CN209416091U - A kind of cooling equipment of condensation - Google Patents

Abstract

The cooling equipment of condensation disclosed by the utility model, including atomization system and heat exchanger, atomization system includes blowing device and atomising device, spray chamber air feed of the blowing device to atomising device, if being equipped with dry nebulizer in atomising device, atomizer is connected to by circulating line with spray chamber bottom, and circulating line is equipped with water circulating pump, and spray chamber bottom is connected with water replanishing device；Heat exchanger includes the heat source import collection chamber, aerosol flow chamber and thermal source outlet collection chamber for successively separating setting, heat exchange element is equipped in aerosol flow chamber, aerosol flow chamber is equipped with aerosol entrance and air outlet, heat exchange element is connected to heat source import collection chamber and thermal source outlet collection chamber respectively, and the aerosol exit of spray chamber is connect by air hose with aerosol entrance.The cooling equipment of the condensation of the utility model, atomising device generates the steam mixing mist for entering heat exchanger, and is evenly distributed in aerosol flow chamber and contacts with heat exchange element, and the heat of the mist absorption heat-exchange element of smaller size smaller evaporates rapidly, and mass-and heat-transfer is high-efficient.

Description

A condensing cooling device

technical field

The utility model belongs to the technical field of mass transfer and heat transfer, in particular to a condensation cooling device.

Background technique

The existing evaporative condensation cooling device integrates a heat exchanger, a cooling tower, a circulating water pump, a water pool, and a water pipeline, and occupies a large space. The assembly and application on equipment that requires heat dissipation and cooling has certain space limitations. Moreover, most existing cooling devices use water distributors or spraying methods to form a water film on the outer surface of the heat exchange tubes, and then use strong wind to take away the steam generated by the evaporation of the water film to achieve the cooling effect, and the water is ventilated before it is completely evaporated. Take away, the efficiency of mass transfer and heat transfer is not high, and the cooling effect is not ideal.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a condensation cooling device with high mass and heat transfer efficiency.

In order to achieve the above object, the utility model adopts the following technical solutions:

A condensing cooling device, including an atomization system and a heat exchanger, the atomization system includes a blowing device and an atomization device, the blowing device supplies air to the atomization chamber of the atomization device, and several atomization devices are arranged in the atomization device The atomizer communicates with the bottom of the atomization chamber through a circulation pipeline, a circulating water pump is installed on the circulation pipeline, and a water supply device is connected to the bottom of the atomization chamber; the heat exchanger includes a heat source inlet collection chamber, an aerosol flow chamber and A heat source outlet converging chamber, the gas mist flow chamber is provided with a heat exchange element, and the aerosol flow chamber is provided with an aerosol inlet and an air outlet, and the heat exchange element is respectively connected with the heat source inlet confluence chamber and the heat source outlet confluence chamber, atomizing The gas mist outlet of the chamber is connected with the gas mist inlet through an air duct.

Compared with the prior art, in the condensing cooling equipment of the present utility model, the atomization device generates water vapor mixed mist entering the heat exchanger, and is evenly distributed in the aerosol flow chamber in contact with the heat exchange element, and the smaller volume of mist The heat absorbed by the heat exchange element evaporates quickly, the mass transfer and heat transfer efficiency is high, and the cooling effect is good; moreover, the atomization system and the heat exchanger are set separately, which improves the flexibility of installation and facilitates the application and assembly of equipment.

Further, it also includes an ejector and a high-pressure blower, and the high-pressure blower and the air outlet are connected to the ejector respectively, and the high-pressure blower provides high-pressure airflow to the ejector; because, after the existing water film evaporates, a relatively saturated humidity is formed. Steam will form "white smoke" when it is discharged. With this setting, the relative humidity will decrease after the mist discharged from the air outlet mixes with the high-pressure wind outside, and the humidity will change from saturated to unsaturated. The discharged gas will not be affected by contact with the cold air outside. Water droplets are precipitated to avoid the phenomenon of "white smoke".

