CN209745042U

CN209745042U - Open cooling tower

Info

Publication number: CN209745042U
Application number: CN201920386261.XU
Authority: CN
Inventors: 陈钢; 王强
Original assignee: Keling Electromechanical Technology (shanghai) Co Ltd
Current assignee: Keling Electromechanical Technology (shanghai) Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2019-12-06
Anticipated expiration: 2029-03-25

Abstract

The utility model discloses an open cooling tower belongs to the water cooling plant field, and its technical scheme main points are including tower body, fixed connection in the evaporation heat exchanger at tower body top, fixed connection and install in the water circle device of tower body, the air outlet has been seted up to the tower body upper end, and the air intake has been seted up to the position that its lateral wall leaned on down, evaporation heat exchanger is located between air outlet and the air intake, air exhaust's gas outlet and air outlet intercommunication, water circle device includes fixed connection in evaporation heat exchanger's dropping liquid pipe, fixed connection in the tower body the catch basin of bottom and with the circulating pump of dropping liquid pipe and catch basin intercommunication, a plurality of dropping liquid holes have been seted up to the dropping liquid body. The utility model discloses the effect that has the water conservation.

Description

Open cooling tower

Technical Field

The utility model relates to a water cooling plant technical field, more specifically say, it relates to an open 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.

At present, the chinese utility model with publication number CN205593402U discloses an open-close combined type circulation cooling system, which comprises a circulation inlet header pipe, a circulation outlet header pipe, a water collecting tank, a frame body arranged at the upper part of the water collecting tank, and a circulation cooling mechanism arranged in the frame body, wherein the circulation cooling mechanism comprises an air cooler group, evaporating heat exchanger, filler and spray set, air cooler group comprises two air cooler, and circulation inlet house steward, air cooler group, evaporating heat exchanger and circulation outlet house steward loop through the pipe connection and form by coolant's cooling channel, and spray set comprises spray set I and spray set II, and spray water is passed through to spray set in the bottom of header tank through spray piping in order to take away the inside heat of system and reduce the header tank in and spray the temperature degree, the last spray pump that is equipped with of spray piping.

The above prior art solutions have the following drawbacks: the spraying method is utilized to moisten the pipe wall of the evaporation heat exchanger, then the flowing air is utilized to accelerate the vaporization of water, and heat can be absorbed in the process of water vaporization, so that the water temperature in the evaporation heat exchanger is reduced, but more sprayed water is not contacted with the pipe wall to be vaporized, so that the evaporation heat exchanger is not cooled in the process of water vaporization, and further the waste of water is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an open cooling tower through the dropping liquid pipe with the water droplet to evaporation heat exchanger, has reduced the part and has not just been evaporated water with the contact of evaporation heat exchanger, has reduced the consumption of water resource.

The utility model discloses a realize above-mentioned purpose, provide following technical scheme: the utility model provides an open cooling tower, includes tower body, fixed connection evaporation heat exchanger, fixed connection in the tower body in the updraft ventilator at tower body top and install in the water circle device of tower body, the air outlet has been seted up to the tower body upper end, and the air intake has been seted up to the position that its lateral wall leaned on down, evaporation heat exchanger is located between air outlet and the air intake, updraft ventilator's gas outlet and air outlet intercommunication, water circle device includes fixed connection in evaporation heat exchanger's dropping liquid pipe, fixed connection in the water catch bowl of bottom and the circulating pump with dropping liquid pipe and water catch bowl intercommunication in the tower body, a plurality of dropping liquid holes have been seted up.

by adopting the technical scheme, water in the water collecting tank is conveyed to the liquid dropping pipe under the action of the circulating pump, and the water flows out of the liquid dropping hole and flows onto the evaporation heat exchanger, so that the evaporation heat exchanger is wetted; under the action of the air draft device, air flows into the tower body from an air inlet at the bottom of the tower body, then passes through the evaporation heat exchanger, and finally leaves the tower body from an air outlet at the upper end of the tower body; the air flowing rapidly passes through the evaporation heat exchanger to accelerate the vaporization of water on the evaporation heat exchanger, thereby absorbing a large amount of heat and further achieving the purpose of reducing the water in the evaporation heat exchanger; because of using the dropping liquid wetting mode, the part of water which is not contacted with the evaporation heat exchanger and is evaporated is reduced, thereby reducing the evaporation of the water and reducing the consumption of water resources.

