1. A closed air cooling tower process based on micro-interface hydrophilic filler is used for cooling high-temperature water and is characterized by comprising the following steps:

s1, micro-interface high-specific-surface-area hydrophilic packing is filled in the humidifying tower and the dehumidifying tower, a cooling coil is arranged above the micro-interface high-specific-surface-area hydrophilic packing, and the high-temperature water is injected into the cooling coil from the side face of the humidifying tower;

s2, respectively spraying cooling water from the top of the humidifying tower and the top of the dehumidifying tower to the interior of the humidifying tower and the interior of the dehumidifying tower, wherein the spraying water, the micro-interface high specific surface area hydrophilic packing and ambient air cool the high-temperature water in the humidifying tower to obtain primary recovered water;

and S3, the primary recovered water continuously enters the dehumidification tower through the cooling coil, and the spray water, the micro-interface high specific surface area hydrophilic filler and the ambient air continuously cool the primary recovered water in the dehumidification tower to obtain recovered water.

2. The closed air cooling tower process based on the micro-interface hydrophilic packing as claimed in claim 1, wherein the number of the dehumidification towers is at least two, and the primary recovered water is cooled by at least two of the dehumidification towers to obtain the recovered water.

3. The closed air cooling tower process based on the micro-interface hydrophilic packing as claimed in claim 1, wherein the bottom of the humidifying tower and the bottom of the dehumidifying tower are provided with cooling water storage tanks, the cooling water is provided by the cooling water storage tanks, and the recycled water flows into the cooling water storage tanks, so that the recycling of the recycled water is realized.

4. The closed air cooling tower process based on the micro-interface hydrophilic filler as claimed in claim 1, wherein the specific surface area of the micro-interface high specific surface area hydrophilic filler is 3000m²/m³The bulk density is 320-650 kg/m³The void ratio is 70-90%, the F factor is 1.5-3.5, the wave pitch is 10-55 mm, and the tooth form angle is 30-80.

5. The closed air cooling tower process based on the micro-interface hydrophilic filler according to claim 1, wherein the surface of the micro-interface high specific surface area hydrophilic filler is coated with Al₂O₃-MnO₂And (c) a complex.

6. The closed air cooling tower process based on the micro-interface hydrophilic packing as claimed in claim 1, wherein air inlet grids are arranged on two sides of the bottom of the humidifying tower and one side of the bottom of the dehumidifying tower, and the ambient air enters the humidifying tower and the dehumidifying tower from the air inlet grids.

7. The closed air cooling tower process based on the micro-interface hydrophilic filler according to claim 1, wherein the ambient air dehumidified in the dehumidification tower is discharged into the atmosphere through a draught fan at the top of the dehumidification tower.

8. The utility model provides a closed air cooling tower system based on hydrophilic filler of minim interface for carry out cooling treatment to high temperature water, a serial communication port, including humidification tower and dehumidification tower, humidification tower with the inside of dehumidification tower is equipped with the hydrophilic filler of the high specific surface area of minim interface, the hydrophilic filler top of the high specific surface area of minim interface is equipped with cooling coil, two cooling coil is linked together, high temperature water flows in through the inlet tube among the cooling coil, the top of humidification tower with the top of dehumidification tower sets up the shower water entry respectively, the shower water the hydrophilic filler of the high specific surface area of minim interface is in with ambient air humidification tower inside with inside right of dehumidification tower high temperature water cools down, obtains the recycled water.

9. The closed air cooling tower system based on the micro-interface hydrophilic packing as claimed in claim 8, wherein the humidifying tower and the dehumidifying tower are made of metal materials and are cylindrical towers.

10. The closed air cooling tower system based on micro-interface hydrophilic packing of claim 8, wherein the bottom of the humidifying tower and the dehumidifying tower is provided with a cooling water storage tank, and the recycled water flows into the cooling water storage tank through a water outlet pipe.

