CN105621744A - Copper ore acid wastewater treatment and recovery device and method - Google Patents

Copper ore acid wastewater treatment and recovery device and method Download PDF

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Publication number
CN105621744A
CN105621744A CN201610126516.XA CN201610126516A CN105621744A CN 105621744 A CN105621744 A CN 105621744A CN 201610126516 A CN201610126516 A CN 201610126516A CN 105621744 A CN105621744 A CN 105621744A
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water
waste water
acid waste
tank
copper mine
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CN105621744B (en
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张国平
杨庆斌
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Anhui Suno Membrane Technology Co.,Ltd.
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SHANDONG GUOXIN ENVIRONMENTAL SYSTEMS CO Ltd
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    • 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
    • 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
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • 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
    • C02F1/66—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
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • 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
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • 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
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C02F1/766—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens by means of halogens other than chlorine or of halogenated compounds containing halogen other than chlorine
    • 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
    • C02F2101/103—Arsenic compounds
    • 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
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F2303/06—Sludge reduction, e.g. by lysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Mechanical Engineering (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)

Abstract

The invention discloses a copper ore acid wastewater treatment and recovery device and method. The copper ore acid wastewater treatment and recovery device structurally comprises a copper ore acid wastewater treatment system (1), a copper ore acid wastewater deep treatment system (2) and a copper ore acid wastewater sludge treatment system (3). The recovery method includes the first step of copper ore acid wastewater treatment, the second step of copper ore acid wastewater deep treatment and the third step of copper ore acid wastewater sludge treatment. The copper ore acid wastewater treatment and recovery device and method have the advantages that designing is carried out according to the characteristic that heavy metal pollutants are contained in copper ore acid wastewater; the pH is regulated stage by stage with lime, an oxidizing agent and a flocculating agent to precipitate heavy metal; residual heavy metal is further removed in an electric flocculation mode to guarantee the treatment effect; desalination deep treatment is carried out with ultrafiltration and reverse osmosis membrane systems so that output water can meet the requirement for recovered water; the purposes of removing heavy metal pollution and recovering water resources are achieved finally.

Description

Copper mine acid waste water process retrieving arrangement and method thereof
Technical field
What the present invention relates to is copper mine acid waste water process retrieving arrangement and method thereof, belongs to the technical field of Industrial Wastewater Treatment.
Background technology
The waste water that copper mine acid waste water mainly produces after biological dump leaching from copper mine, has pH low, containing various ion and the organism such as suspended substance and mineral oil, and wastewater flow rate is big, time of flow is long, and drainage point disperses, and water quality and the water yield fluctuate big feature. Simple neutralizing treatment or sulfide precipitation method can not meet more and more tighter environmental protection to the processing requirements of copper mine waste water at present, not only waste a large amount of water resourcess, and can be polluted by surrounding aqueous environment. Need new copper mine acid waste water treatment for reuse technology to reach the harm eliminating copper mine acid waste water, preserve the ecological environment, make the object that water resources is fully used.
Summary of the invention
What the present invention proposed is a kind of copper mine acid waste water process retrieving arrangement and method thereof, and its object is intended to utilize copper mine acid waste water treatment system, copper mine acid waste water advanced treatment system, copper mine acid waste water sludge treating system that copper mine acid waste water is carried out treatment for reuse. Before process, the main water quality of copper mine acid waste water is: pH:2��4, H2SO4(sulfuric acid): 400��2000mg/L, As(arsenic): 20��200mg/L, Cu(copper): 2��50mg/L, Pb(are plumbous): 2��50mg/L, Zn(zinc): 10��100mg/L, Fe(iron): 50��200mg/L, F(fluorochemical): 10��50mg/L, Cl-(muriate): 1000��4000mg/L, and the Ti(thallium of trace). Copper mine acid waste water meets the requirement (wherein As(arsenic) of " copper, nickel, cobalt emission of industrial pollutants standard " special emission limit of (GB25467-2010) table 3 water pollutant after copper mine acid waste water treatment system processes: 0.1mg/L, Cu(copper): 0.2mg/L, Pb(is plumbous): 0.2mg/L, Zn(zinc): 1.0mg/L, F(fluorochemical): 2mg/L), use water is prepared as the medicament of sewage works in process rear section, and all the other water outlets enter copper mine acid waste water advanced treatment system and carry out advanced treatment; And the water outlet after advanced treatment reaches the requirement of circulating cooling make-up water completely, its water-quality guideline be better than " Code for design of industrial recirculating cooling water treatment " (GB50050-2007) 6.1.3 Standard of reclaimed water (wherein pH:7.0��8.5, Cl-250mg/L, TDS 1000mg/L), by advanced treatment effluent reuse to circulating water system, reach elimination heavy metal contamination, the object simultaneously economized on water again.
The technical solution of the present invention: copper mine acid waste water process retrieving arrangement, its structure comprises copper mine acid waste water treatment system (1), copper mine acid waste water advanced treatment system (2), copper mine acid waste water sludge treating system (3); Wherein copper mine spent acidic water pipe A accesses the water-in of copper mine acid waste water treatment system (1), the water outlet F of copper mine acid waste water treatment system (1) receives the water-in of copper mine acid waste water advanced treatment system (2), the row mud G of copper mine acid waste water treatment system (1) receives the mud inlet of copper mine acid waste water sludge treating system (3), the filtrate backflow H of copper mine acid waste water sludge treating system (3) also receives the water-in of copper mine acid waste water treatment system (1), and copper mine acid waste water sludge treating system (3) is connected to mud cake outward transport B; The backwash backflow water E of copper mine acid waste water advanced treatment system (2) receives the backflow water import of copper mine acid waste water treatment system (1), copper mine acid waste water advanced treatment system (2) is connected to and reclaims water pipe C, the strong brine D of copper mine acid waste water advanced treatment system (2) and deliver to other copper mine sewerage disposing and reclaim Zero discharging system and be further processed.
Copper mine acid waste water process recovery method, comprises the steps:
(1) copper mine acid waste water process;
(2) copper mine acid waste water advanced treatment;
(3) copper mine acid waste water sludge treatment.
The advantage of the present invention:
1) design containing the feature of heavy metal contaminants for copper mine acid waste water;
2) the sectional-regulated pH of lime, oxygenant, flocculation agent is utilized, by heavy metal precipitation;
3) electricity flocculation is utilized to remove the heavy metal of residual further, guarantee process effect;
4) ultrafiltration, reverse osmosis membrane system desalination advanced treatment is utilized so that water outlet reaches the requirement of reuse water;
5) elimination heavy metal contamination is finally reached, again the object of recycle-water resource.
Accompanying drawing explanation
Accompanying drawing 1 is the overall structure schematic diagram of copper mine spent acidic water handling reclamation set.
Accompanying drawing 2 is the structural representation of copper mine acid waste water treatment system and sludge treating system.
Accompanying drawing 3 is the structural representation of copper mine acid waste water advanced treatment system.
Accompanying drawing 4 is the process flow diagram of copper mine spent acidic water handling reclamation set embodiment.
WWT in accompanying drawing represents that copper mine acid waste water treatment system (1), AWT represent that copper mine acid waste water advanced treatment system (2), ST represent copper mine acid waste water sludge treating system (3); A represents that copper mine acid waste water, B represent that mud cake outward transport, C represent that reuse water, D represent that strong brine, E represent that the backwash backflow water of copper mine acid waste water advanced treatment system, F represent that the process water outlet of copper mine acid waste water treatment system, G represent that row's mud of copper mine acid waste water treatment system, H represent that the filtrate of copper mine acid waste water sludge treating system is refluxed; T1Represent copper mine acid waste water equalizing tank (1-01), T2Represent intermediate pool (1-13), T3Represent the former pond of copper mine acid waste water advanced treatment (2-01), T4Represent that pond (2-06), T are produced in ultrafiltration5Represent reverse osmosis produced pond (2-09); PN represents pre-neutralization groove (1-02), N1Represent one section of neutralizing well (1-03), N2Represent two sections of neutralizing wells (1-06), N3Represent three sections of neutralizing wells (1-09); S1Represent one section of settling tank (1-05), S2Represent two sections of settling tanks (1-07), S3Represent three sections of settling tanks (1-10), S4Represent coagulative precipitation tank (1-15); O1Represent stair oxidation reactive tank (1-04), O2Represent that secondary oxidation reactive tank (1-08), PHD represent that pH regulator groove (1-11), EF represent electricity flocculation apparatus (1-12), R1Represent flocculation tank (1-14); D1Represent 1# Lime-Injecting equipment (1-17), D2Represent lime and FeSO4(ferrous sulfate) adding equipment (1-18), D3Represent 2# Lime-Injecting equipment (1-20), D4Represent 3# Lime-Injecting equipment (1-22), D5Represent acid adding equipment (1-23), D6Represent PAC/PAM/Na2CO3(coagulating agent/coagulant aids/sodium carbonate) adding equipment (1-24), D7Represent PAM adding equipment (3-04), D8Represent PAC/ sterilant adding equipment (2-11), D9Represent acid/alkali/sterilant adding equipment (2-14), D10Represent Scale inhibitors/reductive agent adding equipment (2-12); SW represents that Ji Nichi (3-01), SC represent that sludge thickener (3-02), SD represent sludge filter press (3-03); P1Represent equalizing tank lift pump (1-25), P2Represent intermediate pool lift pump (1-26), P3Represent sludge lifting pump (3-05), P4Represent mud pressurization spiral pump (3-06), P5Represent advanced treatment lift pump (2-15), P6Represent more medium filter backwashing pump (2-16), P7Represent hyperfiltration reverse-rinsing pump (2-18), P8Represent reverse osmosis force (forcing) pump (2-19), P9Represent reverse osmosis high-pressure pump (2-20), P10Represent reuse water pump (2-21); OD represents clorox adding equipment (1-21), A1Represent 1# pressurized air (1-19), A2Represent 2# pressurized air (2-13), B1Represent roots blower (2-17); HE represents that interchanger (2-02), MMF represent that more medium filter (2-03), AF represent that self-cleaning filter (2-04), UF represent that ultra-filtration equipment (2-05), SAF represent that security personnel's strainer (2-07), RO represent that reverse osmosis unit (2-08), ZQ represent steam (2-10).
