CN105060603A - Movable emergency water treatment apparatus based on various pollution types, and technology thereof - Google Patents
Movable emergency water treatment apparatus based on various pollution types, and technology thereof Download PDFInfo
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Abstract
The invention discloses a movable emergency water treatment apparatus based on various pollution types, and a technology thereof, and belongs to the technical field of water treatment apparatuses and technologies thereof. The apparatus comprises, sequentially connected, a pre-sedimentation bag, a magnetically loaded coagulation reactor, an ultrafiltration module, a reverse osmosis and nanofiltration module, a sterilization module and a produced water bag. The technology comprises the following steps: adding raw material in a water source to the pre-precipitation bag; pumping the raw water in the pre-precipitation bag into the magnetically loaded coagulation reactor, adding powder, a coagulant and a coagulant aid to a reagent feeding system in order to coagulate; allowing the raw water to go through the reagent feeding system, to precipitate in a precipitation box, to flow through an intermediate water tank and to be pumped into the ultrafiltration module; carrying out ultrafiltration treatment on the raw water through the ultrafiltration module; allowing the raw water to go through the reverse osmosis and nanofiltration module in order to undergo reverse osmosis and nanofiltration treatment; allowing the raw water to go through the sterilization module in order to be sterilized; and allowing the obtained raw water to flow into the produced water bag. A system is provided with the ultrafiltration module and the magnetically loaded coagulation reactor which are autonomously developed, so water quality requirements of domestic drinking water are met through adjusting technological parameters under different slightly-polluted water source conditions.
Description
Technical field
The invention belongs to water treating equipment and Technology field, be specifically related to a kind of mobile emergency water treating equipment based on multiple pollution type and technique thereof.
Background technology
Water is the source of life of the mankind, and in various artificial and natural disaster, the health and lives of the disaster-stricken common people in the shortage serious threat of safe drinking water.On the one hand, along with the fast development of Chinese society economy, the probability that some paroxysmal environment events occur constantly increases, and constitutes serious threat to urban drinking water waterhead area.Typical in a small bay in a river river high strength ammonia polluted by nitrogen (Jianyang section ammonia nitrogen index exceeding standard 40 to 50 times) in 2004, Song Hua River benzene class organic contamination event in 2005, within 2007, Wuxi City Taihu Lake blue-green algae breaks out in advance, Zhengjiang City's phenol in 2012 leaks and enters running water system, and 2013 chemical plant, Changzhi City one aniline leak and enter upstream, the Zhanghe River.On the other hand, the drinking water pollution that natural disaster causes or shortage also threaten the safe drinking water of people regularly, typically as earthquake causes waterworks to be destroyed.In addition, for modern military, combat unit should possess self-supporting capability, and army is under field condition, and the tap water of combat troop and the transfusion water supply of medical team are the important contents that modernization army logistic ensures.
To this, country puts into effect and has issued a series of documentary information about drinking water safety." General Office of the State Council is about the notice strengthening drinking water safety safeguard work " (2005) point out conscientiously to carry out drinking water safety safeguard work is a urgent task people-oriented really fulfills; Chinese Ministry of Environmental Protection's file " notice about strengthening the work of drinking water source safety control further " (2009) is pointed out to work out burst drinking water source pollution incident emergency preplan, strengthen emergency drilling, thering is provided management and tachnical storage for processing great suddenly accident, effectively taking precautions against drinking water safety risk; Propose in " People's Republic of China's national economy and social development the 12 five-year-plan outline " to strengthen environment protection, ensure drinking water safety; Mobile water processor is included into emergent great green technology equipment classification by " great green technology equipment target (2011 editions) of national encourage growth " that Ministry of Industry and Information of country issues.
The purification of the complicated water quality of tap water conventional processing (coagulation, precipitation, filtration, sterilization process) more difficult realization, membrane technique (especially ultra-filtration technique) effectively can improve the biological safety of water, obtains and applies comparatively widely.
Magnetic load flocculation sediment technology be magnetic kind load and externally-applied magnetic field effect under, by foreign field, material is carried out magnetic field treatment, strengthen flocculate and magnetic coalescent to reach high-efficiency sedimentation and filtration, thus reach the emerging water technology of idetified separation process.Compared with the ordinary method such as sedimentation, filtration, magnetic loads flocculation technique and has the series of advantages such as processing power is large, efficiency is high, consuming little energy, simple and compact device.It has not only been successfully applied to BF Gas Washing water, fume from steel making is purified liquid waste, the purification of rolling effluent and sintering wastewater, and also has good development prospect in the purification of other trade effluent, municipal effluent and sanitary sewage.But the mobile emergency water treating equipment based on this technology then have no open.
At present, disclosed mobile emergency treatment process is mainly divided into two kinds, and a kind of is traditional coagulating sedimentation filtration process, and one is membrane treatment process.Publication number is that the Chinese patent of CN202201764U discloses a kind of emergency management and rescue water treatment vehicle, adopt common coagulation-settlement process, mud is more loose, when water requirement is larger, the cleaning of strainer is comparatively frequent, and if strainer once damage the operation finding to affect whole plant not in time.Publication number is that the Chinese patent of CN202186316U discloses a kind of emergency processing car, adopts the emergency handling process of " flocculation tank-intermediate water tank-equipment for separating liquid from solid-filtration unit ", is provided with filter part in filtration unit, and filter part is mineral wool and quartz sand.Although this technique can process river silt, filter tank floor space is large, and go out water unstable, and easily block, the cycle of operation is short, costly.
