CN107129066B - A kind of portable water purifier and its water purification, backwash and replacement method - Google Patents

A kind of portable water purifier and its water purification, backwash and replacement method Download PDF

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Publication number
CN107129066B
CN107129066B CN201710581055.XA CN201710581055A CN107129066B CN 107129066 B CN107129066 B CN 107129066B CN 201710581055 A CN201710581055 A CN 201710581055A CN 107129066 B CN107129066 B CN 107129066B
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water
filler
filling tube
studs
tube
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CN107129066A (en
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丁丽丽
黄道端
任洪强
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Nanjing University
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Nanjing University
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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
    • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
    • 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
    • C02F1/002—Processes for the treatment of water whereby the filtration technique is of importance using small portable filters for producing potable water, e.g. personal travel or emergency equipment, survival kits, combat gear
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/206—Manganese or manganese compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/306—Pesticides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/004—Seals, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

A kind of portable water purifier of the present invention and its water purification, backwash and replacement method, belong to drinking water treatment field.The portable water purifier includes draw water part and filtration fraction；Drawing water partially includes flooding tube, and the lower end of flooding tube has internal screw thread；Filtration fraction includes the filling tube of both ends open, and a studs, the screw-internal thread fit of one of studs and flooding tube are respectively installed in the both ends of filling tube, and the connection of another studs has the tail-hood of water outlet.The structure of water purifier optimization filling tube of the present invention can backwash filler under the premise of meeting water purification requirement, reduce replacement frequency, extend filler and use the time, improve filler utilization rate, and replacement is more easier.The process for purifying water can be by sewage purification to drinking water standard using water purifier；The back-flushing method can realize the flushing to water purifier filler, and extend filler uses the time；The replacement method can be simple and quick replacement filler.

Description

A kind of portable water purifier and its water purification, backwash and replacement method
Technical field
The invention belongs to water purifier technical fields, are related to one kind and are convenient for carrying, and filtrate Reusability and can be convenient for changing Water purifier, more specifically to a kind of portable water purifier and its water purification, backwash and replacement method.
Background technique
It in underground mining, camps, in the activity such as outdoor travel, individual combat, people need to take effectively to drink enough Water-rock reactions measure.If directly carrying drinking water, trip burden can be aggravated, mode more commonly used at present is using outdoor net Hydrophone is directly drunk after purifying to open water supply.Outdoor water purifier is exactly with natural waters such as stream, river water, lake water, rainwater The pathogenic bacteria in water are filtered out or killed, safe drinking water is obtained by filtering or sterilizing as water source.Outdoor water purifier makes Used time only needs manpower can be at any time by outdoor natural water purifying at sterile, can directly drink without harmful substances such as suspended contaminants With.
Most important outdoor water purifier is exactly its portability and effective purifying water effect.It is common net on the market at present Hydrophone is mostly household water filter, bulky and power supply is needed to drive water pump, and water pump passes water through multistage filtering layer, realizes high-precision Filtering, household water-purifying machine purifying water effect is good but not readily portable, for outdoor using obviously unrealistic；And go out on the market at present Existing portable water purifier generallys use microfiltration membranes+active carbon purifying water, and pollutant can be accumulated in water purifier after long-time service, It easily causes the blocking of water purifier while bringing potential secondary pollution risk, since its structure limits, filler can not be replaced, and filler reaches To after the service life end, entire water purifier just can not be continued to use, and substantially increase water purification cost.For example, Chinese patent application Number are as follows: 201220092919.4, publication date are as follows: the patent document on October 3rd, 2012 discloses a kind of portable water purifier, It includes shell, bailing pipe and pure water pipe, and the bailing pipe and pure water pipe are mounted in shell, is formed in the bailing pipe The top of one water sucting cavity, the water sucting cavity is equipped with a pump-up device, and the lower part of the water sucting cavity, which is connected with, to be protruded into plastic bottle Water-absorbable plastic pipe is embedded with the check valve for flowing into the water in plastic bottle in water sucting cavity in the water-absorbable plastic pipe；It is described to draw water It is connected between pipe and pure water pipe by water purification plastic tube, one end of the water purification plastic tube is connected to the side wall of water sucting cavity, the other end It is connected to the upper end of pure water pipe, and is embedded with the check valve for making the water in water sucting cavity flow into pure water pipe in water purification plastic tube；It is described It is equipped with three layer filtration layer in pure water pipe, is followed successively by active carbon layer, sulfurous acid calcium layer and ultrafiltration film layer from top to bottom.The water purification Device can remove stink, pigment in water by active carbon layer, sulfurous acid calcium layer and the ultrafiltration film layer in pure water pipe, can retain Macromolecular substances and impurity between 0.002-0.1 microns etc., purify water, but its filler is difficult to replace, Zhi Nengyi Secondary use, it is contaminated using rear filler for a long time, it is easy blocking water purifier, causes secondary pollution, water purifier will be unable to continue to make With.
