CN211552592U - Cleaning device for closed type countercurrent cooling tower - Google Patents

Abstract

The utility model relates to a cleaning device for closed counterflow cooling tower uses in the field, and its technical scheme's main points are: contain the tower body, the bottom of tower body is equipped with the catch basin, the air intake department of tower body is equipped with the grid, the opening part of catch basin is equipped with the backup pad, wear to rotate and have the axis of rotation in the backup pad, the axis of rotation is equipped with the brush towards the one end of catch basin bottom surface, the brush hair of brush supports tightly on the bottom surface of catch basin, be equipped with in the backup pad and be used for driving axis of rotation pivoted waterproof motor, one side of tower body is equipped with the sewage pump, it has inlet tube and outlet pipe to communicate respectively on the sewage pump, the inlet. The utility model discloses the technical effect who has is: can regularly clear up the catch basin automatically, reduce in the cooling water and mixed the possibility that more impurity influences cooling tower cooling effect, promote the cooling effect of cooling tower.

Description

Cleaning Units for Closed Counterflow Cooling Towers

technical field

The utility model relates to the technical field of cooling towers, in particular to a cleaning device for closed-type countercurrent cooling towers.

Background technique

The cooling tower is a device that uses water as a circulating coolant to absorb heat from the system and discharge it into the atmosphere to reduce the water temperature; it is a device that uses water and air flow to exchange heat and cold to generate steam. , Convective heat transfer and radiation heat transfer and other principles to dissipate the waste heat generated in industry or refrigeration and air conditioning to reduce the water temperature evaporative cooling device.

Bulletin No. CN208547264U discloses a mechanical ventilation countercurrent cooling tower evaporation loss reduction device, including a mechanical ventilation countercurrent cooling tower, a water collector is installed above the cooling water distribution pipe of the mechanical ventilation countercurrent cooling tower, and a condensed water spray is installed below the water collector. The condensed water spray pipe is divided into two paths, one is connected to the condensed water circulation pump and the water collection tank in turn through the condensed water circulation pipe, and the other is connected to the production new water supply pipe; the water collector and the condensed water spray pipe are connected with Rotate the nozzle.

The prior art scheme in the above has the following defects: after the above-mentioned device works for a long time, more impurities will be mixed in the sump, and the impurities will affect the cooling speed of the cooling water itself when the impurities follow the cooling water to carry out the cooling cycle, thereby causing the cooling tower. Cooling effect reduced.

Utility model content

The purpose of this utility model is to provide a cleaning device for a closed-type countercurrent cooling tower, the advantages of which are that the sump can be cleaned regularly and automatically, reducing the possibility that many impurities mixed in the cooling water affect the cooling effect of the cooling tower, The cooling effect of the cooling tower has been improved.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: a cleaning device for a closed-type countercurrent cooling tower, comprising a tower body, the bottom of the tower body is provided with a sump, and the inlet of the tower body is provided with a sump. A grille is arranged at the air outlet, a support plate is arranged at the opening of the water collection tank, a rotating shaft is penetrated and rotatably connected to the support plate, and the end of the rotation shaft facing the bottom surface of the water collection tank is provided with a brush. The bristles of the brush are pressed against the bottom surface of the sump, the support plate is provided with a waterproof motor for driving the rotating shaft to rotate, and one side of the tower body is provided with a sewage pump, and the sewage pumps are respectively connected to the inlet and outlet. A water pipe and a water outlet pipe, and the water inlet pipe is communicated with the sump.

Through the above technical solution, the staff can regularly start several waterproof motors, and drive several rotating shafts to drive the brush to rotate. Floating and mixed in the cooling water, start the sewage pump to pump out the cooling water and sundries in the collecting tank to the sewage pump through the water inlet pipe, and then discharge it from the water outlet, and then add clean cooling water to the collecting tank, so as to achieve the correct cooling water. The cleaning effect of the sump reduces the possibility that more impurities in the cooling water will affect the cooling effect of the cooling tower, and improve the cooling effect of the cooling tower.

