Sand prevention structure of cooling tower

Abstract

The utility model relates to the technical field of cooling towers, and discloses a sand-proof structure of a cooling tower, which comprises a sand-proof shell, a support rod is welded at the bottom end of the sand-proof shell, and an inner gear ring is fixedly connected with the inner wall of the sand-proof shell; the device is characterized in that first connecting rods are welded to the left side and the right side of the inner gear ring, motors are fixedly connected to the bottoms of the first connecting rods, cranks are fixedly connected to the top ends of the motors, rotating rods are fixedly connected to the bottom ends of the cranks, and second connecting rods are welded to the top ends of the rotating rods. The motor is arranged to drive the crank to drive, so that the crank drives the rotating rod at the top end and the second connecting rod to conduct transmission, when the second connecting rod at the bottom end of the rotating gear conducts transmission, the rotating gear conducts circular motion on the inner wall of the inner gear ring, and when the rotating gear conducts circular motion, the rotating gear rotates. And a cleaning round brush at the top end of the rotating gear rotatably cleans dust on the surface of the cooling tower filter screen.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling towers, in particular to a sand-proof structure of a cooling tower. Background Art

[0002] During the operation of cooling towers, especially in arid or sandy areas, they often face the problem of sand and dust intrusion. Sand and dust not only affect the cooling efficiency, but also may cause damage to the internal structure of the cooling tower. Therefore, the anti-sand structure design of the cooling tower is particularly critical, which is directly related to the operating efficiency and maintenance cost of the cooling tower.

[0003] Comparative Publication No. 202122682869.7 A sand prevention device for a cooling tower comprises a bracket, the bracket is provided with an inner cylinder connected to the periphery of the bottom of the cooling tower and an outer cylinder arranged on the periphery of the inner cylinder, an annular top plate and an annular bottom plate are provided between the outer cylinder and the inner cylinder, the inner cylinder is provided with a plurality of air outlets adapted to the air inlet pipe at the bottom of the cooling tower, the outer cylinder is evenly provided with a plurality of air inlets, two side plates are provided between the air inlet and the air outlet, a plurality of inclined baffles are arranged in parallel up and down at the air inlet, an outer filter is inserted at the air inlet on the inner side of the inclined baffle, An exhaust fan is provided at the air outlet, an inner filter is provided at the air outlet and located outside the exhaust fan, a rotating nozzle is provided at the bottom of the annular top plate, an outer cylinder and an inner cylinder are provided to surround the bottom of the cooling tower, and a plurality of inclined baffles arranged up and down at the air inlet of the outer cylinder can block larger particles, and then preliminary filtration is performed through the outer filter, the outer filter is inserted on the annular top plate and the annular bottom plate, and slots adapted to the outer filter are provided on the annular top plate and the annular bottom plate to position the outer filter, and the outer filter can be quickly replaced or taken out for cleaning.

[0004] The anti-sand device of the cooling tower has an outer filter screen inserted on an annular top plate and an annular bottom plate. The annular top plate and the annular bottom plate are provided with slots adapted to the outer filter screen to position the outer filter screen. The outer filter screen can be quickly replaced or taken out for cleaning. However, after long-term use, excessive impurities and dust adhere to the surface of the filter screen, which affects the filtering effect of the filter screen, and it is inconvenient for the staff to clean the filter screen that has been used for a long time. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a sand-proof structure of a cooling tower.

[0006] The utility model is implemented by the following technical scheme: a sand-proof structure of a cooling tower, comprising a sand-proof outer shell, a support rod is welded to the bottom end of the sand-proof outer shell, and an inner gear ring is fixedly connected to the inner wall of the sand-proof outer shell;

[0007] A first connecting rod is welded to the left and right sides of the inner gear ring, a motor is fixedly connected to the bottom of the first connecting rod, a crank is fixedly connected to the top of the motor, a rotating rod is fixedly connected to the bottom end of the crank, a second connecting rod is welded to the top of the rotating rod, a rotating gear is rotatably connected to the surface of the second connecting rod, a mounting groove is provided on the top of the rotating gear, a cleaning round brush is inserted into the inside of the mounting groove, a sand discharge hole is provided on the top of the rotating gear, a limiting ring is welded to the top of the rotating gear, a connecting frame is welded to the inner wall of the cleaning round brush, and a mounting rod is fixedly connected to the bottom of the connecting frame.

