Circulating cooling mixed flow closed cooling tower convenient to maintain

Abstract

The utility model relates to the technical field of mixed flow closed cooling towers, and discloses a circulating cooling mixed flow closed cooling tower convenient to maintain, which comprises a cooling tower shell, air inlets are arranged at the front end and the rear end of the cooling tower shell, and a water collecting frame is fixedly connected to the bottom of the inner wall of the cooling tower shell. By arranging the lifting assembly, specifically, when the negative pressure fan needs to be overhauled and maintained, a second motor is started firstly, the second motor drives a lead screw to rotate, a mounting base moves upwards, the negative pressure fan moves upwards to be separated from a groove, then a first motor is started, the first motor drives a fixing disc to rotate, and the negative pressure fan moves upwards to be separated from the groove; and a second motor is started again, the second motor drives a lead screw to rotate, so that a mounting seat moves downwards, the negative pressure fan moves downwards, the negative pressure fan is convenient to overhaul and maintain subsequently, and the convenience and safety of maintenance are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mixed flow closed cooling tower, especially to a circulating cooling mixed flow closed cooling tower convenient to maintain. BACKGROUND

[0002] The mixed flow closed cooling tower is a kind of high-efficiency, environmentally-friendly cooling equipment, and is widely used in industrial field.It combines the advantages of cross-flow and counter-flow cooling towers, and has higher cooling efficiency and lower energy consumption.

[0003] At present, the top of the mixed flow closed cooling tower is provided with a negative pressure fan for discharging hot air inside the cooling tower, but the negative pressure fan is in contact with the hot air discharged from the cooling tower for a long time, which causes the negative pressure fan to be prone to failure.Because the negative pressure fan is located at the top of the cooling tower, maintenance personnel need to climb to the top of the cooling tower to check and repair the negative pressure fan, which increases the difficulty of maintenance and poses certain safety hazards during the climbing process. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a circulating cooling mixed flow closed cooling tower convenient to maintain.

[0005] The utility model adopts the following technical scheme: a circulating cooling mixed flow closed cooling tower convenient to maintain, including cooling tower shell, the front and rear ends of cooling tower shell are provided with air inlet, the inner wall bottom of cooling tower shell is fixedly connected with water collecting frame, the inner wall of cooling tower shell is installed with heat dissipation coil pipe, the top of cooling tower shell is provided with recess, the left end of cooling tower shell is provided with lifting assembly, the right end of cooling tower shell is fixedly connected with fixed plate, the top of fixed plate is fixedly connected with water pump, the bottom of water pump is connected with water suction pipe, the top of water pump is connected with delivery pipe, the end of delivery pipe away from water pump is connected with spray pipe.

[0006] Through the above technical scheme, the two ends of the heat dissipation coil pipe are installed into the water inlet pipe and the water outlet pipe, the high-temperature liquid enters the inside of the heat dissipation coil pipe through the water inlet pipe, then the water pump is started, the cooling water in the water collecting frame is pumped out through the water suction pipe, and is delivered to the inside of the spray pipe through the delivery pipe, the cooling water is uniformly sprayed on the surface of the heat dissipation coil pipe for cooling through the spray pipe, the negative pressure fan is started, the mounting plate discharges the hot air in the cooling tower shell outward, and at the same time, the external air enters the inside of the cooling tower shell through the air inlet, so as to enhance the air flow and improve the heat dissipation efficiency.

[0007] As a further improvement of the above scheme, the lifting assembly comprises a mounting plate, the inner wall of the mounting plate is rotationally connected with a fixed disc, the bottom of the mounting plate is fixedly connected with a first motor, the top of the fixed disc is fixedly connected with a mounting bracket, the left side of the mounting bracket is provided with a limiting groove, the inner wall of the mounting bracket is rotationally connected with a lead screw, the top of the mounting bracket is fixedly connected with a second motor, the surface of the lead screw is threadedly connected with a mounting seat, the right end of the mounting seat is fixedly connected with an extension plate, and the end, away from the mounting seat, of the extension plate is fixedly connected with a negative pressure fan.

