CN105585183B - Copper making sewerage disposing retracting device and Zero emission method - Google Patents
Copper making sewerage disposing retracting device and Zero emission method Download PDFInfo
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- CN105585183B CN105585183B CN201610126611.XA CN201610126611A CN105585183B CN 105585183 B CN105585183 B CN 105585183B CN 201610126611 A CN201610126611 A CN 201610126611A CN 105585183 B CN105585183 B CN 105585183B
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- 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
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Abstract
The present invention is Copper making sewerage disposing retracting device and Zero emission method, and retracting device structure includes pretreatment melded system（1）, level-one desalination processing system（2）, two level desalination processing system（3）, strong brine zero-discharge treatment system（4）；Copper making sewerage disposing recycles Zero emission method, includes the following steps：（1）Pretreatment softening；（2）Level-one removes salt treatment；（3）Two level removes salt treatment；（4）Strong brine zero discharge treatment.Advantages of the present invention：1. utilizing the hardness of water in lime, soda ash removal；2. using first-stage reverse osmosis, just one-step desalting, water outlet are mended to recirculated water；3. using two-pass reverse osmosis and the further desalination of electrodeionization, reach the requirement of demineralized water；4. using special reverse osmosis concentrated reduction and evaporating；5. being finally reached recycling water resource, the purpose of pollution and zero-emission is eliminated.
Description
Technical field
The present invention relates to Copper making sewerage disposing retracting device and Zero emission methods, belong to the skill of Industrial Wastewater Treatment
Art field.
Background technology
It will produce a large amount of middle water in Copper making production process, copper mine acid waste water processing system also will produce part height and contain
The reverse osmosis concentrated water of salt, water quality has higher calcium, magnesium, sodium, chlorine, nitrate anion, sulfate radical, heavy carbonic root plasma, higher
Total dissolved solid, a small amount of heavy metal ion and partial suspended thing and organic pollution, water is currently with traditional net
Change concentration technology, although can again can cause environmental pollution with water in recovery section, the concentrated water that can be discharged.Need new Copper making
Sewerage disposing reuse and zero-discharge technology should eliminate water pollution to reach, and preserve the ecological environment, and so that water obtains in Copper making
To the purpose of recycling.
Invention content
Proposed by the present invention is that a kind of Copper making sewerage disposing reuse and Zero emission device and its method, purpose are intended to profit
With pretreatment melded system, primary demineralixation system, two level desalting system, strong brine zero-discharge treatment system to water in Copper making into
Row treatment for reuse.The main water quality of water is in Copper making before processing：pH：6.5~9.5, TDS（Total dissolved solid）：1000~
6000mg/L, Ca2+（Calcium ion）：100~1000 mg/L, Mg2+（Magnesium ion）：40~500mg/L, Na+（Sodium ion）：40~
500mg/L, Cl-（Chlorion）：40~500mg/L, SO4 2-（Sulfate radical）：200~2500mg/L, HCO3 -（Bicarbonate radical）：200
~3000mg/L, NO3 2-（Nitrate anion）：30~300mg/L.Water is filled through the reuse of Copper making sewerage disposing and zero-emission in Copper making
After setting processing, the requirement of desalted water is fully achieved in two level desalting system production water, and Desalting Water System producing water water quality is：Conductivity≤
0.2μs/cm(25℃)、SiO2The μ g/L of content≤20；And the water outlet of level-one DW system demineralized water system can be used as circulating cooling make-up water, water
Matter index is 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 the complete treatment for reuse of water in Copper making, reach and eliminate water dirt
Dye, and water-saving purpose.
Technical solution of the invention：Copper making sewerage disposing retracting device, structure include pretreatment melded system
（1）, level-one desalination processing system（2）, two level desalination processing system（3）, strong brine zero-discharge treatment system（4）；Wherein copper smelting
Water pipe A is connected to pretreatment melded system in refining（1）Water inlet, pre-process melded system（1）Water outlet G be connected at level-one desalination
Reason system（2）Water inlet, pre-process melded system（1）Mud mouth discharge pretreatment softening sludge B（Decontamination water treatment station）,
Level-one desalination processing system（2）Level-one demineralized water H be connected to two level desalination processing system（3）Water inlet send out level-one simultaneously and remove
Saltwater replenishment recirculated water E1, level-one desalination processing system（2）Concentrated water J be connected to strong brine zero-discharge treatment system（4）Water inlet
Mouthful, two level desalination processing system（3）Concentrate recirculation I be connected to pretreatment melded system（1）Reflux water inlet, at two level desalination
Reason system（3）Water outlet send out demineralized water D, strong brine zero-discharge treatment system（4）Water outlet send out supplement recirculated water E2,
Strong brine zero-discharge treatment system（4）Salt outlet send out abraum salt F, strong brine zero-discharge treatment system（4）Mud mouth send out
Strong brine zero-discharge treatment system sludge C（Decontamination water treatment station）.
Copper making sewerage disposing recycles Zero emission method, includes the following steps：
（1）Pretreatment softening；
（2）Level-one removes salt treatment；
（3）Two level removes salt treatment；
（4）Strong brine zero discharge treatment.
The present invention utilizes pretreatment melded system, level-one desalination processing system, two level desalination processing system, strong brine zero-emission
Water in processing system processing Copper making is put, pollutant and salt are removed, by level-one desalination effluent reuse to recirculated water, two level desalination
Water outlet meets the requirement of demineralized water.
Advantages of the present invention：
1. utilizing the hardness of water in lime, soda ash removal；
2. using first-stage reverse osmosis, just one-step desalting, water outlet are mended to recirculated water；
3. using two-pass reverse osmosis and the further desalination of electrodeionization, reach the requirement of demineralized water；
4. using special reverse osmosis concentrated reduction and evaporating；
5. being finally reached recycling water resource, the purpose of pollution and zero-emission is eliminated.
Description of the drawings
Attached drawing 1 is the general structure schematic diagram of Copper making sewerage disposing reuse Zero emission device.
Attached drawing 2 is the pretreatment melded system structural schematic diagram of Copper making sewerage disposing reuse Zero emission device.
Attached drawing 3 is the primary demineralixation system and two level desalting system knot of Copper making sewerage disposing reuse Zero emission device
Structure schematic diagram.
Attached drawing 4 is the strong brine zero-discharge treatment system structural schematic diagram of Copper making sewerage disposing reuse Zero emission device.
Attached drawing 5 is the process flow diagram of Copper making sewerage disposing reuse Zero emission device embodiment.
SPT in attached drawing indicates pretreatment melded system（1）、DS1Indicate level-one desalination processing system（2）、DS2Indicate two
Grade desalination processing system（3）, CWZLD indicate strong brine zero-discharge treatment system（4）；A indicates that water in Copper making, B indicate pre- place
Reason softening sludge（Decontamination water treatment station）, C indicate strong brine zero-discharge treatment system sludge（Decontamination water treatment station）, D expression remove
Brine, E1Indicate level-one demineralized water supplement recirculated water, E2Indicate production water supplement recirculated water, the F tables of strong brine zero-discharge treatment system
Show that abraum salt, G indicate that the water outlet of pretreatment melded system, H indicate that the level-one demineralized water of primary demineralixation system, I indicate two level desalination
Concentrate recirculation, the J of system indicate the concentrated water of primary demineralixation system；T1Indicate raw water box（1-1）、T2Indicate filtered water tank（1-3）、T3
Indicate ultrafiltration water producing tank（1-7）、T4Indicate first-stage reverse osmosis concentrated water case（2-3）、T5Indicate level-one sweet-water tank（2-6）、T6It indicates
Two-pass reverse osmosis water producing tank（3-3）、T7Indicate sweet-water tank（3-6）、T8Indicate the reverse osmosis concentrated water tank of strong brine（4-5）、T9It indicates
Strong brine zero-discharge treatment system water producing tank（4-4）；D1Indicate Ca (OH)2/Na2CO3/ PAC/PAM/ fungicide throwing devices（1-
8）、D2Indicate HCl throwing devices（1-9）、D3Indicate ultrafiltration on-line cleaning chemicals dosing plant（1-10）、D4Indicate reducing agent/scale inhibition
Agent/non-oxidative antimicrobial throwing device（2-7）、D5Indicate scale inhibitor feeding device（2-8）、D6Indicate NaOH throwing devices（3-
7）、D7Indicate Ca (OH)2/ Na2CO3/ Polyferric Sulfate/fungicide throwing device（4-9）、D8Indicate HCl/ antisludging agents/non-oxidative antimicrobial
Throwing device（4-10）、D9Indicate antisludging agent/non-oxidative antimicrobial throwing device（4-11）；P1Indicate raw water pump（1-11）、P2Table
Show high efficiency particulate air filter feed pump（1-12）、P3Indicate high efficiency particulate air filter backwash water pump（1-13）、P4Indicate first-stage reverse osmosis feed pump
（1-16）、P5Indicate hyperfiltration reverse-rinsing water pump（1-17）、P6Indicate first-stage reverse osmosis high-pressure pump（2-9）、P7It indicates that concentrated water is reverse osmosis to give
Water pump（2-10）、P8Indicate concentrated water reverse osmosis high-pressure pump（2-11）、P9Indicate two-pass reverse osmosis feed pump（2-12）、P10Indicate one
Grade demineralized water circulating cooling make-up water pump（2-13）、P11Indicate two-pass reverse osmosis high-pressure pump（3-8）、P12Indicate EDI feed pumps（3-9）、
P13Indicate desalination water pump（3-10）、P14Indicate strong brine reverse osmosis feedwater pump（4-12）、P15Indicate strong brine reverse osmosis high-pressure pump
（4-13）、P16Indicate STRO feed pumps（4-15）、P17Indicate STRO high-pressure pumps（4-16）、P18Indicate strong brine zero discharge treatment
Produce water circulating cooling make-up water pump（4-14）；B1Indicate high efficiency particulate air filter backwash wind turbine（1-14）、B2Indicate hyperfiltration reverse-rinsing wind turbine（1-
15）；SAF1Indicate first-stage reverse osmosis cartridge filter（2-1）、SAF2Indicate concentrated water reverse osmosis cartridge filter（2-4）、SAF3Table
Show two-pass reverse osmosis cartridge filter（3-1）、SAF4Indicate EDI cartridge filters（3-4）、SAF5Indicate the reverse osmosis guarantor of strong brine
Pacify filter（4-2）、SAF6Indicate STRO cartridge filters（4-6）；MCT indicates accelerator（1-2）, HEF indicate
High efficiency particulate air filter（1-4）, DCF indicate 100 microns of disc-type filters（1-5）, UF indicate ultrafiltration apparatus（1-6）、RO1Indicate one
Grade reverse osmosis unit（2-2）、ROCIndicate concentrated water reverse osmosis unit（2-5）、RO2Indicate second level reverse osmosis apparatus（3-2）, EDI tables
Show electric deionizer（3-5）, DFS indicate DF film softening plants（4-1）, CWRO indicate strong brine reverse osmosis unit（4-3）、
STRO indicates ductwork type reverse osmosis unit（4-7）, ZF indicate vaporising device（4-8）.