[0008] As a further improvement of the above solution, a rotating gear is meshed on the inner wall of the inner gear ring, a cleaning round brush is inserted into the interior of the installation groove, and a mounting rod is inserted into the interior of the limiting ring.

[0009] Through the above technical solution, the number of the limiting rings is set to four, which can ensure the stability of the mounting rod and the connecting frame when they are connected and fixed.

[0010] As a further improvement of the above solution, the mounting rod and the limiting ring are symmetrically distributed with the rotating gear as the center, and the sand discharge holes are symmetrically distributed with the rotating gear as the center.

[0011] Through the above technical solution, the number of the sand discharge holes is set to four, so that the sand and dust cleaned off the surface of the cleaning circular brush can be discharged to the outside through the sand discharge holes.

[0012] As a further improvement of the above solution, the installation grooves are symmetrically distributed with the rotating gear as the center, a cleaning round brush is inserted into the interior of the rotating gear, and a mounting rod is arranged on the top of the rotating gear.

[0013] As a further improvement of the above solution, a connecting frame is fixedly connected to the inner wall of the cleaning circular brush, and the first connecting rods are symmetrically distributed with the sand-proof shell as the center.

[0014] As a further improvement of the above solution, the cranks are symmetrically distributed with the sand-proof shell as the center, the inner wall of the sand-proof shell is meshed with a rotating gear, and the support rods are symmetrically distributed with the sand-proof shell as the center.

[0015] Through the above technical solution, the number of cranks is set to two, which can cooperate with the drive of the motor to drive the crank and the rotating rod.

[0016] As a further improvement of the above solution, the rotating rod is arranged at the bottom of the sand-proof shell, and a rotating gear is arranged inside the sand-proof shell.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The utility model is driven by arranging a motor to drive the crank, so that the crank drives the rotating rod and the second connecting rod at the top to transmit the transmission. When the second connecting rod at the bottom end of the rotating gear transmits the transmission, the rotating gear makes a circular motion on the inner wall of the inner gear ring. When the rotating gear makes a circular motion, the cleaning circular brush at the top end of the rotating gear cleans the dust on the surface of the cooling tower filter screen by rotation and cleaning, so as to prevent the filter screen from being attached to too much dust and sand on the surface after long-term use and affecting the filtering effect of the filter screen.

[0019] The utility model discloses a cleaning brush is installed in the utility model through the connection frame of the inner wall of the cleaning round brush, and the connection frame cooperates with the installation rod at the bottom end to be installed to the inside of the limiting ring and the installation groove, so that the staff can conveniently repair and replace the cleaning round brush which has been used for a long time, and the service life of the cleaning round brush is prolonged. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the anatomical structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the disassembly structure of the sand-proof housing of the utility model;

[0023] Figure 4 This is a schematic diagram of the explosion structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the utility model when viewed from above.

[0025] Description of main symbols:

[0026] 1. Anti-sand shell; 2. Support rod; 3. Internal gear ring; 4. First connecting rod; 5. Motor; 6. Crank; 7. Rotating rod; 8. Second connecting rod; 9. Cleaning round brush; 10. Connecting frame; 11. Rotating gear; 12. Mounting groove; 13. Sand discharge hole; 14. Limiting ring; 15. Mounting rod. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example

[0028] Please combine Figure 1-5 A sand-proof structure of a cooling tower in this embodiment includes a sand-proof outer shell 1, a support rod 2 is welded to the bottom end of the sand-proof outer shell 1, and an inner gear ring 3 is fixedly connected to the inner wall of the sand-proof outer shell 1;

