CN216205484U

CN216205484U - Closed cooling tower

Info

Publication number: CN216205484U
Application number: CN202122532913.6U
Authority: CN
Inventors: 金兴才; 梁婵金; 王金生
Original assignee: Shangleng Kongyi Technology Jiangsu Co ltd
Current assignee: Shangleng Kongyi Technology Jiangsu Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-05
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a closed cooling tower, which comprises a shell and is a main outer frame structure of the device, wherein a dust cover is arranged at the top end of the shell, a fan is arranged in the dust cover, a ventilation grid is arranged in the shell, and a water collector is arranged at the bottom end of the fan; the water collecting tank is positioned at the bottom end of the shell, a conveying pipeline and a blow-off pipe are respectively arranged in the water collecting tank, the blow-off pipe is positioned at the left end of the conveying pipeline, and an automatic water replenishing valve is arranged at one end of the conveying pipeline; and the spraying pipeline is positioned at one end of the conveying pipeline, and the outer surface of the spraying pipeline is connected with a movable seat. This closed cooling tower can adjust spray pipe's spray angle, is convenient for wash the ventilation grid, avoids the ventilation grid to block up and unable normal ventilation, sets up the filter screen in pipeline's one end simultaneously, avoids inside evaporating pipe surface scale deposit material flows into spray pipe to holistic multifunctionality has been increased.

Description

Closed cooling tower

Technical Field

The utility model relates to the technical field of refrigeration equipment, in particular to a closed cooling tower.

Background

The closed cooling tower (also called evaporative air cooler, closed cooling tower or closed cooling tower) is characterized in that a tubular heat exchanger is arranged in the tower, the cooling effect is ensured through the heat exchange of circulating air, spray water outside the pipe and circulating water inside the pipe, the circulating water is in closed circulation inside the pipe, the water quality can be ensured not to be polluted, the high-efficiency operation of main equipment is well protected, the service life is prolonged, when the outside air temperature is lower, a spray water system can be stopped, the water saving effect is achieved, along with the implementation of national energy saving and emission reduction policies and the increasing shortage of water resources, the closed cooling tower is widely applied to industries such as ferrous metallurgy, power electronics, machining and air conditioning systems in recent years.

Current closed cooling tower need use the spray pump to spray water to the coil pipe through the nozzle when using, and the coil pipe is after long-time the use, and the incrustation scale can be produced on the surface, and nozzle spun water dashes down the incrustation scale on the coil pipe, and in reentrant spray pump, cause easily that the spray pump blocks up, influences the cooling to the coil pipe, and current coil pipe area, and radiating effect and spray water cover face are little to holistic practicality has been reduced, consequently, need a closed cooling tower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a closed cooling tower, which aims to solve the problems that when the existing closed cooling tower provided by the background art is used, a spray pump is required to be used for spraying water to a coil pipe through a nozzle, scale is generated on the surface of the coil pipe after the coil pipe is used for a long time, the scale on the coil pipe is washed down by the water sprayed from the nozzle and then enters the spray pump, the spray pump is easily blocked, the cooling of the coil pipe is influenced, and the area, the heat dissipation effect and the coverage area of spray water of the existing coil pipe are small.

In order to achieve the purpose, the utility model provides the following technical scheme: a closed cooling tower comprising:

the device comprises a shell, a water collector and a fan, wherein the shell is a main outer frame structure of the device, a dust cover is arranged at the top end of the shell, a fan is arranged inside the dust cover, a ventilation grid is arranged inside the shell, and the bottom end of the fan is provided with a water collector;

the water collecting tank is positioned at the bottom end of the shell, a conveying pipeline and a blow-off pipe are respectively arranged in the water collecting tank, the blow-off pipe is positioned at the left end of the conveying pipeline, and an automatic water replenishing valve is arranged at one end of the conveying pipeline;

the spraying pipeline is positioned at one end of the conveying pipeline, the outer surface of the spraying pipeline is connected with a movable seat, and the other end of the movable seat is mutually connected with the inner wall of the shell;

the circulating pump is positioned in the water collecting tank, one end of the circulating pump is connected with the conveying pipeline, and the front end of the conveying pipeline is provided with a stainless steel filter screen;

and the evaporation coil group is positioned in the shell, and a first evaporation tube and a second evaporation tube are respectively arranged in the evaporation coil group.