The utility model is further arranged as follows: a support frame is arranged on one side of the sewage pump, a filter box is arranged on the support frame, the water outlet pipe is communicated with the filter box, and the opening of the filter box is provided with a filter box for sealing The first filter screen plate opened in the filter box, the filter box and the sump are communicated through a return pipe, the return pipe is provided with a valve, and the first filter screen plate is located between the water outlet pipe and the return pipe.

Through the above technical solution, the cooling water and debris in the sump will be pumped into the filter box together by the sewage pump, the first filter screen will filter the cooling water flowing into the filter box, and the impurities in the cooling water will be removed by the first filter. A filter screen plate prevents the cooling water from entering the filter box; when the cooling water in the collecting tank needs to be supplemented, the staff can open the valve, and the cooling water in the filter box will flow into the collecting tank under the influence of its own gravity. In the pool, the cooling water in the collecting pool is supplemented, so as to achieve the effect of circulating the cooling water and save water resources.

The utility model is further configured as follows: a sinking groove is opened at the opening of the filter box, the first filter screen plate is erected on the bottom surface of the sinking groove, and the first filter screen plate is further provided with two parts extending out The handle of the filter box.

Through the above technical solution, the staff can regularly lift the first filter screen plate out of the filter box by grasping the two handles, so that the staff can clean or replace the first filter screen plate, reducing the need for After long-term use of the filter screen plate, the mesh holes on the filter screen plate are blocked by impurities, which makes it difficult for the cooling water to flow into the filter box.

The utility model is further provided that: an opening is provided on the side wall of the filter box away from the tower body, and a baffle plate for closing the opening is bolted to the opening.

Through the above technical solution, the staff can regularly remove the baffle plate by disassembling the bolts, and then clean the bottom surface of the filter box from the opening, which reduces the difficulty for the staff to accumulate on the bottom of the filter box due to the deep depth of the filter box. Debris may be cleaned up.

The utility model is further provided that a connecting pipe is threadedly connected to the nozzle of the return pipe, and a second filter screen plate for closing the nozzle is provided at the nozzle at one end of the connecting pipe away from the return pipe.

Through the above technical solution, the setting of the second filter screen plate will perform secondary filtration on the cooling water flowing back to the sump through the return pipe, further improving the filtering effect of the filter box on the cooling water; at the same time, the staff can periodically connect by rotating The connecting pipe is threaded from the return pipe by means of the pipe, so as to facilitate cleaning or replacement of the second filter screen plate.

The utility model is further provided as follows: the side wall of the tower body is provided with a plurality of slideways, the slideways are respectively provided with slideways, and the two sides of the grille along the width direction are respectively provided with the slideways to match The sliding block is connected in the chute by sliding the sliding block.

Through the above technical solution, the staff can remove the grille from the tower body by sliding the slider out of the chute, so that the staff can clean or replace the grille, reducing the grid size after long-term use. A lot of dust adheres to the grid, which affects the air intake efficiency of the cooling tower, resulting in the possibility of reducing the cooling effect of the cooling tower.

The utility model is further provided that: the bottom of the chute is rotatably connected with a number of rollers, and the rollers and the slider are pressed against each other.

Through the above technical solution, when the slider slides in the chute, several rollers will rotate under the driving of the slider, and the arrangement of several rollers reduces the friction between the slider and the chute, so that the staff can compare Effortlessly remove the grille from the tower body, saving manpower.

The utility model is further provided as follows: several end faces of the slideways facing away from the tower body are provided with pressing shafts which are threaded and connected, and the pressing shafts are communicated with the slide grooves and one end located in the slide grooves is pressed against the sliding block. .

With the above technical solution, the pressing shaft is pressed against the slider, making it difficult for the slider to continue to slide along the chute, thus making it difficult for the grille to escape from the chute, and improving the firmness of the connection between the grille and the tower.

To sum up, the beneficial technical effects of the present utility model are:

1. The cleaning device can regularly and automatically clean the water collection tank, reducing the possibility that more impurities in the cooling water will affect the cooling effect of the cooling tower, and improving the cooling effect of the cooling tower;

2. The setting of the filter box enables the cooling water pumped out by the sewage pump to be filtered and returned to the sump, which achieves the effect of recycling the cooling water and saves water resources;

3. The grid can be removed from the tower body by sliding, so that the staff can regularly clean or replace the grid.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of this embodiment.

