CN103864256B - A kind of electronic anti-scaling counter-infiltration system and control device - Google Patents
A kind of electronic anti-scaling counter-infiltration system and control device Download PDFInfo
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- CN103864256B CN103864256B CN201410056826.XA CN201410056826A CN103864256B CN 103864256 B CN103864256 B CN 103864256B CN 201410056826 A CN201410056826 A CN 201410056826A CN 103864256 B CN103864256 B CN 103864256B
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- 238000001764 infiltration Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims description 11
- 239000003610 charcoal Substances 0.000 claims description 9
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000033116 oxidation-reduction process Effects 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 239000003657 drainage water Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000004913 activation Effects 0.000 description 3
- 150000002500 ions 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
- 230000008021 deposition Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 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
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 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
- 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
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
This patent discloses a kind of electronic anti-scaling counter-infiltration system and control device, propose and use active carbon filtration add electronic anti-scaling pretreatment system and control device before reverse osmosis, need not add antisludging agent and arrange the softening equipment of complexity, reverse osmosis membrane can be made to obtain and to run guarantee reliably, and reduce the operating cost of investment cost and system.Have compared with conventional reverse osmosis method for treating water that volume is little, energy-conserving and environment-protective, simple installation, Automatic Control can be realized, be particularly suitable for the counter-infiltration system of waste water recycling.
Description
Technical field
This patent relates to a kind of reverse osmosis water treatment method and controls device, especially for the counter-infiltration system that the influent qualities such as waste water recycling are poor.Have compared with conventional reverse osmosis method for treating water that volume is little, energy-conserving and environment-protective, simple installation, the innovative points such as Automatic Control can be realized.
Background technology
During anti-penetration wastewater disposal, the concentration of particle, Organic substance and dissolved matter is continuously increased.Particle and organic deposition, on film, block water inlet flow channel.Difficulty soluble salt, when exceeding its saturation limit, can be precipitated out from dense water, forms fouling, reduces the flux of reverse osmosis membrane, increase operating pressure, and cause product deteriorating water quality on face.Prior art generally uses softening, oxidation, acid adding, adding the method for antisludging agent, that the former water before entering reverse osmosis membrane system is carried out pretreatment, system complex, medicament and energy consumption is high.
Patent content
This patent proposes and uses active carbon filtration add the pretreatment system of electronic anti-scaling and control device, it is not necessary to adds antisludging agent and arranges the softening equipment of complexity, can ensure reverse osmosis membrane reliability service.Simultaneously electronic anti-scaling can activated water molecule, improve reverse-osmosis treated ability.This patent can effectively reduce the operating cost of investment cost and system.
Electronic anti-scaling device is to design based on alternating electromagnetic field principle, is produced the electric current of a kind of polarity, amplitude and frequency change at a high speed by signal generator, and this electric current produces fast-changing magnetic field the most in the duct, to the Ca in water2+、Mg2+Produce a kind of ion interference effect, thus it is possible to vary the electrochemical properties of these ions and physical characteristic, reduce Ca2+、Mg2+、 CO3 2-、SO4 2-Between absorbability, thus stop and be combined into dirt between these ions.
The input signal participating in the control of electronic anti-scaling device includes the pH value of feed water by reverse osmosis, hardness, flow parameter.Programmable logic controller (PLC) is according to each parameter influence coefficient setting control system under different quality operating mode.
Installing charcoal filter before electronic anti-scaling device, one is to adsorb Organic substance, reduces feed water by reverse osmosis COD value, it is to avoid the Organic substance pollution to reverse osmosis membrane.Two is the effect that the reduction of COD can improve the scale inhibition of electronic anti-scaling device.
In the magnetic field induction that electronic anti-scaling device produces makes solid and pipeline, biomembrane bonding strength reduces, the smooth non-adhesive surface of its needle-shaped crystal structure, in soft cotton-shaped suspension in media as well with media flow, avoid to wall and the deposition on film surface, reach to prevent the purpose of fouling, activated water molecule can be played simultaneously, improve the effect of penetration.
Electronic anti-scaling device can carry out parameter targetedly respectively according to different process media and process conditions and arrange, thus produce and be best suitable for maximally effective pulse voltage and frequency of modulation pulse, the signal controlling device generation can be input in multiple electronic anti-scaling device winding induction apparatus, it is achieved a machine a plurality of pipeline application.Control device there is liquid crystal display monitoring flow and frequency conversion current output value and run instruction of reporting to the police.
