CN109179820A - A kind of novel external suspension photocatalytic film water purifier - Google Patents
A kind of novel external suspension photocatalytic film water purifier Download PDFInfo
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- CN109179820A CN109179820A CN201811147728.1A CN201811147728A CN109179820A CN 109179820 A CN109179820 A CN 109179820A CN 201811147728 A CN201811147728 A CN 201811147728A CN 109179820 A CN109179820 A CN 109179820A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 79
- 239000000725 suspension Substances 0.000 title claims abstract description 20
- 238000007146 photocatalysis Methods 0.000 claims abstract description 56
- 238000000926 separation method Methods 0.000 claims abstract description 37
- 238000005273 aeration Methods 0.000 claims abstract description 27
- 230000004913 activation Effects 0.000 claims abstract description 23
- 230000033558 biomineral tissue development Effects 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 239000011148 porous material Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000010992 reflux Methods 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 22
- 239000003054 catalyst Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 14
- 239000010453 quartz Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000012510 hollow fiber Substances 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 4
- 244000060011 Cocos nucifera Species 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
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- 238000011049 filling Methods 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims 1
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- 238000011109 contamination Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 11
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
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- 230000035622 drinking Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
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- 239000011941 photocatalyst Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- -1 Hydroxyl radical free radical Chemical class 0.000 description 2
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 2
- 230000000711 cancerogenic effect Effects 0.000 description 2
- 231100000357 carcinogen Toxicity 0.000 description 2
- 239000003183 carcinogenic agent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical class C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 235000020847 Body for Life Nutrition 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003403 water pollutant 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
-
- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2303/04—Disinfection
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of novel external suspension photocatalytic film water purifiers, it include: inlet tank, water pump, first filter, active carbon filter, photo catalysis reactor, film separation system, activation mineralization device, reflux pump, suction pump, the first to the 6th solenoid valve, air compressor machine, wherein inlet tank is sequentially connected with water pump, first filter, active carbon filter；The active carbon filter is connect with photo catalysis reactor, and it is connect after photo catalysis reactor the 6th solenoid valve of connection with film separation system, its first water outlet is sequentially connected triple valve, suction pump, suction pump connect the 5th solenoid valve after connect with activation mineralization device and its second water outlet connect third solenoid valve after be connected with photo catalysis reactor；Aeration tube is set in photo catalysis reactor, micro-pore aeration mechanism is set in film separation system, and air compressor machine is connected to by pipeline respectively.The present invention can enhance catalytic efficiency and film contamination resistance, reduce operation energy consumption；It is big to handle water, there is activation mineralization water quality function.
Description
Technical field
The present invention relates to a kind of novel external suspension photocatalytic film water purifiers, belong to the technical field of water purifier.
Background technique
Water is Source of life, and originally, water is omnipresent in human body for life, closely bound up with human health, however as
The high speed development of modern industrial and agricultural production causes the shortage of water resources in environment for human survival, and drinking water is heavily contaminated, and
Conventional water-purifying process can no longer meet requirement of the people to Drinking Water quality, therefore we must be on traditional handicraft basis
On be transformed, develop new technology.
Photocatalysis oxidation technique is an emerging quite promising water treatment technology, it is generated using light excitation
Hydroxyl radical free radical (OH) and peroxy radical (O2 -) by larger molecular organics object mineralising poisonous and hazardous in water be nontoxic nothing
Harmful small molecule inorganic matter, such as CO2、H2O etc., to completely remove water pollutant.Wherein nano-TiO2As most common one
Kind of photochemical catalyst has the advantages that efficient, high stability, low cost, low selectivity and non-hazardous to environment.With stationary state TiO2
It compares, suspended state TiO2Have the advantages that partial size is small, mass transfer is few, response area is big, high catalytic efficiency, but there is also several factors
Restrict the application of suspended state photocatalysis technology, such as TiO2Separation and recycling is difficult, reactor be it is intermittent, can not continuously grasp
Make and photocatalysis efficiency need to be improved.
