CN201746413U - Automatic monitoring and controlling device of water treatment system for recirculated cooling water - Google Patents
Automatic monitoring and controlling device of water treatment system for recirculated cooling water Download PDFInfo
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- CN201746413U CN201746413U CN2010202922862U CN201020292286U CN201746413U CN 201746413 U CN201746413 U CN 201746413U CN 2010202922862 U CN2010202922862 U CN 2010202922862U CN 201020292286 U CN201020292286 U CN 201020292286U CN 201746413 U CN201746413 U CN 201746413U
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- cooling water
- corrosion inhibitor
- volume pump
- circulation line
- controller
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses an automatic monitoring and controlling device of the water treatment system for the recirculated cooling water, wherein the monitoring and controlling device comprises a recirculated pipeline connected with a plurality of cooling towers, a pH instrument connected in the recirculated pipeline in series and connected with a controller, an electric conductivity instrument and an ORP instrument, the recirculated pipeline is connected with an oxidizing bactericide adding device, a scale blocking corrosion inhibitor adding device and an acid adding device, and a unit for measuring on-line fluorescence is connected on the recirculated pipeline in parallel. The fluorescer amount is measured by marking the scale blocking corrosion inhibitor with a inertness fluorescer by the on-line fluorescence measuring unit, to obtain the amount of the marked scale blocking corrosion inhibitor, and then to control the adding amount of the scale blocking corrosion inhibitor. Therefore, the normal scale blocking corrosion inhibitor amount required is contained in the recirculated cooling water system, thereby avoiding the problem caused by the over dose and shortage of the scale blocking corrosion inhibitor in the recirculated cooling water system.
Description
Technical field
The utility model relates to a kind of water treatment controlling system, relates in particular to a kind of recirculated cooling water water treatment full-automatic control system.
Background technology
Recirculating cooling water system comprises cooling tower, heat exchanger, pump and make the respective line of current through system.In the process of recirculated cooling water operation, because the ion in environment, temperature and the water coolant of operation constantly concentrates, following problem can take place in recirculating cooling water system, such as: fouling and corrosion; Microorganism, bacterium and dirt; Can influence the normal operation of recirculating cooling water system thus, make plant produced technology operation required water amount, the energy and maintenance cost rise, and be serious, can cause the shutdown of production technique.So, in service at recirculated cooling water, need carry out water treatment, add anti-incrustation corrosion inhibitor and sterilant.
At present, it is basic identical that the quality of China's water treatment agent and function are compared with external like product, but water treatment agent add automatically and control and recirculated cooling water automatic control management level on also have gap.The method that the now domestic medicament that generally adopts adds with automatic control is mainly: use conductivitimeter Online Monitoring Control water amount of blowdown and cycles of concentration; Use the adding of ORP (redox potential) on-line monitoring and controlled oxidation sterilant; Use pH instrument on-line monitoring and control to add acid; Anti-incrustation corrosion inhibitor is by adding manually or timer control volume pump adds.
In service at recirculated cooling water, adding automatically and monitoring of anti-incrustation corrosion inhibitor is the key of the normal operation of system.If anti-incrustation corrosion inhibitor adds deficiency and can cause recirculating cooling water system generation fouling and corrosive problem; And if excessive adding can cause the medicament waste, running cost increases, and the problem of phosphoric acid dirt deposition.Anti-incrustation corrosion inhibitor should keep stable dosage in recirculated cooling water, avoid fouling and corrosion with securing system.Present dosing control mode is rule of thumb that value quantitatively adds, and adds the back medicament effective content in the lab analysis water sample of taking a sample back, and adjustment adds dose according to analytical results again.The deficiency of above-mentioned existing anti-incrustation corrosion inhibitor dosing method is: medicament adds and the adjustment mode all can not be stablized the content of control medicament in water coolant, along with the variation of producing load, the variation of envrionment temperature and other factor affecting, and cooling water system evaporation and blowdown flow rate variation, be subjected to above-mentioned factor affecting, can often surpass or be lower than the normal required drug dose of recirculating cooling water system according to the existing anti-incrustation corrosion inhibitor that quantitatively adds, thereby cause variety of issue.
