CN105948315A - Online water quality monitoring and treating system for circulating water of fully-automatic cooling tower - Google Patents
Online water quality monitoring and treating system for circulating water of fully-automatic cooling tower Download PDFInfo
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- CN105948315A CN105948315A CN201610364754.4A CN201610364754A CN105948315A CN 105948315 A CN105948315 A CN 105948315A CN 201610364754 A CN201610364754 A CN 201610364754A CN 105948315 A CN105948315 A CN 105948315A
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- China
- Prior art keywords
- signal
- water quality
- circulating water
- control signal
- dosing pump
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- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000001816 cooling Methods 0.000 title abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 230000000875 corresponding Effects 0.000 claims abstract description 5
- 238000005260 corrosion Methods 0.000 claims description 29
- 238000005429 turbidity Methods 0.000 claims description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 230000000844 anti-bacterial Effects 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 235000011149 sulphuric acid Nutrition 0.000 claims description 12
- 239000001117 sulphuric acid Substances 0.000 claims description 12
- 239000003112 inhibitor Substances 0.000 claims description 11
- 230000002401 inhibitory effect Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 229940079593 drugs Drugs 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000003134 recirculating Effects 0.000 description 1
- 230000000087 stabilizing Effects 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000000576 supplementary Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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]
- C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas
-
- 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
- C02F2209/04—Oxidation reduction potential [ORP]
-
- 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
- C02F2209/05—Conductivity or salinity
-
- 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
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- 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
- C02F2209/11—Turbidity
-
- 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
- C02F2209/40—Liquid flow rate
-
- 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
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Abstract
The invention discloses an online water quality monitoring and treating system for circulating water of a fully-automatic cooling tower. The online water quality monitoring and treating system comprises a signal acquisition unit, a PLC unit and an operation unit, wherein the signal acquisition unit is used for acquiring various water quality signals of the circulating water of the cooling tower and outputting the various water quality signals; the PLC unit is used for outputting corresponding control signals and alarm signals according to the received water quality signals; the operation unit is used for realizing automatic pollution discharge and automatic adding of various corresponding chemical agents according to the various received control signals. The online water quality monitoring and treating system can effectively improve the operation stability of the circulating water.
Description
Technical field
The present invention relates to water treatment field, the water quality monitoring particularly relating to cooling-tower circulating water processes.
Background technology
At present, world is creating the guidance standard of sustainable development, with the non-renewable resources preserved our planet.
Water is one of our the most valuable resource.Cooling tower recirculating cooling water system, no matter its scale or be designed with why not with,
The most all can run into many challenges.Fouling, burn into deposition and biological self reproducing etc. all can bring threat
And cost allowance, totally different supplementary Hydrochemical Composition may be caused then to allow problem more complicated.
Therefore, monitor the abnormal conditions such as the fouling of water quality, corrosion and biofouling, and make adequate measure dimension in time
Protect water quality, improve stable, the safety of cooling system, be a significant challenge of those skilled in the art.
Summary of the invention
It is an object of the invention to provide monitoring water quality on line and the processing system of a kind of full-automatic cooling-tower circulating water,
It is effectively improved the operation stability of recirculated water.
The technical scheme realizing above-mentioned purpose is:
The monitoring water quality on line of a kind of full-automatic cooling-tower circulating water and processing system, including:
Signal gathering unit, gathers the various water quality signals of cooling-tower circulating water and exports；
PLC (programmable logic controller (PLC)) unit, exports the control of various correspondences according to each water quality signal received
Signal and alarm signal；And
Operation running unit, realizes automatic pollution discharge and various corresponding chemical agent according to the various control signals received
Automatic feeding.
In the monitoring water quality on line and processing system of above-mentioned full-automatic cooling-tower circulating water, described signals collecting list
Unit includes:
Gather recirculated water PH (acid-base value) value and export the PH analyser of PH signal；
Gather recirculated water ORP (oxidation-reduction potential) value and export the ORP analyser of ORP signal；
Gather recirculated water conductivity value the conductivity analyzer of output conductance rate signal；
Detect turbidity of circulating water situation and export the turbidity analyser of turbid ity signal；
Detect discharge situation and export the electromagnetic flowmeter of water flow signal；And
Detect the fluid level condition of each storage tank and export the liquidometer of liquid level signal；
Wherein,
Described PLC unit is according to PH signal output sulphuric acid metering pump control signal；
Described PLC unit exports antibacterial dosing pump control signal according to ORP signal；
Described PLC unit exports blowoff valve control signal according to conductivity signal；
Described PLC unit exports turbidity alarm signal according to turbid ity signal；
Described PLC unit exports anti-incrustation corrosion inhibitor dosing pump control signal according to water flow signal；
Described PLC unit exports liquid level warning signal according to liquid level signal.