Certainly, the design in terms of being convenient for changing filter element of water purifier has relevant design, such as Chinese Patent Application No. are as follows: 201610797171.0, publication date are as follows: the patent document on December 7th, 2016 discloses a kind of water purification for being convenient for changing filter core Device, including main body, filter cylinder, filter core bracket and extruded activated carbon, the main body left side are equipped with water inlet pipe, the main body front surface Left side is equipped with fixed strip, and the main body is connected by hinge with control door, and is controlled surface in front of the door and be equipped with handle, the filter Core support is connected by fixing seat with nut, and circulation pipe is equipped with above the filter cylinder, and the dirty pipe of pumping is equipped with below the filter cylinder, The cartridge interior is equipped with PP cotton, and extruded activated carbon is equipped on the right side of PP cotton, is equipped on the right side of the extruded activated carbon anti- Permeable membrane.The program controls surface in front of the door and is provided with lockhole by being equipped with control door, opens control door with regard to replaceable cartridge , the trouble of the water purifier replacement filter core of tradition replacement filter core can be overcome, convenient for users to replacing filter core, but such structural body Product is more huge, and structure is also relative complex, is not appropriate for outdoor carrying.
In addition, can not be cleaned after current water purifier filler pollution, filler utilization rate is low, and use cost is high；Moreover, Heavy metal in water can not be removed effectively, drinking water standard is not achieved in water quality, is further improved.
Summary of the invention
1, it to solve the problems, such as
It is low for the water purifier filler utilization rate of existing portable, inconvenient problem is replaced, the present invention provides one kind just Take formula water purifier and its water purification, backwash and replacement method.Wherein, the structure of water purifier optimization filling tube, is meeting Under the premise of water purification requires, filler can be backwashed, reduce replacement frequency, extended filler and use the time, raising is filled out Expect utilization rate, and replacement is more easier.It can be by sewage purification to drinking water using water purifier using the process for purifying water Standard；Flushing to water purifier filler can be realized using the back-flushing method, extend filler uses the time；More using the filler The method of changing can be simple and quick replacement filler.
2, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of portable water purifier, including draw water part and filtration fraction, the part that draws water is for drawing water and injecting water into It filters in part, filtration fraction is used to filter the water injected from the part that draws water；The part that draws water includes flooding tube, flooding tube Lower end has internal screw thread；The filtration fraction includes the filling tube of both ends open, and the both ends of filling tube respectively connect a double end Stud, the screw-internal thread fit of one of studs and flooding tube, the connection of another studs have the tail-hood of water outlet.
As a further improvement, one end in the filling tube is equipped with filter screen.
As a further improvement, the filling tube is provided with filler；It installs one end in the filling tube far from filter screen Hyperfiltration membrane assembly, hyperfiltration membrane assembly are covered with isolating cylinder, filler are completely cut off in the outside of isolating cylinder, the sidewall bottom of isolating cylinder is opened If limbers.
As a further improvement, the hyperfiltration membrane assembly includes connector and the ultrafiltration membrane that is mounted on connector；It is described Studs is equipped with slot, and connector is mounted in slot, and is sealed by a seal ring.
As a further improvement, piston is arranged in the flooding tube；The lower part of flooding tube side wall is equipped with one-way water inlet valve, uses In water suction；Lower end in flooding tube is equipped with one-way water outlet valve, for water in flooding tube to be passed through in filling tube.
As a further improvement, the piston connects handle by push-pull rod.
A kind of process for purifying water of above-mentioned portable water purifier, comprising the following steps:
1. the screw-internal thread fit of the studs of the filling tube one end for installing filter screen and flooding tube is connected, filling tube is another The studs of one end is connect with tail-hood；
2. one-way water inlet valve to be accessed to water to be clean by pipeline；
3. pulling upwardly on piston, water to be clean is sucked by one-way water inlet valve, then pushes down on piston, it is to be clean Water enters filling tube by one-way water outlet valve；
4. entering the water to be clean of filling tube successively after the purification of filter screen, filler and ultrafiltration membrance filter from the water outlet of tail-hood Mouth discharge.