For this reason, China was issue in 2007, on May 1st, 2008 proposed following equipment requirements among the formal GB50050-2007 " Code for design of industrial recirculating cooling water treatment " that carries out, and recirculating cooling water system should adopt the and the following monitoring and control: pH value on-line monitoring and add sour chain control; Interlocked control in specific conductivity on-line monitoring and the sewer; ORP (redox potential) on-line monitoring and the chain control of oxidisability biocide dosage; Scale inhibitor agent concentration on-line monitoring and the chain control of anti-incrustation corrosion inhibitor dosage.
The utility model content
At above-mentioned prior art, the utility model provides a kind of recirculated cooling water water treatment system automatic monitoring controller, can monitor and adjust the concentration of anti-incrustation corrosion inhibitor in the recirculated cooling water water treatment system dynamically, remain the anti-incrustation corrosion inhibitor that contains normal required dosage in the recirculating cooling water system, thereby can avoid surpassing or being lower than the variety of issue that the normal required dosage of recirculating cooling water system causes owing to anti-incrustation corrosion inhibitor.
In order to solve the problems of the technologies described above, the technical scheme that the utility model recirculated cooling water water treatment system automatic monitoring controller is achieved is: this monitor controller comprises the circulation line that is connected with a plurality of cooling towers, be connected in the described circulation line, and the pH instrument that all is connected with controller, conductivitimeter, ORP instrument and blowdown motorized valve, be connected with the oxidizing bactericide adding apparatus with described circulation line, anti-incrustation corrosion inhibitor adding apparatus and sour adding apparatus, described circulation line is connected with a blowdown motorized valve, is parallel with an online unit and fluorescence unit of measurement that is connected with described controller on the described circulation line.
The utility model recirculated cooling water water treatment system automatic monitoring controller wherein, is provided with first volume pump between described oxidizing bactericide adding apparatus and the circulation line; Be provided with second volume pump between described anti-incrustation corrosion inhibitor adding apparatus and the circulation line, be provided with the 3rd volume pump between described sour adding apparatus and the circulation line, described first volume pump, second volume pump and the 3rd volume pump all are connected with described controller.Described controller receives in the circulation line pH instrument, conductivitimeter, ORP instrument and measures the detected signal of online unit and fluorescence unit, and described controller controls the unlatching of described first volume pump, second volume pump, the 3rd volume pump and blowdown motorized valve at least or cuts out.Described circulation line is provided with a plurality of valves, and one of them valve is positioned on the line segments in parallel with the online unit and fluorescence unit of described measurement.
Compared with prior art, the beneficial effects of the utility model are: because the utility model monitor controller is by using a kind of inert fluorescent agent mark anti-incrustation corrosion inhibitor, and use and measure the dosage that online unit and fluorescence unit is measured fluorescent agent, thereby the dosage of the anti-incrustation corrosion inhibitor that obtains being labeled, and control the add-on of anti-incrustation corrosion inhibitor with this.Therefore, can remain the anti-incrustation corrosion inhibitor that contains normal required dosage in the recirculating cooling water system, thereby can avoid surpassing or being lower than the variety of issue that the normal required dosage of recirculating cooling water system causes owing to anti-incrustation corrosion inhibitor.
Description of drawings
Accompanying drawing is that the utility model recirculated cooling water water treatment system automatic monitoring controller constitutes synoptic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done to describe in further detail.
