Water-saving cooling tower

Abstract

The utility model provides a water-saving cooling tower and belongs to the technical field of cooling towers. The water-saving cooling tower comprises a cooling tower assembly, a fog return assembly, a condensation pipe assembly and a reciprocating drainage assembly. The mist return assembly pumps mist at the top end of the cooling tower assembly into the condensation pipe assembly, heat exchange is conducted between the condensation pipe assembly and condensate water, most of the mist is condensed into water drops through heat exchange, the rest of the mist is discharged along with the condensation pipe assembly, and one part of the mist is discharged and directly blown to the condensate water to be condensed; due to the fact that the mist content is low, the condensation pipe assembly does not need to stretch into the water to be too deep, the condensation can be completed through a single air exhaust element in the mist return assembly, and external force needed by mist conveying is reduced. Mist flows through the condensation pipe assembly to be condensed for the first time and then is discharged through the condensation pipe assembly to be condensed for the second time, and the condensation effect is effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of cooling towers, in particular to a water-saving cooling tower. Background Art

[0002] Cooling towers mainly dissipate heat through the evaporation of water, so cooling towers will produce a large amount of evaporation loss of water, which accounts for 1% to 1.5% of the circulating water volume. Water-saving cooling towers collect the mist exchanged out of the tower body and then condense it to achieve water recycling.

[0003] In the related art, the water-saving cooling tower uses an exhaust fan to draw the mist back into the condensate water at the bottom of the cooling tower, and cools the mist by contacting the condensate water. However, this method has a poor condensation effect, and the mist needs to be sent into the condensate water. Since the mist condenses in direct contact with the condensate water, the depth of the mist sent into the condensate water is deeper, thereby increasing the contact time. Therefore, the pressure required by the exhaust fan to transport the mist is relatively high. How to improve the condensation effect and reduce the external force required for mist transportation has become a technical problem that needs to be solved.

[0004] How to invent a water-saving cooling tower to improve these problems has become an urgent problem to be solved by those skilled in the art. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a water-saving cooling tower, which has the effect of improving condensation and reducing the external force required for mist transportation.

[0006] The utility model is achieved in this way:

[0007] A water-saving cooling tower comprises a cooling tower assembly, a return mist assembly, a condenser pipe assembly and a reciprocating drainage assembly.

[0008] The upper end of the return mist assembly is connected to the upper end of the cooling tower assembly, the condenser pipe assembly is arranged at the bottom end of the cooling tower assembly, the lower end of the return mist assembly is connected to the condenser pipe assembly, the condenser pipe assembly hangs down into the condensed water at the bottom end of the cooling tower assembly, the reciprocating drainage assembly is arranged at the bottom end of the cooling tower assembly, and the reciprocating drainage assembly can push the condenser pipe assembly to reciprocate up and down.

[0009] In a specific embodiment, the cooling tower assembly includes a cooling tower body, a first motor and a fan, the first motor is fixedly connected to the top of the cooling tower body, the fan is arranged at the output end of the first motor, and a condensate water tank is provided at the bottom of the cooling tower body, and condensate water is stored in the condensate water tank.

[0010] In a specific embodiment, the return mist assembly includes a mist collecting hood, a mist inlet pipe, an exhaust fan and a mist exhaust pipe. The mist collecting hood is arranged at the top of the cooling tower body, the upper end of the mist inlet pipe is connected to the mist collecting hood, the outer wall of the upper end of the cooling tower body is provided with a mounting seat, the exhaust fan is fixedly connected to the mounting seat, the input end of the exhaust fan is connected to the output end of the first motor, the lower end of the mist inlet pipe is connected to the exhaust fan air inlet, the upper end of the exhaust pipe is connected to the exhaust fan air outlet, and the lower end of the exhaust pipe is connected to the condenser pipe assembly.

[0011] In a specific embodiment, the output end of the first motor is provided with a first helical tooth, the input end of the exhaust fan is connected to a transmission shaft, the transmission shaft rotates through the mounting seat, and the end of the transmission shaft away from the exhaust fan is provided with a second helical tooth, and the second helical tooth is engaged with the first helical tooth.

