Wastewater treatment device of wet-type electrostatic dust collector

Abstract

The utility model belongs to the technical field of wet-type electrostatic dust collector wastewater treatment, and particularly relates to a wet-type electrostatic dust collector wastewater treatment device which comprises a box body, a settling chamber, a flocculation chamber and a purification chamber are respectively formed in the box body, a floating plate is mounted on the side wall of a sliding block, a connecting rope is mounted on the bottom side of the floating plate, and a water outlet is formed in the bottom side of the connecting rope. A gravity ball is mounted on the connecting rope, a laser diode and a laser receiver are mounted on a top plate of the flocculation chamber, a flocculating agent is mounted in the flocculation box, an electromagnetic valve is mounted on the guide pipe, a laser beam is sent downwards through the laser diode, and the laser beam is reflected when encountering the floating plate and is received by the laser receiver; the laser receiver sends an analysis result to the control panel, the control panel obtains the height of the wastewater liquid level and controls the electromagnetic valve to be opened, the different heights of the wastewater liquid level enable the opening time of the electromagnetic valve to be different, accurate control over the adding amount of the flocculating agent is achieved, and the adding accuracy of the flocculating agent is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wet electrostatic precipitator wastewater treatment, in particular to a wet electrostatic precipitator wastewater treatment device. Background Art

[0002] Wet electrostatic precipitator is a high-voltage electrostatic precipitator used to treat wet gases. For domestic million-unit wet electrostatic precipitators, the water consumption of both units is more than 60t / h. In order to avoid wasting water resources, wastewater treatment equipment is required to treat the wastewater.

[0003] A Chinese patent with publication number CN206142892U discloses a wet electrostatic precipitator wastewater treatment device, including a drainage pump, a flocculant dosing device, a pipeline mixer, a sedimentation tank, a clear water tank, a mud water tank, a sludge treatment station and an ultrasonic level meter. The bottom of the drainage pump is connected to a drainage pipe, and the side of the drainage pump is connected to the pipeline mixer through a first water pipe; the inlet end of the pipeline mixer is connected to the first water pipe, and the outlet end of the pipeline mixer is connected to the sedimentation tank through a second water pipe, and the flocculant dosing device is connected to the pipeline mixer; the sedimentation tank includes a reaction sedimentation tank and an inclined tube sedimentation tank; the inclined tube sedimentation tank is provided with a water outlet trough, a water distribution trough, and a water collection trough, and an inclined tube body is also installed in the middle of the inclined tube sedimentation tank. The utility model has a low operating cost, a high degree of automation, saves water resources, a low maintenance rate can save manpower, a high water volume, increases the utilization rate of wet electrolytic water, reduces the operating cost of the enterprise, and has high stability and can process water uninterruptedly.

[0004] In the process of treating wastewater from a wet electrostatic precipitator, existing wastewater treatment devices need to use flocculants to precipitate particles in the wastewater, but the amount of flocculant added cannot be accurately controlled, resulting in low accuracy in adding flocculants. Therefore, a wet electrostatic precipitator wastewater treatment device is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a wet electrostatic precipitator wastewater treatment device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a wet electrostatic precipitator wastewater treatment device described in the utility model comprises a box body, a control panel is installed on the outer wall of the box body, a timing system is installed inside the control panel, a sedimentation chamber, a flocculation chamber and a purification chamber are respectively opened inside the box body, a slide is installed on the inner wall of the flocculation chamber, a slider is installed in the slide, a floating plate is installed on the side wall of the slider, a connecting rope is installed on the bottom side of the floating plate, a gravity ball is installed on the connecting rope, a laser diode and a laser receiver are installed on the top plate of the flocculation chamber, a support frame is installed on the top side of the box body, a flocculation box is installed on the support frame, a flocculant is installed in the flocculation box, a conduit is installed between the flocculation box and the flocculation chamber, an electromagnetic valve is installed on the conduit, and the electromagnetic valve It is connected to the control panel through the internal circuit, and wastewater is continuously poured into the flocculation chamber. The float plate rises continuously with the wastewater level, and the height of the float plate is the height of the wastewater level. The laser diode sends a laser beam downward, and the laser beam encounters the float plate and reflects and is received by the laser receiver. The laser receiver analyzes the time of laser beam emission and return, and calculates the distance from the liquid surface to the laser receiver. The laser receiver sends the analysis result to the control panel, and the control panel obtains the height of the wastewater level and controls the solenoid valve to open. The flocculant in the flocculation box is poured into the flocculation chamber, and the timing system inside the control panel times the opening time of the solenoid valve. Different heights of the wastewater level make the opening time of the solenoid valve different, so as to realize precise control of the amount of flocculant added, which is beneficial to improve the accuracy of adding flocculants.

