CN211782866U - A closed cooling tower with descaling function - Google Patents

Abstract

The utility model discloses a closed cooling tower with a descaling function, which comprises a cooling tower body and a water collecting tank located at the bottom of the cooling tower body. Equipped with filter mechanism. The beneficial effect of the utility model is that the cooling mechanism located in the cooling tower body can effectively perform heat exchange and cooling treatment on the industrial hot water, the cleaning head can clean the scale formed on the surface of the cooling coil, and the labor for manual cleaning can be reduced. The filter mechanism can filter scale impurities and prevent the scale impurities from flowing into the sump and causing blockage of the spray pipe.

Description

A closed cooling tower with descaling function

technical field

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

Background technique

The closed cooling tower, referred to as the closed cooling tower, places the tubular heat exchanger in the tower, and ensures the cooling effect through the heat exchange of circulating air, spray water and circulating water. Because it is a closed cycle, it can ensure that the water quality is not polluted, well protect the efficient operation of the main equipment, and improve the service life.

With the implementation of the national energy conservation and emission reduction policy and the increasing scarcity of water resources, closed cooling towers have been widely used in metallurgy, aviation, electric power, chemical industry, machinery, petroleum, food, plastic, rubber and other industries in recent years. At present, most of the closed cooling towers used in industrial hot water cooling use cooling coils for heat exchange cooling treatment. The surface of the cooling coils is prone to scale when used for a long time, which is laborious and laborious to clean, and the scale easily flows into the sump with the spray water. , causing the blockage of the spray pipe and affecting the cooling effect.

Utility model content

In view of the above defects, the utility model provides a closed cooling tower with a descaling function to solve the problem of descaling of the closed cooling tower.

To achieve the above object, the utility model adopts the following technical solutions:

A closed cooling tower with a descaling function, comprising a cooling tower body and a water collecting pool located at the bottom of the cooling tower body, a cooling mechanism is arranged in the cooling tower body, and a filtering mechanism is arranged on the water collecting pool;

The cooling mechanism includes a water outlet pipe, a water pump, an impurity filter, a spray pipe, several spray heads, a water collector, a cooling coil, a set of opposite air inlets, an air inlet grille, an air outlet and an air exhaust. The water outlet pipe is inserted on one side of the bottom of the cooling tower body and communicated with the water collection tank, the suction pump is connected with the water outlet pipe, the impurity filter screen is installed on the inner end of the water outlet pipe, and the spray pipe Installed at the upper end of the cooling tower body and communicated with the water outlet pipe, several spray heads are evenly installed at the bottom of the spray pipe, the water collector is installed above the spray pipe, and the cooling coil is installed on the spray pipe. Below the pipe, a group of opposite air inlets are opened on both sides of the bottom of the cooling tower body, the air inlet grille is installed in the air inlet, the air outlet is opened at the upper end of the cooling tower body, and the exhaust fan is installed in the exhaust air. In the mouth;

The filtering mechanism includes a set of opposite mounting shells, several cleaning heads, a transmission rod, a fixed end shaft, a fixed end shaft two, an electric push rod, a mounting plate, a scale filter, an electro-hydraulic push rod, a cleaning plate brush, and a discharger. Miscellaneous ports and foreign matter collection boxes, a set of opposite installation shells are installed on the opposite inner side walls of the cooling tower body, and are located on both sides of the cooling coil, the front ends of several cleaning heads are hinged in the mounting shell, and the transmission rod is hinged at the The rear ends of several cleaning heads, the first fixed end shaft is installed on the inner wall of one side of the cooling tower body, the second fixed end shaft is installed on the transmission rod, and one end of the electric push rod is hinged on the first fixed end shaft, And the other end is hinged on the second fixed end shaft, the mounting plate is installed obliquely at the bottom of the cooling tower body, and is located above the sump, the scale filter is installed in the mounting plate, and the electro-hydraulic push rod is installed obliquely. On one side of the cooling tower body, and the telescopic end extends into the cooling tower body, the cleaning plate brush is installed on the telescopic end of the electro-hydraulic push rod, and the bottom corresponds to the scale filter screen, and the impurity discharge port is opened in the cooling tower body On the bottom side, the impurity collection box is arranged on one side of the cooling tower body, and corresponds to the position of the impurity discharge port.

Further, a liquid level indicator is installed on the water collecting tank, and a water inlet pipe is inserted on one side.