Specific implementation mode
Attached drawing 1, Copper making sewerage disposing retracting device are compareed, structure includes pretreatment melded system（1）, level-one desalination
Processing system（2）, two level desalination processing system（3）, strong brine zero-discharge treatment system（4）；Wherein water pipe A is connected in Copper making
Pre-process melded system（1）Water inlet, pre-process melded system（1）Water outlet G be connected to level-one desalination processing system（2）Into
The mouth of a river pre-processes melded system（1）Mud mouth discharge pretreatment softening sludge B（Decontamination water treatment station）, level-one is except salt treatment
System（2）Level-one demineralized water H be connected to two level desalination processing system（3）Water inlet simultaneously be connected to level-one demineralized water supplement cycle
Water E1, level-one desalination processing system（2）Concentrated water J be connected to strong brine zero-discharge treatment system（4）Water inlet, at two level desalination
Reason system（3）Concentrate recirculation I be connected to pretreatment melded system（1）Reflux water inlet, two level desalination processing system（3）Go out
Send out demineralized water D, strong brine zero-discharge treatment system in the mouth of a river（4）Water outlet send out supplement recirculated water E2, strong brine zero-emission
Processing system（4）Salt outlet send out abraum salt F, strong brine zero-discharge treatment system（4）Mud mouth send out strong brine zero-emission
Processing system sludge C（Decontamination water treatment station）.
Attached drawing 2 is compareed, melded system is pre-processed（1）, structure includes raw water box（1-1）, accelerator（1-
2）, filtered water tank（1-3）, high efficiency particulate air filter（1-4）, 100 microns of disc-type filters（1-5）, ultrafiltration apparatus（1-6）, ultrafiltration production
Water tank（1-7）、Ca(OH)2/Na2CO3/ PAC/PAM/ fungicide throwing devices（1-8）, HCl throwing devices（1-9）, ultrafiltration it is online
Clean chemicals dosing plant（1-10）, raw water pump（1-11）, high efficiency particulate air filter feed pump（1-12）, high efficiency particulate air filter backwash water pump（1-
13）, high efficiency particulate air filter backwash wind turbine（1-14）, hyperfiltration reverse-rinsing wind turbine（1-15）, first-stage reverse osmosis feed pump（1-16）, ultrafiltration it is anti-
Wash water pumps（1-17）；Wherein water pipe A is connected to raw water box in Copper making（1-1）Water inlet, raw water box（1-1）Water outlet pass through
Raw water pump（1-11）It is connected to accelerator（1-2）Water inlet, Ca (OH)2/Na2CO3/ PAC/PAM/ fungicide adds
Device（1-8）Dosing outlet be also coupled to accelerator（1-2）Water inlet, accelerator（1-2）Row
Mud mouth discharge pretreatment softening sludge B（Decontamination water treatment station）, accelerator（1-2）Water outlet be connected to filtered water tank
（1-3）Water inlet, filtered water tank（1-3）Water outlet pass through high efficiency particulate air filter feed pump（1-12）It is connected to high efficiency particulate air filter（1-
4）Water inlet, filtered water tank（1-3）Water outlet also by high efficiency particulate air filter backwash water pump（1-13）It is connected to high efficiency particulate air filter（1-
4）Backwash water inlet, HCl throwing devices（1-9）Medicine outlet be also coupled to high efficiency particulate air filter（1-4）Water inlet, high efficiency filter
Device backwash wind turbine（1-14）Air outlet be connected to high efficiency particulate air filter（1-4）Backwash air inlet, high efficiency particulate air filter（1-4）Water outlet
Mouth is connected to 100 microns of disc-type filters（1-5）Water inlet, 100 microns of disc-type filters（1-5）Water outlet be connected to it is super
Filter device（1-6）Water inlet, ultrafiltration apparatus（1-6）Water outlet be connected to ultrafiltration water producing tank（1-7）Water inlet, two level desalination
The concentrate recirculation I of system is connected to ultrafiltration water producing tank（1-7）Recirculation water water inlet, ultrafiltration water producing tank（1-7）Water outlet pass through
First-stage reverse osmosis feed pump（1-16）Send out the water outlet G of pretreatment melded system, ultrafiltration water producing tank（1-7）Water outlet also by
Hyperfiltration reverse-rinsing water pump（1-17）It is connected to ultrafiltration apparatus（1-6）Backwash water inlet, ultrafiltration on-line cleaning chemicals dosing plant（1-10）'s
Medicine outlet is also coupled to ultrafiltration apparatus（1-6）Backwash water inlet, hyperfiltration reverse-rinsing wind turbine（1-15）Air outlet be connected to ultrafiltration apparatus
（1-6）Backwash air inlet, high efficiency particulate air filter（1-4）Backwash discharge outlet, 100 microns of disc-type filters（1-5）Backwash
Discharge outlet and ultrafiltration apparatus（1-6）Backwash discharge outlet be all connected to raw water box（1-1）Reflux water inlet.
Compare attached drawing 3, level-one desalination processing system（2）, structure includes first-stage reverse osmosis cartridge filter（2-1）, one
Grade reverse osmosis unit（2-2）, first-stage reverse osmosis concentrated water case（2-3）, concentrated water reverse osmosis cartridge filter（2-4）, concentrated water it is reverse osmosis
Device（2-5）, level-one sweet-water tank（2-6）, reducing agent/antisludging agent/non-oxidative antimicrobial throwing device（2-7）, antisludging agent throw
Feeder apparatus（2-8）, first-stage reverse osmosis high-pressure pump（2-9）, concentrated water reverse osmosis feedwater pump（2-10）, concentrated water reverse osmosis high-pressure pump（2-
11）, two-pass reverse osmosis feed pump（2-12）, level-one demineralized water circulating cooling make-up water pump（2-13）；
Two level desalination processing system（3）, structure includes two-pass reverse osmosis cartridge filter（3-1）, two-pass reverse osmosis dress
It sets（3-2）, two-pass reverse osmosis water producing tank（3-3）, EDI cartridge filters（3-4）, electric deionizer（3-5）, sweet-water tank
（3-6）, NaOH throwing devices（3-7）, two-pass reverse osmosis high-pressure pump（3-8）, EDI feed pumps（3-9）, desalination water pump（3-10）；
The outlet pipe G of wherein pretreatment system is connected to first-stage reverse osmosis cartridge filter（2-1）Water inlet, reducing agent/antisludging agent/non-
Oxidizing biocide throwing device（2-7）Medicine outlet be also coupled to first-stage reverse osmosis cartridge filter（2-1）Water inlet, level-one is anti-
Permeate cartridge filter（2-1）Water outlet pass through first-stage reverse osmosis high-pressure pump（2-9）It is connected to first-stage reverse osmosis device（2-2）'s
Water inlet, first-stage reverse osmosis device（2-2）Production water out be connected to level-one sweet-water tank（2-6）2# water inlets, level-one reverse osmosis
Saturating device（2-2）Concentrated water outlet be connected to first-stage reverse osmosis concentrated water case（2-3）Water inlet, first-stage reverse osmosis concentrated water case（2-3）
Water outlet pass through concentrated water reverse osmosis feedwater pump（2-10）It is connected to concentrated water reverse osmosis cartridge filter（2-4）Water inlet, scale inhibition
Agent throwing device（2-8）Medicine outlet be also coupled to concentrated water reverse osmosis cartridge filter（2-4）Water inlet, concentrated water reverse osmosis cartridge
Filter（2-4）Water outlet pumped by concentrated water reverse osmosis high-pressure（2-11）It is connected to concentrated water reverse osmosis unit（2-5）Water inlet,
Concentrated water reverse osmosis unit（2-5）Production water out be connected to level-one sweet-water tank（2-6）1# water inlets, concentrated water reverse osmosis unit
（2-5）Concentrated water outlet send out primary demineralixation system concentrated water J, level-one sweet-water tank（2-6）Water outlet pass through level-one desalination
Water circulating cooling make-up water pumps（2-13）Send out level-one demineralized water supplement recirculated water E1；Level-one sweet-water tank（2-6）Water outlet also lead to
Cross two-pass reverse osmosis feed pump（2-12）It is connected to two-pass reverse osmosis cartridge filter（3-1）Water inlet, NaOH throwing devices（3-
7）Medicine outlet be also coupled to two-pass reverse osmosis cartridge filter（3-1）Water inlet, two-pass reverse osmosis cartridge filter（3-1）'s
Water outlet passes through two-pass reverse osmosis high-pressure pump（3-8）It is connected to second level reverse osmosis apparatus（3-2）Water inlet, second level reverse osmosis apparatus
（3-2）Production water out be connected to two-pass reverse osmosis water producing tank（3-3）Water inlet, two-pass reverse osmosis water producing tank（3-3）Water outlet
Mouth passes through EDI feed pumps（3-9）It is connected to EDI cartridge filters（3-4）Water inlet, EDI cartridge filters（3-4）Water outlet
It is connected to electric deionizer（3-5）Water inlet, second level reverse osmosis apparatus（3-2）Concentrated water outlet and electric deionizer（3-
5）Concentrated water outlet send out two level desalting system concentrate recirculation I, electric deionizer（3-5）Production water out be connected to demineralized water
Case（3-6）Water inlet, sweet-water tank（3-6）Water outlet pass through desalination water pump（3-10）Send out demineralized water D.
