CN210795998U - Waste water recycling device for power plant pure water equipment - Google Patents

Abstract

The utility model provides a waste water reuse device for pure water equipment in a power plant, comprising a base plate and a refrigerator. A stirring box is arranged on the base plate through a first support leg, and the stirring box is provided with a first bearing and a second bearing. The bearing is provided with a first rotating shaft, the end of the first rotating shaft located in the mixing box is provided with a first stirring blade, the end of the first rotating shaft located outside the stirring box is provided with a first pulley, and a support plate is fixedly connected between the first support legs , the support plate is provided with a motor, the other end of the second rotating shaft is fixedly connected with the output shaft of the motor, the stirring box is connected with the sedimentation tank through the first conveying pipe, the sedimentation tank is connected with the filter box through the second conveying pipe, and the filter box is connected through the connection The first through pipe is communicated with the water inlet of the water pump, the water outlet of the water pump is communicated with the refrigerator through the second communication pipe, and the refrigerator is arranged on the base plate. The impact of the machine, more adaptable to the needs of users and other advantages.

Description

A waste water reuse device for pure water equipment in power plants

technical field

The utility model belongs to the technical field of power plant equipment, in particular to a waste water reuse device used for pure water equipment in power plants.

Background technique

In recent years, with the rapid development of petrochemical, electric power, metallurgy, coal chemical and other industries, the amount of wastewater with complex components in industrial production is also increasing. How to make good use of this part of wastewater is of great significance for protecting the surrounding environment and natural water bodies on which we depend, further improving the comprehensive utilization rate of water resources, and alleviating the shortage of water resources.

The concentrated water with high salt content comes from the reverse osmosis concentrated water, electrodialysis concentrated water, circulating sewage and other industrial wastewater in the water treatment of industrial enterprises. At present, the treatment methods for high-salt concentrated water include high-efficiency reverse osmosis, over-frequency vibrating membrane, etc., but these process equipment have problems such as high operating cost and fouling structure during operation. The traditional methods of degrading COD include biological methods and biochemical methods. However, COD in high-salt concentrated water is difficult to biodegrade, and only activated carbon adsorption method and ion exchange method can be used.

SUMMARY OF THE INVENTION

The problem to be solved by the utility model is to provide a waste water reuse device of the pure water equipment of the power plant, which can clean the impurities in the waste water for many times and reuse it as cooling water.

In order to solve the above technical problems, the technical scheme adopted by the present invention is: a waste water reuse device for pure water equipment in power plants, comprising a base plate and a refrigerator, and the base plate is fixedly connected with a first support leg and a second support leg, the first support leg is fixedly connected with an electric push rod, the shell of the electric push rod is fixedly connected with a stirring box, the stirring box is provided with a first bearing and a second bearing, and the first bearing is provided with a The first rotating shaft, one end of the first rotating shaft located in the stirring box is provided with a first stirring blade, the end of the first rotating shaft located outside the stirring box is provided with a first pulley, and the first support legs are fixedly connected with a support plate, the second support leg penetrates the support plate and is fixedly connected to the first pulley, the support plate is provided with a motor, the output shaft of the motor is provided with a second pulley, the first pulley is connected to the first pulley The two pulleys are connected by belt drive, the second bearing is provided with a second rotating shaft, one end of the second rotating shaft is provided with a second stirring blade, and the other end of the second rotating shaft is fixedly connected with the output shaft of the motor, so The stirring tank is communicated with the sedimentation tank through the first conveying pipe, the sedimentation tank is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a first filter screen and a second filter screen, and the sedimentation tank is transported through the second The pipe is communicated with the filter box, the end of the second conveying pipe close to the filter box is provided with a shunt pipe, the shunt pipe is fixedly connected with a first nozzle, and the first nozzle is fixed to the box of the filter box There is a filter layer in the filter box, the filter box is communicated with the water inlet of the water pump through the first communication pipe, and the water outlet of the water pump is communicated with the refrigerator through the second communication pipe, and the refrigerator is set on the substrate.

Further, the stirring box is further provided with a feeding hole, and a protective plate is arranged above the feeding hole, and the protective plate is movably connected with the shell of the stirring box through a hinge.

