CN103466758B - Composite cathode and electrochemical multiple-stage water treatment equipment utilizing same - Google Patents
Composite cathode and electrochemical multiple-stage water treatment equipment utilizing same Download PDFInfo
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- CN103466758B CN103466758B CN201310437553.9A CN201310437553A CN103466758B CN 103466758 B CN103466758 B CN 103466758B CN 201310437553 A CN201310437553 A CN 201310437553A CN 103466758 B CN103466758 B CN 103466758B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 37
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000010865 sewage Substances 0.000 claims abstract description 27
- 229910052793 cadmium Inorganic materials 0.000 claims abstract description 22
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims abstract description 22
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 20
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010936 titanium Substances 0.000 claims abstract description 20
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 20
- 239000011701 zinc Substances 0.000 claims abstract description 20
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 19
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011651 chromium Substances 0.000 claims abstract description 18
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011133 lead Substances 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011572 manganese Substances 0.000 claims abstract description 12
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 12
- 229910052709 silver Inorganic materials 0.000 claims abstract description 10
- 239000004332 silver Substances 0.000 claims abstract description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 7
- 230000005518 electrochemistry Effects 0.000 claims description 27
- 238000005202 decontamination Methods 0.000 claims description 15
- 230000003588 decontaminative effect Effects 0.000 claims description 15
- 239000004411 aluminium Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 8
- 239000010962 carbon steel Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 37
- 230000000694 effects Effects 0.000 abstract description 15
- 150000002500 ions Chemical class 0.000 abstract description 13
- 239000000498 cooling water Substances 0.000 abstract description 4
- 238000002848 electrochemical method Methods 0.000 abstract description 4
- 238000003723 Smelting Methods 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000274 adsorptive effect Effects 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- 239000010406 cathode material Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- -1 adsorbs Substances 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to the field of electrochemical industrial circulating cooling water treatment and sewage treatment, and specifically relates to a composite cathode and electrochemical multiple-stage water treatment equipment utilizing the same. The equipment is used for solving the technical problem that the existing electrochemical method is insufficient in removing heavy metal ions in industrial circulating cooling water and sewage. The composite electrode is obtained through the following steps of smelting three metals titanium, copper and silver, and then adding iron, zinc, aluminum, cadmium, lead, chromium, nickel and manganese (or only several of the elements) for even smelting, and molding to obtain the composite electrode; and in parts by weight, the composite electrode is made from 60-100 parts of titanium, 50-70 parts of copper, 20-30 parts of silver, 80-120 parts of iron, 55-90 parts of zinc, 70-80 parts of aluminum, 100-120 parts of cadmium, 100-150 parts of lead, 40-50 parts of chromium, 45-65 parts of nickel and 35-45 parts of manganese. The composite cathode provided by the invention has the advantages that the removal of various heavy metal ions in the treated water is realized by means of a plurality of heavy metal elements and the mutual matching relationship of the elements, and the removal effect is obvious.
Description
Technical field
The present invention relates to electrochemical industry circulating water cooling treatment, sewage treatment area, be specially a kind of composite cathode and adopt the electrochemistry multi-stage water treatment plant of this negative electrode.
Background technology
Electrochemical method at present for industrial circulating cooling water process, sewage disposal is generally carry out electrolysis treatment by negative and positive two electrode pair industrial circulating cooling water, sewage, under impressed current effect: method 1, sacrificial anode protection: as electrolytic process makes anode (anode adopt Fe, Al) produce a large amount of positively charged ions (as Fe ion, Al ion etc.) when electrolysis, be combined the Fe(OH generated with hydroxide ion)
2the effect having flocculation, absorption and precipitate, can flocculate to the numerous foreign material in processed water, adsorbs, precipitates removal.Method 2, electrochemical cathodic protection method: anode adopts noble coatings; stop sacrificed anticathode; by the chemical reaction that electrolysis produces; the material needing in the water be processed to remove is made to separate out (such as carbonate, heavy metal) in special cathode absorption, fouling; make it come off from negative electrode by scraping dirt, then by back-flushing method, the material needing to remove is discharged operational system.The heavy metal element of Multiple components is also included in current process water, waste water; for the removal of heavy metal element; electrochemical method generally adopts titanium or carbon steel as negative electrode; heavy metal element carries out Adsorption; but because in sewage, heavy metal element kind is more; adopt titanium not remarkable as the removal effect of negative electrode removal heavy metal, remove thorough not, can not meet the requirement of current environmental protection.Therefore need that a kind of removal heavy metal kind is many, the significant cathode material of removal effect.
