CN113135641A - Electroplating effluent biochemical treatment system - Google Patents
Electroplating effluent biochemical treatment system Download PDFInfo
- Publication number
- CN113135641A CN113135641A CN202110480516.0A CN202110480516A CN113135641A CN 113135641 A CN113135641 A CN 113135641A CN 202110480516 A CN202110480516 A CN 202110480516A CN 113135641 A CN113135641 A CN 113135641A
- Authority
- CN
- China
- Prior art keywords
- tank
- hhr
- biochemical treatment
- pipeline
- pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009713 electroplating Methods 0.000 title claims abstract description 40
- 239000002351 wastewater Substances 0.000 claims abstract description 83
- 238000004062 sedimentation Methods 0.000 claims abstract description 63
- 239000010802 sludge Substances 0.000 claims abstract description 54
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000003647 oxidation Effects 0.000 claims abstract description 29
- 230000007704 transition Effects 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000002562 thickening agent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 25
- 230000008569 process Effects 0.000 abstract description 16
- 238000004065 wastewater treatment Methods 0.000 abstract description 12
- 239000010865 sewage Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 15
- 239000003814 drug Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000007227 biological adhesion Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229940001584 sodium metabisulfite Drugs 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention relates to the technical field of wastewater treatment, and discloses an electroplating wastewater biochemical treatment system which comprises a buffer tank, an oxidation treatment unit, a primary biochemical treatment unit, a secondary biochemical treatment unit, a guarantee reaction treatment unit and a discharge unit which are sequentially communicated through pipelines, wherein the primary biochemical treatment unit comprises a primary HHR tank, a primary HHR sedimentation tank, a primary SCBR tank and a primary SCBR sedimentation tank which are sequentially communicated through pipelines, the secondary biochemical treatment unit comprises a secondary HHR tank, a secondary HHR sedimentation tank, a transition water tank, a secondary SCBR tank and a secondary sedimentation tank which are sequentially communicated through pipelines, and sludge discharge ports of the primary HHR sedimentation tank, the primary SCBR sedimentation tank, the secondary HHR sedimentation tank and the secondary sedimentation tank are respectively connected to a sludge concentration tank through pipelines. The biochemical treatment system for the electroplating wastewater provided by the invention has a more complete treatment process, can meet the sewage treatment requirements of different properties, has better guaranteed performance, and ensures that the discharged water quality reaches the standard by carrying out reaction treatment through a multi-stage system.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a biochemical treatment system for electroplating wastewater.
Background
Electroplating is a process that utilizes electrochemical methods to decorate, protect, and achieve certain new properties on metallic and non-metallic surfaces. The electroplating wastewater refers to wastewater generated in the electroplating process and in washing after brightening and passivating, flushing wastewater generated in rinsing various plating parts, cleaning ground, terraces, polar plates and other fields, various bath solutions and wastewater caused by improper operation of filtering the plating solutions and treatment of waste plating solutions or leakage of a plating tank, and wastewater discharged in the testing process. The electroplating wastewater has complex water quality and difficult control of components, contains heavy metal ions such as chromium, copper, nickel, zinc, gold, silver, cadmium and the like, and substances with high toxicity such as cyanide and the like, and is extremely harmful to human beings.
The existing electroplating wastewater is generally treated by a physicochemical method, more treatment methods are adopted, but the treatment method can really reach the standard stably and rarely, more or less heavy metal ions still exist in the wastewater after the physicochemical treatment, and more precise calculation and operation are needed for further treatment; the existing biochemical treatment method for electroplating wastewater generally adopts the modes of oxidation and addition of coagulant and coagulant aid to flocculate and precipitate, so that residual organic matters in water cannot be effectively removed, and secondary pollution can still be caused in the discharge process. Therefore, the prior art can not meet the requirement of harmless treatment of the electroplating wastewater, and further research on the treatment of the electroplating wastewater is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the biochemical treatment system for the electroplating wastewater, which has more perfect treatment process, more standby treatment flows, better guarantee performance and capability of meeting the sewage treatment requirements of different properties, and ensures that the discharged water quality reaches the standard by carrying out reaction treatment through a multi-stage system.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides an electroplating effluent biochemical treatment system, includes buffer pool, oxidation treatment unit, one-level biochemical treatment unit, second grade biochemical treatment unit, guarantee reaction processing unit and the discharge unit that loops through the pipeline intercommunication, one-level biochemical treatment unit includes the one-level HHR pond, one-level HHR sedimentation tank, one-level SCBR pond and the one-level SCBR sedimentation tank that loop through the pipeline intercommunication, second grade biochemical treatment unit includes the second grade HHR pond, second grade HHR sedimentation tank, transition pond, second grade SCBR pond and second grade sedimentation tank that loop through the pipeline intercommunication, one-level HHR sedimentation tank one-level SCBR sedimentation tank, second grade HHR sedimentation tank and the mud discharge mouth of second grade sedimentation tank is connected to the mud concentrated pond through the pipeline respectively.
