CN112279326A - Online water quality monitoring and dosing control system - Google Patents
Online water quality monitoring and dosing control system Download PDFInfo
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- CN112279326A CN112279326A CN202011240870.8A CN202011240870A CN112279326A CN 112279326 A CN112279326 A CN 112279326A CN 202011240870 A CN202011240870 A CN 202011240870A CN 112279326 A CN112279326 A CN 112279326A
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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
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F1/72—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
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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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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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
- 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
- C02F2103/023—Water in cooling circuits
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/04—Oxidation reduction potential [ORP]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/29—Chlorine compounds
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
Abstract
The invention discloses an online water quality monitoring and dosing control system, and relates to the field of water source quality detection and control equipment. The system comprises a sample corrosion index monitoring unit communicated with a monitoring system, a water pollution degree monitoring unit communicated with a PLC and a sample unit used for providing a water sample for the monitoring system, wherein the monitoring system is communicated with a signal input end of the PLC; the purposes of monitoring the water quality in real time and correspondingly adjusting the water quality of the cooling circulating water are achieved.
Description
Technical Field
The invention relates to the field of water source quality detection and control equipment, in particular to an online water quality monitoring and dosing control system.
Background
In the water quality environment monitoring industry, the prevention of data counterfeiting and the guarantee of data quality are important problems, so that various water quality online quality control instruments are produced at the same time. Compared with manual analysis, the quality control means of the water quality on-line monitoring equipment has timeliness and high efficiency.
In order to ensure that quality management and control of water quality monitoring achieve the public credibility of water quality monitoring, whether the original water quality monitor works normally is accurately judged by a quality control and standard adding recovery method. Among the prior art, quality of water on-line monitoring equipment's control system generally extracts reagent through the combination of syringe pump and multi-way valve to accomplish dynamic quality control and add the mark and retrieve, but the syringe pump is with high costs, and integrated bulky uses the later stage moreover and can have the body corroded, there is the bubble scheduling problem in liquid pipeline seepage, the inner chamber, influences the judgement whether normal to quality of water on-line monitoring equipment work.
And after the water quality detection is finished, the water quality is inevitably required to be adjusted, particularly the quality of circulating water in a chemical plant, if the quality of the cooling circulating water has problems such as containing a large amount of corrosive media, serious potential safety hazards can be caused in the using process of the circulating water, the cooling circulating water pipe is damaged slightly to cause economic loss, and the personal safety of workers in the plant is seriously influenced.
In summary, a system capable of monitoring the quality of cooling water in a chemical plant in real time and adjusting the quality of the cooling water is urgently needed, so that on one hand, the chemical plant is ensured not to cause serious economic loss due to the breakdown of a cooling circulating water system, and on the other hand, the situation that the personal safety of workers is affected due to the breakdown of the cooling circulating water system can be effectively avoided.
Disclosure of Invention
The invention aims to provide an on-line water quality monitoring and dosing control system to achieve the purposes of monitoring water quality in real time and correspondingly adjusting the water quality of cooling circulating water.
In order to solve the problems, the invention adopts the following technical means:
an on-line water quality monitoring and dosing control system, comprising: the monitoring system is communicated with a signal input end of the PLC, a signal output end of the PLC is communicated with a metering pump communicated with a medicine storage tank, and a medicine outlet end of the metering pump is communicated with a cooling water tank;
the sample unit comprises a quantitative water path for conveying liquid, and the quantitative water path is communicated with a cooling water return end of the cooling water pool and is used for pumping return water into the cooling water pool;
the sample corrosion index monitoring unit and the water quality pollution degree monitoring unit are both arranged on a drainage waterway communicated with the quantitative waterway, and the downstream end of the drainage waterway is communicated with the cooling water pool;
the sample corrosion index monitoring unit comprises a flow switch, a pH analyzer, an ORP analyzer and a conductivity analyzer which are respectively in signal communication with the monitoring system, the passing data of the sample flowing through the leakage water path is output to the monitoring system, and the monitoring system outputs an output signal to the PLC;
the water quality pollution degree monitoring unit comprises a residual chlorine analyzer, a fluorescence analyzer and a turbidity analyzer which are respectively in signal communication with the PLC, and the data of the sample flowing through the drainage waterway is transmitted to the PLC;
and after the PLC collects the water quality data of the sample water flow, the PLC controls a metering pump communicated with the medicine storage tank to pump the medicine in the medicine storage tank out and discharge the medicine into the cooling water pool.