[0029] A first connecting rod 4 is welded to the left and right sides of the inner gear ring 3, a motor 5 is fixedly connected to the bottom of the first connecting rod 4, a crank 6 is fixedly connected to the top of the motor 5, a rotating rod 7 is fixedly connected to the bottom end of the crank 6, a second connecting rod 8 is welded to the top of the rotating rod 7, a rotating gear 11 is rotatably connected to the surface of the second connecting rod 8, a mounting groove 12 is provided at the top of the rotating gear 11, a cleaning round brush 9 is inserted into the mounting groove 12, a sand discharge hole 13 is provided at the top of the rotating gear 11, a limiting ring 14 is welded to the top of the rotating gear 11, and a connecting frame 10 is welded to the inner wall of the cleaning round brush 9 A mounting rod 15 is fixedly connected to the bottom of the connecting frame 10, and a motor 5 is provided to drive the crank 6, so that the crank 6 drives the rotating rod 7 and the second connecting rod 8 at the top to transmit. When the second connecting rod 8 at the bottom of the rotating gear 11 transmits, the rotating gear 11 makes a circular motion on the inner wall of the inner gear ring 3. When the rotating gear 11 makes a circular motion, the cleaning circular brush 9 at the top of the rotating gear 11 cleans the dust on the surface of the cooling tower filter screen by rotation and cleaning, so as to avoid excessive dust and sand adhering to the surface of the filter screen after long-term use, affecting the filtering effect of the filter screen.

[0030] The inner wall of the inner gear ring 3 is meshed with a rotating gear 11, the interior of the mounting groove 12 is plugged with a cleaning round brush 9, and the interior of the limiting ring 14 is plugged with a mounting rod 15. By arranging a connecting frame 10 on the inner wall of the cleaning round brush 9 and cooperating with the mounting rod 15 at the bottom to be installed to the interior of the limiting ring 14 and the mounting groove 12, it is convenient for the staff to repair and replace the cleaning round brush 9 that has been used for a long time, thereby improving the service life of the cleaning round brush 9.

[0031] The number of the limiting rings 14 is set to four, which can ensure the stability when the mounting rod 15 and the connecting frame 10 are connected and fixed.

[0032] The mounting rod 15 and the limiting ring 14 are symmetrically distributed with the rotating gear 11 as the center, and the sand discharge holes 13 are symmetrically distributed with the rotating gear 11 as the center.

[0033] The number of the sand discharge holes 13 is set to four, and the sand and dust cleaned off the surface of the cleaning round brush 9 can be discharged to the outside through the sand discharge holes.

[0034] The mounting grooves 12 are symmetrically distributed with the rotating gear 11 as the center. A cleaning round brush 9 is inserted into the rotating gear 11. A mounting rod 15 is provided on the top of the rotating gear 11. By providing a limiting ring 14 and the mounting grooves 12, the stability of the cleaning round brush 9 after installation can be ensured.

[0035] The inner wall of the cleaning round brush 9 is fixedly connected with a connecting frame 10 , and the first connecting rods 4 are symmetrically distributed with the sand-proof housing 1 as the center.

[0036] The cranks 6 are symmetrically distributed with the sand-proof shell 1 as the center, a rotating gear 11 is meshed on the inner wall of the sand-proof shell 1, and the support rods 2 are symmetrically distributed with the sand-proof shell 1 as the center.

[0037] The number of the cranks 6 is set to two, which can cooperate with the drive of the motor 5 to drive the cranks 6 and the rotating rod 7.

[0038] The rotating rod 7 is arranged at the bottom of the sand-proof housing 1 , and a rotating gear 11 is arranged inside the sand-proof housing 1 .

