Anti-freezing closed cooling tower
By introducing components such as heaters and baffles into the closed cooling tower, the problem of cooling tower freezing in low-temperature weather was solved, and the continuous flow of cooling water and normal operation of the equipment were achieved.
Patent Information
- Application Number
- CN202423038302.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing closed-loop cooling towers are susceptible to the effects of low temperatures, which can cause the water inside and outside the heat exchange pipes to freeze, resulting in pipe damage and affecting normal operation.
An antifreeze closed-loop cooling tower was designed, which includes components such as heater, baffle, water pump, fan and louvers. The heater prevents the cooling water from freezing, the baffle prevents cold air from entering, and the louvers are sealed to ensure continuous flow of cooling water.
It effectively prevents ice formation inside the cooling tower, ensures continuous flow of cooling water, avoids pipe damage, and ensures normal equipment operation.
Smart Images
Figure CN223636667U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the cooling tower technical field especially relates to a kind of freeze-proof closed cooling tower. BACKGROUND
[0002] In metallurgy, aviation, electric power, chemical industry, machinery and other industries, because the operation process of industrial equipment is often accompanied by heating, so generally cooling liquid is used to heat exchange and cooling of equipment, the temperature of cooling liquid is increased after heat exchange, and needs to be cooled by closed cooling tower, so that cooling liquid enters industrial equipment again at low temperature, to ensure the normal operation and service life of equipment, closed cooling tower usually includes tower body, heat exchange pipeline, spraying mechanism and ventilation mechanism, cooling liquid enters heat exchange pipeline, and spraying mechanism and ventilation mechanism take away the heat of heat exchange pipeline through flowing air and spraying water, so as to cool cooling liquid.
[0003] However, the existing closed cooling tower is generally set outdoors, so it is easily affected by external environmental temperature, especially in low temperature weather, the water attached to the inside and outside of the heat exchange pipeline may freeze and ice, and the heat exchange pipeline is damaged by extrusion, affecting the normal operation of the closed cooling tower. UTILITY MODEL CONTENTS
[0004] The utility model discloses to the closed cooling tower of prior art generally set in outdoor, so it is easily affected by external environmental temperature, especially in low temperature weather, the water attached to the inside and outside of the heat exchange pipeline may freeze and ice, and the heat exchange pipeline is damaged by extrusion, affecting the normal operation of the closed cooling tower, and the following technical scheme is proposed:
[0005] A freeze-proof closed cooling tower, comprising a cooling tower main body, a fan is fixedly installed at the top end of the cooling tower main body, a water tank is fixedly connected to one end of the cooling tower main body, a communication pipe is fixedly connected to the bottom end of the water tank, a heater is sleeved on the outer surface of the communication pipe, a water pump is fixedly installed on the inner side of the heater, the communication pipe penetrates through one end of the cooling tower main body and is fixedly connected to a water collecting tank, louver blinds are fixedly installed on the outer surface of the cooling tower main body at the top end of the water collecting tank, a baffle is movably connected to the outer side of the louver blinds inside the cooling tower main body, a threaded sleeve is fixedly connected to one end of the baffle, a threaded rod is screw-connected to the inner surface of the threaded sleeve, a first rotary shaft is rotatably connected to the top end of the threaded rod, the first rotary shaft is rotatably connected to the inside of the cooling tower main body at the top end, a motor is fixedly connected to the bottom end of the threaded rod, and the motor is fixedly connected to the inside of the cooling tower main body at the bottom end.
[0006] Preferably, both sides of the water collecting tank are fixedly connected with sliding blocks, the sliding blocks are movably connected in the cooling tower body, one end of the sliding block abuts against a fixed plate, one side of the fixed plate is fixedly connected with a spring, both ends of the fixed plate are threadedly connected with bolts, one end of the bolt is threadedly connected in the cooling tower body.
[0007] Preferably, one end of the water collecting tank is fixedly connected with a second rotating shaft, one end of the second rotating shaft is rotatably connected with a positioning plate, one end of the positioning plate abuts against a limiting block, one end of the limiting block is fixedly connected to the outer surface of the cooling tower body.
[0008] Preferably, the bottom end of the louver is bonded with a rubber pad.
[0009] Preferably, one end of the water collecting tank is fixedly connected with a handle above the second rotating shaft.
[0010] Preferably, one end of the limiting block is provided with a limiting groove, and the width of the positioning plate is the same as the width of the limiting groove.
[0011] The utility model discloses the beneficial effects are:
[0012] (1) can effectively prevent cold air from entering the cooling tower inside, prevent the freezing of the cooling tower inside and affect normal use, can also avoid the freezing of cooling water in the communicating pipe, and ensure the continuous flow of cooling water.