Background

Cooling towers are required in the fields of chemical industry, food, medicine, energy, metallurgy, continuous processing, material treatment, processing and the like, and open cooling towers and closed cooling towers are adopted at present in China. The open cooling tower achieves heat exchange and cooling by spraying hot water onto the glass fiber filler in a spraying mode and contacting water with air, and the top of the open cooling tower is provided with a fan to drive airflow in the tower to flow and carry hot airflow after heat exchange with water out, so that cooling is achieved; meanwhile, the open cooling tower is directly contacted with air for cooling, so that the evaporation capacity of water is huge, cooling water circulates continuously one day, the evaporation capacity of water is higher than that of the natural environment due to the fact that the water discharged from the cooling tower is higher than the ambient temperature, and related researches show that the drifting rate of the water of the open cooling tower is up to 3%, namely, when the circulating hot water is 200 tons per hour, the water which drifts into the air per hour is up to 6 tons, and the open cooling tower needs an underground water pool and occupies a large area. Therefore, a closed cooling tower is designed, the closed cooling tower is simply two technical modules, an internal circulation module and an external circulation module can be filled or not filled, heat exchange and heat dissipation are generally carried out through spray cooling on the surface of a red copper pipe coil, automatic control is carried out, the fan motor is arranged according to water temperature, under the condition that the environmental temperature is high in spring and summer, two circulations are needed to run simultaneously, the environmental temperature is not high in autumn and winter, and only one internal circulation is used under most conditions.

The whole pipeline system of the closed cooling tower is in closed circulation, the circulating water is relatively clean, small pipelines can be used, and the closed cooling tower has the advantages of no scaling, no pollution, no corrosion and long service life of equipment; circulating water almost has no water consumption, and the drift rate can be reduced to below 1 per thousand; the closed cooling tower needs to be provided with a spraying system, an auxiliary machine and other equipment, so that the service power of the equipment is improved to a certain extent; the closed cooling tower does not need to build an underground water pool, so that the space is saved; the closed cooling tower can be conveniently moved and is convenient to flexibly install and arrange. However, the conventional closed cooling tower is about three times as expensive as the open tower and requires high energy for operation. Therefore, it is important to design a closed cooling tower with low operation cost and low water consumption.

Disclosure of Invention

An object of the application is to provide a closed air cooling tower technology and system based on hydrophilic filler of micro-interface, aim at solving the higher technical problem of running cost and energy consumption that traditional closed cooling tower exists.

The first aspect of the embodiment of the application provides a closed air cooling tower process based on a micro-interface hydrophilic filler, which is used for cooling high-temperature water and comprises the following steps:

s1, micro-interface high-specific-surface-area hydrophilic packing is filled in the humidifying tower and the dehumidifying tower, a cooling coil is arranged above the micro-interface high-specific-surface-area hydrophilic packing, and the high-temperature water is injected into the cooling coil from the side face of the humidifying tower;

s2, respectively spraying cooling water from the top of the humidifying tower and the top of the dehumidifying tower to the interior of the humidifying tower and the interior of the dehumidifying tower, wherein the spraying water, the micro-interface high specific surface area hydrophilic packing and ambient air cool the high-temperature water in the humidifying tower to obtain primary recovered water;

and S3, the primary recovered water continuously enters the dehumidification tower through the cooling coil, and the spray water, the micro-interface high specific surface area hydrophilic filler and the ambient air continuously cool the primary recovered water in the dehumidification tower to obtain recovered water.

In one embodiment, the number of the dehumidification towers is at least two, and the primary recovered water is cooled by the at least two dehumidification towers to obtain the recovered water.

In one embodiment, the bottoms of the humidifying tower and the dehumidifying tower are provided with a cooling water storage tank, the cooling water is provided by the cooling water storage tank, and the recovered water flows into the cooling water storage tank, so that the recycling of the recovered water is realized.

In one embodimentThe specific surface area of the micro-interface high specific surface area hydrophilic filler is 3000m²/m³The bulk density is 320-650 kg/m³The void ratio is 70-90%, the F factor is 1.5-3.5, the wave pitch is 10-55 mm, and the tooth form angle is 30-80.

In one embodiment, the surface of the micro-interfacial high specific surface area hydrophilic filler is coated with Al₂O₃-MnO₂And (c) a complex.

In one embodiment, air inlet grids are arranged on two sides of the bottom of the humidifying tower and one side of the bottom of the dehumidifying tower, and the ambient air enters the humidifying tower and the dehumidifying tower from the air inlet grids.

In one embodiment, the ambient air dehumidified in the dehumidification tower is discharged into the atmosphere through an induced draft fan at the top of the dehumidification tower.