Further, the upper end of the cooling coil is provided with a fluid inlet, the fluid inlet is communicated with the industrial hot water pipeline, the lower end of the cooling coil is provided with a fluid outlet, and the fluid outlet is communicated with the cooled industrial circulating water pipe.

Further, the front end of the mounting shell is provided with a plurality of strip holes corresponding to the cleaning head.

Further, several cleaning heads are communicated through a cleaning hose, and the cleaning hose is connected with an external municipal water pipe.

The utility model provides a closed cooling tower with descaling function. The scale formed on the surface is cleaned to reduce manual cleaning labor, and the filter mechanism can filter scale impurities to prevent the scale impurities from flowing into the sump and causing blockage of the spray pipe.

Description of drawings

Fig. 1 is a schematic diagram of a closed cooling tower with descaling function according to the utility model.

Figure 2 is a schematic diagram of the cleaning of the water collector according to the utility model.

Fig. 3 is a partial enlarged view of part A in Fig. 2 of the utility model.

FIG. 4 is a top view of the scale filter according to the utility model.

FIG. 5 is a schematic diagram of the air inlet according to the present invention.

In the figure: 1. Cooling tower body; 2. Water collection tank; 3. Water outlet pipe; 4. Pumping pump; 5. Impurity filter; 6. Spray pipe; 7. Spray head; 8. Water collector; 9. Cooling coil; 10, air inlet; 11, air inlet grille; 12, air outlet; 13, exhaust fan; 14, installation shell; 15, cleaning head; 16, transmission rod; 17, fixed end shaft 1; 18 , fixed end shaft two; 19, electric push rod; 20, installation plate; 21, scale filter; 22, electro-hydraulic push rod; 23, cleaning plate brush; 24, impurity outlet; 25, impurity collection box; 26, liquid 27, water inlet pipe; 28, fluid inlet; 29, fluid outlet; 30, strip hole; 31, cleaning hose.

Detailed ways

The present utility model will be described in detail below in conjunction with the accompanying drawings, as shown in Figures 1-5: a closed cooling tower with a descaling function, comprising a cooling tower body 1 and a sump 2 located at the bottom of the cooling tower body 1, so The cooling tower body 1 is provided with a cooling mechanism, and the water collection tank 2 is provided with a filtering mechanism; the cooling mechanism includes a water outlet pipe 3, a suction pump 4, an impurity filter screen 5, a spray pipe 6, and several spray heads. 7. The water collector 8, the cooling coil 9, a set of opposite air inlets 10, the air inlet grille 11, the air outlet 12 and the exhaust fan 13, the water outlet pipe 3 is inserted on the bottom side of the cooling tower body 1 , and communicated with the sump 2, the suction pump 4 is connected with the water outlet pipe 3, the impurity filter screen 5 is installed on the inner end of the water outlet pipe 3, and the spray pipe 6 is installed in the upper end of the cooling tower body 1, And communicated with the water outlet pipe 3, several spray heads 7 are evenly installed at the bottom of the spray pipe 6, the water collector 8 is installed above the spray pipe 6, and the cooling coil 9 is installed on the spray pipe 6. Below, a group of opposite air inlets 10 are opened on both sides of the bottom of the cooling tower body 1, the air inlet grille 11 is installed in the air inlet 10, the air exhaust port 12 is opened at the upper end of the cooling tower body 1, the exhaust air The filter 13 is installed in the air outlet 12; the filter mechanism includes a set of opposite mounting shells 14, several cleaning heads 15, a transmission rod 16, a fixed end shaft 17, a fixed end shaft 2 18, an electric push rod 19, The mounting plate 20, the scale filter screen 21, the electro-hydraulic push rod 22, the cleaning plate brush 23, the impurity discharge port 24 and the impurity collection box 25, a set of relative mounting shells 14 are installed on the opposite inner side walls of the cooling tower body 1, and are located in the cooling tower body 1. On both sides of the coil 9, the front ends of several cleaning heads 15 are hinged in the mounting shell 14, the transmission rods 16 are hinged at the rear ends of the several cleaning heads 15, and the fixed end shafts 17 are installed on the cooling tower body 11. On the side inner wall, the second fixed end shaft 18 is installed on the transmission rod 16, one end of the electric push rod 19 is hinged on the first fixed end shaft 17, and the other end is hinged on the second fixed end shaft 18. The mounting plate 20 is installed obliquely on the inner bottom of the cooling tower body 1, and is located above the sump 2, the scale filter 21 is installed in the mounting plate 20, and the electro-hydraulic push rod 22 is installed obliquely on one side of the cooling tower body 1, And the telescopic end extends into the cooling tower body 1 , the cleaning plate brush 23 is installed on the telescopic end of the electro-hydraulic push rod 22 , and the bottom corresponds to the scale filter 21 , and the impurities discharge port 24 is opened at the bottom of the cooling tower body 1 . On one side, the impurity collection box 25 is arranged on one side of the cooling tower body 1, and corresponds to the position of the impurity discharge port 24; a liquid level indicator 26 is installed on the water collection tank 2, and one side is inserted with an inlet Water pipe 27; the upper end of the cooling coil 9 is provided with a fluid inlet 28, the fluid inlet 28 is communicated with the industrial hot water pipeline, the lower end of the cooling coil 9 is provided with a fluid outlet 29, and the fluid outlet 29 is connected to the cooled industrial circulating water pipe The front end of the installation shell 14 is provided with a number of strip holes 30 corresponding to the cleaning head 15; The wash hose 31 is communicated, and the wash hose 31 is connected to an external municipal water pipe.

