CN106542685A - Water treatment system - Google Patents
Water treatment system Download PDFInfo
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- CN106542685A CN106542685A CN201610952278.8A CN201610952278A CN106542685A CN 106542685 A CN106542685 A CN 106542685A CN 201610952278 A CN201610952278 A CN 201610952278A CN 106542685 A CN106542685 A CN 106542685A
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- pumps
- reverse osmosis
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 44
- 238000011001 backwashing Methods 0.000 claims abstract description 18
- 238000000108 ultra-filtration Methods 0.000 claims description 36
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000000844 anti-bacterial effect Effects 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 230000005520 electrodynamics Effects 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 5
- 239000003643 water by type Substances 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 9
- 238000000034 method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4691—Capacitive deionisation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of water treatment system, including pretreatment system, backwashing system, first-stage reverse osmosis system, two-stage reverse osmosis system, EDI systems and terminal water supplying system；One end of backwashing system is connected with pretreatment system, and the other end is connected with first-stage reverse osmosis system；One end of two-stage reverse osmosis system is connected with first-stage reverse osmosis system, and the other end is connected with EDI systems；Terminal water supplying system is connected with EDI systems.Its advantage is that water treatment system flow process is safe and stable, reliable, energy consumption is low, high degree of automation, manpower maintenance cost are low, it is optimized for each dosing link, water treatment system increased 5um cartridge filters, the safety of two-stage reverse osmosis system operation is improve, promotes a whole set of water treatment system more perfect.
Description
Technical field
The present invention relates to water-treatment technology field, especially a kind of water treatment system.
Background technology
Many city futures will build the engineerings such as garbage burning factory, sludge incineration factory and biomass power plant in a large number, to abolish
Rubbish, the quagmire in sludge besieged city.Core auxiliary facility of the boiler as engineerings such as garbage burning factories, its operational effect is related to burns
Burn the stable operation of factory.Incineration plant boiler is big due to operating pressure, and the standard requirement to boiler feed water water quality is very high.Boiler is used
Water, particularly high-pressure boiler water, require to inorganic salt etc. very high.Therefore boiler hydraulic art needs to solve ultrafiltration and reverse osmosis is passed through
Filter stable operation method and preconditioning technique, provide the water inlet of stable, high-quality for subsequent technique；Reverse osmosis water outlet advanced desalination and
Organic substance cuts down technology, provides high standard moisturizing for boiler.
The content of the invention
Present invention aim to address the deficiencies in the prior art, there is provided a kind of water treatment system.
A kind of technical scheme of the present invention：
A kind of water treatment system, including pretreatment system, backwashing system, first-stage reverse osmosis system, two-stage reverse osmosis system,
EDI systems and terminal water supplying system；One end of backwashing system is connected with pretreatment system, the other end and first-stage reverse osmosis system
Connection；One end of two-stage reverse osmosis system is connected with first-stage reverse osmosis system, and the other end is connected with EDI systems；Terminal water supplying system
System is connected with EDI systems；
Pretreatment system includes 2 raw water boxs in parallel, 3 raw water pumps in parallel, 2 plate type heat exchangers in parallel, dress
There are first adder and the second adder equipped with oxidant of flocculant；2 raw water boxs in parallel, 3 raw waters in parallel
Pump, 2 plate type heat exchangers in parallel, the first adder, the second adder and 2 disc filters in parallel are sequentially connected in series；
Backwashing system includes 2 backwash subsystems in parallel, 2 ultrafiltration water tanks in parallel, 3 ultrafiltration water pumps in parallel, resistance
Dirty agent adder, reducing agent adder and 4 cartridge filters in parallel；2 ultrafiltration apparatus in parallel, 2 in parallel super
Water filtering tank, 3 ultrafiltration water pumps in parallel, antisludging agent agent adder, reducing agent adder and 4 cartridge filters in parallel according to
Secondary series connection；Backwash subsystem includes that disc filter and ultrafiltration apparatus, disc filter and ultrafiltration apparatus are sequentially connected in series；
First-stage reverse osmosis system includes 3 one-level high-pressure pumps in parallel, 2 first-stage reverse osmosis devices in parallel and 2
One-level RO water tank in parallel；3 one-level high-pressure pumps in parallel, 2 first-stage reverse osmosis devices in parallel and 2 one-levels in parallel
RO water tanks are sequentially connected in series；
Two-stage reverse osmosis system includes 3 centres in parallel once press pump, plus alkali regulating box, and 4 5um security personnel in parallel filter
Device, 3 in parallel two grade high-pressure pumps, 2 second level reverse osmosis apparatus in parallel and 2 in parallel two grade RO water tanks；3 in parallel
Intermediate booster pump, plus alkali regulating box, 4 5um cartridge filters in parallel, 3 in parallel two grade high-pressure pumps, 2 in parallel
Second level reverse osmosis apparatus and 2 in parallel two grade RO water tanks are sequentially connected in series；
EDI systems include 3 EDI booster pumps in parallel and 2 EDI subsystems in parallel；3 EDI superchargings in parallel
Pump, and 2 EDI subsystems 3 in parallel are sequentially connected in series；EDI subsystems include 1 UV sterilizer, and 2 in parallel 0.45 μm are smart
Close filter and 1 EDI device；1 UV sterilizer, 2 in parallel 0.45 μm accurate filters and 1 EDI device according to
Secondary series connection；
Terminal water supplying system includes 3 sweet-water tanks in parallel, and 2 feed pumps in parallel, 3 demineralized waters in parallel
Case, and 2 feed pumps in parallel are sequentially connected in series；2 feed pumps in parallel are connected with water spot with outside.
