CN214880824U - Integrated iron-carbon micro-electrolysis wastewater treatment device - Google Patents
Integrated iron-carbon micro-electrolysis wastewater treatment device Download PDFInfo
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Abstract
The invention discloses an integrated iron-carbon micro-electrolysis wastewater treatment device. Among the little electrolysis effluent treatment plant of integration iron carbon, the low reaches at the little electrolysis pond of iron carbon is provided with pH callback pond, coagulating basin and sedimentation tank, waste water at first gets into the little electrolysis pond of iron carbon and carries out little electrolytic reaction, the molysite mud that produces gets into pH callback pond together with waste water and adjusts the pH value after, get into coagulating basin through the water hole, in coagulating basin, suspended solid in the waste water mixes with the flocculating agent in it and forms the flocculation micelle, waste water and flocculation micelle get into the sedimentation tank through the water distribution canal and deposit, reach fine waste water treatment effect. The integrated wastewater treatment device has the advantages of breaking the layout mode that all reaction tanks are arranged in sequence in the prior art, forming the integrated wastewater treatment device through the layout of all reaction tanks, having simpler structure, low construction cost, low operation cost, high integration degree, fast construction period and the like.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an integrated iron-carbon micro-electrolysis wastewater treatment device.
Background
The micro-electrolysis technology is widely applied after being introduced into China from the 20 th century 80 years, and the iron-carbon micro-electrolysis technology is used as pretreatment and pre-degradation of wastewater in the treatment technology of high-concentration refractory organic wastewater such as printing and dyeing wastewater, petrochemical wastewater, electroplating wastewater and the like so as to improve the biochemical property of the wastewater or directly reduce the content of organic matters in the wastewater.
The iron-carbon micro-electrolysis water treatment equipment in the prior art has the following problems:
1. more ferric salt sludge can be generated after wastewater is treated by the iron-carbon micro-electrolysis technology;
2. the structure is complicated, and is with high costs, and equipment integration degree is low, and the construction cycle is long.
Disclosure of Invention
In view of the above, the present invention aims to provide an integrated wastewater treatment device with good wastewater treatment effect, low construction cost, low cost, high integration degree and fast construction period.
In order to achieve the purpose, the invention adopts the following technical scheme:
an integrated iron-carbon micro-electrolysis wastewater treatment device comprises a first peripheral side wall, a second peripheral side wall, a third peripheral side wall, a fourth peripheral side wall and a bottom wall, wherein the first peripheral side wall and the third peripheral side wall are oppositely arranged, and the second peripheral side wall and the fourth peripheral side wall are oppositely arranged;
the integrated iron-carbon micro-electrolysis wastewater treatment device is characterized by further comprising a plurality of partition walls arranged in the integrated iron-carbon micro-electrolysis wastewater treatment device, wherein the plurality of partition walls comprise first partition walls which are connected with the first peripheral side wall and the third peripheral side wall, and an iron-carbon micro-electrolysis cell is formed between the first partition walls and the second peripheral side wall;
a top plate is arranged at the top of a space between the first partition wall and the fourth peripheral side wall, the plurality of partition walls further comprise a second partition wall connecting the first partition wall and the fourth peripheral side wall and a third partition wall connecting the first peripheral side wall and the second partition wall, a pH adjusting tank is formed between the third partition wall and the first partition wall, a coagulation tank is formed between the third partition wall and the fourth peripheral side wall, the top of the third partition wall is connected with the top plate, and a water passing hole is formed between the bottom of the third partition wall and the bottom wall;
the plurality of partition walls further comprise a fourth partition wall arranged between the second partition wall and the third peripheral side wall and connected with the first partition wall and the fourth peripheral side wall, and a sedimentation tank is formed between the fourth partition wall and the third peripheral side wall.
Preferably, the second partition wall is provided with a first opening between a portion corresponding to the coagulation tank and the top plate, a top portion of the fourth partition wall is connected to the top plate, a second opening is formed between a bottom portion and the bottom wall, and the first opening, the second opening, and a space between the second partition wall and the fourth partition wall form a water distribution channel.
