CN215003029U

CN215003029U - Closed cooling tower with descaling function

Info

Publication number: CN215003029U
Application number: CN202120600842.6U
Authority: CN
Inventors: 祝超
Original assignee: Wuxi Zhishui Environmental Protection Technology Co ltd
Current assignee: Wuxi Zhishui Environmental Protection Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-03
Anticipated expiration: 2031-03-24

Abstract

The application relates to a closed cooling tower with scale removal function, including casing, the cooling device of connection in the casing, cooling device is including connecting cooling coil on the casing, being located the catch basin of cooling coil below, still including the scale removal device of connection on the casing, the scale removal device is including setting up the subassembly that erodees in cooling coil one side, setting up the filtering component between cooling coil and catch basin. This application has the effect of effective clearance incrustation scale.

Description

Closed cooling tower with descaling function

Technical Field

The application relates to the field of cooling towers, in particular to a closed cooling tower with a descaling function.

Background

The closed cooling tower is characterized in that the tubular heat exchanger is arranged in the tower, and the cooling effect is ensured through heat exchange of circulating air, spray water outside the pipe and circulating water inside the pipe. Because the circulating water is in-pipe closed circulation, the water quality can be ensured not to be polluted, the efficient operation of the main equipment is well protected, and the service life is prolonged. When the outside air temperature is low, the spray water system can be stopped, and the water-saving effect is achieved.

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. At present, most closed cooling towers used for industrial hot water cooling adopt cooling coils for heat exchange cooling treatment.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the cooling coil pipe uses the surface to produce the incrustation scale easily for a long time, takes trouble hard during the clearance, and the incrustation scale flows into the catch basin along with the shower water easily, leads to the jam of spray piping, influences cooling effect.

SUMMERY OF THE UTILITY MODEL

In order to effectively clear up the incrustation scale, this application provides a closed cooling tower with scale removal function.

The application provides a closed cooling tower with scale removal function adopts following technical scheme:

the utility model provides a closed cooling tower with scale removal function, includes the casing, connects the cooling device in the casing, cooling device is including connecting cooling coil on the casing, being located the catch basin of cooling coil below, still including the scale removal device of connection on the casing, the scale removal device is including setting up the subassembly that erodees in cooling coil one side, setting up the filter assembly between cooling coil and catch basin.

By adopting the technical scheme, when the scale is removed, the scouring component cleans the scale on the cooling coil, and the washed scale on the cooling coil is intercepted by the filtering component and cannot fall into the water collecting tank to influence the spraying pipe; the scale removing device effectively cleans the scale on the cooling coil pipe and reduces the influence of the scale on the cooling effect.

Optionally, it includes the mounting panel of sliding connection in the casing, fixes the washing water pipe on the mounting panel, is used for ordering about the vertical gliding driving piece of mounting panel to erode the subassembly, the vertical setting of mounting panel, it has a plurality of washing holes to erode one side of water pipe near cooling coil, it communicates with the casing through the hose outward to erode the water pipe.

By adopting the technical scheme, the mounting plate is driven to lift in the shell by the driving piece, water flow is introduced while the scouring water pipe lifts along with the mounting plate, and water is sprayed out of the scouring holes to scour the cooling coil; the mounting panel goes up and down, effectively improves and erodees the effect.

Optionally, the scouring holes are connected with scouring nozzles, and the scouring nozzles face the cooling coil.

Through adopting above-mentioned technical scheme, wash out the shower nozzle and improved the impact force of rivers, further strengthened washing effect.

Optionally, the driving part includes a vertical screw rod rotatably disposed in the housing, a moving block in threaded connection with the screw rod, and a driving source connected to the housing and used for driving the screw rod to rotate, the moving block abuts against a side wall of the housing, and one side of the moving block, which is opposite to the housing, is fixedly connected to the mounting plate.

Through adopting above-mentioned technical scheme, the driving source drives the screw rod rotatory, and the movable block moves on the screw rod along with the rotation of screw rod to drive the mounting panel and go up and down, strengthen the washing effect.

Optionally, the driving source is a motor, the motor is fixedly connected to the outer side of the shell, a rotating shaft of the motor penetrates into the shell, and the rotating shaft of the motor is connected with the screw rod through a bevel gear set.

