CN213231853U - Iron-carbon micro-electrolysis device - Google Patents
Iron-carbon micro-electrolysis device Download PDFInfo
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- CN213231853U CN213231853U CN202021703128.1U CN202021703128U CN213231853U CN 213231853 U CN213231853 U CN 213231853U CN 202021703128 U CN202021703128 U CN 202021703128U CN 213231853 U CN213231853 U CN 213231853U
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- iron
- carbon
- pipe
- reaction tank
- tank
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- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 238000004062 sedimentation Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005273 aeration Methods 0.000 claims abstract description 16
- 238000012856 packing Methods 0.000 claims abstract description 16
- 239000003513 alkali Substances 0.000 claims abstract description 15
- 239000000701 coagulant Substances 0.000 claims abstract description 10
- 239000003814 drug Substances 0.000 claims abstract description 6
- 239000010802 sludge Substances 0.000 claims description 16
- 239000002351 wastewater Substances 0.000 abstract description 20
- 239000000945 filler Substances 0.000 abstract description 18
- 238000005189 flocculation Methods 0.000 abstract description 3
- 230000016615 flocculation Effects 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 229910052742 iron Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000003411 electrode reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- -1 iron ion Chemical class 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses an iron-carbon micro-electrolysis device, including iron-carbon reaction tank and iron-carbon sedimentation tank, the bottom at iron-carbon reaction tank is connected to the play water end of inlet tube, is provided with the packing layer that iron-carbon packed in the iron-carbon reaction tank, and the downside of packing layer is provided with the aeration pipe, and iron-carbon reaction tank upper end lateral wall is connected with outlet conduit, and outlet conduit's the other end and iron-carbon sedimentation tank are connected, are provided with the blender on the outlet conduit, and the feed inlet of blender passes through the connecting pipe and adds medicine pond and alkali lye pond with the coagulant respectively and be connected. When the device is used, wastewater to be treated is subjected to micro-electrolysis treatment in an iron-carbon reaction tank, the wastewater enters the bottom from a water inlet pipe and is subjected to purification treatment through a filler, gas enters the bottom of the device from an aeration pipe and is oxidized and stirred, and the treated wastewater is discharged into an iron-carbon sedimentation tank through a water outlet pipe. And adding alkali liquor to the sedimentation tank for flocculation and sedimentation.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to an iron-carbon micro-electrolysis device.
Background
The micro-electrolysis technology is an ideal process for treating high-concentration and high-acidity organic wastewater at present, in the acidic wastewater, nascent hydrogen and ferrous ions generated by electrode reaction can generate redox reaction with organic matters and inorganic matters, so that macromolecular substances are decomposed into micromolecular intermediates, certain organic matters which are difficult to degrade are reduced to generate compounds which are easy to degrade, and the biodegradability of the wastewater is improved.
The most practical application of microelectrolysis technology engineering is iron-carbon microelectrolysis, which has a relatively simple principle, i.e. the difference between the oxidation-reduction potentials of iron and carbon is used to make them form countless tiny primary cell circuits in a reactor, and these tiny cells use iron with low potential as cathode and carbon with high potential as anode to make electrochemical reaction in aqueous solution containing acidic electrolyte. The basic principle mainly has 4 aspects: electric field action, hydrogen redox action, iron reduction action, iron ion coagulation action (alkaline condition). The iron-carbon electrode reaction needs to be carried out under an acidic condition to achieve a good effect, so that the pH value of the wastewater needs to be adjusted to 3-4 before the reaction, and the pH value is about 5.7 after the reaction is finished, generally in order to remove Fe in the wastewater2+And Fe3+Alkali is needed to adjust the pH value of the effluent to be alkalescent.
At present, the existing external micro-electrolysis device mainly comprises a tank body and iron-carbon mixed fillers arranged in the tank body, and is characterized by simple structure and good plug flow property, but has the defects of poor iron-carbon reaction speed, low efficiency, and mutual overlapping and overstocking of the iron-carbon mixed fillers, easy hardening of a bed body, short circuit and dead zones, insufficient reaction and influence on the effect of water treatment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an iron carbon reaction speed piece, efficient, the reaction is abundant, can not influence a water treatment effect's an iron carbon micro electrolysis unit.