[0012] In a specific embodiment, the condenser assembly includes an air intake concentrating box, an exhaust concentrating box, an air guide hose and an exhaust pipe fitting. The air intake concentrating box and the exhaust concentrating box are respectively arranged on the outer walls on both sides of the condensation water tank. The upper ends of the air intake concentrating box and the exhaust concentrating box are connected to each other through the air guide hose. The reciprocating drainage assembly can support the air guide hose to move up and down. The lower ends of the air intake concentrating box and the exhaust concentrating box are both connected to the interior of the condensation water tank. The exhaust pipe fitting is connected to the exhaust concentrating box, and the lower end of the exhaust pipe fitting extends below the water surface of the condensed water in the condensation water tank.

[0013] In a specific embodiment, the air intake concentration box includes a box body, a connecting hard pipe and a return pipe. The box body is fixedly connected to the side wall outside the condensate water tank, the connecting hard pipe is evenly spaced at the upper end of the box body, the connecting hard pipe extends into the interior of the condensate water tank, the return pipe is fixedly connected to the lower end of the box body, and the return pipe is connected to the interior of the condensate water tank. The exhaust concentration box and the air intake concentration box have the same structure, the air guide hose is respectively connected to the connecting hard pipes of the exhaust concentration box and the air intake concentration box, the exhaust pipe fittings are evenly spaced at the exhaust concentration box, and the exhaust pipe fittings extend into the interior of the condensate water tank.

[0014] In a specific embodiment, the exhaust pipe fitting includes an exhaust pipe, which is provided with exhaust holes at equal intervals. The exhaust holes face the water surface of the condensed water in the condensed water tank. The outer end of the exhaust pipe is tilted downward, and an air groove is provided at the bottom end of the outer end of the exhaust pipe. The air groove extends below the water surface of the condensed water in the condensed water tank.

[0015] In a specific embodiment, the reciprocating drainage assembly includes a base, a reciprocating screw, a second motor, a reciprocating slider, a support and a guide slide. The base is provided in two, and the two bases are respectively provided at the upper and lower ends of the inner wall of the condensate water tank. The two ends of the reciprocating screw are rotatably connected to the two bases, so that the second motor is fixedly connected to the outer wall of the condensate water tank, and the output end of the second motor is transmission-connected to the upper end of the reciprocating screw. The reciprocating slider is provided on the reciprocating screw, and the support is fixedly connected to the reciprocating slider. The support supports the condenser pipe assembly, the guide slide is fixedly connected to the inner wall of the condensate water tank, and the reciprocating slider is slidably connected to the guide slide.

[0016] In a specific embodiment, the top end of the reciprocating screw is provided with a third helical tooth, the output end of the second motor is provided with a fourth helical tooth, and the third helical tooth is engaged with the fourth helical tooth.

[0017] In a specific embodiment, the support member includes a connecting rod, a lifting rod, a support rod and a limiting rod, one end of the connecting rod is fixedly connected to the reciprocating slider, the lifting rod is vertically arranged at the other end of the connecting rod, the support rod is horizontally arranged at the top end of the lifting rod, and the limiting rod is inclined at one end of the support rod away from the lifting rod. The support rod supports the condenser tube assembly, and the limiting rod can block the condenser tube assembly.

[0018] The beneficial effects of the present application are as follows: the return mist assembly pumps the mist at the top of the cooling tower assembly into the condenser assembly, and the condenser assembly performs heat exchange with the condensed water. Most of the mist condenses into water droplets after heat exchange, and the remaining mist is discharged along with the condenser assembly. Part of the discharged mist is directly blown onto the condensed water for condensation, and the other part is sent to below the surface of the condensed water through the condenser assembly. Due to the low mist content, the condenser assembly does not need to be extended too deep underwater, and can be completed by a single exhaust element in the return mist assembly, thereby reducing the external force required for mist transportation. The mist flows through the condenser assembly for the first condensation, and is then discharged through the condenser assembly for secondary condensation, effectively improving the condensation effect. As the working time of the condenser assembly increases, the water accumulated in the condenser assembly is raised by the reciprocating drainage assembly to increase the height of the condenser assembly, so that the water in the condenser assembly flows out of the condenser assembly to both ends, thereby achieving the purpose of discharging the water accumulated in the condenser assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of a water-saving cooling tower provided by an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the three-dimensional structure of a cooling tower assembly is provided for an embodiment of the present utility model;