The utility model discloses further set up to: evaporating heat exchanger is including advancing pipe, exit tube and the branch pipe that communicates between them, divide the pipe to include many standpipe that are vertical setting and the return bend with standpipe end to end, the dropping liquid pipe also has many and be vertical setting, leave the clearance between dropping liquid pipe and the branch pipe, the dropping liquid hole is located the dropping liquid pipe and is close to branch pipe one side.

Through adopting above-mentioned technical scheme, make the standpipe be vertical setting, water can be along standpipe lateral wall downflow, increases water and evaporative heat exchanger's contact time, can provide still less water and can wet evaporative heat exchanger, further strengthens the water conservation ability of cooling tower.

The utility model discloses further set up to: the branched pipes are arranged in parallel along the transverse direction.

Through adopting above-mentioned technical scheme, because be provided with many minutes pipes to can reduce the pipe diameter of being in charge of, but still can reach sufficient displacement, because reduced the pipe diameter, so can increase the area of contact of being in charge of water and being in charge of, increase the cooling effect.

The utility model discloses further set up to: it is a plurality of the drip hole is constituteed one row, every row the drip hole sets up along the length direction of dropping liquid pipe, multirow drip hole has been seted up to the lateral wall on the dropping liquid pipe, every standpipe circumference distributes has four dropping liquid pipes.

through adopting above-mentioned technical scheme, utilize a plurality of dropping liquid pipes to carry out moist for a standpipe, make the standpipe all can the lateral wall be moist around to when the standpipe lateral wall's moisture is evaporated, increase the cooling effect.

the utility model discloses further set up to: four sections are offered to dropping liquid pipe circumference and are the curved recess of stepping down, the transversal arc setting of personally submitting of recess of stepping down and its centre of a circle is located the axis of dropping liquid pipe, the drip hole is located the recess of stepping down.

Through adopting above-mentioned technical scheme, make the closer inseparable laminating of dropping liquid pipe, make more accurate in the dropping liquid pipe drip to the standpipe on.

The utility model discloses further set up to: and three rows of liquid dropping holes are arranged in each abdicating groove.

through adopting above-mentioned technical scheme, more even with the water droplet on the standpipe to when the standpipe lateral wall all around moisture by the evaporation, increase the cooling effect.

The utility model discloses further set up to: the air draft device comprises a plurality of exhaust fans fixedly connected inside the tower body, the exhaust fans are located above the evaporative heat exchangers, and upward force is applied to air when the exhaust fans work.

Through adopting above-mentioned technical scheme, the air exhauster is located evaporative heat exchanger's top to the during operation produces the air of vertical upflow, can prevent that debris from falling into evaporative heat exchanger and on and influence the cooling capacity.

The utility model discloses further set up to: and the side wall of the tower body is fixedly connected with a filter screen covering the air inlet.

By adopting the technical scheme, the filter screen covers the air inlet, and air flowing into the tower body is filtered by the filter screen, so that sundries are prevented from being brought into the tower body when the air enters the tower body from the air inlet.

To sum up, the utility model discloses following beneficial effect has:

Firstly, the evaporation heat exchanger is wetted by using a liquid dropping method, so that part of water which is not contacted with the evaporation heat exchanger and is evaporated is reduced, the evaporation of the water is reduced, and the consumption of water resources is reduced;

secondly, a plurality of drip pipes are used for wetting a vertical pipe, so that the peripheral side walls of the vertical pipe can be wetted, and the cooling effect is improved when the moisture on the peripheral side walls of the vertical pipe is evaporated;

Thirdly, the exhaust fan is positioned above the evaporative heat exchanger, and air flowing vertically upwards is generated during working, so that sundries can be prevented from falling onto the evaporative heat exchanger and affecting the cooling capacity.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a sectional view of the water circulation device of the present embodiment;

FIG. 3 is a schematic structural diagram for showing an evaporative heat exchanger according to the present embodiment;

Fig. 4 is a schematic structural view for showing the dropping liquid tube in the present embodiment.