[0008] Through the above technical scheme, when the negative pressure fan needs to be overhauled and maintained, the second motor is first started, the second motor drives the lead screw to rotate, the mounting seat moves upward, the negative pressure fan moves upward and separates from the groove, then the first motor is started, the first motor drives the fixed disc to rotate, drives the mounting bracket to rotate, and the negative pressure fan is rotated to the left side of the cooling tower shell, the second motor is started again, the second motor drives the lead screw to rotate, the mounting seat moves downward, and the negative pressure fan moves downward, so that the negative pressure fan is convenient to overhaul and maintain subsequently, and the convenience and safety of maintenance are improved.

[0009] As a further improvement of the above scheme, the right end of the mounting plate is fixedly connected with the left end of the cooling tower shell, and the output end of the first motor is fixedly connected with the bottom of the fixed disc.

[0010] As a further improvement of the above scheme, the bottom of the lead screw is rotationally connected with the inner wall of the fixed disc, and the left end of the mounting seat is slidingly connected with the inner wall of the limiting groove.

[0011] Through the above technical scheme, the mounting seat is limited by the limiting groove and moves linearly along the inner wall of the limiting groove, thereby improving the stability during use.

[0012] As a further improvement of the above scheme, the output end of the second motor is fixedly connected with the top of the lead screw, and the bottom of the negative pressure fan is in contact with the inner wall of the groove.

[0013] Through the above technical scheme, when the negative pressure fan is in contact with the groove, the negative pressure fan is reset, and subsequent use is facilitated.

[0014] As a further improvement of the above scheme, the end, away from the water pump, of the water pumping pipe extends to the inside of the water collecting frame, and the spraying pipe is located at the upper end of the heat dissipation coil pipe.

[0015] Through the above technical scheme, the sprayed cooling water enters the inside of the water collecting frame, and subsequent recycling of the cooling water is facilitated.

[0016] As a further improvement of the above scheme, the left and right ends of the heat dissipation coil pipe extend to the outside of the cooling tower shell.

[0017] By the technical scheme, the two ends of the heat dissipation coil pipe extend to the outside of the cooling tower shell, facilitating connection with the water inlet pipe and the water outlet pipe outside.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses a lifting assembly is set up, specifically when needing to overhaul and maintain the negative pressure fan, first starting second motor, and second motor drives the screw rod to rotate, makes the mounting seat move upwards, makes the negative pressure fan move upwards and separates the recess, then starts the first motor, and the first motor drives the fixed disc to rotate, drives the mounting frame to rotate, makes the negative pressure fan rotate to the left side of cooling tower shell, starts second motor again, and second motor drives the screw rod to rotate, makes the mounting seat move down, thereby making the negative pressure fan move down, is convenient for subsequent overhaul and maintenance to the negative pressure fan, and the convenience and safety of maintenance are improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0021] Figure 2 It is sectional structure schematic diagram of the utility model;

[0022] Figure 3 It is the utility model Figure 2 Amplification structure schematic diagram of A department;

[0023] Figure 4 It is lifting assembly structure schematic diagram of the utility model;

[0024] Figure 5 It is cooling tower shell sectional structure schematic diagram of the utility model.

[0025] Main symbol explanation:

[0026] 1, cooling tower shell;2, air inlet;3, water collecting frame;4, heat dissipation coil pipe;5, recess;6, lifting assembly;601, mounting plate;602, fixed disc;603, first motor;604, mounting frame;605, limit slot;606, screw rod;607, second motor;608, mounting seat;609, extension plate;610, negative pressure fan;7, fixed plate;8, water pump;9, water suction pipe;10, delivery pipe;11, spray pipe. DETAILED DESCRIPTION

[0027] Below, combining the drawings and specific implementation, the utility model is further described, need to explain that, under the premise of not conflicting, the following description of each embodiment or each technical feature between can be arbitrarily combined to form new embodiment.