Electrochemical process conventional at present removes the treatment facility containing the heavy metal ion in heavy metal water, due to electrode and processed water contact area is less, cathode material existing defects, hazardous and noxious substances removal effect in water is not obvious, the standard of reuse or discharge can not be reached, the water treating equipment of the comprehensive removal various heavy therefore needing a kind of removal ability strong.
Summary of the invention
The present invention is the heavy metal ion technical problem not thoroughly solved in current electrochemical method removal process water, sewage, provides a kind of composite cathode and adopts the electrochemistry multi-stage water treatment plant of this negative electrode.
Composite cathode of the present invention realizes by the following technical solutions: a kind of composite cathode, after titanium, copper, silver three kinds of melting of metal, add again in iron, zinc, aluminium, cadmium, lead, chromium, nickel, manganese any one two or three or four kind or five kinds or six kinds or seven kinds and eight kinds of fusings evenly, shaping, obtain composite cathode; Calculate with massfraction, titanium 60-100 part, copper 50-70 part, silver-colored 20-30 part, iron 80-120 part, zinc 55-90 part, aluminium 70-80 part, cadmium 100-120 part, plumbous 100-150 part, chromium 40-50 part, nickel 45-65 part, manganese 35-45 part.
Metal titanium has been applied to the removal for heavy metal in water treatment at present, and titanium has stronger adsorptive power to titanium family element, but for metallic elements such as the cadmium beyond titanium family, lead, chromium, nickel, copper, its adsorptive power is not obvious.Add in the present invention's copper after being melted down, silver, titanium in the zinc of certain mass ratio, aluminium, chromium, cadmium, lead, nickel, manganese any one or two or three or four kind or five kinds or six kinds or seven kinds and eight kinds, make negative electrode, the positively charged ion of the above-mentioned heavy metal element in processed water can be adsorbed on its surface by this negative electrode together with the carbonate in processed water, good removal effect is played to each Heavy Metallic Elements, metal titanium can also play good inducing action to adsorption, promotes that heavy metal element is in the absorption of negative electrode, attachment; Copper, silver and titanium mix according to affiliated ratio and to be conducive to the fusion of other heavy metal element after melting shaping; The ratio of component of described heavy metal element then can promote that the fusion of itself and copper, silver and titanium is shaping.Generally when electrolytic action, the metallic element of race's metallic element to this race metal or adjacent race has good adsorption effect, and the various elements that therefore the present invention adds can also adsorb the heavy metal element of of the same clan with it or adjacent race.A large amount of experiments shows that the mass ratio between copper of the present invention, silver and titanium and zinc, aluminium, chromium, cadmium, lead, nickel, manganese can reach best adsorption effect when processing the sewage containing heavy metal ion, and the treatment effect of sewage meets relevant national standard.
Electrochemistry multi-stage water treatment plant of the present invention realizes by the following technical solutions: a kind of electrochemistry multi-stage water treatment plant, comprises in tubular and upper port is provided with the cylinder body of upper end cover; Cylinder body upper end cover has water-in; The bottom of cylinder body is provided with sewage draining exit, and sewage draining exit is connected with blow-off line, and blow-off line is provided with sewage draining valve; The upper end cover of cylinder body has water outlet; Described cylinder interior is provided with the tubular net type anode that multiple diameter does not wait; Cylinder interior is also provided with a tubular negative electrode or multiple diameter tubular negative electrode not etc.; The equal opening of upper and lower ends of described tubular net type anode and tubular negative electrode, described tubular net type anode and tubular negative electrode replace nesting arrangement mutually; Bottom and the cylinder body inner bottom surface of tubular net type anode and tubular negative electrode have interval; What be positioned at inner side is tubular net type anode, be positioned at outermost adjacent with inboard wall of cylinder block be also tubular net type anode; The lower surface of described tubular net type anode and the upper end of tubular negative electrode and the upper end cover of cylinder body is fixedly connected; Tubular net type anode is connected with insulating between upper end cover; The upper end of described each tubular net type anode all stretches out cylinder body by multiple insulation joint end through the hole of opening on upper end cover; Described tubular negative electrode comprises tubular carbon steel cathodes and covers the composite cathode on carbon steel cathodes surface; Described inboard wall of cylinder block is also coated with one deck composite cathode.