Further, the heat exchange element is a finned tube, and the inner cavity of the finned tube communicates with the heat source inlet and collection chamber and the heat source outlet and collection chamber. Through such arrangement, the finned tube has high heat exchange efficiency and good use effect.

Further, the aerosol flow chamber is provided with a spiral deflector, the gas mist inlet and air outlet are respectively arranged at the two ends of the spiral deflector, and the heat exchange element passes through the spiral deflector; The mist vapor in the exchanger is guided by the spiral guide plate to form a good turbulent flow effect. After the water vapor is fully mixed, it flows through the heat exchange element tangentially, so that the water mist absorbs heat from the heat exchange element and evaporates quickly, further improving mass transfer and heat transfer. efficiency.

Further, the bottom of the aerosol flow chamber is provided with a drain port, and the drain port is connected to the circulating water pump through the return pipe, and the return pipe is provided with a one-way valve; by setting in this way, the incompletely evaporated water in the heat exchanger Moisture is in contact with the heat exchange element and condenses on it, and finally it is discharged from the discharge port due to the concentration under gravity, and is recycled by the atomization device, and the resource utilization rate is high.

Further, the atomization device includes an atomization cylinder, the inner cavity of the atomization cylinder is the atomization chamber, the atomizer is an atomization nozzle, the bottom of the atomization cylinder is provided with an air inlet, and the blowing device is connected to the air inlet; With this arrangement, the airflow generated by the blowing device is first mixed with the water mist from the atomizing nozzle and then discharged through the air mist outlet to ensure that the airflow carries water mist.

Further, a valve is provided on the water supply branch of the atomizer, and the valve is used to adjust the water intake of the atomizer; by setting in this way, it is convenient to control the mist output of the atomizer according to the needs of users. convenient.

Further, a filter is provided between the blowing device and the air inlet; with this structure, impurities such as solid particles in the air are effectively filtered out, and impurities in the inner cavity of the atomizing device are avoided.

Further, the water supply device includes a water level control device and a water valve, the water valve is used to connect with the water supply pipeline, the water level control device is arranged at the bottom of the atomization chamber, and the water level control device is set according to the preset water level of the atomization chamber The change of the height opens or closes the water valve; through this setting, it is better to make the atomization chamber have enough water to ensure that the atomization device generates sufficient water mist.

Further, a number of air distribution pipes are provided at the bottom of the atomization chamber, and the air distribution pipes are connected to the air inlet; this arrangement facilitates the uniform mixing of the airflow entering the atomization cylinder with the water mist.

Description of drawings

Fig. 1 is the schematic diagram of the utility model condensation cooling equipment.

Detailed ways

The technical scheme of the utility model is illustrated below in conjunction with accompanying drawing:

Referring to Fig. 1, the condensing cooling equipment of the present utility model comprises atomization system and heat exchanger, and described atomization system comprises blowing device 1 and atomizing device, and described blowing device 1 is blower fan, and blowing device 1 is to atomizing device There are several atomizers in the atomization device, and the atomizers communicate with the bottom of the atomization chamber through the circulation pipe 26. The circulation pipe 26 is provided with a circulating water pump 27, and the bottom of the atomization chamber is connected with a water supply device. The heat exchanger includes a heat source inlet converging chamber 33, an aerosol flow chamber 34, and a heat source outlet converging chamber 35 that are sequentially separated from top to bottom. The air mist flow chamber 34 is provided with a heat exchange element 302, the air mist flow chamber 34 is provided with an air mist inlet 31 and an air outlet 32, and the heat exchange element 302 is connected to the heat source respectively. The inlet and collection chamber 33 communicates with the heat source outlet and collection chamber 35 , and the gas mist outlet 24 of the atomization chamber is connected to the gas mist inlet 31 through the air duct 240 . For equipment that needs heat dissipation and cooling, heat sources such as steam, hot water, or heat carriers generated by it enter the heat exchanger from the heat source inlet collection chamber 33, and then flow out to the heat source outlet collection chamber 35 through the heat exchange element. Flow chamber 34 is completed.