In recent years, photocatalysis and the technology of UF membrane integrated separation, recycling catalyst are just gradually being risen, and become the heat of research
Point.The technology is mainly the efficient crown_interception for utilizing film, and photochemical catalyst is retained, and aqueous solution penetrates film, reaches separation of solid and liquid
Effect.Submerged photocatalytic membrane reactor is mostly used in the patent applied at present greatly, it has lot of advantages in use, such as
Reaction rate is high, and treating capacity is big, and operation is easy and catalyst recycling is sustainable, but non-in terms of membrane module is replaced and cleaned
Baffle is also often arranged in often trouble between lamp and membrane module, hinders ultraviolet light to the direct irradiation of organic film, leads to ultraviolet lamp
Utilization rate reduces, and furthermore fouling membrane is more serious.Another traditional external photocatalytic membrane reactor, time of occurrence is more early, with
Immersion is compared, and membrane module, which is replaced and cleaned, to be easier, but operating pressure is big, energy consumption is high, processing water is small and fouling membrane is serious.
Summary of the invention
Technical problem to be solved by the present invention lies in overcome the deficiencies of the prior art and provide a kind of novel external suspension
Photocatalysis membrana water purifier, the traditional external photocatalytic membrane reactor catalytic efficiency of solution is low, energy consumption is high, processing water is small and film is dirty
Contaminate serious problem.
The present invention specifically uses following technical scheme to solve above-mentioned technical problem:
A kind of novel external suspension photocatalytic film water purifier, comprising: inlet tank, water pump, first filter, active carbon filter,
Photo catalysis reactor, film separation system, activation mineralization device, reflux pump, suction pump, the first to the 6th solenoid valve, air compressor machine,
The water outlet of middle inlet tank is connect by pipeline with water pump and water pump is connected by pipeline and the water inlet of first filter；Institute
The water outlet for stating first filter is connected by the water inlet of pipeline and active carbon filter；The water outlet of the active carbon filter with
The water inlet of photo catalysis reactor connects, and the water outlet of photo catalysis reactor after pipeline the 6th solenoid valve of connection with film by dividing
Water inlet connection from system；First water outlet of the film separation system is sequentially connected triple valve, suction pump by pipeline
Pump mouth, the water outlet of the suction pump is connected by pipeline to be connected after the 5th solenoid valve with the water inlet of activation mineralization device,
And the second water outlet of film separation system after pipeline connection third solenoid valve with the water inlet of photo catalysis reactor by being connected；Institute
State and aeration tube be set in photo catalysis reactor, and aeration tube the first solenoid valve, multiple-way valve are sequentially connected by pipeline after be connected to
Air compressor machine；Micro-pore aeration mechanism is set in the film separation system, and micro-pore aeration mechanism is sequentially connected the second electricity by pipeline
Air compressor machine is connected to after magnet valve, multiple-way valve；One end of 4th valve is connect by pipeline with multiple-way valve, and the 4th valve
The other end is connect by pipeline with triple valve；And using the water outlet of activation mineralization device as the water outlet of water purifier.
Further, as a preferred technical solution of the present invention: the photo catalysis reactor includes sealing shell, stone
English casing, ultraviolet lamp, ultraviolet lamp controller, wherein quartz socket tube setting are sealed in sealing shell, and by ultraviolet lamp
Inside quartz socket tube；The ultraviolet lamp controller is electrical connected with ultraviolet lamp；It is loaded between the sealing shell and quartz socket tube
Photochemical catalyst.
Further, as a preferred technical solution of the present invention: filling PP cotton filter element in the first filter.
Further, as a preferred technical solution of the present invention: further including for detecting liquid in photo catalysis reactor
The liquid level sensor and fluid level controller of face height, the liquid level sensor is electrical connected with fluid level controller, and Liquid level
Device is electrical connected with water pump.
Further, as a preferred technical solution of the present invention: the film separation system includes cylinder and setting
In the external pressure type hollow fiber membrane component in cylinder.
Further, as a preferred technical solution of the present invention: the external pressure type hollow fiber membrane component used
The material of filter membrane and filter membrane is PP or PVDF, PES, PAN, PS, PE.
Further, as a preferred technical solution of the present invention: setting is lived by coconut husk in the activation mineralization device
Property charcoal and medical stone, limonite composition mixer filter.
Further, as a preferred technical solution of the present invention: further including flowmeter, the flowmeter is set to exposure
On tracheae and the first solenoid valve institute's connecting leg road.
Further, as a preferred technical solution of the present invention: further including check valve, the check valve is set to pumping
On sucking pump and the 5th solenoid valve institute's connecting leg road.
