranged drive diversion shaft 9 will be introduced into the upper-side flipping diversion pipe 91 from the lateral drainage holes, and then directly sprayed downward from the lateral spray heads 95 on its side wall into the packing 4.

[0039] Inspired by the above ideal embodiments of the present invention, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A central axis driven flow guide mechanism for a cooling tower, comprising an external support (1), an internal box body (2), a wind tube (3), a filler (4) and a water collecting tray (5), wherein: A bottom-mounted pumping module (6) protruding downward is fixedly mounted at the center of the lower surface of the water collecting tray (5); a bottom-mounted driving motor (8) is fixedly mounted on the lower surface of the bottom-mounted pumping module (6) via a bottom-mounted frame (7); a longitudinal driving guide shaft (9) penetrating the bottom-mounted pumping module (6) is axially fixed to the upper drive shaft of the bottom-mounted driving motor (8).

2. The central axis driven flow guide mechanism for a cooling tower according to claim 1, characterized in that: The inner box body (2) is fixedly mounted on the inner side of the outer bracket (1); the air duct (3) is fixedly mounted on the upper opening of the inner box body (2); the filler (4) is fixedly mounted inside the inner box body (2) via a bottom support frame (10); the water collecting pan (5) is fixedly mounted on the lower opening of the inner box body (2); and a bottom water inlet connected to the upper water inlet of the bottom pumping module (6) is provided at the center of the lower surface of the water collecting pan (5).

3. The central axis driven flow guide mechanism for a cooling tower according to claim 1, characterized in that: The bottom-mounted pumping module (6) comprises a bottom flow guide cover (61) fixed to the lower end of the water collecting tray (5), a bottom adjustment plate (62) arranged on the inner bottom surface of the bottom flow guide cover (61), a centrifugal flow guide blade (63) fixed to the upper surface of the bottom adjustment plate (62), an external flow guide pipe (64) installed on the outer side surface of the bottom flow guide cover (61), and an external flow guide cover (65) fixed at the discharge port position at the lower end of the external flow guide pipe (64).

4. The central axis driven flow guide mechanism for a cooling tower according to claim 3 is characterized in that: The bottom drive motor (8) is fixedly mounted on the lower end of the bottom frame (7), and the drive shaft at the upper end of the bottom drive motor (8) is inserted into the connecting hole at the lower end of the longitudinal drive guide shaft (9) and is coaxially fixed to the longitudinal drive guide shaft (9).

5. The central axis driven flow guide mechanism for a cooling tower according to claim 3 is characterized in that: A lateral air guide cover (11) matching with the outer air guide cover (65) is provided on the outer side surface of the longitudinal drive air guide shaft (9); the outer air guide cover (65) is connected to the interior of the longitudinal drive air guide shaft (9) by being sleeved on the outer side of the lateral air guide cover (1).

6. The central axis driven flow guiding mechanism for a cooling tower according to claim 5 is characterized in that: A magnetic coupling transmission speed regulating mechanism (12) is provided between the bottom air guide cover (61), the bottom adjustment plate (62) and the side air guide cover (11).

7. The central axis driven flow guide mechanism for a cooling tower according to claim 4, characterized in that: The outer side surface of the longitudinal driving guide shaft (9) is located above the filler (4) and is movably equipped with an upper flip guide pipe (91), an adjustment support rod (92) for controlling the upper flip guide pipe (91), and a guide vane (93) fixed on the side wall of the upper flip guide pipe (91).

8. The central axis driven flow guiding mechanism for a cooling tower according to claim 7 is characterized in that: A lateral flip receiving groove (94) for receiving the adjustment support rod (92) is provided on the outer side surface of the longitudinal driving guide shaft (9).

9. The central axis driven flow guiding mechanism for a cooling tower according to claim 7, characterized in that: A lateral spray head (95) connected to the lateral flow guide cover (11) is fixedly mounted on the side wall of the upper flip flow guide pipe (91).

10. The central axis driven flow guiding mechanism for a cooling tower according to claim 7, characterized in that: A bottom-side limiting flow guide groove (96) is provided on the side wall of the longitudinal driving flow guide shaft (9).

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