Publication number is that the Chinese patent of CN202624028U discloses a kind of water purification car, adopts the technical process of " ceramic membrane+reverse osmosis ", can manufacture domestic water and tap water simultaneously.When manufacturing domestic water, former water, after microfiltration of ceramic membrane device filters, directly uses after activated charcoal filter, uv sterilisation; When manufacturing tap water, micro-filtration water outlet need use after activated charcoal filter, reverse osmosis membrane assembly, sterilization.What this technique well achieved domestic water and tap water is separated manufacture, but former water can affect film work-ing life without the direct micro-filtration of pre-treatment, and the regeneration issues of gac is not resolved.Publication number is that the Chinese patent of CN102633396A discloses a kind of portable disaster relief and to meet an urgent need water treating equipment, coagulation, more medium filter, activated charcoal filter, cartridge filter, reverse osmosis membrane assembly is utilized to desalinate, in same container body, be integrated with main desalination system and auxiliary desalination system productive life water and tap water, when still emergent water treatment can be realized without when externally fed simultaneously.The flco that this technique is formed is loose, and filtration unit floor space is large, and need shut down flushing, the cycle of operation is short.
Therefore the emergent water technology that simple to operate, treatment effect are stablized, processing efficiency is high of development of new and equipment have important strategic importance.
Summary of the invention
The object of the invention is to overcome the above-mentioned defect mentioned and deficiency, and a kind of mobile emergency water treatment based on multiple pollution type is provided.
Another object of the present invention is to provide a kind of mobile emergency water technology based on multiple pollution type.
The technical scheme that the present invention realizes the employing of its object is as follows.
Based on mobile emergency water treating equipment for multiple pollution type, comprise preliminary sedimentation bag connected successively, magnetic loads coagulation reactor, ultrafiltration module, reverse osmosis and nanofiltration module, sterilization module and product water bag;
Described magnetic loads coagulation reactor and is made up of medicine system, hybrid reaction system and magnetic recovery system; Described medicine system one end connects preliminary sedimentation bag, and the other end connects hybrid reaction system; Described hybrid reaction system comprises reaction box, perpendicular stream settler and intermediate water tank; Described perpendicular stream settler is connected with reaction box, intermediate water tank and magnetic recovery system; Described intermediate water tank connects ultrafiltration module; Described magnetic recovery system connects medicine system.
Described preliminary sedimentation bag is connected with and gets raw water tubes, arranges raw water tubes and enter raw water tubes; Described raw water tubes of getting is equipped with water pump and the first manual valve; Described row's raw water tubes is provided with the second manual valve; Described enter raw water tubes be connected with magnetic and load coagulation reactor and enter on raw water tubes to be provided with the 3rd manual valve and topping-up pump.
Described medicine system comprises magnetic blending bin connected successively, PAC blending bin, PAM blending bin; Described magnetic blending bin connects into raw water tubes; Described PAC blending bin connects PAC box; Described PAM blending bin connects PAM box;
Described hybrid reaction system comprises reaction box, perpendicular stream settler and intermediate water tank; Described reaction box entrance connects PAM blending bin, and outlet connects perpendicular stream settler; Described perpendicular stream settler comprises middle staving, outside staving, water inlet pipe, overflow weir and dividing plate; Described middle staving hollow forms storage chamber; Described outside staving is sheathed on middle staving outside and forms precipitation chamber; The middle staving of storage chamber and precipitation chamber is separated; Described water inlet pipe is arranged in outside staving and middle staving, and water inlet pipe outer end exposes to external barrel body formation water-in, and admission port is connected with reaction box, and water inlet pipe the inner is arranged in middle staving inside and forms water outlet; Described dividing plate is circular, and dividing plate outside is fixedly arranged on outside inner wall of barrel, and diaphragm internal is fixed with overflow weir; Described overflow weir upper surface indentation; Described overflow weir, dividing plate and outside staving are enclosed to form overflow groove; Described outside staving is equipped with the rising pipe be connected with overflow groove; Rising pipe is connected with intermediate water tank; Described middle staving bottom surface is provided with water eliminator; Settler in reverse frustoconic is set below water eliminator; Mud discharging mouth is offered below settler;
Described magnetic recovery system comprises sludge pump, mud pulverizer, separator; Described mud pulverizer side connects the mud discharging mouth of perpendicular stream settler by sludge pump, and opposite side connects separator; The outlet of described separator connects magnetic blending bin.
Described ultrafiltration module comprises one group of ultrafiltration part mutually arranged side by side;
Described ultrafiltration part comprises shell, film capping, film silk and pipe core; Described film capping is placed in enclosure, and shell inner cavity is separated out upper product water cavity and lower filtering chamber; Described film silk is placed in lower filtering chamber, and film silk two ends are fixed on film capping and are connected with upper product water cavity; Described pipe core is arranged in film capping, the concentrated water spout of upper end connected with outer casing, and lower end extends to lower filtering chamber, and lower end offers dense water inlet; Described cover top portion offers the concentrated water spout be communicated with pipe core, and top offers the product mouth of a river be communicated with upper product water cavity, and bottom offers the water-in be communicated with lower filtering chamber; Described ultrafiltration part concentrated water spout is connected with the dense water valve of ultrafiltration; Described ultrafiltration part produces the mouth of a river and is connected with high-pressure pump;
Described ultrafiltration part is also connected to washpipe; Described washpipe one end is connected by the water inlet of the first T-valve with ultrafiltration part, and the other end is connected with the product mouth of a river of ultrafiltration part by the second T-valve.
Described reverse osmosis and nanofiltration module are connected the product mouth of a river of ultrafiltration part by high-pressure pump.
