CN207210177U - A kind of water treatment system that can be used for processing automobile manufacturer wastewater - Google Patents
A kind of water treatment system that can be used for processing automobile manufacturer wastewater Download PDFInfo
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- CN207210177U CN207210177U CN201720991525.5U CN201720991525U CN207210177U CN 207210177 U CN207210177 U CN 207210177U CN 201720991525 U CN201720991525 U CN 201720991525U CN 207210177 U CN207210177 U CN 207210177U
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Abstract
Water treatment field is the utility model is related to, more particularly to a kind of water treatment system that can be used for processing automobile manufacturer wastewater.The utility model provides a kind of water treatment system, including coagulation device, sand filtering device, ultrafiltration apparatus, homogeneous device, water body softening plant, sewage reverse osmosis unit, depth film condensing device, settler and vaporising device.Water treatment system provided by the utility model, available for processing automobile manufacturer wastewater processing, the quality of reused water obtained by the method for wastewater treatment and system is good, meets《Urban sewage reutilization water quality standard for industries》（GB/T 19923‑2005）With《Urban sewage reutilization urban reclaimed water water quality》（GB/T18920‑2002）It is required that.
Description
Technical field
Water treatment field is the utility model is related to, can be used for more particularly to a kind of at the water of processing automobile manufacturer wastewater
Manage method and system.
Background technology
Auto industry waste water is essentially from pre- washing waste water, degreasing waste water (liquid), phosphorized waste water caused by Painting Shop
(liquid), table adjust waste liquid, electrophoresis waste water (liquid) and painting wastewater, painting wastewater caused by the application workshop section of resin workshop；Waste water is with weight
Metal, phosphate, COD, SS, petroleum-type, ammonia nitrogen are major pollutants.At present, coating wastewater handling process, typically using materialization
Method (precipitation and air supporting) is pre-processed；Biological treatment (anaerobic digestion and aerobic oxidation) technique subsequently is used, is met《Sewage is comprehensive
Close discharge standard》(GB8978-1996) or《Sewage is discharged into municipal sewage system water standard》(CJ343-2010) qualified discharge, or
By advanced treating, can be used as enterprise's miscellaneous water.Such as：A kind of automobile factory is disclosed in patent 200810207457.4
The method of wastewater treatment, increase sand carbon filtration advanced treating after its second pond to save the energy, water outlet is used to afforest and lavatory.Specially
A kind of method that automobile manufacturer wastewater carries out advanced treating using biofilter is disclosed in sharp 201210103442.X, operation
Water outlet COD can not further meet typically in 40~50mg/L in example《Code for design of industrial recirculating cooling water treatment》 (GB
50050-2007) Standard of reclaimed water (COD<30ml/L) and the process section such as paint shop's paint line degreasing, mighty torrent
Required with water.A kind of handling process of high salinity waste water zero-emission is disclosed in patent 201410000181.8, this technique surpasses
The sand filtration that filter concentrated water etc. returns to Zero discharging system is mixed into system processing, can cause the material balance point drift of system, while pipe network
Formula reverse osmosis produced water conductivity it is higher so as to cause the water quality of whole recycle-water can not meet paint shop's paint line degreasing,
The process sections such as mighty torrent are required with water.In addition, the sulfate concentration of auto industry waste water is not high, in concentrate using calcium carbonate scale as
It is main.
In recent years, Environmental Protection in China requires increasingly strict, for example, " Nitrogen-and Phosphorus-containing waste water is forbidden discharging " of Taihu Lake basin, plating
Enterprise's nickel emission limit brings up to 0.01mg/L.With water saving, emission reduction propulsion, it is necessary to find the recycled water of higher quality, film
Method concentration is very economical concentration means due to no phase transformation, but the concentrate after embrane method concentration can not be discharged directly and very
It is difficult, it is necessary to take minimizing measure.
On the whole, it is imperative for the water treatment field of auto industry waste water, zero-emission.
Utility model content
In view of the above the shortcomings that prior art, the purpose of this utility model is to provide a kind of method for treating water, institute
State method for treating water to can be used for handling automobile manufacturer wastewater, so as to realize zero-emission, for solving of the prior art ask
Topic.
In order to achieve the above objects and other related objects, the utility model first aspect provides a kind of method for treating water, bag
Include following steps：
1) staying water is subjected to coagulating treatment, sand filtration processing and hyperfiltration treatment；
2) production water obtained by hyperfiltration treatment is subjected to homogenization；
3) water body obtained by homogenization is subjected to sofening treatment；
4) production water obtained by sofening treatment is subjected to sewage reverse-osmosis treated, obtains production water and dirt obtained by sewage reverse-osmosis treated
Concentrated water obtained by water reverse-osmosis treated, before sewage reverse-osmosis treated, the pH of production water obtained by sofening treatment is adjusted to acidity, and soft
Change in processing gained production water and add antisludging agent A, reducing agent and bactericide；
5) concentrated water obtained by sewage reverse-osmosis treated is subjected to depth film concentration, at least part of depth film concentration
Gained production water is used for homogenization, before depth film concentration, the addition antisludging agent B in concentrated water obtained by sewage reverse-osmosis treated；
6) concentrated water obtained by depth film concentration is subjected to precipitation process, supernatant liquor is carried out at nanofiltration during precipitation process
Reason, at least part of nanofiltration processing production water are used for homogenization；
7) concentrate obtained by precipitation process is evaporated, obtains condensed water and solid salt, at least part of evaporation gained
Condensed water is used for homogenization.
In the utility model some embodiments, in the step 1), by concentrated water obtained by least part of hyperfiltration treatment
And/or waste liquid obtained by sofening treatment is mixed with staying water, coagulating treatment, sand filtration processing and hyperfiltration treatment are carried out.
In the utility model some embodiments, in the step 1), COD ＜ 300mg/L, pH in staying water
=7.5~8.5, TDS=600~1500.
In the utility model some embodiments, in the step 1), flocculant used in the coagulating treatment selects
From one or more combinations in PAC, PFS, ferrous sulfate.
In the utility model some embodiments, in the step 1), the dosage of coagulant in the coagulating treatment
For 10~50mg/L.
In the utility model some embodiments, in the step 1), the sand filtration processing gained COD in water body=
100~200mg/L, pH=7~8, total hardness≤150mg/L, TDS=600~1400.
In the utility model some embodiments, cross-flow filtration is used in the step 1), during the hyperfiltration treatment.
In the utility model some embodiments, in the step 1), the rate of recovery of the hyperfiltration treatment for 85%~
95%.
In the utility model some embodiments, in the step 2), the TDS of the water body of gained after the homogenization
＜ 1800mg/L.
In the utility model some embodiments, in the step 3), total hardness in water body obtained by the sofening treatment
≤ 20mg/L, preferably 5~10mg/L.
In the utility model some embodiments, in the step 4), by the pH of production water obtained by sofening treatment adjust to
PH ＜ 7.0, are preferably adjusted to pH=6.2-6.8.
In the utility model some embodiments, in the step 4), sofening treatment institute is adjusted using hydrochloric acid or sulfuric acid
The pH value of water must be produced, the pH value of production water obtained by sofening treatment is preferably adjusted using 10-30wt% aqueous hydrochloric acid solution.