Compare attached drawing 4, strong brine zero-discharge treatment system（4）, structure includes DF film softening plants（4-1）, strong brine
Reverse osmosis cartridge filter（4-2）, strong brine reverse osmosis unit（4-3）, strong brine zero-discharge treatment system water producing tank（4-4）、
The reverse osmosis concentrated water tank of strong brine（4-5）, STRO cartridge filters（4-6）, ductwork type reverse osmosis unit（4-7）, vaporising device（4-
8）、Ca(OH)2/ Na2CO3/ Polyferric Sulfate/fungicide throwing device（4-9）, HCl/ antisludging agents/non-oxidative antimicrobial throwing device（4-
10）, antisludging agent/non-oxidative antimicrobial throwing device（4-11）, strong brine reverse osmosis feedwater pump（4-12）, the reverse osmosis height of strong brine
Press pump（4-13）, strong brine zero discharge treatment production water circulating cooling make-up water pump（4-14）, STRO feed pumps（4-15）, STRO high-pressure pumps
（4-16）；The concentrated water pipe J of wherein primary demineralixation system is connected to DF film softening plants（4-1）Water inlet, Ca (OH)2/ Na2CO3/
Polyferric Sulfate/fungicide throwing device（4-9）Medicine outlet be also coupled to DF film softening plants（4-1）Water inlet, DF film softening plants
（4-1）Mud discharging mouth send out strong brine zero-discharge treatment system sludge C（Decontamination water treatment station）, DF film softening plants（4-1）'s
Water outlet passes through strong brine reverse osmosis feedwater pump（4-12）It is connected to strong brine reverse osmosis cartridge filter（4-2）Water inlet,
HCl/ antisludging agents/non-oxidative antimicrobial throwing device（4-10）Medicine outlet be also coupled to strong brine reverse osmosis cartridge filter（4-
2）Water inlet, strong brine reverse osmosis cartridge filter（4-2）Water outlet pumped by strong brine reverse osmosis high-pressure（4-13）It connects
To strong brine reverse osmosis unit（4-3）Water inlet, strong brine reverse osmosis unit（4-3）Production water out be connected to strong brine zero-emission
Put processing system water producing tank（4-4）Water inlet, strong brine zero-discharge treatment system water producing tank（4-4）Water outlet pass through dense salt
Water zero discharge processing production water circulating cooling make-up water pump（4-14）Send out the production water supplement recirculated water E of strong brine zero-discharge treatment system2,
Strong brine reverse osmosis unit（4-3）Concentrated water outlet be connected to the reverse osmosis concentrated water tank of strong brine（4-5）Water inlet, strong brine reverse osmosis
Saturating concentrated water case（4-5）Water outlet pass through STRO feed pumps（4-15）It is connected to STRO cartridge filters（4-6）Water inlet, scale inhibition
Agent/non-oxidative antimicrobial throwing device（4-11）Medicine outlet be also coupled to STRO cartridge filters（4-6）Water inlet, STRO protect
Pacify filter（4-6）Water outlet pass through STRO high-pressure pumps（4-16）It is connected to ductwork type reverse osmosis unit（4-7）Water inlet, pipe
Net formula reverse osmosis unit（4-7）Concentrated water outlet be connected to vaporising device（4-8）Water inlet, ductwork type reverse osmosis unit（4-7）
Production water out and vaporising device（4-8）Condensate outlet be also coupled to strong brine zero-discharge treatment system water producing tank（4-4）'s
Water inlet, vaporising device（4-8）Salt outlet send out abraum salt F.
Copper making sewerage disposing recycles Zero emission method, includes the following steps：
（1）Pretreatment softening：The milk of lime of mass concentration 5~10% is added in water in Copper making（200~1000mg/
L）, mass concentration 5~10% soda ash（200~800mg/L）, flocculant（20~80mg/L）And fungicide（20~70mg/L）
Sofening treatment is carried out, by precipitation, multistage filtering discharge pretreatment softening sludge, softens hardness leakage≤1.0mmol/ of water outlet
L, in favor of subsequent desalination, concentration, evaporation process；
（2）Level-one removes salt treatment：The water outlet of pretreatment melded system passes through first-stage reverse osmosis device, the rate of recovery：60~75%
Preliminary desalination is carried out, and utilizes concentrated water reverse osmosis unit, the rate of recovery：55~70%, the concentrated water of first-stage reverse osmosis device is carried out just
Desalination is walked, to improve the rate of recovery 82~92.5% of entire single stage desalting water, level-one salt water quality is better than《Industrial cycle cools down
Water process design specification》、GB50050-2007）6.1.3 Standard of reclaimed water（Wherein pH：7.0~8.5, Cl-﹤ 250mg/L,
TDS ﹤ 1000mg/L）, as the raw water of circulating cooling make-up water and two level desalination processing system, the concentrated water of primary demineralixation system is sent to dense
Brine zero-discharge treatment system is handled；
（3）Two level removes salt treatment：Level-one demineralized water passes through the second level reverse osmosis apparatus rate of recovery：85~95%, further take off
Then salt carries out advanced desalination, the concentrated water return of second level reverse osmosis apparatus and electric deionizer by electric deionizer again
Pretreatment melded system is handled again；The production water of electric deionizer fullys meet the requirement of desalted water, Desalting Water System production
Water water quality is：The μ s/cm (25 DEG C) of conductivity≤0.2, SiO2The μ g/L of content≤20；
（4）Strong brine zero discharge treatment：The concentrated water of primary demineralixation system enters DF film softening plants, dense by adding quality
The milk of lime of degree 5~10%（400~1200mg/L）, mass concentration 5~10% soda ash（100~500mg/L）, flocculant（20
~80mg/L）, fungicide（20~70mg/L）, sofening treatment is carried out, thickened sludge sends to Sewage Disposal processing, softening
Strong brine reverse osmosis unit, the rate of recovery are passed through in water outlet：50~70% concentration is 50~70 kg/cm using pressure2Pipe network
Formula reverse osmosis unit, the rate of recovery：60~80%, further depth concentration, the dope of ductwork type reverse osmosis unit is through vaporising device ZF
It is evaporated, output abraum salt F；The production water of strong brine reverse osmosis unit, the production water and vaporising device ZF of ductwork type reverse osmosis unit
The water quality of condensed water be better than《Code for design of industrial recirculating cooling water treatment》（GB50050 -2007）6.1.3 recycled water water quality
Standard（Wherein pH：7.0~8.5, Cl-﹤ 250mg/L, TDS ﹤ 1000mg/L）, it is back to recirculated water.
The step（1）Water is by pre-processing melded system SPT in Copper making, and specifically water A leads to successively in Copper making
Cross raw water box T1, raw water pump P1, accelerator MCT, filtered water tank T2, high efficiency particulate air filter feed pump P2, high efficiency particulate air filter
HEF, 100 microns of disc-type filter DCF, ultrafiltration apparatus UF, ultrafiltration water producing tank T3, first-stage reverse osmosis feed pump P4Until sending out
Pre-process the water outlet G of melded system；Water A and high efficiency particulate air filter HEF wherein in Copper making, 100 microns of disc-type filter DCF,
The backwash water of ultrafiltration apparatus UF is in raw water box T1Middle mixing carries out the adjusting of water quality and quantity, and by raw water pump P1It is sent into mechanical agitation
Clarifying basin MCT carries out sofening treatment；Ca (OH) is utilized in accelerator MCT2/Na2CO3/ PAC/ PAM/ fungicide is thrown
Feeder apparatus D1Feeding lime breast（Concentration 5~10%）, soda ash（Concentration 5~10%）, PAC, PAM and fungicide, utilize lime, soda ash
After softening precipitation process, water outlet hardness leakage≤1.0mmol/L of accelerator MCT, and it is dirty that pretreatment softening is discharged
Mud B（Decontamination water treatment station）；The water outlet of accelerator MCT enters filtered water tank T2, through high efficiency particulate air filter feed pump P2Pressurization
Multipole filtering successively is carried out by high efficiency particulate air filter HEF, 100 microns of disc-type filter DCF, ultrafiltration apparatus UF, filters out machinery
Enter ultrafiltration water producing tank T after stirring the particulate matter in clarifying basin MCT water outlets3, the concentrate recirculation I of two level desalting system is also into the excess of imports
Filter water producing tank T3, and through first-stage reverse osmosis feed pump P4Send out the water outlet G of pretreatment melded system；Due to accelerator
The pH of MCT water outlets is 10~11, and HCl throwing devices D is utilized before high efficiency particulate air filter HEF2Hydrochloric acid is added by pH readjustments to 7.5
~8.5, high efficiency particulate air filter HEF utilize high efficiency particulate air filter backwash water pump P3With high efficiency particulate air filter backwash wind turbine B1Periodically carry out air water
Backwash；Ultrafiltration apparatus UF utilizes hyperfiltration reverse-rinsing wind turbine B2, hyperfiltration reverse-rinsing water pump P5With ultrafiltration on-line cleaning chemicals dosing plant D3Periodically into
The online dosing chemistry air water backwash of row；The backwash of high efficiency particulate air filter HEF, 100 microns of disc-type filters DCF, ultrafiltration apparatus UF
Draining returns to raw water box T1Again it handles.