Embodiment
Comparison accompanying drawing 1, copper mine spent acidic water handling reclamation set, its structure comprises copper mine acid waste water treatment system (1), copper mine acid waste water advanced treatment system (2), copper mine acid waste water sludge treating system (3); Wherein copper mine spent acidic water pipe A receives the water-in of copper mine acid waste water treatment system (1), the water outlet F of copper mine acid waste water treatment system (1) receives the water-in of copper mine acid waste water advanced treatment system (2), the row mud G of copper mine acid waste water treatment system (1) receives the mud inlet of copper mine acid waste water sludge treating system (3), the filtrate backflow H of copper mine acid waste water sludge treating system (3) also receives the water-in of copper mine acid waste water treatment system (1), and copper mine acid waste water sludge treating system (3) is connected to mud cake outward transport B; The backwash backflow water E of copper mine acid waste water advanced treatment system (2) receives the backflow water import of copper mine acid waste water treatment system (1), copper mine acid waste water advanced treatment system (2) is connected to reuse water pipe C, and the strong brine D of copper mine acid waste water advanced treatment system (2) delivers to other copper mine sewerage disposing recover zero discharge system and is further processed.
Comparison accompanying drawing 2, copper mine acid waste water treatment system (1), its structure comprises copper mine acid waste water equalizing tank (1-01), pre-neutralization groove (1-02), one section of neutralizing well (1-03), stair oxidation reactive tank (1-04), one section of settling tank (1-05), two sections of neutralizing wells (1-06), two sections of settling tanks (1-07), secondary oxidation reactive tank (1-08), three sections of neutralizing wells (1-09), three sections of settling tanks (1-10), pH regulator groove (1-11), electricity flocculation apparatus (1-12), intermediate pool (1-13), flocculation tank (1-14), coagulative precipitation tank (1-15), 1# Lime-Injecting equipment (1-17), lime and FeSO4(ferrous sulfate) adding equipment (1-18), 1# pressurized air (1-19), 2# Lime-Injecting equipment (1-20), clorox adding equipment (1-21), 3# Lime-Injecting equipment (1-22), acid adding equipment (1-23), PAC/PAM/Na2CO3(coagulating agent/coagulant aids/sodium carbonate) adding equipment (1-24), equalizing tank lift pump (1-25), intermediate pool lift pump (1-26); Wherein the filtrate backflow H of copper mine acid waste water A and copper mine acid waste water sludge treating system receives the water-in of copper mine acid waste water equalizing tank (1-01), the water outlet of copper mine acid waste water equalizing tank (1-01) receives the water-in of pre-neutralization groove (1-02) by equalizing tank lift pump (1-25), the medicine outlet of 1# Lime-Injecting equipment (1-17) receives the feeding opening of pre-neutralization groove (1-02), the water outlet of pre-neutralization groove (1-02) receives the water-in of one section of neutralizing well (1-03), lime and FeSO4The medicine outlet of (ferrous sulfate) adding equipment (1-18) receives the feeding opening of one section of neutralizing well (1-03), the water outlet of one section of neutralizing well (1-03) receives the water-in of stair oxidation reactive tank (1-04), 1# pressurized air (1-19) receives the inlet mouth of stair oxidation reactive tank (1-04), the water outlet of stair oxidation reactive tank (1-04) receives the water-in of one section of settling tank (1-05), the water outlet of one section of settling tank (1-05) receives the water-in of two sections of neutralizing wells (1-06), the medicine outlet of 2# Lime-Injecting equipment (1-20) receives the feeding opening of two sections of neutralizing wells (1-06), the water outlet of two sections of neutralizing wells (1-06) receives the water-in of two sections of settling tanks (1-07), the water outlet of two sections of settling tanks (1-07) receives the water-in of secondary oxidation reactive tank (1-08), the medicine outlet of clorox adding equipment (1-21) receives the feeding opening of secondary oxidation reactive tank (1-08), the water outlet of secondary oxidation reactive tank (1-08) receives the water-in of three sections of neutralizing wells (1-09), the medicine outlet of 3# Lime-Injecting equipment (1-22) receives the feeding opening of three sections of neutralizing wells (1-09), the water outlet of three sections of neutralizing wells (1-09) receives the water-in of three sections of settling tanks (1-10), the water outlet of three sections of settling tanks (1-10) receives the water-in of pH regulator groove (1-11), the medicine outlet of acid adding equipment (1-23) receives the feeding opening of pH regulator groove (1-11), the water outlet of pH regulator groove (1-11) receives the water-in of electricity flocculation apparatus (1-12), the water outlet of electricity flocculation apparatus (1-12) receives the water-in of intermediate pool (1-13), the water outlet of intermediate pool (1-13) receives the water-in of flocculation tank (1-14) by intermediate pool lift pump (1-26), the backwash backflow water E of copper mine acid waste water advanced treatment system also receives the water-in of flocculation tank (1-14), PAC/PAM/Na2CO3The medicine outlet of (coagulating agent/coagulant aids/sodium carbonate) adding equipment (1-24) receives the feeding opening of flocculation tank (1-14), the water outlet of flocculation tank (1-14) receives the water-in of coagulative precipitation tank (1-15), and coagulative precipitation tank (1-15) is connected to the process water outlet F of copper mine acid waste water treatment system; The mud mouth of the mud mouth of one section of settling tank (1-05), the mud mouth of two sections of settling tanks (1-07), three sections of settling tanks (1-10), the mud mouth of electricity flocculation apparatus (1-12), the mud mouth of coagulative precipitation tank (1-15) all receive the row mud G of copper mine acid waste water treatment system.
Comparison accompanying drawing 2, copper mine acid waste water sludge treating system (3), its structure comprises Ji Nichi (3-01), sludge thickener (3-02), sludge filter press (3-03), PAM adding equipment (3-04), sludge lifting pump (3-05), mud pressurization spiral pump (3-06), wherein the row mud G of copper mine acid waste water treatment system receives the mud inlet of Ji Nichi (3-01), the mud mouth of Ji Nichi (3-01) receives the mud inlet of sludge thickener (3-02) by sludge lifting pump (3-05), the mud mouth of sludge thickener (3-02) receives the mud inlet of sludge filter press (3-03) by the mud spiral pump (3-06) that pressurizes, the medicine outlet of PAM adding equipment (3-04) also receives the mud inlet of sludge filter press (3-03), the supernatant liquor outlet of sludge thickener (3-02) and the filtrate outlet of sludge filter press (3-03) are connected to the filtrate backflow H of copper mine acid waste water sludge treating system, sludge filter press (3-03) is connected to mud cake outward transport B.