[0022] Figure 3 Provided for the implementation of the utility model Figure 2 A schematic diagram of the structure enlarged in the middle;

[0023] Figure 4 A schematic diagram of the three-dimensional structure of the mist return assembly is provided for the embodiment of the utility model;

[0024] Figure 5 Provided for the implementation of the utility model Figure 4 The enlarged structural diagram at B in the middle;

[0025] Figure 6 A schematic diagram of the three-dimensional structure of a condenser tube assembly is provided for an embodiment of the present utility model;

[0026] Figure 7 A schematic diagram of the three-dimensional structure of the air intake central box is provided for the embodiment of the present utility model;

[0027] Figure 8 Provided for the implementation of the utility model Figure 6 The enlarged structural diagram at C in the middle;

[0028] Figure 9 A schematic diagram of the three-dimensional structure of a reciprocating drainage assembly is provided for an embodiment of the present utility model;

[0029] Figure 10 Provided for the implementation of the utility model Figure 9 The enlarged structural diagram at D in the middle;

[0030] Figure 11 A schematic diagram of the three-dimensional structure of a support member is provided for an embodiment of the present utility model.

[0031] In the figure: 100 - cooling tower assembly; 110 - cooling tower body; 120 - first motor; 130 - fan; 140 - condenser water tank; 150 - first bevel gear; 160 - mounting base; 200 - return mist assembly; 210 - mist collecting hood; 220 - mist inlet pipe; 230 - exhaust fan; 240 - mist exhaust pipe; 250 - transmission shaft; 260 - second bevel gear; 300 - condenser pipe assembly; 310 - air intake central box; 311 - box body; 312 - connecting hard pipe; 313 - return water pipe ;320-exhaust concentration box; 330-air guide hose; 340-exhaust pipe fittings; 341-exhaust pipe; 342-exhaust hole; 343-air trough; 400-reciprocating drainage assembly; 410-base; 420-reciprocating screw; 430-second motor; 440-reciprocating slider; 450-support member; 451-connecting rod; 452-lifting rod; 453-support rod; 454-limiting rod; 460-guide slide; 470-third bevel gear; 480-fourth bevel gear. DETAILED DESCRIPTION

[0032] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Example

[0034] See also Figures 1 to 11 The utility model provides a water-saving cooling tower, including a cooling tower assembly 100, a return mist assembly 200, a condenser pipe assembly 300 and a reciprocating drainage assembly 400.

[0035] See also Figure 1The upper end of the return mist assembly 200 is connected to the upper end of the cooling tower assembly 100, the condenser pipe assembly 300 is arranged at the bottom end of the cooling tower assembly 100, the lower end of the return mist assembly 200 is connected to the condenser pipe assembly 300, the condenser pipe assembly 300 hangs down into the condensate water at the bottom end of the cooling tower assembly 100, and the reciprocating drainage assembly 400 is arranged at the bottom end of the cooling tower assembly 100. The reciprocating drainage assembly 400 can push the condenser pipe assembly 300 to reciprocate up and down. The return mist assembly 200 draws the mist from the top of the cooling tower assembly 100 into the condenser assembly 300, and performs heat exchange with the condensed water through the condenser assembly 300. Most of the mist is condensed into water droplets after heat exchange, and the remaining mist is discharged along with the condenser assembly 300. Part of the discharged mist is directly blown onto the condensed water for condensation, and the other part is sent below the water surface of the condensed water through the condenser assembly 300. Due to the low mist content, the condenser assembly 300 does not need to extend too deep into the water, and can be completed through a single exhaust element in the return mist assembly 200, reducing the external force required for mist transportation. The mist flows through the condenser tube assembly 300 for the first condensation, and is then discharged through the condenser tube assembly 300 for the second condensation, which effectively improves the condensation effect. As the working time of the condenser tube assembly 300 increases, the water accumulated in the condenser tube assembly 300 is increased through the reciprocating drainage assembly 400 to increase the height of the condenser tube assembly 300, so that the water in the condenser tube assembly 300 flows out of the condenser tube assembly 300 to both ends, thereby achieving the purpose of discharging the water accumulated in the condenser tube assembly 300.

