CN108479402A - A kind of intelligent self-adaptive length filter effect reverse osmosis purified water system - Google Patents

A kind of intelligent self-adaptive length filter effect reverse osmosis purified water system Download PDF

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Publication number
CN108479402A
CN108479402A CN201810312156.1A CN201810312156A CN108479402A CN 108479402 A CN108479402 A CN 108479402A CN 201810312156 A CN201810312156 A CN 201810312156A CN 108479402 A CN108479402 A CN 108479402A
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China
Prior art keywords
reverse osmosis
film
water
purified water
level
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Withdrawn
Application number
CN201810312156.1A
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Chinese (zh)
Inventor
刘洪均
彭野
卿宙
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Shenzhen Foster Environmental Health Technology Co Ltd
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Shenzhen Foster Environmental Health Technology Co Ltd
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Priority to CN201810312156.1A priority Critical patent/CN108479402A/en
Publication of CN108479402A publication Critical patent/CN108479402A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12Controlling or regulating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a kind of intelligent self-adaptives to grow filter effect reverse osmosis purified water system, reverse osmosis membrane assembly water inlet end is equipped with pressure sensor before film, reverse osmosis membrane assembly discharge of wastewater end is equipped with waste water regulatory component, equipped with upper pressure limit value before film in control system, when pressure is less than upper pressure limit value before film before the film of pressure sensor probe before the film, the pure useless ratio of reverse osmosis membrane is stepped up by control system control waste water regulatory component;It is combined with waste water regulatory component as a result of pressure sensor before film, under the premise of upper pressure limit value before no more than film, utilize pressure change before film of the reverse osmosis water purifying plant under different geographical, environment, operating mode work, by the pure useless ratio for stepping up reverse osmosis membrane, the water quality characteristics of intelligent control system Fast Learning different regions user, the water effect of reverse osmosis purified water system is improved to the maximum extent, enhance the regional applicability of reverse osmosis purified water product itself, its failure rate is reduced, filter element replacing number is reduced.

