A wastewater treatment device for treating mercury-containing sludge

Abstract

The invention provides a wastewater treatment device for treating mercury-containing sludge, which belongs to the technical field of wastewater purification. The device comprises a flocculation box and an activated carbon filter. A flocculant inlet and a wastewater inlet are provided on a top cover. A motor is provided on the top cover. A rotating shaft is connected to the motor. The lower end of the rotating shaft extends into the flocculation box. A stirring shaft is connected to the rotating shaft. A feeding pipe is connected between the lower end of a feeding barrel and the top surface of a bottom cover. A rotating shaft is provided on a middle side wall of the feeding pipe. A net frame is installed on the rotating shaft. The frame edge of the net frame contacts the inner side wall of the feeding pipe. A filter net is provided on the net frame. A motor is provided on a first support plate. The end of the rotating shaft is connected to the motor. An electric telescopic cylinder is provided on a second support plate. A partition is connected to the telescopic rod of the electric telescopic cylinder. The partition can be installed on a partition installation port. A water inlet pipe is connected between a water outlet and a water inlet end of the activated carbon filter. The wastewater treatment device for treating mercury-containing sludge provided by the invention has the advantage of high water purification efficiency.

Description

Technical field:

[0001] The invention belongs to the technical field of wastewater purification, and in particular relates to a wastewater treatment device for treating mercury-containing sludge. Background technology:

[0002] The existing industrial mercury-containing sludge wastewater contains impurities and unpleasant odors, which seriously pollute the environment when discharged into the external environment. The existing wastewater treatment devices have the problem of low purification efficiency in treating wastewater and cannot meet the requirements of wastewater treatment. Therefore, a wastewater treatment device with high purification efficiency for treating mercury-containing sludge is developed. Summary of the invention:

[0003] The object of the present invention is to provide a wastewater treatment device for treating mercury-containing sludge in view of the above-mentioned problems. The wastewater treatment device for treating mercury-containing sludge has the advantage of high water purification efficiency.

[0004] The above purpose is achieved through the following technical solutions:

[0005] A wastewater treatment device for treating mercury-containing sludge comprises a flocculation box and an activated carbon filter, the top surface of the flocculation box is provided with a top cover, the bottom surface of the flocculation box is provided with a bottom cover, the top cover is provided with a flocculant inlet and a wastewater inlet, the top cover is provided with a motor, the motor is connected with a rotating shaft, the lower end of the rotating shaft extends into the flocculation box, the rotating shaft is connected with a stirring shaft, the inner side wall of the flocculation box is provided with a discharge barrel located below the rotating shaft, the side wall of the discharge barrel is inclined downward, the upper and lower ends of the discharge barrel are provided with openings, a discharge pipe is connected between the lower end of the discharge barrel and the top surface of the bottom cover, the upper side wall of the discharge pipe is provided with a partition mounting port, the middle side wall of the discharge pipe is provided with a rotating shaft, and the rotating shaft A mesh frame is installed on the moving shaft, and the frame edge of the mesh frame contacts the inner wall of the discharge pipe. A filter mesh is provided on the mesh frame, and a water outlet is provided on the lower side wall of the discharge pipe. A first support plate and a second support plate are provided on the outer wall of the flocculation box, and a driving motor is provided on the first support plate. The end of the rotating shaft passes through the side wall of the flocculation box and is connected to the driving motor. An electric telescopic cylinder is provided on the second support plate, and a partition is connected to the telescopic rod of the electric telescopic cylinder. The partition can be installed on the partition mounting port. An inlet pipe is connected between the water outlet and the water inlet end of the activated carbon filter, and a booster pump is provided on the water inlet pipe. A water outlet pipe is connected to the water outlet end of the activated carbon filter.

[0006] Preferably, the side wall of the discharge barrel, the side wall of the discharge pipe and the inner wall of the flocculation box are combined into a heating chamber, an electric heater connected to a power source is provided in the heating chamber, and the discharge barrel is made of copper material.

[0007] Preferably, a temperature sensor is provided on the inner wall of the flocculation box, a temperature display is provided on the outer wall of the flocculation box, and the temperature sensor is electrically connected to the temperature display.

[0008] Preferably, the motor is a variable frequency motor.