[0028] Embodiment:

[0029] Please combine Figures 1-5 The embodiment of the application discloses a circulating cooling mixed-flow closed cooling tower convenient to maintain, which comprises a cooling tower shell 1, an air inlet 2 is arranged at the front and rear ends of the cooling tower shell 1, a water collecting frame 3 is fixedly connected to the inner wall bottom of the cooling tower shell 1, a heat dissipation coil pipe 4 is installed on the inner wall of the cooling tower shell 1, a groove 5 is arranged at the top of the cooling tower shell 1, a lifting assembly 6 is arranged at the left end of the cooling tower shell 1, a fixed plate 7 is fixedly connected to the right end of the cooling tower shell 1, a water pump 8 is fixedly connected to the top of the fixed plate 7, a water pumping pipe 9 is communicated with the bottom of the water pump 8, a conveying pipe 10 is communicated with the top of the water pump 8, a spraying pipe 11 is communicated with the end, away from the water pump 8, of the conveying pipe 10, the two ends of the heat dissipation coil pipe 4 are installed into a water inlet pipe and a water outlet pipe, high-temperature liquid is made to enter the inside of the heat dissipation coil pipe 4 through the water inlet pipe, then the water pump 8 is started, the cooling water in the water collecting frame 3 is pumped out by the water pump 8, is conveyed to the inside of the spraying pipe 11 through the conveying pipe 10, and the cooling water is uniformly sprayed on the surface of the heat dissipation coil pipe 4 through the spraying pipe 11 to perform cooling, and a negative pressure fan 610 is started, the hot air in the inside of the cooling tower shell 1 is discharged outward by the mounting plate 601, and at the same time, external air enters the inside of the cooling tower shell 1 through the air inlet 2, so that the air flow is enhanced and the heat dissipation efficiency is improved.

[0030] The lifting assembly 6 comprises a mounting plate 601, a fixed disc 602 is rotatably connected to the inner wall of the mounting plate 601, a first motor 603 is fixedly connected to the bottom of the mounting plate 601, a mounting bracket 604 is fixedly connected to the top of the fixed disc 602, a limiting groove 605 is arranged at the left side of the mounting bracket 604, a lead screw 606 is rotatably connected to the inner wall of the mounting bracket 604, a second motor 607 is fixedly connected to the top of the mounting bracket 604, a mounting seat 608 is screw-connected to the surface of the lead screw 606, an extension plate 609 is fixedly connected to the right end of the mounting seat 608, and a negative pressure fan 610 is fixedly connected to the end, away from the mounting seat 608, of the extension plate 609, when maintenance of the negative pressure fan 610 is needed, the second motor 607 is first started, the second motor 607 drives the lead screw 606 to rotate, the mounting seat 608 is moved upward, and the negative pressure fan 610 is moved upward and separated from the groove 5, then the first motor 603 is started, the first motor 603 drives the fixed disc 602 to rotate, drives the mounting bracket 604 to rotate, and drives the negative pressure fan 610 to rotate to the left side of the cooling tower shell 1, the second motor 607 is started again, the second motor 607 drives the lead screw 606 to rotate, the mounting seat 608 is moved downward, and the negative pressure fan 610 is moved downward, so that the subsequent maintenance of the negative pressure fan 610 is facilitated, and the convenience and safety of the maintenance are improved.

[0031] The right end of the mounting plate 601 is fixedly connected with the left end of the cooling tower shell 1, and the output end of the first motor 603 is fixedly connected with the bottom of the fixed disc 602.

[0032] The bottom of the lead screw 606 is rotationally connected with the inner wall of the fixed disc 602, and the left end of the mounting seat 608 is slidingly connected with the inner wall of the limiting groove 605.

[0033] The output end of the second motor 607 is fixedly connected with the top of the lead screw 606, and the bottom of the negative pressure fan 610 is in contact with the inner wall of the groove 5.

[0034] The end of the water suction pipe 9 away from the water pump 8 extends to the inside of the water collecting frame 3, and the spraying pipe 11 is located at the upper end of the heat dissipation coil pipe 4.

[0035] The left and right ends of the heat dissipation coil pipe 4 both extend to the outside of the cooling tower shell 1.