Further, as a preferred technical solution of the present invention: it further include solenoid valve controller, the solenoid valve control
Device processed is electrical connected with each solenoid valve.
The present invention by adopting the above technical scheme, can have the following technical effects:
Novel external suspension photocatalytic film water purifier of the invention, photo catalysis reactor are mutually tied with external membrane separation system
The problem of closing, can solve the separation of catalyst difficulty, ensure that the reuse of catalyst, has used in film separation system unilateral
Dead end hollow fiber film assembly, compared to traditional external membrane component, operating pressure is lower, and water flux is bigger, contamination resistance
It is stronger.In addition, being also provided with micro-pore aeration in film separation system, film dirt can be slowed down under water flow and the souring of bubble
Dye can maintain the high throughput of film, extend the service life of film in addition periodically carrying out gas backwash to film automatically.
Also, the present invention can effectively be gone using PP cotton filter element and granular activated carbon as the pretreatment filtration system of reactor
Suspended matter and colloidal substance in water removal reduce water turbidity, part metals substance can also be removed, to guarantee ultraviolet light
Propagation, it is ensured that light-catalyzed reaction rate.Further, the powdered nanometer of self-control has been used in photo catalysis reactor
TiO2, improve light-catalyzed reaction rate；The aeration tube of installation, which can generate a large amount of bubbles, to be accelerated circulation in reactor, sufficiently mixes
It closes, to guarantee catalytic efficiency.
The present invention is provided a kind of in holding greater catalytic by the improvement carried out to traditional external photocatalytic membrane reactor
Under the premise of efficiency, and it can increase compared with low operating pressure, the new type of continuous external suspension photocatalytic film water purifier of mitigation fouling membrane
Its strong catalytic efficiency and film contamination resistance, reduce operation energy consumption；Also, water purifier of the invention is used for micropollutant water and drink
With the processing of water, processing water is big, can not only effectively remove big yield small molecular natural organic matter, can also make in water
Carcinogen, bacterium etc. substantially reduce, and additionally have the function of activation mineralization water quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of novel external suspension photocatalytic film water purifier of the present invention.
Fig. 2 is the structural schematic diagram of activation mineralization device of the present invention.
Wherein Symbol explanation: inlet tank 1, water pump 2, first filter 3, active carbon filter 4, photo catalysis reactor 5, ultraviolet
Lamp 5-1, quartz socket tube 5-2, sealing shell 5-3, aeration tube 5-4, ultraviolet lamp controller 5-5, fluid level controller 5-6；UF membrane
System 6, hollow fiber film assembly 6-1, micro-pore aeration mechanism 6-2；Activation mineralization device 7, flowmeter 8-1, air compressor machine 9, reflux
Pump 10, suction pump 11, triple valve 12, the first solenoid valve 13-1, second solenoid valve 13-2, third solenoid valve 13-3, the 4th electromagnetism
Valve 13-4, the 5th solenoid valve 13-5, the 6th solenoid valve 13-6, check valve 14, solenoid valve controller 15.
Specific embodiment
Embodiments of the present invention are described with reference to the accompanying drawings of the specification.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
As shown in Figure 1, the present invention devises a kind of novel external suspension photocatalytic film water purifier, comprising: inlet tank 1,
Water pump 2, first filter 3, active carbon filter 4, photo catalysis reactor 5, film separation system 6, activation mineralization device 7, reflux pump
10, suction pump 11, the 12, first to the 6th solenoid valve of triple valve, air compressor machine 9, wherein the water outlet of inlet tank 1 passes through pipeline and water
2 connection of pump and water pump 2 are connect by pipeline with the water inlet of first filter 3；The water outlet of the first filter 3 passes through
Pipeline is connect with the water inlet of active carbon filter 4；The water outlet of the active carbon filter 4 and the water inlet of photo catalysis reactor 5
Connection, and the water outlet of photo catalysis reactor 5 passes through the water inlet after the 6th solenoid valve 13-6 of pipeline connection with film separation system 6
Connection；First water outlet of the film separation system 6 is sequentially connected the pump mouth of triple valve 12, suction pump 11, institute by pipeline
It states the water outlet of suction pump 11 and is connected by pipeline and is connected after the 5th solenoid valve 13-5 with the water inlet of activation mineralization device 7, and
Second water outlet of film separation system 6 passes through the water inlet phase after pipeline connection third solenoid valve 13-3 with photo catalysis reactor 5
Even；Aeration tube 5-4 is set in the photo catalysis reactor 5, and aeration tube 5-4 is sequentially connected the first solenoid valve 13- by pipeline
1, air compressor machine 9 is connected to after multiple-way valve；Micro-pore aeration mechanism is set in the film separation system 6, and micro-pore aeration mechanism passes through
Pipeline is connected to air compressor machine 9 after being sequentially connected second solenoid valve 13-2, multiple-way valve；One end of the 4th valve 13-4 passes through pipe
Road is connect with multiple-way valve, and the other end of the 4th valve 13-4 is connect by pipeline with triple valve 12；And activation mineralization is filled
Set the water outlet of 7 water outlet as water purifier.