Electronic anti-scaling device scope of application width, can be widely used for different pipe diameter, different flow, different medium, the most unrestricted to water (flow) direction, anyhow pipeline, system pressure.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of embodiment of this patent.
Labelling in Fig. 1: 1-charcoal filter, 2-electronic anti-scaling device, 3-cartridge filter, 4-high-pressure pump, 5-reverse osmosis unit.
With detailed description of the invention, this patent is further described below in conjunction with the accompanying drawings.
Detailed description of the invention
The embodiment of this patent: as shown in Figure 1, former water Organic substance in charcoal filter Adsorption water, water after filtration is through the electronic anti-scaling device activation processing being arranged on pipeline outer wall, activation processing can prevent dissolved salts fouling, the water of activation processing enters cartridge filter, remove fine particulates, be then passed through high-pressure pump supercharging and squeeze into reverse osmosis unit and carry out membrane separation.
Above-mentioned electronic anti-scaling counter-infiltration system and control device: include through pipeline be sequentially connected connect charcoal filter, electronic anti-scaling device, cartridge filter, high-pressure pump, reverse osmosis unit, also include the PH in-line analyzer after being arranged on charcoal filter, hardness in-line analyzer, flow transducer, flow transmitter and programmable logic controller (PLC).
Electronic anti-scaling device is controlled by the pH value of water inlet, hardness, flow parameter.The programmable logic controller (PLC) controlling device can carry out parameter setting according to different quality operating mode.
The embodiment of this patent also includes that the control instrument of routine is arranged and chain control.Including it is generally required to the thermometer of installing, Pressure gauge, electrical conductivity table, chlorine residue table, oxidation-reduction potential table etc., place and the effect thereof of installing are described below:
(1) thermometer
Feed temperature monitored by feed temperature table in real time.Because the aquifer yield of reverse osmosis is relevant with temperature, need to control between 15 DEG C ~ 25 DEG C, so must monitor to obtain standard aquifer yield.It addition, temperature can damage membrane component more than 45 DEG C, therefore former water heater system should be set overload alarm, overtemperature water automatic-discharging and the protection of stoppage in transit RO；
(2) Pressure gauge
Feed pressure monitored by feed pressure table in real time.For calculating the pressure drop of each section, and then aquifer yield and salt transmitance are demarcated.5 m cartridge filters are installed into delivery gauge, and when pressure drop reaches certain value, (2bar) changes filter element.Feed pump inlet and outlet pressure table is used for monitoring feed pump inlet and outlet pressure, and inlet and outlet pressure switch is used for low warning, termination of pumping when inlet pressure, (time delay, in case slow enabling is not switched on) warning, termination of pumping during outlet pressure height；
(3) flow meter
Product water flow meter is in operation monitoring aquifer yield, and often set should individually be installed, in order to demarcate RO performance data.Product water flow has the several functions such as instantaneous instruction, accumulative and record, and concentrated water drainage water flowmeter is in operation monitoring displacement, has instruction, adds up and writing function.Feed meter can be additionally used in being automatically adjusted of chemical feeding quantity；
(4) electrical conductivity table
Feedwater conductivity table, product water electrical conductivity table may indicate that, record electrical conductivity of water, can arrange overload alarm, understands the salt rejection rate of RO from feedwater conductivity and product water electrical conductivity；
(5) chlorine residue table
Measure feedwater chlorine residue, there is instruction, record and overload alarm function, it may also be used for being automatically adjusted of chemical feeding quantity；
(6) oxidation-reduction potential table
The feedwater eliminating chlorine residue through adding reducing agent should install oxidation-reduction potential table.It has instruction, record and overload alarm function, is simultaneously used for being automatically adjusted of chemical feeding quantity.
Embodiment capital equipment and operational factor are as follows:
Design water temperature: 5 ~ 30 DEG C
Raw water quality: TDS668 mg/L, the hardest 312 mg/L(are in terms of 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: 75m3/h
The reverse osmosis response rate: >=75%
Electronic anti-scaling device power: 800W.