By adopting the technical scheme, the motor is started, the bevel gear set drives the screw to rotate, and the mounting plate is lifted under the linkage of the screw and the moving block.

Optionally, a protective cover is connected to the side wall of the housing, a vertical chute is formed in one side, close to the mounting plate, of the protective cover, the screw and bevel gear set is located in the protective cover, the moving block extends out of the chute and is connected with the mounting plate, and the moving block is in sliding fit with the chute.

Through adopting above-mentioned technical scheme, the protection casing has reduced bevel gear group's possibility of corrosion under humid environment.

Optionally, the filter assembly comprises a filter screen connected above the sump.

Through adopting above-mentioned technical scheme, the filter screen interception erodees the incrustation scale impurity that the subassembly washed away, improves the cleanness of catchment pond internal water, has reduced the possibility that the shower blockked up.

Optionally, a dirt discharge port is formed in the shell, the filter screen is arranged in an inclined mode, and the lower end of the filter screen is located at the dirt discharge port.

Through adopting above-mentioned technical scheme, the incrustation scale that falls on the filter screen slides to the row dirt mouth under the effect of gravity, from row dirt mouth roll-off casing, is convenient for clear up.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the descaling device is arranged, so that water scale on the cooling coil is effectively cleaned, and the influence of the water scale on the cooling effect is reduced;

2. the protective cover is arranged, so that the possibility of rusting of the bevel gear set in a humid environment is reduced;

3. the filter screen slope sets up, and the incrustation scale that falls on the filter screen slides to the dirt discharge opening under the effect of gravity, from the dirt discharge opening roll-off casing, is convenient for clear up.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view showing the structure of a cooling device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure of a flush assembly in an embodiment of the present application.

Description of reference numerals: 1. a housing; 11. an air inlet grille; 12. a scale discharging port; 13. a scale collection box; 2. a cooling device; 21. a shower pipe; 211. a shower head; 22. a cooling coil; 23. a water pump; 3. a water collecting tank; 4. a flushing component; 41. mounting a plate; 42. flushing the water pipe; 421. flushing the hole; 422. flushing the spray head; 423. a hose; 43. a screw; 44. a moving block; 45. a motor; 46. a bevel gear set; 5. a protective cover; 51. a chute; 6. and (4) a filter screen.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses closed cooling tower with scale removal function.

Referring to fig. 1 and 2, the closed cooling tower with a descaling function includes a square housing 1, a cooling device 2 connected to the inside of the housing 1, and a sump 3 connected to the bottom of the inside of the housing 1. The cooling device 2 comprises a spray pipe 21 and a cooling coil 22 which are sequentially arranged from top to bottom, the spray pipe 21 is horizontally arranged, and one end of the spray pipe penetrates through the shell 1 and is communicated with the water collecting tank 3 through a water pump 23. One end of the spray pipe 21 in the shell 1 is horizontally arranged, and the bottom surface of one end of the spray pipe 21 in the shell 1 is fixedly connected with a plurality of spray heads 211. One end of the cooling coil 22 penetrates the housing 1 to be provided with a water inlet, and the other end penetrates the housing 1 to be provided with a water outlet. The shell 1 is also internally provided with a descaling device which comprises a scouring component 4 arranged on one side of the cooling coil 22 and a filtering component arranged between the cooling coil 22 and the water collecting tank 3.

Referring to fig. 2, the water pump 23 starts to pump the water in the sump 3 into the shower pipe 21 and then is sprayed from the shower head 211. The industrial hot water in the cooling coil 22 is subjected to heat exchange cooling treatment by the spray water, air inlets are formed in two sides of the bottom of the shell 1, and the two air inlets are opposite in position and are connected with air inlet grids 11. Outside air enters the housing 1 through the air inlet and flows upward. When the scale is removed, the washing component 4 cleans the scale on the cooling coil 22, the washed scale on the cooling coil 22 is intercepted by the filtering component, and the washed scale cannot fall into the water collecting tank 3 to influence the spraying pipe 21. The descaling device effectively cleans the scale on the cooling coil 22, and the influence of the scale on the cooling effect is reduced.