Comparison accompanying drawing 3, copper mine acid waste water advanced treatment system (2), its structure comprises the former pond of copper mine acid waste water advanced treatment (2-01), interchanger (2-02), more medium filter (2-03), self-cleaning filter (2-04), ultra-filtration equipment (2-05), is produced from pond (2-06) in ultrafiltration, security personnel's strainer (2-07), reverse osmosis unit (2-08), reverse osmosis produced pond (2-09), steam (2-10), PAC/ sterilant adding equipment (2-11), Scale inhibitors/reductive agent adding equipment (2-12), 2# pressurized air (2-13), acid/alkali/sterilant adding equipment (2-14), advanced treatment lift pump (2-15), more medium filter backwashing pump (2-16), roots blower (2-17), hyperfiltration reverse-rinsing pump (2-18), reverse osmosis force (forcing) pump (2-19), reverse osmosis high-pressure pump (2-20), reuse water pump (2-21), wherein the process water outlet F of copper mine acid waste water treatment system receives the water-in of the former pond of copper mine acid waste water advanced treatment (2-01), the water outlet in the former pond of copper mine acid waste water advanced treatment (2-01) receives the water-in of interchanger (2-02) and the backwash water import of more medium filter (2-03) by advanced treatment lift pump (2-15) and more medium filter backwashing pump (2-16) respectively, steam (2-10) receives the steam inlet of interchanger (2-02), the water outlet of interchanger (2-02) receives the water-in of more medium filter (2-03), the medicine outlet of PAC/ sterilant adding equipment (2-11) also receives the water-in of more medium filter (2-03), roots blower (2-17) go out the backwash blast inlet that more medium filter (2-03) is received in air port, the water outlet of more medium filter (2-03) receives the water-in of self-cleaning filter (2-04), the water outlet of self-cleaning filter (2-04) receives the water-in of ultra-filtration equipment (2-05), the backwash water outlet of more medium filter (2-03), the self-stip water outlet of self-cleaning filter (2-04), the backwash water outlet of ultra-filtration equipment (2-05) all receives the backwash backflow water E of copper mine acid waste water advanced treatment system, 2# pressurized air (2-13) receives the backwash inlet mouth of ultra-filtration equipment (2-05), the water outlet of ultra-filtration equipment (2-05) receives the water-in that is produced from pond (2-06) in ultrafiltration, the water outlet that is produced from pond (2-06) in ultrafiltration receives the backwash water-in of ultra-filtration equipment (2-05) and the water-in of security personnel's strainer (2-07) respectively by hyperfiltration reverse-rinsing pump (2-18) and reverse osmosis force (forcing) pump (2-19), the medicine outlet of acid/alkali/sterilant adding equipment (2-14) also receives the backwash water-in of ultra-filtration equipment (2-05), the medicine outlet of Scale inhibitors/reductive agent adding equipment (2-12) also receives the water-in of security personnel's strainer (2-07), the water outlet of security personnel's strainer (2-07) receives the water-in of reverse osmosis unit (2-08) by reverse osmosis high-pressure pump (2-20), the product water out of reverse osmosis unit (2-08) receives the water-in of reverse osmosis produced pond (2-09), the water outlet in reverse osmosis produced pond (2-09) is connected to reuse water C by reuse water pump (2-21), the dense water out of reverse osmosis unit (2-08) is connected to strong brine D.
Copper mine acid waste water process recovery method, comprises the steps:
(1) copper mine acid waste water process:
1. each stock acid waste water flows into acid waste water equalizing tank, the adjustment of water quality and quantity is carried out in equalizing tank, waste water after adjustment is by being pumped into acid waste water pre-neutralization groove, adding the neutralization that (concentration be 10%) milk of lime carries out pH value in acid waste water pre-neutralization groove to regulate, control pH is 3.8��4.2;
2. the water outlet of acid waste water pre-neutralization groove enters one section of neutralizing well, (concentration be 1%) milk of lime and ferrous sulfate is added in groove, control pH is 6.8��7.2, mixed solution flow to stair oxidation reactive tank, lead in groove and it is oxidized into air, be oxidized to pentavalent arsenic oxidation of ferrous iron to ferric iron, trivalent arsenic, then enter one section of settling tank precipitation, sludge from sedimentation tank enters Ji Nichi, and supernatant liquor enters two sections of neutralizing wells;
3. adding (concentration be 1%) milk of lime in two sections of neutralizing wells, control pH is 7.8��8.2, then enters two sections of settling tanks, and two sections of sludge from sedimentation tank enter Ji Nichi, and supernatant liquor enters secondary oxidation reactive tank;
4. adding clorox in secondary oxidation reactive tank to be oxidized, monovalence thallium is oxidized to trivalent thallium, carry out pneumatic blending simultaneously and prevent precipitation, water outlet enters three sections of neutralizing wells;
5. in three sections of neutralizing wells, add (concentration be 1%) milk of lime, control pH is 8.8��9.2, then enters three sections of settling tank precipitations, and trivalent thallium can generate the thallic hydroxide throw out being insoluble in water in the basic conditions, sludge from sedimentation tank enters Ji Nichi, and supernatant liquor enters pH regulator pond;
6. adding acid in pH regulator pond, readjustment pH is to neutral, and then waste water enters electricity flocculation apparatus, and under the electric field action of electricity flocculation system, metal ion forms Zn (OH) further2��Pb(OH)2Deng throw out, the oxyhydroxide of precipitated metal thing and a small amount of meta-arsenous acid calcium and iron (or aluminium) forms wadding body gel and sinks, thus reaches the object of co-precipitation, and calcium ions and magnesium ions concentration also reduces greatly simultaneously, solves the problem of purification system reuse water fouling;
7. the water outlet of electricity flocculation unit enters intermediate pool, is promoted to flocculation tank through pump, adds a small amount of Na in flocculation tank2CO3(10��70mg/L), PAC(20��80mg/L), PAM(0.5��4mg/L), through flocculation after sewage self-flowing enter coagulative precipitation tank;
8. in coagulative precipitation tank, making the precipitation of the flocs unit in sewage by gravity settling effect and remove, the precipitating sludge bottom coagulative precipitation tank enters Ji Nichi, and supernatant liquor then enters the former pond of advanced treatment.
(2) copper mine acid waste water advanced treatment:
Utilizing the former water lift pump of advanced treatment to pressurize successively by interchanger heating, more medium filter, self-cleaning filter, ultra-filtration filters, after filter, water enters ultrafiltration and produces water tank; Add PAC(10��50mg/L before more medium filter), NaClO(5��20mg/L), and regularly carry out air water backwash, ultrafiltration utilizes HCl, NaClO and air to carry out the online backwash in cycle; The backwash water of more medium filter, self-cleaning filter, ultrafiltration returns coagulation reaction tank reprocessing; Ultrafiltration is produced water and is entered reverse osmosis carry out desalting treatment through force (forcing) pump, security personnel's strainer, high-pressure pump, Scale inhibitors (2��4mg/L), reductive agent (1��5mg/L), non oxidizing bactericide (5��20mg/L) is added before security personnel's strainer, reverse osmosis produced Water circulation, reverse osmosis concentrated water goes strong brine zero discharge treatment system.
(3) copper mine acid waste water sludge treatment:
One section of sludge from sedimentation tank, two sections of sludge from sedimentation tank, three sections of sludge from sedimentation tank, electricity flocculation apparatus row's mud, coagulative precipitation tank row's mud enter Ji Nichi, and collection is provided with stirring in mud pond, and each several part mud mixes in the dirty pond of collection and prevents mud from hardening; Mud in collection mud pond promotes through pump, enter sludge thickener to concentrate, reduce the water ratio of mud, equalizing tank is removed in supernatant liquor overflow, mud after concentrated pressurizes through spiral pump and adds PAM(1��5mg/L), sending into plate-and-frame filter press and carry out mechanical dehydration, the mud cake outward transport after dehydration, filtrate is then flowed back to equalizing tank and is re-started process.
Described step (1) copper mine acid waste water is by copper mine acid waste water treatment system, and specifically copper mine acid waste water is successively by copper mine acid waste water equalizing tank T1, equalizing tank lift pump P1, pre-neutralization groove PN, one section of neutralizing well N1, stair oxidation reactive tank O1, one section of settling tank S1, two sections of neutralizing well N2, two sections of settling tank S2, secondary oxidation reactive tank O2, three sections of neutralizing well N3, three sections of settling tank S3, pH regulator groove PHD, electricity flocculation apparatus EF, intermediate pool T2, intermediate pool lift pump P2, flocculation tank R1, coagulative precipitation tank S4Until the process water outlet F of copper mine acid waste water treatment system; Wherein each stock acid waste water A(comprises the filtrate backflow H of copper mine acid waste water sludge treating system) at copper mine acid waste water equalizing tank T1Inside carry out the adjustment of water quality and quantity, and by equalizing tank lift pump P1Send into acid waste water pre-neutralization groove PN process; 1# Lime-Injecting equipment D is utilized in acid waste water pre-neutralization groove PN1Adding the neutralization that (concentration be 10%) milk of lime carries out pH value to regulate, control pH is 3.8��4.2; At one section of neutralizing well N1Utilize lime and FeSO4(ferrous sulfate) adding equipment D2Adding (concentration be 1%) milk of lime and ferrous sulfate, control pH is 6.8��7.2; At stair oxidation reactive tank O1Lead to into 1# pressurized air A1It is oxidized, it is oxidized to pentavalent arsenic oxidation of ferrous iron to ferric iron, trivalent arsenic, then enter one section of settling tank S1; At one section of settling tank S1Precipitate, one section of settling tank S1Row mud G enter Ji Nichi, supernatant liquor enters two sections of neutralizing well N2; At two sections of neutralizing well N2Utilize 2# Lime-Injecting equipment D3Adding (concentration be 1%) milk of lime, control pH is 7.8��8.2; At two sections of settling tank S2Precipitate, two sections of settling tank S2Row mud G enter Ji Nichi, supernatant liquor enters secondary oxidation reactive tank O2; At secondary oxidation reactive tank O2Utilizing clorox adding equipment OD to add clorox to be oxidized, monovalence thallium is oxidized to trivalent thallium, carry out pneumatic blending simultaneously and prevent precipitation, water outlet enters three sections of neutralizing well N3; At three sections of neutralizing well N3Utilize 3# Lime-Injecting equipment D4Adding (concentration be 1%) milk of lime, control pH is 8.8��9.2; At three sections of settling tank S3Precipitating, trivalent thallium can generate the thallic hydroxide throw out being insoluble in water in the basic conditions, three sections of settling tank S3Row mud G enter Ji Nichi, supernatant liquor enters pH regulator pond PHD; Acid adding equipment D is utilized at pH regulator pond PHD5Adding acid, readjustment pH is to neutral, and then waste water enters electricity flocculation apparatus EF; In electricity flocculation apparatus EF under the electric field action of electricity flocculation system, metal ion forms Zn (OH) further2��Pb(OH)2Deng throw out, the oxyhydroxide of precipitated metal thing and a small amount of meta-arsenous acid calcium and iron (or aluminium) forms wadding body gel and sinks, thus reaches the object of co-precipitation, and calcium ions and magnesium ions concentration also reduces greatly simultaneously, solves the problem of purification system reuse water fouling; The row mud G of electricity flocculation apparatus EF enters Ji Nichi, and the water outlet of electricity flocculation apparatus EF enters intermediate pool T2, it is promoted to flocculation tank R through pump1, at flocculation tank R1In utilize PAC/PAM/Na2CO3(coagulating agent/coagulant aids/sodium carbonate) adding equipment D6Add a small amount of Na2CO3, PAC, PAM, through flocculation after sewage self-flowing enter coagulative precipitation tank S4; The backwash backflow water E of copper mine acid waste water advanced treatment system also enters coagulative precipitation tank S4; At coagulative precipitation tank S4In, make the precipitation of the flocs unit in sewage by gravity settling effect and remove, coagulative precipitation tank S4The row mud G of bottom enters Ji Nichi, and the process water outlet F(that supernatant liquor is copper mine acid waste water treatment system enters the former pond of advanced treatment).
