CN212645486U - Cooling tower equipment with haze removing function - Google Patents

Abstract

The utility model discloses a cooling tower equipment with remove haze function, include: the central processing equipment comprises a gas chamber cavity, a first gas inlet, a second gas inlet and a plurality of mixed gas outlets, wherein the first gas inlet is communicated with an air outlet of the cooling tower, the second gas inlet is communicated with ambient air, the first gas inlet and the second gas inlet are respectively provided with a thermometer and a hygrometer, and each mixed gas outlet is provided with a valve; the central processing equipment is in communication connection with each thermometer and each hygrometer so as to draw an air break-wet graph, obtain an isenthalpic line of saturated hot and humid air and draw a mixed gas state line on the air break-wet graph; the central processing device is in communication with the valve at each of the mixed gas outlets and opens the valve to discharge the mixed air in the chamber forming a mist of water when the mixed gas state line passes through the humid air supersaturated zone or is on the isenthalpic line of saturated humid hot air.

Description

Cooling tower equipment with haze removing function

Technical Field

The utility model relates to a cooling arrangement technical field especially relates to a novel cooling tower system.

Background

At present, a mechanical ventilation cooling tower is a necessary matching product for a central air conditioner, and the cooling tower is required to supply water for cooling so as to ensure the normal operation of an air conditioning unit. In large and medium-sized buildings in cities, the roof of the building in which a central air conditioner is installed must be provided with cooling tower unit equipment. The operation rule of the cooling tower is that the cooling tower works in three months in summer, and is idle in other times, particularly in autumn and winter.

Cooling towers are devices that use water as a circulating coolant to absorb heat from a system and discharge it to the atmosphere to reduce the temperature of the water. Hot water in the cooling tower flows and contacts with air, then carries out heat exchange to generate steam, the steam volatilizes and takes away heat to achieve the purposes of evaporation heat dissipation, convection heat transfer and radiation heat transfer, and waste heat generated in industry is dissipated to reduce the water temperature so as to ensure the normal operation of the system.

The traditional cooling tower mainly comprises a tower body, an axial flow fan, a circulating water pump, a water distributor, a spray header, cooling fillers, a water collecting tank, a water collector and the like, wherein process hot water is pumped and transported to the water distributor in the tower by the circulating water pump, is uniformly sprayed on the cooling fillers through the spray header and flows downwards along the surfaces of the fillers, meanwhile, under the driving of a fan blade of the axial flow fan at the top of the tower, ambient cold air enters the tower from an air inlet louver window at the lower part of the tower body and upwards passes through the cooling filler layer, a water mist area and the water collector until the air is discharged out of the tower, in the process, most of water films formed on the surfaces of the cooling fillers exchange heat with the cold air to be evaporated, and meanwhile, waste heat water and the cold air exchange heat are in contact with the cold air to gradually reduce the temperature of the hot water so as to achieve the purpose.

In the process of heat exchange between cold air in the cooling tower and circulating water with waste heat, a large amount of heat and water vapor are taken away by damp and hot air due to evaporation of cooling water, so that the temperature and the humidity of the damp and hot air are higher, the damp and hot air is discharged out of the tower and is contacted with the cold air, the temperature is immediately reduced, condensation is carried out to form white mist, and the lower the external environment temperature is, the more the formed white mist is, and the more the formed white mist is.

In the current stage, in order to control the urban haze and the excessive content of particulate matters, a large number of watering lorries and fog gun trucks are used by an environmental sanitation department and run in the city in a flowing, intermittent and circulating mode.

Because central air conditioning's cooling tower has the function that can make the fog, consequently can be in the high autumn and winter that sends out of haze, with the fixed cooling tower of a large amount of dispersions in the city under the prerequisite that does not influence its summer heat dissipation function, increase the atomizer of moisturizing device, reform transform into its water cannon device of fixed position to be favorable to removing the haze in city and reducing particulate matter content.