In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides an iron-carbon micro-electrolysis unit, including iron-carbon reaction tank and iron-carbon sedimentation tank, the bottom at iron-carbon reaction tank is connected to the play water end of inlet tube, be provided with the packing layer that iron-carbon packed in the iron-carbon reaction tank, the downside of packing layer is provided with the aeration pipe, the downside of iron-carbon reaction tank is provided with the sludge impoundment, iron-carbon reaction tank upper end lateral wall is connected with outlet conduit, outlet conduit's the other end and iron-carbon sedimentation tank are connected, the last blender that is provided with of outlet conduit, the feed inlet of blender passes through the connecting pipe and adds the medicine pond with the coagulant respectively and be connected with alkali lye pond, be provided with the PH meter on the outlet conduit between blender and the iron-carbon sedimentation tank, iron.
In a preferred embodiment, the bottom of the sludge tank and the iron carbon sedimentation tank is provided with a sludge discharge port.
In a preferred embodiment, the packing layer comprises a square grid, and a mesh bag is lined in the square grid, and iron-carbon packing is placed in the mesh bag.
In a preferred embodiment, the air inlet end of the aeration pipe is connected with one end of an air inlet pipeline, the other end of the air inlet pipeline extends out of the iron-carbon reaction tank, and one end of the air inlet pipeline extending out of the iron-carbon reaction tank is provided with a flow meter.
As a preferred embodiment, the aeration pipe comprises a horizontal long pipe, the horizontal long pipe is provided with a first group of vertical pipes, a second group of vertical pipes and a third group of vertical pipes, the vertical pipes in the same group have the same length, the second group of vertical pipes are arranged outside the first group of vertical pipes, the third group of vertical pipes are arranged outside the second group of vertical pipes, and the air inlet pipe is connected with the horizontal long pipe.
In a preferred embodiment, the coagulant adding pool is connected with the mixer through a coagulant adding pump, and the alkali liquor pool is connected with the mixer through an alkali adding pump.
Adopt above-mentioned technical scheme the utility model discloses the beneficial effect who obtains does: when the device is used, wastewater to be treated is subjected to micro-electrolysis treatment in an iron-carbon reaction tank, the wastewater enters the bottom from a water inlet pipe and is subjected to purification treatment through a filler, gas enters the bottom of the device from an aeration pipe and is oxidized and stirred, and the treated wastewater is discharged into an iron-carbon sedimentation tank through a water outlet pipe. Because the pH value of the iron-carbon micro-electrolysis optimal reaction is adjusted to 3-4, and the pH value is about 5.7 after the reaction is finished, alkali liquor needs to be added to a sedimentation tank for flocculation and sedimentation. The phenomena of hardening and blocking of the iron-carbon filler are avoided, the treatment efficiency can be improved, and the service life of the filler can be prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a flow meter; 2-an air inlet duct; 3-water outlet pipe; 4-an aerator pipe; 5-square lattice frame; 6-a filler layer; 7-water inlet pipe; 8-a sludge tank; 9-a sludge discharge port; 10-a mixer; 11-a pH meter; 12-a dosing pump; 13-a coagulant adding tank; 14-an alkaline solution pool; 15-alkali adding pump; 16-overflow.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
It is right to combine the attached drawing the utility model discloses it is right to describe further, make the better implementation of the technical field's of affiliated skill personnel the utility model discloses, the embodiment of the utility model provides an iron-carbon micro-electrolysis unit, including iron-carbon reaction tank and iron-carbon sedimentation tank, the bottom at iron-carbon reaction tank is connected to the delivery end of inlet tube 7, be provided with the packing layer 6 that iron-carbon packed in the iron-carbon reaction tank, the downside of packing layer 6 is provided with aeration pipe 4, iron-carbon reaction tank's downside is provided with sludge impoundment 8, iron-carbon reaction tank upper end lateral wall is connected with outlet pipe 3, the other end and the iron-carbon sedimentation tank that outlet pipe 3 said are connected, outlet pipe 3 is provided with blender 10 in the way, the feed inlet of blender 10 passes through the connecting pipe and adds medicine pond 13 and alkali lye pond 14 with the coagulant respectively and is connected, be provided with the PH meter on outlet pipe 3 between blender 10 and the iron.