A kind of back-flushing method of above-mentioned portable water purifier, comprising the following steps:
1. the screw-internal thread fit of the studs of the filling tube one end for installing hyperfiltration membrane assembly and flooding tube is connected, filler The studs of the cylinder other end is connect with tail-hood；
2. passing through the water that pipeline is clean by one-way water inlet valve access；
3. pulling upwardly on piston, by the water that one-way water inlet valve sucking is clean, piston is then pushed down on, clean water is logical It crosses one-way water outlet valve and enters filling tube；
4. after the clean water for entering filling tube is rinsed ultrafiltration membrane and filler, backwashing water is arranged from the water outlet of tail-hood Out.
The replacement method of above-mentioned a kind of portable water purifier, comprising the following steps: first by studs from water inlet It is backed out on cylinder, separates filling tube with flooding tube；Then studs is backed out from filling tube, takes out filter screen, can incited somebody to action It has failed or the filler of Severe blockage is poured out.
As a further improvement, when needing replacing filter membrane, after filler is poured out, tail-hood is first backed out, then by studs It is backed out from filling tube, hyperfiltration membrane assembly is then removed from studs, the hyperfiltration membrane assembly more renewed.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
(1) portable water purifier of the present invention is optimized by the filler barrel structure to filtration fraction, in filling tube Both ends one studs is respectively installed, and the interior spiral shell that can cooperate with studs is provided in the flooding tube one end for the part that draws water Line, so that the both ends of filling tube all can be easily connected on flooding tube, wherein one end, which connects, can be achieved water purification effect, and another Backwash operation can be realized in end connection, and replacement frequency is effectively reduced, and extends filler and uses the time, improves filler and utilizes Rate；In addition, only need to remove studs can fall filler in filling tube in such a way that studs blocks filling tube both ends Out, it is convenient for changing new filler.
(2) portable water purifier of the present invention, one end setting filter screen can be to original on the one hand in water purification in filling tube Water is filtered for the first time, filters large granular impurity in raw water；On the other hand it is to stop to filler in backwash, prevents from filling out Material is gone out from the interstitial hole of studs, and filler is caused to be lost.
(3) portable water purifier of the present invention, filler can absorb and filter the organic pollutants such as pesticide, NOM in filling tube, with And heavy metal ion, the hyperfiltration membrane assembly such as filtering manganese, aluminium, arsenic, iron can effectively catching bacterium, protozoon, virus, colloid, fine graineds The pollutants such as suspended matter；And hyperfiltration membrane assembly and filler are isolated using isolating cylinder, it on the one hand can guarantee that water flows through Ultra-filtration stage is entered back into after whole fillers, has not only guaranteed that filler all plays water purification ability, but also guarantee that water has enough water in packing section The power residence time；On the other hand, ultrafiltration membrane can be protected, prevents the hollow-fibre membrane of ultrafiltration membrane is impaired from destroying.
(4) portable water purifier of the present invention, hyperfiltration membrane assembly are installed in the slot of studs by connector, are used in combination Sealing ring is sealed, and dismounting is simple, and hyperfiltration membrane assembly can be extracted by backing out studs, to conveniently carry out more It changes.
(5) portable water purifier of the present invention, the part that draws water cooperate unidirectional water inflow using piston push pull maneuver in flooding tube Valve and one-way water outlet valve realize the extraction and submitting of water, and structure is simple, at low cost and reliable for operation, also facilitate outdoor carrying.
(6) portable water purifier of the present invention, piston is pushed and pulled by handle in the part that draws water realizes pump drainage water, simple and convenient.
(7) water purification of portable water purifier of the present invention and back-flushing method, by filling tube both ends in filtration fraction with draw The different selection connections of flooding tube, can easily realize the filtration, purification of raw water, efficiently remove organic in water source in water section Object, bacterium, protozoon, heavy metal and major part are viral, wherein 80% or more COD removal rate, 99% or more total number of bacteria removal rate, Heavy metal manganese, aluminium, arsenic, iron removal rate water quality reaches drinking water standard after 80% or more, purification；And the recoil of filler It washes, the pollutant retained in filler can be gone out in time, filler service life greatly prolongs.
(8) the replacement method of portable water purifier of the present invention can conveniently carry out filler and hyperfiltration membrane assembly Replacement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of portable water purifier of the present invention；
Fig. 2 is the structural schematic diagram of filtration fraction in portable water purifier of the present invention.
Fig. 3 is the dismantling schematic diagram of filtration fraction in portable water purifier of the present invention
Fig. 4 is schematic diagram when portable water purifier of the present invention backwashes.