Described sterilization module one end connects reverse osmosis and nanofiltration module, and the other end connects product water bag; Described product water bag is equipped with constant pressure water supply pump and water intaking end.
Based on a mobile emergency water technology for multiple pollution type, it is characterized in that, comprise the following steps:
Former water in step a. water intaking source is stand-by in preliminary sedimentation bag;
Raw water pump in preliminary sedimentation bag is entered magnetic and loads coagulation reactor by step b., and in medicine system, add powder, coagulating agent and coagulant aids coagulation; Former current precipitate after medicine system in perpendicular stream settler, then flow through intermediate water tank and pump into ultrafiltration module;
The former water of step c carries out uf processing through ultrafiltration module;
Steps d. former water carries out reverse osmosis and nanofiltration process through reverse osmosis and nanofiltration module;
The former water of step e. is through sterilization module germicidal treatment;
The former water of step f. flows into product water bag and deposits.
Further, in step b, described magnetic recovery system comprises sludge pump, mud pulverizer, separator; Described mud pulverizer side connects the mud discharging mouth of perpendicular stream settler by sludge pump, and opposite side connects separator; Described separator is made up of two-stage pulsed magnetic rotational flow strengthening formula separator arranged side by side; The outlet of described separator connects magnetic blending bin;
Former water precipitates in perpendicular stream settler, produces mud magnetic flco bottom perpendicular stream settler; Mud magnetic flco is squeezed in mud pulverizer through sludge pump, the high shear of mud pulverizer enters separator after being broken up by mud magnetic flco, in the outside of separator, pulsed magnetic generator is housed, when being energized, magnetic is separated with mud under high-speed rotational centrifugal force and magnetic field force, action of gravity, magnetic is back to magnetic blending bin from the bottom of separator, and mud is then discharged from top mud discharging mouth.
Further, in step c, described ultrafiltration module comprises one group of ultrafiltration part mutually arranged side by side; Described ultrafiltration part comprises shell, film capping, film silk and pipe core; Described film capping is placed in enclosure, and shell inner cavity is separated out upper product water cavity and lower filtering chamber; Described film silk is placed in lower filtering chamber, and film silk two ends are fixed on film capping and are connected with upper product water cavity; Described pipe core is arranged in film capping, the concentrated water spout of upper end connected with outer casing, and lower end extends to lower filtering chamber, and lower end offers dense water inlet; Described cover top portion offers the concentrated water spout be communicated with pipe core, and top offers the product mouth of a river be communicated with upper product water cavity, and bottom offers the water-in be communicated with lower filtering chamber; Described ultrafiltration part concentrated water spout is connected with the dense water valve of ultrafiltration; Described ultrafiltration part produces the mouth of a river and is connected with high-pressure pump; Regulate the dense water valve of ultrafiltration, ultrafiltration part cross-current type under 0.5-1.5Mpa transmembrane pressure is run;
Described ultrafiltration part is also connected to washpipe; Described washpipe one end is connected by the water inlet of the first T-valve with ultrafiltration part, and the other end is connected with the product mouth of a river of ultrafiltration part by the second T-valve;
System water carries out a backwash after often running 60-120min, backwash time 60s; Backwash adopts intermediate water tank water outlet, regulates the first T-valve and the second T-valve, intermediate water tank is connected with the product mouth of a river of ultrafiltration part by the first T-valve, washpipe and the second T-valve during backwash; Backwash water is produced the mouth of a river from ultrafiltration and is pumped into film silk inside by ultrafiltrate pump, and inside film silk, oppositely flow into film silk outside, the reverse conversion of pressure and the back scour of current make the pollution cake layer on film silk surface and adsorption layer come off.
Further, in step c, one in meeting the following conditions, operating pressure rising 1bar; Water production rate declines 25%; Transmembrane pressure exceedes limit value 0.12Mpa; Or when running 2 months, film silk need carry out matting: first carry out pickling to film silk, with the salt acid soak film silk 10-20min of 0.3%-1%, wash cycles 15-30min, pickling liquid carries out clear water after discharging, and to wash 10-20min to water outlet pH be 7, then adopt the chlorine bleach liquor of 0.1-0.7% sodium hydroxide and 0.2-0.5 ‰ to carry out alkali cleaning, soaks 10-20min, wash cycles 15-30min, till after discharging alkali lye, clear water is washed till water outlet pH=7.
Above-mentioned a kind of portable emergency water treating equipment and technique, novel, rational in infrastructure, achieve on-line cleaning, do not affect the continuous operation of equipment.Ultrafiltration is produced water adsorption module and is removed trace toxic organic pollutant and ammonia nitrogen etc., reaches Drinking Water water quality standard (GB5749-2006) through sterilization module water outlet, produces water and enters product water bag so that the later stage drinks and system backwash.