Processed water enters cylinder interior by the water-in on cylinder body top, and be full of cylinder body gradually, anode in cylinder body and negative electrode match between two, the composite cathode be wherein positioned on outermost anode and inboard wall of cylinder block matches, the insulation joint end of anode is connected with positive source, the shell of cylinder body is connected with power cathode, such anode and cathode by the effect of electric current, start to the objectionable impurities in processed water particularly heavy metal ion carry out Electrochemical adsorption process.Heavy metal ion is attracted on negative electrode, forms heavy metal substance and separates out at negative electrode.Owing to have employed composite cathode, the adsorptive power of heavy metal ion is stronger; And owing to adopting anode and the negative electrode of multipair tubular, expand the contact area of negative electrode and processed water, serve the function strengthening absorption equally, the setting of composite cathode and multi-level electrode, make adsorption more remarkable, scavenging effect is better.After absorption terminates, heavy metal substance and the carbonate of cathode surface scrape by blade, and heavy metal substance and carbonate are to falling to cylinder base, and the sewage draining exit of back flushing through bottom is discharged.Processed water discharges recycle through water outlet.Bottom and the cylinder body inner bottom surface of tubular anode and tubular negative electrode have interval, need water to be processed can be full of whole cylinder body through tubular anode and the interval between tubular negative electrode and cylinder body inner bottom surface like this.Described net type anode surface is latticed, is conducive to the absorption of foreign material in the flowing of sewage and water.
Further, the axis of tubular net type anode and tubular negative electrode all with the axes coincide of cylinder body; Also comprise negative electrode decontamination apparatus; Described negative electrode decontamination apparatus comprises the power system of the scraper couple axle being vertically arranged on cylinder interior and the driving scraper couple axle being located at cylinder body outside; Described power system comprises motor and by motor-driven speed reduction unit, the transmission shaft of described speed reduction unit stretches into cylinder interior by the hole being positioned at cylinder body upper end cover center and is connected with the upper end of scraper couple axle; Be provided with by the horizontal stand be arranged on inboard wall of cylinder block the bearing lower than tubular anode and tubular negative electrode lower surface that is positioned at center, middle part under cylinder body in described cylinder body, the lower end of scraper couple axle is located in bearing; Several are provided with around the evenly distributed and isometric back up pad of scraper couple axle by the outside horizontal radiation of scraper couple axle near scraper couple axle lower end; Each tubular negative electrode is all furnished with the first scraper that vertical setting is on the supporting plate established in multiple bottom, and described each first scraper comprises with blade relatively and lay respectively at the first elongated blade and second blade of the vertical setting of both sides inside and outside tubular negative electrode; The bottom of the first blade and the second blade is all established on the supporting plate; Multiple first scrapers of a corresponding tubular negative electrode form one group; Between described the first blade often organizing the first scraper, level is provided with multiple first clamping ring from bottom to top, and between the second blade, level is provided with multiple second clamping ring from bottom to top; For often organizing the first scraper, the first clamping ring and the second clamping ring are arranged in pairs; One end of each back up pad is connected with scraper couple axle, the other end of each back up pad is all vertically provided with second scraper, and described second scraper edge outwards and match with the composite cathode of inboard wall of cylinder block; Between described second scraper, from bottom to top level is provided with several the 3rd clamping rings.
After negative electrode absorption terminates, open driven by motor scraper couple axle rotate and drive back up pad and establish the first scraper on the supporting plate and the second scraper to rotate, absorption on tubular cathode surface and inboard wall of cylinder block composite cathode, foulant are wiped off, the absorption be scraped, foulant fall into the bottom of cylinder body, open that sewage draining exit will be adsorbed by back flushing, foulant and other foreign material discharge cylinder body.Described first scraper and tubular negative electrode match, refer to that two blades of the first scraper lay respectively at the inside and outside both sides of tubular negative electrode, and can ensure with the spacing of tubular negative electrode heavy metal that cathode surface adsorbs by scraper normal rotation, scale forming matter wipes off, infringement can not be produced by anticathode again simultaneously, described second scraper matches with the inner side-wall of cylinder body, also refer to that the absorption on the composite cathode surface on inboard wall of cylinder block, foulant can be wiped off by the second scraper, can not composite cathode be damaged simultaneously.Have employed scrubbing after cathode surface removes the doctor blade device of absorption, scale forming matter and achieve automatization, the faster and better effects if of scrubbing.First clamping ring and the second clamping ring are for reinforcing first, second blade of the first scraper, and the 3rd clamping ring is for reinforcing the second scraper.