Preferably, the signal output end of the PLC is respectively communicated with a plurality of metering pumps, each metering pump is respectively communicated with one medicine storage tank, and each medicine storage tank comprises a concentrated sulfuric acid medicine storage tank, an oxidation type biocide medicine storage tank and a scale and corrosion inhibitor medicine storage tank.
Furthermore, the signal output end of the signal output passage corresponding to the PLC and the conductivity analyzer is in signal communication with a sewage pump arranged at the drainage section of the cooling water pool.
Still further, medicine storage tank intercommunication has the medicine passageway and adds the medicine passageway, the measuring pump is installed add on the medicine passageway, it advances the medicine pump of medicine end and drug material intercommunication to install on the medicine passageway, it is located to supply the medicine passageway first check valve is installed to the downstream side of medicine pump, still install the level gauge on the medicine storage tank.
Furthermore, the dosing channel comprises a first main path communicated with the medicine storage tank, a first branch path and a second branch path are connected in parallel at the downstream end of the first main path, the first branch path and the downstream end of the second branch path are converged and communicated with the second main path, the downstream end of the second main path is communicated with the cooling water tank, and the metering pumps are respectively installed on the first branch path and the second branch path.
Furthermore, the first main path is provided with a Y-shaped filter, the first branch path and the second branch path are provided with safety valves and communicated with the drainage ditch through the safety valves, and the second main path is provided with a damper, a back pressure valve and a second check valve in sequence along the flowing direction of the medicine.
Furthermore, the medicine supply passage, the first main passage, the first branch passage, the second branch passage and the second main passage are all provided with manual ball valves, at least one manual ball valve is arranged on the upstream side of the medicine supply pump, and at least one manual ball valve is arranged on the downstream side of the second check valve.
The invention has the following beneficial effects in the using process:
the water sample of the cooling circulating water backwater is detected through a pH analyzer, an ORP analyzer, a conductivity analyzer, a residual chlorine analyzer, a fluorescence analyzer and a turbidity analyzer, namely the water quality of the water sample is the same as that of the cooling circulating water system, so that the cooling water entering the cooling water circulating system can be accurately detected; simultaneously, after detecting the water quality change in the cooling water pool, can be through the work of control metering pump, carry the medicine in the medicine storage tank to the cooling water pool, and then improve the quality of water of cooling water in the cooling water pool, can be safer when letting it get into cooling water circulation system.
Drawings
FIG. 1 is a schematic diagram of the principle process flow of the water quality detecting system of the present invention.
FIG. 2 is a schematic view of the principle process of the dosing system of the present invention.
Wherein, 1-monitoring system, 2-sample corrosion index monitoring unit, 3-PLC, 4-water pollution degree monitoring unit, 5-medicine storage tank, 6-metering pump, 7-cooling water pool, 8-cooling water return end, 9-flow switch, 10-pH analyzer, 11-ORP analyzer, 12-conductivity analyzer, 13-residual chlorine analyzer, 14-fluorescence analyzer, 15-turbidity analyzer, 16-medicine supply pump, 17-first check valve, 18-liquid level meter, 19-Y type filter, 20-safety valve, 21-drainage ditch, 22-damper, 23-back pressure valve, 24-second check valve.
Detailed Description
Specifically, referring to fig. 1 and 2, an on-line water quality monitoring and chemical feeding control system includes: the monitoring system comprises a sample corrosion index monitoring unit 2 communicated with a monitoring system 1, a water pollution degree monitoring unit 4 communicated with a PLC3 and a sample unit used for providing a water sample for the monitoring system, wherein the monitoring system 1 is communicated with a signal input end of the PLC3, a signal output end of the PLC3 is communicated with a metering pump 6 communicated with a medicine storage tank 5, and a medicine outlet end of the metering pump 6 is communicated with a cooling water tank 7;
the sample unit comprises a quantitative water path for conveying liquid, and the quantitative water path is communicated with a cooling water return end 8 of the cooling water pool 7 and is used for pumping return water;
the sample corrosion index monitoring unit 2 and the water quality pollution degree monitoring unit 4 are both arranged on a drainage waterway communicated with the quantitative waterway, and the downstream end of the drainage waterway is communicated with the cooling water tank 7;
the sample corrosion index monitoring unit 2 comprises a flow switch 9, a pH analyzer 10, an ORP analyzer 11 and a conductivity analyzer 12 which are respectively in signal communication with the monitoring system 1, passing data of a sample flowing through the leakage water path is output to the monitoring system 1, and the monitoring system 1 outputs an output signal to the PLC 3;
the water quality pollution degree monitoring unit 4 comprises a residual chlorine analyzer 13, a fluorescence analyzer 14 and a turbidity analyzer 15 which are respectively in signal communication with the PLC3, and the passing data of the sample flowing through the drainage waterway is transmitted to the PLC 3;
after collecting the water quality data of the sample water flow, the PLC3 controls the metering pump 6 communicated with the medicine storage tank 5 to pump the medicines in the medicine storage tank 5 out and discharge the medicines into the cooling water pool 7.
The water sample of the cooling circulating water backwater is detected through a pH analyzer 10, an ORP analyzer 11, a conductivity analyzer 12, a residual chlorine analyzer 13, a fluorescence analyzer 14 and a turbidity analyzer 15, that is, the water quality of the water sample is the same as that of the cooling circulating water system, so that the cooling water entering the cooling water circulating system can be accurately detected; meanwhile, after the change of the water quality in the cooling water tank 7 is detected, the medicine in the medicine storage tank 5 can be conveyed to the cooling water tank 7 by controlling the operation of the metering pump 6, so that the water quality of the cooling water in the cooling water tank 7 is improved, and the cooling water can enter the cooling water circulation system more safely.
Specifically, the residual chlorine analyzer 13 is adopted to detect the concentration of the scale and corrosion inhibitor, data are transmitted to the PLC3, and when the concentration of the scale and corrosion inhibitor is lower than a set value, a signal is output to increase the dosage of the metering pump 6 for controlling the scale and corrosion inhibitor; when the detected concentration is lower than the set lower limit, outputting a signal to enable the metering pump 6 to be in the maximum dosage; when the concentration of the detected medicament is higher than the set value, the output signal reduces the dosage of the metering pump 6; when the concentration of the detected medicament is higher than the upper limit of the set value, the output signal closes the metering pump 6.
Then, the signal collected by the conductivity analyzer 12 is used for controlling the opening of the blowdown valve by using the PLC3, so as to achieve the purpose of automatic blowdown.
Meanwhile, the signal collected by the ORP analyzer 11 is used for controlling the adding of the oxidation type biocide, specifically, the free chlorine is maintained to be 0.1 mg/L-0.5 mg/L. When sodium hypochlorite is used; when the concentration of the monitoring agent is lower than a set value, a metering pump 6 for delivering the oxidation type biocide is controlled by utilizing an output signal of the PLC3, and the dosage of the metering pump 6 is increased; when the concentration of the monitored medicament is lower than the set lower limit, the metering pump 6 reaches the maximum dosage; when the concentration of the monitored medicament is higher than a set value, the dosage of the metering pump 6 is reduced; and when the concentration of the monitored medicament is higher than the set upper limit, stopping adding the medicament into the metering pump 6.
Meanwhile, for a circulating water system adopting an acid-adding water treatment scheme, a pH analyzer 10 is used for acquiring a pH signal of circulating water, and when the pH is lower than a set value, the acid adding amount of a metering pump 6 for delivering concentrated sulfuric acid is reduced; when the pH is lower than the set lower limit, stopping adding acid into the metering pump 6; when the pH value is higher than a set value, the acid adding amount of the metering pump 6 is increased; when the pH is above the set upper limit, the metering pump 6 reaches a maximum amount of acid addition.
Meanwhile, the flow opening flow velocity range is 0 m/s-1.5 m/s, and the measurement precision is as follows: . + -. 0.1 m/s.