In the utility model some embodiments, in the step 4), the antisludging agent A is selected from that to be applied to bitter alkali water anti-
The antisludging agent of permeable membrane, the antisludging agent A are preferably one or more combinations in AS200, MDC150 or PTP-0100, resistance
Dirty agent A usage amount is 1.5~3mg/L.
In the utility model some embodiments, in the step 4), the reducing agent is selected from sodium hydrogensulfite, SGR-
One or more combinations in 1530 or LD40, the oxidation-reduction potential for adding water body after reducing agent is 250mV~300mV.
In the utility model some embodiments, in the step 4), the bactericide is selected from non oxidizing bactericide,
The bactericide is preferably one or more combinations in DBNPA, dioxy cyano group methane or OIT.
In the utility model some embodiments, in the step 4), will production water obtained by sofening treatment carry out twice with
Upper sewage reverse-osmosis treated, when carrying out multiple sewage reverse-osmosis treated, resistance is added before each secondary reverse-osmosis treated in water body
Dirty agent A.
In the utility model some embodiments, in the step 4), concentrated water obtained by sewage reverse-osmosis treated compared to
Production water concentrates more than 10 times obtained by sofening treatment.
In the utility model some embodiments, in the step 4), production water obtained by sofening treatment is carried out dirty twice
Water reverse-osmosis treated, production water conductivity obtained by first time sewage reverse-osmosis treated are 20~50us/cm, second of sewage counter-infiltration
Processing gained production water conductivity is 60~250us/cm.
In the utility model some embodiments, in the step 4), entered by bridge formation aromatic polyamide composite membrane
Row sewage reverse-osmosis treated, membrane component salt rejection rate are 99.6%~99.8%.
In the utility model some embodiments, in the step 4), production water obtained by sewage reverse-osmosis treated is carried out
Disinfect.
In the utility model some embodiments, in the step 5), the salt rejection rate of depth film concentration for 95~
98%, the depth film concentration is parallel grid rolling reverse-osmosis treated.
In the utility model some embodiments, in the step 5), the antisludging agent B, which is selected from, is applied to parallel grid
The antisludging agent of coiled reverse osmosis membrane, the antisludging agent B are preferably one or more in PTP-2000, PTP-Y2K or AS200
Combination, antisludging agent B inventory is 2~3.5mg/L.
In the utility model some embodiments, in the step 5), it is dense that depth film is carried out using polyamide composite film
Contracting is handled, membrane component salt rejection rate 99%~99.5%.
In the utility model some embodiments, in the step 6), the salt rejection rate of nanofiltration processing is 50~80%.
In the utility model some embodiments, in the step 6), nanofiltration processing is carried out using polyamide composite film.
In the utility model some embodiments, in the step 6), used when carrying out nanofiltration processing to supernatant liquor
Parallel grid rolling nanofiltration.
In the utility model some embodiments, in the step 6), during precipitation process using vertical sedimentation tank and/or
Inclined-plate clarifying basin.
In the utility model some embodiments, in the step 6), the hydraulic detention time of precipitation process is 3~6
Hour.
In the utility model some embodiments, in the step 7), it is evaporated to residue solid aqueous rate and is less than
10wt%.
In the utility model some embodiments, in the step 7), defoamer, the defoaming are additionally added in concentrate
Agent is preferably one or more combinations in Hydrex 2982, YK-F219 or 71D5plus.
In the utility model some embodiments, in the step 7), the pressure during evaporation for -98kPa~-
85kPa。
The utility model second aspect provides a kind of water treatment system, including：
For staying water to be carried out to the coagulation device of coagulating treatment；
For water body obtained by coagulating treatment to be carried out to the sand filtering device of sand filtration processing, the sand filtering device and coagulation device stream
Body connects；
For sand filtration to be handled to the ultrafiltration apparatus of gained water body progress hyperfiltration treatment, the ultrafiltration apparatus and sand filtering device stream
Body connects；
For water body obtained by hyperfiltration treatment to be carried out to the homogeneous device of homogenization, the homogeneous device and ultrafiltration apparatus stream
Body connects；
For water body obtained by homogenization to carry out to the water body softening plant of sofening treatment, the water body softening plant with
Matter device is in fluid communication；
For production water obtained by sofening treatment to be carried out to the sewage reverse osmosis unit of sewage reverse-osmosis treated, the sewage reverse osmosis
Saturating device is in fluid communication with water body softening plant and connecting pipe is provided with the first feeding device；
For concentrated water obtained by sewage reverse-osmosis treated to be carried out to the depth film condensing device of depth film concentration, the depth
Degree film condensing device is in fluid communication with sewage reverse osmosis unit and connecting pipe is provided with the second feeding device, and the depth film is dense
Compression apparatus is also in fluid communication with homogeneous device；
For concentrated water obtained by depth film concentration to be carried out to the settler of precipitation process, the settler and depth
Film condensing device is in fluid communication, and supernatant liquor during for precipitation process is additionally provided with the settler and carries out nanofiltration processing
Nanofiltration device, the nanofiltration device are in fluid communication with homogeneous device；
For the vaporising device for being evaporated concentrate obtained by precipitation process, the vaporising device and settler fluid
Connection, the vaporising device are provided with condensing unit, and the condensing unit is in fluid communication with homogeneous device.
In the utility model some embodiments, the sand filtering device passes through sand filtering device inlet channel and coagulation device
It is in fluid communication.
In the utility model some embodiments, quartz sand and/or gravel are provided with the sand filtering device.
In the utility model some embodiments, the ultrafiltration apparatus passes through sand filtering device outlet conduit and sand filtering device
It is in fluid communication.
In the utility model some embodiments, the ultrafiltration apparatus is cross-flow ultrafiltration device, and the ultrafiltration apparatus leads to
The water body entrance for crossing ultrafiltration apparatus concentrated water pipeline and system is in fluid communication.
In the utility model some embodiments, the ultrafiltration apparatus membrane aperture<0.02um, molecular weight cut off
150000Da。
In the utility model some embodiments, the homogeneous device passes through ultrafiltration apparatus water production pipeline and ultrafiltration apparatus
It is in fluid communication.
In the utility model some embodiments, the water body softening plant passes through homogeneous device outlet conduit and homogeneous
Device is in fluid communication.
In the utility model some embodiments, the water body softening plant by water body softening plant waste solution channel with
The water body entrance of system is in fluid communication.
In the utility model some embodiments, resin cation is provided with the water body softening plant.
In the utility model some embodiments, the sewage reverse osmosis unit passes through water body softening plant water production pipeline
It is in fluid communication with water body softening plant, the water body softening plant water production pipeline is provided with the first feeding device.
In the utility model some embodiments, in addition to recycle-water water-storing device, the recycle-water water-storing device lead to
Sewage reverse osmosis unit water production pipeline is crossed with sewage reverse osmosis unit to be in fluid communication.
In the utility model some embodiments, the sewage reverse osmosis unit is multi-stage sewage reverse osmosis unit, respectively
The outlet conduit of level sewage reverse osmosis unit is equipped with concentrated water water-storing device, and the water inlet pipe of sewage reverse osmosis units at different levels is all provided with
There is feeding device.
In the utility model some embodiments, answered in the sewage reverse osmosis unit provided with bridge formation aromatic polyamide
Close film, membrane component salt rejection rate 99.6%~99.8%.