Preferably, a water distribution pipeline and an aeration pipeline are arranged at the lower part of the iron-carbon micro-electrolysis cell, and the water distribution pipeline is positioned above the aeration pipeline;
the middle part of the iron-carbon micro-electrolysis cell is provided with a packing layer, and the packing layer is internally provided with iron-carbon micro-electrolysis packing;
and the upper part of the iron-carbon micro-electrolysis cell is provided with a first water outlet weir used for enabling water in the iron-carbon micro-electrolysis cell to automatically flow into the pH readjustment cell.
Preferably, the iron-carbon micro-electrolysis filler comprises an oval sintered filler, the filler specification being 1 x 3cm to 3 x 5 cm; and/or the presence of a gas in the gas,
the height of the filler layer is 1.5m to 2.5 m.
Preferably, the pH adjusting tank is connected with a first dosing device for adding alkali liquor into the pH adjusting tank so that the pH value of the wastewater in the pH adjusting tank is in the range of 6 to 9;
and a first stirring mechanism is arranged in the pH adjusting-back tank and is used for stirring the wastewater in the pH adjusting-back tank.
Preferably, the coagulation tank is connected with a second dosing device for dosing a flocculating agent into the coagulation tank;
and a second stirring mechanism is arranged in the coagulation tank and is used for stirring the wastewater in the coagulation tank.
Preferably, the sedimentation tank is by supreme sludge bucket, mixing area, swash plate district and the clear water district of being in proper order down, the swash plate district is provided with the swash plate filler, the mixing area is provided with scrapes mud mechanism, the clear water district is provided with the second and goes out the water weir.
Preferably, the mud scraping mechanism comprises a first cross beam, a second cross beam and a longitudinal beam, wherein the first cross beam and the second cross beam are arranged up and down, the longitudinal beam is connected with the first cross beam and the second cross beam, the longitudinal beam is arranged in a plurality from the radial inner side to the radial outer side, a mud scraping plate is connected to the bottom of the longitudinal beam, and the mud scraping plate is matched with the corresponding bottom wall.
Preferably, the sludge bucket by the sunken formation of diapire, the sludge bucket is connected with the sludge pump, the exit linkage of sludge pump the pH back-off pond and sludge impoundment.
Preferably, the volume ratio of the coagulation tank to the sedimentation tank is 1:3 to 1: 5.
Preferably, the volume ratio of the iron-carbon micro-electrolysis cell to the sedimentation cell is 1.5:1 to 3: 1.
In the integrated iron-carbon micro-electrolysis wastewater treatment device provided by the invention, a PH readjustment pool, a coagulation pool and a sedimentation pool are arranged at the downstream of the iron-carbon micro-electrolysis pool, wastewater firstly enters the iron-carbon micro-electrolysis pool to carry out micro-electrolysis reaction, generated ferric salt sludge and the wastewater enter the PH readjustment pool together to adjust the pH value and then enter the coagulation pool through water holes, suspended matters in the wastewater are mixed with a flocculating agent in the coagulation pool to form flocculating micelles, and the wastewater and the flocculating micelles enter the sedimentation pool to be precipitated through a water distribution channel, so that a good wastewater treatment effect is achieved.
The integrated wastewater treatment device has the advantages of breaking the layout mode that all reaction tanks are arranged in sequence in the prior art, forming the integrated wastewater treatment device through the layout of all reaction tanks, having simpler structure, low construction cost, low operation cost, high integration degree, fast construction period and the like.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a top view of an integrated iron-carbon micro-electrolysis wastewater treatment device provided by the embodiment of the invention;
FIG. 2 shows a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 shows a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 shows a cross-sectional view taken along line C-C of FIG. 1;
FIG. 5 is a schematic view showing an expanded structure of the wastewater treatment apparatus shown in FIG. 1;
FIG. 6 shows a cross-sectional view taken along line C-C of another embodiment of the present invention;
FIG. 7 shows a schematic view of a sludge hopper according to yet another embodiment of the present invention.