Furthermore, the signal output end of the PLC3 is respectively communicated with a plurality of metering pumps 6, each metering pump 6 is respectively communicated with one medicine storage tank 5, and the medicine storage tanks 5 comprise concentrated sulfuric acid medicine storage tanks 5, oxidation type biocide medicine storage tanks 5 and scale and corrosion inhibitor medicine storage tanks 5.
Furthermore, the signal output end of the signal output channel corresponding to the PLC3 and the conductivity analyzer 12 is in signal communication with a sewage pump arranged at the drainage section of the cooling water tank 7.
Then, medicine storage tank 5 intercommunication has the medicine passageway of supplying and adds the medicine passageway, measuring pump 6 is installed add on the medicine passageway, supply to install on the medicine passageway and advance medicine pump 16 of medicine end and drug raw materials intercommunication, it is located to supply the medicine passageway first check valve 17 is installed to the downstream side of medicine pump 16, still install level gauge 18 on medicine storage tank 5.
The drug supply pump 16 is a diaphragm type metering pump 6, the flow regulation range is 10-100%, the whole-process tracking regulation can be realized in the range of 0-100%, and the stroke length and the speed can be automatically regulated by receiving external 4-20 mA signals; a safety shield for preventing materials from splashing is arranged.
Meanwhile, the medicine adding channel comprises a first main path communicated with the medicine storage tank 5, a first branch path and a second branch path are connected in parallel at the downstream end of the first main path, the first branch path and the downstream end of the second branch path are converged and communicated with the second main path, the downstream end of the second main path is communicated with the cooling water tank 7, and the metering pumps 6 are respectively installed on the first branch path and the second branch path.
Through the setting of first branch road and second branch road like this, can effectually avoid when one of them branch road trouble back, the condition that can't add the medicine appears.
Further, the Y-filter 19 is installed on the first main path, the safety valve 20 is installed on each of the first branch path and the second branch path, and each of the first branch path and the second branch path communicates with the drainage groove 21 through the safety valve 20, and the damper 22, the back pressure valve 23, and the second check valve 24 are sequentially installed on the second main path in a direction in which the medicine flows.
The medicine supply passage, the first main passage, the first branch passage, the second branch passage and the second main passage are all provided with manual ball valves, at least one manual ball valve is arranged on the upstream side of the medicine supply pump 16, and at least one manual ball valve is arranged on the downstream side of the second check valve.
Claims (7)
1. The utility model provides an online water quality monitoring and medicine control system which characterized in that includes: the system comprises a sample corrosion index monitoring unit (2) communicated with a monitoring system (1), a water pollution degree monitoring unit (4) communicated with a PLC (3) and a sample unit used for providing a water sample for the monitoring system, wherein the monitoring system (1) is communicated with a signal input end of the PLC (3), a signal output end of the PLC (3) is communicated with a metering pump (6) communicated with a medicine storage tank (5), and a medicine outlet end of the metering pump (6) is communicated with a cooling water tank (7);
the sample unit comprises a quantitative water path for conveying liquid, and the quantitative water path is communicated with a cooling water return end (8) of the cooling water pool (7) and is used for pumping return water into the cooling water return end;
the sample corrosion index monitoring unit (2) and the water quality pollution degree monitoring unit (4) are both arranged on a drainage waterway communicated with the quantitative waterway, and the downstream end of the drainage waterway is communicated with the cooling water pool (7);
the sample corrosion index monitoring unit (2) comprises a flow switch (9), a pH analyzer (10), an ORP analyzer (11) and a conductivity analyzer (12) which are respectively in signal communication with the monitoring system (1), passing data of a sample flowing through the leakage water path is output to the monitoring system (1), and the monitoring system (1) outputs an output signal to the PLC (3);
the water quality pollution degree detection unit comprises a residual chlorine analyzer (13), a fluorescence analyzer (14) and a turbidity analyzer (15) which are respectively in signal communication with the PLC (3), and the passing data of the sample flowing through the drainage waterway is transmitted to the PLC (3);
after collecting the water quality data of the sample water flow, the PLC (3) controls a metering pump (6) communicated with the medicine storage tank (5), and the medicine in the medicine storage tank (5) is pumped out and discharged into the cooling water pool (7).