The step（2）The water outlet of pretreatment melded system passes through level-one desalination processing system DS1, specifically pre-process
The water outlet G of melded system passes sequentially through first-stage reverse osmosis cartridge filter SAF1, first-stage reverse osmosis high-pressure pump P6, first-stage reverse osmosis
Device RO1, first-stage reverse osmosis concentrated water case T4, concentrated water reverse osmosis feedwater pump P7, concentrated water reverse osmosis cartridge filter SAF2, concentrated water it is anti-
Permeate high-pressure pump P8, concentrated water reverse osmosis unit ROC, level-one sweet-water tank T5, until level-one demineralized water circulating cooling make-up water pumps P10It sends out
Level-one demineralized water supplements recirculated water E1；The water outlet G of wherein pretreatment melded system passes through first-stage reverse osmosis cartridge filter SAF1It crosses
Filter is to first-stage reverse osmosis device RO1It is protected, while passing through reducing agent/antisludging agent/non-oxidative antimicrobial throwing device D4It adds
Reducing agent, antisludging agent, non-oxidative antimicrobial further protect first-stage reverse osmosis device RO1, then through first-stage reverse osmosis high-pressure pump P6Add
High pressure（Pressure：10~15 kg/cm2）, utilize first-stage reverse osmosis device RO1（The rate of recovery：60~75%）It carries out at preliminary desalination
Reason, first-stage reverse osmosis device RO1Production water enter level-one sweet-water tank T5；First-stage reverse osmosis device RO1Concentrated water to enter level-one anti-
Permeate concentrated water case T4, and by concentrated water reverse osmosis feedwater pump P7Pressurization, by concentrated water reverse osmosis cartridge filter SAF2Filtering is to concentrated water
Reverse osmosis unit ROCIt is protected, while passing through scale inhibitor feeding device D5Antisludging agent is added to concentrated water reverse osmosis unit ROCAdd
With protection, P is pumped using concentrated water reverse osmosis high-pressure8It adds high pressure（Pressure：11~20 kg/cm2）, utilize concentrated water reverse osmosis unit
ROC（The rate of recovery：55~70%）Preliminary desalting processing is carried out, to improve the rate of recovery of entire single stage desalting water（It can reach 82~
92.5%）, concentrated water reverse osmosis unit ROCConcentrated water be primary demineralixation system concentrated water J, be sent to strong brine zero discharge treatment system
System CWZLD processing；Concentrated water reverse osmosis unit ROCProduction water also enter level-one sweet-water tank T5, as level-one demineralized water,
Water quality is 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）, part primary demineralized water utilize two-pass reverse osmosis feed pump P9It is sent to two
Grade desalination processing system DS2Produce demineralized water；Rest part level-one demineralized water pumps P using level-one demineralized water circulating cooling make-up water10It send
Go out level-one demineralized water supplement recirculated water E1。
The step（3）Level-one demineralized water passes through two level desalination processing system DS2, specifically level-one demineralized water leads to successively
Cross two-pass reverse osmosis cartridge filter SAF3, two-pass reverse osmosis high-pressure pump P11, second level reverse osmosis apparatus RO2, two-pass reverse osmosis production
Water tank T6, EDI feed pumps P12, EDI cartridge filters SAF4, electric deionizer EDI, sweet-water tank T7, until desalination water pump
P13Send out demineralized water D；Wherein level-one demineralized water passes through two-pass reverse osmosis cartridge filter SAF3Filtering is to protect two-pass reverse osmosis
Device RO2, while utilizing NaOH throwing devices D6It adds NaOH and improves pH, pass through two-pass reverse osmosis high-pressure pump P11It adds high pressure（Pressure
Power：10~15 kg/cm2）, utilize second level reverse osmosis apparatus RO2（The rate of recovery：85~95%）Further desalination, two-pass reverse osmosis dress
Set RO2Production water enter two-pass reverse osmosis water producing tank T6, by EDI feed pumps P12Pressurization, passes through EDI cartridge filters SAF4It crosses
Filter carries out advanced desalination to protect electric deionizer EDI, by electric deionizer EDI；Second level reverse osmosis apparatus RO2It is dense
The concentrated water of water and electric deionizer EDI are that the concentrate recirculation I of two level desalting system returns to pretreatment melded system SPT again
Processing；The production water of electric deionizer EDI fullys meet the requirement of desalted water, and Desalting Water System producing water water quality is：Conductivity
≤0.2μs/cm(25℃)、SiO2The μ g/L of content≤20, the production water of electric deionizer EDI enter sweet-water tank T7, utilize desalination
Water pump P13Send out demineralized water D.
The step（4）The concentrated water J of primary demineralixation system is by strong brine zero-discharge treatment system CWZLD, specifically
The concentrated water J of primary demineralixation system passes sequentially through DF film softening plants DFS, strong brine reverse osmosis feedwater pump P14, strong brine it is reverse osmosis
Cartridge filter SAF5, strong brine reverse osmosis high-pressure pump P15, strong brine reverse osmosis unit CWRO, the reverse osmosis concentrated water tank of strong brine
T8, STRO feed pumps P16, STRO cartridge filters SAF6, STRO high-pressure pumps P17, ductwork type reverse osmosis unit STRO, vaporising device
ZF, until send out abraum salt F；The concentrated water J of wherein primary demineralixation system enters DF film softening plant DFS, passes through Ca (OH)2/
Na2CO3/ Polyferric Sulfate/fungicide throwing device D7Feeding lime breast（Concentration 5~10%）, soda ash（Concentration 5~10%）, flocculant, kill
Microbial inoculum carries out sofening treatment, sends out strong brine zero-discharge treatment system sludge C（Decontamination water treatment station）, softening water outlet is through overrich
Brine reverse osmosis feedwater pump P14Pressurization, through strong brine reverse osmosis cartridge filter SAF5Filtering is to protect strong brine reverse osmosis unit
CWRO, then P is pumped by strong brine reverse osmosis high-pressure15It adds high pressure（Pressure：15~25 kg/cm2）, utilize the reverse osmosis dress of strong brine
Set CWRO（The rate of recovery：50~70%）It is concentrated, the production water of strong brine reverse osmosis unit CWRO enters strong brine zero discharge treatment
System water producing tank T9, the concentrated water of strong brine reverse osmosis unit CWRO enters the reverse osmosis concentrated water tank T of strong brine8, then given by STRO
Water pump P16Pressurization, through STRO cartridge filters SAF6Filtering to protect ductwork type reverse osmosis unit STRO, while by antisludging agent/
Non-oxidative antimicrobial throwing device D9Antisludging agent is added with non-oxidative antimicrobial to protect ductwork type reverse osmosis unit STRO, then is led to
Cross STRO high-pressure pumps P17It adds high pressure（Pressure：50~70 kg/cm2）, utilize ductwork type reverse osmosis unit STRO（The rate of recovery：60~
80%）Further depth concentration, the dope of ductwork type reverse osmosis unit STRO are evaporated through vaporising device ZF, output abraum salt F；
The production water of ductwork type reverse osmosis unit STRO enters strong brine zero-discharge treatment system water producing tank with the condensed water of vaporising device ZF
T9, strong brine zero-discharge treatment system water producing tank T9In three parts mixing water（Production water, the pipe of strong brine reverse osmosis unit CWRO
The condensed water of the production water and vaporising device ZF of net formula reverse osmosis unit STRO）Water quality be better than《Industrial circulating cooling water processing is set
Count specification》（GB50050-2007）6.1.3 Standard of reclaimed water（Wherein pH：7.0~8.5, Cl-﹤ 250mg/L, TDS ﹤
1000mg/L）, P is pumped by strong brine zero discharge treatment production water circulating cooling make-up water18Send out the production water of strong brine zero-discharge treatment system
Supplement recirculated water E2.To achieve the purpose that recycle-water and zero-emission.
Embodiment
Mating water treatment system is transformed in certain Tong Ye Co., Ltds industrial upgrading.
1. SYSTEM SUMMARY
The mating water treatment system includes reuse water system, Desalting Water System and strong brine Zero discharging system.
The design water inlet of reuse water system is that circulation drains, inflow 4416m3/ d, i.e. 184m3/h.It is stirred using machinery
Mix clarifying basin（Limy, soda ash softening）+ more medium filter+self-cleaning filter+ultrafiltration+first-stage reverse osmosis+concentrated water reverse osmosis
Saturating technique, concentrated water reverse osmosis unit concentrated water enter strong brine Zero discharging system after collecting and handle.
Desalting Water System produces water as water source, for owner's boiler of power generation by waste heat using reuse water system（Steam pressure 5.6MPa）Make
With design water yield 100m3/ h, system can use in 50%~100% elastic range；The system uses the place of reverse osmosis+EDI
Science and engineering skill, effluent quality meet boiler of power generation by waste heat water supply standard.
Strong brine zero-emission designs water 39.4m3/h（The concentrated water of membrane treatment appts containing acid waste water 11m3/h）, using DF films
Softening plant（Limy, soda ash softening）Reverse osmosis+the STRO of+strong brine is reverse osmosis+evaporated crystallization device.After system produces water collection
As circulation make-up water.
2. design system water
（1）Reuse water system：184 m3/h；
（2）Desalting Water System：100 m3/h；
（3）Strong brine Zero discharging system：39.4 m3/h。
3. designing influent quality
| Serial number | Project | Unit | Numerical value |
| 1 | pH | 6.8~9.5 | |
| 2 | Total dissolved solid | mg/L | 1584 |
| 3 | Calcium ion | mg/L | 240 |
| 4 | Magnesium ion | mg/L | 86.4 |
| 5 | Sodium ion | mg/L | 80 |
| 6 | Chlorion | mg/L | 53 |
| 7 | Sulfate ion | mg/L | 492 |
| 8 | Bicarbonate ion | mg/L | 560 |
| 9 | Nitrate anion | mg/L | 72 |
4. designing effluent quality
（1）The water outlet of reuse water system is used as circulating cooling make-up water, water quality index to meet《Industrial circulating cooling water processing design
Specification》（GB50050-2007）6.1.3 recycled water water quality requirement：
Recycled water water quality index：
| Serial number | Project | Unit | Water Quality Control Indexes |
| 1 | pH(25℃) | 7.0~8.5 | |
| 2 | Suspended matter | 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（With CaCO3Meter） | mg/L | ≤250 |
| 10 | Methyl orange alkalinity（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 number of bacteria | A/ml | ＜ 1000 |
（2）Desalting Water System producing water water quality：The μ s/cm (25 DEG C) of conductivity≤0.2, SiO2The μ g/L of content≤20.
