CN209554948U - High rigidity brackish water desalination processing system - Google Patents
High rigidity brackish water desalination processing system Download PDFInfo
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- CN209554948U CN209554948U CN201920142394.2U CN201920142394U CN209554948U CN 209554948 U CN209554948 U CN 209554948U CN 201920142394 U CN201920142394 U CN 201920142394U CN 209554948 U CN209554948 U CN 209554948U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 48
- 238000001471 micro-filtration Methods 0.000 claims abstract description 46
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 239000000126 substance Substances 0.000 claims abstract description 28
- 125000004122 cyclic group Chemical group 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000010802 sludge Substances 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 238000011001 backwashing Methods 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 235000020188 drinking water Nutrition 0.000 claims description 7
- 239000003651 drinking water Substances 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 5
- 230000001914 calming effect Effects 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000010979 pH adjustment Methods 0.000 abstract description 2
- 230000004907 flux Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910001425 magnesium ion Inorganic materials 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model belongs to a kind of high rigidity brackish water desalination processing system and its process, including including water source pump (22), it is characterized in that the water outlet pipeline of water circulating pump (5) is connected to tube microfiltration membrane (6) lower end it is characterized in that reactive tank (3) is connected to pipeline with the metering pump one (13-2) in NaOH chemicals dosing plant (13) respectively；The lower left side pipeline of intermediate water tank (7) is connected to the entrance of high-pressure pump (8)；The outlet pipeline of high-pressure pump (8) and threeway and bitter reverse osmosis membrane assembly (9) lower end and reverse osmosis cleaning pump (18) outlet.The process of high rigidity brackish water desalination processing system is: the reaction of a. hard-off degree；B. tube microfiltration membrane separates；C.pH adjustment；D. reverse osmosis deaslination e. is sterilized；F. tube microfiltration membrane cleans；G. reverse osmosis membrane cleans.
Description
Technical field
The utility model belongs to the processing system of water, in particular to a kind of high rigidity brackish water desalination processing system and its work
Process.
Background technique
Water is lifespring, is that the mankind depend on for existence and development irreplaceable resource and social and economic development
Important material base.Water is basic natural resources, strategic economic resources and public character the society money of human social development
Source, the sustainable use of water resource are the guarantees for realizing that the sustainable development of socio-economy is particularly important.
China is the country of a serious water shortage, and the occupancy volume per person of water resource is about 2400m3, only global water per capita
The 1/4 of amount, and spatial and temporal distributions are uneven.Water environment pollution is more serious, and primary poor quality water distribution is wide, especially northwest drought
Hinterland, due to precipitation rareness, evaporation is strong, and water resource is naturally deficient, earth's surface and underground as main resource of water supply
Water generally has the characteristics that salt content, fluorinated volume and with high hardness, and most area is again without alternative freshwater resources.Due to
Water quality is inferior, and mouthfeel is very poor, or even cannot drink, and wherein many index does not meet or is not achieved national " sanitary standard for drinking water "
High salt concentration alkali composition is shown as, more has the feature of high rigidity, high fluorine, high arsenic, high ferrimanganic, low iodine, low selenium, for many years seriously
Affect the quality of life and body health level of the local people masses.
The brackish water and brackish water allowable exploitation in northwest China area are up to 3,000,000,000 m3/ a or more is not as that in the imagination
Water shortage, but bitter can not directly be drunk or directly as industrial water water source, thus appropriate exploitation bitter for
It ensures China, water resources shortage area, part drinking water safety, promotes local economic civilization stable development to have highly important
Meaning.
General bitter purification process is more mature, and that applies at present mainly has electroosmose process and hyperfiltration.But
The bitter purification of high rigidity and ultrahigh hardness for hardness higher than 1000mg/L, directlys adopt conventional filtering, softening etc.
Pretreating process is unable to reach the water inlet requirement of reverse osmosis process, leads to the device in subsequent counter-infiltration system frequent jams system
It is unable to operate stably, keeps service life of equipment short, fluctuation of service causes reverse osmosis membrane using high polymer coagulants such as PAM
Pollution, threatens to the safety of drinking water, is unfavorable for the utilization of resources to bitter.