A kind of preferred version is that backwashing system also includes 2 hyperfiltration reverse-rinsing pumps in parallel, acid feeder, adder-subtractor and antibacterial
Adder, 2 hyperfiltration reverse-rinsing pumps in parallel, acid feeder, adder-subtractor and antibacterial adder are sequentially connected in series；2 ultrafiltration in parallel
The water inlet of backwashing pump is connected with the outlet of ultrafiltration water tank respectively, the outlet of antibacterial adder and the water inlet of ultrafiltration water tank
Mouth connection.
A kind of preferred version is that raw water box water inlet is connected by being provided with pipeline with external source, is sequentially provided with handss on pipeline
Dynamic valve and electrodynamic valve.
A kind of preferred version is the outlet of raw water pump, the water inlet and outlet of plate type heat exchanger, one-level high-pressure pump
Water inlet, the water inlet and outlet of one-level RO water tank, the water inlet of middle once press pump, the water inlet of 5um cartridge filters and
Outlet, the water inlet and outlet of two grades of RO water tanks, the water inlet and outlet of EDI booster pumps, 0.45 μm of accurate filter
Water inlet and the water inlet of outlet and feed pump be equipped with hand-operated valve.
Summary technical scheme, beneficial effects of the present invention：The technical program is applied to house refuse depth General Office
Reason (cleaning is burned) project DW system demineralized water system.According to the water quality situation of Inlet and outlet water, adjustment or optimization processing water treatment system.The water
Processing system flow process is safe and stable, reliable, and energy consumption is low, and high degree of automation, manpower maintenance cost are low, for each dosing link
It is optimized, water treatment system increased 5um cartridge filters, improves the safety of two-stage reverse osmosis system operation, promotees
Make a whole set of water treatment system more perfect.Salt water quality reaches boiler feedwater《Thermal power generation unit and apparatus of steam power plants water
Vapour quality》(GB12145-2008) standard.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, and in order to allow the present invention above and other objects, features and advantages can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the schematic diagram of pretreatment system in the present invention；
Fig. 3 is the schematic diagram of backwashing system in the present invention；
Fig. 4 is the schematic diagram of first-stage reverse osmosis system in the present invention；
Fig. 5 is the schematic diagram of two-stage reverse osmosis system in the present invention；
Fig. 6 is the schematic diagram of EDI systems in the present invention；
Fig. 7 is the schematic diagram of terminal water supplying system in the present invention.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine.Below in conjunction with the accompanying drawings the present invention is described further.
As shown in Figures 1 to 7, a kind of water treatment system, including control system 7, pretreatment system 1, backwashing system 2, one
Level counter-infiltration system 3, two-stage reverse osmosis system 4, EDI systems 5 and terminal water supplying system 6.One end of backwashing system 2 and pre- place
Reason system 1 connects, and the other end is connected with first-stage reverse osmosis system 3；One end of two-stage reverse osmosis system 4 and first-stage reverse osmosis system
3 connections, the other end are connected with EDI systems 5；Terminal water supplying system 6 is connected with EDI systems 5；That is pretreatment system 1, backwashing system
2, first-stage reverse osmosis system 3, two-stage reverse osmosis system 4, EDI systems 5, and terminal water supplying system 6 is sequentially connected in series.