Combined electrode of the present invention achieves the removal to heavy metal ion various in water by the proportion relation between detection device for multi metallic elements and several element, and removal effect is remarkable; Water treating equipment of the present invention adopt multilevel hierarchy to carry out water treatment, and greatly, soil removability is strong for water and electrode contact area; The design of negative electrode decontamination apparatus achieves the automatization cleaning of negative electrode absorption, foulant, greatly improves working efficiency.
Accompanying drawing explanation
The first structural representation when electrochemistry multi-stage water treatment plant is specifically implemented described in Fig. 1.
The second structural representation when electrochemistry multi-stage water treatment plant is specifically implemented described in Fig. 2.
The third structural representation when electrochemistry multi-stage water treatment plant is specifically implemented described in Fig. 3.
The enlarged view of D in Fig. 4 Fig. 1,2,3.
The enlarged view of F in Fig. 5 Fig. 1,2,3.
In Fig. 6 Fig. 1, the negative electrode decontamination apparatus of electrochemistry multi-stage water treatment plant is positioned at the plan structure schematic diagram that cylinder interior is divided.
The A-A sectional view of Fig. 7 Fig. 6.
In Fig. 8 Fig. 2, the negative electrode decontamination apparatus of electrochemistry multi-stage water treatment plant is positioned at the plan structure schematic diagram that cylinder interior is divided.
The B-B sectional view of Fig. 9 Fig. 8.
In Figure 10 Fig. 3, the negative electrode decontamination apparatus of electrochemistry multi-stage water treatment plant is positioned at the plan structure schematic diagram that cylinder interior is divided.
The C-C sectional view of Figure 11 Figure 10.
The external structure schematic diagram of Figure 12 Fig. 1.
The external structure schematic diagram of Figure 13 Fig. 2.
The external structure schematic diagram of Figure 14 Fig. 3.
In Figure 15 Fig. 3, the negative electrode decontamination apparatus of electrochemistry multi-stage water treatment plant is positioned at the perspective view that cylinder interior is divided.
1-cylinder body, 2-upper end cover, 3-water-in, 4-sewage draining exit, 5-sewage draining valve, 6-water outlet, 7-tubular net type anode, 8-tubular negative electrode, 9-insulation joint end, 10-carbon steel cathodes, 11-composite cathode, 12-scraper couple axle, 13-motor, 14-speed reduction unit, 15-horizontal stand, 16-bearing, 17-back up pad, 18-first blade, 19-second blade, 20-first clamping ring, 21-second clamping ring, 22-second scraper, 23-the 3rd clamping ring, 24-draw-in groove, 25-water inlet valve, 26-transmission shaft, clamping ring bottom 27-, 28-flow-guiding mouth.
Embodiment
A kind of composite cathode, after titanium, copper, silver three kinds of melting of metal, then add iron, zinc, aluminium, cadmium, lead, chromium, nickel, manganese any one two or three or four kind or five kinds or six kinds or seven kinds and eight kinds of fusings evenly, shaping, obtain combined electrode, calculate with massfraction, titanium 60-100 part (can select 100, 70, 80, 60 parts), copper 50-70 part (can select 50, 60, 70 parts), silver 20-30 part (can select 30, 20, 25 parts), iron 80-120 part (can select 80, 90, 100, 110, 120 parts), zinc 55-90 part (can select 90, 83, 76, 69, 62, 55 parts), aluminium 70-80 part (can select 70, 75, 80 parts), cadmium 100-120 part (can select 120, 100, 110), plumbous 100-150 part (can select 100, 110, 120, 130, 140, 150 parts), chromium 40-50 part (can select 40, 45, 50 parts), nickel 45-65 part (can select 65, 45, 50, 55, 60 parts), manganese 35-45 part (can select 35, 40, 45 parts).