FIG. 2 is a schematic structural diagram of the present embodiment used to embody the part of the water collecting tank.

FIG. 3 is an exploded schematic diagram of the sink tank in this embodiment.

FIG. 4 is a schematic diagram of the structure of the present embodiment for embodying the connecting pipe.

FIG. 5 is a schematic structural diagram of the present embodiment for embodying the slideway.

FIG. 6 is an enlarged view of A in FIG. 5 .

Reference numerals: 1, tower body; 2, water collection tank; 3, grille; 4, support plate; 5, rotating shaft; 6, brush; 7, waterproof motor; 8, sewage pump; 9, water inlet pipe; 10 , outlet pipe; 11, support frame; 12, filter box; 13, first filter screen plate; 14, return pipe; 15, valve; 16, sink; 17, handle; 18, opening; 19, baffle; 20, connecting pipe; 21, the second filter screen; 22, slide; 23, chute; 24, slider; 25, roller; 26, abutting shaft; 27, water supply pipe; 28, rubber pad.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Example: A cleaning device for a closed counter-current cooling tower, as shown in Figures 1 and 2, includes a square tower body 1 and a sewage pump 8 located on one side of the tower body 1. The cooling water sump 2, the opening of the sump 2 is evenly provided with three support plates 4 along the length of the sump 2, the support plates 4 and the bottom of the sump 2 are parallel to each other, and the support plates 4 are pierced along the vertical direction and parallel to each other. A rotating shaft 5 is rotatably connected, and one end of the rotating shaft 5 located below the support plate 4 is bolted with a brush 6, and the bristles of the brush 6 are pressed against the bottom surface of the sump 2, and the support plate 4 is also bolted to drive the rotation. A waterproof motor 7 that rotates the shaft 5.

As shown in FIG. 1 and FIG. 2 , the sewage pump 8 is connected with a water inlet pipe 9 and a water outlet pipe 10 respectively, the water inlet pipe 9 and the water collection tank 2 are connected with each other, and the tower body 1 is also connected with a water supply pipe for supplying water to the water collection tank 2 27. Therefore, the staff can regularly start a number of waterproof motors 7, drive the rotating shaft 5 to drive the brush 6 to rotate, and the bristles of the brush 6 rotate against the bottom of the sump 2, while cleaning the sump 2, it also has the ability to stir the cooling water. Then, the sewage pump 8 is started to pump out the cooling water in the water collection tank 2 through the water inlet pipe 9, and then the cooling water is discharged from the water collection tank 2 through the water outlet pipe 10, and then through the water inlet pipe 9. The water supply pipe 27 supplements the cooling water in the sump 2, thereby achieving the effect of cleaning the sump 2, reducing the possibility that many impurities in the cooling water will affect the cooling effect of the cooling tower, and improving the cooling effect of the cooling tower .

As shown in FIGS. 1 and 3 , a support frame 11 is also erected on one side of the sewage pump 8 . The height of the upper end face of the support frame 11 is higher than that of the upper end face of the sump 2 (refer to FIG. 2 ). The filter box 12, the opening of the filter box 12 is provided with a sinker 16 along the periphery, and the sinker 16 is provided with a first filter screen plate 13 for closing the opening of the filter box 12, and the first filter screen plate 13 is respectively vertically fixed with The two parts extend out of the handle 17 of the filter box 12, the water outlet pipe 10 on the sewage pump 8 is communicated with the filter box 12, and the nozzle of the water outlet pipe 10 is flush with the inner wall of the filter box 12 and located on the first filter screen plate 13. above. Therefore, the cooling water discharged from the water outlet pipe 10 will flow into the filter box 12, the first filter screen plate 13 plays the role of filtering the cooling water, and the sundries in the cooling water will be blocked by the first filter screen plate It is difficult to follow the cooling water to fall into the filter box 12 on the 13; the staff can regularly lift and remove the first filter screen plate 13 from the filter box 12 by grasping the two handles 17 by hand, so as to facilitate the inspection of the first filter screen 13. A filter screen plate 13 is cleaned or replaced.