As depicted in figs. 1 and 2, pretreatment system 1 includes 2 101,3 raw water pumps in parallel 102,2 of raw water box in parallel
Platform plate type heat exchanger 103 in parallel, the first adder 104 equipped with flocculant and the second adder 105 equipped with oxidant.
2 plate type heat exchangers in parallel 103 of raw water pump in parallel 102,2 of raw water box 101,3 in parallel, the first adder 104 with
And second adder 105 be sequentially connected in series.The water inlet of raw water box 101 is connected with external water source by the pipeline being provided with, in the pipe
The junction in road is provided with hand-operated valve, electrically operated valve and the effusion meter for measuring discharge in the pipeline.It is provided with raw water box 101
The water level ergometer of water level in which is measured, limnograph and electrically operated valve are electrically connected with control system 7.Before raw water pump 102
After be respectively arranged at two ends with hand-operated valve, raw water pump 102 is electrically connected with control system 7, control system control raw water pump 102 unlatching and
Close.The front end of plate type heat exchanger 103 is provided with electrodynamic valve, and rear end is provided with hand-operated valve；Electrodynamic valve is electrically connected with control system 7.The
One adder 104 and the second adder 105 are electrically connected with control system 7 respectively, control system 7 control the first adder 104 to
The outlet addition flocculant of plate type heat exchanger 103 so that the contamination precipitation in 103 outlet conduit of plate type heat exchanger in water, control
System processed 7 controls the second adder 105 and adds oxidant to the outlet of plate type heat exchanger 103, and oxidant is to plate-type heat-exchange
Water in 103 outlet conduit of device plays sterilizing effect.
As shown in figures 1 and 3, backwashing system includes 2 backwash subsystems in parallel, 2 201,3, ultrafiltration water tanks in parallel
Ultrafiltration water pump 202 in parallel, antisludging agent adder 203, the cartridge filter 205 in parallel of reducing agent adder 204 and 4.2
Individual ultrafiltration apparatus 207,2 in parallel 201,3 ultrafiltration water pumps 202 in parallel of ultrafiltration water tank in parallel, antisludging agent agent adder
203, the cartridge filter 205 in parallel of reducing agent adder 204 and 4 is sequentially connected in series.Backwash subsystem includes that disc type is filtered
Device 206 and ultrafiltration apparatus 207, disc filter 206 and ultrafiltration apparatus 207 are sequentially connected in series.The water inlet of 2 backwash subsystems in parallel
Mouth is connected with 103 outlet conduit of plate type heat exchanger.Ultrafiltration water pump 202 is electrically connected with control system 7, the water inlet of ultrafiltration water pump 202
Mouth and outlet are equipped with hand-operated valve, and the water outlet of ultrafiltration water pump 202 is provided with antisludging agent adder 203 and reducing agent adder
204, antisludging agent adder 203 and reducing agent adder 204 are electrically connected with control system 7 respectively, the control antisludging agent of control system 7
Outlet addition antisludging agent of the adder 203 to ultrafiltration water pump 202, control reducing agent adder 204 is to ultrafiltration water pump 202
Outlet adds reducing agent, and antisludging agent can reduce the dirt in water, and reducing agent is used for the oxidant that neutralization is above added.Ultrafiltration
The outlet of water pump 202 flows into cartridge filter 205 Jing after antisludging agent adder 203 and reducing agent adder 204, ensures public security
Filter 205 is further filtered to water.
As shown in figures 1 and 3, backwashing system 2 also includes 2 hyperfiltration reverse-rinsing pumps 208 in parallel, acid feeder 209, adder-subtractor
210 and antibacterial adder 211.2 hyperfiltration reverse-rinsing pumps 208 in parallel, acid feeder 209, adder-subtractor 210 and antibacterial adder
211 are sequentially connected in series.The water inlet of 2 hyperfiltration reverse-rinsing pumps 208 in parallel is connected with the outlet of ultrafiltration water tank 201 respectively, sterilization
The outlet of agent adder 211 is connected with the water inlet of ultrafiltration water tank 201.The water inlet and outlet of hyperfiltration reverse-rinsing pump 208 is equal
Hand-operated valve is provided with, the outlet of hyperfiltration reverse-rinsing pump 208 is additionally provided with effusion meter.