The first filter 3 is preferably interior to fill PP cotton filter element, can effectively remove the various particles in filtered liquid
Impurity；The pretreatment system of first filter and seed activity char filter composition is for the particulate matter in significantly removal water inlet
And metallics maintains the efficient stable of device to run to guarantee subsequent optical rate of catalysis reaction.
The photo catalysis reactor 5, main includes sealing shell 5-3, quartz socket tube 5-2, the ultraviolet lamp 5-1, purple of metal
Outer lamp controller 5-5, wherein quartz socket tube 5-2 setting are sealed at quartz in sealing shell 5-3, and by ultraviolet lamp 5-1
Inside casing 5-2；The ultraviolet lamp controller 5-5 and ultraviolet lamp 5-1 is electrical connected；The sealing shell 5-3 and quartz socket tube
Photochemical catalyst is loaded between 5-2.Wherein, ultraviolet lamp 5-1 is loaded in quartz socket tube 5-2, and the unlatching of light source is by ultraviolet lamp control
Device 5-5 control processed, the power selection 50w of ultraviolet lamp, reacting liquid temperature raising can be improved catalyst chemisorption, reduce
Activation energy improves rate of catalysis reaction, and in addition ultraviolet light also has stronger biocidal efficacies, replaces traditional disinfection by chlorine.
In the present embodiment, photochemical catalyst uses powdered nano-TiO2, grain diameter be generally more than ten to several hundred nanometers it
Between, TiO2Solution concentration is 0.5-2.5g/L.Catalyst preparation uses sol-gal process, and selection butyl titanate is titanium source, specifically
Process is as follows: (1) configuring the ethanol water of butyl titanate；(2) acetic acid is added into above-mentioned solution and forms colloidal sol, (3) colloidal sol
Ageing forms gel；(4) gel drying, calcining obtain powdered nano-TiO2。
Preferably, the water purifier further includes the liquid level sensor and liquid for detecting liquid level in photo catalysis reactor
Level controller 5-6, the liquid level sensor are electrical connected with fluid level controller 5-6, and fluid level controller 5-6 and water pump 2 are electrically
It is connected.In the present embodiment, liquid level sensor and liquid level sensor connection are set in the sealing shell 5-3 of photo catalysis reactor 5
It is electrically connected after fluid level controller 5-6 with water pump 2, fluid level controller 5-6 can be used for controlling the start-stop of water pump.Work as liquid level sensor
When the liquid level of the photo catalysis reactor 5 of detection is horizontal lower than setting, fluid level controller 5-6 controls water pump 2 and opens, and intakes by intaking
First filter 3 and seed activity char filter 4 of the case 1 by PP cotton filter element enter photo catalysis reactor 5 after handling, when liquid level passes
When liquid level is higher than setting level in the photo catalysis reactor 5 of sensor detection, fluid level controller 5-6 control water pump 2 is out of service, protects
The processing water quantity holding demonstrate,proved in photo catalysis reactor 5 is stablized.
The film separation system 6 includes the external pressing type hollow fibrous membrane of cylinder and the unilateral dead end being set in cylinder
Component 6-1, external pressure type hollow fiber membrane component 6-1 preferably use the material of microfiltration film or ultrafiltration membrane and filter membrane
It can be PP or PVDF, PES, PAN, PS, PE.