[0013] (2) can completely clean the impurities attached to the bottom of the water collecting tank, prevent the suction inlet of the water pump from being blocked due to the accumulation of impurities at the bottom of the water tank, and thus affect the normal work of the water pump. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The structure of the anti-freezing closed cooling tower is shown.
[0015] Figure 2 The installation structure of the water collecting tank is shown.
[0016] Figure 3 The installation structure of the baffle is shown.
[0017] Figure 4 The installation structure of the fixed plate is shown.
[0018] In the figure: 1, cooling tower body; 2, fan; 3, water tank; 4, communicating pipe; 5, heater; 6, water pump; 7, water collecting tank; 8, louver; 9, baffle; 10, threaded sleeve; 11, threaded rod; 12, first rotating shaft; 13, motor; 14, sliding block; 15, fixed plate; 16, spring; 17, second rotating shaft; 18, positioning plate; 19, limiting block; 20, bolt. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the utility model technical scheme will be clearly and completely described below in combination with embodiments.
[0020] Embodiment 1
[0021] The utility model provides a kind of anti-freezing closed cooling tower, as shown in Figures 1 to 4 Including cooling tower main body 1, cooling tower main body 1 top end fixed installation has fan 2, cooling tower main body 1 one end is fixedly connected with water tank 3, water tank 3 bottom end is fixedly connected with communicating pipe 4, communicating pipe 4 outer surface is sleeved with heater 5, communicating pipe 4 outer surface is fixedly installed with water pump 6 at heater 5 inner side position, communicating pipe 4 penetrates cooling tower main body 1 one end and is fixedly connected with water collecting tank 7, the outer surface of cooling tower main body 1 four sides is fixedly installed with louvre 8 at water collecting tank 7 top end position, the outer side of louvre 8 is movably connected with baffle 9 in cooling tower main body 1, baffle 9 one end is fixedly connected with threaded sleeve 10, threaded sleeve 10 inner surface is threadedly connected with threaded rod 11, and the top end of threaded rod 11 is rotatably connected with first rotary shaft 12, and first rotary shaft 12 top end is rotatably connected in cooling tower main body 1, and the bottom end of threaded rod 11 is fixedly connected with motor 13, and motor 13 bottom end is fixedly connected in cooling tower main body 1.
[0022] As shown in Figure 1 And Figure 3 Water collecting tank 7 both sides are fixedly connected with sliding block 14, and sliding block 14 is movably connected in cooling tower main body 1, and the one end of sliding block 14 is abutted with fixed plate 15, and one side of fixed plate 15 is fixedly connected with spring 16, and the one end of spring 16 is attached to sliding block 14, and spring 16 can be compressed under the action of spring force Sliding block 14, both ends of fixed plate 15 are threadedly connected with bolt 20, one end of bolt 20 is threadedly connected in cooling tower main body 1, and fixed plate 15 is attached to the outer surface of cooling tower main body 1 by bolt 20, and fixed plate 15 can be fixed by bolt 20, and fixed plate 15 extrudes water collecting tank 7 to form a fixed.
[0023] As shown in Figure 1 And Figure 4 Water collecting tank 7 one end is fixedly connected with second rotary shaft 17, and the one end of second rotary shaft 17 is rotatably connected with positioning plate 18, and the one end of positioning plate 18 is abutted with limit block 19, and the one end of limit block 19 is fixedly connected to the outer surface of cooling tower main body 1, and second rotary shaft 17 can drive positioning plate 18 to rotate, to ensure that positioning plate 18 can work normally.
[0024] As shown in Figure 1 And Figure 3 Rubber pad is bonded at the bottom end of louvre 8, and the elasticity and softness of rubber pad can be closely attached to the surface of cooling tower main body 1, to form effective sealing.
[0025] As shown in Figure 1 and Figure 4 , one end of the water collecting tank 7 is fixedly connected with a handle at a position above the second rotating shaft 17, the handle provides a convenient holding point, so that the user can more easily operate the water collecting tank 7, and the convenience of operation is improved.
[0026] As shown in Figure 1 and Figure 4 , the limiting block 19 is provided with a limiting groove at one end, and the width of the limiting groove is the same as the width of the positioning plate 18, so that the positioning plate 18 is prevented from shaking or shifting, and the connection stability between the positioning plate 18 and the limiting block 19 is enhanced.