By adopting the technical scheme, when the electroplating park treats the wastewater, the wastewater can be treated by adopting a physicochemical treatment method according to the characteristics of heavy metal ions in different wastewater, the wastewater after the physicochemical treatment enters the biochemical treatment system provided by the invention for further treatment, and the treated wastewater can be directly discharged through the discharge unit. The wastewater after the physicochemical treatment enters a buffer tank to stay for a period of time, so that various types of wastewater are fully mixed and then are conveyed to an oxidation treatment unit through a pipeline, and after the oxidation treatment, the biodegradability of the wastewater is improved, so that the wastewater enters a subsequent primary biochemical treatment unit and a subsequent secondary biochemical treatment unit to be continuously treated. The primary biochemical treatment unit, the secondary biochemical treatment unit and the guarantee reaction treatment unit act together to establish the three-level guarantee of the electroplating wastewater biochemical treatment system, the system has complete functions, the treatment process is complete, a plurality of standby systems can meet the wastewater treatment requirements of different properties, and the guarantee performance is better.
The invention is further provided with: the mud discharging port of one-level HHR sedimentation tank passes through sludge reflux pump and pipe connection to one-level HHR pond, the mud discharging port of one-level SCBR pond passes through sludge reflux pump and pipe connection to one-level SCBR pond, the mud discharging port of second grade HHR sedimentation tank passes through sludge reflux pump and pipe connection to second grade HHR pond.
The invention is further provided with: one-level HHR pond one-level SCBR second grade HHR pond and second grade SCBR pond all is provided with a plurality of.
Through adopting above-mentioned technical scheme, according to the waste water volume of actual processing, can set up a plurality of HHR ponds and SCBR pond, fully guarantee waste water treatment's effect, waste water and the mud that the sediment produced after HHR pond and HHR sedimentation tank are handled can be carried to HHR pond and carry out circulation treatment, improve waste water treatment quality.
The invention is further provided with: the oxidation treatment unit comprises an advanced oxidation reaction tank group, an advanced oxidation sedimentation tank and a first pH (potential of Hydrogen) callback tank which are sequentially communicated through a pipeline, a water inlet of the advanced oxidation reaction tank group is connected with the buffer tank through a pipeline, the first pH callback tank is communicated with the primary biochemical treatment unit, and a sludge discharge port of the advanced oxidation sedimentation tank is connected to the sludge concentration tank through a pipeline.
By adopting the technical scheme, the concentration of pollutants in the electroplating wastewater is high, the pollutants are various, the pollutants are difficult to biodegrade and have toxic action on biochemical reaction, the advanced oxidation technology is a process capable of generating a large amount of (OH) free radicals, and the high-activity free radicals are utilized to attack macromolecular organic matters and react with the macromolecular organic matters to break bonds of the macromolecules, so that efficient oxidation treatment is realized, the biodegradability of the wastewater is improved, and the subsequent biochemical treatment is facilitated.
The invention is further provided with: be provided with agitating unit among the senior oxidation reaction group, agitating unit includes (mixing) shaft and drive arrangement, each reaction tank of senior oxidation reaction group is provided with the apron, be provided with the through-hole on the apron, the (mixing) shaft passes the through-hole, the (mixing) shaft is the cavity setting, the (mixing) shaft lower extreme is provided with a plurality of stirring vane, the (mixing) shaft bottom is provided with the liquid outlet, the apron top is provided with the protection casing, drive arrangement is located in the protection casing, be used for the drive the (mixing) shaft goes up and down and rotates.
Through adopting above-mentioned technical scheme, in senior oxidation reaction pond group, can throw the medicament that adds usually and handle waste water, if stir inhomogeneous, can cause the medicament extravagant and influence the chemical reaction effect, set up agitating unit in reaction pond group, when throwing the liquid medicine through the (mixing) shaft, can rotate the (mixing) shaft and carry out intensive mixing to waste water and medicament in the pond body, the (mixing) shaft can also the oscilaltion in the pivoted, make the solution homogeneous mixing about the whole pond body, stirring effect has further been improved.
The invention is further provided with: the driving device comprises a driving motor and a rotating rod, the top end of the rotating rod is connected with the driving motor, a first driving gear is sleeved on the rotating rod, a first driven gear is arranged at the upper end of the stirring shaft, the first driving gear is meshed with the first driven gear, and the first driven gear is connected with the stirring shaft in a rotating mode.
Through adopting above-mentioned technical scheme, driving motor starts the back, and the drive dwang is rotatory, drives the driving gear synchronous rotation on the dwang to drive a driven gear through the driving gear and rotate, a driven gear inner wall is provided with intermeshing's rack with the (mixing) shaft outer wall, makes a driven gear can drive the (mixing) shaft synchronous rotation, realizes the rotation effect of (mixing) shaft, carries out the intensive mixing to the liquid in the pond.
The invention is further provided with: the driving device further comprises a second driving gear and a second driven gear, the second driving gear and the second driven gear are connected with the protective cover in a rotating mode through rotating shafts, the second driving gear and one end of a rotating shaft of the second driven gear are fixed with rocker arms, two rocker arms are connected through connecting rods, a helical rack is arranged on the outer wall of the lower end of the rotating rod, the second driving gear is meshed with the helical rack, a straight rack is arranged on the outer wall of the stirring shaft along the axial direction, and the second driven gear is meshed with the straight rack.