The embodiment of the utility model provides a divide into iron carbon reaction tank and iron carbon sedimentation tank two parts, during the use, the waste water that needs to handle carries out little electrolytic treatment at iron carbon reaction tank, and at first waste water gets into iron carbon reaction tank bottom from inlet tube 7 and carries out purification treatment through the iron carbon filler, and gas gets into iron carbon reaction tank bottom from aeration pipe 4 and oxidizes and the stirring, and the waste water after the processing is through 3 rows of iron carbon sedimentation tanks of iron carbon reaction tank upper portion outlet pipe. Because the pH value of the iron-carbon micro-electrolysis optimal reaction is adjusted to 3-4, and the pH value is about 5.7 after the reaction is finished, alkali liquor needs to be added to the iron-carbon sedimentation tank for flocculation and sedimentation. The phenomena of hardening and blocking of the iron-carbon filler are avoided, the treatment efficiency can be improved, and the service life of the filler can be prolonged.
Packing layer 6 in the iron carbon reaction tank comprises latticed square grid 5, and the soft pocket of square inside lining of square grid 5 places iron carbon in the pocket, and this kind of setting is easily demolishd, the solution iron slime incrustation that can be better, the problem of rivers route jam, and this kind of setting allows the manual work to mention the maintenance simultaneously, has saved the expense of lifting by crane equipment, and the maintenance is changed conveniently. The filler is an iron-carbon micro-electrolysis composite filler, and the filler can adopt different component proportions according to the characteristics of wastewater in different industries, so that the pertinence is stronger, and the treatment effect is better. Iron is added into the filler, so that the increase of the product density can be ensured, and the production of mud can be greatly reduced on the premise of ensuring the treatment effect.
The water inlet pipe 7 is horizontally provided with a hole in the iron-carbon reaction tank, so that the inlet water is more dispersed and fully contacted with the iron-carbon filler. The aeration pipe 4 is located the bottom of packing layer 6, including horizontal long tube, is equipped with the vertical pipe of first group, the vertical pipe of second group and the vertical pipe of third group on horizontal long tube, and the vertical pipe length of the same group is the same. The second group of vertical pipes are arranged outside the first group of vertical pipes, the third group of vertical pipes are arranged outside the second group of vertical pipes, and the lengths of the first group of vertical pipes, the second group of vertical pipes and the third group of vertical pipes are reduced accordingly. The air inlet pipeline 2 is connected with the horizontal long pipe, the flow meter 1 is arranged at the front end of the air inlet pipeline, the aeration rate is increased, a flushing pipeline can be realized, the filler can be effectively prevented from hardening, the wastewater mixing reaction is carried out during the reaction, and the effects of oxidation and stirring are achieved. A sludge tank 8 is arranged at the lower side of the iron-carbon reaction tank, and sludge discharge ports 9 are arranged at the bottoms of the sludge tank 8 and the iron-carbon sedimentation tank, so that the sediment contained in the wastewater to be treated is prevented from being deposited at the bottom; the bottom of the iron-carbon sedimentation tank is provided with a sludge discharge port 9, a sludge storage section is arranged above the sludge discharge port 9, a sedimentation area is arranged above the sludge storage section, a clear water area is arranged above the sedimentation area, and an overflow water outlet groove is arranged above the clear water area for discharging the treated wastewater.
Outlet pipe 3 is located the upper portion of iron carbon reaction tank, and the waste water after the processing flows into blender 10 through this outlet pipe 3 play water, and coagulant adds the medicine pond 13 and is connected to pipe-line mixer 10 through adding medicine pump 12, and alkali liquor pond 14 is connected to pipe-line mixer 10 through adding alkali pump 15, and the PH value that goes out water after the little electrolytic reaction of iron carbon that flows through blender 10 adjusts to basicity, is convenient for form the floc simultaneously, better separation, get rid of the pollutant.
