CN210154370U

CN210154370U - Centrifugal air draft cross flow closed cooling tower

Info

Publication number: CN210154370U
Application number: CN201920823389.8U
Authority: CN
Inventors: 贺颂钧
Original assignee: Guangdong Lanxun Technology Development Co ltd
Current assignee: Guangdong Lanxun Technology Development Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-03-17
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a centrifugal convulsions crossing current closed cooling tower, including base and tower body, the tower body is located the top of base, the tower body includes air intake and air outlet, air intake and air outlet are located the both sides of tower body respectively, the inside of tower body is provided with heat transfer coil, be provided with the filler subassembly between the heat transfer coil, the filler subassembly is including elementary filter screen, active carbon filler and secondary filter screen, the active carbon filler is located between elementary filter screen and the secondary filter screen. The utility model discloses a recirculated cooling water that sets up does not with air direct contact, and passes the heat earlier for the spray water through heat exchange coil, the spray water again with air direct contact, through the evaporation of spray water and with the heat transfer of air, finally with heat transfer for atmospheric cooling device, the air of cooperation circulation simultaneously, spray water and intraductal circulating water's heat exchange guarantee the cooling effect, can realize that quick cooling reduces refrigerated time, improves refrigerated efficiency.

Description

Centrifugal air draft cross flow closed cooling tower

Technical Field

The utility model relates to a cooling tower technical field especially relates to centrifugal convulsions crossing current closed cooling tower.

Background

With the implementation of national energy-saving and emission-reducing policies and the increasing shortage of water resources, closed cooling towers are widely applied to the industries such as ferrous metallurgy, power electronics, machining, air conditioning systems and the like in recent years.

The cooling tower is a device which uses water as a circulating coolant and absorbs heat from a system to discharge the heat to the atmosphere so as to reduce the water temperature, and the traditional transmission part of the cooling tower adopts an axial flow fan which is generally used in occasions with higher flow requirements and lower pressure requirements and is suitable for being installed on the ground or a wider area of the floor. Because the installation position of part of the cooling tower is limited, if the cooling tower is placed on a pit with poor ventilation, on a building skirt or in a ventilation duct, the ventilation pressure requirement cannot be met by adopting the common axial flow, and the cooling tower cannot be cooled. If the effective area of the cooling tower is increased or the motor is increased in order to ensure the cooling capacity of the cooling tower, noise pollution of different degrees can be caused, great trouble is brought to nearby residents, and silencing treatment is often carried out at great expense.

Therefore, there is a need to design a centrifugal draft cross flow closed cooling tower to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a centrifugal type air draft transverse flow closed cooling tower.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a centrifugal draft transverse flow closed cooling tower comprises a base and a tower body, wherein the tower body is positioned above the base and comprises an air inlet and an air outlet, the air inlet and the air outlet are respectively positioned at two sides of the tower body, a heat exchange coil is arranged inside the tower body, a filler assembly is arranged between the heat exchange coils and comprises a primary filter screen, an activated carbon filler and a secondary filter screen, the activated carbon filler is positioned between the primary filter screen and the secondary filter screen, the primary filter screen is positioned above the secondary filter screen, a centrifugal fan is arranged at one side of the tower body, a motor is arranged inside the centrifugal fan, a mounting seat is arranged at one side of the tower body, a spray water pump is fixed above the mounting seat through bolts, a water guide pipe and a connecting bent pipe are respectively arranged at one end of a water inlet and one end of a water outlet of, the one end that spray pump delivery port was kept away from to connecting bend is provided with the flange, one side inner wall of tower body is provided with first pipe, connecting bend passes through flange and first pipe connection, the inside top position of tower body is provided with the second pipe, the bottom of second pipe is provided with the shower nozzle that the equidistance distributes, the top of tower body is provided with the shower nozzle.

Furthermore, one side of the tower body is provided with an access door.

Furthermore, the inside of base is provided with the cavity, the inside at the cavity is pegged graft to the one end of leading water pipe.