Described step (2) is by copper mine acid waste water advanced treatment system, and specifically the process water outlet F of copper mine acid waste water treatment system is connected in series through the former pond T of copper mine acid waste water advanced treatment successively3, advanced treatment lift pump P5, interchanger HE, more medium filter MMF, self-cleaning filter AF, ultra-filtration equipment UF, ultrafiltration produce pond T4, reverse osmosis force (forcing) pump P8, security personnel strainer SAF, reverse osmosis high-pressure pump P9, reverse osmosis unit RO, reverse osmosis produced pond T5, until reuse water pump P10Send reuse water C; Wherein the process water outlet F of copper mine acid waste water treatment system enters the former pond T of copper mine acid waste water advanced treatment3, by advanced treatment lift pump P5Pressurization is successively by interchanger HE heating, more medium filter MMF, self-cleaning filter AF, ultrafiltration UF multi-filtering, and after filter, water enters ultrafiltration and produces water tank T4; Utilize steam ZQ heat exchanging device HE to heat, before more medium filter MMF, utilize PAC/ sterilant adding equipment D8Add PAC, NaClO, and regularly utilize more medium filter backwashing pump P6With roots blower B1More medium filter MMF is carried out air water backwash; Ultrafiltration UF utilizes hyperfiltration reverse-rinsing pump P7, acid/alkali/sterilant adding equipment D9, 2# pressurized air A2Ultrafiltration UF is carried out the online backwash in the cycle of HCl, NaClO and air; The backwash water E of more medium filter MMF, self-cleaning filter AF, ultrafiltration UF returns coagulation reaction tank reprocessing; Pond T is produced in ultrafiltration4In ultrafiltration produce water by reverse osmosis force (forcing) pump P8Pressurize and filter through security personnel strainer SAF, and utilize Scale inhibitors/reductive agent adding equipment D before security personnel strainer SAF10Add Scale inhibitors, reductive agent, non oxidizing bactericide; Again through reverse osmosis high-pressure pump P9Entering reverse osmosis (RO) and carry out desalting treatment, reverse osmosis (RO) produces water by reverse osmosis produced pond T5, reuse water pump P10Sending reuse water C, the dense water of reverse osmosis (RO) is strong brine D and goes strong brine zero discharge treatment system.
Described step (3) by copper mine acid waste water sludge treating system, specifically one section of settling tank S of copper mine acid waste water treatment system WWT1, two sections of settling tank S2, three sections of settling tank S3, electricity flocculation apparatus EF, coagulative precipitation tank S4Row mud G successively be connected in series through collection mud pond SW, sludge lifting pump P3, sludge thickener SC, mud pressurization spiral pump P4, sludge filter press SD until output mud cake outward transport B; Wherein collecting in the SW of mud pond and be provided with stirring, each several part mud mixes in the dirty pond of collection and prevents mud from hardening; Mud in collection mud pond SW is through sludge lifting pump P3Promoting, enter sludge thickener SC and concentrate, reduce the water ratio of mud, the mud after concentrated is through mud pressurization spiral pump P4Pressurize and utilize PAM adding equipment D7Add PAM, send into sludge filter press SD and carry out mechanical dehydration, after dehydration, send mud cake outward transport B; The filtrate backflow H that the supernatant liquor of sludge thickener SC and the filtrate of sludge filter press SD converge into copper mine acid waste water sludge treating system then flows back to equalizing tank and re-starts process.
Embodiment
Certain Tong Ye company limited sewage treatment and recovery engineering (acid waste water and sulfuric acid district early-stage rainwater part) acid waste water treatment station.
1. design influent quality and the water yield
The sewage total amount of this project copper mine acid waste water presses 1000m3/ d(42m3/ h) design, the source of sewage mainly contains:
(1) water: 474m after dirty acid treatment3/ d, containing H2SO4: 0.51g/l, As:50mg/l, Cu:5mg/l, Pb:5mg/l, Zn:55mg/l, Fe:100mg/l, F:20mg/l, Cl:1500mg/l;
(2) ground, workshop wash-down water: 20m3/ d, pH=2;
(3) desulfurization (gypsum method) system draining: 133m3/ d;
(4) central laboratory: 5m3/ d, pH=4;
(5) melting is gathered dust wash-down water: 5m3/ d, pH=4;
(6) early-stage rainwater in sulfuric acid district and plant area's accident water.
The sulfuric acid district early-stage rainwater amount of first 15 minutes: 67m is collected in rainwater pond, sulfuric acid district3/ time, divide by pump after the collection of this part waste water and enter acid waste water treatment system in 7 days.
2. design effluent quality
After advanced treatment, reuse water is as circulating cooling make-up water, and its water-quality guideline meets " Code for design of industrial recirculating cooling water treatment " (GB50050-2007) 6.1.3 reuse water water quality requirement:
Reuse water water-quality guideline:
Sequence number Project Unit Water-quality control index
1 pH(25��) 7.0-8.5
2 Suspended substance mg/L ��10
3 Turbidity mg/L ��5
4 BOD5 mg/L ��5
5 COD mg/L ��30
6 Iron mg/L ��0.5
7 Manganese mg/L ��0.2
8 Cl- mg/L ��250
9 Calcium hardness is (with CaCO3Meter) mg/L ��250
10 Methyl orange alkalinity is (with CaCO3Meter) mg/L ��200
11 NH3-N mg/L ��5
12 Total phosphorus mg/L ��1
13 Soluble solid mg/L ��1000
14 Free chlorine mg/L End 0.1-0.2
15 Petroleum-type mg/L ��5
16 Total plate count Individual/ml < 1000
3. the feature of copper mine acid waste water
The waste water that copper mine acid waste water mainly produces after biological dump leaching from copper mine, has following feature:
(1) copper mine acid waste water pH is between 2��4, containing various ion. In addition, also containing the organism such as suspended substance and mineral oil in these waste water.
(2) wastewater flow rate is big, and the time of flow is long.
(3) drainage point dispersion, water quality and water yield fluctuation are big.
4. waste water treatment process is selected
According to the principle of " rain dirt shunting, remove contamination shunting, dual treatment, multi-purpose water ", the waste water after process realizes gradient reuse, it is achieved the overall target of zero release. The acid waste water of this engineering plant area and the early-stage rainwater in sulfuric acid district enter the process of acid waste water treatment station in the lump, first " copper, nickel, cobalt emission of industrial pollutants standard " (GB25467-2010) table 3 standard and " Hunan Province's trade effluent thallium pollution thing emission standard " (DB43/968-2014) is met after process, use water is prepared as the medicament of sewage works in process rear section, after acid waste water advanced treatment, fully recovering, in circulating cooling make up water, is arranged outside again.
Owing to mainly containing acid in the acid waste water of this engineering, containing arsenic, containing heavy metal etc., the sewage treatment process of design is taking this three pollutant as mainly removing target, and remaining other pollutant load is less can be removed by the membrane technique of advanced treatment unit.
The waste water treatment process that this engineering is finally selected is:
(1) H in acid waste water2SO4Milk of lime is adopted to be neutralized;
(2) hydroxide precipitation method is selected in the removal of the heavy metal ion in acid waste water, by the pH value of feeding lime breast control waste water, adopts multistage neutralization, at OH-Effect under make heavy metal generate insolubles precipitation and remove;
(3) arsenic in waste water adopts the ferrous method of lime, by add ferrous salt and through aeration agitation, make its abundant hybrid reaction, and utilize the oxygen in air that the trivalent arsenic of part is oxidized to pentavalent arsenic, remove through precipitation;
(4) thallium in waste water adopts preoxidation coagulant sedimentation, is oxidized by adding clorox, monovalence thallium is oxidized to trivalent thallium, and trivalent thallium can generate the thallic hydroxide throw out being insoluble in water in the basic conditions, and then dosing coagulant precipitation is removed;
(5) water outlet after neutralization precipitation removes metal ion further through electricity workshop section of flocculating again, it is ensured that heavy metal process is up to standard, then removes the suspended substance in water further through flocculation sediment;
(6) advanced treatment carries out desalination reuse further by ultrafiltration and reverse osmosis membrane technology.