Label in attached drawing respectively indicates are as follows:
1, draw water part；11, handle；12, push-pull rod；13, water inlet cover；14, flooding tube；15, piston；16, unidirectionally go out Water valve；17, one-way water inlet valve；18, water inlet；19, internal screw thread；
2, filtration fraction；21~22, studs；23, filler；24, isolating cylinder；25, hyperfiltration membrane assembly；26, sealing ring； 27, filter screen；28, filling tube；
3, tail-hood；31, the end of thread；32, water outlet.
Specific embodiment
Following embodiment for explaining technical solution of the present invention without limitation.Those skilled in the art can use for reference invention Content, suitably change structure, connection relationship, material, parameter, size, the links such as technique realize corresponding other purposes, Correlation changes all without departing from the contents of the present invention, and all similar substitutions and modifications are aobvious to those skilled in the art And be clear to, it should all be deemed to be included within the scope of the present invention.
As shown in Figure 1, a kind of portable water purifier, main includes 2 two large divisions of part 1 and filtration fraction that draws water, wherein Part 1 draw water for drawing the water of raw water or cleaning and injecting water into filtration fraction 2, filtration fraction 2 is for filtering from drawing water The raw water or rinsed by clean water that part 1 is injected.Two-part structure is described in detail below.
For the high-precision filtration purification for realizing water, it is desirable to provide enough osmotic pressure, common pressure supply mode have manual work Fill in pressure supply (CN106139905A, CN202808506U, CN205182292U), electric pump pressure supply (CN204779122, CN101005884A), water storage container pressure supply (CN105502578A), extruding gasbag pressure supply (CN204454785U), mouth suction are squeezed Pressure supply (CN204981385U), gravity pressure supply (CN101732922A).Hand piston pressure supply is stable, and hydraulic pressure is higher, can mention It is 0.01~0.5Mpa for pressure limit, can accomplishes continuous water purification；Electric pump pressure supply hydraulic pressure is higher, and water yield is big but equipment is huge not Conducive to it is portable and field vulnerable to power supply limit；It is simple for laminated structure to squeeze water storage container, but long-time operation easily leads to hand acid Bitterly, human engineering experience is poor and is intermittent loading；Mouth suction is simple for laminated structure but pressure is smaller can not accomplish high-precision filtration, And there are certain security risks for water outlet immediate access；Gravity is simple for laminated structure but offer pressure is minimum, and the rate of filtration is slow, filtering Precision is not high.In view of outdoor use condition is complicated and changeable, and the present invention carries out water purification using ultrafiltration membrane and needs operation pressure enough Power, therefore in the present embodiment using hand piston for platen press.
As shown in connection with fig. 1, draw water part 1 include flooding tube 14, piston 15, one-way water inlet valve 17,16 and of one-way water outlet valve Handle 11.Wherein, the upper end opening of flooding tube 14, piston 15 can from upper end opening be packed into flooding tube 14 in, then by into Water drum lid 13 closes the upper end opening of flooding tube 14, makes the work that relative closure space and piston 15 are formed in flooding tube 14 Dynamic space, piston 15 connect handle 11 by pull rod 12, so that hand-held handle 11 can push piston 15 to move back and forth；Flooding tube 14 lower end is equipped with internal screw thread 19, for connecting filtration fraction 2, and can facilitate the pass for realizing backwash and filter material replacement Key, behind be discussed in greater detail.In addition, traditional manual piston pressure supply (CN106139905A, CN205182292U) is true using steel ball For the airtightness of laminate section when guarantor's Inlet and outlet water, but steel ball and its site of engagement have abrasion after long-time service, cause for laminate section It can not normal use.Therefore, this implementation substitutes traditional steel ball using one-way valve structures form, it is ensured that water purifier can for laminate section Long-term normal use.Specifically, water inlet 18 is arranged in the position of the close bottom of 14 side wall of flooding tube, interior to be packed into unidirectional water inflow Valve 17, opening direction are by being directed toward inside on the outside of flooding tube 14；One-way water outlet valve 16 be mounted on flooding tube 14 lower end edge its Axial setting, space in flooding tube 14 can be connected to filtration fraction 2, opening direction be by the inside of flooding tube 14 to Outside.When in use, one-way water inlet valve 17 is connected to by water source by pipeline, pulls up piston 15 i.e. by water from one-way water inlet valve 17 are pumped into flooding tube 14；Pushing down on piston 15 can be discharged into water in filtration fraction 2 through one-way water outlet valve 16, thus real Existing plumbing process.