During concrete enforcement, when adopting any one heavy metal, can select iron or lead, composition is described above;
When adopting any two heavy metal species, can select zinc and aluminium or cadmium and chromium, composition is described above;
When adopting any three heavy metal species, can select iron, zinc, cadmium or aluminium, chromium, nickel, composition is described above;
When adopting any four heavy metal species, can select zinc, lead, cadmium, manganese or iron, nickel, cadmium, chromium, composition is described above;
When adopting any five heavy metal species, can select iron, zinc, aluminium, cadmium, lead or zinc, aluminium, chromium, nickel, manganese, composition is described above;
When adopting any six heavy metal species, can select iron, manganese, zinc, cadmium, lead, chromium or iron, manganese, zinc, cadmium, nickel, aluminium, composition is described above;
When adopting any seven heavy metal species, can select iron, manganese, zinc, cadmium, lead, nickel, chromium or iron, manganese, zinc, cadmium, nickel, cadmium, lead, composition is described above;
By iron, zinc, aluminium, cadmium, lead, chromium, nickel, manganese eight heavy metal species and titanium, copper, silver-colored melt-forming, composition is described above;
Can finely tune various metallic element according to the content of heavy metal species each in processed water in practical application, reach best to make adsorption effect.
A kind of electrochemistry multi-stage water treatment plant, comprises in tubular and upper port is provided with the cylinder body 1 of upper end cover 2; The upper end cover 2 of cylinder body 1 has water-in 3; The bottom of cylinder body 1 is provided with sewage draining exit 4, and sewage draining exit 4 is connected with blow-off line, and blow-off line is provided with sewage draining valve 5; The upper end cover 2 of cylinder body 1 has water outlet 6; Described cylinder body 1 inside is provided with the tubular net type anode 7 that multiple diameter does not wait; Cylinder body 1 inside is also provided with a tubular negative electrode 8 or multiple diameter tubular negative electrode 8 not etc.; The equal opening of upper and lower ends of described tubular net type anode 7 and tubular negative electrode 8, described tubular net type anode 7 replaces nesting arrangement mutually with tubular negative electrode 8; Bottom and cylinder body 1 inner bottom surface of tubular net type anode 7 and tubular negative electrode 8 have interval; What be positioned at inner side is tubular net type anode 7, be positioned at outermost adjacent with cylinder body 1 inwall be also tubular net type anode 7; Described tubular net type anode 7 is fixedly connected with the lower surface of the upper end of tubular negative electrode 8 and the upper end cover 2 of cylinder body 1; Tubular net type anode 7 is connected with insulating between upper end cover 2; The upper end of described each tubular net type anode 7 all stretches out cylinder body 1 by multiple insulation joint end 9 through the hole of opening on upper end cover 2; Described tubular negative electrode comprises tubular carbon steel cathodes 10 and covers the composite cathode 11 on carbon steel cathodes 10 surface; Described cylinder body 1 inner side-wall is also coated with one deck composite cathode 11.
The axis of tubular net type anode 7 and tubular negative electrode 8 all with the axes coincide of cylinder body 1; Also comprise negative electrode decontamination apparatus; Described negative electrode decontamination apparatus comprises the scraper couple axle 12 being vertically arranged on cylinder body 1 inside and the power system being located at cylinder body 1 outside; The speed reduction unit 14 that described power system comprises motor 13 and driven by motor 13, the transmission shaft 26 of described speed reduction unit 14 stretches into cylinder body 1 inside by the hole being positioned at cylinder body 1 upper end cover 2 center and is connected with the upper end of scraper couple axle 12; Be provided with by the horizontal stand 15 be arranged on cylinder body 1 inwall the bearing 16 lower than tubular net type anode 7 and tubular negative electrode 8 lower surface that is positioned at center, cylinder body 1 time middle part in described cylinder body 1, the lower end of scraper couple axle 12 is located in bearing 16; Near scraper couple axle 12 lower end by scraper couple axle 12 outwards horizontal radiation be provided with several around the evenly distributed and isometric back up pad 17 of scraper couple axle 12; Each tubular negative electrode 8 is all furnished with the first scraper that multiple bottom is located at the vertical setting in back up pad 17, and described each first scraper comprises with blade relatively and lay respectively at first elongated blade 18 and second blade 19 of the vertical setting of both sides inside and outside tubular negative electrode 8; The bottom of the first blade 18 and the second blade 19 is all located in back up pad 17; Multiple first scrapers of a corresponding tubular negative electrode 8 form one group; Between described the first blade 18 often organizing the first scraper, level to be provided with between multiple first clamping ring 20, second blade 19 level from bottom to top and to be provided with multiple second clamping ring 21 from bottom to top; For often organizing the first scraper, the first clamping ring 20 and the second clamping ring 21 are arranged in pairs; One end of each back up pad 17 is connected with scraper couple axle 12, the other end of each back up pad 17 is all vertically provided with second scraper 22, and described second scraper 22 egewise also matches with the composite cathode 11 of cylinder body 1 inwall; Between described second scraper 22, from bottom to top level is provided with several the 3rd clamping rings 23.