This patent energy-saving and environmental protection, the comprehensive energy of saving, up to 30%, is saved chemistry medicament expense use, is not had secondary pollution.
Claims (4)
1. an electronic anti-scaling counter-infiltration system and control device, the charcoal filter that including control system and connects in order, electronic anti-scaling device, cartridge filter, high-pressure pump, reverse osmosis unit, it is characterised in that: feed water by reverse osmosis uses activated carbon adsorption, electronic anti-scaling method and control mode to prevent the dirt on reverse osmosis membrane surface stifled and fouling；Charcoal filter is installed before electronic anti-scaling device, in order to adsorb Organic substance, improves electronic anti-scaling effect, reduce the organic fouling of reverse osmosis；
Also include thermometer, Pressure gauge, flow meter, electrical conductivity table, chlorine residue table, oxidation-reduction potential table; wherein; feed temperature monitored by thermometer in real time; described temperature needs to control between 15 DEG C ~ 25 DEG C; temperature can damage membrane component more than 45 DEG C; setting overload alarm in former water heater system, overtemperature water can automatic-discharging and the protection of stoppage in transit RO；Feed pressure monitored in real time by Pressure gauge, calculate the pressure drop of each section, aquifer yield and salt transmitance are demarcated, cartridge filter is installed into delivery gauge, change filter element, feed pump inlet and outlet pressure table monitoring feed pump inlet and outlet pressure when pressure drop reaches certain value, inlet and outlet pressure switchs in the low alarm of inlet pressure, termination of pumping, termination of pumping time delay, in case slow enabling is not switched on；Flow meter includes producing water flowmeter, concentrated water drainage water flowmeter and feed meter, described product water flowmeter monitoring aquifer yield, often set should individually be installed, demarcate RO performance data, described product water flowmeter has instantaneous instruction, accumulative and writing function, described concentrated water drainage water flowmeter monitoring displacement, has instruction, accumulative and writing function, and described feed meter is automatically adjusted chemical feeding quantity；The instruction of electrical conductivity table, record electrical conductivity of water, arrange overload alarm, the salt rejection rate of detection RO film；Chlorine residue table measures feedwater chlorine residue, it is possible to indicates, record and overload alarm, is automatically adjusted chemical feeding quantity；Add reducing agent and eliminate the feedwater installing oxidation-reduction potential table of chlorine residue, the instruction of described oxidation-reduction potential table, record and overload alarm, be automatically adjusted chemical feeding quantity simultaneously.
Electronic anti-scaling counter-infiltration system the most according to claim 1 and control device, it is characterized in that: charcoal filter, electronic anti-scaling device are installed before counter-infiltration system, using electronic anti-scaling method, feed water by reverse osmosis is without adding antisludging agent, thus the expense of antisludging agent needed for saving longtime running.
Electronic anti-scaling counter-infiltration system the most according to claim 1 and control device, it is characterised in that: PH in-line analyzer, hardness in-line analyzer, flow transducer, flow transmitter and programmable logic controller (PLC) are installed after charcoal filter；Programmable logic controller (PLC) gathers flow, PH, the 4-20mA signal of hardness instrument output, the current parameters of regulation electronic anti-scaling device output, pulse frequency.
Electronic anti-scaling counter-infiltration system the most according to claim 3 and control device, it is characterised in that: programmable logic controller (PLC) signal can be input in multiple electronic anti-scaling device, it is achieved a machine a plurality of pipeline application.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410056826.XA CN103864256B (en) | 2014-02-20 | 2014-02-20 | A kind of electronic anti-scaling counter-infiltration system and control device |
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| CN201410056826.XA CN103864256B (en) | 2014-02-20 | 2014-02-20 | A kind of electronic anti-scaling counter-infiltration system and control device |
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| CN103864256A CN103864256A (en) | 2014-06-18 |
| CN103864256B true CN103864256B (en) | 2016-08-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN114259874B (en) * | 2021-12-29 | 2022-11-25 | 贵州师范学院 | Reverse osmosis water treatment automatic control system |
Citations (3)
| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115288A (en) * | 2011-01-28 | 2011-07-06 | 吴紫城 | Method and equipment for recycling and treating vehicle cleaning and laundry wastewater |
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Patent Citations (3)
| 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 |
| 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 |
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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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