Summary of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of embrane method applied at present of solving is provided for high rigidity
And difficult, system fluctuation of service is pre-processed in ultrahigh hardness brackish water desalination technique；Prevent for high polymer coagulants such as PAM
Use, extend the service life of counter-infiltration system, avoid pollution of the high polymer coagulant to reverse osmosis membrane, reduce macromolecule wadding
Solidifying threat of the agent to drinking water safety, realizes the high rigidity brackish water desalination of the efficient resource utilization of high rigidity bitter
Processing system.
The utility model solve technical problem the technical solution adopted is that: a kind of high rigidity brackish water desalination processing system
System is squeezed into the high rigidity bitter in water source in regulating tank by pipeline including being pumped with water source, and the water in regulating tank is again
It is connected to by pipeline with reactive tank with pump is adjusted；It is characterized in that reactive tank uses the metering in pipeline and NaOH chemicals dosing plant respectively
One connection of pump, with Na2CO3Metering pump two in chemicals dosing plant is connected to；With the metering pump tee joint in flocculant chemicals dosing plant；Instead
The upper water surface pipeline of slot is answered to be connected to cyclic water tank, the reactive tank water surface is higher than the water surface of cyclic water tank；The bottom of cyclic water tank
Left side pipeline is connected to sludge storage pool bottom, and bottom left pipeline is connected to the water inlet of water circulating pump, water circulating pump
Water outlet pipeline is connected to tube microfiltration membrane lower end；The threeway of tube microfiltration membrane upper end and pipeline and cyclic water tank and micro-filtration are clear
Water tank connection；Micro-filtration cleaning water tank lower end pipeline is connected to the water inlet of micro-filtration cleaning pump, the water outlet of micro-filtration cleaning pump
Be connected to by threeway with tube microfiltration membrane lower end with pipeline, tube microfiltration membrane also use pipeline and threeway respectively with micro-filtration pulse backwashing
Device connection, micro-filtration pulse backwashing device other end compressed air line are connected to the solenoid valve in control system of calming the anger, and
It is controlled；The suitable for reading of intermediate water tank is connected to pipeline with the metering pump four in sour chemicals dosing plant；The lower left side of intermediate water tank is used
Pipeline is connected to the entrance of high-pressure pump；The outlet pipeline of high-pressure pump and threeway and bitter reverse osmosis membrane assembly left end and reverse osmosis
Saturating cleaning pump outlet；The entrance pipeline of infiltration cleaning pump is connected to reverse osmosis cleaning water tank；Bitter reverse osmosis membrane group
The right end of part uses pipeline to be connected to product water tank respectively, and is connected to drainpipe outside valvular concentrated water is filled on pipeline；It is bitter salty
The bottom righthand side pipeline of water reverse osmosis membrane assembly is connected to reverse osmosis cleaning water tank upper；Product water tank is connected to Sterilizing water tank,
Sterilizing water tank pipeline supplying drinking water.
Electric blender one is housed in the reactive tank, electric blender two, NaOH dosing dress are housed in intermediate water tank
Electric blender three, Na are housed in setting2CO3Electric blender four is housed in chemicals dosing plant, is equipped in flocculant chemicals dosing plant electronic
Blender five.
The process of high rigidity brackish water desalination processing system is: passing through water inlet pipe A for high rigidity with water source pump first
Bitter is got in regulating tank, then is got to the water in regulating tank in reactive tank by pipeline with pump is adjusted, pending water
Amount is 100 cubic metres.
The beneficial effects of the utility model are: the utility model realizes the recycling of high rigidity and ultrahigh hardness bitter
It utilizes, has saved water resource；Water quality is higher than " groundwater quality standard " (GB/T14848-2017)Class standard；Total system
It avoids using PAM high polymer coagulant, reduces sludge quantity, avoid the influence to reverse osmosis membrane and producing water water quality；It adopts
Removal is efficiently separated to high-concentration Ca magnesium ion with chemical precipitation and tube microfiltration membrane partition method, eliminates sedimentation basin, filter,
It saves floor occupying area, reduces investment operating cost.
Detailed description of the invention
Fig. 1 is the systematic schematic diagram of high rigidity brackish water desalination processing system and its process.