5. technological process
The process flow diagram of copper mine sewerage disposing reuse Zero emission device embodiment is referring to attached drawing 5.
6. system main design parameters
（1）Reuse water system
| Serial number | Title | Specifications and models | Material | Unit | Quantity |
| One | Pretreatment system | ||||
| 1 | Raw water box | V=500m3, with diving mixer P=1.5KW, 2 | Concrete structural anticorrosion | Seat | 1 |
| 2 | Raw water pump (1 is standby with 1) | Q=220m3/ h, H=20m, P=22kW | Flow passage components cast iron | Platform | 2 |
| 3 | Accelerator (1 is standby with 1) | Water yield >=200m3/ h/, pond body size Φ 7500mm, with blender, mud scraper, inclined tube | Concrete structural anticorrosion | Seat | 2 |
| 4 | Accelerator sludge pump (1 is standby with 1) | Screw pump, solid content 8%, Q=5m3/ h, H=30m, P=1.1kW | Cast iron | Platform | 2 |
| 5 | Sludge conditioning pond | 100m3, match mud scraper | Concrete structural anticorrosion | Seat | 1 |
| 6 | Filtered water tank | V=300m3 | Concrete structural anticorrosion | Platform | 1 |
| 7 | Multimedium feed pump（1 is standby with 1） | Q=201m3/ h, H=40m, P=37kW match frequency converter | Flow passage components cast iron | Platform | 2 |
| 8 | More medium filter（3 is standby with 1） | Φ 3600, Q=66.9m3/ h. platforms, operation flow velocity 6.6m/h. | Platform | 4 | |
| 9 | Multimedium backwash water pump（1 is standby with 1） | Q=440m3/h, H=20m, P=55kW；Centrifugal pump of horizontal axis. | Cast iron | Platform | 2 |
| 10 | Backwash wind turbine（1 is standby with 1） | Q=25Nm3/min, pressure rise 68.6KPa, P=45kw | Cast iron | Platform | 2 |
| 11 | Backwash waste case | V=200m3 | Concrete structural anticorrosion | Seat | 1 |
| Two | Ultrafiltration system | ||||
| 1 | Self-cleaning filter | Q=201m3/ h/ platforms, 100 μm of filtering accuracy | Strainer SS304 | Set | 1 |
| 2 | Ultrafiltration apparatus | Net water yield：Q=89.8m3/h covers, Re >=90%, ultrafiltration membrane：SN-UF-0860,50m2/, 40/set | Set | 2 | |
| 3 | Hyperfiltration reverse-rinsing water pump (1 is standby with 1) | Q=200m3/ h, H=20m, P=22kW match frequency converter | Flow passage components SS304 | Platform | 2 |
| 4 | Hyperfiltration reverse-rinsing cartridge filter | DN150 filters 100 μm of progress, shell carbon steel anti-corrosion, duct type | Strainer SS316 | Platform | 1 |
| 5 | Ultrafiltration water tank | V=200m³ | Concrete structural anticorrosion | Platform | 1 |
| 6 | Ultrafiltration cleaning device | Cleaning case：V=3m³（PE）, match electric heater | Set | 1 | |
| 7 | Ultrafiltration cleaning pump | Q=90m3/h, H=25m, P=11kW | Flow passage components SS316 | Platform | 1 |
| 8 | Filter is cleaned in ultrafiltration | Diameter of phi 400, filtering accuracy are 5 μm, Q=90m3/h, match 5 μm of collapsible big flow filter cores 3 | Shell SS316 | Platform | 1 |
| Three | First-stage reverse osmosis system | ||||
| 1 | Level-one RO feed pumps（1 is standby with 1） | Q=210.3m3/h, H=30m, P=30kW | Flow passage components SS304 | Platform | 2 |
| 2 | Level-one RO cartridge filters | Diameter of phi 400, filtering accuracy are 5 μm, and Q=106m3/h platforms match 5 μm of collapsible 3/platforms of big flow filter core. | Shell SS304 | Platform | 2 |
| 3 | Level-one RO high-pressure pumps | Q=106m3/h, H=110m, N=45kW match frequency converter | Flow passage components SS304 | Platform | 2 |
| 4 | Level-one RO devices | Q=68.35m3/h covers, Re=65%, RO films：96/set, model：BW30FR-400/34 | Set | 2 | |
| 5 | Flush water pump | Q=88m3/h, H=30m, P=15kW | Flow passage components SS304 | Platform | 1 |
| 6 | Level-one sweet-water tank | V=200m³ | Concrete structural anticorrosion | Seat | 1 |
| 7 | Recirculated water make-up pump（1 is standby with 1） | Q=50.2m3/ h, H=50m, P=11kW | Flow passage components SS304 | Platform | 2 |
| 8 | Counter-infiltration system cleaning device | Cleaning case：V=5m³（PE）, match electric heater | Set | 1 | |
| 9 | Cleaning pump | Q=88m3/h, H=40m, P=18.5kW | Flow passage components SS304 | Platform | 1 |
| 10 | Clean cartridge filter | Diameter of phi 350, filtering accuracy are 5 μm, Q=88m3/h, match 5 μm of collapsible big flow filter cores 2 | Shell SS304 | Platform | 1 |
| Four | Concentrated water counter-infiltration system | ||||
| 1 | Level-one RO concentrated water casees | V=100m³ | Concrete structural anticorrosion | Platform | 1 |
| 2 | Concentrated water RO feed pumps（1 is standby with 1） | Q=74m3/h, H=30m, P=11kW | Flow passage components SS304 | Platform | 2 |
| 3 | Concentrated water RO cartridge filters | Diameter of phi 350, filtering accuracy are 5 μm, and Q=74m3/h/ platforms match 5 μm of collapsible big flow filter cores 2 | Shell SS316 | Platform | 1 |
| 4 | Concentrated water reverse osmosis high-pressure pumps | Q=74m3/h, H=120m, P=37kW match frequency converter | Flow passage components SS316 | Platform | 1 |
| 5 | Concentrated water RO devices | Q=44.2m3/h covers, Re=60%, RO films：66/set, model：BW30FR-400/34 | Set | 1 | |
| 6 | Concentrated water RO flush water pumps | Q=56m3/h, H=30m, P=11kW | Flow passage components SS304 | Platform | 1 |
| Five | Medicine system | Mating lime, soda ash, coagulant, flocculation aid, hydrochloric acid, sodium hypochlorite, reducing agent, antisludging agent, non oxidizing bactericide medicine system | Set | 1 | |
| Six | Electrically, instrument control | Including system power, controlling on the spot, system meter, PLC and host computer | Set | 1 | |
| Seven | Fire-fighting, HVAC, communication, lightning protection | Reuse water system, Desalting Water System and Zero discharging system share | Batch | 1 |
（2）Desalting Water System
| Serial number | Title | Specifications and models | Material | Unit | Quantity |
| One | Two level RO systems | ||||
| 1 | Two level RO feed pumps（1 is standby with 1） | Q=131m3/h, H=30m, P=18.5kW | Flow passage components SS304 | Platform | 2 |
| 2 | Two level RO cartridge filters | Diameter of phi 350, filtering accuracy are 5 μm, and Q=66m3/h platforms match 5 μm of collapsible 2/platforms of big flow filter core | Shell SS304 | Platform | 2 |
| 3 | Two level RO high-pressure pumps（Frequency control） | Q=66m3/h, H=130m, N=37kW match frequency converter | Flow passage components SS304 | Platform | 2 |
| 4 | Two level RO devices | Q=55.55m3/h covers, Re=85%, RO films 48/set, model：BW30-400IG | Set | 2 | |
| 5 | Two level RO water producing tanks | V=100m³ | Concrete structural anticorrosion | Seat | 1 |
| 6 | Two-stage reverse osmosis system cleaning device | It is shared with the reverse osmosis cleaning device of reuse water system | |||
| Two | EDI systems | ||||
| 2 | EDI feed pumps（1 is standby with 1） | Q=111.1m3/h, H=55m, P=30kW | Flow passage components SS304 | Platform | 2 |
| 3 | EDI cartridge filters | Diameter of phi 350, filtering accuracy are 1 μm, and Q=56m3/h platforms match 5 μm of collapsible 2/platforms of big flow filter core | Shell SS304 | Platform | 2 |
| 4 | EDI devices | Q=50m3/h covers, Re=90%, EDI films 10/platform of block, model：E-Cell-3X | Set | 2 | |
| 5 | EDI cleaning devices | It is shared with the reverse osmosis cleaning system of recycle-water | |||
| 6 | Sweet-water tank | V=200m³ | Concrete structural anticorrosion | Seat | 1 |
| 7 | Desalination water pump（1 is standby with 1） | Q=100m3/h, H=50m, P=22kW | Flow passage components SS304 | Platform | 2 |
| Three | Medicine system | Mating alkali, ammonia medicine system | Set | 1 | |
| Four | Electrically, instrument control | Including system power, controlling on the spot, system meter, PLC and host computer | Set | 1 |
（3）Strong brine Zero discharging system
| Serial number | Title | Specifications and models | Material | Unit | Quantity |
| One | DF film melded systems | ||||
| 1 | Strong brine collecting box | V=100m³ | Concrete structural anticorrosion | Platform | 1 |
| 2 | DF membranous system feed pumps（1 is standby with 1） | Q=40m3/h, H=15m, P=5.5kW | Flow passage components SS304 | Platform | 2 |
| 3 | 1# coagulation reaction tanks | V=20m3, match blender | Carbon steel anti-corrosion | Platform | 1 |
| 4 | 2# coagulation reaction tanks | V=20m3, match blender | Carbon steel anti-corrosion | Platform | 1 |
| 5 | Concentration basin | V=20m3 | Carbon steel anti-corrosion | Platform | 1 |
| 6 | Circulating pump | Q=80m3/ h, H=38m, P=15KW | Flow passage components SS304 | Platform | 3 |
| 7 | Sludge pump | Screw pump, Q=5m3/ h, H=30m, P=1.1KW | Platform | 1 | |
| 8 | DF film devices | Q=40m3/ h, DF film 36/set, model：DF810W | Set | 1 | |
| 9 | Produce water collection tank | V=100m3 | Concrete structural anticorrosion | Platform | 1 |
| 10 | DF Membrane cleaning devices | DF Membrane cleaning casees：V=3m3（PE）3 | Set | 1 | |
| 11 | DF Membrane cleanings pump（1 is standby with 1） | Q=45m3/ h, H=30m, P=7.5kW | Flow passage components SS316L | Platform | 2 |
| Two | Strong brine RO systems | ||||
| 1 | Strong brine RO feed pumps（1 is standby with 1） | Q=38.8m3/h, H=30m, P=5.5kW | Flow passage components SS304 | Platform | 2 |
| 2 | Strong brine RO cartridge filters | Diameter of phi 220, filtering accuracy are 5 μm, and Q=38.8m3/h/ platforms match 5 μm of collapsible 1/platforms of big flow filter core | Enclosure material SS316 | Platform | 1 |
| 3 | Strong brine RO high-pressure pumps | Q=38.8m3/h, H=160m, P=30kW match frequency converter | Flow passage components SS304 | Platform | 1 |
| 4 | Strong brine RO devices | Q=23.28m3/h covers, Re=60%, RO films 36/set, model：BW30FR-400/34 | Set | 1 | |
| 5 | Strong brine RO concentrated water casees | V=15m³ | FRP | Platform | 1 |
| Three | STRO systems | ||||
| 1 | STRO is to pump（1 is standby with 1） | Q=15.5m3/h, H=45m, P=11kW | Flow passage components SS316 | Platform | 2 |