The second aspect of the embodiment of the application provides a closed air cooling tower system based on hydrophilic filler of miniinterface for carry out cooling treatment to high temperature water, it includes humidification tower and dehumidification tower, humidification tower with the inside of dehumidification tower is equipped with the hydrophilic filler of high specific surface area of miniinterface, the hydrophilic filler top of high specific surface area of miniinterface is equipped with cooling coil, two cooling coil is linked together, high temperature water flows in through the inlet tube among the cooling coil, humidification tower's top with the top of dehumidification tower sets up the shower water entry respectively, the shower water the hydrophilic filler of high specific surface area of miniinterface is in with ambient air humidification tower inside with it is inside right to dehumidify the tower high temperature water cools down, obtains the recovered water.

In one embodiment, the humidifying tower and the dehumidifying tower are made of metal materials and are both cylindrical towers.

In one embodiment, the bottoms of the humidifying tower and the dehumidifying tower are provided with a cooling water storage tank, and the recovered water flows into the cooling water storage tank through a water outlet pipe.

The invention provides a closed air cooling tower process and a system based on micro-interface hydrophilic packing, wherein micro-interface hydrophilic regular packing is filled in a tower according to the ratioThe surface area is as high as 2500m²/m³The mass transfer and heat transfer efficiency of the filler humidifying tower and the filler dehumidifying tower is improved; cooling coils made of metal conductors are mounted at the tops of the humidifying tower and the dehumidifying tower, the cooling coils of the towers are communicated, high-temperature water is in the coils, ambient air and spray water are in the shell, an air inlet grid is designed on the side surface of the bottom of each tower, a water inlet pipeline and a water outlet pipeline are designed at the inlet of the air grid, and air coming out of the dehumidifying tower can be introduced into the atmosphere through an induced draft fan; the cooled recovered water is used as reflux cooling water for continuous use. The process not only achieves the purpose of cooling high-temperature water, but also skillfully further cools and recovers moisture in the air by utilizing the air-cooled humidifying-dehumidifying packed tower, so that the invention has extremely high popularization, and solves the problems of large occupied area caused by the high water consumption of an open type cooling tower and large water drift rate and high energy consumption caused by the design of a water tank and the large number of induced draft fans of the traditional closed type packed cooling tower.

Drawings

Fig. 1 is a schematic flow chart of a closed air cooling tower process based on a micro-interface hydrophilic filler according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a closed air cooling tower system based on a micro-interface hydrophilic filler according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a closed air cooling tower system based on a micro-interface hydrophilic filler according to another embodiment of the present application.

The symbols in the drawings illustrate that:

1. a humidifying tower; 2. a dehumidification tower; 3. micro-interface high specific surface area hydrophilic filler; 4. a cooling coil; 5. a circulating cooling water pump; 6. high-temperature water; 7. a dehumidification tower water pump; 8. an induced draft fan; 9. a second dehumidification tower; 10. an air inlet grille; 11. a water inlet pipe; 12. and (5) discharging a water pipe.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The traditional humidifying-dehumidifying type salt-containing wastewater recovery process usually adopts random packing and metal or ceramic regular packing; generally, these structured packings have a maximum specific surface area of not more than 700m²/m³Surface hydrophilic modification is not intentionally made; according to the mass transfer theory, Q ═ k_da(C₀-C_t) I.e. in the concentration difference (C)₀-C_t) Under certain conditions, the mass transfer rate and the mass transfer coefficient k_dProportional to the specific surface area a per unit volume of the filler, that is, the higher the specific surface area of the filler, the faster the mass transfer rate; on the other hand, the mass transfer coefficient k_dThe Re number is related to the Re number of the fluid and the thickness of a Plant boundary layer, and is closely related to the hydrophilicity (liquid holdup) of the surface of the filler, when the filler has strong hydrophilicity, the liquid holdup of the surface of the filler is large, the mass transfer is fast, and the high Re number can not cause the occurrence of flooding, so that the operation is deteriorated; meanwhile, the traditional filler has no hydrophilic function, so that the gas-liquid mass transfer rate of hot flue gas and spray wastewater on the surface of the filler only depends on the mass transfer rate and the gas-liquid equilibrium theorem.

Example 1

Referring to fig. 1, a schematic flow chart of a closed air cooling tower process based on micro-interface hydrophilic packing according to an embodiment of the present application is shown, and for convenience of description, only the portions related to the embodiment are shown, and detailed below:

in one embodiment, the first aspect of the present application provides a closed air cooling tower process based on micro-interface hydrophilic filler, which is used for cooling high-temperature water, and includes the following steps:

and S1, filling micro-interface high-specific-surface-area hydrophilic fillers into the humidifying tower and the dehumidifying tower, arranging a cooling coil above the micro-interface high-specific-surface-area hydrophilic fillers, and injecting high-temperature water into the cooling coil from the side surface of the humidifying tower.