As shown in Figure 1 and Figure 4, first-stage reverse osmosis system 3 includes 3 one-level high-pressure pumps 301,2 in parallel in parallel
Level reverse osmosis unit and 2 one-level RO water tanks 302 in parallel.3 301,2 one-levels in parallel of one-level high-pressure pump in parallel are anti-
The one-level RO water tank 302 in parallel of permeability apparatus and 2 is sequentially connected in series.One-level high-pressure pump 301 is electrically connected with control system 7, and one
The outlet of level high-pressure pump 301 is provided with hand-operated valve and effusion meter, water inlet and the cartridge filter 205 of one-level high-pressure pump 301
Outlet connects.Liquidometer is provided with one-level RO water tank 302, liquidometer is electrically connected with control system 7.
As shown in Figure 1 and Figure 5, two-stage reverse osmosis system 4 includes 3 intermediate booster pumps 401 in parallel, plus alkali regulating box
402,4 5um cartridge filters 205,3 in parallel, two grades of high-pressure pumps, 403,2 second level reverse osmosis apparatus in parallel in parallel
And 2 in parallel two grade RO water tanks 404.3 intermediate booster pumps 401 in parallel, plus 402,4 5um in parallel of alkali regulating box
Two grades of high-pressure pumps, 403,2 second level reverse osmosis apparatus in parallel in parallel of cartridge filter 205,3 and 2 in parallel two grade
RO water tanks 404 are sequentially connected in series.Intermediate booster pump 401 is electrically connected with control system 7, and the outlet of an intermediate booster pump 401 is provided with
Hand-operated valve and effusion meter, the outlet of one-level RO water tank 302 are connected with the water inlet of intermediate booster pump 401.Plus alkali regulating box 402
Electrically connect with control system 7, the control of control system 7 plus alkali regulating box 402 add basic species to the outlet of intermediate booster pump 401
Matter, the mouth of a river out of intermediate booster pump 401 enter, 5um cartridge filters 205 with
The detector for checking water PH is provided between two grades of RO water tanks 404.Two grades of high-pressure pumps 403 are electrically connected with control system 7, two grades of high pressure
Pump 403 and outlet be provided with hand-operated valve and effusion meter.
As shown in figures 1 to 6, EDI systems 5 include 3 EDI booster pumps 501 in parallel and 2 EDI subsystems in parallel
System；3 EDI booster pumps in parallel and 2 EDI subsystems in parallel are sequentially connected in series；EDI subsystems include 1 UV sterilizer
502,2 in parallel 0.45 μm accurate filters 503 and 1 EDI device 504；1 UV sterilizer 502,2 is in parallel
0.45 μm of accurate filter 503 and 1 EDI device 504 are sequentially connected in series.The outlet of two grades of RO water tanks 404 and EDI booster pumps
501 water inlet connection.EDI booster pumps 501 are electrically connected with control system 7, the unlatching of the control EDI of control system 7 booster pumps 501
And closing, the outlet of EDI booster pumps 501 is provided with hand-operated valve and effusion meter, and in 3 EDI booster pumps in parallel, 2 is work shape
State, 1 is standby.UV sterilizers 502 carry out sterilizing to water, and the water after sterilizing flows into 0.45 μm of accurate filter
503,0.45 μm of accurate filters 503 are filtered to the water in which, and after filtration, clean water flows into EDI devices 504, EDI dresses
Electrodynamic valve is provided with before the water inlet for putting 504, electrodynamic valve is electrically connected with control system 7.
As shown in Figure 1 and Figure 7, terminal water supplying system 6 includes 3 601,2 feed pumps in parallel of sweet-water tank in parallel
602；3 sweet-water tanks 601 in parallel, and 2 feed pumps 602 in parallel are sequentially connected in series；2 feed pumps in parallel 602 with
Outside water spot 603 connects.
It is more than the specific embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as this
Bright protection domain.