Further, a first cleaning pipe and a second cleaning pipe are also arranged on the sedimentation tank, and the second cleaning pipe is fixedly connected with a second spray head.

Further, a feeding pipe is provided on the side of the mixing box, and a valve is provided on the side of the first conveying pipe, the second conveying pipe and the first cleaning pipe.

Further, the aperture of the first filter screen is larger than that of the second filter screen.

Further, the output shaft of the electric push rod is arranged inside the stirring box, and the output shaft of the electric push rod is fixedly connected with a scraper.

Further, the first stirring blade and the second stirring blade are arranged in opposite directions.

Further, the first conveying pipe is fixedly connected to the bottom end of the sedimentation tank, and the second conveying pipe is fixedly connected to the top of the sedimentation tank.

Further, the filter layer may be a porous adsorbent material.

Further, the air cylinder, electric push rod, motor, water pump and refrigerator are electrically connected with an external control system.

Compared with the prior art, the advantages and positive effects of the present utility model are:

In the utility model, the output shaft of the motor drives the second pulley to rotate, and the second pulley drives the first pulley to rotate through the belt, so that the first rotating shaft can drive the stirring blade to rotate, and the first stirring blade and the second stirring blade in the stirring box are used. Stir the wastewater and the flocculant to speed up the mixing efficiency of the wastewater and the flocculant. Open the valve to make the water in the mixing tank enter the sedimentation tank through the conveying pipe. The valve can control the amount of water. Open the valve to make the wastewater flow into the sedimentation tank. , the level in the sedimentation tank rises, and under the action of the first filter screen and the second filter screen, the solids in the turbid wastewater are left at the bottom of the sedimentation tank, and the supernatant flows from the second delivery pipe into the shunt pipe, The shunt pipe is fixedly connected with a first nozzle, and the supernatant is evenly sprayed on the filter layer through the first nozzle to adsorb excess ions and COD degradants in the supernatant, so as to reduce the impact of impurities on the refrigerator. Sealing the mixing box can prevent the waste water from splashing out during the process of stirring the waste water. At the same time, it is convenient to add flocculant to the mixing box by using the feeding hole and the protective plate, and using the feeding pipe to easily add waste water to the mixing box. Treatment, through the cooperation of various structures, it is convenient to clean up the impurities in the waste water again, which can reduce the impact of impurities on the refrigerator, facilitate the production of cooling water by the refrigerator, improve the utilization efficiency of waste water, and better meet the needs of user needs.

Description of drawings

Fig. 1 is the front view of the utility model;

Figure 2 is a cross-sectional view of the utility model.

In the figure: base plate-1, first support leg-2, stirring box-3, first bearing-4, first rotating shaft 5, first stirring blade-6, first pulley-7, support plate-8, motor- 9. The second pulley-10, the belt-11, the first conveying pipe-12, the sedimentation box-13, the first filter screen-14, the second bearing-15, the second rotating shaft-16, the second stirring blade-17, The second filter screen-18, the second conveying pipe-19, the filter box-20, the shunt pipe-21, the first nozzle-22, the first connecting pipe-23, the water pump-24, the second connecting pipe-25, the refrigerator -26, feeding hole-27, protective plate-28, feeding pipe-29, first cleaning pipe-30, valve-31, second cleaning pipe-32, filter layer-33, scraper-34, electric push rod- 35. Cylinder-36, second support leg-37, output shaft-38, second nozzle-39.

Detailed ways

For better understanding of the present utility model, the present utility model will be further described below with reference to specific embodiments and accompanying drawings.