[0036] The implementation principle of the circulating cooling mixed-flow closed cooling tower convenient to maintain in the embodiment of the application is as follows: when used, the two ends of the heat dissipation coil pipe 4 are installed into the water inlet pipe and the water outlet pipe, the high-temperature liquid is made to enter the inside of the heat dissipation coil pipe 4 through the water inlet pipe, then the water pump 8 is started, the cooling water in the water collecting frame 3 is sucked by the water pump 8 through the water suction pipe 9, is transported to the inside of the spraying pipe 11 through the conveying pipe 10, and is uniformly sprayed on the surface of the heat dissipation coil pipe 4 through the spraying pipe 11 to perform cooling, the negative pressure fan 610 is started, the mounting plate 601 discharges the hot air in the cooling tower shell 1 to the outside, and at the same time, the external air enters the inside of the cooling tower shell 1 through the air inlet 2, so that the air flow is enhanced and the heat dissipation efficiency is improved, when the negative pressure fan 610 needs to be overhauled and maintained, first, the second motor 607 is started, the second motor 607 drives the lead screw 606 to rotate, the mounting seat 608 is moved upward, the negative pressure fan 610 is moved upward and separated from the groove 5, then the first motor 603 is started, the first motor 603 drives the fixed disc 602 to rotate, drives the mounting bracket 604 to rotate, the negative pressure fan 610 is rotated to the left side of the cooling tower shell 1, the second motor 607 is started again, the second motor 607 drives the lead screw 606 to rotate, the mounting seat 608 is moved downward, so that the negative pressure fan 610 is moved downward, so that the subsequent overhauling and maintenance of the negative pressure fan 610 are facilitated, and the convenience and safety of the maintenance are improved.

[0037] The above-mentioned embodiment is only a preferred embodiment of the present application, and cannot be used to limit the range of protection of the present application, and any non-substantial change and replacement made by the person skilled in the art on the basis of the present application belongs to the range of protection required by the present application.

Claims

1. A closed circuit cooling tower of hybrid type with recirculation for easy maintenance, characterized in that, The utility model relates to a cooling tower, including cooling tower shell (1), the front and rear ends of cooling tower shell (1) are equipped with air inlet (2), the inner wall bottom of cooling tower shell (1) is fixedly connected with water collecting frame (3), the inner wall of cooling tower shell (1) is installed with heat dissipation coil pipe (4), the top of cooling tower shell (1) is equipped with recess (5), the left end of cooling tower shell (1) is provided with lifting assembly (6), the right end of cooling tower shell (1) is fixedly connected with fixed plate (7), the top of fixed plate (7) is fixedly connected with water pump (8), the bottom of water pump (8) is connected with pumping pipe (9), the top of water pump (8) is connected with delivery pipe (10), the one end of delivery pipe (10) away from water pump (8) is connected with spray pipe (11).

2. A closed circuit cooling tower of the hybrid type with reduced maintenance according to claim 1, characterized in that: The lifting assembly (6) includes a mounting plate (601), the inner wall of the mounting plate (601) is rotatably connected with a fixed disc (602), the bottom of the mounting plate (601) is fixedly connected with a first motor (603), the top of the fixed disc (602) is fixedly connected with a mounting bracket (604), the left side of the mounting bracket (604) is provided with a limiting groove (605), the inner wall of the mounting bracket (604) is rotatably connected with a lead screw (606), the top of the mounting bracket (604) is fixedly connected with a second motor (607), the surface of the lead screw (606) is threadedly connected with a mounting seat (608), the right end of the mounting seat (608) is fixedly connected with an extension plate (609), the one end of the extension plate (609) away from the mounting seat (608) is fixedly connected with a negative pressure fan (610).

3. A closed circuit cooling tower of the type described in claim 2 wherein: The right end of the mounting plate (601) is fixedly connected with the left end of the cooling tower shell (1), and the output end of the first motor (603) is fixedly connected with the bottom of the fixed disc (602).

4. A closed circuit cooling tower of the type described in claim 2, wherein: The bottom of the lead screw (606) is rotatably connected with the inner wall of the fixed disc (602), and the left end of the mounting seat (608) is slidably connected with the inner wall of the limiting groove (605).

5. A closed circuit cooling tower of the type described in claim 2, wherein: The output end of the second motor (607) is fixedly connected with the top of the lead screw (606), and the bottom of the negative pressure fan (610) is in contact with the inner wall of the recess (5).

6. A closed circuit cooling tower of the hybrid type with reduced maintenance, according to claim 1, characterized in that: The one end of the pumping pipe (9) away from the water pump (8) extends to the inside of the water collecting frame (3), and the spray pipe (11) is located at the upper end of the heat dissipation coil pipe (4).

7. A closed circuit cooling tower of the hybrid type with reduced maintenance, according to claim 1, characterized in that: The left and right ends of the heat dissipation coil pipe (4) extend to the outside of the cooling tower shell (1).

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