Further, one side outer wall of base is provided with water inlet and delivery port, the inside fixed mounting of water inlet has the inlet tube, the one end of inlet tube and heat exchange coil's one end welding, the inside fixed mounting of delivery port has the outlet pipe, the other end and the other end of heat exchange coil of outlet pipe are connected.

Further, one side of base is provided with drain and overflow mouth, drain and overflow mouth are located between water inlet and the delivery port, the drain is located the below of overflow mouth, drain and overflow mouth all communicate with the cavity.

Furthermore, the centrifugal fan is located at the air outlet of the tower body, and the centrifugal fan is communicated with the air inlet of the tower body.

Furthermore, the spray head is positioned above the heat exchange coil and the packing assembly, and the heat exchange coil and the packing assembly are positioned on a path for air circulation in the tower body.

The utility model has the advantages that:

1. through the recirculated cooling water that sets up not with air direct contact, and pass the heat earlier for the shower water through heat exchange coil, the shower water again with air direct contact, through the evaporation of shower water and with the heat transfer of air, finally give atmospheric cooling device with heat transfer, the air of cooperation circulation simultaneously, the shower water guarantees the cooling effect with the heat exchange of intraductal circulating water, can realize that quick cooling reduces refrigerated time, improves refrigerated efficiency.

2. The invention adopts the centrifugal fan, and the centrifugal fan can eliminate static pressure brought by an outer pipeline system, so that the blast type cooling tower can be arranged in indoor environments and the like, such as ventilation ducts, pits or occasions which are not beneficial to ventilation. The invention adopts the centrifugal fan to install the air outlet, and when the tower body normally operates, a lower negative pressure area is formed in the tower body, thereby being beneficial to the evaporation and heat transfer of a water film on the surface of the filler and improving the heat transfer efficiency.

3. The invention adopts a cross-flow closed design, and because the circulating water is in-pipe closed circulation, the water quality can be ensured not to be polluted, the high-efficiency operation of the main equipment is well protected, and the service life is prolonged.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a centrifugal draft cross-flow closed cooling tower provided by the present invention;

fig. 2 is a schematic structural view of a heat exchange coil of the centrifugal draft cross-flow closed cooling tower provided by the present invention;

fig. 3 is a schematic structural view of a heat exchange coil and a packing assembly of the centrifugal draft cross-flow closed cooling tower of the present invention;

fig. 4 is a schematic cross-sectional structural view of the packing assembly of the centrifugal draft cross-flow closed cooling tower provided by the present invention.

In the figure: the device comprises a cooling tower body 1, a centrifugal fan 2, a motor 3, a spray water pump 4, a second conduit 5, a heat exchange coil 6, a filler component 7, an access door 8, a water inlet 9, a sewage outlet 10, an overflow port 11, a water outlet 12, a water inlet pipe 13, a water outlet pipe 14, a water inlet 15, a water outlet 16, a spray head 17, a first conduit 18, a connecting bent pipe 19, a flange 20, a cavity 21, a base 22, a water conduit 23, a mounting seat 24, a primary filter screen 25, active carbon filler 26 and a secondary filter screen 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the centrifugal draft cross-flow closed cooling tower includes a base 22 and a tower body 1, the tower body 1 is located above the base 22, the tower body 1 includes an air inlet 15 and an air outlet 16, the air inlet 15 and the air outlet 16 are respectively located at two sides of the tower body 1, a heat exchange coil 6 is arranged inside the tower body 1, a filler component 7 is arranged between the heat exchange coils 6, the filler component includes a primary filter screen 25, an activated carbon filler 26 and a secondary filter screen 27, the activated carbon filler 26 is located between the primary filter screen 25 and the secondary filter screen 27, the primary filter screen 25 is located above the secondary filter screen 27, a centrifugal fan 2 is arranged at one side of the tower body 1, a motor 3 is arranged inside the centrifugal fan 2, the motor 3 is a power assembly of the centrifugal fan 2, the centrifugal fan 2 draws dry and cold air into the tower body 1 from the air inlet 15, the dry and cold air flow enters the tower body 1, passes through the, when passing through the heat exchange coil 6 and the filler component 7, dry and cold air can exchange heat with water films on the heat exchange coil 6 and the filler component 7, the dry and cold air exchanges heat with the water films to cool hot water and then turns into humid and hot air to leave the heat exchange coil 6 and the filler component 7, the cooled water is collected from the filler component 7 to the bottom of the tower body 1 and is discharged from a water outlet 12 at the bottom of the tower body 1, a mounting seat 24 is arranged at one side of the tower body 1, a spray water pump 4 is fixed above the mounting seat 24 through bolts, a water conduit 23 and a connecting bent conduit 19 are respectively arranged at one end of a water inlet and one end of a water outlet of the spray water pump 4, a flange 20 is arranged at one end of the connecting bent conduit 19 away from the water outlet of the spray water pump 4, a first conduit 18 is arranged on the inner wall at one side of the tower body 1, the connecting bent conduit, the bottom of the second conduit 5 is provided with spray heads 17 distributed equidistantly, and the cooling effect is ensured by the heat exchange of the circulated air, spray water and circulating water in the pipe.