Compared with the prior art, in the condensing cooling equipment of the present utility model, the atomization device generates water vapor mixed mist entering the heat exchanger, and is evenly distributed in the aerosol flow chamber 34 in contact with the heat exchange element 302, and the smaller volume The mist absorbs the heat of the heat exchange element 302 and evaporates quickly, with high mass and heat transfer efficiency and good cooling effect; moreover, the atomization system and the heat exchanger are separately arranged, which improves the flexibility of installation and facilitates the application and assembly of equipment.

As a preferred solution, it also includes a jet 41 and a high-pressure blower 42, the air outlet 32 is connected to the side of the jet 41 through an air outlet pipe 320, and the air outlet of the high-pressure blower 42 is connected to the jet through the high-pressure air pipe 420. The bottom of the nozzle 41 is connected, and the high-pressure blower 42 is used to provide a high-pressure airflow mixed with the mist, and the mist discharged from the air outlet 32 enters the inner cavity of the ejector 41 from the side, and at the same time, the high-pressure airflow provided by the high-pressure blower 42 The wind enters the inner cavity of the ejector 41 from the bottom and mixes with the mist and then is discharged through the outlet of the ejector 41; because the existing water film evaporates to form steam with relatively saturated humidity, which will form "white smoke" when it is discharged. , the relative humidity of the mist discharged from the air outlet 32 is mixed with the external high-pressure wind, and the relative humidity decreases, and the humidity changes from saturated to unsaturated. The discharged gas will not precipitate water droplets due to contact with the external cold air, avoiding the phenomenon of "white smoke".

As a preferred solution, the aerosol flow chamber 34 is provided with a spiral deflector 301, and the spiral deflector 301 is vertically arranged, and the gas mist inlet 31 and the air outlet 32 are respectively arranged at the first and last ends of the spiral deflector 301. At the end, the heat exchange element 302 passes through the spiral deflector 301 vertically; through this arrangement, the mist entering the heat exchanger is guided through the spiral deflector 301 to form a good turbulent flow effect, and the water vapor is fully mixed and tangential flow Through the heat exchange element 302, the water mist evaporates quickly after absorbing heat from the heat exchange element 302, further improving the efficiency of mass transfer and heat transfer.

As a preferred solution, the heat exchange element 302 is a finned tube, the inner cavity of the finned tube communicates with the heat source inlet and collection chamber 33 and the heat source outlet and collection chamber 35, and the finned tube is provided with a plurality of, the The finned tubes run through the spiral deflector 301 in the vertical direction; through such arrangement, the finned tubes have high heat exchange efficiency and good use effect.

As a preferred solution, the bottom of the aerosol flow chamber 34 is provided with a drain port 36, and the drain port 36 is connected to the circulating water pump 27 through the return pipe 360, and the return pipe 360 is provided with a one-way valve 37, which is controlled by the one-way valve 37. The aerosol flow chamber 34 generates water to flow to the atomizing device; through such arrangement, the incompletely evaporated moisture in the heat exchanger contacts the heat exchange element 302 and condenses on it, and finally is discharged from the discharge port after converging due to gravity, and It is recycled by the atomization device, and the resource utilization rate is high.