As shown in connection with fig. 2, filtration fraction 2 includes 28, two studs of filling tube, filter screen 27 and hyperfiltration membrane assembly 25.Wherein, filling tube 28 is the tubular structure of both ends open, and screw thread is arranged on the inner wall of both ends open, for connecting double end Stud is illustrated for convenience of subsequent, the both ends of filling tube 28 is respectively labeled as side a and b.In the present embodiment, two Studs size is identical, be convenient for generalization, studs along central axis direction be equipped with perforative interstitial hole, so as to water enter and Filling tube 28 is flowed out, one of studs 21 is mounted on the end A of filling tube 28, another studs 22 is mounted on filler The end B of cylinder 28, and all using sealed connection.Filter screen 27 is installed in the inside at the end filling tube 28A, filter screen 27 is close to double Header stud 21 is located at the end face in filling tube 28, to enter after the filtering of filter screen 27 and fill out after water is passed through from studs 21 In barrel 28, filler 23 is filled in filling tube 28.Herein, filter screen 27 uses stainless (steel) wire, can be on the one hand in water purification Raw water is filtered for the first time, filters large granular impurity in raw water；On the other hand in backwash, filler 23 is stopped, It prevents filler 23 from going out from the interstitial hole of studs 21, filler 23 is caused to be lost.
The present embodiment, filler 23 use chitosan and active carbon mixed fillers, and active carbon can effectively adsorb pesticide, NOM etc. Organic pollutant, but be used only active carbon filler when to heavy metal poor processing effect, it is contemplated that hold under the complexity water condition of field Easily because the reasons such as ore heavy metal dissolution lead to water source heavy metals exceeding standard, Typical reactive carbon filling material layer is improved to chitosan herein With active carbon mixed filler layer.Chitosan is a kind of natural polymer, contains-NH in polymer segment2,-OH is living Property group, with heavy metal ion formed complex, can be used as polymeric sorbent absorption heavy metal ion, and it is nontoxic, Do not generate secondary pollution.Mixed fillers advantage using chitosan and active carbon has at 3 points: 1. mixed fillers can remove simultaneously Heavy metal and organic matter, it is ensured that effluent quality reaches drinking water standard；2. mixed fillers are compared with being layered filler, in same purification body The lower mixed fillers of product are not necessarily to additional isolation layer, to reduce dead angle, thus filler contacted with raw water it is more abundant；3. mixing is filled out Filling, the replacement of material are all relatively simple.
Hyperfiltration membrane assembly 25 is arranged in filling tube 28, and is mounted on the studs 22 at the end filling tube 28B, that is, On the studs 22 of 28 one end of filling tube far from filter screen 27.Ultrafiltration is a high-precision water purification technology, is had been widely used In the advanced treating of drinking water, the average pore size of film at 1 to 100 nanometers, can effectively catching bacterium, protozoon, virus, colloid, The pollutants such as fine grained suspended matter, ultrafiltration need certain osmotic pressure, and operating pressure is 0.1~0.5Mpa, according to discussing hand above Piston can meet ultrafiltration pressure for platen press.In order to guarantee to realize the convenience of water purification and later period replacement simultaneously, this Embodiment, hyperfiltration membrane assembly 25 open up close mainly including connector and the hollow-fibre membrane that is mounted on connector on connector Sealing groove, seal groove is interior to install sealing ring, while slot is opened up on the end face of studs 22, and slot is connected to interstitial hole, connection Head is inserted into slot the installation that can carry out hyperfiltration membrane assembly 25, and sealing ring guarantees the leakproofness of connection.In addition, ultrafiltration membrane Component 25 is covered with isolating cylinder 24, and filler 23 is completely cut off in the outside of isolating cylinder 24, and the sidewall bottom of isolating cylinder 24, that is, Near the junction of isolating cylinder 24 and 22 end face of studs, limbers is opened up, thus by the inside and outside connection of isolating cylinder 24.It is such On the one hand structure setting prevents short stream from occurring, if not setting isolating cylinder 24, the water entered from the end A is in the top regions for flowing through filler 23 Filling tube 28 will be flowed out behind domain from ultrafiltration membrane top, and the anhydrous lower part filler 23 flowed through becomes dead angle, causes filler 23 sharp It is not high with rate, to both guarantee that filler 23 all plays it may ensure that water enters back into ultra-filtration stage after flowing through whole fillers 23 Water purification ability, and guarantee that water has enough hydraulic detention times in packing section；It on the other hand is support protection ultrafiltration membrane, ultrafiltration membrane Hollow-fibre membrane is more fragile, directly contacts with granular filler layer, is squeezed easily damaged, can protect doughnut using isolating cylinder 24 The not easily damaged destruction of film.
Tail-hood 3 is installed on the studs 22 at the end filling tube 28B, tail-hood 3 has the end of thread 31, passes through the end of thread 31 It being installed on studs 22, the centre of tail-hood 3 is equipped with water outlet 32, and it is corresponding with the interstitial hole of studs 22, thus filler Water can be discharged through studs 22 by the water outlet 32 of tail-hood 3 in cylinder 28.