Chinese patent application publication No. 201820451528.4 discloses an atomizing device of utilizing central air conditioning condensate water, including first water pipe, the one end of first water pipe is connected with the air conditioner outlet pipe, the other end of first water pipe is connected with the storage water tank, the storage water tank still is connected with the one end of second water pipe, the other end of second water pipe is connected with the water purification case, the water purification case still is connected with the one end of third water pipe, the other end of third water pipe is connected with the atomizer, the atomizer is connected with the atomizing pipe, the other end of atomizing pipe is connected with atomizing nozzle, still including the liquid medicine case that is equipped with the disinfection liquid medicine that disinfects, the liquid medicine case is connected with the atomizer through the fourth water pipe. However, the atomization device using condensed water of the central air conditioner of the patent application needs to use an atomizer and an atomization nozzle, and does not solve the problem of reducing haze by discharging water mist from an air conditioner cooling tower.

Therefore, the problem that the cooling tower equipment which can ensure the normal use of the central air conditioner and has the haze removing function is urgently needed to be solved in the industry is provided.

Disclosure of Invention

The utility model aims at providing a cooling tower equipment with remove haze function, it can be under the circumstances of guaranteeing central air conditioning normal use, set up the air chamber in the air exhaust nozzle department of cooling tower, utilize central processing unit adjustment cooling tower exhaust damp and hot air and ambient air to form atomizing aqueous vapor, with atomizing water injection to the sky, form fixed water cannon effect, reach the effect of preventing the haze defogging then.

In order to achieve the above object, the utility model provides a cooling tower equipment with remove haze function, include: gas chamber and central processing apparatus, wherein, the gas chamber includes: the air chamber comprises an air chamber cavity, a first air inlet arranged at the bottom of the air chamber cavity, a second air inlet arranged on the side wall of the air chamber cavity and a plurality of mixed air outlets arranged on the top wall of the air chamber cavity, wherein the first air inlet is communicated with an air outlet of a cooling tower to collect hot and humid air exhausted by an air-conditioning cooling tower, the second air inlet is communicated with ambient air to introduce the ambient air into the air chamber cavity, a first thermometer and a first hygrometer are arranged at the first air inlet to monitor the temperature and humidity of the hot and humid air in real time, a second thermometer and a second hygrometer are arranged at the second air inlet to monitor the temperature and humidity of the ambient air in real time, and a valve is arranged at each mixed air outlet; the central processing equipment is in communication connection with the first thermometer and the first hygrometer so as to draw an air break-wet diagram according to the temperature and the humidity of the hot and humid air measured by the first thermometer and the first hygrometer and obtain an isenthalpic line of the saturated hot and humid air; the central processing equipment is in communication connection with the second thermometer and the second hygrometer so as to draw a mixed gas state line on the air break-wet diagram; the central processing device is in communication connection with the valve at each mixed gas outlet, so that when the mixed gas state line passes through an air break-wet area in a wet air supersaturation diagram or is on an isenthalpic line of saturated hot and humid air, the valve is opened to discharge mixed air in the air chamber forming water mist to reduce urban haze.

Alternatively, a plurality of mixed gas outlets are arranged at equal intervals from each other.

Optionally, each mixed gas outlet is also provided with a pressurizing nozzle which is in communication connection with the central processing equipment so as to discharge the mixed gas in the gas chamber by using the pressure of 2-2.5 atm.

Alternatively, the pressurized nozzle is a single-headed one-way nozzle or a multi-headed nozzle.

Preferably, the multi-headed nozzle is provided with three nozzles arranged in an equilateral triangle.

Optionally, the cooling device is in communication connection with the central processing unit, and is provided with a normal temperature air inlet and a cooling air outlet, wherein the normal temperature air inlet is communicated with ambient air to introduce the ambient air into the cooling device, and the cooling air outlet is communicated with a second gas inlet of the air chamber, so that when a mixed gas state line does not pass through a humid air oversaturation area in an air break-humid map and is not on an isenthalpic line of saturated humid hot air, the ambient air is cooled by the cooling device and then enters the air chamber until the obtained mixed gas state line of the obtained humid hot air and the obtained cooled ambient air according to real-time monitoring passes through a humid air oversaturation area in the air break-humid map or is on an isenthalpic line of the saturated humid hot air.

Optionally, the cooling device controls the temperature difference between the cooled ambient air and the hot and humid air in the air chamber to be 30-40 degrees centigrade, wherein the temperature of the hot and humid air is higher than the temperature of the ambient air.

Optionally, further include the haze monitoring facilities who is used for monitoring the coming of haze and intensity, haze monitoring facilities and central processing unit communication connection.