As a preferred solution, the atomization device includes an atomization cylinder 21, the inner cavity of the atomization cylinder 21 is the atomization chamber, and the atomizer is an atomization nozzle 22, and the atomization nozzle 22 is arranged in the atomization cylinder 21 The upper part of the chamber, the atomizing nozzle 22 is provided with a plurality, and is connected with the water storage chamber 23 at the bottom of the atomizing cylinder 21 through the circulating pipeline 26, and the bottom of the atomizing cylinder 21 is provided with an air inlet 25, and the blowing device 1 is connected with the air inlet The tuyere 25 communicates, and the circulating water pump 27 drains the water body of the water storage chamber 23 to the atomizing nozzle 22 to spray water mist, and mixes with the airflow generated by the blowing device 1 and discharges it to the aerosol flow chamber 34 through the aerosol outlet 24; Arranged in this way, the airflow generated by the blowing device 1 is first mixed with the water mist from the atomizing nozzle 22 and then discharged through the aerosol outlet 24 to ensure that the airflow is carried with water mist. Further, a valve 201 is provided on the water supply branch of the atomizer, the water supply branch is the circulation pipeline 26, and the valve 201 is used to adjust the water intake of the atomizer; The mist output of the atomization device is controlled according to the needs of users, which is convenient to use.

As a preferred solution, the air inlet 25 is provided with a wind cabinet 251, and the wind cabinet 251 is provided with a filter 252, and the blowing device 1 is connected with the air inlet 25 through the wind cabinet 251; adopting this structure, effectively Filter out impurities such as solid particles in the air to avoid accumulation of impurities in the inner cavity of the atomizing device.

As a preferred solution, the water replenishment device includes a water level control device 29 and a water valve, the bottom of the atomization cylinder 21 is provided with a water replenishment port 28, and the water valve is arranged at the water replenishment port 28 for connection with the water supply pipeline. The water level control device 29 is arranged at the bottom of the atomization chamber, and the water level control device 29 opens or closes the water valve according to the change of the preset water level of the atomization chamber; specifically (not shown in the figure), in one embodiment Among them, the water level control device 29 is a float switch, and the float switch includes a float body, a lever and a lever connection seat, the float body is set on the water level of the water storage chamber 23, and the middle part of the lever is hinged on On the lever connecting seat, its two ends are respectively connected with the floating ball and the normally closed water valve, and the lever connecting seat is arranged at the bottom of the water storage chamber 23. When the water level of the water storing chamber 23 gradually drops, the floating ball will Pull up the normally closed water valve in the way of lever principle to open the water supply port 28 to replenish water until the water level gradually rises to the preset position, and the floating ball gradually releases the force on the normally closed water valve as the water level rises. The normally closed water valve automatically closes the water replenishment port 28 to stop the water replenishment; by setting in this way, the water storage chamber 23 of the atomizing cylinder 21 has sufficient water volume to ensure that the atomizing device produces sufficient water mist.

Further, an air distribution pipe 202 is arranged below the atomizing nozzle 22 in the atomization cylinder 21, and the air distribution pipe 202 is connected to the air inlet 25; the air distribution pipe 202 makes the air flow entering the atomization cylinder 21 uniform Arranged in a dispersed manner, through such arrangement, it is convenient for the airflow entering the atomizing cylinder 21 to mix with the water mist evenly.

When the condensation cooling equipment of the present utility model works, heat sources such as steam, hot water, and heat carrier enter the heat exchanger from the heat source inlet collection chamber 33, and then flow out of the heat source outlet collection chamber 35 through the inner wall of the finned tube in the aerosol flow chamber 34. , the heat exchange process is completed in the aerosol flow chamber 34. The cooling medium in the aerosol flow chamber 34 comes from the mist generated by the atomizing device. First, the blowing device 1 sends the incoming air into the wind cabinet 251, and the filter 252 filters out impurities such as water droplets and solid particles in the air, and then passes through The air distribution pipe evenly distributes the airflow at the bottom of the atomizing tube 21, and the air flows upward at a uniform speed and mixes with the water mist generated by the atomizing nozzle 22 to form a uniform mist. The mist enters the aerosol flow chamber 34 from the aerosol outlet 24 through the air pipe 240, and flows tangentially through the outer surface of the finned tube under the action of the spiral deflector 301, forming a good turbulent flow effect at every position where it flows. , The heat transfer coefficient of the outer surface of the finned tube is very high, and the water mist quickly absorbs heat from the finned tube to become water vapor and blends into the air, effectively improving the heat transfer and mass transfer efficiency. The water vapor is discharged from the air outlet 32 along with the air, condenses or cools after flowing through the heat source inside the finned tube, and then flows into the heat source outlet collection cavity 35 . The small water droplets that have not evaporated completely in the aerosol adhere to the tail of the finned tube due to collision, flow downward under the action of gravity, and are discharged from the drain port 36 after being collected, and flow to the atomization through the return pipe under the action of the check valve 37 In the water storage chamber 23 of the cylinder 21, the air outlet 32 is connected to the ejector 41 through the air outlet pipe. The aerosol is fully mixed and then discharged from the air. After the aerosol is mixed with fresh high-pressure air, the relative humidity decreases and changes from a saturated state to an unsaturated state. The discharged gas will not precipitate water droplets due to contact with external cold air, avoiding "white smoke" Phenomenon.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims (10)