As shown in FIG. 1 and FIG. 4 , the filter box 12 and the sump 2 are communicated with each other through a return pipe 14 . The return pipe 14 is provided with a valve 15 for controlling the on-off state of the return pipe 14 , and the return pipe 14 partially extends to the filter box 12 . Inside and above the bottom surface of the filter box 12, the first filter screen plate 13 is located above the return pipe 14, and the return pipe 14 is located in the filter box 12. A second filter screen plate 21 for closing the connecting pipe 20 is bolted at the port. Therefore, the cooling water falling into the filter box 12 from the first filter screen plate 13 will accumulate at the bottom of the filter box 12, the staff can open the valve 15, and the cooling water accumulated in the filter box 12 will return from the backflow. The pipe 14 flows into the sump 2 to supplement the cooling water in the sump 2; thereby achieving the effect of circulating the cooling water and saving water resources; the setting of the second filter screen plate 21 further strengthens the filter box 12. The filtering effect of cooling water.

As shown in Figures 3 and 4, the staff can periodically remove the first filter screen plate 13, and remove the connecting pipe 20 from the return pipe 14, and then the staff can remove the second filter screen by bolts. The plate 21 is removed to facilitate cleaning or replacement of the second filter screen plate 21, which reduces the possibility of the return pipe 14 being blocked.

As shown in FIG. 3 and FIG. 4 , the side wall of the filter box 12 is provided with an opening 18 , the bottom surface of the opening 18 and the lower bottom surface of the filter box 12 are flush with each other, and the two side walls of the opening 18 are respectively aligned with the filter box 12 . The two side walls are flush with each other, the opening 18 is bolted with a baffle 19 for closing the opening 18, the end face of the baffle 19 facing the opening 18 is bonded with a rubber pad 28, and the rubber pad 28 is pressed against the baffle 19 and the filter box 12; the setting of the rubber pad 28 has the effect of sealing the connection gap between the baffle 19 and the filter screen plate, reducing the possibility of leakage of the cooling water in the filter box 12 from the opening 18 . Therefore, the staff can regularly remove the baffle 19 from the opening 18, and then clean the bottom of the filter box 12 from the opening 18, which reduces the possibility that too many impurities are deposited at the bottom of the filter box 12, which is difficult for the staff to clean. ; At the same time, the arrangement of the opening 18 makes it easier for the staff to disassemble the connecting pipe 20, which improves the work efficiency of the staff.

As shown in Figures 5 and 6, a cleaning device for a closed counter-current cooling tower also includes a plurality of grilles 3 located at the air inlet, and a plurality of sliding plates are relatively fixed up and down on the side wall at the air inlet of the tower body 1. Sliding grooves 23 are provided on the opposite end surfaces of the sliding grooves 22. The two ends of the sliding grooves 23 along the length direction respectively extend out of the sliding grooves 22. The sliding grooves 23 are respectively connected with rollers 25, and the grid 3 is in the width direction. The two sides are respectively fixed with sliders 24 that match with the chute 23, and several grids 3 are respectively connected to the tower body 1 through the sliders 24 against several rollers 25 and slidingly connected in the chute 23. Connect and close the air inlet of the tower body 1; the end face of the slideway 22 facing away from the tower body 1 is threaded and connected with a number of abutting shafts 26 that communicate with the sliding groove 23, and the slider 24 is pressed against the abutting shaft 26. The side wall of the chute 23 makes it difficult for the grid 3 to shake relative to the tower body 1 , thereby enhancing the firmness of the connection between the grid 3 and the tower body 1 . Therefore, the staff can periodically turn the abutment shaft 26 to loosen the slider 24, and then slide the grille 3 out of the chute 23 to disassemble the grille 3, so as to clean or replace the grille 3; the roller 25 The setting reduces the resistance of the grid 3 when sliding, so that the staff can slide the grid 3 with less effort.