Specifically, the humidifying tower and the dehumidifying tower are both made of metal materials with good composite heat-conducting property, the manufacturing cost of the humidifying-dehumidifying tower is saved, the humidifying tower and the dehumidifying tower are both designed into cylindrical towers, and the size is as follows: length x width x height 1000x1000x3600 in humidified tower andthe dehumidification tower is internally filled with 0.4m³Micro-interface high specific surface area hydrophilic filler, wherein the surface of the micro-interface high specific surface area hydrophilic filler is coated with Al₂O₃-MnO₂The specific surface area of the micro-interface high specific surface area hydrophilic filler is 3000m²/m³The bulk density is 320-650 kg/m³The porosity is 70-90%, the F factor is 1.5-3.5, the wave pitch is 10-55 mm, the tooth form angle is 30-80, and the micro-interface high specific surface area hydrophilic filler is provided with a cooling coil pipe above and communicated with the two cooling coil pipes, the cooling coil pipe adopts a red copper coil pipe of DN50, and high-temperature water is injected into the cooling coil pipe through a water inlet pipe.

And S2, respectively spraying cooling water from the top of the humidifying tower and the top of the dehumidifying tower to the interior of the humidifying tower and the interior of the dehumidifying tower, and cooling the high-temperature water by the spraying water, the micro-interface high-specific-surface-area hydrophilic packing and the ambient air in the humidifying tower to obtain primary recovered water.

Specifically, the bottom bilateral symmetry of humidifying tower sets up the air inlet grid, one side that the bottom of dehumidification tower is close to the outlet pipe sets up the air inlet grid, ambient air enters into the inside of humidifying tower and dehumidification tower from the air inlet grid, the air inlet grid slope 45 degrees sets up, prevent that the inside water that has of tower body from spilling over, establish to the cooling aqua storage tank bottom of humidifying tower and dehumidification tower, provide spray cooling water through the cooling aqua storage tank to the inside of humidifying tower and the inside of dehumidification tower, spray water, the hydrophilic filler of the high specific surface area of minim interface cools down high temperature water inside the humidifying tower with ambient air, obtain primary recovered water.

And S3, continuously feeding the primary recovered water into the dehumidification tower through the cooling coil, and continuously cooling the primary recovered water in the dehumidification tower by using the spray water, the micro-interface high-specific-surface-area hydrophilic filler and the ambient air to obtain the recovered water.

Specifically, primary recovered water is contacted with spray water and the micro-interface high specific surface area hydrophilic filler and ambient air in a dehumidification tower for cooling to obtain recovered water, the recovered water cooled by air cooling and circulating spray water in the dehumidification tower is continuously pumped into the top of the dehumidification tower through a dehumidification tower water pump for spraying, is continuously contacted with the ambient air and the micro-interface high specific surface area hydrophilic filler for cooling (by 20-23 ℃), and finally flows into the bottom of the dehumidification tower through a water outlet pipe arranged at an air grid inlet of the dehumidification tower to complete a cooling cycle, and the air flow and the spray circulation amount of the cooling water ensure that the temperature of the recovered water is reduced to 20-22 ℃ and can be continuously recycled as spray cooling water. Humidification tower and dehumidification tower series connection, the cooling water in dehumidification tower bottom need regularly supply for humidification tower bottom, and the circulating water of avoiding humidification tower can reduce gradually, and the temperature risees, and the cooling effect that sprays descends.

The temperature of the high-temperature water to be cooled is 50-60 ℃, and the flow rate is 200m³And h, in order to prevent scaling, the linear velocity of the high-temperature water in the cooling coil is designed to be 0.8-1.0m/s, the humidifying tower and the dehumidifying tower respectively cool the circulating water by 15-20 ℃, and air is exhausted into the atmosphere through a cooling induced draft fan when the top of the dehumidifying tower is at 25-30 ℃. The circulating cooling water at the bottom of the humidifying-dehumidifying tower can flow by opening a valve periodically, and normal-temperature water can be injected into the bottoms of the two towers firstly when the system is started. The flow of the cooling air induced draft fan is 2000m³H is used as the reference value. And then, the temperature of cooling spray water at the bottom of the air dehumidification tower is always kept to be not more than 22 ℃ in operation so as to meet the design requirement, and the cooled cooling water is taken as reflux cooling water to be continuously recycled. After 1 week of operation, the cooling effect and water drift rate were measured, and the results are shown in Table 1.