In the utility model some embodiments, the depth film condensing device passes through sewage reverse osmosis unit concentrated water pipe
Road is in fluid communication with sewage reverse osmosis unit, and sewage reverse osmosis unit concentrated water pipeline is provided with the second feeding device, the depth
Film condensing device is spent by depth film condensing device water production pipeline and homogeneous device to be in fluid communication.
In the utility model some embodiments, the depth film condensing device is parallel grid rolling reverse-osmosis treated
Device, polyamide composite film, membrane component salt rejection rate 99%~99.5% are provided with the depth film condensing device.
In the utility model some embodiments, the settler passes through depth film condensing device concentrated water pipeline and depth
Spend film condensing device to be in fluid communication, the nanofiltration device is in fluid communication by nanofiltration device water production pipeline and homogeneous device.
In the utility model some embodiments, polyamide composite film, the nanofiltration dress are provided with the nanofiltration device
It is set to rolling nanofiltration device.
In the utility model some embodiments, the settler is perpendicular stream settler and/or sloping plate deposition dress
Put.
In the utility model some embodiments, the vaporising device passes through settler concentrated water pipeline and settler
It is in fluid communication, the condensing unit is in fluid communication by condensate return pipeline and homogeneous device.
In the utility model some embodiments, the vaporising device is provided with the 3rd feeding device.
In the utility model some embodiments, the vaporising device is provided with solid outlet.
Brief description of the drawings
Fig. 1 is shown as the utility model water treatment system schematic diagram.
Fig. 2 is shown as the utility model embodiment water process schematic diagram.
Component label instructions
1 coagulation device
2 sand filtering devices
21 sand filtering device inlet channels
22 sand filtering device outlet conduits
3 ultrafiltration apparatus
31 ultrafiltration apparatus concentrated water pipelines
32 ultrafiltration apparatus water production pipelines
4 homogeneous devices
41 homogeneous device outlet conduits
5 water body softening plants
51 water body softening plant waste solution channels
52 water body softening plant water production pipelines
6 sewage reverse osmosis units
61 first feeding devices
62 sewage reverse osmosis unit concentrated water pipelines
63 sewage reverse osmosis unit water production pipelines
64 concentrated water water-storing devices
65 the 4th feeding devices
7 depth film condensing devices
71 second feeding devices
72 depth film condensing device concentrated water pipelines
73 depth film condensing device water production pipelines
8 settlers
81 nanofiltration devices
82 settler concentrated water pipelines
83 nanofiltration device water production pipelines
9 vaporising devices
91 condensing units
92 condensate return pipelines
93 the 3rd feeding devices
10 recycle-water water-storing devices
Embodiment
The present utility model people passes through a large amount of exploratory developments, it was found that a kind of to can be used for handling automobile manufacturer wastewater
Method for treating water and system, the method for treating water and system processing gained water quality are good, meet《Urban sewage reutilization
Water quality standard for industries》(GB/T 19923-2005) and《Urban sewage reutilization urban reclaimed water water quality》 (GB/
T18920-2002) require, solve the problems, such as water saving in the prior art, emission reduction, high-quality reuse, complete this on this basis
Utility model.
On the one hand the utility model provides a kind of method for treating water, the method for treating water can include：By accessing pending water
Body carries out coagulating treatment, sand filtration processing and hyperfiltration treatment.
In method for treating water provided by the utility model, COD generally can be with ＜ 300mg/L, more in staying water
Body can be 80~300mg/L, TDS (total dissolvings that the pH of staying water generally can be in 7.5~8.5, staying water
Solid, Total dissolved solids) typically 600~1500.The staying water can be automobile making
Caused waste water carries out the water body of gained after certain pretreatment in factory, and the method for these pretreatments can be that this area is various
Method for treating water, such as can be various physics, chemistry, Biological water treatment methods, those skilled in the art can be according to water body
Parameter, select suitable preprocess method to handle caused waste water in automobile factory, water body is reached above-mentioned and provide
Staying water parameter.
In method for treating water provided by the utility model, the coagulating treatment generally can be to enter flocculant and water body
Row mixes, the method for treating water for making micelle material therein that cohesion and flocculation occur and separating, used in coagulating treatment
Flocculant can be one kind including but not limited in aluminium polychloride (PAC), bodied ferric sulfate (PFS), ferrous sulfate etc.
Or a variety of combinations, more specifically, the basicity of the PAC can be 65%~95%, and the dosage of flocculant can be 10
~50mg/L.
In method for treating water provided by the utility model, the sand filtration processing is often referred to sandstone (for example, natural quartz
Sand, gravel etc.) water filtration handling process process as filtrate, the particle diameter of sandstone is generally 1-8mm (for example, 1.0mm-
2.0mm, 2.0mm-4.0mm, 4mm-8mm etc.).That in the sand filtration processing gained water body can be COD=60~120mg/L,
PH value in the sand filtration processing gained water body can be 7~8, and the total alkalinity in the sand filtration processing gained water body is (with carbonic acid
Calcium meter) can be≤described in 150mg/L sand filtration processing gained water body in TDS can be 600~1000.
In method for treating water provided by the utility model, the hyperfiltration treatment is often referred to the film point using pressure as motive force
From technology, generally for the purpose of macromolecular and separation of small molecuies, film molecular weight cut off can be 125000-175000Da.It is described
Hyperfiltration treatment preferably uses cross-flow filtration, so as to produce water and hyperfiltration treatment institute as obtained by hyperfiltration treatment acquisition hyperfiltration treatment
Concentrated water is obtained, the overall rate of recovery (stereometer for pressing water body) of hyperfiltration treatment can be 85%~95%, concentrated water obtained by hyperfiltration treatment
It can be mixed in whole or in part with staying water, so as to realize reuse.Concentrated water obtained by hyperfiltration treatment with it is pending
Before water mixing, materializing strategy can also be subjected to, the materializing strategy is often referred to by method for treating water physically and/or chemically
Water body is handled, those skilled in the art can select suitable method for treating water to hyperfiltration treatment institute according to water body parameter
Obtain concentrated water to be handled, such as can be filter, coagulating sedimentation, coagulation air-float etc., water body obtained by the materializing strategy
Indicator of suspended solids can be 50mg/L~150mg/L.
In method for treating water provided by the utility model, it can also include：Production water obtained by hyperfiltration treatment is subjected to homogeneous
Processing.The homogenization is often referred to the water body in a variety of sources carrying out well-mixed processing procedure, in mixed process generally
The component in water body can be made fully dispersed, be uniformly distributed.Water body used in the homogenization can include hyperfiltration treatment
It is one or more in production water, nanofiltration processing production water, evaporation gained condensed water etc. obtained by gained production water, depth film concentration
Combination, the ratio between production water obtained by hyperfiltration treatment and depth film concentration gained production water can be 8：1~16：1, at ultrafiltration
Ratio between reason gained production water and nanofiltration processing production water can be 30：1~60：1, production water is with evaporating gained obtained by hyperfiltration treatment
Ratio between condensed water can be 30：1~60：1.