Optionally, the pressurizing nozzle is a nozzle with an adjustable head angle, so that under the control of the central processing device, the spraying direction of the water mist is changed according to the haze acquired by monitoring the haze monitoring device.

Optionally, a filter dust collector is arranged between the air outlet of the cooling tower and the first gas inlet of the air chamber to remove dust and impurities in the hot and humid air discharged from the cooling tower.

The utility model has the advantages that: (1) according to the temperature and humidity of the hot and humid air discharged by the cooling tower and the temperature and humidity of the ambient air, the discharged air can be adjusted to be in a water mist shape and sprayed to the sky, a fixed water cannon effect is formed, and the effects of preventing haze and removing fog are achieved; (2) the structure of the original central air-conditioning system does not need to be changed, and the air-conditioning system can be realized by additionally arranging an air chamber and a central processing device on the outside, so that the cost of the whole system is low; (3) the direction and the intensity of spraying can be adjusted at any time to and the concentration of monitoring haze to the effect of preventing haze defogging has further been improved.

Drawings

Fig. 1 is the utility model discloses a cooling tower equipment with remove haze function's structural schematic.

Fig. 2 is a schematic diagram of the air break-moisture map of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, as a non-limiting embodiment, the cooling tower apparatus with haze removing function of the present invention includes: a gas cell 10 and a central processing apparatus 20.

Wherein, the air chamber 10 includes: a gas chamber body 100, a first gas inlet 101, a second gas inlet 102, and a number of mixed gas outlets 103.

The first gas inlet 101 communicates with the cooling tower exhaust outlet 60 so that the hot and humid air exhausted from the air conditioning cooling tower can be collected in the air chamber cavity 100. The first gas inlet 101 is provided with a first thermometer T1 and a first hygrometer H1, so that the temperature and humidity of the hot and humid air can be monitored in real time.

The second gas inlet 102 is in communication with ambient air so that ambient air may be introduced into the air chamber cavity 100. A second thermometer T2 and a second hygrometer H2 are provided at the second gas inlet 102 so that the temperature and humidity of the ambient air can be monitored in real time.

A valve V is arranged at each mixed gas outlet 103.

The central processing unit 20 is communicatively connected to the first thermometer T1 and the first hygrometer H1, and is configured to receive the temperature and the humidity of the hot and humid air measured by the first thermometer T1 and the first hygrometer H1, and draw an air break-wet map (as shown in fig. 2) according to the temperature and the humidity of the received hot and humid air, and obtain an isenthalpic line of saturated hot and humid air, as shown in fig. 2, a curve Q1 is a hot and humid air isenthalpic line with a humidity of 100%, a curve Q2 is a hot and humid air isenthalpic line with a humidity of 80%, a curve Q3 is a hot and humid air isenthalpic line with a humidity of 60%, a curve Q4 is a hot and humid air isenthalpic line with a humidity of 40%, and a curve Q5 is a hot and humid air isenthalpic line with a humidity of 20%.

The central processing unit 20 is also communicatively connected to a second thermometer T2 and a second hygrometer H2 to receive the temperature and humidity of the ambient air and to draw a mixed gas status line on an air break-wet graph. As shown in fig. 2, B is saturated hot humid air of the filler, and a point a is ambient air, i.e., atmospheric state. And (3) a connecting line between a point B of the saturated humid hot air state of the filler and a point A of the ambient air state is a straight line, and a mixed gas state line is obtained.

The central processing apparatus 20 is communicatively connected to the valve V at each mixed gas outlet 103, so that when the mixed gas state line passes through the humid air oversaturation region in the air break humid map or is on the isenthalpic line of saturated humid hot air, the valve V is opened to discharge the mixed air in the air chamber forming the water mist to reduce the city haze, that is, in the moderate state of the cooling tower exhaust and atmosphere as shown in fig. 2, the BA line is above the isenthalpic line, belonging to the oversaturated state, so that a large amount of water mist is generated outside the exhaust outlet of the cooling tower.

As shown in FIG. 1, the mixed gas outlets 103 are arranged at equal intervals, and each mixed gas outlet is further provided with a pressurizing nozzle in communication connection with the central processing device so as to discharge the mixed air in the air chamber at a pressure of 2-2.5 atm.