[0036] See also Figures 1 to 3 The cooling tower assembly 100 includes a cooling tower body 110, a first motor 120, and a fan 130. The first motor 120 is fixedly connected to the top of the cooling tower body 110, and the fan 130 is installed at the output end of the first motor 120. A condensed water tank 140 is installed at the bottom of the cooling tower body 110, and the condensed water is stored in the condensed water tank 140. The first motor 120 drives the fan 130, and the fan 130 extracts the water vapor evaporated from the cooling tower body 110.

[0037] See also Figures 1 to 4 The return mist assembly 200 includes a mist collecting hood 210, a mist inlet pipe 220, an exhaust fan 230 and a mist exhaust pipe 240. The mist collecting hood 210 is arranged at the top of the cooling tower body 110. The upper end of the mist inlet pipe 220 is connected to the mist collecting hood 210. The outer wall of the upper end of the cooling tower body 110 is provided with a mounting seat 160. The exhaust fan 230 is fixedly connected to the mounting seat 160. The input end of the exhaust fan 230 is connected to the output end of the first motor 120. The lower end of the mist inlet pipe 220 is connected to the air inlet of the exhaust fan 230. The upper end of the mist exhaust pipe 240 is connected to the air outlet of the exhaust fan 230. The lower end of the mist exhaust pipe 240 is connected to the condenser pipe assembly 300. The mist collecting hood 210 is used to collect the mist at the top of the cooling tower body 110. The exhaust fan 230 sends the mist collected by the mist collecting hood 210 into the condenser pipe assembly 300 through the mist inlet pipe 220 and the mist exhaust pipe 240 for condensation.

[0038] See also Figures 1 to 5 The output end of the first motor 120 is provided with a first helical gear 150. The input end of the exhaust fan 230 is connected to a transmission shaft 250. The transmission shaft 250 rotates through the mounting base 160. The end of the transmission shaft 250 away from the exhaust fan 230 is provided with a second helical gear 260. The second helical gear 260 engages with the first helical gear 150. The first motor 120 drives the first helical gear 150. The first helical gear 150 drives the second helical gear 260 through the principle of gear meshing. The second helical gear 260 drives the transmission shaft 250, and the transmission shaft 250 drives the exhaust fan 230 to operate.

[0039] See also Figures 1 to 6 The condenser assembly 300 includes an air intake concentrating box 310, an exhaust concentrating box 320, an air guide hose 330 and an exhaust pipe fitting 340. The air intake concentrating box 310 and the exhaust concentrating box 320 are respectively arranged on the outer walls on both sides of the condensate water tank 140. The upper ends of the air intake concentrating box 310 and the exhaust concentrating box 320 are connected to each other through the air guide hose 330. The reciprocating drainage assembly 400 can support the air guide hose 330 to move up and down. The lower ends of the air intake concentrating box 310 and the exhaust concentrating box 320 are both connected to the interior of the condensate water tank 140. The exhaust pipe fitting 340 is connected to the exhaust concentrating box 320, and the lower end of the exhaust pipe fitting 340 extends below the water surface of the condensate water in the condensate water tank 140. The mist exhaust pipe 240 delivers the mist collected by the mist hood 210 into the air intake concentrator 310. The mist then flows through the air guide hose 330, where it undergoes heat exchange with the condensed water in the condensate tank 140, condensing the mist into water droplets. The mist then flows back into the exhaust concentrator 320 and is discharged through the exhaust pipe 340. The mist discharged from the exhaust pipe 340 is blown onto the condensed water, causing secondary condensation. Finally, the mist is sent through the exhaust pipe 340 below the surface of the condensed water, forming secondary condensation. The reciprocating drainage assembly 400 raises the middle portion of the air guide hose 330, causing the water in the air guide hose 330 to flow to both ends of the air guide hose 330, causing the water in the air guide hose 330 to flow into the air intake concentrator 310 and exhaust concentrator 320, and ultimately back into the condensed water.