In method for treating water provided by the utility model, it can also include：Water body obtained by homogenization is softened
Processing.The sofening treatment is often referred to reduce the processing procedure of calcium magnesium content of material in water body, and those skilled in the art can root
According to the parameter of water body, select suitable mode to carry out sofening treatment to water body, it is for instance possible to use lime soda ash tenderizer, from
The method that son exchanges the softening, (total concentration of calcium ions and magnesium ions in water body, with CaCO of total hardness in water body obtained by the sofening treatment3
Meter) it is usually≤20mg/L.The ion exchange softening method can be (for example, Na types and H type compound trees using resin cation
Fat), swapped with the calcium ions and magnesium ions in water body, water body is softened, when needing regenerating resin (for example, resins exchange saturation
Afterwards), can by brine regeneration, so as to recycle, softening regeneration gained waste liquid can in whole or in part with it is pending
Water body is mixed, so as to realize reuse.Before softening regeneration gained waste liquid mixes with staying water, it can also be subjected at materialization
Reason, those skilled in the art can according to water body parameter, select suitable method for treating water to waste liquid obtained by sofening treatment at
Reason is so that the water body after processing reaches desired hardness number, such as can be medicament softening clarification, medicament softening ceramic membrane
Filtering, evaporation drying etc., the total hardness of water body can be with≤20mg/L obtained by materializing strategy.
In method for treating water provided by the utility model, it can also include：Production water obtained by sofening treatment is subjected to sewage
Reverse-osmosis treated, before sewage reverse-osmosis treated, the pH of production water obtained by sofening treatment is adjusted to acidity, and obtained by sofening treatment
Produce and antisludging agent A, reducing agent and bactericide are added in water.The reverse-osmosis treated is often referred to be using pressure differential as motive force, from molten
The membrane separation process of solvent is isolated in liquid, so as to reach the purpose of separation, extraction, purifying, concentration.The reverse osmosis
Processing can generally obtain production water obtained by sewage reverse-osmosis treated and sewage reverse-osmosis treated gained concentrated water thoroughly, can be by softening
Reason gained production water carries out one or many sewage reverse-osmosis treateds, concentrated water obtained by the sewage reverse-osmosis treated compared to softening at
Reason gained production water concentrates more than 10 times.Those skilled in the art can be according to water body obtained by water body parameter and sewage reverse-osmosis treated
It is expected parameter, select suitable sewage reverse-osmosis treated condition, it is for instance possible to use bridge formation aromatic polyamide composite membrane is carried out
Sewage reverse-osmosis treated is carried out, membrane component salt rejection rate can be 99.6%~99.8%；For another example it is anti-to carry out sewage twice
Infiltration is handled；For another example first time sewage reverse-osmosis treated uses antipollution bitter film, enter water conductivity 1000us/cm~
3000us/cm, the rate of recovery are controlled in 60%~75% (concentrating more than 3 times), and the electrical conductivity for producing water can be 20~50us/
Cm, second level counter-infiltration use the antipollution bitter film of wide runner, and it can be 3500us/cm~10000us/ to enter water conductivity
Cm, the rate of recovery are controlled in 65%~80% (concentrating more than 4 times), and the electrical conductivity for producing water can be 60~250us/cm, both
The ratio between aquifer yield may be about 2.5：1；For another example can adjust the pH of production water obtained by sofening treatment to acidity, preferably adjust
To pH=6.2-6.8, the pH value of suitable reagent regulation water body may be selected in those skilled in the art, it is for instance possible to use hydrochloric acid
And/or the pH value of production water obtained by sulfuric acid regulation sofening treatment, it can preferably use production water obtained by 10-30wt% regulation sofening treatments
PH value；For another example antisludging agent A can apply to the antisludging agent of bitter water reverse osmosis membrane, the antisludging agent A preferably can be with
For one or more combinations in AS200, MDC150 or PTP-0100 etc., antisludging agent A usage amount can be 1.5~
3mg/L；For another example the reducing agent can be one or more combinations in sodium hydrogensulfite, SGR-1530 or LD40 etc.,
The inventory of reducing agent is controlled by oxidation-reduction potential, and oxidation reduction potential control is in 250mV~300mV；For another example
The bactericide can be non oxidizing bactericide, and the bactericide is preferably DBNPA, dioxy cyano group methane or OIT
One or more combinations in；For another example when carrying out multiple sewage reverse-osmosis treated, before each secondary reverse-osmosis treated
To add antisludging agent A in water body.Production water can be brought out at water as qualified water body obtained by the sewage reverse-osmosis treated
Reason system, production water obtained by sewage reverse-osmosis treated can also generally carry out disinfection processing, and described disinfect is often referred to kill water
The processing procedure of pathogenic microorganism in body, those skilled in the art can select suitable method to be carried out disinfection to water body processing,
For example, it may be add disinfectant in water body, the disinfectant can be such as sodium hypochlorite, chlorine dioxide, chlorine, smelly
One or more combinations in oxygen, hydrogen peroxide etc., the usage amount of disinfectant ensure that recycle-water total plate count is less than 500CFU/
ml。
In method for treating water provided by the utility model, it can also include：Concentrated water obtained by sewage reverse-osmosis treated is entered
Row depth film concentration, production water is used for homogenization, depth film concentration obtained by least part of depth film concentration
Before, antisludging agent B is added in concentrated water obtained by sewage reverse-osmosis treated.The depth film concentration can obtain the concentration of depth film
Production water obtained by processing gained concentrated water and depth film concentration, the salt rejection rate (desalination of production water obtained by the depth film concentration
Rate=(salt content before salt content/sewage counter-infiltration twice in production water obtained by 1- depth films concentration in water body)) can be with
For 95~98%.The depth film concentration can be rolling reverse-osmosis treated, more specifically can be that parallel grid rolling is anti-
Infiltration is handled.Polyamide composite film can be used to carry out depth film concentration in the depth film concentration, membrane component takes off
Salt rate 99%~99.5%.The antisludging agent B can generally apply to the antisludging agent of coiled reverse osmosis membrane, the antisludging agent B
One or more combinations preferably in PTP-2000, PTP-Y2K or AS200 etc., antisludging agent B inventory can be 2~
3.5mg/L。
In method for treating water provided by the utility model, it can also include：Concentrated water obtained by depth film concentration is entered
Row precipitation process, nanofiltration processing is carried out during precipitation process to supernatant liquor, and at least part of nanofiltration processing production water is used at homogeneous
Reason.The precipitation process is often referred to the method for being separated the suspension in water body using precipitation, people in the art
Member can select suitable precipitation process condition according to the parameter of water body, it is for instance possible to use polyamide composite film is carried out at nanofiltration
Reason；For another example vertical sedimentation tank and/or inclined-plate clarifying basin can be used during precipitation process；For another example waterpower during precipitation process
Residence time can be 3~6 hours.The nanofiltration is often referred to the pressure in the NF membrane of several rans by pore diameter range
Membrane separating process is driven, the salt rejection rate of the nanofiltration processing can be 50~80% (that is, the salt content phases in nanofiltration processing production water
For the clearance of the salt content of sedimentation basin supernatant).Those skilled in the art can select suitable nanofiltration according to water body parameter
Treatment conditions, for example, using rolling nanofiltration when carrying out nanofiltration processing to supernatant liquor, it can more specifically use parallel grid rolling
Nanofiltration.
