CN112520914A - Scale inhibition type ultrafiltration water purification system - Google Patents
Scale inhibition type ultrafiltration water purification system Download PDFInfo
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- CN112520914A CN112520914A CN202011286207.1A CN202011286207A CN112520914A CN 112520914 A CN112520914 A CN 112520914A CN 202011286207 A CN202011286207 A CN 202011286207A CN 112520914 A CN112520914 A CN 112520914A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 266
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 78
- 230000005764 inhibitory process Effects 0.000 title claims abstract description 27
- 238000000746 purification Methods 0.000 title claims description 18
- 239000012528 membrane Substances 0.000 claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 42
- 239000004744 fabric Substances 0.000 claims abstract description 39
- 239000008213 purified water Substances 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims description 36
- 238000011001 backwashing Methods 0.000 claims description 25
- 238000011010 flushing procedure Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000006004 Quartz sand Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 230000002401 inhibitory effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000010926 purge Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005406 washing Methods 0.000 description 7
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- 239000003814 drug Substances 0.000 description 5
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- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 230000035622 drinking Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
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- 241000700605 Viruses Species 0.000 description 1
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- 238000003287 bathing Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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- 230000008929 regeneration Effects 0.000 description 1
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- 150000003839 salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/4602—Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
-
- 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
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- 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 scale inhibition type ultrafiltration purified water system which comprises a raw water tank, wherein a water inlet of the raw water tank is connected with a water source through a pipeline, a water outlet of the raw water tank is connected with a water inlet of a cloth bag filter through a pipeline provided with a raw water pump, a water outlet of the cloth bag filter is connected with a water inlet of a multi-media filter through a pipeline, a water outlet of the multi-media filter is connected with a water inlet of a security filter through a pipeline provided with an electronic scale inhibition system, a water outlet of the security filter is connected with a water inlet of an ultrafiltration membrane group device through a pipeline provided with a water inlet valve, and a water outlet of the ultrafiltration membrane group device is connected with a water. The invention has the beneficial effects that: the system has the advantages of high integration, small occupied area, convenient transportation, quick installation and convenient maintenance, and adopts an electronic pulse scale inhibition technology and a recoil self-cleaning technology, thereby not only reducing the operation cost, but also being more energy-saving, environment-friendly, safe and healthy.
Description
Technical Field
The invention relates to the technical field of water purification systems, in particular to a scale inhibition type ultrafiltration water purification system.
Background
At present, living drinking water is subjected to upgrading and modification in many factories, residential buildings, office buildings and rural communities, so that harmful substances such as turbidity, scale and the like can be removed from well water, rainwater, tap water and the like, and the standard of direct drinking can be achieved. In places with large water consumption, purified water systems in the forms of central softening water purification equipment, ultrafiltration equipment, nanofiltration or reverse osmosis and the like can be selected. However, these devices often have the disadvantages of single function, poor applicability to raw water quality, short service life cycle of filter materials of the filter element, water and power consumption, complex operation process and the like. While the use of a softening system removes scale but does not allow direct consumption, it also consumes some regenerant periodically. Although the ultrafiltration system can be directly drunk, the scale can not be prevented, and simultaneously, the equipment can be scaled and the water yield and the water quality are influenced. Although the outlet water of the nanofiltration system and the reverse osmosis system has good quality, not only can scale be removed, but also the water can be directly drunk, but also a part of tail water needs to be discharged during water preparation, and simultaneously, more electric energy is consumed.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a scale inhibition type ultrafiltration water purification system which is high in integration, small in occupied area, convenient to transport, quick to install and convenient to maintain, and adopts an electronic pulse scale inhibition technology and a recoil self-cleaning technology, so that the operation cost can be reduced, and the scale inhibition type ultrafiltration water purification system is more energy-saving, environment-friendly, safe and healthy.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides a scale inhibition formula ultrafiltration purified water system, includes former water tank, the water inlet of former water tank passes through the tube coupling water source, the water inlet of the pipe connection sack filter of the delivery port of former water tank through being provided with the raw water pump, the water inlet of tube connection multi-media filter is passed through to the delivery port of sack filter, the water inlet of tube connection safety filter ware of multi-media filter's delivery port through being provided with electron scale inhibition system, the water inlet of pipe connection ultrafiltration membrane group ware of safety filter ware's delivery port through being provided with the water intaking valve, the water inlet of pipe connection water purification case of delivery port through being provided with the outlet valve of ultrafiltration membrane group ware.