5. technical process
The process flow diagram FIGS 4 of copper mine spent acidic water handling reclamation set.
6. system main design parameters
�� civil engineering:
The comprehensive factory building of advanced treatment comprises: between equipment room (more medium filter, self-cleaning filter, ultrafiltration, reverse osmosis, CIP device), dosing, pump house, switchgear building, watch-keeping cubicle etc.
�� major equipment:
Sequence number Device name Specifications and models Material Unit Quantity
1 Acid waste water equalizing tank
1.1 Acid waste water equalizing tank lift pump Anticorrosive anti-wear mortar pump, Q=50m3/ h, H=15m, N=7.5kW Steel lining ultra-high molecular mass polyethylene Platform 2
1.2 Equalizing tank perforated pipe aerating regulation device Nonstandard, perforation tubular type, service area 54m2/ cover UPVC Cover 1
2 Acid waste water pre-neutralization groove
2.1 Acid waste water pre-neutralization groove �� 2.4m �� 4.2m, V=19m3 Liner FRP is anticorrosion for carbon steel; Platform 1
2.2 Mixing agitator Whipped form: spiral paddle is double-deck; N=1.5kW Stir shaft and blade steel lining glue Platform 1
2.3 Milk of lime scale tank V=2.0m3 Carbon steel is anticorrosion Cover 2
2.4 Milk of lime scale tank stirrer Rotating speed: 80��120r/min, N=0.55kW Axle, impeller SS304 Cover 2
2.5 Lime milk metering pump Q=0.46m3/ h, P=0.6Mpa (spiral pump), N=0.37kW Platform 2
3 One section of neutralizing well
3.1 One section of neutralizing well �� 2.4m �� 4.2m, V=19m3 Liner FRP is anticorrosion for carbon steel Platform 1
3.2 Mixing agitator Whipped form: spiral paddle is double-deck, N=1.5kW Stir shaft and blade steel lining glue Platform 1 9 -->
3.3 Milk of lime scale tank V=2.0m3 Carbon steel is anticorrosion Cover 2
3.4 Milk of lime scale tank stirrer Rotating speed: 80��120r/min, N=0.55kW Axle, impeller SS304 Cover 2
3.5 Lime milk metering pump Q=0.46m3/ h, P=0.6Mpa (spiral pump), N=0.37kW Platform 2
3.6 FeSO4Molten medicine groove PT-2000L, V=2.0m3 PE Cover 2
3.7 FeSO4Scale tank stirrer JBJ-700, N=0.55kW Axle, impeller SS304 Cover 2
3.8 FeSO4Volume pump Q=90L/h, P=0.5MPa, N=0.25kW(variable frequency control) Pump head PVC Platform 4
4 Stair oxidation reaction tank
4.1 Perforated pipe aerating regulation device Nonstandard, perforation tubular type, service area 10.8m2/ cover UPVC Cover 1
4.2 Effluent weir 5400mm��400mm��2mm SS304 Part 1
5 One section of settling tank
5.1 Guide shell and reflector ��0.60m��H 3.0m FRP Cover 1
5.2 Effluent weir 21600mm��400mm��2mm SS304 Cover 1
5.3 Aisle plate and support platform L0.8m��B5.4m Carbon steel is anticorrosion Cover 1
6 Two sections of neutralizing wells
6.1 Two sections of neutralizing wells �� 2.4m �� 4.2m, V=19m3 Liner FRP is anticorrosion for carbon steel; Platform 1
6.2 Mixing agitator Whipped form: spiral paddle is double-deck; N=1.5kW Stir shaft and blade steel lining glue Platform 1
6.3 Milk of lime scale tank V=2.0m3 Carbon steel is anticorrosion Cover 2
6.4 Milk of lime scale tank stirrer Rotating speed: 80��120r/min, N=0.55kW Axle, impeller SS304 Cover 2
6.5 Lime milk metering pump Q=0.46m3/ h, P=0.6Mpa (spiral pump), N=0.37kW Platform 2
7 Two sections of settling tanks
7.1 Guide shell and reflector ��0.60m��H3.0m FRP Cover 1
7.2 Effluent weir 21600mm��400mm��2mm SS304 Cover 1
7.3 Aisle plate and support platform L0.8m��B5.4m Carbon steel is anticorrosion Cover 1
8 Secondary oxidation reaction tank
8.1 Perforated pipe aerating regulation device Nonstandard, perforation tubular type, service area 10.8m2/ cover UPVC Cover 1
8.2 Effluent weir 5400mm��400mm��2mm SS304 Part 1
8.3 Clorox dosing tank PT-1000L, V=1000L PE Platform 2
8.4 Stirrer JBJ-500, N=0.37kW SS304 Platform 2
8.5 Volume pump Q=50L/h, P=0.5MPa, N=0.25kW Compound Platform 4
9 Three sections of neutralizing wells
9.1 Three sections of neutralizing wells �� 2.4m �� 4.2m, V=19m3 Liner FRP is anticorrosion for carbon steel Platform 1
9.2 Mixing agitator Whipped form: spiral paddle is double-deck; N=1.5kW Stir shaft and blade steel lining glue Platform 1
9.3 Milk of lime scale tank V=2.0m3 Carbon steel is anticorrosion Cover 2
9.4 Milk of lime scale tank stirrer Rotating speed: 80��120r/min, N=0.55kW Axle, impeller SS304 Cover 2
9.5 Lime milk metering pump Q=0.46m3/ h, P=0.6Mpa (spiral pump), N=0.37kW Platform 2
10 Three sections of settling tanks
10.1 Guide shell and reflector ��0.60m��H3.0m FRP Cover 1
10.2 Effluent weir 21600mm��400mm��2mm SS304 Cover 1
10.3 Aisle plate support platform L0.8m��B5.4m Carbon steel is anticorrosion Cover 1
11 PH regulator pond
11.1 Perforated pipe aerating regulation device Nonstandard, perforation tubular type, service area 10.8m2/ cover UPVC Cover 1
11.2 Acid-storing barrel PT-1000L, V=1.0m3 Material PE Cover 2
11.3 H2SO4Volume pump Q=90L/h, P=0.5MPa, N=0.25 kW(variable frequency control) Pump head PVC Platform 4
11.4 Effluent weir 5400mm��400mm��2mm SS304 Part 1
12 Electricity flocculation unit
12.1 Electricity flocculation machine Processing power 45m3/ h, physical dimension: 4.2 m �� 2.2 m �� 3.2m; N=90kW Casing carbon steel is anticorrosion Cover 1
12.2 Electricity flocculation machine support equipment PH instrument, air compressor machine, service platform etc. Cover 1
13 Coagulation reaction tank
13.1 Mixing agitator Whipped form: spiral paddle is double-deck, N=1.5kW Stir shaft and blade steel lining glue Platform 3
13.2 PAC dosing tank PT-1000L, V=1000L, PE Platform 2
13.3 PAC stirrer JBJ-500,0.37kW SS304 Platform 2
13.4 PAC volume pump Q=50L/h, P=0.5MPa, N=0.25kW Compound Platform 4
13.5 The molten medicine groove of PAM PT-1000L, V=1000L, PE Platform 2
13.6 PAM stirrer JBJ-500,N=0.37kW SS304 Platform 2
13.7 PAM volume pump Q=50L/h, P=0.5MPa, N=0.25kw Compound Platform 4
14 Coagulative precipitation tank
14.1 Guide shell and reflector ��0.60m��H3.0m FRP Cover 1 10 -->
14.2 Effluent weir 21600mm��400mm��2mm SS304 Cover 1
14.3 Aisle plate support platform L0.8m��B5.4m Carbon steel is anticorrosion Cover 1
15 Ji Nichi
15.1 Pneumatic blending device Service area: 9m2/ cover 304 Cover 1
15.2 Sludge lifting pump Submersible sewage pump, Q=15m3/ h, H=12m, N=1.1kW, join automatic coupling device Cast iron Platform 2
16 Sludge thickener
16.1 Sludge condensation machine WNG-4.54, N=0.55kW Carbon steel is anticorrosion/SS304 under water Platform 1
16.2 Effluent weir 14000mm��400mm��2mm SS304 Cover 1
17 Dehydration machine room
17.1 Spiral pump G40-1, Q=3.3m3/ h, H=60m, N=1.5kW Compound Platform 2
17.2 Plate-and-frame filter press (suite of equipment) Filtration area: 200m2, hydraulic compression, mechanical pressure maintaining, automatic discharging Compound Cover 1
18 Air blast machine room
18.1 Root's blower Q=11.42m3/ min, �� Pa=68.6kPa, N=18.5kW Cast iron Platform 2
19 Advanced treatment part
19.1 Raw water pump Q=50t/h, H=36m, N=11kW, 1 is standby with 1 Cast iron Platform 2
19.2 Interchanger Tubular heat exchanger, refrigerant Q=50t/h, temperature rise 20 DEG C, joins automatic temperature-controlled variable valve, temperature change Send device 904L Platform 1
19.3 Flocculation agent chemicals dosing plant Batch meter: V=200L, containing low liquid level switch, joins batch meter agitator, and (1 with 1 for volume pump Standby): GM0010, Q=10L/h, H=120m, P=0.37kW Casing PE/ stirs SS316L/ pump head PVC Cover 1
19.4 Sterilant chemicals dosing plant Batch meter: V=200L, containing low liquid level switch, joins batch meter agitator, and (1 with 1 for volume pump Standby): GM0010, Q=10L/h, H=120m, P=0.37kW Casing PE/ stirs SS316L/ pump head PVC Cover 1
19.5 Line mixer DN100 PE/CS Platform 1
19.6 More medium filter DN2800,Q=42m3/ h, hard coal: particle diameter 0.8-1.6mm, thickness 400mm, V=4.0 m3Stone Sand: particle diameter 0.5-1.2mm, thickness 800mm, V=8.0 m3 Carbon steel line with rubber, outside surface anticorrosion Cover 2
19.7 More medium filter backwash water pump Q=265m3/h,H=20m,N=30kW Cast iron Platform 2