Can complete the purified treatment of raw water using above-mentioned portable water purifier, the backwash of filler and filler and The replacement operation of ultrafiltration membrane.These three operating methods are illustrated respectively below.
One, water purifying
Referring to figs. 1 and 2, operating procedure is as follows:
Connect 1. the internal screw thread 19 of the studs 21 of 28 one end of filling tube for installing filter screen 27 and flooding tube 14 is cooperated It connects, the studs 22 of 28 other end of filling tube is connect with tail-hood 3；
2. one-way water inlet valve 17 to be accessed to water to be clean by pipeline；
3. pulling upwardly on piston 15, water to be clean is sucked by one-way water inlet valve 17, then pushes down on piston 15, to The water of purification enters filling tube 28 by one-way water outlet valve 16；
4. entering the water to be clean of filling tube 28 successively after the purification of filter screen 27, filler 23 and ultrafiltration membrance filter from tail-hood 3 water outlet 32 is discharged, and can be obtained purified clean water.
Two, backwash operation
As shown in connection with fig. 4, operating procedure is as follows:
1. the studs 22 of 28 one end of filling tube for installing hyperfiltration membrane assembly 25 is matched with the internal screw thread 19 of flooding tube 14 Connection is closed, the studs 22 of 28 other end of filling tube is connect with tail-hood 3；
2. one-way water inlet valve 17 to be accessed to clean water by pipeline；
3. pulling upwardly on piston 15, clean water is sucked by one-way water inlet valve 17, then pushes down on piston 15, it is clean Water by one-way water outlet valve 16 enter filling tube 28；
4. enter the clean water of filling tube 28, to film flows outside inside hollow-fibre membrane under certain osmotic pressure, The pollutant that film surface is accumulated during water inlet washes away, and realizes the backwash of hyperfiltration membrane assembly 25；Ultrafiltration membrane come out water pass through every Off-network 24 enters filler 23, is rinsed to the pollutant accumulated in filler 23, and the water after flushing is from 21 interstitial hole of studs Tail-hood 3 is flowed to, the backwashing water in tail-hood 3 is flowed out from water outlet 32, can be proportionately to backwash.
Three, replacement operates
As shown in connection with fig. 3, operating procedure are as follows: first studs 21 is backed out from flooding tube 14, make filling tube 28 with Flooding tube 14 separates；Then studs 21 is backed out from filling tube 28, takes out filter screen 27, can will have failed or seriously The filler of blocking is poured out, and new filler 23 can be re-replaced.In addition, when needing replacing filter membrane, after filler 23 is poured out, first Tail-hood 3 is backed out, then studs 22 is backed out from filling tube 28, since hyperfiltration membrane assembly 25 is mounted on double thread 22, Therefore hyperfiltration membrane assembly 25 can be taken out of together when backing out double thread 22；Then hyperfiltration membrane assembly is removed from studs 22 25, the hyperfiltration membrane assembly 25 more renewed.
The present invention is further described below with attached drawing combined with specific embodiments below.
Embodiment 1
The present embodiment carries out purification run to raw water using above-mentioned water purifier, and the cross-sectional dimension of piston 15 is 2cm2, then The available operating pressure of flooding tube 14 is 0.2MPa under the effect of 40 N power, meets osmotic pressure needed for ultrafiltration works normally.It fills out In material 23, active carbon volume: chitosan volume=3:1, active carbon are cocoanut active charcoal, mesh number 20-40 mesh, chitosan filler 18-30 mesh, 23 total measurement (volume) of filler are 200mL.27 mesh number of filter screen is less than 10 mesh.Hyperfiltration membrane assembly 25 uses micro-filtration membrane aperture For 10-30nm, operating pressure: 0.1~0.2MPa designs membrane flux: 25L/m2H, film service life >=5 year, film-strength > 200N/ monofilament.Estimated membrane area 1m used2, then designing water flow is about 400ml/min, and filter membrane is Φ 2.5cm*15cm Cylindrical body.
