CN106430472B - A kind of method that big flow adds chlorine dioxide - Google Patents
A kind of method that big flow adds chlorine dioxide Download PDFInfo
- Publication number
- CN106430472B CN106430472B CN201610909296.8A CN201610909296A CN106430472B CN 106430472 B CN106430472 B CN 106430472B CN 201610909296 A CN201610909296 A CN 201610909296A CN 106430472 B CN106430472 B CN 106430472B
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- Prior art keywords
- chlorine
- chlorine dioxide
- amount
- paddy
- water supply
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Classifications
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C02F1/763—Devices for the addition of such compounds in gaseous form
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- 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
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- 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
- C02F2209/29—Chlorine compounds
-
- 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
- C02F2209/38—Gas flow rate
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- 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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
A kind of method that water adds chlorine dioxide in big flow, upper water water supply are divided into peak, paddy, usually；Equipped with two-way chlorine dioxide output channel, the metering pump of equal regulation of series flow on pipeline, chlorine dioxide additive amount when first chlorine dioxide output channel meets the paddy of upper water water supply, second chlorine dioxide output channel meets the usually chlorine dioxide additive amount of upper water water supply, and two-way chlorine dioxide output channel controls the upper limit of residual chlorine amount standard when being fully loaded with the peak for meeting upper water water supply when output.
Description
Technical field
The present invention relates to the methods that water in a kind of addition method of chlorine dioxide, especially big flow adds chlorine dioxide.
Background technique
Liquid volume even water yield is added according to water containing chlorine amount (chlorine residue index) automatic control, this is that water supply industry needs
It solves the problems, such as, chlorine dioxide gives out the smell of slight chlorine, soluble easily in water, ether etc..When stored, chlorine dioxide is gradually
It is decomposed into chlorous acid, chloric acid, chloride ion etc., and since with stronger oxidability, chlorine dioxide can be used as fungicide, i.e.,
The disinfectant of last end production process of tap water.
Water factory needs the method that water adds chlorine dioxide in big flow.Especially adapt to the tap water of 5-100 10,000 tons
The addition method of chlorine dioxide.
Summary of the invention
Object of the present invention is to provide a kind of method that water adds chlorine dioxide in big flow, the present invention is adopted in different periods
With different chlorine residue control parameters, it thereby may be ensured that water in the variation biggish period of increase or reduction, may lag
Chlorine residue control still ensures that the residual chlorine amount of tap water has definite value, guarantees in the range of standard.
The technical scheme is that a kind of method that water adds chlorine dioxide in big flow, it is characterized in that upper water water supply
Be divided into peak, paddy, usually；Equipped with two-way chlorine dioxide output channel, the metering pump of equal regulation of series flow on pipeline, the one or two
Chlorine dioxide additive amount when chlorine monoxid output channel meets the paddy of upper water water supply, the second chlorine dioxide output channel meet upper water
The usually chlorine dioxide additive amount of water supply, when two-way chlorine dioxide output channel is fully loaded with the peak for meeting upper water water supply when output
Control the upper limit of residual chlorine amount standard.
Further, the peak period control residual chlorine amount of upper water water supply is not less than the median or lower bound, upper water of chlorine residue standard
Median of the residual chlorine amount not less than residual chlorine amount standard is controlled when the paddy of water supply or height limits, usually section range restraint residual chlorine amount is mark
Quasi- median.
Further, when the section that peak is converted to usually section and usually to the paddy period, control residual chlorine amount is not less than residual chlorine amount mark
Quasi- lower bound, when the section that paddy converts to usually section and usually to the peak period, height of the control residual chlorine amount not higher than residual chlorine amount standard
Limit.
Further, control residual chlorine amount is to be compared to the titanium dioxide chlorine dose that product water exports, and control dioxy by PLD
Change chlorine output quantity parameter.
The lower bound of chlorine residue control and high limit are respectively 0.5mg/L and 1mg/L.Median handles the centre of lower bound and high limit.
According to the countries concerned's standard, the lower bound of chlorine residue control and high limit 0.5-1mg/L；Related control can of course be set at any time according to standard
Parameter processed.
The device that the chlorine dioxide that the present invention uses adds, the device added include the first and second stirred tanks, with
The raw material storage tank of first and second stirred tanks cooperation, pipeline, pump, metering pump, stirred tank are connected with corresponding raw material storage tank, are stirred
Slot is commonly connected to reactor by pipeline and metering pump, and reactor is equipped with chlorine dioxide output channel, chlorine dioxide efferent duct
Road is equipped with (frequency conversion) output channel, the metering pump that series connection flow is adjusted on pipeline.