Furthermore, the water inlet of the cloth bag filter and the water inlet of the ultrafiltration membrane group device are respectively connected with a drainage ditch through pipelines provided with flushing discharge valves, the flushing port of the cloth bag filter and the water outlet of the ultrafiltration membrane group device are respectively connected with the water outlet of a backwashing pump through pipelines provided with backwashing valves, and the water inlet of the backwashing pump is connected with the water outlet of the chemical cleaning box through pipelines.
Furthermore, the water inlet of the chemical cleaning box is connected with the water outlet of the ultrafiltration membrane group device through a pipeline provided with a first manual valve, and the water inlet of the chemical cleaning box is also connected with the water outlet of the backwashing pump through a pipeline provided with a third manual valve.
Furthermore, a water inlet of the chemical cleaning box is connected with a water outlet of the ultrafiltration membrane group device through a pipeline provided with a water replenishing valve.
Furthermore, the water inlet of the chemical cleaning box is connected with the tail water outlet of the ultrafiltration membrane group device through a pipeline provided with a second manual valve, the tail water outlet of the ultrafiltration membrane group device is also connected with the drainage ditch through pipelines respectively provided with an adjusting valve and a tail water discharge valve, and the adjusting valve is connected with the tail water discharge valve in parallel.
Furthermore, the water inlet of the ultrafiltration membrane group device is also connected with the outlet of the air compressor through a pipeline provided with an air washing valve.
Furthermore, the water inlet of the cloth bag filter is also connected with a first outlet of a dosing device through a pipeline, a second outlet of the dosing device is connected with a water outlet of the ultrafiltration membrane group device through a pipeline, and the dosing device comprises a dosing pump.
Further, the cloth bag filter comprises a detachable cloth bag.
Further, the multi-media filter comprises a plurality of quartz sand layers and a plurality of activated carbon filtering layers, and the specifications of the quartz sand layers are different from each other.
Furthermore, the water outlet of the multi-medium filter and the water outlet of the chemical cleaning tank are respectively connected with the water drainage groove through pipelines.
The invention has the beneficial effects that: the system has the advantages of high integration, small occupied area, convenient transportation, quick installation and convenient maintenance, and adopts an electronic pulse scale inhibition technology and a recoil self-cleaning technology, thereby not only reducing the operation cost, but also being more energy-saving, environment-friendly, safe and healthy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of a scale inhibition type ultrafiltration purified water system according to an embodiment of the invention.
In the figure:
1. a raw water tank; 2. a raw water pump; 3. a dosing device; 4. flushing the drain valve; 5. a cloth bag filter; 6. a multi-media filter; 7. a water purifying tank; 8. an electronic scale inhibition system; 9. a cartridge filter; 10. a water inlet valve; 11. an ultrafiltration membrane group device; 12. a gas purge valve; 13. an air compressor; 14. adjusting a valve; 15. a tail water discharge valve; 16. a recoil valve; 17. a backwash pump; 18. a first manual valve; 19. a second manual valve; 20. a third manual valve; 21. a chemical cleaning tank; 22. a water replenishing valve; 23. and (4) a water outlet valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1, the scale inhibition type ultrafiltration purified water system according to the embodiment of the present invention includes a raw water tank 1, a water inlet of the raw water tank 1 is connected to a water source through a pipeline, a water outlet of the raw water tank 1 is connected to a water inlet of a cloth filter 5 through a pipeline provided with a raw water pump 2, a water outlet of the cloth filter 5 is connected to a water inlet of a multi-media filter 6 through a pipeline, a water outlet of the multi-media filter 6 is connected to a water inlet of a safety filter 9 through a pipeline provided with an electronic scale inhibition system 8, a water outlet of the safety filter 9 is connected to a water inlet of an ultrafiltration membrane module 11 through a pipeline provided with a water inlet valve 10, and a water outlet of the ultrafiltration membrane module 11 is connected to a water inlet of a purified.