In the figure:
1. a first peripheral sidewall; 2. a second peripheral sidewall; 3. a third peripheral sidewall; 4. a fourth peripheral sidewall; 5. a bottom wall; 61. a first partition wall; 62. a second partition wall; 621. a first opening; 63. a third partition wall; 631. water passing holes; 64. a fourth partition wall; 641. a second opening; 71. an iron-carbon micro-electrolysis cell; 711. a water distribution pipeline; 712. an aeration pipe; 713. a filler layer; 714. a first effluent weir; 715. a water inlet pump; 716. an aeration fan; 72. the pH value is adjusted back to the pool; 721. a first dosing device; 722. a first stirring mechanism; 73. a coagulation tank; 731. a second dosing device; 732. a second stirring mechanism; 74. a sedimentation tank; 741. a sludge hopper; 742. a mixing zone; 743. a ramp region; 744. a clear water zone; 745. filling materials of the inclined plate; 746. a mud scraping mechanism; 7461. a first cross member; 7462. a second cross member; 7463. a stringer; 7464. a mud scraper; 7465. a poke rod part; 747. a second effluent weir; 75. a water distribution channel; 8. a top plate; 9. a sludge pump; 100. a stirring sheet; 101. a first stirring section; 102. a second stirring section; 1021. an upper edge portion; 1022. a lower edge portion.
Detailed Description
The present invention is described below based on embodiments, and it will be understood by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
To the problem that current indisputable carbon microelectrolysis technique treatment waste water produces more molysite mud, the structure is complicated and the integration level is low, the application provides a little electrolysis effluent treatment plant of integration indisputable carbon, as shown in fig. 1 to 4, little electrolysis effluent treatment plant of integration indisputable carbon includes first peripheral lateral wall 1, second peripheral lateral wall 2, third peripheral lateral wall 3, fourth peripheral lateral wall 4 and diapire 5, first peripheral lateral wall 1 with third peripheral lateral wall 3 sets up relatively, second peripheral lateral wall 2 with fourth peripheral lateral wall 4 sets up relatively.
Integration indisputable carbon microelectrolysis effluent treatment plant still including set up in a plurality of partition walls in the little electrolysis effluent treatment plant of integration indisputable carbon, a plurality of partition walls are including connecting first peripheral lateral wall 1 with the first partition wall 61 of the peripheral lateral wall 3 of third, first partition wall 61 with form indisputable carbon microelectrolysis cell 71 between the peripheral lateral wall 2 of second.
The plurality of partition walls further include a fourth partition wall 64 disposed between the second partition wall 62 and the third peripheral side wall 3 and connecting the first partition wall 61 and the fourth peripheral side wall 4, the fourth partition wall 64 and the third peripheral side wall 3 form a sedimentation basin 74, the second partition wall 62 is provided with a first opening 621 between a portion corresponding to the coagulation basin 73 and the ceiling plate 8, the top of the fourth partition wall 64 is connected with the ceiling plate 8, a second opening 641 is formed between the bottom and the bottom wall 5, and the first opening 621, the second opening 641 and a space between the second partition wall 62 and the fourth partition wall 64 form a water distribution channel 75.
In the integrated iron-carbon micro-electrolysis wastewater treatment device provided by the invention, the pH adjusting-back tank 72, the coagulation tank 73 and the sedimentation tank 74 are arranged at the downstream of the iron-carbon micro-electrolysis tank 71, wastewater firstly enters the iron-carbon micro-electrolysis tank 71 to carry out micro-electrolysis reaction, generated iron salt sludge and the wastewater enter the pH adjusting-back tank 72 to adjust the pH value and then enter the coagulation tank 73 through the water hole 631, in the coagulation tank 73, suspended matters in the wastewater are mixed with a flocculating agent in the wastewater to form flocculating micelles, and the wastewater and the flocculating micelles enter the sedimentation tank 74 to be precipitated through the water distribution channel 75, so that a good wastewater treatment effect is achieved.