Reference numerals: 1. a tower body; 2. an evaporative heat exchanger; 3. an air draft device; 4. a water circulation device; 5. an air outlet; 6. an air inlet; 7. a filter screen; 8. an exhaust fan; 9. feeding a pipe; 10. discharging a pipe; 11. pipe distribution; 12. a vertical tube; 13. bending the pipe; 14. a dropping tube; 15. a water collecting tank; 16. a circulation pump; 17. a yielding groove; 18. and (4) a liquid dropping hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): an open cooling tower, as shown in fig. 1 and 2, comprises a tower body 1, an evaporative heat exchanger 2, an air draft device 3 and a water circulation device 4. The tower body 1 is cylindrical, an air outlet 5 is formed in the upper end of the tower body, an air inlet 6 is formed in the position, close to the lower side wall of the tower body, and the evaporation heat exchanger 2 is fixedly connected in the tower body 1 and located between the air outlet 5 and the air inlet 6. The air draft device 3 is fixedly connected to the upper end in the tower body 1, and air flows in the tower body 1 under the action of the air draft device 3. The water circulation device 4 wets the evaporation heat exchanger 2 by using a water drop wetting mode, and air flowing fast passes through the evaporation heat exchanger 2 to accelerate water vaporization on the evaporation heat exchanger 2, so that a large amount of heat is absorbed, and the purpose of reducing water in the evaporation heat exchanger 2 is achieved. Because of using the mode of water droplet wetting, the water that part did not contact with evaporating heat exchanger 2 just evaporated has been reduced to reduce the evaporation of water, reduced the consumption of water resource.

As shown in fig. 1 and 2, a filter screen 7 covering the air inlet 6 is fixedly connected to a side wall of the tower body 1, the filter screen 7 covers the air inlet 6, and the air flowing into the tower body 1 is filtered by the filter screen 7, so that impurities are prevented from being brought in when the air enters the tower body 1 from the air inlet 6. Updraft ventilator 3 includes a plurality of fixed connection in the inside air exhauster 8 of tower body 1, and air exhauster 8 is located evaporative heat exchanger 2's top. When the exhaust fan 8 works, an upward force is applied to air, the air flows into the tower body 1 from the air inlet 6 at the bottom of the tower body 1 and then passes through the evaporation heat exchanger 2, and finally, the air outlet 5 at the upper end of the tower body 1 leaves the tower body 1. Because the suction fan 8 is located above the evaporative heat exchanger 2 and operates to generate air flowing vertically upward, it is possible to prevent impurities from falling onto the evaporative heat exchanger 2 and affecting the cooling capacity.

As shown in fig. 3 and 4, the evaporative heat exchanger 2 includes an inlet pipe 9, an outlet pipe 10, and a branch pipe 11 communicating the inlet pipe and the outlet pipe, and water to be cooled flows in from the inlet pipe 9, exchanges heat through the branch pipe 11 to release heat, and is finally discharged from the outlet pipe 10 to achieve the purpose of cooling. The branched pipes 11 are plural and arranged in parallel in the lateral direction. The branch pipe 11 comprises a plurality of vertical pipes 12 which are vertically arranged and bent pipes 13 which connect the vertical pipes 12 end to end. The distance between two adjacent vertical pipes 12 on the same branch pipe 11 is equal to the distance between two adjacent branch pipes 11. Because the vertical pipe 12 is vertically arranged, the water flowing out of the water circulation device 4 can flow downwards along the side wall of the vertical pipe 12, the contact time of the water and the evaporative heat exchanger 2 is increased, less water can be provided, the evaporative heat exchanger 2 can be wetted, and the water saving capacity of the cooling tower is further enhanced.

As shown in fig. 3 and 4, the water circulation device 4 includes a dropping pipe 14, a sump 15, and a circulation pump 16. The water collecting tank 15 is fixedly connected to the bottom of the tower body 1 and is positioned below the air inlet 6. The inlet of the circulating pump 16 is communicated with the bottom of the water collecting tank 15, and the outlet thereof is communicated with the dropping liquid pipe 14. There are a plurality of drip pipes 14, four drip pipes 14 are arranged around each of the risers 12, the drip pipe 14 at the center wets four risers 12, and one drip pipe 14 at the edge wets two or one riser 12. Four recess 17 of stepping down have been seted up to dropping liquid pipe 14 circumference, the recess 17 of stepping down that the length direction of recess 17 set up along its axis direction, and the transversal arc setting of personally submitting of recess 17 of stepping down and its centre of a circle lie in the axis of dropping liquid pipe 14, leave the clearance between recess 17 inner wall of stepping down and standpipe 12 outer wall. A plurality of dropping holes 18 are formed in the side wall of the dropping pipe 14, all the dropping holes 18 are located in the yielding grooves 17, and three rows of dropping holes 18 are arranged in each yielding groove 17. Each row of drip holes 18 is arranged along the length of the drip tube 14.