In the monitoring water quality on line and processing system of above-mentioned full-automatic cooling-tower circulating water, described operation runs single
Unit includes:
Carry out opening/closing, to realize the sulphuric acid dosing pump of sulphuric acid automatic feeding according to sulphuric acid metering pump control signal；
Carry out opening/closing according to antibacterial dosing pump control signal, to realize the antibacterial metering of antibacterial automatic feeding
Pump；
Carry out opening/closing according to blowoff valve control signal, to realize the blowoff valve that automatic pollution discharge controls；
Carry out opening/closing according to anti-incrustation corrosion inhibitor dosing pump control signal, to realize the resistance of anti-incrustation corrosion inhibitor automatic feeding
Dirt corrosion inhibiter dosing pump.
In the monitoring water quality on line and processing system of above-mentioned full-automatic cooling-tower circulating water, described PLC unit is also
Exporting quantitative corrosion inhibiter dosing pump control signal according to time programming, described operation running unit also includes: according to fixed
Amount corrosion inhibiter dosing pump control signal carries out opening/closing, to realize in terms of the quantitative corrosion inhibiter that corrosion inhibiter adds at regular time and quantity
Amount pump.
In the monitoring water quality on line and processing system of above-mentioned full-automatic cooling-tower circulating water, described full-automatic cooling
Monitoring water quality on line and the processing system of tower recirculated water also include:
Reception turbidity alarm signal or liquid level warning signal carry out the warning system reported to the police；
Communication network；
The remote control terminal of remote interaction is carried out by described communication network and described PLC unit.
The invention has the beneficial effects as follows: the present invention by real time on-line monitoring, control chemicals dosage detect,
The control of the fouling, corrosion and the microorganism that determine and improve in cooling system, effectively guarantee cooling system stable,
Efficiently and safety, the operation stability of recirculated water is improved.Further, fouling is farthest controlled by help, from
And can farthest improve the cycles of concentration of recirculated water, it is achieved water saving.Owing to it greatly improves drug concentration
Precise control, it is to avoid excess adds medicament and prevents corrosion and the generation of the problem such as fouling.By data record,
And carry out data analysis, understand the control variation tendency of medicament in time, instruct regular job.Due to monitoring automatically
Drug concentration, decreases manual analysis frequency and number of times, reduces manual work's amount.And it is possible to realize remotely examining
Disconnected and long-range control.
Accompanying drawing explanation
Fig. 1 is monitoring water quality on line and the structure chart of processing system of the full-automatic cooling-tower circulating water of the present invention；
Fig. 2 is monitoring water quality on line and the operation principle of processing system of the full-automatic cooling-tower circulating water of the present invention
Figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, the monitoring water quality on line of the full-automatic cooling-tower circulating water of the present invention and processing system, including
Signal gathering unit 1, PLC unit 2, operation running unit 3, communication network 4, remote control terminal 5 and warning
System 6.
Signal gathering unit 1 gathers the various water quality signals of cooling-tower circulating water and exports to PLC unit 2.PLC
Unit 2 exports control signal and the alarm signal of various correspondences according to each water quality signal received.Operation running unit
3 realize automatic pollution discharge and the automatic feeding of various corresponding chemical agent according to the various control signals received.
Specifically, in conjunction with Fig. 2, signal gathering unit 1 includes: PH analyser 11, ORP analyser 12, electricity
Conductance analyser 13, turbidity analyser 14, electromagnetic flowmeter 15 and liquidometer 16.Operation running unit 3 is wrapped
Include: sulphuric acid dosing pump 31, antibacterial dosing pump 32, blowoff valve 33, anti-incrustation corrosion inhibitor dosing pump 34 and quantitatively
Corrosion inhibiter dosing pump 35.In figure, cooling tower 7 is as deposit recirculated water and the container adding chemicals.
PH analyser 11 gathers circulating water PH value and exports PH signal, and PLC unit 2 exports sulfur according to PH signal
Acid dosing pump control signal, sulphuric acid dosing pump 31 (contrasts pH set in advance according to sulphuric acid metering pump control signal
Value upper limit set value and downward controlling value) carry out opening/closing, to realize sulphuric acid (50% aqueous sulfuric acid) automatic feeding.