Description

A kind of intelligent self-adaptive length filter effect reverse osmosis purified water system
Technical field
The present invention relates to the reverse osmosis purified water system regions of the micro- pollution of direct drinking more particularly to a kind of intelligence are adaptive Filter effect reverse osmosis purified water system should be grown.
Background technology
Fresh water is resource most valuable on the earth, closely bound up with the health of the mankind;With the increase of population on the earth with And the increase of industrial production activities, various water pollution problems constantly threaten the health of the mankind.In China, drinking water pollution problem Also challenge heavy, for example the potential risk of the micropollutants such as heavy metal, disinfection by-products, incrustation scale, antibiotic is huge;According to Guangzhou The first antibiotic whole nation usage amount that ground Hua Suoyingguang states researcher discloses shows with discharge capacity inventory:There are 3800 tons of antibiosis every year Element is discharged, wherein 46% is thrown into water body, causes potential huge drinking water pollution risk.As it can be seen that obtaining clean water money The technology in source is all essential key technology in the whole world.
In recent years, due to the exacerbation of Chinese water pollution, the generally enhancing of society health perception, while with Chinese net The fast development of water industry, market potential are huge, it is contemplated that will up to 400,000,000,000 yuan, therefore have media has said this can be 21 century family The last a piece of cake of electric industry.The market scale of the happy health data prediction in, Chinese purifier in 2017 is up to 336 Hundred million yuan, be more than 20% by continuous 6 years speedups.
In fact, reverse osmosis water purifying plant is because that can filter out most heavy metals, antibiotic, microorganism in water body etc. Micropollutants belong to a kind of safe, insurance water purification technology, are used by most brand quotient, be that current water purification industry is exhausted To main force's technology and product, market accounting be more than 70%.
However, from First water purifier since 1998 sell, existing 20 years of water purification industry, but its market is universal Degree fails to reach nationwide application always;It traces it to its cause, on the one hand, mainly since China is vast in territory, each department Water quality differs greatly, and lots of manufacturers take the product thinking of electrification of domestic, the default settings such as product purification technique, parameter whole It is identical, after product is installed in user family by each dealer, but because of the difference of each department water quality, it is stifled usually to there is reverse osmosis membrane Film, filter core failure be fast, the filter element replacing problems such as frequently;How how to solve these problems are enhanced anti-by technology upgrading The regional applicability of water purification product is permeated, extends filter element life, reduce the after-sale service frequency, it has also become the master of water purification industry research Force direction.
On the other hand, existing reverse osmosis water purifying plant often produces 1 liter of purified water and generally requires output 3-8 liter waste water, this just anticipates The utilization efficiency (referred to as " water effect ") of taste dampening it is very low (<25%), big country of the China as a scarcity of fresh water resources, such as This large amount of fresh water is wasted, it is clear that and it is both not environmentally or not energy-efficient, for this purpose, State-level has been paid much attention to, it is total through national quality inspection Office formulates, National Standards Commission ratifies, and has issued mandatory national standards GB 34914-2017《Reverse osmosis water purifier water effect limits Value and water imitate grade》, will implement in 2018-11-01;Basis simultaneously《Standardization Act》The regulation of Article 14:Mandatory mark Standard has to carry out, and does not meet the product of mandatory standard, forbids producing and selling and import.Standard GB/T 34914-2017 rule The minimum standard for determining reverse osmosis water purifying plant water effect is 35%, and 1 grade of standard water effect is 60%.
It should be noted that under existing conventional techniques means, it, will certainly be more if improving the pure useless ratio of reverse osmosis membrane by force It is easy to cause reverse osmosis membrane and blocks up film, good experience sense can not be brought to user.
Invention content
In order to solve the above technical problems, the present invention provides a kind of intelligent self-adaptive length filter effect reverse osmosis purified water system, it can Enhance the regional applicability of reverse osmosis purified water product itself, reduce the failure rate of reverse osmosis purified water product, reduces filter element replacing Number.
Technical scheme is as follows:A kind of intelligent self-adaptive length filter effect reverse osmosis purified water system, including with control Pressure sensor and waste water regulatory component before the film that system is connected;Pressure sensor is arranged in reverse osmosis membrane assembly before the film Water inlet end, the waste water regulatory component is arranged to be provided in the discharge of wastewater end of reverse osmosis membrane assembly, the control system Upper pressure limit value before film, when pressure is less than upper pressure limit value before the film before the film of pressure sensor probe before the film, control system Control waste water regulatory component steps up the pure useless ratio of reverse osmosis membrane.
The intelligent self-adaptive length filter effect reverse osmosis purified water system, wherein:The film of pressure sensor probe before film When preceding pressure reaches upper pressure limit value before the film, control system control waste water regulatory component gradually reduces the pure useless of reverse osmosis membrane Than.
The intelligent self-adaptive length filter effect reverse osmosis purified water system, wherein:In the front end of the reverse osmosis membrane assembly It is additionally provided with pretreatment system, including level-one pretreatment core and two level pre-process core;Source water to be clean pre-processes core from level-one Water inlet end enter, waste water from level-one pre-process core waste water end be discharged;The purified water water outlet of level-one pretreatment core with The water inlet end of two level pretreatment core is connected;The water inlet of the purified water water outlet and reverse osmosis membrane assembly of the two level pretreatment core End is connected, water outlet output of the last purified water from reverse osmosis membrane assembly.
The intelligent self-adaptive length filter effect reverse osmosis purified water system, wherein:When the pure useless ratio of reverse osmosis membrane reaches 1:2 Minimum limit value when, if before film before the film of pressure sensor probe pressure be more than film before upper pressure limit value when, control system is sent out Replace the prompt of two level pretreatment core.
The intelligent self-adaptive length filter effect reverse osmosis purified water system, wherein:The level-one pretreatment core uses ultrafiltration Membrane module, for effectively filtering out solid particulate matter and colloid in the water of source.
The intelligent self-adaptive length filter effect reverse osmosis purified water system, wherein:The two level pretreatment core uses carbon-point, For removing the chlorine residue in water body.
The intelligent self-adaptive length filter effect reverse osmosis purified water system, wherein:The carbon-point is scale inhibition carbon rod.