The integrated wastewater treatment device has the advantages of breaking the layout mode that all reaction tanks are arranged in sequence in the prior art, forming the integrated wastewater treatment device through the layout of all reaction tanks, having simpler structure, low construction cost, low operation cost, high integration degree, fast construction period and the like.
Further, as shown in fig. 1 to 5, a water distribution pipeline 711 and an aeration pipeline 712 are arranged at the lower part of the iron-carbon micro-electrolysis cell 71, a filler layer 713 is arranged at the middle part of the iron-carbon micro-electrolysis cell 71, and iron-carbon micro-electrolysis filler is arranged in the filler layer 713. The upper part of the iron-carbon micro-electrolysis cell 71 is provided with a first effluent weir 714 for enabling water in the iron-carbon micro-electrolysis cell 71 to automatically flow into the pH regulation cell 72. The water distribution pipe 711 is connected with the water inlet pump 715, the aeration pipe 712 is connected with the aeration fan 716, so that the water distribution pipe 711 enables water flow to uniformly flow through the packing layer 713, the aeration fan 716 and the aeration pipe 712 generate uniform air flow, iron-carbon fillers in the packing layer 713 roll and are fully contacted with wastewater to generate micro-electrolysis reaction, and through rolling collision, iron scrap passivation layers caused by micro-electrolysis fall off and flow into the pH regulation tank 72 along with the wastewater through the first water outlet weir 714.
Preferably, the water distribution pipe 711 is located above the aeration pipe 712, so that the water flowing out of the water distribution pipe 711 is further homogenized by the air flow, and the uniformity of the water flowing into the filler is improved. In addition, the arrangement of the aeration pipeline 712 at the lower part is also beneficial to the turning direction of the aeration nozzle on the aeration pipeline 712, thereby flushing the sludge at the bottom of the tank. Specifically, the aeration pipeline 712 includes an air pipe and an aeration nozzle arranged on the air pipe, the aeration nozzle is sealed and rotatably arranged on the air pipe, under a normal state, a nozzle of the aeration nozzle faces upwards to enable the air flow to the packing layer 713, when a certain amount of sludge is deposited at the bottom of the tank, the aeration nozzle is turned over, the nozzle of the aeration nozzle is enabled to be arranged downwards approximately and obliquely relative to the bottom of the tank, so that the gas sprayed by the aeration nozzle erodes the bottom of the tank, the sludge at the bottom of the tank is scoured to one side of the iron-carbon micro-electrolysis tank 71, a sludge discharge port and a door body covering the sludge discharge port can be arranged at the side, and the door body can be opened to discharge the sludge out of the iron-carbon micro-electrolysis tank 71.
In order to further improve the reaction uniformity of the iron-carbon micro-electrolysis filler in the filler layer 713, preferably, the filler layer 713 is connected to a driving motor, the driving motor can drive the filler layer 713 to rotate along a horizontal axis, and the driving motor can be controlled to drive the filler layer 713 to rotate 180 degrees at intervals so as to change the orientation state of the iron-carbon micro-electrolysis filler in the filler layer 713. When the driving motor drives the packing layer 713 to rotate, an excessive iron scrap passivation layer can fall off, and at the moment, in order to reduce the bottom sinking amount of the iron scrap passivation layer, the aeration pipeline 712 is preferably controlled to increase the air pressure, so that the impact force of the air flow on the packing layer 713 is increased.
Further preferably, the iron-carbon micro-electrolysis filler comprises an oval sintered filler, the filler specification being 1 x 3cm to 3 x 5 cm; the height of the filler layer is 1.5m to 2.5 m. The elliptic sintered filler is a high-efficiency regularized filler which is prepared by uniformly mixing, pressing and molding iron, carbon and other catalysts, namely metal and nonmetal elements with the grain sizes meeting the standard according to a certain proportion, and then performing solid-phase sintering by adopting a high-temperature micropore activation technology. The filler solves the problems and disadvantages of hardening, passivation, activation and replacement of the filler in the traditional micro-electrolysis sewage treatment process, and has the advantage of a continuous high-activity iron bed. Due to the double functions of micro-electrolysis and a catalyst, compared with the traditional iron-carbon filler, the elliptical sintered filler has the following advantages:
(1) aiming at the treatment of wastewater with high concentration of organic matters, high toxicity, high chroma and difficult biochemical treatment, the removal rate of COD in the wastewater is improved by 10-20 percent and can reach 35-80 percent, the chroma can be removed by 60-90 percent, meanwhile, the B/C value can be improved by 0.1-0.3, and the biodegradability of the wastewater is improved.