As a preferable technical scheme of the utility model, the outer surface of the water collector is in a trapezoidal structure, and the circumference of the water collector is the same as that of the evaporation coil group.

By adopting the technical scheme, the condensed water drops can be guided to flow through the shape structure of the water collector, and the acceleration of a short distance is carried out according to the gradient, so that the influence on the normal gas-liquid conversion efficiency caused by long-term retention of the water collector is avoided.

As a preferable technical scheme of the utility model, one end of the spraying pipeline is movably connected with the conveying pipeline, the spraying pipeline is rotatably connected with the movable seats, and the movable seats are distributed on the inner surface of the shell at equal intervals.

By adopting the technical scheme, the joint of the spray pipeline and the conveying pipeline can rotate, and the spray pipeline is supported and fixed by the movable seat and is rotated in an auxiliary manner by the movable seat, so that the spray angle of the spray pipeline can be adjusted.

As a preferable technical scheme of the utility model, the inclination angles of the ventilation grating and the spraying pipeline are the same, and the spraying pipeline and the ventilation grating are positioned on the same horizontal line.

Adopt above-mentioned technical scheme, the ventilation grid filters foreign matter and dust to ventilation grid and spray piping position relation make spray piping can directly spray the ventilation grid, from inside to outside spray can avoid the ventilation grid surface to store up the foreign matter drop inside the equipment, thereby increased the inside clean and tidy nature of cooling tower.

According to a preferable technical scheme of the utility model, the first evaporation tube is internally provided with a connector, the first evaporation tube and the second evaporation tube form a detachable structure through the connector, the second evaporation tube is internally provided with connecting grooves, and the number of the connectors and the number of the connecting grooves are the same.

By adopting the technical scheme, the first evaporation tube and the second evaporation tube are spliced through the connector and the connecting groove in the corresponding mode, so that the evaporation tubes are more convenient to disassemble and assemble, the evaporation coil group is prevented from being locally damaged to influence normal heat exchange, and convenience and maneuverability of maintenance work are improved.

As a preferable technical solution of the present invention, the first evaporation tube and the second evaporation tube are both in an elliptical structure, and a seal ring is disposed between the first evaporation tube and the second evaporation tube.

Adopt above-mentioned technical scheme, first evaporating pipe and second evaporating pipe are through the shape structure of self, and the area of contact of increase and shower water that can be fine improves air and heat exchange effect to all be provided with the sealing washer between first evaporating pipe and the second evaporating pipe, improve the leakproofness of evaporating pipe junction, avoid the evaporating pipe to appear leaking, thereby increased holistic practicality.

Compared with the prior art, the utility model has the beneficial effects that: this closed cooling tower:

1. the evaporating pipes are arranged to be oval, the horizontal space between the evaporating pipes is the small diameter of the oval pipes, and a stagnant flow process can be generated when water flows down, so that the shower water can fully perform heat exchange on the pipes and also fully perform heat exchange on air, the pipe arrangement capacity can be increased, the coverage area of the shower water can be increased, the turbulence degree of water flow in the pipes can be increased, the heat discharge amount of the same area is obviously improved, meanwhile, the evaporating pipes can be spliced randomly, the phenomenon that the whole body cannot be normally used due to local damage is avoided, and the overall practicability is improved;

2. set up the sliding seat through the surface at spray piping and support to spray piping's one end is rotatory along pipeline, can adjust spray piping's spraying angle, is convenient for wash the ventilation grid, avoids the ventilation grid to block up and unable normal ventilation, sets up the filter screen in pipeline's one end simultaneously, avoids inside evaporating pipe surface scale deposit material flows into spray piping, thereby has increased holistic multifunctionality.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the inner structure of the first evaporating tube and the second evaporating tube of the present invention;

FIG. 3 is a schematic view showing the internal side view of an evaporation coil assembly according to the present invention;

FIG. 4 is a perspective view of an evaporation coil assembly according to the present invention.