The structure of the activation mineralization device 7 is as described in Figure 2, be arranged inside by cocoanut active charcoal 7-1 and medical stone 7-2,
The mixer filter of limonite 7-3 composition, can be by being arranged successively or by other arrangement modes, the present invention is not carried out it in Fig. 2
It limits.The production water of film separation system 6 passes sequentially through three kinds of filter element filterings, and water outlet is capable of direct drinking, and containing there are many to people in water
The beneficial mineral matter element of body, it is possible to provide the minerals beneficial to human body.Different filtrate interlayers retain certain distance in device, just
In filtrate installation and change.
And aeration tube 5-4 and micro-pore aeration are respectively provided in photo catalysis reactor 5 of the present invention and film separation system 6
System 6-2, they after the corresponding solenoid valve of pipeline connection, multiple-way valve with air compressor machine 9 by being connected；Photo catalysis reactor 5 is installed
There is aeration tube 5-4 to carry out boring aeration, the turbulent extent of fluid in enhancing reactor, while being set in 6 water outlet of film separation system
Micro-pore aeration mechanism 6-2 is set, film surface is washed away in enhancing；It further include flowmeter 8-1, the flowmeter 8-1 is set to aeration
On pipe 5-4 and first solenoid valve 13-1 institute's connecting leg road, for being detected to fluid flow in pipeline；It further, further include electromagnetism
Valve control 15, the solenoid valve controller 15 is electrical connected with each solenoid valve, so that the unlatching of solenoid valve is by solenoid valve control
15 centralized control of device.
Also, the water purifier further includes check valve 14, and the check valve 14 is set to suction pump and the 5th solenoid valve 13-
On 5 connecting leg roads, realizes liquid conveying and anti-backflow acts on.
The working principle of the invention is:
Firstly, raw water introduces the first filter 3 of PP cotton filter element by water pump 2 in inlet tank 1 and seed activity char filter 4 forms
Pretreatment system, water outlet accesses the sealing shell 5-3 and quartz of suspended state photo catalysis reactor 5 by pipeline after pretreatment
Between casing 5-2, ultraviolet lamp 5-1 is controlled by ultraviolet lamp controller 5-5 and is opened, the UV light combined of light source irradiation is in it
Sterilization of the photochemical catalyst to water inlet, photocatalysis treatment, then the sealing shell 5-3 water outlet of catalytic reactor 5 passes through pipeline and passes through
The cylinder of film separation system 6 is sent into water outlet by the 6th solenoid valve 13-6, further through the external pressure type hollow fiber membrane component in cylinder
6-1 filtering produces water through the first water outlet of cylinder and enters Multifunction activated mineralization device 7, passes through its water outlet after activated
Discharge, and water is capable of direct drinking, and concentrated water then can be by its second water outlet under the action of reflux pump 10 in cylinder
Photo catalysis reactor 5 is returned to by the pipeline of reflux, is filled concentrated water by the water inlet of photo catalysis reactor sealing shell 5-3
Enter.
Then, the unlatching of each solenoid valve is controlled by solenoid valve controller 15, when solenoid valve controller 15 controls the first electromagnetism
When valve 13-1 and second solenoid valve 13-2 is opened, the 4th solenoid valve 13-4 is closed, air introduces multiple-way valve by air compressor machine 9, simultaneously
Flowmeter 8-1 detects gas flow in pipeline, and the aeration tube 5-4 being arranged in photo catalysis reactor 5 is to exposure inside sealing shell 5-3
Gas can promote in liquid and photochemical catalyst through air flowing and recycle, improves photocatalysis efficiency, while washing away film surface and slowing down film dirt
Dye；It is opened when solenoid valve controller 15 controls the 4th solenoid valve 13-4, the first solenoid valve 13-1 and second solenoid valve 13-2 are closed
When, for micro-pore aeration system 6-2 to being vented in cylinder, air enters doughnut from the cylinder water inlet of film separation system 6
Inside the filter membrane of membrane module 6-1, is recoiled using the strength of air, separate part photocatalyst particle from film surface, mention
Then water outlet is discharged into activation mineralization device 7 through the first water outlet by high film water processing capacity, prolonging service lifetime of film.Also,
When operational process, suction pump 11 is opened, meanwhile, third solenoid valve 13-3 is opened, the concentrated water in film separation system 6 is made in suction
Under, mixed liquor is filtered through hollow fiber filtering membrane, powdered TiO2It is trapped and passes through cylinder under the effect of reflux pump 10
The second water outlet return to photo catalysis reactor 5, the water outlet of the first water outlet of the cylinder of film separation system 6 then passes through pipe
Road enters the water inlet of more function activation mineralization devices 7 by triple valve 12, suction pump 11, check valve 14, the 5th solenoid valve 13-5.