In a specific embodiment of the present invention, the water inlet of the cloth bag filter 5 and the water inlet of the ultrafiltration membrane module 11 are further connected to a drainage groove through a pipeline provided with a flushing discharge valve 4, the flushing port of the cloth bag filter 5 and the water outlet of the ultrafiltration membrane module 11 are connected to the water outlet of a backwashing pump 17 through a pipeline provided with a backwashing valve 16, and the water inlet of the backwashing pump 17 is connected to the water outlet of a chemical cleaning tank 21 through a pipeline.
In a specific embodiment of the present invention, the water inlet of the chemical cleaning tank 21 is connected to the water outlet of the ultrafiltration membrane module 11 through a pipeline provided with a first manual valve 18, and the water inlet of the chemical cleaning tank 21 is further connected to the water outlet of the backwashing pump 17 through a pipeline provided with a third manual valve 20.
In one embodiment of the present invention, the water inlet of the chemical cleaning tank 21 is connected to the water outlet of the ultrafiltration membrane module 11 through a pipeline provided with a water replenishing valve 22.
In an embodiment of the present invention, the inlet of the chemical cleaning tank 21 is connected to the tail water outlet of the ultrafiltration membrane module 11 through a pipeline provided with a second manual valve 19, the tail water outlet of the ultrafiltration membrane module 11 is further connected to the drainage tank through a pipeline respectively provided with a regulating valve 14 and a tail water discharge valve 15, and the regulating valve 14 is connected in parallel with the tail water discharge valve 15.
In one embodiment of the present invention, the water inlet of the ultrafiltration membrane module 11 is further connected to the outlet of an air compressor 13 through a pipeline provided with an air purge valve 12.
In a specific embodiment of the present invention, the water inlet of the cloth bag filter 5 is further connected to a first outlet of a drug adding device 3 through a pipeline, a second outlet of the drug adding device 3 is connected to a water outlet of the ultrafiltration membrane module 11 through a pipeline, and the drug adding device 3 comprises a drug adding pump.
In a particular embodiment of the invention, the cloth bag filter 5 comprises a removable cloth bag.
In one embodiment of the present invention, the multi-media filter 6 includes a plurality of quartz sand layers and a plurality of activated carbon filter layers, and the quartz sand layers have different specifications.
In an embodiment of the present invention, the drain port of the multimedia filter 6 and the drain port of the chemical cleaning tank 21 are each connected to the drain tank by a pipe.
In order to facilitate understanding of the above-described embodiments of the present invention, the following detailed description of the embodiments of the present invention is provided by way of specific usage.
The scale inhibition type ultrafiltration water purification system comprises a raw water tank 1, a raw water pump 2, a cloth bag filter 5, a multi-medium filter 6, a purified water tank 7, a security filter 9, an ultrafiltration membrane group device 11, a backwashing pump 17 and the like.
The raw water source is connected to the water inlet of the raw water tank 1 through a pipeline, and the raw water enters the raw water tank 1 to be used as buffer water of subsequent equipment.
An inlet of the raw water pump 2 is connected to a water outlet of the raw water tank 1 through a pipeline, and a water outlet of the raw water pump 2 is connected to a water inlet of the cloth bag filter 5 through a pipeline. The water inlet of the cloth bag filter 5 is also connected with a dosing device 3 through a pipeline, the dosing device 3 can realize the sterilization function, and a dosing pump in the dosing device 3 is linked with the raw water pump 2.
The cloth bag filter 5 adopts the existing cloth bag filter with large dirt holding capacity and self-cleaning, the precision cloth bag with large dirt holding capacity is combined with an automatic flushing device, when the dirt holding capacity reaches a certain amount or reaches a set pressure, the backwashing pump 17 can be started to flush out impurities such as sludge in the cloth bag, the dirt holding capacity of the cloth bag is recovered, and the cloth bag filter 5 can filter large granular substances with the particle size larger than 40 micrometers in water, such as silt, suspended matters, algae, iron rust and the like. The cloth bag filter 5 can be flushed at fixed time and pressure, the operation period is achieved, or the automatic flushing is carried out after the alarm pressure is achieved, the manual operation is omitted, the filter bag is made of a nylon material which can be repeatedly used, the pressure difference is higher, and the frequent replacement is not needed. Can be combined with an automatic monitoring system to achieve the time-saving, labor-saving and intelligent control effect.