Referring to fig. 2 and 3, the flushing assembly 4 comprises a mounting plate 41 slidably connected in the housing 1, a flushing water pipe 42 fixedly connected to the mounting plate 41 along the length direction of the mounting plate 41, and a driving member for driving the mounting plate 41 to slide. The mounting plate 41 is vertically disposed, and the mounting plate 41 is located at one side of the cooling coil 22. One side of the flushing water pipe 42 close to the cooling coil 22 is provided with a plurality of flushing holes 421, one end of the flushing water pipe 42 is communicated with the outside of the shell 1 through a hose 423, and the hose 423 is communicated with an external water pipe.

Referring to fig. 2 and 3, the driving member drives the mounting plate 41 to move up and down in the housing 1, and the flushing water pipe 42 moves up and down along with the mounting plate 41, and simultaneously, water flows into the flushing water pipe, and is sprayed from the flushing holes 421 to flush the cooling coil 22. The mounting plate 41 is lifted, and the scouring effect is effectively improved. A scouring nozzle 422 is fixedly connected to the scouring hole 421, and the water spraying end of the scouring nozzle 422 is aligned with the cooling coil 22. The flushing nozzle 422 improves the impact force of water flow and further enhances the flushing cleaning effect.

Referring to fig. 2 and 3, the driving member includes a screw 43 rotatably disposed in the housing 1, a moving block 44 disposed on the screw 43, and a driving source connected to a side wall of the housing 1. The screw 43 is vertically arranged close to the inner side wall of the shell 1, the moving block 44 is in threaded connection with the screw 43, the moving block 44 abuts against the side wall of the shell 1 and is in sliding fit with the side wall of the shell 1, and one side, back to the shell 1, of the moving block 44 is fixedly connected with the end part of the mounting plate 41.

Referring to fig. 2 and 3, the driving source drives the screw 43 to rotate, and the moving block 44 moves on the screw 43 along with the rotation of the screw 43, so as to drive the mounting plate 41 to lift and lower, thereby enhancing the flushing effect. The driving source adopts a motor 45, the motor 45 is horizontally bolted on the outer side wall of the shell 1, and the rotating shaft of the motor 45 penetrates into the shell 1. The motor 45 is in driving connection with the screw 43 through a bevel gear set 46. The bevel gear set 46 includes a drive bevel gear coaxially fixed to the rotation shaft of the motor 45, and a driven bevel gear coaxially fixed to the screw 43, the drive bevel gear and the driven bevel gear being engaged.

Referring to fig. 3, the motor 45 drives the driving bevel gear to rotate, and the driving bevel gear drives the driven bevel gear to rotate, so as to drive the screw 43 to rotate, and the lifting of the mounting plate 41 is realized under the linkage of the screw 43 and the moving block 44. When the spray pipe 21 and the flushing water pipe 42 spray water, water flow is easy to splash onto the bevel gear set 46, and in order to reduce the possibility that the bevel gear set 46 is rusted in a humid environment, the bevel gear set 46 is covered with the protective cover 5.

Referring to fig. 2 and 3, the shield 5 is fixedly connected to the inner side wall of the housing 1, and both ends of the screw 43 are rotatably connected to the inner wall of the shield 5. One side of the protective cover 5 close to the mounting plate 41 is provided with a vertical sliding groove 51, and one side of the moving block 44 close to the mounting plate 41 extends out of the sliding groove 51 and is in sliding fit with the sliding groove 51. Partial water flow enters the protective cover 5 through the sliding groove 51, and a plurality of water outlet holes are formed in the bottom of the protective cover 5, so that water accumulation of the protective cover 5 is avoided. The driving piece and the protective cover 5 are respectively provided with a group on two sides of the cooling coil 22, so that the lifting stability of the mounting plate 41 is improved.