Cocoanut active charcoal 7-1, tri- kinds of medical stone 7-2, wooden fish 7-3 filter cores are provided in more function activation mineralization devices 7
Mixer filter, the film of cylinder discharge produces water and passes sequentially through three kinds of filter element filterings, and using water outlet as water purifier out
The mouth of a river, water outlet is capable of direct drinking, and containing there are many mineral matter elements beneficial to human body in water.
In 5 continuous operation of photo catalysis reactor, suction pump 11, reflux pump 10 are opened, and solenoid valve controller 15 is opened
The first solenoid valve 13-1 and second solenoid valve 13-2 is opened, the 4th solenoid valve 13-4 is closed, when timing recoils, suction pump 11 is closed
It closes, the 6th solenoid valve 13-6 is closed, and solenoid valve controller 15 opens the 4th solenoid valve 13-4, closes the first solenoid valve 13-1 and the
Two solenoid valve 13-2 carry out gas recoil.
Water purifier of the invention can be combined with photo catalysis reactor with external membrane separation system, can solve catalyst
The problem of hardly possible separation, it ensure that the reuse of photochemical catalyst, unilateral dead end hollow-fibre membrane used in film separation system
Component, compared to traditional external membrane component, operating pressure is lower, and water flux is bigger, and contamination resistance is stronger.
It is following to provide the embodiments specifically used of the present invention, with verify the present invention can decelerating membrane pollution, and improve photocatalysis
Reaction rate.
Embodiment 1,
Somewhere reservoir water is taken in the present embodiment, water quality indicator is that TOC is 2.5 ± 0.3mg/L, and turbidity 1.5-2, pH are
6.25-6.5 total number of bacteria 103CFU/mL is handled under the following conditions:
Photocatalyst concentrations will be inserted in photo catalysis reactor: 1g/L；
Photo catalysis reactor mean residence time (HRT): 30min；
After clarifier of the present invention processing, it is 0.5 ± 0.05 mg/L that the effluent quality index for obtaining water outlet, which is TOC, and turbidity is
0.1, total number of bacteria 0；TOC average removal rate is 80%, and turbidity average removal rate is 95%, and removal of bacteria rate is 100%.
Embodiment 2,
The tap water of this area the present embodiment Zhong Qu, water quality indicator CODMnFor 1.8 ± 0.5mg/L, TOC is 2.1 ±
0.2mg/L, total number of bacteria 70CFU/mL, is handled under the following conditions:
Photocatalyst concentrations will be inserted in photo catalysis reactor: 1g/L；
Photo catalysis reactor mean residence time (HRT): 30min；
After clarifier of the present invention processing, the effluent quality index for obtaining water outlet is CODMnIt is for 0.5 ± 0.05mg/L, TOC
0.3 ± 0.02mg/L, total number of bacteria 0；CODMnAverage removal rate is that 73%, TOC average removal rate is 86%, and removal of bacteria rate is
100%。
Embodiment 3,
Commercial humic acid salt is taken to be made into pending water in the present embodiment, TOC is 4.0 ± 0.2mg/L, and pH is 7.0 or so, UV254For
0.3±0.05cm-1, it is handled under the following conditions:
Catalyst concn will be inserted in photo catalysis reactor: 1g/L；
Photo catalysis reactor mean residence time (HRT): 30min；
After clarifier of the present invention processing, it is 1.28 ± 0.1 mg/L, UV that the effluent quality index for obtaining water outlet, which is TOC,254For
0.03±0.01cm-1；TOC average removal rate is 68%, UV254Average removal rate is 90%.