(2) The loss of the filler can be reduced by more than 60 percent.
(3) The sludge amount generated in the treatment process is reduced by more than 50 percent.
Further, as shown in fig. 5, the pH adjusting tank 72 is connected to a first chemical adding device 721, and is configured to add an alkali solution into the pH adjusting tank 72, and the adding amount and adding speed of the alkali solution can be controlled by the first chemical adding device 721, so that the pH value of the wastewater in the pH adjusting tank 72 is in a range from 6 to 9. A first stirring mechanism 722 is arranged in the pH adjusting tank 72 and is used for stirring the wastewater in the pH adjusting tank 72, so that the adjusting efficiency of the pH value is improved.
Further, as shown in fig. 5, the coagulation tank 73 is connected to a second dosing device 731, which is used for dosing a flocculating agent, such as PAM, into the coagulation tank 73. A second stirring mechanism 732 is arranged in the coagulation tank 73 and is used for stirring the wastewater in the coagulation tank 73, so that suspended matters in the wastewater and a flocculating agent are fully mixed to form a flocculation micelle.
Further, as shown in fig. 4 and 5, the sedimentation tank 74 sequentially comprises a sludge hopper 741, a mixing region 742, an inclined plate region 743 and a clean water region 744 from bottom to top, the inclined plate region 743 is provided with an inclined plate filler 745, the mixing region 742 is provided with a mud scraping mechanism 746, and the clean water region 744 is provided with a second effluent weir 747. Thus, the wastewater uniformly enters the mixing region 742 of the sedimentation tank 74 through the water distribution channel 75, under the disturbance action of the sludge scraping mechanism 746, the wastewater uniformly passes through the inclined plate region 743, is collected by the second effluent weir 747, and then enters the subsequent process, and the sludge separated and treated by the inclined plate region 743 is collected into the sludge hopper 741 under the action of the sludge scraping mechanism 746. Preferably, the sludge hopper 741 is formed by sinking the bottom wall 5, the sludge hopper 741 is connected with a sludge pump 9, an outlet of the sludge pump 9 is connected with the pH adjusting tank 72 and the sludge tank, so that a part of sludge accumulated in the sludge hopper 741 can be discharged to the sludge tank under the action of the sludge pump 9, the other part of sludge can be returned to the pH adjusting tank 72 under the action of the sludge pump 9, flocculation and sedimentation in the sedimentation tank 74 are repeatedly utilized by the coagulation tank 73, and the combination of micro-electrolysis and high-density sedimentation is realized, so that the structure of the wastewater treatment device is simplified.
The mud scraping mechanism 746 may be any structure for achieving the stirring and mud hanging effects, and in a preferred embodiment, as shown in fig. 3 to 5, the mud scraping mechanism 746 includes a first cross member 7461 and a second cross member 7462 arranged up and down, and a longitudinal member 7463 connecting the first cross member 7461 and the second cross member 7462, the longitudinal member 7463 is arranged in plurality from the radially inner side to the radially outer side, a mud scraping plate 7464 is connected to the bottom of the longitudinal member 7463, and the mud scraping plate 7464 is fitted to the corresponding bottom wall 5.