The delivery port of cloth filter 5 passes through the water inlet of tube coupling to multi-media filter 6, the water inlet of cloth filter 5 still has the import that washes discharge valve 4 through the tube coupling simultaneously, the export that washes discharge valve 4 leads to the escape canal through the pipeline, the top of cloth filter 5 is washed the mouth and is connected to the delivery port of backwash pump 17 through the tube coupling that is provided with pressure sensor and recoil valve respectively, pressure sensor, backwash pump 17 and the equal connection director of recoil valve, the controller passes through the program and regularly presses the start-up backwash pump 17 regularly, in order to guarantee the pollutant carrying capacity of cloth filter 5 normal operating.
The multi-medium filter 6 is provided with a plurality of quartz sand layers and a plurality of activated carbon filter layers with various specifications, the quartz sand layers can effectively intercept and remove suspended matters, organic matters, colloid particles and the like in water, the activated carbon layers are used for filtering residual chlorine, abnormal colors and peculiar smell in water, the taste is improved while the rear-stage ultrafiltration membrane group device 11 is protected, the multi-medium filter 6 adopts the existing multi-medium filter with the back-flushing self-cleaning function, the multi-medium filter 6 is provided with a multi-way valve controller, the filter materials of the activated carbon filter layers can be automatically back-flushed and regenerated according to set time, and the effectiveness of the filter materials of the activated carbon filter layers is guaranteed to be more than 2 years.
The water outlet of the multi-medium filter 6 is connected to the water inlet of the security filter 9 through a pipeline, in addition, an electronic scale inhibition system is also arranged on a connecting pipeline between the water outlet of the multi-medium filter 6 and the water inlet of the security filter 9, a plurality of cables of the electronic scale inhibition system are wound on the outer wall of the pipeline, and an electric pulse signal is sent out after the electronic scale inhibition system is electrified, so that the water passing through the pipeline changes the crystallization process of liquid calcium, and scale is prevented from scaling by losing adhesive force of the.
The electric pulse scale inhibiting system is one ecological environment protecting water treating system, and has special capacitive electric pulse to change the crystallization process of liquid calcium to make scale lose adhesion and protect pipeline and utensil from scale and rust. The electric pulse scale inhibition system can replace the traditional resin softening system, has no flushing wastewater, no regeneration salt and no chemical additive, can continuously work, retains important mineral substances in water, has extremely low installation space and has the operating power less than 3 watts. The electric pulse scale inhibition system can prevent the scaling on the surfaces of pipelines and equipment, continuously clean the pipelines, continuously remove rust and resist corrosion, is simple to install and can be used without maintenance.
The raw water can further remove smaller particles and impurities after passing through the security filter 9, and the safety of subsequent system components is guaranteed. The water after the pretreatment can be directly used as daily life water, such as washing clothes, bathing and cooking.
The water outlet of the cartridge filter 9 is connected to the water inlet of the ultrafiltration membrane module 11 through a pipeline provided with a water inlet valve 10.
The ultrafiltration membrane group device 11 is used for carrying out advanced treatment on the water after the pretreatment, can remove bacteria, viruses and chemical organic substances in the water, and retains beneficial mineral elements in the water, so that the quality of the effluent water reaches the direct drinking standard, the water obtaining rate of the ultrafiltration membrane group device 11 can reach more than 95 percent, and the water quality is more suitable for direct drinking for a long time. The tail water of the ultrafiltration membrane module device 11 can be stored by a tail water collecting tank to be used as water for greening and landscaping.