The implementation principle of this embodiment is as follows: the staff can regularly start several waterproof motors 7, drive the brushes 6 to rotate to clean and stir the sump 2, and start the sewage pump 8 to pump out all the cooling water in the sump 2 to the filter box 12. filter inside, close the sewage pump 8 and the waterproof motor 7, open the valve 15 to make the cooling water in the filter box 12 return to the sump 2, and at the same time inject new cooling water into the sump 2 through the water supply pipe 27 to supplement the sump 2 In this way, the effect of cleaning the sump 2 is achieved, reducing the possibility that more impurities in the cooling water will affect the cooling effect of the cooling tower, and improving the cooling effect of the cooling tower; at the same time, the staff can pass the two A handle 17 lifts and removes the first filter screen plate 13 from the filter box 12, removes the baffle plate 19 by bolt removal, and removes the thread of the connecting pipe 20 through the opening 18, so as to facilitate the filtering of the first filter screen 13. The screen plate 13 and the second filter screen plate 21 are cleaned and replaced and the bottom of the filter box 12 is cleaned.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. a cleaning device for a closed counter-current cooling tower, comprising a tower body (1), the bottom of the tower body (1) is provided with a water collection tank (2), and the air inlet of the tower body (1) A grill (3) is provided, and is characterized in that: a support plate (4) is provided at the opening of the water collecting tank (2), and a rotating shaft (5) is penetrated and rotatably connected to the support plate (4), The end of the rotating shaft (5) facing the bottom surface of the water collecting tank (2) is provided with a brush (6), the bristles of the brush (6) are pressed against the bottom surface of the water collecting tank (2), and the support plate ( 4) There is a waterproof motor (7) for driving the rotating shaft (5) to rotate, and a sewage pump (8) is arranged on one side of the tower body (1), and the sewage pump (8) is connected with an inlet and outlet respectively. A water pipe (9) and a water outlet pipe (10) are provided, and the water inlet pipe (9) is communicated with the water collecting tank (2). 2. The cleaning device for a closed-type countercurrent cooling tower according to claim 1, characterized in that: a support frame (11) is provided on one side of the sewage pump (8), and the support frame (11) is mounted on the support frame (11). A filter box (12) is provided, the water outlet pipe (10) is communicated with the filter box (12), and the opening of the filter box (12) is provided with a first filter screen plate for closing the opening of the filter box (12) (13), the filter box (12) and the sump (2) are connected through a return pipe (14), the return pipe (14) is provided with a valve (15), and the first filter screen plate (13) is located between the water outlet pipe (10) and the return pipe (14). 3. The cleaning device for a closed-type countercurrent cooling tower according to claim 2, characterized in that: the opening of the filter box (12) is provided with a sink (16), and the first filter screen plate ( 13) It is erected on the bottom surface of the sink (16), and the first filter screen plate (13) is further provided with two handles (17) partially extending out of the filter box (12). 4. The cleaning device for a closed counter-current cooling tower according to claim 2, wherein the filter box (12) is provided with an opening (18) on the side wall away from the tower body (1), so that the The opening (18) is bolted with a baffle plate (19) for closing the opening (18). 5. The cleaning device for a closed counter-current cooling tower according to claim 3, characterized in that: a connecting pipe (20) is threadedly connected to the nozzle of the return pipe (14), and the connecting pipe (20) ) is provided with a second filter screen plate (21) for closing the nozzle at the nozzle at one end away from the return pipe (14). 6. The cleaning device for a closed counter-current cooling tower according to claim 1, characterized in that: a number of slideways (22) are provided on the side wall of the tower body (1), and a number of the slideways ( 22) are respectively provided with chute (23), the two sides of the grille (3) along the width direction are respectively provided with sliders (24) matching with the chute (23), the grille (3) The sliding block (24) is slidably connected in the chute (23). 7. The cleaning device for a closed counter-current cooling tower according to claim 6, characterized in that: the bottom of the chute (23) is rotatably connected with a number of rollers (25), and a number of the rollers (25) are connected with The sliders (24) are pressed against each other. 8. The cleaning device for a closed-type countercurrent cooling tower according to claim 6, characterized in that: the end faces of several of the slideways (22) facing away from the tower body (1) are threaded and connected with abutting shafts (26), the abutting shaft (26) communicates with the chute (23), and one end located in the chute (23) is pressed against the slider (24).

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