To solve the problem that the water distribution channel 75 is easily blocked when too much flocculated micelles are generated in the coagulation tank 73, it is preferable that the fourth partition wall 64 is inclined from top to bottom toward the central axis of the sedimentation tank 74 as shown in fig. 6, so that the size of the water distribution channel 75 is gradually increased from top to bottom, the supporting force on the sludge in the middle of the water distribution channel 75 is reduced, and the sludge blocking probability of the water distribution channel 75 is reduced. It is further preferable that the end of the second beam 7462 extends to the second opening 641, so that the position where the blockage is likely to occur is disturbed by the end structure of the second beam 7462, and the probability of the sludge blockage is further reduced. The end of the second beam 7462 also extends upward to form a deflector 7465, and the deflector 7465 is used to further stir the flocculated micelles in the water distribution channel 75.
Further preferably, as shown in fig. 7, the stirring blade 100 is provided at a portion of the driving shaft of the sludge scraping mechanism 746 in the sludge hopper 741, the stirring blade 100 includes a first stirring portion 101 and a second stirring portion 102 disposed at an angle in a horizontal plane, the second stirring portion 102 rotates by a predetermined angle relative to the first stirring portion 101 in the rotation direction of the driving shaft, an intersection line of the first stirring portion 101 and the second stirring portion 102 is inclined from top to bottom in a direction close to the driving shaft, the first stirring portion 101 is disposed closer to the driving shaft than the second stirring portion 102, and the first stirring portion 101 and the second stirring portion 102 are inclined from top to bottom in a direction opposite to the rotation direction of the driving shaft. The outer edge of the second stirring part 102 comprises an upper edge part 1021 and a lower edge part 1022, the upper edge part 1021 inclines from top to bottom in the direction away from the driving shaft, and the lower edge part 1022 inclines from top to bottom in the direction close to the driving shaft, so that the sludge in the sludge hopper 741 can be turned up and down and can also rotate, the turning effect of the sludge in the sludge hopper 741 is ensured, and the sludge is prevented from being blocked in the sludge hopper 741 and being difficult to discharge.
In a preferred embodiment, the volume ratio of the coagulation basin 73 to the sedimentation basin 74 is 1:3 to 1: 5. Due to the fact that the heights of the tank bodies are basically consistent in the embodiment, the volume ratio can determine the residence time or surface load of each tank, and therefore the coagulation tank 73 can be ensured to have reasonable hydraulic residence time so as to ensure the coagulation effect and the sedimentation effect.
In a preferred embodiment, the volume ratio of the iron-carbon micro-electrolysis cell 71 to the sedimentation cell 74 is 1.5:1 to 3: 1. The same ratio of the volume of the iron-carbon micro-electrolysis cell 71 to the volume of the sedimentation cell 74 determines the residence time of the two cells, and the water treatment effect can be ensured within a reasonable residence time range.
The structural layout of the application can be more beneficial to realizing each volume ratio.
Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The integrated iron-carbon micro-electrolysis wastewater treatment device is characterized by comprising a first peripheral side wall, a second peripheral side wall, a third peripheral side wall, a fourth peripheral side wall and a bottom wall, wherein the first peripheral side wall and the third peripheral side wall are oppositely arranged, and the second peripheral side wall and the fourth peripheral side wall are oppositely arranged;
the integrated iron-carbon micro-electrolysis wastewater treatment device is characterized by further comprising a plurality of partition walls arranged in the integrated iron-carbon micro-electrolysis wastewater treatment device, wherein the plurality of partition walls comprise first partition walls which are connected with the first peripheral side wall and the third peripheral side wall, and an iron-carbon micro-electrolysis cell is formed between the first partition walls and the second peripheral side wall;
a top plate is arranged at the top of a space between the first partition wall and the fourth peripheral side wall, the plurality of partition walls further comprise a second partition wall connecting the first partition wall and the fourth peripheral side wall and a third partition wall connecting the first peripheral side wall and the second partition wall, a pH adjusting tank is formed between the third partition wall and the first partition wall, a coagulation tank is formed between the third partition wall and the fourth peripheral side wall, the top of the third partition wall is connected with the top plate, and a water passing hole is formed between the bottom of the third partition wall and the bottom wall;
the plurality of partition walls further comprise a fourth partition wall arranged between the second partition wall and the third peripheral side wall and connected with the first partition wall and the fourth peripheral side wall, and a sedimentation tank is formed between the fourth partition wall and the third peripheral side wall.