[0040] See also Figures 1 to 7The air intake concentration box 310 includes a box body 311, a connecting hard pipe 312 and a return pipe 313. The box body 311 is fixedly connected to the side wall outside the condensate water tank 140. The connecting hard pipe 312 is evenly spaced at the upper end of the box body 311. The connecting hard pipe 312 extends into the interior of the condensate water tank 140. The return pipe 313 is fixedly connected to the lower end of the box body 311. The return pipe 313 is connected to the interior of the condensate water tank 140. The exhaust concentration box 320 has the same structure as the air intake concentration box 310. The air guide hose 330 is respectively connected to the connecting hard pipe 312 of the exhaust concentration box 320 and the air intake concentration box 310. The exhaust pipe fittings 340 are evenly spaced at the exhaust concentration box 320, and the exhaust pipe fittings 340 extend into the interior of the condensate water tank 140. The exhaust concentration box 320 and the box body 311 of the intake concentration box 310 are connected through the connecting hard pipe 312 and the air guide hose 330. The water discharged from the air guide hose 330 flows into the box body 311, and the water flows back to the condensation water tank 140 through the return pipe 313 of the box body 311.

[0041] See also Figures 1 to 8 Exhaust pipe 340 includes an exhaust pipe 341 with exhaust holes 342 spaced evenly apart. Exhaust holes 342 face the surface of the condensate in condensate tank 140. The outer end of exhaust pipe 341 is tilted downward, and the bottom of the outer end of exhaust pipe 341 defines an air passage 343 that extends below the surface of the condensate in condensate tank 140. Mist in exhaust concentration tank 320 is discharged through exhaust pipe 341. A portion of the mist is blown toward the surface of the condensate through exhaust holes 342 for condensation. The remaining mist is sent through air passage 343 of exhaust pipe 341 to the surface of the condensate for condensation.

[0042] See also Figures 1 to 9The reciprocating drainage assembly 400 includes a base 410, a reciprocating screw 420, a second motor 430, a reciprocating slider 440, a support 450 and a guide slide 460. The base 410 is provided in two, and the two bases 410 are respectively provided at the upper and lower ends of the inner wall of the condensate water tank 140. The two ends of the reciprocating screw 420 are rotatably connected to the two bases 410. The second motor 430 is fixedly connected to the outer wall of the condensate water tank 140. The output end of the second motor 430 is transmission-connected to the upper end of the reciprocating screw 420. The reciprocating slider 440 is provided on the reciprocating screw 420. The support 450 is fixedly connected to the reciprocating slider 440. The support 450 supports the condensate pipe assembly 300. The guide slide 460 is fixedly connected to the inner wall of the condensate water tank 140. The reciprocating slider 440 is slidably connected to the guide slide 460. When the reciprocating drainage assembly 400 is working, the second motor 430 is started, and the second motor 430 drives the reciprocating screw 420 to rotate, and the reciprocating screw 420 drives the reciprocating slider 440 to reciprocate up and down, and the guide slide 460 guides the reciprocating slider 440 to move, and the support member 450 reciprocates up and down with the reciprocating slider 440. The support member 450 pushes the middle part of the air guide hose 330 to rise, so that the water in the air guide hose 330 flows to the two ends of the air guide hose 330, so that the water in the air guide hose 330 flows into the air intake concentration box 310 and the exhaust concentration box 320, and finally flows back into the condensed water.

[0043] See also Figures 1 to 10 The reciprocating screw 420 is provided with a third helical tooth 470 at the top, and the output end of the second motor 430 is provided with a fourth helical tooth 480. The third helical tooth 470 is meshed with the fourth helical tooth 480. The second motor 430 drives the fourth helical tooth 480, and the fourth helical tooth 480 drives the third helical tooth 470 through the principle of gear meshing. The third helical tooth 470 drives the reciprocating screw 420 to rotate.