19.8 Roots blower Q=5.6m3/min,P=58KPa,N=15kW Cast iron Platform 1
19.9 Self-cleaning filter Filtering accuracy: 100 ��m, Q=47m3/h, Filter screen SS316L Platform 1
19.10 Ultra-filtration equipment Clean water production rate: Q=42t/h overlaps, the rate of recovery: 90%, hyperfiltration membrane assembly: SN-CUF-0860, 24, clean flux 43.8L/ h Cover 1
19.11 Hyperfiltration reverse-rinsing water pump Q=70t/h, H=25m, N=11kW, 1 is standby with 1, and distribution transforming is frequently Flow passage components SS316L Platform 2
19.12 Hyperfiltration reverse-rinsing strainer Y-type filter, DN125, filtering accuracy 100 ��m, Carbon steel line with rubber, outside surface anticorrosion Platform 1
19.13 Hydrochloric acid chemicals dosing plant Batch meter: V=200L, containing low liquid level switch, joins volume pump (1 is standby with 1): P+056, Q= 3.8L/h, H=76m, P=22W Casing PE/ pump head PVC Cover 1
19.14 Sodium carbonate chemicals dosing plant Batch meter: V=200L, containing low liquid level switch, joins volume pump (1 is standby with 1): P+096, Q= 15.1L/h, H=100m, P=22W Casing PE/ pump head PVC Cover 1
19.15 Non-oxide sterilant chemicals dosing plant Batch meter: V=200L, containing low liquid level switch, joins volume pump (1 is standby with 1): P+056, Q= 3.8L/h, H=76m, P=22W Casing PE/ pump head PVC Cover 1
19.16 Reverse osmosis booster pump Q=42t/h, H=32m, N=7.5kW, 1 is standby with 1 Flow passage components SS316L Platform 2
19.17 Scale inhibitors chemicals dosing plant Batch meter: V=200L, containing low liquid level switch, joins volume pump (1 is standby with 1): P+046, Q= 1.9L/h, H=172m, P=22W Casing PE/ pump head PVC Cover 1
19.18 Reductive agent chemicals dosing plant Batch meter: V=200L, containing low liquid level switch, joins volume pump (1 is standby with 1): P+046, Q= 1.9L/h, H=172m, P=22W Casing PE/ pump head PVC Cover 1
19.19 Line mixer DN100 PE/CS Platform 1
19.20 Security personnel's strainer DN350, vertical, join large discharge filter core: filtering accuracy 5 ��m, 2/platform SS316L/PP Platform 1
19.21 High-pressure pump Q=42t/h, H=170m, N=37kW, distribution transforming is frequently Flow passage components SS316L Platform 1
19.22 Reverse osmosis unit Q=27.3t/h overlaps, Re=65%, reverse-osmosis membrane element: BW30FR-400/34i, 42/ Cover, average permeant flux: 17.5LMH Cover 1
19.23 Waste water pump Q=15t/h, H=32m, N=3kW, 1 is standby with 1 Cast iron Platform 2
19.24 RO wash-water pump Q=36t/h,H=32m,N=5.5kW SS304 Platform 1
19.25 Chemically-cleaning device �� Cover 1
19.26 Technique pressurized air basin V=2m3, P=1.0MPa, supporting safety valve, wash water valve 16MnR Platform 1
19.27 Instrument compressed air basin V=1m3, P=1.0MPa, supporting safety valve, wash water valve, reducing valve 16MnR Platform 1
19.27 Other matching instruments, valve Supporting Cover 1
20 System installing material Supporting Batch 1
21 Electrical system Supporting Cover 1
22 Other systems Supporting spare parts, special tool, illumination, HVAC, plumbing, communication etc. Cover 1

Claims (8)

1. copper mine acid waste water process retrieving arrangement, is characterized in that comprising copper mine acid waste water treatment system (1), copper mine acid waste water advanced treatment system (2), copper mine acid waste water sludge treating system (3); The wherein water-in of copper mine spent acidic water pipe access copper mine acid waste water treatment system (1), the water-in of copper mine acid waste water advanced treatment system (2) is received in the water outlet of copper mine acid waste water treatment system (1), row's mud of copper mine acid waste water treatment system (1) receives the mud inlet of copper mine acid waste water sludge treating system (3), the water-in of copper mine acid waste water treatment system (1) is also received in the filtrate backflow of copper mine acid waste water sludge treating system (3), and copper mine acid waste water sludge treating system (3) is connected to mud cake outward transport B; The backwash backflow water of copper mine acid waste water advanced treatment system (2) receives the backflow water import of copper mine acid waste water treatment system (1), copper mine acid waste water advanced treatment system (2) is connected to recovery water pipe, and the strong brine of copper mine acid waste water advanced treatment system (2) is delivered to other copper mine sewerage disposing recover zero discharge system and is further processed.
2. copper mine acid waste water according to claim 1 process retrieving arrangement, it is characterized in that described copper mine acid waste water treatment system (1), the water-in of copper mine acid waste water equalizing tank is received in the filtrate backflow that its structure is copper mine acid waste water and copper mine acid waste water sludge treating system, the water outlet of copper mine acid waste water equalizing tank receives the water-in of pre-neutralization groove by equalizing tank lift pump, the medicine outlet of 1# Lime-Injecting equipment receives the feeding opening of pre-neutralization groove, the water outlet of pre-neutralization groove receives the water-in of one section of neutralizing well, lime and FeSO4The medicine outlet of adding equipment receives the feeding opening of one section of neutralizing well, the water outlet of one section of neutralizing well receives the water-in of stair oxidation reactive tank, 1# pressurized air receives the inlet mouth of stair oxidation reactive tank, the water outlet of stair oxidation reactive tank receives the water-in of one section of settling tank, the water outlet of one section of settling tank receives the water-in of two sections of neutralizing wells, the medicine outlet of 2# Lime-Injecting equipment receives the feeding opening of two sections of neutralizing wells, the water outlet of two sections of neutralizing wells receives the water-in of two sections of settling tanks, the water outlet of two sections of settling tanks receives the water-in of secondary oxidation reactive tank, the medicine outlet of clorox adding equipment receives the feeding opening of secondary oxidation reactive tank, the water outlet of secondary oxidation reactive tank receives the water-in of three sections of neutralizing wells, the medicine outlet of 3# Lime-Injecting equipment receives the feeding opening of three sections of neutralizing wells, the water outlet of three sections of neutralizing wells receives the water-in of three sections of settling tanks, the water outlet of three sections of settling tanks receives the water-in of pH regulator groove, the medicine outlet of acid adding equipment receives the feeding opening of pH regulator groove, the water outlet of pH regulator groove receives the water-in of electricity flocculation apparatus, the water outlet of electricity flocculation apparatus receives the water-in of intermediate pool, the water outlet of intermediate pool receives the water-in of flocculation tank by intermediate pool lift pump, the backwash backflow water of copper mine acid waste water advanced treatment system also receives the water-in of flocculation tank, PAC/PAM/Na2CO3The medicine outlet of adding equipment receives the feeding opening of flocculation tank, and the water outlet of flocculation tank receives the water-in of coagulative precipitation tank, and coagulative precipitation tank is connected to the process water outlet of copper mine acid waste water treatment system; The mud mouth of the mud mouth of one section of settling tank, the mud mouth of two sections of settling tanks, three sections of settling tanks, the electricity mud mouth of flocculation apparatus, the mud mouth of coagulative precipitation tank all receive row's mud of copper mine acid waste water treatment system.