Dosing water treatment technology can be made to meet the service requirement under more high concentration multiple, it is possible to realize being upgraded to without phosphorus medicine in the future
Acid adding condition requirement under agent operation process.
ORP analyser 12 gathers recirculated water ORP value and exports ORP signal, and PLC unit 2 is defeated according to ORP signal
Going out antibacterial dosing pump control signal, (contrast is pre-according to antibacterial dosing pump control signal for antibacterial dosing pump 32
The ORP lower limit set value first set and rise controlling value) carry out opening/closing, to realize antibacterial automatic feeding.
Conductivity analyzer 13 gathers recirculated water conductivity value output conductance rate signal, and PLC unit 2 is according to electricity
Conductance signal output blowoff valve control signal, blowoff valve 33 (contrasts set in advance according to blowoff valve control signal
Electrical conductivity higher limit and downward controlling value) carry out opening/closing, to realize automatic pollution discharge control, stabilizing water quality.
Turbidity analyser 14 detects turbidity of circulating water situation and exports turbid ity signal, and PLC unit 2 is believed according to turbidity
Number output turbidity alarm signal report to the police to warning system 6.
Electromagnetic flowmeter 15 detects discharge situation and exports water flow signal, and PLC unit 2 is believed according to discharge
Number output anti-incrustation corrosion inhibitor dosing pump control signal, anti-incrustation corrosion inhibitor dosing pump 34 is according to anti-incrustation corrosion inhibitor dosing pump
Control signal carries out opening/closing, and controls in proportion to add frequency, and range of metering pump amount is manually carried out as required in advance
Adjust (typically need not adjust during stable operation), to realize anti-incrustation corrosion inhibitor automatic feeding.
Liquidometer 16 detects the fluid level condition of each storage tank and exports liquid level signal, and PLC unit 2 is according to liquid level signal
Output liquid level warning signal is reported to the police to warning system 6, or associates with other equipment, stops during the lowest liquid level
Only Teat pipette is to prevent dosing pump sky from beating.
PLC unit 2 exports quantitative corrosion inhibiter dosing pump control signal always according to time programming, and quantitative corrosion inhibiter measures
Pump 35 carries out opening/closing according to quantitative corrosion inhibiter dosing pump control signal, adds at regular time and quantity realizing corrosion inhibiter.
PLC unit 2 carries out remote interaction by communication network 4 and remote control terminal 5.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology of technical field
Personnel, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or modification, therefore
The technical scheme of all equivalents also should belong to scope of the invention, should be limited by each claim.
Claims (5)
1. the monitoring water quality on line of a full-automatic cooling-tower circulating water and processing system, it is characterised in that including:
Signal gathering unit, gathers the various water quality signals of cooling-tower circulating water and exports；
PLC unit, exports control signal and the alarm signal of various correspondences according to each water quality signal received；And
Operation running unit, realizes automatic pollution discharge and various corresponding chemical agent according to the various control signals received
Automatic feeding.
The monitoring water quality on line of full-automatic cooling-tower circulating water the most according to claim 1 and processing system,
It is characterized in that, described signal gathering unit includes:
Gather circulating water PH value and export the PH analyser of PH signal；
Gather recirculated water ORP value and export the ORP analyser of ORP signal；
Gather recirculated water conductivity value the conductivity analyzer of output conductance rate signal；
Detect turbidity of circulating water situation and export the turbidity analyser of turbid ity signal；
Detect discharge situation and export the electromagnetic flowmeter of water flow signal；And
Detect the fluid level condition of each storage tank and export the liquidometer of liquid level signal；
Wherein,
Described PLC unit is according to PH signal output sulphuric acid metering pump control signal；
Described PLC unit exports antibacterial dosing pump control signal according to ORP signal；
Described PLC unit exports blowoff valve control signal according to conductivity signal；
Described PLC unit exports turbidity alarm signal according to turbid ity signal；
Described PLC unit exports anti-incrustation corrosion inhibitor dosing pump control signal according to water flow signal；
Described PLC unit exports liquid level warning signal according to liquid level signal.