In method for treating water provided by the utility model, it can also include：Concentrate obtained by precipitation process is steamed
Hair, obtains condensed water and solid salt, and condensed water obtained by least part of evaporation is used for homogenization.Can be with the evaporation process
System is heated, the pressure of system can also be reduced, so as to lift the efficiency of evaporation process, for example, temperature during evaporation
It can be 45~65 DEG C；For another example pressure during evaporation can be -98kPa~-85kPa.Evaporation process generally can be by body
Water component in system separates as far as possible, for example, can be evaporated to residue solid aqueous rate is less than 10wt%.During in order to ensure evaporation
The stability of residue, defoamer can also be additionally added into concentrate in evaporation, the defoamer is preferably Hydrex
2982nd, one or more combinations in YK-F219 or 71D5plus etc..Residue obtained by evaporation process can be used as solid
Residue is transported outward, to carry out further suitable processing.
The utility model other hand carries water inlet system, and the system can include being used to staying water carrying out coagulation
The coagulation device 1 of processing.In the water treatment system, coagulation device generally can be mixed flocculant with water body, so as to
To water body carry out coagulating treatment, the coagulation device 1 can be staying water can be carried out temporary cache pool (for example,
Can be appropriate for pond body, tank body of water process etc.), will in pond body so as to accommodate a certain amount of staying water
Flocculant is sufficiently mixed with water body, and the coagulation device 1 can also be feeder etc. (for example, tubular static mixer, water sprayer
Deng similarly hereinafter), so as to be directly added into inlet pipeline flocculant or be applicable to water process pond body and/or
Tank body etc..
In water treatment system provided by the utility model, it can also include being used to water body obtained by coagulating treatment carrying out sand
The sand filtering device 2 of processing is filtered, the sand filtering device 2 can be in fluid communication with coagulation device 1, more specifically, the sand filtering device 2
It can be in fluid communication by sand filtering device inlet channel 21 and coagulation device 1, so as to which the water body after coagulating treatment will be subjected to
Sand filtering device 2 is introduced from coagulation device 1.The sand filtering device carries out the water process of sand filtration processing generally by sandstone to water body
Device, for example, it may be sand filter, sandfiltration pot etc., quartz sand and/or gravel, example can be generally provided with the sand filtering device 2
Such as, two layers of sandstone that particle diameter is 1mm-2mm and 2mm-4mm can be provided with, thickness can be respectively 400mm~500mm, 500mm
~600mm, one layer of gravel that particle diameter is 4mm-8mm is also provided with, thickness can be 200mm~300mm, and filtration flow-rate is usual
Less than 8m/h, cleaned by the way of carbonated drink backwashes simultaneously.
In water treatment system provided by the utility model, it can also include being used to be surpassed in sand filtration processing gained water body
The ultrafiltration apparatus 3 of processing is filtered, the ultrafiltration apparatus 3 can be in fluid communication with sand filtering device 2, more specifically, the ultrafiltration apparatus 3
It can be in fluid communication by sand filtering device outlet conduit 22 and sand filtering device 2, so as to the water body by sand filtration processing is subjected to certainly
Sand filtering device 2 introduces ultrafiltration apparatus 3.The ultrafiltration apparatus carries out the dress of hyperfiltration treatment generally by membrane separation technique to water body
Put, for example, it may be ultrafilter comprising milipore filter etc., the ultrafiltration apparatus 3 can be cross-flow ultrafiltration device, and the cross-flow surpasses
Filter device is often referred to carry out water body the hyperfiltration treatment device of cross-flow filtration (promoting feed liquid to be flowed parallel to film surface), so as to
Concentrated stream stock and production water stream are produced, the film of the ultrafiltration apparatus 3 selects PVDF materials, the cutting component 150000Da of film, film
Flux<50L/(m2*h).The ultrafiltration apparatus 3 can be connected by ultrafiltration apparatus concentrated water pipeline 31 and the water body entrance fluid of system
It is logical, can be with so as to by concentrate recirculation caused by hyperfiltration treatment to water inlet, on the ultrafiltration apparatus concentrated water pipeline 31
Provided with the apparatus for physical Chemical treating for carrying out materializing strategy to water body, so as to enter water-filling to concentrated water caused by hyperfiltration treatment
Processing, to reduce the suspension in water body, the apparatus for physical Chemical treating can be coagulative precipitation tank, coagulation floatation, filtering ponds
Deng.
In water treatment system provided by the utility model, it can also include being used to carry out water body obtained by hyperfiltration treatment
The homogeneous device 4 of matter processing, the homogeneous device 4 can be in fluid communication with ultrafiltration apparatus 3, more specifically, the homogeneous device 4
It can be in fluid communication by ultrafiltration apparatus water production pipeline 32 and ultrafiltration apparatus 3, so as to which water will be produced caused by hyperfiltration treatment
It is introduced into homogeneous device 4.The homogeneous device 4 is usually suitable for the pond body of water process and/or tank body etc., the homogeneous device
Agitator can be generally provided with 4, so as to so that each stream stock into homogeneous device 4 is sufficiently mixed.
In water treatment system provided by the utility model, it can also include soft for water body obtained by homogenization to be carried out
Change the water body softening plant 5 of processing, the water body softening plant 5 can be in fluid communication with homogeneous device 4, more specifically, described
Water body softening plant 5 can be in fluid communication by homogeneous device outlet conduit 41 and homogeneous device 4, so as to be subjected to homogeneous
The water body of processing is introduced into water body softening plant 5 from homogeneous device 4.The water body softening plant 5 is typically applied to each
Kind reduces the device of calcium ions and magnesium ions concentration in water body, for example, the water body softening plant 5 can include ion exchange resin
Post, the water body softening plant 5 can be by the resin cations (for example, Na types and H types hybrid resin) of filling, with flowing through
Calcium ions and magnesium ions in water body are swapped, and water body is softened, can when needing regenerating resin (for example, after resins exchange saturation)
With by brine regeneration, so as to recycle.The water body sofening treatment can generate production water stream and waste liquor stream stock, the water
Body softening plant 5 can generally be provided with water body softening plant waste solution channel 51 and/or water body softening plant water production pipeline 52, described
Water body softening plant 5 can be in fluid communication by water body softening plant waste solution channel 51 and the water body entrance of system, so as to
Waste liquor stream stock caused by water body sofening treatment (for example, softening regeneration gained waste liquid) is back to water inlet, the water body is soft
The apparatus for physical Chemical treating being additionally provided with waste solution channel 51 for carrying out materializing strategy to water body is put in makeup, so as to soft to water body
Waste liquid caused by change processing carries out water process, and to reduce the hardness in water body, the apparatus for physical Chemical treating can be that medicament is soft
Change depositing reservoir, medicament softening ceramic membrane filter device, evaporation drying device etc..