| 2 | STRO cartridge filters | Filtering accuracy be 5 μm, Q=15.5m3/h/ platforms, match 5 μm of PP spray welding filter elements, 8/platform | Carbon steel line with rubber | Platform | 1 |
| 3 | High-pressure pump | Q=15.5m3/h, H=600m, N=45kW match frequency converter | Dual phase steel 2205 | Platform | 1 |
| 4 | Circulating pump | Q=28.5m3/h, H=35m, N=5.5kW, inlet pressure 6.0MPa | Dual phase steel 2205 | Platform | 2 |
| 5 | STRO is reverse osmosis | The rate of recovery 70%, 10.9m3/h, STRO films 30/set, single branch membrane area 25m2 | Combination | Platform | 1 |
| 6 | Clean water tank | 2m3 | PE | Platform | 1 |
| 7 | Flushing water pump | Q=22m3/h, H=28m, N=3kW | Flow passage components SS316 | Platform | 3 |
| 8 | 1# cleaning agent barrel pumps | PFP-40, Q=500L/h P=1.0bar N=0.64W | PVC | Platform | 1 |
| 9 | 1# cleaning agent storage tanks | V=1000L | PE | Platform | 1 |
| 10 | 2# cleaning agent barrel pumps | PFP-40, Q=500L/h P=1.0bar N=0.64W | PVC | Platform | 1 |
| 11 | 2# cleaning agent storage tanks | V=1000L | PE | Platform | 1 |
| 13 | Super strong brine case | V=5m3 | FRP | Platform | 1 |
| 14 | Super strong brine delivery pump（1 is standby with 1） | Q=5m3/ h, H=40m, P=1.1kW | Flow passage components SS2205 | Platform | 2 |
| Four | Evaporation and crystallization system | Q=4.7m3/h, quadruple effect+forced circulation | Set | 1 | |
| Five | Medicine system | Mating milk of lime, soda ash, coagulant, fungicide, production water pH value adjust HCl, antisludging agent, non-oxidative antimicrobial medicine system | Set | 1 | |
| Six | Electrically, instrument control | Including system power, controlling on the spot, system meter, PLC and host computer | Set | 1 |
In addition reuse water system, Desalting Water System and strong brine Zero discharging system build film workshop jointly（123mX21m, headroom
6m）, filter workshop（30mX15m, headroom 7.5m）, between lime and soda ash dosing（42mX15m, headroom 7.5m）.
Claims (2)
1. Copper making sewerage disposing retracting device, it is characterized in that including pretreatment melded system（1）, level-one desalination processing system
（2）, two level desalination processing system（3）, strong brine zero-discharge treatment system（4）；Water A is connected to pretreatment softening wherein in Copper making
System（1）Water inlet, pre-process melded system（1）Water outlet G be connected to level-one desalination processing system（2）Water inlet, it is pre- to locate
Manage melded system（1）Mud mouth discharge pretreatment softening sludge B, level-one desalination processing system（2）Level-one demineralized water H be connected to
Two level desalination processing system（3）Water inlet be connected to level-one demineralized water supplement recirculated water E simultaneously1, level-one desalination processing system（2）
Concentrated water J be connected to strong brine zero-discharge treatment system（4）Water inlet, two level desalination processing system（3）Concentrate recirculation I be connected to
Pre-process melded system（1）Reflux water inlet, two level desalination processing system（3）Water outlet send out demineralized water D, strong brine zero
Discharge treating system（4）Water outlet send out supplement recirculated water E2, strong brine zero-discharge treatment system（4）Salt outlet send out it is useless
Salt F, strong brine zero-discharge treatment system（4）Mud mouth send out strong brine zero-discharge treatment system sludge C；
The pretreatment melded system（1）, structure includes raw water box（1-1）, accelerator（1-2）, filtered water tank
（1-3）, high efficiency particulate air filter（1-4）, 100 microns of disc-type filters（1-5）, ultrafiltration apparatus（1-6）, ultrafiltration water producing tank（1-7）、
Ca(OH)2/Na2CO3/ PAC/PAM/ fungicide throwing devices（1-8）, HCl throwing devices（1-9）, ultrafiltration on-line cleaning dosing dress
It sets（1-10）, raw water pump（1-11）, high efficiency particulate air filter feed pump（1-12）, high efficiency particulate air filter backwash water pump（1-13）, efficient mistake
Filter backwash wind turbine（1-14）, hyperfiltration reverse-rinsing wind turbine（1-15）, first-stage reverse osmosis feed pump（1-16）, hyperfiltration reverse-rinsing water pump（1-
17）；Wherein water A is connected to raw water box in Copper making（1-1）Water inlet, raw water box（1-1）Water outlet pass through raw water pump（1-
11）It is connected to accelerator（1-2）Water inlet, Ca (OH)2/Na2CO3/ PAC/PAM/ fungicide throwing devices（1-8）
Dosing outlet be also coupled to accelerator（1-2）Water inlet, accelerator（1-2）Mud discharging mouth discharge it is pre-
Processing softening sludge B, accelerator（1-2）Water outlet be connected to filtered water tank（1-3）Water inlet, filtered water tank（1-3）
Water outlet pass through high efficiency particulate air filter feed pump（1-12）It is connected to high efficiency particulate air filter（1-4）Water inlet, filtered water tank（1-3）Go out
The mouth of a river is also by high efficiency particulate air filter backwash water pump（1-13）It is connected to high efficiency particulate air filter（1-4）Backwash water inlet, HCl throwing devices
（1-9）Medicine outlet be also coupled to high efficiency particulate air filter（1-4）Water inlet, high efficiency particulate air filter backwash wind turbine（1-14）Air outlet connect
To high efficiency particulate air filter（1-4）Backwash air inlet, high efficiency particulate air filter（1-4）Water outlet be connected to 100 microns of disc-type filters
（1-5）Water inlet, 100 microns of disc-type filters（1-5）Water outlet be connected to ultrafiltration apparatus（1-6）Water inlet, ultrafiltration
Device（1-6）Water outlet be connected to ultrafiltration water producing tank（1-7）Water inlet, the concentrate recirculation I of two level desalination processing system is connected to
Ultrafiltration water producing tank（1-7）Recirculation water water inlet, ultrafiltration water producing tank（1-7）Water outlet pass through first-stage reverse osmosis feed pump（1-
16）Send out the water outlet G of pretreatment melded system, ultrafiltration water producing tank（1-7）Water outlet also by hyperfiltration reverse-rinsing water pump（1-17）
It is connected to ultrafiltration apparatus（1-6）Backwash water inlet, ultrafiltration on-line cleaning chemicals dosing plant（1-10）Medicine outlet be also coupled to ultrafiltration dress
It sets（1-6）Backwash water inlet, hyperfiltration reverse-rinsing wind turbine（1-15）Air outlet be connected to ultrafiltration apparatus（1-6）Backwash air inlet,
High efficiency particulate air filter（1-4）Backwash discharge outlet, 100 microns of disc-type filters（1-5）Backwash discharge outlet and ultrafiltration apparatus（1-
6）Backwash discharge outlet be all connected to raw water box（1-1）Reflux water inlet；
The level-one desalination processing system（2）, structure includes first-stage reverse osmosis cartridge filter（2-1）, first-stage reverse osmosis
Device（2-2）, first-stage reverse osmosis concentrated water case（2-3）, concentrated water reverse osmosis cartridge filter（2-4）, concentrated water reverse osmosis unit（2-
5）, level-one sweet-water tank（2-6）, reducing agent/antisludging agent/non-oxidative antimicrobial throwing device（2-7）, scale inhibitor feeding device
（2-8）, first-stage reverse osmosis high-pressure pump（2-9）, concentrated water reverse osmosis feedwater pump（2-10）, concentrated water reverse osmosis high-pressure pump（2-11）, two
Grade reverse osmosis feedwater pump（2-12）, level-one demineralized water circulating cooling make-up water pump（2-13）；
Two level desalination processing system（3）, structure includes two-pass reverse osmosis cartridge filter（3-1）, second level reverse osmosis apparatus（3-
2）, two-pass reverse osmosis water producing tank（3-3）, EDI cartridge filters（3-4）, electric deionizer（3-5）, sweet-water tank（3-6）、
NaOH throwing devices（3-7）, two-pass reverse osmosis high-pressure pump（3-8）, EDI feed pumps（3-9）, desalination water pump（3-10）；It is wherein pre-
The water outlet G of processing melded system is connected to first-stage reverse osmosis cartridge filter（2-1）Water inlet, reducing agent/antisludging agent/non-oxide
Fungicide throwing device（2-7）Medicine outlet be also coupled to first-stage reverse osmosis cartridge filter（2-1）Water inlet, first-stage reverse osmosis
Cartridge filter（2-1）Water outlet pass through first-stage reverse osmosis high-pressure pump（2-9）It is connected to first-stage reverse osmosis device（2-2）Water inlet
Mouthful, first-stage reverse osmosis device（2-2）Production water out be connected to level-one sweet-water tank（2-6）2# water inlets, first-stage reverse osmosis dress
It sets（2-2）Concentrated water outlet be connected to first-stage reverse osmosis concentrated water case（2-3）Water inlet, first-stage reverse osmosis concentrated water case（2-3）Go out
The mouth of a river passes through concentrated water reverse osmosis feedwater pump（2-10）It is connected to concentrated water reverse osmosis cartridge filter（2-4）Water inlet, antisludging agent throw
Feeder apparatus（2-8）Medicine outlet be also coupled to concentrated water reverse osmosis cartridge filter（2-4）Water inlet, concentrated water reverse osmosis cartridge filtering
Device（2-4）Water outlet pumped by concentrated water reverse osmosis high-pressure（2-11）It is connected to concentrated water reverse osmosis unit（2-5）Water inlet, concentrated water
Reverse osmosis unit（2-5）Production water out be connected to level-one sweet-water tank（2-6）1# water inlets, concentrated water reverse osmosis unit（2-5）
Concentrated water outlet send out level-one desalination processing system concentrated water J, level-one sweet-water tank（2-6）Water outlet pass through level-one demineralized water