Chlorine dioxide output production capacity be by adjustment equipment feed size, i.e., by raw material storage tank export metering pump come
Adjust output.
The utility model has the advantages that four-six times of flows when upper water supply flow is paddy at peak export (even higher), therefore, if
There is two-way chlorine dioxide output channel, the metering pump that flow of connecting on pipeline is adjusted, the first chlorine dioxide output channel meets
Chlorine dioxide additive amount when paddy, usually chlorine dioxide additive amount, two-way chlorine dioxide are defeated for the second chlorine dioxide output channel satisfaction
Pipeline is fully loaded with the upper limit that residual chlorine amount is controlled when meeting peak when output out.
According to the present invention, variation appropriate is made in chlorine dioxide output device, is exported using two road chlorine dioxide to certainly
Water, and what is be segmented control, it is ensured that guarantee the quality of water under conditions of materials'use optimizes, it is especially suitable
Upper method for treating water for big flow.
In addition, according to the present invention, using the existing PID control of metering pump, passing through the variation of setup parameter, it is ensured that slightly
Micro- Delay control still is able to guarantee the chlorine residue control of water, therefore chlorine dioxide is readily controlled in low cost.
Specific embodiment
In the following, detailed description of the present invention preferred embodiment.However, the present invention can embody in different forms, no
It is considered as being only limitted to listed embodiment herein.Disclosed content can be made to originally on the contrary, providing these embodiments
The technical staff in field fully expresses the scope of the present invention.
In embodiment, chlorine dioxide is added in the corresponding tap water for proposing 10 10,000 tons, as 22:30-5 when generally setting paddy:
30, it is 6:30-8:30,17:00-21:00 when peak, remaining period is usually；Unused chlorine residue parameter control is selected in different periods
System strategy (the possible peak valley of Various Seasonal can usually be adjusted)；PLC exports chlorine dioxide according to chlorine residue state modulator metering pump
Output quantity.Control mode uses reliable and stable pid control mode.
Four-six times of flows output (can reach nearly 15 tons of flows per minute) when being paddy when peak, therefore, is equipped with two-way dioxy
Change chlorine output channel, the metering pump for flow adjusting of connecting on pipeline, titanium dioxide when the first chlorine dioxide output channel meets paddy
Chlorine additive amount, the second chlorine dioxide output channel meet usually chlorine dioxide additive amount, and two-way chlorine dioxide output channel is fully loaded
The upper limit of residual chlorine amount is controlled when meeting peak when output.
The output of upper water is divided into four periods, i.e. the peak of water output, paddy, flat, and the peak period controls residual chlorine amount not less than remaining
The lower bound of the not low chlorine residue standard of control residual chlorine amount when the lower bound of chlorine standard, paddy, usually section range restraint residual chlorine amount chlorine residue standard
Median；
When the section that peak is converted to usually section and usually to the paddy period, control residual chlorine amount is not less than the lower bound of chlorine residue standard,
When the section that paddy converts to usually section and usually to the peak period, therefore control residual chlorine amount, passes through not higher than the high limit of chlorine residue standard
Reasonable timesharing area, it is ensured that peak, flat, the uniform chlorination of the timely conversion process of paddy are simultaneously satisfied the criteria.
Control residual chlorine amount is that the amount exported to chlorine dioxide carries out the parameter of PLD control.
According to the countries concerned's standard, the lower bound of chlorine residue control and high limit 0.5-1mg/L；It can of course be set at any time according to standard
Fixed related controling parameter.
The device that chlorine dioxide of the invention adds, described device includes the first and second stirred tanks, with first and second
The raw material storage tank of stirred tank cooperation, pipeline, pump, metering pump, stirred tank are connected with corresponding raw material storage tank, and stirred tank passes through pipeline
It is commonly connected to reactor with metering pump, reactor is equipped with chlorine dioxide output channel, and chlorine dioxide output channel, which is equipped with, (to be become
Frequently output channel), the metering pump that series connection flow is adjusted on pipeline.
Chlorine dioxide output production capacity be by adjustment equipment feed size, i.e., by raw material storage tank export metering pump come
Adjust output.
The raw material storage tank of first and second stirred tanks cooperation, pipeline, pump, metering pump pass through uniform raw material (sub- chlorine respectively
Sour sodium) etc. carry out uniform flow control with water, guarantee the normal concentration of raw material, to guarantee that the concentration of chlorine dioxide output exists
In critical field.