The monitoring water quality on line of full-automatic cooling-tower circulating water the most according to claim 2 and processing system,
It is characterized in that, described operation running unit includes:
Carry out opening/closing, to realize the sulphuric acid dosing pump of sulphuric acid automatic feeding according to sulphuric acid metering pump control signal；
Carry out opening/closing according to antibacterial dosing pump control signal, to realize the antibacterial metering of antibacterial automatic feeding
Pump；
Carry out opening/closing according to blowoff valve control signal, to realize the blowoff valve that automatic pollution discharge controls；
Carry out opening/closing according to anti-incrustation corrosion inhibitor dosing pump control signal, to realize the resistance of anti-incrustation corrosion inhibitor automatic feeding
Dirt corrosion inhibiter dosing pump.
The monitoring water quality on line of full-automatic cooling-tower circulating water the most according to claim 3 and processing system,
It is characterized in that, described PLC unit exports quantitative corrosion inhibiter dosing pump control signal always according to time programming, described
Operation running unit also includes: carry out opening/closing, to realize corrosion inhibiter according to quantitative corrosion inhibiter dosing pump control signal
The quantitative corrosion inhibiter dosing pump added at regular time and quantity.
The monitoring water quality on line of full-automatic cooling-tower circulating water the most according to claim 2 and processing system,
It is characterized in that, monitoring water quality on line and the processing system of described full-automatic cooling-tower circulating water also include:
Reception turbidity alarm signal or liquid level warning signal carry out the warning system reported to the police；
Communication network；
The remote control terminal of remote interaction is carried out by described communication network and described PLC unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364754.4A CN105948315A (en) | 2016-05-27 | 2016-05-27 | Online water quality monitoring and treating system for circulating water of fully-automatic cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364754.4A CN105948315A (en) | 2016-05-27 | 2016-05-27 | Online water quality monitoring and treating system for circulating water of fully-automatic cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105948315A true CN105948315A (en) | 2016-09-21 |
Family
ID=56909998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610364754.4A Pending CN105948315A (en) | 2016-05-27 | 2016-05-27 | Online water quality monitoring and treating system for circulating water of fully-automatic cooling tower |
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| CN (1) | CN105948315A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803318A (en) * | 2018-05-25 | 2018-11-13 | 广州市合信方园工业设备有限公司 | A kind of recirculated water scale removal cleaning machine control method and system |
| CN110088559A (en) * | 2016-11-03 | 2019-08-02 | 赛高股份公司 | Cooling tower adjusting method and system |
| CN111392878A (en) * | 2020-03-04 | 2020-07-10 | 西安理工大学 | Circulating water quality effect on-line monitoring and automatic dosing system |
| CN112279326A (en) * | 2020-11-09 | 2021-01-29 | 洛阳强龙实业有限公司 | Online water quality monitoring and dosing control system |
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| CN204945747U (en) * | 2015-08-08 | 2016-01-06 | 秦勇 | A kind of Full-automatic water quality control treatment system of industrial circulating cooling water |
| US20160044926A1 (en) * | 2010-11-16 | 2016-02-18 | Michael J. Peters | Electrolytic system and method for generating biocides having an electron deficient carrier fluid and chlorine dioxide |
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2016
- 2016-05-27 CN CN201610364754.4A patent/CN105948315A/en active Pending
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| US20160044926A1 (en) * | 2010-11-16 | 2016-02-18 | Michael J. Peters | Electrolytic system and method for generating biocides having an electron deficient carrier fluid and chlorine dioxide |
| CN201892864U (en) * | 2010-11-18 | 2011-07-06 | 金红玲 | System for controlling water quality of circulating water |
| CN204737824U (en) * | 2015-05-26 | 2015-11-04 | 河南中联节能工程有限公司 | Cogeneration circulating water water conservation technology control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110088559A (en) * | 2016-11-03 | 2019-08-02 | 赛高股份公司 | Cooling tower adjusting method and system |
| CN108803318A (en) * | 2018-05-25 | 2018-11-13 | 广州市合信方园工业设备有限公司 | A kind of recirculated water scale removal cleaning machine control method and system |
| CN108803318B (en) * | 2018-05-25 | 2021-07-06 | 广州市合信方园工业设备有限公司 | Control method and system for circulating water descaling cleaner |
| CN111392878A (en) * | 2020-03-04 | 2020-07-10 | 西安理工大学 | Circulating water quality effect on-line monitoring and automatic dosing system |
| CN112279326A (en) * | 2020-11-09 | 2021-01-29 | 洛阳强龙实业有限公司 | Online water quality monitoring and dosing control system |
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Application publication date: 20160921 |
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