Actual verification is carried out on certain creek side.The external water inlet pipe at the one-way water inlet valve 17 of water inlet 18, by water inlet pipe It is put into creek water, pulls up handle 11, water enters flooding tube 14 through water feeding one-way valve 17 by water inlet pipe, is then pressed downward hand Handle 11, water flow to filling tube 28 through one-way water outlet valve 16.Water in filling tube 28 flow direction as shown in arrow direction in Fig. 2: Water enters through the intermediate water hole of studs 21, and filler 23 is flowed to after 27 coarse filtration of filter screen, and filler 23 can effectively remove weight Metal and organic pollutant, the limbers of water self-isolation cylinder enters ultrafiltration membrane water purification section after flowing through whole granular filler layers, surpasses Filter can effectively remove the pollutants such as bacterium, protozoon, virus, colloid, fine grained suspended matter, larger molecular organics, through ultrafiltration membrane group Tail-hood 3 is flowed to from 22 interstitial hole of studs after the purification of part 25；Water in tail-hood 3 is flowed out from water outlet 32, can be obtained purification Clean water afterwards.The water quality of purification front and back is detected, testing result is shown in Table 1, and testing result proves that purified water reaches " standards for drinking water quality " GB5749-2006, purified water can be used as drinking water and drinks.
The detection of 1 portable water purifier purifying water effect of table
After purified treatment, backwash and replacement operation are being carried out.
Backwash: after filtering about 50L water, resistance increases when can feel to push piston 15, shows to retain in filling tube 28 Pollutant accumulation it is excessive, backwashed.As shown in Figure 1, the flooding tube 14 and filler that will be connected by studs 21 Cylinder 28 is unscrewed, then the filling tube 28 connected by studs 22 is unscrewed with tail-hood 3, by reverse 180 ° of filling tube 28 make the end A and B is exchanged at end, i.e., tightens the end B studs 22 with flooding tube 14, and the end A studs 21 is tightened with tail-hood 3.Into External water inlet pipe at the mouth of a river 18 before being put into water inlet pipe in cleaned water, pulls up handle 11, water by water inlet pipe pass through into Water one-way valve 17 enters flooding tube 14, is then pressed downward handle 11, water flows to filling tube 28 through one-way water outlet valve 16.Water is through double end The interstitial hole of stud 22 enters, water under certain osmotic pressure inside hollow-fibre membrane to film flows outside, during water inlet The pollutant of film surface accumulation washes away, and realizes the backwash of hyperfiltration membrane assembly 25.The water that ultrafiltration membrane comes out enters from isolating cylinder 24 Filler 23 is rinsed the pollutant accumulated in filler 23, and the water after flushing flows to tail-hood 3 from 21 interstitial hole of studs, Backwashing water in tail-hood is flowed out from water outlet 32.In the backwash initial stage, it can be seen that backwash water outlet is extremely muddy, is holding Water outlet becomes more and more limpider in continuous progress backwash process, and when backwash water amount is 2L, backwash water outlet is complete limpid, Terminate to backwash at this time, water purifier is recalled into normal water purification mode.
Filler filter membrane replacing: when the resistance of backwash pusher piston 15 is still very big, show that filler or filter membrane are tight It blocks again, needs to carry out the replacement of filler or filter membrane.As shown in Figure 1, the flooding tube 14 and filler that will be connected by studs 21 Cylinder 28 is unscrewed, then the filling tube 28 connected by studs 22 is unscrewed with tail-hood 3.As shown in figure 3, back-outing the double end spiral shell at the end A Column 21 can be taken off filter screen 27, can will fail after taking out filter screen 27 or the filler of Severe blockage is poured out, back-out the end B Double thread 22, hold 25 root of hyperfiltration membrane assembly suitably firmly hyperfiltration membrane assembly 25 can be extracted from double thread 22. When ultrafiltration membrane has blocking or serious pollution, i.e. replaceable ultrafiltration membrane, is inserted into double thread 22 for new hyperfiltration membrane assembly 25, will 24 sets of isolating cylinder on hyperfiltration membrane assembly 25 to protect hollow-fibre membrane not damaged, by double thread 22 and the end filling tube B into Row assembling is tightened, and is packed into filler 23 from the end filling tube A, filter screen 27 is placed on the filler of new clothes, studs 21 is screwed on, So far the assembling of filling tube 28 is completed.The end B of assembled filling tube 28 is tightened with tail-hood 3 by screw thread, it will be assembled The end filling tube A is tightened with flooding tube 1 by screw thread, is so far fully completed the ultrafiltration membrane and replacement of water purifier, water purifier can Normal use.
It is worth noting that those skilled in the art, under present inventive concept and specific embodiment enlightenment, energy Enough some deformations for directly exporting or associating from the disclosure of invention and common sense, it will be recognized by those of ordinary skill in the art that Other methods can also be used, or commonly use the mutually different combination etc. between the substitution and feature of well-known technique in the prior art Unsubstantiality change, can equally be applied, can realize the present invention function and effect that describe, no longer citing expansion one by one It describes in detail, belongs to the scope of the present invention.

