阅读说明：本技术 一种冷却塔节水装置 (Water-saving device of cooling tower ) 是由 胡军 赵建宏 于 2021-09-02 设计创作，主要内容包括：本发明涉及一种冷却塔节水装置,包括设置在冷却塔内的回收水箱、离心风扇、设置在冷却塔内部的集水槽、设置在冷却塔内壁上设有多个雾化喷头和设置在冷却塔顶的冷凝回收机构；回收水箱内设有水泵,回收水箱通过水管与雾化喷头连接；集水槽螺旋状地沿冷却塔的内壁设置,回收水箱设置在集水槽的最低点；雾化喷头设置在离心风扇的上方；回收机构包括设置在冷却塔顶部的抽气扇上的套筒、凝结管、冷却管和冷却装置；本发明可以有效地对冷却塔产生的水蒸气进行凝结和回收,从而达到节水的目的,同时也可以减少排出气体的水蒸气含量,减少排出的白雾现象,保护环境。(The invention relates to a water-saving device of a cooling tower, which comprises a recovery water tank, a centrifugal fan, a water collecting tank, a plurality of atomizing nozzles and a condensation recovery mechanism, wherein the recovery water tank is arranged in the cooling tower; a water pump is arranged in the recovery water tank, and the recovery water tank is connected with the atomizing spray head through a water pipe; the water collecting tank is spirally arranged along the inner wall of the cooling tower, and the recovery water tank is arranged at the lowest point of the water collecting tank; the atomizing nozzle is arranged above the centrifugal fan; the recovery mechanism comprises a sleeve, a condensation pipe, a cooling pipe and a cooling device which are arranged on an air exhaust fan at the top of the cooling tower; the invention can effectively condense and recycle the water vapor generated by the cooling tower, thereby achieving the purpose of saving water, reducing the water vapor content of the discharged gas, reducing the phenomenon of discharged white fog and protecting the environment.)

1. The utility model provides a cooling tower water-saving device which characterized in that: the device comprises a recovery water tank arranged in a cooling tower, a centrifugal fan, a water collecting tank arranged in the cooling tower, a plurality of atomizing nozzles arranged on the inner wall of the cooling tower and a condensation recovery mechanism arranged on the top of the cooling tower;

a water pump is arranged in the recovery water tank, and the recovery water tank is connected with the atomizing spray head through a water pipe;

the water collecting tank is spirally arranged along the inner wall of the cooling tower, and the recovery water tank is arranged at the lowest point of the water collecting tank;

the atomizing nozzle is arranged above the centrifugal fan;

retrieve the mechanism including setting up the sleeve on the exhaust fan at cooling tower top, the condensation pipe, cooling tube and cooling device, telescopic top seal and central point put are equipped with the exhaust hole, be equipped with a plurality of recovery holes on the telescopic side, be equipped with the windage regulating plate with exhaust hole and recovery hole separated in the sleeve, the one end and the recovery hole intercommunication of condensation pipe, the other end of condensation pipe is equipped with atmospheric pressure adjustment mechanism, the top of cooling tube and the bottom intercommunication of condensation pipe, the bottom of cooling tube is passed through the pipeline and is connected with recovery water tank, cooling device sets up in condensation pipe department.

2. The cooling tower water-saving device according to claim 1, characterized in that: the wind resistance adjusting plate is of a shutter structure, and a plurality of blades are arranged in the wind resistance adjusting plate.

3. The cooling tower water-saving device according to claim 1, characterized in that: the condensation pipe is bent into an S-shaped circulating condensation plate body, the cooling device comprises cooling fins and a cooling fan, the cooling fins are fixedly connected with the condensation plate body, and the cooling fan faces the cooling fins.

4. The cooling tower water-saving device according to claim 1, characterized in that: the other end of the condensation pipe is bent upwards, the air pressure adjusting mechanism comprises a plug arranged at the other end of the condensation pipe, an external thread is arranged at one end of the plug, an internal thread is arranged on the inner wall, corresponding to the bar-shaped through holes, of the other end of the condensation pipe, and one end of the plug is in threaded connection with the other end of the condensation pipe.