3. copper mine acid waste water according to claim 1 process retrieving arrangement, it is characterized in that described copper mine acid waste water advanced treatment system, its structure is the water-in that the former pond of copper mine acid waste water advanced treatment is received in the process water outlet of copper mine acid waste water treatment system, the water outlet in the former pond of copper mine acid waste water advanced treatment receives the water-in of interchanger and the backwash water import of more medium filter respectively by advanced treatment lift pump and more medium filter backwashing pump, steam receives the steam inlet of interchanger, the water outlet of interchanger receives the water-in of more medium filter, the medicine outlet of PAC/ sterilant adding equipment also receives the water-in of more medium filter, roots blower go out the backwash blast inlet that more medium filter is received in air port, the water outlet of more medium filter receives the water-in of self-cleaning filter, the water outlet of self-cleaning filter receives the water-in of ultra-filtration equipment, the backwash water outlet of more medium filter, the self-stip water outlet of self-cleaning filter, the backwash water outlet of ultra-filtration equipment all receives the backwash backflow water of copper mine acid waste water advanced treatment system, 2# pressurized air receives the backwash inlet mouth of ultra-filtration equipment, the water outlet of ultra-filtration equipment receives the water-in that is produced from pond in ultrafiltration, the water outlet that is produced from pond in ultrafiltration receives the backwash water-in of ultra-filtration equipment and the water-in of security personnel's strainer respectively by hyperfiltration reverse-rinsing pump and reverse osmosis force (forcing) pump, the medicine outlet of acid/alkali/sterilant adding equipment also receives the backwash water-in of ultra-filtration equipment, the medicine outlet of Scale inhibitors/reductive agent adding equipment also receives the water-in of security personnel's strainer, the water outlet of security personnel's strainer receives the water-in of reverse osmosis unit by reverse osmosis high-pressure pump, the product water out of reverse osmosis unit receives the water-in in reverse osmosis produced pond, the water outlet in reverse osmosis produced pond is connected to reuse water by reuse water pump, the dense water out of reverse osmosis unit is connected to strong brine.
4. copper mine acid waste water according to claim 1 process retrieving arrangement, it is characterized in that described copper mine acid waste water sludge treating system (3), its structure is the mud inlet that row's mud of copper mine acid waste water treatment system receives Ji Nichi, the mud mouth of Ji Nichi receives the mud inlet of sludge thickener by sludge lifting pump, the mud mouth of sludge thickener receives the mud inlet of sludge filter press by mud pressurization spiral pump, the medicine outlet of PAM adding equipment also receives the mud inlet of sludge filter press, the supernatant liquor outlet of sludge thickener is connected to the filtrate backflow of copper mine acid waste water sludge treating system with the filtrate outlet of sludge filter press, sludge filter press is connected to mud cake outward transport.
5. copper mine acid waste water process recovery method as claimed in claim 1, is characterized in that comprising the steps:
(1) copper mine acid waste water process:
1) each stock acid waste water flows into acid waste water equalizing tank, the adjustment of water quality and quantity is carried out in equalizing tank, waste water after adjustment is by being pumped into acid waste water pre-neutralization groove, add in acid waste water pre-neutralization groove mass concentration be 10% milk of lime carry out in pH value and regulate, control pH is 3.8��4.2;
2) water outlet of acid waste water pre-neutralization groove enters one section of neutralizing well, milk of lime and ferrous sulfate that mass concentration is 1% is added in groove, control pH is 6.8��7.2, mixed solution flow to stair oxidation reactive tank, lead in groove and it is oxidized into air, be oxidized to pentavalent arsenic oxidation of ferrous iron to ferric iron, trivalent arsenic, then enter one section of settling tank precipitation, sludge from sedimentation tank enters Ji Nichi, and supernatant liquor enters two sections of neutralizing wells;
3) adding the milk of lime that mass concentration is 1% in two sections of neutralizing wells, control pH is 7.8��8.2, then enters two sections of settling tanks, and two sections of sludge from sedimentation tank enter Ji Nichi, and supernatant liquor enters secondary oxidation reactive tank;
4) adding clorox in secondary oxidation reactive tank to be oxidized, monovalence thallium is oxidized to trivalent thallium, carry out pneumatic blending simultaneously and prevent precipitation, water outlet enters three sections of neutralizing wells;
5) in three sections of neutralizing wells, the milk of lime that mass concentration is 1% is added, control pH is 8.8��9.2, then enters three sections of settling tank precipitations, and trivalent thallium can generate the thallic hydroxide throw out being insoluble in water in the basic conditions, sludge from sedimentation tank enters Ji Nichi, and supernatant liquor enters pH regulator pond;
6) adding acid in pH regulator pond, readjustment pH is to neutral, and then waste water enters electricity flocculation apparatus, and under the electric field action of electricity flocculation system, metal ion forms Zn (OH) further2, Pb (OH) throw out, the oxyhydroxide of precipitated metal thing and a small amount of meta-arsenous acid calcium and iron or aluminium forms wadding body gel and sinks, thus reaching the object of co-precipitation, calcium ions and magnesium ions concentration also reduces greatly simultaneously, solves the problem of purification system recycle-water fouling;
7) water outlet of electricity flocculation unit enters intermediate pool, is promoted to flocculation tank through pump, adds a small amount of Na in flocculation tank2CO3(10��70mg/L), PAC(20��80mg/L), PAM(0.5��4mg/L), through flocculation after sewage self-flowing enter coagulative precipitation tank;
8) in coagulative precipitation tank, making the precipitation of the flocs unit in sewage by gravity settling effect and remove, the precipitating sludge bottom coagulative precipitation tank enters Ji Nichi, and supernatant liquor then enters the former pond of advanced treatment;
(2) copper mine acid waste water advanced treatment:
Utilizing the former water lift pump of advanced treatment to pressurize successively by interchanger heating, more medium filter, self-cleaning filter, ultra-filtration filters, after filter, water enters ultrafiltration and produces water tank; Add PAC(10��50mg/L before more medium filter), NaClO(5��20mg/L), and regularly carry out air water backwash, ultrafiltration utilizes HCl, NaClO and air to carry out the online backwash in cycle; The backwash water of more medium filter, self-cleaning filter, ultrafiltration returns coagulation reaction tank reprocessing; Ultrafiltration is produced water and is entered reverse osmosis carry out desalting treatment through force (forcing) pump, security personnel's strainer, high-pressure pump, Scale inhibitors (2��4mg/L), reductive agent (1��5mg/L), non oxidizing bactericide (5��20mg/L) is added before security personnel's strainer, reverse osmosis produced Water Sproading, reverse osmosis concentrated water goes strong brine zero discharge treatment system;
(3) copper mine acid waste water sludge treatment:
One section of sludge from sedimentation tank, two sections of sludge from sedimentation tank, three sections of sludge from sedimentation tank, electricity flocculation apparatus row's mud, coagulative precipitation tank row's mud enter Ji Nichi, and collection is provided with stirring in mud pond, and each several part mud mixes in the dirty pond of collection and prevents mud from hardening; Mud in collection mud pond promotes through pump, enter sludge thickener to concentrate, reduce the water ratio of mud, equalizing tank is removed in supernatant liquor overflow, mud after concentrated pressurizes through spiral pump and adds PAM(1��5mg/L), sending into plate-and-frame filter press and carry out mechanical dehydration, the mud cake outward transport after dehydration, filtrate is then flowed back to equalizing tank and is re-started process.
6. copper mine acid waste water according to claim 5 process recovery method, it is characterized in that the copper mine acid waste water in described step (1) successively by copper mine acid waste water equalizing tank, equalizing tank lift pump, pre-neutralization groove, one section of neutralizing well, stair oxidation reactive tank, one section of settling tank, two sections of neutralizing wells, two sections of settling tanks, secondary oxidation reactive tank, three sections of neutralizing wells, three sections of settling tanks, pH regulator groove, electricity flocculation apparatus, intermediate pool, intermediate pool lift pump, flocculation tank, coagulative precipitation tank until the process water outlet of copper mine acid waste water treatment system; Wherein each stock acid waste water, comprises the filtrate backflow of copper mine acid waste water sludge treating system, carries out the adjustment of water quality and quantity in copper mine acid waste water equalizing tank, and send into acid waste water pre-neutralization groove by equalizing tank lift pump and process; Utilize in acid waste water pre-neutralization groove 1# Lime-Injecting equipment add mass concentration be 10% milk of lime carry out in pH value and regulate, control pH is 3.8��4.2; Lime and FeSO is utilized at one section of neutralizing well4Adding equipment adds milk of lime and the ferrous sulfate that mass concentration is 1%, and control pH is 6.8��7.2; Lead at stair oxidation reactive tank and it is oxidized into 1# pressurized air, be oxidized to pentavalent arsenic oxidation of ferrous iron to ferric iron, trivalent arsenic, then enter one section of settling tank; Precipitating at one section of settling tank, row's mud of one section of settling tank enters Ji Nichi, and supernatant liquor enters two sections of neutralizing wells; Utilizing 2# Lime-Injecting equipment to add the milk of lime that mass concentration is 1% at two sections of neutralizing wells, control pH is 7.8��8.2; Precipitating at two sections of settling tanks, the row mud G of two sections of settling tanks enters Ji Nichi, and supernatant liquor enters secondary oxidation reactive tank; Utilizing clorox adding equipment to add clorox at secondary oxidation reactive tank to be oxidized, monovalence thallium is oxidized to trivalent thallium, carry out pneumatic blending simultaneously and prevent precipitation, water outlet enters three sections of neutralizing wells; Utilizing 3# Lime-Injecting equipment to add the milk of lime that mass concentration is 1% at three sections of neutralizing wells, control pH is 8.8��9.2; Precipitating at three sections of settling tanks, trivalent thallium can generate the thallic hydroxide throw out being insoluble in water in the basic conditions, and row's mud of three sections of settling tanks enters Ji Nichi, and supernatant liquor enters pH regulator pond; Utilize acid adding equipment to add acid in pH regulator pond, readjustment pH is to neutral, and then waste water enters electricity flocculation apparatus; In electricity flocculation apparatus under the electric field action of electricity flocculation system, metal ion forms Zn (OH) further2��Pb(OH)2Throw out, the oxyhydroxide of precipitated metal thing and a small amount of meta-arsenous acid calcium and iron or aluminium forms wadding body gel and sinks, thus reaches the object of co-precipitation, and calcium ions and magnesium ions concentration reduces simultaneously, solves the problem of purification system reuse water fouling; Row's mud of electricity flocculation apparatus enters Ji Nichi, and the water outlet of electricity flocculation apparatus enters intermediate pool, is promoted to flocculation tank through pump, utilizes PAC/PAM/Na in flocculation tank2CO3Adding equipment adds a small amount of Na2CO3, PAC, PAM, through flocculation after sewage self-flowing enter coagulative precipitation tank; The backwash backflow water of copper mine acid waste water advanced treatment system also enters coagulative precipitation tank; In coagulative precipitation tank, making the precipitation of the flocs unit in sewage by gravity settling effect and remove, the row's mud bottom coagulative precipitation tank enters Ji Nichi, and supernatant liquor is the process water outlet of copper mine acid waste water treatment system.