[0044] See also Figures 1 to 11 The support member 450 includes a connecting rod 451, a lifting rod 452, a support rod 453, and a limiting rod 454. One end of the connecting rod 451 is fixedly connected to the reciprocating slider 440. The lifting rod 452 is vertically arranged at the other end of the connecting rod 451. The support rod 453 is horizontally arranged at the top of the lifting rod 452. The limiting rod 454 is tilted and arranged at the end of the support rod 453 away from the lifting rod 452. The support rod 453 supports the condenser tube assembly 300, and the limiting rod 454 can block the condenser tube assembly 300. The lifting rod 452 increases the height of the support rod 453, and the support rod 453 is used to support the middle position of the gas guide hose 330 to rise or fall. The limiting rod 454 limits the gas guide hose 330 and prevents the gas guide hose 330 from falling off the support rod 453.

[0045] Specifically, the working principle of the water-saving cooling tower is as follows: the mist collecting hood 210 is used to collect the mist at the top of the cooling tower body 110, and the exhaust fan 230 sends the mist collected by the mist collecting hood 210 into the box 311 of the air inlet concentration box 310 through the mist inlet pipe 220 and the mist exhaust pipe 240. The exhaust concentration box 320 and the box 311 of the air inlet concentration box 310 are connected through the connecting hard pipe 312 and the air guide hose 330. Most of the mist flows through the air guide hose 330, and the air guide hose 330 is in the condensed water in the condensed water tank 140 for heat exchange, so that the mist The mist condenses to form water droplets, and then flows back into the box body 311 of the exhaust concentration box 320. The mist in the exhaust concentration box 320 is discharged through the exhaust pipe 341. A part of it is blown to the surface of the condensation water through the exhaust hole 342 for condensation, and the remaining mist is sent to the surface of the condensation water through the air groove 343 of the exhaust pipe 341 for condensation. Due to the low mist content, the exhaust pipe 341 does not need to extend too deep into the water, and it can be completed through the single exhaust fan 230 in the return mist component 200, reducing the external force required for mist transportation. The mist flows through the air guide hose 330 for the first condensation and is then discharged through the exhaust pipe 341 for the second condensation, which effectively improves the condensation effect. As the working time of the condenser tube assembly 300 increases, the second motor 430 is started, and the second motor 430 drives the reciprocating screw 420 to rotate. The reciprocating screw 420 drives the reciprocating slider 440 to move up and down. The guide slide 460 guides the reciprocating slider 440 to move, and the support member 450 reciprocates up and down with the reciprocating slider 440. The support member 450 pushes the guide The middle part of the air hose 330 rises, causing the water in the air hose 330 to flow to both ends of the air hose 330, causing the water in the air hose 330 to flow into the air intake concentration box 310 and the exhaust concentration box 320, and finally flow back into the condensate water. Subsequently, the reciprocating slider 440 moves downward, the support member 450 falls, and the air hose 330 falls back into the condensate water under the action of gravity, thereby achieving the purpose of discharging the accumulated water in the air hose 330 and reducing the occurrence of the situation where the air hose 330 is affected by the accumulation of water and the condensation effect is affected.

[0046] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A water-saving cooling tower, characterized in that: include cooling tower components; A return mist assembly, the upper end of which is connected to the upper end of the cooling tower assembly; A condenser pipe assembly is provided at the bottom end of the cooling tower assembly, the lower end of the return mist assembly is connected to the condenser pipe assembly, and the condenser pipe assembly hangs down into the condensed water at the bottom end of the cooling tower assembly; A reciprocating drainage assembly is provided at the bottom end of the cooling tower assembly, and the reciprocating drainage assembly can push the condenser tube assembly to reciprocate up and down.

2. A water-saving cooling tower according to claim 1, characterized in that: The cooling tower assembly includes a cooling tower body, a first motor and a fan. The first motor is fixedly connected to the top of the cooling tower body. The fan is arranged at the output end of the first motor. A condensation water tank is provided at the bottom of the cooling tower body, and condensation water is stored in the condensation water tank.

3. A water-saving cooling tower according to claim 2, characterized in that: The return mist assembly includes a mist collecting hood, a mist inlet pipe, an exhaust fan and a mist exhaust pipe. The mist collecting hood is arranged at the top of the cooling tower body. The upper end of the mist inlet pipe is connected to the mist collecting hood. The outer wall of the upper end of the cooling tower body is provided with a mounting seat. The exhaust fan is fixedly connected to the mounting seat. The input end of the exhaust fan is connected to the output end of the first motor. The lower end of the mist inlet pipe is connected to the air inlet of the exhaust fan. The upper end of the exhaust pipe is connected to the air outlet of the exhaust fan. The lower end of the exhaust pipe is connected to the condenser pipe assembly.