The implementation principle of the embodiment is as follows: the circulation pump 16 is activated to deliver water from the sump 15 into the drip tube 14 and then out of the drip holes 18 and onto the evaporative heat exchanger 2. When the exhaust fan 8 works, an upward force is applied to the air, the air flows into the tower body 1 from the air inlet 6 at the bottom of the tower body 1 and then passes through the evaporation heat exchanger 2, and finally, the air leaves the tower body 1 from the air outlet at the upper end of the tower body 1. Because the suction fan 8 is located above the evaporative heat exchanger 2 and operates to generate air flowing vertically upward, it is possible to prevent impurities from falling onto the evaporative heat exchanger 2 and affecting the cooling capacity. Because of using the drip irrigation mode, the part of the water which is evaporated without contacting the evaporation heat exchanger 2 is reduced, thereby reducing the evaporation of the water and reducing the consumption of water resources.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an open cooling tower, includes tower body (1), fixed connection evaporation heat exchanger (2), fixed connection in tower body (1), air exhaust apparatus (3) at tower body (1) top and install in water circle device (4) of tower body (1), air outlet (5) have been seted up to tower body (1) upper end, and air intake (6) have been seted up to its lateral wall position that leans on down, evaporation heat exchanger (2) are located between air outlet (5) and air intake (6), the gas outlet and air outlet (5) the intercommunication of air exhaust apparatus (3), its characterized in that: the water circulation device (4) comprises a dropping liquid pipe (14) fixedly connected to the evaporation heat exchanger (2), a water collecting tank (15) fixedly connected to the bottom in the tower body (1) and a circulating pump (16) communicated with the dropping liquid pipe (14) and the water collecting tank (15), and a plurality of dropping liquid holes (18) are formed in the dropping liquid pipe (14).

2. An open cooling tower according to claim 1, wherein: evaporating heat exchanger (2) including advancing pipe (9), exit tube (10) and managing (11) with the branch of both intercommunications, manage (11) including many standpipe (12) that are vertical setting and return bend (13) with standpipe (12) end to end, dropping liquid pipe (14) also have many and be vertical setting, leave the clearance between dropping liquid pipe (14) and branch pipe (11), drip hole (18) are located dropping liquid pipe (14) and are close to branch pipe (11) one side.

3. An open cooling tower according to claim 2, wherein: the branch pipes (11) are arranged in parallel along the transverse direction.

4. an open cooling tower according to claim 3, wherein: it is a plurality of one row is constituteed in dropping liquid hole (18), every row the length direction setting of dropping liquid pipe (14) is followed in dropping liquid hole (18), multirow dropping liquid hole (18) have been seted up to lateral wall on dropping liquid pipe (14), every standpipe (12) circumference distributes and has four dropping liquid pipe (14).

5. An open cooling tower according to claim 4, wherein: four sections are offered to dropping liquid pipe (14) circumference and are curved recess (17) of stepping down, the transversal arc setting of personally submitting of recess (17) of stepping down is and its centre of a circle is located the axis of dropping liquid pipe (14), dropping hole (18) are located recess (17) of stepping down.

6. An open cooling tower according to claim 5, wherein: three rows of drip holes (18) are arranged in each abdicating groove (17).

7. An open cooling tower according to claim 6, wherein: updraft ventilator (3) include a plurality of fixed connection in tower body (1) inside air exhauster (8), air exhauster (8) are located the top of evaporative heat exchanger (2), air exhauster (8) during operation applys ascending power to the air.

8. An open cooling tower according to claim 7, wherein: the side wall of the tower body (1) is fixedly connected with a filter screen (7) covering the air inlet (6).