In figure: 1- regulating tank；2- adjusts pump；3- reactive tank；3-1- electric blender one；4- cyclic water tank；5- circulation
Water pump；6- tube microfiltration membrane；7- intermediate water tank；7-1- electric blender two；8- high-pressure pump；9- bitter reverse osmosis membrane assembly；
The outer row pipeline of 9-1- concentrated water；10- product water tank；11- Sterilizing water tank；12- sludge storage pool；12-1- sludge dewatering pipe；13- NaOH
Chemicals dosing plant；13-1- electric blender three；13-2- metering pump one；14-Na2CO3Chemicals dosing plant；14-1- electric blender four；
14-2- metering pump two；15- flocculant chemicals dosing plant；15-1- electric blender five；15-2- metering pump three；The cleaning of 16- micro-filtration
Pump；17- micro-filtration cleans water tank；The reverse osmosis cleaning pump of 18-；The reverse osmosis cleaning water tank of 19-；20- micro-filtration pulse backwashing device；20-1
Compressed air line；21- acid chemicals dosing plant；21-1- metering pump four；22- washing pump；23- valve.
Specific embodiment
Embodiment one, referring to attached drawing, a kind of high rigidity brackish water desalination processing system and its process, including with water source
Pump 22 squeezes into the high rigidity bitter in water source in regulating tank 1 by pipeline, and the water in regulating tank 1 is again with adjusting pump 2
It is connected to by pipeline with reactive tank 3；It is characterized in that reactive tank 3 is respectively with the metering pump one in pipeline and NaOH chemicals dosing plant 13
13-2 connection, with Na2CO3Two 14-2 of metering pump connection in chemicals dosing plant 14；With the metering pump three in flocculant chemicals dosing plant 15
15-2 connection；The upper water surface pipeline of reactive tank 3 is connected to cyclic water tank 4, and 3 water surface of reactive tank is higher than the water surface of cyclic water tank 4；
The bottom left pipeline of cyclic water tank 4 is connected to 12 bottom of sludge storage pool, and bottom left pipeline enters water with water circulating pump 5
Mouth connection, the water outlet pipeline of water circulating pump 5 are connected to 6 lower end of tube microfiltration membrane；6 upper end threeway of tube microfiltration membrane and pipe
Road is connected to cyclic water tank 4 and micro-filtration cleaning water tank 17；Micro-filtration cleaning 17 lower end pipeline of water tank enters with micro-filtration cleaning pump 16
The water outlet of mouth of a river connection, micro-filtration cleaning pump 16 is connected to by threeway with 6 lower end of tube microfiltration membrane with pipeline, tube microfiltration membrane 6
It is also connected to respectively with micro-filtration pulse backwashing device 20 with pipeline and threeway, 20 other end compressed air of micro-filtration pulse backwashing device
Pipeline 20-1 is connected to the solenoid valve in control system of calming the anger, and is controlled；The suitable for reading of intermediate water tank 7 uses pipeline and sour dosing
Four 21-1 of metering pump connection in device 21；The lower left side pipeline of intermediate water tank 7 is connected to the entrance of high-pressure pump 8；High-pressure pump 8
Outlet pipeline and threeway and 18 outlet of 9 left end of bitter reverse osmosis membrane assembly and reverse osmosis cleaning pump；Infiltration cleaning
The entrance pipeline of pump 18 is connected to reverse osmosis cleaning water tank 19；The right end of bitter reverse osmosis membrane assembly 9 use respectively pipeline with
Product water tank 10 is connected to, and is connected to drainpipe 9-1 outside the concentrated water of valve 23 is equipped on pipeline；Bitter reverse osmosis membrane assembly
9 bottom righthand side pipeline is connected to reverse osmosis 19 top of cleaning water tank；Product water tank 10 is connected to Sterilizing water tank 11, Sterilizing water tank
11 use pipeline supplying drinking water.
One 3-1 of electric blender is housed in the reactive tank 3, two 7-1 of electric blender is housed in intermediate water tank 7,
Three 13-1 of electric blender, Na are housed in NaOH chemicals dosing plant 132CO3Four 14-1 of electric blender, wadding are housed in chemicals dosing plant 14
Five 15-1 of electric blender is housed in solidifying agent chemicals dosing plant 15.