, can also be including being used to that dirt will to be carried out by production water obtained by sofening treatment in water treatment system provided by the utility model
The sewage reverse osmosis unit 6 of water reverse-osmosis treated, the sewage reverse osmosis unit 6 can be in fluid communication with water body softening plant 5
And the first feeding device 61 can be provided with connecting pipe, more specifically, the sewage reverse osmosis unit 6 can be soft by water body
Makeup is put water production pipeline 52 and is in fluid communication with water body softening plant 5, so as to the production water that is generated water body sofening treatment oneself
Water body softening plant 5 is introduced into sewage reverse osmosis unit 6.First is also provided with the water body softening plant water production pipeline 52
Feeding device 61, first feeding device can be such as feeder, so as to which the material for needing to dose is added into water
In the production water that body sofening treatment is generated.The sewage reverse osmosis unit is often referred to by reverse-osmosis treated, so as to from solution
Solvent is isolated, so as to reach the purpose of separation, extraction, purifying, concentration membrane-separation water treatment device, for example, it may be
Reverse osmosis filter including reverse osmosis membrane, reverse osmosis membrane can be provided with the sewage reverse osmosis unit 6, can more specifically be set
There is a bridge formation aromatic polyamide composite membrane, the salt rejection rate of membrane component can be 99.6%~99.8%, and feed water runner width can be with
For 34mil, the reverse osmosis membrane generally has the characteristics that antipollution, chemically-resistant cleaning, and can change film surface electric charge and
Smoothness, greatly reduce dirty stifled.The sewage reverse osmosis unit 6 can be multi-stage sewage reverse osmosis unit, the multi-stage sewage
Reverse osmosis unit is often referred to the water treatment facilities for including multiple reverse osmosis filters, can be according between reverse osmosis filters at different levels
Secondary fluid communication, for example, it may be series connection etc..The outlet conduit of sewage reverse osmosis filters at different levels at least partially or fully can
So that provided with concentrated water water-storing device 64, the concentrated water water-storing device 64 can be pond body and/or tank body etc., so as to store dirt
Concentrated water obtained by water reverse-osmosis treated.The water inlet pipe of sewage reverse osmosis filters at different levels at least partially or fully is also provided with
4th feeding device 65, the feeding device can be feeders etc., so as to be passed through in water body into sewage reverse osmosis at different levels
Material is added in water body before filter.
In water treatment system provided by the utility model, it can also include being used for the recycle-water water storage for storing qualified water outlet
Device 10, the recycle-water water-storing device 10 can pass through sewage reverse osmosis unit water production pipeline 63 and sewage reverse osmosis unit 6
It is in fluid communication, so as to which production water obtained by sewage reverse-osmosis treated is introduced into recycle-water water-storing device from sewage reverse osmosis unit 6
In 10, the recycle-water water-storing device 10 can apply to pond body and/or tank body of water process etc..
In water treatment system provided by the utility model, it can also include being used for concentrated water obtained by sewage reverse-osmosis treated
The depth film condensing device 7 of depth film concentration is carried out, the depth film condensing device 7 can be with sewage reverse osmosis unit 6
It is in fluid communication and can be provided with the second feeding device 71 on connecting pipe, the depth film condensing device 7 can also fills with homogeneous
4 fluid communication are put, more specifically, the depth film condensing device 7 can pass through sewage reverse osmosis unit concentrated water pipeline 62 and dirt
Water reverse osmosis unit 6 is in fluid communication and sewage reverse osmosis unit concentrated water pipeline 62 is provided with the second feeding device 71, so as to
Concentrated water obtained by sewage reverse-osmosis treated is introduced into depth film condensing device 7 from sewage reverse osmosis unit 6, the depth film concentration
Device 7 is in fluid communication by depth film condensing device water production pipeline 73 with homogeneous device 4, so as to by depth film concentration
Gained production water is introduced into homogeneous device 4.Second feeding device 71 can be such as feeder, so as to need to fill out
The material added is added in concentrated water obtained by sewage reverse-osmosis treated, and the depth film condensing device 7 can be rolling reverse-osmosis treated
Device, for example, rolling reverse osmosis filter, polyamide composite film, membrane component salt rejection rate are provided with the depth film condensing device 7
99%~99.5%.The depth film condensing device can use the opening runner of parallel grid, the depth film condensing device
Middle reverse osmosis membrane uses parallel grid rolled film, reduces dirty stifled, while blade shortens when diaphragm rolls, and increases blade quantity, increases
Strong antifouling property, the advantage of open channel and the aspect design of rolled membrane module two is combined, reduces pollution and fouling is asked
Topic.
In water treatment system provided by the utility model, it can also include being used for concentrated water obtained by depth film concentration
The settler 8 of precipitation process is carried out, the settler 8 is in fluid communication with depth film condensing device 7, the settler 8
In be additionally provided with the nanofiltration device 81 that supernatant liquor during for precipitation process carries out nanofiltration processing, the nanofiltration device 81 and homogeneous
Device 4 is in fluid communication, and more specifically, the settler 8 is concentrated by depth film condensing device concentrated water pipeline 72 and depth film
Device 7 is in fluid communication, so as to which concentrated water obtained by depth film concentration is introduced into settler 8 from depth film condensing device 7
In, the nanofiltration device 81 is in fluid communication by nanofiltration device water production pipeline 83 and homogeneous device 4, so as to which nanofiltration is handled
Production water is introduced into homogeneous device 4 from nanofiltration device 81.The settler (8) can be sedimentation basin and/or settling tank etc., described
Settler is usually perpendicular stream settler (for example, vertical sedimentation basin) and/or swash plate (pipe) settler (for example, swash plate
(pipe) sedimentation basin).The nanofiltration device can carry out pressure-driven using NF membrane of the pore diameter range in several rans
The water treatment facilities of UF membrane, for example, nano-filtration membrane filter, the nanofiltration device 81 can be rolling nanofiltration device, described to receive
Polyamide composite film can be provided with filter device 81, molecular weight cut off is about 500Da.The nanofiltration device 81 can also use flat
The opening runner of row grid, the NF membrane in the nanofiltration device use parallel grid rolled film, combine open channel and
The advantage of the aspect design of rolled membrane module two, reduce pollution, dirty stifled and scale problems.
In water treatment system provided by the utility model, it can also include being used to carry out concentrate obtained by precipitation process
The vaporising device 9 of evaporation, the vaporising device 9 can be in fluid communication with settler 8, can be provided with the vaporising device 9
Condensing unit 91, the condensing unit 91 can be in fluid communication with homogeneous device 4, and more specifically, the vaporising device 9 can lead to
Cross settler concentrated water pipeline 82 with settler 8 to be in fluid communication, so as to which concentrate caused by settler 8 is introduced
In vaporising device 9, the condensing unit 91 can be in fluid communication by condensate return pipeline 92 and homogeneous device 4, so as to
So that condensed water autocondensation device 91 is introduced into homogeneous device 4.The vaporising device can generally be provided with the tank body of heating source,
Such as can be reactor etc., the 3rd feeding device 93 is also provided with the vaporising device 9, the 3rd feeding device can
To be charge door to be opened/closed etc., so as to which required material is added in vaporising device.As a rule, evaporation can be filled
Put gas caused by 9 to be introduced into condensing unit 91, so as to which gas is condensed into liquid, condensation gained liquid can introduce homogeneous
In device 4, the condensing unit can be provided with low-temperature receiver for example, pipeline of cooling water etc..The vaporising device 9 is generally additionally provided with
Solid outlet, so as to which the solid waste obtained by evaporation process is drawn into vaporising device 9, to carry out further work-up.