Further, one side of the tower body 1 is provided with an access door 8, and the access door 8 can enter the tower when the cooling tower is internally patrolled and examined.

Further, a cavity 21 is arranged inside the base 22, and one end of the water conduit 23 is inserted into the cavity 21.

Further, a water inlet 9 and a water outlet 12 are arranged on the outer wall of one side of the base 22, a water inlet pipe 13 is fixedly mounted inside the water inlet 9, one end of the water inlet pipe 13 is welded to one end of the heat exchange coil 6, a water outlet pipe 14 is fixedly mounted inside the water outlet 12, and the other end of the water outlet pipe 14 is connected with the other end of the heat exchange coil 6.

Further, one side of base 22 is provided with drain 10 and overflow mouth 11, drain 10 and overflow mouth 11 are located between water inlet 9 and the delivery port 12, drain 10 is located the below of overflow mouth 11, drain 10 and overflow mouth 11 all communicate with cavity 21, when the tower body washs, accessible drain 10 discharge sewage, when chassis water exceedes overflow mouth 11, water is discharged from overflow mouth 11, system inner loop hot water gets into heat exchange coil 6 from water inlet 9, the shower nozzle 17 is taken out through spray pump 4 to the spray cold water at the bottom of the cooling tower, shower nozzle 17 sprays cold water towards packing assembly 7.

Further, the centrifugal fan 2 is located at an air outlet 16 of the tower body 1, the centrifugal fan 2 is communicated with an air inlet 15 of the tower body 1, and when the centrifugal fan 2 operates normally, the interior of the tower body 1 is in a negative pressure state.

Further, the spray head 17 is located above the heat exchange coil 6 and the packing assembly 7, the heat exchange coil 6 and the packing assembly 7 are located on a path of air circulation in the tower body 1, a spraying area is formed between the spray head 17 and the heat exchange coil 6 and the packing assembly 7, and hot and humid air coming out of the packing assembly 7 is pumped out of the tower from the air outlet 16 by the centrifugal fan 2.

The working principle is as follows: when the device is used, circulating hot water in the system enters the heat exchange coil 6 from the water inlet 15, cold water sprayed by a lower basin of the cooling tower is pumped onto the second conduit 5 and the spray head 17 through the spray water pump 4, the spray head 17 sprays cold water towards the packing component 7, the hot water flows downwards along the surfaces of the heat exchange coil 6 and the packing component 7, and a water film is formed on the surfaces; the motor 3 drives the centrifugal fan 2, the centrifugal fan 2 draws dry and cold air into the tower body 1 from the air inlet 15, the dry and cold air flows into the tower body 1 and flows to the air outlet 16 after passing through the heat exchange coil 6 and the filler component 4, when the dry and cold air passes through the heat exchange coil 6 and the filler component 7, the dry and cold air can exchange heat with the water films on the heat exchange coil 6 and the filler component 7, the dry and cold air and the water film exchange heat are cooled to hot water and then become wet and hot air to leave the heat exchange coil 6 and the filler component 7, the cooled water is collected to the bottom of the tower body 1 from the filler component 7, and the dry and cold air is discharged from the water outlet 12. The hot and humid air exiting the packing elements 7 is drawn out of the tower through the air outlet 16 by the centrifugal fan 2. When patrolling and examining in the cooling tower, accessible access door 8 gets into in the tower, and when the tower body was washd, accessible drain 10 discharged sewage, when chassis water exceeded overflow mouth 11, water was discharged from overflow mouth 11.

During normal operation, the circulating cooling water is not in direct contact with air, the heat is firstly transferred to the spray water through the heat exchange coil 6, the spray water is in direct contact with the air again, and finally the heat is transferred to the atmospheric cooling device through the evaporation of the spray water and the heat transfer with the air.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Centrifugal convulsions crossing current closed cooling tower, including base (22) and tower body (1), its characterized in that, tower body (1) is located the top of base (22), tower body (1) includes air intake (15) and air outlet (16), air intake (15) and air outlet (16) are located the both sides of tower body (1) respectively, the inside of tower body (1) is provided with heat transfer coil (6), be provided with filler subassembly (7) between heat transfer coil (6), filler subassembly is including elementary filter screen (25), active carbon filler (26) and secondary filter screen (27), active carbon filler (26) are located between elementary filter screen (25) and secondary filter screen (27), elementary filter screen (25) are located the top of secondary filter screen (27), one side of tower body (1) is provided with centrifugal fan (2), the inside of centrifugal fan (2) is provided with motor (3), one side position of tower body (1) is provided with mount pad (24), the top of mount pad (24) is fixed with spray pump (4) through the bolt, the one end of the water inlet of spray pump (4) and the one end of delivery port are provided with leading water pipe (23) and connecting bend (19) respectively, the one end that spray pump (4) delivery port was kept away from in connecting bend (19) is provided with flange (20), one side inner wall of tower body (1) is provided with first pipe (18), connecting bend (19) are connected with first pipe (18) through flange (20), the inside top position of tower body (1) is provided with second pipe (5), the bottom of second pipe (5) is provided with shower nozzle (17) that the equidistance distributes, the utility model discloses a spray water-jet system.

2. A centrifugal draft cross flow closed cooling tower according to claim 1, wherein an access door (8) is provided at one side of the tower body (1).

3. The centrifugal draft cross-flow closed cooling tower of claim 1, wherein a cavity (21) is arranged inside the base (22), and one end of the water conduit (23) is inserted into the cavity (21).

4. The centrifugal air draft cross-flow closed cooling tower of claim 1, wherein a water inlet (9) and a water outlet (12) are arranged on the outer wall of one side of the base (22), an inlet pipe (13) is fixedly arranged inside the water inlet (9), one end of the inlet pipe (13) is welded to one end of the heat exchange coil (6), an outlet pipe (14) is fixedly arranged inside the water outlet (12), and the other end of the outlet pipe (14) is connected with the other end of the heat exchange coil (6).

5. The centrifugal air draft cross-flow closed cooling tower of claim 1, wherein a drain outlet (10) and an overflow port (11) are arranged on one side of the base (22), the drain outlet (10) and the overflow port (11) are located between the water inlet (9) and the water outlet (12), the drain outlet (10) is located below the overflow port (11), and the drain outlet (10) and the overflow port (11) are both communicated with the cavity (21).

6. The centrifugal draft cross-flow closed cooling tower of claim 1, wherein the centrifugal fan (2) is located at an air outlet (16) of the tower body (1), and the centrifugal fan (2) is communicated with an air inlet (15) of the tower body (1).

7. A centrifugal induced draft cross-flow closed cooling tower according to claim 1, wherein the spray head (17) is located above the heat exchange coil (6) and the packing assembly (7), and the heat exchange coil (6) and the packing assembly (7) are located on the path of air circulation in the tower body (1).