[0009] Preferably, a vibrator is provided on the side wall of the discharge barrel, and a controller is provided on the outer side wall of the flocculation box, and the controller is electrically connected to the vibrator.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. Wastewater and flocculant enter the flocculation box from the wastewater inlet and flocculant inlet respectively. Driven by the motor, the stirring shaft mixes and stirs the wastewater and flocculant, the electric telescopic cylinder extends, and the partition is installed on the partition installation port. At this time, the water in the discharge pipe does not flow down. When the impurities in the wastewater are almost flocculated, the electric telescopic cylinder shrinks, the partition is removed from the partition installation port, and the wastewater flows down, is filtered through the filter net, and then enters the activated carbon filter from the water outlet through the water inlet pipe, is filtered through the activated carbon filter, and is finally discharged from the outlet pipe.

[0012] 2. The side wall of the discharge barrel, the side wall of the discharge pipe and the inner wall of the flocculation box are combined into a heating chamber. An electric heater connected to a power supply is arranged in the heating chamber. The discharge barrel is made of copper material. The electric heater heats the wastewater, and the heat is transferred to the wastewater through the discharge barrel to accelerate the flocculation of impurities in the wastewater.

[0013] 3. A temperature sensor is provided on the inner wall of the flocculation box, and a temperature display is provided on the outer wall of the flocculation box. The temperature sensor is electrically connected to the temperature display and can measure the temperature inside the flocculation box.

[0014] 4. The motor is a variable frequency motor, which is convenient for adjusting the speed.

[0015] 5. A vibrator is provided on the side wall of the discharge barrel, and a controller is provided on the outer side wall of the flocculation box. The controller is electrically connected to the vibrator, and the controller controls the vibration of the vibrator. Description of the drawings:

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure numerals: 1. flocculation box; 2. activated carbon filter; 3. top cover; 4. bottom cover; 5. flocculant inlet; 6. wastewater inlet; 7. motor; 8. rotating shaft; 9. stirring shaft; 10. discharge barrel; 11. discharge pipe; 12. rotating shaft; 13. mesh frame; 14. filter net; 15. first support plate; 16. second support plate; 17. driving motor; 18. electric telescopic cylinder; 19. partition; 20. water inlet pipe; 21. water outlet pipe; 22. heating chamber; 23. electric heater; 24. temperature sensor; 25. temperature display; 26. vibrator; 27. controller; 28. booster pump. Specific implementation method:

[0019] like Figure 1 As shown, a wastewater treatment device for treating mercury-containing sludge comprises a flocculation box 1 and an activated carbon filter 2, the top surface of the flocculation box 1 is provided with a top cover 3, the bottom surface of the flocculation box 1 is provided with a bottom cover 4, the top cover 3 is provided with a flocculant inlet 5 and a wastewater inlet 6, the top cover 3 is provided with a motor 7, the motor 7 is connected with a rotating shaft 8, the lower end of the rotating shaft 8 extends into the flocculation box 1, the rotating shaft 8 is connected with a stirring shaft 9, the inner side wall of the flocculation box 1 is provided with a discharge barrel 10 located below the rotating shaft 8, the side wall of the discharge barrel 10 is inclined downward, the upper end and the lower end of the discharge barrel 10 are both provided with openings, a discharge pipe 11 is connected between the lower end of the discharge barrel 10 and the top surface of the bottom cover 4, the upper side wall of the discharge pipe 11 is provided with a partition installation port, the middle side wall of the discharge pipe 11 is provided with a rotating shaft 12, and the rotating shaft 12 A screen frame 13 is installed on the top, and the frame edge of the screen frame 13 contacts the inner wall of the discharge pipe 11. A filter screen 14 is provided on the screen frame 13, and a water outlet is provided on the lower side wall of the discharge pipe 11. A first support plate 15 and a second support plate 16 are provided on the outer wall of the flocculation box 1. A driving motor 17 is provided on the first support plate 15. The end of the rotating shaft 12 passes through the side wall of the flocculation box 1 and is connected to the driving motor 17. An electric telescopic cylinder 18 is provided on the second support plate 16. A partition 19 is connected to the telescopic rod of the electric telescopic cylinder 18. The partition 19 can be installed on the partition installation port. A water inlet pipe 20 is connected between the water outlet and the water inlet end of the activated carbon filter 2. A booster pump 28 is provided on the water inlet pipe 20. A water outlet pipe 21 is connected to the water outlet end of the activated carbon filter 2.