4. A water-saving cooling tower according to claim 3, characterized in that: The output end of the first motor is provided with a first helical tooth, the input end of the exhaust fan is connected to a transmission shaft, the transmission shaft rotates through the mounting seat, and the end of the transmission shaft away from the exhaust fan is provided with a second helical tooth, and the second helical tooth is engaged with the first helical tooth.

5. A water-saving cooling tower according to claim 2, characterized in that: The condenser pipe assembly includes an air intake concentrating box, an exhaust concentrating box, an air guide hose and an exhaust pipe fitting. The air intake concentrating box and the exhaust concentrating box are respectively arranged on the outer walls on both sides of the condensation water tank. The upper ends of the air intake concentrating box and the exhaust concentrating box are connected to each other through the air guide hose. The reciprocating drainage assembly can support the air guide hose to move up and down. The lower ends of the air intake concentrating box and the exhaust concentrating box are both connected to the interior of the condensation water tank. The exhaust pipe fitting is connected to the exhaust concentrating box, and the lower end of the exhaust pipe fitting extends below the water surface of the condensation water in the condensation water tank.

6. A water-saving cooling tower according to claim 5, characterized in that: The air intake concentration box includes a box body, a connecting hard pipe and a return pipe. The box body is fixedly connected to the side wall outside the condensate water tank. The connecting hard pipe is evenly spaced at the upper end of the box body. The connecting hard pipe extends into the interior of the condensate water tank. The return pipe is fixedly connected to the lower end of the box body. The return pipe is connected to the interior of the condensate water tank. The exhaust concentration box and the air intake concentration box have the same structure. The air guide hose is respectively connected to the connecting hard pipes of the exhaust concentration box and the air intake concentration box. The exhaust pipe fittings are evenly spaced at the exhaust concentration box. The exhaust pipe fittings extend into the interior of the condensate water tank.

7. A water-saving cooling tower according to claim 5, characterized in that: The exhaust pipe assembly includes an exhaust pipe, exhaust holes are arranged at equal intervals on the exhaust pipe, the exhaust holes are facing the water surface of the condensed water in the condensed water tank, the outer end of the exhaust pipe is tilted downward, and the bottom end of the outer end of the exhaust pipe is provided with an air groove, and the air groove extends below the water surface of the condensed water in the condensed water tank.

8. A water-saving cooling tower according to claim 2, characterized in that: The reciprocating drainage assembly includes a base, a reciprocating screw, a second motor, a reciprocating slider, a support and a guide slide. The base is provided in two, and the two bases are respectively provided at the upper and lower ends of the inner wall of the condensate water tank. The two ends of the reciprocating screw are rotatably connected to the two bases, so the second motor is fixedly connected to the outer wall of the condensate water tank, and the output end of the second motor is transmission-connected to the upper end of the reciprocating screw. The reciprocating slider is provided on the reciprocating screw, and the support is fixedly connected to the reciprocating slider. The support supports the condenser pipe assembly, the guide slide is fixedly connected to the inner wall of the condensate water tank, and the reciprocating slider is slidably connected to the guide slide.

9. A water-saving cooling tower according to claim 8, characterized in that: The top end of the reciprocating screw is provided with a third helical tooth, the output end of the second motor is provided with a fourth helical tooth, and the third helical tooth is engaged with the fourth helical tooth.

10. The water-saving cooling tower according to claim 8, characterized in that: The support member includes a connecting rod, a lifting rod, a support rod and a limiting rod. One end of the connecting rod is fixedly connected to the reciprocating slider. The lifting rod is vertically arranged at the other end of the connecting rod. The support rod is horizontally arranged at the top end of the lifting rod. The limiting rod is inclined at one end of the support rod away from the lifting rod. The support rod supports the condenser tube assembly, and the limiting rod can block the condenser tube assembly.

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