As shown in drawings, the utility model recirculated cooling water water treatment system automatic monitoring controller, comprise with a plurality of cooling towers (as shown in the figure, first cooling tower ..., the N cooling tower) circulation line (in the accompanying drawing with part shown in two line) that connects, the pH instrument that is connected in the described circulation line and all is connected, conductivitimeter, ORP instrument and blowdown motorized valve with controller, be connected with oxidizing bactericide adding apparatus, anti-incrustation corrosion inhibitor adding apparatus and sour adding apparatus with described circulation line, be parallel with one on the described circulation line and measure online unit and fluorescence unit.Be provided with first volume pump between described oxidizing bactericide adding apparatus and the circulation line; Be provided with second volume pump between described anti-incrustation corrosion inhibitor adding apparatus and the circulation line, be provided with the 3rd volume pump between described sour adding apparatus and the circulation line, described first volume pump, second volume pump and the 3rd volume pump all are connected with described controller.
As shown in drawings, described pH instrument, conductivitimeter, ORP instrument, measure online unit and fluorescence unit and be connected respectively with the relevant pin line with controller of blowdown motorized valve f, g, e, c, described first volume pump, second volume pump and the 3rd volume pump are to be connected by switch a, d, the b of above-mentioned each pump pin line corresponding with controller with control between the controller.That is: controller receives the information of the ORP instrument that comes from by e pin line, and control the unlatching of first switch by the pin line a that is connected with first switch of first volume pump or close, thereby reach the content of oxidizing bactericide in the Control Circulation water coolant water treatment system accurately according to this information; On described circulation line, must be provided with a plurality of valves, and one of them valve should be positioned on the line segments in parallel with the online unit and fluorescence unit of described measurement, in order to the connection of the online unit and fluorescence unit of control survey.The adding of fluorescent agent is added in the anti-incrustation corrosion inhibitor adding apparatus in the utility model, comprise luminoscope in the controller, the online unit and fluorescence unit of described measurement is connected with controller by pin line h, after controller (in luminoscope) receives and measures the detected fluorescent agent content of online unit and fluorescence unit, in view of the above, controller opens or cuts out by the switch (being second switch in the accompanying drawing) that pin line d controls second volume pump again, thus the content of scale inhibition sustained release dosage in the Control Circulation water coolant water treatment system.In like manner, described controller is how by to the switch (second switch in the accompanying drawing) of the 3rd volume pump and the control of blowdown motorized valve, thus acid content and to keep normal specific conductivity also be like this in the Control Circulation water coolant water treatment system.
As for how realizing being connected of described pH instrument, conductivitimeter, ORP instrument and blowdown motorized valve and controller; Being connected between each volume pump and the controller; Other each valves should be arranged on which corresponding position all belongs to general knowledge known in this field in the pipeline, do not repeat them here.
The utility model monitor controller is by using a kind of inert fluorescent agent mark anti-incrustation corrosion inhibitor, and use and measure the dosage that online unit and fluorescence unit is measured fluorescent agent, thereby the dosage of the anti-incrustation corrosion inhibitor that obtains being labeled, and control the add-on of anti-incrustation corrosion inhibitor with this.And use online pH instrument, conductivitimeter and ORP (redox potential) instrument, finishing the full automatic control of recirculated cooling water water treatment, the utility model monitor controller satisfies among the GB50050-2007 " Code for design of industrial recirculating cooling water treatment " monitoring and control requirement for recirculating cooling water system fully.The fluorescent agent that is adopted in the utility model is one of following:
(1) 1,5-naphthalene disulfonic acid sodium salt 1,5 Naphthalenedisulfonic Acid, sodium Slat;
(2) 1,3,6-naphthalene trisulfonic acid trisodium salt 1,3,6 Naphthalenetrisulfonic Acid, sodium Salt;
(3) naphthalene sulfonate salt Naphthalenesulfonic Acid, sodium Salt;
(4) 8-hydroxyl-1,3,6 pyrene trisulfonic acid trisodium salt 8Hydroxy 1,3,6Pyrenetrisulfonic Acid, SodiumSalt;
(5) 1-pyrene sulfonate sodium 1 pyrenesulfonic Acid, Sodium Salt;
(6) resazurin Resazurin.