The working principle of this embodiment: the electrical equipment used in the device is controlled by an external controller, the upper end of the cooling coil 9 is provided with a fluid inlet 28, the fluid inlet 28 is communicated with the industrial hot water pipeline, and the lower end of the cooling coil 9 is opened There is a fluid outlet 29, and the fluid outlet 29 is communicated with the cooled industrial circulating water pipe. When in use, the industrial hot water flows into the cooling coil 9 through the fluid inlet 28 for cooling and cooling;

During cooling: the water pump 4 starts to work first, pumping the spray water in the sump 2 into the outlet pipe 3, and the outlet pipe 3 is inserted into the inner end of the sump 2 and is installed with an impurity filter 5. The impurity filter 5 is used for The impurities in the water are sprayed in the filtering sump 2, the water outlet pipe 3 is communicated with the spray pipe 6, the spray pipe 6 is installed in the upper end of the cooling tower body 1, and a number of spray heads 7 are evenly installed at the bottom to spray water. Finally, it is sprayed through the spray head 7 to perform heat exchange cooling and cooling treatment on the industrial hot water in the cooling coil 9. A set of opposite air inlets 10 are opened on both sides of the bottom of the cooling tower body 1, and the external air enters the cooling tower through the air inlets 10. In the main body 1, and flow upward, the air inlet grille 11 is installed in the air inlet 10, so that the air entering the cooling tower body 1 is more uniform, the spray water flows from top to bottom, and the cooling coil 9 needs to be cooled. The industrial hot water flows from bottom to top, and the flow of air and the flow of the industrial hot water to be cooled in the cooling coil 9 form a countercurrent flow, which increases the air circulation area and improves the cooling effect of the industrial hot water. Above the spray pipe 6 A water collector 8 is installed. The water collector 8 can be used to collect the water droplets in the water vapor generated during cooling and reduce the loss of spray water. The top of the cooling tower body 1 is provided with an air exhaust port 12, and an air exhaust port is installed in the air exhaust port 12. 13, the exhaust fan 13 can extract the water vapor after water collection and the air after heat exchange, and a liquid level indicator 26 is installed on the sump 2, and the liquid level indicator 26 is used to display the liquid level in the sump 2, and A water inlet pipe 27 is inserted on one side of the water collection tank 2, and the water inlet pipe 27 can add spray water to the water collection tank 2, and the industrial hot water can be effectively cooled by heat exchange through the cooling mechanism located in the cooling tower body 1;

During filtration: several cleaning heads are connected through the cleaning hose 31, and the cleaning hose 31 is connected to the external municipal water pipe. When the scale on the cooling coil 9 needs to be cleaned, the cleaning head first starts to work, and the cooling coil is cleaned. The scale on the 9 is cleaned, the front ends of several cleaning heads are hinged in the installation shell 14, and the rear ends are hinged with a transmission rod 16, the electric push rod 19 starts to work at the same time, and one end of the electric push rod 19 is hinged on the fixed end shaft 17. and the other end is hinged on the fixed end shaft 2 18, the telescoping of the electric push rod 19 can drive the cleaning head on the transmission rod 16 to swing up and down, effectively improving the cleaning effect of the cooling coil 9, and the scale after cleaning falls on On the scale filter screen 21, the scale filter screen 21 is set at an incline. Under the action of gravity, the scale moves to the impurity discharge port 24. When it is necessary to clean the scale on the scale filter screen 21, turn on the switch of the electro-hydraulic push rod 22, and the electro-hydraulic push rod 22 is turned on. The rod 22 drives the cleaning plate brush 23 on the telescopic end to clean the impurities on the scale filter screen 21. The cleaned scale impurities enter the impurities collection box 25 through the impurities discharge port 24. The cleaning head can clean the impurities formed on the surface of the cooling coil 9. The scale is cleaned, reducing the labor for manual cleaning, and the filter mechanism can filter the scale impurities to prevent the scale impurities from flowing into the sump 2 and causing blockage of the spray pipe.