5. The cooling tower water-saving device according to claim 1, characterized in that: the condensation pipe is internally provided with a plurality of vertical guide rods, and the top ends of the guide rods are fixedly connected with the inner wall of the condensation pipe.

Technical Field

The invention relates to the field of cooling tower equipment, in particular to a water-saving device of a cooling tower.

Background

The cooling tower is a device which uses water as circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the cold is an evaporation and heat dissipation device which utilizes the principle that water is in flowing contact with air and then carries out heat exchange to generate steam, the steam volatilizes and takes away heat to achieve evaporation and heat dissipation, convection heat transfer, radiation heat transfer and the like to dissipate waste heat generated in industry or refrigeration air conditioners to reduce the water temperature so as to ensure the normal operation of the system, and the device is generally barrel-shaped and is named as a cooling tower.

The cooling tower mainly comprises a tower body, a spraying device arranged in the tower body, filler arranged below the spraying device and a fan arranged at the top of the tower body, wherein the fan can suck air from an air inlet at the bottom of the tower body to ensure that the air is from bottom to top, the spraying device sprays hot water, and the hot water falls into the filler from top to bottom, so that the contact area of the hot water and the air is increased by using the filler, the hot water is mainly subjected to evaporation heat exchange with the air in the filler to radiate heat carried by the hot water to the atmosphere, and the cooled hot water can be recycled;

however, the existing cooling tower can only adopt evaporation heat exchange as in summer in winter, so that a large amount of water evaporation loss can occur, and the hot water consumption is high.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a water saving device for a cooling tower, which can recover water vapor discharged from the cooling tower, thereby avoiding water waste and pollution of the environment by discharged white mist gas.

The invention relates to a water-saving device of a cooling tower, which comprises a recovery water tank, a centrifugal fan, a water collecting tank, a plurality of atomizing nozzles and a condensation recovery mechanism, wherein the recovery water tank is arranged in the cooling tower;

a water pump is arranged in the recovery water tank, and the recovery water tank is connected with the atomizing spray head through a water pipe;

the water collecting tank is spirally arranged along the inner wall of the cooling tower, and the recovery water tank is arranged at the lowest point of the water collecting tank;

the atomizing nozzle is arranged above the centrifugal fan;

retrieve the mechanism including setting up the sleeve on the exhaust fan at cooling tower top, the condensation pipe, cooling tube and cooling device, telescopic top seal and central point put are equipped with the exhaust hole, be equipped with a plurality of recovery holes on the telescopic side, be equipped with the windage regulating plate with exhaust hole and recovery hole separated in the sleeve, the one end and the recovery hole intercommunication of condensation pipe, the other end of condensation pipe is equipped with atmospheric pressure adjustment mechanism, the top of cooling tube and the bottom intercommunication of condensation pipe, the bottom of cooling tube is passed through the pipeline and is connected with recovery water tank, cooling device sets up in condensation pipe department.

Further, the wind resistance adjusting plate is of a shutter structure, and a plurality of blades are arranged in the wind resistance adjusting plate.

Furthermore, the condensation pipe is bent into an S-shaped circulating condensation plate body, the cooling device comprises a radiating fin and a radiating fan, the radiating fin is fixedly connected with the condensation plate body, and the radiating fan faces the radiating fin.

Further, the other end of the condensation pipe is upwards bent, the air pressure adjusting mechanism comprises a plug arranged at the other end of the condensation pipe, an external thread is arranged at one end of the plug, a plurality of strip-shaped through holes are formed in the other end of the condensation pipe, internal threads are formed in the inner wall corresponding to the strip-shaped through holes, and one end of the plug is connected with the other end of the condensation pipe in a threaded mode.

Furthermore, a plurality of vertical guide rods are arranged in the condensation pipe, and the top ends of the guide rods are fixedly connected with the inner wall of the condensation pipe.