The utility model monitor controller realizes that the concrete steps of Monitoring and Controlling are as follows:
At first, with certain proportion the inert fluorescent agent is joined in the anti-incrustation corrosion inhibitor, additional proportion is 0.05%～1%;
Use the anti-incrustation corrosion inhibitor that second volume pump will contain the inert fluorescent agent to join in the recirculated cooling water, and with the fluorescent agent concentration of measuring in the online unit and fluorescence unit test loop water coolant;
Meanwhile:
By measuring the switch (being second switch) that online unit and fluorescence unit control is used for adding second volume pump of anti-incrustation corrosion inhibitor dosing, if fluorescent agent concentration is lower than set(ting)value, the then second volume pump work adds anti-incrustation corrosion inhibitor and reaches set(ting)value up to fluorescent agent concentration;
By the specific conductivity of online conductivitimeter monitoring recirculated cooling water, conductivitimeter is opened the blowdown of blowdown motorized valve when the water coolant specific conductivity reaches set(ting)value;
By the pH value of online pH monitoring recirculated cooling water, when water coolant pH value was elevated to high limit set(ting)value, the 3rd volume pump that adds the acid amount in order to control began to add acid, stopped the operation of the 3rd volume pump when the pH value is reduced to the lower bound set(ting)value.
By online ORP monitoring recirculated cooling water ORP value, be that first volume pump that adds oxidizing bactericide in order to control begins to add oxidizing bactericide, till satisfying set(ting)value when water coolant ORP is lower than set(ting)value.
To sum up, the utility model monitor controller is to use the anti-incrustation corrosion inhibitor of fluorescent agent mark by adding in recirculated cooling water, and uses online luminoscope to measure and control the add-on of anti-incrustation corrosion inhibitor; And use online conductivitimeter, online pH meter and online ORP instrument (redox potential), and cooperate the blowdown motorized valve, thus realize the full automatic control of recirculated cooling water water treatment.
Although in conjunction with figure the utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the present utility model.
Claims (5)
1. recirculated cooling water water treatment system automatic monitoring controller, comprise the circulation line that is connected with a plurality of cooling towers, the pH instrument that is connected in the described circulation line and all is connected, conductivitimeter, ORP instrument and blowdown motorized valve with controller, be connected with oxidizing bactericide adding apparatus, anti-incrustation corrosion inhibitor adding apparatus and sour adding apparatus with described circulation line, described circulation line is connected with a blowdown motorized valve, it is characterized in that, be parallel with an online unit and fluorescence unit of measurement that is connected with described controller on the described circulation line.
2. according to the described recirculated cooling water water treatment system of claim 1 automatic monitoring controller, it is characterized in that, be provided with first volume pump between described oxidizing bactericide adding apparatus and the circulation line; Be provided with second volume pump between described anti-incrustation corrosion inhibitor adding apparatus and the circulation line, be provided with the 3rd volume pump between described sour adding apparatus and the circulation line, described first volume pump, second volume pump and the 3rd volume pump all are connected with described controller.
3. according to the described recirculated cooling water water treatment system of claim 2 automatic monitoring controller, it is characterized in that, described controller receives in the circulation line pH instrument, conductivitimeter, ORP instrument and measures the detected signal of online unit and fluorescence unit, and described controller controls the unlatching of described first volume pump, second volume pump, the 3rd volume pump and blowdown motorized valve at least or cuts out.
4. according to the described recirculated cooling water water treatment system of claim 1 automatic monitoring controller, it is characterized in that described circulation line is provided with a plurality of valves.