1. The embodiment of the utility model has simple structure, low operation and maintenance cost and wide application range, and can be applied to various organic wastewater;
2. the front end of the aeration pipe 4 of the embodiment of the utility model is provided with the flowmeter 1, which can increase aeration quantity to flush the filler and effectively prevent the filler from hardening; the aeration quantity is reduced, the normal oxidation and stirring effects are achieved, and the equipment cost can be saved;
3. the embodiment of the utility model provides a 6 parts of packing layer are become by square grillage 5, and built-in packing sack can make things convenient for the manual work to lift up the maintenance, and the device is easily demolishd, can effectively prevent to pack and block up, also can better solve the problem of iron mud dirt ization.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. An iron-carbon micro-electrolysis device is characterized in that: including iron carbon reaction tank and iron carbon sedimentation tank, the bottom at iron carbon reaction tank is connected to the play water end of inlet tube, be provided with the packing layer that iron carbon packed in the iron carbon reaction tank, the downside of packing layer is provided with the aeration pipe, iron carbon reaction tank's downside is provided with the sludge impoundment, iron carbon reaction tank upper end lateral wall is connected with outlet conduit, outlet conduit's the other end and iron carbon sedimentation tank are connected, the last blender that is provided with of outlet conduit, the feed inlet of blender passes through the connecting pipe and adds the medicine pond with the coagulant respectively and be connected with alkali lye pond, be provided with the PH meter on the outlet conduit between blender and the iron carbon sedimentation tank, iron carbon sedimentation tank upper end is provided with the overflow mouth.
2. The iron-carbon microelectrolysis device according to claim 1, wherein: sludge discharge ports are arranged at the bottoms of the sludge tank and the iron carbon sedimentation tank.
3. The iron-carbon microelectrolysis device according to claim 1, wherein: the packing layer comprises a square grid, a grid lining mesh bag of the square grid, and iron carbon packing is placed in the mesh bag.
4. The iron-carbon microelectrolysis device according to claim 1, wherein: the inlet end of aeration pipe is connected with the one end of admission line, and the other end of admission line extends iron carbon reaction tank, and the one end that admission line extended iron carbon reaction tank is provided with the flowmeter.
5. The iron-carbon microelectrolysis device according to claim 4, wherein: the aeration pipe includes the horizontal long pipe, is equipped with the vertical pipe of first group, the vertical pipe of second group and the vertical pipe of third group on the horizontal long pipe, and the same vertical pipe length of a set of is the same, and the vertical pipe of second group is established in the outside of the vertical pipe of first group, and the vertical pipe of third group is established in the outside of the vertical pipe of second group, and the admission line is connected with the horizontal long pipe.
6. The iron-carbon microelectrolysis device according to claim 1, wherein: the coagulant adding tank is connected with the mixer through a coagulant adding pump, and the alkali liquor tank is connected with the mixer through an alkali adding pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021703128.1U CN213231853U (en) | 2020-08-13 | 2020-08-13 | Iron-carbon micro-electrolysis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021703128.1U CN213231853U (en) | 2020-08-13 | 2020-08-13 | Iron-carbon micro-electrolysis device |
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| CN213231853U true CN213231853U (en) | 2021-05-18 |
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| CN202021703128.1U Active CN213231853U (en) | 2020-08-13 | 2020-08-13 | Iron-carbon micro-electrolysis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849520A (en) * | 2023-01-09 | 2023-03-28 | 合肥工业大学 | Preparation method of iron-manganese biochar material, application, device and method |
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2020
- 2020-08-13 CN CN202021703128.1U patent/CN213231853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849520A (en) * | 2023-01-09 | 2023-03-28 | 合肥工业大学 | Preparation method of iron-manganese biochar material, application, device and method |
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Address after: No. 906, 9th Floor, Building 2, Xinghua Science and Technology Industrial Park, West of Second Street, South of Jingnan First Road, Zhengzhou Area (Jingkai), Free Trade Pilot Zone, Zhengzhou City, Henan Province, 450048 Patentee after: Huaxia Bishui Environmental Protection Technology Co.,Ltd. Address before: 450048 906, floor 9, building 2, Xinghua science and Technology Industrial Park Patentee before: HUAXIA BISHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |