CN105692965A - Emergency drinking water purifying treatment device - Google Patents
Emergency drinking water purifying treatment device Download PDFInfo
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- CN105692965A CN105692965A CN201610226394.1A CN201610226394A CN105692965A CN 105692965 A CN105692965 A CN 105692965A CN 201610226394 A CN201610226394 A CN 201610226394A CN 105692965 A CN105692965 A CN 105692965A
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- reverse osmosis
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- drinking water
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- 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
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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
- 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
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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
- 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
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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
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention relates to emergency living tools, in particular to an emergency drinking water purifying treatment device which can be used during water lack. The device comprises a raw water tank, a raw water pump, a mechanical filter, an activated carbon filter, a medicine adding device, a precision filter and a reverse osmosis desalination device, the raw water tank is communicated with the raw water pump through a pipeline, the raw water pump is communicated with the mechanical filter through a pipeline, the medicine adding device is arranged between the raw water pump and the mechanical filter, and the mechanical filter is communicated with the activated carbon filter which is communicated with the precision filter. The emergency drinking water purifying treatment device is stable in outgoing water quality, and the reserves osmosis desalination device stable in running is used as main desalination equipment of a system; the system is low in running cost and easy to realize automation. The reverse osmosis desalination device removes 97% of salt in raw water, so that workload of after-treatment is quite small.
Description
Technical field
The present invention relates to a kind of emergent life instrument, can be used for the emergency drinking water purifying processing device in hydropenia situation specifically。
Background technology
Although conventional its initial investment of ion exchange water treatment technique is low, but its operating cost is high, and regenerated acid and alkali discharging of waste liquid amount is big, causes environmental pollution。Emergent vehicular water purifier is in the face of different Yuan Shui water sources, it is impossible to solve, with good, the problem that water purification is filtered。Such as run into emergency situations, when occurring such as large-scale long-time stopping water supply, existing emergency drinking water purifying processing device cannot realize quickly by various waste water filterings to the standard that can drink, all being likely to occur filtration such as second-rate former water such as urine, river, sewage not thorough, harmful material can remain in the phenomenon in former water。
If number of patent application is CN201520062985.0, the applying date is 2015-01-29, name is called the utility model device of " one is novel detects water quality activated carbon emergency drinking water purifying processing device ", its technical scheme is: one is novel detects water quality activated carbon emergency drinking water purifying processing device, including defecator body, crossing trap, described defecator body is arranged on device middle position；Described trap of crossing is arranged on below described defecator body；Described defecator body is provided with discharge outlet after purification；Described defecator body is provided with decompression discharge outlet；Described defecator body is provided with device water pressure gauge；Described defecator body is provided above feed cable interface；Described feed cable interface is provided above water source inlet；Described defecator body is provided with guidance panel；Described trap of crossing is arranged below impurity temporary storage cavity；Described defecator body is provided with purification impurity liquid drain pipe。
Although above-mentioned patent structure is relatively simple, but rise the filter effect of former water is very limited, for raw water quality poor in the case of, it is impossible to realize filtration quick, substantial amounts of。
Summary of the invention
For realizing above-mentioned technical purpose, technical scheme is as follows:
A kind of emergency drinking water purifying processing device, it is characterized in that: include raw water box, raw water pump, mechanical filter, active carbon filter, chemicals dosing plant, accurate filter and Reverse Osmosis Desalination Process Equipment, described raw water box and raw water pump pass through pipeline communication, described raw water pump and mechanical filter pipeline communication, it is provided with chemicals dosing plant between described raw water pump and mechanical filter pipeline, described mechanical filter connects with described active carbon filter, described active carbon filter connects with accurate filter, described accurate filter connects with Reverse Osmosis Desalination Process Equipment, described Reverse Osmosis Desalination Process Equipment includes first-stage reverse osmosis element and two-pass reverse osmosis element。
Described chemicals dosing plant includes dosing pump and batch meter。
Being added with flocculant in the batch meter of described chemicals dosing plant, described flocculant includes the Al of 5.3-6.8wt%2O3, 0.2-.04wt% SiO2, the sucrose of 2.3-3.2wt%, 0.05-0.15wt% Na2HPO4, 0.0001-0.0002wt% FeCl3, all the other are water。
Described accurate filter is specially stacked automatic cleaning accurate filter, and filtration grade is 100 μ。
It is additionally provided with ultrafiltration apparatus between described accurate filter and reverse osmosis unit, the membrane aperture of described ultrafiltration apparatus is 5nm～0.1 μm, operation pressure is 0.1～0.5 atmospheric pressure, and separate object is molecular weight is macromole and antibacterial, virus and the colloid of 300-300000。
Described ultrafiltration apparatus is connected to ultrafiltration water tank, and described ultrafiltration water tank is connected to one-level booster pump, and one-level booster pump is communicated with 5 μm of cartridge filters, and 5 μm of cartridge filters are connected to two grades of high-pressure pumps, and two grades of high-pressure pumps are connected with Reverse Osmosis Desalination Process Equipment。
Described ultrafiltration apparatus is also associated with backwash pump, and ultrafiltration apparatus place is provided with oxidant dosing system。Oxidant dosing system is specially the structure realizing adding oxidant in ultrafiltration apparatus well known to those skilled in the art。
Described 5 μm of cartridge filter places are additionally provided with scale inhibitor dosing system and reducing agent dosing system。Scale inhibitor dosing system and reducing agent dosing system are specially the structure realizing adding antisludging agent and reducing agent in ultrafiltration apparatus well known to those skilled in the art。
The antisludging agent that scale inhibitor dosing system adds is purity is the composite slow-corrosion scale resistor of 100%；Adding antibacterial in former pond, described antibacterial is purity is NaClO solution or the solid chlorine dioxide of 8%-12%；The reducing agent that reducing agent dosing system adds is the purity NaHSO more than 98%3Solution；It is the NaOH solution of 96%, wherein carbonate that intermediate water tank place adds concentration, with Na2CO3Meter weight ratio≤0.8%, sodium chloride, in NaCl weight ratio≤2%, iron sesquioxide, with Fe2O3Meter weight ratio≤0.01%。
Described Reverse Osmosis Desalination Process Equipment also includes the intermediate water tank being connected with first-stage reverse osmosis element, described intermediate water tank is connected with two-stage supercharging pump, described two-stage supercharging pump and 3 μm of cartridge filters are connected, described cartridge filter is connected to high-pressure pump, described high-pressure pump is connected with two-pass reverse osmosis element, described two-pass reverse osmosis element is connected to ozonator, and described ozonator is connected to finished product water tank。
The reverse osmosis membrane aperture of the first-stage reverse osmosis element in described reverse osmosis unit is 0.5-1nm, and the reverse osmosis membrane aperture of described two-pass reverse osmosis element is 0.1-5nm, and operation pressure is 0.5-1.7 atmospheric pressure。Separate object is the inorganic ions of below 0.1-1nm and little molecule。
The reverse osmosis membrane that two-pass reverse osmosis element and first-stage reverse osmosis element use is composite membrane, and monofilm salt rejection rate is 98.5%, and each composite membrane includes two set permeable membranes。Two set permeable membranes of first-stage reverse osmosis element are 1:1 arrangement/set, and two set permeable membranes of two-pass reverse osmosis element are 1 arrangement/set。
It is an advantage of the current invention that:
1, the stable effluent quality of the application, system run all right Reverse Osmosis Desalination Process Equipment as the main desalter of system；Systematic running cost is low, easily be automated。Owing to reverse osmosis unit is stripped of in former water the salt of about 97%, so the workload of post processing is only small。
2, the application is applicable to Pure water preparation, produce such as picture tube glass bulb, image reproducer, liquid crystal display (block), wiring board, hard disc of computer, the pure water needed for the technique such as IC chip, single-crystal semiconductor, high purity water as produced electronics industry；Produce the high, medium and low voltage boiler supply demineralized water in steam power plant, thermal power plant；Produce the medical large transfusion needed for medical industry, injection, medicament, biochemical product pure water, medical aseptic water and artificial kidney dialysis with pure water, lab analysis pure water；Producing food, the drinking pure water of beverage (containing drinks) industry, distilled water, mineral water, drinks brewing water uses pure water with blending；Sea water, bitter produce domestic water and drinking water。
3, the application is applicable to chemical industry, domestic water and the process of other water, as petro chemical industry such as chemical reaction cools down water；Chemical agent, chemical fertilizer and fine chemistry industry, cosmetics manufacture process technique pure water；Produce electroplating technology water ion water；The pure water of battery (accumulator) production technology；Automobile, household electrical appliance, building material product external coating, cleaning pure water；Coated glass pure water；Softening demineralized water needed for textile printing and dyeing process；Domestic water, recreational water and landscape water；Hotel, building, community, the high-quality water supply network system of airport house property property and swimming pool water；The softening water of Industrial Boiler。
4, the application is applicable to wastewater treatment, such as various industry, sanitary wastewaters such as hospital sewage, dyeing waste water, food。
5, the filter disc filtering technique of the application, performance is accurately sensitive, it is ensured that only particle diameter is less than the granule ability entrance system required, is maximally effective filtration system；Specification has 5 μ, 10 μ, 20 μ, 55 μ, 100 μ, 130 μ, 200 μ etc. multiple, and user can according to requiring to select the filtering table of different accuracy with water。Flow system flow can flexible as required。Standard modular, saves and takes up an area；System is based on standard disk filter element, and by modularized design, user can on-demand accept or reject, flexibility and changeability, and interchangeability is strong。System compact, takes up an area minimum, can install by flexible utilization corner space, as processed water yield 300m3The equipment of about/h takes up an area only about 6m2(general water quality, filtration grade 100 μ)。Fully automatic operation, continuous effluent: between each unit in combination of filters, backwash process one after the other carries out, and automatically switches, it can be ensured that continuous effluent between work, backwash state;Backwash water consumption is few, only accounts for the 0.5% of water yield；As coordinated air assisted backwash, more less than 0.2% can be dropped to from water consumption。Backwash thoroughly at a high speed, only needs tens of seconds to complete；Life-span is long: novel plastic filter element is firm, nothing is worn and torn, fouling corrosion-free, few, through industry practical validation for many years, uses 6 ~ 10 years also without abrasion, will not be aging, filters and backwash effect will not be deteriorated because of the use time。High-quality, maintenance is few: product meets respective quality standard, and all products all through simulated condition detection and test running, do not need specific purpose tool before dispatching from the factory, and parts are little；It is prone to use, it is only necessary to make regular check on, need regular maintenance hardly。
6, the mechanical filter equipment manufacturing cost of the application is cheap, and operating cost expense is low, management simplicity；Filtrate can repeatedly use through backwash, and life-span of filtering material is long；Good filtration effect, floor space is little。
7, Organic substance is had bigger removal effect by the ultrafiltration apparatus of the application, and molecular cut off is more than 1000。Operating pressure is relatively low, and < 2.0bar, percentage of water loss is below 10%, and operating cost is relatively low。During ultrafiltration apparatus backwash is into water, is not that ultrafiltration product water does not result in waste。To removing, ion is invalid, and it can retain containing trace element that human body is useful in natural water, such as magnesium, and ferrum, zinc, selenium, mineral and the inorganic salt such as iodine。
8, the composite scale inhibitor of the scale inhibitor dosing system of the application can reach good scale inhibition effect, and it can improve the saturation of the indissoluble material in water, can shield BaSO simultaneously4Structure tendency, it has following functions: suppress precipitation effect, peptizaiton, lattice distortion effect, complexing。After adopting this kind of antisludging agent, the performance of concrete scale prevention ability is as follows: LSI can be increased to 2.6 by negative value, BaSO4Saturation index up to 160 times, SrSO4Saturation index up to 12 times, CaF2Saturation index up to 120 times, SiO2Saturation index maximum up to 2 times。Another kind of benefit is often subject to people and ignores: namely this antisludging agent is low-phosphorous organic double compound, after discharge, natural water will not produce the impact of eutrophication, be environmental type product。
Accompanying drawing explanation
Fig. 1 is assembly of the invention attachment structure schematic diagram。
Detailed description of the invention
Embodiment 1
A kind of emergency drinking water purifying processing device includes raw water box, raw water pump, mechanical filter, active carbon filter, chemicals dosing plant, accurate filter and Reverse Osmosis Desalination Process Equipment, described raw water box and raw water pump pass through pipeline communication, described raw water pump and mechanical filter pipeline communication, it is provided with chemicals dosing plant between described raw water pump and mechanical filter pipeline, described mechanical filter connects with described active carbon filter, described active carbon filter connects with accurate filter, described accurate filter connects with Reverse Osmosis Desalination Process Equipment, described Reverse Osmosis Desalination Process Equipment includes first-stage reverse osmosis element and two-pass reverse osmosis element。The stable effluent quality of the application, system run all right Reverse Osmosis Desalination Process Equipment as the main desalter of system；Systematic running cost is low, easily be automated。Owing to reverse osmosis unit is stripped of in former water the salt of about 97%, so the workload of post processing is only small。
Embodiment 2
A kind of emergency drinking water purifying processing device includes raw water box, raw water pump, mechanical filter, active carbon filter, chemicals dosing plant, accurate filter and Reverse Osmosis Desalination Process Equipment, described raw water box and raw water pump pass through pipeline communication, described raw water pump and mechanical filter pipeline communication, it is provided with chemicals dosing plant between described raw water pump and mechanical filter pipeline, described mechanical filter connects with described active carbon filter, described active carbon filter connects with accurate filter, described accurate filter connects with Reverse Osmosis Desalination Process Equipment, described Reverse Osmosis Desalination Process Equipment includes first-stage reverse osmosis element and two-pass reverse osmosis element。
Chemicals dosing plant includes dosing pump and batch meter。
Being added with flocculant in the batch meter of chemicals dosing plant, described flocculant includes the Al of 5.3-6.8wt%2O3, 0.2-.04wt% SiO2, the sucrose of 2.3-3.2wt%, 0.05-0.15wt% Na2HPO4, 0.0001-0.0002wt% FeCl3, all the other are water。
Accurate filter is specially stacked automatic cleaning accurate filter, and filtration grade is 100 μ。
Ultrafiltration apparatus it is additionally provided with between accurate filter and reverse osmosis unit, the membrane aperture of described ultrafiltration apparatus is 5nm～0.1 μm, operation pressure is 0.1～0.5 atmospheric pressure, and separate object is molecular weight is macromole and antibacterial, virus and the colloid of 300-300000。
Ultrafiltration apparatus is connected to ultrafiltration water tank, and described ultrafiltration water tank is connected to one-level booster pump, and one-level booster pump is communicated with 5 μm of cartridge filters, and 5 μm of cartridge filters are connected to two grades of high-pressure pumps, and two grades of high-pressure pumps are connected with Reverse Osmosis Desalination Process Equipment。
Described ultrafiltration apparatus is also associated with backwash pump, and ultrafiltration apparatus place is provided with oxidant dosing system。Oxidant dosing system is specially the structure realizing adding oxidant in ultrafiltration apparatus well known to those skilled in the art。
5 μm of cartridge filter places are additionally provided with scale inhibitor dosing system and reducing agent dosing system。Scale inhibitor dosing system and reducing agent dosing system are specially the structure realizing adding antisludging agent and reducing agent in ultrafiltration apparatus well known to those skilled in the art。
The antisludging agent that scale inhibitor dosing system adds is purity is the composite slow-corrosion scale resistor of 100%；Adding antibacterial in former pond, described antibacterial is purity is NaClO solution or the solid chlorine dioxide of 8%-12%；The reducing agent that reducing agent dosing system adds is the purity NaHSO more than 98%3Solution；It is the NaOH solution of 96%, wherein carbonate that intermediate water tank place adds concentration, with Na2CO3Meter weight ratio≤0.8%, sodium chloride, in NaCl weight ratio≤2%, iron sesquioxide, with Fe2O3Meter weight ratio≤0.01%。
Reverse Osmosis Desalination Process Equipment also includes the intermediate water tank being connected with first-stage reverse osmosis element, described intermediate water tank is connected with two-stage supercharging pump, described two-stage supercharging pump and 3 μm of cartridge filters are connected, described cartridge filter is connected to high-pressure pump, described high-pressure pump is connected with two-pass reverse osmosis element, described two-pass reverse osmosis element is connected to ozonator, and described ozonator is connected to finished product water tank。
The reverse osmosis membrane aperture of the first-stage reverse osmosis element in described reverse osmosis unit is 0.5-1nm, and the reverse osmosis membrane aperture of described two-pass reverse osmosis element is 0.1-5nm, and operation pressure is 0.5-1.7 atmospheric pressure。Separate object is the inorganic ions of below 0.1-1nm and little molecule。
The reverse osmosis membrane that two-pass reverse osmosis element and first-stage reverse osmosis element use is composite membrane, and monofilm salt rejection rate is 98.5%, and each composite membrane includes two set permeable membranes。Two set permeable membranes of first-stage reverse osmosis element are 1:1 arrangement/set, and two set permeable membranes of two-pass reverse osmosis element are 1 arrangement/set。
The stable effluent quality of the application, system run all right Reverse Osmosis Desalination Process Equipment as the main desalter of system；Systematic running cost is low, easily be automated。Owing to reverse osmosis unit is stripped of in former water the salt of about 97%, so the workload of post processing is only small。
The application is applicable to Pure water preparation, produces such as picture tube glass bulb, image reproducer, liquid crystal display (block), wiring board, hard disc of computer, the pure water needed for the technique such as IC chip, single-crystal semiconductor, high purity water as produced electronics industry；Produce the high, medium and low voltage boiler supply demineralized water in steam power plant, thermal power plant；Produce the medical large transfusion needed for medical industry, injection, medicament, biochemical product pure water, medical aseptic water and artificial kidney dialysis with pure water, lab analysis pure water；Producing food, the drinking pure water of beverage (containing drinks) industry, distilled water, mineral water, drinks brewing water uses pure water with blending；Sea water, bitter produce domestic water and drinking water。
The application is applicable to chemical industry, domestic water and other water and processes, as petro chemical industry such as chemical reaction cools down water；Chemical agent, chemical fertilizer and fine chemistry industry, cosmetics manufacture process technique pure water；Produce electroplating technology water ion water；The pure water of battery (accumulator) production technology；Automobile, household electrical appliance, building material product external coating, cleaning pure water；Coated glass pure water；Softening demineralized water needed for textile printing and dyeing process；Domestic water, recreational water and landscape water；Hotel, building, community, the high-quality water supply network system of airport house property property and swimming pool water；The softening water of Industrial Boiler。
The application is applicable to wastewater treatment, such as various industry, sanitary wastewaters such as hospital sewage, dyeing waste water, food。
The stacked automatic cleaning accurate filter of the application has the advantage such as self-locking performance in-depth filtration, efficient property easy to clean。The lamination that unique design accurately manufactures, has the different specifications such as 20 μ, 55 μ, 100 μ, 130 μ, 200 μ, 400 μ, it is possible to select different filtering accuracies according to technological requirement。When filtering, filtering lamination and compressed by spring and fluid, pressure reduction is more big, and thrust is more strong。Ensure that self-locking performance high efficiency filter。Liquid is flowed to lamination inner edge by lamination outer rim by groove, through 18-32 filtered points, thus forming the in-depth filtration of uniqueness。Filtration can make to unclamp between lamination by craft or hydraulic pressure after terminating and carry out manual cleaning or automatic backwash。Use laminated filter as the pre-treatment of ultrafiltration system, it is possible to protection ultrafilter membrane is from the damage of the harmful substance in former water。
Being formed by filter element parallel combinations, its filter element is mainly made up of the ring-type reinforced plastics filter disc of one group of with groove or rib。During filtration, sewage enters from outside, and the wheel rim that the groove seamed edge on adjacent filter disc is formed is retained down solids in water；During backwash, water flows to outside from ring-type disc interiors, is got off by the wash dirt being trapped on filter disc, discharges through sewage draining exit。
Disc is superimposed for tightly compacted in unit, and in the middle of upper and lower two-layer disc, groove plays and filters the effect intercepted。
When former water is by filter element, ecto-entad flowing, can be intercepted at outside more than the impurity of groove。
The core component of stacked automatic cleaning accurate filter is the plastics filter disc being stacked together, filter disc has special groove or rib, groove on adjacent filter disc or rib constitute the passage of certain size, and particle diameter is all blocked more than the float of channel size, reaches filter effect。This product can replace traditional mechanical filter units such as sand filter to a great extent, and its superior performance, water power consume far below other products。
Stacked automatic cleaning accurate filter devises the rib of different structure on filter disc two sides, these ribs are superimposed and constitute interception face, wherein curve rib primarily serves the effect intercepting and storing float, without unclamping filter disc when adopting the bigger open design in outside to can ensure that backwash, backwash effect thoroughly also can be reached when hydraulic pressure is relatively low；Ring-type seamed edge determines filtering accuracy, constitutes the passage of water, and filter disc can provide the filtering accuracy of up to 5 μ。
When former water enters in the middle of two-layer filter disc, first fair curve rib flows in dish, but examines and cannot be directly entered。What at this moment play filtration interception function is annular rib, can annularly enter and the internal curve rib communicated by rib less than the impurity of annular rib groove dimensions, and big impurity is blocked。
The unique texture of filter disc also makes the backwash process gone out by dirt simpler and easy, and without mechanisms such as complicated motor and drivers, simple current can be enough to dirt is gone out filter element。This excellent properties decreases the backwashing time of filter；Filter simultaneously because dirt is not only stored between filter disc group and shell, can be stored in inside filter disc group more, so can hold more dirt。
Its filter process is: 1, pending sewage enters filter element from water inlet；2, current flow to inside filter disc group outside filter disc group；3, current are at the passage constituted through ring-type rib, and particle diameter is blocked more than the granule of rib height, are stored in the gap of space, filter disc group and shell that curve rib is constituted；4, after filter, clear water enters ring-type disc interiors, draws through outlet
Stacked automatic cleaning accurate filter is manufactured by reinforced polyamide plastics forming, anticorrosion antiwear, can bearing operating pressure 1MPa, filtering table material is that polypropylene plastics EPDM seals, and Inlet and outlet water and discharge pipe line have carbon steel polyester coated lining, engineering plastics and rustless steel three kinds；Valve has plastic valve or metal valve；System support provides multi-functional control dish。
The mechanical filter of the application is also referred to as pressure filter. and it is the important component part of pure water preparation early stage pretreatment, water purification system. material has steel line with rubber or rustless steel, difference according to filter medium is divided into natural quartz sand filter, more medium filter, active carbon filter, manganese sand filter etc., single current filter, double-current method filter can be divided into according to water intake mode, can be used in combination can also be used alone according to practical situation。The pipeline of single current mechanical filter is simple, operates steadily。Filtration flow-rate is generally 4 50m/n, and cycle of operation is generally 8 hours。The upper and lower two ends of double-current method mechanical filter are provided with water feed apparatus, and middle part is provided with discharging device。Its advantage is to filter the water yield relatively greatly, and dirty removal capacities is higher, and cycle of operation is long, is generally 20 hours, and shortcoming is that tubing is complex, runs less stable, rinses comparatively difficulty of reloading。Mechanical filter is to utilize one or more filter mediums, under pressure, makes stock solution pass through this medium, removes impurity, thus reaching the purpose filtered。Its built-in filler is generally: quartz sand, anthracite, particle porous pottery, manganese sand etc., and user can select to use according to practical situation。
Mechanical filter reduces turbidity in water mainly by filler, retains except in district's water, float, Organic substance, colloidal particles, microorganism, chlorine smell taste and part heavy metal ion, makes the water that feedwater is purified process one of traditional method。Operation principle: mechanical filter (has another name called more medium filter, quartz sand filter)。Being a kind of pressure filter, utilize the purity quartzite filtrate filled in filter, when water inlet flows through filtering layer from top to bottom, float and baregin granule in water are removed, so that the haze reduction of water。It is mainly used in water and processes the prime pretreatment of turbidity removal, softening water, electrodialysis, reverse osmosis, it is also possible in the aspect such as surface water, subsoil water。Can effectively remove the float in water, Organic substance, colloid, silt etc.。Can be widely applied to electron electric power, petrochemical industry, metallurgical plating, papermaking weaving, pharmacy dialysis, food and drink, Drinking Water, factory and enterprise water, swimming pool etc.。Every profession and trade liquid can be met and filter needs。
The ultrafiltration apparatus working method of the application belongs to same form, and namely in water inlet flow process, part water passes through film, and major part water is along while face PARALLEL FLOW, being taken away by the material that retains on film surface。And microporous filter is extruding of all intaking to be filtered, thus membrane micropore easily blocks。Though ultrafiltration is without desalting performance, but quite effective for removing the microgranules such as antibacterial in water, virus, colloid, macromole, and compared with reverse osmosis, operation pressure is low, and equipment is simple, and therefore hyperfiltration technique is ideal processing method for Pure water preparation。Additionally, ultrafiltration is also widely used in the every field such as medical industry, food industry and Industrial Wastewater Treatment。Remove all granules more than 0.01 μm, including antibacterial, virus and organic macromolecule etc.。The kind of current ultrafilter membrane has cellulose acetate film, polysulfone membrane and polyamide membrane etc.。Ultrafiltration apparatus is reverse osmosis unit such as, has the patterns such as plate and frame, tubular type (intrinsic pressure shell and tube and external pressure bundled tube), rolling and doughnut。
The effect of the scale inhibitor dosing system of the application is, before former water after the pre-treatment enters reverse osmosis, to add high efficiency scale inhibitor special, to prevent reverse osmosis concentrated water side from producing fouling。
The work process of reverse osmosis is that former water flows to the other end in the side of film from one end, and hydrone passes through film surface, arrives opposite side from Yuan Shui side, and inorganic ion is left in original side。Along with the flow process of former water increases gradually, hydrone is constantly taken away from former water, and the salinity stayed in former water incrementally increases, and namely former water is progressively concentrated, and eventually becomes dense water, discharges from device。Dense water after being concentrated various ion concentrations will be multiplied。Ca in natural water source2+、Mg2+、Ba2+、Sr2+、HCO3 -、SO4 2-、SiO2Long-pending etc. the ion concentration being prone to fouling being generally less than its equilibrium constant, occurring so not having fouling, but concentrated after, the concentration of various ions is long-pending is likely to substantially exceed equilibrium constant, therefore can produce serious fouling。
The standard judging water fouling is: for carbonate scale with bright lattice rel (LSI) for benchmark；The non-scaling as LSI < 1.8, fouling during LSI > 1.8；For sulfate scale, determining with saturation index, water middle-jiao yang, function of the spleen and stomach, the ratio that the concentration of anion is amassed with saturation balance constant are saturation index。The non-scaling when saturation index is less than 1, on the contrary will fouling。
The main purpose that 5 μm of cartridge filters are arranged is to retain bulky grain thing because ultrafiltration system fails to remove, colloid, float。5 μm of cartridge filters of configuration before reverse osmosis unit, to prevent bulky grain thing from entering high-pressure pump and reverse osmosis membrane。The shell of cartridge filter adopts rustless steel, 5 μm of filter bags of built-in precision。In normal operating conditions, filter bag can maintain the service life of about 2-4 month, when changing when more than pressure reduction (being generally 0.07-0.1MPa) set。5 μm of cartridge filter silk stocking structures are similar with operation principle, are only the difference of filter sizes。
Reducing agent dosing system: in order to sterilize in former water, Xiang Shuizhong adds chlorine dioxide or oxidizing substance, and rear class desalting processing reverse osmosis membrane material is polyamide composite film, is the poor material of a kind of oxidative resistance, therefore, former water is removed before entering reverse osmosis。
Reverse Osmosis Desalination Process Equipment includes first-stage reverse osmosis element and two-pass reverse osmosis element, and reverse osmosis membrane desalination system is configured with a set of chemical cleaning system, and wherein Reverse Osmosis Desalination Process Equipment is divided into two sets by four high-pressure pumps and the 0.25m that exerts oneself3The two-pass reverse osmosis membrane module composition of/h, reverse osmosis membrane all adopts ultralow pressure, oligosaprobic composite membrane, and single film salt rejection rate reaches 98.5%。When system design pressure is 15 DEG C, it is contemplated that the factors such as the service life of raw water quality change and film, the level system response rate is at more than 25-50%, and system salt rejection rate is not less than 97%。
The application adopts 4 ' reverse osmosis membranes of Hydranautics or LG-DOW。
When Reverse Osmosis Desalination Process Equipment is stopped transport, with the high TDS back water in product water auto-flushing, the row's of squeezing film and stainless steel pipes, stoppage in transit film is made to be fully immersed in fresh water, it is possible to prevent the membrane damage that the naturally osmotic of film causes, decontamination contaminant releasing, makes device and reverse osmosis membrane effectively be maintained。
The chemical cleaning system of Reverse Osmosis Desalination Process Equipment, this system is by a cleaning medicine-chest, one rustless steel cleans pump, 5 μm of filters, one group of instrument and connects pipe fitting composition, when membrane module is contaminated, it is possible to carry out the Chemical cleaning of Reverse Osmosis Desalination Process Equipment with it。
Claims (10)
