CN208500474U - The catalytic reaction device administered for river sewage - Google Patents
The catalytic reaction device administered for river sewage Download PDFInfo
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- CN208500474U CN208500474U CN201820856461.2U CN201820856461U CN208500474U CN 208500474 U CN208500474 U CN 208500474U CN 201820856461 U CN201820856461 U CN 201820856461U CN 208500474 U CN208500474 U CN 208500474U
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Abstract
The utility model discloses the catalytic reaction device administered for river sewage.The special a whole set of electrode that the utility model includes insulating support, is placed in insulating support；Special the whole series electrode includes doped tin oxide coatings positive electrode, metal negative electrode, metal plate, and doped tin oxide coatings positive electrode and metal negative electrode transpostion interval are arranged, and metal plate is located in the interval of negative electrode and positive electrode, but not with metal negative electrode, positive electrode contacted；The arrangement insulation net on each face of insulating support, for encapsulating negative electrode and positive electrode.The utility model is using the doped tin oxide coatings with very high electrocatalysis characteristic as positive electrode, during energization electrolysis water, no diaphragm, without adding chlorine and not adding any chemical reagents under conditions of, stink, ammonia nitrogen and the total phosphorus in river sewage can quickly be eliminated, and the effect of catalytic reaction device processing ammonia nitrogen is not influenced by urban river water flow velocity, to achieve the purpose that quickly to administer river sewage and not generate secondary pollution.
Description
Technical field
The utility model belongs to electrochemical catalytic oxidation and administers river sewage field, is related to a kind of for river sewage improvement
Catalytic reaction device.
Background technique
City river pollution problem is got worse, and is especially receiving the halfway city of pipe to rainwater, sewage separation, largely
Sanitary sewage in addition trade effluent be directly discharged in city river, seriously pollute city river.Currently, pollution city river
The main reason for road water is due to ammonia nitrogen in sewage, and total phosphorus is exceeded, and urban river water is caused to black, is smelly.Traditional river regulation side
Method, if ecological green is planted, microbial degradation etc. can not all degrade the ammonia nitrogen of river sewage middle and high concentration and phosphorus.
Currently, Electrocatalytic Oxidation is utilized to the ammonia nitrogen in removal sewage.It is decisive that electrocatalytic oxidation removes ammonia nitrogen
What is acted on is the electrocatalytic properties of positive electrode material.Ammonia nitrogen in Electrocatalytic Oxidation removal sewage based on existing positive electrode,
It needs to contain a large amount of chloride ion in sewage.If there is no chloride ion in sewage, electrocatalytic oxidation of the existing positive electrode to ammonia nitrogen
It can hardly realize, degradation of ammonia nitrogen has little effect.In addition, only managing in the more existing technique for industrial wastewater ammonia nitrogen removal
Addition chloride ion is not needed, but its cell body is diaphragm cell, and cathode needs to add nitrite.However, for
For city river sewage, it is practically free of chloride ion, and the urban river water scale of construction is big, so existing electro-catalysis removes ammonia nitrogen technology,
Nitrate is added in such as electro-catalysis diaphragm cell and cathode, is not able to satisfy to the ammonia nitrogen removal demand in river sewage.Therefore,
City river waste water control is so far or a problem.
Summary of the invention
The purpose of this utility model is provided a kind of using electrocatalytic oxidation for refractory this problem of reason of existing waterway sewage
Change technology, in the case where not adding chlorine, ammonia nitrogen and phosphorus in the river sewage that can directly and quickly degrade are urged without diaphragm electricity
Change reaction unit.
The technological means that the utility model uses is as follows:
The utility model is used for the catalytic reaction device that river sewage is administered, including insulating support, is placed in insulating support
Interior special a whole set of electrode；The special a whole set of electrode includes coating of metal oxides positive electrode, metal negative electrode, metal
Plate, coating of metal oxides positive electrode and metal negative electrode transpostion interval are arranged, and metal plate is between negative electrode and positive electrode
Every interior, but not with metal negative electrode, positive electrode contact；
The arrangement insulation net on each face of insulating support, for encapsulating negative electrode and positive electrode；Coating of metal oxides sun
Electrode is connected by positive electrode binding post with the anode of external power, and metal negative electrode passes through the cathode of cathode terminal and external power
It is connected；Immersible pump is installed on each face other than top surface of insulating support and positioned at the outside of insulation net；It is insulating
The bottom installation insulation foot prop of bracket, for supporting whole device.
The metallic oxide coating electrode is doped tin oxide coatings positive electrode.
The oxygen evolution potential of coating of metal oxides positive electrode is higher than 1.5V (reference mark hydrogen electrode), preferably higher than 2.5V
(reference mark hydrogen electrode).
The metal plate is aluminium sheet or iron plate.
The spacing of positive electrode and adjacent negative electrode is 2-5mm.The remarkable advantage of the utility model is:
The utility model is using the doped tin oxide coatings with very high electrocatalysis characteristic as positive electrode, in energization electrolysis water
During, no diaphragm, without adding chlorine and not adding any chemical reagents under conditions of, can quickly eliminate river dirt
Stink, ammonia nitrogen and total phosphorus in water, and the effect of catalytic reaction device processing ammonia nitrogen is not influenced by urban river water flow velocity,
To achieve the purpose that quickly to administer river sewage and not generate secondary pollution.