The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention, and some changes that those skilled in the art may make to some parts of them all reflect the principles of the present invention and belong to the protection scope of the present invention. within.

Claims (5)

1. A closed cooling tower with descaling function, comprising a cooling tower body (1) and a sump (2) at the inner bottom of the cooling tower body (1), characterized in that the cooling tower body (1) A cooling mechanism is provided inside, and a filtering mechanism is provided on the water collecting tank (2); The cooling mechanism includes a water outlet pipe (3), a water pump (4), an impurity filter screen (5), a spray pipe (6), several spray heads (7), a water collector (8), and a cooling coil (9), a set of opposite air inlets (10), air inlet grilles (11), air outlets (12) and exhaust fans (13), the water outlet pipes (3) are inserted into the cooling tower body (1); ) on the bottom side, and communicates with the sump (2), the suction pump (4) is connected with the water outlet pipe (3), and the impurity filter screen (5) is installed on the inner end of the water outlet pipe (3), so The spray pipe (6) is installed on the inner upper end of the cooling tower body (1), and communicates with the water outlet pipe (3), and several spray heads (7) are evenly installed at the bottom of the spray pipe (6). The water collector (8) is installed above the spray pipe (6), the cooling coil (9) is installed under the spray pipe (6), and a set of opposite air inlets (10) are opened in the cooling tower body (1). ) on both sides of the bottom, the air inlet grill (11) is installed in the air inlet (10), the air outlet (12) is opened at the upper end of the cooling tower body (1), and the exhaust fan (13) is installed in the Inside the air outlet (12); The filtering mechanism includes a set of opposite mounting shells (14), a plurality of cleaning heads (15), a transmission rod (16), a fixed end shaft (17), a fixed end shaft two (18), an electric push rod (19) ), the installation plate (20), the scale filter (21), the electro-hydraulic push rod (22), the cleaning plate brush (23), the impurity outlet (24) and the impurity collection box (25), a set of opposite installation shells ( 14) Installed on the opposite inner side wall of the cooling tower body (1) and located on both sides of the cooling coil (9), the front ends of several cleaning heads (15) are hinged in the mounting shell (14), the ) is hinged at the rear end of several cleaning heads (15), the fixed end shaft one (17) is installed on the inner wall of one side of the cooling tower body (1), and the fixed end shaft two (18) is installed on the transmission rod ( 16), one end of the electric push rod (19) is hinged on the fixed end shaft one (17), and the other end is hinged on the fixed end shaft two (18). The inner bottom of the cooling tower body (1) is located above the sump (2), the scale filter screen (21) is installed in the mounting plate (20), and the electro-hydraulic push rod (22) is installed obliquely on the cooling tower body (1) One side, and the telescopic end extends into the cooling tower body (1), the cleaning plate brush (23) is installed on the telescopic end of the electro-hydraulic push rod (22), and the bottom corresponds to the scale filter (21) , the impurity discharge port (24) is opened on the bottom side of the cooling tower body (1), and the impurity collection box (25) is arranged on the side of the cooling tower body (1), and is connected with the impurity discharge port (24) corresponding to the location. 2 . The closed cooling tower with descaling function according to claim 1 , wherein a liquid level indicator ( 26 ) is installed on the sump ( 2 ), and a water inlet is inserted on one side. 3 . Pipes (27). 3. A closed cooling tower with descaling function according to claim 1, characterized in that a fluid inlet (28) is opened on the upper end of the cooling coil (9), and the fluid inlet (28) is connected to the industrial heat exchanger. The water pipes are connected, the lower end of the cooling coil (9) is provided with a fluid outlet (29), and the fluid outlet (29) is communicated with the cooled industrial circulating water pipe. 4. A closed cooling tower with descaling function according to claim 1, characterized in that the front end of the mounting shell (14) is provided with a plurality of strip holes ( 30). 5. A closed cooling tower with descaling function according to claim 1, characterized in that, several cleaning heads (15) are communicated through cleaning hoses (31), and the cleaning hoses (31) are connected to the outside City water mains connection.

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