[0007] Preferably, a stirring rod is installed on the top plate of the flocculation chamber, and a stirring blade is installed on the stirring rod, a motor is installed on the upper side of the top plate of the box body, the output shaft of the box body is fixedly connected to the stirring rod, a water inlet pipe is installed on the side wall of the sedimentation chamber, a water outlet pipe is installed on the side wall of the purification chamber, a sewage pipe is installed on the side walls of the sedimentation chamber and the flocculation chamber, a valve is installed on the sewage pipe, a first water pump is installed on the top plate of the box body through a machine base, a first water pipe is installed at one end of the first water pump, the first water pipe is located in the sedimentation chamber, a filter is installed at the mouth of the first water pipe, a second water pipe is installed at the other end of the first water pump, and the second water pipe is located in the flocculation chamber, a second water pump is installed on the top plate of the box body through a machine base, a third water pipe is installed at one end of the second water pump, the third water pipe is located in the flocculation chamber, a filter is installed at the mouth of the third water pipe, a fourth water pipe is installed at the other end of the second water pump, and the fourth water pipe is located in the purification chamber. A placement rack is installed on the wall, and an activated carbon adsorption plate is installed on the placement rack. The wastewater of the wet electrostatic precipitator is passed from the water inlet pipe into the sedimentation chamber, and large particles of impurities in the wastewater are precipitated in the sedimentation chamber. The wastewater is filtered by the filter screen at the outlet of the first water pipe through the operation of the first water pump, and then enters the flocculation chamber from the second water pipe. The flocculant in the flocculation box is poured into the flocculation chamber, and the stirring rod drives the stirring blade to rotate. The stirring blade stirs the wastewater and the flocculant, so that the wastewater and the flocculant are fully mixed and contacted, and the flocculant strongly adsorbs the colloidal particles in the wastewater, so that the colloid agglomerates to form flocculent coagulation precipitation; the wastewater is filtered by the filter screen at the outlet of the third water pipe through the operation of the second water pump, and then enters the purification chamber from the fourth water pipe. The wastewater passes through the activated carbon adsorption plate, and the activated carbon adsorption plate adsorbs and purifies the organic matter, harmful substances and odor in the wastewater. The purified clean water flows back to the wet electrostatic precipitator from the outlet pipe, thereby realizing the recycling of wastewater and being beneficial to improving the wastewater treatment efficiency.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model continuously pours wastewater into the flocculation chamber, and the floating plate continuously rises with the wastewater liquid level. The height of the floating plate is the height of the wastewater liquid level. The laser diode sends a laser beam downward, and the laser beam encounters the floating plate and is reflected and received by the laser receiver. The laser receiver analyzes the time of laser beam emission and return, and calculates the distance from the liquid surface to the laser receiver. The laser receiver sends the analysis result to the control panel, and the control panel obtains the height of the wastewater liquid level and controls the solenoid valve to open. The flocculant in the flocculation box is poured into the flocculation chamber, and the timing system inside the control panel times the opening time of the solenoid valve. Different heights of the wastewater liquid level make the opening time of the solenoid valve different, thereby realizing precise control of the amount of flocculant added, which is beneficial to improving the accuracy of adding flocculants.

[0010] 2. The utility model passes the waste water of the wet electrostatic precipitator from the water inlet pipe into the sedimentation chamber, and the large particles of impurities in the waste water are precipitated in the sedimentation chamber. The waste water is filtered by the filter screen at the outlet of the first water pipe through the operation of the first water pump, and then enters the flocculation chamber from the second water pipe. The flocculant in the flocculation box is poured into the flocculation chamber, and the stirring rod drives the stirring blade to rotate. The stirring blade stirs the waste water and the flocculant, so that the waste water and the flocculant are fully mixed and contacted, and the flocculant strongly adsorbs the colloidal particles in the waste water, so that the colloid agglomerates to form flocculent coagulation precipitation; the waste water is filtered by the filter screen at the outlet of the third water pipe through the operation of the second water pump, and then enters the purification chamber from the fourth water pipe. The waste water passes through the activated carbon adsorption plate, and the activated carbon adsorption plate adsorbs and purifies the organic matter, harmful substances and odor in the waste water. The purified clean water flows back to the wet electrostatic precipitator from the outlet pipe, thereby realizing the recycling of waste water and being beneficial to improving the waste water treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure at the floating plate;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure in the flocculation chamber;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure inside the box.

[0016] In the figure: 1. box body; 2. control panel; 3. sedimentation chamber; 4. flocculation chamber; 5. purification chamber; 6. chute; 7. slider; 8. floating plate; 9. connecting rope; 10. gravity ball; 11. laser diode; 12. laser receiver; 13. support frame; 14. flocculation box; 15. catheter; 16. solenoid valve; 17. stirring rod; 18. stirring blade; 19. motor; 20. water inlet pipe; 21. water outlet pipe; 22. first water pump; 23. first water pipe; 24. second water pipe; 25. second water pump; 26. third water pipe; 27. fourth water pipe; 28. placement rack; 29. ​​activated carbon adsorption plate; 30. sewage pipe; 31. valve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4As shown, a wet electrostatic precipitator wastewater treatment device includes a box body 1, a control panel 2 is installed on the outer wall of the box body 1, a timing system is installed inside the control panel 2, a sedimentation chamber 3, a flocculation chamber 4 and a purification chamber 5 are respectively opened inside the box body 1, a chute 6 is installed on the inner wall of the flocculation chamber 4, a slider 7 is installed in the chute 6, a floating plate 8 is installed on the side wall of the slider 7, a connecting rope 9 is installed on the bottom side of the floating plate 8, a gravity ball 10 is installed on the connecting rope 9, and a laser diode is installed on the top plate of the flocculation chamber 4. 11 and a laser receiver 12, a support frame 13 is installed on the top side of the box body 1, a flocculation box 14 is installed on the support frame 13, a flocculant is installed in the flocculation box 14, a conduit 15 is installed between the flocculation box 14 and the flocculation chamber 4, a solenoid valve 16 is installed on the conduit 15, and the solenoid valve 16 is connected to the control panel 2 through an internal circuit, a stirring rod 17 is installed on the top plate of the flocculation chamber 4, a stirring blade 18 is installed on the stirring rod 17, a motor 19 is installed on the top plate of the box body 1, and the output shaft of the box body 1 is connected to the control panel 2 through an internal circuit. The stirring rod 17 is fixedly connected, a water inlet pipe 20 is installed on the side wall of the sedimentation chamber 3, a water outlet pipe 21 is installed on the side wall of the purification chamber 5, a sewage pipe 30 is installed on the side walls of the sedimentation chamber 3 and the flocculation chamber 4, and a valve 31 is installed on the sewage pipe 30. A first water pump 22 is installed on the top plate of the box body 1 through the base, and a first water delivery pipe 23 is installed at one end of the first water pump 22. The first water delivery pipe 23 is located in the sedimentation chamber 3, and a filter is installed at the mouth of the first water delivery pipe 23. The other end of the first water pump 22 is installed with a first filter. Two water pipes 24, the second water pipe 24 is located in the flocculation chamber 4, a second water pump 25 is installed on the top plate of the box body 1 through the base, a third water pipe 26 is installed at one end of the second water pump 25, the third water pipe 26 is located in the flocculation chamber 4, a filter is installed at the mouth of the third water pipe 26, a fourth water pipe 27 is installed at the other end of the second water pump 25, the fourth water pipe 27 is located in the purification chamber 5, a placement rack 28 is installed on the inner wall of the purification chamber 5, and an activated carbon adsorption plate 29 is installed on the placement rack 28;During operation, the existing wastewater treatment device needs to use a flocculant to precipitate the particles in the wastewater during the treatment of the wastewater from the wet electrostatic precipitator, but the amount of flocculant added cannot be accurately controlled, resulting in low accuracy in the addition of the flocculant. The wastewater from the wet electrostatic precipitator is passed from the water inlet pipe 20 into the sedimentation chamber 3, and the large particles of impurities in the wastewater are precipitated in the sedimentation chamber 3. The wastewater is filtered by the filter screen at the mouth of the first water delivery pipe 23 through the operation of the first water delivery pipe 22, and then enters the flocculation chamber 4 from the second water delivery pipe 24. The wastewater is continuously The wastewater is poured into the flocculation chamber 4, the wastewater level continues to rise, and the floating plate 8 continues to rise with the wastewater level until the wastewater is completely introduced into the flocculation chamber 4. The wastewater level remains stationary, and the height of the floating plate 8 is the height of the wastewater level. The laser beam is sent downward by the laser diode 11. The laser beam encounters the floating plate 8 and is reflected and received by the laser receiver 12. The laser receiver 12 analyzes the time of the laser beam being emitted and returned, and calculates the distance from the liquid level to the laser receiver 12. The laser receiver 12 sends the analysis result to the control panel 2, and the control panel 2 obtains The electromagnetic valve 16 is controlled to open to pour the flocculant in the flocculation box 14 into the flocculation chamber 4. The timing system inside the control panel 2 times the opening time of the electromagnetic valve 16. The different heights of the wastewater liquid level make the opening time of the electromagnetic valve 16 different, so that the amount of flocculant added can be accurately controlled. The motor 19 is operated to drive the stirring rod 17 to rotate, and the stirring rod 17 drives the stirring blade 18 to rotate. The stirring blade 18 stirs the wastewater and the flocculant, so that the wastewater and the flocculant are fully mixed and contacted, and the flocculant is further stirred by the colloidal particles in the wastewater. The second water pump 25 operates, and the wastewater is filtered by the filter screen at the outlet of the third water pipe 26, and then enters the purification chamber 5 from the fourth water pipe 27. The wastewater passes through the activated carbon adsorption plate 29, and the activated carbon adsorption plate 29 adsorbs and purifies the organic matter, harmful substances and odor in the wastewater. The purified clean water flows back to the wet electrostatic precipitator from the outlet pipe 21, realizing the recycling of wastewater. This structure can accurately control the amount of flocculant added, which is conducive to improving the accuracy of adding flocculants. ;