To sum up, the present invention is under the premise of keeping greater catalytic efficiency, and can increase compared with low operating pressure, mitigation fouling membrane
Its strong catalytic efficiency and film contamination resistance, reduce operation energy consumption；Also, water purifier of the invention is used for micropollutant water and drink
With the processing of water, processing water is big, can not only effectively remove big yield small molecular natural organic matter, can also make in water
Carcinogen, bacterium etc. substantially reduce, and additionally have the function of activation mineralization water quality.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Claims (10)
1. a kind of novel external suspension photocatalytic film water purifier characterized by comprising inlet tank, water pump, the first filtering
Device, active carbon filter, photo catalysis reactor, film separation system, activation mineralization device, reflux pump, suction pump, the first to the 6th electricity
Magnet valve, air compressor machine, wherein the water outlet of inlet tank is connect by pipeline with water pump and water pump passes through pipeline and first filter
Water inlet connection；The water outlet of the first filter is connected by the water inlet of pipeline and active carbon filter；The active carbon
The water outlet of filter and the water inlet of photo catalysis reactor connect, and the water outlet of photo catalysis reactor passes through pipeline connection the 6th
It is connect after solenoid valve with the water inlet of film separation system；First water outlet of the film separation system is sequentially connected three by pipeline
Port valve, suction pump pump mouth, the water outlet of the suction pump by pipeline connect after the 5th solenoid valve with activation mineralization device
Water inlet be connected and film separation system the second water outlet by pipeline connection third solenoid valve after with photo catalysis reactor
Water inlet is connected；Aeration tube is set in the photo catalysis reactor, and aeration tube is sequentially connected the first solenoid valve, more by pipeline
Air compressor machine is connected to after port valve；Micro-pore aeration mechanism is set in the film separation system, and micro-pore aeration mechanism by pipeline according to
Air compressor machine is connected to after secondary connection second solenoid valve, multiple-way valve；One end of 4th valve is connect by pipeline with multiple-way valve,
And the 4th the other end of valve connect with triple valve by pipeline；And using the water outlet of activation mineralization device as water purifier
Water outlet.
2. novel external suspension photocatalytic film water purifier according to claim 1, it is characterised in that: the light-catalyzed reaction
Device includes sealing shell, quartz socket tube, ultraviolet lamp, ultraviolet lamp controller, and wherein quartz socket tube is arranged in sealing shell, and will
Ultraviolet lamp is sealed inside quartz socket tube；The ultraviolet lamp controller is electrical connected with ultraviolet lamp；The sealing shell and
Photochemical catalyst is loaded between quartz socket tube.
3. novel external suspension photocatalytic film water purifier according to claim 1, it is characterised in that: the first filter
Interior filling PP cotton filter element.
4. novel external suspension photocatalytic film water purifier according to claim 1, it is characterised in that: further include for detecting
The liquid level sensor and fluid level controller of liquid level in photo catalysis reactor, the liquid level sensor and fluid level controller are electrical
It is connected, and fluid level controller is electrical connected with water pump.
5. novel external suspension photocatalytic film water purifier according to claim 1, it is characterised in that: the film separation system
Including cylinder and the external pressure type hollow fiber membrane component being set in cylinder.
6. novel external suspension photocatalytic film water purifier according to claim 5, it is characterised in that: the external-compression type is hollow
Fiber film component is PP or PVDF, PES, PAN, PS, PE using the material of filter membrane and filter membrane.
7. novel external suspension photocatalytic film water purifier according to claim 1, it is characterised in that: the activation mineralization dress
Set the interior mixer filter for being arranged and being made of cocoanut active charcoal and medical stone, limonite.
8. novel external suspension photocatalytic film water purifier according to claim 1, it is characterised in that: it further include flowmeter,
The flowmeter is set on aeration tube and the first solenoid valve institute's connecting leg road.
9. novel external suspension photocatalytic film water purifier according to claim 1, it is characterised in that: it further include check valve,
The check valve is set in suction pump and the 5th solenoid valve institute's connecting leg road.
10. novel external suspension photocatalytic film water purifier according to claim 1, it is characterised in that: further include solenoid valve
Controller, the solenoid valve controller are electrical connected with each solenoid valve.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110921890A (en) * | 2019-10-30 | 2020-03-27 | 吉林化工学院 | Organic waste water photocatalysis processing apparatus |
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| CN1410373A (en) * | 2002-11-22 | 2003-04-16 | 武汉理工大学 | High adsorptivity, photo catalytic and mineralization treatment unit for drinking water |
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