The present invention has the following advantages:
(1) multiple water condition is met: the ultrafiltration module of system configuration independent research and magnetic load coagulation reactor, under different micro polluted source condition, by technical arrangement plan, can reach Drinking Water water quality requirement;
(2) antipollution ultrafiltration module is adopted, former water direct ultra-filtration, simplification of flowsheet, simple to operate;
(3) modular design, is easy to carry, and assembling fast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of perpendicular stream settler;
Fig. 3 is the sectional view in B-B face in Fig. 2;
Fig. 4 is the perspective view of perpendicular stream settler;
Fig. 5 is the sectional view of ultrafiltration part;
In figure:
Preliminary sedimentation bag 100, get raw water tubes 110, water pump 111, first manual valve 112, row's raw water tubes 120, second manual valve 121, enter raw water tubes 130, the 3rd manual valve 131, topping-up pump 132,
Magnetic load coagulation reactor 200, magnetic blending bin 201, PAC blending bin 202, PAM blending bin 203, reaction box 204, perpendicular stream settler 205, water inlet pipe 205a, outside staving 205b, middle staving 205c, overflow weir 205d, dividing plate 205e, rising pipe 205f, water eliminator 205g, settler 205h, mud discharging mouth 205i, overflow groove 205j, intermediate water tank 206, PAM box 207, PAC box 208, sludge pump 209, mud pulverizer 210, separator 211,
Ultrafiltration module 300, ultrafiltrate pump 301, self-cleaning filter 302, ultrafiltration part 303, shell 303a, film capping 303b, film silk 303c, pipe core 303d, the dense water valve 304 of ultrafiltration, washpipe 305, first T-valve 306, second T-valve 307, high-pressure pump 308, first produce water backwash pipe the 309, the 3rd T-valve 310, second produce water backwash pipe the 311, the 4th T-valve 312,
Reverse osmosis and nanofiltration module 400,
Sterilization module 500,
Produce water bag 600, constant pressure water supply pump 601, water intaking end 602.
Embodiment
Now in conjunction with Figure of description, describe the specific embodiment of the present invention in detail.
A kind of portable emergency water treating equipment, have employed modular design, comprise preliminary sedimentation bag 100 connected successively, magnetic loading coagulation reactor 200, ultrafiltration module 300, reverse osmosis and nanofiltration module 400, sterilization module 500 and produce water bag 600.
Described preliminary sedimentation bag 100 is connected with to be got raw water tubes 110, row's raw water tubes 120 and enters raw water tubes 130.Described raw water tubes 110 of getting is equipped with water pump 111 and the first manual valve 112.Described row's raw water tubes 120 is provided with the second manual valve 121.Described enter raw water tubes 130 be connected with magnetic and load coagulation reactor 200 and enter on raw water tubes 130 to be provided with the 3rd manual valve 131 and topping-up pump 132.
The opening and closing of getting raw water tubes 110, row's raw water tubes 120 and entering raw water tubes 130 is controlled respectively by the first manual valve 112, second manual valve 121, the 3rd manual valve 131.Open the first manual valve 112, outside former water is flowed through by water pump 111 and gets raw water tubes 110 and inject preliminary sedimentation bag 100, and the former water in preliminary sedimentation bag 100 passes through to flow into magnetic into raw water tubes 130 and loads coagulation reactor 200.Open the second manual valve 121, the dense water in preliminary sedimentation bag 100 or remaining current are through the outer row of row's raw water tubes 120.
Described magnetic loads coagulation reactor 200 and is made up of medicine system, hybrid reaction system and magnetic recovery system.
Described medicine system, mainly in order to add flocculation agent and coagulant aids, comprises magnetic blending bin 201 connected successively, PAC blending bin 202, PAM blending bin 203.Described magnetic blending bin 201 connects into raw water tubes 130, adds magnetic 75-500mg/L in order to inside.Described PAC blending bin 202 connects PAC box 208, adds PAC10-50mg/L in order to inside.Described PAM blending bin 203 connects PAM box 207, adds PAM0.1%-1% in order to inside.
Described hybrid reaction system comprises reaction box 204, perpendicular stream settler 205 and intermediate water tank 206.
Described reaction box 204 entrance connects PAM blending bin 203, and outlet connects perpendicular stream settler 205.Because the proportion of magnetic is up to 5.0 × 10
3kg/m3 is approximately the twice of sand, and the flco proportion being mixed with magnetic increases, and flco rapid subsidence, speed can reach more than 20m/h, and whole water treatment can complete at about 10min from inlet water to outlet water, is more than 1/10 of traditional coagulating sedimentation time.
Described perpendicular stream settler 205 comprises middle staving 205c, outside staving 205b, water inlet pipe 205a, overflow weir 205d and dividing plate 205e.Described middle staving 205c hollow forms storage chamber.Described outside staving 205b is sheathed on middle staving 205c outside and forms precipitation chamber.Storage chamber and the precipitation middle staving 205c in chamber separate.Described water inlet pipe 205a is arranged in outside staving 205b and middle staving 205c, and water inlet pipe 205a outer end exposes to outside staving 205b formation water-in, admission port is connected with reaction box 204, and water inlet pipe 205a the inner is arranged in middle staving 205c inside and forms water outlet.Described dividing plate 205e is circular, and dividing plate 205e outside is fixedly arranged on outside staving 205b inwall, and dividing plate 205e inside is fixed with overflow weir 205d.Described overflow weir 205d upper surface indentation.Described overflow weir 205d, dividing plate 205e and outside staving 205b are enclosed to form overflow groove 205j.Described outside staving 205b is equipped with the rising pipe 205f be connected with overflow groove 205j.Rising pipe 205f is connected with intermediate water tank 206.Described middle staving 205c bottom surface is provided with water eliminator 205g.Settler 205h in reverse frustoconic is set below water eliminator 205g.Mud discharging mouth 205i is offered below settler 205h.
The water outlet of reaction box 204, flow into perpendicular stream settler 205, surface load is 10-20 times of common coagulating sedimentation, can reach 10-20m
3/ (m
2* h).Water inlet enters from water inlet pipe 205a water-in, staving 205c in the middle of water inlet pipe 205a water outlet flows into, after water eliminator 205g water distribution, magnetic flco is precipitated to settler 205h, supernatant liquor flows in overflow groove 205j through triangle overflow weir 205d, then flows into intermediate water tank 206 via rising pipe 205f.
Described intermediate water tank 206 connects ultrafiltration module 300.