TABLE 1 high-temperature water and high-specific-surface-area hydrophilic structured packing humidification-dehumidification tower cooling process parameters

It can be seen that the process not only achieves the high-efficiency temperature reduction of the circulating hot water, but also recovers the moisture in the cooling air, and simultaneously, is different from the conventional closed cooling tower, because all the packed towers are filled with the micro-interface high-specific-surface-area hydrophilic packing, the mass transfer and heat transfer efficiency is very high, and the packed towers operate at normal pressure, 2 towers only use one cooling induced draft fan, and the modules are connected and assembled, so that the occupied area and the manufacturing cost are reduced, and the investment and the operation cost are reduced, and the process has extremely high popularization.

Example 2

The rest is the same as example 1, except that: the dehumidification towers are at least two, primary recovered water is cooled by the at least two dehumidification towers to obtain recovered water, cooling coil pipes in the towers are communicated, a water outlet pipe is arranged in the last-stage dehumidification tower, the primary recovered water is cooled by the dehumidification towers step by step until the temperature of the recovered water is reduced to 20-22 ℃, the recovered water is continuously pumped into a cooling water storage tank by a pump for recycling, and ambient air dehumidified in the dehumidification towers is exhausted into the atmosphere through an induced draft fan at the top of the last-stage dehumidification tower.

The temperature of the high-temperature water to be cooled is 50-60 ℃, and the flow rate is 210m³And h, in order to prevent scaling, the linear velocity of the high-temperature water in the cooling coil is designed to be 0.8-1.0m/s, the humidifying tower and the dehumidifying tower respectively cool the circulating water by 15-20 ℃, and air is exhausted into the atmosphere through a cooling induced draft fan when the top of the dehumidifying tower is at 20-25 ℃. The circulating cooling water at the bottom of the humidifying-dehumidifying tower can flow by opening a valve periodically, and normal-temperature water can be injected into the bottoms of the two towers firstly when the system is started. The flow of the cooling air induced draft fan is 2000m³H is used as the reference value. And then, the temperature of cooling spray water at the bottom of the air dehumidification tower is always kept to be not more than 21 ℃ in operation so as to meet the design requirement, and the cooled cooling water is taken as reflux cooling water to be continuously recycled. After 1 week of operation, the cooling effect and water drift rate were measured, and the results are shown in Table 2.

TABLE 2 high-temperature water and high-specific-surface-area hydrophilic structured packing humidifying-dehumidifying tower cooling process parameters

It can be seen that the process not only achieves the high-efficiency temperature reduction of the circulating hot water, but also recovers the moisture in the cooling air, and simultaneously, is different from the conventional closed cooling tower, because all the packed towers are filled with the micro-interface high-specific-surface-area hydrophilic packing, the mass transfer and heat transfer efficiency is very high, and the packed towers operate at normal pressure, only one cooling induced draft fan is used for a plurality of towers, and the modules are connected and assembled, so that the occupied area and the manufacturing cost as well as the investment and the operation cost are reduced, and the process has extremely high popularization.

Referring to fig. 2, a schematic structural diagram of a closed air cooling tower system based on micro-interface hydrophilic packing according to an embodiment of the present application is shown, for convenience of description, only the portions related to the embodiment are shown, and the detailed description is as follows:

the second aspect of the embodiment of the application provides a closed air cooling tower system based on hydrophilic filler of miniinterface, a cooling process is carried out to high-temperature water, it includes humidifying tower 1 and dehumidification tower 2, humidifying tower 1 is equipped with the hydrophilic filler 3 of miniinterface high specific surface area with the inside of dehumidification tower 2, the hydrophilic filler 3 top of miniinterface high specific surface area is equipped with cooling coil 4, two cooling coil 4 are linked together, high-temperature water 6 flows in cooling coil 4 through inlet tube 11, humidifying tower 1's top and dehumidification tower 2's top set up the shower water entry respectively, the shower water, the hydrophilic filler of miniinterface high specific surface area and ambient air cool down high-temperature water 6 inside humidifying tower 1 and dehumidification tower 2, obtain the recycled water.