[0019] Working principle: In the process of treating the wastewater from the wet electrostatic precipitator, the existing wastewater treatment device needs to use a flocculant to precipitate the particles in the wastewater, but the amount of flocculant added cannot be accurately controlled, resulting in low accuracy in adding the flocculant. The wastewater from the wet electrostatic precipitator is passed from the water inlet pipe 20 into the sedimentation chamber 3, and the large particles of impurities in the wastewater are precipitated in the sedimentation chamber 3. The first water pump 22 is operated, and the wastewater is filtered by the filter screen at the mouth of the first water pipe 23, and then enters the flocculation chamber 4 from the second water pipe 24. The wastewater is continuously The wastewater is poured into the flocculation chamber 4, the wastewater level continues to rise, and the floating plate 8 continues to rise with the wastewater level until the wastewater is completely introduced into the flocculation chamber 4. The wastewater level remains stationary, and the height of the floating plate 8 is the height of the wastewater level. The laser beam is sent downward by the laser diode 11. The laser beam encounters the floating plate 8 and is reflected and received by the laser receiver 12. The laser receiver 12 analyzes the time of the laser beam being emitted and returned, and calculates the distance from the liquid level to the laser receiver 12. The laser receiver 12 sends the analysis result to the control panel 2, and the control panel 2 obtains The electromagnetic valve 16 is controlled to open to pour the flocculant in the flocculation box 14 into the flocculation chamber 4. The timing system inside the control panel 2 times the opening time of the electromagnetic valve 16. The different heights of the wastewater liquid level make the opening time of the electromagnetic valve 16 different, so that the amount of flocculant added can be accurately controlled. The motor 19 is operated to drive the stirring rod 17 to rotate, and the stirring rod 17 drives the stirring blade 18 to rotate. The stirring blade 18 stirs the wastewater and the flocculant, so that the wastewater and the flocculant are fully mixed and contacted, and the flocculant is further stirred by the colloidal particles in the wastewater. The second water pump 25 operates, and the wastewater is filtered by the filter screen at the outlet of the third water pipe 26, and then enters the purification chamber 5 from the fourth water pipe 27. The wastewater passes through the activated carbon adsorption plate 29, and the activated carbon adsorption plate 29 adsorbs and purifies the organic matter, harmful substances and odor in the wastewater. The purified clean water flows back to the wet electrostatic precipitator from the outlet pipe 21, realizing the recycling of wastewater. This structure can accurately control the amount of flocculant added, which is beneficial to improve the accuracy of adding flocculants.