It is equipped with sensor in automatic control system, is sensed using the residual chlorine concentration in the tap water product water of the output of teletransmission
Residual chlorine concentration signal in device on-line checking tap water, unified d. c. voltage signal is converted into the analog signal of transmitter, into
Enter conversion module and carry out analog-to-digital conversion, is changed into the digital signal that PLC can be identified, is compared through the chlorine residue control parameter with setting
Compared with teletransmission is to the control parameter (typically frequency conversion) of metering pump after PLC operation, and the present invention is in different periods using different
Chlorine residue control parameter, altogether there are three residual chlorine amount control parameter as control standard, thereby may be ensured that water is increasing or subtracting
Few variation biggish period, the chlorine residue control that may be lagged still ensure that the residual chlorine amount of tap water has definite value.
Claims (5)
1. a kind of method that water adds chlorine dioxide in big flow, characterized in that when upper water water supply is divided into peak, paddy, puts down three kinds
Section；Equipped with two-way chlorine dioxide output channel, the metering pump of equal regulation of series flow, the first chlorine dioxide output channel on pipeline
Chlorine dioxide additive amount when the paddy of water water supply in satisfaction, the second chlorine dioxide output channel meet usually the two of upper water water supply
Chlorine monoxid additive amount, two-way chlorine dioxide output channel control residual chlorine amount standard when being fully loaded with the peak for meeting upper water water supply when output
The upper limit.
2. according to the method described in claim 1, it is characterized in that the peak period control residual chlorine amount of upper water water supply is not less than chlorine residue
The median or lower bound of standard, upper water water supply paddy when median of the control residual chlorine amount not less than residual chlorine amount standard, usually section
The median of range restraint residual chlorine amount standard.
3. according to the method described in claim 1, it is characterized in that peak converted to section from usually section peace to the paddy period when, control
Residual chlorine amount is not less than the lower bound of residual chlorine amount standard, when the section that paddy convert to usually section peace to the peak period, controls residual chlorine amount not
Higher than the high limit of residual chlorine amount standard.
4. according to the method described in claim 1, it is characterized in that control residual chlorine amount be the titanium dioxide chlorine dose that exports to product water into
Row compares, and controls chlorine dioxide output quantity parameter by PLD.
5. according to the method described in claim 1, it is characterized in that the lower bound of chlorine residue control and high limit be respectively 0.5 mg/L and
1mg/L。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909296.8A CN106430472B (en) | 2016-10-19 | 2016-10-19 | A kind of method that big flow adds chlorine dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909296.8A CN106430472B (en) | 2016-10-19 | 2016-10-19 | A kind of method that big flow adds chlorine dioxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106430472A CN106430472A (en) | 2017-02-22 |
| CN106430472B true CN106430472B (en) | 2019-02-12 |
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| CN201610909296.8A Active CN106430472B (en) | 2016-10-19 | 2016-10-19 | A kind of method that big flow adds chlorine dioxide |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010167375A (en) * | 2009-01-23 | 2010-08-05 | Shinmeiwa:Kk | Method and apparatus of manufacturing residual effective chlorine-containing water for sterilization |
| CN202379729U (en) * | 2011-12-02 | 2012-08-15 | 江苏普海生化科技有限公司 | Device for adding chlorine dioxide |
| JP2013144281A (en) * | 2012-01-16 | 2013-07-25 | Kobelco Eco-Maintenance Co Ltd | Supply device, device for manufacturing tap water including sodium hypochlorite, and method for manufacturing tap water including sodium hypochlorite |
| CN203532219U (en) * | 2013-09-06 | 2014-04-09 | 南京工程学院 | Intelligent control system of chlorine dioxide generator based on electromagnetic pump |
| CN105461030B (en) * | 2015-12-10 | 2018-01-09 | 中国灌溉排水发展中心 | Pipe network microbial safety safeguards system and method during water supply project disinfection by ultraviolet light |
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| CN106430472A (en) | 2017-02-22 |
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Effective date of registration: 20200320 Address after: 215 Nantang Road, Nanyao community, Anyi Town, Baoying County, Yangzhou City, Jiangsu Province Patentee after: Jiangsu Jiahai Biotechnology Co.,Ltd. Address before: 201816, B District, No. 3, building 333, Hua Gao Road, Huating Town, Shanghai, Jiading District, China Patentee before: SHANGHAI PU JI BIOTECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230830 Address after: 3A06, 4th Floor, Hengbang Land Building, No. 3089 Qiaoxiang Road, Xiangling Community, Xiangmihu Street, Futian District, Shenzhen City, Guangdong Province, 518000 (one photo multi site enterprise) Patentee after: Shenzhen Daqi disinfection New Technology Co.,Ltd. Address before: No. 215 Nantang Road, Nanyao Community, Anyi Town, Baoying County, Yangzhou City, Jiangsu Province, 225800 Patentee before: Jiangsu Jiahai Biotechnology Co.,Ltd. |
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