The middle and lower part of cylinder body 1 is the funnel-form of retracted downward, and described sewage draining exit 4 is located at funnel-form cylinder body bottom; Described horizontal stand 15 is located at the position that cylinder body middle and lower part bore starts to shrink.
Bottom clamping ring 27 is also provided with between described back up pad 17; Described bottom clamping ring 27 comprise be connected to back up pad 17 the other end between outside clamping ring and the middle part clamping ring that is connected between the non-end of back up pad; Middle part clamping ring comprises the multiple arc-shaped web plates being connected to position corresponding with each first scraper between adjacent shore plates 17, and the multiple arc-shaped web plates corresponding to same group of the first scraper form a middle part clamping ring.
The upper end of scraper couple axle 12 is provided with draw-in groove 24, and scraper couple axle 12 is connected with the transmission shaft 26 of speed reduction unit 14 by draw-in groove 24.
Described tubular net type anode 7 is two, and tubular negative electrode 8 is one; Described first scraper has one group; Mutually evenly be periphery between the first scraper; Mutually evenly be periphery between the second scraper 22.Described water-in 3 is positioned at cylinder body 1 side wall upper part.Fig. 1 is the electrochemistry multi-stage water treatment plant of an employing tubular negative electrode, and Fig. 6 is the structural representation that the scraper decontamination apparatus matched with this electrochemistry multi-stage water treatment plant is positioned at cylinder interior part.
Described tubular net type anode 7 is three, and tubular negative electrode 8 is two, and the first scraper has two groups, often organizes between the first scraper and is mutually evenly periphery; Mutually evenly be periphery between the second scraper 22.The top being positioned at the tubular negative electrode of inner side has flow-guiding mouth 28.Fig. 2 is the structural representation of the electrochemistry multi-stage water treatment plant of employing two tubular negative electrodes 8, and Fig. 8 is the structural representation that the negative electrode decontamination apparatus matched with this electrochemistry multi-stage water treatment plant is positioned at cylinder interior part.Flow-guiding mouth 28 can accelerate the flowing of current, makes water can produce certain circulating up and down in cylinder body, increases the contact of water and tubular anode and negative electrode, strengthens scrubbing dynamics.
Described tubular net type anode 7 is four, and tubular negative electrode 8 is three; Described first scraper has three groups, often organizes between the first scraper and is mutually evenly periphery; Mutually evenly be periphery between the second scraper 22.Fig. 3 is the structural representation of the electrochemistry multi-stage water treatment plant of employing three tubular negative electrodes, Figure 10 is the structural representation that the negative electrode decontamination apparatus matched with this electrochemistry multi-stage water treatment plant is positioned at cylinder interior part, and Figure 15 is the perspective view that negative electrode decontamination apparatus is positioned at cylinder interior part.
Water-in 3 is all connected with pipeline usually, and pipeline is provided with water inlet valve 25, for controlling flooding quantity; Water outlet 6 is generally connected with Treated sewage reusing pipeline or discharge outlet, and inferior part of the cylinder block does funnel and is conducive to being concentrated by various dirt and discharging through sewage draining exit.Clamping ring 27 pairs of back up pads 17 in bottom play the effect of reinforcing, and what make back up pad 17 drive scraper to rotate is more steady.Arrow in accompanying drawing represents water (flow) direction.