The principle and the beneficial effects of the invention are as follows: the invention relates to a cooling tower water-saving device, which is characterized in that a centrifugal fan for performing centrifugal action on exhaust gas is added under the structure of the existing cooling tower, a spraying device sprays hot water into a filler and performs heat exchange to form water vapor, the gas in the cooling tower rises under the action of a top suction fan, under the centrifugal action of the centrifugal fan, the gas flow at the edge part contains more water vapor, part of the water vapor is directly condensed on the side wall of the cooling tower and flows into a recovery water tank through a water collecting tank, most of the gas rises into a sleeve at the top, the gas at the center part containing less water vapor is directly discharged from an exhaust hole, the gas at the edge part moves into a condensation pipe from the recovery hole, a large amount of gas is accumulated in the condensation pipe to cause air pressure to rise, part of the water vapor is condensed, the other part of the water vapor is discharged from the other end of the condensation pipe, the condensed water is cooled in the cooling pipe and is recovered into the recovery water tank, the whole temperature in the recovery water tank is reduced by the cooled water, meanwhile, the water in the recovery water tank is conveyed to an atomizing nozzle through a water pump and a pipeline, the water mist sprayed by the atomizing nozzle is mixed with the airflow containing the water vapor in the cooling tower, and the water vapor is accelerated to be condensed and recovered; the proportion of directly discharged gas and gas entering the condensation pipe can be changed through the wind resistance adjusting plate in the sleeve and the air pressure adjusting mechanism in the condensation pipe, so that the integral recovery proportion reaches a balance value.

Therefore, the invention can effectively condense and recycle the water vapor generated by the cooling tower, thereby achieving the purpose of saving water, reducing the water vapor content of the discharged gas, reducing the discharged white fog phenomenon and protecting the environment

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for a person skilled in the art, other relevant drawings can be obtained from the drawings without inventive effort:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the cooling pipe of the present invention.

The reference numbers are as follows: 1-cooling tower, 2-recovery water tank, 3-sleeve, 4-condensation pipe, 5-windage adjusting plate, 6-cooling pipe, 7-cooling device, 11-air extracting fan, 12-centrifugal fan, 13-water collecting tank, 14-filler, 15-spraying device, 31-air outlet, 41-air pressure adjusting mechanism, 71-radiating fin, 72-radiating fan, 411-plug and 412-strip through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1-2: the cooling tower water-saving device of the embodiment comprises a recovery water tank 2, a centrifugal fan 12, a water collecting tank 13, a plurality of atomizing nozzles and a condensation recovery mechanism, wherein the recovery water tank 2, the centrifugal fan 12, the water collecting tank 13, the plurality of atomizing nozzles and the condensation recovery mechanism are additionally arranged in a cooling tower 1 under the structure of the existing cooling tower 1;

wherein the content of the first and second substances,

the recovery water tank 2 is arranged at a support at the bottom of the cooling tower 1, a water pump is arranged in the recovery vertical direction, the recovery water tank 2 is connected with an atomizing nozzle through a water pipe, and the atomizing nozzle is arranged above the centrifugal fan 12; the low-temperature water mist generated by the atomizing nozzle is mixed with the gas generated in the working process of the cooling tower 1, so that the gas can be cooled and the condensation of water vapor in the gas can be accelerated;

the water collecting tank 13 is spirally arranged along the inner wall of the cooling tower 1, the recovery water tank 2 is arranged at the lowest point of the water collecting tank 13, and when the centrifugal fan 12 works, the air in the cooling tower 1 can rotate, so that the content of water vapor and water mist of the airflow at the edge part is higher, the air vapor and the water mist are easy to condense on the inner wall of the cooling tower 1, and the air flows downwards to the recovery water tank 2 along the spirally rotating water collecting tank 13;

the recovery mechanism comprises a sleeve 3 arranged on an air extraction fan 11 at the top of the cooling tower 1, a condensation pipe 4, a cooling pipe 6 and a cooling device 7;

the top of the sleeve 3 is sealed, the exhaust hole 31 is arranged in the center of the sleeve 3, a plurality of recovery holes are formed in the side face of the sleeve 3, a wind resistance adjusting plate 5 for separating the exhaust hole 31 and the recovery holes is arranged in the sleeve 3, air flows upwards in a rotating mode under the combined action of the centrifugal fan 12 and the air extracting fan, air with less water vapor in the middle of the sleeve is directly discharged after being decelerated through the wind resistance adjusting plate 5, the wind resistance adjusting plate 5 is used for properly reducing the ascending speed of air flow, so that the air flow at the edge part flows to the recovery holes in the side wall of the sleeve 3 more, specifically, the wind resistance adjusting plate 5 is of a shutter structure, a plurality of blades are arranged in the wind resistance adjusting plate 5, the size of gaps among the blades is adjusted through rotating the blades, the air flow rate which can pass through the gaps can be adjusted, and the whole air flow is decelerated;