Through adopting above-mentioned technical scheme, because the helical rack meshing on driving gear two and the dwang, the dwang is in the pivoted, drive driving gear two and rotate in step, pivot and rocking arm on the driving gear two also rotate in step, thereby drive driven gear two through the connecting rod and rotate, because the straight rack meshing that sets up on driven gear two and the (mixing) shaft outer wall, thereby drive (mixing) shaft oscilaltion, make the (mixing) shaft rotate the in-process, stir the interior upper and lower liquid of cell body, make liquid misce bene.
The invention is further provided with: the guarantee reaction unit includes first guarantee reaction tank group, first guarantee sedimentation tank, second guarantee reaction tank group, second guarantee sedimentation tank and the second pH of looping through the pipeline intercommunication back the pond, the mud discharging port of first guarantee sedimentation tank passes through the pipe connection to the sludge concentration tank.
The invention is further provided with: still include emergent pond and reserve equalizing basin, the emission unit is including discharging pond and discharge port, the water inlet that discharges the pond passes through pipe connection to second pH callback pond, the delivery port that discharges the pond is respectively through pipe connection to the discharge port emergent pond and reserve equalizing basin, the delivery port in emergent pond passes through pipe connection to the buffering pond, the delivery port of reserve equalizing basin is connected to reaction system at different levels respectively through the pipeline.
Through adopting above-mentioned technical scheme, set up out water on-line monitoring system at the discharge port, carry out real-time supervision to discharging quality of water, ensure that discharging quality of water is up to standard, after quality of water in the discharging pool is up to standard, directly discharge through the discharge port, if quality of water is not up to standard, then can through pipe-line transportation to emergent pond or reserve equalizing basin, carry again to the buffering pond and handle once more, the setting of emergent pond and reserve equalizing basin has further guaranteed that discharging quality of water is up to standard.
The invention is further provided with: the sludge concentration tank is connected to a sludge tank through a pipeline, and the sludge tank is connected to a plate-and-frame filter press through a pipeline.
By adopting the technical scheme, the sludge generated in the oxidation treatment, biochemical treatment and guarantee reaction treatment processes is conveyed to the sludge concentration tank through the sludge reflux pump and the pipeline for treatment, the sludge is treated by adopting the methods of gravity concentration, mechanical filter pressing and low-temperature drying, and the dried sludge can be transported outside for recycling or legal treatment.
The invention has the beneficial effects that:
1. when the electroplating park treats the wastewater, the wastewater can be treated by a physicochemical treatment method according to the characteristics of heavy metal ions in different wastewater, the wastewater after the physicochemical treatment enters the biochemical treatment system provided by the invention for further treatment, and the treated wastewater can be directly discharged through the discharge unit. The wastewater after the physicochemical treatment enters a buffer tank to stay for a period of time, so that various types of wastewater are fully mixed and then are conveyed to an oxidation treatment unit through a pipeline, and after the oxidation treatment, the biodegradability of the wastewater is improved, so that the wastewater enters a subsequent primary biochemical treatment unit and a subsequent secondary biochemical treatment unit to be continuously treated. The primary biochemical treatment unit, the secondary biochemical treatment unit and the guarantee reaction treatment unit act together to establish the three-level guarantee of the electroplating wastewater biochemical treatment system, the system has complete functions, the treatment process is complete, a plurality of standby systems can meet the wastewater treatment requirements of different properties, and the guarantee performance is better.
2. According to the waste water volume of actual processing, can set up a plurality of HHR ponds and SCBR pond, fully guarantee waste water treatment's effect, waste water and the mud that the sediment produced after HHR pond and HHR sedimentation tank are handled can be carried to HHR pond and carry out the circulation and handle, improve waste water treatment quality.
3. In senior oxidation reaction group, can throw the medicament and handle waste water usually, if stir inhomogeneous, can cause the medicament extravagant and influence the chemical reaction effect, set up agitating unit in reaction group, when throwing the liquid medicine through the (mixing) shaft, can rotate the (mixing) shaft and carry out intensive mixing to waste water and medicament in the pond body, the (mixing) shaft can also the oscilaltion in the pivoted for the solution in whole pond is homogeneous mixing from top to bottom, has further improved stirring effect.
4. Set up out water on-line monitoring system at the discharge port, carry out real-time supervision to discharging quality of water, ensure that discharging quality of water is up to standard, after quality of water in the discharging pool is up to standard, directly discharge through the discharge port, if quality of water is not up to standard, then can carry to emergent pond or reserve equalizing basin through the pipeline, carry again to the buffering pond and handle once more, the setting of emergent pond and reserve equalizing basin has further guaranteed that discharging quality of water is up to standard.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a block diagram showing the overall construction of a biochemical treatment system for electroplating wastewater according to the present invention;
FIG. 2 is a schematic diagram of an oxidation treatment unit of the biochemical treatment system for electroplating wastewater according to the present invention;
FIG. 3 is a schematic structural diagram of a primary biochemical treatment unit of the biochemical treatment system for electroplating wastewater according to the present invention;
FIG. 4 is a schematic structural diagram of a secondary biochemical treatment unit of the biochemical treatment system for electroplating wastewater according to the present invention;
FIG. 5 is a schematic structural view of a guarantee reaction treatment unit and a discharge unit of the biochemical treatment system for electroplating wastewater according to the present invention;
FIG. 6 is a schematic structural diagram of a sludge treatment unit of the biochemical treatment system for electroplating wastewater according to the present invention;
FIG. 7 is a schematic structural diagram of an advanced oxidation reaction tank group stirring device of an electroplating wastewater biochemical treatment system.