1. A condensation cooling device, characterized in that: comprise an atomizing system and a heat exchanger, the atomizing system comprises a blower and an atomizing device, the blowing device supplies air to the atomizing chamber of the atomizing device, and the atomizing device There are a number of atomizers inside, the atomizers are connected to the bottom of the atomization chamber through the circulation pipeline, the circulation pipeline is equipped with a circulating water pump, and the bottom of the atomization chamber is connected with a water supply device; The condensing cooler includes a heat source inlet converging chamber, an aerosol flow chamber and a heat source outlet converging chamber which are sequentially separated. The aerosol flow chamber is provided with a heat exchange element, and the aerosol flow chamber is provided with an aerosol inlet and an air outlet. The heat exchange element communicates with the heat source inlet collection chamber and the heat source outlet collection chamber respectively, and the gas mist outlet of the atomization chamber is connected with the gas mist inlet through an air pipe. 2. The condensing cooling device according to claim 1, characterized in that: it also includes an ejector and a high-pressure blower, the high-pressure blower and the air outlet are respectively connected to the ejector, and the high-pressure blower provides high-pressure airflow to the ejector . 3 . The condensation cooling device according to claim 1 , wherein the heat exchange element is a finned tube, and the inner cavity of the finned tube communicates with the heat source inlet and collection cavity and the heat source outlet and collection cavity. 4 . 4. The condensation cooling device according to claim 1 or 3, characterized in that: the aerosol flow chamber is provided with a spiral deflector, and the gas mist inlet and air outlet are respectively arranged at the two ends of the spiral deflector. The heat element passes through the helical baffle. 5. The condensation cooling device according to claim 1, characterized in that: the bottom of the aerosol flow chamber is provided with a drain port, and the drain port is connected to a circulating water pump through a return pipe, and a check valve is provided on the return pipe . 6. The condensation cooling device according to claim 1, characterized in that: the atomization device comprises an atomization cylinder, the inner chamber of the atomization cylinder is the atomization chamber, the atomizer is an atomization nozzle, and the atomization cylinder The bottom of the air inlet is provided with an air inlet, and the blowing device is connected with the air inlet. 7. The condensing cooling device according to claim 1 or 6, wherein a valve is provided on the water supply branch of the atomizer, and the valve is used to adjust the water intake of the atomizer. 8. The condensation cooling device according to claim 6, wherein a filter is provided between the blowing device and the air inlet. 9. The condensing cooling device according to claim 6, characterized in that: the water supply device includes a water level control device and a water valve, the water valve is used to connect with the water supply pipeline, and the water level control device is arranged at the bottom of the atomization chamber , the water level control device opens or closes the water valve according to the change of the preset water level of the atomization chamber. 10 . The condensation cooling device according to claim 6 , wherein a plurality of air distribution pipes are arranged at the bottom of the atomization chamber, and the air distribution pipes are connected to the air inlet. 11 .