Claims (8)

1. a kind of portable water purifier, including draw water part (1) and filtration fraction (2), the part (1) that draws water is used to draw water and by water It injects in filtration fraction (2), filtration fraction (2) is used to filter the water injected from the part (1) that draws water, it is characterised in that: described Drawing water partially (1) includes flooding tube (14), and the lower end of flooding tube (14) has internal screw thread (19)；Filtration fraction (2) packet The filling tube (28) of both ends open is included, the both ends of filling tube (28) respectively connect a studs (21,22), one of double end Stud (21) and the internal screw thread (19) of flooding tube (14) cooperate, and the connection of another studs (22) has the tail of water outlet (32) It covers (3)；One end in the filling tube (28) is equipped with filter screen (27)；The filling tube (28) is provided with filler (23)；It is described Hyperfiltration membrane assembly (25) are installed in one end in filling tube (28) far from filter screen (27), and hyperfiltration membrane assembly (25) is covered with isolating cylinder (24), filler (23) are completely cut off in the outside of isolating cylinder (24), the sidewall bottom of isolating cylinder (24) opens up limbers.
2. a kind of portable water purifier according to claim 1, it is characterised in that: the hyperfiltration membrane assembly (25) includes connecting Connector and the ultrafiltration membrane being mounted on connector；The studs (22) is equipped with slot, and connector is mounted in slot, and is led to Sealing ring (26) is crossed to be sealed.
3. a kind of portable water purifier according to claim 2, it is characterised in that: piston is arranged in the flooding tube (14) (15)；The lower part of flooding tube (14) side wall is equipped with one-way water inlet valve (17), for absorbing water；Lower end in flooding tube (14) is equipped with single To outlet valve (16), for flooding tube (14) interior water to be passed through in filling tube (28).
4. a kind of portable water purifier according to claim 3, it is characterised in that: the piston (15) passes through push-pull rod (12) handle (11) are connected.
5. a kind of process for purifying water of portable water purifier as claimed in claim 3, comprising the following steps:
1. the studs (21) of filling tube (28) one end of filter screen (27) and the internal screw thread (19) of flooding tube (14) will be installed It is cooperatively connected, the studs (22) of filling tube (28) other end is connect with tail-hood (3)；
2. one-way water inlet valve (17) to be accessed to water to be clean by pipeline；
3. pulling upwardly on piston (15), water to be clean is sucked by one-way water inlet valve (17), then pushes down on piston (15), Water to be clean enters filling tube (28) by one-way water outlet valve (16)；
4. entering the water to be clean of filling tube (28) successively after the purification of filter screen (27), filler (23) and ultrafiltration membrance filter from tail Cover water outlet (32) discharge of (3).
6. a kind of back-flushing method of portable water purifier as claimed in claim 3, comprising the following steps:
1. the studs (22) of filling tube (28) one end of hyperfiltration membrane assembly (25) and the internal screw thread of flooding tube (14) will be installed (19) it is cooperatively connected, the studs (21) of filling tube (28) other end is connect with tail-hood (3)；
2. passing through the water that pipeline is clean by one-way water inlet valve (17) access；
3. pulling upwardly on piston (15), by the water that one-way water inlet valve (17) sucking is clean, then push down on piston (15), it is clean Net water enters filling tube (28) by one-way water outlet valve (16)；
4. after the clean water for entering filling tube (28) is rinsed ultrafiltration membrane and filler (23), backwashing water is from tail-hood (3) Water outlet (32) discharge.
7. a kind of replacement method of portable water purifier as claimed in claim 3, comprising the following steps: first by studs (21) it is backed out from flooding tube (14), separates filling tube (28) with flooding tube (14)；Then by studs (21) from filler It is backed out on cylinder (28), takes out filter screen (27), can will fail or the filler of Severe blockage is poured out.
8. a kind of replacement method of portable water purifier according to claim 7, it is characterised in that: when needing replacing It when filter membrane, after filler is poured out, first backs out tail-hood (3), then studs (22) is backed out from filling tube (28), then from double It is removed on header stud (22) hyperfiltration membrane assembly (25), the hyperfiltration membrane assembly more renewed (25).
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CN108854236A (en) * 2018-07-10 2018-11-23 张程凯 A kind of contaminant water filtration equipment for clarifying based on replaceable filter element technology
CN112728270A (en) * 2020-12-28 2021-04-30 安徽蓝通科技股份有限公司 Be used for stifled filterable connecting piece of PVC union coupling can prevent
CN112777770A (en) * 2021-01-13 2021-05-11 李国平 Portable outdoor micro-filtration purifier for water purification
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