In the figure, 1, buffer pool; 2. an oxidation treatment unit 21, an advanced oxidation reaction tank group 22, an advanced oxidation sedimentation tank 23 and a first pH adjusting tank; 3. a primary biochemical treatment unit 31, a primary HHR pool 32, a primary HHR sedimentation pool 33, a primary SCBR pool 34 and a primary SCBR sedimentation pool; 4. a secondary biochemical treatment unit 41, a secondary HHR pool 42, a secondary HHR sedimentation pool 43, a transition water pool 44, a secondary SCBR pool 45 and a secondary sedimentation pool; 5. the system comprises a guarantee reaction unit 51, a first guarantee reaction tank group 52, a first guarantee sedimentation tank 53, a second guarantee reaction tank group 54, a second guarantee sedimentation tank 55 and a second pH regulation tank; 6. a discharge unit 61, a discharge pool 62, a discharge port; 7. a sludge concentration tank 71, a sludge tank 72 and a plate-and-frame filter press; 8. the stirring device comprises a stirring device 81, a stirring shaft 82, a rotating rod 83, a first driving gear 84, a first driven gear 85, a second driving gear 86, a second driven gear 87, a rocker arm 88 and a connecting rod; 9. an emergency pool; 10. and (5) a standby adjusting tank.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Referring to fig. 1, an electroplating effluent biochemical treatment system, including buffer 1 that loops through the pipeline intercommunication, oxidation treatment unit 2, one-level biochemical treatment unit 3, second grade biochemical treatment unit 4, guarantee reaction processing unit and discharge unit 6, one-level biochemical treatment unit 3 is including the one-level HHR pond 31 that loops through the pipeline intercommunication, one-level HHR sedimentation tank 32, one-level SCBR pond 33 and one-level SCBR sedimentation tank 34, second grade biochemical treatment unit 4 is including the second grade HHR pond 41 that loops through the pipeline intercommunication, second grade HHR sedimentation tank 42, transition pond 43, second grade SCBR pond 44 and second grade sedimentation tank 45, one-level HHR sedimentation tank 32, one-level SCBR sedimentation tank 34, the mud discharging mouth of second grade HHR sedimentation tank 42 and second grade sedimentation tank 45 is connected to sludge concentration tank 7 through the pipeline respectively. When the electroplating park treats the wastewater, the wastewater can be treated by a physicochemical treatment method according to the characteristics of heavy metal ions in different wastewater, the wastewater after the physicochemical treatment enters the biochemical treatment system provided by the invention for further treatment, and the treated wastewater can be directly discharged through the discharge unit 6. The wastewater after the physicochemical treatment enters the buffer tank 1 for a period of time, so that various types of wastewater are fully mixed and then are conveyed to the oxidation treatment unit 2 through a pipeline, and after the oxidation treatment, the biodegradability of the wastewater is improved, so that the wastewater enters the subsequent primary biochemical treatment unit 3 and the subsequent secondary biochemical treatment unit 4 for continuous treatment, after the wastewater is treated by the primary biochemical treatment unit 3, if the water quality does not reach the standard, the wastewater can continue to enter the secondary biochemical treatment unit 4 for treatment, and if the water quality does not reach the standard after the two-stage biochemical treatment, the water quality still does not reach the standard, the wastewater can be treated again by the guarantee reaction treatment unit, and the discharged water quality is effectively guaranteed to reach the standard. The primary biochemical treatment unit 3, the secondary biochemical treatment unit 4 and the guarantee reaction treatment unit act together to establish a three-level guarantee of the electroplating wastewater biochemical treatment system, the system has complete functions, the treatment process is complete, a plurality of standby systems can meet the wastewater treatment requirements of different properties, and the guarantee performance is better.
HHR pond in one-level biochemical treatment unit 3 and the biochemical treatment unit 4 of second grade is solvent recovery active carbon adsorption tank, through throwing the carbon source in to the cell body, adsorb the toxic gas that produces among the waste water treatment process, make it can be sufficient and steam contact and dissolve in wherein, avoid toxic gas to external environment's influence, solvent recovery active carbon has higher mechanical strength, the pore structure is flourishing, specific surface is big, adsorption rate is fast, the adsorption capacity is high, easily regeneration, durable. The SCBR tank is a multistage variable area and takes the high density biological suspended filler's A/O denitrogenation combination technology, and the metabolism through anaerobism in the cell body and aerobic bacteria consumes the pollutant in the waste water, realizes the biochemical treatment of waste water, and high density biological suspended filler's specific surface area is big, and biological adhesion is good, can greatly increase the biomass in the unit volume cell body, improves treatment effeciency, promotes the treatment effect.