A kind of intelligent self-adaptive length filter effect reverse osmosis purified water system provided by the present invention, as a result of pressure before film Sensor is combined with waste water regulatory component, in the case of upper pressure limit value before no more than film, utilizes reverse osmosis water purifying plant Pressure change before film under different geographical, environment, operating mode work, it is intelligent by stepping up the pure useless ratio of reverse osmosis membrane The water quality characteristics of control system Fast Learning different regions user improve the water effect of reverse osmosis purified water system to the maximum extent, The regional applicability for enhancing reverse osmosis purified water product itself, reduces the failure rate of reverse osmosis purified water product, reduces filter core Number is replaced, has ensured the long-acting work of reverse osmosis water purifying plant.
Description of the drawings
Fig. 1 is the structure principle chart of intelligent self-adaptive length filter effect reverse osmosis purified water system embodiment of the present invention.
Specific implementation mode
Below with reference to attached drawing, the specific implementation mode and embodiment of the present invention are described in detail, described tool Body embodiment only to explain the present invention, is not intended to limit the specific implementation mode of the present invention.
As shown in Figure 1, Fig. 1 is the structural principle of intelligent self-adaptive length filter effect reverse osmosis purified water system embodiment of the present invention Figure, intelligent self-adaptive of the invention length filter effect reverse osmosis purified water system, film is equipped in the water inlet end of reverse osmosis membrane assembly 130 Preceding pressure sensor 140 is equipped with waste water regulatory component 150, the film at the discharge of wastewater end 115 of reverse osmosis membrane assembly 130 Preceding pressure sensor 140 and waste water regulatory component 150 are connected with a control system 160, and are set in the control system 160 It is equipped with upper pressure limit value before film, the insufficient pressure or less than upper pressure limit before the film before the film of 140 probe of pressure sensor before film When value, the pure useless ratio that waste water regulatory component 150 steps up reverse osmosis membrane is controlled by control system 160, to the maximum extent Improve the water effect of reverse osmosis purified water system.
So-called pure useless ratio refers to the ratio that waste water is discharged while output pure water, such as 1 herein:2 it is pure useless Than referring to that 2 parts of waste water are discharged while 1 part of pure water of output.
Further, pressure approaches or reaches upper pressure limit value before the film before the film of 140 probe of pressure sensor before film When, the pure useless ratio that waste water regulatory component 150 gradually reduces reverse osmosis membrane is controlled by control system 160, it is reverse osmosis to ensure The normal work of film.
It is preferred that being additionally provided with pretreatment system, including level-one pretreatment in the front end of the reverse osmosis membrane assembly 130 Core 110 and two level pre-process core 120, and the water inlet end 111 that source water to be clean pre-processes core 110 from the level-one enters, waste water The waste water end 112 that core 110 is pre-processed from the level-one is discharged, the purified water water outlet 113 and two of the level-one pretreatment core 110 The water inlet end of grade pretreatment core 120 is connected, the purified water water outlet 114 of the two level pretreatment core 120 and reverse osmosis membrane group The water inlet end of part 130 is connected, and last purified water (i.e. direct drinking) is from 116 output of the water outlet of reverse osmosis membrane assembly 130.
Wherein, the level-one pretreatment core 110 uses hyperfiltration membrane assembly, for effectively filtering out the solid particulate matter in the water of source And colloid;Because in the micro- pollution purification process of direct drinking, solid particulate matter, colloid and incrustation scale etc. are that reverse osmosis membrane is caused to block up film Central factor, and discharge of wastewater channel is set in the hyperfiltration membrane assembly, ultrafiltration membrane can effectively be rinsed, to protect The service life of ultrafiltration membrane is hindered.
Wherein, the two level pretreatment core 120 uses carbon-point, for removing the chlorine residue in water body;Because micro- in direct drinking It pollutes in purification process, chlorine residue is the core reasons for causing reverse osmosis membrane salt rejection rate to decline, the oxidized reverse osmosis of chlorine residue in water body Permeable membrane destroys the structure of its filter hole in turn, and passes through level-one pretreatment 110 purified water body of core and filtered out colloid, significantly The effect of reducing the blocking risk of two level pretreatment core 120, while also effectively having played carbon-point long-acting removal chlorine residue, to use up The service life that reverse osmosis membrane may be extended has ensured the filter effect of reverse osmosis membrane.
Further, when the pure useless ratio of reverse osmosis membrane reaches 1:When 2 minimum limit value, if pressure sensor 140 is visited before film Before the film of needle pressure be more than film before upper pressure limit value when, by control system 160 send out replace two level pre-process core 120 prompt, Two level is replaced in time pre-processes core 120.
It is preferred that the two level pretreatment core 120 uses scale inhibition carbon rod, the scale inhibition factor that can promote reverse osmosis membrane waste water knot The concentration of dirt, extends the service life of filter core, reverse osmosis membrane has been further prevented to block up film, to improve the pure of reverse osmosis membrane Useless ratio.
Intelligent self-adaptive length filter effect reverse osmosis purified water system of the present invention, it is stifled for reverse osmosis membrane in reverse osmosis water purifying plant The fundamental of film passes through pressure key index before the film of probe reverse osmosis membrane, intelligent control system with artificial intelligence thinking The water quality characteristics of Fast Learning different regions user, using reverse osmosis water purifying plant in different geographical, environment, operating mode work lower film Preceding pressure change automatically adjust reverse osmosis purification and set by central intelligent control system and waste water regulatory component cooperative work Standby pretreatment system processing depth, reverse osmosis membrane it is pure it is useless compare so as to see who is superior, the indexs such as core filter element life, to improve water effect as possible On the basis of, it has ensured reverse osmosis membrane normal work, has extended the service life of filter core to greatest extent, efficiently solved current Reverse osmosis water purifying plant high failure rate, region are poor for applicability, problems of replacing filter core frequently etc., are a kind of real green skills Art.
It should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not sufficient to the limitation present invention's Technical solution within the spirit and principles in the present invention, can add according to the above description for those of ordinary skills It with increase and decrease, replacement, transformation or improvement, and all these increases and decreases, replaces, transformation or improved technical solution, should all belong to this The protection domain of invention appended claims.