The water inlet of the ultrafiltration membrane module 11 is also connected with an air compressor 13 through a pipeline provided with an air washing valve 12, and the air washing valve 12 and the air compressor 13 are opened during air washing. The tail water outlet of the ultrafiltration membrane module 11 is connected to a discharge channel via a line provided with a tail water discharge valve 15 and a regulating valve 14 connected in parallel to each other, while the discharge channel is also connected to the water inlet of the ultrafiltration membrane module 11 via a line provided with a flush discharge valve 4. Meanwhile, the water outlet of the ultrafiltration membrane module 11 is connected to the chemical cleaning tank 21 through a pipeline provided with a water replenishing valve 22, and is used for using purified water as replenishing water for the chemical cleaning tank 21. The water outlet of the ultrafiltration membrane module 11 is connected with the water outlet of the backwashing pump 17 through a pipeline provided with a backwashing valve 16, meanwhile, the dosing pump is also connected with the water outlet of the backwashing pump 17 through a pipeline, and the water outlet of the backwashing pump 17 is also connected with a chemical cleaning tank 21 through a pipeline provided with a third manual valve 20. Meanwhile, the water outlet of the ultrafiltration membrane module 11 is also connected to the water inlet of the chemical cleaning tank 21 through a pipeline provided with a first manual valve 18, the tail water outlet of the ultrafiltration membrane module 11 is also connected to the water inlet of the chemical cleaning tank 21 through a pipeline provided with a second manual valve 19, and the water outlet of the ultrafiltration membrane module 11 is also connected to the water inlet of the clean water tank 7 through a pipeline provided with a water outlet valve 23.
The chemical cleaning tank 21, the backwashing pump 17, the backwashing valve 16, matched pipelines and the like form a backwashing self-cleaning system, the system mainly aims at the ultrafiltration membrane group device 11 which runs for a long time to carry out chemical feeding cleaning to enable the polluted and blocked ultrafiltration membrane group device 11 to recover water flux, cleaning solution in the chemical cleaning tank 21 is formed by adopting a cleaning agent with purified water proportioning by a certain amount, and the backwashing self-cleaning system regularly cleans and removes the dirt on the ultrafiltration membrane group device 11.
The water inlet valve 10, the water outlet valve 23, the backflushing valve 16, the flushing discharge valve 4, the water replenishing valve 22, the tail water discharge valve 15 and the gas washing valve 12 are all electrically operated valves. Liquid level sensors are arranged in the original water tank 1 and the purified water tank 7, and pressure sensors are arranged at a flushing port of the cloth bag filter 5, a water inlet and a water outlet of the multi-medium filter 6, a water outlet of the security filter 9, a water outlet of the ultrafiltration membrane group device 11 and a tail water outlet. Flow sensors are arranged at the position of the regulating valve 14, the position of the water outlet valve 23 and the water outlet of the backwashing pump 17. The electric valve, the pressure sensor, the flow sensor, the dosing pump and the backwashing pump 17 are all connected with the controller. The controller comprises a singlechip. The full-automatic operation of the system can be realized by arranging the controller, the acquisition points are rich, and local or remote monitoring can be realized according to data such as water level, pressure, flow and the like. The system has high integration level, can realize the functions of pretreatment, self-flushing, water softening, ultrafiltration purification, cleaning, water purification, disinfection, supply and the like in a limited space, and realizes the integration of large-flow water purification, disinfection and sterilization and constant-pressure water supply.
When the water purifier is used specifically, water in the raw water tank 1 passes through the raw water pump 2 and then enters the cloth bag filter 5, silt, suspended matters, algae, rust and the like are filtered by the cloth bag filter 5, then the water enters the multi-media filter 6, the suspended matters, organic matters, colloid particles, residual chlorine, abnormal colors, peculiar smell and the like in the water are removed by the multi-media filter 6, and then the water is discharged into the water purifying tank 7 through the security filter 9 and the ultrafiltration membrane group device 11 and stored. The ultrafiltration membrane module 11 can automatically operate the works of water production, sterilization, back flushing, air washing, sterilization, water supplement, discharge and the like according to the set program of the controller. The manual chemical cleaning can be carried out according to the blockage condition of the ultrafiltration membrane module 11, the automatic operation of the ultrafiltration membrane module 11 is closed during the chemical cleaning, after cleaning liquid medicine is configured in the chemical cleaning box 21, the first manual valve 18, the second manual valve 19 and the third manual valve 20 are manually opened or adjusted, and then the backwashing pump 17 is started for cleaning.