In the SCBR tank, the surface area of each cubic filler exceeds 500 square, microorganisms on a biomembrane in the tank body are not impacted by strong aeration stirring, the biomembrane creates good conditions for the proliferation and propagation of the microorganisms, so that the microorganisms are diversified, food chains of bacteria, protozoa and metazoa can be formed on the fillers, the food chain of the organisms is long, the microorganisms can survive for a long generation time, the processing capacity is high, and the purification effect is obvious; the biological sludge dropped from the biomembrane contains a plurality of organic matters, has large density, large sludge particles, good settling property, easy solid-liquid separation, small output of residual sludge, reduced sludge treatment cost, strong adaptability to water quality and water quantity change and easy operation and management; the volume of the reaction tank can be fully utilized, the head loss is small, the blockage is not easy, the repeated flushing and the backflow are not needed, the carrier is uniformly distributed, the operation is reliable, the operation is simple, the mass transfer area among the biological membrane, the sewage and the bubbles is increased in the vulcanization process, the mass transfer rate is increased, the interphase mass transfer process is strengthened, and the utilization rate of oxygen is also improved; the biological ecological system has good itch and anaerobic metabolic activity, low sensitivity to toxicity and other environmental factors which are not beneficial to organisms, strong adaptability and strong denitrification capability.
Referring to fig. 3 and 4, the sludge discharge port of the first-level HHR sedimentation tank 32 is connected to the first-level HHR tank 31 through a sludge return pump and a pipe, the sludge discharge port of the first-level SCBR tank 33 is connected to the first-level SCBR tank 33 through a sludge return pump and a pipe, the sludge discharge port of the second-level HHR sedimentation tank 42 is connected to the second-level HHR tank 41 through a sludge return pump and a pipe, and the first-level HHR tank 31, the first-level SCBR, the second-level HHR tank 41 and the second-level SCBR tank 44 are provided with a plurality of sludge. According to the waste water volume of actual processing, can set up a plurality of HHR ponds and SCBR pond, fully guarantee waste water treatment's effect, waste water and the mud that the sediment produced after HHR pond and HHR sedimentation tank are handled can be carried to HHR pond and carry out the circulation and handle, improve waste water treatment quality.
Referring to fig. 2, the oxidation treatment unit 2 comprises an advanced oxidation reaction tank group 21, an advanced oxidation sedimentation tank 22 and a first pH callback tank 23 which are sequentially communicated through a pipeline, a water inlet of the advanced oxidation reaction tank group 21 is connected with the buffer tank 1 through a pipeline, the first pH callback tank 23 is communicated with the primary biochemical treatment unit 3, and a sludge discharge port of the advanced oxidation sedimentation tank 22 is connected to the sludge concentration tank 7 through a pipeline. The advanced oxidation reaction tank group 21 is provided with 8 grids, acid, ferrous iron and hydrogen peroxide are added in the 1 st grid, a PH meter is arranged for monitoring the pH value of water, liquid alkali is added in the 7 th grid, and PAM is added in the 8 th grid; acid and sodium metabisulfite are added into the first pH adjusting tank 23, and a pH meter is arranged. The advanced oxidation technology is a process capable of generating a large amount of (OH) free radicals, and utilizes the high-activity free radicals to attack macromolecular organic matters and react with the macromolecular organic matters to break bonds of the macromolecules, thereby realizing efficient oxidation treatment, improving the biodegradability of sewage and being beneficial to subsequent biochemical treatment.
Specifically, be provided with agitating unit 8 in advanced oxidation reaction group 21, agitating unit 8 includes (mixing) shaft 81 and drive arrangement, each reaction tank of advanced oxidation reaction group 21 is provided with the apron, be provided with the through-hole on the apron, (mixing) shaft 81 passes the through-hole, the (mixing) shaft 81 is the cavity setting, the (mixing) shaft 81 lower extreme is provided with a plurality of stirring vane, the (mixing) shaft 81 bottom is provided with the liquid outlet, the apron top is provided with the protection casing, drive arrangement is located the protection casing for drive (mixing) shaft 81 goes up and down and rotates. In senior oxidation reaction group 21, can throw the medicament and handle waste water usually, if stir inhomogeneous, can cause the medicament extravagant and influence the chemical reaction effect, set up agitating unit 8 in the reaction group, when throwing the liquid medicine through (mixing) shaft 81, can rotate (mixing) shaft 81 and carry out intensive mixing to waste water and medicament in the pond body, (mixing) shaft 81 can also the oscilaltion in the pivoted, make the solution in the whole pond body up and down homogeneous mixing, further improved stirring effect.
Referring to fig. 7, the driving device includes a driving motor and a rotating rod 82, the top end of the rotating rod 82 is connected to the driving motor, a first driving gear 83 is fixedly sleeved on the rotating rod 82, a first driven gear 84 is arranged at the upper end of the stirring shaft 81, the first driving gear 83 is meshed with the first driven gear 84, and the first driven gear 84 is rotatably connected to the stirring shaft 81. After the driving motor starts, the driving rotating rod 82 rotates, a driving gear 83 on the driving rotating rod 82 rotates synchronously, so that a driving gear 83 drives a driven gear 84 to rotate, a driven gear 84 inner wall and a stirring shaft 81 outer wall are provided with mutually meshed racks, so that the driven gear 84 can drive the stirring shaft 81 to rotate synchronously, the rotating effect of the stirring shaft 81 is realized, and the liquid in the tank body is fully stirred.