Claims (4)
1. a kind of water treatment system, it is characterised in that including control system, pretreatment system, backwashing system, first-stage reverse osmosis system
System, two-stage reverse osmosis system, EDI systems and terminal water supplying system；One end of the backwashing system is connected with pretreatment system,
The other end is connected with first-stage reverse osmosis system；One end of the two-stage reverse osmosis system is connected with first-stage reverse osmosis system, another
End is connected with EDI systems；The terminal water supplying system is connected with EDI systems；
The pretreatment system includes 2 raw water boxs in parallel, 3 raw water pumps in parallel, 2 plate type heat exchangers in parallel, dress
There are first adder and the second adder equipped with oxidant of flocculant；2 raw water boxs in parallel, 3 raw waters in parallel
Pump, 2 plate type heat exchangers in parallel, the first adder, the second adder and 2 disc filters in parallel are sequentially connected in series；
Backwashing system includes 2 backwash subsystems in parallel, 2 ultrafiltration water tanks in parallel, 3 ultrafiltration water pumps in parallel, antisludging agent
Adder, reducing agent adder and 4 cartridge filters in parallel；2 ultrafiltration apparatus in parallel, 2 ultrafiltration water in parallel
Case, 3 ultrafiltration water pumps in parallel, antisludging agent agent adder, reducing agent adder and 4 cartridge filters in parallel are gone here and there successively
Connection；The backwash subsystem includes that disc filter and ultrafiltration apparatus, disc filter and ultrafiltration apparatus are sequentially connected in series；
First-stage reverse osmosis system includes 3 one-level high-pressure pumps in parallel, 2 first-stage reverse osmosis devices in parallel and 2 it is in parallel
One-level RO water tank；3 one-level high-pressure pumps in parallel, 2 first-stage reverse osmosis devices in parallel and 2 one-level RO water in parallel
Case is sequentially connected in series；
Two-stage reverse osmosis system includes 3 centres in parallel once press pump, plus alkali regulating box, 4 5um cartridge filters in parallel, 3
Platform two grades of high-pressure pumps in parallel, 2 second level reverse osmosis apparatus in parallel and 2 in parallel two grade RO water tanks；During 3 in parallel
Between booster pump, plus alkali regulating box, 4 5um cartridge filters in parallel, 3 in parallel two grade high-pressure pumps, 2 in parallel two grade
Reverse osmosis unit and 2 in parallel two grade RO water tanks are worn successively；
EDI systems include 3 EDI booster pumps in parallel and 2 EDI subsystems in parallel；3 EDI booster pumps in parallel, with
And 2 EDI subsystems 3 in parallel are sequentially connected in series；The EDI subsystems include 1 UV sterilizer, and 2 in parallel 0.45 μm are smart
Close filter and 1 EDI device；1 UV sterilizer, 2 in parallel 0.45 μm accurate filters and 1 EDI device according to
Secondary series connection；
Terminal water supplying system includes 3 sweet-water tanks in parallel, and 2 feed pumps in parallel, 3 sweet-water tanks in parallel,
And 2 feed pumps in parallel are sequentially connected in series；2 feed pumps in parallel are connected with water spot with outside；
Control system is adjusted with raw water pump, the first adder, the second adder, ultrafiltration water pump, one-level high-pressure pump, plus alkali respectively
Case, two grades of high-pressure pumps and the electrical connection of EDI booster pumps.
2. water treatment system as claimed in claim 1, it is characterised in that the backwashing system also includes 2 ultrafiltration in parallel
Backwashing pump, acid feeder, adder-subtractor and antibacterial adder, 2 hyperfiltration reverse-rinsing pumps in parallel, acid feeder, adder-subtractor and antibacterial
Adder is sequentially connected in series；The inlet of 2 hyperfiltration reverse-rinsing pumps in parallel is connected with the liquid outlet of ultrafiltration water tank respectively, the sterilization
The liquid outlet of agent adder is connected with the inlet of ultrafiltration water tank.
3. water treatment system as claimed in claim 1, it is characterised in that the raw water box water inlet is with external source by setting
There is pipeline to connect, on the pipeline, be sequentially provided with hand-operated valve and electrodynamic valve.
4. water treatment system as claimed in claim 1, it is characterised in that the liquid outlet of the raw water pump, plate type heat exchanger
Inlet and liquid outlet, the inlet of one-level high-pressure pump, the inlet and liquid outlet of one-level RO water tank, the feed liquor of middle once press pump
Mouthful, the inlet and liquid outlet of 5um cartridge filters, the inlet and liquid outlet of two grades of RO water tanks, the inlet of EDI booster pumps
And liquid outlet, the inlet of the inlet and liquid outlet and feed pump of 0.45 μm of accurate filter is equipped with hand-operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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