In conclusion, by means of the technical scheme, the integrated water treatment system has the advantages of high integration, small occupied area, convenience in transportation, quickness in installation and convenience in maintenance, and the electronic pulse scale inhibition technology and the recoil self-cleaning technology are adopted, so that the operation cost is reduced, and the water treatment system is more energy-saving, environment-friendly, safe and healthy.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An anti-scaling ultrafiltration purified water system comprises a raw water tank (1), wherein a water inlet of the raw water tank (1) is connected with a water source through a pipeline, the water outlet of the raw water tank (1) is connected with the water inlet of the cloth bag filter (5) through a pipeline provided with a raw water pump (2), the water outlet of the cloth bag filter (5) is connected with the water inlet of the multi-medium filter (6) through a pipeline, it is characterized in that the water outlet of the multi-medium filter (6) is connected with the water inlet of the security filter (9) through a pipeline provided with an electronic scale inhibition system (8), the water outlet of the cartridge filter (9) is connected with the water inlet of an ultrafiltration membrane group device (11) through a pipeline provided with a water inlet valve (10), the water outlet of the ultrafiltration membrane group device (11) is connected with the water inlet of the water purifying tank (7) through a pipeline provided with a water outlet valve (23).
2. The scale inhibition type ultrafiltration water purification system according to claim 1, wherein the water inlet of the cloth bag filter (5) and the water inlet of the ultrafiltration membrane module (11) are respectively connected with a drainage groove through a pipeline provided with a flushing discharge valve (4), the flushing port of the cloth bag filter (5) and the water outlet of the ultrafiltration membrane module (11) are respectively connected with the water outlet of a backwashing pump (17) through a pipeline provided with a backwashing valve (16), and the water inlet of the backwashing pump (17) is connected with the water outlet of a chemical cleaning tank (21) through a pipeline.
3. The scale-inhibiting ultrafiltration water purification system as claimed in claim 2, wherein the water inlet of the chemical cleaning tank (21) is connected with the water outlet of the ultrafiltration membrane module (11) through a pipeline provided with a first manual valve (18), and the water inlet of the chemical cleaning tank (21) is also connected with the water outlet of the backwashing pump (17) through a pipeline provided with a third manual valve (20).
4. The scale-inhibiting ultrafiltration water purification system as claimed in claim 2, wherein a water inlet of the chemical cleaning tank (21) is connected with a water outlet of the ultrafiltration membrane module (11) through a pipeline provided with a water replenishing valve (22).
5. The scale inhibition type ultrafiltration water purification system according to claim 2, wherein the water inlet of the chemical cleaning tank (21) is connected with the tail water outlet of the ultrafiltration membrane module (11) through a pipeline provided with a second manual valve (19), the tail water outlet of the ultrafiltration membrane module (11) is further connected with the drainage ditch through a pipeline respectively provided with a regulating valve (14) and a tail water discharge valve (15), and the regulating valve (14) is connected with the tail water discharge valve (15) in parallel.
6. The scale-inhibiting ultrafiltration water purification system as claimed in claim 1, wherein the water inlet of the ultrafiltration membrane module (11) is further connected with the outlet of an air compressor (13) through a pipeline provided with an air purge valve (12).
7. The scale inhibition type ultrafiltration water purification system according to claim 2, wherein the water inlet of the cloth bag filter (5) is further connected with a first outlet of a dosing device (3) through a pipeline, a second outlet of the dosing device (3) is connected with a water outlet of the ultrafiltration membrane module (11) through a pipeline, and the dosing device (3) comprises a dosing pump.
8. A scale inhibiting ultrafiltration purified water system according to claim 1, wherein the cloth bag filter (5) comprises a removable cloth bag.
9. The scale-inhibiting ultrafiltration purified water system according to claim 1, wherein the multi-media filter (6) comprises a plurality of quartz sand layers and a plurality of activated carbon filter layers, and the quartz sand layers have different specifications.
10. The scale-inhibiting ultrafiltration purified water system according to claim 2, wherein the drain port of the multimedia filter (6) and the drain port of the chemical cleaning tank (21) are each connected to the drain tank by a pipe.
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