Claims (8)
1. an electrochemistry multi-stage water treatment plant, comprises in tubular and upper port is provided with the cylinder body (1) of upper end cover (2); The upper end cover (2) of cylinder body (1) has water-in (3); The bottom of cylinder body (1) is provided with sewage draining exit (4), and sewage draining exit (4) is connected with blow-off line, and blow-off line is provided with sewage draining valve (5); The upper end cover (2) of cylinder body (1) has water outlet (6); It is characterized in that: described cylinder body (1) inside is provided with the tubular net type anode (7) that multiple diameter does not wait; Cylinder body (1) inside is also provided with a tubular negative electrode (8) or multiple diameter tubular negative electrode (8) not etc.; The equal opening of upper and lower ends of described tubular net type anode (7) and tubular negative electrode (8), described tubular net type anode (7) and tubular negative electrode (8) replace nesting arrangement mutually; Bottom and cylinder body (1) inner bottom surface of tubular net type anode (7) and tubular negative electrode (8) have interval; What be positioned at inner side is tubular net type anode (7), be positioned at outermost adjacent with cylinder body (1) inwall be also tubular net type anode (7); Described tubular net type anode (7) is fixedly connected with the lower surface of the upper end of tubular negative electrode (8) and the upper end cover (2) of cylinder body (1); Insulate between tubular net type anode (7) with upper end cover (2) and be connected; The upper end of described each tubular net type anode (7) all stretches out cylinder body (1) by multiple insulation joint end (9) through the hole of opening on upper end cover (2); Described tubular negative electrode (8) comprises tubular carbon steel cathodes (10) and covers the composite cathode (11) on carbon steel cathodes (10) surface; Described cylinder body (1) inner side-wall is also coated with one deck composite cathode (11); The axis of tubular net type anode (7) and tubular negative electrode (8) all with the axes coincide of cylinder body (1); Also comprise negative electrode decontamination apparatus; Described negative electrode decontamination apparatus comprises the power system being vertically arranged on the inner scraper couple axle (12) of cylinder body (1) and being located at the outside driving scraper couple axle (12) of cylinder body (1); The speed reduction unit (14) that described power system comprises motor (13) and driven by motor (13), the transmission shaft (26) of described speed reduction unit (14) stretches into cylinder body (1) inside by the hole being positioned at cylinder body (1) upper end cover (2) center and is connected with the upper end of scraper couple axle (12); Be provided with by the horizontal stand (15) be arranged on cylinder body (1) inwall the bearing (16) lower than tubular net type anode (7) and tubular negative electrode (8) lower surface that is positioned at center, middle part under cylinder body (1) in described cylinder body (1), the lower end of scraper couple axle (12) is located in bearing (16); Near scraper couple axle (12) lower end by scraper couple axle (12) outwards horizontal radiation be provided with several around the evenly distributed and isometric back up pad (17) of scraper couple axle (12); Each tubular negative electrode (8) is all furnished with the first scraper that multiple bottom is located at the vertical setting in back up pad (17), and described each first scraper comprises relative with blade and lays respectively at elongated first blade (18) of the vertical setting of both sides inside and outside tubular negative electrode (8) and the second blade (19); The bottom of the first blade (18) and the second blade (19) is all located in back up pad (17); Multiple first scrapers of a corresponding tubular negative electrode (8) form one group; Between described the first blade (18) often organizing the first scraper, level is provided with multiple first clamping ring (20) from bottom to top, and between the second blade (19), level is provided with multiple second clamping ring (21) from bottom to top; For often organizing the first scraper, the first clamping ring (20) and the second clamping ring (21) are arranged in pairs; One end of each back up pad (17) is connected with scraper couple axle (12), the other end of each back up pad (17) is all vertically provided with second scraper (22), described second scraper (22) egewise also matches with the composite cathode (11) of cylinder body (1) inner side-wall; Between described second scraper (22), from bottom to top level is provided with several the 3rd clamping rings (23); Described composite cathode (11) is adopted and is made with the following method: after titanium, copper, silver three kinds of melting of metal, add again in iron, zinc, aluminium, cadmium, lead, chromium, nickel, manganese any one two or three or four kind or five kinds or six kinds or seven kinds and eight kinds of fusings evenly, shaping, obtain composite cathode; Calculate with massfraction, titanium 60-100 part, copper 50-70 part, silver-colored 20-30 part, iron 80-120 part, zinc 55-90 part, aluminium 70-80 part, cadmium 100-120 part, plumbous 100-150 part, chromium 40-50 part, nickel 45-65 part, manganese 35-45 part.
2. electrochemistry multi-stage water treatment plant as claimed in claim 1, it is characterized in that, the middle and lower part of cylinder body (1) is the funnel-form of retracted downward, and described sewage draining exit (4) is located at funnel-form cylinder body bottom; Described horizontal stand (15) is located at the position that cylinder body (1) middle and lower part bore starts to shrink.
3. electrochemistry multi-stage water treatment plant as claimed in claim 1 or 2, it is characterized in that, described tubular net type anode (7) is two, and tubular negative electrode (8) is one; Described first scraper has one group, and the first scraper is evenly periphery each other; Second scraper (22) is evenly periphery each other.