Circulating cooling make-up water pumps（2-13）Send out level-one demineralized water supplement recirculated water E1；Level-one sweet-water tank（2-6）Water outlet also by
Two-pass reverse osmosis feed pump（2-12）It is connected to two-pass reverse osmosis cartridge filter（3-1）Water inlet, NaOH throwing devices（3-7）
Medicine outlet be also coupled to two-pass reverse osmosis cartridge filter（3-1）Water inlet, two-pass reverse osmosis cartridge filter（3-1）Go out
The mouth of a river passes through two-pass reverse osmosis high-pressure pump（3-8）It is connected to second level reverse osmosis apparatus（3-2）Water inlet, second level reverse osmosis apparatus
（3-2）Production water out be connected to two-pass reverse osmosis water producing tank（3-3）Water inlet, two-pass reverse osmosis water producing tank（3-3）Water outlet
Mouth passes through EDI feed pumps（3-9）It is connected to EDI cartridge filters（3-4）Water inlet, EDI cartridge filters（3-4）Water outlet
It is connected to electric deionizer（3-5）Water inlet, second level reverse osmosis apparatus（3-2）Concentrated water outlet and electric deionizer（3-
5）Concentrated water outlet send out two level desalination processing system concentrate recirculation I, electric deionizer（3-5）Production water out be connected to and remove
Brine tank（3-6）Water inlet, sweet-water tank（3-6）Water outlet pass through desalination water pump（3-10）Send out demineralized water D；
The strong brine zero-discharge treatment system（4）, structure includes DF film softening plants（4-1）, the reverse osmosis guarantor of strong brine
Pacify filter（4-2）, strong brine reverse osmosis unit（4-3）, strong brine zero-discharge treatment system water producing tank（4-4）, strong brine it is anti-
Permeate concentrated water case（4-5）, STRO cartridge filters（4-6）, ductwork type reverse osmosis unit（4-7）, vaporising device（4-8）、Ca
(OH)2/ Na2CO3/ Polyferric Sulfate/fungicide throwing device（4-9）, HCl/ antisludging agents/non-oxidative antimicrobial throwing device（4-10）、
Antisludging agent/non-oxidative antimicrobial throwing device（4-11）, strong brine reverse osmosis feedwater pump（4-12）, strong brine reverse osmosis high-pressure pump
（4-13）, strong brine zero discharge treatment production water circulating cooling make-up water pump（4-14）, STRO feed pumps（4-15）, STRO high-pressure pumps（4-
16）；The concentrated water J of wherein level-one desalination processing system is connected to DF film softening plants（4-1）Water inlet, Ca (OH)2/ Na2CO3/
Polyferric Sulfate/fungicide throwing device（4-9）Medicine outlet be also coupled to DF film softening plants（4-1）Water inlet, DF film softening plants
（4-1）Mud discharging mouth send out strong brine zero-discharge treatment system sludge C, DF film softening plant（4-1）Water outlet pass through dense salt
Water reverse osmosis feedwater pump（4-12）It is connected to strong brine reverse osmosis cartridge filter（4-2）Water inlet, HCl/ antisludging agents/non-oxide
Fungicide throwing device（4-10）Medicine outlet be also coupled to strong brine reverse osmosis cartridge filter（4-2）Water inlet, strong brine
Reverse osmosis cartridge filter（4-2）Water outlet pumped by strong brine reverse osmosis high-pressure（4-13）It is connected to strong brine reverse osmosis unit
（4-3）Water inlet, strong brine reverse osmosis unit（4-3）Production water out be connected to strong brine zero-discharge treatment system water producing tank
（4-4）Water inlet, strong brine zero-discharge treatment system water producing tank（4-4）Water outlet pass through strong brine zero discharge treatment produce water
Circulating cooling make-up water pumps（4-14）Send out the production water supplement recirculated water E of strong brine zero-discharge treatment system2, strong brine reverse osmosis unit
（4-3）Concentrated water outlet be connected to the reverse osmosis concentrated water tank of strong brine（4-5）Water inlet, the reverse osmosis concentrated water tank of strong brine（4-5）'s
Water outlet passes through STRO feed pumps（4-15）It is connected to STRO cartridge filters（4-6）Water inlet, antisludging agent/non-oxidative antimicrobial
Throwing device（4-11）Medicine outlet be also coupled to STRO cartridge filters（4-6）Water inlet, STRO cartridge filters（4-6）'s
Water outlet passes through STRO high-pressure pumps（4-16）It is connected to ductwork type reverse osmosis unit（4-7）Water inlet, ductwork type reverse osmosis unit
（4-7）Concentrated water outlet be connected to vaporising device（4-8）Water inlet, ductwork type reverse osmosis unit（4-7）Production water out with steam
Transmitting apparatus（4-8）Condensate outlet be also coupled to strong brine zero-discharge treatment system water producing tank（4-4）Water inlet, vaporising device
（4-8）Salt outlet send out abraum salt F.
2. using water zero discharge method in Copper making sewerage disposing retracting device as claimed in claim 1 processing Copper making, feature
It is to include the following steps：
（1）Pretreatment softening：200~1000mg/L of milk of lime, the quality of mass concentration 5~10% are added in water in Copper making
200~800mg/L of soda ash, the 20~80mg/L of flocculant and 20~70mg/L of fungicide of concentration 5~10% carry out sofening treatment,
By precipitation, multistage filtering discharge pretreatment softening sludge, soften hardness leakage≤1.0mmol/L of water outlet, in favor of follow-up
Desalination, concentration, evaporation process；
（2）Level-one removes salt treatment：The water outlet of pretreatment melded system passes through first-stage reverse osmosis device, the rate of recovery：60~75% carry out
Preliminary desalination, and utilize concentrated water reverse osmosis unit, the rate of recovery：55~70%, the concentrated water of first-stage reverse osmosis device is carried out tentatively de-
Salt, to improve the rate of recovery 82~92.5% of entire single stage desalting water；
（3）Two level removes salt treatment：Level-one demineralized water passes through the second level reverse osmosis apparatus rate of recovery：85~95%, further desalination, so
Advanced desalination is carried out by electric deionizer again afterwards, the concentrated water return of second level reverse osmosis apparatus and electric deionizer pre-processes
Melded system is handled again；The production water of electric deionizer fullys meet the requirement of desalted water, Desalting Water System producing water water quality
For：μ s/cm of conductivity at 25 DEG C≤0.2, SiO2The μ g/L of content≤20；
（4）Strong brine zero discharge treatment：The concentrated water of level-one desalination processing system enters DF film softening plants, dense by adding quality
400~1200mg/L of milk of lime of degree 5~10%, 100~500mg/L of soda ash of mass concentration 5~10%, flocculant 20~
80mg/L, 20~70mg/L of fungicide, carry out sofening treatment, and thickened sludge sends to Sewage Disposal processing, softening water outlet
By strong brine reverse osmosis unit, the rate of recovery：50~70% concentration is 50~70 kg/cm using pressure2Ductwork type it is anti-
Permeability apparatus, the rate of recovery：60~80%, further depth concentration, the dope of ductwork type reverse osmosis unit is carried out through vaporising device ZF
Evaporation, output abraum salt F；The production water of strong brine reverse osmosis unit, the production water of ductwork type reverse osmosis unit are cold with vaporising device ZF's
The water quality of condensate is 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, is back to recirculated water；
The step（1）In Copper making in water A pass sequentially through raw water box T1, raw water pump P1, it is accelerator MCT, clear
Water tank T2, high efficiency particulate air filter feed pump P2, high efficiency particulate air filter HEF, 100 microns of disc-type filter DCF, ultrafiltration apparatus UF, ultrafiltration
Water producing tank T3, first-stage reverse osmosis feed pump P4Water outlet G until sending out pretreatment melded system；Wherein in Copper making water A with efficiently
Filter HEF, 100 microns of disc-type filter DCF, ultrafiltration apparatus UF backwash water in raw water box T1Middle mixing carries out water quality water
The adjusting of amount, and by raw water pump P1It is sent into accelerator MCT and carries out sofening treatment；In accelerator MCT profits
With Ca (OH)2/Na2CO3/ PAC/ PAM/ fungicide throwing devices D1Feeding lime breast concentration 5~10%, soda ash concentration 5~
10%, PAC, PAM and fungicide, after lime, soda ash softening precipitation process, the water outlet residual of accelerator MCT is hard
Degree≤1.0mmol/L, and pretreatment softening sludge B is discharged；The water outlet of accelerator MCT enters filtered water tank T2, through height
Imitate filter feed pump P2Pressurization successively by high efficiency particulate air filter HEF, 100 microns of disc-type filter DCF, ultrafiltration apparatus UF into
Row multistage filtering enters ultrafiltration water producing tank T after filtering out the particulate matter in accelerator MCT water outlets3, two level is except salt treatment
The concentrate recirculation I of system also enters ultrafiltration water producing tank T3, and through first-stage reverse osmosis feed pump P4Send out going out for pretreatment melded system
Water G；Since the pH of accelerator MCT water outlets is 10~11, HCl throwing devices are utilized before high efficiency particulate air filter HEF
D2Hydrochloric acid is added by pH readjustments to 7.5~8.5, high efficiency particulate air filter HEF utilizes high efficiency particulate air filter backwash water pump P3With high efficiency particulate air filter