5. according to the described recirculated cooling water water treatment system of claim 4 automatic monitoring controller, it is characterized in that one of them valve is positioned on the line segments in parallel with the online unit and fluorescence unit of described measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202922862U CN201746413U (en) | 2010-08-13 | 2010-08-13 | Automatic monitoring and controlling device of water treatment system for recirculated cooling water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202922862U CN201746413U (en) | 2010-08-13 | 2010-08-13 | Automatic monitoring and controlling device of water treatment system for recirculated cooling water |
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| CN201746413U true CN201746413U (en) | 2011-02-16 |
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| CN2010202922862U Expired - Fee Related CN201746413U (en) | 2010-08-13 | 2010-08-13 | Automatic monitoring and controlling device of water treatment system for recirculated cooling water |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234591A (en) * | 2013-04-01 | 2013-08-07 | 国家电网公司 | System and method for measuring mass flow circulate water flow of power station based on luminoscope |
| CN104250042A (en) * | 2014-09-22 | 2014-12-31 | 许锦璐 | Integrated equipment and method for automatically treating circulating cooling water and recycling sewage water |
| CN105717054A (en) * | 2016-02-22 | 2016-06-29 | 石家庄给源环保科技有限公司 | Detection method and detection device for online detection of scale and corrosion inhibitor concentration in circulating cooling water and circulating cooling water treatment control system |
| CN109368711A (en) * | 2018-10-15 | 2019-02-22 | 平安科技（深圳）有限公司 | Cooling water adding method thereof, chemicals dosing plant, cooling water recirculation system and storage medium |
| CN109603179A (en) * | 2018-12-28 | 2019-04-12 | 天津鲲飞环保科技有限公司 | A kind of control method of recirculated cooling water cycles of concentration and the device of application this method |
| JP2019174052A (en) * | 2018-03-28 | 2019-10-10 | 東京瓦斯株式会社 | Chemical supply device |
-
2010
- 2010-08-13 CN CN2010202922862U patent/CN201746413U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234591A (en) * | 2013-04-01 | 2013-08-07 | 国家电网公司 | System and method for measuring mass flow circulate water flow of power station based on luminoscope |
| CN104250042A (en) * | 2014-09-22 | 2014-12-31 | 许锦璐 | Integrated equipment and method for automatically treating circulating cooling water and recycling sewage water |
| CN104250042B (en) * | 2014-09-22 | 2015-12-23 | 许锦璐 | Automatically process and the integrated equipment of sewer reuse and method for recirculated cooling water |
| CN105717054A (en) * | 2016-02-22 | 2016-06-29 | 石家庄给源环保科技有限公司 | Detection method and detection device for online detection of scale and corrosion inhibitor concentration in circulating cooling water and circulating cooling water treatment control system |
| CN105717054B (en) * | 2016-02-22 | 2019-06-07 | 石家庄给源环保科技有限公司 | The detection method of anti-incrustation corrosion inhibitor concentration, detection device and circulating water cooling treatment control system in on-line checking recirculated cooling water |
| JP2019174052A (en) * | 2018-03-28 | 2019-10-10 | 東京瓦斯株式会社 | Chemical supply device |
| JP7015716B2 (en) | 2018-03-28 | 2022-02-03 | 東京瓦斯株式会社 | Drug supply device |
| CN109368711A (en) * | 2018-10-15 | 2019-02-22 | 平安科技（深圳）有限公司 | Cooling water adding method thereof, chemicals dosing plant, cooling water recirculation system and storage medium |
| CN109603179A (en) * | 2018-12-28 | 2019-04-12 | 天津鲲飞环保科技有限公司 | A kind of control method of recirculated cooling water cycles of concentration and the device of application this method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN KUNFEI ENVIRONMENTAL PROTECTION TECHNOLOGY Free format text: FORMER OWNER: TIANJIN TIANYI QINGYUAN TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20130711 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300192 NANKAI, TIANJIN TO: 300384 NANKAI, TIANJIN |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130711 Address after: 300384 Tianjin Lanyuan Binhai high tech Zone Huayuan Industrial Area No. 1, No. 919 by 2 Patentee after: Tianjin Kun fly Environmental Technology Co. Ltd. Address before: 300192, A building, 9 floor, Jinhui research building, No. 2 West Road, Tianjin, Nankai District Patentee before: Tianjin Tianyi Qingyuan Technology Development Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20190813 |