Concretely, the driving device further comprises a second driving gear 85 and a second driven gear 86, the second driving gear 85 and the second driven gear 86 are rotatably connected with the protective cover through rotating shafts, rocker arms 87 are fixed to one ends of the rotating shafts of the second driving gear 85 and the second driven gear 86 respectively, the two rocker arms 87 are connected through connecting rods 88, a helical rack is arranged on the outer wall of the lower end of the rotating rod 82, the second driving gear 85 is meshed with the helical rack, a straight rack is axially arranged on the outer wall of the stirring shaft 81, and the second driven gear 86 is meshed with the straight rack. Because the meshing of the helical rack on the second driving gear 85 and the rotating rod 82, the rotating rod 82 drives the second driving gear 85 to synchronously rotate when rotating, the rotating shaft and the rocker arm 87 on the second driving gear 85 also synchronously rotate, thereby driving the second driven gear 86 to rotate through the connecting rod 88, because the meshing of the second driven gear 86 and the straight rack arranged on the outer wall of the stirring shaft 81, thereby driving the stirring shaft 81 to ascend and descend, so that the stirring shaft 81 stirs the liquid up and down in the tank body in the rotating process, and the liquid is uniformly mixed.
Referring to fig. 5, the guarantee reaction unit 5 includes a first guarantee reaction tank group 51, a first guarantee sedimentation tank 52, a second guarantee reaction tank group 53, a second guarantee sedimentation tank 54, and a second pH adjustment tank 55, which are sequentially communicated through a pipeline, and a sludge discharge port of the first guarantee sedimentation tank 52 is connected to the sludge concentration tank 7 through a pipeline. The first barrier reaction tank is provided with 8 lattices, ferrous iron, acid, sodium hypochlorite and hydrogen peroxide are added into the 1 st lattice, the recapture agent is added into the 2 nd lattice, liquid caustic soda is added into the 6 th lattice, PAC is added into the 7 th lattice, and PAM is added into the 8 th lattice, wherein the 2 nd lattice is also provided with an adding port for standby medicaments, and the medicaments can be added according to the quality of wastewater.
Specifically, still include emergent pond 9 and reserve equalizing basin 10, discharge unit 6 includes and discharges pond 61 and discharge port 62, and the water inlet of discharging pond 61 is connected to second pH back of the body pond 55 through the pipeline, and the delivery port of discharging pond 61 is connected to discharge port 62, emergent pond 9 and reserve equalizing basin 10 through the pipeline respectively, and the delivery port of emergent pond 9 is connected to buffer pool 1 through the pipeline, and the delivery port of reserve equalizing basin 10 is connected to reaction system at different levels respectively through the pipeline. Set up out water on-line monitoring system at discharge port 62, carry out real-time supervision to discharging quality of water, ensure that discharging quality of water is up to standard, after the quality of water in discharging the pond 61 is up to standard, directly discharge through discharge port 62, if quality of water is not up to standard, then can be through pipeline transport to emergent pond 9 or reserve equalizing basin 10, carry again to buffer pool 1 and carry out retreatment, the setting of emergent pond 9 and reserve equalizing basin 10 has further guaranteed that discharging quality of water is up to standard.
Referring to fig. 6, the sludge thickener 7 is connected to a sludge tank 71 through a pipe, and the sludge tank 71 is connected to a plate and frame filter press 72 through a pipe. Sludge generated in the oxidation treatment, biochemical treatment and guarantee reaction treatment processes is conveyed to a sludge concentration tank 7 through a sludge reflux pump and a pipeline for treatment, the sludge is treated by adopting methods of gravity concentration, mechanical filter pressing and low-temperature drying, and the dried sludge can be transported outside for resource recovery or legal treatment. Preferably, the plate-and-frame filter press 72 carries out recycling treatment on the pressure-filtered liquid of the sludge by conveying the pressure-filtered liquid to the buffer tank 1 through a pipeline, so that the utilization rate of the wastewater is improved.
Claims (10)
1. The biochemical treatment system for the electroplating wastewater is characterized in that: comprises a buffer pool (1), an oxidation treatment unit (2), a primary biochemical treatment unit (3), a secondary biochemical treatment unit (4), a guarantee reaction treatment unit and a discharge unit (6) which are communicated in sequence through pipelines, the primary biochemical treatment unit (3) comprises a primary HHR pool (31), a primary HHR sedimentation pool (32), a primary SCBR pool (33) and a primary SCBR sedimentation pool (34) which are communicated in sequence through pipelines, the secondary biochemical treatment unit (4) comprises a secondary HHR pool (41), a secondary HHR sedimentation pool (42), a transition water pool (43), a secondary SCBR pool (44) and a secondary sedimentation pool (45) which are communicated in sequence through pipelines, one-level HHR sedimentation tank (32), one-level SCBR sedimentation tank (34) second grade HHR sedimentation tank (42) and the row's mud mouth of second grade sedimentation tank (45) is respectively through pipe connection to mud thickener (7).
2. The biochemical treatment system for electroplating wastewater according to claim 1, characterized in that: the mud discharging port of one-level HHR sedimentation tank (32) is connected to the one-level HHR tank (31) through a sludge return pump and a pipeline, the mud discharging port of the one-level SCBR tank (33) is connected to the one-level SCBR tank (33) through a sludge return pump and a pipeline, and the mud discharging port of the second-level HHR sedimentation tank (42) is connected to the second-level HHR tank (41) through a sludge return pump and a pipeline.