As described above, method for treating water provided by the utility model and system, available for handling automobile manufacturer wastewater
Processing, the quality of reused water obtained by the method for wastewater treatment and system is good, meets《Urban sewage reutilization industrial water water
Matter standard》(GB/T 19923-2005) and《Urban sewage reutilization urban reclaimed water water quality》(GB/T18920-2002)
Ask, can be used as afforesting, flush the toilet, road surface is poured and miscellaneous water, recirculated cooling water moisturizing, paint shop's paint line degreasing and the flood such as spills
The process sections such as stream are required (electrical conductivity is less than 200us/cm) with water；Solid waste water content is less than 10%, and this effect drops in decrement
Substantially, whole technique only has a small amount of concentrate by being evaporated in vacuo, and is a kind of liquid zero emission process of low energy consumption and is
System.
Illustrate embodiment of the present utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the present utility model easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With, without departing from it is of the present utility model spirit under carry out various modifications or alterations.
It should be clear that in the following example not specifically dated process equipment or device using conventional equipment in the art or
Device.
In addition, it is to be understood that the one or more method and steps mentioned in the utility model do not repel in the combination step
It is front and rear to have other method step or other method step can also be inserted between the step of these are specifically mentioned, remove
It is non-to be otherwise noted；It should also be understood that the combination annexation between the one or more equipment/devices mentioned in the utility model is simultaneously
Do not repel two that there can also be other equipment/device before and after the unit equipment/device or specifically mention at these to set
Other equipment/device can also be inserted between standby/device, unless otherwise indicated.Moreover, unless otherwise indicated, various method steps
Numbering be only differentiate various method steps convenient tool, rather than for limitation various method steps ordering or limit this practicality
New enforceable scope, its relativeness are altered or modified, in the case where changing technology contents without essence, when being also considered as
The enforceable category of the utility model.
Embodiment 1
Staying water parameter is as follows：Chlorion：18~182mg/L；Iron ion：0.022~0.201mg/L；Total hardness
(with CaCO3Meter) 176~376mg/L；Ammonia nitrogen (NH3-N) 4~36mg/L；TDS：624~1684mg/L；CODcr129~
297mg/L。
Processing technological flow figure used in embodiment is as shown in figure 1, specifically follow these steps to carry out：
A. water body (the specific ginseng of staying water by caused waste water in automobile factory after materialization, biological treatment
Number is as above), handled by coagulation, sand filtration；
B. the water outlet of the sand filter enters ultrafiltration progress separation of solid and liquid, and the concentrated water of ultrafiltration is returned at materialization leading portion
Reason；Hyperfiltration treatment water 18m3/ h, use 6 external compression type hollow fiber ultrafiltration membranes (film wire material for PVDF, membrane area 72m2, cut
Cut molecular weight 150000Da), cross-flow filtration, the rate of recovery 90%, delivery turbidity is less than 1NTU；
C. ultrafiltration production water enters intermediate water tank homogeneous in intermediate water tank together with other waters, ultrafiltration production water/depth film
The ratio of concentration production water/nanofiltration production water/evaporator production water is about 16:1:0.1:0.05, the water after homogeneous enters melded system；It is soft
Change regeneration liquid waste part time materialization leading portion inclined-plate clarifying basin to be handled, enter cold boiler on a small quantity and handle；
D. it is 6.5 softening production water addition hydrochloric acid or sulfuric acid to be reconciled to acid pH, strengthens the scale inhibition effect of antisludging agent, simultaneously
Reduce basicity；And add antisludging agent A (GE MDC150 1.5mg/L), reducing agent (traditional Chinese medicines reagent sodium hydrogensulfite 5mg/L) and kill
Microbial inoculum (DOW RO-20, intermittence add 20mg/L) carries out sewage counter-infiltration 1 and handled afterwards, using 18 8 inches of TFC antipollutions
Film, arrange ratio 2：1, the rate of recovery 66%, obtain (the about 12m of reverse osmosis produced water 13/ h) and (the about 6m of reverse osmosis concentrated water 13/ h), electricity
Conductance respectively may be about 35us/cm and 8500us/cm；
E. reverse osmosis produced water 1 enters reuse pool progress reuse；Reverse osmosis concentrated water 1, then add antisludging agent A (GE MDC150
Sewage counter-infiltration 2 1.5mg/L) is carried out afterwards to handle, and using 88 inches of TFC pollution-resistant membranes, arranges ratio 1：1, circular flow
3m3/h, the rate of recovery 75%, obtain (the about 4.5m of reverse osmosis produced water 23/ h) and (the about 1.5m of reverse osmosis concentrated water 23/ h), electrical conductivity difference
About 200us/cm and 25000us/cm；
F. reverse osmosis produced water 2 enters reuse pool progress reuse；Reverse osmosis concentrated water 2, then add antisludging agent B (Espere
AS200 2mg/L) depth film concentration is carried out afterwards, using 38 inches of STRO (Tao Shi desalinization ULE diaphragms), arrange ratio
Example 1：1, circular flow 8.5m3/h, the rate of recovery 60%, obtain depth film concentration production water (about 1m3/ h) and the concentration of depth film
Handle concentrated water (about 0.5m3/ h), electrical conductivity respectively may be about 650us/cm and 60000us/cm；
G. depth film concentration production water enters intermediate water tank homogeneous；Depth film concentration concentrated water, into crystal settling
Pond (vertical sedimentation basin), by parallel grid rolling nanofiltration, using 18 inches of STNF (TRISEP XN45 nanofiltrations diaphragm),
The rate of recovery 50%, to supernatant circulation concentration in sedimentation basin, obtain parallel grid rolling nanofiltration production water (about 0.3m3/ h, electrical conductivity
~9000us/cm)；Parallel grid rolling nanofiltration production water section enters intermediate water tank homogeneous, partly into reuse pool and sewage
Industrial water is supplied after reverse osmosis produced water mixing；
H. the concentrate in crystal settling bottom of pond portion about 0.2m3/ h dries into cold boiler, and Vacuum Evaporation Process is automatic
Defoamer (according to section YK-219, dosage is about 20ml/250L concentrates) is added, obtaining condensed water and solid salt, (moisture content is low
In 10wt%)；Condensate portion returns biochemistry pool and carries out biodegradable, about 0.15m3/ h, partly into intermediate water tank homogeneous, about
0.05m3/h；Outward transport is disposed as dangerous waste after solid salt is collected.
Place of the staying water through coagulation sand filtration+ultrafiltration+softening+three-level reverse-osmosis treated+nanofiltration concentration vacuum evaporation
Reason, run by the practical stability more than half a year, producing water water quality is：35~165us/cm of electrical conductivity；Turbidity<0.9NTU；CODcr<
15mg/L；Calcium hardness/(in terms of CaCO3)<1mg/L, producing water water quality are substantially better than《Code for design of industrial recirculating cooling water treatment》
(GB 50050-2007) Standard of reclaimed water, fully meets the process sections such as paint shop's paint line degreasing and mighty torrent
Required (electrical conductivity is less than 200us/cm) with water, TDS about 80000mg/L in crystal settling pond, the concentration rate nearly 70 of film concentration
Times, for concentrate after vacuum evaporation, solid aqueous rate is less than 10wt%, realizes the full reuse of recycled water, the zero-emission mesh of liquid
Mark.