As shown in FIG. 1-FIG. 2, a wastewater reuse device for pure water equipment in a power plant includes a base plate 1 and a refrigerator 26. The base plate 1 is fixedly connected with a first support leg 2 and a second support leg 37. A support leg 2 is fixedly connected with an electric push rod 35, and the shell of the electric push rod 35 is fixedly connected with a stirring box 3. The stirring box 3 is provided with a first bearing 4 and a second bearing 15, and the first bearing 4 is provided with a first rotating shaft 5. One end of the first rotating shaft 5 located in the stirring box 3 is provided with a first stirring blade 6, one end of the first rotating shaft 5 located outside the stirring box 3 is provided with a first pulley 7, and a support is fixedly connected between the first supporting legs 2. Plate 8, the second support leg 37 is fixedly connected to the first pulley 7 through the support plate 8, the support plate 8 is provided with a motor 9, the output shaft of the motor 9 is provided with a second pulley 10, the first pulley 7 and the second pulley 10 pass through The belt 11 is drivingly connected, the second bearing 15 is provided with a second rotating shaft 16, one end of the second rotating shaft 16 is provided with a second stirring blade 17, the output shaft of the motor 9 drives the second pulley 10 to rotate, and the second pulley 10 is driven by the belt 11. The first pulley 7 rotates, and then the first shaft 5 can drive the stirring blade 6 to rotate, and the first stirring blade 6 and the second stirring blade 17 in the stirring box 3 are used to stir the waste water and the flocculant, so as to speed up the waste water and the flocculant. Mixing efficiency, the other end of the second rotating shaft 16 is fixedly connected with the output shaft of the motor 9, the stirring tank 3 is connected with the sedimentation tank 13 through the first conveying pipe 12, the sedimentation tank 13 is fixedly connected with a cylinder 36, and the output end of the cylinder 36 is fixedly connected There are a first filter screen 14 and a second filter screen 18, the cylinder 36 works to drive the first filter screen 14 and the second filter screen 18 to move to filter the sediment in the waste water, and the sedimentation tank 13 is connected to the filter box 20 through the second conveying pipe 19. One end of the second conveying pipe 19 close to the filter box 20 is provided with a shunt pipe 21, the shunt pipe 21 is fixedly connected with the first nozzle 22, the first nozzle 22 is fixedly connected with the box body of the filter box 20, and the filter box 20 is provided with In the filter layer 33, the filtered filtrate flows into the shunt pipe 21 from the second conveying pipe 19, the shunt pipe 21 is fixedly connected with the first nozzle 22, the filtrate is uniformly sprayed on the filter layer 23 through the first nozzle 22, and the filter layer 23 can absorb The excess ions and COD degradants in the filtrate, the filter box 20 is communicated with the water inlet of the water pump 24 through the first communication pipe 23, and the water outlet of the water pump 24 is communicated with the refrigerator 26 through the second communication pipe 25, and the refrigerator 26 arranged on the substrate 1 .

The stirring box 3 is also provided with a feeding hole 27, and a protective plate 28 is provided above the feeding hole 27. The protective plate 28 is movably connected with the outer shell of the stirring box 3 through hinges, and the stirring box 3 is closed by the protective plate 28, which can prevent In the process of stirring the waste water, the waste water is splashed, and at the same time, the COD degrading agent, coagulant and flocculant are conveniently added into the stirring box 3 by using the feeding hole 27 .

The sedimentation tank 13 is also provided with a first cleaning pipe 30 and a second cleaning pipe 32, the second cleaning pipe 32 is fixedly connected with a second nozzle 39, the first cleaning pipe 30 is arranged at the bottom of the sedimentation tank, and the second cleaning pipe 32 is arranged at the bottom of the sedimentation tank. At the top of the sedimentation tank 13, the second cleaning pipe 32 can be filled with rinsing liquid, and the rinsing liquid can evenly rinse and clean the first filter screen 14 and the second filter screen 18 through the second nozzle 39. The filter screen 18 moves up and down under the driving of the air cylinder 36, which can scrape the sediment attached to the inner wall of the sedimentation tank 13, and can agitate the flushing liquid, which speeds up the flushing efficiency of the sedimentation tank 13, and the cleaning liquid after flushing can pass through the first filter. A cleaning pipe 30 exits the settling tank 13.

The side of the mixing box 3 is provided with a feeding pipe 29, and the feeding pipe 29 is used to conveniently add waste water into the mixing box 3 to facilitate the treatment of the waste water. The sides of the first conveying pipe 12, the second conveying pipe 19 and the first cleaning pipe 30 are provided There is a valve 31. The valve 31 can be selected as a manual valve or a solenoid valve according to the actual application. Opening the valve 31 can make the water in the stirring tank 3 enter the sedimentation tank 13 through the conveying pipe 12. The valve 31 can control the amount of water.

The pore size of the first filter screen 14 is larger than that of the second filter screen 18, and can filter out solids at different levels.

The air cylinder 36, the electric push rod 35, the motor 9, the water pump 24 and the refrigerator 26 are electrically connected to the external control system, and the control system can control the working state of the air cylinder 36, the electric push rod 35, the motor 9, the water pump 24 and the refrigerator 26, and also An external power supply is provided, and the external power supply can supply power to the cylinder 36 , the electric push rod 35 , the motor 9 , the water pump 24 and the refrigerator 26 .

The first stirring blade 6 and the second stirring blade 17 are arranged in opposite directions, which can be stirred in two directions to enhance the stirring effect, so that the flocculant coagulant can be mixed with the wastewater more uniformly, and the flocculation process is more thorough.

The first conveying pipe 12 is fixedly connected to the bottom end of the sedimentation tank 13, the second conveying pipe 19 is fixedly connected to the top of the sedimentation tank 3, and the valve 31 is opened to allow the waste water to flow into the sedimentation tank 13, and the level in the sedimentation tank 13 rises. Under the action of the filter screen 14 and the second filter screen 18 , the solids in the turbid wastewater remain at the bottom end of the sedimentation tank 13 .

The filter layer 33 can be a porous adsorbent material, such as natural zeolite or diatomaceous earth. Because zeolite has properties such as adsorption, ion exchange, catalysis, acid resistance and heat resistance, it is widely used as an adsorbent, ion exchanger and The catalyst can also be used in gas drying, purification and sewage treatment, etc., so that it can effectively adsorb excess ions and COD degraders in the supernatant.

The output shaft 38 of the electric push rod 35 is arranged inside the mixing box 3, and the output shaft 38 of the electric push rod is fixedly connected with the scraper 34. The electric push rod 35 can work to drive the output shaft 38 to move up and down, thereby driving the scraper 34 to move up and down, The sediment adhering to the inner wall of the stirring box 3 is scraped off, thereby preventing too much sediment from adhering to the inner wall of the stirring box 3 .

The working process of the utility model is as follows:

When in use, first adjust the pH value of the waste water to alkaline, then pass the waste water into the device through the feeding pipe 29, and at the same time add the COD degrading agent through the feeding hole 27, turn on the motor 9 to start stirring, and add coagulant and flocculation after stirring evenly. and continue stirring, the output shaft of the motor 9 drives the second pulley 10 to rotate, the second pulley 10 drives the first pulley 7 to rotate through the belt 11, and then the first rotating shaft 5 drives the stirring blade 6 to rotate, speeding up the flocculant and waste water. After a certain period of time, the valve 31 is opened to make the waste water flow into the sedimentation tank 13, and the level in the sedimentation tank 13 rises. At the bottom end of the sedimentation tank 13 , the supernatant liquid flows from the second conveying pipe 19 into the shunt pipe 21 , the shunt pipe 21 is fixedly connected with the first nozzle 22 , and the supernatant liquid is uniformly sprayed on the filter layer 33 through the first nozzle 22 , adsorbing excess ions and COD degrading agents in the supernatant, and then the filtered liquid transfers water into the refrigerator 26 under the operation of the water pump 24. When there are many impurities accumulated in the sedimentation tank 13, the first filter can be closed. The conveying pipe 12 and the second conveying pipe 19, open the second cleaning pipe 32 and pass in the flushing liquid, the flushing liquid can evenly wash and clean the first filter screen 14 and the second filter screen 18 through the second nozzle 39. 14 and the second filter screen 18 move up and down under the driving of the cylinder 36, which can rub down the sediment attached to the inner wall of the sedimentation tank 13, and can stir the flushing liquid, which speeds up the flushing efficiency of the sedimentation box 13, and the cleaning after the flushing is completed. The liquid can be discharged from the sedimentation tank 13 through the first cleaning pipe 30, and the washing of the device can be completed.

The embodiments of the present invention have been described in detail above, but the content is only a preferred embodiment of the present invention, and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the present utility model shall still belong to the scope of the present patent.