2. The integrated iron-carbon microelectrolysis wastewater treatment device according to claim 1, wherein the second partition wall is provided with a first opening between a portion corresponding to the coagulation tank and the top plate, a top portion of the fourth partition wall is connected with the top plate, a bottom portion and the bottom wall form a second opening therebetween, and the first opening, the second opening, and a space between the second partition wall and the fourth partition wall form a water distribution channel.
3. The integrated iron-carbon micro-electrolysis wastewater treatment device according to claim 1, wherein a water distribution pipeline and an aeration pipeline are arranged at the lower part of the iron-carbon micro-electrolysis cell, and the water distribution pipeline is positioned above the aeration pipeline;
the middle part of the iron-carbon micro-electrolysis cell is provided with a packing layer, and the packing layer is internally provided with iron-carbon micro-electrolysis packing;
and the upper part of the iron-carbon micro-electrolysis cell is provided with a first water outlet weir used for enabling water in the iron-carbon micro-electrolysis cell to automatically flow into the pH readjustment cell.
4. The integrated iron-carbon micro-electrolysis wastewater treatment device according to claim 3, wherein the iron-carbon micro-electrolysis filler comprises an oval sintered filler with a filler specification of 1 x 3cm to 3 x 5 cm; and/or the presence of a gas in the gas,
the height of the filler layer is 1.5m to 2.5 m.
5. The integrated iron-carbon micro-electrolysis wastewater treatment device according to claim 1, wherein the pH adjustment tank is connected with a first dosing device for dosing alkali liquor into the pH adjustment tank so as to enable the pH value of wastewater in the pH adjustment tank to be in a range of 6 to 9;
and a first stirring mechanism is arranged in the pH adjusting-back tank and is used for stirring the wastewater in the pH adjusting-back tank.
6. The integrated iron-carbon micro-electrolysis wastewater treatment device according to claim 1, wherein the coagulation tank is connected with a second dosing device for dosing a flocculating agent into the coagulation tank;
and a second stirring mechanism is arranged in the coagulation tank and is used for stirring the wastewater in the coagulation tank.
7. The integrated iron-carbon micro-electrolysis wastewater treatment device according to claim 1, wherein the sedimentation tank comprises a sludge hopper, a mixing zone, an inclined plate zone and a clear water zone from bottom to top in sequence, the inclined plate zone is provided with inclined plate fillers, the mixing zone is provided with a mud scraping mechanism, and the clear water zone is provided with a second effluent weir.
8. The integrated iron-carbon micro-electrolysis wastewater treatment device according to claim 7, wherein the sludge scraping mechanism comprises a first cross beam, a second cross beam and a longitudinal beam connecting the first cross beam and the second cross beam, the first cross beam and the second cross beam are arranged up and down, the longitudinal beam is arranged in a plurality from the radial inner side to the radial outer side, the bottom of the longitudinal beam is connected with a sludge scraping plate, and the sludge scraping plate is matched with the corresponding bottom wall.
9. The integrated iron-carbon micro-electrolysis wastewater treatment device according to claim 1, wherein the volume ratio of the coagulation tank to the sedimentation tank is 1:3 to 1: 5.
10. The integrated iron-carbon micro-electrolysis wastewater treatment device according to claim 1, wherein the volume ratio of the iron-carbon micro-electrolysis cell to the sedimentation tank is 1.5:1 to 3: 1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023967A (en) * | 2021-03-18 | 2021-06-25 | 河南绿水青山环保科技有限公司 | Integrated wastewater treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023967A (en) * | 2021-03-18 | 2021-06-25 | 河南绿水青山环保科技有限公司 | Integrated wastewater treatment device |
| CN113023967B (en) * | 2021-03-18 | 2024-02-20 | 河南绿水青山环保科技有限公司 | Integrated wastewater treatment device |
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