Described magnetic recovery system comprises sludge pump 209, mud pulverizer 210 and separator 211.Described mud pulverizer 210 side connects the mud discharging mouth 205i of perpendicular stream settler 205 by sludge pump 209, and opposite side connects separator 211.As preferably, described separator 211 is made up of two-stage pulsed magnetic rotational flow strengthening formula separator arranged side by side.The outlet of described separator 211 connects magnetic blending bin 201.
Mud flco bottom perpendicular stream settler 205 is squeezed in mud pulverizer 210 through sludge pump 209, high shear enters separator 211 after being broken up by magnetic flco, in the outside of separator 211, pulsed magnetic generator is housed, when being energized, magnetic is separated with mud under high-speed rotational centrifugal force and magnetic field force, action of gravity, magnetic is back to magnetic blending bin 201 from the bottom of separator 211, mud is then discharged from the top mud discharging mouth of separator 211, realize being separated of magnetic and mud, the magnetic rate of recovery can reach 99%.At this, the solid matter of macromolecular organism and suspension and the heavy metal of some trace are all removed.
Described intermediate water tank 206 is connected ultrafiltration module 300 by ultrafiltrate pump 301 with self-cleaning filter 302.Described ultrafiltration module 300 comprises one group of ultrafiltration part 303 mutually arranged side by side.
Described ultrafiltration part 303 comprises shell 303a, film capping 303b, film silk 303c and pipe core 303d.It is inner that described film capping 303b is placed in shell 303a, and shell 303a inner chamber is separated out upper product water cavity and lower filtering chamber.Described film silk 303c is placed in lower filtering chamber, and film silk 303c is fixed on film capping 303b in two ends and is connected with upper product water cavity.Described pipe core 303d is arranged in film capping 303b, the concentrated water spout of upper end connected with outer casing 303a, and lower end extends to lower filtering chamber, and lower end offers dense water inlet.Described shell 303a top offers the concentrated water spout be communicated with pipe core 303d, and top offers the product mouth of a river be communicated with upper product water cavity, and bottom offers the water-in be communicated with lower filtering chamber.Described ultrafiltration part 303 concentrated water spout is connected with the dense water valve 304 of ultrafiltration.Described ultrafiltration part 303 produces the mouth of a river and is connected with high-pressure pump 308.
Regulate the dense water valve 304 of ultrafiltration, ultrafiltration part 303 cross-current type under 0.5-1.5Mpa transmembrane pressure is run, and film silk 303c is enhancement type PVDF material, and assembly is detachable, can adapt to all kinds of micro-polluted water.Film silk 303c adopts U-shaped structure.Ultrafiltration part 303 realizes air water and combines flushing, significantly improves antifouling property, and not easily causes dirty stifled, can remove the pollutents such as the particle of film silk 303c periphery, colloid, bacterium, be suitable for the process of for emergency use ultra.
Described ultrafiltration part 303 convenient disassembly, membrane flux is large, and it is good that anti-soil blocks up performance; Good in oxidation resistance, long service life; Can realize continuous spoil disposal and water outlet, turbidity, chromaticity index in main reduction waste water, remove part organic substance.
Described ultrafiltration part 303 is also connected to washpipe 305.Described washpipe 305 one end is connected with the water-in of ultrafiltration part 303 by the first T-valve 306, and the other end is connected with the product mouth of a river of ultrafiltration part 303 by the second T-valve 307.
System water carries out a backwash after often running 60-120min, backwash time 60s.Backwash adopts intermediate water tank 206 water outlet, regulates the first T-valve 306 and the second T-valve 307, intermediate water tank 206 is connected with the product mouth of a river of ultrafiltration part 303 with the second T-valve 307 by the first T-valve 306, washpipe 305 during backwash.Backwash water is produced the mouth of a river from ultrafiltration and is pumped into film silk 303c inside by ultrafiltrate pump 301, film silk 303c is oppositely flowed into outside inside film silk 303c, the reverse conversion of pressure and the back scour of current make the pollution cake layer on film silk 303c surface and adsorption layer come off, and alleviate film silk 303c surface contamination.
Backwash also can adopt produces water bag 600 water outlet.Ultrafiltration module 300 also comprises the first product water backwash pipe the 309, the 3rd T-valve 310, second and produces water backwash pipe 311 and the 4th T-valve 312.Described first produces water backwash pipe 309 one end is connected to product water bag 600, and the other end is connected to the 3rd T-valve 310; Described 3rd T-valve 310 is arranged between intermediate water tank 206 and ultrafiltrate pump 301.When the 3rd T-valve 310 is communicated with the first product water backwash pipe 309 and ultrafiltrate pump 301, the water producing water bag 600 flows into ultrafiltration part 303 and produces the mouth of a river respectively by the first product water backwash pipe the 309, the 3rd T-valve 310, ultrafiltrate pump 301, self-cleaning filter 302, first T-valve 306, washpipe 305, second T-valve 307, thus carry out backwash operation to ultrafiltration part 303.
When producing the water in water bag 600 and not needing to filter, also directly can produce water backwash pipe 311 by second and carry out backwash.Described second produces water backwash pipe 311 one end connects product water bag 600, and the other end is connected to the 4th T-valve 312; Described 4th T-valve 312 is arranged between the second T-valve 307 and high-pressure pump 308.Produce water bag 600 and the second T-valve 307 when the 4th T-valve 312 is communicated with, the current producing water bag 600 flow into ultrafiltration part 303 and produce the mouth of a river after the second product water backwash pipe the 311, the 4th T-valve 312, second T-valve 307, thus carry out backwash operation to ultrafiltration part 303.
Backwash can slow down the pollution of film silk 303c to a certain extent, but can not eliminate completely.One in meeting the following conditions, operating pressure rising 1bar; Water production rate declines 25%; Transmembrane pressure exceedes limit value 0.12Mpa; Or when running 2 months, need matting be carried out.First pickling is carried out, the salt acid soak 10-20min of 0.3%-1%, wash cycles 15-30min, pickling liquid carries out clear water after discharging, and to wash 10-20min to water outlet pH be 7, the chlorine bleach liquor of 0.1-0.7% sodium hydroxide and 0.2-0.5 ‰ is adopted to carry out alkali cleaning again, soak 10-20min, wash cycles 15-30min, till clear water is washed till water outlet pH=7 after discharging alkali lye.
Described reverse osmosis and nanofiltration module 400 are connected the product mouth of a river of ultrafiltration part 303 by high-pressure pump 308.Reverse osmosis is segmentation structure, and the dense water of one section of reverse osmosis enters two sections of reverse osmosiss, by that analogy.Described reverse osmosis and nanofiltration module 400 are mainly used in removing COD, zwitterion and trace toxic organic compound in water, reduce the indexs such as specific conductivity, hardness, colourity, obtain high-quality volume production water.
Described sterilization module 500 adopts ultra-violet sterilization, and one end connects reverse osmosis and nanofiltration module 400, and the other end connects product water bag 600.
Through the product water of reverse osmosis and the process of nanofiltration module 400 Integrated Films, then after sterilization module 500 sterilization, be stored in and produce in water bag 600, for drinking.Produce water bag 600 li alternative input sterilizing agent to carry out disinfection.Produce water bag 600 and be equipped with constant pressure water supply pump 601 and water intaking end 602, to stablize constant pressure water supply.
First Raw Drinking Water is pumped to magnetic and loads coagulation reactor 200, in reactor, with the magnetic added, coagulating agent and coagulant aids coagulation, in perpendicular stream settling vessel 205 after precipitation, magnetic in mud is added to magnetic and loads in coagulation reactor 200 after breaing up recovery by separator 211, reactor water outlet enters ultrafiltration module 300 through pump, and dense water is arranged outward, ultrafiltration is produced water and is put into after reverse osmosis and nanofiltration module 400, sterilization module 500 and produce water bag 600, as Drinking water supply.
Application examples 1:
Adopt the treatment facility of the present embodiment to carry out emergent water treatment test, intake as ultra.Raw water turbidity 14.5NTU, COD
mnunder 17.6mg/L condition, add magnetic 10mg/L magnetic and load delivery turbidity 2NTU, remove 85.71%, COD
mn9.98mg/L, clearance 43.3%.Delivery turbidity 0.02NTU, COD after ultrafiltration, reverse osmosis, ultraviolet-sterilization
mn0.45mg/L, total coli group does not detect, total number of bacterial colony 42CFU/mL, meets national drinking water standard.
Application examples 2:
Adopt the treatment facility of the present embodiment to carry out emergent water treatment test, intake as ultra.Under raw water turbidity 125NTU condition, add magnetic 10mg/L magnetic and load delivery turbidity 11NTU, remove 91.2%, UV
254drop to 0.088 from 0.593, remove 85.16%.Delivery turbidity 0.02NTU after ultrafiltration, reverse osmosis, ultraviolet-sterilization, total coli group does not detect, total number of bacterial colony 43CFU/mL, meets national drinking water standard.
Application examples 3:
Adopt the treatment facility of the present embodiment to carry out emergent water treatment test, intake as ultra.
Under raw water turbidity 528NTU condition, add magnetic 10mg/L magnetic and load delivery turbidity 13NTU, remove 97.54%, UV
254drop to 0.146 from 1.708, remove 91.45%.Delivery turbidity 0.03NTU after ultrafiltration, reverse osmosis, ultraviolet-sterilization, total coli group does not detect, total number of bacterial colony 53CFU/mL, meets national drinking water standard.
Application examples 4:
Adopt the treatment facility of the present embodiment to carry out emergent water treatment test, intake as ultra.Under raw water turbidity 975NTU condition, add magnetic 10mg/L magnetic and load delivery turbidity 12.5NTU, remove 98.72%.Delivery turbidity 0.05NTU after ultrafiltration, reverse osmosis, ultraviolet-sterilization, total coli group does not detect, total number of bacterial colony 45CFU/mL, meets national drinking water standard.
Application examples 5:
Adopt the treatment facility of the present embodiment to carry out emergent water treatment test, intake as ultra.Under raw water turbidity 3060NTU condition, add magnetic 10mg/L magnetic and load delivery turbidity 48.5NTU, remove 98.42%.Delivery turbidity 0.06NTU after ultrafiltration, reverse osmosis, ultraviolet-sterilization, total coli group does not detect, total number of bacterial colony 33CFU/mL, meets national drinking water standard.
The present invention is illustrated according to embodiment, and under the prerequisite not departing from present principles, this device can also make some distortion and improvement.It should be pointed out that and all drop on the technical scheme that all employings are equal to replacement or the mode such as equivalent transformation and obtain in protection scope of the present invention.
Claims (10)
1. the mobile emergency water treating equipment based on multiple pollution type, it is characterized in that, comprise preliminary sedimentation bag (100) connected successively, magnetic loading coagulation reactor (200), ultrafiltration module (300), reverse osmosis and nanofiltration module (400), sterilization module (500) and produce water bag (600);
Described magnetic loads coagulation reactor (200) and is made up of medicine system, hybrid reaction system and magnetic recovery system; Described medicine system one end connects preliminary sedimentation bag (100), and the other end connects hybrid reaction system; Described hybrid reaction system comprises reaction box (204), perpendicular stream settler (205) and intermediate water tank (206); Described perpendicular stream settler (205) is connected with reaction box (204), intermediate water tank (206) and magnetic recovery system; Described intermediate water tank (206) connects ultrafiltration module (300); Described magnetic recovery system connects medicine system.
2. a kind of mobile emergency water treating equipment based on multiple pollution type as claimed in claim 1, is characterized in that, described preliminary sedimentation bag (100) is connected with gets raw water tubes (110), row's raw water tubes (120) and enters raw water tubes (130); Described raw water tubes (110) of getting is equipped with water pump (111) and the first manual valve (112); Described row's raw water tubes (120) is provided with the second manual valve (121); Described enter raw water tubes (130) be connected with magnetic and load coagulation reactor (200) and enter on raw water tubes (130) to be provided with the 3rd manual valve (131) and topping-up pump (132).
3. a kind of mobile emergency water treating equipment based on multiple pollution type as claimed in claim 2, is characterized in that,
Described medicine system comprises magnetic blending bin (201) connected successively, PAC blending bin (202), PAM blending bin (203); Described magnetic blending bin (201) connects into raw water tubes (130); Described PAC blending bin (202) connects PAC box (208); Described PAM blending bin (203) connects PAM box (207);
Described hybrid reaction system comprises reaction box (204), perpendicular stream settler (205) and intermediate water tank (206); Described reaction box (204) entrance connects PAM blending bin (203), and outlet connects perpendicular stream settler (205); Described perpendicular stream settler (205) comprises middle staving (205c), outside staving (205b), water inlet pipe (205a), overflow weir (205d) and dividing plate (205e); Described middle staving (205c) hollow forms storage chamber; Described outside staving (205b) is sheathed on middle staving (205c) outside and forms precipitation chamber; Storage chamber and precipitation chamber middle staving (205c) are separated; Described water inlet pipe (205a) is arranged in outside staving (205b) and middle staving (205c), and water inlet pipe (205a) outer end exposes to outside staving (205b) forms water-in, admission port is connected with reaction box (204), and water inlet pipe (205a) the inner is arranged in middle staving (205c) inside and forms water outlet; Described dividing plate (205e) is in circular, and dividing plate (205e) outside is fixedly arranged on outside staving (205b) inwall, and dividing plate (205e) inside is fixed with overflow weir (205d); Described overflow weir (205d) upper surface indentation; Described overflow weir (205d), dividing plate (205e) and outside staving (205b) are enclosed to form overflow groove (205j); Described outside staving (205b) is equipped with the rising pipe (205f) be connected with overflow groove (205j); Rising pipe (205f) is connected with intermediate water tank (206); Described middle staving (205c) bottom surface is provided with water eliminator (205g); Water eliminator (205g) below arranges the settler (205h) in reverse frustoconic; Settler (205h) below offers mud discharging mouth (205i);
Described magnetic recovery system comprises sludge pump (209), mud pulverizer (210), separator (211); Described mud pulverizer (210) side connects the mud discharging mouth (205i) of perpendicular stream settler (205) by sludge pump (209), and opposite side connects separator (211); The outlet of described separator (211) connects magnetic blending bin (201).
4. a kind of mobile emergency water treating equipment based on multiple pollution type as described in claim 1 or 3, is characterized in that,
Described ultrafiltration module (300) comprises one group of ultrafiltration part (303) mutually arranged side by side;
Described ultrafiltration part (303) comprises shell (303a), film capping (303b), film silk (303c) and pipe core (303d); It is inner that described film capping (303b) is placed in shell (303a), and shell (303a) inner chamber is separated out upper product water cavity and lower filtering chamber; Described film silk (303c) is placed in lower filtering chamber, and film silk (303c) two ends are fixed on film capping (303b) and are connected with upper product water cavity; Described pipe core (303d) is arranged in film capping (303b), the concentrated water spout of upper end connected with outer casing (303a), and lower end extends to lower filtering chamber, and lower end offers dense water inlet; Described shell (303a) top offers the concentrated water spout be communicated with pipe core (303d), and top offers the product mouth of a river be communicated with upper product water cavity, and bottom offers the water-in be communicated with lower filtering chamber; Described ultrafiltration part (303) concentrated water spout is connected with the dense water valve of ultrafiltration (304); Described ultrafiltration part (303) is produced the mouth of a river and is connected with high-pressure pump (308);
Described ultrafiltration part (303) is also connected to washpipe (305); Described washpipe (305) one end is connected with the water inlet of ultrafiltration part (303) by the first T-valve (306), and the other end is connected with the product mouth of a river of ultrafiltration part (303) by the second T-valve (307).
5. a kind of mobile emergency water treating equipment based on multiple pollution type as claimed in claim 4, it is characterized in that, described reverse osmosis and nanofiltration module (400) are connected the product mouth of a river of ultrafiltration part (303) by high-pressure pump (308).
6. a kind of mobile emergency water treating equipment based on multiple pollution type as claimed in claim 1, is characterized in that, described sterilization module (500) one end connects reverse osmosis and nanofiltration module (400), and the other end connects and produces water bag (600); Described product water bag (600) is equipped with constant pressure water supply pump (601) and water intaking end (602).