High rigidity brackish water desalination processing system is: first being beaten high rigidity bitter by water inlet pipe A with water source pump 22
The water in regulating tank 1 is got in reactive tank 3 by pipeline into regulating tank 1, then with pump 2 is adjusted, water to be processed is
100 cubic metres, take following steps:
A. hard-off degree reacts: be packed into tap water into NaOH chemicals dosing plant 13, water be every cube of water to be processed for 2 ~
20 liters, NaOH be 200 ~ ~ 2000 grams；Starting three 13-1 of electric blender is stirred evenly, after with one 13-2 of metering pump pass through pipeline
It is put into reactive tank；Equally to Na2CO3Tap water is packed into chemicals dosing plant 14, it is 2 ~ 20 that water, which is every cube of water to be processed,
It rises, Na2CO3Every cube be 200 ~ 2000 grams, starting four 14-1 of electric blender stir evenly, after passed through with two 14-2 of metering pump
Pipeline is put into reactive tank, removes calcium ions and magnesium ions, chloride, the sulfate contamination object of water removal middle and high concentration；Equally to food-grade
Tap water is packed into aluminum salt flocculant chemicals dosing plant, it is 0 ~ 0.6 liter that water, which is every cube of water to be processed, and flocculant is every cube
For 0 ~ ~ 30 grams, starting electric blender five stirs evenly, after be put into reactive tank with metering pump three by pipeline, for adsorbing
Organic substance in water is removed, sedimentation effect is improved；
B. tube microfiltration membrane separates: treated in reacted slot 3, and bitter is flow automatically by the road by gravity into circulation
Water tank 4, the function of cyclic water tank 4 are for receiving the bitter after softening reaction while receiving from tube microfiltration membrane 6 not
The concentrated water of disconnected reflux；With the continuous separation of tube microfiltration membrane 6, the reflux of concentrated water is so that the calcium and magnesium sludge in cyclic water tank 4 is dense
Degree is continuously increased, and is drained into calcium and magnesium sludge according to operating condition timing and is carried out further precipitation and separation in sludge storage pool 12；Sludge
The valve 23 that sludge after the precipitating of reservoir 12 is opened on sludge dewatering pipe 12-1 puts outer disposition, and supernatant is back to regulating tank 1
In；Bitter in cyclic water tank 4 enters tube microfiltration membrane 6 by water circulating pump 5, and tube microfiltration membrane 6 is in pressure and high stream
By the cross-flow filtration process of perforated membrane the solid particle to suspend is separated with bitter under the operating condition of speed；Every
In one film group column, by the effect of shearing force, the amount of solid for being deposited in not inner surface is minimized；Simultaneously by regularly micro-
Pulse backwashing device 20 is filtered to reduce fouling membrane and extend the cleaning frequency of microfiltration membranes；During filtered hard-off degree brackish water enters
Between water tank 7；
C.pH adjustment: the production water of tube microfiltration membrane 6 be alkalescent, for guarantee produce water pH need in intermediate water tank 7 into
Row pH is adjusted, and the pH value of hard-off brackish water is pulled back to neutrality by adding food-grade acid medicament；
D. reverse osmosis deaslination: pH hard-off brackish water adjusted is promoted to bitter reverse osmosis membrane assembly 9 by high-pressure pump 8
The interior reverse osmosis separation for carrying out salinity, the fresh water after separation enter product water tank 10, and concentrated water is beaten by the outer row pipeline 9-1 of concentrated water
Valve opening door 23 is discharged；
E. sterilize: the water in product water tank can reach drinking water standard, be sterilized by subsequent sterilization system on line device
Enter water system after processing；
F. tube microfiltration membrane cleans:, can be due to micro solid or organic matter pair in the continuous operation of tube microfiltration membrane 6
Film results in blockage, to reduce membrane flux, carries out acid, alkalinity to film according to the property of pollutant and clear water rinses, cleaning
6 flux of tube microfiltration membrane afterwards can restore to 99% or more of former flux；
G. reverse osmosis membrane cleans: also due to micro solid or organic matter causes film in the continuous operation of bitter film
Blocking can carry out acid, alkalinity to film according to the property of pollutant and clear water rinses, after cleaning to reduce membrane flux
Reverse osmosis flux can restore to 99% or more of former flux.