[0020] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A wet electrostatic precipitator wastewater treatment device, Features : It comprises a box body (1), a control panel (2) is installed on the outer wall of the box body (1), a timing system is installed inside the control panel (2), a sedimentation chamber (3), a flocculation chamber (4) and a purification chamber (5) are respectively opened inside the box body (1), a slide groove (6) is installed on the inner wall of the flocculation chamber (4), a slider (7) is installed in the slide groove (6), a floating plate (8) is installed on the side wall of the slider (7), a connecting rope (9) is installed on the bottom side of the floating plate (8), and a weight is installed on the connecting rope (9). A force ball (10) is installed on the top plate of the flocculation chamber (4), a laser diode (11) and a laser receiver (12) are installed, a support frame (13) is installed on the top side of the box body (1), a flocculation box (14) is installed on the support frame (13), a flocculant is installed in the flocculation box (14), a conduit (15) is installed between the flocculation box (14) and the flocculation chamber (4), a solenoid valve (16) is installed on the conduit (15), and the solenoid valve (16) is connected to the control panel (2) through an internal circuit.

2. A wet electrostatic precipitator wastewater treatment device according to claim 1, Features: A stirring rod (17) is installed on the top plate of the flocculation chamber (4), and a stirring blade (18) is installed on the stirring rod (17). A motor (19) is installed on the top plate of the box body (1), and the output shaft of the box body (1) is fixedly connected to the stirring rod (17).

3. A wet electrostatic precipitator wastewater treatment device according to claim 1, Features: A water inlet pipe (20) is installed on the side wall of the sedimentation chamber (3), a water outlet pipe (21) is installed on the side wall of the purification chamber (5), and a sewage discharge pipe (30) is installed on the side walls of the sedimentation chamber (3) and the flocculation chamber (4), and a valve (31) is installed on the sewage discharge pipe (30).

4. A wet electrostatic precipitator wastewater treatment device according to claim 1, Features: A first water pump (22) is installed on the top plate of the box body (1) through a machine base, a first water pipe (23) is installed at one end of the first water pump (22), the first water pipe (23) is located in the sedimentation chamber (3), a filter screen is installed at the mouth of the first water pipe (23), a second water pipe (24) is installed at the other end of the first water pump (22), and the second water pipe (24) is located in the flocculation chamber (4).

5. A wet electrostatic precipitator wastewater treatment device according to claim 1, Features: A second water pump (25) is installed on the top plate of the box body (1) through a machine base, a third water pipe (26) is installed at one end of the second water pump (25), the third water pipe (26) is located in the flocculation chamber (4), a filter screen is installed at the pipe mouth of the third water pipe (26), a fourth water pipe (27) is installed at the other end of the second water pump (25), and the fourth water pipe (27) is located in the purification chamber (5).

6. A wet electrostatic precipitator wastewater treatment device according to claim 1, Features: A placement rack (28) is installed on the inner wall of the purification chamber (5), and an activated carbon adsorption plate (29) is installed on the placement rack (28).

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