Backwash wind turbine B1Periodically carry out air water backwash；Ultrafiltration apparatus UF utilizes hyperfiltration reverse-rinsing wind turbine B2, hyperfiltration reverse-rinsing water pump P5Exist with ultrafiltration
Line cleans chemicals dosing plant D3Periodically carry out online dosing chemistry air water backwash；High efficiency particulate air filter HEF, 100 microns of disc-type filterings
The backwash draining of device DCF, ultrafiltration apparatus UF return to raw water box T1Again it handles；
The step（2）In water outlet pass through level-one desalination processing system DS1, specifically pre-process melded system water outlet G
It is anti-to pass sequentially through first-stage reverse osmosis cartridge filter SAF1, first-stage reverse osmosis high-pressure pump P6, first-stage reverse osmosis device RO1, level-one
Permeate concentrated water case T4, concentrated water reverse osmosis feedwater pump P7, concentrated water reverse osmosis cartridge filter SAF2, concentrated water reverse osmosis high-pressure pump P8,
Concentrated water reverse osmosis unit ROC, level-one sweet-water tank T5, until level-one demineralized water circulating cooling make-up water pump P10 sends out level-one demineralized water
Supplement recirculated water E1；The water outlet G of wherein pretreatment melded system is filtered by first-stage reverse osmosis cartridge filter SAF1 to level-one
Reverse osmosis unit RO1 is protected, at the same by reducing agent/antisludging agent/non-oxidative antimicrobial throwing device D4 add reducing agent,
Antisludging agent, non-oxidative antimicrobial further protect first-stage reverse osmosis device RO1, then add high pressure pressure through first-stage reverse osmosis high-pressure pump P6
Power：10~15 kg/cm2, utilize the first-stage reverse osmosis device RO1 rate of recovery：60~75%, preliminary desalting processing is carried out, level-one is anti-
The production water of permeability apparatus RO1 enters level-one sweet-water tank T5；The concentrated water of first-stage reverse osmosis device RO1 enters first-stage reverse osmosis concentrated water
Case T4, and pressurizeed by concentrated water reverse osmosis feedwater pump P7, it is reverse osmosis to concentrated water by the SAF2 filterings of concentrated water reverse osmosis cartridge filter
Device ROC is protected, while adding antisludging agent by scale inhibitor feeding device D5 and being protected to concentrated water reverse osmosis unit ROC
Shield increases pressure pressure using concentrated water reverse osmosis high-pressure pump P8：11~20 kg/cm2, recycled using concentrated water reverse osmosis unit ROC
Rate：55~70%, preliminary desalting processing is carried out, the rate of recovery to improve entire single stage desalting water reaches 82~92.5%, and concentrated water is anti-
The concentrated water of permeability apparatus ROC is the concentrated water J of level-one desalination processing system, be sent to strong brine zero-discharge treatment system CWZLD into
Row processing；The production water of concentrated water reverse osmosis unit ROC also enters level-one sweet-water tank T5, and as level-one demineralized water, water quality is 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, part primary demineralized water are sent to using two-pass reverse osmosis feed pump P9 at two level desalination
Reason system DS2 produces demineralized water；Rest part level-one demineralized water is sent out level-one using level-one demineralized water circulating cooling make-up water pump P10 and is removed
Saltwater replenishment recirculated water E1；
The step（3）Level-one demineralized water passes sequentially through two by two level desalination processing system DS2, specifically level-one demineralized water
Grade reverse osmosis cartridge filter SAF3, two-pass reverse osmosis high-pressure pump P11, second level reverse osmosis apparatus RO2, two-pass reverse osmosis water producing tank
T6, EDI feed pump P12, EDI cartridge filter SAF4, electric deionizer EDI, sweet-water tank T7, until desalination water pump P13
Send out demineralized water D；Wherein level-one demineralized water is filtered by two-pass reverse osmosis cartridge filter SAF3 to protect two-pass reverse osmosis to fill
RO2 is set, while adding NaOH using NaOH throwing devices D6 and improving pH, pressure pressure is increased by two-pass reverse osmosis high-pressure pump P11：
10~15 kg/cm2, utilize the second level reverse osmosis apparatus rate of recovery：85~95%, further desalination, second level reverse osmosis apparatus RO2's
Production water enters two-pass reverse osmosis water producing tank T6, pressurizes by EDI feed pumps P12, passes through EDI cartridge filters SAF4Filtering is to protect
Electric deionizer EDI is protected, advanced desalination is carried out by electric deionizer EDI；The concentrated water of second level reverse osmosis apparatus RO2 and electricity
The concentrated water of deionizer EDI is that the concentrate recirculation I return pretreatments melded system SPT of two level desalination processing system locates again
Reason；The production water of electric deionizer EDI fullys meet the requirement of desalted water, and Desalting Water System producing water water quality is：It is electric at 25 DEG C
μ s/cm of conductance≤0.2, SiO2The μ g/L of content≤20, the production water of electric deionizer EDI enter sweet-water tank T7, utilize desalination
Water pump P 13 sends out demineralized water D；
The step（4）The concentrated water J of level-one desalination processing system is by strong brine zero-discharge treatment system CWZLD, specifically
The concentrated water J of level-one desalination processing system passes sequentially through DF film softening plants DFS, strong brine reverse osmosis feedwater pump P14, strong brine it is anti-
Permeate cartridge filter SAF5, strong brine reverse osmosis high-pressure pump P15, strong brine reverse osmosis unit CWRO, strong brine reverse osmosis concentrated water
Case T8, STRO feed pumps P16, STRO cartridge filters SAF6, STRO high-pressure pumps P17, ductwork type reverse osmosis unit STRO, evaporation dress
Set ZF, until sending out abraum salt F；The concentrated water J of wherein level-one desalination processing system enters DF film softening plant DFS, passes through Ca
(OH)2/Na2CO3/ Polyferric Sulfate/fungicide throwing device D7Feeding lime breast concentration 5~10%, soda ash concentration 5~10%, flocculant,
Fungicide carries out sofening treatment, sends out strong brine zero-discharge treatment system sludge C, and softening water outlet is given by strong brine is reverse osmosis
Water pump P14Pressurization, through strong brine reverse osmosis cartridge filter SAF5Filtering is to protect strong brine reverse osmosis unit CWRO, then passes through
Strong brine reverse osmosis high-pressure pumps P15Increase pressure pressure：15~25 kg/cm2, utilize the strong brine reverse osmosis unit CWRO rate of recovery：
50~70% are concentrated, and the production water of strong brine reverse osmosis unit CWRO enters strong brine zero-discharge treatment system water producing tank T9, dense
The concentrated water of brine reverse osmosis unit CWRO enters the reverse osmosis concentrated water tank T of strong brine8, then pass through STRO feed pumps P16Pressurization, warp
STRO cartridge filters SAF6Filtering passes through antisludging agent/non-oxidative antimicrobial to protect ductwork type reverse osmosis unit STRO
Throwing device D9Antisludging agent is added with non-oxidative antimicrobial to protect ductwork type reverse osmosis unit STRO, then passes through STRO high-pressure pumps
P17Increase pressure pressure：50~70 kg/cm2, utilize the ductwork type reverse osmosis unit STRO rate of recovery：60~80% further depth are dense
Contracting, the dope of ductwork type reverse osmosis unit STRO are evaporated through vaporising device ZF, output abraum salt F；Ductwork type reverse osmosis unit
The production water of STRO enters strong brine zero-discharge treatment system water producing tank T with the condensed water of vaporising device ZF9, at strong brine zero-emission
Reason system water producing tank T9In three parts mixing water strong brine reverse osmosis unit CWRO production water, ductwork type reverse osmosis unit STRO
The water quality of production water and the condensed water of vaporising device ZF 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 strong brine zero-emission
Processing production water circulating cooling make-up water pumps P18Send out the production water supplement recirculated water E of strong brine zero-discharge treatment system2, to reach reuse
Water and the purpose of zero-emission.
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| CN106698795B (en) * | 2017-02-20 | 2020-10-09 | 云南锡业股份有限公司铜业分公司 | Zero-emission recycling method for copper smelting wastewater |
| CN107601691A (en) * | 2017-09-15 | 2018-01-19 | 许继联华国际环境工程有限责任公司 | A kind of strong brine processing unit and method |
| CN112919693B (en) * | 2021-01-21 | 2022-09-13 | 倍杰特集团股份有限公司 | Full-membrane-process desalted water treatment system and treatment method thereof |
| CN114477587A (en) * | 2022-01-25 | 2022-05-13 | 中国大唐集团科学技术研究总院有限公司华东电力试验研究院 | Circulating water and sewage reuse and zero discharge treatment method |
| CN115353235A (en) * | 2022-08-25 | 2022-11-18 | 江苏润柘环境工程有限公司 | Demineralized water system suitable for steelmaking equipment |
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| CN102942276B (en) * | 2012-12-13 | 2014-09-17 | 山西太钢不锈钢股份有限公司 | Boiler feedwater treatment method and treatment system related to reuse of reclaimed water |
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