4. electrochemistry multi-stage water treatment plant as claimed in claim 1 or 2, it is characterized in that, described tubular net type anode (7) is three, and tubular negative electrode (8) is two; The top being positioned at the tubular negative electrode (8) of inner side has flow-guiding mouth (28); Described first scraper has two groups, often organizes the first scraper and is evenly periphery each other; Second scraper (22) is evenly periphery each other.
5. electrochemistry multi-stage water treatment plant as claimed in claim 1 or 2, it is characterized in that, described tubular net type anode (7) is four, and tubular negative electrode (8) is three; Described first scraper has three groups, often organizes the first scraper and is evenly periphery each other; Second scraper (22) is evenly periphery each other.
6. electrochemistry multi-stage water treatment plant as claimed in claim 1 or 2, is characterized in that, is also provided with bottom clamping ring (27) between described back up pad (17); Described bottom clamping ring (27) comprise be connected to back up pad (17) the other end between outside clamping ring and the middle part clamping ring that is connected between back up pad (17); Middle part clamping ring comprises the multiple arc-shaped web plates being connected to position corresponding with each first scraper between adjacent shore plates (17), and the multiple arc-shaped web plates corresponding to same group of the first scraper form a middle part clamping ring.
7. electrochemistry multi-stage water treatment plant as claimed in claim 1 or 2, it is characterized in that, the upper end of scraper couple axle (12) is provided with draw-in groove (24), and scraper couple axle (12) is connected with the transmission shaft (26) of speed reduction unit (14) by draw-in groove (24).
8. electrochemistry multi-stage water treatment plant as claimed in claim 3, it is characterized in that, the upper end of scraper couple axle (12) is provided with draw-in groove (24), and scraper couple axle (12) is connected with the transmission shaft (26) of speed reduction unit (14) by draw-in groove (24).
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| CN105016434B (en) * | 2015-08-13 | 2017-05-10 | 杨作红 | Rectangular and sector multi-cavity-type desalting preparation hydrochloric acid electrochemical water treatment device |
| CN106554090A (en) * | 2017-01-16 | 2017-04-05 | 沈阳瀚威科技有限公司 | A kind of circulating water electrolytic automatic descaling apparatus and method |
| CN107522267A (en) * | 2017-09-19 | 2017-12-29 | 华东师范大学 | A kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment |
| CN111847595B (en) * | 2019-04-30 | 2022-10-21 | 中关村至臻环保股份有限公司 | Nano electrochemical reaction device |
| CN112110577A (en) * | 2019-06-20 | 2020-12-22 | 新疆知信科技有限公司 | System and method for chlorine and scale removal by combining electrochemistry and ozone |
| CN111252969A (en) * | 2020-03-26 | 2020-06-09 | 闫巍 | Efficient electrochemical water treatment system and method |
| CN111675392A (en) * | 2020-06-28 | 2020-09-18 | 辽宁鑫知界科技有限公司 | Domestic wastewater pretreatment device |
| CN115231662A (en) * | 2022-08-01 | 2022-10-25 | 济南大学 | Method and equipment for treating high-concentration cadmium-containing waste liquid through electrochemical reduction |
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| CN1058619A (en) * | 1990-06-28 | 1992-02-12 | 住友金属矿山株式会社 | Silver-or silver-copper alloy-metal oxide composite and production method thereof |
| CN1579951A (en) * | 2003-08-15 | 2005-02-16 | 株式会社松本制作所 | Bactericide generating device and small-sized simple water purifying device with bactericide generating device |
| CN201864611U (en) * | 2010-11-18 | 2011-06-15 | 昆明理工大学 | Drum-type composite electrochemical device for recycling heavy metals in wastewater |
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| KR20120080951A (en) * | 2011-01-10 | 2012-07-18 | 삼성전기주식회사 | Mechanically commutated switched reluctance motor |
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| CN1058619A (en) * | 1990-06-28 | 1992-02-12 | 住友金属矿山株式会社 | Silver-or silver-copper alloy-metal oxide composite and production method thereof |
| CN1579951A (en) * | 2003-08-15 | 2005-02-16 | 株式会社松本制作所 | Bactericide generating device and small-sized simple water purifying device with bactericide generating device |
| CN201864611U (en) * | 2010-11-18 | 2011-06-15 | 昆明理工大学 | Drum-type composite electrochemical device for recycling heavy metals in wastewater |
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