Specifically, the humidifying tower and the dehumidifying tower are both designed into cylindrical towers, and the size is as follows: the length x width x height is 1000x1000x3600, the cooling coil 4 adopts a red copper coil of DN50, air inlet grids 10 are symmetrically arranged at two sides of the bottom of the humidifying tower 1, an air inlet grid 10 is arranged at one side of the bottom of the dehumidifying tower 2 close to the water outlet pipe 12, ambient air enters the humidifying tower 1 and the dehumidifying tower 2 from the air inlet grid 10, cooling water storage tanks are arranged at the bottoms of the humidifying tower 1 and the dehumidifying tower 2, spraying cooling water is provided for the interior of the humidifying tower 1 and the interior of the dehumidifying tower 2 through the cooling water storage tanks, the cooling water storage tanks inside the humidifying tower 1 spray cooling water to the top of the humidifying tower 1 through a circulating cooling water pump 5, the spraying water, the hydrophilic packing 3 with the high specific surface area of the micro interface and the ambient air cool high-temperature water inside the humidifying tower to obtain primary recovered water, the primary recovered water contacts the spraying water, the hydrophilic packing 3 with the ambient air in the dehumidifying tower 2, and obtaining recovered water, continuously pumping the recovered water cooled by air cooling and circulating spray water in the dehumidification tower 2 into the top of the dehumidification tower 2 through a dehumidification tower water pump 7 for spraying, continuously contacting with ambient air and the hydrophilic filler 3 with the high specific surface area of the micro interface for cooling, finally flowing into the bottom of the dehumidification tower 2 through a water outlet pipe 12 arranged at an inlet of an air inlet grid 10 of the dehumidification tower to finish a cooling cycle, wherein the air flow and the spray circulation quantity of the cooling water ensure that the temperature of the recovered water is reduced to 20-22 ℃ and can be used as spray cooling water for continuous circulation use, and the ambient air dehumidified in the dehumidification tower 2 is discharged into the atmosphere through a draught fan 8 arranged at the top of the dehumidification tower 2.

Referring to fig. 3, a schematic structural diagram of a closed air cooling tower system based on micro-interface hydrophilic packing according to another embodiment of the present application is shown, for convenience of description, only the portions related to this embodiment are shown, and the detailed description is as follows:

the rest is the same as the above, except that: the dehumidification tower sets up to two, the next stage of dehumidification tower 2 sets up second dehumidification tower 9, elementary recovered water obtains the recovered water after dehumidification tower 2 and second dehumidification tower 9 cooling, cooling coil homogeneous phase intercommunication in each tower, outlet pipe 12 is installed in the inside of second dehumidification tower 9, elementary recovered water is cooled down step by step through each dehumidification tower, until the recovered water temperature drops to 20-22 ℃, continue to squeeze into the cooling aqua storage tank through the pump and recycle, the ambient air after the inside dehumidification of dehumidification tower is discharged into the atmosphere through draught fan 8 at second dehumidification tower 9 top.

In summary, the closed air cooling tower process and system based on the micro-interface hydrophilic packing provided by the invention have the advantages that the micro-interface hydrophilic regular packing is filled in the tower, and the specific surface area is as high as 2500m²/m³The mass transfer and heat transfer efficiency of the filler humidifying tower and the filler dehumidifying tower is improved; cooling coils made of metal conductors are mounted at the tops of the humidifying tower and the dehumidifying tower, the cooling coils of the towers are communicated, high-temperature water is in the coils, ambient air and spray water are in the shell, an air inlet grid is designed on the side surface of the bottom of each tower, a water inlet pipeline and a water outlet pipeline are designed at the inlet of the air grid, and air coming out of the dehumidifying tower can be introduced into the atmosphere through an induced draft fan; the cooled recovered water is used as reflux cooling water for continuous use. The process not only achieves the cooling of high-temperature water, but also skillfully carries out further cooling and the recovery of moisture in the air by utilizing an air-cooled humidifying-dehumidifying packed tower, so that the invention has extremely high thrustThe water consumption of the open cooling tower is high, the problem that the occupied area is large due to the design of a water tank and the problem that the water runaway rate and the energy consumption are high due to the fact that a traditional closed filler cooling tower induced draft fan is too much is solved.

Various embodiments are described herein for various devices, circuits, apparatuses, systems, and/or methods. Numerous specific details are set forth in order to provide a thorough understanding of the overall structure, function, manufacture, and use of the embodiments as described in the specification and illustrated in the accompanying drawings. However, it will be understood by those skilled in the art that the embodiments may be practiced without such specific details. In other instances, well-known operations, components and elements have been described in detail so as not to obscure the embodiments in the description. It will be appreciated by those of ordinary skill in the art that the embodiments herein and shown are non-limiting examples, and thus, it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.