1. an emergency drinking water purifying processing device, it is characterized in that: include raw water box, raw water pump, mechanical filter, active carbon filter, chemicals dosing plant, accurate filter and Reverse Osmosis Desalination Process Equipment, described raw water box and raw water pump pass through pipeline communication, described raw water pump and mechanical filter pipeline communication, it is provided with chemicals dosing plant between described raw water pump and mechanical filter pipeline, described mechanical filter connects with described active carbon filter, described active carbon filter connects with accurate filter, described accurate filter connects with Reverse Osmosis Desalination Process Equipment, described Reverse Osmosis Desalination Process Equipment includes first-stage reverse osmosis element and two-pass reverse osmosis element。
2. a kind of emergency drinking water purifying processing device according to claim 1, it is characterised in that: described chemicals dosing plant includes dosing pump and batch meter。
3. a kind of emergency drinking water purifying processing device according to Claims 2 or 3, it is characterised in that: being added with flocculant in the batch meter of described chemicals dosing plant, described flocculant includes the Al of 5.3-6.8wt%2O3, 0.2-.04wt% SiO2, the sucrose of 2.3-3.2wt%, 0.05-0.15wt% Na2HPO4, 0.0001-0.0002wt% FeCl3, all the other are water。
4. a kind of emergency drinking water purifying processing device according to claim 3, it is characterised in that: described accurate filter is specially stacked automatic cleaning accurate filter, and filtration grade is 100 μ。
5. a kind of emergency drinking water purifying processing device according to claim 4, it is characterized in that: between described accurate filter and reverse osmosis unit, be additionally provided with ultrafiltration apparatus, the membrane aperture of described ultrafiltration apparatus is 5nm～0.1 μm, operation pressure is 0.1～0.5 atmospheric pressure, and separate object is molecular weight is macromole and antibacterial, virus and the colloid of 300-300000。
6. a kind of emergency drinking water purifying processing device according to claim 5, it is characterized in that: described ultrafiltration apparatus is connected to ultrafiltration water tank, described ultrafiltration water tank is connected to one-level booster pump, one-level booster pump is communicated with 5 μm of cartridge filters, 5 μm of cartridge filters are connected to two grades of high-pressure pumps, and two grades of high-pressure pumps are connected with Reverse Osmosis Desalination Process Equipment。
7. a kind of emergency drinking water purifying processing device according to claim 6, it is characterised in that: described ultrafiltration apparatus is also associated with backwash pump, and ultrafiltration apparatus place is provided with oxidant dosing system；Described 5 μm of cartridge filter places are additionally provided with scale inhibitor dosing system and reducing agent dosing system。
8. a kind of emergency drinking water purifying processing device according to claim 7, it is characterised in that: the antisludging agent that scale inhibitor dosing system adds is purity is the composite slow-corrosion scale resistor of 100%；Adding antibacterial in former pond, described antibacterial is purity is NaClO solution or the solid chlorine dioxide of 8%-12%；The reducing agent that reducing agent dosing system adds is the purity NaHSO more than 98%3Solution；It is the NaOH solution of 96%, wherein carbonate that intermediate water tank place adds concentration, with Na2CO3Meter weight ratio≤0.8%, sodium chloride, in NaCl weight ratio≤2%, iron sesquioxide, with Fe2O3Meter weight ratio≤0.01%。
9. a kind of emergency drinking water purifying processing device according to claim 8, it is characterized in that: described Reverse Osmosis Desalination Process Equipment also includes the intermediate water tank being connected with first-stage reverse osmosis element, described intermediate water tank is connected with two-stage supercharging pump, described two-stage supercharging pump and 3 μm of cartridge filters are connected, described cartridge filter is connected to high-pressure pump, described high-pressure pump is connected with two-pass reverse osmosis element, described two-pass reverse osmosis element is connected to ozonator, and described ozonator is connected to finished product water tank。
10. a kind of emergency drinking water purifying processing device according to claim 9, it is characterized in that: the reverse osmosis membrane aperture of the first-stage reverse osmosis element in described reverse osmosis unit is 0.5-1nm, the reverse osmosis membrane aperture of described two-pass reverse osmosis element is 0.1-5nm, and operation pressure is 0.5-1.7 atmospheric pressure；The reverse osmosis membrane that two-pass reverse osmosis element and first-stage reverse osmosis element use is composite membrane, and monofilm salt rejection rate is 98.5%, and each composite membrane includes two set permeable membranes。
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| CN108341524A (en) * | 2018-04-16 | 2018-07-31 | 浙江亿贝环保科技有限公司 | Quick movable integrated sewage disposal device |
| CN110759569A (en) * | 2019-10-24 | 2020-02-07 | 秦皇岛艾科晟科技有限公司 | Industrial water treatment system |
| CN111186939A (en) * | 2020-01-17 | 2020-05-22 | 西安建筑科技大学 | Emergency water movable treatment system |
| CN112744947A (en) * | 2020-12-11 | 2021-05-04 | 安徽金禾实业股份有限公司 | Purified DCS (distributed control system) of pure water for hydrogen peroxide process |
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