7. copper mine acid waste water according to claim 5 process recovery method, is characterized in that the process water outlet of the copper mine acid waste water treatment system in described step (2) is connected in series through the former pond of copper mine acid waste water advanced treatment, advanced treatment lift pump, interchanger, more medium filter, self-cleaning filter, ultra-filtration equipment, ultrafiltration product pond, reverse osmosis force (forcing) pump, security personnel strainer, reverse osmosis high-pressure pump, reverse osmosis unit, reverse osmosis produced pond successively until reuse water pumps out reuse water; Wherein the process water outlet of copper mine acid waste water treatment system enters the former pond of copper mine acid waste water advanced treatment, being pressurizeed successively by interchanger heating, more medium filter, self-cleaning filter, ultrafiltration multi-filtering by advanced treatment lift pump, after filter, water enters ultrafiltration and produces water tank; Utilize steam heat exchanging device to heat, utilize PAC/ sterilant adding equipment to add PAC, NaClO before more medium filter, and regularly utilize more medium filter backwashing pump and roots blower that more medium filter MMF is carried out air water backwash; Ultrafiltration utilizes hyperfiltration reverse-rinsing pump, acid/alkali/sterilant adding equipment, 2# pressurized air that ultrafiltration carries out the online backwash in cycle of HCl, NaClO and air; The backwash water of more medium filter, self-cleaning filter, ultrafiltration returns coagulation reaction tank reprocessing; Ultrafiltration is produced the product water of the ultrafiltration in pond and is filtered through security personnel's strainer by the pressurization of reverse osmosis force (forcing) pump, and utilizes Scale inhibitors/reductive agent adding equipment to add Scale inhibitors, reductive agent, non oxidizing bactericide before strainer of ensuring public security; Entering reverse osmosis through reverse osmosis high-pressure pump again and carry out desalting treatment, reverse osmosis produced water sends reuse water by reverse osmosis produced pond, recovered water pump, and the dense water of reverse osmosis is strong brine and goes strong brine zero discharge treatment system.
8. copper mine acid waste water according to claim 5 process recovery method, it is characterized in that one section of settling tank of the copper mine acid waste water treatment system in described step (3), two sections of settling tanks, three sections of settling tanks, electricity flocculation apparatus, coagulative precipitation tank row's mud be connected in series through Ji Nichi, sludge lifting pump, sludge thickener, mud pressurization spiral pump, sludge filter press successively until the outward transport of output mud cake; Wherein collecting in mud pond and be provided with stirring, each several part mud mixes in the dirty pond of collection and prevents mud from hardening; Mud in collection mud pond promotes through sludge lifting pump, entering sludge thickener to concentrate, reduce the water ratio of mud, the mud after concentrated pressurizes through mud pressurization spiral pump and utilizes PAM adding equipment to add PAM, send into sludge filter press and carry out mechanical dehydration, after dehydration, send mud cake outward transport; The filtrate backflow that the supernatant liquor of sludge thickener and the filtrate of sludge filter press converge into copper mine acid waste water sludge treating system is then flowed back to equalizing tank and is re-started process.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106045139A (en) * 2016-06-17 2016-10-26 红板（江西）有限公司 Device and process for composite electrochemical reaction pretreatment and recycling of board surface cleaning water in circuit board industry
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CN107010751A (en) * 2017-04-01 2017-08-04 北京中科康仑环境科技研究院有限公司 A kind of integrated conduct method of high concentration arsenic-containing acid waste water
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100847444B1 (en) * 2007-01-29 2008-07-21 우정남 Method for neutralizing sulphuric acid waste water by using calcined dolomite
WO2010017652A1 (en) * 2008-08-11 2010-02-18 Hernandez Pavez Jose Octavio Process and system for separation, recycling and sustainable environmental stabilisation of acid effluents with arsenic (as) and/or heavy metals which form insoluble sulphides
CN102190385A (en) * 2010-09-28 2011-09-21 浙江浙大海元环境科技有限公司 Processing and recycling method of waste water discharged from stainless steel pickling process
CN104671496A (en) * 2015-01-19 2015-06-03 山东国信环境系统股份有限公司 Iron phosphate rinsing water recycling device and method
CN204625392U (en) * 2015-05-17 2015-09-09 上海济子医药科技有限公司 The treatment unit of acid-bearing wastewater
CN205061777U (en) * 2015-10-10 2016-03-02 麦王环境技术股份有限公司 Stainless steel pickling waste water treatment and resource recovery integrated equipment
CN205398320U (en) * 2016-03-07 2016-07-27 山东国信环境系统股份有限公司 Acid waste water treatment recovery unit of copper mine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100847444B1 (en) * 2007-01-29 2008-07-21 우정남 Method for neutralizing sulphuric acid waste water by using calcined dolomite
WO2010017652A1 (en) * 2008-08-11 2010-02-18 Hernandez Pavez Jose Octavio Process and system for separation, recycling and sustainable environmental stabilisation of acid effluents with arsenic (as) and/or heavy metals which form insoluble sulphides
CN102190385A (en) * 2010-09-28 2011-09-21 浙江浙大海元环境科技有限公司 Processing and recycling method of waste water discharged from stainless steel pickling process
CN104671496A (en) * 2015-01-19 2015-06-03 山东国信环境系统股份有限公司 Iron phosphate rinsing water recycling device and method
CN204625392U (en) * 2015-05-17 2015-09-09 上海济子医药科技有限公司 The treatment unit of acid-bearing wastewater
CN205061777U (en) * 2015-10-10 2016-03-02 麦王环境技术股份有限公司 Stainless steel pickling waste water treatment and resource recovery integrated equipment
CN205398320U (en) * 2016-03-07 2016-07-27 山东国信环境系统股份有限公司 Acid waste water treatment recovery unit of copper mine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李大海等: "小型冷轧钢厂酸洗废水处理设计", 《给水排水》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106045139A (en) * 2016-06-17 2016-10-26 红板（江西）有限公司 Device and process for composite electrochemical reaction pretreatment and recycling of board surface cleaning water in circuit board industry
CN106186457A (en) * 2016-07-30 2016-12-07 铜仁市万山区龙门山泉饮用水有限公司 A kind of method of Water warfare
CN108083486A (en) * 2016-11-23 2018-05-29 宝山钢铁股份有限公司 The method of ammonia nitrogen and COD in a kind of removal cold rolling acid waste water
CN108083486B (en) * 2016-11-23 2021-02-19 宝山钢铁股份有限公司 Method for removing ammonia nitrogen and COD (chemical oxygen demand) in cold rolling acidic wastewater
CN107010751A (en) * 2017-04-01 2017-08-04 北京中科康仑环境科技研究院有限公司 A kind of integrated conduct method of high concentration arsenic-containing acid waste water
CN107176711A (en) * 2017-04-20 2017-09-19 东北大学 The technique of copper in a kind of high efficiente callback high concentration berberine waste water
CN107176711B (en) * 2017-04-20 2020-10-16 东北大学 Process for efficiently recovering copper in high-concentration berberine wastewater
CN107417004A (en) * 2017-05-19 2017-12-01 北京中科康仑环境科技研究院有限公司 A kind of method of advanced treating acid waste water containing thallium
CN107337261A (en) * 2017-08-22 2017-11-10 嘉兴合益环境工程有限公司 A kind of method that processing calcium-magnesium-containing ion waste water is co-precipitated by ferrite
CN108947022A (en) * 2018-09-05 2018-12-07 汉源四环锌锗科技有限公司 A kind of technique for treating industrial wastewater
CN113445068A (en) * 2021-07-20 2021-09-28 氢电(杭州)科技有限公司 Water electrolysis device with purification function and water quality control method thereof

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