7. adopt as claimed in claim 1 based on a mobile emergency water technology for multiple pollution type, it is characterized in that, comprise the following steps:
Former water in step a. water intaking source is stand-by in preliminary sedimentation bag (100);
Raw water pump in preliminary sedimentation bag (100) is entered magnetic and loads coagulation reactor (200) by step b., and in medicine system, add powder, coagulating agent and coagulant aids coagulation; Former current precipitate after medicine system in perpendicular stream settler (205), then flow through intermediate water tank (206) and pump into ultrafiltration module (300);
The former water of step c carries out uf processing through ultrafiltration module (300);
Steps d. former water carries out reverse osmosis and nanofiltration process through reverse osmosis and nanofiltration module (400);
The former water of step e. is through sterilization module (500) germicidal treatment;
The former water of step f. flows into product water bag (600) and deposits.
8. a kind of mobile emergency water technology based on multiple pollution type as claimed in claim 7, it is characterized in that, in step b, described magnetic recovery system comprises sludge pump (209), mud pulverizer (210), separator (211); Described mud pulverizer (210) side connects the mud discharging mouth (205i) of perpendicular stream settler (205) by sludge pump (209), and opposite side connects separator (211); Described separator (211) is made up of two-stage pulsed magnetic rotational flow strengthening formula separator arranged side by side; The outlet of described separator (211) connects magnetic blending bin (201);
Former water precipitates in perpendicular stream settler (205), and perpendicular stream settler (205) bottom produces mud magnetic flco; Mud magnetic flco is squeezed in mud pulverizer (210) through sludge pump (209), the high shear of mud pulverizer (210) enters separator (211) after being broken up by mud magnetic flco, in the outside of separator (211), pulsed magnetic generator is housed, when being energized, magnetic is separated with mud under high-speed rotational centrifugal force and magnetic field force, action of gravity, magnetic is back to magnetic blending bin (201) from the bottom of separator (211), and mud is then discharged from top mud discharging mouth.
9. a kind of mobile emergency water technology based on multiple pollution type as claimed in claim 7, it is characterized in that, in step c, described ultrafiltration module (300) comprises one group of ultrafiltration part (303) mutually arranged side by side; Described ultrafiltration part (303) comprises shell (303a), film capping (303b), film silk (303c) and pipe core (303d); It is inner that described film capping (303b) is placed in shell (303a), and shell (303a) inner chamber is separated out upper product water cavity and lower filtering chamber; Described film silk (303c) is placed in lower filtering chamber, and film silk (303c) two ends are fixed on film capping (303b) and are connected with upper product water cavity; Described pipe core (303d) is arranged in film capping (303b), the concentrated water spout of upper end connected with outer casing (303a), and lower end extends to lower filtering chamber, and lower end offers dense water inlet; Described shell (303a) top offers the concentrated water spout be communicated with pipe core (303d), and top offers the product mouth of a river be communicated with upper product water cavity, and bottom offers the water-in be communicated with lower filtering chamber; Described ultrafiltration part (303) concentrated water spout is connected with the dense water valve of ultrafiltration (304); Described ultrafiltration part (303) is produced the mouth of a river and is connected with high-pressure pump (308); Regulate the dense water valve of ultrafiltration (304), ultrafiltration part (303) cross-current type under 0.5-1.5Mpa transmembrane pressure is run;
Described ultrafiltration part (303) is also connected to washpipe (305); Described washpipe (305) one end is connected with the water inlet of ultrafiltration part (303) by the first T-valve (306), and the other end is connected with the product mouth of a river of ultrafiltration part (303) by the second T-valve (307);
System water carries out a backwash after often running 60-120min, backwash time 60s; Backwash adopts intermediate water tank (206) water outlet, regulate the first T-valve (306) and the second T-valve (307) during backwash, intermediate water tank (206) is connected with the product mouth of a river of the second T-valve (307) with ultrafiltration part (303) by the first T-valve (306), washpipe (305); Backwash water is produced the mouth of a river from ultrafiltration and is pumped into film silk (303c) inside by ultrafiltrate pump (301), oppositely flow into film silk (303c) from film silk (303c) inner side outside, the reverse conversion of pressure and the back scour of current make the pollution cake layer on film silk (303c) surface and adsorption layer come off.
10. a kind of mobile emergency water technology based on multiple pollution type as claimed in claim 9, is characterized in that, in step c, and one in meeting the following conditions, operating pressure rising 1bar; Water production rate declines 25%; Transmembrane pressure exceedes limit value 0.12Mpa; Or when running 2 months, film silk (303c) need carry out matting: first carry out pickling to film silk (303c), with salt acid soak film silk (303c) 10-20min of 0.3%-1%, wash cycles 15-30min, pickling liquid carries out clear water after discharging, and to wash 10-20min to water outlet pH be 7, then adopt the chlorine bleach liquor of 0.1-0.7% sodium hydroxide and 0.2-0.5 ‰ to carry out alkali cleaning, soaks 10-20min, wash cycles 15-30min, till after discharging alkali lye, clear water is washed till water outlet pH=7.
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| CN113620480B (en) * | 2021-10-12 | 2021-12-24 | 江苏林康高新技术有限公司 | Industrial sewage treatment device with self-cleaning function |
| CN114702190A (en) * | 2022-04-13 | 2022-07-05 | 昆明理工大学 | Device for co-processing high-arsenic high-fluorine lead-zinc tailing wastewater |
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| CN105060603B (en) | 2018-04-20 |
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Denomination of invention: A mobile emergency water treatment equipment and its process based on multiple types of pollution Granted publication date: 20180420 Pledgee: Bank of Beijing Co.,Ltd. Hangzhou Yuhang sub branch Pledgor: CHIMEY ENVIRONMENT SCIENCE & TECHNNOLOGY CO.,LTD. Registration number: Y2024980007116 |