Claims (7)

1. a kind of intelligent self-adaptive length filter effect reverse osmosis purified water system, which is characterized in that including what is be connected to the control system Pressure sensor and waste water regulatory component before film;The water inlet end in reverse osmosis membrane assembly, institute is arranged in pressure sensor before the film It states waste water regulatory component and is arranged and be provided with upper pressure limit before film in the discharge of wastewater end of reverse osmosis membrane assembly, the control system Value controls waste water tune when pressure is less than upper pressure limit value before the film before the film of pressure sensor probe before the film by control system Control component steps up the pure useless ratio of reverse osmosis membrane.
2. intelligent self-adaptive length filter effect reverse osmosis purified water system according to claim 1, it is characterised in that:It is pressed before film When pressure reaches upper pressure limit value before the film before the film of force snesor probe, gradually dropped by control system control waste water regulatory component The pure useless ratio of low reverse osmosis membrane.
3. intelligent self-adaptive length filter effect reverse osmosis purified water system according to claim 1, it is characterised in that:Described anti- The front end of permeable membrane element is additionally provided with pretreatment system, including level-one pretreatment core and two level pre-process core;Source to be clean The water inlet end that water pre-processes core from level-one enters, and the waste water end that waste water pre-processes core from level-one is discharged;The level-one pre-processes core Purified water water outlet and two level pre-process the water inlet end of core and be connected;The purified water water outlet of two level pretreatment core with it is anti- The water inlet end of permeable membrane element is connected, water outlet output of the last purified water from reverse osmosis membrane assembly.
4. intelligent self-adaptive length filter effect reverse osmosis purified water system according to claim 3, it is characterised in that:When reverse osmosis The pure useless ratio of film reaches 1:When 2 minimum limit value, if pressure is more than upper pressure limit before film before the film of pressure sensor probe before film When value, the prompt replaced two level and pre-process core is sent out by control system.
5. intelligent self-adaptive length filter effect reverse osmosis purified water system according to claim 3, it is characterised in that:The level-one It pre-processes core and uses hyperfiltration membrane assembly, for effectively filtering out solid particulate matter and colloid in the water of source.
6. intelligent self-adaptive length filter effect reverse osmosis purified water system according to claim 3, it is characterised in that:The two level It pre-processes core and uses carbon-point, for removing the chlorine residue in water body.
7. intelligent self-adaptive length filter effect reverse osmosis purified water system according to claim 6, it is characterised in that:The carbon-point For scale inhibition carbon rod.
CN201810312156.1A 2018-04-09 2018-04-09 A kind of intelligent self-adaptive length filter effect reverse osmosis purified water system Withdrawn CN108479402A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115105964A (en) * 2022-06-14 2022-09-27 厦门牧云数据技术有限公司 Method for improving membrane performance based on fault diagnosis expert system

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CN115105964B (en) * 2022-06-14 2024-04-02 厦门牧云数据技术有限公司 Method for improving membrane performance based on fault diagnosis expert system

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