2. The on-line water quality monitoring and dosing control system according to claim 1, characterized in that: the signal output part of PLC (3) is respectively with a plurality of measuring pump (6) intercommunication every measuring pump (6) communicate with a medicine storage tank (5) respectively, medicine storage tank (5) include concentrated sulfuric acid medicine storage tank (5), oxidation type biocide medicine storage tank (5) and antisludging corrosion inhibitor medicine storage tank (5).
3. The on-line water quality monitoring and dosing control system according to claim 1, characterized in that: and the signal output end of a signal output passage corresponding to the PLC (3) and the conductivity analyzer (12) is in signal communication with a sewage pump arranged at the drainage section of the cooling water pool (7).
4. The on-line water quality monitoring and dosing control system according to claim 1, characterized in that: medicine storage tank (5) intercommunication has the medicine passageway of supplying and adds the medicine passageway, install metering pump (6) add on the medicine passageway, supply to install on the medicine passageway and advance medicine pump (16) of medicine end and medicine raw materials intercommunication, it is located to supply the medicine passageway the downstream side of supplying medicine pump (16) is installed first check valve (17), still install level gauge (18) on medicine storage tank (5).
5. The on-line water quality monitoring and dosing control system according to claim 4, characterized in that: the medicine adding channel comprises a first main path communicated with the medicine storage tank (5), a first branch path and a second branch path are connected in parallel at the downstream end of the first main path, the first branch path and the downstream end of the second branch path are converged and communicated with the second main path, the downstream end of the second main path is communicated with the cooling water tank (7), and the metering pumps (6) are respectively installed on the first branch path and the second branch path.
6. The on-line water quality monitoring and dosing control system according to claim 5, characterized in that: the first main path is provided with a Y-shaped filter (19), the first branch path and the second branch path are provided with safety valves (20) respectively, the safety valves (20) are communicated with a drainage ditch (21), and the second main path is provided with a damper (22), a back pressure valve (23) and a second check valve (24) in sequence along the flow direction of the medicine.
7. The on-line water quality monitoring and dosing control system according to claim 6, characterized in that: the medicine supply passage, the first main passage, the first branch passage, the second branch passage and the second main passage are all provided with manual ball valves, at least one manual ball valve is arranged on the upstream side of the medicine supply pump (16), and at least one manual ball valve is arranged on the downstream side of the second check valve (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240870.8A CN112279326A (en) | 2020-11-09 | 2020-11-09 | Online water quality monitoring and dosing control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240870.8A CN112279326A (en) | 2020-11-09 | 2020-11-09 | Online water quality monitoring and dosing control system |
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| CN112279326A true CN112279326A (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275863A (en) * | 2021-12-29 | 2022-04-05 | 贵州师范学院 | Automatic control system and method for water treatment of thermal sterilization kettle |
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| GB8416966D0 (en) * | 1982-11-04 | 1984-08-08 | Univ Johns Hopkins | Detecting infusion system |
| CN103486608A (en) * | 2013-10-10 | 2014-01-01 | 张久明 | Energy saving control method and energy saving system for boiler automatic combustion |
| CN105948315A (en) * | 2016-05-27 | 2016-09-21 | 慈颂（上海）环保科技有限公司 | Online water quality monitoring and treating system for circulating water of fully-automatic cooling tower |
| 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 |
-
2020
- 2020-11-09 CN CN202011240870.8A patent/CN112279326A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8416966D0 (en) * | 1982-11-04 | 1984-08-08 | Univ Johns Hopkins | Detecting infusion system |
| CN103486608A (en) * | 2013-10-10 | 2014-01-01 | 张久明 | Energy saving control method and energy saving system for boiler automatic combustion |
| CN105948315A (en) * | 2016-05-27 | 2016-09-21 | 慈颂（上海）环保科技有限公司 | Online water quality monitoring and treating system for circulating water of fully-automatic cooling tower |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275863A (en) * | 2021-12-29 | 2022-04-05 | 贵州师范学院 | Automatic control system and method for water treatment of thermal sterilization kettle |
| CN114275863B (en) * | 2021-12-29 | 2022-11-08 | 贵州师范学院 | Automatic control system and method for water treatment of thermal sterilization kettle |
| US11760660B2 (en) | 2021-12-29 | 2023-09-19 | Guizhou Education University | Automatic control system and method for water treatment of thermal sterilization kettle |
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