[0027] Working principle: during actual use, first, cooling water enters the cooling tower from the water tank 3, the upper fan 2 is started, the fan 2 can form an airflow to preliminarily heat the cooling water, then the cooling water in the cooling tower is sprayed, the cooling water is subjected to secondary heat dissipation through the condenser, and then falls into the lower water collecting tank 7, then the water pump 6 draws the cooling water into the water tank 3, and then the above principle is repeated, and the cooling water is continuously heat dissipated, when the water collecting tank 7 needs to be cleaned, the positioning plate 18 is rotated, so that the positioning plate 18 is no longer clamped in the limiting block 19, then the bolt 20 is loosened and removed, and then the fixing plate 15 is removed, at this time, the handle can be used to remove the water collecting tank 7, and the impurities attached to the bottom of the water collecting tank 7 can be completely cleaned, so that the suction inlet of the water pump 6 is prevented from being blocked due to the accumulation of impurities at the bottom of the water tank, thereby affecting the normal work of the water pump 6;
[0028] When it is low-temperature weather, the motor 13 is started, the motor 13 drives the threaded rod 11 to rotate, the threaded rod 11 rotates to lower the threaded sleeve 10, the threaded sleeve 10 lowers to drive the baffle 9 to synchronously lower, when the rubber pad at the bottom of the baffle 9 contacts the surface of the cooling tower main body 1, the motor is stopped, and the baffle 9 stops lowering, the rubber pad is extruded by the baffle 9 and forms a seal with the surface of the cooling tower main body 1, the baffle 9 can effectively prevent cold air from entering the cooling tower through the louver 8 and causing internal icing and affecting the normal use of the cooling tower, at this time, the heater 5 is started, the heater 5 can heat the cooling water drawn out by the water pump 6, so as to prevent the cooling water from icing in the connecting pipe 4, ensure the continuous flow of the cooling water in the connecting pipe 4, effectively prevent cold air from entering the cooling tower, prevent the cooling tower from icing and affecting the normal use, and also avoid the cooling water from icing in the connecting pipe 4 and ensure the continuous flow of the cooling water.
[0029] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them.
Claims
1. A freeze protection closed cooling tower characterized by, The utility model relates to a cooling tower, including cooling tower body (1), fan (2) is fixedly installed to the top end of cooling tower body (1), water tank (3) is fixedly connected to one end of cooling tower body (1), the bottom of water tank (3) is fixedly connected with the communicating pipe (4), the heater (5) of communicating pipe (4) outer surface sleeve has, the water pump (6) of communicating pipe (4) outer surface is fixedly installed in the heater (5) inside position, the water collecting tank (7) is fixedly connected to one end of cooling tower body (1) that communicating pipe (4) penetrates, the louver (8) is fixedly installed to the external surface four sides of cooling tower body (1) and is located the top end position of water collecting tank (7), the baffle (9) of movable connection is located the external side position of louver (8) in cooling tower body (1) inside, the threaded sleeve (10) is fixedly connected to one end of baffle (9), the threaded rod (11) of threaded sleeve (10) inner surface screw connection has, the first rotary shaft (12) of threaded rod (11) top end rotation is connected, the first rotary shaft (12) top end rotation is connected in cooling tower body (1) inside, the motor (13) is fixedly connected to the bottom of threaded rod (11), and the motor (13) bottom is fixedly connected in cooling tower body (1) inside.
2. The freeze protection closed circuit cooling tower of claim 1, wherein: The water collecting tank (7) both sides are fixedly connected with the sliding block (14), the sliding block (14) movable connection is in cooling tower body (1) inside, the fixed plate (15) is abutted to one end of sliding block (14), the spring (16) is fixedly connected to one side of fixed plate (15), the bolt (20) is screw connected to both ends of fixed plate (15), and one end of bolt (20) is screw connected in cooling tower body (1) inside.
3. The freeze protection closed circuit cooling tower according to claim 1, wherein: The water collecting tank (7) one end is fixedly connected with the second rotary shaft (17), the second rotary shaft (17) one end rotation is connected with the positioning plate (18), the positioning plate (18) one end abuts with the limiting block (19), and the limiting block (19) one end is fixedly connected to the external surface of cooling tower body (1).
4. The freeze protection closed circuit cooling tower according to claim 1, wherein: The louver (8) bottom is bonded with rubber pad.
5. The freeze protection closed circuit cooling tower according to claim 1, wherein: The water collecting tank (7) one end is fixedly connected with the handle above the second rotary shaft (17).
6. The freeze protection closed circuit cooling tower according to claim 3, wherein: The limiting groove is set up in one end of limiting block (19), and the width of positioning plate (18) is same with the width of limiting groove.