Detailed description of the invention
Fig. 1 is the top view of catalytic reaction device structure, and 1 is insulating support in figure, and 2 be coating of metal oxides positive electricity
Pole, 3 be metal negative electrode, and 4 be metal plate, and 5 be insulation net, and 6 be immersible pump.
Fig. 2 is the front view of catalytic reaction device structure, and 9 be insulation foot prop in figure.
Fig. 3 is coating of metal oxides positive electrode structure chart, and 7 be titanium threaded bar in figure.
Fig. 4 is metal negative electrode structure chart, and 8 be stainless steel bar in figure.
Specific embodiment
The utility model is further analyzed combined with specific embodiments below.
As shown in Figure 1, 2, the catalytic reaction device administered for river sewage, including insulating support 1, metal oxide
Coating positive electrode 2, metal negative electrode 3, metal plate 4, insulation net 5, immersible pump 6, positive electrode binding post 7, negative electrode binding post 8,
Insulate foot prop 9；The insulating support 1 is frame structure, coating of metal oxides positive electrode 2,3 transpostion interval of metal negative electrode
Arrangement is arranged on insulating support 1；Metal plate 4 is located in the interval of negative electrode 3 and positive electrode 2, but not with metal negative electrode, positive
Electrode contact；
The insulation net 5 is mounted on six faces of insulating frame, and metal oxide positive electrode, negative electrode are wrapped up；
The immersible pump 6 is separately mounted to five in addition to the top surface face center on insulating frame, and in insulation net 5
Outside；
The insulation foot prop 9 is placed in the bottom of insulating support 1；
As shown in figure 3, positive electrode binding post 7 is welded on 2 top of metal oxide positive electrode；
As shown in figure 4, negative electrode binding post 8 is welded on 3 top of metal negative electrode；
The coating of metal oxides positive electrode 2 be by one group of doped tin oxide coatings positive electricity polar plate group at, between electrode plate between
It is divided into 4-10mm；
The coating of metal oxides positive electrode 2 is tin oxide positive electrode, and the oxygen evolution potential of the electrode is higher than 1.5V (reference
Mark hydrogen electrode current potential), preferably higher than 2.5V (reference mark hydrogen electrode).
The metal negative electrode 3 be by one group of stainless steel electrode plate or copper electrode board group at, between electrode plate between be divided into
4-10mm；
The metal plate 4 is stainless steel plate or aluminium sheet；
The positive electrode binding post 7 is titanium threaded bar；
The negative electrode binding post 8 is stainless steel threaded bar；
The spacing of the coating of metal oxides positive electrode and adjacent metal negative electrode is 2-5mm；
The mesh diameter of the insulation net 4 is in 3-5mm.
Embodiment 1
(1) positive electrode containing 5 pieces of doped tin oxide coatings electrode plates is selected, the oxygen evolution potential of doped tin oxide coatings anode plate is
2.5V, polar plate interval 6mm weld titanium threaded bar at the top of positive electrode；
(2) selection contains 6 pieces of metal negative electricity pole plates, polar plate interval 6mm, the soldering stainless steel screw thread at the top of negative electrode
Stick；
(3) negative electrode and positive electrode transpostion interval are arranged and guarantees being spaced about between negative electricity pole plate and positive electricity pole plate
3mm is mounted in insulating support；
(4) it will be inserted between negative electricity pole plate and positive electricity pole plate, and guarantee not with two with a thickness of the stainless steel plate after 0.5mm
Pole plate contact.
(5) the insulation net for being 3mm with aperture is mounted on each face of insulating frame, and negative electrode and positive electrode are wrapped up
Come.
(6) in the bottom surface of insulating support, left and right side, front and back sides difference installing submersible pump.
(7) in the bottom of insulating support installation insulation foot prop.
(8) whole device is put into water flow velocity is about in the river of 0.05m/s, it is ensured that whole device be immersed in the water surface with
Under, and DC power supply is accessed, supply upper current density for 200A/m on electrode2Electric current.
(9) immersible pump is opened, it is ensured that urban river water flows through electrocatalysis device, so that urban river water is uniformly mixed.
(10) when equipment energization electrolytic zinc-coated steel sheet half, the ammonia nitrogen concentration of river sewage has 14mg/L to fall below 0.1mg/L, total phosphorus by
1.5mg/L falls below 0.2mg/L.
Embodiment 2
(1) positive electrode containing 5 pieces of doped tin oxide coatings electrode plates is selected, the oxygen evolution potential of doped tin oxide coatings anode plate is
2.7V, polar plate interval 4mm weld titanium threaded bar at the top of positive electrode；
(2) selection contains 6 pieces of metal negative electricity pole plates, polar plate interval 4mm, the soldering stainless steel screw thread at the top of negative electrode
Stick；
(3) negative electrode and positive electrode transpostion interval are arranged and guarantees being spaced about between negative electricity pole plate and positive electricity pole plate
2mm is mounted in insulating support；
(4) it will be inserted between negative electricity pole plate and positive electricity pole plate, and guarantee not with two with a thickness of the stainless steel plate after 0.5mm
Pole plate contact.