[0020] The side wall of the discharge barrel 10, the side wall of the discharge pipe 11 and the inner wall of the flocculation box 1 are combined into a heating chamber 22. An electric heater 23 connected to a power source is provided in the heating chamber 22. The discharge barrel 10 is made of copper material. The electric heater 23 heats the wastewater, and the heat is transferred to the wastewater through the discharge barrel 10 to accelerate the flocculation of impurities in the wastewater.

[0021] A temperature sensor 24 is provided on the inner wall of the flocculation box 1 , and a temperature display 25 is provided on the outer wall of the flocculation box 1 . The temperature sensor 24 and the temperature display 25 are electrically connected to measure the temperature inside the flocculation box 1 .

[0022] The motor 7 is a variable frequency motor, which is convenient for adjusting the rotation speed.

[0023] A vibrator 26 is disposed on the side wall of the discharge barrel 10 , and a controller 27 is disposed on the outer side wall of the flocculation box 1 . The controller 27 is electrically connected to the vibrator 26 , and the controller 27 controls the vibrator 26 to vibrate.

[0024] Wastewater and flocculant enter the flocculation box 1 from the wastewater inlet 6 and the flocculant inlet 5 respectively. Driven by the motor 7, the stirring shaft 9 mixes and stirs the wastewater and the flocculant, the electric telescopic cylinder 18 extends, and the partition 19 is installed on the partition installation port. At this time, the water in the discharge pipe 11 does not flow down. When the impurities in the wastewater are almost flocculated, the electric telescopic cylinder 18 shrinks, and the partition 19 is removed from the partition installation port. The wastewater flows down and is filtered through the filter screen 14. In order to prevent the filter screen 14 from being blocked, the filter screen 14 rotates under the drive of the drive motor 17, and then enters the activated carbon filter 2 from the water outlet through the water inlet pipe 20, is filtered through the activated carbon filter 2, and is finally discharged from the water outlet pipe 21.

[0025] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. A wastewater treatment device for treating mercury-containing sludge, characterized in that: The invention comprises a flocculation box and an activated carbon filter, wherein a top cover is provided on the top surface of the flocculation box, a flocculant inlet and a wastewater inlet are provided on the top cover, a bottom cover is provided on the bottom surface of the flocculation box, a motor is provided on the top cover, a rotating shaft is connected to the motor, the lower end of the rotating shaft extends into the flocculation box, a stirring shaft is connected to the rotating shaft, a discharge barrel is provided on the inner side wall of the flocculation box below the rotating shaft, the side wall of the discharge barrel is inclined downward, the upper and lower ends of the discharge barrel are provided with openings, a discharge pipe is connected between the lower end of the discharge barrel and the top surface of the bottom cover, a partition mounting port is provided on the upper side wall of the discharge pipe, a rotating shaft is provided on the middle side wall of the discharge pipe, A screen frame, wherein the frame edge of the screen frame contacts the inner side wall of the feed tube, a filter screen is provided on the screen frame, a water outlet is provided on the lower side wall of the feed tube, a first support plate and a second support plate are provided on the outer side wall of the flocculation box, a drive motor is provided on the first support plate, the end of the rotating shaft passes through the side wall of the flocculation box and is connected to the drive motor, an electric telescopic cylinder is provided on the second support plate, a partition is connected to the telescopic rod of the electric telescopic cylinder, and the partition is installed on the partition installation port, an inlet pipe is connected between the water outlet and the water inlet end of the activated carbon filter, a booster pump is provided on the water inlet pipe, and a water outlet pipe is connected to the water outlet end of the activated carbon filter; The side wall of the discharge barrel, the side wall of the discharge pipe and the inner wall of the flocculation box are combined to form a heating chamber, an electric heater connected to a power source is arranged in the heating chamber, and the discharge barrel is made of copper material; A temperature sensor is provided on the inner wall of the flocculation box, a temperature display is provided on the outer wall of the flocculation box, and the temperature sensor is electrically connected to the temperature display.

2. The wastewater treatment device for treating mercury-containing sludge according to claim 1, characterized in that: The motor is a variable frequency motor.

3. The wastewater treatment device for treating mercury-containing sludge according to claim 1, characterized in that: A vibrator is arranged on the side wall of the discharge barrel, and a controller is arranged on the outer side wall of the flocculation box. The controller is electrically connected to the vibrator.

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