CN103864256A - Electronic scale reverse osmosis system and control device - Google Patents
Electronic scale reverse osmosis system and control device Download PDFInfo
- Publication number
- CN103864256A CN103864256A CN201410056826.XA CN201410056826A CN103864256A CN 103864256 A CN103864256 A CN 103864256A CN 201410056826 A CN201410056826 A CN 201410056826A CN 103864256 A CN103864256 A CN 103864256A
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- Prior art keywords
- reverse osmosis
- scaling
- electronic anti
- control device
- osmosis system
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003610 charcoal Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 239000002455 scale inhibitor Substances 0.000 claims description 4
- 150000002894 organic compounds Chemical class 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 230000002829 reductive effect Effects 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 6
- 125000001309 chloro group Chemical group Cl* 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses an electronic scale reverse osmosis system and a control device, and provides an electronic scale pretreatment system and a control device for adopting activated carbon to filter before reverse osmosis. The reverse osmosis membrane obtains reliable operation assurance under the condition that an anti-sludging agent is not fed and complicated softening equipment is provided, the investment cost and the operation cost of the system are reduced. Compared with the traditional reverse osmosis water treatment method, the control device is small in volume, energy-saving and environment-friendly, and simple and convenient to install, can achieve full-automatic control, and is especially applicable to the reverse osmosis system for wastewater reuse.
Description
Technical field
This patent relates to a kind of reverse osmosis water treatment method and control device, especially for the poor reverse osmosis system of the influent qualities such as waste water recycling.Have compared with conventional reverse osmosis water treatment method that volume is little, energy-conserving and environment-protective, simple installation, can realize the innovative points such as full automatic control.
Background technology
In reverse osmosis water treating processes, the concentration of suspended particle, organism and dissolved matter constantly increases.Suspended particle and organic deposition, on film, stop up inlet conduit.Difficulty soluble salt, in the time exceeding its saturation limit, can be precipitated out from dense water, forms fouling on face, reduces the flux of reverse osmosis membrane, increases operating pressure, and causes product deteriorating water quality.That prior art conventionally adopts is softening, oxidation, acid adding, the method that adds Scale inhibitors are carried out pre-treatment to the former water entering before reverse osmosis membrane system, system complex, and medicament and energy consumption are high.
patent content
This patent has proposed to adopt active carbon filtration to add pretreatment system and the control device of electronic anti-scaling, does not need to add Scale inhibitors and complicated softening equipment is set, and can ensure reverse osmosis membrane reliability service.Simultaneously electronic anti-scaling can activated water molecule, improves reverse-osmosis treated ability.This patent can effectively reduce the running cost of investment cost and system.
Electronic anti-scaling device is to design based on alternating electromagnetic field principle, produces by signal generator the electric current that a kind of polarity, amplitude and frequency change at a high speed, and this electric current produces again fast-changing magnetic field in pipeline, to the Ca in water
2+, Mg
2+produce a kind of ion interference effect, can change electrochemical properties and the physical property of these ions, reduce Ca
2+, Mg
2+, CO
3 2-, SO
4 2-between adsorptive power, be combined into dirt thereby stop between these ions.
The input signal that participates in the control of electronic anti-scaling device comprises pH value, hardness, the flow parameter of feed water by reverse osmosis.Programmable logic controller is according to the each parameter influence coefficient setting control system under different quality operating mode.
Before electronic anti-scaling device, charcoal filter is installed, the one, can adsorb organic compound, reduce feed water by reverse osmosis COD value, avoid the pollution of organism to reverse osmosis membrane.The reduction of the 2nd, COD can improve the effect of the scale inhibition of electronic anti-scaling device.
The magnetic field induction that electronic anti-scaling device produces reduces microbial film bond strength in solid and pipeline, the smooth non-adhesive surface of its needle-shaped crystal structure, be soft cotton-shaped being suspended in medium with medium flowing, avoid to the deposition on wall and film surface, reach the object that prevents fouling, can play activated water molecule, improve the effect of seepage force simultaneously.
Electronic anti-scaling device can carry out respectively parameter setting targetedly according to different treatment media and processing condition, thereby produce the most effective the most applicable pulsed voltage and frequency of modulation pulse, the signal that control device produces can be input in multiple electronic anti-scaling device winding inductor blocks, realizes many pipeline application of a machine.Control device has liquid-crystal display monitoring flow and frequency conversion current output value and operation warning instruction.
The electronic anti-scaling device scope of application is wide, can be widely used in different pipe diameters, different flow, different media, to water (flow) direction, pipeline, system pressure are all unrestricted anyhow.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of a kind of embodiment of this patent.
Mark in Fig. 1: 1-charcoal filter, 2-electronic anti-scaling device, 3-cartridge filter, 4-high-pressure pump, 5-reverse osmosis unit.
Below in conjunction with the drawings and specific embodiments, this patent is further described.
Embodiment
The embodiment of this patent: as shown in Figure 1, former water is through the organism in charcoal filter Adsorption water, water after filtration is through being arranged on the electronic anti-scaling device activation treatment on pipeline outer wall, activation treatment can prevent dissolved salts fouling, the water of activation treatment enters cartridge filter, remove fine particulates, then squeeze into reverse osmosis unit through high-pressure pump supercharging and carry out membrane separation.
Above-mentioned electronic anti-scaling reverse osmosis system and control device: comprise the charcoal filter, electronic anti-scaling device, cartridge filter, high-pressure pump, the reverse osmosis unit that are connected successively through pipeline, also comprise the PH on line analyzer, hardness on line analyzer, flow sensor, flow transmitter and the programmable logic controller that are arranged on after charcoal filter.
Electronic anti-scaling device is controlled by pH value, hardness, the flow parameter of water inlet.The programmable logic controller of control device can carry out parameter setting according to different quality operating mode.
The embodiment of this patent also comprises conventional control instruments setting and chain control.Comprising the thermometer that generally needs to install, tensimeter, specific conductivity table, chlorine residue table, redox potential table etc., place and the effect thereof of installing are described below:
(1) thermometer
Feed temperature table is for Real-Time Monitoring feed temperature.Relevant with temperature because of the water production rate of reverse osmosis, need to be controlled between 15 DEG C ~ 25 DEG C, so must monitor to obtain standard water production rate.In addition, temperature exceedes 45 DEG C can damage membrane element, therefore should establish the protection of overload alarm, overtemperature water automatic-discharging and stoppage in transit RO to former water heater system;
(2) tensimeter
Feed pressure table is for Real-Time Monitoring feed pressure.For the pressure drop of calculating each section, and then water production rate and salt transmitance are demarcated.5 μ m cartridge filters are installed into delivery gauge, (2bar) more renew cartridge in the time that pressure drop reaches certain value.Service pump inlet and outlet pressure table is used for monitoring service pump inlet and outlet pressure, and inlet and outlet pressure switch is used for low warning, termination of pumping in the time of intake pressure, (time delay, in case open the door and do not open slowly) warning, termination of pumping when top hole pressure is high;
(3) rate of flow meter
The product water rate of flow meter monitoring water production rate that is in operation, every cover should be installed separately, so that demarcate RO performance data.Product water flow has the several functions such as instantaneous instruction, accumulative total and record, and the concentrated water drainage water flowmeter monitoring water displacement that is in operation has instruction, accumulative total and writing function.Feed meter also can be used for the automatic adjusting of chemical feeding quantity;
(4) specific conductivity table
Electrical conductivity of water can be indicated, be recorded to feedwater conductivity table, product water specific conductivity table, and overload alarm can be set, from the ratio of desalinization of feedwater conductivity and the known RO of product water specific conductivity;
(5) chlorine residue table
Measure feedwater chlorine residue, there is instruction, record and overload alarm function, also can be used for the automatic adjusting of chemical feeding quantity;
(6) redox potential table
Eliminate the feedwater of chlorine residue through adding reductive agent and should install redox potential table.It has instruction, record and overload alarm function, simultaneously for the automatic adjusting of chemical feeding quantity.
Embodiment major equipment and operating parameter are as follows:
Design water temperature: 5 ~ 30 DEG C
Raw water quality: TDS668 mg/L, total hard 312 mg/L(are in CaCO3), COD13.12 mg/L
Source water hydraulic pressure: 0.30MPa
Reverse osmosis membrane model: Tao Shi BW30FR-400/34i
The reverse osmosis produced water yield: 75m
3/ h
The reverse osmosis rate of recovery: >=75%
Electronic anti-scaling device power: 800W.
This patent energy-saving and environmental protection, comprehensive save energy can reach 30%, saves chemical medicament expense use, there is no secondary pollution.
Claims (6)
1. an electronic anti-scaling reverse osmosis system and control device, comprise Controlling System and the charcoal filter, electronic anti-scaling device, cartridge filter, high-pressure pump, the reverse osmosis unit that connect in order, it is characterized in that: feed water by reverse osmosis adopts activated carbon adsorption, electronic anti-scaling method and control mode to prevent the stifled and fouling of the dirt on reverse osmosis membrane surface.
2. electronic anti-scaling reverse osmosis system according to claim 1 and control device, it is characterized in that: charcoal filter, electronic anti-scaling device are installed before reverse osmosis system, adopt electronic anti-scaling method, feed water by reverse osmosis is without adding Scale inhibitors, thereby saves the expense of the required Scale inhibitors of long-time running.
3. electronic anti-scaling reverse osmosis system according to claim 1 and control device, is characterized in that: pH on line analyzer, hardness on line analyzer, flow sensor, flow transmitter and programmable logic controller are installed after charcoal filter; Programmable logic controller gathers the 4-20mA signal of flow, PH, the output of hardness instrument, regulates current parameters, the pulse-repetition of electronic anti-scaling device output.
4. electronic anti-scaling reverse osmosis system according to claim 1 and control device, is characterized in that: PH on line analyzer, hardness on line analyzer, flow sensor, flow transmitter and programmable logic controller are installed after charcoal filter; Programmable logic controller gathers the 4-20mA signal of flow, PH, the output of hardness instrument, regulates current parameters, the pulse-repetition of electronic anti-scaling device output.
5. electronic anti-scaling reverse osmosis system according to claim 2 and control device, is characterized in that: before electronic anti-scaling device, charcoal filter is installed, in order to adsorb organic compound, is improved electronic anti-scaling effect, reduce the organic fouling of reverse osmosis.
6. electronic anti-scaling reverse osmosis system according to claim 5 and control device, is characterized in that: programmable logic controller signal can be input in multiple electronic anti-scaling devices, realizes many pipeline application of a machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056826.XA CN103864256B (en) | 2014-02-20 | 2014-02-20 | A kind of electronic anti-scaling counter-infiltration system and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056826.XA CN103864256B (en) | 2014-02-20 | 2014-02-20 | A kind of electronic anti-scaling counter-infiltration system and control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103864256A true CN103864256A (en) | 2014-06-18 |
| CN103864256B CN103864256B (en) | 2016-08-17 |
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|---|---|---|---|
| CN201410056826.XA Active CN103864256B (en) | 2014-02-20 | 2014-02-20 | A kind of electronic anti-scaling counter-infiltration system and control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336070A (en) * | 2016-11-08 | 2017-01-18 | 英普（北京）环境科技有限公司 | Method for improving recovery rate of membrane separation system and device thereof |
| CN108101157A (en) * | 2018-02-06 | 2018-06-01 | 大唐国际发电股份有限公司北京高井热电厂 | A kind of reverse osmosis chemicals dosing plant and system |
| CN109336270A (en) * | 2018-10-10 | 2019-02-15 | 浙江津膜环境科技有限公司 | A kind of dye vat Liquid Residue resource utilization method and its system |
| CN114259874A (en) * | 2021-12-29 | 2022-04-01 | 贵州师范学院 | Reverse osmosis water treatment automatic control system |
Citations (4)
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|---|---|---|---|---|
| CN201334411Y (en) * | 2008-11-28 | 2009-10-28 | 申汇科技集团有限公司 | Circulating water treatment system |
| CN201335647Y (en) * | 2009-01-15 | 2009-10-28 | 青岛北方瑞杰环境技术有限公司 | Sewage heat exchanging device with filtering and electronic defouling functions |
| US20120205310A1 (en) * | 2011-01-28 | 2012-08-16 | Wu Zicheng | Method and device for recycling of wastewater |
| CN103351077A (en) * | 2013-07-30 | 2013-10-16 | 深圳市汇清科技有限公司 | Multifunctional full-effect direct drinking system |
-
2014
- 2014-02-20 CN CN201410056826.XA patent/CN103864256B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201334411Y (en) * | 2008-11-28 | 2009-10-28 | 申汇科技集团有限公司 | Circulating water treatment system |
| CN201335647Y (en) * | 2009-01-15 | 2009-10-28 | 青岛北方瑞杰环境技术有限公司 | Sewage heat exchanging device with filtering and electronic defouling functions |
| US20120205310A1 (en) * | 2011-01-28 | 2012-08-16 | Wu Zicheng | Method and device for recycling of wastewater |
| CN103351077A (en) * | 2013-07-30 | 2013-10-16 | 深圳市汇清科技有限公司 | Multifunctional full-effect direct drinking system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336070A (en) * | 2016-11-08 | 2017-01-18 | 英普（北京）环境科技有限公司 | Method for improving recovery rate of membrane separation system and device thereof |
| CN108101157A (en) * | 2018-02-06 | 2018-06-01 | 大唐国际发电股份有限公司北京高井热电厂 | A kind of reverse osmosis chemicals dosing plant and system |
| CN109336270A (en) * | 2018-10-10 | 2019-02-15 | 浙江津膜环境科技有限公司 | A kind of dye vat Liquid Residue resource utilization method and its system |
| CN114259874A (en) * | 2021-12-29 | 2022-04-01 | 贵州师范学院 | Reverse osmosis water treatment automatic control system |
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| Publication number | Publication date |
|---|---|
| CN103864256B (en) | 2016-08-17 |
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Address after: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Address before: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee before: BEIJING LUCENCY ENVIRO-TECH Co.,Ltd. |
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Address after: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Water Environmental Protection Co.,Ltd. Country or region after: China Address before: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee before: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Country or region before: China |