Claims (10)

1. A waste water reuse device for pure water equipment of a power plant, which comprises a base plate (1) and a refrigerator (26), and is characterized in that: the stirring device is characterized in that a first supporting leg (2) and a second supporting leg (37) are fixedly connected to the base plate (1), an electric push rod (35) is fixedly connected to the first supporting leg (2), a stirring box (3) is fixedly connected to the shell of the electric push rod (35), the stirring box (3) is provided with a first bearing (4) and a second bearing (15), a first rotating shaft (5) is arranged in the first bearing (4), a first stirring blade (6) is arranged at one end, located in the stirring box (3), of the first rotating shaft (5), a first belt pulley (7) is arranged at one end, located outside the stirring box (3), of the first rotating shaft (5), a supporting plate (8) is fixedly connected between the first supporting legs (2), the second supporting leg (37) penetrates through the supporting plate (8) and is fixedly connected with the first belt pulley (7), and a motor (9) is arranged on the supporting plate (8), the improved motor-driven belt conveyor is characterized in that a second belt pulley (10) is arranged on an output shaft of the motor (9), the first belt pulley (7) is in transmission connection with the second belt pulley (10) through a belt (11), a second rotating shaft (16) is arranged in the second bearing (15), one end of the second rotating shaft (16) is provided with a second stirring blade (17), the other end of the second rotating shaft (16) is fixedly connected with an output shaft of the motor (9), the stirring box (3) is communicated with the settling box (13) through a first conveying pipe (12), the settling box (13) is fixedly connected with an air cylinder (36), an output end of the air cylinder (36) is fixedly connected with a first filter screen (14) and a second filter screen (18), the settling box (13) is communicated with the filter box (20) through a second conveying pipe (19), one end, close to the filter box (20), of the second conveying pipe (19) is provided with a flow dividing pipe (21, the water-saving refrigerator is characterized in that a first spray head (22) is fixedly connected with the shunt pipe (21), the first spray head (22) is fixedly connected with a box body of the filter box (20), a filter layer (33) is arranged in the filter box (20), the filter box (20) is communicated with a water inlet of a water pump (24) through a first communicating pipe (23), a water outlet of the water pump (24) is communicated with a refrigerator (26) through a second communicating pipe (25), and the refrigerator (26) is arranged on the base plate (1).

2. The wastewater recycling device for the pure water plant of the power plant as claimed in claim 1, characterized in that: agitator tank (3) still are provided with charge door (27), the top of charge door (27) is provided with guard plate (28), guard plate (28) pass through hinge swing joint with the shell of agitator tank (3).

3. The wastewater recycling device for the pure water plant of the power plant as claimed in claim 1, characterized in that: still be equipped with first clearance pipe (30) and second clearance pipe (32) on setting tank (13), second clearance pipe (32) fixedly connected with second shower nozzle (39).

4. The wastewater recycling device for the pure water plant of the power plant according to claim 3, characterized in that: the side of agitator tank (3) is provided with filling tube (29), the side of first conveyer pipe (12), second conveyer pipe (19) and first clearance pipe (30) is provided with valve (31).

5. The wastewater recycling device for the pure water plant of the power plant as claimed in claim 1, characterized in that: the first screen (14) has a larger pore size than the second screen (18).

6. The wastewater recycling device for the pure water plant of the power plant as claimed in claim 1, characterized in that: an output shaft (38) of the electric push rod (35) is arranged inside the stirring box (3), and a scraper (34) is fixedly connected to the output shaft (38) of the electric push rod.

7. The wastewater recycling device for the pure water plant of the power plant as claimed in claim 1, characterized in that: the first stirring blade (6) and the second stirring blade (17) are arranged in a reverse direction.

8. The wastewater recycling device for the pure water plant of the power plant as claimed in claim 1, characterized in that: first conveyer pipe (12) fixed connection in settling tank (13) bottom, second conveyer pipe (19) fixed connection in settling tank (13) top.

9. The wastewater recycling device for the pure water plant of the power plant as claimed in claim 1, characterized in that: the filter layer (33) may be a porous adsorbent material.

10. The wastewater recycling device for the pure water plant of the power plant as claimed in claim 1, characterized in that: the air cylinder (36), the electric push rod (35), the motor (9), the water pump (24) and the refrigerator (26) are electrically connected with an external control system.

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