[0039] The implementation principle of a sand-proof structure of a cooling tower in the embodiment of the present application is as follows: the equipment is placed in a suitable position, and the crank 6 is driven by setting a motor 5 so that the crank 6 drives the rotating rod 7 and the second connecting rod 8 at the top to transmit. When the second connecting rod 8 at the bottom of the rotating gear 11 transmits, the rotating gear 11 makes a circular motion on the inner wall of the inner gear ring 3. When the rotating gear 11 makes a circular motion, the cleaning round brush 9 at the top of the rotating gear 11 cleans the dust on the surface of the cooling tower filter screen by rotation and cleaning, so as to avoid excessive dust and sand adhering to the surface of the filter screen after long-term use, affecting the filtering effect of the filter screen. By setting a connecting frame 10 on the inner wall of the cleaning round brush 9 and cooperating with the mounting rod 15 at the bottom to be installed inside the limiting ring 14 and the mounting groove 12, it is convenient for the staff to repair and replace the cleaning round brush 9 that has been used for a long time, thereby improving the service life of the cleaning round brush 9. By setting the limiting ring 14 and the mounting groove 12, the stability of the cleaning round brush 9 after installation can be ensured.

[0040] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A sand-proof structure for a cooling tower, comprising a sand-proof outer shell (1), a support rod (2) being welded to the bottom end of the sand-proof outer shell (1), and an inner gear ring (3) being fixedly connected to the inner wall of the sand-proof outer shell (1); It is characterized in that A first connecting rod (4) is welded to the left and right sides of the inner gear ring (3); a motor (5) is fixedly connected to the bottom of the first connecting rod (4); a crank (6) is fixedly connected to the top of the motor (5); a rotating rod (7) is fixedly connected to the bottom of the crank (6); a second connecting rod (8) is welded to the top of the rotating rod (7); a rotating gear (11) is rotatably connected to the surface of the second connecting rod (8); a mounting groove (12) is provided at the top of the rotating gear (11); a cleaning round brush (9) is inserted into the inside of the mounting groove (12); a sand discharge hole (13) is provided at the top of the rotating gear (11); a limiting ring (14) is welded to the top of the rotating gear (11); a connecting frame (10) is welded to the inner wall of the cleaning round brush (9); and a mounting rod (15) is fixedly connected to the bottom of the connecting frame (10).

2. The anti-sand structure of a cooling tower according to claim 1, characterized in that: A rotating gear (11) is meshed on the inner wall of the inner gear ring (3), a cleaning round brush (9) is inserted into the interior of the installation groove (12), and a mounting rod (15) is inserted into the interior of the limiting ring (14).

3. The anti-sand structure of a cooling tower according to claim 1, characterized in that: The mounting rod (15) and the limiting ring (14) are symmetrically distributed with the rotating gear (11) as the center, and the sand discharge holes (13) are symmetrically distributed with the rotating gear (11) as the center.

4. The anti-sand structure of a cooling tower according to claim 3, characterized in that: The mounting grooves (12) are symmetrically distributed with the rotating gear (11) as the center; a cleaning round brush (9) is inserted into the interior of the rotating gear (11); and a mounting rod (15) is provided on the top of the rotating gear (11).

5. The anti-sand structure of a cooling tower according to claim 1, characterized in that: The inner wall of the cleaning circular brush (9) is fixedly connected to a connecting frame (10), and the first connecting rods (4) are symmetrically distributed with the sand-proof outer shell (1) as the center.

6. The anti-sand structure of a cooling tower according to claim 5, characterized in that: The cranks (6) are symmetrically distributed with the sand-proof shell (1) as the center; a rotating gear (11) is meshed on the inner wall of the sand-proof shell (1); and the support rods (2) are symmetrically distributed with the sand-proof shell (1) as the center.

7. A cooling tower sand prevention structure as claimed in claim 6, characterized in that: The rotating rod (7) is arranged at the bottom of the sand-proof shell (1), and a rotating gear (11) is arranged inside the sand-proof shell (1).

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