Water hardness 1810mg/L is handled, wherein calcium ion concentration is 380mg/L, magnesium ion concentration 210mg/L, conductivity
9000 ~ 10000 μ S/cm, total dissolved solid TDS are 4980mg/L, pH7.2 ~ 7.6, turbidity 3 ~ 15.Treated effluent quality
It is as shown in the table to analyze result:
It is as shown in the table that effluent quality analyzes result:
Claims (2)
1. a kind of high rigidity brackish water desalination processing system passes through the high rigidity bitter in water source including pumping (22) with water source
Pipeline is squeezed into regulating tank (1), and the water in regulating tank (1) is connected to by pipeline with reactive tank (3) with adjusting pump (2) again；
It is characterized in that reactive tank (3) is connected to pipeline with the metering pump one (13-2) in NaOH chemicals dosing plant (13) respectively, with Na2CO3
Metering pump two (14-2) connection in chemicals dosing plant (14), even with the metering pump three (15-2) in flocculant chemicals dosing plant (15)
It is logical；The upper water surface pipeline of reactive tank (3) is connected to cyclic water tank (4), and reactive tank (3) water surface is higher than the water of cyclic water tank (4)
Face；The bottom left pipeline of cyclic water tank (4) is connected to sludge storage pool (12) bottom, bottom left pipeline and water circulating pump
(5) water inlet connection, the water outlet pipeline of water circulating pump (5) are connected to tube microfiltration membrane (6) lower end；Tube microfiltration membrane
(6) upper end threeway and pipeline clean water tank (17) with cyclic water tank (4) and micro-filtration and are connected to；Micro-filtration cleans water tank (17) lower end and uses
Pipeline is connected to the water inlet of micro-filtration cleaning pump (16), and the water outlet of micro-filtration cleaning pump (16) is micro- by threeway and tubular type with pipeline
The connection of filter membrane (6) lower end, tube microfiltration membrane (6) is also connected to micro-filtration pulse backwashing device (20) with pipeline and threeway respectively, micro-
Filter pulse backwashing device (20) other end compressed air line (20-1) is connected to the solenoid valve in control system of calming the anger, and is given
With control；The suitable for reading of intermediate water tank (7) is connected to pipeline with the metering pump four (21-1) in sour chemicals dosing plant (21)；Intermediate water tank
(7) lower left side pipeline is connected to the entrance of high-pressure pump (8)；The outlet pipeline of high-pressure pump (8) and threeway and bitter are anti-
Permeable membrane element (9) left end and reverse osmosis cleaning pump (18) outlet；Permeate the entrance pipeline and reverse osmosis of cleaning pump (18)
Cleaning water tank (19) connection thoroughly；The right end of bitter reverse osmosis membrane assembly (9) uses pipeline to be connected to product water tank (10) respectively, and
It is connected to the outer drainpipe (9-1) of the concentrated water that valve (23) are housed on pipeline；The bottom righthand side of bitter reverse osmosis membrane assembly (9) is used
Pipeline is connected to reverse osmosis cleaning water tank (19) top；Product water tank (10) is connected to Sterilizing water tank (11), Sterilizing water tank (11)
With pipeline supplying drinking water.
2. high rigidity brackish water desalination processing system according to claim 1, it is characterised in that in the reactive tank (3)
Equipped with electric blender one (3-1), electric blender two (7-1) is housed in intermediate water tank (7), dress in NaOH chemicals dosing plant (13)
There are electric blender three (13-1), Na2CO3Electric blender four (14-1) is housed in chemicals dosing plant (14), flocculant chemicals dosing plant
(15) electric blender five (15-1) is housed in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920142394.2U CN209554948U (en) | 2019-01-27 | 2019-01-27 | High rigidity brackish water desalination processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142394.2U CN209554948U (en) | 2019-01-27 | 2019-01-27 | High rigidity brackish water desalination processing system |
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| Publication Number | Publication Date |
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| CN209554948U true CN209554948U (en) | 2019-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484154A (en) * | 2019-01-27 | 2020-08-04 | 大连维清环境工程有限公司 | High-hardness brackish water desalination treatment system and process method thereof |
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2019
- 2019-01-27 CN CN201920142394.2U patent/CN209554948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484154A (en) * | 2019-01-27 | 2020-08-04 | 大连维清环境工程有限公司 | High-hardness brackish water desalination treatment system and process method thereof |
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