3. The biochemical treatment system for electroplating wastewater according to claim 2, characterized in that: one-level HHR pond (31) one-level SCBR second grade HHR pond (41) and second grade SCBR pond (44) all are provided with a plurality of.
4. The biochemical treatment system for electroplating wastewater according to claim 1, characterized in that: the oxidation treatment unit (2) comprises an advanced oxidation reaction tank group (21), an advanced oxidation sedimentation tank (22) and a first pH (potential of Hydrogen) callback tank (23) which are sequentially communicated through a pipeline, a water inlet of the advanced oxidation reaction tank group (21) is connected with the buffer tank (1) through a pipeline, the first pH callback tank (23) is communicated with the primary biochemical treatment unit (3), and a sludge discharge port of the advanced oxidation sedimentation tank (22) is connected to the sludge concentration tank (7) through a pipeline.
5. The biochemical treatment system for electroplating wastewater according to claim 4, characterized in that: be provided with agitating unit (8) in advanced oxidation reaction group (21), agitating unit (8) are including (mixing) shaft (81) and drive arrangement, each reaction tank of advanced oxidation reaction group (21) is provided with the apron, be provided with the through-hole on the apron, (mixing) shaft (81) are passed the through-hole, (mixing) shaft (81) are the cavity setting, (mixing) shaft (81) lower extreme is provided with a plurality of stirring vane, (mixing) shaft (81) bottom is provided with the liquid outlet, the apron top is provided with the protection casing, drive arrangement is located in the protection casing, be used for the drive (mixing) shaft (81) go up and down and rotate.
6. The biochemical treatment system for electroplating wastewater according to claim 5, characterized in that: drive arrangement includes driving motor and dwang (82), dwang (82) top with driving motor connects, the cover is established on dwang (82) and is fixed with driving gear (83), (mixing) shaft (81) upper end is provided with driven gear (84), driving gear (83) with driven gear (84) meshing, driven gear (84) with (mixing) shaft (81) rotate and are connected.
7. The biochemical treatment system for electroplating wastewater according to claim 6, characterized in that: drive arrangement still includes driving gear two (85) and driven gear two (86), driving gear two (85) with driven gear two (86) all through the pivot with the protection casing rotates and connects, driving gear two (85) with the pivot one end of driven gear two (86) all is fixed with rocking arm (87), two connect through connecting rod (88) between rocking arm (87), be provided with the helical rack on dwang (82) lower extreme outer wall, driving gear two (85) with the helical rack meshing, (mixing) shaft (81) outer wall is provided with the spur rack along the axial, driven gear two (86) with the spur rack meshing.
8. The biochemical treatment system for electroplating wastewater according to claim 1, characterized in that: the guarantee reaction unit (5) comprises a first guarantee reaction tank group (51), a first guarantee sedimentation tank (52), a second guarantee reaction tank group (53), a second guarantee sedimentation tank (54) and a second pH (potential of hydrogen) adjustment tank (55) which are sequentially communicated through a pipeline, and a sludge discharge port of the first guarantee sedimentation tank (52) is connected to the sludge concentration tank (7) through a pipeline.
9. The biochemical treatment system for electroplating wastewater according to claim 1, characterized in that: still include emergent pond (9) and reserve equalizing basin (10), discharge unit (6) are including discharging pond (61) and discharge port (62), the water inlet of discharging pond (61) is connected to through the pipeline second pH back of the body pond (55), the delivery port of discharging pond (61) is connected to through the pipeline respectively discharge port (62), emergent pond (9) and reserve equalizing basin (10), the delivery port of emergent pond (9) is connected to through the pipeline buffer pool (1), the delivery port of reserve equalizing basin (10) is connected to reaction system at different levels respectively through the pipeline.