(5) the insulation net for being 4mm with aperture is mounted on each face of insulating frame, and negative electrode and positive electrode are wrapped up
Come.
(6) in the bottom surface of insulating support, left and right side, front and back sides difference installing submersible pump.
(7) in the bottom of insulating support installation insulation foot prop.
(8) whole device is put into water flow velocity is about in the river 0.09m/s, it is ensured that whole device be immersed in the water surface with
Under, and DC power supply is accessed, supply upper current density for 100A/m on electrode2Electric current.
(9) immersible pump is opened, it is ensured that urban river water flows through electrocatalysis device, so that urban river water is uniformly mixed.
(10) equipment energization electrolytic zinc-coated steel sheet half an hour, the ammonia nitrogen concentration of river sewage have 15mg/L to fall below 0.07mg/L, always
Phosphorus falls below 0.3mg/L by 1.5mg/L.
Embodiment 3
(11) positive electrode containing 5 pieces of doped tin oxide coatings electrode plates is selected, the oxygen evolution potential of doped tin oxide coatings anode plate is
1.5V is divided into 6mm between anode plate, and titanium threaded bar is welded at the top of positive electrode；
(12) selection contains 6 pieces of metal negative electricity pole plates, is divided into 6mm between cathode plate, the soldering stainless steel spiral shell at the top of negative electrode
Line stick；
(13) negative electrode and positive electrode transpostion interval are arranged and guarantees the spacing between negative electricity pole plate and positive electricity pole plate about
For 3mm, it is mounted in insulating support；
(14) will be inserted between negative electricity pole plate and positive electricity pole plate with a thickness of the aluminium sheet after 0.5mm, and guarantee not with the two poles of the earth
Plate contact.
(15) the insulation net for being 3mm with aperture is mounted on each face of insulating frame, and negative electrode and positive electrode are wrapped up
Come.
(16) in the bottom surface of insulating support, left and right side, front and back sides difference installing submersible pump.
(17) in the bottom of insulating support installation insulation foot prop.
(18) whole device is put into water flow velocity is about in the river 0.13m/s, it is ensured that whole device be immersed in the water surface with
Under, and DC power supply is accessed, supply upper current density for 200A/m on electrode2Electric current.
(19) immersible pump is opened, it is ensured that urban river water flows through electrocatalysis device, so that urban river water is uniformly mixed.
When equipment energization electrolytic zinc-coated steel sheet half, the ammonia nitrogen concentration of river sewage has 17mg/L to fall below 0.3mg/L, total phosphorus by
1.2mg/L falls below 0.1mg/L.
Above-described embodiment is not the limitation for the utility model, and the utility model is not limited only to above-described embodiment,
As long as meeting the requires of the utility model, the protection scope of the utility model is belonged to.
Claims (5)
1. the catalytic reaction device administered for river sewage, it is characterised in that including insulating support, be placed in insulating support
Special a whole set of electrode；The described special a whole set of electrode includes coating of metal oxides positive electrode, metal negative electrode, metal plate,
Coating of metal oxides positive electrode and metal negative electrode transpostion interval are arranged, and metal plate is located at the interval of negative electrode and positive electrode
It is interior, but not with metal negative electrode, positive electrode contact；On each face of insulating support arrangement insulation net, for encapsulate negative electrode and
Positive electrode；Coating of metal oxides positive electrode is connected by positive electrode binding post with the anode of external power, and metal negative electrode passes through
Cathode terminal is connected with the cathode of external power；Diving is installed in the outside of the insulation net of the side and bottom of insulating support
Pump；In the bottom of insulating support installation insulation foot prop, for supporting whole device；The metallic oxide coating electrode is oxygen
Change tin coating positive electrode.
2. the catalytic reaction device administered as described in claim 1 for river sewage, it is characterised in that metal oxide
The oxygen evolution potential of coating positive electrode is higher than 1.5V, reference mark hydrogen electrode.
3. the catalytic reaction device administered as claimed in claim 2 for river sewage, it is characterised in that metal oxide
The oxygen evolution potential of coating positive electrode is higher than 2.5V, reference mark hydrogen electrode.
4. the catalytic reaction device administered as described in claim 1 for river sewage, it is characterised in that positive electrode and phase
The spacing of adjacent negative electrode is 2-5mm.
5. the catalytic reaction device administered as described in claim 1 for river sewage, it is characterised in that the metal
Plate is aluminium sheet or iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856461.2U CN208500474U (en) | 2018-06-04 | 2018-06-04 | The catalytic reaction device administered for river sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856461.2U CN208500474U (en) | 2018-06-04 | 2018-06-04 | The catalytic reaction device administered for river sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208500474U true CN208500474U (en) | 2019-02-15 |
Family
ID=65287518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820856461.2U Active CN208500474U (en) | 2018-06-04 | 2018-06-04 | The catalytic reaction device administered for river sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208500474U (en) |
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2018
- 2018-06-04 CN CN201820856461.2U patent/CN208500474U/en active Active
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