In the figure: 1. a housing; 2. a fan; 3. a dust cover; 4. a water collection tank; 5. a spray pipe; 6. a delivery conduit; 7. a blow-off pipe; 8. an automatic water replenishing valve; 9. a circulation pump; 10. a stainless steel filter screen; 11. a movable seat; 12. a ventilation grille; 13. a water collector; 14. an evaporation coil group; 15. a first evaporation tube; 16. a connector; 17. a second evaporation tube; 18. connecting grooves; 19. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a closed cooling tower comprising:

the device comprises a shell 1, a dust cover 3 is arranged at the top end of the shell 1, a fan 2 is arranged inside the dust cover 3, a ventilation grid 12 is arranged inside the shell 1, and a water collector 13 is arranged at the bottom end of the fan 2; the water collecting tank 4 is positioned at the bottom end of the shell 1, a conveying pipeline 6 and a blow-off pipe 7 are respectively arranged in the water collecting tank 4, the blow-off pipe 7 is positioned at the left end of the conveying pipeline 6, and an automatic water replenishing valve 8 is arranged at one end of the conveying pipeline 6; the spraying pipeline 5 is positioned at one end of the conveying pipeline 6, the outer surface of the spraying pipeline 5 is connected with a movable seat 11, and the other end of the movable seat 11 is mutually connected with the inner wall of the shell 1; the circulating pump 9 is positioned inside the water collecting tank 4, one end of the circulating pump 9 is mutually connected with the conveying pipeline 6, and the front end of the conveying pipeline 6 is provided with a stainless steel filter screen 10; an evaporation coil group 14 is positioned inside the casing 1, and a first evaporation tube 15 and a second evaporation tube 17 are respectively arranged in the evaporation coil group 14.

The outer surface of the water collector 13 is in a trapezoidal structure, and the circumference of the water collector 13 is the same as that of the evaporation coil group 14; the flow of condensed water drops can be guided by the shape structure of the water collector 13, and the acceleration is performed for a short distance according to the gradient, so that the influence on the normal gas-liquid conversion efficiency caused by long-term accumulation in the water collector 13 is avoided; one end of the spraying pipeline 5 is movably connected with the conveying pipeline 6, the spraying pipeline 5 is rotatably connected with the movable seat 11, and the movable seats 11 are distributed on the inner surface of the shell 1 at equal intervals; the joint of the spray pipeline 5 and the conveying pipeline 6 can rotate, and the spray pipeline 5 is supported and fixed by the movable seat 11 and is assisted to rotate by the movable seat 11, so that the spray angle of the spray pipeline 5 can be adjusted; the inclination angles of the ventilation grating 12 and the spraying pipeline 5 are the same, and the spraying pipeline 5 and the ventilation grating 12 are positioned on the same horizontal line; the ventilation grille 12 filters foreign matters and dust, and the position relationship between the ventilation grille 12 and the spraying pipeline 5 ensures that the spraying pipeline 5 can directly spray the ventilation grille 12, and the spraying from inside to outside can prevent the foreign matters accumulated on the surface of the ventilation grille 12 from falling into the equipment, thereby increasing the tidiness of the interior of the cooling tower; a connector 16 is arranged in the first evaporation tube 15, the first evaporation tube 15 and a second evaporation tube 17 form a disassembly structure through the connector 16, a connecting groove 18 is formed in the second evaporation tube 17, and the number of the connectors 16 is the same as that of the connecting grooves 18; the first evaporation tube 15 and the second evaporation tube 17 are correspondingly spliced with the connecting groove 18 through the connecting head 16, so that the evaporation tubes are more convenient to disassemble and assemble, the influence on normal heat exchange caused by the local damage of the evaporation coil group 14 is avoided, and the convenience and the maneuverability of maintenance work are increased; the first evaporation tube 15 and the second evaporation tube 17 are both in an elliptical structure, and a sealing ring 19 is arranged between the first evaporation tube 15 and the second evaporation tube 17; first evaporating pipe 15 and second evaporating pipe 17 are through the shape structure of self, and the area of contact of increase and shower water that can be fine improves air and heat exchange effect to all be provided with sealing washer 19 between first evaporating pipe 15 and the second evaporating pipe 17, improve the leakproofness of evaporating pipe junction, avoid the evaporating pipe to appear leaking, thereby increased holistic practicality.

The working principle is as follows: when the closed cooling tower is used, firstly, water in the water collecting tank 4 is pumped into the conveying pipeline 6 by the circulating pump 9, then the water is conveyed to the concave spraying pipeline 5 by the conveying pipeline 6, water is sprayed on the outer surface of the evaporation coil group 14 by the water pressure in the spraying pipeline 5 for heat exchange, in the process that the spraying water is contacted with the evaporation coil group 14, the contact area of the spraying water can be well increased according to the shape structure and the inclination angle of the first evaporation pipe 15 and the second evaporation pipe 17, the spraying water can continuously flow on the outer surface of the evaporation coil group 14, the uppermost end flows into the tail end, the heat exchange is concentrated at the tail end of the evaporation coil group 14, the cooling effect is improved, steam generated in the heat exchange process is in a negative pressure state by the fan 2 and is discharged from the top end of the equipment, and the water receiver 13 converts the steam into liquid in the discharging process, and the sewage is discharged into the water collecting tank 4, so that the water resource consumption is reduced, and the sewage discharge pipe 7 can discharge and update foreign matters and waste water in the device, thereby increasing the overall practicability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Closed cooling tower, its characterized in that includes:

the fan-shaped water collector is characterized by comprising a shell (1) which is a main outer frame structure of the device, wherein a dust cover (3) is arranged at the top end of the shell (1), a fan (2) is arranged inside the dust cover (3), a ventilation grating (12) is arranged inside the shell (1), and a water collector (13) is arranged at the bottom end of the fan (2);

the water collecting tank (4) is positioned at the bottom end of the shell (1), a conveying pipeline (6) and a sewage discharge pipe (7) are respectively arranged in the water collecting tank (4), the sewage discharge pipe (7) is positioned at the left end of the conveying pipeline (6), and an automatic water replenishing valve (8) is arranged at one end of the conveying pipeline (6);

the spraying pipeline (5) is positioned at one end of the conveying pipeline (6), the outer surface of the spraying pipeline (5) is connected with a movable seat (11), and the other end of the movable seat (11) is mutually connected with the inner wall of the shell (1);

the circulating pump (9) is positioned inside the water collecting tank (4), one end of the circulating pump (9) is connected with the conveying pipeline (6), and a stainless steel filter screen (10) is arranged at the front end of the conveying pipeline (6);

the evaporation coil group (14) is positioned inside the shell (1), and a first evaporation tube (15) and a second evaporation tube (17) are respectively arranged in the evaporation coil group (14).

2. The closed cooling tower of claim 1, wherein: the outer surface of the water collector (13) is in a trapezoidal structure, and the circumference of the water collector (13) is the same as that of the evaporation coil group (14).

3. The closed cooling tower of claim 1, wherein: one end of the spraying pipeline (5) is movably connected with the conveying pipeline (6), the spraying pipeline (5) is rotatably connected with the movable seat (11), and the movable seat (11) is distributed on the inner surface of the shell (1) at equal intervals.

4. The closed cooling tower of claim 1, wherein: the inclination angles of the ventilation grating (12) and the spraying pipeline (5) are the same, and the spraying pipeline (5) and the ventilation grating (12) are positioned on the same horizontal line.

5. The closed cooling tower of claim 1, wherein: first evaporating pipe (15) internal portion is provided with connector (16), first evaporating pipe (15) constitute through connector (16) and second evaporating pipe (17) and dismantle the structure, spread groove (18) have been seted up to second evaporating pipe (17) inside, connector (16) are the same with spread groove (18) quantity.

6. The closed cooling tower of claim 1, wherein: first evaporating pipe (15) all are oval column structure with second evaporating pipe (17), be provided with between first evaporating pipe (15) and second evaporating pipe (17) sealing washer (19).