10. The biochemical treatment system for electroplating wastewater according to any one of claims 1 to 8, characterized in that: the sludge concentration tank (7) is connected to a sludge tank (71) through a pipeline, and the sludge tank (71) is connected to a plate-and-frame filter press (72) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480516.0A CN113135641A (en) | 2021-04-30 | 2021-04-30 | Electroplating effluent biochemical treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480516.0A CN113135641A (en) | 2021-04-30 | 2021-04-30 | Electroplating effluent biochemical treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113135641A true CN113135641A (en) | 2021-07-20 |
Family
ID=76816542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110480516.0A Pending CN113135641A (en) | 2021-04-30 | 2021-04-30 | Electroplating effluent biochemical treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113135641A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385487A (en) * | 2022-09-22 | 2022-11-25 | 长江生态环保集团有限公司 | Rapid screening system and method for municipal sewage treatment plant |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016577A (en) * | 2015-07-08 | 2015-11-04 | 安徽东华环境市政工程有限责任公司 | Advanced treatment system for process sewage and advanced treatment method for sewage |
| CN108046485A (en) * | 2017-12-13 | 2018-05-18 | 襄阳光瑞汽车零部件有限公司 | The technique that light electrolysis and combinations thereof pre-processes electrophoresis waste water |
| US20200156975A1 (en) * | 2018-03-08 | 2020-05-21 | Dalian University Of Technology | Method of upgrading the activated sludge process based on functional suspended carriers in the wastewater biological treatment process |
| CN111410374A (en) * | 2020-04-20 | 2020-07-14 | 深圳市世清环保科技有限公司 | System and method for treating nickel-containing electroplating wastewater |
| CN211436018U (en) * | 2019-12-06 | 2020-09-08 | 上海人民电缆集团有限公司 | Mixing arrangement is used in processing of cable auxiliary material |
| CN112010508A (en) * | 2020-09-01 | 2020-12-01 | 天津滨港电镀企业管理有限公司 | High-standard advanced treatment system and method for refractory organic matters in comprehensive wastewater of electroplating industrial park |
-
2021
- 2021-04-30 CN CN202110480516.0A patent/CN113135641A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016577A (en) * | 2015-07-08 | 2015-11-04 | 安徽东华环境市政工程有限责任公司 | Advanced treatment system for process sewage and advanced treatment method for sewage |
| CN108046485A (en) * | 2017-12-13 | 2018-05-18 | 襄阳光瑞汽车零部件有限公司 | The technique that light electrolysis and combinations thereof pre-processes electrophoresis waste water |
| US20200156975A1 (en) * | 2018-03-08 | 2020-05-21 | Dalian University Of Technology | Method of upgrading the activated sludge process based on functional suspended carriers in the wastewater biological treatment process |
| CN211436018U (en) * | 2019-12-06 | 2020-09-08 | 上海人民电缆集团有限公司 | Mixing arrangement is used in processing of cable auxiliary material |
| CN111410374A (en) * | 2020-04-20 | 2020-07-14 | 深圳市世清环保科技有限公司 | System and method for treating nickel-containing electroplating wastewater |
| CN112010508A (en) * | 2020-09-01 | 2020-12-01 | 天津滨港电镀企业管理有限公司 | High-standard advanced treatment system and method for refractory organic matters in comprehensive wastewater of electroplating industrial park |
Non-Patent Citations (2)
| Title |
|---|
| 廖润华: "《环境治理功能材料》", 30 April 2017, 中国建材工业出版社 * |
| 陈清如，刘炯天: "《中国洁净煤》", 30 September 2009, 中国矿业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385487A (en) * | 2022-09-22 | 2022-11-25 | 长江生态环保集团有限公司 | Rapid screening system and method for municipal sewage treatment plant |
| CN115385487B (en) * | 2022-09-22 | 2023-10-13 | 长江生态环保集团有限公司 | Rapid screening system and method for municipal wastewater treatment plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101591123B (en) | Printing and dyeing wastewater treatment system | |
| CN105110570B (en) | A kind of processing method and its processing system of high salt high concentrated organic wastewater | |
| CN101264946B (en) | Iron-carbon pipe component capable of purifying waste water, integrated magnetoelectric oxidation biological filter chamber and application system | |
| CN101205109B (en) | Apparatus for treating chemical fiber waste water by anaerobic method | |
| CN109368746B (en) | Pretreatment system and method of pretreatment device for high-COD (chemical oxygen demand) and difficult-biochemical wastewater | |
| CN107777830A (en) | A kind of high-concentration hardly-degradable pharmacy wastewater treatment method and system | |
| CN114084998A (en) | Rubbish transfer station waste water and domestic sewage cooperative processing system | |
| CN113087314A (en) | Wastewater treatment system and treatment process | |
| CN207861965U (en) | A kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment | |
| CN102583910A (en) | Method for treating waste water in multi-stage catalytic oxidation and microelectrolysis method | |
| CN102452762A (en) | Method for treating wastewater of caprolactam production | |
| CN113135641A (en) | Electroplating effluent biochemical treatment system | |
| CN114380354A (en) | Device for treating wastewater by combining photoelectrocatalysis and oxidation and application method thereof | |
| CN211111499U (en) | High concentration effluent treatment plant | |
| CN204569505U (en) | A kind of electrolyzer and marine domestic sewage treatment system | |
| CN102329050A (en) | Process and device for efficiently treating wheat straw pulp intermediate wastewater by alkaline method | |
| CN210528702U (en) | Electroplating effluent regeneration and reuse integrates processing apparatus | |
| CN108996810A (en) | A kind of high concentration hard-degraded organic waste water Zero discharging system and processing method | |
| CN212198916U (en) | Three-dimensional electrochemical coupling three-dimensional electric biological coking wastewater treatment system | |
| CN114873851A (en) | Autotrophic nitrogen removal and full-scale treatment device and method for high-salt and high-ammonia nitrogen wastewater | |
| CN212610147U (en) | Electroplating wastewater treatment recycling device | |
| CN212799980U (en) | Efficient and rapid purification device for dredging tail water | |
| CN106517675A (en) | Disposal system and method for high-concentration degradation-resistant fine chemical wastewater | |
| CN206467101U (en) | High-concentration hardly-degradable Fine Chemistry Wastewater processing system | |
| CN201250138Y (en) | Ozone iron-zinc bed catalyzing device for wastewater treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210720 |
|
| RJ01 | Rejection of invention patent application after publication |