In summary, the utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value
Value.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (9)
1. a kind of water treatment system, including：
For staying water to be carried out to the coagulation device (1) of coagulating treatment；
For water body obtained by coagulating treatment to be carried out to the sand filtering device (2) of sand filtration processing, the sand filtering device (2) and coagulation device
(1) it is in fluid communication；
For sand filtration to be handled to the ultrafiltration apparatus (3) of gained water body progress hyperfiltration treatment, the ultrafiltration apparatus (3) and sand filtering device
(2) it is in fluid communication；
For water body obtained by hyperfiltration treatment to be carried out to the homogeneous device (4) of homogenization, the homogeneous device (4) and ultrafiltration apparatus
(3) it is in fluid communication；
For water body obtained by homogenization to carry out to the water body softening plant (5) of sofening treatment, the water body softening plant (5) with
Homogeneous device (4) is in fluid communication；
For production water obtained by sofening treatment to be carried out to the sewage reverse osmosis unit (6) of sewage reverse-osmosis treated, the sewage reverse osmosis
Saturating device (6) is in fluid communication with water body softening plant (5) and connecting pipe is provided with the first feeding device (61)；
For concentrated water obtained by sewage reverse-osmosis treated to be carried out to the depth film condensing device (7) of depth film concentration, the depth
Degree film condensing device (7) is in fluid communication with sewage reverse osmosis unit (6) and connecting pipe is provided with the second feeding device (71), institute
Depth film condensing device (7) is stated also with homogeneous device (4) to be in fluid communication；
For concentrated water obtained by depth film concentration to be carried out to the settler (8) of precipitation process, the settler (8) and depth
Spend film condensing device (7) to be in fluid communication, supernatant liquor is received when being additionally provided with the settler (8) for precipitation process
The nanofiltration device (81) of processing is filtered, the nanofiltration device (81) is in fluid communication with homogeneous device (4)；
For the vaporising device (9) for being evaporated concentrate obtained by precipitation process, the vaporising device (9) and settler
(8) it is in fluid communication, the vaporising device (9) is provided with condensing unit (91), and the condensing unit (91) is flowed with homogeneous device (4)
Body connects.
2. water treatment system as claimed in claim 1, it is characterised in that the sand filtering device (2) is intake by sand filtering device
Pipeline (21) is in fluid communication with coagulation device (1), and quartz sand and/or gravel are provided with the sand filtering device (2).
3. water treatment system as claimed in claim 1, it is characterised in that the ultrafiltration apparatus (3) passes through sand filtering device water outlet
Pipeline (22) is in fluid communication with sand filtering device (2), and the ultrafiltration apparatus (3) is cross-flow ultrafiltration device, and the ultrafiltration apparatus (3) is logical
Cross ultrafiltration apparatus concentrated water pipeline (31) and the water body entrance of system is in fluid communication, ultrafiltration apparatus (3) membrane aperture<0.02um,
Molecular weight cut off 150000Da.
4. water treatment system as claimed in claim 1, it is characterised in that the homogeneous device (4) produces water by ultrafiltration apparatus
Pipeline (32) is in fluid communication with ultrafiltration apparatus (3).
5. water treatment system as claimed in claim 1, it is characterised in that the water body softening plant (5) passes through homogeneous device
Outlet conduit (41) is in fluid communication with homogeneous device (4), and the water body softening plant (5) passes through water body softening plant waste solution channel
(51) the water body entrance with system is in fluid communication, and resin cation is provided with the water body softening plant (5).
6. water treatment system as claimed in claim 1, it is characterised in that the sewage reverse osmosis unit (6) is soft by water body
Makeup is put water production pipeline (52) and is in fluid communication with water body softening plant (5), is set on the water body softening plant water production pipeline (52)
There are the first feeding device (61), in addition to a recycle-water water-storing device (10), the recycle-water water-storing device (10) is anti-by sewage
Permeability apparatus water production pipeline (63) is in fluid communication with sewage reverse osmosis unit (6), and the sewage reverse osmosis unit (6) is multistage dirty
Water reverse osmosis unit, the outlet conduit of sewage reverse osmosis units at different levels are equipped with concentrated water water-storing device (64), sewage reverse osmosis at different levels
The water inlet pipe of saturating device is equipped with feeding device, is answered in the sewage reverse osmosis unit (6) provided with bridge formation aromatic polyamide
Film is closed, membrane component salt rejection rate is 99.6%~99.8%.
7. water treatment system as claimed in claim 1, it is characterised in that the depth film condensing device (7) is anti-by sewage
Permeability apparatus concentrated water pipeline (62) is in fluid communication with sewage reverse osmosis unit (6), and sewage reverse osmosis unit concentrated water pipeline (62)
Be provided with the second feeding device (71), the depth film condensing device (7) by depth film condensing device water production pipeline (73) with
Homogeneous device (4) is in fluid communication, and the depth film condensing device (7) is parallel grid rolling reverse osmosis treatment device, the depth
Polyamide composite film, membrane component salt rejection rate 99%~99.5% are provided with degree film condensing device (7).
8. water treatment system as claimed in claim 1, it is characterised in that the settler (8) is concentrated by depth film and filled
Put concentrated water pipeline (72) with depth film condensing device (7) to be in fluid communication, the nanofiltration device (81) passes through nanofiltration device water producing pipe
Road (83) is in fluid communication with homogeneous device (4), and polyamide composite film, the nanofiltration device are provided with the nanofiltration device (81)
(81) it is rolling nanofiltration device, the settler (8) is perpendicular stream settler and/or inclined plate sedimentation device.
9. water treatment system as claimed in claim 1, it is characterised in that the vaporising device (9) passes through settler concentrated water
Pipeline (82) is in fluid communication with settler (8), and the condensing unit (91) is filled by condensate return pipeline (92) and homogeneous
(4) fluid communication is put, the vaporising device (9) is provided with the 3rd feeding device (93), and the vaporising device (9) goes out provided with solid
Material mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991525.5U CN207210177U (en) | 2017-08-09 | 2017-08-09 | A kind of water treatment system that can be used for processing automobile manufacturer wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991525.5U CN207210177U (en) | 2017-08-09 | 2017-08-09 | A kind of water treatment system that can be used for processing automobile manufacturer wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN207210177U true CN207210177U (en) | 2018-04-10 |
Family
ID=61818162
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720991525.5U Active CN207210177U (en) | 2017-08-09 | 2017-08-09 | A kind of water treatment system that can be used for processing automobile manufacturer wastewater |
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| Country | Link |
|---|---|
| CN (1) | CN207210177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365006A (en) * | 2017-08-09 | 2017-11-21 | 上海依科绿色工程有限公司 | A kind of method for treating water and system that can be used for processing automobile manufacturer wastewater |
| CN108947078A (en) * | 2018-09-19 | 2018-12-07 | 联洲环保科技（太仓）有限公司 | A kind of coating wastewater evaporation treatment process |
-
2017
- 2017-08-09 CN CN201720991525.5U patent/CN207210177U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365006A (en) * | 2017-08-09 | 2017-11-21 | 上海依科绿色工程有限公司 | A kind of method for treating water and system that can be used for processing automobile manufacturer wastewater |
| CN108947078A (en) * | 2018-09-19 | 2018-12-07 | 联洲环保科技（太仓）有限公司 | A kind of coating wastewater evaporation treatment process |
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