Referring to fig. 2, the filter assembly includes the filter screen 6 connected inside the housing 1, and the filter screen 6 is located between the cooling coil 22 and the water collecting tank 3, intercepts and flushes the scale impurities flushed away by the assembly 4, improves the cleanness of the water in the water collecting tank 3, and reduces the possibility of blockage of the spray pipe 21. The filter screen 6 is arranged obliquely, the side wall of the shell 1 is provided with a dirt discharge port 12, and the dirt discharge port 12 is positioned at the lower end of the filter screen 6. The scale falling on the filter screen 6 slides to the scale discharge port 12 under the action of gravity and slides out of the shell 1 from the scale discharge port 12. A dirt collecting box 13 is connected outside the housing 1 and is used for collecting impurities such as water dirt and the like discharged from the dirt discharging port 12.

The implementation principle of the closed cooling tower with the descaling function in the embodiment of the application is as follows: the water pump 23 starts to operate first, and pumps the water in the water collecting tank 3 into the shower pipe 21 and then sprays the water out of the shower head 211. The industrial hot water in the cooling coil 22 is subjected to heat exchange cooling treatment by the spray water, air inlets are formed in two sides of the bottom of the shell 1, and the two air inlets are opposite in position and are connected with air inlet grids 11. Outside air enters the housing 1 through the air inlet and flows upward. When removing the scale, the driving member drives the mounting plate 41 to move up and down in the housing 1, and the flushing water pipe 42 is lifted up and down along with the mounting plate 41 and is simultaneously filled with water flow, so that the water is sprayed out from the flushing hole 421 to flush the cooling coil 22. The scale flushed from the cooling coil 22 is intercepted by the filter screen 6 and does not fall into the sump 3 to affect the shower 21. The scale falling on the filter screen 6 slides to the scale discharge port 12 under the action of gravity and slides into the scale collection box 13 from the scale discharge port 12.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a closed cooling tower with scale removal function, includes casing (1), connects cooling device (2) in casing (1), cooling device (2) are including connecting cooling coil (22), sump (3) that are located cooling coil (22) below on casing (1), its characterized in that: the descaling device comprises a scouring assembly (4) arranged on one side of the cooling coil (22) and a filtering assembly arranged between the cooling coil (22) and the water collecting tank (3).

2. The closed cooling tower with descaling function according to claim 1, wherein: erode subassembly (4) including mounting panel (41) of sliding connection in casing (1), fix erode water pipe (42) on mounting panel (41), be used for driving about the vertical gliding driving piece of mounting panel (41), the vertical setting of mounting panel (41), it has a plurality of holes (421) of erodeing to open one side that erode water pipe (42) are close to cooling coil (22), it communicates with casing (1) outward through hose (423) to erode water pipe (42).

3. The closed cooling tower with descaling function according to claim 2, wherein: the scouring holes (421) are connected with scouring nozzles (422), and the scouring nozzles (422) are arranged towards the cooling coil (22).

4. The closed cooling tower with descaling function according to claim 2, wherein: the driving piece comprises a vertical screw rod (43) rotatably arranged in the shell (1), a moving block (44) in threaded connection with the screw rod (43), and a driving source connected to the shell (1) and used for driving the screw rod (43) to rotate, wherein the moving block (44) is abutted against the side wall of the shell (1), and one side, back to the shell (1), of the moving block (44) is fixedly connected with the mounting plate (41).

5. The closed cooling tower with descaling function according to claim 4, wherein: the driving source is motor (45), motor (45) fixed connection is in the outside of casing (1), the rotation axis of motor (45) runs through to in casing (1), the rotation axis of motor (45) passes through bevel gear group (46) and is connected with screw rod (43).

6. The closed cooling tower with descaling function according to claim 4, wherein: the protective cover is characterized in that a protective cover (5) is connected to the side wall of the shell (1), a vertical sliding groove (51) is formed in one side, close to the mounting plate (41), of the protective cover (5), the screw rod (43) and the bevel gear group (46) are located in the protective cover (5), the moving block (44) extends out of the sliding groove (51) and is connected with the mounting plate (41), and the moving block (44) is in sliding fit with the sliding groove (51).

7. The closed cooling tower with descaling function according to claim 1, wherein: the filtering component comprises a filtering net (6) connected above the water collecting tank (3).

8. The closed cooling tower with descaling function according to claim 7, wherein: the dirty mouthful (12) of row have been opened on casing (1), filter screen (6) slope sets up, the lower one end of filter screen (6) is located dirty mouthful (12) department of row.