As another non-limiting embodiment, a cooling device 30 is also included that is communicatively coupled to the central processing device 20. As shown in fig. 1, the cooling device 30 is provided with a normal temperature air inlet 301 and a cooling air outlet 302, the normal temperature air inlet 301 is communicated with the ambient air to introduce the ambient air into the cooling device 30, and the cooling air outlet 302 is communicated with the second gas inlet 102 of the plenum 10.

Therefore, when the mixed gas state line does not pass through the air break-wet area in the wet-air supersaturation diagram and is not on the isenthalpic line of the saturated wet-hot air, the mixed gas state line cools the ambient air through the cooling equipment and then enters the air chamber until the mixed gas state line obtained according to the temperature of the wet-hot air obtained through real-time monitoring and the cooled ambient air is in the wet-air supersaturation area in the air break-wet diagram or on the isenthalpic line of the saturated wet-hot air, the valve V at the mixed gas outlet 103 is opened again, and the mixed air in the air chamber forming water mist is discharged.

In this non-limiting embodiment, the cooling apparatus controls the temperature difference between the cooled ambient air and the hot and humid air in the air room to be 30 to 40 degrees Celsius, whereby the workload of the central processing apparatus 20 can be reduced.

As a further non-limiting embodiment, further comprising a haze monitoring device 40 for monitoring the incoming and the intensity of haze, the haze monitoring device 40 is still communicatively connected to the central processing device 20. Correspondingly, the pressurizing nozzle is set to be a nozzle with an adjustable head angle, so that the spraying direction of the water mist is changed according to the acquired haze monitored by the haze monitoring device 40 under the control of the central processing device 20.

In order to ensure the cleanness of the spray, the system further comprises a filter dust collector 50 arranged between the air outlet 60 of the cooling tower and the first gas inlet 101 of the air chamber 10, so that dust and impurities in the hot and humid air discharged from the cooling tower can be removed firstly, the water mist sprayed to the atmosphere is ensured not to contain impurities, and the atmosphere is prevented from being secondarily polluted.

Although preferred embodiments of the present invention have been described in detail herein, it is to be understood that the invention is not limited to the precise construction and steps herein shown and described, and that other modifications and variations may be effected by one skilled in the art without departing from the spirit and scope of the invention. Furthermore, the utility model provides a parameter can be according to specific service condition is in the utility model discloses an within appropriate selection.

Claims (6)

1. The utility model provides a cooling tower equipment with remove haze function, includes air chamber and central processing unit, its characterized in that, the air chamber includes: air chamber cavity, locate the first gas inlet of air chamber cavity bottom, locate the second gas inlet of air chamber cavity lateral wall and locating a plurality of mist outlet of air chamber cavity roof, first gas inlet with the air exit of cooling tower is linked together in order to collect the exhaust damp and hot air of air conditioner cooling tower, the second gas inlet with ambient air be linked together in order to leading-in ambient air in the air chamber cavity, first gas inlet is equipped with first thermometer and first hygrometer with real-time supervision the temperature and the humidity of damp and hot air, the second gas inlet is equipped with the temperature and the humidity of second thermometer and second hygrometer with real-time supervision ambient air, every the mist outlet all is equipped with the valve.

2. The cooling tower apparatus with haze removing function as claimed in claim 1, wherein said plurality of mixed gas outlets are arranged at equal intervals from each other.

3. The cooling tower apparatus with haze removal function as claimed in claim 2, wherein each of said mixed gas outlets is further provided with a pressurized nozzle communicatively connected to said central processing apparatus.

4. The cooling tower apparatus with haze removing function as claimed in claim 3, wherein said pressurizing nozzle is a single-headed one-way nozzle or a multi-headed nozzle.

5. The cooling tower apparatus with haze removal function as claimed in claim 1, further comprising a cooling apparatus communicatively connected to said central processing apparatus, said cooling apparatus having an ambient air inlet and a cooling air outlet, said ambient air inlet being in communication with ambient air to introduce ambient air into said cooling apparatus, said cooling air outlet being in communication with said second gas inlet of said plenum.

6. The cooling tower apparatus with haze removal functionality according to claim 1, further comprising a haze monitoring device for monitoring incoming and incoming intensity of haze, said haze monitoring device communicatively connected to said central processing device.

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