one end of the condensation pipe 4 is communicated with the recovery hole, the other end of the condensation pipe 4 is bent upwards, the air pressure adjusting mechanism 41 comprises a plug 411 arranged at the other end of the condensation pipe 4, an external thread is arranged at one end of the plug 411, a plurality of strip-shaped through holes 412 are arranged at the other end of the condensation pipe 4, internal threads are arranged on the inner walls corresponding to the strip-shaped through holes 412, and one end of the plug 411 is in threaded connection with the other end of the condensation pipe 4; the airflow enters the condensation pipe 4 through the recovery hole, the temperature of the airflow is higher, so the airflow spontaneously rises and gathers at the other end of the condensation pipe 4, the subsequent gas continuously enters the condensation pipe 4 to form high pressure, meanwhile, the size of the strip-shaped through hole 412 is adjusted by rotating the screw thread, so the air pressure in the condensation pipe 4 is balanced, and under the condition of high pressure, the water vapor is accelerated to condense and gathers into water drops;

the top of cooling tube 6 and the bottom intercommunication of condensation pipe 4, the bottom of cooling tube 6 is passed through the pipeline and is connected with recovery water tank 2, cooling device 7 sets up in condensation pipe 4 department, condensation pipe 4 is buckled into the condensation plate body of S-shaped circulation, cooling device 7 includes fin 71 and radiator fan 72, fin 71 and condensation plate body fixed connection, radiator fan 72 is towards fin 71, the drop of water that condenses in condensation pipe 4 gets into to cooling tube 6, cooling tube 6 is the metal material and increases and the area of contact of fin 71 through buckling for the condensation plate body of S-shaped circulation, heat transfer dispels the heat on fin 71 and through the forced air cooling, mix with the hot water in recovery water tank 2 at last, make the temperature in recovery water tank 2 lower, and then the spun water smoke temperature of atomizer is lower, the condensation of vapor has been quickened more.

In this embodiment, in order to accelerate the condensation of the water vapor in the condensation pipe 4, a plurality of vertical guide rods are arranged in the condensation pipe 4, and the top ends of the guide rods are fixedly connected with the inner wall of the condensation pipe 4.

The specific implementation process of this embodiment is as follows:

a spray device 15 in the cooling tower 1 sprays hot water into the filler 14 and performs heat exchange to form water vapor, and gas in the cooling tower 1 rises under the action of a top suction fan 11;

under the centrifugal action of the centrifugal fan 12, the airflow at the edge part contains more water vapor, and part of the water vapor is directly condensed on the side wall of the cooling tower 1 and flows into the recovery water tank 2 through the water collecting tank 13;

the majority of the gas rises into the top skirt 3, the central portion of the gas containing less water vapour is directly discharged from the discharge holes 31, the edge portion of the gas moves from the recovery holes into the condensation duct 4;

a large amount of gas is collected in the condensation pipe 4, so that the gas pressure is increased, part of the water vapor is condensed, and the other part of the water vapor is discharged from the other end of the condensation pipe 4;

the condensed water is cooled from the cooling pipe 6 and recovered into the recovery water tank 2, the whole temperature in the recovery water tank 2 is reduced through the cooled water, the water in the recovery water tank 2 is conveyed to an atomizing nozzle through a water pump and a pipeline, the water mist sprayed by the atomizing nozzle is mixed with the airflow containing the water vapor in the cooling tower 1, and the condensation of the water vapor is accelerated to be recovered;

the proportion of directly discharged gas to gas entering the condensation pipe 4 can be changed through the wind resistance adjusting plate 5 in the sleeve 3 and the air pressure adjusting mechanism 41 in the condensation pipe 4, so that the integral recovery proportion reaches a balance value.

In conclusion, the invention can effectively condense and recycle the water vapor generated by the cooling tower 1, thereby achieving the purpose of saving water, reducing the water vapor content of the exhaust gas, reducing the phenomenon of exhausted white fog and protecting the environment

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.